xref: /linux/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /* Copyright 2008-2013 Broadcom Corporation
2  * Copyright (c) 2014 QLogic Corporation
3  * All rights reserved
4  *
5  * Unless you and QLogic execute a separate written software license
6  * agreement governing use of this software, this software is licensed to you
7  * under the terms of the GNU General Public License version 2, available
8  * at http://www.gnu.org/licenses/gpl-2.0.html (the "GPL").
9  *
10  * Notwithstanding the above, under no circumstances may you combine this
11  * software in any way with any other Qlogic software provided under a
12  * license other than the GPL, without Qlogic's express prior written
13  * consent.
14  *
15  * Written by Yaniv Rosner
16  *
17  */
18 
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 
21 #include <linux/kernel.h>
22 #include <linux/errno.h>
23 #include <linux/pci.h>
24 #include <linux/netdevice.h>
25 #include <linux/delay.h>
26 #include <linux/ethtool.h>
27 #include <linux/mutex.h>
28 
29 #include "bnx2x.h"
30 #include "bnx2x_cmn.h"
31 
32 typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
33 					     struct link_params *params,
34 					     u8 dev_addr, u16 addr, u8 byte_cnt,
35 					     u8 *o_buf, u8);
36 /********************************************************/
37 #define ETH_HLEN			14
38 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
39 #define ETH_OVREHEAD			(ETH_HLEN + 8 + 8)
40 #define ETH_MIN_PACKET_SIZE		60
41 #define ETH_MAX_PACKET_SIZE		1500
42 #define ETH_MAX_JUMBO_PACKET_SIZE	9600
43 #define MDIO_ACCESS_TIMEOUT		1000
44 #define WC_LANE_MAX			4
45 #define I2C_SWITCH_WIDTH		2
46 #define I2C_BSC0			0
47 #define I2C_BSC1			1
48 #define I2C_WA_RETRY_CNT		3
49 #define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
50 #define MCPR_IMC_COMMAND_READ_OP	1
51 #define MCPR_IMC_COMMAND_WRITE_OP	2
52 
53 /* LED Blink rate that will achieve ~15.9Hz */
54 #define LED_BLINK_RATE_VAL_E3		354
55 #define LED_BLINK_RATE_VAL_E1X_E2	480
56 /***********************************************************/
57 /*			Shortcut definitions		   */
58 /***********************************************************/
59 
60 #define NIG_LATCH_BC_ENABLE_MI_INT 0
61 
62 #define NIG_STATUS_EMAC0_MI_INT \
63 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
64 #define NIG_STATUS_XGXS0_LINK10G \
65 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
66 #define NIG_STATUS_XGXS0_LINK_STATUS \
67 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
68 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
69 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
70 #define NIG_STATUS_SERDES0_LINK_STATUS \
71 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
72 #define NIG_MASK_MI_INT \
73 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
74 #define NIG_MASK_XGXS0_LINK10G \
75 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
76 #define NIG_MASK_XGXS0_LINK_STATUS \
77 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
78 #define NIG_MASK_SERDES0_LINK_STATUS \
79 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
80 
81 #define MDIO_AN_CL73_OR_37_COMPLETE \
82 		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
83 		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
84 
85 #define XGXS_RESET_BITS \
86 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
87 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
88 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
89 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
90 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
91 
92 #define SERDES_RESET_BITS \
93 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
94 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
95 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
96 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
97 
98 #define AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
99 #define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
100 #define AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
101 #define AUTONEG_PARALLEL \
102 				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
103 #define AUTONEG_SGMII_FIBER_AUTODET \
104 				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
105 #define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
106 
107 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
108 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
109 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
110 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
111 #define GP_STATUS_SPEED_MASK \
112 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
113 #define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
114 #define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
115 #define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
116 #define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
117 #define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
118 #define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
119 #define GP_STATUS_10G_HIG \
120 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
121 #define GP_STATUS_10G_CX4 \
122 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
123 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
124 #define GP_STATUS_10G_KX4 \
125 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
126 #define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
127 #define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
128 #define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
129 #define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
130 #define	GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
131 #define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
132 #define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
133 #define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
134 #define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
135 #define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
136 #define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
137 #define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
138 #define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
139 #define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
140 #define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
141 #define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
142 #define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
143 #define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
144 #define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
145 #define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
146 
147 #define LINK_UPDATE_MASK \
148 			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
149 			 LINK_STATUS_LINK_UP | \
150 			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
151 			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
152 			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
153 			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
154 			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
155 			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
156 			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
157 
158 #define SFP_EEPROM_CON_TYPE_ADDR		0x2
159 	#define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN	0x0
160 	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
161 	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
162 	#define SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22
163 
164 
165 #define SFP_EEPROM_10G_COMP_CODE_ADDR		0x3
166 	#define SFP_EEPROM_10G_COMP_CODE_SR_MASK	(1<<4)
167 	#define SFP_EEPROM_10G_COMP_CODE_LR_MASK	(1<<5)
168 	#define SFP_EEPROM_10G_COMP_CODE_LRM_MASK	(1<<6)
169 
170 #define SFP_EEPROM_1G_COMP_CODE_ADDR		0x6
171 	#define SFP_EEPROM_1G_COMP_CODE_SX	(1<<0)
172 	#define SFP_EEPROM_1G_COMP_CODE_LX	(1<<1)
173 	#define SFP_EEPROM_1G_COMP_CODE_CX	(1<<2)
174 	#define SFP_EEPROM_1G_COMP_CODE_BASE_T	(1<<3)
175 
176 #define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
177 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
178 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
179 
180 #define SFP_EEPROM_OPTIONS_ADDR			0x40
181 	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
182 #define SFP_EEPROM_OPTIONS_SIZE			2
183 
184 #define EDC_MODE_LINEAR				0x0022
185 #define EDC_MODE_LIMITING				0x0044
186 #define EDC_MODE_PASSIVE_DAC			0x0055
187 #define EDC_MODE_ACTIVE_DAC			0x0066
188 
189 /* ETS defines*/
190 #define DCBX_INVALID_COS					(0xFF)
191 
192 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
193 #define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
194 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
195 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
196 #define ETS_E3B0_PBF_MIN_W_VAL				(10000)
197 
198 #define MAX_PACKET_SIZE					(9700)
199 #define MAX_KR_LINK_RETRY				4
200 #define DEFAULT_TX_DRV_BRDCT		2
201 #define DEFAULT_TX_DRV_IFIR		0
202 #define DEFAULT_TX_DRV_POST2		3
203 #define DEFAULT_TX_DRV_IPRE_DRIVER	6
204 
205 /**********************************************************/
206 /*                     INTERFACE                          */
207 /**********************************************************/
208 
209 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
210 	bnx2x_cl45_write(_bp, _phy, \
211 		(_phy)->def_md_devad, \
212 		(_bank + (_addr & 0xf)), \
213 		_val)
214 
215 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
216 	bnx2x_cl45_read(_bp, _phy, \
217 		(_phy)->def_md_devad, \
218 		(_bank + (_addr & 0xf)), \
219 		_val)
220 
221 static int bnx2x_check_half_open_conn(struct link_params *params,
222 				      struct link_vars *vars, u8 notify);
223 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
224 				      struct link_params *params);
225 
226 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
227 {
228 	u32 val = REG_RD(bp, reg);
229 
230 	val |= bits;
231 	REG_WR(bp, reg, val);
232 	return val;
233 }
234 
235 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
236 {
237 	u32 val = REG_RD(bp, reg);
238 
239 	val &= ~bits;
240 	REG_WR(bp, reg, val);
241 	return val;
242 }
243 
244 /*
245  * bnx2x_check_lfa - This function checks if link reinitialization is required,
246  *                   or link flap can be avoided.
247  *
248  * @params:	link parameters
249  * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
250  *         condition code.
251  */
252 static int bnx2x_check_lfa(struct link_params *params)
253 {
254 	u32 link_status, cfg_idx, lfa_mask, cfg_size;
255 	u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
256 	u32 saved_val, req_val, eee_status;
257 	struct bnx2x *bp = params->bp;
258 
259 	additional_config =
260 		REG_RD(bp, params->lfa_base +
261 			   offsetof(struct shmem_lfa, additional_config));
262 
263 	/* NOTE: must be first condition checked -
264 	* to verify DCC bit is cleared in any case!
265 	*/
266 	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
267 		DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
268 		REG_WR(bp, params->lfa_base +
269 			   offsetof(struct shmem_lfa, additional_config),
270 		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
271 		return LFA_DCC_LFA_DISABLED;
272 	}
273 
274 	/* Verify that link is up */
275 	link_status = REG_RD(bp, params->shmem_base +
276 			     offsetof(struct shmem_region,
277 				      port_mb[params->port].link_status));
278 	if (!(link_status & LINK_STATUS_LINK_UP))
279 		return LFA_LINK_DOWN;
280 
281 	/* if loaded after BOOT from SAN, don't flap the link in any case and
282 	 * rely on link set by preboot driver
283 	 */
284 	if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
285 		return 0;
286 
287 	/* Verify that loopback mode is not set */
288 	if (params->loopback_mode)
289 		return LFA_LOOPBACK_ENABLED;
290 
291 	/* Verify that MFW supports LFA */
292 	if (!params->lfa_base)
293 		return LFA_MFW_IS_TOO_OLD;
294 
295 	if (params->num_phys == 3) {
296 		cfg_size = 2;
297 		lfa_mask = 0xffffffff;
298 	} else {
299 		cfg_size = 1;
300 		lfa_mask = 0xffff;
301 	}
302 
303 	/* Compare Duplex */
304 	saved_val = REG_RD(bp, params->lfa_base +
305 			   offsetof(struct shmem_lfa, req_duplex));
306 	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
307 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
308 		DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
309 			       (saved_val & lfa_mask), (req_val & lfa_mask));
310 		return LFA_DUPLEX_MISMATCH;
311 	}
312 	/* Compare Flow Control */
313 	saved_val = REG_RD(bp, params->lfa_base +
314 			   offsetof(struct shmem_lfa, req_flow_ctrl));
315 	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
316 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
317 		DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
318 			       (saved_val & lfa_mask), (req_val & lfa_mask));
319 		return LFA_FLOW_CTRL_MISMATCH;
320 	}
321 	/* Compare Link Speed */
322 	saved_val = REG_RD(bp, params->lfa_base +
323 			   offsetof(struct shmem_lfa, req_line_speed));
324 	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
325 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
326 		DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
327 			       (saved_val & lfa_mask), (req_val & lfa_mask));
328 		return LFA_LINK_SPEED_MISMATCH;
329 	}
330 
331 	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
332 		cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
333 					    offsetof(struct shmem_lfa,
334 						     speed_cap_mask[cfg_idx]));
335 
336 		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
337 			DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
338 				       cur_speed_cap_mask,
339 				       params->speed_cap_mask[cfg_idx]);
340 			return LFA_SPEED_CAP_MISMATCH;
341 		}
342 	}
343 
344 	cur_req_fc_auto_adv =
345 		REG_RD(bp, params->lfa_base +
346 		       offsetof(struct shmem_lfa, additional_config)) &
347 		REQ_FC_AUTO_ADV_MASK;
348 
349 	if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
350 		DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
351 			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
352 		return LFA_FLOW_CTRL_MISMATCH;
353 	}
354 
355 	eee_status = REG_RD(bp, params->shmem2_base +
356 			    offsetof(struct shmem2_region,
357 				     eee_status[params->port]));
358 
359 	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
360 	     (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
361 	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
362 	     (params->eee_mode & EEE_MODE_ADV_LPI))) {
363 		DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
364 			       eee_status);
365 		return LFA_EEE_MISMATCH;
366 	}
367 
368 	/* LFA conditions are met */
369 	return 0;
370 }
371 /******************************************************************/
372 /*			EPIO/GPIO section			  */
373 /******************************************************************/
374 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
375 {
376 	u32 epio_mask, gp_oenable;
377 	*en = 0;
378 	/* Sanity check */
379 	if (epio_pin > 31) {
380 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
381 		return;
382 	}
383 
384 	epio_mask = 1 << epio_pin;
385 	/* Set this EPIO to output */
386 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
387 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
388 
389 	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
390 }
391 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
392 {
393 	u32 epio_mask, gp_output, gp_oenable;
394 
395 	/* Sanity check */
396 	if (epio_pin > 31) {
397 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
398 		return;
399 	}
400 	DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
401 	epio_mask = 1 << epio_pin;
402 	/* Set this EPIO to output */
403 	gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
404 	if (en)
405 		gp_output |= epio_mask;
406 	else
407 		gp_output &= ~epio_mask;
408 
409 	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
410 
411 	/* Set the value for this EPIO */
412 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
413 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
414 }
415 
416 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
417 {
418 	if (pin_cfg == PIN_CFG_NA)
419 		return;
420 	if (pin_cfg >= PIN_CFG_EPIO0) {
421 		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
422 	} else {
423 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
424 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
425 		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
426 	}
427 }
428 
429 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
430 {
431 	if (pin_cfg == PIN_CFG_NA)
432 		return -EINVAL;
433 	if (pin_cfg >= PIN_CFG_EPIO0) {
434 		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
435 	} else {
436 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
437 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
438 		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
439 	}
440 	return 0;
441 
442 }
443 /******************************************************************/
444 /*				ETS section			  */
445 /******************************************************************/
446 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
447 {
448 	/* ETS disabled configuration*/
449 	struct bnx2x *bp = params->bp;
450 
451 	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
452 
453 	/* mapping between entry  priority to client number (0,1,2 -debug and
454 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
455 	 * 3bits client num.
456 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
457 	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
458 	 */
459 
460 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
461 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
462 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
463 	 * COS0 entry, 4 - COS1 entry.
464 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
465 	 * bit4   bit3	  bit2   bit1	  bit0
466 	 * MCP and debug are strict
467 	 */
468 
469 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
470 	/* defines which entries (clients) are subjected to WFQ arbitration */
471 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
472 	/* For strict priority entries defines the number of consecutive
473 	 * slots for the highest priority.
474 	 */
475 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
476 	/* mapping between the CREDIT_WEIGHT registers and actual client
477 	 * numbers
478 	 */
479 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
480 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
481 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
482 
483 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
484 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
485 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
486 	/* ETS mode disable */
487 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
488 	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
489 	 * weight for COS0/COS1.
490 	 */
491 	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
492 	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
493 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
494 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
495 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
496 	/* Defines the number of consecutive slots for the strict priority */
497 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
498 }
499 /******************************************************************************
500 * Description:
501 *	Getting min_w_val will be set according to line speed .
502 *.
503 ******************************************************************************/
504 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
505 {
506 	u32 min_w_val = 0;
507 	/* Calculate min_w_val.*/
508 	if (vars->link_up) {
509 		if (vars->line_speed == SPEED_20000)
510 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
511 		else
512 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
513 	} else
514 		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
515 	/* If the link isn't up (static configuration for example ) The
516 	 * link will be according to 20GBPS.
517 	 */
518 	return min_w_val;
519 }
520 /******************************************************************************
521 * Description:
522 *	Getting credit upper bound form min_w_val.
523 *.
524 ******************************************************************************/
525 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
526 {
527 	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
528 						MAX_PACKET_SIZE);
529 	return credit_upper_bound;
530 }
531 /******************************************************************************
532 * Description:
533 *	Set credit upper bound for NIG.
534 *.
535 ******************************************************************************/
536 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
537 	const struct link_params *params,
538 	const u32 min_w_val)
539 {
540 	struct bnx2x *bp = params->bp;
541 	const u8 port = params->port;
542 	const u32 credit_upper_bound =
543 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
544 
545 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
546 		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
547 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
548 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
549 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
550 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
551 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
552 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
553 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
554 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
555 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
556 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
557 
558 	if (!port) {
559 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
560 			credit_upper_bound);
561 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
562 			credit_upper_bound);
563 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
564 			credit_upper_bound);
565 	}
566 }
567 /******************************************************************************
568 * Description:
569 *	Will return the NIG ETS registers to init values.Except
570 *	credit_upper_bound.
571 *	That isn't used in this configuration (No WFQ is enabled) and will be
572 *	configured according to spec
573 *.
574 ******************************************************************************/
575 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
576 					const struct link_vars *vars)
577 {
578 	struct bnx2x *bp = params->bp;
579 	const u8 port = params->port;
580 	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
581 	/* Mapping between entry  priority to client number (0,1,2 -debug and
582 	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
583 	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
584 	 * reset value or init tool
585 	 */
586 	if (port) {
587 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
588 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
589 	} else {
590 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
591 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
592 	}
593 	/* For strict priority entries defines the number of consecutive
594 	 * slots for the highest priority.
595 	 */
596 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
597 		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
598 	/* Mapping between the CREDIT_WEIGHT registers and actual client
599 	 * numbers
600 	 */
601 	if (port) {
602 		/*Port 1 has 6 COS*/
603 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
604 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
605 	} else {
606 		/*Port 0 has 9 COS*/
607 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
608 		       0x43210876);
609 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
610 	}
611 
612 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
613 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
614 	 * COS0 entry, 4 - COS1 entry.
615 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
616 	 * bit4   bit3	  bit2   bit1	  bit0
617 	 * MCP and debug are strict
618 	 */
619 	if (port)
620 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
621 	else
622 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
623 	/* defines which entries (clients) are subjected to WFQ arbitration */
624 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
625 		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
626 
627 	/* Please notice the register address are note continuous and a
628 	 * for here is note appropriate.In 2 port mode port0 only COS0-5
629 	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
630 	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
631 	 * are never used for WFQ
632 	 */
633 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
634 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
635 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
636 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
637 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
638 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
639 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
640 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
641 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
642 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
643 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
644 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
645 	if (!port) {
646 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
647 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
648 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
649 	}
650 
651 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
652 }
653 /******************************************************************************
654 * Description:
655 *	Set credit upper bound for PBF.
656 *.
657 ******************************************************************************/
658 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
659 	const struct link_params *params,
660 	const u32 min_w_val)
661 {
662 	struct bnx2x *bp = params->bp;
663 	const u32 credit_upper_bound =
664 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
665 	const u8 port = params->port;
666 	u32 base_upper_bound = 0;
667 	u8 max_cos = 0;
668 	u8 i = 0;
669 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
670 	 * port mode port1 has COS0-2 that can be used for WFQ.
671 	 */
672 	if (!port) {
673 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
674 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
675 	} else {
676 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
677 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
678 	}
679 
680 	for (i = 0; i < max_cos; i++)
681 		REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
682 }
683 
684 /******************************************************************************
685 * Description:
686 *	Will return the PBF ETS registers to init values.Except
687 *	credit_upper_bound.
688 *	That isn't used in this configuration (No WFQ is enabled) and will be
689 *	configured according to spec
690 *.
691 ******************************************************************************/
692 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
693 {
694 	struct bnx2x *bp = params->bp;
695 	const u8 port = params->port;
696 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
697 	u8 i = 0;
698 	u32 base_weight = 0;
699 	u8 max_cos = 0;
700 
701 	/* Mapping between entry  priority to client number 0 - COS0
702 	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
703 	 * TODO_ETS - Should be done by reset value or init tool
704 	 */
705 	if (port)
706 		/*  0x688 (|011|0 10|00 1|000) */
707 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
708 	else
709 		/*  (10 1|100 |011|0 10|00 1|000) */
710 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
711 
712 	/* TODO_ETS - Should be done by reset value or init tool */
713 	if (port)
714 		/* 0x688 (|011|0 10|00 1|000)*/
715 		REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
716 	else
717 	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
718 	REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
719 
720 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
721 		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
722 
723 
724 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
725 		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
726 
727 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
728 		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
729 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
730 	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
731 	 */
732 	if (!port) {
733 		base_weight = PBF_REG_COS0_WEIGHT_P0;
734 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
735 	} else {
736 		base_weight = PBF_REG_COS0_WEIGHT_P1;
737 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
738 	}
739 
740 	for (i = 0; i < max_cos; i++)
741 		REG_WR(bp, base_weight + (0x4 * i), 0);
742 
743 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
744 }
745 /******************************************************************************
746 * Description:
747 *	E3B0 disable will return basically the values to init values.
748 *.
749 ******************************************************************************/
750 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
751 				   const struct link_vars *vars)
752 {
753 	struct bnx2x *bp = params->bp;
754 
755 	if (!CHIP_IS_E3B0(bp)) {
756 		DP(NETIF_MSG_LINK,
757 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
758 		return -EINVAL;
759 	}
760 
761 	bnx2x_ets_e3b0_nig_disabled(params, vars);
762 
763 	bnx2x_ets_e3b0_pbf_disabled(params);
764 
765 	return 0;
766 }
767 
768 /******************************************************************************
769 * Description:
770 *	Disable will return basically the values to init values.
771 *
772 ******************************************************************************/
773 int bnx2x_ets_disabled(struct link_params *params,
774 		      struct link_vars *vars)
775 {
776 	struct bnx2x *bp = params->bp;
777 	int bnx2x_status = 0;
778 
779 	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
780 		bnx2x_ets_e2e3a0_disabled(params);
781 	else if (CHIP_IS_E3B0(bp))
782 		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
783 	else {
784 		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
785 		return -EINVAL;
786 	}
787 
788 	return bnx2x_status;
789 }
790 
791 /******************************************************************************
792 * Description
793 *	Set the COS mappimg to SP and BW until this point all the COS are not
794 *	set as SP or BW.
795 ******************************************************************************/
796 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
797 				  const struct bnx2x_ets_params *ets_params,
798 				  const u8 cos_sp_bitmap,
799 				  const u8 cos_bw_bitmap)
800 {
801 	struct bnx2x *bp = params->bp;
802 	const u8 port = params->port;
803 	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
804 	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
805 	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
806 	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
807 
808 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
809 	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
810 
811 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
812 	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
813 
814 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
815 	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
816 	       nig_cli_subject2wfq_bitmap);
817 
818 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
819 	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
820 	       pbf_cli_subject2wfq_bitmap);
821 
822 	return 0;
823 }
824 
825 /******************************************************************************
826 * Description:
827 *	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
828 *	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
829 ******************************************************************************/
830 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
831 				     const u8 cos_entry,
832 				     const u32 min_w_val_nig,
833 				     const u32 min_w_val_pbf,
834 				     const u16 total_bw,
835 				     const u8 bw,
836 				     const u8 port)
837 {
838 	u32 nig_reg_adress_crd_weight = 0;
839 	u32 pbf_reg_adress_crd_weight = 0;
840 	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
841 	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
842 	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
843 
844 	switch (cos_entry) {
845 	case 0:
846 	    nig_reg_adress_crd_weight =
847 		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
848 		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
849 	     pbf_reg_adress_crd_weight = (port) ?
850 		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
851 	     break;
852 	case 1:
853 	     nig_reg_adress_crd_weight = (port) ?
854 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
855 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
856 	     pbf_reg_adress_crd_weight = (port) ?
857 		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
858 	     break;
859 	case 2:
860 	     nig_reg_adress_crd_weight = (port) ?
861 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
862 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
863 
864 		 pbf_reg_adress_crd_weight = (port) ?
865 		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
866 	     break;
867 	case 3:
868 	    if (port)
869 			return -EINVAL;
870 	     nig_reg_adress_crd_weight =
871 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
872 	     pbf_reg_adress_crd_weight =
873 		 PBF_REG_COS3_WEIGHT_P0;
874 	     break;
875 	case 4:
876 	    if (port)
877 		return -EINVAL;
878 	     nig_reg_adress_crd_weight =
879 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
880 	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
881 	     break;
882 	case 5:
883 	    if (port)
884 		return -EINVAL;
885 	     nig_reg_adress_crd_weight =
886 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
887 	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
888 	     break;
889 	}
890 
891 	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
892 
893 	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
894 
895 	return 0;
896 }
897 /******************************************************************************
898 * Description:
899 *	Calculate the total BW.A value of 0 isn't legal.
900 *
901 ******************************************************************************/
902 static int bnx2x_ets_e3b0_get_total_bw(
903 	const struct link_params *params,
904 	struct bnx2x_ets_params *ets_params,
905 	u16 *total_bw)
906 {
907 	struct bnx2x *bp = params->bp;
908 	u8 cos_idx = 0;
909 	u8 is_bw_cos_exist = 0;
910 
911 	*total_bw = 0 ;
912 	/* Calculate total BW requested */
913 	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
914 		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
915 			is_bw_cos_exist = 1;
916 			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
917 				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
918 						   "was set to 0\n");
919 				/* This is to prevent a state when ramrods
920 				 * can't be sent
921 				 */
922 				ets_params->cos[cos_idx].params.bw_params.bw
923 					 = 1;
924 			}
925 			*total_bw +=
926 				ets_params->cos[cos_idx].params.bw_params.bw;
927 		}
928 	}
929 
930 	/* Check total BW is valid */
931 	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
932 		if (*total_bw == 0) {
933 			DP(NETIF_MSG_LINK,
934 			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
935 			return -EINVAL;
936 		}
937 		DP(NETIF_MSG_LINK,
938 		   "bnx2x_ets_E3B0_config total BW should be 100\n");
939 		/* We can handle a case whre the BW isn't 100 this can happen
940 		 * if the TC are joined.
941 		 */
942 	}
943 	return 0;
944 }
945 
946 /******************************************************************************
947 * Description:
948 *	Invalidate all the sp_pri_to_cos.
949 *
950 ******************************************************************************/
951 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
952 {
953 	u8 pri = 0;
954 	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
955 		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
956 }
957 /******************************************************************************
958 * Description:
959 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
960 *	according to sp_pri_to_cos.
961 *
962 ******************************************************************************/
963 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
964 					    u8 *sp_pri_to_cos, const u8 pri,
965 					    const u8 cos_entry)
966 {
967 	struct bnx2x *bp = params->bp;
968 	const u8 port = params->port;
969 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
970 		DCBX_E3B0_MAX_NUM_COS_PORT0;
971 
972 	if (pri >= max_num_of_cos) {
973 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
974 		   "parameter Illegal strict priority\n");
975 	    return -EINVAL;
976 	}
977 
978 	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
979 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
980 				   "parameter There can't be two COS's with "
981 				   "the same strict pri\n");
982 		return -EINVAL;
983 	}
984 
985 	sp_pri_to_cos[pri] = cos_entry;
986 	return 0;
987 
988 }
989 
990 /******************************************************************************
991 * Description:
992 *	Returns the correct value according to COS and priority in
993 *	the sp_pri_cli register.
994 *
995 ******************************************************************************/
996 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
997 					 const u8 pri_set,
998 					 const u8 pri_offset,
999 					 const u8 entry_size)
1000 {
1001 	u64 pri_cli_nig = 0;
1002 	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
1003 						    (pri_set + pri_offset));
1004 
1005 	return pri_cli_nig;
1006 }
1007 /******************************************************************************
1008 * Description:
1009 *	Returns the correct value according to COS and priority in the
1010 *	sp_pri_cli register for NIG.
1011 *
1012 ******************************************************************************/
1013 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1014 {
1015 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1016 	const u8 nig_cos_offset = 3;
1017 	const u8 nig_pri_offset = 3;
1018 
1019 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1020 		nig_pri_offset, 4);
1021 
1022 }
1023 /******************************************************************************
1024 * Description:
1025 *	Returns the correct value according to COS and priority in the
1026 *	sp_pri_cli register for PBF.
1027 *
1028 ******************************************************************************/
1029 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1030 {
1031 	const u8 pbf_cos_offset = 0;
1032 	const u8 pbf_pri_offset = 0;
1033 
1034 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1035 		pbf_pri_offset, 3);
1036 
1037 }
1038 
1039 /******************************************************************************
1040 * Description:
1041 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1042 *	according to sp_pri_to_cos.(which COS has higher priority)
1043 *
1044 ******************************************************************************/
1045 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1046 					     u8 *sp_pri_to_cos)
1047 {
1048 	struct bnx2x *bp = params->bp;
1049 	u8 i = 0;
1050 	const u8 port = params->port;
1051 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1052 	u64 pri_cli_nig = 0x210;
1053 	u32 pri_cli_pbf = 0x0;
1054 	u8 pri_set = 0;
1055 	u8 pri_bitmask = 0;
1056 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1057 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1058 
1059 	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1060 
1061 	/* Set all the strict priority first */
1062 	for (i = 0; i < max_num_of_cos; i++) {
1063 		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1064 			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1065 				DP(NETIF_MSG_LINK,
1066 					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1067 					   "invalid cos entry\n");
1068 				return -EINVAL;
1069 			}
1070 
1071 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1072 			    sp_pri_to_cos[i], pri_set);
1073 
1074 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1075 			    sp_pri_to_cos[i], pri_set);
1076 			pri_bitmask = 1 << sp_pri_to_cos[i];
1077 			/* COS is used remove it from bitmap.*/
1078 			if (!(pri_bitmask & cos_bit_to_set)) {
1079 				DP(NETIF_MSG_LINK,
1080 					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1081 					"invalid There can't be two COS's with"
1082 					" the same strict pri\n");
1083 				return -EINVAL;
1084 			}
1085 			cos_bit_to_set &= ~pri_bitmask;
1086 			pri_set++;
1087 		}
1088 	}
1089 
1090 	/* Set all the Non strict priority i= COS*/
1091 	for (i = 0; i < max_num_of_cos; i++) {
1092 		pri_bitmask = 1 << i;
1093 		/* Check if COS was already used for SP */
1094 		if (pri_bitmask & cos_bit_to_set) {
1095 			/* COS wasn't used for SP */
1096 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1097 			    i, pri_set);
1098 
1099 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1100 			    i, pri_set);
1101 			/* COS is used remove it from bitmap.*/
1102 			cos_bit_to_set &= ~pri_bitmask;
1103 			pri_set++;
1104 		}
1105 	}
1106 
1107 	if (pri_set != max_num_of_cos) {
1108 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1109 				   "entries were set\n");
1110 		return -EINVAL;
1111 	}
1112 
1113 	if (port) {
1114 		/* Only 6 usable clients*/
1115 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1116 		       (u32)pri_cli_nig);
1117 
1118 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1119 	} else {
1120 		/* Only 9 usable clients*/
1121 		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1122 		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1123 
1124 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1125 		       pri_cli_nig_lsb);
1126 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1127 		       pri_cli_nig_msb);
1128 
1129 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1130 	}
1131 	return 0;
1132 }
1133 
1134 /******************************************************************************
1135 * Description:
1136 *	Configure the COS to ETS according to BW and SP settings.
1137 ******************************************************************************/
1138 int bnx2x_ets_e3b0_config(const struct link_params *params,
1139 			 const struct link_vars *vars,
1140 			 struct bnx2x_ets_params *ets_params)
1141 {
1142 	struct bnx2x *bp = params->bp;
1143 	int bnx2x_status = 0;
1144 	const u8 port = params->port;
1145 	u16 total_bw = 0;
1146 	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1147 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1148 	u8 cos_bw_bitmap = 0;
1149 	u8 cos_sp_bitmap = 0;
1150 	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1151 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1152 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1153 	u8 cos_entry = 0;
1154 
1155 	if (!CHIP_IS_E3B0(bp)) {
1156 		DP(NETIF_MSG_LINK,
1157 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1158 		return -EINVAL;
1159 	}
1160 
1161 	if ((ets_params->num_of_cos > max_num_of_cos)) {
1162 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1163 				   "isn't supported\n");
1164 		return -EINVAL;
1165 	}
1166 
1167 	/* Prepare sp strict priority parameters*/
1168 	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1169 
1170 	/* Prepare BW parameters*/
1171 	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1172 						   &total_bw);
1173 	if (bnx2x_status) {
1174 		DP(NETIF_MSG_LINK,
1175 		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
1176 		return -EINVAL;
1177 	}
1178 
1179 	/* Upper bound is set according to current link speed (min_w_val
1180 	 * should be the same for upper bound and COS credit val).
1181 	 */
1182 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1183 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1184 
1185 
1186 	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1187 		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1188 			cos_bw_bitmap |= (1 << cos_entry);
1189 			/* The function also sets the BW in HW(not the mappin
1190 			 * yet)
1191 			 */
1192 			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1193 				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1194 				total_bw,
1195 				ets_params->cos[cos_entry].params.bw_params.bw,
1196 				 port);
1197 		} else if (bnx2x_cos_state_strict ==
1198 			ets_params->cos[cos_entry].state){
1199 			cos_sp_bitmap |= (1 << cos_entry);
1200 
1201 			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1202 				params,
1203 				sp_pri_to_cos,
1204 				ets_params->cos[cos_entry].params.sp_params.pri,
1205 				cos_entry);
1206 
1207 		} else {
1208 			DP(NETIF_MSG_LINK,
1209 			   "bnx2x_ets_e3b0_config cos state not valid\n");
1210 			return -EINVAL;
1211 		}
1212 		if (bnx2x_status) {
1213 			DP(NETIF_MSG_LINK,
1214 			   "bnx2x_ets_e3b0_config set cos bw failed\n");
1215 			return bnx2x_status;
1216 		}
1217 	}
1218 
1219 	/* Set SP register (which COS has higher priority) */
1220 	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1221 							 sp_pri_to_cos);
1222 
1223 	if (bnx2x_status) {
1224 		DP(NETIF_MSG_LINK,
1225 		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1226 		return bnx2x_status;
1227 	}
1228 
1229 	/* Set client mapping of BW and strict */
1230 	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1231 					      cos_sp_bitmap,
1232 					      cos_bw_bitmap);
1233 
1234 	if (bnx2x_status) {
1235 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1236 		return bnx2x_status;
1237 	}
1238 	return 0;
1239 }
1240 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1241 {
1242 	/* ETS disabled configuration */
1243 	struct bnx2x *bp = params->bp;
1244 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1245 	/* Defines which entries (clients) are subjected to WFQ arbitration
1246 	 * COS0 0x8
1247 	 * COS1 0x10
1248 	 */
1249 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1250 	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1251 	 * client numbers (WEIGHT_0 does not actually have to represent
1252 	 * client 0)
1253 	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1254 	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1255 	 */
1256 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1257 
1258 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1259 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1260 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1261 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1262 
1263 	/* ETS mode enabled*/
1264 	REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1265 
1266 	/* Defines the number of consecutive slots for the strict priority */
1267 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1268 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1269 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1270 	 * entry, 4 - COS1 entry.
1271 	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1272 	 * bit4   bit3	  bit2     bit1	   bit0
1273 	 * MCP and debug are strict
1274 	 */
1275 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1276 
1277 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1278 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1279 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1280 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1281 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1282 }
1283 
1284 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1285 			const u32 cos1_bw)
1286 {
1287 	/* ETS disabled configuration*/
1288 	struct bnx2x *bp = params->bp;
1289 	const u32 total_bw = cos0_bw + cos1_bw;
1290 	u32 cos0_credit_weight = 0;
1291 	u32 cos1_credit_weight = 0;
1292 
1293 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1294 
1295 	if ((!total_bw) ||
1296 	    (!cos0_bw) ||
1297 	    (!cos1_bw)) {
1298 		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1299 		return;
1300 	}
1301 
1302 	cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1303 		total_bw;
1304 	cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1305 		total_bw;
1306 
1307 	bnx2x_ets_bw_limit_common(params);
1308 
1309 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1310 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1311 
1312 	REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1313 	REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1314 }
1315 
1316 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1317 {
1318 	/* ETS disabled configuration*/
1319 	struct bnx2x *bp = params->bp;
1320 	u32 val	= 0;
1321 
1322 	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1323 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1324 	 * as strict.  Bits 0,1,2 - debug and management entries,
1325 	 * 3 - COS0 entry, 4 - COS1 entry.
1326 	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1327 	 *  bit4   bit3	  bit2      bit1     bit0
1328 	 * MCP and debug are strict
1329 	 */
1330 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1331 	/* For strict priority entries defines the number of consecutive slots
1332 	 * for the highest priority.
1333 	 */
1334 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1335 	/* ETS mode disable */
1336 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1337 	/* Defines the number of consecutive slots for the strict priority */
1338 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1339 
1340 	/* Defines the number of consecutive slots for the strict priority */
1341 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1342 
1343 	/* Mapping between entry  priority to client number (0,1,2 -debug and
1344 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1345 	 * 3bits client num.
1346 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1347 	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1348 	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1349 	 */
1350 	val = (!strict_cos) ? 0x2318 : 0x22E0;
1351 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1352 
1353 	return 0;
1354 }
1355 
1356 /******************************************************************/
1357 /*			PFC section				  */
1358 /******************************************************************/
1359 static void bnx2x_update_pfc_xmac(struct link_params *params,
1360 				  struct link_vars *vars,
1361 				  u8 is_lb)
1362 {
1363 	struct bnx2x *bp = params->bp;
1364 	u32 xmac_base;
1365 	u32 pause_val, pfc0_val, pfc1_val;
1366 
1367 	/* XMAC base adrr */
1368 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1369 
1370 	/* Initialize pause and pfc registers */
1371 	pause_val = 0x18000;
1372 	pfc0_val = 0xFFFF8000;
1373 	pfc1_val = 0x2;
1374 
1375 	/* No PFC support */
1376 	if (!(params->feature_config_flags &
1377 	      FEATURE_CONFIG_PFC_ENABLED)) {
1378 
1379 		/* RX flow control - Process pause frame in receive direction
1380 		 */
1381 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1382 			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1383 
1384 		/* TX flow control - Send pause packet when buffer is full */
1385 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1386 			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1387 	} else {/* PFC support */
1388 		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1389 			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1390 			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1391 			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1392 			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1393 		/* Write pause and PFC registers */
1394 		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1395 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1396 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1397 		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1398 
1399 	}
1400 
1401 	/* Write pause and PFC registers */
1402 	REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1403 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1404 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1405 
1406 
1407 	/* Set MAC address for source TX Pause/PFC frames */
1408 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1409 	       ((params->mac_addr[2] << 24) |
1410 		(params->mac_addr[3] << 16) |
1411 		(params->mac_addr[4] << 8) |
1412 		(params->mac_addr[5])));
1413 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1414 	       ((params->mac_addr[0] << 8) |
1415 		(params->mac_addr[1])));
1416 
1417 	udelay(30);
1418 }
1419 
1420 /******************************************************************/
1421 /*			MAC/PBF section				  */
1422 /******************************************************************/
1423 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1424 			       u32 emac_base)
1425 {
1426 	u32 new_mode, cur_mode;
1427 	u32 clc_cnt;
1428 	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1429 	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1430 	 */
1431 	cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1432 
1433 	if (USES_WARPCORE(bp))
1434 		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1435 	else
1436 		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1437 
1438 	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1439 	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1440 		return;
1441 
1442 	new_mode = cur_mode &
1443 		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1444 	new_mode |= clc_cnt;
1445 	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1446 
1447 	DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1448 	   cur_mode, new_mode);
1449 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1450 	udelay(40);
1451 }
1452 
1453 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1454 					struct link_params *params)
1455 {
1456 	u8 phy_index;
1457 	/* Set mdio clock per phy */
1458 	for (phy_index = INT_PHY; phy_index < params->num_phys;
1459 	      phy_index++)
1460 		bnx2x_set_mdio_clk(bp, params->chip_id,
1461 				   params->phy[phy_index].mdio_ctrl);
1462 }
1463 
1464 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1465 {
1466 	u32 port4mode_ovwr_val;
1467 	/* Check 4-port override enabled */
1468 	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1469 	if (port4mode_ovwr_val & (1<<0)) {
1470 		/* Return 4-port mode override value */
1471 		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1472 	}
1473 	/* Return 4-port mode from input pin */
1474 	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1475 }
1476 
1477 static void bnx2x_emac_init(struct link_params *params,
1478 			    struct link_vars *vars)
1479 {
1480 	/* reset and unreset the emac core */
1481 	struct bnx2x *bp = params->bp;
1482 	u8 port = params->port;
1483 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1484 	u32 val;
1485 	u16 timeout;
1486 
1487 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1488 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1489 	udelay(5);
1490 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1491 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1492 
1493 	/* init emac - use read-modify-write */
1494 	/* self clear reset */
1495 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1496 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1497 
1498 	timeout = 200;
1499 	do {
1500 		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1501 		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1502 		if (!timeout) {
1503 			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1504 			return;
1505 		}
1506 		timeout--;
1507 	} while (val & EMAC_MODE_RESET);
1508 
1509 	bnx2x_set_mdio_emac_per_phy(bp, params);
1510 	/* Set mac address */
1511 	val = ((params->mac_addr[0] << 8) |
1512 		params->mac_addr[1]);
1513 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1514 
1515 	val = ((params->mac_addr[2] << 24) |
1516 	       (params->mac_addr[3] << 16) |
1517 	       (params->mac_addr[4] << 8) |
1518 		params->mac_addr[5]);
1519 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1520 }
1521 
1522 static void bnx2x_set_xumac_nig(struct link_params *params,
1523 				u16 tx_pause_en,
1524 				u8 enable)
1525 {
1526 	struct bnx2x *bp = params->bp;
1527 
1528 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1529 	       enable);
1530 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1531 	       enable);
1532 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1533 	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1534 }
1535 
1536 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1537 {
1538 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1539 	u32 val;
1540 	struct bnx2x *bp = params->bp;
1541 	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1542 		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1543 		return;
1544 	val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1545 	if (en)
1546 		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1547 			UMAC_COMMAND_CONFIG_REG_RX_ENA);
1548 	else
1549 		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1550 			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1551 	/* Disable RX and TX */
1552 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1553 }
1554 
1555 static void bnx2x_umac_enable(struct link_params *params,
1556 			    struct link_vars *vars, u8 lb)
1557 {
1558 	u32 val;
1559 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1560 	struct bnx2x *bp = params->bp;
1561 	/* Reset UMAC */
1562 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1563 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1564 	usleep_range(1000, 2000);
1565 
1566 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1567 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1568 
1569 	DP(NETIF_MSG_LINK, "enabling UMAC\n");
1570 
1571 	/* This register opens the gate for the UMAC despite its name */
1572 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1573 
1574 	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1575 		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1576 		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1577 		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1578 	switch (vars->line_speed) {
1579 	case SPEED_10:
1580 		val |= (0<<2);
1581 		break;
1582 	case SPEED_100:
1583 		val |= (1<<2);
1584 		break;
1585 	case SPEED_1000:
1586 		val |= (2<<2);
1587 		break;
1588 	case SPEED_2500:
1589 		val |= (3<<2);
1590 		break;
1591 	default:
1592 		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1593 			       vars->line_speed);
1594 		break;
1595 	}
1596 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1597 		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1598 
1599 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1600 		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1601 
1602 	if (vars->duplex == DUPLEX_HALF)
1603 		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1604 
1605 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1606 	udelay(50);
1607 
1608 	/* Configure UMAC for EEE */
1609 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1610 		DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1611 		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1612 		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1613 		REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1614 	} else {
1615 		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1616 	}
1617 
1618 	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1619 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1620 	       ((params->mac_addr[2] << 24) |
1621 		(params->mac_addr[3] << 16) |
1622 		(params->mac_addr[4] << 8) |
1623 		(params->mac_addr[5])));
1624 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1625 	       ((params->mac_addr[0] << 8) |
1626 		(params->mac_addr[1])));
1627 
1628 	/* Enable RX and TX */
1629 	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1630 	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1631 		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1632 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1633 	udelay(50);
1634 
1635 	/* Remove SW Reset */
1636 	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1637 
1638 	/* Check loopback mode */
1639 	if (lb)
1640 		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1641 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1642 
1643 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1644 	 * length used by the MAC receive logic to check frames.
1645 	 */
1646 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1647 	bnx2x_set_xumac_nig(params,
1648 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1649 	vars->mac_type = MAC_TYPE_UMAC;
1650 
1651 }
1652 
1653 /* Define the XMAC mode */
1654 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1655 {
1656 	struct bnx2x *bp = params->bp;
1657 	u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1658 
1659 	/* In 4-port mode, need to set the mode only once, so if XMAC is
1660 	 * already out of reset, it means the mode has already been set,
1661 	 * and it must not* reset the XMAC again, since it controls both
1662 	 * ports of the path
1663 	 */
1664 
1665 	if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1666 	     (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1667 	     (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1668 	    is_port4mode &&
1669 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1670 	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1671 		DP(NETIF_MSG_LINK,
1672 		   "XMAC already out of reset in 4-port mode\n");
1673 		return;
1674 	}
1675 
1676 	/* Hard reset */
1677 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1678 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1679 	usleep_range(1000, 2000);
1680 
1681 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1682 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1683 	if (is_port4mode) {
1684 		DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1685 
1686 		/* Set the number of ports on the system side to up to 2 */
1687 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1688 
1689 		/* Set the number of ports on the Warp Core to 10G */
1690 		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1691 	} else {
1692 		/* Set the number of ports on the system side to 1 */
1693 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1694 		if (max_speed == SPEED_10000) {
1695 			DP(NETIF_MSG_LINK,
1696 			   "Init XMAC to 10G x 1 port per path\n");
1697 			/* Set the number of ports on the Warp Core to 10G */
1698 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1699 		} else {
1700 			DP(NETIF_MSG_LINK,
1701 			   "Init XMAC to 20G x 2 ports per path\n");
1702 			/* Set the number of ports on the Warp Core to 20G */
1703 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1704 		}
1705 	}
1706 	/* Soft reset */
1707 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1708 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1709 	usleep_range(1000, 2000);
1710 
1711 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1712 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1713 
1714 }
1715 
1716 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1717 {
1718 	u8 port = params->port;
1719 	struct bnx2x *bp = params->bp;
1720 	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1721 	u32 val;
1722 
1723 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1724 	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1725 		/* Send an indication to change the state in the NIG back to XON
1726 		 * Clearing this bit enables the next set of this bit to get
1727 		 * rising edge
1728 		 */
1729 		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1730 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1731 		       (pfc_ctrl & ~(1<<1)));
1732 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1733 		       (pfc_ctrl | (1<<1)));
1734 		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1735 		val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1736 		if (en)
1737 			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1738 		else
1739 			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1740 		REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1741 	}
1742 }
1743 
1744 static int bnx2x_xmac_enable(struct link_params *params,
1745 			     struct link_vars *vars, u8 lb)
1746 {
1747 	u32 val, xmac_base;
1748 	struct bnx2x *bp = params->bp;
1749 	DP(NETIF_MSG_LINK, "enabling XMAC\n");
1750 
1751 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1752 
1753 	bnx2x_xmac_init(params, vars->line_speed);
1754 
1755 	/* This register determines on which events the MAC will assert
1756 	 * error on the i/f to the NIG along w/ EOP.
1757 	 */
1758 
1759 	/* This register tells the NIG whether to send traffic to UMAC
1760 	 * or XMAC
1761 	 */
1762 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1763 
1764 	/* When XMAC is in XLGMII mode, disable sending idles for fault
1765 	 * detection.
1766 	 */
1767 	if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1768 		REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1769 		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1770 			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1771 		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1772 		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1773 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1774 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1775 	}
1776 	/* Set Max packet size */
1777 	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1778 
1779 	/* CRC append for Tx packets */
1780 	REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1781 
1782 	/* update PFC */
1783 	bnx2x_update_pfc_xmac(params, vars, 0);
1784 
1785 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1786 		DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1787 		REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1788 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1789 	} else {
1790 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1791 	}
1792 
1793 	/* Enable TX and RX */
1794 	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1795 
1796 	/* Set MAC in XLGMII mode for dual-mode */
1797 	if ((vars->line_speed == SPEED_20000) &&
1798 	    (params->phy[INT_PHY].supported &
1799 	     SUPPORTED_20000baseKR2_Full))
1800 		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1801 
1802 	/* Check loopback mode */
1803 	if (lb)
1804 		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1805 	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1806 	bnx2x_set_xumac_nig(params,
1807 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1808 
1809 	vars->mac_type = MAC_TYPE_XMAC;
1810 
1811 	return 0;
1812 }
1813 
1814 static int bnx2x_emac_enable(struct link_params *params,
1815 			     struct link_vars *vars, u8 lb)
1816 {
1817 	struct bnx2x *bp = params->bp;
1818 	u8 port = params->port;
1819 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1820 	u32 val;
1821 
1822 	DP(NETIF_MSG_LINK, "enabling EMAC\n");
1823 
1824 	/* Disable BMAC */
1825 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1826 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1827 
1828 	/* enable emac and not bmac */
1829 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1830 
1831 	/* ASIC */
1832 	if (vars->phy_flags & PHY_XGXS_FLAG) {
1833 		u32 ser_lane = ((params->lane_config &
1834 				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1835 				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1836 
1837 		DP(NETIF_MSG_LINK, "XGXS\n");
1838 		/* select the master lanes (out of 0-3) */
1839 		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1840 		/* select XGXS */
1841 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1842 
1843 	} else { /* SerDes */
1844 		DP(NETIF_MSG_LINK, "SerDes\n");
1845 		/* select SerDes */
1846 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1847 	}
1848 
1849 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1850 		      EMAC_RX_MODE_RESET);
1851 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1852 		      EMAC_TX_MODE_RESET);
1853 
1854 		/* pause enable/disable */
1855 		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1856 			       EMAC_RX_MODE_FLOW_EN);
1857 
1858 		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1859 			       (EMAC_TX_MODE_EXT_PAUSE_EN |
1860 				EMAC_TX_MODE_FLOW_EN));
1861 		if (!(params->feature_config_flags &
1862 		      FEATURE_CONFIG_PFC_ENABLED)) {
1863 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1864 				bnx2x_bits_en(bp, emac_base +
1865 					      EMAC_REG_EMAC_RX_MODE,
1866 					      EMAC_RX_MODE_FLOW_EN);
1867 
1868 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1869 				bnx2x_bits_en(bp, emac_base +
1870 					      EMAC_REG_EMAC_TX_MODE,
1871 					      (EMAC_TX_MODE_EXT_PAUSE_EN |
1872 					       EMAC_TX_MODE_FLOW_EN));
1873 		} else
1874 			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1875 				      EMAC_TX_MODE_FLOW_EN);
1876 
1877 	/* KEEP_VLAN_TAG, promiscuous */
1878 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1879 	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1880 
1881 	/* Setting this bit causes MAC control frames (except for pause
1882 	 * frames) to be passed on for processing. This setting has no
1883 	 * affect on the operation of the pause frames. This bit effects
1884 	 * all packets regardless of RX Parser packet sorting logic.
1885 	 * Turn the PFC off to make sure we are in Xon state before
1886 	 * enabling it.
1887 	 */
1888 	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1889 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1890 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1891 		/* Enable PFC again */
1892 		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1893 			EMAC_REG_RX_PFC_MODE_RX_EN |
1894 			EMAC_REG_RX_PFC_MODE_TX_EN |
1895 			EMAC_REG_RX_PFC_MODE_PRIORITIES);
1896 
1897 		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1898 			((0x0101 <<
1899 			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1900 			 (0x00ff <<
1901 			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1902 		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1903 	}
1904 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1905 
1906 	/* Set Loopback */
1907 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1908 	if (lb)
1909 		val |= 0x810;
1910 	else
1911 		val &= ~0x810;
1912 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1913 
1914 	/* Enable emac */
1915 	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1916 
1917 	/* Enable emac for jumbo packets */
1918 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1919 		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
1920 		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1921 
1922 	/* Strip CRC */
1923 	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1924 
1925 	/* Disable the NIG in/out to the bmac */
1926 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1927 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1928 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1929 
1930 	/* Enable the NIG in/out to the emac */
1931 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1932 	val = 0;
1933 	if ((params->feature_config_flags &
1934 	      FEATURE_CONFIG_PFC_ENABLED) ||
1935 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1936 		val = 1;
1937 
1938 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1939 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1940 
1941 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1942 
1943 	vars->mac_type = MAC_TYPE_EMAC;
1944 	return 0;
1945 }
1946 
1947 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1948 				   struct link_vars *vars)
1949 {
1950 	u32 wb_data[2];
1951 	struct bnx2x *bp = params->bp;
1952 	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1953 		NIG_REG_INGRESS_BMAC0_MEM;
1954 
1955 	u32 val = 0x14;
1956 	if ((!(params->feature_config_flags &
1957 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1958 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1959 		/* Enable BigMAC to react on received Pause packets */
1960 		val |= (1<<5);
1961 	wb_data[0] = val;
1962 	wb_data[1] = 0;
1963 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1964 
1965 	/* TX control */
1966 	val = 0xc0;
1967 	if (!(params->feature_config_flags &
1968 	      FEATURE_CONFIG_PFC_ENABLED) &&
1969 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1970 		val |= 0x800000;
1971 	wb_data[0] = val;
1972 	wb_data[1] = 0;
1973 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1974 }
1975 
1976 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1977 				   struct link_vars *vars,
1978 				   u8 is_lb)
1979 {
1980 	/* Set rx control: Strip CRC and enable BigMAC to relay
1981 	 * control packets to the system as well
1982 	 */
1983 	u32 wb_data[2];
1984 	struct bnx2x *bp = params->bp;
1985 	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1986 		NIG_REG_INGRESS_BMAC0_MEM;
1987 	u32 val = 0x14;
1988 
1989 	if ((!(params->feature_config_flags &
1990 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1991 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1992 		/* Enable BigMAC to react on received Pause packets */
1993 		val |= (1<<5);
1994 	wb_data[0] = val;
1995 	wb_data[1] = 0;
1996 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1997 	udelay(30);
1998 
1999 	/* Tx control */
2000 	val = 0xc0;
2001 	if (!(params->feature_config_flags &
2002 				FEATURE_CONFIG_PFC_ENABLED) &&
2003 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2004 		val |= 0x800000;
2005 	wb_data[0] = val;
2006 	wb_data[1] = 0;
2007 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2008 
2009 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2010 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
2011 		/* Enable PFC RX & TX & STATS and set 8 COS  */
2012 		wb_data[0] = 0x0;
2013 		wb_data[0] |= (1<<0);  /* RX */
2014 		wb_data[0] |= (1<<1);  /* TX */
2015 		wb_data[0] |= (1<<2);  /* Force initial Xon */
2016 		wb_data[0] |= (1<<3);  /* 8 cos */
2017 		wb_data[0] |= (1<<5);  /* STATS */
2018 		wb_data[1] = 0;
2019 		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2020 			    wb_data, 2);
2021 		/* Clear the force Xon */
2022 		wb_data[0] &= ~(1<<2);
2023 	} else {
2024 		DP(NETIF_MSG_LINK, "PFC is disabled\n");
2025 		/* Disable PFC RX & TX & STATS and set 8 COS */
2026 		wb_data[0] = 0x8;
2027 		wb_data[1] = 0;
2028 	}
2029 
2030 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2031 
2032 	/* Set Time (based unit is 512 bit time) between automatic
2033 	 * re-sending of PP packets amd enable automatic re-send of
2034 	 * Per-Priroity Packet as long as pp_gen is asserted and
2035 	 * pp_disable is low.
2036 	 */
2037 	val = 0x8000;
2038 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2039 		val |= (1<<16); /* enable automatic re-send */
2040 
2041 	wb_data[0] = val;
2042 	wb_data[1] = 0;
2043 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2044 		    wb_data, 2);
2045 
2046 	/* mac control */
2047 	val = 0x3; /* Enable RX and TX */
2048 	if (is_lb) {
2049 		val |= 0x4; /* Local loopback */
2050 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2051 	}
2052 	/* When PFC enabled, Pass pause frames towards the NIG. */
2053 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2054 		val |= ((1<<6)|(1<<5));
2055 
2056 	wb_data[0] = val;
2057 	wb_data[1] = 0;
2058 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2059 }
2060 
2061 /******************************************************************************
2062 * Description:
2063 *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2064 *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2065 ******************************************************************************/
2066 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2067 					   u8 cos_entry,
2068 					   u32 priority_mask, u8 port)
2069 {
2070 	u32 nig_reg_rx_priority_mask_add = 0;
2071 
2072 	switch (cos_entry) {
2073 	case 0:
2074 	     nig_reg_rx_priority_mask_add = (port) ?
2075 		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2076 		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2077 	     break;
2078 	case 1:
2079 	    nig_reg_rx_priority_mask_add = (port) ?
2080 		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2081 		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2082 	    break;
2083 	case 2:
2084 	    nig_reg_rx_priority_mask_add = (port) ?
2085 		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2086 		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2087 	    break;
2088 	case 3:
2089 	    if (port)
2090 		return -EINVAL;
2091 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2092 	    break;
2093 	case 4:
2094 	    if (port)
2095 		return -EINVAL;
2096 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2097 	    break;
2098 	case 5:
2099 	    if (port)
2100 		return -EINVAL;
2101 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2102 	    break;
2103 	}
2104 
2105 	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2106 
2107 	return 0;
2108 }
2109 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2110 {
2111 	struct bnx2x *bp = params->bp;
2112 
2113 	REG_WR(bp, params->shmem_base +
2114 	       offsetof(struct shmem_region,
2115 			port_mb[params->port].link_status), link_status);
2116 }
2117 
2118 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2119 {
2120 	struct bnx2x *bp = params->bp;
2121 
2122 	if (SHMEM2_HAS(bp, link_attr_sync))
2123 		REG_WR(bp, params->shmem2_base +
2124 		       offsetof(struct shmem2_region,
2125 				link_attr_sync[params->port]), link_attr);
2126 }
2127 
2128 static void bnx2x_update_pfc_nig(struct link_params *params,
2129 		struct link_vars *vars,
2130 		struct bnx2x_nig_brb_pfc_port_params *nig_params)
2131 {
2132 	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2133 	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2134 	u32 pkt_priority_to_cos = 0;
2135 	struct bnx2x *bp = params->bp;
2136 	u8 port = params->port;
2137 
2138 	int set_pfc = params->feature_config_flags &
2139 		FEATURE_CONFIG_PFC_ENABLED;
2140 	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2141 
2142 	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2143 	 * MAC control frames (that are not pause packets)
2144 	 * will be forwarded to the XCM.
2145 	 */
2146 	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2147 			  NIG_REG_LLH0_XCM_MASK);
2148 	/* NIG params will override non PFC params, since it's possible to
2149 	 * do transition from PFC to SAFC
2150 	 */
2151 	if (set_pfc) {
2152 		pause_enable = 0;
2153 		llfc_out_en = 0;
2154 		llfc_enable = 0;
2155 		if (CHIP_IS_E3(bp))
2156 			ppp_enable = 0;
2157 		else
2158 			ppp_enable = 1;
2159 		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2160 				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2161 		xcm_out_en = 0;
2162 		hwpfc_enable = 1;
2163 	} else  {
2164 		if (nig_params) {
2165 			llfc_out_en = nig_params->llfc_out_en;
2166 			llfc_enable = nig_params->llfc_enable;
2167 			pause_enable = nig_params->pause_enable;
2168 		} else  /* Default non PFC mode - PAUSE */
2169 			pause_enable = 1;
2170 
2171 		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2172 			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2173 		xcm_out_en = 1;
2174 	}
2175 
2176 	if (CHIP_IS_E3(bp))
2177 		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2178 		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2179 	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2180 	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2181 	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2182 	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2183 	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2184 	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2185 
2186 	REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2187 	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2188 
2189 	REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2190 	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2191 
2192 	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2193 	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2194 
2195 	/* Output enable for RX_XCM # IF */
2196 	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2197 	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2198 
2199 	/* HW PFC TX enable */
2200 	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2201 	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2202 
2203 	if (nig_params) {
2204 		u8 i = 0;
2205 		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2206 
2207 		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2208 			bnx2x_pfc_nig_rx_priority_mask(bp, i,
2209 		nig_params->rx_cos_priority_mask[i], port);
2210 
2211 		REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2212 		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2213 		       nig_params->llfc_high_priority_classes);
2214 
2215 		REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2216 		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2217 		       nig_params->llfc_low_priority_classes);
2218 	}
2219 	REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2220 	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2221 	       pkt_priority_to_cos);
2222 }
2223 
2224 int bnx2x_update_pfc(struct link_params *params,
2225 		      struct link_vars *vars,
2226 		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2227 {
2228 	/* The PFC and pause are orthogonal to one another, meaning when
2229 	 * PFC is enabled, the pause are disabled, and when PFC is
2230 	 * disabled, pause are set according to the pause result.
2231 	 */
2232 	u32 val;
2233 	struct bnx2x *bp = params->bp;
2234 	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2235 
2236 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2237 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2238 	else
2239 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2240 
2241 	bnx2x_update_mng(params, vars->link_status);
2242 
2243 	/* Update NIG params */
2244 	bnx2x_update_pfc_nig(params, vars, pfc_params);
2245 
2246 	if (!vars->link_up)
2247 		return 0;
2248 
2249 	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2250 
2251 	if (CHIP_IS_E3(bp)) {
2252 		if (vars->mac_type == MAC_TYPE_XMAC)
2253 			bnx2x_update_pfc_xmac(params, vars, 0);
2254 	} else {
2255 		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2256 		if ((val &
2257 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2258 		    == 0) {
2259 			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2260 			bnx2x_emac_enable(params, vars, 0);
2261 			return 0;
2262 		}
2263 		if (CHIP_IS_E2(bp))
2264 			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2265 		else
2266 			bnx2x_update_pfc_bmac1(params, vars);
2267 
2268 		val = 0;
2269 		if ((params->feature_config_flags &
2270 		     FEATURE_CONFIG_PFC_ENABLED) ||
2271 		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2272 			val = 1;
2273 		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2274 	}
2275 	return 0;
2276 }
2277 
2278 static int bnx2x_bmac1_enable(struct link_params *params,
2279 			      struct link_vars *vars,
2280 			      u8 is_lb)
2281 {
2282 	struct bnx2x *bp = params->bp;
2283 	u8 port = params->port;
2284 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2285 			       NIG_REG_INGRESS_BMAC0_MEM;
2286 	u32 wb_data[2];
2287 	u32 val;
2288 
2289 	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2290 
2291 	/* XGXS control */
2292 	wb_data[0] = 0x3c;
2293 	wb_data[1] = 0;
2294 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2295 		    wb_data, 2);
2296 
2297 	/* TX MAC SA */
2298 	wb_data[0] = ((params->mac_addr[2] << 24) |
2299 		       (params->mac_addr[3] << 16) |
2300 		       (params->mac_addr[4] << 8) |
2301 			params->mac_addr[5]);
2302 	wb_data[1] = ((params->mac_addr[0] << 8) |
2303 			params->mac_addr[1]);
2304 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2305 
2306 	/* MAC control */
2307 	val = 0x3;
2308 	if (is_lb) {
2309 		val |= 0x4;
2310 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2311 	}
2312 	wb_data[0] = val;
2313 	wb_data[1] = 0;
2314 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2315 
2316 	/* Set rx mtu */
2317 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2318 	wb_data[1] = 0;
2319 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2320 
2321 	bnx2x_update_pfc_bmac1(params, vars);
2322 
2323 	/* Set tx mtu */
2324 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2325 	wb_data[1] = 0;
2326 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2327 
2328 	/* Set cnt max size */
2329 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2330 	wb_data[1] = 0;
2331 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2332 
2333 	/* Configure SAFC */
2334 	wb_data[0] = 0x1000200;
2335 	wb_data[1] = 0;
2336 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2337 		    wb_data, 2);
2338 
2339 	return 0;
2340 }
2341 
2342 static int bnx2x_bmac2_enable(struct link_params *params,
2343 			      struct link_vars *vars,
2344 			      u8 is_lb)
2345 {
2346 	struct bnx2x *bp = params->bp;
2347 	u8 port = params->port;
2348 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2349 			       NIG_REG_INGRESS_BMAC0_MEM;
2350 	u32 wb_data[2];
2351 
2352 	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2353 
2354 	wb_data[0] = 0;
2355 	wb_data[1] = 0;
2356 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2357 	udelay(30);
2358 
2359 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2360 	wb_data[0] = 0x3c;
2361 	wb_data[1] = 0;
2362 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2363 		    wb_data, 2);
2364 
2365 	udelay(30);
2366 
2367 	/* TX MAC SA */
2368 	wb_data[0] = ((params->mac_addr[2] << 24) |
2369 		       (params->mac_addr[3] << 16) |
2370 		       (params->mac_addr[4] << 8) |
2371 			params->mac_addr[5]);
2372 	wb_data[1] = ((params->mac_addr[0] << 8) |
2373 			params->mac_addr[1]);
2374 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2375 		    wb_data, 2);
2376 
2377 	udelay(30);
2378 
2379 	/* Configure SAFC */
2380 	wb_data[0] = 0x1000200;
2381 	wb_data[1] = 0;
2382 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2383 		    wb_data, 2);
2384 	udelay(30);
2385 
2386 	/* Set RX MTU */
2387 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2388 	wb_data[1] = 0;
2389 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2390 	udelay(30);
2391 
2392 	/* Set TX MTU */
2393 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2394 	wb_data[1] = 0;
2395 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2396 	udelay(30);
2397 	/* Set cnt max size */
2398 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2399 	wb_data[1] = 0;
2400 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2401 	udelay(30);
2402 	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2403 
2404 	return 0;
2405 }
2406 
2407 static int bnx2x_bmac_enable(struct link_params *params,
2408 			     struct link_vars *vars,
2409 			     u8 is_lb, u8 reset_bmac)
2410 {
2411 	int rc = 0;
2412 	u8 port = params->port;
2413 	struct bnx2x *bp = params->bp;
2414 	u32 val;
2415 	/* Reset and unreset the BigMac */
2416 	if (reset_bmac) {
2417 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2418 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2419 		usleep_range(1000, 2000);
2420 	}
2421 
2422 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2423 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2424 
2425 	/* Enable access for bmac registers */
2426 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2427 
2428 	/* Enable BMAC according to BMAC type*/
2429 	if (CHIP_IS_E2(bp))
2430 		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2431 	else
2432 		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2433 	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2434 	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2435 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2436 	val = 0;
2437 	if ((params->feature_config_flags &
2438 	      FEATURE_CONFIG_PFC_ENABLED) ||
2439 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2440 		val = 1;
2441 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2442 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2443 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2444 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2445 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2446 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2447 
2448 	vars->mac_type = MAC_TYPE_BMAC;
2449 	return rc;
2450 }
2451 
2452 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2453 {
2454 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2455 			NIG_REG_INGRESS_BMAC0_MEM;
2456 	u32 wb_data[2];
2457 	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2458 
2459 	if (CHIP_IS_E2(bp))
2460 		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2461 	else
2462 		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2463 	/* Only if the bmac is out of reset */
2464 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2465 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2466 	    nig_bmac_enable) {
2467 		/* Clear Rx Enable bit in BMAC_CONTROL register */
2468 		REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2469 		if (en)
2470 			wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2471 		else
2472 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2473 		REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2474 		usleep_range(1000, 2000);
2475 	}
2476 }
2477 
2478 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2479 			    u32 line_speed)
2480 {
2481 	struct bnx2x *bp = params->bp;
2482 	u8 port = params->port;
2483 	u32 init_crd, crd;
2484 	u32 count = 1000;
2485 
2486 	/* Disable port */
2487 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2488 
2489 	/* Wait for init credit */
2490 	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2491 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2492 	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2493 
2494 	while ((init_crd != crd) && count) {
2495 		usleep_range(5000, 10000);
2496 		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2497 		count--;
2498 	}
2499 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2500 	if (init_crd != crd) {
2501 		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2502 			  init_crd, crd);
2503 		return -EINVAL;
2504 	}
2505 
2506 	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2507 	    line_speed == SPEED_10 ||
2508 	    line_speed == SPEED_100 ||
2509 	    line_speed == SPEED_1000 ||
2510 	    line_speed == SPEED_2500) {
2511 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2512 		/* Update threshold */
2513 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2514 		/* Update init credit */
2515 		init_crd = 778;		/* (800-18-4) */
2516 
2517 	} else {
2518 		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2519 			      ETH_OVREHEAD)/16;
2520 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2521 		/* Update threshold */
2522 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2523 		/* Update init credit */
2524 		switch (line_speed) {
2525 		case SPEED_10000:
2526 			init_crd = thresh + 553 - 22;
2527 			break;
2528 		default:
2529 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2530 				  line_speed);
2531 			return -EINVAL;
2532 		}
2533 	}
2534 	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2535 	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2536 		 line_speed, init_crd);
2537 
2538 	/* Probe the credit changes */
2539 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2540 	usleep_range(5000, 10000);
2541 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2542 
2543 	/* Enable port */
2544 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2545 	return 0;
2546 }
2547 
2548 /**
2549  * bnx2x_get_emac_base - retrive emac base address
2550  *
2551  * @bp:			driver handle
2552  * @mdc_mdio_access:	access type
2553  * @port:		port id
2554  *
2555  * This function selects the MDC/MDIO access (through emac0 or
2556  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2557  * phy has a default access mode, which could also be overridden
2558  * by nvram configuration. This parameter, whether this is the
2559  * default phy configuration, or the nvram overrun
2560  * configuration, is passed here as mdc_mdio_access and selects
2561  * the emac_base for the CL45 read/writes operations
2562  */
2563 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2564 			       u32 mdc_mdio_access, u8 port)
2565 {
2566 	u32 emac_base = 0;
2567 	switch (mdc_mdio_access) {
2568 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2569 		break;
2570 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2571 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2572 			emac_base = GRCBASE_EMAC1;
2573 		else
2574 			emac_base = GRCBASE_EMAC0;
2575 		break;
2576 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2577 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2578 			emac_base = GRCBASE_EMAC0;
2579 		else
2580 			emac_base = GRCBASE_EMAC1;
2581 		break;
2582 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2583 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2584 		break;
2585 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2586 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2587 		break;
2588 	default:
2589 		break;
2590 	}
2591 	return emac_base;
2592 
2593 }
2594 
2595 /******************************************************************/
2596 /*			CL22 access functions			  */
2597 /******************************************************************/
2598 static int bnx2x_cl22_write(struct bnx2x *bp,
2599 				       struct bnx2x_phy *phy,
2600 				       u16 reg, u16 val)
2601 {
2602 	u32 tmp, mode;
2603 	u8 i;
2604 	int rc = 0;
2605 	/* Switch to CL22 */
2606 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2607 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2608 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2609 
2610 	/* Address */
2611 	tmp = ((phy->addr << 21) | (reg << 16) | val |
2612 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2613 	       EMAC_MDIO_COMM_START_BUSY);
2614 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2615 
2616 	for (i = 0; i < 50; i++) {
2617 		udelay(10);
2618 
2619 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2620 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2621 			udelay(5);
2622 			break;
2623 		}
2624 	}
2625 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2626 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2627 		rc = -EFAULT;
2628 	}
2629 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2630 	return rc;
2631 }
2632 
2633 static int bnx2x_cl22_read(struct bnx2x *bp,
2634 				      struct bnx2x_phy *phy,
2635 				      u16 reg, u16 *ret_val)
2636 {
2637 	u32 val, mode;
2638 	u16 i;
2639 	int rc = 0;
2640 
2641 	/* Switch to CL22 */
2642 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2643 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2644 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2645 
2646 	/* Address */
2647 	val = ((phy->addr << 21) | (reg << 16) |
2648 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
2649 	       EMAC_MDIO_COMM_START_BUSY);
2650 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2651 
2652 	for (i = 0; i < 50; i++) {
2653 		udelay(10);
2654 
2655 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2656 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2657 			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2658 			udelay(5);
2659 			break;
2660 		}
2661 	}
2662 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2663 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2664 
2665 		*ret_val = 0;
2666 		rc = -EFAULT;
2667 	}
2668 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2669 	return rc;
2670 }
2671 
2672 /******************************************************************/
2673 /*			CL45 access functions			  */
2674 /******************************************************************/
2675 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2676 			   u8 devad, u16 reg, u16 *ret_val)
2677 {
2678 	u32 val;
2679 	u16 i;
2680 	int rc = 0;
2681 	u32 chip_id;
2682 	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2683 		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2684 			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2685 		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2686 	}
2687 
2688 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2689 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2690 			      EMAC_MDIO_STATUS_10MB);
2691 	/* Address */
2692 	val = ((phy->addr << 21) | (devad << 16) | reg |
2693 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2694 	       EMAC_MDIO_COMM_START_BUSY);
2695 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2696 
2697 	for (i = 0; i < 50; i++) {
2698 		udelay(10);
2699 
2700 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2701 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2702 			udelay(5);
2703 			break;
2704 		}
2705 	}
2706 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2707 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2708 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2709 		*ret_val = 0;
2710 		rc = -EFAULT;
2711 	} else {
2712 		/* Data */
2713 		val = ((phy->addr << 21) | (devad << 16) |
2714 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
2715 		       EMAC_MDIO_COMM_START_BUSY);
2716 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2717 
2718 		for (i = 0; i < 50; i++) {
2719 			udelay(10);
2720 
2721 			val = REG_RD(bp, phy->mdio_ctrl +
2722 				     EMAC_REG_EMAC_MDIO_COMM);
2723 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2724 				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2725 				break;
2726 			}
2727 		}
2728 		if (val & EMAC_MDIO_COMM_START_BUSY) {
2729 			DP(NETIF_MSG_LINK, "read phy register failed\n");
2730 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2731 			*ret_val = 0;
2732 			rc = -EFAULT;
2733 		}
2734 	}
2735 	/* Work around for E3 A0 */
2736 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2737 		phy->flags ^= FLAGS_DUMMY_READ;
2738 		if (phy->flags & FLAGS_DUMMY_READ) {
2739 			u16 temp_val;
2740 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2741 		}
2742 	}
2743 
2744 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2745 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2746 			       EMAC_MDIO_STATUS_10MB);
2747 	return rc;
2748 }
2749 
2750 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2751 			    u8 devad, u16 reg, u16 val)
2752 {
2753 	u32 tmp;
2754 	u8 i;
2755 	int rc = 0;
2756 	u32 chip_id;
2757 	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2758 		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2759 			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2760 		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2761 	}
2762 
2763 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2764 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2765 			      EMAC_MDIO_STATUS_10MB);
2766 
2767 	/* Address */
2768 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
2769 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2770 	       EMAC_MDIO_COMM_START_BUSY);
2771 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2772 
2773 	for (i = 0; i < 50; i++) {
2774 		udelay(10);
2775 
2776 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2777 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2778 			udelay(5);
2779 			break;
2780 		}
2781 	}
2782 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2783 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2784 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2785 		rc = -EFAULT;
2786 	} else {
2787 		/* Data */
2788 		tmp = ((phy->addr << 21) | (devad << 16) | val |
2789 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2790 		       EMAC_MDIO_COMM_START_BUSY);
2791 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2792 
2793 		for (i = 0; i < 50; i++) {
2794 			udelay(10);
2795 
2796 			tmp = REG_RD(bp, phy->mdio_ctrl +
2797 				     EMAC_REG_EMAC_MDIO_COMM);
2798 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2799 				udelay(5);
2800 				break;
2801 			}
2802 		}
2803 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2804 			DP(NETIF_MSG_LINK, "write phy register failed\n");
2805 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2806 			rc = -EFAULT;
2807 		}
2808 	}
2809 	/* Work around for E3 A0 */
2810 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2811 		phy->flags ^= FLAGS_DUMMY_READ;
2812 		if (phy->flags & FLAGS_DUMMY_READ) {
2813 			u16 temp_val;
2814 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2815 		}
2816 	}
2817 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2818 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2819 			       EMAC_MDIO_STATUS_10MB);
2820 	return rc;
2821 }
2822 
2823 /******************************************************************/
2824 /*			EEE section				   */
2825 /******************************************************************/
2826 static u8 bnx2x_eee_has_cap(struct link_params *params)
2827 {
2828 	struct bnx2x *bp = params->bp;
2829 
2830 	if (REG_RD(bp, params->shmem2_base) <=
2831 		   offsetof(struct shmem2_region, eee_status[params->port]))
2832 		return 0;
2833 
2834 	return 1;
2835 }
2836 
2837 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2838 {
2839 	switch (nvram_mode) {
2840 	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2841 		*idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2842 		break;
2843 	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2844 		*idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2845 		break;
2846 	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2847 		*idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2848 		break;
2849 	default:
2850 		*idle_timer = 0;
2851 		break;
2852 	}
2853 
2854 	return 0;
2855 }
2856 
2857 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2858 {
2859 	switch (idle_timer) {
2860 	case EEE_MODE_NVRAM_BALANCED_TIME:
2861 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2862 		break;
2863 	case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2864 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2865 		break;
2866 	case EEE_MODE_NVRAM_LATENCY_TIME:
2867 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2868 		break;
2869 	default:
2870 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2871 		break;
2872 	}
2873 
2874 	return 0;
2875 }
2876 
2877 static u32 bnx2x_eee_calc_timer(struct link_params *params)
2878 {
2879 	u32 eee_mode, eee_idle;
2880 	struct bnx2x *bp = params->bp;
2881 
2882 	if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2883 		if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2884 			/* time value in eee_mode --> used directly*/
2885 			eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2886 		} else {
2887 			/* hsi value in eee_mode --> time */
2888 			if (bnx2x_eee_nvram_to_time(params->eee_mode &
2889 						    EEE_MODE_NVRAM_MASK,
2890 						    &eee_idle))
2891 				return 0;
2892 		}
2893 	} else {
2894 		/* hsi values in nvram --> time*/
2895 		eee_mode = ((REG_RD(bp, params->shmem_base +
2896 				    offsetof(struct shmem_region, dev_info.
2897 				    port_feature_config[params->port].
2898 				    eee_power_mode)) &
2899 			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2900 			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2901 
2902 		if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2903 			return 0;
2904 	}
2905 
2906 	return eee_idle;
2907 }
2908 
2909 static int bnx2x_eee_set_timers(struct link_params *params,
2910 				   struct link_vars *vars)
2911 {
2912 	u32 eee_idle = 0, eee_mode;
2913 	struct bnx2x *bp = params->bp;
2914 
2915 	eee_idle = bnx2x_eee_calc_timer(params);
2916 
2917 	if (eee_idle) {
2918 		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2919 		       eee_idle);
2920 	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2921 		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2922 		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2923 		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2924 		return -EINVAL;
2925 	}
2926 
2927 	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2928 	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2929 		/* eee_idle in 1u --> eee_status in 16u */
2930 		eee_idle >>= 4;
2931 		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2932 				    SHMEM_EEE_TIME_OUTPUT_BIT;
2933 	} else {
2934 		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2935 			return -EINVAL;
2936 		vars->eee_status |= eee_mode;
2937 	}
2938 
2939 	return 0;
2940 }
2941 
2942 static int bnx2x_eee_initial_config(struct link_params *params,
2943 				     struct link_vars *vars, u8 mode)
2944 {
2945 	vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2946 
2947 	/* Propagate params' bits --> vars (for migration exposure) */
2948 	if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2949 		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2950 	else
2951 		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2952 
2953 	if (params->eee_mode & EEE_MODE_ADV_LPI)
2954 		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2955 	else
2956 		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2957 
2958 	return bnx2x_eee_set_timers(params, vars);
2959 }
2960 
2961 static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2962 				struct link_params *params,
2963 				struct link_vars *vars)
2964 {
2965 	struct bnx2x *bp = params->bp;
2966 
2967 	/* Make Certain LPI is disabled */
2968 	REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2969 
2970 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2971 
2972 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2973 
2974 	return 0;
2975 }
2976 
2977 static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2978 				  struct link_params *params,
2979 				  struct link_vars *vars, u8 modes)
2980 {
2981 	struct bnx2x *bp = params->bp;
2982 	u16 val = 0;
2983 
2984 	/* Mask events preventing LPI generation */
2985 	REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2986 
2987 	if (modes & SHMEM_EEE_10G_ADV) {
2988 		DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2989 		val |= 0x8;
2990 	}
2991 	if (modes & SHMEM_EEE_1G_ADV) {
2992 		DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2993 		val |= 0x4;
2994 	}
2995 
2996 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2997 
2998 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2999 	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3000 
3001 	return 0;
3002 }
3003 
3004 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3005 {
3006 	struct bnx2x *bp = params->bp;
3007 
3008 	if (bnx2x_eee_has_cap(params))
3009 		REG_WR(bp, params->shmem2_base +
3010 		       offsetof(struct shmem2_region,
3011 				eee_status[params->port]), eee_status);
3012 }
3013 
3014 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3015 				  struct link_params *params,
3016 				  struct link_vars *vars)
3017 {
3018 	struct bnx2x *bp = params->bp;
3019 	u16 adv = 0, lp = 0;
3020 	u32 lp_adv = 0;
3021 	u8 neg = 0;
3022 
3023 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3024 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3025 
3026 	if (lp & 0x2) {
3027 		lp_adv |= SHMEM_EEE_100M_ADV;
3028 		if (adv & 0x2) {
3029 			if (vars->line_speed == SPEED_100)
3030 				neg = 1;
3031 			DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3032 		}
3033 	}
3034 	if (lp & 0x14) {
3035 		lp_adv |= SHMEM_EEE_1G_ADV;
3036 		if (adv & 0x14) {
3037 			if (vars->line_speed == SPEED_1000)
3038 				neg = 1;
3039 			DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3040 		}
3041 	}
3042 	if (lp & 0x68) {
3043 		lp_adv |= SHMEM_EEE_10G_ADV;
3044 		if (adv & 0x68) {
3045 			if (vars->line_speed == SPEED_10000)
3046 				neg = 1;
3047 			DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3048 		}
3049 	}
3050 
3051 	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3052 	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3053 
3054 	if (neg) {
3055 		DP(NETIF_MSG_LINK, "EEE is active\n");
3056 		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3057 	}
3058 
3059 }
3060 
3061 /******************************************************************/
3062 /*			BSC access functions from E3	          */
3063 /******************************************************************/
3064 static void bnx2x_bsc_module_sel(struct link_params *params)
3065 {
3066 	int idx;
3067 	u32 board_cfg, sfp_ctrl;
3068 	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3069 	struct bnx2x *bp = params->bp;
3070 	u8 port = params->port;
3071 	/* Read I2C output PINs */
3072 	board_cfg = REG_RD(bp, params->shmem_base +
3073 			   offsetof(struct shmem_region,
3074 				    dev_info.shared_hw_config.board));
3075 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3076 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3077 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3078 
3079 	/* Read I2C output value */
3080 	sfp_ctrl = REG_RD(bp, params->shmem_base +
3081 			  offsetof(struct shmem_region,
3082 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3083 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3084 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3085 	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3086 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3087 		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3088 }
3089 
3090 static int bnx2x_bsc_read(struct link_params *params,
3091 			  struct bnx2x *bp,
3092 			  u8 sl_devid,
3093 			  u16 sl_addr,
3094 			  u8 lc_addr,
3095 			  u8 xfer_cnt,
3096 			  u32 *data_array)
3097 {
3098 	u32 val, i;
3099 	int rc = 0;
3100 
3101 	if (xfer_cnt > 16) {
3102 		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3103 					xfer_cnt);
3104 		return -EINVAL;
3105 	}
3106 	bnx2x_bsc_module_sel(params);
3107 
3108 	xfer_cnt = 16 - lc_addr;
3109 
3110 	/* Enable the engine */
3111 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3112 	val |= MCPR_IMC_COMMAND_ENABLE;
3113 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3114 
3115 	/* Program slave device ID */
3116 	val = (sl_devid << 16) | sl_addr;
3117 	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3118 
3119 	/* Start xfer with 0 byte to update the address pointer ???*/
3120 	val = (MCPR_IMC_COMMAND_ENABLE) |
3121 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3122 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3123 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3124 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3125 
3126 	/* Poll for completion */
3127 	i = 0;
3128 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3129 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3130 		udelay(10);
3131 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3132 		if (i++ > 1000) {
3133 			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3134 								i);
3135 			rc = -EFAULT;
3136 			break;
3137 		}
3138 	}
3139 	if (rc == -EFAULT)
3140 		return rc;
3141 
3142 	/* Start xfer with read op */
3143 	val = (MCPR_IMC_COMMAND_ENABLE) |
3144 		(MCPR_IMC_COMMAND_READ_OP <<
3145 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3146 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3147 		  (xfer_cnt);
3148 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3149 
3150 	/* Poll for completion */
3151 	i = 0;
3152 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3153 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3154 		udelay(10);
3155 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3156 		if (i++ > 1000) {
3157 			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3158 			rc = -EFAULT;
3159 			break;
3160 		}
3161 	}
3162 	if (rc == -EFAULT)
3163 		return rc;
3164 
3165 	for (i = (lc_addr >> 2); i < 4; i++) {
3166 		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3167 #ifdef __BIG_ENDIAN
3168 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3169 				((data_array[i] & 0x0000ff00) << 8) |
3170 				((data_array[i] & 0x00ff0000) >> 8) |
3171 				((data_array[i] & 0xff000000) >> 24);
3172 #endif
3173 	}
3174 	return rc;
3175 }
3176 
3177 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3178 				     u8 devad, u16 reg, u16 or_val)
3179 {
3180 	u16 val;
3181 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3182 	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3183 }
3184 
3185 static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3186 				      struct bnx2x_phy *phy,
3187 				      u8 devad, u16 reg, u16 and_val)
3188 {
3189 	u16 val;
3190 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3191 	bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3192 }
3193 
3194 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3195 		   u8 devad, u16 reg, u16 *ret_val)
3196 {
3197 	u8 phy_index;
3198 	/* Probe for the phy according to the given phy_addr, and execute
3199 	 * the read request on it
3200 	 */
3201 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3202 		if (params->phy[phy_index].addr == phy_addr) {
3203 			return bnx2x_cl45_read(params->bp,
3204 					       &params->phy[phy_index], devad,
3205 					       reg, ret_val);
3206 		}
3207 	}
3208 	return -EINVAL;
3209 }
3210 
3211 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3212 		    u8 devad, u16 reg, u16 val)
3213 {
3214 	u8 phy_index;
3215 	/* Probe for the phy according to the given phy_addr, and execute
3216 	 * the write request on it
3217 	 */
3218 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3219 		if (params->phy[phy_index].addr == phy_addr) {
3220 			return bnx2x_cl45_write(params->bp,
3221 						&params->phy[phy_index], devad,
3222 						reg, val);
3223 		}
3224 	}
3225 	return -EINVAL;
3226 }
3227 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3228 				  struct link_params *params)
3229 {
3230 	u8 lane = 0;
3231 	struct bnx2x *bp = params->bp;
3232 	u32 path_swap, path_swap_ovr;
3233 	u8 path, port;
3234 
3235 	path = BP_PATH(bp);
3236 	port = params->port;
3237 
3238 	if (bnx2x_is_4_port_mode(bp)) {
3239 		u32 port_swap, port_swap_ovr;
3240 
3241 		/* Figure out path swap value */
3242 		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3243 		if (path_swap_ovr & 0x1)
3244 			path_swap = (path_swap_ovr & 0x2);
3245 		else
3246 			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3247 
3248 		if (path_swap)
3249 			path = path ^ 1;
3250 
3251 		/* Figure out port swap value */
3252 		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3253 		if (port_swap_ovr & 0x1)
3254 			port_swap = (port_swap_ovr & 0x2);
3255 		else
3256 			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3257 
3258 		if (port_swap)
3259 			port = port ^ 1;
3260 
3261 		lane = (port<<1) + path;
3262 	} else { /* Two port mode - no port swap */
3263 
3264 		/* Figure out path swap value */
3265 		path_swap_ovr =
3266 			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3267 		if (path_swap_ovr & 0x1) {
3268 			path_swap = (path_swap_ovr & 0x2);
3269 		} else {
3270 			path_swap =
3271 				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3272 		}
3273 		if (path_swap)
3274 			path = path ^ 1;
3275 
3276 		lane = path << 1 ;
3277 	}
3278 	return lane;
3279 }
3280 
3281 static void bnx2x_set_aer_mmd(struct link_params *params,
3282 			      struct bnx2x_phy *phy)
3283 {
3284 	u32 ser_lane;
3285 	u16 offset, aer_val;
3286 	struct bnx2x *bp = params->bp;
3287 	ser_lane = ((params->lane_config &
3288 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3289 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3290 
3291 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3292 		(phy->addr + ser_lane) : 0;
3293 
3294 	if (USES_WARPCORE(bp)) {
3295 		aer_val = bnx2x_get_warpcore_lane(phy, params);
3296 		/* In Dual-lane mode, two lanes are joined together,
3297 		 * so in order to configure them, the AER broadcast method is
3298 		 * used here.
3299 		 * 0x200 is the broadcast address for lanes 0,1
3300 		 * 0x201 is the broadcast address for lanes 2,3
3301 		 */
3302 		if (phy->flags & FLAGS_WC_DUAL_MODE)
3303 			aer_val = (aer_val >> 1) | 0x200;
3304 	} else if (CHIP_IS_E2(bp))
3305 		aer_val = 0x3800 + offset - 1;
3306 	else
3307 		aer_val = 0x3800 + offset;
3308 
3309 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3310 			  MDIO_AER_BLOCK_AER_REG, aer_val);
3311 
3312 }
3313 
3314 /******************************************************************/
3315 /*			Internal phy section			  */
3316 /******************************************************************/
3317 
3318 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3319 {
3320 	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3321 
3322 	/* Set Clause 22 */
3323 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3324 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3325 	udelay(500);
3326 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3327 	udelay(500);
3328 	 /* Set Clause 45 */
3329 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3330 }
3331 
3332 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3333 {
3334 	u32 val;
3335 
3336 	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3337 
3338 	val = SERDES_RESET_BITS << (port*16);
3339 
3340 	/* Reset and unreset the SerDes/XGXS */
3341 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3342 	udelay(500);
3343 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3344 
3345 	bnx2x_set_serdes_access(bp, port);
3346 
3347 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3348 	       DEFAULT_PHY_DEV_ADDR);
3349 }
3350 
3351 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3352 				     struct link_params *params,
3353 				     u32 action)
3354 {
3355 	struct bnx2x *bp = params->bp;
3356 	switch (action) {
3357 	case PHY_INIT:
3358 		/* Set correct devad */
3359 		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3360 		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3361 		       phy->def_md_devad);
3362 		break;
3363 	}
3364 }
3365 
3366 static void bnx2x_xgxs_deassert(struct link_params *params)
3367 {
3368 	struct bnx2x *bp = params->bp;
3369 	u8 port;
3370 	u32 val;
3371 	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3372 	port = params->port;
3373 
3374 	val = XGXS_RESET_BITS << (port*16);
3375 
3376 	/* Reset and unreset the SerDes/XGXS */
3377 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3378 	udelay(500);
3379 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3380 	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3381 				 PHY_INIT);
3382 }
3383 
3384 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3385 				     struct link_params *params, u16 *ieee_fc)
3386 {
3387 	struct bnx2x *bp = params->bp;
3388 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3389 	/* Resolve pause mode and advertisement Please refer to Table
3390 	 * 28B-3 of the 802.3ab-1999 spec
3391 	 */
3392 
3393 	switch (phy->req_flow_ctrl) {
3394 	case BNX2X_FLOW_CTRL_AUTO:
3395 		switch (params->req_fc_auto_adv) {
3396 		case BNX2X_FLOW_CTRL_BOTH:
3397 		case BNX2X_FLOW_CTRL_RX:
3398 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3399 			break;
3400 		case BNX2X_FLOW_CTRL_TX:
3401 			*ieee_fc |=
3402 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3403 			break;
3404 		default:
3405 			break;
3406 		}
3407 		break;
3408 	case BNX2X_FLOW_CTRL_TX:
3409 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3410 		break;
3411 
3412 	case BNX2X_FLOW_CTRL_RX:
3413 	case BNX2X_FLOW_CTRL_BOTH:
3414 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3415 		break;
3416 
3417 	case BNX2X_FLOW_CTRL_NONE:
3418 	default:
3419 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3420 		break;
3421 	}
3422 	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3423 }
3424 
3425 static void set_phy_vars(struct link_params *params,
3426 			 struct link_vars *vars)
3427 {
3428 	struct bnx2x *bp = params->bp;
3429 	u8 actual_phy_idx, phy_index, link_cfg_idx;
3430 	u8 phy_config_swapped = params->multi_phy_config &
3431 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3432 	for (phy_index = INT_PHY; phy_index < params->num_phys;
3433 	      phy_index++) {
3434 		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3435 		actual_phy_idx = phy_index;
3436 		if (phy_config_swapped) {
3437 			if (phy_index == EXT_PHY1)
3438 				actual_phy_idx = EXT_PHY2;
3439 			else if (phy_index == EXT_PHY2)
3440 				actual_phy_idx = EXT_PHY1;
3441 		}
3442 		params->phy[actual_phy_idx].req_flow_ctrl =
3443 			params->req_flow_ctrl[link_cfg_idx];
3444 
3445 		params->phy[actual_phy_idx].req_line_speed =
3446 			params->req_line_speed[link_cfg_idx];
3447 
3448 		params->phy[actual_phy_idx].speed_cap_mask =
3449 			params->speed_cap_mask[link_cfg_idx];
3450 
3451 		params->phy[actual_phy_idx].req_duplex =
3452 			params->req_duplex[link_cfg_idx];
3453 
3454 		if (params->req_line_speed[link_cfg_idx] ==
3455 		    SPEED_AUTO_NEG)
3456 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3457 
3458 		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3459 			   " speed_cap_mask %x\n",
3460 			   params->phy[actual_phy_idx].req_flow_ctrl,
3461 			   params->phy[actual_phy_idx].req_line_speed,
3462 			   params->phy[actual_phy_idx].speed_cap_mask);
3463 	}
3464 }
3465 
3466 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3467 				    struct bnx2x_phy *phy,
3468 				    struct link_vars *vars)
3469 {
3470 	u16 val;
3471 	struct bnx2x *bp = params->bp;
3472 	/* Read modify write pause advertizing */
3473 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3474 
3475 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3476 
3477 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3478 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3479 	if ((vars->ieee_fc &
3480 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3481 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3482 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3483 	}
3484 	if ((vars->ieee_fc &
3485 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3486 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3487 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3488 	}
3489 	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3490 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3491 }
3492 
3493 static void bnx2x_pause_resolve(struct bnx2x_phy *phy,
3494 				struct link_params *params,
3495 				struct link_vars *vars,
3496 				u32 pause_result)
3497 {
3498 	struct bnx2x *bp = params->bp;
3499 						/*  LD	    LP	 */
3500 	switch (pause_result) {			/* ASYM P ASYM P */
3501 	case 0xb:				/*   1  0   1  1 */
3502 		DP(NETIF_MSG_LINK, "Flow Control: TX only\n");
3503 		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3504 		break;
3505 
3506 	case 0xe:				/*   1  1   1  0 */
3507 		DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
3508 		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3509 		break;
3510 
3511 	case 0x5:				/*   0  1   0  1 */
3512 	case 0x7:				/*   0  1   1  1 */
3513 	case 0xd:				/*   1  1   0  1 */
3514 	case 0xf:				/*   1  1   1  1 */
3515 		/* If the user selected to advertise RX ONLY,
3516 		 * although we advertised both, need to enable
3517 		 * RX only.
3518 		 */
3519 		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
3520 			DP(NETIF_MSG_LINK, "Flow Control: RX & TX\n");
3521 			vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3522 		} else {
3523 			DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
3524 			vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3525 		}
3526 		break;
3527 
3528 	default:
3529 		DP(NETIF_MSG_LINK, "Flow Control: None\n");
3530 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3531 		break;
3532 	}
3533 	if (pause_result & (1<<0))
3534 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3535 	if (pause_result & (1<<1))
3536 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3537 
3538 }
3539 
3540 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3541 					struct link_params *params,
3542 					struct link_vars *vars)
3543 {
3544 	u16 ld_pause;		/* local */
3545 	u16 lp_pause;		/* link partner */
3546 	u16 pause_result;
3547 	struct bnx2x *bp = params->bp;
3548 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3549 		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3550 		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3551 	} else if (CHIP_IS_E3(bp) &&
3552 		SINGLE_MEDIA_DIRECT(params)) {
3553 		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3554 		u16 gp_status, gp_mask;
3555 		bnx2x_cl45_read(bp, phy,
3556 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3557 				&gp_status);
3558 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3559 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3560 			lane;
3561 		if ((gp_status & gp_mask) == gp_mask) {
3562 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3563 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3564 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3565 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3566 		} else {
3567 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3568 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3569 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3570 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3571 			ld_pause = ((ld_pause &
3572 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3573 				    << 3);
3574 			lp_pause = ((lp_pause &
3575 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3576 				    << 3);
3577 		}
3578 	} else {
3579 		bnx2x_cl45_read(bp, phy,
3580 				MDIO_AN_DEVAD,
3581 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3582 		bnx2x_cl45_read(bp, phy,
3583 				MDIO_AN_DEVAD,
3584 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3585 	}
3586 	pause_result = (ld_pause &
3587 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3588 	pause_result |= (lp_pause &
3589 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3590 	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3591 	bnx2x_pause_resolve(phy, params, vars, pause_result);
3592 
3593 }
3594 
3595 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3596 				   struct link_params *params,
3597 				   struct link_vars *vars)
3598 {
3599 	u8 ret = 0;
3600 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3601 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3602 		/* Update the advertised flow-controled of LD/LP in AN */
3603 		if (phy->req_line_speed == SPEED_AUTO_NEG)
3604 			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3605 		/* But set the flow-control result as the requested one */
3606 		vars->flow_ctrl = phy->req_flow_ctrl;
3607 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3608 		vars->flow_ctrl = params->req_fc_auto_adv;
3609 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3610 		ret = 1;
3611 		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3612 	}
3613 	return ret;
3614 }
3615 /******************************************************************/
3616 /*			Warpcore section			  */
3617 /******************************************************************/
3618 /* The init_internal_warpcore should mirror the xgxs,
3619  * i.e. reset the lane (if needed), set aer for the
3620  * init configuration, and set/clear SGMII flag. Internal
3621  * phy init is done purely in phy_init stage.
3622  */
3623 #define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
3624 	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3625 	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3626 	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
3627 	 (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
3628 
3629 #define WC_TX_FIR(post, main, pre) \
3630 	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3631 	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3632 	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3633 
3634 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3635 					 struct link_params *params,
3636 					 struct link_vars *vars)
3637 {
3638 	struct bnx2x *bp = params->bp;
3639 	u16 i;
3640 	static struct bnx2x_reg_set reg_set[] = {
3641 		/* Step 1 - Program the TX/RX alignment markers */
3642 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3643 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3644 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3645 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3646 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3647 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3648 		/* Step 2 - Configure the NP registers */
3649 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3650 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3651 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3652 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3653 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3654 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3655 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3656 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3657 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3658 	};
3659 	DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3660 
3661 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3662 				 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3663 
3664 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3665 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3666 				 reg_set[i].val);
3667 
3668 	/* Start KR2 work-around timer which handles BCM8073 link-parner */
3669 	params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3670 	bnx2x_update_link_attr(params, params->link_attr_sync);
3671 }
3672 
3673 static void bnx2x_disable_kr2(struct link_params *params,
3674 			      struct link_vars *vars,
3675 			      struct bnx2x_phy *phy)
3676 {
3677 	struct bnx2x *bp = params->bp;
3678 	int i;
3679 	static struct bnx2x_reg_set reg_set[] = {
3680 		/* Step 1 - Program the TX/RX alignment markers */
3681 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3682 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3683 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3684 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3685 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3686 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3687 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3688 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3689 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3690 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3691 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3692 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3693 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3694 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3695 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3696 	};
3697 	DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3698 
3699 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3700 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3701 				 reg_set[i].val);
3702 	params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3703 	bnx2x_update_link_attr(params, params->link_attr_sync);
3704 
3705 	vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3706 }
3707 
3708 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3709 					       struct link_params *params)
3710 {
3711 	struct bnx2x *bp = params->bp;
3712 
3713 	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3714 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3715 			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3716 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3717 				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3718 }
3719 
3720 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3721 					 struct link_params *params)
3722 {
3723 	/* Restart autoneg on the leading lane only */
3724 	struct bnx2x *bp = params->bp;
3725 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
3726 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3727 			  MDIO_AER_BLOCK_AER_REG, lane);
3728 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3729 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3730 
3731 	/* Restore AER */
3732 	bnx2x_set_aer_mmd(params, phy);
3733 }
3734 
3735 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3736 					struct link_params *params,
3737 					struct link_vars *vars) {
3738 	u16 lane, i, cl72_ctrl, an_adv = 0, val;
3739 	u32 wc_lane_config;
3740 	struct bnx2x *bp = params->bp;
3741 	static struct bnx2x_reg_set reg_set[] = {
3742 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3743 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3744 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3745 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3746 		/* Disable Autoneg: re-enable it after adv is done. */
3747 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3748 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3749 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3750 	};
3751 	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3752 	/* Set to default registers that may be overriden by 10G force */
3753 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3754 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3755 				 reg_set[i].val);
3756 
3757 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3758 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3759 	cl72_ctrl &= 0x08ff;
3760 	cl72_ctrl |= 0x3800;
3761 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3762 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3763 
3764 	/* Check adding advertisement for 1G KX */
3765 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3766 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3767 	    (vars->line_speed == SPEED_1000)) {
3768 		u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3769 		an_adv |= (1<<5);
3770 
3771 		/* Enable CL37 1G Parallel Detect */
3772 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3773 		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3774 	}
3775 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3776 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3777 	    (vars->line_speed ==  SPEED_10000)) {
3778 		/* Check adding advertisement for 10G KR */
3779 		an_adv |= (1<<7);
3780 		/* Enable 10G Parallel Detect */
3781 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3782 				  MDIO_AER_BLOCK_AER_REG, 0);
3783 
3784 		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3785 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3786 		bnx2x_set_aer_mmd(params, phy);
3787 		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3788 	}
3789 
3790 	/* Set Transmit PMD settings */
3791 	lane = bnx2x_get_warpcore_lane(phy, params);
3792 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3793 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3794 			 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3795 	/* Configure the next lane if dual mode */
3796 	if (phy->flags & FLAGS_WC_DUAL_MODE)
3797 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3798 				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3799 				 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3800 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3801 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3802 			 0x03f0);
3803 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3804 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3805 			 0x03f0);
3806 
3807 	/* Advertised speeds */
3808 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3809 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3810 
3811 	/* Advertised and set FEC (Forward Error Correction) */
3812 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3813 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3814 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3815 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3816 
3817 	/* Enable CL37 BAM */
3818 	if (REG_RD(bp, params->shmem_base +
3819 		   offsetof(struct shmem_region, dev_info.
3820 			    port_hw_config[params->port].default_cfg)) &
3821 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3822 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3823 					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3824 					 1);
3825 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3826 	}
3827 
3828 	/* Advertise pause */
3829 	bnx2x_ext_phy_set_pause(params, phy, vars);
3830 	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3831 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3832 				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3833 
3834 	/* Over 1G - AN local device user page 1 */
3835 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3836 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3837 
3838 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3839 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3840 	    (phy->req_line_speed == SPEED_20000)) {
3841 
3842 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3843 				  MDIO_AER_BLOCK_AER_REG, lane);
3844 
3845 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3846 					 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3847 					 (1<<11));
3848 
3849 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3850 				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3851 		bnx2x_set_aer_mmd(params, phy);
3852 
3853 		bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3854 	} else {
3855 		/* Enable Auto-Detect to support 1G over CL37 as well */
3856 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3857 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3858 		wc_lane_config = REG_RD(bp, params->shmem_base +
3859 					offsetof(struct shmem_region, dev_info.
3860 					shared_hw_config.wc_lane_config));
3861 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3862 				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
3863 		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
3864 		 * parallel-detect loop when CL73 and CL37 are enabled.
3865 		 */
3866 		val |= 1 << 11;
3867 
3868 		/* Restore Polarity settings in case it was run over by
3869 		 * previous link owner
3870 		 */
3871 		if (wc_lane_config &
3872 		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
3873 			val |= 3 << 2;
3874 		else
3875 			val &= ~(3 << 2);
3876 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3877 				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
3878 				 val);
3879 
3880 		bnx2x_disable_kr2(params, vars, phy);
3881 	}
3882 
3883 	/* Enable Autoneg: only on the main lane */
3884 	bnx2x_warpcore_restart_AN_KR(phy, params);
3885 }
3886 
3887 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3888 				      struct link_params *params,
3889 				      struct link_vars *vars)
3890 {
3891 	struct bnx2x *bp = params->bp;
3892 	u16 val16, i, lane;
3893 	static struct bnx2x_reg_set reg_set[] = {
3894 		/* Disable Autoneg */
3895 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3896 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3897 			0x3f00},
3898 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3899 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3900 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3901 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3902 		/* Leave cl72 training enable, needed for KR */
3903 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3904 	};
3905 
3906 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3907 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3908 				 reg_set[i].val);
3909 
3910 	lane = bnx2x_get_warpcore_lane(phy, params);
3911 	/* Global registers */
3912 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3913 			  MDIO_AER_BLOCK_AER_REG, 0);
3914 	/* Disable CL36 PCS Tx */
3915 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3916 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3917 	val16 &= ~(0x0011 << lane);
3918 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3919 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3920 
3921 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3922 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3923 	val16 |= (0x0303 << (lane << 1));
3924 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3925 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3926 	/* Restore AER */
3927 	bnx2x_set_aer_mmd(params, phy);
3928 	/* Set speed via PMA/PMD register */
3929 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3930 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3931 
3932 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3933 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3934 
3935 	/* Enable encoded forced speed */
3936 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3937 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3938 
3939 	/* Turn TX scramble payload only the 64/66 scrambler */
3940 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3941 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3942 
3943 	/* Turn RX scramble payload only the 64/66 scrambler */
3944 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3945 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3946 
3947 	/* Set and clear loopback to cause a reset to 64/66 decoder */
3948 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3949 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3950 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3951 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3952 
3953 }
3954 
3955 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3956 				       struct link_params *params,
3957 				       u8 is_xfi)
3958 {
3959 	struct bnx2x *bp = params->bp;
3960 	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3961 	u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3962 	u32 ifir_val, ipost2_val, ipre_driver_val;
3963 
3964 	/* Hold rxSeqStart */
3965 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3966 				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3967 
3968 	/* Hold tx_fifo_reset */
3969 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3970 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3971 
3972 	/* Disable CL73 AN */
3973 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3974 
3975 	/* Disable 100FX Enable and Auto-Detect */
3976 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3977 				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3978 
3979 	/* Disable 100FX Idle detect */
3980 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3981 				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3982 
3983 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3984 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3985 				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3986 
3987 	/* Turn off auto-detect & fiber mode */
3988 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3989 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3990 				  0xFFEE);
3991 
3992 	/* Set filter_force_link, disable_false_link and parallel_detect */
3993 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3994 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3995 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3996 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3997 			 ((val | 0x0006) & 0xFFFE));
3998 
3999 	/* Set XFI / SFI */
4000 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4001 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4002 
4003 	misc1_val &= ~(0x1f);
4004 
4005 	if (is_xfi) {
4006 		misc1_val |= 0x5;
4007 		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4008 		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
4009 	} else {
4010 		cfg_tap_val = REG_RD(bp, params->shmem_base +
4011 				     offsetof(struct shmem_region, dev_info.
4012 					      port_hw_config[params->port].
4013 					      sfi_tap_values));
4014 
4015 		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4016 
4017 		misc1_val |= 0x9;
4018 
4019 		/* TAP values are controlled by nvram, if value there isn't 0 */
4020 		if (tx_equal)
4021 			tap_val = (u16)tx_equal;
4022 		else
4023 			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4024 
4025 		ifir_val = DEFAULT_TX_DRV_IFIR;
4026 		ipost2_val = DEFAULT_TX_DRV_POST2;
4027 		ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
4028 		tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
4029 
4030 		/* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
4031 		 * configuration.
4032 		 */
4033 		if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
4034 				   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
4035 				   PORT_HW_CFG_TX_DRV_POST2_MASK)) {
4036 			ifir_val = (cfg_tap_val &
4037 				    PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
4038 				PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
4039 			ipre_driver_val = (cfg_tap_val &
4040 					   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
4041 			>> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
4042 			ipost2_val = (cfg_tap_val &
4043 				      PORT_HW_CFG_TX_DRV_POST2_MASK) >>
4044 				PORT_HW_CFG_TX_DRV_POST2_SHIFT;
4045 		}
4046 
4047 		if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
4048 			tx_drv_brdct = (cfg_tap_val &
4049 					PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4050 				PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4051 		}
4052 
4053 		tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
4054 					     ipre_driver_val, ifir_val);
4055 	}
4056 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4057 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4058 
4059 	/* Set Transmit PMD settings */
4060 	lane = bnx2x_get_warpcore_lane(phy, params);
4061 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4062 			 MDIO_WC_REG_TX_FIR_TAP,
4063 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4064 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4065 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4066 			 tx_driver_val);
4067 
4068 	/* Enable fiber mode, enable and invert sig_det */
4069 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4070 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4071 
4072 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4073 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4074 				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4075 
4076 	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4077 
4078 	/* 10G XFI Full Duplex */
4079 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4080 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4081 
4082 	/* Release tx_fifo_reset */
4083 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4084 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4085 				  0xFFFE);
4086 	/* Release rxSeqStart */
4087 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4088 				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4089 }
4090 
4091 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4092 					     struct link_params *params)
4093 {
4094 	u16 val;
4095 	struct bnx2x *bp = params->bp;
4096 	/* Set global registers, so set AER lane to 0 */
4097 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4098 			  MDIO_AER_BLOCK_AER_REG, 0);
4099 
4100 	/* Disable sequencer */
4101 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4102 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4103 
4104 	bnx2x_set_aer_mmd(params, phy);
4105 
4106 	bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4107 				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4108 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4109 			 MDIO_AN_REG_CTRL, 0);
4110 	/* Turn off CL73 */
4111 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4112 			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4113 	val &= ~(1<<5);
4114 	val |= (1<<6);
4115 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4116 			 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4117 
4118 	/* Set 20G KR2 force speed */
4119 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4120 				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4121 
4122 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4123 				 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4124 
4125 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4126 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4127 	val &= ~(3<<14);
4128 	val |= (1<<15);
4129 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4130 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4131 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4132 			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4133 
4134 	/* Enable sequencer (over lane 0) */
4135 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4136 			  MDIO_AER_BLOCK_AER_REG, 0);
4137 
4138 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4139 				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4140 
4141 	bnx2x_set_aer_mmd(params, phy);
4142 }
4143 
4144 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4145 					 struct bnx2x_phy *phy,
4146 					 u16 lane)
4147 {
4148 	/* Rx0 anaRxControl1G */
4149 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4150 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4151 
4152 	/* Rx2 anaRxControl1G */
4153 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4154 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4155 
4156 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4157 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4158 
4159 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4160 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4161 
4162 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4163 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4164 
4165 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4166 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4167 
4168 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4170 
4171 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4172 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4173 
4174 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4175 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4176 
4177 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4178 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4179 
4180 	/* Serdes Digital Misc1 */
4181 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4182 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4183 
4184 	/* Serdes Digital4 Misc3 */
4185 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4186 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4187 
4188 	/* Set Transmit PMD settings */
4189 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4190 			 MDIO_WC_REG_TX_FIR_TAP,
4191 			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4192 			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4193 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4194 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4195 			 WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
4196 }
4197 
4198 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4199 					   struct link_params *params,
4200 					   u8 fiber_mode,
4201 					   u8 always_autoneg)
4202 {
4203 	struct bnx2x *bp = params->bp;
4204 	u16 val16, digctrl_kx1, digctrl_kx2;
4205 
4206 	/* Clear XFI clock comp in non-10G single lane mode. */
4207 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4208 				  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4209 
4210 	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4211 
4212 	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4213 		/* SGMII Autoneg */
4214 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4215 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4216 					 0x1000);
4217 		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4218 	} else {
4219 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4220 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4221 		val16 &= 0xcebf;
4222 		switch (phy->req_line_speed) {
4223 		case SPEED_10:
4224 			break;
4225 		case SPEED_100:
4226 			val16 |= 0x2000;
4227 			break;
4228 		case SPEED_1000:
4229 			val16 |= 0x0040;
4230 			break;
4231 		default:
4232 			DP(NETIF_MSG_LINK,
4233 			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4234 			return;
4235 		}
4236 
4237 		if (phy->req_duplex == DUPLEX_FULL)
4238 			val16 |= 0x0100;
4239 
4240 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4241 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4242 
4243 		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4244 			       phy->req_line_speed);
4245 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4246 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4247 		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4248 	}
4249 
4250 	/* SGMII Slave mode and disable signal detect */
4251 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4252 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4253 	if (fiber_mode)
4254 		digctrl_kx1 = 1;
4255 	else
4256 		digctrl_kx1 &= 0xff4a;
4257 
4258 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4259 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4260 			digctrl_kx1);
4261 
4262 	/* Turn off parallel detect */
4263 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4264 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4265 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4266 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4267 			(digctrl_kx2 & ~(1<<2)));
4268 
4269 	/* Re-enable parallel detect */
4270 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4271 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4272 			(digctrl_kx2 | (1<<2)));
4273 
4274 	/* Enable autodet */
4275 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4276 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4277 			(digctrl_kx1 | 0x10));
4278 }
4279 
4280 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4281 				      struct bnx2x_phy *phy,
4282 				      u8 reset)
4283 {
4284 	u16 val;
4285 	/* Take lane out of reset after configuration is finished */
4286 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4287 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4288 	if (reset)
4289 		val |= 0xC000;
4290 	else
4291 		val &= 0x3FFF;
4292 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4293 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4294 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4295 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4296 }
4297 /* Clear SFI/XFI link settings registers */
4298 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4299 				      struct link_params *params,
4300 				      u16 lane)
4301 {
4302 	struct bnx2x *bp = params->bp;
4303 	u16 i;
4304 	static struct bnx2x_reg_set wc_regs[] = {
4305 		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4306 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4307 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4308 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4309 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4310 			0x0195},
4311 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4312 			0x0007},
4313 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4314 			0x0002},
4315 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4316 		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4317 		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4318 		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4319 	};
4320 	/* Set XFI clock comp as default. */
4321 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4322 				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4323 
4324 	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4325 		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4326 				 wc_regs[i].val);
4327 
4328 	lane = bnx2x_get_warpcore_lane(phy, params);
4329 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4330 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4331 
4332 }
4333 
4334 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4335 						u32 chip_id,
4336 						u32 shmem_base, u8 port,
4337 						u8 *gpio_num, u8 *gpio_port)
4338 {
4339 	u32 cfg_pin;
4340 	*gpio_num = 0;
4341 	*gpio_port = 0;
4342 	if (CHIP_IS_E3(bp)) {
4343 		cfg_pin = (REG_RD(bp, shmem_base +
4344 				offsetof(struct shmem_region,
4345 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4346 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4347 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4348 
4349 		/* Should not happen. This function called upon interrupt
4350 		 * triggered by GPIO ( since EPIO can only generate interrupts
4351 		 * to MCP).
4352 		 * So if this function was called and none of the GPIOs was set,
4353 		 * it means the shit hit the fan.
4354 		 */
4355 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4356 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4357 			DP(NETIF_MSG_LINK,
4358 			   "No cfg pin %x for module detect indication\n",
4359 			   cfg_pin);
4360 			return -EINVAL;
4361 		}
4362 
4363 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4364 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4365 	} else {
4366 		*gpio_num = MISC_REGISTERS_GPIO_3;
4367 		*gpio_port = port;
4368 	}
4369 
4370 	return 0;
4371 }
4372 
4373 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4374 				       struct link_params *params)
4375 {
4376 	struct bnx2x *bp = params->bp;
4377 	u8 gpio_num, gpio_port;
4378 	u32 gpio_val;
4379 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4380 				      params->shmem_base, params->port,
4381 				      &gpio_num, &gpio_port) != 0)
4382 		return 0;
4383 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4384 
4385 	/* Call the handling function in case module is detected */
4386 	if (gpio_val == 0)
4387 		return 1;
4388 	else
4389 		return 0;
4390 }
4391 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4392 				     struct link_params *params)
4393 {
4394 	u16 gp2_status_reg0, lane;
4395 	struct bnx2x *bp = params->bp;
4396 
4397 	lane = bnx2x_get_warpcore_lane(phy, params);
4398 
4399 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4400 				 &gp2_status_reg0);
4401 
4402 	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4403 }
4404 
4405 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4406 					  struct link_params *params,
4407 					  struct link_vars *vars)
4408 {
4409 	struct bnx2x *bp = params->bp;
4410 	u32 serdes_net_if;
4411 	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4412 
4413 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4414 
4415 	if (!vars->turn_to_run_wc_rt)
4416 		return;
4417 
4418 	if (vars->rx_tx_asic_rst) {
4419 		u16 lane = bnx2x_get_warpcore_lane(phy, params);
4420 		serdes_net_if = (REG_RD(bp, params->shmem_base +
4421 				offsetof(struct shmem_region, dev_info.
4422 				port_hw_config[params->port].default_cfg)) &
4423 				PORT_HW_CFG_NET_SERDES_IF_MASK);
4424 
4425 		switch (serdes_net_if) {
4426 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4427 			/* Do we get link yet? */
4428 			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4429 					&gp_status1);
4430 			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4431 				/*10G KR*/
4432 			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4433 
4434 			if (lnkup_kr || lnkup) {
4435 				vars->rx_tx_asic_rst = 0;
4436 			} else {
4437 				/* Reset the lane to see if link comes up.*/
4438 				bnx2x_warpcore_reset_lane(bp, phy, 1);
4439 				bnx2x_warpcore_reset_lane(bp, phy, 0);
4440 
4441 				/* Restart Autoneg */
4442 				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4443 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4444 
4445 				vars->rx_tx_asic_rst--;
4446 				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4447 				vars->rx_tx_asic_rst);
4448 			}
4449 			break;
4450 
4451 		default:
4452 			break;
4453 		}
4454 
4455 	} /*params->rx_tx_asic_rst*/
4456 
4457 }
4458 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4459 				      struct link_params *params)
4460 {
4461 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4462 	struct bnx2x *bp = params->bp;
4463 	bnx2x_warpcore_clear_regs(phy, params, lane);
4464 	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4465 	     SPEED_10000) &&
4466 	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4467 		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4468 		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4469 	} else {
4470 		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4471 		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4472 	}
4473 }
4474 
4475 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4476 					 struct bnx2x_phy *phy,
4477 					 u8 tx_en)
4478 {
4479 	struct bnx2x *bp = params->bp;
4480 	u32 cfg_pin;
4481 	u8 port = params->port;
4482 
4483 	cfg_pin = REG_RD(bp, params->shmem_base +
4484 			 offsetof(struct shmem_region,
4485 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4486 		PORT_HW_CFG_E3_TX_LASER_MASK;
4487 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4488 	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4489 
4490 	/* For 20G, the expected pin to be used is 3 pins after the current */
4491 	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4492 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4493 		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4494 }
4495 
4496 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4497 				       struct link_params *params,
4498 				       struct link_vars *vars)
4499 {
4500 	struct bnx2x *bp = params->bp;
4501 	u32 serdes_net_if;
4502 	u8 fiber_mode;
4503 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4504 	serdes_net_if = (REG_RD(bp, params->shmem_base +
4505 			 offsetof(struct shmem_region, dev_info.
4506 				  port_hw_config[params->port].default_cfg)) &
4507 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4508 	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4509 			   "serdes_net_if = 0x%x\n",
4510 		       vars->line_speed, serdes_net_if);
4511 	bnx2x_set_aer_mmd(params, phy);
4512 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4513 	vars->phy_flags |= PHY_XGXS_FLAG;
4514 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4515 	    (phy->req_line_speed &&
4516 	     ((phy->req_line_speed == SPEED_100) ||
4517 	      (phy->req_line_speed == SPEED_10)))) {
4518 		vars->phy_flags |= PHY_SGMII_FLAG;
4519 		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4520 		bnx2x_warpcore_clear_regs(phy, params, lane);
4521 		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4522 	} else {
4523 		switch (serdes_net_if) {
4524 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4525 			/* Enable KR Auto Neg */
4526 			if (params->loopback_mode != LOOPBACK_EXT)
4527 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4528 			else {
4529 				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4530 				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4531 			}
4532 			break;
4533 
4534 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4535 			bnx2x_warpcore_clear_regs(phy, params, lane);
4536 			if (vars->line_speed == SPEED_10000) {
4537 				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4538 				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4539 			} else {
4540 				if (SINGLE_MEDIA_DIRECT(params)) {
4541 					DP(NETIF_MSG_LINK, "1G Fiber\n");
4542 					fiber_mode = 1;
4543 				} else {
4544 					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4545 					fiber_mode = 0;
4546 				}
4547 				bnx2x_warpcore_set_sgmii_speed(phy,
4548 								params,
4549 								fiber_mode,
4550 								0);
4551 			}
4552 
4553 			break;
4554 
4555 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4556 			/* Issue Module detection if module is plugged, or
4557 			 * enabled transmitter to avoid current leakage in case
4558 			 * no module is connected
4559 			 */
4560 			if ((params->loopback_mode == LOOPBACK_NONE) ||
4561 			    (params->loopback_mode == LOOPBACK_EXT)) {
4562 				if (bnx2x_is_sfp_module_plugged(phy, params))
4563 					bnx2x_sfp_module_detection(phy, params);
4564 				else
4565 					bnx2x_sfp_e3_set_transmitter(params,
4566 								     phy, 1);
4567 			}
4568 
4569 			bnx2x_warpcore_config_sfi(phy, params);
4570 			break;
4571 
4572 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4573 			if (vars->line_speed != SPEED_20000) {
4574 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4575 				return;
4576 			}
4577 			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4578 			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4579 			/* Issue Module detection */
4580 
4581 			bnx2x_sfp_module_detection(phy, params);
4582 			break;
4583 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4584 			if (!params->loopback_mode) {
4585 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4586 			} else {
4587 				DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4588 				bnx2x_warpcore_set_20G_force_KR2(phy, params);
4589 			}
4590 			break;
4591 		default:
4592 			DP(NETIF_MSG_LINK,
4593 			   "Unsupported Serdes Net Interface 0x%x\n",
4594 			   serdes_net_if);
4595 			return;
4596 		}
4597 	}
4598 
4599 	/* Take lane out of reset after configuration is finished */
4600 	bnx2x_warpcore_reset_lane(bp, phy, 0);
4601 	DP(NETIF_MSG_LINK, "Exit config init\n");
4602 }
4603 
4604 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4605 				      struct link_params *params)
4606 {
4607 	struct bnx2x *bp = params->bp;
4608 	u16 val16, lane;
4609 	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4610 	bnx2x_set_mdio_emac_per_phy(bp, params);
4611 	bnx2x_set_aer_mmd(params, phy);
4612 	/* Global register */
4613 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4614 
4615 	/* Clear loopback settings (if any) */
4616 	/* 10G & 20G */
4617 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4618 				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4619 
4620 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4621 				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4622 
4623 	/* Update those 1-copy registers */
4624 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4625 			  MDIO_AER_BLOCK_AER_REG, 0);
4626 	/* Enable 1G MDIO (1-copy) */
4627 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4628 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4629 				  ~0x10);
4630 
4631 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4632 				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4633 	lane = bnx2x_get_warpcore_lane(phy, params);
4634 	/* Disable CL36 PCS Tx */
4635 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4636 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4637 	val16 |= (0x11 << lane);
4638 	if (phy->flags & FLAGS_WC_DUAL_MODE)
4639 		val16 |= (0x22 << lane);
4640 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4641 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4642 
4643 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4644 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4645 	val16 &= ~(0x0303 << (lane << 1));
4646 	val16 |= (0x0101 << (lane << 1));
4647 	if (phy->flags & FLAGS_WC_DUAL_MODE) {
4648 		val16 &= ~(0x0c0c << (lane << 1));
4649 		val16 |= (0x0404 << (lane << 1));
4650 	}
4651 
4652 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4653 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4654 	/* Restore AER */
4655 	bnx2x_set_aer_mmd(params, phy);
4656 
4657 }
4658 
4659 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4660 					struct link_params *params)
4661 {
4662 	struct bnx2x *bp = params->bp;
4663 	u16 val16;
4664 	u32 lane;
4665 	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4666 		       params->loopback_mode, phy->req_line_speed);
4667 
4668 	if (phy->req_line_speed < SPEED_10000 ||
4669 	    phy->supported & SUPPORTED_20000baseKR2_Full) {
4670 		/* 10/100/1000/20G-KR2 */
4671 
4672 		/* Update those 1-copy registers */
4673 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4674 				  MDIO_AER_BLOCK_AER_REG, 0);
4675 		/* Enable 1G MDIO (1-copy) */
4676 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4677 					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4678 					 0x10);
4679 		/* Set 1G loopback based on lane (1-copy) */
4680 		lane = bnx2x_get_warpcore_lane(phy, params);
4681 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4682 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4683 		val16 |= (1<<lane);
4684 		if (phy->flags & FLAGS_WC_DUAL_MODE)
4685 			val16 |= (2<<lane);
4686 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4687 				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4688 				 val16);
4689 
4690 		/* Switch back to 4-copy registers */
4691 		bnx2x_set_aer_mmd(params, phy);
4692 	} else {
4693 		/* 10G / 20G-DXGXS */
4694 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4695 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4696 					 0x4000);
4697 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4698 					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4699 	}
4700 }
4701 
4702 
4703 
4704 static void bnx2x_sync_link(struct link_params *params,
4705 			     struct link_vars *vars)
4706 {
4707 	struct bnx2x *bp = params->bp;
4708 	u8 link_10g_plus;
4709 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4710 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4711 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4712 	if (vars->link_up) {
4713 		DP(NETIF_MSG_LINK, "phy link up\n");
4714 
4715 		vars->phy_link_up = 1;
4716 		vars->duplex = DUPLEX_FULL;
4717 		switch (vars->link_status &
4718 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4719 		case LINK_10THD:
4720 			vars->duplex = DUPLEX_HALF;
4721 			/* Fall thru */
4722 		case LINK_10TFD:
4723 			vars->line_speed = SPEED_10;
4724 			break;
4725 
4726 		case LINK_100TXHD:
4727 			vars->duplex = DUPLEX_HALF;
4728 			/* Fall thru */
4729 		case LINK_100T4:
4730 		case LINK_100TXFD:
4731 			vars->line_speed = SPEED_100;
4732 			break;
4733 
4734 		case LINK_1000THD:
4735 			vars->duplex = DUPLEX_HALF;
4736 			/* Fall thru */
4737 		case LINK_1000TFD:
4738 			vars->line_speed = SPEED_1000;
4739 			break;
4740 
4741 		case LINK_2500THD:
4742 			vars->duplex = DUPLEX_HALF;
4743 			/* Fall thru */
4744 		case LINK_2500TFD:
4745 			vars->line_speed = SPEED_2500;
4746 			break;
4747 
4748 		case LINK_10GTFD:
4749 			vars->line_speed = SPEED_10000;
4750 			break;
4751 		case LINK_20GTFD:
4752 			vars->line_speed = SPEED_20000;
4753 			break;
4754 		default:
4755 			break;
4756 		}
4757 		vars->flow_ctrl = 0;
4758 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4759 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4760 
4761 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4762 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4763 
4764 		if (!vars->flow_ctrl)
4765 			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4766 
4767 		if (vars->line_speed &&
4768 		    ((vars->line_speed == SPEED_10) ||
4769 		     (vars->line_speed == SPEED_100))) {
4770 			vars->phy_flags |= PHY_SGMII_FLAG;
4771 		} else {
4772 			vars->phy_flags &= ~PHY_SGMII_FLAG;
4773 		}
4774 		if (vars->line_speed &&
4775 		    USES_WARPCORE(bp) &&
4776 		    (vars->line_speed == SPEED_1000))
4777 			vars->phy_flags |= PHY_SGMII_FLAG;
4778 		/* Anything 10 and over uses the bmac */
4779 		link_10g_plus = (vars->line_speed >= SPEED_10000);
4780 
4781 		if (link_10g_plus) {
4782 			if (USES_WARPCORE(bp))
4783 				vars->mac_type = MAC_TYPE_XMAC;
4784 			else
4785 				vars->mac_type = MAC_TYPE_BMAC;
4786 		} else {
4787 			if (USES_WARPCORE(bp))
4788 				vars->mac_type = MAC_TYPE_UMAC;
4789 			else
4790 				vars->mac_type = MAC_TYPE_EMAC;
4791 		}
4792 	} else { /* Link down */
4793 		DP(NETIF_MSG_LINK, "phy link down\n");
4794 
4795 		vars->phy_link_up = 0;
4796 
4797 		vars->line_speed = 0;
4798 		vars->duplex = DUPLEX_FULL;
4799 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4800 
4801 		/* Indicate no mac active */
4802 		vars->mac_type = MAC_TYPE_NONE;
4803 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4804 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4805 		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4806 			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4807 	}
4808 }
4809 
4810 void bnx2x_link_status_update(struct link_params *params,
4811 			      struct link_vars *vars)
4812 {
4813 	struct bnx2x *bp = params->bp;
4814 	u8 port = params->port;
4815 	u32 sync_offset, media_types;
4816 	/* Update PHY configuration */
4817 	set_phy_vars(params, vars);
4818 
4819 	vars->link_status = REG_RD(bp, params->shmem_base +
4820 				   offsetof(struct shmem_region,
4821 					    port_mb[port].link_status));
4822 
4823 	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4824 	if (params->loopback_mode != LOOPBACK_NONE &&
4825 	    params->loopback_mode != LOOPBACK_EXT)
4826 		vars->link_status |= LINK_STATUS_LINK_UP;
4827 
4828 	if (bnx2x_eee_has_cap(params))
4829 		vars->eee_status = REG_RD(bp, params->shmem2_base +
4830 					  offsetof(struct shmem2_region,
4831 						   eee_status[params->port]));
4832 
4833 	vars->phy_flags = PHY_XGXS_FLAG;
4834 	bnx2x_sync_link(params, vars);
4835 	/* Sync media type */
4836 	sync_offset = params->shmem_base +
4837 			offsetof(struct shmem_region,
4838 				 dev_info.port_hw_config[port].media_type);
4839 	media_types = REG_RD(bp, sync_offset);
4840 
4841 	params->phy[INT_PHY].media_type =
4842 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4843 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4844 	params->phy[EXT_PHY1].media_type =
4845 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4846 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4847 	params->phy[EXT_PHY2].media_type =
4848 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4849 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4850 	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4851 
4852 	/* Sync AEU offset */
4853 	sync_offset = params->shmem_base +
4854 			offsetof(struct shmem_region,
4855 				 dev_info.port_hw_config[port].aeu_int_mask);
4856 
4857 	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4858 
4859 	/* Sync PFC status */
4860 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4861 		params->feature_config_flags |=
4862 					FEATURE_CONFIG_PFC_ENABLED;
4863 	else
4864 		params->feature_config_flags &=
4865 					~FEATURE_CONFIG_PFC_ENABLED;
4866 
4867 	if (SHMEM2_HAS(bp, link_attr_sync))
4868 		params->link_attr_sync = SHMEM2_RD(bp,
4869 						 link_attr_sync[params->port]);
4870 
4871 	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4872 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4873 	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4874 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4875 }
4876 
4877 static void bnx2x_set_master_ln(struct link_params *params,
4878 				struct bnx2x_phy *phy)
4879 {
4880 	struct bnx2x *bp = params->bp;
4881 	u16 new_master_ln, ser_lane;
4882 	ser_lane = ((params->lane_config &
4883 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4884 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4885 
4886 	/* Set the master_ln for AN */
4887 	CL22_RD_OVER_CL45(bp, phy,
4888 			  MDIO_REG_BANK_XGXS_BLOCK2,
4889 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4890 			  &new_master_ln);
4891 
4892 	CL22_WR_OVER_CL45(bp, phy,
4893 			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4894 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4895 			  (new_master_ln | ser_lane));
4896 }
4897 
4898 static int bnx2x_reset_unicore(struct link_params *params,
4899 			       struct bnx2x_phy *phy,
4900 			       u8 set_serdes)
4901 {
4902 	struct bnx2x *bp = params->bp;
4903 	u16 mii_control;
4904 	u16 i;
4905 	CL22_RD_OVER_CL45(bp, phy,
4906 			  MDIO_REG_BANK_COMBO_IEEE0,
4907 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4908 
4909 	/* Reset the unicore */
4910 	CL22_WR_OVER_CL45(bp, phy,
4911 			  MDIO_REG_BANK_COMBO_IEEE0,
4912 			  MDIO_COMBO_IEEE0_MII_CONTROL,
4913 			  (mii_control |
4914 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4915 	if (set_serdes)
4916 		bnx2x_set_serdes_access(bp, params->port);
4917 
4918 	/* Wait for the reset to self clear */
4919 	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4920 		udelay(5);
4921 
4922 		/* The reset erased the previous bank value */
4923 		CL22_RD_OVER_CL45(bp, phy,
4924 				  MDIO_REG_BANK_COMBO_IEEE0,
4925 				  MDIO_COMBO_IEEE0_MII_CONTROL,
4926 				  &mii_control);
4927 
4928 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4929 			udelay(5);
4930 			return 0;
4931 		}
4932 	}
4933 
4934 	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4935 			      " Port %d\n",
4936 			 params->port);
4937 	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4938 	return -EINVAL;
4939 
4940 }
4941 
4942 static void bnx2x_set_swap_lanes(struct link_params *params,
4943 				 struct bnx2x_phy *phy)
4944 {
4945 	struct bnx2x *bp = params->bp;
4946 	/* Each two bits represents a lane number:
4947 	 * No swap is 0123 => 0x1b no need to enable the swap
4948 	 */
4949 	u16 rx_lane_swap, tx_lane_swap;
4950 
4951 	rx_lane_swap = ((params->lane_config &
4952 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4953 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4954 	tx_lane_swap = ((params->lane_config &
4955 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4956 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4957 
4958 	if (rx_lane_swap != 0x1b) {
4959 		CL22_WR_OVER_CL45(bp, phy,
4960 				  MDIO_REG_BANK_XGXS_BLOCK2,
4961 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4962 				  (rx_lane_swap |
4963 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4964 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4965 	} else {
4966 		CL22_WR_OVER_CL45(bp, phy,
4967 				  MDIO_REG_BANK_XGXS_BLOCK2,
4968 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4969 	}
4970 
4971 	if (tx_lane_swap != 0x1b) {
4972 		CL22_WR_OVER_CL45(bp, phy,
4973 				  MDIO_REG_BANK_XGXS_BLOCK2,
4974 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4975 				  (tx_lane_swap |
4976 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4977 	} else {
4978 		CL22_WR_OVER_CL45(bp, phy,
4979 				  MDIO_REG_BANK_XGXS_BLOCK2,
4980 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4981 	}
4982 }
4983 
4984 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4985 					 struct link_params *params)
4986 {
4987 	struct bnx2x *bp = params->bp;
4988 	u16 control2;
4989 	CL22_RD_OVER_CL45(bp, phy,
4990 			  MDIO_REG_BANK_SERDES_DIGITAL,
4991 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4992 			  &control2);
4993 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4994 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4995 	else
4996 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4997 	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4998 		phy->speed_cap_mask, control2);
4999 	CL22_WR_OVER_CL45(bp, phy,
5000 			  MDIO_REG_BANK_SERDES_DIGITAL,
5001 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5002 			  control2);
5003 
5004 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
5005 	     (phy->speed_cap_mask &
5006 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5007 		DP(NETIF_MSG_LINK, "XGXS\n");
5008 
5009 		CL22_WR_OVER_CL45(bp, phy,
5010 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5011 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5012 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
5013 
5014 		CL22_RD_OVER_CL45(bp, phy,
5015 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5016 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5017 				  &control2);
5018 
5019 
5020 		control2 |=
5021 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5022 
5023 		CL22_WR_OVER_CL45(bp, phy,
5024 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5025 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5026 				  control2);
5027 
5028 		/* Disable parallel detection of HiG */
5029 		CL22_WR_OVER_CL45(bp, phy,
5030 				  MDIO_REG_BANK_XGXS_BLOCK2,
5031 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5032 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5033 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5034 	}
5035 }
5036 
5037 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
5038 			      struct link_params *params,
5039 			      struct link_vars *vars,
5040 			      u8 enable_cl73)
5041 {
5042 	struct bnx2x *bp = params->bp;
5043 	u16 reg_val;
5044 
5045 	/* CL37 Autoneg */
5046 	CL22_RD_OVER_CL45(bp, phy,
5047 			  MDIO_REG_BANK_COMBO_IEEE0,
5048 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5049 
5050 	/* CL37 Autoneg Enabled */
5051 	if (vars->line_speed == SPEED_AUTO_NEG)
5052 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5053 	else /* CL37 Autoneg Disabled */
5054 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5055 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5056 
5057 	CL22_WR_OVER_CL45(bp, phy,
5058 			  MDIO_REG_BANK_COMBO_IEEE0,
5059 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5060 
5061 	/* Enable/Disable Autodetection */
5062 
5063 	CL22_RD_OVER_CL45(bp, phy,
5064 			  MDIO_REG_BANK_SERDES_DIGITAL,
5065 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5066 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5067 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5068 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5069 	if (vars->line_speed == SPEED_AUTO_NEG)
5070 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5071 	else
5072 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5073 
5074 	CL22_WR_OVER_CL45(bp, phy,
5075 			  MDIO_REG_BANK_SERDES_DIGITAL,
5076 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5077 
5078 	/* Enable TetonII and BAM autoneg */
5079 	CL22_RD_OVER_CL45(bp, phy,
5080 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5081 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5082 			  &reg_val);
5083 	if (vars->line_speed == SPEED_AUTO_NEG) {
5084 		/* Enable BAM aneg Mode and TetonII aneg Mode */
5085 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5086 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5087 	} else {
5088 		/* TetonII and BAM Autoneg Disabled */
5089 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5090 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5091 	}
5092 	CL22_WR_OVER_CL45(bp, phy,
5093 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5094 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5095 			  reg_val);
5096 
5097 	if (enable_cl73) {
5098 		/* Enable Cl73 FSM status bits */
5099 		CL22_WR_OVER_CL45(bp, phy,
5100 				  MDIO_REG_BANK_CL73_USERB0,
5101 				  MDIO_CL73_USERB0_CL73_UCTRL,
5102 				  0xe);
5103 
5104 		/* Enable BAM Station Manager*/
5105 		CL22_WR_OVER_CL45(bp, phy,
5106 			MDIO_REG_BANK_CL73_USERB0,
5107 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5108 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5109 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5110 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5111 
5112 		/* Advertise CL73 link speeds */
5113 		CL22_RD_OVER_CL45(bp, phy,
5114 				  MDIO_REG_BANK_CL73_IEEEB1,
5115 				  MDIO_CL73_IEEEB1_AN_ADV2,
5116 				  &reg_val);
5117 		if (phy->speed_cap_mask &
5118 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5119 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5120 		if (phy->speed_cap_mask &
5121 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5122 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5123 
5124 		CL22_WR_OVER_CL45(bp, phy,
5125 				  MDIO_REG_BANK_CL73_IEEEB1,
5126 				  MDIO_CL73_IEEEB1_AN_ADV2,
5127 				  reg_val);
5128 
5129 		/* CL73 Autoneg Enabled */
5130 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5131 
5132 	} else /* CL73 Autoneg Disabled */
5133 		reg_val = 0;
5134 
5135 	CL22_WR_OVER_CL45(bp, phy,
5136 			  MDIO_REG_BANK_CL73_IEEEB0,
5137 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5138 }
5139 
5140 /* Program SerDes, forced speed */
5141 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5142 				 struct link_params *params,
5143 				 struct link_vars *vars)
5144 {
5145 	struct bnx2x *bp = params->bp;
5146 	u16 reg_val;
5147 
5148 	/* Program duplex, disable autoneg and sgmii*/
5149 	CL22_RD_OVER_CL45(bp, phy,
5150 			  MDIO_REG_BANK_COMBO_IEEE0,
5151 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5152 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5153 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5154 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5155 	if (phy->req_duplex == DUPLEX_FULL)
5156 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5157 	CL22_WR_OVER_CL45(bp, phy,
5158 			  MDIO_REG_BANK_COMBO_IEEE0,
5159 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5160 
5161 	/* Program speed
5162 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5163 	 */
5164 	CL22_RD_OVER_CL45(bp, phy,
5165 			  MDIO_REG_BANK_SERDES_DIGITAL,
5166 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5167 	/* Clearing the speed value before setting the right speed */
5168 	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5169 
5170 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5171 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5172 
5173 	if (!((vars->line_speed == SPEED_1000) ||
5174 	      (vars->line_speed == SPEED_100) ||
5175 	      (vars->line_speed == SPEED_10))) {
5176 
5177 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5178 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5179 		if (vars->line_speed == SPEED_10000)
5180 			reg_val |=
5181 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5182 	}
5183 
5184 	CL22_WR_OVER_CL45(bp, phy,
5185 			  MDIO_REG_BANK_SERDES_DIGITAL,
5186 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5187 
5188 }
5189 
5190 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5191 					      struct link_params *params)
5192 {
5193 	struct bnx2x *bp = params->bp;
5194 	u16 val = 0;
5195 
5196 	/* Set extended capabilities */
5197 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5198 		val |= MDIO_OVER_1G_UP1_2_5G;
5199 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5200 		val |= MDIO_OVER_1G_UP1_10G;
5201 	CL22_WR_OVER_CL45(bp, phy,
5202 			  MDIO_REG_BANK_OVER_1G,
5203 			  MDIO_OVER_1G_UP1, val);
5204 
5205 	CL22_WR_OVER_CL45(bp, phy,
5206 			  MDIO_REG_BANK_OVER_1G,
5207 			  MDIO_OVER_1G_UP3, 0x400);
5208 }
5209 
5210 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5211 					      struct link_params *params,
5212 					      u16 ieee_fc)
5213 {
5214 	struct bnx2x *bp = params->bp;
5215 	u16 val;
5216 	/* For AN, we are always publishing full duplex */
5217 
5218 	CL22_WR_OVER_CL45(bp, phy,
5219 			  MDIO_REG_BANK_COMBO_IEEE0,
5220 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5221 	CL22_RD_OVER_CL45(bp, phy,
5222 			  MDIO_REG_BANK_CL73_IEEEB1,
5223 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5224 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5225 	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5226 	CL22_WR_OVER_CL45(bp, phy,
5227 			  MDIO_REG_BANK_CL73_IEEEB1,
5228 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5229 }
5230 
5231 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5232 				  struct link_params *params,
5233 				  u8 enable_cl73)
5234 {
5235 	struct bnx2x *bp = params->bp;
5236 	u16 mii_control;
5237 
5238 	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5239 	/* Enable and restart BAM/CL37 aneg */
5240 
5241 	if (enable_cl73) {
5242 		CL22_RD_OVER_CL45(bp, phy,
5243 				  MDIO_REG_BANK_CL73_IEEEB0,
5244 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5245 				  &mii_control);
5246 
5247 		CL22_WR_OVER_CL45(bp, phy,
5248 				  MDIO_REG_BANK_CL73_IEEEB0,
5249 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5250 				  (mii_control |
5251 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5252 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5253 	} else {
5254 
5255 		CL22_RD_OVER_CL45(bp, phy,
5256 				  MDIO_REG_BANK_COMBO_IEEE0,
5257 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5258 				  &mii_control);
5259 		DP(NETIF_MSG_LINK,
5260 			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5261 			 mii_control);
5262 		CL22_WR_OVER_CL45(bp, phy,
5263 				  MDIO_REG_BANK_COMBO_IEEE0,
5264 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5265 				  (mii_control |
5266 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5267 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5268 	}
5269 }
5270 
5271 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5272 					   struct link_params *params,
5273 					   struct link_vars *vars)
5274 {
5275 	struct bnx2x *bp = params->bp;
5276 	u16 control1;
5277 
5278 	/* In SGMII mode, the unicore is always slave */
5279 
5280 	CL22_RD_OVER_CL45(bp, phy,
5281 			  MDIO_REG_BANK_SERDES_DIGITAL,
5282 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5283 			  &control1);
5284 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5285 	/* Set sgmii mode (and not fiber) */
5286 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5287 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5288 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5289 	CL22_WR_OVER_CL45(bp, phy,
5290 			  MDIO_REG_BANK_SERDES_DIGITAL,
5291 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5292 			  control1);
5293 
5294 	/* If forced speed */
5295 	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5296 		/* Set speed, disable autoneg */
5297 		u16 mii_control;
5298 
5299 		CL22_RD_OVER_CL45(bp, phy,
5300 				  MDIO_REG_BANK_COMBO_IEEE0,
5301 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5302 				  &mii_control);
5303 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5304 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5305 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5306 
5307 		switch (vars->line_speed) {
5308 		case SPEED_100:
5309 			mii_control |=
5310 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5311 			break;
5312 		case SPEED_1000:
5313 			mii_control |=
5314 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5315 			break;
5316 		case SPEED_10:
5317 			/* There is nothing to set for 10M */
5318 			break;
5319 		default:
5320 			/* Invalid speed for SGMII */
5321 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5322 				  vars->line_speed);
5323 			break;
5324 		}
5325 
5326 		/* Setting the full duplex */
5327 		if (phy->req_duplex == DUPLEX_FULL)
5328 			mii_control |=
5329 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5330 		CL22_WR_OVER_CL45(bp, phy,
5331 				  MDIO_REG_BANK_COMBO_IEEE0,
5332 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5333 				  mii_control);
5334 
5335 	} else { /* AN mode */
5336 		/* Enable and restart AN */
5337 		bnx2x_restart_autoneg(phy, params, 0);
5338 	}
5339 }
5340 
5341 /* Link management
5342  */
5343 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5344 					     struct link_params *params)
5345 {
5346 	struct bnx2x *bp = params->bp;
5347 	u16 pd_10g, status2_1000x;
5348 	if (phy->req_line_speed != SPEED_AUTO_NEG)
5349 		return 0;
5350 	CL22_RD_OVER_CL45(bp, phy,
5351 			  MDIO_REG_BANK_SERDES_DIGITAL,
5352 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5353 			  &status2_1000x);
5354 	CL22_RD_OVER_CL45(bp, phy,
5355 			  MDIO_REG_BANK_SERDES_DIGITAL,
5356 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5357 			  &status2_1000x);
5358 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5359 		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5360 			 params->port);
5361 		return 1;
5362 	}
5363 
5364 	CL22_RD_OVER_CL45(bp, phy,
5365 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5366 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5367 			  &pd_10g);
5368 
5369 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5370 		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5371 			 params->port);
5372 		return 1;
5373 	}
5374 	return 0;
5375 }
5376 
5377 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5378 				struct link_params *params,
5379 				struct link_vars *vars,
5380 				u32 gp_status)
5381 {
5382 	u16 ld_pause;   /* local driver */
5383 	u16 lp_pause;   /* link partner */
5384 	u16 pause_result;
5385 	struct bnx2x *bp = params->bp;
5386 	if ((gp_status &
5387 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5388 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5389 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5390 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5391 
5392 		CL22_RD_OVER_CL45(bp, phy,
5393 				  MDIO_REG_BANK_CL73_IEEEB1,
5394 				  MDIO_CL73_IEEEB1_AN_ADV1,
5395 				  &ld_pause);
5396 		CL22_RD_OVER_CL45(bp, phy,
5397 				  MDIO_REG_BANK_CL73_IEEEB1,
5398 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5399 				  &lp_pause);
5400 		pause_result = (ld_pause &
5401 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5402 		pause_result |= (lp_pause &
5403 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5404 		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5405 	} else {
5406 		CL22_RD_OVER_CL45(bp, phy,
5407 				  MDIO_REG_BANK_COMBO_IEEE0,
5408 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5409 				  &ld_pause);
5410 		CL22_RD_OVER_CL45(bp, phy,
5411 			MDIO_REG_BANK_COMBO_IEEE0,
5412 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5413 			&lp_pause);
5414 		pause_result = (ld_pause &
5415 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5416 		pause_result |= (lp_pause &
5417 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5418 		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5419 	}
5420 	bnx2x_pause_resolve(phy, params, vars, pause_result);
5421 
5422 }
5423 
5424 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5425 				    struct link_params *params,
5426 				    struct link_vars *vars,
5427 				    u32 gp_status)
5428 {
5429 	struct bnx2x *bp = params->bp;
5430 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5431 
5432 	/* Resolve from gp_status in case of AN complete and not sgmii */
5433 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5434 		/* Update the advertised flow-controled of LD/LP in AN */
5435 		if (phy->req_line_speed == SPEED_AUTO_NEG)
5436 			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5437 		/* But set the flow-control result as the requested one */
5438 		vars->flow_ctrl = phy->req_flow_ctrl;
5439 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5440 		vars->flow_ctrl = params->req_fc_auto_adv;
5441 	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5442 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5443 		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5444 			vars->flow_ctrl = params->req_fc_auto_adv;
5445 			return;
5446 		}
5447 		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5448 	}
5449 	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5450 }
5451 
5452 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5453 					 struct link_params *params)
5454 {
5455 	struct bnx2x *bp = params->bp;
5456 	u16 rx_status, ustat_val, cl37_fsm_received;
5457 	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5458 	/* Step 1: Make sure signal is detected */
5459 	CL22_RD_OVER_CL45(bp, phy,
5460 			  MDIO_REG_BANK_RX0,
5461 			  MDIO_RX0_RX_STATUS,
5462 			  &rx_status);
5463 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5464 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5465 		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5466 			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5467 		CL22_WR_OVER_CL45(bp, phy,
5468 				  MDIO_REG_BANK_CL73_IEEEB0,
5469 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5470 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5471 		return;
5472 	}
5473 	/* Step 2: Check CL73 state machine */
5474 	CL22_RD_OVER_CL45(bp, phy,
5475 			  MDIO_REG_BANK_CL73_USERB0,
5476 			  MDIO_CL73_USERB0_CL73_USTAT1,
5477 			  &ustat_val);
5478 	if ((ustat_val &
5479 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5480 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5481 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5482 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5483 		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5484 			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5485 		return;
5486 	}
5487 	/* Step 3: Check CL37 Message Pages received to indicate LP
5488 	 * supports only CL37
5489 	 */
5490 	CL22_RD_OVER_CL45(bp, phy,
5491 			  MDIO_REG_BANK_REMOTE_PHY,
5492 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5493 			  &cl37_fsm_received);
5494 	if ((cl37_fsm_received &
5495 	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5496 	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5497 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5498 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5499 		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5500 			     "misc_rx_status(0x8330) = 0x%x\n",
5501 			 cl37_fsm_received);
5502 		return;
5503 	}
5504 	/* The combined cl37/cl73 fsm state information indicating that
5505 	 * we are connected to a device which does not support cl73, but
5506 	 * does support cl37 BAM. In this case we disable cl73 and
5507 	 * restart cl37 auto-neg
5508 	 */
5509 
5510 	/* Disable CL73 */
5511 	CL22_WR_OVER_CL45(bp, phy,
5512 			  MDIO_REG_BANK_CL73_IEEEB0,
5513 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5514 			  0);
5515 	/* Restart CL37 autoneg */
5516 	bnx2x_restart_autoneg(phy, params, 0);
5517 	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5518 }
5519 
5520 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5521 				  struct link_params *params,
5522 				  struct link_vars *vars,
5523 				  u32 gp_status)
5524 {
5525 	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5526 		vars->link_status |=
5527 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5528 
5529 	if (bnx2x_direct_parallel_detect_used(phy, params))
5530 		vars->link_status |=
5531 			LINK_STATUS_PARALLEL_DETECTION_USED;
5532 }
5533 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5534 				     struct link_params *params,
5535 				      struct link_vars *vars,
5536 				      u16 is_link_up,
5537 				      u16 speed_mask,
5538 				      u16 is_duplex)
5539 {
5540 	struct bnx2x *bp = params->bp;
5541 	if (phy->req_line_speed == SPEED_AUTO_NEG)
5542 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5543 	if (is_link_up) {
5544 		DP(NETIF_MSG_LINK, "phy link up\n");
5545 
5546 		vars->phy_link_up = 1;
5547 		vars->link_status |= LINK_STATUS_LINK_UP;
5548 
5549 		switch (speed_mask) {
5550 		case GP_STATUS_10M:
5551 			vars->line_speed = SPEED_10;
5552 			if (is_duplex == DUPLEX_FULL)
5553 				vars->link_status |= LINK_10TFD;
5554 			else
5555 				vars->link_status |= LINK_10THD;
5556 			break;
5557 
5558 		case GP_STATUS_100M:
5559 			vars->line_speed = SPEED_100;
5560 			if (is_duplex == DUPLEX_FULL)
5561 				vars->link_status |= LINK_100TXFD;
5562 			else
5563 				vars->link_status |= LINK_100TXHD;
5564 			break;
5565 
5566 		case GP_STATUS_1G:
5567 		case GP_STATUS_1G_KX:
5568 			vars->line_speed = SPEED_1000;
5569 			if (is_duplex == DUPLEX_FULL)
5570 				vars->link_status |= LINK_1000TFD;
5571 			else
5572 				vars->link_status |= LINK_1000THD;
5573 			break;
5574 
5575 		case GP_STATUS_2_5G:
5576 			vars->line_speed = SPEED_2500;
5577 			if (is_duplex == DUPLEX_FULL)
5578 				vars->link_status |= LINK_2500TFD;
5579 			else
5580 				vars->link_status |= LINK_2500THD;
5581 			break;
5582 
5583 		case GP_STATUS_5G:
5584 		case GP_STATUS_6G:
5585 			DP(NETIF_MSG_LINK,
5586 				 "link speed unsupported  gp_status 0x%x\n",
5587 				  speed_mask);
5588 			return -EINVAL;
5589 
5590 		case GP_STATUS_10G_KX4:
5591 		case GP_STATUS_10G_HIG:
5592 		case GP_STATUS_10G_CX4:
5593 		case GP_STATUS_10G_KR:
5594 		case GP_STATUS_10G_SFI:
5595 		case GP_STATUS_10G_XFI:
5596 			vars->line_speed = SPEED_10000;
5597 			vars->link_status |= LINK_10GTFD;
5598 			break;
5599 		case GP_STATUS_20G_DXGXS:
5600 		case GP_STATUS_20G_KR2:
5601 			vars->line_speed = SPEED_20000;
5602 			vars->link_status |= LINK_20GTFD;
5603 			break;
5604 		default:
5605 			DP(NETIF_MSG_LINK,
5606 				  "link speed unsupported gp_status 0x%x\n",
5607 				  speed_mask);
5608 			return -EINVAL;
5609 		}
5610 	} else { /* link_down */
5611 		DP(NETIF_MSG_LINK, "phy link down\n");
5612 
5613 		vars->phy_link_up = 0;
5614 
5615 		vars->duplex = DUPLEX_FULL;
5616 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5617 		vars->mac_type = MAC_TYPE_NONE;
5618 	}
5619 	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5620 		    vars->phy_link_up, vars->line_speed);
5621 	return 0;
5622 }
5623 
5624 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5625 				      struct link_params *params,
5626 				      struct link_vars *vars)
5627 {
5628 	struct bnx2x *bp = params->bp;
5629 
5630 	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5631 	int rc = 0;
5632 
5633 	/* Read gp_status */
5634 	CL22_RD_OVER_CL45(bp, phy,
5635 			  MDIO_REG_BANK_GP_STATUS,
5636 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5637 			  &gp_status);
5638 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5639 		duplex = DUPLEX_FULL;
5640 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5641 		link_up = 1;
5642 	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5643 	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5644 		       gp_status, link_up, speed_mask);
5645 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5646 					 duplex);
5647 	if (rc == -EINVAL)
5648 		return rc;
5649 
5650 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5651 		if (SINGLE_MEDIA_DIRECT(params)) {
5652 			vars->duplex = duplex;
5653 			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5654 			if (phy->req_line_speed == SPEED_AUTO_NEG)
5655 				bnx2x_xgxs_an_resolve(phy, params, vars,
5656 						      gp_status);
5657 		}
5658 	} else { /* Link_down */
5659 		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5660 		    SINGLE_MEDIA_DIRECT(params)) {
5661 			/* Check signal is detected */
5662 			bnx2x_check_fallback_to_cl37(phy, params);
5663 		}
5664 	}
5665 
5666 	/* Read LP advertised speeds*/
5667 	if (SINGLE_MEDIA_DIRECT(params) &&
5668 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5669 		u16 val;
5670 
5671 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5672 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5673 
5674 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5675 			vars->link_status |=
5676 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5677 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5678 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5679 			vars->link_status |=
5680 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5681 
5682 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5683 				  MDIO_OVER_1G_LP_UP1, &val);
5684 
5685 		if (val & MDIO_OVER_1G_UP1_2_5G)
5686 			vars->link_status |=
5687 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5688 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5689 			vars->link_status |=
5690 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5691 	}
5692 
5693 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5694 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5695 	return rc;
5696 }
5697 
5698 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5699 				     struct link_params *params,
5700 				     struct link_vars *vars)
5701 {
5702 	struct bnx2x *bp = params->bp;
5703 	u8 lane;
5704 	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5705 	int rc = 0;
5706 	lane = bnx2x_get_warpcore_lane(phy, params);
5707 	/* Read gp_status */
5708 	if ((params->loopback_mode) &&
5709 	    (phy->flags & FLAGS_WC_DUAL_MODE)) {
5710 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5711 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5712 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5713 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5714 		link_up &= 0x1;
5715 	} else if ((phy->req_line_speed > SPEED_10000) &&
5716 		(phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5717 		u16 temp_link_up;
5718 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5719 				1, &temp_link_up);
5720 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5721 				1, &link_up);
5722 		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5723 			       temp_link_up, link_up);
5724 		link_up &= (1<<2);
5725 		if (link_up)
5726 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5727 	} else {
5728 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5729 				MDIO_WC_REG_GP2_STATUS_GP_2_1,
5730 				&gp_status1);
5731 		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5732 		/* Check for either KR, 1G, or AN up. */
5733 		link_up = ((gp_status1 >> 8) |
5734 			   (gp_status1 >> 12) |
5735 			   (gp_status1)) &
5736 			(1 << lane);
5737 		if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5738 			u16 an_link;
5739 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5740 					MDIO_AN_REG_STATUS, &an_link);
5741 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5742 					MDIO_AN_REG_STATUS, &an_link);
5743 			link_up |= (an_link & (1<<2));
5744 		}
5745 		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5746 			u16 pd, gp_status4;
5747 			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5748 				/* Check Autoneg complete */
5749 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5750 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5751 						&gp_status4);
5752 				if (gp_status4 & ((1<<12)<<lane))
5753 					vars->link_status |=
5754 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5755 
5756 				/* Check parallel detect used */
5757 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5758 						MDIO_WC_REG_PAR_DET_10G_STATUS,
5759 						&pd);
5760 				if (pd & (1<<15))
5761 					vars->link_status |=
5762 					LINK_STATUS_PARALLEL_DETECTION_USED;
5763 			}
5764 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5765 			vars->duplex = duplex;
5766 		}
5767 	}
5768 
5769 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5770 	    SINGLE_MEDIA_DIRECT(params)) {
5771 		u16 val;
5772 
5773 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5774 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5775 
5776 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5777 			vars->link_status |=
5778 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5779 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5780 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5781 			vars->link_status |=
5782 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5783 
5784 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5785 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5786 
5787 		if (val & MDIO_OVER_1G_UP1_2_5G)
5788 			vars->link_status |=
5789 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5790 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5791 			vars->link_status |=
5792 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5793 
5794 	}
5795 
5796 
5797 	if (lane < 2) {
5798 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5799 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5800 	} else {
5801 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5802 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5803 	}
5804 	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5805 
5806 	if ((lane & 1) == 0)
5807 		gp_speed <<= 8;
5808 	gp_speed &= 0x3f00;
5809 	link_up = !!link_up;
5810 
5811 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5812 					 duplex);
5813 
5814 	/* In case of KR link down, start up the recovering procedure */
5815 	if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5816 	    (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5817 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5818 
5819 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5820 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5821 	return rc;
5822 }
5823 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5824 {
5825 	struct bnx2x *bp = params->bp;
5826 	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5827 	u16 lp_up2;
5828 	u16 tx_driver;
5829 	u16 bank;
5830 
5831 	/* Read precomp */
5832 	CL22_RD_OVER_CL45(bp, phy,
5833 			  MDIO_REG_BANK_OVER_1G,
5834 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5835 
5836 	/* Bits [10:7] at lp_up2, positioned at [15:12] */
5837 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5838 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5839 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5840 
5841 	if (lp_up2 == 0)
5842 		return;
5843 
5844 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5845 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5846 		CL22_RD_OVER_CL45(bp, phy,
5847 				  bank,
5848 				  MDIO_TX0_TX_DRIVER, &tx_driver);
5849 
5850 		/* Replace tx_driver bits [15:12] */
5851 		if (lp_up2 !=
5852 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5853 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5854 			tx_driver |= lp_up2;
5855 			CL22_WR_OVER_CL45(bp, phy,
5856 					  bank,
5857 					  MDIO_TX0_TX_DRIVER, tx_driver);
5858 		}
5859 	}
5860 }
5861 
5862 static int bnx2x_emac_program(struct link_params *params,
5863 			      struct link_vars *vars)
5864 {
5865 	struct bnx2x *bp = params->bp;
5866 	u8 port = params->port;
5867 	u16 mode = 0;
5868 
5869 	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5870 	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5871 		       EMAC_REG_EMAC_MODE,
5872 		       (EMAC_MODE_25G_MODE |
5873 			EMAC_MODE_PORT_MII_10M |
5874 			EMAC_MODE_HALF_DUPLEX));
5875 	switch (vars->line_speed) {
5876 	case SPEED_10:
5877 		mode |= EMAC_MODE_PORT_MII_10M;
5878 		break;
5879 
5880 	case SPEED_100:
5881 		mode |= EMAC_MODE_PORT_MII;
5882 		break;
5883 
5884 	case SPEED_1000:
5885 		mode |= EMAC_MODE_PORT_GMII;
5886 		break;
5887 
5888 	case SPEED_2500:
5889 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5890 		break;
5891 
5892 	default:
5893 		/* 10G not valid for EMAC */
5894 		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5895 			   vars->line_speed);
5896 		return -EINVAL;
5897 	}
5898 
5899 	if (vars->duplex == DUPLEX_HALF)
5900 		mode |= EMAC_MODE_HALF_DUPLEX;
5901 	bnx2x_bits_en(bp,
5902 		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5903 		      mode);
5904 
5905 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5906 	return 0;
5907 }
5908 
5909 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5910 				  struct link_params *params)
5911 {
5912 
5913 	u16 bank, i = 0;
5914 	struct bnx2x *bp = params->bp;
5915 
5916 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5917 	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5918 			CL22_WR_OVER_CL45(bp, phy,
5919 					  bank,
5920 					  MDIO_RX0_RX_EQ_BOOST,
5921 					  phy->rx_preemphasis[i]);
5922 	}
5923 
5924 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5925 		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5926 			CL22_WR_OVER_CL45(bp, phy,
5927 					  bank,
5928 					  MDIO_TX0_TX_DRIVER,
5929 					  phy->tx_preemphasis[i]);
5930 	}
5931 }
5932 
5933 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5934 				   struct link_params *params,
5935 				   struct link_vars *vars)
5936 {
5937 	struct bnx2x *bp = params->bp;
5938 	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5939 			  (params->loopback_mode == LOOPBACK_XGXS));
5940 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5941 		if (SINGLE_MEDIA_DIRECT(params) &&
5942 		    (params->feature_config_flags &
5943 		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5944 			bnx2x_set_preemphasis(phy, params);
5945 
5946 		/* Forced speed requested? */
5947 		if (vars->line_speed != SPEED_AUTO_NEG ||
5948 		    (SINGLE_MEDIA_DIRECT(params) &&
5949 		     params->loopback_mode == LOOPBACK_EXT)) {
5950 			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5951 
5952 			/* Disable autoneg */
5953 			bnx2x_set_autoneg(phy, params, vars, 0);
5954 
5955 			/* Program speed and duplex */
5956 			bnx2x_program_serdes(phy, params, vars);
5957 
5958 		} else { /* AN_mode */
5959 			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5960 
5961 			/* AN enabled */
5962 			bnx2x_set_brcm_cl37_advertisement(phy, params);
5963 
5964 			/* Program duplex & pause advertisement (for aneg) */
5965 			bnx2x_set_ieee_aneg_advertisement(phy, params,
5966 							  vars->ieee_fc);
5967 
5968 			/* Enable autoneg */
5969 			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5970 
5971 			/* Enable and restart AN */
5972 			bnx2x_restart_autoneg(phy, params, enable_cl73);
5973 		}
5974 
5975 	} else { /* SGMII mode */
5976 		DP(NETIF_MSG_LINK, "SGMII\n");
5977 
5978 		bnx2x_initialize_sgmii_process(phy, params, vars);
5979 	}
5980 }
5981 
5982 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5983 			  struct link_params *params,
5984 			  struct link_vars *vars)
5985 {
5986 	int rc;
5987 	vars->phy_flags |= PHY_XGXS_FLAG;
5988 	if ((phy->req_line_speed &&
5989 	     ((phy->req_line_speed == SPEED_100) ||
5990 	      (phy->req_line_speed == SPEED_10))) ||
5991 	    (!phy->req_line_speed &&
5992 	     (phy->speed_cap_mask >=
5993 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5994 	     (phy->speed_cap_mask <
5995 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5996 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5997 		vars->phy_flags |= PHY_SGMII_FLAG;
5998 	else
5999 		vars->phy_flags &= ~PHY_SGMII_FLAG;
6000 
6001 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6002 	bnx2x_set_aer_mmd(params, phy);
6003 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
6004 		bnx2x_set_master_ln(params, phy);
6005 
6006 	rc = bnx2x_reset_unicore(params, phy, 0);
6007 	/* Reset the SerDes and wait for reset bit return low */
6008 	if (rc)
6009 		return rc;
6010 
6011 	bnx2x_set_aer_mmd(params, phy);
6012 	/* Setting the masterLn_def again after the reset */
6013 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6014 		bnx2x_set_master_ln(params, phy);
6015 		bnx2x_set_swap_lanes(params, phy);
6016 	}
6017 
6018 	return rc;
6019 }
6020 
6021 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
6022 				     struct bnx2x_phy *phy,
6023 				     struct link_params *params)
6024 {
6025 	u16 cnt, ctrl;
6026 	/* Wait for soft reset to get cleared up to 1 sec */
6027 	for (cnt = 0; cnt < 1000; cnt++) {
6028 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6029 			bnx2x_cl22_read(bp, phy,
6030 				MDIO_PMA_REG_CTRL, &ctrl);
6031 		else
6032 			bnx2x_cl45_read(bp, phy,
6033 				MDIO_PMA_DEVAD,
6034 				MDIO_PMA_REG_CTRL, &ctrl);
6035 		if (!(ctrl & (1<<15)))
6036 			break;
6037 		usleep_range(1000, 2000);
6038 	}
6039 
6040 	if (cnt == 1000)
6041 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
6042 				      " Port %d\n",
6043 			 params->port);
6044 	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6045 	return cnt;
6046 }
6047 
6048 static void bnx2x_link_int_enable(struct link_params *params)
6049 {
6050 	u8 port = params->port;
6051 	u32 mask;
6052 	struct bnx2x *bp = params->bp;
6053 
6054 	/* Setting the status to report on link up for either XGXS or SerDes */
6055 	if (CHIP_IS_E3(bp)) {
6056 		mask = NIG_MASK_XGXS0_LINK_STATUS;
6057 		if (!(SINGLE_MEDIA_DIRECT(params)))
6058 			mask |= NIG_MASK_MI_INT;
6059 	} else if (params->switch_cfg == SWITCH_CFG_10G) {
6060 		mask = (NIG_MASK_XGXS0_LINK10G |
6061 			NIG_MASK_XGXS0_LINK_STATUS);
6062 		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6063 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6064 			params->phy[INT_PHY].type !=
6065 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6066 			mask |= NIG_MASK_MI_INT;
6067 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6068 		}
6069 
6070 	} else { /* SerDes */
6071 		mask = NIG_MASK_SERDES0_LINK_STATUS;
6072 		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6073 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6074 			params->phy[INT_PHY].type !=
6075 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6076 			mask |= NIG_MASK_MI_INT;
6077 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6078 		}
6079 	}
6080 	bnx2x_bits_en(bp,
6081 		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6082 		      mask);
6083 
6084 	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6085 		 (params->switch_cfg == SWITCH_CFG_10G),
6086 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6087 	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6088 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6089 		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6090 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6091 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6092 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6093 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6094 }
6095 
6096 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6097 				     u8 exp_mi_int)
6098 {
6099 	u32 latch_status = 0;
6100 
6101 	/* Disable the MI INT ( external phy int ) by writing 1 to the
6102 	 * status register. Link down indication is high-active-signal,
6103 	 * so in this case we need to write the status to clear the XOR
6104 	 */
6105 	/* Read Latched signals */
6106 	latch_status = REG_RD(bp,
6107 				    NIG_REG_LATCH_STATUS_0 + port*8);
6108 	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6109 	/* Handle only those with latched-signal=up.*/
6110 	if (exp_mi_int)
6111 		bnx2x_bits_en(bp,
6112 			      NIG_REG_STATUS_INTERRUPT_PORT0
6113 			      + port*4,
6114 			      NIG_STATUS_EMAC0_MI_INT);
6115 	else
6116 		bnx2x_bits_dis(bp,
6117 			       NIG_REG_STATUS_INTERRUPT_PORT0
6118 			       + port*4,
6119 			       NIG_STATUS_EMAC0_MI_INT);
6120 
6121 	if (latch_status & 1) {
6122 
6123 		/* For all latched-signal=up : Re-Arm Latch signals */
6124 		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6125 		       (latch_status & 0xfffe) | (latch_status & 1));
6126 	}
6127 	/* For all latched-signal=up,Write original_signal to status */
6128 }
6129 
6130 static void bnx2x_link_int_ack(struct link_params *params,
6131 			       struct link_vars *vars, u8 is_10g_plus)
6132 {
6133 	struct bnx2x *bp = params->bp;
6134 	u8 port = params->port;
6135 	u32 mask;
6136 	/* First reset all status we assume only one line will be
6137 	 * change at a time
6138 	 */
6139 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6140 		       (NIG_STATUS_XGXS0_LINK10G |
6141 			NIG_STATUS_XGXS0_LINK_STATUS |
6142 			NIG_STATUS_SERDES0_LINK_STATUS));
6143 	if (vars->phy_link_up) {
6144 		if (USES_WARPCORE(bp))
6145 			mask = NIG_STATUS_XGXS0_LINK_STATUS;
6146 		else {
6147 			if (is_10g_plus)
6148 				mask = NIG_STATUS_XGXS0_LINK10G;
6149 			else if (params->switch_cfg == SWITCH_CFG_10G) {
6150 				/* Disable the link interrupt by writing 1 to
6151 				 * the relevant lane in the status register
6152 				 */
6153 				u32 ser_lane =
6154 					((params->lane_config &
6155 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6156 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6157 				mask = ((1 << ser_lane) <<
6158 				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6159 			} else
6160 				mask = NIG_STATUS_SERDES0_LINK_STATUS;
6161 		}
6162 		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6163 			       mask);
6164 		bnx2x_bits_en(bp,
6165 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6166 			      mask);
6167 	}
6168 }
6169 
6170 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6171 {
6172 	u8 *str_ptr = str;
6173 	u32 mask = 0xf0000000;
6174 	u8 shift = 8*4;
6175 	u8 digit;
6176 	u8 remove_leading_zeros = 1;
6177 	if (*len < 10) {
6178 		/* Need more than 10chars for this format */
6179 		*str_ptr = '\0';
6180 		(*len)--;
6181 		return -EINVAL;
6182 	}
6183 	while (shift > 0) {
6184 
6185 		shift -= 4;
6186 		digit = ((num & mask) >> shift);
6187 		if (digit == 0 && remove_leading_zeros) {
6188 			mask = mask >> 4;
6189 			continue;
6190 		} else if (digit < 0xa)
6191 			*str_ptr = digit + '0';
6192 		else
6193 			*str_ptr = digit - 0xa + 'a';
6194 		remove_leading_zeros = 0;
6195 		str_ptr++;
6196 		(*len)--;
6197 		mask = mask >> 4;
6198 		if (shift == 4*4) {
6199 			*str_ptr = '.';
6200 			str_ptr++;
6201 			(*len)--;
6202 			remove_leading_zeros = 1;
6203 		}
6204 	}
6205 	return 0;
6206 }
6207 
6208 
6209 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6210 {
6211 	str[0] = '\0';
6212 	(*len)--;
6213 	return 0;
6214 }
6215 
6216 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6217 				 u16 len)
6218 {
6219 	struct bnx2x *bp;
6220 	u32 spirom_ver = 0;
6221 	int status = 0;
6222 	u8 *ver_p = version;
6223 	u16 remain_len = len;
6224 	if (version == NULL || params == NULL)
6225 		return -EINVAL;
6226 	bp = params->bp;
6227 
6228 	/* Extract first external phy*/
6229 	version[0] = '\0';
6230 	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6231 
6232 	if (params->phy[EXT_PHY1].format_fw_ver) {
6233 		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6234 							      ver_p,
6235 							      &remain_len);
6236 		ver_p += (len - remain_len);
6237 	}
6238 	if ((params->num_phys == MAX_PHYS) &&
6239 	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6240 		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6241 		if (params->phy[EXT_PHY2].format_fw_ver) {
6242 			*ver_p = '/';
6243 			ver_p++;
6244 			remain_len--;
6245 			status |= params->phy[EXT_PHY2].format_fw_ver(
6246 				spirom_ver,
6247 				ver_p,
6248 				&remain_len);
6249 			ver_p = version + (len - remain_len);
6250 		}
6251 	}
6252 	*ver_p = '\0';
6253 	return status;
6254 }
6255 
6256 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6257 				    struct link_params *params)
6258 {
6259 	u8 port = params->port;
6260 	struct bnx2x *bp = params->bp;
6261 
6262 	if (phy->req_line_speed != SPEED_1000) {
6263 		u32 md_devad = 0;
6264 
6265 		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6266 
6267 		if (!CHIP_IS_E3(bp)) {
6268 			/* Change the uni_phy_addr in the nig */
6269 			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6270 					       port*0x18));
6271 
6272 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6273 			       0x5);
6274 		}
6275 
6276 		bnx2x_cl45_write(bp, phy,
6277 				 5,
6278 				 (MDIO_REG_BANK_AER_BLOCK +
6279 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6280 				 0x2800);
6281 
6282 		bnx2x_cl45_write(bp, phy,
6283 				 5,
6284 				 (MDIO_REG_BANK_CL73_IEEEB0 +
6285 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6286 				 0x6041);
6287 		msleep(200);
6288 		/* Set aer mmd back */
6289 		bnx2x_set_aer_mmd(params, phy);
6290 
6291 		if (!CHIP_IS_E3(bp)) {
6292 			/* And md_devad */
6293 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6294 			       md_devad);
6295 		}
6296 	} else {
6297 		u16 mii_ctrl;
6298 		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6299 		bnx2x_cl45_read(bp, phy, 5,
6300 				(MDIO_REG_BANK_COMBO_IEEE0 +
6301 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6302 				&mii_ctrl);
6303 		bnx2x_cl45_write(bp, phy, 5,
6304 				 (MDIO_REG_BANK_COMBO_IEEE0 +
6305 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6306 				 mii_ctrl |
6307 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6308 	}
6309 }
6310 
6311 int bnx2x_set_led(struct link_params *params,
6312 		  struct link_vars *vars, u8 mode, u32 speed)
6313 {
6314 	u8 port = params->port;
6315 	u16 hw_led_mode = params->hw_led_mode;
6316 	int rc = 0;
6317 	u8 phy_idx;
6318 	u32 tmp;
6319 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6320 	struct bnx2x *bp = params->bp;
6321 	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6322 	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6323 		 speed, hw_led_mode);
6324 	/* In case */
6325 	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6326 		if (params->phy[phy_idx].set_link_led) {
6327 			params->phy[phy_idx].set_link_led(
6328 				&params->phy[phy_idx], params, mode);
6329 		}
6330 	}
6331 
6332 	switch (mode) {
6333 	case LED_MODE_FRONT_PANEL_OFF:
6334 	case LED_MODE_OFF:
6335 		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6336 		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6337 		       SHARED_HW_CFG_LED_MAC1);
6338 
6339 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6340 		if (params->phy[EXT_PHY1].type ==
6341 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6342 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6343 				EMAC_LED_100MB_OVERRIDE |
6344 				EMAC_LED_10MB_OVERRIDE);
6345 		else
6346 			tmp |= EMAC_LED_OVERRIDE;
6347 
6348 		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6349 		break;
6350 
6351 	case LED_MODE_OPER:
6352 		/* For all other phys, OPER mode is same as ON, so in case
6353 		 * link is down, do nothing
6354 		 */
6355 		if (!vars->link_up)
6356 			break;
6357 	case LED_MODE_ON:
6358 		if (((params->phy[EXT_PHY1].type ==
6359 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6360 			 (params->phy[EXT_PHY1].type ==
6361 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6362 		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6363 			/* This is a work-around for E2+8727 Configurations */
6364 			if (mode == LED_MODE_ON ||
6365 				speed == SPEED_10000){
6366 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6367 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6368 
6369 				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6370 				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6371 					(tmp | EMAC_LED_OVERRIDE));
6372 				/* Return here without enabling traffic
6373 				 * LED blink and setting rate in ON mode.
6374 				 * In oper mode, enabling LED blink
6375 				 * and setting rate is needed.
6376 				 */
6377 				if (mode == LED_MODE_ON)
6378 					return rc;
6379 			}
6380 		} else if (SINGLE_MEDIA_DIRECT(params)) {
6381 			/* This is a work-around for HW issue found when link
6382 			 * is up in CL73
6383 			 */
6384 			if ((!CHIP_IS_E3(bp)) ||
6385 			    (CHIP_IS_E3(bp) &&
6386 			     mode == LED_MODE_ON))
6387 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6388 
6389 			if (CHIP_IS_E1x(bp) ||
6390 			    CHIP_IS_E2(bp) ||
6391 			    (mode == LED_MODE_ON))
6392 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6393 			else
6394 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6395 				       hw_led_mode);
6396 		} else if ((params->phy[EXT_PHY1].type ==
6397 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6398 			   (mode == LED_MODE_ON)) {
6399 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6400 			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6401 			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6402 				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6403 			/* Break here; otherwise, it'll disable the
6404 			 * intended override.
6405 			 */
6406 			break;
6407 		} else {
6408 			u32 nig_led_mode = ((params->hw_led_mode <<
6409 					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
6410 					    SHARED_HW_CFG_LED_EXTPHY2) ?
6411 				(SHARED_HW_CFG_LED_PHY1 >>
6412 				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6413 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6414 			       nig_led_mode);
6415 		}
6416 
6417 		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6418 		/* Set blinking rate to ~15.9Hz */
6419 		if (CHIP_IS_E3(bp))
6420 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6421 			       LED_BLINK_RATE_VAL_E3);
6422 		else
6423 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6424 			       LED_BLINK_RATE_VAL_E1X_E2);
6425 		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6426 		       port*4, 1);
6427 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6428 		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6429 			(tmp & (~EMAC_LED_OVERRIDE)));
6430 
6431 		if (CHIP_IS_E1(bp) &&
6432 		    ((speed == SPEED_2500) ||
6433 		     (speed == SPEED_1000) ||
6434 		     (speed == SPEED_100) ||
6435 		     (speed == SPEED_10))) {
6436 			/* For speeds less than 10G LED scheme is different */
6437 			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6438 			       + port*4, 1);
6439 			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6440 			       port*4, 0);
6441 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6442 			       port*4, 1);
6443 		}
6444 		break;
6445 
6446 	default:
6447 		rc = -EINVAL;
6448 		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6449 			 mode);
6450 		break;
6451 	}
6452 	return rc;
6453 
6454 }
6455 
6456 /* This function comes to reflect the actual link state read DIRECTLY from the
6457  * HW
6458  */
6459 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6460 		    u8 is_serdes)
6461 {
6462 	struct bnx2x *bp = params->bp;
6463 	u16 gp_status = 0, phy_index = 0;
6464 	u8 ext_phy_link_up = 0, serdes_phy_type;
6465 	struct link_vars temp_vars;
6466 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6467 
6468 	if (CHIP_IS_E3(bp)) {
6469 		u16 link_up;
6470 		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6471 		    > SPEED_10000) {
6472 			/* Check 20G link */
6473 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6474 					1, &link_up);
6475 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6476 					1, &link_up);
6477 			link_up &= (1<<2);
6478 		} else {
6479 			/* Check 10G link and below*/
6480 			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6481 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6482 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6483 					&gp_status);
6484 			gp_status = ((gp_status >> 8) & 0xf) |
6485 				((gp_status >> 12) & 0xf);
6486 			link_up = gp_status & (1 << lane);
6487 		}
6488 		if (!link_up)
6489 			return -ESRCH;
6490 	} else {
6491 		CL22_RD_OVER_CL45(bp, int_phy,
6492 			  MDIO_REG_BANK_GP_STATUS,
6493 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6494 			  &gp_status);
6495 	/* Link is up only if both local phy and external phy are up */
6496 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6497 		return -ESRCH;
6498 	}
6499 	/* In XGXS loopback mode, do not check external PHY */
6500 	if (params->loopback_mode == LOOPBACK_XGXS)
6501 		return 0;
6502 
6503 	switch (params->num_phys) {
6504 	case 1:
6505 		/* No external PHY */
6506 		return 0;
6507 	case 2:
6508 		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6509 			&params->phy[EXT_PHY1],
6510 			params, &temp_vars);
6511 		break;
6512 	case 3: /* Dual Media */
6513 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6514 		      phy_index++) {
6515 			serdes_phy_type = ((params->phy[phy_index].media_type ==
6516 					    ETH_PHY_SFPP_10G_FIBER) ||
6517 					   (params->phy[phy_index].media_type ==
6518 					    ETH_PHY_SFP_1G_FIBER) ||
6519 					   (params->phy[phy_index].media_type ==
6520 					    ETH_PHY_XFP_FIBER) ||
6521 					   (params->phy[phy_index].media_type ==
6522 					    ETH_PHY_DA_TWINAX));
6523 
6524 			if (is_serdes != serdes_phy_type)
6525 				continue;
6526 			if (params->phy[phy_index].read_status) {
6527 				ext_phy_link_up |=
6528 					params->phy[phy_index].read_status(
6529 						&params->phy[phy_index],
6530 						params, &temp_vars);
6531 			}
6532 		}
6533 		break;
6534 	}
6535 	if (ext_phy_link_up)
6536 		return 0;
6537 	return -ESRCH;
6538 }
6539 
6540 static int bnx2x_link_initialize(struct link_params *params,
6541 				 struct link_vars *vars)
6542 {
6543 	u8 phy_index, non_ext_phy;
6544 	struct bnx2x *bp = params->bp;
6545 	/* In case of external phy existence, the line speed would be the
6546 	 * line speed linked up by the external phy. In case it is direct
6547 	 * only, then the line_speed during initialization will be
6548 	 * equal to the req_line_speed
6549 	 */
6550 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6551 
6552 	/* Initialize the internal phy in case this is a direct board
6553 	 * (no external phys), or this board has external phy which requires
6554 	 * to first.
6555 	 */
6556 	if (!USES_WARPCORE(bp))
6557 		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6558 	/* init ext phy and enable link state int */
6559 	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6560 		       (params->loopback_mode == LOOPBACK_XGXS));
6561 
6562 	if (non_ext_phy ||
6563 	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6564 	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6565 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6566 		if (vars->line_speed == SPEED_AUTO_NEG &&
6567 		    (CHIP_IS_E1x(bp) ||
6568 		     CHIP_IS_E2(bp)))
6569 			bnx2x_set_parallel_detection(phy, params);
6570 		if (params->phy[INT_PHY].config_init)
6571 			params->phy[INT_PHY].config_init(phy, params, vars);
6572 	}
6573 
6574 	/* Re-read this value in case it was changed inside config_init due to
6575 	 * limitations of optic module
6576 	 */
6577 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6578 
6579 	/* Init external phy*/
6580 	if (non_ext_phy) {
6581 		if (params->phy[INT_PHY].supported &
6582 		    SUPPORTED_FIBRE)
6583 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6584 	} else {
6585 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6586 		      phy_index++) {
6587 			/* No need to initialize second phy in case of first
6588 			 * phy only selection. In case of second phy, we do
6589 			 * need to initialize the first phy, since they are
6590 			 * connected.
6591 			 */
6592 			if (params->phy[phy_index].supported &
6593 			    SUPPORTED_FIBRE)
6594 				vars->link_status |= LINK_STATUS_SERDES_LINK;
6595 
6596 			if (phy_index == EXT_PHY2 &&
6597 			    (bnx2x_phy_selection(params) ==
6598 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6599 				DP(NETIF_MSG_LINK,
6600 				   "Not initializing second phy\n");
6601 				continue;
6602 			}
6603 			params->phy[phy_index].config_init(
6604 				&params->phy[phy_index],
6605 				params, vars);
6606 		}
6607 	}
6608 	/* Reset the interrupt indication after phy was initialized */
6609 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6610 		       params->port*4,
6611 		       (NIG_STATUS_XGXS0_LINK10G |
6612 			NIG_STATUS_XGXS0_LINK_STATUS |
6613 			NIG_STATUS_SERDES0_LINK_STATUS |
6614 			NIG_MASK_MI_INT));
6615 	return 0;
6616 }
6617 
6618 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6619 				 struct link_params *params)
6620 {
6621 	/* Reset the SerDes/XGXS */
6622 	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6623 	       (0x1ff << (params->port*16)));
6624 }
6625 
6626 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6627 					struct link_params *params)
6628 {
6629 	struct bnx2x *bp = params->bp;
6630 	u8 gpio_port;
6631 	/* HW reset */
6632 	if (CHIP_IS_E2(bp))
6633 		gpio_port = BP_PATH(bp);
6634 	else
6635 		gpio_port = params->port;
6636 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6637 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6638 		       gpio_port);
6639 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6640 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6641 		       gpio_port);
6642 	DP(NETIF_MSG_LINK, "reset external PHY\n");
6643 }
6644 
6645 static int bnx2x_update_link_down(struct link_params *params,
6646 				  struct link_vars *vars)
6647 {
6648 	struct bnx2x *bp = params->bp;
6649 	u8 port = params->port;
6650 
6651 	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6652 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6653 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6654 	/* Indicate no mac active */
6655 	vars->mac_type = MAC_TYPE_NONE;
6656 
6657 	/* Update shared memory */
6658 	vars->link_status &= ~LINK_UPDATE_MASK;
6659 	vars->line_speed = 0;
6660 	bnx2x_update_mng(params, vars->link_status);
6661 
6662 	/* Activate nig drain */
6663 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6664 
6665 	/* Disable emac */
6666 	if (!CHIP_IS_E3(bp))
6667 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6668 
6669 	usleep_range(10000, 20000);
6670 	/* Reset BigMac/Xmac */
6671 	if (CHIP_IS_E1x(bp) ||
6672 	    CHIP_IS_E2(bp))
6673 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6674 
6675 	if (CHIP_IS_E3(bp)) {
6676 		/* Prevent LPI Generation by chip */
6677 		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6678 		       0);
6679 		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6680 		       0);
6681 		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6682 				      SHMEM_EEE_ACTIVE_BIT);
6683 
6684 		bnx2x_update_mng_eee(params, vars->eee_status);
6685 		bnx2x_set_xmac_rxtx(params, 0);
6686 		bnx2x_set_umac_rxtx(params, 0);
6687 	}
6688 
6689 	return 0;
6690 }
6691 
6692 static int bnx2x_update_link_up(struct link_params *params,
6693 				struct link_vars *vars,
6694 				u8 link_10g)
6695 {
6696 	struct bnx2x *bp = params->bp;
6697 	u8 phy_idx, port = params->port;
6698 	int rc = 0;
6699 
6700 	vars->link_status |= (LINK_STATUS_LINK_UP |
6701 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6702 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6703 
6704 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6705 		vars->link_status |=
6706 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6707 
6708 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6709 		vars->link_status |=
6710 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6711 	if (USES_WARPCORE(bp)) {
6712 		if (link_10g) {
6713 			if (bnx2x_xmac_enable(params, vars, 0) ==
6714 			    -ESRCH) {
6715 				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6716 				vars->link_up = 0;
6717 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6718 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6719 			}
6720 		} else
6721 			bnx2x_umac_enable(params, vars, 0);
6722 		bnx2x_set_led(params, vars,
6723 			      LED_MODE_OPER, vars->line_speed);
6724 
6725 		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6726 		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6727 			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6728 			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6729 			       (params->port << 2), 1);
6730 			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6731 			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6732 			       (params->port << 2), 0xfc20);
6733 		}
6734 	}
6735 	if ((CHIP_IS_E1x(bp) ||
6736 	     CHIP_IS_E2(bp))) {
6737 		if (link_10g) {
6738 			if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6739 			    -ESRCH) {
6740 				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6741 				vars->link_up = 0;
6742 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6743 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6744 			}
6745 
6746 			bnx2x_set_led(params, vars,
6747 				      LED_MODE_OPER, SPEED_10000);
6748 		} else {
6749 			rc = bnx2x_emac_program(params, vars);
6750 			bnx2x_emac_enable(params, vars, 0);
6751 
6752 			/* AN complete? */
6753 			if ((vars->link_status &
6754 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6755 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6756 			    SINGLE_MEDIA_DIRECT(params))
6757 				bnx2x_set_gmii_tx_driver(params);
6758 		}
6759 	}
6760 
6761 	/* PBF - link up */
6762 	if (CHIP_IS_E1x(bp))
6763 		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6764 				       vars->line_speed);
6765 
6766 	/* Disable drain */
6767 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6768 
6769 	/* Update shared memory */
6770 	bnx2x_update_mng(params, vars->link_status);
6771 	bnx2x_update_mng_eee(params, vars->eee_status);
6772 	/* Check remote fault */
6773 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6774 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6775 			bnx2x_check_half_open_conn(params, vars, 0);
6776 			break;
6777 		}
6778 	}
6779 	msleep(20);
6780 	return rc;
6781 }
6782 
6783 static void bnx2x_chng_link_count(struct link_params *params, bool clear)
6784 {
6785 	struct bnx2x *bp = params->bp;
6786 	u32 addr, val;
6787 
6788 	/* Verify the link_change_count is supported by the MFW */
6789 	if (!(SHMEM2_HAS(bp, link_change_count)))
6790 		return;
6791 
6792 	addr = params->shmem2_base +
6793 		offsetof(struct shmem2_region, link_change_count[params->port]);
6794 	if (clear)
6795 		val = 0;
6796 	else
6797 		val = REG_RD(bp, addr) + 1;
6798 	REG_WR(bp, addr, val);
6799 }
6800 
6801 /* The bnx2x_link_update function should be called upon link
6802  * interrupt.
6803  * Link is considered up as follows:
6804  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6805  *   to be up
6806  * - SINGLE_MEDIA - The link between the 577xx and the external
6807  *   phy (XGXS) need to up as well as the external link of the
6808  *   phy (PHY_EXT1)
6809  * - DUAL_MEDIA - The link between the 577xx and the first
6810  *   external phy needs to be up, and at least one of the 2
6811  *   external phy link must be up.
6812  */
6813 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6814 {
6815 	struct bnx2x *bp = params->bp;
6816 	struct link_vars phy_vars[MAX_PHYS];
6817 	u8 port = params->port;
6818 	u8 link_10g_plus, phy_index;
6819 	u32 prev_link_status = vars->link_status;
6820 	u8 ext_phy_link_up = 0, cur_link_up;
6821 	int rc = 0;
6822 	u8 is_mi_int = 0;
6823 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6824 	u8 active_external_phy = INT_PHY;
6825 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6826 	vars->link_status &= ~LINK_UPDATE_MASK;
6827 	for (phy_index = INT_PHY; phy_index < params->num_phys;
6828 	      phy_index++) {
6829 		phy_vars[phy_index].flow_ctrl = 0;
6830 		phy_vars[phy_index].link_status = 0;
6831 		phy_vars[phy_index].line_speed = 0;
6832 		phy_vars[phy_index].duplex = DUPLEX_FULL;
6833 		phy_vars[phy_index].phy_link_up = 0;
6834 		phy_vars[phy_index].link_up = 0;
6835 		phy_vars[phy_index].fault_detected = 0;
6836 		/* different consideration, since vars holds inner state */
6837 		phy_vars[phy_index].eee_status = vars->eee_status;
6838 	}
6839 
6840 	if (USES_WARPCORE(bp))
6841 		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6842 
6843 	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6844 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6845 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6846 
6847 	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6848 				port*0x18) > 0);
6849 	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6850 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6851 		 is_mi_int,
6852 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6853 
6854 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6855 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6856 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6857 
6858 	/* Disable emac */
6859 	if (!CHIP_IS_E3(bp))
6860 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6861 
6862 	/* Step 1:
6863 	 * Check external link change only for external phys, and apply
6864 	 * priority selection between them in case the link on both phys
6865 	 * is up. Note that instead of the common vars, a temporary
6866 	 * vars argument is used since each phy may have different link/
6867 	 * speed/duplex result
6868 	 */
6869 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6870 	      phy_index++) {
6871 		struct bnx2x_phy *phy = &params->phy[phy_index];
6872 		if (!phy->read_status)
6873 			continue;
6874 		/* Read link status and params of this ext phy */
6875 		cur_link_up = phy->read_status(phy, params,
6876 					       &phy_vars[phy_index]);
6877 		if (cur_link_up) {
6878 			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6879 				   phy_index);
6880 		} else {
6881 			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6882 				   phy_index);
6883 			continue;
6884 		}
6885 
6886 		if (!ext_phy_link_up) {
6887 			ext_phy_link_up = 1;
6888 			active_external_phy = phy_index;
6889 		} else {
6890 			switch (bnx2x_phy_selection(params)) {
6891 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6892 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6893 			/* In this option, the first PHY makes sure to pass the
6894 			 * traffic through itself only.
6895 			 * Its not clear how to reset the link on the second phy
6896 			 */
6897 				active_external_phy = EXT_PHY1;
6898 				break;
6899 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6900 			/* In this option, the first PHY makes sure to pass the
6901 			 * traffic through the second PHY.
6902 			 */
6903 				active_external_phy = EXT_PHY2;
6904 				break;
6905 			default:
6906 			/* Link indication on both PHYs with the following cases
6907 			 * is invalid:
6908 			 * - FIRST_PHY means that second phy wasn't initialized,
6909 			 * hence its link is expected to be down
6910 			 * - SECOND_PHY means that first phy should not be able
6911 			 * to link up by itself (using configuration)
6912 			 * - DEFAULT should be overriden during initialiazation
6913 			 */
6914 				DP(NETIF_MSG_LINK, "Invalid link indication"
6915 					   "mpc=0x%x. DISABLING LINK !!!\n",
6916 					   params->multi_phy_config);
6917 				ext_phy_link_up = 0;
6918 				break;
6919 			}
6920 		}
6921 	}
6922 	prev_line_speed = vars->line_speed;
6923 	/* Step 2:
6924 	 * Read the status of the internal phy. In case of
6925 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6926 	 * otherwise this is the link between the 577xx and the first
6927 	 * external phy
6928 	 */
6929 	if (params->phy[INT_PHY].read_status)
6930 		params->phy[INT_PHY].read_status(
6931 			&params->phy[INT_PHY],
6932 			params, vars);
6933 	/* The INT_PHY flow control reside in the vars. This include the
6934 	 * case where the speed or flow control are not set to AUTO.
6935 	 * Otherwise, the active external phy flow control result is set
6936 	 * to the vars. The ext_phy_line_speed is needed to check if the
6937 	 * speed is different between the internal phy and external phy.
6938 	 * This case may be result of intermediate link speed change.
6939 	 */
6940 	if (active_external_phy > INT_PHY) {
6941 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6942 		/* Link speed is taken from the XGXS. AN and FC result from
6943 		 * the external phy.
6944 		 */
6945 		vars->link_status |= phy_vars[active_external_phy].link_status;
6946 
6947 		/* if active_external_phy is first PHY and link is up - disable
6948 		 * disable TX on second external PHY
6949 		 */
6950 		if (active_external_phy == EXT_PHY1) {
6951 			if (params->phy[EXT_PHY2].phy_specific_func) {
6952 				DP(NETIF_MSG_LINK,
6953 				   "Disabling TX on EXT_PHY2\n");
6954 				params->phy[EXT_PHY2].phy_specific_func(
6955 					&params->phy[EXT_PHY2],
6956 					params, DISABLE_TX);
6957 			}
6958 		}
6959 
6960 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6961 		vars->duplex = phy_vars[active_external_phy].duplex;
6962 		if (params->phy[active_external_phy].supported &
6963 		    SUPPORTED_FIBRE)
6964 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6965 		else
6966 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6967 
6968 		vars->eee_status = phy_vars[active_external_phy].eee_status;
6969 
6970 		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6971 			   active_external_phy);
6972 	}
6973 
6974 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6975 	      phy_index++) {
6976 		if (params->phy[phy_index].flags &
6977 		    FLAGS_REARM_LATCH_SIGNAL) {
6978 			bnx2x_rearm_latch_signal(bp, port,
6979 						 phy_index ==
6980 						 active_external_phy);
6981 			break;
6982 		}
6983 	}
6984 	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6985 		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6986 		   vars->link_status, ext_phy_line_speed);
6987 	/* Upon link speed change set the NIG into drain mode. Comes to
6988 	 * deals with possible FIFO glitch due to clk change when speed
6989 	 * is decreased without link down indicator
6990 	 */
6991 
6992 	if (vars->phy_link_up) {
6993 		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6994 		    (ext_phy_line_speed != vars->line_speed)) {
6995 			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6996 				   " different than the external"
6997 				   " link speed %d\n", vars->line_speed,
6998 				   ext_phy_line_speed);
6999 			vars->phy_link_up = 0;
7000 		} else if (prev_line_speed != vars->line_speed) {
7001 			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
7002 			       0);
7003 			usleep_range(1000, 2000);
7004 		}
7005 	}
7006 
7007 	/* Anything 10 and over uses the bmac */
7008 	link_10g_plus = (vars->line_speed >= SPEED_10000);
7009 
7010 	bnx2x_link_int_ack(params, vars, link_10g_plus);
7011 
7012 	/* In case external phy link is up, and internal link is down
7013 	 * (not initialized yet probably after link initialization, it
7014 	 * needs to be initialized.
7015 	 * Note that after link down-up as result of cable plug, the xgxs
7016 	 * link would probably become up again without the need
7017 	 * initialize it
7018 	 */
7019 	if (!(SINGLE_MEDIA_DIRECT(params))) {
7020 		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
7021 			   " init_preceding = %d\n", ext_phy_link_up,
7022 			   vars->phy_link_up,
7023 			   params->phy[EXT_PHY1].flags &
7024 			   FLAGS_INIT_XGXS_FIRST);
7025 		if (!(params->phy[EXT_PHY1].flags &
7026 		      FLAGS_INIT_XGXS_FIRST)
7027 		    && ext_phy_link_up && !vars->phy_link_up) {
7028 			vars->line_speed = ext_phy_line_speed;
7029 			if (vars->line_speed < SPEED_1000)
7030 				vars->phy_flags |= PHY_SGMII_FLAG;
7031 			else
7032 				vars->phy_flags &= ~PHY_SGMII_FLAG;
7033 
7034 			if (params->phy[INT_PHY].config_init)
7035 				params->phy[INT_PHY].config_init(
7036 					&params->phy[INT_PHY], params,
7037 						vars);
7038 		}
7039 	}
7040 	/* Link is up only if both local phy and external phy (in case of
7041 	 * non-direct board) are up and no fault detected on active PHY.
7042 	 */
7043 	vars->link_up = (vars->phy_link_up &&
7044 			 (ext_phy_link_up ||
7045 			  SINGLE_MEDIA_DIRECT(params)) &&
7046 			 (phy_vars[active_external_phy].fault_detected == 0));
7047 
7048 	/* Update the PFC configuration in case it was changed */
7049 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
7050 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
7051 	else
7052 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7053 
7054 	if (vars->link_up)
7055 		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
7056 	else
7057 		rc = bnx2x_update_link_down(params, vars);
7058 
7059 	if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
7060 		bnx2x_chng_link_count(params, false);
7061 
7062 	/* Update MCP link status was changed */
7063 	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7064 		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7065 
7066 	return rc;
7067 }
7068 
7069 /*****************************************************************************/
7070 /*			    External Phy section			     */
7071 /*****************************************************************************/
7072 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7073 {
7074 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7075 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7076 	usleep_range(1000, 2000);
7077 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7078 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7079 }
7080 
7081 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7082 				      u32 spirom_ver, u32 ver_addr)
7083 {
7084 	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7085 		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7086 
7087 	if (ver_addr)
7088 		REG_WR(bp, ver_addr, spirom_ver);
7089 }
7090 
7091 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7092 				      struct bnx2x_phy *phy,
7093 				      u8 port)
7094 {
7095 	u16 fw_ver1, fw_ver2;
7096 
7097 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7098 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7099 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7100 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7101 	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7102 				  phy->ver_addr);
7103 }
7104 
7105 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7106 				       struct bnx2x_phy *phy,
7107 				       struct link_vars *vars)
7108 {
7109 	u16 val;
7110 	bnx2x_cl45_read(bp, phy,
7111 			MDIO_AN_DEVAD,
7112 			MDIO_AN_REG_STATUS, &val);
7113 	bnx2x_cl45_read(bp, phy,
7114 			MDIO_AN_DEVAD,
7115 			MDIO_AN_REG_STATUS, &val);
7116 	if (val & (1<<5))
7117 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7118 	if ((val & (1<<0)) == 0)
7119 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7120 }
7121 
7122 /******************************************************************/
7123 /*		common BCM8073/BCM8727 PHY SECTION		  */
7124 /******************************************************************/
7125 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7126 				  struct link_params *params,
7127 				  struct link_vars *vars)
7128 {
7129 	struct bnx2x *bp = params->bp;
7130 	if (phy->req_line_speed == SPEED_10 ||
7131 	    phy->req_line_speed == SPEED_100) {
7132 		vars->flow_ctrl = phy->req_flow_ctrl;
7133 		return;
7134 	}
7135 
7136 	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7137 	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7138 		u16 pause_result;
7139 		u16 ld_pause;		/* local */
7140 		u16 lp_pause;		/* link partner */
7141 		bnx2x_cl45_read(bp, phy,
7142 				MDIO_AN_DEVAD,
7143 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7144 
7145 		bnx2x_cl45_read(bp, phy,
7146 				MDIO_AN_DEVAD,
7147 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7148 		pause_result = (ld_pause &
7149 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7150 		pause_result |= (lp_pause &
7151 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7152 
7153 		bnx2x_pause_resolve(phy, params, vars, pause_result);
7154 		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7155 			   pause_result);
7156 	}
7157 }
7158 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7159 					     struct bnx2x_phy *phy,
7160 					     u8 port)
7161 {
7162 	u32 count = 0;
7163 	u16 fw_ver1, fw_msgout;
7164 	int rc = 0;
7165 
7166 	/* Boot port from external ROM  */
7167 	/* EDC grst */
7168 	bnx2x_cl45_write(bp, phy,
7169 			 MDIO_PMA_DEVAD,
7170 			 MDIO_PMA_REG_GEN_CTRL,
7171 			 0x0001);
7172 
7173 	/* Ucode reboot and rst */
7174 	bnx2x_cl45_write(bp, phy,
7175 			 MDIO_PMA_DEVAD,
7176 			 MDIO_PMA_REG_GEN_CTRL,
7177 			 0x008c);
7178 
7179 	bnx2x_cl45_write(bp, phy,
7180 			 MDIO_PMA_DEVAD,
7181 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7182 
7183 	/* Reset internal microprocessor */
7184 	bnx2x_cl45_write(bp, phy,
7185 			 MDIO_PMA_DEVAD,
7186 			 MDIO_PMA_REG_GEN_CTRL,
7187 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7188 
7189 	/* Release srst bit */
7190 	bnx2x_cl45_write(bp, phy,
7191 			 MDIO_PMA_DEVAD,
7192 			 MDIO_PMA_REG_GEN_CTRL,
7193 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7194 
7195 	/* Delay 100ms per the PHY specifications */
7196 	msleep(100);
7197 
7198 	/* 8073 sometimes taking longer to download */
7199 	do {
7200 		count++;
7201 		if (count > 300) {
7202 			DP(NETIF_MSG_LINK,
7203 				 "bnx2x_8073_8727_external_rom_boot port %x:"
7204 				 "Download failed. fw version = 0x%x\n",
7205 				 port, fw_ver1);
7206 			rc = -EINVAL;
7207 			break;
7208 		}
7209 
7210 		bnx2x_cl45_read(bp, phy,
7211 				MDIO_PMA_DEVAD,
7212 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7213 		bnx2x_cl45_read(bp, phy,
7214 				MDIO_PMA_DEVAD,
7215 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7216 
7217 		usleep_range(1000, 2000);
7218 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7219 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7220 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7221 
7222 	/* Clear ser_boot_ctl bit */
7223 	bnx2x_cl45_write(bp, phy,
7224 			 MDIO_PMA_DEVAD,
7225 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7226 	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7227 
7228 	DP(NETIF_MSG_LINK,
7229 		 "bnx2x_8073_8727_external_rom_boot port %x:"
7230 		 "Download complete. fw version = 0x%x\n",
7231 		 port, fw_ver1);
7232 
7233 	return rc;
7234 }
7235 
7236 /******************************************************************/
7237 /*			BCM8073 PHY SECTION			  */
7238 /******************************************************************/
7239 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7240 {
7241 	/* This is only required for 8073A1, version 102 only */
7242 	u16 val;
7243 
7244 	/* Read 8073 HW revision*/
7245 	bnx2x_cl45_read(bp, phy,
7246 			MDIO_PMA_DEVAD,
7247 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7248 
7249 	if (val != 1) {
7250 		/* No need to workaround in 8073 A1 */
7251 		return 0;
7252 	}
7253 
7254 	bnx2x_cl45_read(bp, phy,
7255 			MDIO_PMA_DEVAD,
7256 			MDIO_PMA_REG_ROM_VER2, &val);
7257 
7258 	/* SNR should be applied only for version 0x102 */
7259 	if (val != 0x102)
7260 		return 0;
7261 
7262 	return 1;
7263 }
7264 
7265 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7266 {
7267 	u16 val, cnt, cnt1 ;
7268 
7269 	bnx2x_cl45_read(bp, phy,
7270 			MDIO_PMA_DEVAD,
7271 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7272 
7273 	if (val > 0) {
7274 		/* No need to workaround in 8073 A1 */
7275 		return 0;
7276 	}
7277 	/* XAUI workaround in 8073 A0: */
7278 
7279 	/* After loading the boot ROM and restarting Autoneg, poll
7280 	 * Dev1, Reg $C820:
7281 	 */
7282 
7283 	for (cnt = 0; cnt < 1000; cnt++) {
7284 		bnx2x_cl45_read(bp, phy,
7285 				MDIO_PMA_DEVAD,
7286 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7287 				&val);
7288 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7289 		   * system initialization (XAUI work-around not required, as
7290 		   * these bits indicate 2.5G or 1G link up).
7291 		   */
7292 		if (!(val & (1<<14)) || !(val & (1<<13))) {
7293 			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7294 			return 0;
7295 		} else if (!(val & (1<<15))) {
7296 			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7297 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7298 			 * MSB (bit15) goes to 1 (indicating that the XAUI
7299 			 * workaround has completed), then continue on with
7300 			 * system initialization.
7301 			 */
7302 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7303 				bnx2x_cl45_read(bp, phy,
7304 					MDIO_PMA_DEVAD,
7305 					MDIO_PMA_REG_8073_XAUI_WA, &val);
7306 				if (val & (1<<15)) {
7307 					DP(NETIF_MSG_LINK,
7308 					  "XAUI workaround has completed\n");
7309 					return 0;
7310 				 }
7311 				 usleep_range(3000, 6000);
7312 			}
7313 			break;
7314 		}
7315 		usleep_range(3000, 6000);
7316 	}
7317 	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7318 	return -EINVAL;
7319 }
7320 
7321 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7322 {
7323 	/* Force KR or KX */
7324 	bnx2x_cl45_write(bp, phy,
7325 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7326 	bnx2x_cl45_write(bp, phy,
7327 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7328 	bnx2x_cl45_write(bp, phy,
7329 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7330 	bnx2x_cl45_write(bp, phy,
7331 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7332 }
7333 
7334 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7335 				      struct bnx2x_phy *phy,
7336 				      struct link_vars *vars)
7337 {
7338 	u16 cl37_val;
7339 	struct bnx2x *bp = params->bp;
7340 	bnx2x_cl45_read(bp, phy,
7341 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7342 
7343 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7344 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7345 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7346 	if ((vars->ieee_fc &
7347 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7348 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7349 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7350 	}
7351 	if ((vars->ieee_fc &
7352 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7353 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7354 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7355 	}
7356 	if ((vars->ieee_fc &
7357 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7358 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7359 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7360 	}
7361 	DP(NETIF_MSG_LINK,
7362 		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7363 
7364 	bnx2x_cl45_write(bp, phy,
7365 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7366 	msleep(500);
7367 }
7368 
7369 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7370 				     struct link_params *params,
7371 				     u32 action)
7372 {
7373 	struct bnx2x *bp = params->bp;
7374 	switch (action) {
7375 	case PHY_INIT:
7376 		/* Enable LASI */
7377 		bnx2x_cl45_write(bp, phy,
7378 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7379 		bnx2x_cl45_write(bp, phy,
7380 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7381 		break;
7382 	}
7383 }
7384 
7385 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7386 				  struct link_params *params,
7387 				  struct link_vars *vars)
7388 {
7389 	struct bnx2x *bp = params->bp;
7390 	u16 val = 0, tmp1;
7391 	u8 gpio_port;
7392 	DP(NETIF_MSG_LINK, "Init 8073\n");
7393 
7394 	if (CHIP_IS_E2(bp))
7395 		gpio_port = BP_PATH(bp);
7396 	else
7397 		gpio_port = params->port;
7398 	/* Restore normal power mode*/
7399 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7400 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7401 
7402 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7403 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7404 
7405 	bnx2x_8073_specific_func(phy, params, PHY_INIT);
7406 	bnx2x_8073_set_pause_cl37(params, phy, vars);
7407 
7408 	bnx2x_cl45_read(bp, phy,
7409 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7410 
7411 	bnx2x_cl45_read(bp, phy,
7412 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7413 
7414 	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7415 
7416 	/* Swap polarity if required - Must be done only in non-1G mode */
7417 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7418 		/* Configure the 8073 to swap _P and _N of the KR lines */
7419 		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7420 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7421 		bnx2x_cl45_read(bp, phy,
7422 				MDIO_PMA_DEVAD,
7423 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7424 		bnx2x_cl45_write(bp, phy,
7425 				 MDIO_PMA_DEVAD,
7426 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7427 				 (val | (3<<9)));
7428 	}
7429 
7430 
7431 	/* Enable CL37 BAM */
7432 	if (REG_RD(bp, params->shmem_base +
7433 			 offsetof(struct shmem_region, dev_info.
7434 				  port_hw_config[params->port].default_cfg)) &
7435 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7436 
7437 		bnx2x_cl45_read(bp, phy,
7438 				MDIO_AN_DEVAD,
7439 				MDIO_AN_REG_8073_BAM, &val);
7440 		bnx2x_cl45_write(bp, phy,
7441 				 MDIO_AN_DEVAD,
7442 				 MDIO_AN_REG_8073_BAM, val | 1);
7443 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7444 	}
7445 	if (params->loopback_mode == LOOPBACK_EXT) {
7446 		bnx2x_807x_force_10G(bp, phy);
7447 		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7448 		return 0;
7449 	} else {
7450 		bnx2x_cl45_write(bp, phy,
7451 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7452 	}
7453 	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7454 		if (phy->req_line_speed == SPEED_10000) {
7455 			val = (1<<7);
7456 		} else if (phy->req_line_speed ==  SPEED_2500) {
7457 			val = (1<<5);
7458 			/* Note that 2.5G works only when used with 1G
7459 			 * advertisement
7460 			 */
7461 		} else
7462 			val = (1<<5);
7463 	} else {
7464 		val = 0;
7465 		if (phy->speed_cap_mask &
7466 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7467 			val |= (1<<7);
7468 
7469 		/* Note that 2.5G works only when used with 1G advertisement */
7470 		if (phy->speed_cap_mask &
7471 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7472 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7473 			val |= (1<<5);
7474 		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7475 	}
7476 
7477 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7478 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7479 
7480 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7481 	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7482 	    (phy->req_line_speed == SPEED_2500)) {
7483 		u16 phy_ver;
7484 		/* Allow 2.5G for A1 and above */
7485 		bnx2x_cl45_read(bp, phy,
7486 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7487 				&phy_ver);
7488 		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7489 		if (phy_ver > 0)
7490 			tmp1 |= 1;
7491 		else
7492 			tmp1 &= 0xfffe;
7493 	} else {
7494 		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7495 		tmp1 &= 0xfffe;
7496 	}
7497 
7498 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7499 	/* Add support for CL37 (passive mode) II */
7500 
7501 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7502 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7503 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7504 				  0x20 : 0x40)));
7505 
7506 	/* Add support for CL37 (passive mode) III */
7507 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7508 
7509 	/* The SNR will improve about 2db by changing BW and FEE main
7510 	 * tap. Rest commands are executed after link is up
7511 	 * Change FFE main cursor to 5 in EDC register
7512 	 */
7513 	if (bnx2x_8073_is_snr_needed(bp, phy))
7514 		bnx2x_cl45_write(bp, phy,
7515 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7516 				 0xFB0C);
7517 
7518 	/* Enable FEC (Forware Error Correction) Request in the AN */
7519 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7520 	tmp1 |= (1<<15);
7521 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7522 
7523 	bnx2x_ext_phy_set_pause(params, phy, vars);
7524 
7525 	/* Restart autoneg */
7526 	msleep(500);
7527 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7528 	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7529 		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7530 	return 0;
7531 }
7532 
7533 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7534 				 struct link_params *params,
7535 				 struct link_vars *vars)
7536 {
7537 	struct bnx2x *bp = params->bp;
7538 	u8 link_up = 0;
7539 	u16 val1, val2;
7540 	u16 link_status = 0;
7541 	u16 an1000_status = 0;
7542 
7543 	bnx2x_cl45_read(bp, phy,
7544 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7545 
7546 	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7547 
7548 	/* Clear the interrupt LASI status register */
7549 	bnx2x_cl45_read(bp, phy,
7550 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7551 	bnx2x_cl45_read(bp, phy,
7552 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7553 	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7554 	/* Clear MSG-OUT */
7555 	bnx2x_cl45_read(bp, phy,
7556 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7557 
7558 	/* Check the LASI */
7559 	bnx2x_cl45_read(bp, phy,
7560 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7561 
7562 	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7563 
7564 	/* Check the link status */
7565 	bnx2x_cl45_read(bp, phy,
7566 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7567 	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7568 
7569 	bnx2x_cl45_read(bp, phy,
7570 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7571 	bnx2x_cl45_read(bp, phy,
7572 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7573 	link_up = ((val1 & 4) == 4);
7574 	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7575 
7576 	if (link_up &&
7577 	     ((phy->req_line_speed != SPEED_10000))) {
7578 		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7579 			return 0;
7580 	}
7581 	bnx2x_cl45_read(bp, phy,
7582 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7583 	bnx2x_cl45_read(bp, phy,
7584 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7585 
7586 	/* Check the link status on 1.1.2 */
7587 	bnx2x_cl45_read(bp, phy,
7588 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7589 	bnx2x_cl45_read(bp, phy,
7590 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7591 	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7592 		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7593 
7594 	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7595 	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7596 		/* The SNR will improve about 2dbby changing the BW and FEE main
7597 		 * tap. The 1st write to change FFE main tap is set before
7598 		 * restart AN. Change PLL Bandwidth in EDC register
7599 		 */
7600 		bnx2x_cl45_write(bp, phy,
7601 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7602 				 0x26BC);
7603 
7604 		/* Change CDR Bandwidth in EDC register */
7605 		bnx2x_cl45_write(bp, phy,
7606 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7607 				 0x0333);
7608 	}
7609 	bnx2x_cl45_read(bp, phy,
7610 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7611 			&link_status);
7612 
7613 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7614 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7615 		link_up = 1;
7616 		vars->line_speed = SPEED_10000;
7617 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7618 			   params->port);
7619 	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7620 		link_up = 1;
7621 		vars->line_speed = SPEED_2500;
7622 		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7623 			   params->port);
7624 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7625 		link_up = 1;
7626 		vars->line_speed = SPEED_1000;
7627 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7628 			   params->port);
7629 	} else {
7630 		link_up = 0;
7631 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7632 			   params->port);
7633 	}
7634 
7635 	if (link_up) {
7636 		/* Swap polarity if required */
7637 		if (params->lane_config &
7638 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7639 			/* Configure the 8073 to swap P and N of the KR lines */
7640 			bnx2x_cl45_read(bp, phy,
7641 					MDIO_XS_DEVAD,
7642 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7643 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7644 			 * when it`s in 10G mode.
7645 			 */
7646 			if (vars->line_speed == SPEED_1000) {
7647 				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7648 					      "the 8073\n");
7649 				val1 |= (1<<3);
7650 			} else
7651 				val1 &= ~(1<<3);
7652 
7653 			bnx2x_cl45_write(bp, phy,
7654 					 MDIO_XS_DEVAD,
7655 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7656 					 val1);
7657 		}
7658 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7659 		bnx2x_8073_resolve_fc(phy, params, vars);
7660 		vars->duplex = DUPLEX_FULL;
7661 	}
7662 
7663 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7664 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7665 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7666 
7667 		if (val1 & (1<<5))
7668 			vars->link_status |=
7669 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7670 		if (val1 & (1<<7))
7671 			vars->link_status |=
7672 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7673 	}
7674 
7675 	return link_up;
7676 }
7677 
7678 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7679 				  struct link_params *params)
7680 {
7681 	struct bnx2x *bp = params->bp;
7682 	u8 gpio_port;
7683 	if (CHIP_IS_E2(bp))
7684 		gpio_port = BP_PATH(bp);
7685 	else
7686 		gpio_port = params->port;
7687 	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7688 	   gpio_port);
7689 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7690 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7691 		       gpio_port);
7692 }
7693 
7694 /******************************************************************/
7695 /*			BCM8705 PHY SECTION			  */
7696 /******************************************************************/
7697 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7698 				  struct link_params *params,
7699 				  struct link_vars *vars)
7700 {
7701 	struct bnx2x *bp = params->bp;
7702 	DP(NETIF_MSG_LINK, "init 8705\n");
7703 	/* Restore normal power mode*/
7704 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7705 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7706 	/* HW reset */
7707 	bnx2x_ext_phy_hw_reset(bp, params->port);
7708 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7709 	bnx2x_wait_reset_complete(bp, phy, params);
7710 
7711 	bnx2x_cl45_write(bp, phy,
7712 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7713 	bnx2x_cl45_write(bp, phy,
7714 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7715 	bnx2x_cl45_write(bp, phy,
7716 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7717 	bnx2x_cl45_write(bp, phy,
7718 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7719 	/* BCM8705 doesn't have microcode, hence the 0 */
7720 	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7721 	return 0;
7722 }
7723 
7724 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7725 				 struct link_params *params,
7726 				 struct link_vars *vars)
7727 {
7728 	u8 link_up = 0;
7729 	u16 val1, rx_sd;
7730 	struct bnx2x *bp = params->bp;
7731 	DP(NETIF_MSG_LINK, "read status 8705\n");
7732 	bnx2x_cl45_read(bp, phy,
7733 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7734 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7735 
7736 	bnx2x_cl45_read(bp, phy,
7737 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7738 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7739 
7740 	bnx2x_cl45_read(bp, phy,
7741 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7742 
7743 	bnx2x_cl45_read(bp, phy,
7744 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7745 	bnx2x_cl45_read(bp, phy,
7746 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7747 
7748 	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7749 	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7750 	if (link_up) {
7751 		vars->line_speed = SPEED_10000;
7752 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7753 	}
7754 	return link_up;
7755 }
7756 
7757 /******************************************************************/
7758 /*			SFP+ module Section			  */
7759 /******************************************************************/
7760 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7761 					   struct bnx2x_phy *phy,
7762 					   u8 pmd_dis)
7763 {
7764 	struct bnx2x *bp = params->bp;
7765 	/* Disable transmitter only for bootcodes which can enable it afterwards
7766 	 * (for D3 link)
7767 	 */
7768 	if (pmd_dis) {
7769 		if (params->feature_config_flags &
7770 		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7771 			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7772 		else {
7773 			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7774 			return;
7775 		}
7776 	} else
7777 		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7778 	bnx2x_cl45_write(bp, phy,
7779 			 MDIO_PMA_DEVAD,
7780 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7781 }
7782 
7783 static u8 bnx2x_get_gpio_port(struct link_params *params)
7784 {
7785 	u8 gpio_port;
7786 	u32 swap_val, swap_override;
7787 	struct bnx2x *bp = params->bp;
7788 	if (CHIP_IS_E2(bp))
7789 		gpio_port = BP_PATH(bp);
7790 	else
7791 		gpio_port = params->port;
7792 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7793 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7794 	return gpio_port ^ (swap_val && swap_override);
7795 }
7796 
7797 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7798 					   struct bnx2x_phy *phy,
7799 					   u8 tx_en)
7800 {
7801 	u16 val;
7802 	u8 port = params->port;
7803 	struct bnx2x *bp = params->bp;
7804 	u32 tx_en_mode;
7805 
7806 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7807 	tx_en_mode = REG_RD(bp, params->shmem_base +
7808 			    offsetof(struct shmem_region,
7809 				     dev_info.port_hw_config[port].sfp_ctrl)) &
7810 		PORT_HW_CFG_TX_LASER_MASK;
7811 	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7812 			   "mode = %x\n", tx_en, port, tx_en_mode);
7813 	switch (tx_en_mode) {
7814 	case PORT_HW_CFG_TX_LASER_MDIO:
7815 
7816 		bnx2x_cl45_read(bp, phy,
7817 				MDIO_PMA_DEVAD,
7818 				MDIO_PMA_REG_PHY_IDENTIFIER,
7819 				&val);
7820 
7821 		if (tx_en)
7822 			val &= ~(1<<15);
7823 		else
7824 			val |= (1<<15);
7825 
7826 		bnx2x_cl45_write(bp, phy,
7827 				 MDIO_PMA_DEVAD,
7828 				 MDIO_PMA_REG_PHY_IDENTIFIER,
7829 				 val);
7830 	break;
7831 	case PORT_HW_CFG_TX_LASER_GPIO0:
7832 	case PORT_HW_CFG_TX_LASER_GPIO1:
7833 	case PORT_HW_CFG_TX_LASER_GPIO2:
7834 	case PORT_HW_CFG_TX_LASER_GPIO3:
7835 	{
7836 		u16 gpio_pin;
7837 		u8 gpio_port, gpio_mode;
7838 		if (tx_en)
7839 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7840 		else
7841 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7842 
7843 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7844 		gpio_port = bnx2x_get_gpio_port(params);
7845 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7846 		break;
7847 	}
7848 	default:
7849 		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7850 		break;
7851 	}
7852 }
7853 
7854 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7855 				      struct bnx2x_phy *phy,
7856 				      u8 tx_en)
7857 {
7858 	struct bnx2x *bp = params->bp;
7859 	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7860 	if (CHIP_IS_E3(bp))
7861 		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7862 	else
7863 		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7864 }
7865 
7866 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7867 					     struct link_params *params,
7868 					     u8 dev_addr, u16 addr, u8 byte_cnt,
7869 					     u8 *o_buf, u8 is_init)
7870 {
7871 	struct bnx2x *bp = params->bp;
7872 	u16 val = 0;
7873 	u16 i;
7874 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7875 		DP(NETIF_MSG_LINK,
7876 		   "Reading from eeprom is limited to 0xf\n");
7877 		return -EINVAL;
7878 	}
7879 	/* Set the read command byte count */
7880 	bnx2x_cl45_write(bp, phy,
7881 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7882 			 (byte_cnt | (dev_addr << 8)));
7883 
7884 	/* Set the read command address */
7885 	bnx2x_cl45_write(bp, phy,
7886 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7887 			 addr);
7888 
7889 	/* Activate read command */
7890 	bnx2x_cl45_write(bp, phy,
7891 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7892 			 0x2c0f);
7893 
7894 	/* Wait up to 500us for command complete status */
7895 	for (i = 0; i < 100; i++) {
7896 		bnx2x_cl45_read(bp, phy,
7897 				MDIO_PMA_DEVAD,
7898 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7899 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7900 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7901 			break;
7902 		udelay(5);
7903 	}
7904 
7905 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7906 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7907 		DP(NETIF_MSG_LINK,
7908 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7909 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7910 		return -EINVAL;
7911 	}
7912 
7913 	/* Read the buffer */
7914 	for (i = 0; i < byte_cnt; i++) {
7915 		bnx2x_cl45_read(bp, phy,
7916 				MDIO_PMA_DEVAD,
7917 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7918 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7919 	}
7920 
7921 	for (i = 0; i < 100; i++) {
7922 		bnx2x_cl45_read(bp, phy,
7923 				MDIO_PMA_DEVAD,
7924 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7925 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7926 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7927 			return 0;
7928 		usleep_range(1000, 2000);
7929 	}
7930 	return -EINVAL;
7931 }
7932 
7933 static void bnx2x_warpcore_power_module(struct link_params *params,
7934 					u8 power)
7935 {
7936 	u32 pin_cfg;
7937 	struct bnx2x *bp = params->bp;
7938 
7939 	pin_cfg = (REG_RD(bp, params->shmem_base +
7940 			  offsetof(struct shmem_region,
7941 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7942 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7943 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7944 
7945 	if (pin_cfg == PIN_CFG_NA)
7946 		return;
7947 	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7948 		       power, pin_cfg);
7949 	/* Low ==> corresponding SFP+ module is powered
7950 	 * high ==> the SFP+ module is powered down
7951 	 */
7952 	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7953 }
7954 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7955 						 struct link_params *params,
7956 						 u8 dev_addr,
7957 						 u16 addr, u8 byte_cnt,
7958 						 u8 *o_buf, u8 is_init)
7959 {
7960 	int rc = 0;
7961 	u8 i, j = 0, cnt = 0;
7962 	u32 data_array[4];
7963 	u16 addr32;
7964 	struct bnx2x *bp = params->bp;
7965 
7966 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7967 		DP(NETIF_MSG_LINK,
7968 		   "Reading from eeprom is limited to 16 bytes\n");
7969 		return -EINVAL;
7970 	}
7971 
7972 	/* 4 byte aligned address */
7973 	addr32 = addr & (~0x3);
7974 	do {
7975 		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7976 			bnx2x_warpcore_power_module(params, 0);
7977 			/* Note that 100us are not enough here */
7978 			usleep_range(1000, 2000);
7979 			bnx2x_warpcore_power_module(params, 1);
7980 		}
7981 		rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7982 				    data_array);
7983 	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7984 
7985 	if (rc == 0) {
7986 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7987 			o_buf[j] = *((u8 *)data_array + i);
7988 			j++;
7989 		}
7990 	}
7991 
7992 	return rc;
7993 }
7994 
7995 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7996 					     struct link_params *params,
7997 					     u8 dev_addr, u16 addr, u8 byte_cnt,
7998 					     u8 *o_buf, u8 is_init)
7999 {
8000 	struct bnx2x *bp = params->bp;
8001 	u16 val, i;
8002 
8003 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
8004 		DP(NETIF_MSG_LINK,
8005 		   "Reading from eeprom is limited to 0xf\n");
8006 		return -EINVAL;
8007 	}
8008 
8009 	/* Set 2-wire transfer rate of SFP+ module EEPROM
8010 	 * to 100Khz since some DACs(direct attached cables) do
8011 	 * not work at 400Khz.
8012 	 */
8013 	bnx2x_cl45_write(bp, phy,
8014 			 MDIO_PMA_DEVAD,
8015 			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8016 			 ((dev_addr << 8) | 1));
8017 
8018 	/* Need to read from 1.8000 to clear it */
8019 	bnx2x_cl45_read(bp, phy,
8020 			MDIO_PMA_DEVAD,
8021 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8022 			&val);
8023 
8024 	/* Set the read command byte count */
8025 	bnx2x_cl45_write(bp, phy,
8026 			 MDIO_PMA_DEVAD,
8027 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8028 			 ((byte_cnt < 2) ? 2 : byte_cnt));
8029 
8030 	/* Set the read command address */
8031 	bnx2x_cl45_write(bp, phy,
8032 			 MDIO_PMA_DEVAD,
8033 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8034 			 addr);
8035 	/* Set the destination address */
8036 	bnx2x_cl45_write(bp, phy,
8037 			 MDIO_PMA_DEVAD,
8038 			 0x8004,
8039 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
8040 
8041 	/* Activate read command */
8042 	bnx2x_cl45_write(bp, phy,
8043 			 MDIO_PMA_DEVAD,
8044 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8045 			 0x8002);
8046 	/* Wait appropriate time for two-wire command to finish before
8047 	 * polling the status register
8048 	 */
8049 	usleep_range(1000, 2000);
8050 
8051 	/* Wait up to 500us for command complete status */
8052 	for (i = 0; i < 100; i++) {
8053 		bnx2x_cl45_read(bp, phy,
8054 				MDIO_PMA_DEVAD,
8055 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8056 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8057 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8058 			break;
8059 		udelay(5);
8060 	}
8061 
8062 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8063 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8064 		DP(NETIF_MSG_LINK,
8065 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8066 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8067 		return -EFAULT;
8068 	}
8069 
8070 	/* Read the buffer */
8071 	for (i = 0; i < byte_cnt; i++) {
8072 		bnx2x_cl45_read(bp, phy,
8073 				MDIO_PMA_DEVAD,
8074 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8075 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8076 	}
8077 
8078 	for (i = 0; i < 100; i++) {
8079 		bnx2x_cl45_read(bp, phy,
8080 				MDIO_PMA_DEVAD,
8081 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8082 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8083 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8084 			return 0;
8085 		usleep_range(1000, 2000);
8086 	}
8087 
8088 	return -EINVAL;
8089 }
8090 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8091 				 struct link_params *params, u8 dev_addr,
8092 				 u16 addr, u16 byte_cnt, u8 *o_buf)
8093 {
8094 	int rc = 0;
8095 	struct bnx2x *bp = params->bp;
8096 	u8 xfer_size;
8097 	u8 *user_data = o_buf;
8098 	read_sfp_module_eeprom_func_p read_func;
8099 
8100 	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8101 		DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8102 		return -EINVAL;
8103 	}
8104 
8105 	switch (phy->type) {
8106 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8107 		read_func = bnx2x_8726_read_sfp_module_eeprom;
8108 		break;
8109 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8110 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8111 		read_func = bnx2x_8727_read_sfp_module_eeprom;
8112 		break;
8113 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8114 		read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8115 		break;
8116 	default:
8117 		return -EOPNOTSUPP;
8118 	}
8119 
8120 	while (!rc && (byte_cnt > 0)) {
8121 		xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8122 			SFP_EEPROM_PAGE_SIZE : byte_cnt;
8123 		rc = read_func(phy, params, dev_addr, addr, xfer_size,
8124 			       user_data, 0);
8125 		byte_cnt -= xfer_size;
8126 		user_data += xfer_size;
8127 		addr += xfer_size;
8128 	}
8129 	return rc;
8130 }
8131 
8132 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8133 			      struct link_params *params,
8134 			      u16 *edc_mode)
8135 {
8136 	struct bnx2x *bp = params->bp;
8137 	u32 sync_offset = 0, phy_idx, media_types;
8138 	u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8139 	*edc_mode = EDC_MODE_LIMITING;
8140 	phy->media_type = ETH_PHY_UNSPECIFIED;
8141 	/* First check for copper cable */
8142 	if (bnx2x_read_sfp_module_eeprom(phy,
8143 					 params,
8144 					 I2C_DEV_ADDR_A0,
8145 					 0,
8146 					 SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8147 					 (u8 *)val) != 0) {
8148 		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8149 		return -EINVAL;
8150 	}
8151 	params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8152 	params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8153 		LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8154 	bnx2x_update_link_attr(params, params->link_attr_sync);
8155 	switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
8156 	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8157 	{
8158 		u8 copper_module_type;
8159 		phy->media_type = ETH_PHY_DA_TWINAX;
8160 		/* Check if its active cable (includes SFP+ module)
8161 		 * of passive cable
8162 		 */
8163 		copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
8164 
8165 		if (copper_module_type &
8166 		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8167 			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8168 			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8169 				*edc_mode = EDC_MODE_ACTIVE_DAC;
8170 			else
8171 				check_limiting_mode = 1;
8172 		} else {
8173 			*edc_mode = EDC_MODE_PASSIVE_DAC;
8174 			/* Even in case PASSIVE_DAC indication is not set,
8175 			 * treat it as a passive DAC cable, since some cables
8176 			 * don't have this indication.
8177 			 */
8178 			if (copper_module_type &
8179 			    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8180 				DP(NETIF_MSG_LINK,
8181 				   "Passive Copper cable detected\n");
8182 			} else {
8183 				DP(NETIF_MSG_LINK,
8184 				   "Unknown copper-cable-type\n");
8185 			}
8186 		}
8187 		break;
8188 	}
8189 	case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8190 	case SFP_EEPROM_CON_TYPE_VAL_LC:
8191 	case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8192 		check_limiting_mode = 1;
8193 		if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
8194 		     (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8195 		      SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8196 		       SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
8197 		    (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
8198 			DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8199 			phy->media_type = ETH_PHY_SFP_1G_FIBER;
8200 			if (phy->req_line_speed != SPEED_1000) {
8201 				u8 gport = params->port;
8202 				phy->req_line_speed = SPEED_1000;
8203 				if (!CHIP_IS_E1x(bp)) {
8204 					gport = BP_PATH(bp) +
8205 					(params->port << 1);
8206 				}
8207 				netdev_err(bp->dev,
8208 					   "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8209 					   gport);
8210 			}
8211 			if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
8212 			    SFP_EEPROM_1G_COMP_CODE_BASE_T) {
8213 				bnx2x_sfp_set_transmitter(params, phy, 0);
8214 				msleep(40);
8215 				bnx2x_sfp_set_transmitter(params, phy, 1);
8216 			}
8217 		} else {
8218 			int idx, cfg_idx = 0;
8219 			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8220 			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8221 				if (params->phy[idx].type == phy->type) {
8222 					cfg_idx = LINK_CONFIG_IDX(idx);
8223 					break;
8224 				}
8225 			}
8226 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8227 			phy->req_line_speed = params->req_line_speed[cfg_idx];
8228 		}
8229 		break;
8230 	default:
8231 		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8232 			 val[SFP_EEPROM_CON_TYPE_ADDR]);
8233 		return -EINVAL;
8234 	}
8235 	sync_offset = params->shmem_base +
8236 		offsetof(struct shmem_region,
8237 			 dev_info.port_hw_config[params->port].media_type);
8238 	media_types = REG_RD(bp, sync_offset);
8239 	/* Update media type for non-PMF sync */
8240 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8241 		if (&(params->phy[phy_idx]) == phy) {
8242 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8243 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8244 			media_types |= ((phy->media_type &
8245 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8246 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8247 			break;
8248 		}
8249 	}
8250 	REG_WR(bp, sync_offset, media_types);
8251 	if (check_limiting_mode) {
8252 		u8 options[SFP_EEPROM_OPTIONS_SIZE];
8253 		if (bnx2x_read_sfp_module_eeprom(phy,
8254 						 params,
8255 						 I2C_DEV_ADDR_A0,
8256 						 SFP_EEPROM_OPTIONS_ADDR,
8257 						 SFP_EEPROM_OPTIONS_SIZE,
8258 						 options) != 0) {
8259 			DP(NETIF_MSG_LINK,
8260 			   "Failed to read Option field from module EEPROM\n");
8261 			return -EINVAL;
8262 		}
8263 		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8264 			*edc_mode = EDC_MODE_LINEAR;
8265 		else
8266 			*edc_mode = EDC_MODE_LIMITING;
8267 	}
8268 	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8269 	return 0;
8270 }
8271 /* This function read the relevant field from the module (SFP+), and verify it
8272  * is compliant with this board
8273  */
8274 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8275 				   struct link_params *params)
8276 {
8277 	struct bnx2x *bp = params->bp;
8278 	u32 val, cmd;
8279 	u32 fw_resp, fw_cmd_param;
8280 	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8281 	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8282 	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8283 	val = REG_RD(bp, params->shmem_base +
8284 			 offsetof(struct shmem_region, dev_info.
8285 				  port_feature_config[params->port].config));
8286 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8287 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8288 		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8289 		return 0;
8290 	}
8291 
8292 	if (params->feature_config_flags &
8293 	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8294 		/* Use specific phy request */
8295 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8296 	} else if (params->feature_config_flags &
8297 		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8298 		/* Use first phy request only in case of non-dual media*/
8299 		if (DUAL_MEDIA(params)) {
8300 			DP(NETIF_MSG_LINK,
8301 			   "FW does not support OPT MDL verification\n");
8302 			return -EINVAL;
8303 		}
8304 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8305 	} else {
8306 		/* No support in OPT MDL detection */
8307 		DP(NETIF_MSG_LINK,
8308 		   "FW does not support OPT MDL verification\n");
8309 		return -EINVAL;
8310 	}
8311 
8312 	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8313 	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8314 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8315 		DP(NETIF_MSG_LINK, "Approved module\n");
8316 		return 0;
8317 	}
8318 
8319 	/* Format the warning message */
8320 	if (bnx2x_read_sfp_module_eeprom(phy,
8321 					 params,
8322 					 I2C_DEV_ADDR_A0,
8323 					 SFP_EEPROM_VENDOR_NAME_ADDR,
8324 					 SFP_EEPROM_VENDOR_NAME_SIZE,
8325 					 (u8 *)vendor_name))
8326 		vendor_name[0] = '\0';
8327 	else
8328 		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8329 	if (bnx2x_read_sfp_module_eeprom(phy,
8330 					 params,
8331 					 I2C_DEV_ADDR_A0,
8332 					 SFP_EEPROM_PART_NO_ADDR,
8333 					 SFP_EEPROM_PART_NO_SIZE,
8334 					 (u8 *)vendor_pn))
8335 		vendor_pn[0] = '\0';
8336 	else
8337 		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8338 
8339 	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8340 			      " Port %d from %s part number %s\n",
8341 			 params->port, vendor_name, vendor_pn);
8342 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8343 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8344 		phy->flags |= FLAGS_SFP_NOT_APPROVED;
8345 	return -EINVAL;
8346 }
8347 
8348 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8349 						 struct link_params *params)
8350 
8351 {
8352 	u8 val;
8353 	int rc;
8354 	struct bnx2x *bp = params->bp;
8355 	u16 timeout;
8356 	/* Initialization time after hot-plug may take up to 300ms for
8357 	 * some phys type ( e.g. JDSU )
8358 	 */
8359 
8360 	for (timeout = 0; timeout < 60; timeout++) {
8361 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8362 			rc = bnx2x_warpcore_read_sfp_module_eeprom(
8363 				phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8364 				1);
8365 		else
8366 			rc = bnx2x_read_sfp_module_eeprom(phy, params,
8367 							  I2C_DEV_ADDR_A0,
8368 							  1, 1, &val);
8369 		if (rc == 0) {
8370 			DP(NETIF_MSG_LINK,
8371 			   "SFP+ module initialization took %d ms\n",
8372 			   timeout * 5);
8373 			return 0;
8374 		}
8375 		usleep_range(5000, 10000);
8376 	}
8377 	rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8378 					  1, 1, &val);
8379 	return rc;
8380 }
8381 
8382 static void bnx2x_8727_power_module(struct bnx2x *bp,
8383 				    struct bnx2x_phy *phy,
8384 				    u8 is_power_up) {
8385 	/* Make sure GPIOs are not using for LED mode */
8386 	u16 val;
8387 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8388 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8389 	 * output
8390 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8391 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8392 	 * where the 1st bit is the over-current(only input), and 2nd bit is
8393 	 * for power( only output )
8394 	 *
8395 	 * In case of NOC feature is disabled and power is up, set GPIO control
8396 	 *  as input to enable listening of over-current indication
8397 	 */
8398 	if (phy->flags & FLAGS_NOC)
8399 		return;
8400 	if (is_power_up)
8401 		val = (1<<4);
8402 	else
8403 		/* Set GPIO control to OUTPUT, and set the power bit
8404 		 * to according to the is_power_up
8405 		 */
8406 		val = (1<<1);
8407 
8408 	bnx2x_cl45_write(bp, phy,
8409 			 MDIO_PMA_DEVAD,
8410 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8411 			 val);
8412 }
8413 
8414 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8415 					struct bnx2x_phy *phy,
8416 					u16 edc_mode)
8417 {
8418 	u16 cur_limiting_mode;
8419 
8420 	bnx2x_cl45_read(bp, phy,
8421 			MDIO_PMA_DEVAD,
8422 			MDIO_PMA_REG_ROM_VER2,
8423 			&cur_limiting_mode);
8424 	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8425 		 cur_limiting_mode);
8426 
8427 	if (edc_mode == EDC_MODE_LIMITING) {
8428 		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8429 		bnx2x_cl45_write(bp, phy,
8430 				 MDIO_PMA_DEVAD,
8431 				 MDIO_PMA_REG_ROM_VER2,
8432 				 EDC_MODE_LIMITING);
8433 	} else { /* LRM mode ( default )*/
8434 
8435 		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8436 
8437 		/* Changing to LRM mode takes quite few seconds. So do it only
8438 		 * if current mode is limiting (default is LRM)
8439 		 */
8440 		if (cur_limiting_mode != EDC_MODE_LIMITING)
8441 			return 0;
8442 
8443 		bnx2x_cl45_write(bp, phy,
8444 				 MDIO_PMA_DEVAD,
8445 				 MDIO_PMA_REG_LRM_MODE,
8446 				 0);
8447 		bnx2x_cl45_write(bp, phy,
8448 				 MDIO_PMA_DEVAD,
8449 				 MDIO_PMA_REG_ROM_VER2,
8450 				 0x128);
8451 		bnx2x_cl45_write(bp, phy,
8452 				 MDIO_PMA_DEVAD,
8453 				 MDIO_PMA_REG_MISC_CTRL0,
8454 				 0x4008);
8455 		bnx2x_cl45_write(bp, phy,
8456 				 MDIO_PMA_DEVAD,
8457 				 MDIO_PMA_REG_LRM_MODE,
8458 				 0xaaaa);
8459 	}
8460 	return 0;
8461 }
8462 
8463 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8464 					struct bnx2x_phy *phy,
8465 					u16 edc_mode)
8466 {
8467 	u16 phy_identifier;
8468 	u16 rom_ver2_val;
8469 	bnx2x_cl45_read(bp, phy,
8470 			MDIO_PMA_DEVAD,
8471 			MDIO_PMA_REG_PHY_IDENTIFIER,
8472 			&phy_identifier);
8473 
8474 	bnx2x_cl45_write(bp, phy,
8475 			 MDIO_PMA_DEVAD,
8476 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8477 			 (phy_identifier & ~(1<<9)));
8478 
8479 	bnx2x_cl45_read(bp, phy,
8480 			MDIO_PMA_DEVAD,
8481 			MDIO_PMA_REG_ROM_VER2,
8482 			&rom_ver2_val);
8483 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8484 	bnx2x_cl45_write(bp, phy,
8485 			 MDIO_PMA_DEVAD,
8486 			 MDIO_PMA_REG_ROM_VER2,
8487 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8488 
8489 	bnx2x_cl45_write(bp, phy,
8490 			 MDIO_PMA_DEVAD,
8491 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8492 			 (phy_identifier | (1<<9)));
8493 
8494 	return 0;
8495 }
8496 
8497 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8498 				     struct link_params *params,
8499 				     u32 action)
8500 {
8501 	struct bnx2x *bp = params->bp;
8502 	u16 val;
8503 	switch (action) {
8504 	case DISABLE_TX:
8505 		bnx2x_sfp_set_transmitter(params, phy, 0);
8506 		break;
8507 	case ENABLE_TX:
8508 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8509 			bnx2x_sfp_set_transmitter(params, phy, 1);
8510 		break;
8511 	case PHY_INIT:
8512 		bnx2x_cl45_write(bp, phy,
8513 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8514 				 (1<<2) | (1<<5));
8515 		bnx2x_cl45_write(bp, phy,
8516 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8517 				 0);
8518 		bnx2x_cl45_write(bp, phy,
8519 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8520 		/* Make MOD_ABS give interrupt on change */
8521 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8522 				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8523 				&val);
8524 		val |= (1<<12);
8525 		if (phy->flags & FLAGS_NOC)
8526 			val |= (3<<5);
8527 		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8528 		 * status which reflect SFP+ module over-current
8529 		 */
8530 		if (!(phy->flags & FLAGS_NOC))
8531 			val &= 0xff8f; /* Reset bits 4-6 */
8532 		bnx2x_cl45_write(bp, phy,
8533 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8534 				 val);
8535 		break;
8536 	default:
8537 		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8538 		   action);
8539 		return;
8540 	}
8541 }
8542 
8543 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8544 					   u8 gpio_mode)
8545 {
8546 	struct bnx2x *bp = params->bp;
8547 
8548 	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8549 			    offsetof(struct shmem_region,
8550 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8551 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8552 	switch (fault_led_gpio) {
8553 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8554 		return;
8555 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8556 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8557 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8558 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8559 	{
8560 		u8 gpio_port = bnx2x_get_gpio_port(params);
8561 		u16 gpio_pin = fault_led_gpio -
8562 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8563 		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8564 				   "pin %x port %x mode %x\n",
8565 			       gpio_pin, gpio_port, gpio_mode);
8566 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8567 	}
8568 	break;
8569 	default:
8570 		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8571 			       fault_led_gpio);
8572 	}
8573 }
8574 
8575 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8576 					  u8 gpio_mode)
8577 {
8578 	u32 pin_cfg;
8579 	u8 port = params->port;
8580 	struct bnx2x *bp = params->bp;
8581 	pin_cfg = (REG_RD(bp, params->shmem_base +
8582 			 offsetof(struct shmem_region,
8583 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8584 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8585 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8586 	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8587 		       gpio_mode, pin_cfg);
8588 	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8589 }
8590 
8591 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8592 					   u8 gpio_mode)
8593 {
8594 	struct bnx2x *bp = params->bp;
8595 	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8596 	if (CHIP_IS_E3(bp)) {
8597 		/* Low ==> if SFP+ module is supported otherwise
8598 		 * High ==> if SFP+ module is not on the approved vendor list
8599 		 */
8600 		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8601 	} else
8602 		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8603 }
8604 
8605 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8606 				    struct link_params *params)
8607 {
8608 	struct bnx2x *bp = params->bp;
8609 	bnx2x_warpcore_power_module(params, 0);
8610 	/* Put Warpcore in low power mode */
8611 	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8612 
8613 	/* Put LCPLL in low power mode */
8614 	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8615 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8616 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8617 }
8618 
8619 static void bnx2x_power_sfp_module(struct link_params *params,
8620 				   struct bnx2x_phy *phy,
8621 				   u8 power)
8622 {
8623 	struct bnx2x *bp = params->bp;
8624 	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8625 
8626 	switch (phy->type) {
8627 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8628 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8629 		bnx2x_8727_power_module(params->bp, phy, power);
8630 		break;
8631 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8632 		bnx2x_warpcore_power_module(params, power);
8633 		break;
8634 	default:
8635 		break;
8636 	}
8637 }
8638 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8639 					     struct bnx2x_phy *phy,
8640 					     u16 edc_mode)
8641 {
8642 	u16 val = 0;
8643 	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8644 	struct bnx2x *bp = params->bp;
8645 
8646 	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8647 	/* This is a global register which controls all lanes */
8648 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8649 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8650 	val &= ~(0xf << (lane << 2));
8651 
8652 	switch (edc_mode) {
8653 	case EDC_MODE_LINEAR:
8654 	case EDC_MODE_LIMITING:
8655 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8656 		break;
8657 	case EDC_MODE_PASSIVE_DAC:
8658 	case EDC_MODE_ACTIVE_DAC:
8659 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8660 		break;
8661 	default:
8662 		break;
8663 	}
8664 
8665 	val |= (mode << (lane << 2));
8666 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8667 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8668 	/* A must read */
8669 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8670 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8671 
8672 	/* Restart microcode to re-read the new mode */
8673 	bnx2x_warpcore_reset_lane(bp, phy, 1);
8674 	bnx2x_warpcore_reset_lane(bp, phy, 0);
8675 
8676 }
8677 
8678 static void bnx2x_set_limiting_mode(struct link_params *params,
8679 				    struct bnx2x_phy *phy,
8680 				    u16 edc_mode)
8681 {
8682 	switch (phy->type) {
8683 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8684 		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8685 		break;
8686 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8687 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8688 		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8689 		break;
8690 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8691 		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8692 		break;
8693 	}
8694 }
8695 
8696 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8697 				      struct link_params *params)
8698 {
8699 	struct bnx2x *bp = params->bp;
8700 	u16 edc_mode;
8701 	int rc = 0;
8702 
8703 	u32 val = REG_RD(bp, params->shmem_base +
8704 			     offsetof(struct shmem_region, dev_info.
8705 				     port_feature_config[params->port].config));
8706 	/* Enabled transmitter by default */
8707 	bnx2x_sfp_set_transmitter(params, phy, 1);
8708 	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8709 		 params->port);
8710 	/* Power up module */
8711 	bnx2x_power_sfp_module(params, phy, 1);
8712 	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8713 		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8714 		return -EINVAL;
8715 	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8716 		/* Check SFP+ module compatibility */
8717 		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8718 		rc = -EINVAL;
8719 		/* Turn on fault module-detected led */
8720 		bnx2x_set_sfp_module_fault_led(params,
8721 					       MISC_REGISTERS_GPIO_HIGH);
8722 
8723 		/* Check if need to power down the SFP+ module */
8724 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8725 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8726 			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8727 			bnx2x_power_sfp_module(params, phy, 0);
8728 			return rc;
8729 		}
8730 	} else {
8731 		/* Turn off fault module-detected led */
8732 		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8733 	}
8734 
8735 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8736 	 * is done automatically
8737 	 */
8738 	bnx2x_set_limiting_mode(params, phy, edc_mode);
8739 
8740 	/* Disable transmit for this module if the module is not approved, and
8741 	 * laser needs to be disabled.
8742 	 */
8743 	if ((rc) &&
8744 	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8745 	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8746 		bnx2x_sfp_set_transmitter(params, phy, 0);
8747 
8748 	return rc;
8749 }
8750 
8751 void bnx2x_handle_module_detect_int(struct link_params *params)
8752 {
8753 	struct bnx2x *bp = params->bp;
8754 	struct bnx2x_phy *phy;
8755 	u32 gpio_val;
8756 	u8 gpio_num, gpio_port;
8757 	if (CHIP_IS_E3(bp)) {
8758 		phy = &params->phy[INT_PHY];
8759 		/* Always enable TX laser,will be disabled in case of fault */
8760 		bnx2x_sfp_set_transmitter(params, phy, 1);
8761 	} else {
8762 		phy = &params->phy[EXT_PHY1];
8763 	}
8764 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8765 				      params->port, &gpio_num, &gpio_port) ==
8766 	    -EINVAL) {
8767 		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8768 		return;
8769 	}
8770 
8771 	/* Set valid module led off */
8772 	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8773 
8774 	/* Get current gpio val reflecting module plugged in / out*/
8775 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8776 
8777 	/* Call the handling function in case module is detected */
8778 	if (gpio_val == 0) {
8779 		bnx2x_set_mdio_emac_per_phy(bp, params);
8780 		bnx2x_set_aer_mmd(params, phy);
8781 
8782 		bnx2x_power_sfp_module(params, phy, 1);
8783 		bnx2x_set_gpio_int(bp, gpio_num,
8784 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8785 				   gpio_port);
8786 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8787 			bnx2x_sfp_module_detection(phy, params);
8788 			if (CHIP_IS_E3(bp)) {
8789 				u16 rx_tx_in_reset;
8790 				/* In case WC is out of reset, reconfigure the
8791 				 * link speed while taking into account 1G
8792 				 * module limitation.
8793 				 */
8794 				bnx2x_cl45_read(bp, phy,
8795 						MDIO_WC_DEVAD,
8796 						MDIO_WC_REG_DIGITAL5_MISC6,
8797 						&rx_tx_in_reset);
8798 				if ((!rx_tx_in_reset) &&
8799 				    (params->link_flags &
8800 				     PHY_INITIALIZED)) {
8801 					bnx2x_warpcore_reset_lane(bp, phy, 1);
8802 					bnx2x_warpcore_config_sfi(phy, params);
8803 					bnx2x_warpcore_reset_lane(bp, phy, 0);
8804 				}
8805 			}
8806 		} else {
8807 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8808 		}
8809 	} else {
8810 		bnx2x_set_gpio_int(bp, gpio_num,
8811 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8812 				   gpio_port);
8813 		/* Module was plugged out.
8814 		 * Disable transmit for this module
8815 		 */
8816 		phy->media_type = ETH_PHY_NOT_PRESENT;
8817 	}
8818 }
8819 
8820 /******************************************************************/
8821 /*		Used by 8706 and 8727                             */
8822 /******************************************************************/
8823 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8824 				 struct bnx2x_phy *phy,
8825 				 u16 alarm_status_offset,
8826 				 u16 alarm_ctrl_offset)
8827 {
8828 	u16 alarm_status, val;
8829 	bnx2x_cl45_read(bp, phy,
8830 			MDIO_PMA_DEVAD, alarm_status_offset,
8831 			&alarm_status);
8832 	bnx2x_cl45_read(bp, phy,
8833 			MDIO_PMA_DEVAD, alarm_status_offset,
8834 			&alarm_status);
8835 	/* Mask or enable the fault event. */
8836 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8837 	if (alarm_status & (1<<0))
8838 		val &= ~(1<<0);
8839 	else
8840 		val |= (1<<0);
8841 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8842 }
8843 /******************************************************************/
8844 /*		common BCM8706/BCM8726 PHY SECTION		  */
8845 /******************************************************************/
8846 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8847 				      struct link_params *params,
8848 				      struct link_vars *vars)
8849 {
8850 	u8 link_up = 0;
8851 	u16 val1, val2, rx_sd, pcs_status;
8852 	struct bnx2x *bp = params->bp;
8853 	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8854 	/* Clear RX Alarm*/
8855 	bnx2x_cl45_read(bp, phy,
8856 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8857 
8858 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8859 			     MDIO_PMA_LASI_TXCTRL);
8860 
8861 	/* Clear LASI indication*/
8862 	bnx2x_cl45_read(bp, phy,
8863 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8864 	bnx2x_cl45_read(bp, phy,
8865 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8866 	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8867 
8868 	bnx2x_cl45_read(bp, phy,
8869 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8870 	bnx2x_cl45_read(bp, phy,
8871 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8872 	bnx2x_cl45_read(bp, phy,
8873 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8874 	bnx2x_cl45_read(bp, phy,
8875 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8876 
8877 	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8878 			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8879 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8880 	 * are set, or if the autoneg bit 1 is set
8881 	 */
8882 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8883 	if (link_up) {
8884 		if (val2 & (1<<1))
8885 			vars->line_speed = SPEED_1000;
8886 		else
8887 			vars->line_speed = SPEED_10000;
8888 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8889 		vars->duplex = DUPLEX_FULL;
8890 	}
8891 
8892 	/* Capture 10G link fault. Read twice to clear stale value. */
8893 	if (vars->line_speed == SPEED_10000) {
8894 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8895 			    MDIO_PMA_LASI_TXSTAT, &val1);
8896 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8897 			    MDIO_PMA_LASI_TXSTAT, &val1);
8898 		if (val1 & (1<<0))
8899 			vars->fault_detected = 1;
8900 	}
8901 
8902 	return link_up;
8903 }
8904 
8905 /******************************************************************/
8906 /*			BCM8706 PHY SECTION			  */
8907 /******************************************************************/
8908 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8909 				 struct link_params *params,
8910 				 struct link_vars *vars)
8911 {
8912 	u32 tx_en_mode;
8913 	u16 cnt, val, tmp1;
8914 	struct bnx2x *bp = params->bp;
8915 
8916 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8917 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8918 	/* HW reset */
8919 	bnx2x_ext_phy_hw_reset(bp, params->port);
8920 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8921 	bnx2x_wait_reset_complete(bp, phy, params);
8922 
8923 	/* Wait until fw is loaded */
8924 	for (cnt = 0; cnt < 100; cnt++) {
8925 		bnx2x_cl45_read(bp, phy,
8926 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8927 		if (val)
8928 			break;
8929 		usleep_range(10000, 20000);
8930 	}
8931 	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8932 	if ((params->feature_config_flags &
8933 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8934 		u8 i;
8935 		u16 reg;
8936 		for (i = 0; i < 4; i++) {
8937 			reg = MDIO_XS_8706_REG_BANK_RX0 +
8938 				i*(MDIO_XS_8706_REG_BANK_RX1 -
8939 				   MDIO_XS_8706_REG_BANK_RX0);
8940 			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8941 			/* Clear first 3 bits of the control */
8942 			val &= ~0x7;
8943 			/* Set control bits according to configuration */
8944 			val |= (phy->rx_preemphasis[i] & 0x7);
8945 			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8946 				   " reg 0x%x <-- val 0x%x\n", reg, val);
8947 			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8948 		}
8949 	}
8950 	/* Force speed */
8951 	if (phy->req_line_speed == SPEED_10000) {
8952 		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8953 
8954 		bnx2x_cl45_write(bp, phy,
8955 				 MDIO_PMA_DEVAD,
8956 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8957 		bnx2x_cl45_write(bp, phy,
8958 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8959 				 0);
8960 		/* Arm LASI for link and Tx fault. */
8961 		bnx2x_cl45_write(bp, phy,
8962 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8963 	} else {
8964 		/* Force 1Gbps using autoneg with 1G advertisement */
8965 
8966 		/* Allow CL37 through CL73 */
8967 		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8968 		bnx2x_cl45_write(bp, phy,
8969 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8970 
8971 		/* Enable Full-Duplex advertisement on CL37 */
8972 		bnx2x_cl45_write(bp, phy,
8973 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8974 		/* Enable CL37 AN */
8975 		bnx2x_cl45_write(bp, phy,
8976 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8977 		/* 1G support */
8978 		bnx2x_cl45_write(bp, phy,
8979 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8980 
8981 		/* Enable clause 73 AN */
8982 		bnx2x_cl45_write(bp, phy,
8983 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8984 		bnx2x_cl45_write(bp, phy,
8985 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8986 				 0x0400);
8987 		bnx2x_cl45_write(bp, phy,
8988 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8989 				 0x0004);
8990 	}
8991 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8992 
8993 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8994 	 * power mode, if TX Laser is disabled
8995 	 */
8996 
8997 	tx_en_mode = REG_RD(bp, params->shmem_base +
8998 			    offsetof(struct shmem_region,
8999 				dev_info.port_hw_config[params->port].sfp_ctrl))
9000 			& PORT_HW_CFG_TX_LASER_MASK;
9001 
9002 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9003 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9004 		bnx2x_cl45_read(bp, phy,
9005 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
9006 		tmp1 |= 0x1;
9007 		bnx2x_cl45_write(bp, phy,
9008 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
9009 	}
9010 
9011 	return 0;
9012 }
9013 
9014 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
9015 				  struct link_params *params,
9016 				  struct link_vars *vars)
9017 {
9018 	return bnx2x_8706_8726_read_status(phy, params, vars);
9019 }
9020 
9021 /******************************************************************/
9022 /*			BCM8726 PHY SECTION			  */
9023 /******************************************************************/
9024 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
9025 				       struct link_params *params)
9026 {
9027 	struct bnx2x *bp = params->bp;
9028 	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
9029 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
9030 }
9031 
9032 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
9033 					 struct link_params *params)
9034 {
9035 	struct bnx2x *bp = params->bp;
9036 	/* Need to wait 100ms after reset */
9037 	msleep(100);
9038 
9039 	/* Micro controller re-boot */
9040 	bnx2x_cl45_write(bp, phy,
9041 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
9042 
9043 	/* Set soft reset */
9044 	bnx2x_cl45_write(bp, phy,
9045 			 MDIO_PMA_DEVAD,
9046 			 MDIO_PMA_REG_GEN_CTRL,
9047 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
9048 
9049 	bnx2x_cl45_write(bp, phy,
9050 			 MDIO_PMA_DEVAD,
9051 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
9052 
9053 	bnx2x_cl45_write(bp, phy,
9054 			 MDIO_PMA_DEVAD,
9055 			 MDIO_PMA_REG_GEN_CTRL,
9056 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
9057 
9058 	/* Wait for 150ms for microcode load */
9059 	msleep(150);
9060 
9061 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9062 	bnx2x_cl45_write(bp, phy,
9063 			 MDIO_PMA_DEVAD,
9064 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
9065 
9066 	msleep(200);
9067 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
9068 }
9069 
9070 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9071 				 struct link_params *params,
9072 				 struct link_vars *vars)
9073 {
9074 	struct bnx2x *bp = params->bp;
9075 	u16 val1;
9076 	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9077 	if (link_up) {
9078 		bnx2x_cl45_read(bp, phy,
9079 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9080 				&val1);
9081 		if (val1 & (1<<15)) {
9082 			DP(NETIF_MSG_LINK, "Tx is disabled\n");
9083 			link_up = 0;
9084 			vars->line_speed = 0;
9085 		}
9086 	}
9087 	return link_up;
9088 }
9089 
9090 
9091 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9092 				  struct link_params *params,
9093 				  struct link_vars *vars)
9094 {
9095 	struct bnx2x *bp = params->bp;
9096 	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9097 
9098 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9099 	bnx2x_wait_reset_complete(bp, phy, params);
9100 
9101 	bnx2x_8726_external_rom_boot(phy, params);
9102 
9103 	/* Need to call module detected on initialization since the module
9104 	 * detection triggered by actual module insertion might occur before
9105 	 * driver is loaded, and when driver is loaded, it reset all
9106 	 * registers, including the transmitter
9107 	 */
9108 	bnx2x_sfp_module_detection(phy, params);
9109 
9110 	if (phy->req_line_speed == SPEED_1000) {
9111 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9112 		bnx2x_cl45_write(bp, phy,
9113 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9114 		bnx2x_cl45_write(bp, phy,
9115 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9116 		bnx2x_cl45_write(bp, phy,
9117 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9118 		bnx2x_cl45_write(bp, phy,
9119 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9120 				 0x400);
9121 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9122 		   (phy->speed_cap_mask &
9123 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9124 		   ((phy->speed_cap_mask &
9125 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9126 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9127 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9128 		/* Set Flow control */
9129 		bnx2x_ext_phy_set_pause(params, phy, vars);
9130 		bnx2x_cl45_write(bp, phy,
9131 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9132 		bnx2x_cl45_write(bp, phy,
9133 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9134 		bnx2x_cl45_write(bp, phy,
9135 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9136 		bnx2x_cl45_write(bp, phy,
9137 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9138 		bnx2x_cl45_write(bp, phy,
9139 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9140 		/* Enable RX-ALARM control to receive interrupt for 1G speed
9141 		 * change
9142 		 */
9143 		bnx2x_cl45_write(bp, phy,
9144 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9145 		bnx2x_cl45_write(bp, phy,
9146 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9147 				 0x400);
9148 
9149 	} else { /* Default 10G. Set only LASI control */
9150 		bnx2x_cl45_write(bp, phy,
9151 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9152 	}
9153 
9154 	/* Set TX PreEmphasis if needed */
9155 	if ((params->feature_config_flags &
9156 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9157 		DP(NETIF_MSG_LINK,
9158 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9159 			 phy->tx_preemphasis[0],
9160 			 phy->tx_preemphasis[1]);
9161 		bnx2x_cl45_write(bp, phy,
9162 				 MDIO_PMA_DEVAD,
9163 				 MDIO_PMA_REG_8726_TX_CTRL1,
9164 				 phy->tx_preemphasis[0]);
9165 
9166 		bnx2x_cl45_write(bp, phy,
9167 				 MDIO_PMA_DEVAD,
9168 				 MDIO_PMA_REG_8726_TX_CTRL2,
9169 				 phy->tx_preemphasis[1]);
9170 	}
9171 
9172 	return 0;
9173 
9174 }
9175 
9176 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9177 				  struct link_params *params)
9178 {
9179 	struct bnx2x *bp = params->bp;
9180 	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9181 	/* Set serial boot control for external load */
9182 	bnx2x_cl45_write(bp, phy,
9183 			 MDIO_PMA_DEVAD,
9184 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9185 }
9186 
9187 /******************************************************************/
9188 /*			BCM8727 PHY SECTION			  */
9189 /******************************************************************/
9190 
9191 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9192 				    struct link_params *params, u8 mode)
9193 {
9194 	struct bnx2x *bp = params->bp;
9195 	u16 led_mode_bitmask = 0;
9196 	u16 gpio_pins_bitmask = 0;
9197 	u16 val;
9198 	/* Only NOC flavor requires to set the LED specifically */
9199 	if (!(phy->flags & FLAGS_NOC))
9200 		return;
9201 	switch (mode) {
9202 	case LED_MODE_FRONT_PANEL_OFF:
9203 	case LED_MODE_OFF:
9204 		led_mode_bitmask = 0;
9205 		gpio_pins_bitmask = 0x03;
9206 		break;
9207 	case LED_MODE_ON:
9208 		led_mode_bitmask = 0;
9209 		gpio_pins_bitmask = 0x02;
9210 		break;
9211 	case LED_MODE_OPER:
9212 		led_mode_bitmask = 0x60;
9213 		gpio_pins_bitmask = 0x11;
9214 		break;
9215 	}
9216 	bnx2x_cl45_read(bp, phy,
9217 			MDIO_PMA_DEVAD,
9218 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9219 			&val);
9220 	val &= 0xff8f;
9221 	val |= led_mode_bitmask;
9222 	bnx2x_cl45_write(bp, phy,
9223 			 MDIO_PMA_DEVAD,
9224 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9225 			 val);
9226 	bnx2x_cl45_read(bp, phy,
9227 			MDIO_PMA_DEVAD,
9228 			MDIO_PMA_REG_8727_GPIO_CTRL,
9229 			&val);
9230 	val &= 0xffe0;
9231 	val |= gpio_pins_bitmask;
9232 	bnx2x_cl45_write(bp, phy,
9233 			 MDIO_PMA_DEVAD,
9234 			 MDIO_PMA_REG_8727_GPIO_CTRL,
9235 			 val);
9236 }
9237 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9238 				struct link_params *params) {
9239 	u32 swap_val, swap_override;
9240 	u8 port;
9241 	/* The PHY reset is controlled by GPIO 1. Fake the port number
9242 	 * to cancel the swap done in set_gpio()
9243 	 */
9244 	struct bnx2x *bp = params->bp;
9245 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9246 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9247 	port = (swap_val && swap_override) ^ 1;
9248 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9249 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9250 }
9251 
9252 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9253 				    struct link_params *params)
9254 {
9255 	struct bnx2x *bp = params->bp;
9256 	u16 tmp1, val;
9257 	/* Set option 1G speed */
9258 	if ((phy->req_line_speed == SPEED_1000) ||
9259 	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9260 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9261 		bnx2x_cl45_write(bp, phy,
9262 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9263 		bnx2x_cl45_write(bp, phy,
9264 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9265 		bnx2x_cl45_read(bp, phy,
9266 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9267 		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9268 		/* Power down the XAUI until link is up in case of dual-media
9269 		 * and 1G
9270 		 */
9271 		if (DUAL_MEDIA(params)) {
9272 			bnx2x_cl45_read(bp, phy,
9273 					MDIO_PMA_DEVAD,
9274 					MDIO_PMA_REG_8727_PCS_GP, &val);
9275 			val |= (3<<10);
9276 			bnx2x_cl45_write(bp, phy,
9277 					 MDIO_PMA_DEVAD,
9278 					 MDIO_PMA_REG_8727_PCS_GP, val);
9279 		}
9280 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9281 		   ((phy->speed_cap_mask &
9282 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9283 		   ((phy->speed_cap_mask &
9284 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9285 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9286 
9287 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9288 		bnx2x_cl45_write(bp, phy,
9289 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9290 		bnx2x_cl45_write(bp, phy,
9291 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9292 	} else {
9293 		/* Since the 8727 has only single reset pin, need to set the 10G
9294 		 * registers although it is default
9295 		 */
9296 		bnx2x_cl45_write(bp, phy,
9297 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9298 				 0x0020);
9299 		bnx2x_cl45_write(bp, phy,
9300 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9301 		bnx2x_cl45_write(bp, phy,
9302 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9303 		bnx2x_cl45_write(bp, phy,
9304 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9305 				 0x0008);
9306 	}
9307 }
9308 
9309 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9310 				  struct link_params *params,
9311 				  struct link_vars *vars)
9312 {
9313 	u32 tx_en_mode;
9314 	u16 tmp1, mod_abs, tmp2;
9315 	struct bnx2x *bp = params->bp;
9316 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9317 
9318 	bnx2x_wait_reset_complete(bp, phy, params);
9319 
9320 	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9321 
9322 	bnx2x_8727_specific_func(phy, params, PHY_INIT);
9323 	/* Initially configure MOD_ABS to interrupt when module is
9324 	 * presence( bit 8)
9325 	 */
9326 	bnx2x_cl45_read(bp, phy,
9327 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9328 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9329 	 * When the EDC is off it locks onto a reference clock and avoids
9330 	 * becoming 'lost'
9331 	 */
9332 	mod_abs &= ~(1<<8);
9333 	if (!(phy->flags & FLAGS_NOC))
9334 		mod_abs &= ~(1<<9);
9335 	bnx2x_cl45_write(bp, phy,
9336 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9337 
9338 	/* Enable/Disable PHY transmitter output */
9339 	bnx2x_set_disable_pmd_transmit(params, phy, 0);
9340 
9341 	bnx2x_8727_power_module(bp, phy, 1);
9342 
9343 	bnx2x_cl45_read(bp, phy,
9344 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9345 
9346 	bnx2x_cl45_read(bp, phy,
9347 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9348 
9349 	bnx2x_8727_config_speed(phy, params);
9350 
9351 
9352 	/* Set TX PreEmphasis if needed */
9353 	if ((params->feature_config_flags &
9354 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9355 		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9356 			   phy->tx_preemphasis[0],
9357 			   phy->tx_preemphasis[1]);
9358 		bnx2x_cl45_write(bp, phy,
9359 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9360 				 phy->tx_preemphasis[0]);
9361 
9362 		bnx2x_cl45_write(bp, phy,
9363 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9364 				 phy->tx_preemphasis[1]);
9365 	}
9366 
9367 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9368 	 * power mode, if TX Laser is disabled
9369 	 */
9370 	tx_en_mode = REG_RD(bp, params->shmem_base +
9371 			    offsetof(struct shmem_region,
9372 				dev_info.port_hw_config[params->port].sfp_ctrl))
9373 			& PORT_HW_CFG_TX_LASER_MASK;
9374 
9375 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9376 
9377 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9378 		bnx2x_cl45_read(bp, phy,
9379 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9380 		tmp2 |= 0x1000;
9381 		tmp2 &= 0xFFEF;
9382 		bnx2x_cl45_write(bp, phy,
9383 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9384 		bnx2x_cl45_read(bp, phy,
9385 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9386 				&tmp2);
9387 		bnx2x_cl45_write(bp, phy,
9388 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9389 				 (tmp2 & 0x7fff));
9390 	}
9391 
9392 	return 0;
9393 }
9394 
9395 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9396 				      struct link_params *params)
9397 {
9398 	struct bnx2x *bp = params->bp;
9399 	u16 mod_abs, rx_alarm_status;
9400 	u32 val = REG_RD(bp, params->shmem_base +
9401 			     offsetof(struct shmem_region, dev_info.
9402 				      port_feature_config[params->port].
9403 				      config));
9404 	bnx2x_cl45_read(bp, phy,
9405 			MDIO_PMA_DEVAD,
9406 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9407 	if (mod_abs & (1<<8)) {
9408 
9409 		/* Module is absent */
9410 		DP(NETIF_MSG_LINK,
9411 		   "MOD_ABS indication show module is absent\n");
9412 		phy->media_type = ETH_PHY_NOT_PRESENT;
9413 		/* 1. Set mod_abs to detect next module
9414 		 *    presence event
9415 		 * 2. Set EDC off by setting OPTXLOS signal input to low
9416 		 *    (bit 9).
9417 		 *    When the EDC is off it locks onto a reference clock and
9418 		 *    avoids becoming 'lost'.
9419 		 */
9420 		mod_abs &= ~(1<<8);
9421 		if (!(phy->flags & FLAGS_NOC))
9422 			mod_abs &= ~(1<<9);
9423 		bnx2x_cl45_write(bp, phy,
9424 				 MDIO_PMA_DEVAD,
9425 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9426 
9427 		/* Clear RX alarm since it stays up as long as
9428 		 * the mod_abs wasn't changed
9429 		 */
9430 		bnx2x_cl45_read(bp, phy,
9431 				MDIO_PMA_DEVAD,
9432 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9433 
9434 	} else {
9435 		/* Module is present */
9436 		DP(NETIF_MSG_LINK,
9437 		   "MOD_ABS indication show module is present\n");
9438 		/* First disable transmitter, and if the module is ok, the
9439 		 * module_detection will enable it
9440 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9441 		 * 2. Restore the default polarity of the OPRXLOS signal and
9442 		 * this signal will then correctly indicate the presence or
9443 		 * absence of the Rx signal. (bit 9)
9444 		 */
9445 		mod_abs |= (1<<8);
9446 		if (!(phy->flags & FLAGS_NOC))
9447 			mod_abs |= (1<<9);
9448 		bnx2x_cl45_write(bp, phy,
9449 				 MDIO_PMA_DEVAD,
9450 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9451 
9452 		/* Clear RX alarm since it stays up as long as the mod_abs
9453 		 * wasn't changed. This is need to be done before calling the
9454 		 * module detection, otherwise it will clear* the link update
9455 		 * alarm
9456 		 */
9457 		bnx2x_cl45_read(bp, phy,
9458 				MDIO_PMA_DEVAD,
9459 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9460 
9461 
9462 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9463 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9464 			bnx2x_sfp_set_transmitter(params, phy, 0);
9465 
9466 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9467 			bnx2x_sfp_module_detection(phy, params);
9468 		else
9469 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9470 
9471 		/* Reconfigure link speed based on module type limitations */
9472 		bnx2x_8727_config_speed(phy, params);
9473 	}
9474 
9475 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9476 		   rx_alarm_status);
9477 	/* No need to check link status in case of module plugged in/out */
9478 }
9479 
9480 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9481 				 struct link_params *params,
9482 				 struct link_vars *vars)
9483 
9484 {
9485 	struct bnx2x *bp = params->bp;
9486 	u8 link_up = 0, oc_port = params->port;
9487 	u16 link_status = 0;
9488 	u16 rx_alarm_status, lasi_ctrl, val1;
9489 
9490 	/* If PHY is not initialized, do not check link status */
9491 	bnx2x_cl45_read(bp, phy,
9492 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9493 			&lasi_ctrl);
9494 	if (!lasi_ctrl)
9495 		return 0;
9496 
9497 	/* Check the LASI on Rx */
9498 	bnx2x_cl45_read(bp, phy,
9499 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9500 			&rx_alarm_status);
9501 	vars->line_speed = 0;
9502 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9503 
9504 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9505 			     MDIO_PMA_LASI_TXCTRL);
9506 
9507 	bnx2x_cl45_read(bp, phy,
9508 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9509 
9510 	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9511 
9512 	/* Clear MSG-OUT */
9513 	bnx2x_cl45_read(bp, phy,
9514 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9515 
9516 	/* If a module is present and there is need to check
9517 	 * for over current
9518 	 */
9519 	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9520 		/* Check over-current using 8727 GPIO0 input*/
9521 		bnx2x_cl45_read(bp, phy,
9522 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9523 				&val1);
9524 
9525 		if ((val1 & (1<<8)) == 0) {
9526 			if (!CHIP_IS_E1x(bp))
9527 				oc_port = BP_PATH(bp) + (params->port << 1);
9528 			DP(NETIF_MSG_LINK,
9529 			   "8727 Power fault has been detected on port %d\n",
9530 			   oc_port);
9531 			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9532 					    "been detected and the power to "
9533 					    "that SFP+ module has been removed "
9534 					    "to prevent failure of the card. "
9535 					    "Please remove the SFP+ module and "
9536 					    "restart the system to clear this "
9537 					    "error.\n",
9538 			 oc_port);
9539 			/* Disable all RX_ALARMs except for mod_abs */
9540 			bnx2x_cl45_write(bp, phy,
9541 					 MDIO_PMA_DEVAD,
9542 					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9543 
9544 			bnx2x_cl45_read(bp, phy,
9545 					MDIO_PMA_DEVAD,
9546 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9547 			/* Wait for module_absent_event */
9548 			val1 |= (1<<8);
9549 			bnx2x_cl45_write(bp, phy,
9550 					 MDIO_PMA_DEVAD,
9551 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9552 			/* Clear RX alarm */
9553 			bnx2x_cl45_read(bp, phy,
9554 				MDIO_PMA_DEVAD,
9555 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9556 			bnx2x_8727_power_module(params->bp, phy, 0);
9557 			return 0;
9558 		}
9559 	} /* Over current check */
9560 
9561 	/* When module absent bit is set, check module */
9562 	if (rx_alarm_status & (1<<5)) {
9563 		bnx2x_8727_handle_mod_abs(phy, params);
9564 		/* Enable all mod_abs and link detection bits */
9565 		bnx2x_cl45_write(bp, phy,
9566 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9567 				 ((1<<5) | (1<<2)));
9568 	}
9569 
9570 	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9571 		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9572 		bnx2x_sfp_set_transmitter(params, phy, 1);
9573 	} else {
9574 		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9575 		return 0;
9576 	}
9577 
9578 	bnx2x_cl45_read(bp, phy,
9579 			MDIO_PMA_DEVAD,
9580 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9581 
9582 	/* Bits 0..2 --> speed detected,
9583 	 * Bits 13..15--> link is down
9584 	 */
9585 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9586 		link_up = 1;
9587 		vars->line_speed = SPEED_10000;
9588 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9589 			   params->port);
9590 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9591 		link_up = 1;
9592 		vars->line_speed = SPEED_1000;
9593 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9594 			   params->port);
9595 	} else {
9596 		link_up = 0;
9597 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9598 			   params->port);
9599 	}
9600 
9601 	/* Capture 10G link fault. */
9602 	if (vars->line_speed == SPEED_10000) {
9603 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9604 			    MDIO_PMA_LASI_TXSTAT, &val1);
9605 
9606 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9607 			    MDIO_PMA_LASI_TXSTAT, &val1);
9608 
9609 		if (val1 & (1<<0)) {
9610 			vars->fault_detected = 1;
9611 		}
9612 	}
9613 
9614 	if (link_up) {
9615 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9616 		vars->duplex = DUPLEX_FULL;
9617 		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9618 	}
9619 
9620 	if ((DUAL_MEDIA(params)) &&
9621 	    (phy->req_line_speed == SPEED_1000)) {
9622 		bnx2x_cl45_read(bp, phy,
9623 				MDIO_PMA_DEVAD,
9624 				MDIO_PMA_REG_8727_PCS_GP, &val1);
9625 		/* In case of dual-media board and 1G, power up the XAUI side,
9626 		 * otherwise power it down. For 10G it is done automatically
9627 		 */
9628 		if (link_up)
9629 			val1 &= ~(3<<10);
9630 		else
9631 			val1 |= (3<<10);
9632 		bnx2x_cl45_write(bp, phy,
9633 				 MDIO_PMA_DEVAD,
9634 				 MDIO_PMA_REG_8727_PCS_GP, val1);
9635 	}
9636 	return link_up;
9637 }
9638 
9639 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9640 				  struct link_params *params)
9641 {
9642 	struct bnx2x *bp = params->bp;
9643 
9644 	/* Enable/Disable PHY transmitter output */
9645 	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9646 
9647 	/* Disable Transmitter */
9648 	bnx2x_sfp_set_transmitter(params, phy, 0);
9649 	/* Clear LASI */
9650 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9651 
9652 }
9653 
9654 /******************************************************************/
9655 /*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9656 /******************************************************************/
9657 static int bnx2x_is_8483x_8485x(struct bnx2x_phy *phy)
9658 {
9659 	return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9660 		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
9661 		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
9662 }
9663 
9664 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9665 					    struct bnx2x *bp,
9666 					    u8 port)
9667 {
9668 	u16 val, fw_ver2, cnt, i;
9669 	static struct bnx2x_reg_set reg_set[] = {
9670 		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
9671 		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9672 		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9673 		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9674 		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
9675 	};
9676 	u16 fw_ver1;
9677 
9678 	if (bnx2x_is_8483x_8485x(phy)) {
9679 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9680 		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9681 				phy->ver_addr);
9682 	} else {
9683 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9684 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9685 		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9686 			bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9687 					 reg_set[i].reg, reg_set[i].val);
9688 
9689 		for (cnt = 0; cnt < 100; cnt++) {
9690 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9691 			if (val & 1)
9692 				break;
9693 			udelay(5);
9694 		}
9695 		if (cnt == 100) {
9696 			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9697 					"phy fw version(1)\n");
9698 			bnx2x_save_spirom_version(bp, port, 0,
9699 						  phy->ver_addr);
9700 			return;
9701 		}
9702 
9703 
9704 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9705 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9706 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9707 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9708 		for (cnt = 0; cnt < 100; cnt++) {
9709 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9710 			if (val & 1)
9711 				break;
9712 			udelay(5);
9713 		}
9714 		if (cnt == 100) {
9715 			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9716 					"version(2)\n");
9717 			bnx2x_save_spirom_version(bp, port, 0,
9718 						  phy->ver_addr);
9719 			return;
9720 		}
9721 
9722 		/* lower 16 bits of the register SPI_FW_STATUS */
9723 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9724 		/* upper 16 bits of register SPI_FW_STATUS */
9725 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9726 
9727 		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9728 					  phy->ver_addr);
9729 	}
9730 
9731 }
9732 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9733 				struct bnx2x_phy *phy)
9734 {
9735 	u16 val, offset, i;
9736 	static struct bnx2x_reg_set reg_set[] = {
9737 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9738 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9739 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9740 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9741 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9742 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9743 		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9744 	};
9745 	/* PHYC_CTL_LED_CTL */
9746 	bnx2x_cl45_read(bp, phy,
9747 			MDIO_PMA_DEVAD,
9748 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9749 	val &= 0xFE00;
9750 	val |= 0x0092;
9751 
9752 	bnx2x_cl45_write(bp, phy,
9753 			 MDIO_PMA_DEVAD,
9754 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9755 
9756 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9757 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9758 				 reg_set[i].val);
9759 
9760 	if (bnx2x_is_8483x_8485x(phy))
9761 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9762 	else
9763 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9764 
9765 	/* stretch_en for LED3*/
9766 	bnx2x_cl45_read_or_write(bp, phy,
9767 				 MDIO_PMA_DEVAD, offset,
9768 				 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
9769 }
9770 
9771 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9772 				      struct link_params *params,
9773 				      u32 action)
9774 {
9775 	struct bnx2x *bp = params->bp;
9776 	switch (action) {
9777 	case PHY_INIT:
9778 		if (!bnx2x_is_8483x_8485x(phy)) {
9779 			/* Save spirom version */
9780 			bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9781 		}
9782 		/* This phy uses the NIG latch mechanism since link indication
9783 		 * arrives through its LED4 and not via its LASI signal, so we
9784 		 * get steady signal instead of clear on read
9785 		 */
9786 		bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9787 			      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9788 
9789 		bnx2x_848xx_set_led(bp, phy);
9790 		break;
9791 	}
9792 }
9793 
9794 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9795 				       struct link_params *params,
9796 				       struct link_vars *vars)
9797 {
9798 	struct bnx2x *bp = params->bp;
9799 	u16 autoneg_val, an_1000_val, an_10_100_val;
9800 
9801 	bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9802 	bnx2x_cl45_write(bp, phy,
9803 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9804 
9805 	/* set 1000 speed advertisement */
9806 	bnx2x_cl45_read(bp, phy,
9807 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9808 			&an_1000_val);
9809 
9810 	bnx2x_ext_phy_set_pause(params, phy, vars);
9811 	bnx2x_cl45_read(bp, phy,
9812 			MDIO_AN_DEVAD,
9813 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9814 			&an_10_100_val);
9815 	bnx2x_cl45_read(bp, phy,
9816 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9817 			&autoneg_val);
9818 	/* Disable forced speed */
9819 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9820 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9821 
9822 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9823 	     (phy->speed_cap_mask &
9824 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9825 	    (phy->req_line_speed == SPEED_1000)) {
9826 		an_1000_val |= (1<<8);
9827 		autoneg_val |= (1<<9 | 1<<12);
9828 		if (phy->req_duplex == DUPLEX_FULL)
9829 			an_1000_val |= (1<<9);
9830 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9831 	} else
9832 		an_1000_val &= ~((1<<8) | (1<<9));
9833 
9834 	bnx2x_cl45_write(bp, phy,
9835 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9836 			 an_1000_val);
9837 
9838 	/* Set 10/100 speed advertisement */
9839 	if (phy->req_line_speed == SPEED_AUTO_NEG) {
9840 		if (phy->speed_cap_mask &
9841 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9842 			/* Enable autoneg and restart autoneg for legacy speeds
9843 			 */
9844 			autoneg_val |= (1<<9 | 1<<12);
9845 			an_10_100_val |= (1<<8);
9846 			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9847 		}
9848 
9849 		if (phy->speed_cap_mask &
9850 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9851 			/* Enable autoneg and restart autoneg for legacy speeds
9852 			 */
9853 			autoneg_val |= (1<<9 | 1<<12);
9854 			an_10_100_val |= (1<<7);
9855 			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9856 		}
9857 
9858 		if ((phy->speed_cap_mask &
9859 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9860 		    (phy->supported & SUPPORTED_10baseT_Full)) {
9861 			an_10_100_val |= (1<<6);
9862 			autoneg_val |= (1<<9 | 1<<12);
9863 			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9864 		}
9865 
9866 		if ((phy->speed_cap_mask &
9867 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9868 		    (phy->supported & SUPPORTED_10baseT_Half)) {
9869 			an_10_100_val |= (1<<5);
9870 			autoneg_val |= (1<<9 | 1<<12);
9871 			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9872 		}
9873 	}
9874 
9875 	/* Only 10/100 are allowed to work in FORCE mode */
9876 	if ((phy->req_line_speed == SPEED_100) &&
9877 	    (phy->supported &
9878 	     (SUPPORTED_100baseT_Half |
9879 	      SUPPORTED_100baseT_Full))) {
9880 		autoneg_val |= (1<<13);
9881 		/* Enabled AUTO-MDIX when autoneg is disabled */
9882 		bnx2x_cl45_write(bp, phy,
9883 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9884 				 (1<<15 | 1<<9 | 7<<0));
9885 		/* The PHY needs this set even for forced link. */
9886 		an_10_100_val |= (1<<8) | (1<<7);
9887 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9888 	}
9889 	if ((phy->req_line_speed == SPEED_10) &&
9890 	    (phy->supported &
9891 	     (SUPPORTED_10baseT_Half |
9892 	      SUPPORTED_10baseT_Full))) {
9893 		/* Enabled AUTO-MDIX when autoneg is disabled */
9894 		bnx2x_cl45_write(bp, phy,
9895 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9896 				 (1<<15 | 1<<9 | 7<<0));
9897 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9898 	}
9899 
9900 	bnx2x_cl45_write(bp, phy,
9901 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9902 			 an_10_100_val);
9903 
9904 	if (phy->req_duplex == DUPLEX_FULL)
9905 		autoneg_val |= (1<<8);
9906 
9907 	/* Always write this if this is not 84833/4.
9908 	 * For 84833/4, write it only when it's a forced speed.
9909 	 */
9910 	if (!bnx2x_is_8483x_8485x(phy) ||
9911 	    ((autoneg_val & (1<<12)) == 0))
9912 		bnx2x_cl45_write(bp, phy,
9913 			 MDIO_AN_DEVAD,
9914 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9915 
9916 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9917 	    (phy->speed_cap_mask &
9918 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9919 		(phy->req_line_speed == SPEED_10000)) {
9920 			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9921 			/* Restart autoneg for 10G*/
9922 
9923 			bnx2x_cl45_read_or_write(
9924 				bp, phy,
9925 				MDIO_AN_DEVAD,
9926 				MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9927 				0x1000);
9928 			bnx2x_cl45_write(bp, phy,
9929 					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9930 					 0x3200);
9931 	} else
9932 		bnx2x_cl45_write(bp, phy,
9933 				 MDIO_AN_DEVAD,
9934 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9935 				 1);
9936 
9937 	return 0;
9938 }
9939 
9940 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9941 				  struct link_params *params,
9942 				  struct link_vars *vars)
9943 {
9944 	struct bnx2x *bp = params->bp;
9945 	/* Restore normal power mode*/
9946 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9947 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9948 
9949 	/* HW reset */
9950 	bnx2x_ext_phy_hw_reset(bp, params->port);
9951 	bnx2x_wait_reset_complete(bp, phy, params);
9952 
9953 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9954 	return bnx2x_848xx_cmn_config_init(phy, params, vars);
9955 }
9956 
9957 #define PHY848xx_CMDHDLR_WAIT 300
9958 #define PHY848xx_CMDHDLR_MAX_ARGS 5
9959 
9960 static int bnx2x_84858_cmd_hdlr(struct bnx2x_phy *phy,
9961 				struct link_params *params,
9962 				u16 fw_cmd,
9963 				u16 cmd_args[], int argc)
9964 {
9965 	int idx;
9966 	u16 val;
9967 	struct bnx2x *bp = params->bp;
9968 
9969 	/* Step 1: Poll the STATUS register to see whether the previous command
9970 	 * is in progress or the system is busy (CMD_IN_PROGRESS or
9971 	 * SYSTEM_BUSY). If previous command is in progress or system is busy,
9972 	 * check again until the previous command finishes execution and the
9973 	 * system is available for taking command
9974 	 */
9975 
9976 	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
9977 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9978 				MDIO_848xx_CMD_HDLR_STATUS, &val);
9979 		if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
9980 		    (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
9981 			break;
9982 		usleep_range(1000, 2000);
9983 	}
9984 	if (idx >= PHY848xx_CMDHDLR_WAIT) {
9985 		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9986 		return -EINVAL;
9987 	}
9988 
9989 	/* Step2: If any parameters are required for the function, write them
9990 	 * to the required DATA registers
9991 	 */
9992 
9993 	for (idx = 0; idx < argc; idx++) {
9994 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9995 				 MDIO_848xx_CMD_HDLR_DATA1 + idx,
9996 				 cmd_args[idx]);
9997 	}
9998 
9999 	/* Step3: When the firmware is ready for commands, write the 'Command
10000 	 * code' to the CMD register
10001 	 */
10002 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10003 			 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10004 
10005 	/* Step4: Once the command has been written, poll the STATUS register
10006 	 * to check whether the command has completed (CMD_COMPLETED_PASS/
10007 	 * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
10008 	 */
10009 
10010 	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10011 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10012 				MDIO_848xx_CMD_HDLR_STATUS, &val);
10013 		if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
10014 		    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
10015 			break;
10016 		usleep_range(1000, 2000);
10017 	}
10018 	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10019 	    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
10020 		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
10021 		return -EINVAL;
10022 	}
10023 	/* Step5: Once the command has completed, read the specficied DATA
10024 	 * registers for any saved results for the command, if applicable
10025 	 */
10026 
10027 	/* Gather returning data */
10028 	for (idx = 0; idx < argc; idx++) {
10029 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10030 				MDIO_848xx_CMD_HDLR_DATA1 + idx,
10031 				&cmd_args[idx]);
10032 	}
10033 
10034 	return 0;
10035 }
10036 
10037 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
10038 				struct link_params *params, u16 fw_cmd,
10039 				u16 cmd_args[], int argc)
10040 {
10041 	int idx;
10042 	u16 val;
10043 	struct bnx2x *bp = params->bp;
10044 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
10045 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10046 			MDIO_848xx_CMD_HDLR_STATUS,
10047 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
10048 	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10049 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10050 				MDIO_848xx_CMD_HDLR_STATUS, &val);
10051 		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
10052 			break;
10053 		usleep_range(1000, 2000);
10054 	}
10055 	if (idx >= PHY848xx_CMDHDLR_WAIT) {
10056 		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
10057 		return -EINVAL;
10058 	}
10059 
10060 	/* Prepare argument(s) and issue command */
10061 	for (idx = 0; idx < argc; idx++) {
10062 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10063 				MDIO_848xx_CMD_HDLR_DATA1 + idx,
10064 				cmd_args[idx]);
10065 	}
10066 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10067 			MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10068 	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10069 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10070 				MDIO_848xx_CMD_HDLR_STATUS, &val);
10071 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
10072 		    (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
10073 			break;
10074 		usleep_range(1000, 2000);
10075 	}
10076 	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10077 	    (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
10078 		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
10079 		return -EINVAL;
10080 	}
10081 	/* Gather returning data */
10082 	for (idx = 0; idx < argc; idx++) {
10083 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10084 				MDIO_848xx_CMD_HDLR_DATA1 + idx,
10085 				&cmd_args[idx]);
10086 	}
10087 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10088 			MDIO_848xx_CMD_HDLR_STATUS,
10089 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
10090 	return 0;
10091 }
10092 
10093 static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy,
10094 				struct link_params *params,
10095 				u16 fw_cmd,
10096 				u16 cmd_args[], int argc)
10097 {
10098 	struct bnx2x *bp = params->bp;
10099 
10100 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
10101 	    (REG_RD(bp, params->shmem2_base +
10102 		    offsetof(struct shmem2_region,
10103 			     link_attr_sync[params->port])) &
10104 	     LINK_ATTR_84858)) {
10105 		return bnx2x_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
10106 					    argc);
10107 	} else {
10108 		return bnx2x_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
10109 					    argc);
10110 	}
10111 }
10112 
10113 static int bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy *phy,
10114 				     struct link_params *params,
10115 				     struct link_vars *vars)
10116 {
10117 	u32 pair_swap;
10118 	u16 data[PHY848xx_CMDHDLR_MAX_ARGS];
10119 	int status;
10120 	struct bnx2x *bp = params->bp;
10121 
10122 	/* Check for configuration. */
10123 	pair_swap = REG_RD(bp, params->shmem_base +
10124 			   offsetof(struct shmem_region,
10125 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
10126 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
10127 
10128 	if (pair_swap == 0)
10129 		return 0;
10130 
10131 	/* Only the second argument is used for this command */
10132 	data[1] = (u16)pair_swap;
10133 
10134 	status = bnx2x_848xx_cmd_hdlr(phy, params,
10135 				      PHY848xx_CMD_SET_PAIR_SWAP, data,
10136 				      PHY848xx_CMDHDLR_MAX_ARGS);
10137 	if (status == 0)
10138 		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
10139 
10140 	return status;
10141 }
10142 
10143 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
10144 				      u32 shmem_base_path[],
10145 				      u32 chip_id)
10146 {
10147 	u32 reset_pin[2];
10148 	u32 idx;
10149 	u8 reset_gpios;
10150 	if (CHIP_IS_E3(bp)) {
10151 		/* Assume that these will be GPIOs, not EPIOs. */
10152 		for (idx = 0; idx < 2; idx++) {
10153 			/* Map config param to register bit. */
10154 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10155 				offsetof(struct shmem_region,
10156 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
10157 			reset_pin[idx] = (reset_pin[idx] &
10158 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10159 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10160 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
10161 			reset_pin[idx] = (1 << reset_pin[idx]);
10162 		}
10163 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10164 	} else {
10165 		/* E2, look from diff place of shmem. */
10166 		for (idx = 0; idx < 2; idx++) {
10167 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10168 				offsetof(struct shmem_region,
10169 				dev_info.port_hw_config[0].default_cfg));
10170 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10171 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10172 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10173 			reset_pin[idx] = (1 << reset_pin[idx]);
10174 		}
10175 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10176 	}
10177 
10178 	return reset_gpios;
10179 }
10180 
10181 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10182 				struct link_params *params)
10183 {
10184 	struct bnx2x *bp = params->bp;
10185 	u8 reset_gpios;
10186 	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10187 				offsetof(struct shmem2_region,
10188 				other_shmem_base_addr));
10189 
10190 	u32 shmem_base_path[2];
10191 
10192 	/* Work around for 84833 LED failure inside RESET status */
10193 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10194 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10195 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10196 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10197 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10198 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10199 
10200 	shmem_base_path[0] = params->shmem_base;
10201 	shmem_base_path[1] = other_shmem_base_addr;
10202 
10203 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10204 						  params->chip_id);
10205 
10206 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10207 	udelay(10);
10208 	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10209 		reset_gpios);
10210 
10211 	return 0;
10212 }
10213 
10214 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10215 				   struct link_params *params,
10216 				   struct link_vars *vars)
10217 {
10218 	int rc;
10219 	struct bnx2x *bp = params->bp;
10220 	u16 cmd_args = 0;
10221 
10222 	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10223 
10224 	/* Prevent Phy from working in EEE and advertising it */
10225 	rc = bnx2x_848xx_cmd_hdlr(phy, params,
10226 				  PHY848xx_CMD_SET_EEE_MODE, &cmd_args, 1);
10227 	if (rc) {
10228 		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10229 		return rc;
10230 	}
10231 
10232 	return bnx2x_eee_disable(phy, params, vars);
10233 }
10234 
10235 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10236 				   struct link_params *params,
10237 				   struct link_vars *vars)
10238 {
10239 	int rc;
10240 	struct bnx2x *bp = params->bp;
10241 	u16 cmd_args = 1;
10242 
10243 	rc = bnx2x_848xx_cmd_hdlr(phy, params,
10244 				  PHY848xx_CMD_SET_EEE_MODE, &cmd_args, 1);
10245 	if (rc) {
10246 		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10247 		return rc;
10248 	}
10249 
10250 	return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10251 }
10252 
10253 #define PHY84833_CONSTANT_LATENCY 1193
10254 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10255 				   struct link_params *params,
10256 				   struct link_vars *vars)
10257 {
10258 	struct bnx2x *bp = params->bp;
10259 	u8 port, initialize = 1;
10260 	u16 val;
10261 	u32 actual_phy_selection;
10262 	u16 cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
10263 	int rc = 0;
10264 
10265 	usleep_range(1000, 2000);
10266 
10267 	if (!(CHIP_IS_E1x(bp)))
10268 		port = BP_PATH(bp);
10269 	else
10270 		port = params->port;
10271 
10272 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10273 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10274 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10275 			       port);
10276 	} else {
10277 		/* MDIO reset */
10278 		bnx2x_cl45_write(bp, phy,
10279 				MDIO_PMA_DEVAD,
10280 				MDIO_PMA_REG_CTRL, 0x8000);
10281 	}
10282 
10283 	bnx2x_wait_reset_complete(bp, phy, params);
10284 
10285 	/* Wait for GPHY to come out of reset */
10286 	msleep(50);
10287 	if (!bnx2x_is_8483x_8485x(phy)) {
10288 		/* BCM84823 requires that XGXS links up first @ 10G for normal
10289 		 * behavior.
10290 		 */
10291 		u16 temp;
10292 		temp = vars->line_speed;
10293 		vars->line_speed = SPEED_10000;
10294 		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10295 		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10296 		vars->line_speed = temp;
10297 	}
10298 	/* Check if this is actually BCM84858 */
10299 	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10300 		u16 hw_rev;
10301 
10302 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10303 				MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
10304 		if (hw_rev == BCM84858_PHY_ID) {
10305 			params->link_attr_sync |= LINK_ATTR_84858;
10306 			bnx2x_update_link_attr(params, params->link_attr_sync);
10307 		}
10308 	}
10309 
10310 	/* Set dual-media configuration according to configuration */
10311 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10312 			MDIO_CTL_REG_84823_MEDIA, &val);
10313 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10314 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10315 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10316 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10317 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10318 
10319 	if (CHIP_IS_E3(bp)) {
10320 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10321 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10322 	} else {
10323 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10324 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10325 	}
10326 
10327 	actual_phy_selection = bnx2x_phy_selection(params);
10328 
10329 	switch (actual_phy_selection) {
10330 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10331 		/* Do nothing. Essentially this is like the priority copper */
10332 		break;
10333 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10334 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10335 		break;
10336 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10337 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10338 		break;
10339 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10340 		/* Do nothing here. The first PHY won't be initialized at all */
10341 		break;
10342 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10343 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10344 		initialize = 0;
10345 		break;
10346 	}
10347 	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10348 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10349 
10350 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10351 			 MDIO_CTL_REG_84823_MEDIA, val);
10352 	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10353 		   params->multi_phy_config, val);
10354 
10355 	if (bnx2x_is_8483x_8485x(phy)) {
10356 		bnx2x_848xx_pair_swap_cfg(phy, params, vars);
10357 
10358 		/* Keep AutogrEEEn disabled. */
10359 		cmd_args[0] = 0x0;
10360 		cmd_args[1] = 0x0;
10361 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10362 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10363 		rc = bnx2x_848xx_cmd_hdlr(phy, params,
10364 					  PHY848xx_CMD_SET_EEE_MODE, cmd_args,
10365 					  PHY848xx_CMDHDLR_MAX_ARGS);
10366 		if (rc)
10367 			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10368 	}
10369 	if (initialize)
10370 		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10371 	else
10372 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10373 	/* 84833 PHY has a better feature and doesn't need to support this. */
10374 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10375 		u32 cms_enable = REG_RD(bp, params->shmem_base +
10376 			offsetof(struct shmem_region,
10377 			dev_info.port_hw_config[params->port].default_cfg)) &
10378 			PORT_HW_CFG_ENABLE_CMS_MASK;
10379 
10380 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10381 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10382 		if (cms_enable)
10383 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10384 		else
10385 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10386 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10387 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10388 	}
10389 
10390 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10391 			MDIO_84833_TOP_CFG_FW_REV, &val);
10392 
10393 	/* Configure EEE support */
10394 	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10395 	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10396 	    bnx2x_eee_has_cap(params)) {
10397 		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10398 		if (rc) {
10399 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10400 			bnx2x_8483x_disable_eee(phy, params, vars);
10401 			return rc;
10402 		}
10403 
10404 		if ((phy->req_duplex == DUPLEX_FULL) &&
10405 		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
10406 		    (bnx2x_eee_calc_timer(params) ||
10407 		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10408 			rc = bnx2x_8483x_enable_eee(phy, params, vars);
10409 		else
10410 			rc = bnx2x_8483x_disable_eee(phy, params, vars);
10411 		if (rc) {
10412 			DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10413 			return rc;
10414 		}
10415 	} else {
10416 		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10417 	}
10418 
10419 	if (bnx2x_is_8483x_8485x(phy)) {
10420 		/* Bring PHY out of super isolate mode as the final step. */
10421 		bnx2x_cl45_read_and_write(bp, phy,
10422 					  MDIO_CTL_DEVAD,
10423 					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10424 					  (u16)~MDIO_84833_SUPER_ISOLATE);
10425 	}
10426 	return rc;
10427 }
10428 
10429 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10430 				  struct link_params *params,
10431 				  struct link_vars *vars)
10432 {
10433 	struct bnx2x *bp = params->bp;
10434 	u16 val, val1, val2;
10435 	u8 link_up = 0;
10436 
10437 
10438 	/* Check 10G-BaseT link status */
10439 	/* Check PMD signal ok */
10440 	bnx2x_cl45_read(bp, phy,
10441 			MDIO_AN_DEVAD, 0xFFFA, &val1);
10442 	bnx2x_cl45_read(bp, phy,
10443 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10444 			&val2);
10445 	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10446 
10447 	/* Check link 10G */
10448 	if (val2 & (1<<11)) {
10449 		vars->line_speed = SPEED_10000;
10450 		vars->duplex = DUPLEX_FULL;
10451 		link_up = 1;
10452 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10453 	} else { /* Check Legacy speed link */
10454 		u16 legacy_status, legacy_speed;
10455 
10456 		/* Enable expansion register 0x42 (Operation mode status) */
10457 		bnx2x_cl45_write(bp, phy,
10458 				 MDIO_AN_DEVAD,
10459 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10460 
10461 		/* Get legacy speed operation status */
10462 		bnx2x_cl45_read(bp, phy,
10463 				MDIO_AN_DEVAD,
10464 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10465 				&legacy_status);
10466 
10467 		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10468 		   legacy_status);
10469 		link_up = ((legacy_status & (1<<11)) == (1<<11));
10470 		legacy_speed = (legacy_status & (3<<9));
10471 		if (legacy_speed == (0<<9))
10472 			vars->line_speed = SPEED_10;
10473 		else if (legacy_speed == (1<<9))
10474 			vars->line_speed = SPEED_100;
10475 		else if (legacy_speed == (2<<9))
10476 			vars->line_speed = SPEED_1000;
10477 		else { /* Should not happen: Treat as link down */
10478 			vars->line_speed = 0;
10479 			link_up = 0;
10480 		}
10481 
10482 		if (link_up) {
10483 			if (legacy_status & (1<<8))
10484 				vars->duplex = DUPLEX_FULL;
10485 			else
10486 				vars->duplex = DUPLEX_HALF;
10487 
10488 			DP(NETIF_MSG_LINK,
10489 			   "Link is up in %dMbps, is_duplex_full= %d\n",
10490 			   vars->line_speed,
10491 			   (vars->duplex == DUPLEX_FULL));
10492 			/* Check legacy speed AN resolution */
10493 			bnx2x_cl45_read(bp, phy,
10494 					MDIO_AN_DEVAD,
10495 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10496 					&val);
10497 			if (val & (1<<5))
10498 				vars->link_status |=
10499 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10500 			bnx2x_cl45_read(bp, phy,
10501 					MDIO_AN_DEVAD,
10502 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10503 					&val);
10504 			if ((val & (1<<0)) == 0)
10505 				vars->link_status |=
10506 					LINK_STATUS_PARALLEL_DETECTION_USED;
10507 		}
10508 	}
10509 	if (link_up) {
10510 		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10511 			   vars->line_speed);
10512 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10513 
10514 		/* Read LP advertised speeds */
10515 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10516 				MDIO_AN_REG_CL37_FC_LP, &val);
10517 		if (val & (1<<5))
10518 			vars->link_status |=
10519 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10520 		if (val & (1<<6))
10521 			vars->link_status |=
10522 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10523 		if (val & (1<<7))
10524 			vars->link_status |=
10525 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10526 		if (val & (1<<8))
10527 			vars->link_status |=
10528 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10529 		if (val & (1<<9))
10530 			vars->link_status |=
10531 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10532 
10533 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10534 				MDIO_AN_REG_1000T_STATUS, &val);
10535 
10536 		if (val & (1<<10))
10537 			vars->link_status |=
10538 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10539 		if (val & (1<<11))
10540 			vars->link_status |=
10541 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10542 
10543 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10544 				MDIO_AN_REG_MASTER_STATUS, &val);
10545 
10546 		if (val & (1<<11))
10547 			vars->link_status |=
10548 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10549 
10550 		/* Determine if EEE was negotiated */
10551 		if (bnx2x_is_8483x_8485x(phy))
10552 			bnx2x_eee_an_resolve(phy, params, vars);
10553 	}
10554 
10555 	return link_up;
10556 }
10557 
10558 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10559 {
10560 	int status = 0;
10561 	u32 spirom_ver;
10562 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10563 	status = bnx2x_format_ver(spirom_ver, str, len);
10564 	return status;
10565 }
10566 
10567 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10568 				struct link_params *params)
10569 {
10570 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10571 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10572 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10573 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10574 }
10575 
10576 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10577 					struct link_params *params)
10578 {
10579 	bnx2x_cl45_write(params->bp, phy,
10580 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10581 	bnx2x_cl45_write(params->bp, phy,
10582 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10583 }
10584 
10585 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10586 				   struct link_params *params)
10587 {
10588 	struct bnx2x *bp = params->bp;
10589 	u8 port;
10590 	u16 val16;
10591 
10592 	if (!(CHIP_IS_E1x(bp)))
10593 		port = BP_PATH(bp);
10594 	else
10595 		port = params->port;
10596 
10597 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10598 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10599 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10600 			       port);
10601 	} else {
10602 		bnx2x_cl45_read(bp, phy,
10603 				MDIO_CTL_DEVAD,
10604 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10605 		val16 |= MDIO_84833_SUPER_ISOLATE;
10606 		bnx2x_cl45_write(bp, phy,
10607 				 MDIO_CTL_DEVAD,
10608 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10609 	}
10610 }
10611 
10612 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10613 				     struct link_params *params, u8 mode)
10614 {
10615 	struct bnx2x *bp = params->bp;
10616 	u16 val;
10617 	u8 port;
10618 
10619 	if (!(CHIP_IS_E1x(bp)))
10620 		port = BP_PATH(bp);
10621 	else
10622 		port = params->port;
10623 
10624 	switch (mode) {
10625 	case LED_MODE_OFF:
10626 
10627 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10628 
10629 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10630 		    SHARED_HW_CFG_LED_EXTPHY1) {
10631 
10632 			/* Set LED masks */
10633 			bnx2x_cl45_write(bp, phy,
10634 					MDIO_PMA_DEVAD,
10635 					MDIO_PMA_REG_8481_LED1_MASK,
10636 					0x0);
10637 
10638 			bnx2x_cl45_write(bp, phy,
10639 					MDIO_PMA_DEVAD,
10640 					MDIO_PMA_REG_8481_LED2_MASK,
10641 					0x0);
10642 
10643 			bnx2x_cl45_write(bp, phy,
10644 					MDIO_PMA_DEVAD,
10645 					MDIO_PMA_REG_8481_LED3_MASK,
10646 					0x0);
10647 
10648 			bnx2x_cl45_write(bp, phy,
10649 					MDIO_PMA_DEVAD,
10650 					MDIO_PMA_REG_8481_LED5_MASK,
10651 					0x0);
10652 
10653 		} else {
10654 			bnx2x_cl45_write(bp, phy,
10655 					 MDIO_PMA_DEVAD,
10656 					 MDIO_PMA_REG_8481_LED1_MASK,
10657 					 0x0);
10658 		}
10659 		break;
10660 	case LED_MODE_FRONT_PANEL_OFF:
10661 
10662 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10663 		   port);
10664 
10665 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10666 		    SHARED_HW_CFG_LED_EXTPHY1) {
10667 
10668 			/* Set LED masks */
10669 			bnx2x_cl45_write(bp, phy,
10670 					 MDIO_PMA_DEVAD,
10671 					 MDIO_PMA_REG_8481_LED1_MASK,
10672 					 0x0);
10673 
10674 			bnx2x_cl45_write(bp, phy,
10675 					 MDIO_PMA_DEVAD,
10676 					 MDIO_PMA_REG_8481_LED2_MASK,
10677 					 0x0);
10678 
10679 			bnx2x_cl45_write(bp, phy,
10680 					 MDIO_PMA_DEVAD,
10681 					 MDIO_PMA_REG_8481_LED3_MASK,
10682 					 0x0);
10683 
10684 			bnx2x_cl45_write(bp, phy,
10685 					 MDIO_PMA_DEVAD,
10686 					 MDIO_PMA_REG_8481_LED5_MASK,
10687 					 0x20);
10688 
10689 		} else {
10690 			bnx2x_cl45_write(bp, phy,
10691 					 MDIO_PMA_DEVAD,
10692 					 MDIO_PMA_REG_8481_LED1_MASK,
10693 					 0x0);
10694 			if (phy->type ==
10695 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10696 				/* Disable MI_INT interrupt before setting LED4
10697 				 * source to constant off.
10698 				 */
10699 				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10700 					   params->port*4) &
10701 				    NIG_MASK_MI_INT) {
10702 					params->link_flags |=
10703 					LINK_FLAGS_INT_DISABLED;
10704 
10705 					bnx2x_bits_dis(
10706 						bp,
10707 						NIG_REG_MASK_INTERRUPT_PORT0 +
10708 						params->port*4,
10709 						NIG_MASK_MI_INT);
10710 				}
10711 				bnx2x_cl45_write(bp, phy,
10712 						 MDIO_PMA_DEVAD,
10713 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10714 						 0x0);
10715 			}
10716 		}
10717 		break;
10718 	case LED_MODE_ON:
10719 
10720 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10721 
10722 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10723 		    SHARED_HW_CFG_LED_EXTPHY1) {
10724 			/* Set control reg */
10725 			bnx2x_cl45_read(bp, phy,
10726 					MDIO_PMA_DEVAD,
10727 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10728 					&val);
10729 			val &= 0x8000;
10730 			val |= 0x2492;
10731 
10732 			bnx2x_cl45_write(bp, phy,
10733 					 MDIO_PMA_DEVAD,
10734 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10735 					 val);
10736 
10737 			/* Set LED masks */
10738 			bnx2x_cl45_write(bp, phy,
10739 					 MDIO_PMA_DEVAD,
10740 					 MDIO_PMA_REG_8481_LED1_MASK,
10741 					 0x0);
10742 
10743 			bnx2x_cl45_write(bp, phy,
10744 					 MDIO_PMA_DEVAD,
10745 					 MDIO_PMA_REG_8481_LED2_MASK,
10746 					 0x20);
10747 
10748 			bnx2x_cl45_write(bp, phy,
10749 					 MDIO_PMA_DEVAD,
10750 					 MDIO_PMA_REG_8481_LED3_MASK,
10751 					 0x20);
10752 
10753 			bnx2x_cl45_write(bp, phy,
10754 					 MDIO_PMA_DEVAD,
10755 					 MDIO_PMA_REG_8481_LED5_MASK,
10756 					 0x0);
10757 		} else {
10758 			bnx2x_cl45_write(bp, phy,
10759 					 MDIO_PMA_DEVAD,
10760 					 MDIO_PMA_REG_8481_LED1_MASK,
10761 					 0x20);
10762 			if (phy->type ==
10763 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10764 				/* Disable MI_INT interrupt before setting LED4
10765 				 * source to constant on.
10766 				 */
10767 				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10768 					   params->port*4) &
10769 				    NIG_MASK_MI_INT) {
10770 					params->link_flags |=
10771 					LINK_FLAGS_INT_DISABLED;
10772 
10773 					bnx2x_bits_dis(
10774 						bp,
10775 						NIG_REG_MASK_INTERRUPT_PORT0 +
10776 						params->port*4,
10777 						NIG_MASK_MI_INT);
10778 				}
10779 				bnx2x_cl45_write(bp, phy,
10780 						 MDIO_PMA_DEVAD,
10781 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10782 						 0x20);
10783 			}
10784 		}
10785 		break;
10786 
10787 	case LED_MODE_OPER:
10788 
10789 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10790 
10791 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10792 		    SHARED_HW_CFG_LED_EXTPHY1) {
10793 
10794 			/* Set control reg */
10795 			bnx2x_cl45_read(bp, phy,
10796 					MDIO_PMA_DEVAD,
10797 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10798 					&val);
10799 
10800 			if (!((val &
10801 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10802 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10803 				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10804 				bnx2x_cl45_write(bp, phy,
10805 						 MDIO_PMA_DEVAD,
10806 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10807 						 0xa492);
10808 			}
10809 
10810 			/* Set LED masks */
10811 			bnx2x_cl45_write(bp, phy,
10812 					 MDIO_PMA_DEVAD,
10813 					 MDIO_PMA_REG_8481_LED1_MASK,
10814 					 0x10);
10815 
10816 			bnx2x_cl45_write(bp, phy,
10817 					 MDIO_PMA_DEVAD,
10818 					 MDIO_PMA_REG_8481_LED2_MASK,
10819 					 0x80);
10820 
10821 			bnx2x_cl45_write(bp, phy,
10822 					 MDIO_PMA_DEVAD,
10823 					 MDIO_PMA_REG_8481_LED3_MASK,
10824 					 0x98);
10825 
10826 			bnx2x_cl45_write(bp, phy,
10827 					 MDIO_PMA_DEVAD,
10828 					 MDIO_PMA_REG_8481_LED5_MASK,
10829 					 0x40);
10830 
10831 		} else {
10832 			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10833 			 * sources are all wired through LED1, rather than only
10834 			 * 10G in other modes.
10835 			 */
10836 			val = ((params->hw_led_mode <<
10837 				SHARED_HW_CFG_LED_MODE_SHIFT) ==
10838 			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10839 
10840 			bnx2x_cl45_write(bp, phy,
10841 					 MDIO_PMA_DEVAD,
10842 					 MDIO_PMA_REG_8481_LED1_MASK,
10843 					 val);
10844 
10845 			/* Tell LED3 to blink on source */
10846 			bnx2x_cl45_read(bp, phy,
10847 					MDIO_PMA_DEVAD,
10848 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10849 					&val);
10850 			val &= ~(7<<6);
10851 			val |= (1<<6); /* A83B[8:6]= 1 */
10852 			bnx2x_cl45_write(bp, phy,
10853 					 MDIO_PMA_DEVAD,
10854 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10855 					 val);
10856 			if (phy->type ==
10857 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10858 				/* Restore LED4 source to external link,
10859 				 * and re-enable interrupts.
10860 				 */
10861 				bnx2x_cl45_write(bp, phy,
10862 						 MDIO_PMA_DEVAD,
10863 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10864 						 0x40);
10865 				if (params->link_flags &
10866 				    LINK_FLAGS_INT_DISABLED) {
10867 					bnx2x_link_int_enable(params);
10868 					params->link_flags &=
10869 						~LINK_FLAGS_INT_DISABLED;
10870 				}
10871 			}
10872 		}
10873 		break;
10874 	}
10875 
10876 	/* This is a workaround for E3+84833 until autoneg
10877 	 * restart is fixed in f/w
10878 	 */
10879 	if (CHIP_IS_E3(bp)) {
10880 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10881 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10882 	}
10883 }
10884 
10885 /******************************************************************/
10886 /*			54618SE PHY SECTION			  */
10887 /******************************************************************/
10888 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10889 					struct link_params *params,
10890 					u32 action)
10891 {
10892 	struct bnx2x *bp = params->bp;
10893 	u16 temp;
10894 	switch (action) {
10895 	case PHY_INIT:
10896 		/* Configure LED4: set to INTR (0x6). */
10897 		/* Accessing shadow register 0xe. */
10898 		bnx2x_cl22_write(bp, phy,
10899 				 MDIO_REG_GPHY_SHADOW,
10900 				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10901 		bnx2x_cl22_read(bp, phy,
10902 				MDIO_REG_GPHY_SHADOW,
10903 				&temp);
10904 		temp &= ~(0xf << 4);
10905 		temp |= (0x6 << 4);
10906 		bnx2x_cl22_write(bp, phy,
10907 				 MDIO_REG_GPHY_SHADOW,
10908 				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10909 		/* Configure INTR based on link status change. */
10910 		bnx2x_cl22_write(bp, phy,
10911 				 MDIO_REG_INTR_MASK,
10912 				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10913 		break;
10914 	}
10915 }
10916 
10917 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10918 					       struct link_params *params,
10919 					       struct link_vars *vars)
10920 {
10921 	struct bnx2x *bp = params->bp;
10922 	u8 port;
10923 	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10924 	u32 cfg_pin;
10925 
10926 	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10927 	usleep_range(1000, 2000);
10928 
10929 	/* This works with E3 only, no need to check the chip
10930 	 * before determining the port.
10931 	 */
10932 	port = params->port;
10933 
10934 	cfg_pin = (REG_RD(bp, params->shmem_base +
10935 			offsetof(struct shmem_region,
10936 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10937 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10938 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10939 
10940 	/* Drive pin high to bring the GPHY out of reset. */
10941 	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10942 
10943 	/* wait for GPHY to reset */
10944 	msleep(50);
10945 
10946 	/* reset phy */
10947 	bnx2x_cl22_write(bp, phy,
10948 			 MDIO_PMA_REG_CTRL, 0x8000);
10949 	bnx2x_wait_reset_complete(bp, phy, params);
10950 
10951 	/* Wait for GPHY to reset */
10952 	msleep(50);
10953 
10954 
10955 	bnx2x_54618se_specific_func(phy, params, PHY_INIT);
10956 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10957 	bnx2x_cl22_write(bp, phy,
10958 			MDIO_REG_GPHY_SHADOW,
10959 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10960 	bnx2x_cl22_read(bp, phy,
10961 			MDIO_REG_GPHY_SHADOW,
10962 			&temp);
10963 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10964 	bnx2x_cl22_write(bp, phy,
10965 			MDIO_REG_GPHY_SHADOW,
10966 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10967 
10968 	/* Set up fc */
10969 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10970 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10971 	fc_val = 0;
10972 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10973 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10974 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10975 
10976 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10977 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10978 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10979 
10980 	/* Read all advertisement */
10981 	bnx2x_cl22_read(bp, phy,
10982 			0x09,
10983 			&an_1000_val);
10984 
10985 	bnx2x_cl22_read(bp, phy,
10986 			0x04,
10987 			&an_10_100_val);
10988 
10989 	bnx2x_cl22_read(bp, phy,
10990 			MDIO_PMA_REG_CTRL,
10991 			&autoneg_val);
10992 
10993 	/* Disable forced speed */
10994 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10995 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10996 			   (1<<11));
10997 
10998 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10999 	     (phy->speed_cap_mask &
11000 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
11001 	    (phy->req_line_speed == SPEED_1000)) {
11002 		an_1000_val |= (1<<8);
11003 		autoneg_val |= (1<<9 | 1<<12);
11004 		if (phy->req_duplex == DUPLEX_FULL)
11005 			an_1000_val |= (1<<9);
11006 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
11007 	} else
11008 		an_1000_val &= ~((1<<8) | (1<<9));
11009 
11010 	bnx2x_cl22_write(bp, phy,
11011 			0x09,
11012 			an_1000_val);
11013 	bnx2x_cl22_read(bp, phy,
11014 			0x09,
11015 			&an_1000_val);
11016 
11017 	/* Advertise 10/100 link speed */
11018 	if (phy->req_line_speed == SPEED_AUTO_NEG) {
11019 		if (phy->speed_cap_mask &
11020 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
11021 			an_10_100_val |= (1<<5);
11022 			autoneg_val |= (1<<9 | 1<<12);
11023 			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
11024 		}
11025 		if (phy->speed_cap_mask &
11026 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
11027 			an_10_100_val |= (1<<6);
11028 			autoneg_val |= (1<<9 | 1<<12);
11029 			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
11030 		}
11031 		if (phy->speed_cap_mask &
11032 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
11033 			an_10_100_val |= (1<<7);
11034 			autoneg_val |= (1<<9 | 1<<12);
11035 			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
11036 		}
11037 		if (phy->speed_cap_mask &
11038 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
11039 			an_10_100_val |= (1<<8);
11040 			autoneg_val |= (1<<9 | 1<<12);
11041 			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
11042 		}
11043 	}
11044 
11045 	/* Only 10/100 are allowed to work in FORCE mode */
11046 	if (phy->req_line_speed == SPEED_100) {
11047 		autoneg_val |= (1<<13);
11048 		/* Enabled AUTO-MDIX when autoneg is disabled */
11049 		bnx2x_cl22_write(bp, phy,
11050 				0x18,
11051 				(1<<15 | 1<<9 | 7<<0));
11052 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
11053 	}
11054 	if (phy->req_line_speed == SPEED_10) {
11055 		/* Enabled AUTO-MDIX when autoneg is disabled */
11056 		bnx2x_cl22_write(bp, phy,
11057 				0x18,
11058 				(1<<15 | 1<<9 | 7<<0));
11059 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
11060 	}
11061 
11062 	if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
11063 		int rc;
11064 
11065 		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
11066 				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
11067 				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
11068 		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
11069 		temp &= 0xfffe;
11070 		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
11071 
11072 		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
11073 		if (rc) {
11074 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
11075 			bnx2x_eee_disable(phy, params, vars);
11076 		} else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
11077 			   (phy->req_duplex == DUPLEX_FULL) &&
11078 			   (bnx2x_eee_calc_timer(params) ||
11079 			    !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
11080 			/* Need to advertise EEE only when requested,
11081 			 * and either no LPI assertion was requested,
11082 			 * or it was requested and a valid timer was set.
11083 			 * Also notice full duplex is required for EEE.
11084 			 */
11085 			bnx2x_eee_advertise(phy, params, vars,
11086 					    SHMEM_EEE_1G_ADV);
11087 		} else {
11088 			DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
11089 			bnx2x_eee_disable(phy, params, vars);
11090 		}
11091 	} else {
11092 		vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
11093 				    SHMEM_EEE_SUPPORTED_SHIFT;
11094 
11095 		if (phy->flags & FLAGS_EEE) {
11096 			/* Handle legacy auto-grEEEn */
11097 			if (params->feature_config_flags &
11098 			    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
11099 				temp = 6;
11100 				DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
11101 			} else {
11102 				temp = 0;
11103 				DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
11104 			}
11105 			bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
11106 					 MDIO_AN_REG_EEE_ADV, temp);
11107 		}
11108 	}
11109 
11110 	bnx2x_cl22_write(bp, phy,
11111 			0x04,
11112 			an_10_100_val | fc_val);
11113 
11114 	if (phy->req_duplex == DUPLEX_FULL)
11115 		autoneg_val |= (1<<8);
11116 
11117 	bnx2x_cl22_write(bp, phy,
11118 			MDIO_PMA_REG_CTRL, autoneg_val);
11119 
11120 	return 0;
11121 }
11122 
11123 
11124 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
11125 				       struct link_params *params, u8 mode)
11126 {
11127 	struct bnx2x *bp = params->bp;
11128 	u16 temp;
11129 
11130 	bnx2x_cl22_write(bp, phy,
11131 		MDIO_REG_GPHY_SHADOW,
11132 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
11133 	bnx2x_cl22_read(bp, phy,
11134 		MDIO_REG_GPHY_SHADOW,
11135 		&temp);
11136 	temp &= 0xff00;
11137 
11138 	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
11139 	switch (mode) {
11140 	case LED_MODE_FRONT_PANEL_OFF:
11141 	case LED_MODE_OFF:
11142 		temp |= 0x00ee;
11143 		break;
11144 	case LED_MODE_OPER:
11145 		temp |= 0x0001;
11146 		break;
11147 	case LED_MODE_ON:
11148 		temp |= 0x00ff;
11149 		break;
11150 	default:
11151 		break;
11152 	}
11153 	bnx2x_cl22_write(bp, phy,
11154 		MDIO_REG_GPHY_SHADOW,
11155 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11156 	return;
11157 }
11158 
11159 
11160 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
11161 				     struct link_params *params)
11162 {
11163 	struct bnx2x *bp = params->bp;
11164 	u32 cfg_pin;
11165 	u8 port;
11166 
11167 	/* In case of no EPIO routed to reset the GPHY, put it
11168 	 * in low power mode.
11169 	 */
11170 	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
11171 	/* This works with E3 only, no need to check the chip
11172 	 * before determining the port.
11173 	 */
11174 	port = params->port;
11175 	cfg_pin = (REG_RD(bp, params->shmem_base +
11176 			offsetof(struct shmem_region,
11177 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11178 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11179 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11180 
11181 	/* Drive pin low to put GPHY in reset. */
11182 	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11183 }
11184 
11185 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11186 				    struct link_params *params,
11187 				    struct link_vars *vars)
11188 {
11189 	struct bnx2x *bp = params->bp;
11190 	u16 val;
11191 	u8 link_up = 0;
11192 	u16 legacy_status, legacy_speed;
11193 
11194 	/* Get speed operation status */
11195 	bnx2x_cl22_read(bp, phy,
11196 			MDIO_REG_GPHY_AUX_STATUS,
11197 			&legacy_status);
11198 	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11199 
11200 	/* Read status to clear the PHY interrupt. */
11201 	bnx2x_cl22_read(bp, phy,
11202 			MDIO_REG_INTR_STATUS,
11203 			&val);
11204 
11205 	link_up = ((legacy_status & (1<<2)) == (1<<2));
11206 
11207 	if (link_up) {
11208 		legacy_speed = (legacy_status & (7<<8));
11209 		if (legacy_speed == (7<<8)) {
11210 			vars->line_speed = SPEED_1000;
11211 			vars->duplex = DUPLEX_FULL;
11212 		} else if (legacy_speed == (6<<8)) {
11213 			vars->line_speed = SPEED_1000;
11214 			vars->duplex = DUPLEX_HALF;
11215 		} else if (legacy_speed == (5<<8)) {
11216 			vars->line_speed = SPEED_100;
11217 			vars->duplex = DUPLEX_FULL;
11218 		}
11219 		/* Omitting 100Base-T4 for now */
11220 		else if (legacy_speed == (3<<8)) {
11221 			vars->line_speed = SPEED_100;
11222 			vars->duplex = DUPLEX_HALF;
11223 		} else if (legacy_speed == (2<<8)) {
11224 			vars->line_speed = SPEED_10;
11225 			vars->duplex = DUPLEX_FULL;
11226 		} else if (legacy_speed == (1<<8)) {
11227 			vars->line_speed = SPEED_10;
11228 			vars->duplex = DUPLEX_HALF;
11229 		} else /* Should not happen */
11230 			vars->line_speed = 0;
11231 
11232 		DP(NETIF_MSG_LINK,
11233 		   "Link is up in %dMbps, is_duplex_full= %d\n",
11234 		   vars->line_speed,
11235 		   (vars->duplex == DUPLEX_FULL));
11236 
11237 		/* Check legacy speed AN resolution */
11238 		bnx2x_cl22_read(bp, phy,
11239 				0x01,
11240 				&val);
11241 		if (val & (1<<5))
11242 			vars->link_status |=
11243 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11244 		bnx2x_cl22_read(bp, phy,
11245 				0x06,
11246 				&val);
11247 		if ((val & (1<<0)) == 0)
11248 			vars->link_status |=
11249 				LINK_STATUS_PARALLEL_DETECTION_USED;
11250 
11251 		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11252 			   vars->line_speed);
11253 
11254 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11255 
11256 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11257 			/* Report LP advertised speeds */
11258 			bnx2x_cl22_read(bp, phy, 0x5, &val);
11259 
11260 			if (val & (1<<5))
11261 				vars->link_status |=
11262 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11263 			if (val & (1<<6))
11264 				vars->link_status |=
11265 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11266 			if (val & (1<<7))
11267 				vars->link_status |=
11268 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11269 			if (val & (1<<8))
11270 				vars->link_status |=
11271 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11272 			if (val & (1<<9))
11273 				vars->link_status |=
11274 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11275 
11276 			bnx2x_cl22_read(bp, phy, 0xa, &val);
11277 			if (val & (1<<10))
11278 				vars->link_status |=
11279 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11280 			if (val & (1<<11))
11281 				vars->link_status |=
11282 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11283 
11284 			if ((phy->flags & FLAGS_EEE) &&
11285 			    bnx2x_eee_has_cap(params))
11286 				bnx2x_eee_an_resolve(phy, params, vars);
11287 		}
11288 	}
11289 	return link_up;
11290 }
11291 
11292 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11293 					  struct link_params *params)
11294 {
11295 	struct bnx2x *bp = params->bp;
11296 	u16 val;
11297 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11298 
11299 	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11300 
11301 	/* Enable master/slave manual mmode and set to master */
11302 	/* mii write 9 [bits set 11 12] */
11303 	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11304 
11305 	/* forced 1G and disable autoneg */
11306 	/* set val [mii read 0] */
11307 	/* set val [expr $val & [bits clear 6 12 13]] */
11308 	/* set val [expr $val | [bits set 6 8]] */
11309 	/* mii write 0 $val */
11310 	bnx2x_cl22_read(bp, phy, 0x00, &val);
11311 	val &= ~((1<<6) | (1<<12) | (1<<13));
11312 	val |= (1<<6) | (1<<8);
11313 	bnx2x_cl22_write(bp, phy, 0x00, val);
11314 
11315 	/* Set external loopback and Tx using 6dB coding */
11316 	/* mii write 0x18 7 */
11317 	/* set val [mii read 0x18] */
11318 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
11319 	bnx2x_cl22_write(bp, phy, 0x18, 7);
11320 	bnx2x_cl22_read(bp, phy, 0x18, &val);
11321 	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11322 
11323 	/* This register opens the gate for the UMAC despite its name */
11324 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11325 
11326 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11327 	 * length used by the MAC receive logic to check frames.
11328 	 */
11329 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11330 }
11331 
11332 /******************************************************************/
11333 /*			SFX7101 PHY SECTION			  */
11334 /******************************************************************/
11335 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11336 				       struct link_params *params)
11337 {
11338 	struct bnx2x *bp = params->bp;
11339 	/* SFX7101_XGXS_TEST1 */
11340 	bnx2x_cl45_write(bp, phy,
11341 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11342 }
11343 
11344 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11345 				  struct link_params *params,
11346 				  struct link_vars *vars)
11347 {
11348 	u16 fw_ver1, fw_ver2, val;
11349 	struct bnx2x *bp = params->bp;
11350 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11351 
11352 	/* Restore normal power mode*/
11353 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11354 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11355 	/* HW reset */
11356 	bnx2x_ext_phy_hw_reset(bp, params->port);
11357 	bnx2x_wait_reset_complete(bp, phy, params);
11358 
11359 	bnx2x_cl45_write(bp, phy,
11360 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11361 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11362 	bnx2x_cl45_write(bp, phy,
11363 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11364 
11365 	bnx2x_ext_phy_set_pause(params, phy, vars);
11366 	/* Restart autoneg */
11367 	bnx2x_cl45_read(bp, phy,
11368 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11369 	val |= 0x200;
11370 	bnx2x_cl45_write(bp, phy,
11371 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11372 
11373 	/* Save spirom version */
11374 	bnx2x_cl45_read(bp, phy,
11375 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11376 
11377 	bnx2x_cl45_read(bp, phy,
11378 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11379 	bnx2x_save_spirom_version(bp, params->port,
11380 				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11381 	return 0;
11382 }
11383 
11384 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11385 				 struct link_params *params,
11386 				 struct link_vars *vars)
11387 {
11388 	struct bnx2x *bp = params->bp;
11389 	u8 link_up;
11390 	u16 val1, val2;
11391 	bnx2x_cl45_read(bp, phy,
11392 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11393 	bnx2x_cl45_read(bp, phy,
11394 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11395 	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11396 		   val2, val1);
11397 	bnx2x_cl45_read(bp, phy,
11398 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11399 	bnx2x_cl45_read(bp, phy,
11400 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11401 	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11402 		   val2, val1);
11403 	link_up = ((val1 & 4) == 4);
11404 	/* If link is up print the AN outcome of the SFX7101 PHY */
11405 	if (link_up) {
11406 		bnx2x_cl45_read(bp, phy,
11407 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11408 				&val2);
11409 		vars->line_speed = SPEED_10000;
11410 		vars->duplex = DUPLEX_FULL;
11411 		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11412 			   val2, (val2 & (1<<14)));
11413 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11414 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11415 
11416 		/* Read LP advertised speeds */
11417 		if (val2 & (1<<11))
11418 			vars->link_status |=
11419 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11420 	}
11421 	return link_up;
11422 }
11423 
11424 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11425 {
11426 	if (*len < 5)
11427 		return -EINVAL;
11428 	str[0] = (spirom_ver & 0xFF);
11429 	str[1] = (spirom_ver & 0xFF00) >> 8;
11430 	str[2] = (spirom_ver & 0xFF0000) >> 16;
11431 	str[3] = (spirom_ver & 0xFF000000) >> 24;
11432 	str[4] = '\0';
11433 	*len -= 5;
11434 	return 0;
11435 }
11436 
11437 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11438 {
11439 	u16 val, cnt;
11440 
11441 	bnx2x_cl45_read(bp, phy,
11442 			MDIO_PMA_DEVAD,
11443 			MDIO_PMA_REG_7101_RESET, &val);
11444 
11445 	for (cnt = 0; cnt < 10; cnt++) {
11446 		msleep(50);
11447 		/* Writes a self-clearing reset */
11448 		bnx2x_cl45_write(bp, phy,
11449 				 MDIO_PMA_DEVAD,
11450 				 MDIO_PMA_REG_7101_RESET,
11451 				 (val | (1<<15)));
11452 		/* Wait for clear */
11453 		bnx2x_cl45_read(bp, phy,
11454 				MDIO_PMA_DEVAD,
11455 				MDIO_PMA_REG_7101_RESET, &val);
11456 
11457 		if ((val & (1<<15)) == 0)
11458 			break;
11459 	}
11460 }
11461 
11462 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11463 				struct link_params *params) {
11464 	/* Low power mode is controlled by GPIO 2 */
11465 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11466 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11467 	/* The PHY reset is controlled by GPIO 1 */
11468 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11469 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11470 }
11471 
11472 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11473 				    struct link_params *params, u8 mode)
11474 {
11475 	u16 val = 0;
11476 	struct bnx2x *bp = params->bp;
11477 	switch (mode) {
11478 	case LED_MODE_FRONT_PANEL_OFF:
11479 	case LED_MODE_OFF:
11480 		val = 2;
11481 		break;
11482 	case LED_MODE_ON:
11483 		val = 1;
11484 		break;
11485 	case LED_MODE_OPER:
11486 		val = 0;
11487 		break;
11488 	}
11489 	bnx2x_cl45_write(bp, phy,
11490 			 MDIO_PMA_DEVAD,
11491 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11492 			 val);
11493 }
11494 
11495 /******************************************************************/
11496 /*			STATIC PHY DECLARATION			  */
11497 /******************************************************************/
11498 
11499 static const struct bnx2x_phy phy_null = {
11500 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11501 	.addr		= 0,
11502 	.def_md_devad	= 0,
11503 	.flags		= FLAGS_INIT_XGXS_FIRST,
11504 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11505 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11506 	.mdio_ctrl	= 0,
11507 	.supported	= 0,
11508 	.media_type	= ETH_PHY_NOT_PRESENT,
11509 	.ver_addr	= 0,
11510 	.req_flow_ctrl	= 0,
11511 	.req_line_speed	= 0,
11512 	.speed_cap_mask	= 0,
11513 	.req_duplex	= 0,
11514 	.rsrv		= 0,
11515 	.config_init	= (config_init_t)NULL,
11516 	.read_status	= (read_status_t)NULL,
11517 	.link_reset	= (link_reset_t)NULL,
11518 	.config_loopback = (config_loopback_t)NULL,
11519 	.format_fw_ver	= (format_fw_ver_t)NULL,
11520 	.hw_reset	= (hw_reset_t)NULL,
11521 	.set_link_led	= (set_link_led_t)NULL,
11522 	.phy_specific_func = (phy_specific_func_t)NULL
11523 };
11524 
11525 static const struct bnx2x_phy phy_serdes = {
11526 	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11527 	.addr		= 0xff,
11528 	.def_md_devad	= 0,
11529 	.flags		= 0,
11530 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11531 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11532 	.mdio_ctrl	= 0,
11533 	.supported	= (SUPPORTED_10baseT_Half |
11534 			   SUPPORTED_10baseT_Full |
11535 			   SUPPORTED_100baseT_Half |
11536 			   SUPPORTED_100baseT_Full |
11537 			   SUPPORTED_1000baseT_Full |
11538 			   SUPPORTED_2500baseX_Full |
11539 			   SUPPORTED_TP |
11540 			   SUPPORTED_Autoneg |
11541 			   SUPPORTED_Pause |
11542 			   SUPPORTED_Asym_Pause),
11543 	.media_type	= ETH_PHY_BASE_T,
11544 	.ver_addr	= 0,
11545 	.req_flow_ctrl	= 0,
11546 	.req_line_speed	= 0,
11547 	.speed_cap_mask	= 0,
11548 	.req_duplex	= 0,
11549 	.rsrv		= 0,
11550 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11551 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11552 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11553 	.config_loopback = (config_loopback_t)NULL,
11554 	.format_fw_ver	= (format_fw_ver_t)NULL,
11555 	.hw_reset	= (hw_reset_t)NULL,
11556 	.set_link_led	= (set_link_led_t)NULL,
11557 	.phy_specific_func = (phy_specific_func_t)NULL
11558 };
11559 
11560 static const struct bnx2x_phy phy_xgxs = {
11561 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11562 	.addr		= 0xff,
11563 	.def_md_devad	= 0,
11564 	.flags		= 0,
11565 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11566 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11567 	.mdio_ctrl	= 0,
11568 	.supported	= (SUPPORTED_10baseT_Half |
11569 			   SUPPORTED_10baseT_Full |
11570 			   SUPPORTED_100baseT_Half |
11571 			   SUPPORTED_100baseT_Full |
11572 			   SUPPORTED_1000baseT_Full |
11573 			   SUPPORTED_2500baseX_Full |
11574 			   SUPPORTED_10000baseT_Full |
11575 			   SUPPORTED_FIBRE |
11576 			   SUPPORTED_Autoneg |
11577 			   SUPPORTED_Pause |
11578 			   SUPPORTED_Asym_Pause),
11579 	.media_type	= ETH_PHY_CX4,
11580 	.ver_addr	= 0,
11581 	.req_flow_ctrl	= 0,
11582 	.req_line_speed	= 0,
11583 	.speed_cap_mask	= 0,
11584 	.req_duplex	= 0,
11585 	.rsrv		= 0,
11586 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11587 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11588 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11589 	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11590 	.format_fw_ver	= (format_fw_ver_t)NULL,
11591 	.hw_reset	= (hw_reset_t)NULL,
11592 	.set_link_led	= (set_link_led_t)NULL,
11593 	.phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
11594 };
11595 static const struct bnx2x_phy phy_warpcore = {
11596 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11597 	.addr		= 0xff,
11598 	.def_md_devad	= 0,
11599 	.flags		= FLAGS_TX_ERROR_CHECK,
11600 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11601 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11602 	.mdio_ctrl	= 0,
11603 	.supported	= (SUPPORTED_10baseT_Half |
11604 			   SUPPORTED_10baseT_Full |
11605 			   SUPPORTED_100baseT_Half |
11606 			   SUPPORTED_100baseT_Full |
11607 			   SUPPORTED_1000baseT_Full |
11608 			   SUPPORTED_1000baseKX_Full |
11609 			   SUPPORTED_10000baseT_Full |
11610 			   SUPPORTED_10000baseKR_Full |
11611 			   SUPPORTED_20000baseKR2_Full |
11612 			   SUPPORTED_20000baseMLD2_Full |
11613 			   SUPPORTED_FIBRE |
11614 			   SUPPORTED_Autoneg |
11615 			   SUPPORTED_Pause |
11616 			   SUPPORTED_Asym_Pause),
11617 	.media_type	= ETH_PHY_UNSPECIFIED,
11618 	.ver_addr	= 0,
11619 	.req_flow_ctrl	= 0,
11620 	.req_line_speed	= 0,
11621 	.speed_cap_mask	= 0,
11622 	/* req_duplex = */0,
11623 	/* rsrv = */0,
11624 	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
11625 	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
11626 	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
11627 	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11628 	.format_fw_ver	= (format_fw_ver_t)NULL,
11629 	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11630 	.set_link_led	= (set_link_led_t)NULL,
11631 	.phy_specific_func = (phy_specific_func_t)NULL
11632 };
11633 
11634 
11635 static const struct bnx2x_phy phy_7101 = {
11636 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11637 	.addr		= 0xff,
11638 	.def_md_devad	= 0,
11639 	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
11640 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11641 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11642 	.mdio_ctrl	= 0,
11643 	.supported	= (SUPPORTED_10000baseT_Full |
11644 			   SUPPORTED_TP |
11645 			   SUPPORTED_Autoneg |
11646 			   SUPPORTED_Pause |
11647 			   SUPPORTED_Asym_Pause),
11648 	.media_type	= ETH_PHY_BASE_T,
11649 	.ver_addr	= 0,
11650 	.req_flow_ctrl	= 0,
11651 	.req_line_speed	= 0,
11652 	.speed_cap_mask	= 0,
11653 	.req_duplex	= 0,
11654 	.rsrv		= 0,
11655 	.config_init	= (config_init_t)bnx2x_7101_config_init,
11656 	.read_status	= (read_status_t)bnx2x_7101_read_status,
11657 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11658 	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11659 	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
11660 	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
11661 	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
11662 	.phy_specific_func = (phy_specific_func_t)NULL
11663 };
11664 static const struct bnx2x_phy phy_8073 = {
11665 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11666 	.addr		= 0xff,
11667 	.def_md_devad	= 0,
11668 	.flags		= 0,
11669 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11670 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11671 	.mdio_ctrl	= 0,
11672 	.supported	= (SUPPORTED_10000baseT_Full |
11673 			   SUPPORTED_2500baseX_Full |
11674 			   SUPPORTED_1000baseT_Full |
11675 			   SUPPORTED_FIBRE |
11676 			   SUPPORTED_Autoneg |
11677 			   SUPPORTED_Pause |
11678 			   SUPPORTED_Asym_Pause),
11679 	.media_type	= ETH_PHY_KR,
11680 	.ver_addr	= 0,
11681 	.req_flow_ctrl	= 0,
11682 	.req_line_speed	= 0,
11683 	.speed_cap_mask	= 0,
11684 	.req_duplex	= 0,
11685 	.rsrv		= 0,
11686 	.config_init	= (config_init_t)bnx2x_8073_config_init,
11687 	.read_status	= (read_status_t)bnx2x_8073_read_status,
11688 	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
11689 	.config_loopback = (config_loopback_t)NULL,
11690 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11691 	.hw_reset	= (hw_reset_t)NULL,
11692 	.set_link_led	= (set_link_led_t)NULL,
11693 	.phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
11694 };
11695 static const struct bnx2x_phy phy_8705 = {
11696 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11697 	.addr		= 0xff,
11698 	.def_md_devad	= 0,
11699 	.flags		= FLAGS_INIT_XGXS_FIRST,
11700 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11701 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11702 	.mdio_ctrl	= 0,
11703 	.supported	= (SUPPORTED_10000baseT_Full |
11704 			   SUPPORTED_FIBRE |
11705 			   SUPPORTED_Pause |
11706 			   SUPPORTED_Asym_Pause),
11707 	.media_type	= ETH_PHY_XFP_FIBER,
11708 	.ver_addr	= 0,
11709 	.req_flow_ctrl	= 0,
11710 	.req_line_speed	= 0,
11711 	.speed_cap_mask	= 0,
11712 	.req_duplex	= 0,
11713 	.rsrv		= 0,
11714 	.config_init	= (config_init_t)bnx2x_8705_config_init,
11715 	.read_status	= (read_status_t)bnx2x_8705_read_status,
11716 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11717 	.config_loopback = (config_loopback_t)NULL,
11718 	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
11719 	.hw_reset	= (hw_reset_t)NULL,
11720 	.set_link_led	= (set_link_led_t)NULL,
11721 	.phy_specific_func = (phy_specific_func_t)NULL
11722 };
11723 static const struct bnx2x_phy phy_8706 = {
11724 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11725 	.addr		= 0xff,
11726 	.def_md_devad	= 0,
11727 	.flags		= FLAGS_INIT_XGXS_FIRST,
11728 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11729 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11730 	.mdio_ctrl	= 0,
11731 	.supported	= (SUPPORTED_10000baseT_Full |
11732 			   SUPPORTED_1000baseT_Full |
11733 			   SUPPORTED_FIBRE |
11734 			   SUPPORTED_Pause |
11735 			   SUPPORTED_Asym_Pause),
11736 	.media_type	= ETH_PHY_SFPP_10G_FIBER,
11737 	.ver_addr	= 0,
11738 	.req_flow_ctrl	= 0,
11739 	.req_line_speed	= 0,
11740 	.speed_cap_mask	= 0,
11741 	.req_duplex	= 0,
11742 	.rsrv		= 0,
11743 	.config_init	= (config_init_t)bnx2x_8706_config_init,
11744 	.read_status	= (read_status_t)bnx2x_8706_read_status,
11745 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11746 	.config_loopback = (config_loopback_t)NULL,
11747 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11748 	.hw_reset	= (hw_reset_t)NULL,
11749 	.set_link_led	= (set_link_led_t)NULL,
11750 	.phy_specific_func = (phy_specific_func_t)NULL
11751 };
11752 
11753 static const struct bnx2x_phy phy_8726 = {
11754 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11755 	.addr		= 0xff,
11756 	.def_md_devad	= 0,
11757 	.flags		= (FLAGS_INIT_XGXS_FIRST |
11758 			   FLAGS_TX_ERROR_CHECK),
11759 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11760 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11761 	.mdio_ctrl	= 0,
11762 	.supported	= (SUPPORTED_10000baseT_Full |
11763 			   SUPPORTED_1000baseT_Full |
11764 			   SUPPORTED_Autoneg |
11765 			   SUPPORTED_FIBRE |
11766 			   SUPPORTED_Pause |
11767 			   SUPPORTED_Asym_Pause),
11768 	.media_type	= ETH_PHY_NOT_PRESENT,
11769 	.ver_addr	= 0,
11770 	.req_flow_ctrl	= 0,
11771 	.req_line_speed	= 0,
11772 	.speed_cap_mask	= 0,
11773 	.req_duplex	= 0,
11774 	.rsrv		= 0,
11775 	.config_init	= (config_init_t)bnx2x_8726_config_init,
11776 	.read_status	= (read_status_t)bnx2x_8726_read_status,
11777 	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
11778 	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11779 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11780 	.hw_reset	= (hw_reset_t)NULL,
11781 	.set_link_led	= (set_link_led_t)NULL,
11782 	.phy_specific_func = (phy_specific_func_t)NULL
11783 };
11784 
11785 static const struct bnx2x_phy phy_8727 = {
11786 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11787 	.addr		= 0xff,
11788 	.def_md_devad	= 0,
11789 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11790 			   FLAGS_TX_ERROR_CHECK),
11791 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11792 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11793 	.mdio_ctrl	= 0,
11794 	.supported	= (SUPPORTED_10000baseT_Full |
11795 			   SUPPORTED_1000baseT_Full |
11796 			   SUPPORTED_FIBRE |
11797 			   SUPPORTED_Pause |
11798 			   SUPPORTED_Asym_Pause),
11799 	.media_type	= ETH_PHY_NOT_PRESENT,
11800 	.ver_addr	= 0,
11801 	.req_flow_ctrl	= 0,
11802 	.req_line_speed	= 0,
11803 	.speed_cap_mask	= 0,
11804 	.req_duplex	= 0,
11805 	.rsrv		= 0,
11806 	.config_init	= (config_init_t)bnx2x_8727_config_init,
11807 	.read_status	= (read_status_t)bnx2x_8727_read_status,
11808 	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
11809 	.config_loopback = (config_loopback_t)NULL,
11810 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11811 	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
11812 	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
11813 	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11814 };
11815 static const struct bnx2x_phy phy_8481 = {
11816 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11817 	.addr		= 0xff,
11818 	.def_md_devad	= 0,
11819 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11820 			  FLAGS_REARM_LATCH_SIGNAL,
11821 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11822 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11823 	.mdio_ctrl	= 0,
11824 	.supported	= (SUPPORTED_10baseT_Half |
11825 			   SUPPORTED_10baseT_Full |
11826 			   SUPPORTED_100baseT_Half |
11827 			   SUPPORTED_100baseT_Full |
11828 			   SUPPORTED_1000baseT_Full |
11829 			   SUPPORTED_10000baseT_Full |
11830 			   SUPPORTED_TP |
11831 			   SUPPORTED_Autoneg |
11832 			   SUPPORTED_Pause |
11833 			   SUPPORTED_Asym_Pause),
11834 	.media_type	= ETH_PHY_BASE_T,
11835 	.ver_addr	= 0,
11836 	.req_flow_ctrl	= 0,
11837 	.req_line_speed	= 0,
11838 	.speed_cap_mask	= 0,
11839 	.req_duplex	= 0,
11840 	.rsrv		= 0,
11841 	.config_init	= (config_init_t)bnx2x_8481_config_init,
11842 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11843 	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
11844 	.config_loopback = (config_loopback_t)NULL,
11845 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11846 	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
11847 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11848 	.phy_specific_func = (phy_specific_func_t)NULL
11849 };
11850 
11851 static const struct bnx2x_phy phy_84823 = {
11852 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11853 	.addr		= 0xff,
11854 	.def_md_devad	= 0,
11855 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11856 			   FLAGS_REARM_LATCH_SIGNAL |
11857 			   FLAGS_TX_ERROR_CHECK),
11858 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11859 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11860 	.mdio_ctrl	= 0,
11861 	.supported	= (SUPPORTED_10baseT_Half |
11862 			   SUPPORTED_10baseT_Full |
11863 			   SUPPORTED_100baseT_Half |
11864 			   SUPPORTED_100baseT_Full |
11865 			   SUPPORTED_1000baseT_Full |
11866 			   SUPPORTED_10000baseT_Full |
11867 			   SUPPORTED_TP |
11868 			   SUPPORTED_Autoneg |
11869 			   SUPPORTED_Pause |
11870 			   SUPPORTED_Asym_Pause),
11871 	.media_type	= ETH_PHY_BASE_T,
11872 	.ver_addr	= 0,
11873 	.req_flow_ctrl	= 0,
11874 	.req_line_speed	= 0,
11875 	.speed_cap_mask	= 0,
11876 	.req_duplex	= 0,
11877 	.rsrv		= 0,
11878 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11879 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11880 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11881 	.config_loopback = (config_loopback_t)NULL,
11882 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11883 	.hw_reset	= (hw_reset_t)NULL,
11884 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11885 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11886 };
11887 
11888 static const struct bnx2x_phy phy_84833 = {
11889 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11890 	.addr		= 0xff,
11891 	.def_md_devad	= 0,
11892 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11893 			   FLAGS_REARM_LATCH_SIGNAL |
11894 			   FLAGS_TX_ERROR_CHECK),
11895 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11896 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11897 	.mdio_ctrl	= 0,
11898 	.supported	= (SUPPORTED_100baseT_Half |
11899 			   SUPPORTED_100baseT_Full |
11900 			   SUPPORTED_1000baseT_Full |
11901 			   SUPPORTED_10000baseT_Full |
11902 			   SUPPORTED_TP |
11903 			   SUPPORTED_Autoneg |
11904 			   SUPPORTED_Pause |
11905 			   SUPPORTED_Asym_Pause),
11906 	.media_type	= ETH_PHY_BASE_T,
11907 	.ver_addr	= 0,
11908 	.req_flow_ctrl	= 0,
11909 	.req_line_speed	= 0,
11910 	.speed_cap_mask	= 0,
11911 	.req_duplex	= 0,
11912 	.rsrv		= 0,
11913 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11914 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11915 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11916 	.config_loopback = (config_loopback_t)NULL,
11917 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11918 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11919 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11920 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11921 };
11922 
11923 static const struct bnx2x_phy phy_84834 = {
11924 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11925 	.addr		= 0xff,
11926 	.def_md_devad	= 0,
11927 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11928 			    FLAGS_REARM_LATCH_SIGNAL,
11929 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11930 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11931 	.mdio_ctrl	= 0,
11932 	.supported	= (SUPPORTED_100baseT_Half |
11933 			   SUPPORTED_100baseT_Full |
11934 			   SUPPORTED_1000baseT_Full |
11935 			   SUPPORTED_10000baseT_Full |
11936 			   SUPPORTED_TP |
11937 			   SUPPORTED_Autoneg |
11938 			   SUPPORTED_Pause |
11939 			   SUPPORTED_Asym_Pause),
11940 	.media_type	= ETH_PHY_BASE_T,
11941 	.ver_addr	= 0,
11942 	.req_flow_ctrl	= 0,
11943 	.req_line_speed	= 0,
11944 	.speed_cap_mask	= 0,
11945 	.req_duplex	= 0,
11946 	.rsrv		= 0,
11947 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11948 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11949 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11950 	.config_loopback = (config_loopback_t)NULL,
11951 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11952 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11953 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11954 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11955 };
11956 
11957 static const struct bnx2x_phy phy_84858 = {
11958 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
11959 	.addr		= 0xff,
11960 	.def_md_devad	= 0,
11961 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11962 			    FLAGS_REARM_LATCH_SIGNAL,
11963 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11964 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11965 	.mdio_ctrl	= 0,
11966 	.supported	= (SUPPORTED_100baseT_Half |
11967 			   SUPPORTED_100baseT_Full |
11968 			   SUPPORTED_1000baseT_Full |
11969 			   SUPPORTED_10000baseT_Full |
11970 			   SUPPORTED_TP |
11971 			   SUPPORTED_Autoneg |
11972 			   SUPPORTED_Pause |
11973 			   SUPPORTED_Asym_Pause),
11974 	.media_type	= ETH_PHY_BASE_T,
11975 	.ver_addr	= 0,
11976 	.req_flow_ctrl	= 0,
11977 	.req_line_speed	= 0,
11978 	.speed_cap_mask	= 0,
11979 	.req_duplex	= 0,
11980 	.rsrv		= 0,
11981 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11982 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11983 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11984 	.config_loopback = (config_loopback_t)NULL,
11985 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11986 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11987 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11988 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11989 };
11990 
11991 static const struct bnx2x_phy phy_54618se = {
11992 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11993 	.addr		= 0xff,
11994 	.def_md_devad	= 0,
11995 	.flags		= FLAGS_INIT_XGXS_FIRST,
11996 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11997 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11998 	.mdio_ctrl	= 0,
11999 	.supported	= (SUPPORTED_10baseT_Half |
12000 			   SUPPORTED_10baseT_Full |
12001 			   SUPPORTED_100baseT_Half |
12002 			   SUPPORTED_100baseT_Full |
12003 			   SUPPORTED_1000baseT_Full |
12004 			   SUPPORTED_TP |
12005 			   SUPPORTED_Autoneg |
12006 			   SUPPORTED_Pause |
12007 			   SUPPORTED_Asym_Pause),
12008 	.media_type	= ETH_PHY_BASE_T,
12009 	.ver_addr	= 0,
12010 	.req_flow_ctrl	= 0,
12011 	.req_line_speed	= 0,
12012 	.speed_cap_mask	= 0,
12013 	/* req_duplex = */0,
12014 	/* rsrv = */0,
12015 	.config_init	= (config_init_t)bnx2x_54618se_config_init,
12016 	.read_status	= (read_status_t)bnx2x_54618se_read_status,
12017 	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
12018 	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
12019 	.format_fw_ver	= (format_fw_ver_t)NULL,
12020 	.hw_reset	= (hw_reset_t)NULL,
12021 	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
12022 	.phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
12023 };
12024 /*****************************************************************/
12025 /*                                                               */
12026 /* Populate the phy according. Main function: bnx2x_populate_phy   */
12027 /*                                                               */
12028 /*****************************************************************/
12029 
12030 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
12031 				     struct bnx2x_phy *phy, u8 port,
12032 				     u8 phy_index)
12033 {
12034 	/* Get the 4 lanes xgxs config rx and tx */
12035 	u32 rx = 0, tx = 0, i;
12036 	for (i = 0; i < 2; i++) {
12037 		/* INT_PHY and EXT_PHY1 share the same value location in
12038 		 * the shmem. When num_phys is greater than 1, than this value
12039 		 * applies only to EXT_PHY1
12040 		 */
12041 		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
12042 			rx = REG_RD(bp, shmem_base +
12043 				    offsetof(struct shmem_region,
12044 			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
12045 
12046 			tx = REG_RD(bp, shmem_base +
12047 				    offsetof(struct shmem_region,
12048 			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
12049 		} else {
12050 			rx = REG_RD(bp, shmem_base +
12051 				    offsetof(struct shmem_region,
12052 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12053 
12054 			tx = REG_RD(bp, shmem_base +
12055 				    offsetof(struct shmem_region,
12056 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12057 		}
12058 
12059 		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
12060 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
12061 
12062 		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
12063 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
12064 	}
12065 }
12066 
12067 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
12068 				    u8 phy_index, u8 port)
12069 {
12070 	u32 ext_phy_config = 0;
12071 	switch (phy_index) {
12072 	case EXT_PHY1:
12073 		ext_phy_config = REG_RD(bp, shmem_base +
12074 					      offsetof(struct shmem_region,
12075 			dev_info.port_hw_config[port].external_phy_config));
12076 		break;
12077 	case EXT_PHY2:
12078 		ext_phy_config = REG_RD(bp, shmem_base +
12079 					      offsetof(struct shmem_region,
12080 			dev_info.port_hw_config[port].external_phy_config2));
12081 		break;
12082 	default:
12083 		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
12084 		return -EINVAL;
12085 	}
12086 
12087 	return ext_phy_config;
12088 }
12089 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
12090 				  struct bnx2x_phy *phy)
12091 {
12092 	u32 phy_addr;
12093 	u32 chip_id;
12094 	u32 switch_cfg = (REG_RD(bp, shmem_base +
12095 				       offsetof(struct shmem_region,
12096 			dev_info.port_feature_config[port].link_config)) &
12097 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
12098 	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
12099 		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
12100 
12101 	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
12102 	if (USES_WARPCORE(bp)) {
12103 		u32 serdes_net_if;
12104 		phy_addr = REG_RD(bp,
12105 				  MISC_REG_WC0_CTRL_PHY_ADDR);
12106 		*phy = phy_warpcore;
12107 		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
12108 			phy->flags |= FLAGS_4_PORT_MODE;
12109 		else
12110 			phy->flags &= ~FLAGS_4_PORT_MODE;
12111 			/* Check Dual mode */
12112 		serdes_net_if = (REG_RD(bp, shmem_base +
12113 					offsetof(struct shmem_region, dev_info.
12114 					port_hw_config[port].default_cfg)) &
12115 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
12116 		/* Set the appropriate supported and flags indications per
12117 		 * interface type of the chip
12118 		 */
12119 		switch (serdes_net_if) {
12120 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
12121 			phy->supported &= (SUPPORTED_10baseT_Half |
12122 					   SUPPORTED_10baseT_Full |
12123 					   SUPPORTED_100baseT_Half |
12124 					   SUPPORTED_100baseT_Full |
12125 					   SUPPORTED_1000baseT_Full |
12126 					   SUPPORTED_FIBRE |
12127 					   SUPPORTED_Autoneg |
12128 					   SUPPORTED_Pause |
12129 					   SUPPORTED_Asym_Pause);
12130 			phy->media_type = ETH_PHY_BASE_T;
12131 			break;
12132 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
12133 			phy->supported &= (SUPPORTED_1000baseT_Full |
12134 					   SUPPORTED_10000baseT_Full |
12135 					   SUPPORTED_FIBRE |
12136 					   SUPPORTED_Pause |
12137 					   SUPPORTED_Asym_Pause);
12138 			phy->media_type = ETH_PHY_XFP_FIBER;
12139 			break;
12140 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
12141 			phy->supported &= (SUPPORTED_1000baseT_Full |
12142 					   SUPPORTED_10000baseT_Full |
12143 					   SUPPORTED_FIBRE |
12144 					   SUPPORTED_Pause |
12145 					   SUPPORTED_Asym_Pause);
12146 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
12147 			break;
12148 		case PORT_HW_CFG_NET_SERDES_IF_KR:
12149 			phy->media_type = ETH_PHY_KR;
12150 			phy->supported &= (SUPPORTED_1000baseKX_Full |
12151 					   SUPPORTED_10000baseKR_Full |
12152 					   SUPPORTED_FIBRE |
12153 					   SUPPORTED_Autoneg |
12154 					   SUPPORTED_Pause |
12155 					   SUPPORTED_Asym_Pause);
12156 			break;
12157 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
12158 			phy->media_type = ETH_PHY_KR;
12159 			phy->flags |= FLAGS_WC_DUAL_MODE;
12160 			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
12161 					   SUPPORTED_FIBRE |
12162 					   SUPPORTED_Pause |
12163 					   SUPPORTED_Asym_Pause);
12164 			break;
12165 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
12166 			phy->media_type = ETH_PHY_KR;
12167 			phy->flags |= FLAGS_WC_DUAL_MODE;
12168 			phy->supported &= (SUPPORTED_20000baseKR2_Full |
12169 					   SUPPORTED_10000baseKR_Full |
12170 					   SUPPORTED_1000baseKX_Full |
12171 					   SUPPORTED_Autoneg |
12172 					   SUPPORTED_FIBRE |
12173 					   SUPPORTED_Pause |
12174 					   SUPPORTED_Asym_Pause);
12175 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12176 			break;
12177 		default:
12178 			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
12179 				       serdes_net_if);
12180 			break;
12181 		}
12182 
12183 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
12184 		 * was not set as expected. For B0, ECO will be enabled so there
12185 		 * won't be an issue there
12186 		 */
12187 		if (CHIP_REV(bp) == CHIP_REV_Ax)
12188 			phy->flags |= FLAGS_MDC_MDIO_WA;
12189 		else
12190 			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
12191 	} else {
12192 		switch (switch_cfg) {
12193 		case SWITCH_CFG_1G:
12194 			phy_addr = REG_RD(bp,
12195 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
12196 					  port * 0x10);
12197 			*phy = phy_serdes;
12198 			break;
12199 		case SWITCH_CFG_10G:
12200 			phy_addr = REG_RD(bp,
12201 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
12202 					  port * 0x18);
12203 			*phy = phy_xgxs;
12204 			break;
12205 		default:
12206 			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
12207 			return -EINVAL;
12208 		}
12209 	}
12210 	phy->addr = (u8)phy_addr;
12211 	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
12212 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
12213 					    port);
12214 	if (CHIP_IS_E2(bp))
12215 		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
12216 	else
12217 		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12218 
12219 	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12220 		   port, phy->addr, phy->mdio_ctrl);
12221 
12222 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12223 	return 0;
12224 }
12225 
12226 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12227 				  u8 phy_index,
12228 				  u32 shmem_base,
12229 				  u32 shmem2_base,
12230 				  u8 port,
12231 				  struct bnx2x_phy *phy)
12232 {
12233 	u32 ext_phy_config, phy_type, config2;
12234 	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12235 	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12236 						  phy_index, port);
12237 	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12238 	/* Select the phy type */
12239 	switch (phy_type) {
12240 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12241 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12242 		*phy = phy_8073;
12243 		break;
12244 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12245 		*phy = phy_8705;
12246 		break;
12247 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12248 		*phy = phy_8706;
12249 		break;
12250 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12251 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12252 		*phy = phy_8726;
12253 		break;
12254 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12255 		/* BCM8727_NOC => BCM8727 no over current */
12256 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12257 		*phy = phy_8727;
12258 		phy->flags |= FLAGS_NOC;
12259 		break;
12260 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12261 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12262 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12263 		*phy = phy_8727;
12264 		break;
12265 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12266 		*phy = phy_8481;
12267 		break;
12268 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12269 		*phy = phy_84823;
12270 		break;
12271 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12272 		*phy = phy_84833;
12273 		break;
12274 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12275 		*phy = phy_84834;
12276 		break;
12277 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
12278 		*phy = phy_84858;
12279 		break;
12280 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12281 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12282 		*phy = phy_54618se;
12283 		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12284 			phy->flags |= FLAGS_EEE;
12285 		break;
12286 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12287 		*phy = phy_7101;
12288 		break;
12289 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12290 		*phy = phy_null;
12291 		return -EINVAL;
12292 	default:
12293 		*phy = phy_null;
12294 		/* In case external PHY wasn't found */
12295 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12296 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12297 			return -EINVAL;
12298 		return 0;
12299 	}
12300 
12301 	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12302 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12303 
12304 	/* The shmem address of the phy version is located on different
12305 	 * structures. In case this structure is too old, do not set
12306 	 * the address
12307 	 */
12308 	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12309 					dev_info.shared_hw_config.config2));
12310 	if (phy_index == EXT_PHY1) {
12311 		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12312 				port_mb[port].ext_phy_fw_version);
12313 
12314 		/* Check specific mdc mdio settings */
12315 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12316 			mdc_mdio_access = config2 &
12317 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12318 	} else {
12319 		u32 size = REG_RD(bp, shmem2_base);
12320 
12321 		if (size >
12322 		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12323 			phy->ver_addr = shmem2_base +
12324 			    offsetof(struct shmem2_region,
12325 				     ext_phy_fw_version2[port]);
12326 		}
12327 		/* Check specific mdc mdio settings */
12328 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12329 			mdc_mdio_access = (config2 &
12330 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12331 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12332 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12333 	}
12334 	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12335 
12336 	if (bnx2x_is_8483x_8485x(phy) && (phy->ver_addr)) {
12337 		/* Remove 100Mb link supported for BCM84833/4 when phy fw
12338 		 * version lower than or equal to 1.39
12339 		 */
12340 		u32 raw_ver = REG_RD(bp, phy->ver_addr);
12341 		if (((raw_ver & 0x7F) <= 39) &&
12342 		    (((raw_ver & 0xF80) >> 7) <= 1))
12343 			phy->supported &= ~(SUPPORTED_100baseT_Half |
12344 					    SUPPORTED_100baseT_Full);
12345 	}
12346 
12347 	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12348 		   phy_type, port, phy_index);
12349 	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
12350 		   phy->addr, phy->mdio_ctrl);
12351 	return 0;
12352 }
12353 
12354 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12355 			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12356 {
12357 	int status = 0;
12358 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12359 	if (phy_index == INT_PHY)
12360 		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12361 	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12362 					port, phy);
12363 	return status;
12364 }
12365 
12366 static void bnx2x_phy_def_cfg(struct link_params *params,
12367 			      struct bnx2x_phy *phy,
12368 			      u8 phy_index)
12369 {
12370 	struct bnx2x *bp = params->bp;
12371 	u32 link_config;
12372 	/* Populate the default phy configuration for MF mode */
12373 	if (phy_index == EXT_PHY2) {
12374 		link_config = REG_RD(bp, params->shmem_base +
12375 				     offsetof(struct shmem_region, dev_info.
12376 			port_feature_config[params->port].link_config2));
12377 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12378 					     offsetof(struct shmem_region,
12379 						      dev_info.
12380 			port_hw_config[params->port].speed_capability_mask2));
12381 	} else {
12382 		link_config = REG_RD(bp, params->shmem_base +
12383 				     offsetof(struct shmem_region, dev_info.
12384 				port_feature_config[params->port].link_config));
12385 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12386 					     offsetof(struct shmem_region,
12387 						      dev_info.
12388 			port_hw_config[params->port].speed_capability_mask));
12389 	}
12390 	DP(NETIF_MSG_LINK,
12391 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12392 	   phy_index, link_config, phy->speed_cap_mask);
12393 
12394 	phy->req_duplex = DUPLEX_FULL;
12395 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
12396 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
12397 		phy->req_duplex = DUPLEX_HALF;
12398 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
12399 		phy->req_line_speed = SPEED_10;
12400 		break;
12401 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
12402 		phy->req_duplex = DUPLEX_HALF;
12403 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
12404 		phy->req_line_speed = SPEED_100;
12405 		break;
12406 	case PORT_FEATURE_LINK_SPEED_1G:
12407 		phy->req_line_speed = SPEED_1000;
12408 		break;
12409 	case PORT_FEATURE_LINK_SPEED_2_5G:
12410 		phy->req_line_speed = SPEED_2500;
12411 		break;
12412 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
12413 		phy->req_line_speed = SPEED_10000;
12414 		break;
12415 	default:
12416 		phy->req_line_speed = SPEED_AUTO_NEG;
12417 		break;
12418 	}
12419 
12420 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12421 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
12422 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12423 		break;
12424 	case PORT_FEATURE_FLOW_CONTROL_TX:
12425 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12426 		break;
12427 	case PORT_FEATURE_FLOW_CONTROL_RX:
12428 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12429 		break;
12430 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
12431 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12432 		break;
12433 	default:
12434 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12435 		break;
12436 	}
12437 }
12438 
12439 u32 bnx2x_phy_selection(struct link_params *params)
12440 {
12441 	u32 phy_config_swapped, prio_cfg;
12442 	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12443 
12444 	phy_config_swapped = params->multi_phy_config &
12445 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12446 
12447 	prio_cfg = params->multi_phy_config &
12448 			PORT_HW_CFG_PHY_SELECTION_MASK;
12449 
12450 	if (phy_config_swapped) {
12451 		switch (prio_cfg) {
12452 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12453 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12454 		     break;
12455 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12456 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12457 		     break;
12458 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12459 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12460 		     break;
12461 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12462 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12463 		     break;
12464 		}
12465 	} else
12466 		return_cfg = prio_cfg;
12467 
12468 	return return_cfg;
12469 }
12470 
12471 int bnx2x_phy_probe(struct link_params *params)
12472 {
12473 	u8 phy_index, actual_phy_idx;
12474 	u32 phy_config_swapped, sync_offset, media_types;
12475 	struct bnx2x *bp = params->bp;
12476 	struct bnx2x_phy *phy;
12477 	params->num_phys = 0;
12478 	DP(NETIF_MSG_LINK, "Begin phy probe\n");
12479 	phy_config_swapped = params->multi_phy_config &
12480 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12481 
12482 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12483 	      phy_index++) {
12484 		actual_phy_idx = phy_index;
12485 		if (phy_config_swapped) {
12486 			if (phy_index == EXT_PHY1)
12487 				actual_phy_idx = EXT_PHY2;
12488 			else if (phy_index == EXT_PHY2)
12489 				actual_phy_idx = EXT_PHY1;
12490 		}
12491 		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12492 			       " actual_phy_idx %x\n", phy_config_swapped,
12493 			   phy_index, actual_phy_idx);
12494 		phy = &params->phy[actual_phy_idx];
12495 		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12496 				       params->shmem2_base, params->port,
12497 				       phy) != 0) {
12498 			params->num_phys = 0;
12499 			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12500 				   phy_index);
12501 			for (phy_index = INT_PHY;
12502 			      phy_index < MAX_PHYS;
12503 			      phy_index++)
12504 				*phy = phy_null;
12505 			return -EINVAL;
12506 		}
12507 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12508 			break;
12509 
12510 		if (params->feature_config_flags &
12511 		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12512 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12513 
12514 		if (!(params->feature_config_flags &
12515 		      FEATURE_CONFIG_MT_SUPPORT))
12516 			phy->flags |= FLAGS_MDC_MDIO_WA_G;
12517 
12518 		sync_offset = params->shmem_base +
12519 			offsetof(struct shmem_region,
12520 			dev_info.port_hw_config[params->port].media_type);
12521 		media_types = REG_RD(bp, sync_offset);
12522 
12523 		/* Update media type for non-PMF sync only for the first time
12524 		 * In case the media type changes afterwards, it will be updated
12525 		 * using the update_status function
12526 		 */
12527 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12528 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12529 				     actual_phy_idx))) == 0) {
12530 			media_types |= ((phy->media_type &
12531 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12532 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12533 				 actual_phy_idx));
12534 		}
12535 		REG_WR(bp, sync_offset, media_types);
12536 
12537 		bnx2x_phy_def_cfg(params, phy, phy_index);
12538 		params->num_phys++;
12539 	}
12540 
12541 	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12542 	return 0;
12543 }
12544 
12545 static void bnx2x_init_bmac_loopback(struct link_params *params,
12546 				     struct link_vars *vars)
12547 {
12548 	struct bnx2x *bp = params->bp;
12549 		vars->link_up = 1;
12550 		vars->line_speed = SPEED_10000;
12551 		vars->duplex = DUPLEX_FULL;
12552 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12553 		vars->mac_type = MAC_TYPE_BMAC;
12554 
12555 		vars->phy_flags = PHY_XGXS_FLAG;
12556 
12557 		bnx2x_xgxs_deassert(params);
12558 
12559 		/* Set bmac loopback */
12560 		bnx2x_bmac_enable(params, vars, 1, 1);
12561 
12562 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12563 }
12564 
12565 static void bnx2x_init_emac_loopback(struct link_params *params,
12566 				     struct link_vars *vars)
12567 {
12568 	struct bnx2x *bp = params->bp;
12569 		vars->link_up = 1;
12570 		vars->line_speed = SPEED_1000;
12571 		vars->duplex = DUPLEX_FULL;
12572 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12573 		vars->mac_type = MAC_TYPE_EMAC;
12574 
12575 		vars->phy_flags = PHY_XGXS_FLAG;
12576 
12577 		bnx2x_xgxs_deassert(params);
12578 		/* Set bmac loopback */
12579 		bnx2x_emac_enable(params, vars, 1);
12580 		bnx2x_emac_program(params, vars);
12581 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12582 }
12583 
12584 static void bnx2x_init_xmac_loopback(struct link_params *params,
12585 				     struct link_vars *vars)
12586 {
12587 	struct bnx2x *bp = params->bp;
12588 	vars->link_up = 1;
12589 	if (!params->req_line_speed[0])
12590 		vars->line_speed = SPEED_10000;
12591 	else
12592 		vars->line_speed = params->req_line_speed[0];
12593 	vars->duplex = DUPLEX_FULL;
12594 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12595 	vars->mac_type = MAC_TYPE_XMAC;
12596 	vars->phy_flags = PHY_XGXS_FLAG;
12597 	/* Set WC to loopback mode since link is required to provide clock
12598 	 * to the XMAC in 20G mode
12599 	 */
12600 	bnx2x_set_aer_mmd(params, &params->phy[0]);
12601 	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12602 	params->phy[INT_PHY].config_loopback(
12603 			&params->phy[INT_PHY],
12604 			params);
12605 
12606 	bnx2x_xmac_enable(params, vars, 1);
12607 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12608 }
12609 
12610 static void bnx2x_init_umac_loopback(struct link_params *params,
12611 				     struct link_vars *vars)
12612 {
12613 	struct bnx2x *bp = params->bp;
12614 	vars->link_up = 1;
12615 	vars->line_speed = SPEED_1000;
12616 	vars->duplex = DUPLEX_FULL;
12617 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12618 	vars->mac_type = MAC_TYPE_UMAC;
12619 	vars->phy_flags = PHY_XGXS_FLAG;
12620 	bnx2x_umac_enable(params, vars, 1);
12621 
12622 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12623 }
12624 
12625 static void bnx2x_init_xgxs_loopback(struct link_params *params,
12626 				     struct link_vars *vars)
12627 {
12628 	struct bnx2x *bp = params->bp;
12629 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
12630 	vars->link_up = 1;
12631 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12632 	vars->duplex = DUPLEX_FULL;
12633 	if (params->req_line_speed[0] == SPEED_1000)
12634 		vars->line_speed = SPEED_1000;
12635 	else if ((params->req_line_speed[0] == SPEED_20000) ||
12636 		 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12637 		vars->line_speed = SPEED_20000;
12638 	else
12639 		vars->line_speed = SPEED_10000;
12640 
12641 	if (!USES_WARPCORE(bp))
12642 		bnx2x_xgxs_deassert(params);
12643 	bnx2x_link_initialize(params, vars);
12644 
12645 	if (params->req_line_speed[0] == SPEED_1000) {
12646 		if (USES_WARPCORE(bp))
12647 			bnx2x_umac_enable(params, vars, 0);
12648 		else {
12649 			bnx2x_emac_program(params, vars);
12650 			bnx2x_emac_enable(params, vars, 0);
12651 		}
12652 	} else {
12653 		if (USES_WARPCORE(bp))
12654 			bnx2x_xmac_enable(params, vars, 0);
12655 		else
12656 			bnx2x_bmac_enable(params, vars, 0, 1);
12657 	}
12658 
12659 	if (params->loopback_mode == LOOPBACK_XGXS) {
12660 		/* Set 10G XGXS loopback */
12661 		int_phy->config_loopback(int_phy, params);
12662 	} else {
12663 		/* Set external phy loopback */
12664 		u8 phy_index;
12665 		for (phy_index = EXT_PHY1;
12666 		      phy_index < params->num_phys; phy_index++)
12667 			if (params->phy[phy_index].config_loopback)
12668 				params->phy[phy_index].config_loopback(
12669 					&params->phy[phy_index],
12670 					params);
12671 	}
12672 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12673 
12674 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12675 }
12676 
12677 void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12678 {
12679 	struct bnx2x *bp = params->bp;
12680 	u8 val = en * 0x1F;
12681 
12682 	/* Open / close the gate between the NIG and the BRB */
12683 	if (!CHIP_IS_E1x(bp))
12684 		val |= en * 0x20;
12685 	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12686 
12687 	if (!CHIP_IS_E1(bp)) {
12688 		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12689 		       en*0x3);
12690 	}
12691 
12692 	REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12693 		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
12694 }
12695 static int bnx2x_avoid_link_flap(struct link_params *params,
12696 					    struct link_vars *vars)
12697 {
12698 	u32 phy_idx;
12699 	u32 dont_clear_stat, lfa_sts;
12700 	struct bnx2x *bp = params->bp;
12701 
12702 	bnx2x_set_mdio_emac_per_phy(bp, params);
12703 	/* Sync the link parameters */
12704 	bnx2x_link_status_update(params, vars);
12705 
12706 	/*
12707 	 * The module verification was already done by previous link owner,
12708 	 * so this call is meant only to get warning message
12709 	 */
12710 
12711 	for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12712 		struct bnx2x_phy *phy = &params->phy[phy_idx];
12713 		if (phy->phy_specific_func) {
12714 			DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12715 			phy->phy_specific_func(phy, params, PHY_INIT);
12716 		}
12717 		if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12718 		    (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12719 		    (phy->media_type == ETH_PHY_DA_TWINAX))
12720 			bnx2x_verify_sfp_module(phy, params);
12721 	}
12722 	lfa_sts = REG_RD(bp, params->lfa_base +
12723 			 offsetof(struct shmem_lfa,
12724 				  lfa_sts));
12725 
12726 	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12727 
12728 	/* Re-enable the NIG/MAC */
12729 	if (CHIP_IS_E3(bp)) {
12730 		if (!dont_clear_stat) {
12731 			REG_WR(bp, GRCBASE_MISC +
12732 			       MISC_REGISTERS_RESET_REG_2_CLEAR,
12733 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12734 				params->port));
12735 			REG_WR(bp, GRCBASE_MISC +
12736 			       MISC_REGISTERS_RESET_REG_2_SET,
12737 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12738 				params->port));
12739 		}
12740 		if (vars->line_speed < SPEED_10000)
12741 			bnx2x_umac_enable(params, vars, 0);
12742 		else
12743 			bnx2x_xmac_enable(params, vars, 0);
12744 	} else {
12745 		if (vars->line_speed < SPEED_10000)
12746 			bnx2x_emac_enable(params, vars, 0);
12747 		else
12748 			bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12749 	}
12750 
12751 	/* Increment LFA count */
12752 	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12753 		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12754 		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12755 		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12756 	/* Clear link flap reason */
12757 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12758 
12759 	REG_WR(bp, params->lfa_base +
12760 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12761 
12762 	/* Disable NIG DRAIN */
12763 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12764 
12765 	/* Enable interrupts */
12766 	bnx2x_link_int_enable(params);
12767 	return 0;
12768 }
12769 
12770 static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12771 					 struct link_vars *vars,
12772 					 int lfa_status)
12773 {
12774 	u32 lfa_sts, cfg_idx, tmp_val;
12775 	struct bnx2x *bp = params->bp;
12776 
12777 	bnx2x_link_reset(params, vars, 1);
12778 
12779 	if (!params->lfa_base)
12780 		return;
12781 	/* Store the new link parameters */
12782 	REG_WR(bp, params->lfa_base +
12783 	       offsetof(struct shmem_lfa, req_duplex),
12784 	       params->req_duplex[0] | (params->req_duplex[1] << 16));
12785 
12786 	REG_WR(bp, params->lfa_base +
12787 	       offsetof(struct shmem_lfa, req_flow_ctrl),
12788 	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12789 
12790 	REG_WR(bp, params->lfa_base +
12791 	       offsetof(struct shmem_lfa, req_line_speed),
12792 	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12793 
12794 	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12795 		REG_WR(bp, params->lfa_base +
12796 		       offsetof(struct shmem_lfa,
12797 				speed_cap_mask[cfg_idx]),
12798 		       params->speed_cap_mask[cfg_idx]);
12799 	}
12800 
12801 	tmp_val = REG_RD(bp, params->lfa_base +
12802 			 offsetof(struct shmem_lfa, additional_config));
12803 	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12804 	tmp_val |= params->req_fc_auto_adv;
12805 
12806 	REG_WR(bp, params->lfa_base +
12807 	       offsetof(struct shmem_lfa, additional_config), tmp_val);
12808 
12809 	lfa_sts = REG_RD(bp, params->lfa_base +
12810 			 offsetof(struct shmem_lfa, lfa_sts));
12811 
12812 	/* Clear the "Don't Clear Statistics" bit, and set reason */
12813 	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12814 
12815 	/* Set link flap reason */
12816 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12817 	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12818 		    LFA_LINK_FLAP_REASON_OFFSET);
12819 
12820 	/* Increment link flap counter */
12821 	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12822 		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12823 		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12824 		    << LINK_FLAP_COUNT_OFFSET));
12825 	REG_WR(bp, params->lfa_base +
12826 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12827 	/* Proceed with regular link initialization */
12828 }
12829 
12830 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12831 {
12832 	int lfa_status;
12833 	struct bnx2x *bp = params->bp;
12834 	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12835 	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12836 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
12837 	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12838 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
12839 	DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12840 	vars->link_status = 0;
12841 	vars->phy_link_up = 0;
12842 	vars->link_up = 0;
12843 	vars->line_speed = 0;
12844 	vars->duplex = DUPLEX_FULL;
12845 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12846 	vars->mac_type = MAC_TYPE_NONE;
12847 	vars->phy_flags = 0;
12848 	vars->check_kr2_recovery_cnt = 0;
12849 	params->link_flags = PHY_INITIALIZED;
12850 	/* Driver opens NIG-BRB filters */
12851 	bnx2x_set_rx_filter(params, 1);
12852 	bnx2x_chng_link_count(params, true);
12853 	/* Check if link flap can be avoided */
12854 	lfa_status = bnx2x_check_lfa(params);
12855 
12856 	if (lfa_status == 0) {
12857 		DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12858 		return bnx2x_avoid_link_flap(params, vars);
12859 	}
12860 
12861 	DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12862 		       lfa_status);
12863 	bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12864 
12865 	/* Disable attentions */
12866 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12867 		       (NIG_MASK_XGXS0_LINK_STATUS |
12868 			NIG_MASK_XGXS0_LINK10G |
12869 			NIG_MASK_SERDES0_LINK_STATUS |
12870 			NIG_MASK_MI_INT));
12871 
12872 	bnx2x_emac_init(params, vars);
12873 
12874 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12875 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
12876 
12877 	if (params->num_phys == 0) {
12878 		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12879 		return -EINVAL;
12880 	}
12881 	set_phy_vars(params, vars);
12882 
12883 	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12884 	switch (params->loopback_mode) {
12885 	case LOOPBACK_BMAC:
12886 		bnx2x_init_bmac_loopback(params, vars);
12887 		break;
12888 	case LOOPBACK_EMAC:
12889 		bnx2x_init_emac_loopback(params, vars);
12890 		break;
12891 	case LOOPBACK_XMAC:
12892 		bnx2x_init_xmac_loopback(params, vars);
12893 		break;
12894 	case LOOPBACK_UMAC:
12895 		bnx2x_init_umac_loopback(params, vars);
12896 		break;
12897 	case LOOPBACK_XGXS:
12898 	case LOOPBACK_EXT_PHY:
12899 		bnx2x_init_xgxs_loopback(params, vars);
12900 		break;
12901 	default:
12902 		if (!CHIP_IS_E3(bp)) {
12903 			if (params->switch_cfg == SWITCH_CFG_10G)
12904 				bnx2x_xgxs_deassert(params);
12905 			else
12906 				bnx2x_serdes_deassert(bp, params->port);
12907 		}
12908 		bnx2x_link_initialize(params, vars);
12909 		msleep(30);
12910 		bnx2x_link_int_enable(params);
12911 		break;
12912 	}
12913 	bnx2x_update_mng(params, vars->link_status);
12914 
12915 	bnx2x_update_mng_eee(params, vars->eee_status);
12916 	return 0;
12917 }
12918 
12919 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12920 		     u8 reset_ext_phy)
12921 {
12922 	struct bnx2x *bp = params->bp;
12923 	u8 phy_index, port = params->port, clear_latch_ind = 0;
12924 	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12925 	/* Disable attentions */
12926 	vars->link_status = 0;
12927 	bnx2x_chng_link_count(params, true);
12928 	bnx2x_update_mng(params, vars->link_status);
12929 	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12930 			      SHMEM_EEE_ACTIVE_BIT);
12931 	bnx2x_update_mng_eee(params, vars->eee_status);
12932 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12933 		       (NIG_MASK_XGXS0_LINK_STATUS |
12934 			NIG_MASK_XGXS0_LINK10G |
12935 			NIG_MASK_SERDES0_LINK_STATUS |
12936 			NIG_MASK_MI_INT));
12937 
12938 	/* Activate nig drain */
12939 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12940 
12941 	/* Disable nig egress interface */
12942 	if (!CHIP_IS_E3(bp)) {
12943 		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12944 		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12945 	}
12946 
12947 		if (!CHIP_IS_E3(bp)) {
12948 			bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12949 		} else {
12950 			bnx2x_set_xmac_rxtx(params, 0);
12951 			bnx2x_set_umac_rxtx(params, 0);
12952 		}
12953 	/* Disable emac */
12954 	if (!CHIP_IS_E3(bp))
12955 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12956 
12957 	usleep_range(10000, 20000);
12958 	/* The PHY reset is controlled by GPIO 1
12959 	 * Hold it as vars low
12960 	 */
12961 	 /* Clear link led */
12962 	bnx2x_set_mdio_emac_per_phy(bp, params);
12963 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12964 
12965 	if (reset_ext_phy) {
12966 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12967 		      phy_index++) {
12968 			if (params->phy[phy_index].link_reset) {
12969 				bnx2x_set_aer_mmd(params,
12970 						  &params->phy[phy_index]);
12971 				params->phy[phy_index].link_reset(
12972 					&params->phy[phy_index],
12973 					params);
12974 			}
12975 			if (params->phy[phy_index].flags &
12976 			    FLAGS_REARM_LATCH_SIGNAL)
12977 				clear_latch_ind = 1;
12978 		}
12979 	}
12980 
12981 	if (clear_latch_ind) {
12982 		/* Clear latching indication */
12983 		bnx2x_rearm_latch_signal(bp, port, 0);
12984 		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12985 			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
12986 	}
12987 	if (params->phy[INT_PHY].link_reset)
12988 		params->phy[INT_PHY].link_reset(
12989 			&params->phy[INT_PHY], params);
12990 
12991 	/* Disable nig ingress interface */
12992 	if (!CHIP_IS_E3(bp)) {
12993 		/* Reset BigMac */
12994 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12995 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12996 		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12997 		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12998 	} else {
12999 		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13000 		bnx2x_set_xumac_nig(params, 0, 0);
13001 		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13002 		    MISC_REGISTERS_RESET_REG_2_XMAC)
13003 			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
13004 			       XMAC_CTRL_REG_SOFT_RESET);
13005 	}
13006 	vars->link_up = 0;
13007 	vars->phy_flags = 0;
13008 	return 0;
13009 }
13010 int bnx2x_lfa_reset(struct link_params *params,
13011 			       struct link_vars *vars)
13012 {
13013 	struct bnx2x *bp = params->bp;
13014 	vars->link_up = 0;
13015 	vars->phy_flags = 0;
13016 	params->link_flags &= ~PHY_INITIALIZED;
13017 	if (!params->lfa_base)
13018 		return bnx2x_link_reset(params, vars, 1);
13019 	/*
13020 	 * Activate NIG drain so that during this time the device won't send
13021 	 * anything while it is unable to response.
13022 	 */
13023 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13024 
13025 	/*
13026 	 * Close gracefully the gate from BMAC to NIG such that no half packets
13027 	 * are passed.
13028 	 */
13029 	if (!CHIP_IS_E3(bp))
13030 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
13031 
13032 	if (CHIP_IS_E3(bp)) {
13033 		bnx2x_set_xmac_rxtx(params, 0);
13034 		bnx2x_set_umac_rxtx(params, 0);
13035 	}
13036 	/* Wait 10ms for the pipe to clean up*/
13037 	usleep_range(10000, 20000);
13038 
13039 	/* Clean the NIG-BRB using the network filters in a way that will
13040 	 * not cut a packet in the middle.
13041 	 */
13042 	bnx2x_set_rx_filter(params, 0);
13043 
13044 	/*
13045 	 * Re-open the gate between the BMAC and the NIG, after verifying the
13046 	 * gate to the BRB is closed, otherwise packets may arrive to the
13047 	 * firmware before driver had initialized it. The target is to achieve
13048 	 * minimum management protocol down time.
13049 	 */
13050 	if (!CHIP_IS_E3(bp))
13051 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
13052 
13053 	if (CHIP_IS_E3(bp)) {
13054 		bnx2x_set_xmac_rxtx(params, 1);
13055 		bnx2x_set_umac_rxtx(params, 1);
13056 	}
13057 	/* Disable NIG drain */
13058 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13059 	return 0;
13060 }
13061 
13062 /****************************************************************************/
13063 /*				Common function				    */
13064 /****************************************************************************/
13065 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
13066 				      u32 shmem_base_path[],
13067 				      u32 shmem2_base_path[], u8 phy_index,
13068 				      u32 chip_id)
13069 {
13070 	struct bnx2x_phy phy[PORT_MAX];
13071 	struct bnx2x_phy *phy_blk[PORT_MAX];
13072 	u16 val;
13073 	s8 port = 0;
13074 	s8 port_of_path = 0;
13075 	u32 swap_val, swap_override;
13076 	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
13077 	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
13078 	port ^= (swap_val && swap_override);
13079 	bnx2x_ext_phy_hw_reset(bp, port);
13080 	/* PART1 - Reset both phys */
13081 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13082 		u32 shmem_base, shmem2_base;
13083 		/* In E2, same phy is using for port0 of the two paths */
13084 		if (CHIP_IS_E1x(bp)) {
13085 			shmem_base = shmem_base_path[0];
13086 			shmem2_base = shmem2_base_path[0];
13087 			port_of_path = port;
13088 		} else {
13089 			shmem_base = shmem_base_path[port];
13090 			shmem2_base = shmem2_base_path[port];
13091 			port_of_path = 0;
13092 		}
13093 
13094 		/* Extract the ext phy address for the port */
13095 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13096 				       port_of_path, &phy[port]) !=
13097 		    0) {
13098 			DP(NETIF_MSG_LINK, "populate_phy failed\n");
13099 			return -EINVAL;
13100 		}
13101 		/* Disable attentions */
13102 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13103 			       port_of_path*4,
13104 			       (NIG_MASK_XGXS0_LINK_STATUS |
13105 				NIG_MASK_XGXS0_LINK10G |
13106 				NIG_MASK_SERDES0_LINK_STATUS |
13107 				NIG_MASK_MI_INT));
13108 
13109 		/* Need to take the phy out of low power mode in order
13110 		 * to write to access its registers
13111 		 */
13112 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13113 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13114 			       port);
13115 
13116 		/* Reset the phy */
13117 		bnx2x_cl45_write(bp, &phy[port],
13118 				 MDIO_PMA_DEVAD,
13119 				 MDIO_PMA_REG_CTRL,
13120 				 1<<15);
13121 	}
13122 
13123 	/* Add delay of 150ms after reset */
13124 	msleep(150);
13125 
13126 	if (phy[PORT_0].addr & 0x1) {
13127 		phy_blk[PORT_0] = &(phy[PORT_1]);
13128 		phy_blk[PORT_1] = &(phy[PORT_0]);
13129 	} else {
13130 		phy_blk[PORT_0] = &(phy[PORT_0]);
13131 		phy_blk[PORT_1] = &(phy[PORT_1]);
13132 	}
13133 
13134 	/* PART2 - Download firmware to both phys */
13135 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13136 		if (CHIP_IS_E1x(bp))
13137 			port_of_path = port;
13138 		else
13139 			port_of_path = 0;
13140 
13141 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13142 			   phy_blk[port]->addr);
13143 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13144 						      port_of_path))
13145 			return -EINVAL;
13146 
13147 		/* Only set bit 10 = 1 (Tx power down) */
13148 		bnx2x_cl45_read(bp, phy_blk[port],
13149 				MDIO_PMA_DEVAD,
13150 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
13151 
13152 		/* Phase1 of TX_POWER_DOWN reset */
13153 		bnx2x_cl45_write(bp, phy_blk[port],
13154 				 MDIO_PMA_DEVAD,
13155 				 MDIO_PMA_REG_TX_POWER_DOWN,
13156 				 (val | 1<<10));
13157 	}
13158 
13159 	/* Toggle Transmitter: Power down and then up with 600ms delay
13160 	 * between
13161 	 */
13162 	msleep(600);
13163 
13164 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
13165 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13166 		/* Phase2 of POWER_DOWN_RESET */
13167 		/* Release bit 10 (Release Tx power down) */
13168 		bnx2x_cl45_read(bp, phy_blk[port],
13169 				MDIO_PMA_DEVAD,
13170 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
13171 
13172 		bnx2x_cl45_write(bp, phy_blk[port],
13173 				MDIO_PMA_DEVAD,
13174 				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
13175 		usleep_range(15000, 30000);
13176 
13177 		/* Read modify write the SPI-ROM version select register */
13178 		bnx2x_cl45_read(bp, phy_blk[port],
13179 				MDIO_PMA_DEVAD,
13180 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
13181 		bnx2x_cl45_write(bp, phy_blk[port],
13182 				 MDIO_PMA_DEVAD,
13183 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
13184 
13185 		/* set GPIO2 back to LOW */
13186 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13187 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
13188 	}
13189 	return 0;
13190 }
13191 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
13192 				      u32 shmem_base_path[],
13193 				      u32 shmem2_base_path[], u8 phy_index,
13194 				      u32 chip_id)
13195 {
13196 	u32 val;
13197 	s8 port;
13198 	struct bnx2x_phy phy;
13199 	/* Use port1 because of the static port-swap */
13200 	/* Enable the module detection interrupt */
13201 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13202 	val |= ((1<<MISC_REGISTERS_GPIO_3)|
13203 		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
13204 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13205 
13206 	bnx2x_ext_phy_hw_reset(bp, 0);
13207 	usleep_range(5000, 10000);
13208 	for (port = 0; port < PORT_MAX; port++) {
13209 		u32 shmem_base, shmem2_base;
13210 
13211 		/* In E2, same phy is using for port0 of the two paths */
13212 		if (CHIP_IS_E1x(bp)) {
13213 			shmem_base = shmem_base_path[0];
13214 			shmem2_base = shmem2_base_path[0];
13215 		} else {
13216 			shmem_base = shmem_base_path[port];
13217 			shmem2_base = shmem2_base_path[port];
13218 		}
13219 		/* Extract the ext phy address for the port */
13220 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13221 				       port, &phy) !=
13222 		    0) {
13223 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13224 			return -EINVAL;
13225 		}
13226 
13227 		/* Reset phy*/
13228 		bnx2x_cl45_write(bp, &phy,
13229 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13230 
13231 
13232 		/* Set fault module detected LED on */
13233 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13234 			       MISC_REGISTERS_GPIO_HIGH,
13235 			       port);
13236 	}
13237 
13238 	return 0;
13239 }
13240 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13241 					 u8 *io_gpio, u8 *io_port)
13242 {
13243 
13244 	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13245 					  offsetof(struct shmem_region,
13246 				dev_info.port_hw_config[PORT_0].default_cfg));
13247 	switch (phy_gpio_reset) {
13248 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13249 		*io_gpio = 0;
13250 		*io_port = 0;
13251 		break;
13252 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13253 		*io_gpio = 1;
13254 		*io_port = 0;
13255 		break;
13256 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13257 		*io_gpio = 2;
13258 		*io_port = 0;
13259 		break;
13260 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13261 		*io_gpio = 3;
13262 		*io_port = 0;
13263 		break;
13264 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13265 		*io_gpio = 0;
13266 		*io_port = 1;
13267 		break;
13268 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13269 		*io_gpio = 1;
13270 		*io_port = 1;
13271 		break;
13272 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13273 		*io_gpio = 2;
13274 		*io_port = 1;
13275 		break;
13276 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13277 		*io_gpio = 3;
13278 		*io_port = 1;
13279 		break;
13280 	default:
13281 		/* Don't override the io_gpio and io_port */
13282 		break;
13283 	}
13284 }
13285 
13286 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13287 				      u32 shmem_base_path[],
13288 				      u32 shmem2_base_path[], u8 phy_index,
13289 				      u32 chip_id)
13290 {
13291 	s8 port, reset_gpio;
13292 	u32 swap_val, swap_override;
13293 	struct bnx2x_phy phy[PORT_MAX];
13294 	struct bnx2x_phy *phy_blk[PORT_MAX];
13295 	s8 port_of_path;
13296 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13297 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13298 
13299 	reset_gpio = MISC_REGISTERS_GPIO_1;
13300 	port = 1;
13301 
13302 	/* Retrieve the reset gpio/port which control the reset.
13303 	 * Default is GPIO1, PORT1
13304 	 */
13305 	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13306 				     (u8 *)&reset_gpio, (u8 *)&port);
13307 
13308 	/* Calculate the port based on port swap */
13309 	port ^= (swap_val && swap_override);
13310 
13311 	/* Initiate PHY reset*/
13312 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13313 		       port);
13314 	usleep_range(1000, 2000);
13315 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13316 		       port);
13317 
13318 	usleep_range(5000, 10000);
13319 
13320 	/* PART1 - Reset both phys */
13321 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13322 		u32 shmem_base, shmem2_base;
13323 
13324 		/* In E2, same phy is using for port0 of the two paths */
13325 		if (CHIP_IS_E1x(bp)) {
13326 			shmem_base = shmem_base_path[0];
13327 			shmem2_base = shmem2_base_path[0];
13328 			port_of_path = port;
13329 		} else {
13330 			shmem_base = shmem_base_path[port];
13331 			shmem2_base = shmem2_base_path[port];
13332 			port_of_path = 0;
13333 		}
13334 
13335 		/* Extract the ext phy address for the port */
13336 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13337 				       port_of_path, &phy[port]) !=
13338 				       0) {
13339 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13340 			return -EINVAL;
13341 		}
13342 		/* disable attentions */
13343 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13344 			       port_of_path*4,
13345 			       (NIG_MASK_XGXS0_LINK_STATUS |
13346 				NIG_MASK_XGXS0_LINK10G |
13347 				NIG_MASK_SERDES0_LINK_STATUS |
13348 				NIG_MASK_MI_INT));
13349 
13350 
13351 		/* Reset the phy */
13352 		bnx2x_cl45_write(bp, &phy[port],
13353 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13354 	}
13355 
13356 	/* Add delay of 150ms after reset */
13357 	msleep(150);
13358 	if (phy[PORT_0].addr & 0x1) {
13359 		phy_blk[PORT_0] = &(phy[PORT_1]);
13360 		phy_blk[PORT_1] = &(phy[PORT_0]);
13361 	} else {
13362 		phy_blk[PORT_0] = &(phy[PORT_0]);
13363 		phy_blk[PORT_1] = &(phy[PORT_1]);
13364 	}
13365 	/* PART2 - Download firmware to both phys */
13366 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13367 		if (CHIP_IS_E1x(bp))
13368 			port_of_path = port;
13369 		else
13370 			port_of_path = 0;
13371 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13372 			   phy_blk[port]->addr);
13373 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13374 						      port_of_path))
13375 			return -EINVAL;
13376 		/* Disable PHY transmitter output */
13377 		bnx2x_cl45_write(bp, phy_blk[port],
13378 				 MDIO_PMA_DEVAD,
13379 				 MDIO_PMA_REG_TX_DISABLE, 1);
13380 
13381 	}
13382 	return 0;
13383 }
13384 
13385 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13386 						u32 shmem_base_path[],
13387 						u32 shmem2_base_path[],
13388 						u8 phy_index,
13389 						u32 chip_id)
13390 {
13391 	u8 reset_gpios;
13392 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13393 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13394 	udelay(10);
13395 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13396 	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13397 		reset_gpios);
13398 	return 0;
13399 }
13400 
13401 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13402 				     u32 shmem2_base_path[], u8 phy_index,
13403 				     u32 ext_phy_type, u32 chip_id)
13404 {
13405 	int rc = 0;
13406 
13407 	switch (ext_phy_type) {
13408 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13409 		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13410 						shmem2_base_path,
13411 						phy_index, chip_id);
13412 		break;
13413 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13414 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13415 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13416 		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13417 						shmem2_base_path,
13418 						phy_index, chip_id);
13419 		break;
13420 
13421 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13422 		/* GPIO1 affects both ports, so there's need to pull
13423 		 * it for single port alone
13424 		 */
13425 		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13426 						shmem2_base_path,
13427 						phy_index, chip_id);
13428 		break;
13429 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13430 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13431 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
13432 		/* GPIO3's are linked, and so both need to be toggled
13433 		 * to obtain required 2us pulse.
13434 		 */
13435 		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13436 						shmem2_base_path,
13437 						phy_index, chip_id);
13438 		break;
13439 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13440 		rc = -EINVAL;
13441 		break;
13442 	default:
13443 		DP(NETIF_MSG_LINK,
13444 			   "ext_phy 0x%x common init not required\n",
13445 			   ext_phy_type);
13446 		break;
13447 	}
13448 
13449 	if (rc)
13450 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
13451 				      " Port %d\n",
13452 			 0);
13453 	return rc;
13454 }
13455 
13456 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13457 			  u32 shmem2_base_path[], u32 chip_id)
13458 {
13459 	int rc = 0;
13460 	u32 phy_ver, val;
13461 	u8 phy_index = 0;
13462 	u32 ext_phy_type, ext_phy_config;
13463 
13464 	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13465 	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13466 	DP(NETIF_MSG_LINK, "Begin common phy init\n");
13467 	if (CHIP_IS_E3(bp)) {
13468 		/* Enable EPIO */
13469 		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13470 		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13471 	}
13472 	/* Check if common init was already done */
13473 	phy_ver = REG_RD(bp, shmem_base_path[0] +
13474 			 offsetof(struct shmem_region,
13475 				  port_mb[PORT_0].ext_phy_fw_version));
13476 	if (phy_ver) {
13477 		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13478 			       phy_ver);
13479 		return 0;
13480 	}
13481 
13482 	/* Read the ext_phy_type for arbitrary port(0) */
13483 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13484 	      phy_index++) {
13485 		ext_phy_config = bnx2x_get_ext_phy_config(bp,
13486 							  shmem_base_path[0],
13487 							  phy_index, 0);
13488 		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13489 		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13490 						shmem2_base_path,
13491 						phy_index, ext_phy_type,
13492 						chip_id);
13493 	}
13494 	return rc;
13495 }
13496 
13497 static void bnx2x_check_over_curr(struct link_params *params,
13498 				  struct link_vars *vars)
13499 {
13500 	struct bnx2x *bp = params->bp;
13501 	u32 cfg_pin;
13502 	u8 port = params->port;
13503 	u32 pin_val;
13504 
13505 	cfg_pin = (REG_RD(bp, params->shmem_base +
13506 			  offsetof(struct shmem_region,
13507 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13508 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13509 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13510 
13511 	/* Ignore check if no external input PIN available */
13512 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13513 		return;
13514 
13515 	if (!pin_val) {
13516 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13517 			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
13518 					    " been detected and the power to "
13519 					    "that SFP+ module has been removed"
13520 					    " to prevent failure of the card."
13521 					    " Please remove the SFP+ module and"
13522 					    " restart the system to clear this"
13523 					    " error.\n",
13524 			 params->port);
13525 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13526 			bnx2x_warpcore_power_module(params, 0);
13527 		}
13528 	} else
13529 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13530 }
13531 
13532 /* Returns 0 if no change occurred since last check; 1 otherwise. */
13533 static u8 bnx2x_analyze_link_error(struct link_params *params,
13534 				    struct link_vars *vars, u32 status,
13535 				    u32 phy_flag, u32 link_flag, u8 notify)
13536 {
13537 	struct bnx2x *bp = params->bp;
13538 	/* Compare new value with previous value */
13539 	u8 led_mode;
13540 	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13541 
13542 	if ((status ^ old_status) == 0)
13543 		return 0;
13544 
13545 	/* If values differ */
13546 	switch (phy_flag) {
13547 	case PHY_HALF_OPEN_CONN_FLAG:
13548 		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13549 		break;
13550 	case PHY_SFP_TX_FAULT_FLAG:
13551 		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13552 		break;
13553 	default:
13554 		DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13555 	}
13556 	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13557 	   old_status, status);
13558 
13559 	/* Do not touch the link in case physical link down */
13560 	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13561 		return 1;
13562 
13563 	/* a. Update shmem->link_status accordingly
13564 	 * b. Update link_vars->link_up
13565 	 */
13566 	if (status) {
13567 		vars->link_status &= ~LINK_STATUS_LINK_UP;
13568 		vars->link_status |= link_flag;
13569 		vars->link_up = 0;
13570 		vars->phy_flags |= phy_flag;
13571 
13572 		/* activate nig drain */
13573 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13574 		/* Set LED mode to off since the PHY doesn't know about these
13575 		 * errors
13576 		 */
13577 		led_mode = LED_MODE_OFF;
13578 	} else {
13579 		vars->link_status |= LINK_STATUS_LINK_UP;
13580 		vars->link_status &= ~link_flag;
13581 		vars->link_up = 1;
13582 		vars->phy_flags &= ~phy_flag;
13583 		led_mode = LED_MODE_OPER;
13584 
13585 		/* Clear nig drain */
13586 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13587 	}
13588 	bnx2x_sync_link(params, vars);
13589 	/* Update the LED according to the link state */
13590 	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13591 
13592 	/* Update link status in the shared memory */
13593 	bnx2x_update_mng(params, vars->link_status);
13594 
13595 	/* C. Trigger General Attention */
13596 	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13597 	if (notify)
13598 		bnx2x_notify_link_changed(bp);
13599 
13600 	return 1;
13601 }
13602 
13603 /******************************************************************************
13604 * Description:
13605 *	This function checks for half opened connection change indication.
13606 *	When such change occurs, it calls the bnx2x_analyze_link_error
13607 *	to check if Remote Fault is set or cleared. Reception of remote fault
13608 *	status message in the MAC indicates that the peer's MAC has detected
13609 *	a fault, for example, due to break in the TX side of fiber.
13610 *
13611 ******************************************************************************/
13612 static int bnx2x_check_half_open_conn(struct link_params *params,
13613 				      struct link_vars *vars,
13614 				      u8 notify)
13615 {
13616 	struct bnx2x *bp = params->bp;
13617 	u32 lss_status = 0;
13618 	u32 mac_base;
13619 	/* In case link status is physically up @ 10G do */
13620 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13621 	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13622 		return 0;
13623 
13624 	if (CHIP_IS_E3(bp) &&
13625 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
13626 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13627 		/* Check E3 XMAC */
13628 		/* Note that link speed cannot be queried here, since it may be
13629 		 * zero while link is down. In case UMAC is active, LSS will
13630 		 * simply not be set
13631 		 */
13632 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13633 
13634 		/* Clear stick bits (Requires rising edge) */
13635 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13636 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13637 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13638 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13639 		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13640 			lss_status = 1;
13641 
13642 		bnx2x_analyze_link_error(params, vars, lss_status,
13643 					 PHY_HALF_OPEN_CONN_FLAG,
13644 					 LINK_STATUS_NONE, notify);
13645 	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13646 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13647 		/* Check E1X / E2 BMAC */
13648 		u32 lss_status_reg;
13649 		u32 wb_data[2];
13650 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13651 			NIG_REG_INGRESS_BMAC0_MEM;
13652 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13653 		if (CHIP_IS_E2(bp))
13654 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13655 		else
13656 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13657 
13658 		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13659 		lss_status = (wb_data[0] > 0);
13660 
13661 		bnx2x_analyze_link_error(params, vars, lss_status,
13662 					 PHY_HALF_OPEN_CONN_FLAG,
13663 					 LINK_STATUS_NONE, notify);
13664 	}
13665 	return 0;
13666 }
13667 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13668 					 struct link_params *params,
13669 					 struct link_vars *vars)
13670 {
13671 	struct bnx2x *bp = params->bp;
13672 	u32 cfg_pin, value = 0;
13673 	u8 led_change, port = params->port;
13674 
13675 	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13676 	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13677 			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13678 		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13679 		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13680 
13681 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13682 		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13683 		return;
13684 	}
13685 
13686 	led_change = bnx2x_analyze_link_error(params, vars, value,
13687 					      PHY_SFP_TX_FAULT_FLAG,
13688 					      LINK_STATUS_SFP_TX_FAULT, 1);
13689 
13690 	if (led_change) {
13691 		/* Change TX_Fault led, set link status for further syncs */
13692 		u8 led_mode;
13693 
13694 		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13695 			led_mode = MISC_REGISTERS_GPIO_HIGH;
13696 			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13697 		} else {
13698 			led_mode = MISC_REGISTERS_GPIO_LOW;
13699 			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13700 		}
13701 
13702 		/* If module is unapproved, led should be on regardless */
13703 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13704 			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13705 			   led_mode);
13706 			bnx2x_set_e3_module_fault_led(params, led_mode);
13707 		}
13708 	}
13709 }
13710 static void bnx2x_kr2_recovery(struct link_params *params,
13711 			       struct link_vars *vars,
13712 			       struct bnx2x_phy *phy)
13713 {
13714 	struct bnx2x *bp = params->bp;
13715 	DP(NETIF_MSG_LINK, "KR2 recovery\n");
13716 	bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13717 	bnx2x_warpcore_restart_AN_KR(phy, params);
13718 }
13719 
13720 static void bnx2x_check_kr2_wa(struct link_params *params,
13721 			       struct link_vars *vars,
13722 			       struct bnx2x_phy *phy)
13723 {
13724 	struct bnx2x *bp = params->bp;
13725 	u16 base_page, next_page, not_kr2_device, lane;
13726 	int sigdet;
13727 
13728 	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13729 	 * Since some switches tend to reinit the AN process and clear the
13730 	 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13731 	 * and recovered many times
13732 	 */
13733 	if (vars->check_kr2_recovery_cnt > 0) {
13734 		vars->check_kr2_recovery_cnt--;
13735 		return;
13736 	}
13737 
13738 	sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13739 	if (!sigdet) {
13740 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13741 			bnx2x_kr2_recovery(params, vars, phy);
13742 			DP(NETIF_MSG_LINK, "No sigdet\n");
13743 		}
13744 		return;
13745 	}
13746 
13747 	lane = bnx2x_get_warpcore_lane(phy, params);
13748 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13749 			  MDIO_AER_BLOCK_AER_REG, lane);
13750 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13751 			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13752 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13753 			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13754 	bnx2x_set_aer_mmd(params, phy);
13755 
13756 	/* CL73 has not begun yet */
13757 	if (base_page == 0) {
13758 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13759 			bnx2x_kr2_recovery(params, vars, phy);
13760 			DP(NETIF_MSG_LINK, "No BP\n");
13761 		}
13762 		return;
13763 	}
13764 
13765 	/* In case NP bit is not set in the BasePage, or it is set,
13766 	 * but only KX is advertised, declare this link partner as non-KR2
13767 	 * device.
13768 	 */
13769 	not_kr2_device = (((base_page & 0x8000) == 0) ||
13770 			  (((base_page & 0x8000) &&
13771 			    ((next_page & 0xe0) == 0x20))));
13772 
13773 	/* In case KR2 is already disabled, check if we need to re-enable it */
13774 	if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13775 		if (!not_kr2_device) {
13776 			DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13777 			   next_page);
13778 			bnx2x_kr2_recovery(params, vars, phy);
13779 		}
13780 		return;
13781 	}
13782 	/* KR2 is enabled, but not KR2 device */
13783 	if (not_kr2_device) {
13784 		/* Disable KR2 on both lanes */
13785 		DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13786 		bnx2x_disable_kr2(params, vars, phy);
13787 		/* Restart AN on leading lane */
13788 		bnx2x_warpcore_restart_AN_KR(phy, params);
13789 		return;
13790 	}
13791 }
13792 
13793 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13794 {
13795 	u16 phy_idx;
13796 	struct bnx2x *bp = params->bp;
13797 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13798 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13799 			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13800 			if (bnx2x_check_half_open_conn(params, vars, 1) !=
13801 			    0)
13802 				DP(NETIF_MSG_LINK, "Fault detection failed\n");
13803 			break;
13804 		}
13805 	}
13806 
13807 	if (CHIP_IS_E3(bp)) {
13808 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
13809 		bnx2x_set_aer_mmd(params, phy);
13810 		if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13811 		    (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
13812 			bnx2x_check_kr2_wa(params, vars, phy);
13813 		bnx2x_check_over_curr(params, vars);
13814 		if (vars->rx_tx_asic_rst)
13815 			bnx2x_warpcore_config_runtime(phy, params, vars);
13816 
13817 		if ((REG_RD(bp, params->shmem_base +
13818 			    offsetof(struct shmem_region, dev_info.
13819 				port_hw_config[params->port].default_cfg))
13820 		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13821 		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
13822 			if (bnx2x_is_sfp_module_plugged(phy, params)) {
13823 				bnx2x_sfp_tx_fault_detection(phy, params, vars);
13824 			} else if (vars->link_status &
13825 				LINK_STATUS_SFP_TX_FAULT) {
13826 				/* Clean trail, interrupt corrects the leds */
13827 				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13828 				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13829 				/* Update link status in the shared memory */
13830 				bnx2x_update_mng(params, vars->link_status);
13831 			}
13832 		}
13833 	}
13834 }
13835 
13836 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13837 			     u32 shmem_base,
13838 			     u32 shmem2_base,
13839 			     u8 port)
13840 {
13841 	u8 phy_index, fan_failure_det_req = 0;
13842 	struct bnx2x_phy phy;
13843 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13844 	      phy_index++) {
13845 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13846 				       port, &phy)
13847 		    != 0) {
13848 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13849 			return 0;
13850 		}
13851 		fan_failure_det_req |= (phy.flags &
13852 					FLAGS_FAN_FAILURE_DET_REQ);
13853 	}
13854 	return fan_failure_det_req;
13855 }
13856 
13857 void bnx2x_hw_reset_phy(struct link_params *params)
13858 {
13859 	u8 phy_index;
13860 	struct bnx2x *bp = params->bp;
13861 	bnx2x_update_mng(params, 0);
13862 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13863 		       (NIG_MASK_XGXS0_LINK_STATUS |
13864 			NIG_MASK_XGXS0_LINK10G |
13865 			NIG_MASK_SERDES0_LINK_STATUS |
13866 			NIG_MASK_MI_INT));
13867 
13868 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13869 	      phy_index++) {
13870 		if (params->phy[phy_index].hw_reset) {
13871 			params->phy[phy_index].hw_reset(
13872 				&params->phy[phy_index],
13873 				params);
13874 			params->phy[phy_index] = phy_null;
13875 		}
13876 	}
13877 }
13878 
13879 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13880 			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
13881 			    u8 port)
13882 {
13883 	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13884 	u32 val;
13885 	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13886 	if (CHIP_IS_E3(bp)) {
13887 		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13888 					      shmem_base,
13889 					      port,
13890 					      &gpio_num,
13891 					      &gpio_port) != 0)
13892 			return;
13893 	} else {
13894 		struct bnx2x_phy phy;
13895 		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13896 		      phy_index++) {
13897 			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13898 					       shmem2_base, port, &phy)
13899 			    != 0) {
13900 				DP(NETIF_MSG_LINK, "populate phy failed\n");
13901 				return;
13902 			}
13903 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13904 				gpio_num = MISC_REGISTERS_GPIO_3;
13905 				gpio_port = port;
13906 				break;
13907 			}
13908 		}
13909 	}
13910 
13911 	if (gpio_num == 0xff)
13912 		return;
13913 
13914 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
13915 	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13916 
13917 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13918 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13919 	gpio_port ^= (swap_val && swap_override);
13920 
13921 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13922 		(gpio_num + (gpio_port << 2));
13923 
13924 	sync_offset = shmem_base +
13925 		offsetof(struct shmem_region,
13926 			 dev_info.port_hw_config[port].aeu_int_mask);
13927 	REG_WR(bp, sync_offset, vars->aeu_int_mask);
13928 
13929 	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13930 		       gpio_num, gpio_port, vars->aeu_int_mask);
13931 
13932 	if (port == 0)
13933 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13934 	else
13935 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13936 
13937 	/* Open appropriate AEU for interrupts */
13938 	aeu_mask = REG_RD(bp, offset);
13939 	aeu_mask |= vars->aeu_int_mask;
13940 	REG_WR(bp, offset, aeu_mask);
13941 
13942 	/* Enable the GPIO to trigger interrupt */
13943 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13944 	val |= 1 << (gpio_num + (gpio_port << 2));
13945 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13946 }
13947