1 /* Copyright 2008-2013 Broadcom Corporation
2  *
3  * Unless you and Broadcom execute a separate written software license
4  * agreement governing use of this software, this software is licensed to you
5  * under the terms of the GNU General Public License version 2, available
6  * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
7  *
8  * Notwithstanding the above, under no circumstances may you combine this
9  * software in any way with any other Broadcom software provided under a
10  * license other than the GPL, without Broadcom's express prior written
11  * consent.
12  *
13  * Written by Yaniv Rosner
14  *
15  */
16 
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18 
19 #include <linux/kernel.h>
20 #include <linux/errno.h>
21 #include <linux/pci.h>
22 #include <linux/netdevice.h>
23 #include <linux/delay.h>
24 #include <linux/ethtool.h>
25 #include <linux/mutex.h>
26 
27 #include "bnx2x.h"
28 #include "bnx2x_cmn.h"
29 
30 typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
31 					     struct link_params *params,
32 					     u8 dev_addr, u16 addr, u8 byte_cnt,
33 					     u8 *o_buf, u8);
34 /********************************************************/
35 #define ETH_HLEN			14
36 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
37 #define ETH_OVREHEAD			(ETH_HLEN + 8 + 8)
38 #define ETH_MIN_PACKET_SIZE		60
39 #define ETH_MAX_PACKET_SIZE		1500
40 #define ETH_MAX_JUMBO_PACKET_SIZE	9600
41 #define MDIO_ACCESS_TIMEOUT		1000
42 #define WC_LANE_MAX			4
43 #define I2C_SWITCH_WIDTH		2
44 #define I2C_BSC0			0
45 #define I2C_BSC1			1
46 #define I2C_WA_RETRY_CNT		3
47 #define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
48 #define MCPR_IMC_COMMAND_READ_OP	1
49 #define MCPR_IMC_COMMAND_WRITE_OP	2
50 
51 /* LED Blink rate that will achieve ~15.9Hz */
52 #define LED_BLINK_RATE_VAL_E3		354
53 #define LED_BLINK_RATE_VAL_E1X_E2	480
54 /***********************************************************/
55 /*			Shortcut definitions		   */
56 /***********************************************************/
57 
58 #define NIG_LATCH_BC_ENABLE_MI_INT 0
59 
60 #define NIG_STATUS_EMAC0_MI_INT \
61 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
62 #define NIG_STATUS_XGXS0_LINK10G \
63 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
64 #define NIG_STATUS_XGXS0_LINK_STATUS \
65 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
66 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
67 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
68 #define NIG_STATUS_SERDES0_LINK_STATUS \
69 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
70 #define NIG_MASK_MI_INT \
71 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
72 #define NIG_MASK_XGXS0_LINK10G \
73 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
74 #define NIG_MASK_XGXS0_LINK_STATUS \
75 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
76 #define NIG_MASK_SERDES0_LINK_STATUS \
77 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
78 
79 #define MDIO_AN_CL73_OR_37_COMPLETE \
80 		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
81 		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
82 
83 #define XGXS_RESET_BITS \
84 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
85 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
86 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
87 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
88 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
89 
90 #define SERDES_RESET_BITS \
91 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
92 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
93 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
94 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
95 
96 #define AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
97 #define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
98 #define AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
99 #define AUTONEG_PARALLEL \
100 				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
101 #define AUTONEG_SGMII_FIBER_AUTODET \
102 				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
103 #define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
104 
105 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
106 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
107 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
108 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
109 #define GP_STATUS_SPEED_MASK \
110 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
111 #define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
112 #define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
113 #define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
114 #define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
115 #define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
116 #define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
117 #define GP_STATUS_10G_HIG \
118 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
119 #define GP_STATUS_10G_CX4 \
120 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
121 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
122 #define GP_STATUS_10G_KX4 \
123 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
124 #define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
125 #define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
126 #define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
127 #define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
128 #define	GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
129 #define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
130 #define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
131 #define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
132 #define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
133 #define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
134 #define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
135 #define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
136 #define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
137 #define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
138 #define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
139 #define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
140 #define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
141 #define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
142 #define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
143 #define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
144 
145 #define LINK_UPDATE_MASK \
146 			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
147 			 LINK_STATUS_LINK_UP | \
148 			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
149 			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
150 			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
151 			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
152 			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
153 			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
154 			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
155 
156 #define SFP_EEPROM_CON_TYPE_ADDR		0x2
157 	#define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN	0x0
158 	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
159 	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
160 	#define SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22
161 
162 
163 #define SFP_EEPROM_10G_COMP_CODE_ADDR		0x3
164 	#define SFP_EEPROM_10G_COMP_CODE_SR_MASK	(1<<4)
165 	#define SFP_EEPROM_10G_COMP_CODE_LR_MASK	(1<<5)
166 	#define SFP_EEPROM_10G_COMP_CODE_LRM_MASK	(1<<6)
167 
168 #define SFP_EEPROM_1G_COMP_CODE_ADDR		0x6
169 	#define SFP_EEPROM_1G_COMP_CODE_SX	(1<<0)
170 	#define SFP_EEPROM_1G_COMP_CODE_LX	(1<<1)
171 	#define SFP_EEPROM_1G_COMP_CODE_CX	(1<<2)
172 	#define SFP_EEPROM_1G_COMP_CODE_BASE_T	(1<<3)
173 
174 #define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
175 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
176 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
177 
178 #define SFP_EEPROM_OPTIONS_ADDR			0x40
179 	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
180 #define SFP_EEPROM_OPTIONS_SIZE			2
181 
182 #define EDC_MODE_LINEAR				0x0022
183 #define EDC_MODE_LIMITING				0x0044
184 #define EDC_MODE_PASSIVE_DAC			0x0055
185 #define EDC_MODE_ACTIVE_DAC			0x0066
186 
187 /* ETS defines*/
188 #define DCBX_INVALID_COS					(0xFF)
189 
190 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
191 #define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
192 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
193 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
194 #define ETS_E3B0_PBF_MIN_W_VAL				(10000)
195 
196 #define MAX_PACKET_SIZE					(9700)
197 #define MAX_KR_LINK_RETRY				4
198 #define DEFAULT_TX_DRV_BRDCT		2
199 #define DEFAULT_TX_DRV_IFIR		0
200 #define DEFAULT_TX_DRV_POST2		3
201 #define DEFAULT_TX_DRV_IPRE_DRIVER	6
202 
203 /**********************************************************/
204 /*                     INTERFACE                          */
205 /**********************************************************/
206 
207 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
208 	bnx2x_cl45_write(_bp, _phy, \
209 		(_phy)->def_md_devad, \
210 		(_bank + (_addr & 0xf)), \
211 		_val)
212 
213 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
214 	bnx2x_cl45_read(_bp, _phy, \
215 		(_phy)->def_md_devad, \
216 		(_bank + (_addr & 0xf)), \
217 		_val)
218 
219 static int bnx2x_check_half_open_conn(struct link_params *params,
220 				      struct link_vars *vars, u8 notify);
221 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
222 				      struct link_params *params);
223 
224 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
225 {
226 	u32 val = REG_RD(bp, reg);
227 
228 	val |= bits;
229 	REG_WR(bp, reg, val);
230 	return val;
231 }
232 
233 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
234 {
235 	u32 val = REG_RD(bp, reg);
236 
237 	val &= ~bits;
238 	REG_WR(bp, reg, val);
239 	return val;
240 }
241 
242 /*
243  * bnx2x_check_lfa - This function checks if link reinitialization is required,
244  *                   or link flap can be avoided.
245  *
246  * @params:	link parameters
247  * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
248  *         condition code.
249  */
250 static int bnx2x_check_lfa(struct link_params *params)
251 {
252 	u32 link_status, cfg_idx, lfa_mask, cfg_size;
253 	u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
254 	u32 saved_val, req_val, eee_status;
255 	struct bnx2x *bp = params->bp;
256 
257 	additional_config =
258 		REG_RD(bp, params->lfa_base +
259 			   offsetof(struct shmem_lfa, additional_config));
260 
261 	/* NOTE: must be first condition checked -
262 	* to verify DCC bit is cleared in any case!
263 	*/
264 	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
265 		DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
266 		REG_WR(bp, params->lfa_base +
267 			   offsetof(struct shmem_lfa, additional_config),
268 		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
269 		return LFA_DCC_LFA_DISABLED;
270 	}
271 
272 	/* Verify that link is up */
273 	link_status = REG_RD(bp, params->shmem_base +
274 			     offsetof(struct shmem_region,
275 				      port_mb[params->port].link_status));
276 	if (!(link_status & LINK_STATUS_LINK_UP))
277 		return LFA_LINK_DOWN;
278 
279 	/* if loaded after BOOT from SAN, don't flap the link in any case and
280 	 * rely on link set by preboot driver
281 	 */
282 	if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
283 		return 0;
284 
285 	/* Verify that loopback mode is not set */
286 	if (params->loopback_mode)
287 		return LFA_LOOPBACK_ENABLED;
288 
289 	/* Verify that MFW supports LFA */
290 	if (!params->lfa_base)
291 		return LFA_MFW_IS_TOO_OLD;
292 
293 	if (params->num_phys == 3) {
294 		cfg_size = 2;
295 		lfa_mask = 0xffffffff;
296 	} else {
297 		cfg_size = 1;
298 		lfa_mask = 0xffff;
299 	}
300 
301 	/* Compare Duplex */
302 	saved_val = REG_RD(bp, params->lfa_base +
303 			   offsetof(struct shmem_lfa, req_duplex));
304 	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
305 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
306 		DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
307 			       (saved_val & lfa_mask), (req_val & lfa_mask));
308 		return LFA_DUPLEX_MISMATCH;
309 	}
310 	/* Compare Flow Control */
311 	saved_val = REG_RD(bp, params->lfa_base +
312 			   offsetof(struct shmem_lfa, req_flow_ctrl));
313 	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
314 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
315 		DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
316 			       (saved_val & lfa_mask), (req_val & lfa_mask));
317 		return LFA_FLOW_CTRL_MISMATCH;
318 	}
319 	/* Compare Link Speed */
320 	saved_val = REG_RD(bp, params->lfa_base +
321 			   offsetof(struct shmem_lfa, req_line_speed));
322 	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
323 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
324 		DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
325 			       (saved_val & lfa_mask), (req_val & lfa_mask));
326 		return LFA_LINK_SPEED_MISMATCH;
327 	}
328 
329 	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
330 		cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
331 					    offsetof(struct shmem_lfa,
332 						     speed_cap_mask[cfg_idx]));
333 
334 		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
335 			DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
336 				       cur_speed_cap_mask,
337 				       params->speed_cap_mask[cfg_idx]);
338 			return LFA_SPEED_CAP_MISMATCH;
339 		}
340 	}
341 
342 	cur_req_fc_auto_adv =
343 		REG_RD(bp, params->lfa_base +
344 		       offsetof(struct shmem_lfa, additional_config)) &
345 		REQ_FC_AUTO_ADV_MASK;
346 
347 	if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
348 		DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
349 			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
350 		return LFA_FLOW_CTRL_MISMATCH;
351 	}
352 
353 	eee_status = REG_RD(bp, params->shmem2_base +
354 			    offsetof(struct shmem2_region,
355 				     eee_status[params->port]));
356 
357 	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
358 	     (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
359 	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
360 	     (params->eee_mode & EEE_MODE_ADV_LPI))) {
361 		DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
362 			       eee_status);
363 		return LFA_EEE_MISMATCH;
364 	}
365 
366 	/* LFA conditions are met */
367 	return 0;
368 }
369 /******************************************************************/
370 /*			EPIO/GPIO section			  */
371 /******************************************************************/
372 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
373 {
374 	u32 epio_mask, gp_oenable;
375 	*en = 0;
376 	/* Sanity check */
377 	if (epio_pin > 31) {
378 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
379 		return;
380 	}
381 
382 	epio_mask = 1 << epio_pin;
383 	/* Set this EPIO to output */
384 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
385 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
386 
387 	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
388 }
389 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
390 {
391 	u32 epio_mask, gp_output, gp_oenable;
392 
393 	/* Sanity check */
394 	if (epio_pin > 31) {
395 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
396 		return;
397 	}
398 	DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
399 	epio_mask = 1 << epio_pin;
400 	/* Set this EPIO to output */
401 	gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
402 	if (en)
403 		gp_output |= epio_mask;
404 	else
405 		gp_output &= ~epio_mask;
406 
407 	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
408 
409 	/* Set the value for this EPIO */
410 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
411 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
412 }
413 
414 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
415 {
416 	if (pin_cfg == PIN_CFG_NA)
417 		return;
418 	if (pin_cfg >= PIN_CFG_EPIO0) {
419 		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
420 	} else {
421 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
422 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
423 		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
424 	}
425 }
426 
427 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
428 {
429 	if (pin_cfg == PIN_CFG_NA)
430 		return -EINVAL;
431 	if (pin_cfg >= PIN_CFG_EPIO0) {
432 		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
433 	} else {
434 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
435 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
436 		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
437 	}
438 	return 0;
439 
440 }
441 /******************************************************************/
442 /*				ETS section			  */
443 /******************************************************************/
444 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
445 {
446 	/* ETS disabled configuration*/
447 	struct bnx2x *bp = params->bp;
448 
449 	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
450 
451 	/* mapping between entry  priority to client number (0,1,2 -debug and
452 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
453 	 * 3bits client num.
454 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
455 	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
456 	 */
457 
458 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
459 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
460 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
461 	 * COS0 entry, 4 - COS1 entry.
462 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
463 	 * bit4   bit3	  bit2   bit1	  bit0
464 	 * MCP and debug are strict
465 	 */
466 
467 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
468 	/* defines which entries (clients) are subjected to WFQ arbitration */
469 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
470 	/* For strict priority entries defines the number of consecutive
471 	 * slots for the highest priority.
472 	 */
473 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
474 	/* mapping between the CREDIT_WEIGHT registers and actual client
475 	 * numbers
476 	 */
477 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
478 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
479 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
480 
481 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
482 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
483 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
484 	/* ETS mode disable */
485 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
486 	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
487 	 * weight for COS0/COS1.
488 	 */
489 	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
490 	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
491 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
492 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
493 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
494 	/* Defines the number of consecutive slots for the strict priority */
495 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
496 }
497 /******************************************************************************
498 * Description:
499 *	Getting min_w_val will be set according to line speed .
500 *.
501 ******************************************************************************/
502 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
503 {
504 	u32 min_w_val = 0;
505 	/* Calculate min_w_val.*/
506 	if (vars->link_up) {
507 		if (vars->line_speed == SPEED_20000)
508 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
509 		else
510 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
511 	} else
512 		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
513 	/* If the link isn't up (static configuration for example ) The
514 	 * link will be according to 20GBPS.
515 	 */
516 	return min_w_val;
517 }
518 /******************************************************************************
519 * Description:
520 *	Getting credit upper bound form min_w_val.
521 *.
522 ******************************************************************************/
523 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
524 {
525 	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
526 						MAX_PACKET_SIZE);
527 	return credit_upper_bound;
528 }
529 /******************************************************************************
530 * Description:
531 *	Set credit upper bound for NIG.
532 *.
533 ******************************************************************************/
534 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
535 	const struct link_params *params,
536 	const u32 min_w_val)
537 {
538 	struct bnx2x *bp = params->bp;
539 	const u8 port = params->port;
540 	const u32 credit_upper_bound =
541 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
542 
543 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
544 		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
545 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
546 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
547 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
548 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
549 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
550 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
551 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
552 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
553 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
554 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
555 
556 	if (!port) {
557 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
558 			credit_upper_bound);
559 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
560 			credit_upper_bound);
561 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
562 			credit_upper_bound);
563 	}
564 }
565 /******************************************************************************
566 * Description:
567 *	Will return the NIG ETS registers to init values.Except
568 *	credit_upper_bound.
569 *	That isn't used in this configuration (No WFQ is enabled) and will be
570 *	configured according to spec
571 *.
572 ******************************************************************************/
573 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
574 					const struct link_vars *vars)
575 {
576 	struct bnx2x *bp = params->bp;
577 	const u8 port = params->port;
578 	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
579 	/* Mapping between entry  priority to client number (0,1,2 -debug and
580 	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
581 	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
582 	 * reset value or init tool
583 	 */
584 	if (port) {
585 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
586 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
587 	} else {
588 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
589 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
590 	}
591 	/* For strict priority entries defines the number of consecutive
592 	 * slots for the highest priority.
593 	 */
594 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
595 		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
596 	/* Mapping between the CREDIT_WEIGHT registers and actual client
597 	 * numbers
598 	 */
599 	if (port) {
600 		/*Port 1 has 6 COS*/
601 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
602 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
603 	} else {
604 		/*Port 0 has 9 COS*/
605 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
606 		       0x43210876);
607 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
608 	}
609 
610 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
611 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
612 	 * COS0 entry, 4 - COS1 entry.
613 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
614 	 * bit4   bit3	  bit2   bit1	  bit0
615 	 * MCP and debug are strict
616 	 */
617 	if (port)
618 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
619 	else
620 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
621 	/* defines which entries (clients) are subjected to WFQ arbitration */
622 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
623 		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
624 
625 	/* Please notice the register address are note continuous and a
626 	 * for here is note appropriate.In 2 port mode port0 only COS0-5
627 	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
628 	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
629 	 * are never used for WFQ
630 	 */
631 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
632 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
633 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
634 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
635 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
636 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
637 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
638 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
639 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
640 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
641 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
642 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
643 	if (!port) {
644 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
645 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
646 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
647 	}
648 
649 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
650 }
651 /******************************************************************************
652 * Description:
653 *	Set credit upper bound for PBF.
654 *.
655 ******************************************************************************/
656 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
657 	const struct link_params *params,
658 	const u32 min_w_val)
659 {
660 	struct bnx2x *bp = params->bp;
661 	const u32 credit_upper_bound =
662 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
663 	const u8 port = params->port;
664 	u32 base_upper_bound = 0;
665 	u8 max_cos = 0;
666 	u8 i = 0;
667 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
668 	 * port mode port1 has COS0-2 that can be used for WFQ.
669 	 */
670 	if (!port) {
671 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
672 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
673 	} else {
674 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
675 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
676 	}
677 
678 	for (i = 0; i < max_cos; i++)
679 		REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
680 }
681 
682 /******************************************************************************
683 * Description:
684 *	Will return the PBF ETS registers to init values.Except
685 *	credit_upper_bound.
686 *	That isn't used in this configuration (No WFQ is enabled) and will be
687 *	configured according to spec
688 *.
689 ******************************************************************************/
690 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
691 {
692 	struct bnx2x *bp = params->bp;
693 	const u8 port = params->port;
694 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
695 	u8 i = 0;
696 	u32 base_weight = 0;
697 	u8 max_cos = 0;
698 
699 	/* Mapping between entry  priority to client number 0 - COS0
700 	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
701 	 * TODO_ETS - Should be done by reset value or init tool
702 	 */
703 	if (port)
704 		/*  0x688 (|011|0 10|00 1|000) */
705 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
706 	else
707 		/*  (10 1|100 |011|0 10|00 1|000) */
708 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
709 
710 	/* TODO_ETS - Should be done by reset value or init tool */
711 	if (port)
712 		/* 0x688 (|011|0 10|00 1|000)*/
713 		REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
714 	else
715 	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
716 	REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
717 
718 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
719 		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
720 
721 
722 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
723 		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
724 
725 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
726 		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
727 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
728 	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
729 	 */
730 	if (!port) {
731 		base_weight = PBF_REG_COS0_WEIGHT_P0;
732 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
733 	} else {
734 		base_weight = PBF_REG_COS0_WEIGHT_P1;
735 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
736 	}
737 
738 	for (i = 0; i < max_cos; i++)
739 		REG_WR(bp, base_weight + (0x4 * i), 0);
740 
741 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
742 }
743 /******************************************************************************
744 * Description:
745 *	E3B0 disable will return basically the values to init values.
746 *.
747 ******************************************************************************/
748 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
749 				   const struct link_vars *vars)
750 {
751 	struct bnx2x *bp = params->bp;
752 
753 	if (!CHIP_IS_E3B0(bp)) {
754 		DP(NETIF_MSG_LINK,
755 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
756 		return -EINVAL;
757 	}
758 
759 	bnx2x_ets_e3b0_nig_disabled(params, vars);
760 
761 	bnx2x_ets_e3b0_pbf_disabled(params);
762 
763 	return 0;
764 }
765 
766 /******************************************************************************
767 * Description:
768 *	Disable will return basically the values to init values.
769 *
770 ******************************************************************************/
771 int bnx2x_ets_disabled(struct link_params *params,
772 		      struct link_vars *vars)
773 {
774 	struct bnx2x *bp = params->bp;
775 	int bnx2x_status = 0;
776 
777 	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
778 		bnx2x_ets_e2e3a0_disabled(params);
779 	else if (CHIP_IS_E3B0(bp))
780 		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
781 	else {
782 		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
783 		return -EINVAL;
784 	}
785 
786 	return bnx2x_status;
787 }
788 
789 /******************************************************************************
790 * Description
791 *	Set the COS mappimg to SP and BW until this point all the COS are not
792 *	set as SP or BW.
793 ******************************************************************************/
794 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
795 				  const struct bnx2x_ets_params *ets_params,
796 				  const u8 cos_sp_bitmap,
797 				  const u8 cos_bw_bitmap)
798 {
799 	struct bnx2x *bp = params->bp;
800 	const u8 port = params->port;
801 	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
802 	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
803 	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
804 	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
805 
806 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
807 	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
808 
809 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
810 	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
811 
812 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
813 	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
814 	       nig_cli_subject2wfq_bitmap);
815 
816 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
817 	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
818 	       pbf_cli_subject2wfq_bitmap);
819 
820 	return 0;
821 }
822 
823 /******************************************************************************
824 * Description:
825 *	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
826 *	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
827 ******************************************************************************/
828 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
829 				     const u8 cos_entry,
830 				     const u32 min_w_val_nig,
831 				     const u32 min_w_val_pbf,
832 				     const u16 total_bw,
833 				     const u8 bw,
834 				     const u8 port)
835 {
836 	u32 nig_reg_adress_crd_weight = 0;
837 	u32 pbf_reg_adress_crd_weight = 0;
838 	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
839 	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
840 	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
841 
842 	switch (cos_entry) {
843 	case 0:
844 	    nig_reg_adress_crd_weight =
845 		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
846 		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
847 	     pbf_reg_adress_crd_weight = (port) ?
848 		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
849 	     break;
850 	case 1:
851 	     nig_reg_adress_crd_weight = (port) ?
852 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
853 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
854 	     pbf_reg_adress_crd_weight = (port) ?
855 		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
856 	     break;
857 	case 2:
858 	     nig_reg_adress_crd_weight = (port) ?
859 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
860 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
861 
862 		 pbf_reg_adress_crd_weight = (port) ?
863 		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
864 	     break;
865 	case 3:
866 	    if (port)
867 			return -EINVAL;
868 	     nig_reg_adress_crd_weight =
869 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
870 	     pbf_reg_adress_crd_weight =
871 		 PBF_REG_COS3_WEIGHT_P0;
872 	     break;
873 	case 4:
874 	    if (port)
875 		return -EINVAL;
876 	     nig_reg_adress_crd_weight =
877 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
878 	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
879 	     break;
880 	case 5:
881 	    if (port)
882 		return -EINVAL;
883 	     nig_reg_adress_crd_weight =
884 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
885 	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
886 	     break;
887 	}
888 
889 	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
890 
891 	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
892 
893 	return 0;
894 }
895 /******************************************************************************
896 * Description:
897 *	Calculate the total BW.A value of 0 isn't legal.
898 *
899 ******************************************************************************/
900 static int bnx2x_ets_e3b0_get_total_bw(
901 	const struct link_params *params,
902 	struct bnx2x_ets_params *ets_params,
903 	u16 *total_bw)
904 {
905 	struct bnx2x *bp = params->bp;
906 	u8 cos_idx = 0;
907 	u8 is_bw_cos_exist = 0;
908 
909 	*total_bw = 0 ;
910 	/* Calculate total BW requested */
911 	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
912 		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
913 			is_bw_cos_exist = 1;
914 			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
915 				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
916 						   "was set to 0\n");
917 				/* This is to prevent a state when ramrods
918 				 * can't be sent
919 				 */
920 				ets_params->cos[cos_idx].params.bw_params.bw
921 					 = 1;
922 			}
923 			*total_bw +=
924 				ets_params->cos[cos_idx].params.bw_params.bw;
925 		}
926 	}
927 
928 	/* Check total BW is valid */
929 	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
930 		if (*total_bw == 0) {
931 			DP(NETIF_MSG_LINK,
932 			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
933 			return -EINVAL;
934 		}
935 		DP(NETIF_MSG_LINK,
936 		   "bnx2x_ets_E3B0_config total BW should be 100\n");
937 		/* We can handle a case whre the BW isn't 100 this can happen
938 		 * if the TC are joined.
939 		 */
940 	}
941 	return 0;
942 }
943 
944 /******************************************************************************
945 * Description:
946 *	Invalidate all the sp_pri_to_cos.
947 *
948 ******************************************************************************/
949 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
950 {
951 	u8 pri = 0;
952 	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
953 		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
954 }
955 /******************************************************************************
956 * Description:
957 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
958 *	according to sp_pri_to_cos.
959 *
960 ******************************************************************************/
961 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
962 					    u8 *sp_pri_to_cos, const u8 pri,
963 					    const u8 cos_entry)
964 {
965 	struct bnx2x *bp = params->bp;
966 	const u8 port = params->port;
967 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
968 		DCBX_E3B0_MAX_NUM_COS_PORT0;
969 
970 	if (pri >= max_num_of_cos) {
971 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
972 		   "parameter Illegal strict priority\n");
973 	    return -EINVAL;
974 	}
975 
976 	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
977 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
978 				   "parameter There can't be two COS's with "
979 				   "the same strict pri\n");
980 		return -EINVAL;
981 	}
982 
983 	sp_pri_to_cos[pri] = cos_entry;
984 	return 0;
985 
986 }
987 
988 /******************************************************************************
989 * Description:
990 *	Returns the correct value according to COS and priority in
991 *	the sp_pri_cli register.
992 *
993 ******************************************************************************/
994 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
995 					 const u8 pri_set,
996 					 const u8 pri_offset,
997 					 const u8 entry_size)
998 {
999 	u64 pri_cli_nig = 0;
1000 	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
1001 						    (pri_set + pri_offset));
1002 
1003 	return pri_cli_nig;
1004 }
1005 /******************************************************************************
1006 * Description:
1007 *	Returns the correct value according to COS and priority in the
1008 *	sp_pri_cli register for NIG.
1009 *
1010 ******************************************************************************/
1011 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1012 {
1013 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1014 	const u8 nig_cos_offset = 3;
1015 	const u8 nig_pri_offset = 3;
1016 
1017 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1018 		nig_pri_offset, 4);
1019 
1020 }
1021 /******************************************************************************
1022 * Description:
1023 *	Returns the correct value according to COS and priority in the
1024 *	sp_pri_cli register for PBF.
1025 *
1026 ******************************************************************************/
1027 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1028 {
1029 	const u8 pbf_cos_offset = 0;
1030 	const u8 pbf_pri_offset = 0;
1031 
1032 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1033 		pbf_pri_offset, 3);
1034 
1035 }
1036 
1037 /******************************************************************************
1038 * Description:
1039 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1040 *	according to sp_pri_to_cos.(which COS has higher priority)
1041 *
1042 ******************************************************************************/
1043 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1044 					     u8 *sp_pri_to_cos)
1045 {
1046 	struct bnx2x *bp = params->bp;
1047 	u8 i = 0;
1048 	const u8 port = params->port;
1049 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1050 	u64 pri_cli_nig = 0x210;
1051 	u32 pri_cli_pbf = 0x0;
1052 	u8 pri_set = 0;
1053 	u8 pri_bitmask = 0;
1054 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1055 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1056 
1057 	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1058 
1059 	/* Set all the strict priority first */
1060 	for (i = 0; i < max_num_of_cos; i++) {
1061 		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1062 			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1063 				DP(NETIF_MSG_LINK,
1064 					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1065 					   "invalid cos entry\n");
1066 				return -EINVAL;
1067 			}
1068 
1069 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1070 			    sp_pri_to_cos[i], pri_set);
1071 
1072 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1073 			    sp_pri_to_cos[i], pri_set);
1074 			pri_bitmask = 1 << sp_pri_to_cos[i];
1075 			/* COS is used remove it from bitmap.*/
1076 			if (!(pri_bitmask & cos_bit_to_set)) {
1077 				DP(NETIF_MSG_LINK,
1078 					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1079 					"invalid There can't be two COS's with"
1080 					" the same strict pri\n");
1081 				return -EINVAL;
1082 			}
1083 			cos_bit_to_set &= ~pri_bitmask;
1084 			pri_set++;
1085 		}
1086 	}
1087 
1088 	/* Set all the Non strict priority i= COS*/
1089 	for (i = 0; i < max_num_of_cos; i++) {
1090 		pri_bitmask = 1 << i;
1091 		/* Check if COS was already used for SP */
1092 		if (pri_bitmask & cos_bit_to_set) {
1093 			/* COS wasn't used for SP */
1094 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1095 			    i, pri_set);
1096 
1097 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1098 			    i, pri_set);
1099 			/* COS is used remove it from bitmap.*/
1100 			cos_bit_to_set &= ~pri_bitmask;
1101 			pri_set++;
1102 		}
1103 	}
1104 
1105 	if (pri_set != max_num_of_cos) {
1106 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1107 				   "entries were set\n");
1108 		return -EINVAL;
1109 	}
1110 
1111 	if (port) {
1112 		/* Only 6 usable clients*/
1113 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1114 		       (u32)pri_cli_nig);
1115 
1116 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1117 	} else {
1118 		/* Only 9 usable clients*/
1119 		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1120 		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1121 
1122 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1123 		       pri_cli_nig_lsb);
1124 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1125 		       pri_cli_nig_msb);
1126 
1127 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1128 	}
1129 	return 0;
1130 }
1131 
1132 /******************************************************************************
1133 * Description:
1134 *	Configure the COS to ETS according to BW and SP settings.
1135 ******************************************************************************/
1136 int bnx2x_ets_e3b0_config(const struct link_params *params,
1137 			 const struct link_vars *vars,
1138 			 struct bnx2x_ets_params *ets_params)
1139 {
1140 	struct bnx2x *bp = params->bp;
1141 	int bnx2x_status = 0;
1142 	const u8 port = params->port;
1143 	u16 total_bw = 0;
1144 	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1145 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1146 	u8 cos_bw_bitmap = 0;
1147 	u8 cos_sp_bitmap = 0;
1148 	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1149 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1150 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1151 	u8 cos_entry = 0;
1152 
1153 	if (!CHIP_IS_E3B0(bp)) {
1154 		DP(NETIF_MSG_LINK,
1155 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1156 		return -EINVAL;
1157 	}
1158 
1159 	if ((ets_params->num_of_cos > max_num_of_cos)) {
1160 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1161 				   "isn't supported\n");
1162 		return -EINVAL;
1163 	}
1164 
1165 	/* Prepare sp strict priority parameters*/
1166 	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1167 
1168 	/* Prepare BW parameters*/
1169 	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1170 						   &total_bw);
1171 	if (bnx2x_status) {
1172 		DP(NETIF_MSG_LINK,
1173 		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
1174 		return -EINVAL;
1175 	}
1176 
1177 	/* Upper bound is set according to current link speed (min_w_val
1178 	 * should be the same for upper bound and COS credit val).
1179 	 */
1180 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1181 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1182 
1183 
1184 	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1185 		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1186 			cos_bw_bitmap |= (1 << cos_entry);
1187 			/* The function also sets the BW in HW(not the mappin
1188 			 * yet)
1189 			 */
1190 			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1191 				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1192 				total_bw,
1193 				ets_params->cos[cos_entry].params.bw_params.bw,
1194 				 port);
1195 		} else if (bnx2x_cos_state_strict ==
1196 			ets_params->cos[cos_entry].state){
1197 			cos_sp_bitmap |= (1 << cos_entry);
1198 
1199 			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1200 				params,
1201 				sp_pri_to_cos,
1202 				ets_params->cos[cos_entry].params.sp_params.pri,
1203 				cos_entry);
1204 
1205 		} else {
1206 			DP(NETIF_MSG_LINK,
1207 			   "bnx2x_ets_e3b0_config cos state not valid\n");
1208 			return -EINVAL;
1209 		}
1210 		if (bnx2x_status) {
1211 			DP(NETIF_MSG_LINK,
1212 			   "bnx2x_ets_e3b0_config set cos bw failed\n");
1213 			return bnx2x_status;
1214 		}
1215 	}
1216 
1217 	/* Set SP register (which COS has higher priority) */
1218 	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1219 							 sp_pri_to_cos);
1220 
1221 	if (bnx2x_status) {
1222 		DP(NETIF_MSG_LINK,
1223 		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1224 		return bnx2x_status;
1225 	}
1226 
1227 	/* Set client mapping of BW and strict */
1228 	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1229 					      cos_sp_bitmap,
1230 					      cos_bw_bitmap);
1231 
1232 	if (bnx2x_status) {
1233 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1234 		return bnx2x_status;
1235 	}
1236 	return 0;
1237 }
1238 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1239 {
1240 	/* ETS disabled configuration */
1241 	struct bnx2x *bp = params->bp;
1242 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1243 	/* Defines which entries (clients) are subjected to WFQ arbitration
1244 	 * COS0 0x8
1245 	 * COS1 0x10
1246 	 */
1247 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1248 	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1249 	 * client numbers (WEIGHT_0 does not actually have to represent
1250 	 * client 0)
1251 	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1252 	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1253 	 */
1254 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1255 
1256 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1257 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1258 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1259 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1260 
1261 	/* ETS mode enabled*/
1262 	REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1263 
1264 	/* Defines the number of consecutive slots for the strict priority */
1265 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1266 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1267 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1268 	 * entry, 4 - COS1 entry.
1269 	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1270 	 * bit4   bit3	  bit2     bit1	   bit0
1271 	 * MCP and debug are strict
1272 	 */
1273 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1274 
1275 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1276 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1277 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1278 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1279 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1280 }
1281 
1282 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1283 			const u32 cos1_bw)
1284 {
1285 	/* ETS disabled configuration*/
1286 	struct bnx2x *bp = params->bp;
1287 	const u32 total_bw = cos0_bw + cos1_bw;
1288 	u32 cos0_credit_weight = 0;
1289 	u32 cos1_credit_weight = 0;
1290 
1291 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1292 
1293 	if ((!total_bw) ||
1294 	    (!cos0_bw) ||
1295 	    (!cos1_bw)) {
1296 		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1297 		return;
1298 	}
1299 
1300 	cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1301 		total_bw;
1302 	cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1303 		total_bw;
1304 
1305 	bnx2x_ets_bw_limit_common(params);
1306 
1307 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1308 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1309 
1310 	REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1311 	REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1312 }
1313 
1314 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1315 {
1316 	/* ETS disabled configuration*/
1317 	struct bnx2x *bp = params->bp;
1318 	u32 val	= 0;
1319 
1320 	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1321 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1322 	 * as strict.  Bits 0,1,2 - debug and management entries,
1323 	 * 3 - COS0 entry, 4 - COS1 entry.
1324 	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1325 	 *  bit4   bit3	  bit2      bit1     bit0
1326 	 * MCP and debug are strict
1327 	 */
1328 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1329 	/* For strict priority entries defines the number of consecutive slots
1330 	 * for the highest priority.
1331 	 */
1332 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1333 	/* ETS mode disable */
1334 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1335 	/* Defines the number of consecutive slots for the strict priority */
1336 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1337 
1338 	/* Defines the number of consecutive slots for the strict priority */
1339 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1340 
1341 	/* Mapping between entry  priority to client number (0,1,2 -debug and
1342 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1343 	 * 3bits client num.
1344 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1345 	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1346 	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1347 	 */
1348 	val = (!strict_cos) ? 0x2318 : 0x22E0;
1349 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1350 
1351 	return 0;
1352 }
1353 
1354 /******************************************************************/
1355 /*			PFC section				  */
1356 /******************************************************************/
1357 static void bnx2x_update_pfc_xmac(struct link_params *params,
1358 				  struct link_vars *vars,
1359 				  u8 is_lb)
1360 {
1361 	struct bnx2x *bp = params->bp;
1362 	u32 xmac_base;
1363 	u32 pause_val, pfc0_val, pfc1_val;
1364 
1365 	/* XMAC base adrr */
1366 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1367 
1368 	/* Initialize pause and pfc registers */
1369 	pause_val = 0x18000;
1370 	pfc0_val = 0xFFFF8000;
1371 	pfc1_val = 0x2;
1372 
1373 	/* No PFC support */
1374 	if (!(params->feature_config_flags &
1375 	      FEATURE_CONFIG_PFC_ENABLED)) {
1376 
1377 		/* RX flow control - Process pause frame in receive direction
1378 		 */
1379 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1380 			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1381 
1382 		/* TX flow control - Send pause packet when buffer is full */
1383 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1384 			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1385 	} else {/* PFC support */
1386 		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1387 			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1388 			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1389 			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1390 			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1391 		/* Write pause and PFC registers */
1392 		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1393 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1394 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1395 		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1396 
1397 	}
1398 
1399 	/* Write pause and PFC registers */
1400 	REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1401 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1402 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1403 
1404 
1405 	/* Set MAC address for source TX Pause/PFC frames */
1406 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1407 	       ((params->mac_addr[2] << 24) |
1408 		(params->mac_addr[3] << 16) |
1409 		(params->mac_addr[4] << 8) |
1410 		(params->mac_addr[5])));
1411 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1412 	       ((params->mac_addr[0] << 8) |
1413 		(params->mac_addr[1])));
1414 
1415 	udelay(30);
1416 }
1417 
1418 /******************************************************************/
1419 /*			MAC/PBF section				  */
1420 /******************************************************************/
1421 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1422 			       u32 emac_base)
1423 {
1424 	u32 new_mode, cur_mode;
1425 	u32 clc_cnt;
1426 	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1427 	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1428 	 */
1429 	cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1430 
1431 	if (USES_WARPCORE(bp))
1432 		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1433 	else
1434 		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1435 
1436 	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1437 	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1438 		return;
1439 
1440 	new_mode = cur_mode &
1441 		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1442 	new_mode |= clc_cnt;
1443 	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1444 
1445 	DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1446 	   cur_mode, new_mode);
1447 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1448 	udelay(40);
1449 }
1450 
1451 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1452 					struct link_params *params)
1453 {
1454 	u8 phy_index;
1455 	/* Set mdio clock per phy */
1456 	for (phy_index = INT_PHY; phy_index < params->num_phys;
1457 	      phy_index++)
1458 		bnx2x_set_mdio_clk(bp, params->chip_id,
1459 				   params->phy[phy_index].mdio_ctrl);
1460 }
1461 
1462 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1463 {
1464 	u32 port4mode_ovwr_val;
1465 	/* Check 4-port override enabled */
1466 	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1467 	if (port4mode_ovwr_val & (1<<0)) {
1468 		/* Return 4-port mode override value */
1469 		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1470 	}
1471 	/* Return 4-port mode from input pin */
1472 	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1473 }
1474 
1475 static void bnx2x_emac_init(struct link_params *params,
1476 			    struct link_vars *vars)
1477 {
1478 	/* reset and unreset the emac core */
1479 	struct bnx2x *bp = params->bp;
1480 	u8 port = params->port;
1481 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1482 	u32 val;
1483 	u16 timeout;
1484 
1485 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1486 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1487 	udelay(5);
1488 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1489 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1490 
1491 	/* init emac - use read-modify-write */
1492 	/* self clear reset */
1493 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1494 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1495 
1496 	timeout = 200;
1497 	do {
1498 		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1499 		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1500 		if (!timeout) {
1501 			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1502 			return;
1503 		}
1504 		timeout--;
1505 	} while (val & EMAC_MODE_RESET);
1506 
1507 	bnx2x_set_mdio_emac_per_phy(bp, params);
1508 	/* Set mac address */
1509 	val = ((params->mac_addr[0] << 8) |
1510 		params->mac_addr[1]);
1511 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1512 
1513 	val = ((params->mac_addr[2] << 24) |
1514 	       (params->mac_addr[3] << 16) |
1515 	       (params->mac_addr[4] << 8) |
1516 		params->mac_addr[5]);
1517 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1518 }
1519 
1520 static void bnx2x_set_xumac_nig(struct link_params *params,
1521 				u16 tx_pause_en,
1522 				u8 enable)
1523 {
1524 	struct bnx2x *bp = params->bp;
1525 
1526 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1527 	       enable);
1528 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1529 	       enable);
1530 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1531 	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1532 }
1533 
1534 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1535 {
1536 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1537 	u32 val;
1538 	struct bnx2x *bp = params->bp;
1539 	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1540 		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1541 		return;
1542 	val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1543 	if (en)
1544 		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1545 			UMAC_COMMAND_CONFIG_REG_RX_ENA);
1546 	else
1547 		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1548 			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1549 	/* Disable RX and TX */
1550 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1551 }
1552 
1553 static void bnx2x_umac_enable(struct link_params *params,
1554 			    struct link_vars *vars, u8 lb)
1555 {
1556 	u32 val;
1557 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1558 	struct bnx2x *bp = params->bp;
1559 	/* Reset UMAC */
1560 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1561 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1562 	usleep_range(1000, 2000);
1563 
1564 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1565 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1566 
1567 	DP(NETIF_MSG_LINK, "enabling UMAC\n");
1568 
1569 	/* This register opens the gate for the UMAC despite its name */
1570 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1571 
1572 	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1573 		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1574 		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1575 		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1576 	switch (vars->line_speed) {
1577 	case SPEED_10:
1578 		val |= (0<<2);
1579 		break;
1580 	case SPEED_100:
1581 		val |= (1<<2);
1582 		break;
1583 	case SPEED_1000:
1584 		val |= (2<<2);
1585 		break;
1586 	case SPEED_2500:
1587 		val |= (3<<2);
1588 		break;
1589 	default:
1590 		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1591 			       vars->line_speed);
1592 		break;
1593 	}
1594 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1595 		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1596 
1597 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1598 		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1599 
1600 	if (vars->duplex == DUPLEX_HALF)
1601 		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1602 
1603 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1604 	udelay(50);
1605 
1606 	/* Configure UMAC for EEE */
1607 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1608 		DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1609 		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1610 		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1611 		REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1612 	} else {
1613 		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1614 	}
1615 
1616 	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1617 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1618 	       ((params->mac_addr[2] << 24) |
1619 		(params->mac_addr[3] << 16) |
1620 		(params->mac_addr[4] << 8) |
1621 		(params->mac_addr[5])));
1622 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1623 	       ((params->mac_addr[0] << 8) |
1624 		(params->mac_addr[1])));
1625 
1626 	/* Enable RX and TX */
1627 	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1628 	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1629 		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1630 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1631 	udelay(50);
1632 
1633 	/* Remove SW Reset */
1634 	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1635 
1636 	/* Check loopback mode */
1637 	if (lb)
1638 		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1639 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1640 
1641 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1642 	 * length used by the MAC receive logic to check frames.
1643 	 */
1644 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1645 	bnx2x_set_xumac_nig(params,
1646 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1647 	vars->mac_type = MAC_TYPE_UMAC;
1648 
1649 }
1650 
1651 /* Define the XMAC mode */
1652 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1653 {
1654 	struct bnx2x *bp = params->bp;
1655 	u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1656 
1657 	/* In 4-port mode, need to set the mode only once, so if XMAC is
1658 	 * already out of reset, it means the mode has already been set,
1659 	 * and it must not* reset the XMAC again, since it controls both
1660 	 * ports of the path
1661 	 */
1662 
1663 	if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1664 	     (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1665 	     (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1666 	    is_port4mode &&
1667 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1668 	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1669 		DP(NETIF_MSG_LINK,
1670 		   "XMAC already out of reset in 4-port mode\n");
1671 		return;
1672 	}
1673 
1674 	/* Hard reset */
1675 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1676 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1677 	usleep_range(1000, 2000);
1678 
1679 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1680 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1681 	if (is_port4mode) {
1682 		DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1683 
1684 		/* Set the number of ports on the system side to up to 2 */
1685 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1686 
1687 		/* Set the number of ports on the Warp Core to 10G */
1688 		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1689 	} else {
1690 		/* Set the number of ports on the system side to 1 */
1691 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1692 		if (max_speed == SPEED_10000) {
1693 			DP(NETIF_MSG_LINK,
1694 			   "Init XMAC to 10G x 1 port per path\n");
1695 			/* Set the number of ports on the Warp Core to 10G */
1696 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1697 		} else {
1698 			DP(NETIF_MSG_LINK,
1699 			   "Init XMAC to 20G x 2 ports per path\n");
1700 			/* Set the number of ports on the Warp Core to 20G */
1701 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1702 		}
1703 	}
1704 	/* Soft reset */
1705 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1706 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1707 	usleep_range(1000, 2000);
1708 
1709 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1710 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1711 
1712 }
1713 
1714 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1715 {
1716 	u8 port = params->port;
1717 	struct bnx2x *bp = params->bp;
1718 	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1719 	u32 val;
1720 
1721 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1722 	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1723 		/* Send an indication to change the state in the NIG back to XON
1724 		 * Clearing this bit enables the next set of this bit to get
1725 		 * rising edge
1726 		 */
1727 		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1728 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1729 		       (pfc_ctrl & ~(1<<1)));
1730 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1731 		       (pfc_ctrl | (1<<1)));
1732 		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1733 		val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1734 		if (en)
1735 			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1736 		else
1737 			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1738 		REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1739 	}
1740 }
1741 
1742 static int bnx2x_xmac_enable(struct link_params *params,
1743 			     struct link_vars *vars, u8 lb)
1744 {
1745 	u32 val, xmac_base;
1746 	struct bnx2x *bp = params->bp;
1747 	DP(NETIF_MSG_LINK, "enabling XMAC\n");
1748 
1749 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1750 
1751 	bnx2x_xmac_init(params, vars->line_speed);
1752 
1753 	/* This register determines on which events the MAC will assert
1754 	 * error on the i/f to the NIG along w/ EOP.
1755 	 */
1756 
1757 	/* This register tells the NIG whether to send traffic to UMAC
1758 	 * or XMAC
1759 	 */
1760 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1761 
1762 	/* When XMAC is in XLGMII mode, disable sending idles for fault
1763 	 * detection.
1764 	 */
1765 	if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1766 		REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1767 		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1768 			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1769 		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1770 		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1771 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1772 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1773 	}
1774 	/* Set Max packet size */
1775 	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1776 
1777 	/* CRC append for Tx packets */
1778 	REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1779 
1780 	/* update PFC */
1781 	bnx2x_update_pfc_xmac(params, vars, 0);
1782 
1783 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1784 		DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1785 		REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1786 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1787 	} else {
1788 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1789 	}
1790 
1791 	/* Enable TX and RX */
1792 	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1793 
1794 	/* Set MAC in XLGMII mode for dual-mode */
1795 	if ((vars->line_speed == SPEED_20000) &&
1796 	    (params->phy[INT_PHY].supported &
1797 	     SUPPORTED_20000baseKR2_Full))
1798 		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1799 
1800 	/* Check loopback mode */
1801 	if (lb)
1802 		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1803 	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1804 	bnx2x_set_xumac_nig(params,
1805 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1806 
1807 	vars->mac_type = MAC_TYPE_XMAC;
1808 
1809 	return 0;
1810 }
1811 
1812 static int bnx2x_emac_enable(struct link_params *params,
1813 			     struct link_vars *vars, u8 lb)
1814 {
1815 	struct bnx2x *bp = params->bp;
1816 	u8 port = params->port;
1817 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1818 	u32 val;
1819 
1820 	DP(NETIF_MSG_LINK, "enabling EMAC\n");
1821 
1822 	/* Disable BMAC */
1823 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1824 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1825 
1826 	/* enable emac and not bmac */
1827 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1828 
1829 	/* ASIC */
1830 	if (vars->phy_flags & PHY_XGXS_FLAG) {
1831 		u32 ser_lane = ((params->lane_config &
1832 				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1833 				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1834 
1835 		DP(NETIF_MSG_LINK, "XGXS\n");
1836 		/* select the master lanes (out of 0-3) */
1837 		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1838 		/* select XGXS */
1839 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1840 
1841 	} else { /* SerDes */
1842 		DP(NETIF_MSG_LINK, "SerDes\n");
1843 		/* select SerDes */
1844 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1845 	}
1846 
1847 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1848 		      EMAC_RX_MODE_RESET);
1849 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1850 		      EMAC_TX_MODE_RESET);
1851 
1852 		/* pause enable/disable */
1853 		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1854 			       EMAC_RX_MODE_FLOW_EN);
1855 
1856 		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1857 			       (EMAC_TX_MODE_EXT_PAUSE_EN |
1858 				EMAC_TX_MODE_FLOW_EN));
1859 		if (!(params->feature_config_flags &
1860 		      FEATURE_CONFIG_PFC_ENABLED)) {
1861 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1862 				bnx2x_bits_en(bp, emac_base +
1863 					      EMAC_REG_EMAC_RX_MODE,
1864 					      EMAC_RX_MODE_FLOW_EN);
1865 
1866 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1867 				bnx2x_bits_en(bp, emac_base +
1868 					      EMAC_REG_EMAC_TX_MODE,
1869 					      (EMAC_TX_MODE_EXT_PAUSE_EN |
1870 					       EMAC_TX_MODE_FLOW_EN));
1871 		} else
1872 			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1873 				      EMAC_TX_MODE_FLOW_EN);
1874 
1875 	/* KEEP_VLAN_TAG, promiscuous */
1876 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1877 	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1878 
1879 	/* Setting this bit causes MAC control frames (except for pause
1880 	 * frames) to be passed on for processing. This setting has no
1881 	 * affect on the operation of the pause frames. This bit effects
1882 	 * all packets regardless of RX Parser packet sorting logic.
1883 	 * Turn the PFC off to make sure we are in Xon state before
1884 	 * enabling it.
1885 	 */
1886 	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1887 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1888 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1889 		/* Enable PFC again */
1890 		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1891 			EMAC_REG_RX_PFC_MODE_RX_EN |
1892 			EMAC_REG_RX_PFC_MODE_TX_EN |
1893 			EMAC_REG_RX_PFC_MODE_PRIORITIES);
1894 
1895 		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1896 			((0x0101 <<
1897 			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1898 			 (0x00ff <<
1899 			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1900 		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1901 	}
1902 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1903 
1904 	/* Set Loopback */
1905 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1906 	if (lb)
1907 		val |= 0x810;
1908 	else
1909 		val &= ~0x810;
1910 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1911 
1912 	/* Enable emac */
1913 	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1914 
1915 	/* Enable emac for jumbo packets */
1916 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1917 		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
1918 		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1919 
1920 	/* Strip CRC */
1921 	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1922 
1923 	/* Disable the NIG in/out to the bmac */
1924 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1925 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1926 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1927 
1928 	/* Enable the NIG in/out to the emac */
1929 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1930 	val = 0;
1931 	if ((params->feature_config_flags &
1932 	      FEATURE_CONFIG_PFC_ENABLED) ||
1933 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1934 		val = 1;
1935 
1936 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1937 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1938 
1939 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1940 
1941 	vars->mac_type = MAC_TYPE_EMAC;
1942 	return 0;
1943 }
1944 
1945 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1946 				   struct link_vars *vars)
1947 {
1948 	u32 wb_data[2];
1949 	struct bnx2x *bp = params->bp;
1950 	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1951 		NIG_REG_INGRESS_BMAC0_MEM;
1952 
1953 	u32 val = 0x14;
1954 	if ((!(params->feature_config_flags &
1955 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1956 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1957 		/* Enable BigMAC to react on received Pause packets */
1958 		val |= (1<<5);
1959 	wb_data[0] = val;
1960 	wb_data[1] = 0;
1961 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1962 
1963 	/* TX control */
1964 	val = 0xc0;
1965 	if (!(params->feature_config_flags &
1966 	      FEATURE_CONFIG_PFC_ENABLED) &&
1967 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1968 		val |= 0x800000;
1969 	wb_data[0] = val;
1970 	wb_data[1] = 0;
1971 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1972 }
1973 
1974 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1975 				   struct link_vars *vars,
1976 				   u8 is_lb)
1977 {
1978 	/* Set rx control: Strip CRC and enable BigMAC to relay
1979 	 * control packets to the system as well
1980 	 */
1981 	u32 wb_data[2];
1982 	struct bnx2x *bp = params->bp;
1983 	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1984 		NIG_REG_INGRESS_BMAC0_MEM;
1985 	u32 val = 0x14;
1986 
1987 	if ((!(params->feature_config_flags &
1988 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1989 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1990 		/* Enable BigMAC to react on received Pause packets */
1991 		val |= (1<<5);
1992 	wb_data[0] = val;
1993 	wb_data[1] = 0;
1994 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1995 	udelay(30);
1996 
1997 	/* Tx control */
1998 	val = 0xc0;
1999 	if (!(params->feature_config_flags &
2000 				FEATURE_CONFIG_PFC_ENABLED) &&
2001 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2002 		val |= 0x800000;
2003 	wb_data[0] = val;
2004 	wb_data[1] = 0;
2005 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2006 
2007 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2008 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
2009 		/* Enable PFC RX & TX & STATS and set 8 COS  */
2010 		wb_data[0] = 0x0;
2011 		wb_data[0] |= (1<<0);  /* RX */
2012 		wb_data[0] |= (1<<1);  /* TX */
2013 		wb_data[0] |= (1<<2);  /* Force initial Xon */
2014 		wb_data[0] |= (1<<3);  /* 8 cos */
2015 		wb_data[0] |= (1<<5);  /* STATS */
2016 		wb_data[1] = 0;
2017 		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2018 			    wb_data, 2);
2019 		/* Clear the force Xon */
2020 		wb_data[0] &= ~(1<<2);
2021 	} else {
2022 		DP(NETIF_MSG_LINK, "PFC is disabled\n");
2023 		/* Disable PFC RX & TX & STATS and set 8 COS */
2024 		wb_data[0] = 0x8;
2025 		wb_data[1] = 0;
2026 	}
2027 
2028 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2029 
2030 	/* Set Time (based unit is 512 bit time) between automatic
2031 	 * re-sending of PP packets amd enable automatic re-send of
2032 	 * Per-Priroity Packet as long as pp_gen is asserted and
2033 	 * pp_disable is low.
2034 	 */
2035 	val = 0x8000;
2036 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2037 		val |= (1<<16); /* enable automatic re-send */
2038 
2039 	wb_data[0] = val;
2040 	wb_data[1] = 0;
2041 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2042 		    wb_data, 2);
2043 
2044 	/* mac control */
2045 	val = 0x3; /* Enable RX and TX */
2046 	if (is_lb) {
2047 		val |= 0x4; /* Local loopback */
2048 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2049 	}
2050 	/* When PFC enabled, Pass pause frames towards the NIG. */
2051 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2052 		val |= ((1<<6)|(1<<5));
2053 
2054 	wb_data[0] = val;
2055 	wb_data[1] = 0;
2056 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2057 }
2058 
2059 /******************************************************************************
2060 * Description:
2061 *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2062 *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2063 ******************************************************************************/
2064 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2065 					   u8 cos_entry,
2066 					   u32 priority_mask, u8 port)
2067 {
2068 	u32 nig_reg_rx_priority_mask_add = 0;
2069 
2070 	switch (cos_entry) {
2071 	case 0:
2072 	     nig_reg_rx_priority_mask_add = (port) ?
2073 		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2074 		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2075 	     break;
2076 	case 1:
2077 	    nig_reg_rx_priority_mask_add = (port) ?
2078 		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2079 		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2080 	    break;
2081 	case 2:
2082 	    nig_reg_rx_priority_mask_add = (port) ?
2083 		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2084 		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2085 	    break;
2086 	case 3:
2087 	    if (port)
2088 		return -EINVAL;
2089 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2090 	    break;
2091 	case 4:
2092 	    if (port)
2093 		return -EINVAL;
2094 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2095 	    break;
2096 	case 5:
2097 	    if (port)
2098 		return -EINVAL;
2099 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2100 	    break;
2101 	}
2102 
2103 	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2104 
2105 	return 0;
2106 }
2107 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2108 {
2109 	struct bnx2x *bp = params->bp;
2110 
2111 	REG_WR(bp, params->shmem_base +
2112 	       offsetof(struct shmem_region,
2113 			port_mb[params->port].link_status), link_status);
2114 }
2115 
2116 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2117 {
2118 	struct bnx2x *bp = params->bp;
2119 
2120 	if (SHMEM2_HAS(bp, link_attr_sync))
2121 		REG_WR(bp, params->shmem2_base +
2122 		       offsetof(struct shmem2_region,
2123 				link_attr_sync[params->port]), link_attr);
2124 }
2125 
2126 static void bnx2x_update_pfc_nig(struct link_params *params,
2127 		struct link_vars *vars,
2128 		struct bnx2x_nig_brb_pfc_port_params *nig_params)
2129 {
2130 	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2131 	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2132 	u32 pkt_priority_to_cos = 0;
2133 	struct bnx2x *bp = params->bp;
2134 	u8 port = params->port;
2135 
2136 	int set_pfc = params->feature_config_flags &
2137 		FEATURE_CONFIG_PFC_ENABLED;
2138 	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2139 
2140 	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2141 	 * MAC control frames (that are not pause packets)
2142 	 * will be forwarded to the XCM.
2143 	 */
2144 	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2145 			  NIG_REG_LLH0_XCM_MASK);
2146 	/* NIG params will override non PFC params, since it's possible to
2147 	 * do transition from PFC to SAFC
2148 	 */
2149 	if (set_pfc) {
2150 		pause_enable = 0;
2151 		llfc_out_en = 0;
2152 		llfc_enable = 0;
2153 		if (CHIP_IS_E3(bp))
2154 			ppp_enable = 0;
2155 		else
2156 			ppp_enable = 1;
2157 		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2158 				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2159 		xcm_out_en = 0;
2160 		hwpfc_enable = 1;
2161 	} else  {
2162 		if (nig_params) {
2163 			llfc_out_en = nig_params->llfc_out_en;
2164 			llfc_enable = nig_params->llfc_enable;
2165 			pause_enable = nig_params->pause_enable;
2166 		} else  /* Default non PFC mode - PAUSE */
2167 			pause_enable = 1;
2168 
2169 		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2170 			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2171 		xcm_out_en = 1;
2172 	}
2173 
2174 	if (CHIP_IS_E3(bp))
2175 		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2176 		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2177 	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2178 	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2179 	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2180 	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2181 	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2182 	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2183 
2184 	REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2185 	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2186 
2187 	REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2188 	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2189 
2190 	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2191 	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2192 
2193 	/* Output enable for RX_XCM # IF */
2194 	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2195 	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2196 
2197 	/* HW PFC TX enable */
2198 	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2199 	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2200 
2201 	if (nig_params) {
2202 		u8 i = 0;
2203 		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2204 
2205 		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2206 			bnx2x_pfc_nig_rx_priority_mask(bp, i,
2207 		nig_params->rx_cos_priority_mask[i], port);
2208 
2209 		REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2210 		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2211 		       nig_params->llfc_high_priority_classes);
2212 
2213 		REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2214 		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2215 		       nig_params->llfc_low_priority_classes);
2216 	}
2217 	REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2218 	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2219 	       pkt_priority_to_cos);
2220 }
2221 
2222 int bnx2x_update_pfc(struct link_params *params,
2223 		      struct link_vars *vars,
2224 		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2225 {
2226 	/* The PFC and pause are orthogonal to one another, meaning when
2227 	 * PFC is enabled, the pause are disabled, and when PFC is
2228 	 * disabled, pause are set according to the pause result.
2229 	 */
2230 	u32 val;
2231 	struct bnx2x *bp = params->bp;
2232 	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2233 
2234 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2235 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2236 	else
2237 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2238 
2239 	bnx2x_update_mng(params, vars->link_status);
2240 
2241 	/* Update NIG params */
2242 	bnx2x_update_pfc_nig(params, vars, pfc_params);
2243 
2244 	if (!vars->link_up)
2245 		return 0;
2246 
2247 	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2248 
2249 	if (CHIP_IS_E3(bp)) {
2250 		if (vars->mac_type == MAC_TYPE_XMAC)
2251 			bnx2x_update_pfc_xmac(params, vars, 0);
2252 	} else {
2253 		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2254 		if ((val &
2255 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2256 		    == 0) {
2257 			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2258 			bnx2x_emac_enable(params, vars, 0);
2259 			return 0;
2260 		}
2261 		if (CHIP_IS_E2(bp))
2262 			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2263 		else
2264 			bnx2x_update_pfc_bmac1(params, vars);
2265 
2266 		val = 0;
2267 		if ((params->feature_config_flags &
2268 		     FEATURE_CONFIG_PFC_ENABLED) ||
2269 		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2270 			val = 1;
2271 		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2272 	}
2273 	return 0;
2274 }
2275 
2276 static int bnx2x_bmac1_enable(struct link_params *params,
2277 			      struct link_vars *vars,
2278 			      u8 is_lb)
2279 {
2280 	struct bnx2x *bp = params->bp;
2281 	u8 port = params->port;
2282 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2283 			       NIG_REG_INGRESS_BMAC0_MEM;
2284 	u32 wb_data[2];
2285 	u32 val;
2286 
2287 	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2288 
2289 	/* XGXS control */
2290 	wb_data[0] = 0x3c;
2291 	wb_data[1] = 0;
2292 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2293 		    wb_data, 2);
2294 
2295 	/* TX MAC SA */
2296 	wb_data[0] = ((params->mac_addr[2] << 24) |
2297 		       (params->mac_addr[3] << 16) |
2298 		       (params->mac_addr[4] << 8) |
2299 			params->mac_addr[5]);
2300 	wb_data[1] = ((params->mac_addr[0] << 8) |
2301 			params->mac_addr[1]);
2302 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2303 
2304 	/* MAC control */
2305 	val = 0x3;
2306 	if (is_lb) {
2307 		val |= 0x4;
2308 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2309 	}
2310 	wb_data[0] = val;
2311 	wb_data[1] = 0;
2312 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2313 
2314 	/* Set rx mtu */
2315 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2316 	wb_data[1] = 0;
2317 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2318 
2319 	bnx2x_update_pfc_bmac1(params, vars);
2320 
2321 	/* Set tx mtu */
2322 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2323 	wb_data[1] = 0;
2324 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2325 
2326 	/* Set cnt max size */
2327 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2328 	wb_data[1] = 0;
2329 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2330 
2331 	/* Configure SAFC */
2332 	wb_data[0] = 0x1000200;
2333 	wb_data[1] = 0;
2334 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2335 		    wb_data, 2);
2336 
2337 	return 0;
2338 }
2339 
2340 static int bnx2x_bmac2_enable(struct link_params *params,
2341 			      struct link_vars *vars,
2342 			      u8 is_lb)
2343 {
2344 	struct bnx2x *bp = params->bp;
2345 	u8 port = params->port;
2346 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2347 			       NIG_REG_INGRESS_BMAC0_MEM;
2348 	u32 wb_data[2];
2349 
2350 	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2351 
2352 	wb_data[0] = 0;
2353 	wb_data[1] = 0;
2354 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2355 	udelay(30);
2356 
2357 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2358 	wb_data[0] = 0x3c;
2359 	wb_data[1] = 0;
2360 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2361 		    wb_data, 2);
2362 
2363 	udelay(30);
2364 
2365 	/* TX MAC SA */
2366 	wb_data[0] = ((params->mac_addr[2] << 24) |
2367 		       (params->mac_addr[3] << 16) |
2368 		       (params->mac_addr[4] << 8) |
2369 			params->mac_addr[5]);
2370 	wb_data[1] = ((params->mac_addr[0] << 8) |
2371 			params->mac_addr[1]);
2372 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2373 		    wb_data, 2);
2374 
2375 	udelay(30);
2376 
2377 	/* Configure SAFC */
2378 	wb_data[0] = 0x1000200;
2379 	wb_data[1] = 0;
2380 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2381 		    wb_data, 2);
2382 	udelay(30);
2383 
2384 	/* Set RX MTU */
2385 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2386 	wb_data[1] = 0;
2387 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2388 	udelay(30);
2389 
2390 	/* Set TX MTU */
2391 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2392 	wb_data[1] = 0;
2393 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2394 	udelay(30);
2395 	/* Set cnt max size */
2396 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2397 	wb_data[1] = 0;
2398 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2399 	udelay(30);
2400 	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2401 
2402 	return 0;
2403 }
2404 
2405 static int bnx2x_bmac_enable(struct link_params *params,
2406 			     struct link_vars *vars,
2407 			     u8 is_lb, u8 reset_bmac)
2408 {
2409 	int rc = 0;
2410 	u8 port = params->port;
2411 	struct bnx2x *bp = params->bp;
2412 	u32 val;
2413 	/* Reset and unreset the BigMac */
2414 	if (reset_bmac) {
2415 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2416 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2417 		usleep_range(1000, 2000);
2418 	}
2419 
2420 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2421 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2422 
2423 	/* Enable access for bmac registers */
2424 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2425 
2426 	/* Enable BMAC according to BMAC type*/
2427 	if (CHIP_IS_E2(bp))
2428 		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2429 	else
2430 		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2431 	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2432 	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2433 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2434 	val = 0;
2435 	if ((params->feature_config_flags &
2436 	      FEATURE_CONFIG_PFC_ENABLED) ||
2437 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2438 		val = 1;
2439 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2440 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2441 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2442 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2443 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2444 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2445 
2446 	vars->mac_type = MAC_TYPE_BMAC;
2447 	return rc;
2448 }
2449 
2450 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2451 {
2452 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2453 			NIG_REG_INGRESS_BMAC0_MEM;
2454 	u32 wb_data[2];
2455 	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2456 
2457 	if (CHIP_IS_E2(bp))
2458 		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2459 	else
2460 		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2461 	/* Only if the bmac is out of reset */
2462 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2463 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2464 	    nig_bmac_enable) {
2465 		/* Clear Rx Enable bit in BMAC_CONTROL register */
2466 		REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2467 		if (en)
2468 			wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2469 		else
2470 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2471 		REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2472 		usleep_range(1000, 2000);
2473 	}
2474 }
2475 
2476 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2477 			    u32 line_speed)
2478 {
2479 	struct bnx2x *bp = params->bp;
2480 	u8 port = params->port;
2481 	u32 init_crd, crd;
2482 	u32 count = 1000;
2483 
2484 	/* Disable port */
2485 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2486 
2487 	/* Wait for init credit */
2488 	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2489 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2490 	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2491 
2492 	while ((init_crd != crd) && count) {
2493 		usleep_range(5000, 10000);
2494 		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2495 		count--;
2496 	}
2497 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2498 	if (init_crd != crd) {
2499 		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2500 			  init_crd, crd);
2501 		return -EINVAL;
2502 	}
2503 
2504 	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2505 	    line_speed == SPEED_10 ||
2506 	    line_speed == SPEED_100 ||
2507 	    line_speed == SPEED_1000 ||
2508 	    line_speed == SPEED_2500) {
2509 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2510 		/* Update threshold */
2511 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2512 		/* Update init credit */
2513 		init_crd = 778;		/* (800-18-4) */
2514 
2515 	} else {
2516 		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2517 			      ETH_OVREHEAD)/16;
2518 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2519 		/* Update threshold */
2520 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2521 		/* Update init credit */
2522 		switch (line_speed) {
2523 		case SPEED_10000:
2524 			init_crd = thresh + 553 - 22;
2525 			break;
2526 		default:
2527 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2528 				  line_speed);
2529 			return -EINVAL;
2530 		}
2531 	}
2532 	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2533 	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2534 		 line_speed, init_crd);
2535 
2536 	/* Probe the credit changes */
2537 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2538 	usleep_range(5000, 10000);
2539 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2540 
2541 	/* Enable port */
2542 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2543 	return 0;
2544 }
2545 
2546 /**
2547  * bnx2x_get_emac_base - retrive emac base address
2548  *
2549  * @bp:			driver handle
2550  * @mdc_mdio_access:	access type
2551  * @port:		port id
2552  *
2553  * This function selects the MDC/MDIO access (through emac0 or
2554  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2555  * phy has a default access mode, which could also be overridden
2556  * by nvram configuration. This parameter, whether this is the
2557  * default phy configuration, or the nvram overrun
2558  * configuration, is passed here as mdc_mdio_access and selects
2559  * the emac_base for the CL45 read/writes operations
2560  */
2561 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2562 			       u32 mdc_mdio_access, u8 port)
2563 {
2564 	u32 emac_base = 0;
2565 	switch (mdc_mdio_access) {
2566 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2567 		break;
2568 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2569 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2570 			emac_base = GRCBASE_EMAC1;
2571 		else
2572 			emac_base = GRCBASE_EMAC0;
2573 		break;
2574 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2575 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2576 			emac_base = GRCBASE_EMAC0;
2577 		else
2578 			emac_base = GRCBASE_EMAC1;
2579 		break;
2580 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2581 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2582 		break;
2583 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2584 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2585 		break;
2586 	default:
2587 		break;
2588 	}
2589 	return emac_base;
2590 
2591 }
2592 
2593 /******************************************************************/
2594 /*			CL22 access functions			  */
2595 /******************************************************************/
2596 static int bnx2x_cl22_write(struct bnx2x *bp,
2597 				       struct bnx2x_phy *phy,
2598 				       u16 reg, u16 val)
2599 {
2600 	u32 tmp, mode;
2601 	u8 i;
2602 	int rc = 0;
2603 	/* Switch to CL22 */
2604 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2605 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2606 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2607 
2608 	/* Address */
2609 	tmp = ((phy->addr << 21) | (reg << 16) | val |
2610 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2611 	       EMAC_MDIO_COMM_START_BUSY);
2612 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2613 
2614 	for (i = 0; i < 50; i++) {
2615 		udelay(10);
2616 
2617 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2618 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2619 			udelay(5);
2620 			break;
2621 		}
2622 	}
2623 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2624 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2625 		rc = -EFAULT;
2626 	}
2627 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2628 	return rc;
2629 }
2630 
2631 static int bnx2x_cl22_read(struct bnx2x *bp,
2632 				      struct bnx2x_phy *phy,
2633 				      u16 reg, u16 *ret_val)
2634 {
2635 	u32 val, mode;
2636 	u16 i;
2637 	int rc = 0;
2638 
2639 	/* Switch to CL22 */
2640 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2641 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2642 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2643 
2644 	/* Address */
2645 	val = ((phy->addr << 21) | (reg << 16) |
2646 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
2647 	       EMAC_MDIO_COMM_START_BUSY);
2648 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2649 
2650 	for (i = 0; i < 50; i++) {
2651 		udelay(10);
2652 
2653 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2654 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2655 			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2656 			udelay(5);
2657 			break;
2658 		}
2659 	}
2660 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2661 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2662 
2663 		*ret_val = 0;
2664 		rc = -EFAULT;
2665 	}
2666 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2667 	return rc;
2668 }
2669 
2670 /******************************************************************/
2671 /*			CL45 access functions			  */
2672 /******************************************************************/
2673 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2674 			   u8 devad, u16 reg, u16 *ret_val)
2675 {
2676 	u32 val;
2677 	u16 i;
2678 	int rc = 0;
2679 	u32 chip_id;
2680 	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2681 		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2682 			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2683 		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2684 	}
2685 
2686 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2687 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2688 			      EMAC_MDIO_STATUS_10MB);
2689 	/* Address */
2690 	val = ((phy->addr << 21) | (devad << 16) | reg |
2691 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2692 	       EMAC_MDIO_COMM_START_BUSY);
2693 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2694 
2695 	for (i = 0; i < 50; i++) {
2696 		udelay(10);
2697 
2698 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2699 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2700 			udelay(5);
2701 			break;
2702 		}
2703 	}
2704 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2705 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2706 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2707 		*ret_val = 0;
2708 		rc = -EFAULT;
2709 	} else {
2710 		/* Data */
2711 		val = ((phy->addr << 21) | (devad << 16) |
2712 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
2713 		       EMAC_MDIO_COMM_START_BUSY);
2714 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2715 
2716 		for (i = 0; i < 50; i++) {
2717 			udelay(10);
2718 
2719 			val = REG_RD(bp, phy->mdio_ctrl +
2720 				     EMAC_REG_EMAC_MDIO_COMM);
2721 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2722 				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2723 				break;
2724 			}
2725 		}
2726 		if (val & EMAC_MDIO_COMM_START_BUSY) {
2727 			DP(NETIF_MSG_LINK, "read phy register failed\n");
2728 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2729 			*ret_val = 0;
2730 			rc = -EFAULT;
2731 		}
2732 	}
2733 	/* Work around for E3 A0 */
2734 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2735 		phy->flags ^= FLAGS_DUMMY_READ;
2736 		if (phy->flags & FLAGS_DUMMY_READ) {
2737 			u16 temp_val;
2738 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2739 		}
2740 	}
2741 
2742 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2743 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2744 			       EMAC_MDIO_STATUS_10MB);
2745 	return rc;
2746 }
2747 
2748 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2749 			    u8 devad, u16 reg, u16 val)
2750 {
2751 	u32 tmp;
2752 	u8 i;
2753 	int rc = 0;
2754 	u32 chip_id;
2755 	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2756 		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2757 			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2758 		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2759 	}
2760 
2761 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2762 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2763 			      EMAC_MDIO_STATUS_10MB);
2764 
2765 	/* Address */
2766 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
2767 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2768 	       EMAC_MDIO_COMM_START_BUSY);
2769 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2770 
2771 	for (i = 0; i < 50; i++) {
2772 		udelay(10);
2773 
2774 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2775 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2776 			udelay(5);
2777 			break;
2778 		}
2779 	}
2780 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2781 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2782 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2783 		rc = -EFAULT;
2784 	} else {
2785 		/* Data */
2786 		tmp = ((phy->addr << 21) | (devad << 16) | val |
2787 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2788 		       EMAC_MDIO_COMM_START_BUSY);
2789 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2790 
2791 		for (i = 0; i < 50; i++) {
2792 			udelay(10);
2793 
2794 			tmp = REG_RD(bp, phy->mdio_ctrl +
2795 				     EMAC_REG_EMAC_MDIO_COMM);
2796 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2797 				udelay(5);
2798 				break;
2799 			}
2800 		}
2801 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2802 			DP(NETIF_MSG_LINK, "write phy register failed\n");
2803 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2804 			rc = -EFAULT;
2805 		}
2806 	}
2807 	/* Work around for E3 A0 */
2808 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2809 		phy->flags ^= FLAGS_DUMMY_READ;
2810 		if (phy->flags & FLAGS_DUMMY_READ) {
2811 			u16 temp_val;
2812 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2813 		}
2814 	}
2815 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2816 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2817 			       EMAC_MDIO_STATUS_10MB);
2818 	return rc;
2819 }
2820 
2821 /******************************************************************/
2822 /*			EEE section				   */
2823 /******************************************************************/
2824 static u8 bnx2x_eee_has_cap(struct link_params *params)
2825 {
2826 	struct bnx2x *bp = params->bp;
2827 
2828 	if (REG_RD(bp, params->shmem2_base) <=
2829 		   offsetof(struct shmem2_region, eee_status[params->port]))
2830 		return 0;
2831 
2832 	return 1;
2833 }
2834 
2835 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2836 {
2837 	switch (nvram_mode) {
2838 	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2839 		*idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2840 		break;
2841 	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2842 		*idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2843 		break;
2844 	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2845 		*idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2846 		break;
2847 	default:
2848 		*idle_timer = 0;
2849 		break;
2850 	}
2851 
2852 	return 0;
2853 }
2854 
2855 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2856 {
2857 	switch (idle_timer) {
2858 	case EEE_MODE_NVRAM_BALANCED_TIME:
2859 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2860 		break;
2861 	case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2862 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2863 		break;
2864 	case EEE_MODE_NVRAM_LATENCY_TIME:
2865 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2866 		break;
2867 	default:
2868 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2869 		break;
2870 	}
2871 
2872 	return 0;
2873 }
2874 
2875 static u32 bnx2x_eee_calc_timer(struct link_params *params)
2876 {
2877 	u32 eee_mode, eee_idle;
2878 	struct bnx2x *bp = params->bp;
2879 
2880 	if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2881 		if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2882 			/* time value in eee_mode --> used directly*/
2883 			eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2884 		} else {
2885 			/* hsi value in eee_mode --> time */
2886 			if (bnx2x_eee_nvram_to_time(params->eee_mode &
2887 						    EEE_MODE_NVRAM_MASK,
2888 						    &eee_idle))
2889 				return 0;
2890 		}
2891 	} else {
2892 		/* hsi values in nvram --> time*/
2893 		eee_mode = ((REG_RD(bp, params->shmem_base +
2894 				    offsetof(struct shmem_region, dev_info.
2895 				    port_feature_config[params->port].
2896 				    eee_power_mode)) &
2897 			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2898 			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2899 
2900 		if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2901 			return 0;
2902 	}
2903 
2904 	return eee_idle;
2905 }
2906 
2907 static int bnx2x_eee_set_timers(struct link_params *params,
2908 				   struct link_vars *vars)
2909 {
2910 	u32 eee_idle = 0, eee_mode;
2911 	struct bnx2x *bp = params->bp;
2912 
2913 	eee_idle = bnx2x_eee_calc_timer(params);
2914 
2915 	if (eee_idle) {
2916 		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2917 		       eee_idle);
2918 	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2919 		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2920 		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2921 		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2922 		return -EINVAL;
2923 	}
2924 
2925 	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2926 	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2927 		/* eee_idle in 1u --> eee_status in 16u */
2928 		eee_idle >>= 4;
2929 		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2930 				    SHMEM_EEE_TIME_OUTPUT_BIT;
2931 	} else {
2932 		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2933 			return -EINVAL;
2934 		vars->eee_status |= eee_mode;
2935 	}
2936 
2937 	return 0;
2938 }
2939 
2940 static int bnx2x_eee_initial_config(struct link_params *params,
2941 				     struct link_vars *vars, u8 mode)
2942 {
2943 	vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2944 
2945 	/* Propagate params' bits --> vars (for migration exposure) */
2946 	if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2947 		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2948 	else
2949 		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2950 
2951 	if (params->eee_mode & EEE_MODE_ADV_LPI)
2952 		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2953 	else
2954 		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2955 
2956 	return bnx2x_eee_set_timers(params, vars);
2957 }
2958 
2959 static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2960 				struct link_params *params,
2961 				struct link_vars *vars)
2962 {
2963 	struct bnx2x *bp = params->bp;
2964 
2965 	/* Make Certain LPI is disabled */
2966 	REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2967 
2968 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2969 
2970 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2971 
2972 	return 0;
2973 }
2974 
2975 static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2976 				  struct link_params *params,
2977 				  struct link_vars *vars, u8 modes)
2978 {
2979 	struct bnx2x *bp = params->bp;
2980 	u16 val = 0;
2981 
2982 	/* Mask events preventing LPI generation */
2983 	REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2984 
2985 	if (modes & SHMEM_EEE_10G_ADV) {
2986 		DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2987 		val |= 0x8;
2988 	}
2989 	if (modes & SHMEM_EEE_1G_ADV) {
2990 		DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2991 		val |= 0x4;
2992 	}
2993 
2994 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2995 
2996 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2997 	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
2998 
2999 	return 0;
3000 }
3001 
3002 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3003 {
3004 	struct bnx2x *bp = params->bp;
3005 
3006 	if (bnx2x_eee_has_cap(params))
3007 		REG_WR(bp, params->shmem2_base +
3008 		       offsetof(struct shmem2_region,
3009 				eee_status[params->port]), eee_status);
3010 }
3011 
3012 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3013 				  struct link_params *params,
3014 				  struct link_vars *vars)
3015 {
3016 	struct bnx2x *bp = params->bp;
3017 	u16 adv = 0, lp = 0;
3018 	u32 lp_adv = 0;
3019 	u8 neg = 0;
3020 
3021 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3022 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3023 
3024 	if (lp & 0x2) {
3025 		lp_adv |= SHMEM_EEE_100M_ADV;
3026 		if (adv & 0x2) {
3027 			if (vars->line_speed == SPEED_100)
3028 				neg = 1;
3029 			DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3030 		}
3031 	}
3032 	if (lp & 0x14) {
3033 		lp_adv |= SHMEM_EEE_1G_ADV;
3034 		if (adv & 0x14) {
3035 			if (vars->line_speed == SPEED_1000)
3036 				neg = 1;
3037 			DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3038 		}
3039 	}
3040 	if (lp & 0x68) {
3041 		lp_adv |= SHMEM_EEE_10G_ADV;
3042 		if (adv & 0x68) {
3043 			if (vars->line_speed == SPEED_10000)
3044 				neg = 1;
3045 			DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3046 		}
3047 	}
3048 
3049 	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3050 	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3051 
3052 	if (neg) {
3053 		DP(NETIF_MSG_LINK, "EEE is active\n");
3054 		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3055 	}
3056 
3057 }
3058 
3059 /******************************************************************/
3060 /*			BSC access functions from E3	          */
3061 /******************************************************************/
3062 static void bnx2x_bsc_module_sel(struct link_params *params)
3063 {
3064 	int idx;
3065 	u32 board_cfg, sfp_ctrl;
3066 	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3067 	struct bnx2x *bp = params->bp;
3068 	u8 port = params->port;
3069 	/* Read I2C output PINs */
3070 	board_cfg = REG_RD(bp, params->shmem_base +
3071 			   offsetof(struct shmem_region,
3072 				    dev_info.shared_hw_config.board));
3073 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3074 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3075 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3076 
3077 	/* Read I2C output value */
3078 	sfp_ctrl = REG_RD(bp, params->shmem_base +
3079 			  offsetof(struct shmem_region,
3080 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3081 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3082 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3083 	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3084 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3085 		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3086 }
3087 
3088 static int bnx2x_bsc_read(struct link_params *params,
3089 			  struct bnx2x *bp,
3090 			  u8 sl_devid,
3091 			  u16 sl_addr,
3092 			  u8 lc_addr,
3093 			  u8 xfer_cnt,
3094 			  u32 *data_array)
3095 {
3096 	u32 val, i;
3097 	int rc = 0;
3098 
3099 	if (xfer_cnt > 16) {
3100 		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3101 					xfer_cnt);
3102 		return -EINVAL;
3103 	}
3104 	bnx2x_bsc_module_sel(params);
3105 
3106 	xfer_cnt = 16 - lc_addr;
3107 
3108 	/* Enable the engine */
3109 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3110 	val |= MCPR_IMC_COMMAND_ENABLE;
3111 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3112 
3113 	/* Program slave device ID */
3114 	val = (sl_devid << 16) | sl_addr;
3115 	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3116 
3117 	/* Start xfer with 0 byte to update the address pointer ???*/
3118 	val = (MCPR_IMC_COMMAND_ENABLE) |
3119 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3120 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3121 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3122 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3123 
3124 	/* Poll for completion */
3125 	i = 0;
3126 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3127 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3128 		udelay(10);
3129 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3130 		if (i++ > 1000) {
3131 			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3132 								i);
3133 			rc = -EFAULT;
3134 			break;
3135 		}
3136 	}
3137 	if (rc == -EFAULT)
3138 		return rc;
3139 
3140 	/* Start xfer with read op */
3141 	val = (MCPR_IMC_COMMAND_ENABLE) |
3142 		(MCPR_IMC_COMMAND_READ_OP <<
3143 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3144 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3145 		  (xfer_cnt);
3146 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3147 
3148 	/* Poll for completion */
3149 	i = 0;
3150 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3151 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3152 		udelay(10);
3153 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3154 		if (i++ > 1000) {
3155 			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3156 			rc = -EFAULT;
3157 			break;
3158 		}
3159 	}
3160 	if (rc == -EFAULT)
3161 		return rc;
3162 
3163 	for (i = (lc_addr >> 2); i < 4; i++) {
3164 		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3165 #ifdef __BIG_ENDIAN
3166 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3167 				((data_array[i] & 0x0000ff00) << 8) |
3168 				((data_array[i] & 0x00ff0000) >> 8) |
3169 				((data_array[i] & 0xff000000) >> 24);
3170 #endif
3171 	}
3172 	return rc;
3173 }
3174 
3175 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3176 				     u8 devad, u16 reg, u16 or_val)
3177 {
3178 	u16 val;
3179 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3180 	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3181 }
3182 
3183 static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3184 				      struct bnx2x_phy *phy,
3185 				      u8 devad, u16 reg, u16 and_val)
3186 {
3187 	u16 val;
3188 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3189 	bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3190 }
3191 
3192 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3193 		   u8 devad, u16 reg, u16 *ret_val)
3194 {
3195 	u8 phy_index;
3196 	/* Probe for the phy according to the given phy_addr, and execute
3197 	 * the read request on it
3198 	 */
3199 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3200 		if (params->phy[phy_index].addr == phy_addr) {
3201 			return bnx2x_cl45_read(params->bp,
3202 					       &params->phy[phy_index], devad,
3203 					       reg, ret_val);
3204 		}
3205 	}
3206 	return -EINVAL;
3207 }
3208 
3209 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3210 		    u8 devad, u16 reg, u16 val)
3211 {
3212 	u8 phy_index;
3213 	/* Probe for the phy according to the given phy_addr, and execute
3214 	 * the write request on it
3215 	 */
3216 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3217 		if (params->phy[phy_index].addr == phy_addr) {
3218 			return bnx2x_cl45_write(params->bp,
3219 						&params->phy[phy_index], devad,
3220 						reg, val);
3221 		}
3222 	}
3223 	return -EINVAL;
3224 }
3225 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3226 				  struct link_params *params)
3227 {
3228 	u8 lane = 0;
3229 	struct bnx2x *bp = params->bp;
3230 	u32 path_swap, path_swap_ovr;
3231 	u8 path, port;
3232 
3233 	path = BP_PATH(bp);
3234 	port = params->port;
3235 
3236 	if (bnx2x_is_4_port_mode(bp)) {
3237 		u32 port_swap, port_swap_ovr;
3238 
3239 		/* Figure out path swap value */
3240 		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3241 		if (path_swap_ovr & 0x1)
3242 			path_swap = (path_swap_ovr & 0x2);
3243 		else
3244 			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3245 
3246 		if (path_swap)
3247 			path = path ^ 1;
3248 
3249 		/* Figure out port swap value */
3250 		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3251 		if (port_swap_ovr & 0x1)
3252 			port_swap = (port_swap_ovr & 0x2);
3253 		else
3254 			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3255 
3256 		if (port_swap)
3257 			port = port ^ 1;
3258 
3259 		lane = (port<<1) + path;
3260 	} else { /* Two port mode - no port swap */
3261 
3262 		/* Figure out path swap value */
3263 		path_swap_ovr =
3264 			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3265 		if (path_swap_ovr & 0x1) {
3266 			path_swap = (path_swap_ovr & 0x2);
3267 		} else {
3268 			path_swap =
3269 				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3270 		}
3271 		if (path_swap)
3272 			path = path ^ 1;
3273 
3274 		lane = path << 1 ;
3275 	}
3276 	return lane;
3277 }
3278 
3279 static void bnx2x_set_aer_mmd(struct link_params *params,
3280 			      struct bnx2x_phy *phy)
3281 {
3282 	u32 ser_lane;
3283 	u16 offset, aer_val;
3284 	struct bnx2x *bp = params->bp;
3285 	ser_lane = ((params->lane_config &
3286 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3287 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3288 
3289 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3290 		(phy->addr + ser_lane) : 0;
3291 
3292 	if (USES_WARPCORE(bp)) {
3293 		aer_val = bnx2x_get_warpcore_lane(phy, params);
3294 		/* In Dual-lane mode, two lanes are joined together,
3295 		 * so in order to configure them, the AER broadcast method is
3296 		 * used here.
3297 		 * 0x200 is the broadcast address for lanes 0,1
3298 		 * 0x201 is the broadcast address for lanes 2,3
3299 		 */
3300 		if (phy->flags & FLAGS_WC_DUAL_MODE)
3301 			aer_val = (aer_val >> 1) | 0x200;
3302 	} else if (CHIP_IS_E2(bp))
3303 		aer_val = 0x3800 + offset - 1;
3304 	else
3305 		aer_val = 0x3800 + offset;
3306 
3307 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3308 			  MDIO_AER_BLOCK_AER_REG, aer_val);
3309 
3310 }
3311 
3312 /******************************************************************/
3313 /*			Internal phy section			  */
3314 /******************************************************************/
3315 
3316 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3317 {
3318 	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3319 
3320 	/* Set Clause 22 */
3321 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3322 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3323 	udelay(500);
3324 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3325 	udelay(500);
3326 	 /* Set Clause 45 */
3327 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3328 }
3329 
3330 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3331 {
3332 	u32 val;
3333 
3334 	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3335 
3336 	val = SERDES_RESET_BITS << (port*16);
3337 
3338 	/* Reset and unreset the SerDes/XGXS */
3339 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3340 	udelay(500);
3341 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3342 
3343 	bnx2x_set_serdes_access(bp, port);
3344 
3345 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3346 	       DEFAULT_PHY_DEV_ADDR);
3347 }
3348 
3349 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3350 				     struct link_params *params,
3351 				     u32 action)
3352 {
3353 	struct bnx2x *bp = params->bp;
3354 	switch (action) {
3355 	case PHY_INIT:
3356 		/* Set correct devad */
3357 		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3358 		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3359 		       phy->def_md_devad);
3360 		break;
3361 	}
3362 }
3363 
3364 static void bnx2x_xgxs_deassert(struct link_params *params)
3365 {
3366 	struct bnx2x *bp = params->bp;
3367 	u8 port;
3368 	u32 val;
3369 	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3370 	port = params->port;
3371 
3372 	val = XGXS_RESET_BITS << (port*16);
3373 
3374 	/* Reset and unreset the SerDes/XGXS */
3375 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3376 	udelay(500);
3377 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3378 	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3379 				 PHY_INIT);
3380 }
3381 
3382 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3383 				     struct link_params *params, u16 *ieee_fc)
3384 {
3385 	struct bnx2x *bp = params->bp;
3386 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3387 	/* Resolve pause mode and advertisement Please refer to Table
3388 	 * 28B-3 of the 802.3ab-1999 spec
3389 	 */
3390 
3391 	switch (phy->req_flow_ctrl) {
3392 	case BNX2X_FLOW_CTRL_AUTO:
3393 		switch (params->req_fc_auto_adv) {
3394 		case BNX2X_FLOW_CTRL_BOTH:
3395 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3396 			break;
3397 		case BNX2X_FLOW_CTRL_RX:
3398 		case BNX2X_FLOW_CTRL_TX:
3399 			*ieee_fc |=
3400 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3401 			break;
3402 		default:
3403 			break;
3404 		}
3405 		break;
3406 	case BNX2X_FLOW_CTRL_TX:
3407 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3408 		break;
3409 
3410 	case BNX2X_FLOW_CTRL_RX:
3411 	case BNX2X_FLOW_CTRL_BOTH:
3412 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3413 		break;
3414 
3415 	case BNX2X_FLOW_CTRL_NONE:
3416 	default:
3417 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3418 		break;
3419 	}
3420 	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3421 }
3422 
3423 static void set_phy_vars(struct link_params *params,
3424 			 struct link_vars *vars)
3425 {
3426 	struct bnx2x *bp = params->bp;
3427 	u8 actual_phy_idx, phy_index, link_cfg_idx;
3428 	u8 phy_config_swapped = params->multi_phy_config &
3429 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3430 	for (phy_index = INT_PHY; phy_index < params->num_phys;
3431 	      phy_index++) {
3432 		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3433 		actual_phy_idx = phy_index;
3434 		if (phy_config_swapped) {
3435 			if (phy_index == EXT_PHY1)
3436 				actual_phy_idx = EXT_PHY2;
3437 			else if (phy_index == EXT_PHY2)
3438 				actual_phy_idx = EXT_PHY1;
3439 		}
3440 		params->phy[actual_phy_idx].req_flow_ctrl =
3441 			params->req_flow_ctrl[link_cfg_idx];
3442 
3443 		params->phy[actual_phy_idx].req_line_speed =
3444 			params->req_line_speed[link_cfg_idx];
3445 
3446 		params->phy[actual_phy_idx].speed_cap_mask =
3447 			params->speed_cap_mask[link_cfg_idx];
3448 
3449 		params->phy[actual_phy_idx].req_duplex =
3450 			params->req_duplex[link_cfg_idx];
3451 
3452 		if (params->req_line_speed[link_cfg_idx] ==
3453 		    SPEED_AUTO_NEG)
3454 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3455 
3456 		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3457 			   " speed_cap_mask %x\n",
3458 			   params->phy[actual_phy_idx].req_flow_ctrl,
3459 			   params->phy[actual_phy_idx].req_line_speed,
3460 			   params->phy[actual_phy_idx].speed_cap_mask);
3461 	}
3462 }
3463 
3464 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3465 				    struct bnx2x_phy *phy,
3466 				    struct link_vars *vars)
3467 {
3468 	u16 val;
3469 	struct bnx2x *bp = params->bp;
3470 	/* Read modify write pause advertizing */
3471 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3472 
3473 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3474 
3475 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3476 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3477 	if ((vars->ieee_fc &
3478 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3479 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3480 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3481 	}
3482 	if ((vars->ieee_fc &
3483 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3484 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3485 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3486 	}
3487 	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3488 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3489 }
3490 
3491 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3492 {						/*  LD	    LP	 */
3493 	switch (pause_result) {			/* ASYM P ASYM P */
3494 	case 0xb:				/*   1  0   1  1 */
3495 		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3496 		break;
3497 
3498 	case 0xe:				/*   1  1   1  0 */
3499 		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3500 		break;
3501 
3502 	case 0x5:				/*   0  1   0  1 */
3503 	case 0x7:				/*   0  1   1  1 */
3504 	case 0xd:				/*   1  1   0  1 */
3505 	case 0xf:				/*   1  1   1  1 */
3506 		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3507 		break;
3508 
3509 	default:
3510 		break;
3511 	}
3512 	if (pause_result & (1<<0))
3513 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3514 	if (pause_result & (1<<1))
3515 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3516 
3517 }
3518 
3519 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3520 					struct link_params *params,
3521 					struct link_vars *vars)
3522 {
3523 	u16 ld_pause;		/* local */
3524 	u16 lp_pause;		/* link partner */
3525 	u16 pause_result;
3526 	struct bnx2x *bp = params->bp;
3527 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3528 		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3529 		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3530 	} else if (CHIP_IS_E3(bp) &&
3531 		SINGLE_MEDIA_DIRECT(params)) {
3532 		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3533 		u16 gp_status, gp_mask;
3534 		bnx2x_cl45_read(bp, phy,
3535 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3536 				&gp_status);
3537 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3538 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3539 			lane;
3540 		if ((gp_status & gp_mask) == gp_mask) {
3541 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3542 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3543 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3544 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3545 		} else {
3546 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3547 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3548 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3549 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3550 			ld_pause = ((ld_pause &
3551 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3552 				    << 3);
3553 			lp_pause = ((lp_pause &
3554 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3555 				    << 3);
3556 		}
3557 	} else {
3558 		bnx2x_cl45_read(bp, phy,
3559 				MDIO_AN_DEVAD,
3560 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3561 		bnx2x_cl45_read(bp, phy,
3562 				MDIO_AN_DEVAD,
3563 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3564 	}
3565 	pause_result = (ld_pause &
3566 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3567 	pause_result |= (lp_pause &
3568 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3569 	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3570 	bnx2x_pause_resolve(vars, pause_result);
3571 
3572 }
3573 
3574 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3575 				   struct link_params *params,
3576 				   struct link_vars *vars)
3577 {
3578 	u8 ret = 0;
3579 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3580 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3581 		/* Update the advertised flow-controled of LD/LP in AN */
3582 		if (phy->req_line_speed == SPEED_AUTO_NEG)
3583 			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3584 		/* But set the flow-control result as the requested one */
3585 		vars->flow_ctrl = phy->req_flow_ctrl;
3586 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3587 		vars->flow_ctrl = params->req_fc_auto_adv;
3588 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3589 		ret = 1;
3590 		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3591 	}
3592 	return ret;
3593 }
3594 /******************************************************************/
3595 /*			Warpcore section			  */
3596 /******************************************************************/
3597 /* The init_internal_warpcore should mirror the xgxs,
3598  * i.e. reset the lane (if needed), set aer for the
3599  * init configuration, and set/clear SGMII flag. Internal
3600  * phy init is done purely in phy_init stage.
3601  */
3602 #define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
3603 	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3604 	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3605 	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
3606 	 (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
3607 
3608 #define WC_TX_FIR(post, main, pre) \
3609 	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3610 	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3611 	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3612 
3613 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3614 					 struct link_params *params,
3615 					 struct link_vars *vars)
3616 {
3617 	struct bnx2x *bp = params->bp;
3618 	u16 i;
3619 	static struct bnx2x_reg_set reg_set[] = {
3620 		/* Step 1 - Program the TX/RX alignment markers */
3621 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3622 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3623 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3624 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3625 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3626 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3627 		/* Step 2 - Configure the NP registers */
3628 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3629 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3630 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3631 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3632 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3633 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3634 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3635 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3636 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3637 	};
3638 	DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3639 
3640 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3641 				 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3642 
3643 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3644 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3645 				 reg_set[i].val);
3646 
3647 	/* Start KR2 work-around timer which handles BCM8073 link-parner */
3648 	params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3649 	bnx2x_update_link_attr(params, params->link_attr_sync);
3650 }
3651 
3652 static void bnx2x_disable_kr2(struct link_params *params,
3653 			      struct link_vars *vars,
3654 			      struct bnx2x_phy *phy)
3655 {
3656 	struct bnx2x *bp = params->bp;
3657 	int i;
3658 	static struct bnx2x_reg_set reg_set[] = {
3659 		/* Step 1 - Program the TX/RX alignment markers */
3660 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3661 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3662 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3663 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3664 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3665 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3666 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3667 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3668 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3669 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3670 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3671 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3672 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3673 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3674 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3675 	};
3676 	DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3677 
3678 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3679 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3680 				 reg_set[i].val);
3681 	params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3682 	bnx2x_update_link_attr(params, params->link_attr_sync);
3683 
3684 	vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3685 }
3686 
3687 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3688 					       struct link_params *params)
3689 {
3690 	struct bnx2x *bp = params->bp;
3691 
3692 	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3693 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3694 			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3695 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3696 				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3697 }
3698 
3699 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3700 					 struct link_params *params)
3701 {
3702 	/* Restart autoneg on the leading lane only */
3703 	struct bnx2x *bp = params->bp;
3704 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
3705 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3706 			  MDIO_AER_BLOCK_AER_REG, lane);
3707 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3708 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3709 
3710 	/* Restore AER */
3711 	bnx2x_set_aer_mmd(params, phy);
3712 }
3713 
3714 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3715 					struct link_params *params,
3716 					struct link_vars *vars) {
3717 	u16 lane, i, cl72_ctrl, an_adv = 0, val;
3718 	u32 wc_lane_config;
3719 	struct bnx2x *bp = params->bp;
3720 	static struct bnx2x_reg_set reg_set[] = {
3721 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3722 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3723 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3724 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3725 		/* Disable Autoneg: re-enable it after adv is done. */
3726 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3727 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3728 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3729 	};
3730 	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3731 	/* Set to default registers that may be overriden by 10G force */
3732 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3733 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3734 				 reg_set[i].val);
3735 
3736 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3737 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3738 	cl72_ctrl &= 0x08ff;
3739 	cl72_ctrl |= 0x3800;
3740 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3741 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3742 
3743 	/* Check adding advertisement for 1G KX */
3744 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3745 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3746 	    (vars->line_speed == SPEED_1000)) {
3747 		u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3748 		an_adv |= (1<<5);
3749 
3750 		/* Enable CL37 1G Parallel Detect */
3751 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3752 		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3753 	}
3754 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3755 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3756 	    (vars->line_speed ==  SPEED_10000)) {
3757 		/* Check adding advertisement for 10G KR */
3758 		an_adv |= (1<<7);
3759 		/* Enable 10G Parallel Detect */
3760 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3761 				  MDIO_AER_BLOCK_AER_REG, 0);
3762 
3763 		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3764 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3765 		bnx2x_set_aer_mmd(params, phy);
3766 		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3767 	}
3768 
3769 	/* Set Transmit PMD settings */
3770 	lane = bnx2x_get_warpcore_lane(phy, params);
3771 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3772 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3773 			 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3774 	/* Configure the next lane if dual mode */
3775 	if (phy->flags & FLAGS_WC_DUAL_MODE)
3776 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3777 				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3778 				 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3779 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3780 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3781 			 0x03f0);
3782 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3783 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3784 			 0x03f0);
3785 
3786 	/* Advertised speeds */
3787 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3788 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3789 
3790 	/* Advertised and set FEC (Forward Error Correction) */
3791 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3792 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3793 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3794 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3795 
3796 	/* Enable CL37 BAM */
3797 	if (REG_RD(bp, params->shmem_base +
3798 		   offsetof(struct shmem_region, dev_info.
3799 			    port_hw_config[params->port].default_cfg)) &
3800 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3801 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3802 					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3803 					 1);
3804 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3805 	}
3806 
3807 	/* Advertise pause */
3808 	bnx2x_ext_phy_set_pause(params, phy, vars);
3809 	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3810 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3811 				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3812 
3813 	/* Over 1G - AN local device user page 1 */
3814 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3815 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3816 
3817 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3818 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3819 	    (phy->req_line_speed == SPEED_20000)) {
3820 
3821 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3822 				  MDIO_AER_BLOCK_AER_REG, lane);
3823 
3824 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3825 					 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3826 					 (1<<11));
3827 
3828 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3829 				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3830 		bnx2x_set_aer_mmd(params, phy);
3831 
3832 		bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3833 	} else {
3834 		/* Enable Auto-Detect to support 1G over CL37 as well */
3835 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3836 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3837 		wc_lane_config = REG_RD(bp, params->shmem_base +
3838 					offsetof(struct shmem_region, dev_info.
3839 					shared_hw_config.wc_lane_config));
3840 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3841 				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
3842 		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
3843 		 * parallel-detect loop when CL73 and CL37 are enabled.
3844 		 */
3845 		val |= 1 << 11;
3846 
3847 		/* Restore Polarity settings in case it was run over by
3848 		 * previous link owner
3849 		 */
3850 		if (wc_lane_config &
3851 		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
3852 			val |= 3 << 2;
3853 		else
3854 			val &= ~(3 << 2);
3855 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3856 				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
3857 				 val);
3858 
3859 		bnx2x_disable_kr2(params, vars, phy);
3860 	}
3861 
3862 	/* Enable Autoneg: only on the main lane */
3863 	bnx2x_warpcore_restart_AN_KR(phy, params);
3864 }
3865 
3866 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3867 				      struct link_params *params,
3868 				      struct link_vars *vars)
3869 {
3870 	struct bnx2x *bp = params->bp;
3871 	u16 val16, i, lane;
3872 	static struct bnx2x_reg_set reg_set[] = {
3873 		/* Disable Autoneg */
3874 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3875 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3876 			0x3f00},
3877 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3878 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3879 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3880 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3881 		/* Leave cl72 training enable, needed for KR */
3882 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3883 	};
3884 
3885 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3886 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3887 				 reg_set[i].val);
3888 
3889 	lane = bnx2x_get_warpcore_lane(phy, params);
3890 	/* Global registers */
3891 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3892 			  MDIO_AER_BLOCK_AER_REG, 0);
3893 	/* Disable CL36 PCS Tx */
3894 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3895 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3896 	val16 &= ~(0x0011 << lane);
3897 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3898 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3899 
3900 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3901 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3902 	val16 |= (0x0303 << (lane << 1));
3903 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3904 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3905 	/* Restore AER */
3906 	bnx2x_set_aer_mmd(params, phy);
3907 	/* Set speed via PMA/PMD register */
3908 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3909 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3910 
3911 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3912 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3913 
3914 	/* Enable encoded forced speed */
3915 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3916 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3917 
3918 	/* Turn TX scramble payload only the 64/66 scrambler */
3919 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3920 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3921 
3922 	/* Turn RX scramble payload only the 64/66 scrambler */
3923 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3924 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3925 
3926 	/* Set and clear loopback to cause a reset to 64/66 decoder */
3927 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3928 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3929 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3930 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3931 
3932 }
3933 
3934 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3935 				       struct link_params *params,
3936 				       u8 is_xfi)
3937 {
3938 	struct bnx2x *bp = params->bp;
3939 	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3940 	u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3941 	u32 ifir_val, ipost2_val, ipre_driver_val;
3942 
3943 	/* Hold rxSeqStart */
3944 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3945 				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3946 
3947 	/* Hold tx_fifo_reset */
3948 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3949 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3950 
3951 	/* Disable CL73 AN */
3952 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3953 
3954 	/* Disable 100FX Enable and Auto-Detect */
3955 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3956 				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3957 
3958 	/* Disable 100FX Idle detect */
3959 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3960 				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3961 
3962 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3963 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3964 				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3965 
3966 	/* Turn off auto-detect & fiber mode */
3967 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3968 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3969 				  0xFFEE);
3970 
3971 	/* Set filter_force_link, disable_false_link and parallel_detect */
3972 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3973 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3974 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3975 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3976 			 ((val | 0x0006) & 0xFFFE));
3977 
3978 	/* Set XFI / SFI */
3979 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3980 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3981 
3982 	misc1_val &= ~(0x1f);
3983 
3984 	if (is_xfi) {
3985 		misc1_val |= 0x5;
3986 		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
3987 		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
3988 	} else {
3989 		cfg_tap_val = REG_RD(bp, params->shmem_base +
3990 				     offsetof(struct shmem_region, dev_info.
3991 					      port_hw_config[params->port].
3992 					      sfi_tap_values));
3993 
3994 		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
3995 
3996 		misc1_val |= 0x9;
3997 
3998 		/* TAP values are controlled by nvram, if value there isn't 0 */
3999 		if (tx_equal)
4000 			tap_val = (u16)tx_equal;
4001 		else
4002 			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4003 
4004 		ifir_val = DEFAULT_TX_DRV_IFIR;
4005 		ipost2_val = DEFAULT_TX_DRV_POST2;
4006 		ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
4007 		tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
4008 
4009 		/* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
4010 		 * configuration.
4011 		 */
4012 		if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
4013 				   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
4014 				   PORT_HW_CFG_TX_DRV_POST2_MASK)) {
4015 			ifir_val = (cfg_tap_val &
4016 				    PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
4017 				PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
4018 			ipre_driver_val = (cfg_tap_val &
4019 					   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
4020 			>> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
4021 			ipost2_val = (cfg_tap_val &
4022 				      PORT_HW_CFG_TX_DRV_POST2_MASK) >>
4023 				PORT_HW_CFG_TX_DRV_POST2_SHIFT;
4024 		}
4025 
4026 		if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
4027 			tx_drv_brdct = (cfg_tap_val &
4028 					PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4029 				PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4030 		}
4031 
4032 		tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
4033 					     ipre_driver_val, ifir_val);
4034 	}
4035 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4036 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4037 
4038 	/* Set Transmit PMD settings */
4039 	lane = bnx2x_get_warpcore_lane(phy, params);
4040 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4041 			 MDIO_WC_REG_TX_FIR_TAP,
4042 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4043 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4044 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4045 			 tx_driver_val);
4046 
4047 	/* Enable fiber mode, enable and invert sig_det */
4048 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4049 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4050 
4051 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4052 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4053 				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4054 
4055 	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4056 
4057 	/* 10G XFI Full Duplex */
4058 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4059 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4060 
4061 	/* Release tx_fifo_reset */
4062 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4063 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4064 				  0xFFFE);
4065 	/* Release rxSeqStart */
4066 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4067 				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4068 }
4069 
4070 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4071 					     struct link_params *params)
4072 {
4073 	u16 val;
4074 	struct bnx2x *bp = params->bp;
4075 	/* Set global registers, so set AER lane to 0 */
4076 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4077 			  MDIO_AER_BLOCK_AER_REG, 0);
4078 
4079 	/* Disable sequencer */
4080 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4081 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4082 
4083 	bnx2x_set_aer_mmd(params, phy);
4084 
4085 	bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4086 				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4087 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4088 			 MDIO_AN_REG_CTRL, 0);
4089 	/* Turn off CL73 */
4090 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4091 			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4092 	val &= ~(1<<5);
4093 	val |= (1<<6);
4094 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4095 			 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4096 
4097 	/* Set 20G KR2 force speed */
4098 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4099 				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4100 
4101 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4102 				 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4103 
4104 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4105 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4106 	val &= ~(3<<14);
4107 	val |= (1<<15);
4108 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4109 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4110 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4111 			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4112 
4113 	/* Enable sequencer (over lane 0) */
4114 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4115 			  MDIO_AER_BLOCK_AER_REG, 0);
4116 
4117 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4118 				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4119 
4120 	bnx2x_set_aer_mmd(params, phy);
4121 }
4122 
4123 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4124 					 struct bnx2x_phy *phy,
4125 					 u16 lane)
4126 {
4127 	/* Rx0 anaRxControl1G */
4128 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4129 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4130 
4131 	/* Rx2 anaRxControl1G */
4132 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4133 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4134 
4135 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4136 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4137 
4138 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4139 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4140 
4141 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4142 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4143 
4144 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4145 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4146 
4147 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4148 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4149 
4150 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4151 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4152 
4153 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4154 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4155 
4156 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4157 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4158 
4159 	/* Serdes Digital Misc1 */
4160 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4161 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4162 
4163 	/* Serdes Digital4 Misc3 */
4164 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4165 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4166 
4167 	/* Set Transmit PMD settings */
4168 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169 			 MDIO_WC_REG_TX_FIR_TAP,
4170 			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4171 			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4172 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4173 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4174 			 WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
4175 }
4176 
4177 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4178 					   struct link_params *params,
4179 					   u8 fiber_mode,
4180 					   u8 always_autoneg)
4181 {
4182 	struct bnx2x *bp = params->bp;
4183 	u16 val16, digctrl_kx1, digctrl_kx2;
4184 
4185 	/* Clear XFI clock comp in non-10G single lane mode. */
4186 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4187 				  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4188 
4189 	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4190 
4191 	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4192 		/* SGMII Autoneg */
4193 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4194 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4195 					 0x1000);
4196 		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4197 	} else {
4198 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4199 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4200 		val16 &= 0xcebf;
4201 		switch (phy->req_line_speed) {
4202 		case SPEED_10:
4203 			break;
4204 		case SPEED_100:
4205 			val16 |= 0x2000;
4206 			break;
4207 		case SPEED_1000:
4208 			val16 |= 0x0040;
4209 			break;
4210 		default:
4211 			DP(NETIF_MSG_LINK,
4212 			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4213 			return;
4214 		}
4215 
4216 		if (phy->req_duplex == DUPLEX_FULL)
4217 			val16 |= 0x0100;
4218 
4219 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4220 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4221 
4222 		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4223 			       phy->req_line_speed);
4224 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4225 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4226 		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4227 	}
4228 
4229 	/* SGMII Slave mode and disable signal detect */
4230 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4231 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4232 	if (fiber_mode)
4233 		digctrl_kx1 = 1;
4234 	else
4235 		digctrl_kx1 &= 0xff4a;
4236 
4237 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4238 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4239 			digctrl_kx1);
4240 
4241 	/* Turn off parallel detect */
4242 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4243 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4244 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4245 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4246 			(digctrl_kx2 & ~(1<<2)));
4247 
4248 	/* Re-enable parallel detect */
4249 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4250 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4251 			(digctrl_kx2 | (1<<2)));
4252 
4253 	/* Enable autodet */
4254 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4255 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4256 			(digctrl_kx1 | 0x10));
4257 }
4258 
4259 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4260 				      struct bnx2x_phy *phy,
4261 				      u8 reset)
4262 {
4263 	u16 val;
4264 	/* Take lane out of reset after configuration is finished */
4265 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4266 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4267 	if (reset)
4268 		val |= 0xC000;
4269 	else
4270 		val &= 0x3FFF;
4271 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4272 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4273 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4274 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4275 }
4276 /* Clear SFI/XFI link settings registers */
4277 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4278 				      struct link_params *params,
4279 				      u16 lane)
4280 {
4281 	struct bnx2x *bp = params->bp;
4282 	u16 i;
4283 	static struct bnx2x_reg_set wc_regs[] = {
4284 		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4285 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4286 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4287 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4288 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4289 			0x0195},
4290 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4291 			0x0007},
4292 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4293 			0x0002},
4294 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4295 		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4296 		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4297 		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4298 	};
4299 	/* Set XFI clock comp as default. */
4300 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4301 				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4302 
4303 	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4304 		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4305 				 wc_regs[i].val);
4306 
4307 	lane = bnx2x_get_warpcore_lane(phy, params);
4308 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4309 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4310 
4311 }
4312 
4313 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4314 						u32 chip_id,
4315 						u32 shmem_base, u8 port,
4316 						u8 *gpio_num, u8 *gpio_port)
4317 {
4318 	u32 cfg_pin;
4319 	*gpio_num = 0;
4320 	*gpio_port = 0;
4321 	if (CHIP_IS_E3(bp)) {
4322 		cfg_pin = (REG_RD(bp, shmem_base +
4323 				offsetof(struct shmem_region,
4324 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4325 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4326 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4327 
4328 		/* Should not happen. This function called upon interrupt
4329 		 * triggered by GPIO ( since EPIO can only generate interrupts
4330 		 * to MCP).
4331 		 * So if this function was called and none of the GPIOs was set,
4332 		 * it means the shit hit the fan.
4333 		 */
4334 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4335 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4336 			DP(NETIF_MSG_LINK,
4337 			   "No cfg pin %x for module detect indication\n",
4338 			   cfg_pin);
4339 			return -EINVAL;
4340 		}
4341 
4342 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4343 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4344 	} else {
4345 		*gpio_num = MISC_REGISTERS_GPIO_3;
4346 		*gpio_port = port;
4347 	}
4348 
4349 	return 0;
4350 }
4351 
4352 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4353 				       struct link_params *params)
4354 {
4355 	struct bnx2x *bp = params->bp;
4356 	u8 gpio_num, gpio_port;
4357 	u32 gpio_val;
4358 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4359 				      params->shmem_base, params->port,
4360 				      &gpio_num, &gpio_port) != 0)
4361 		return 0;
4362 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4363 
4364 	/* Call the handling function in case module is detected */
4365 	if (gpio_val == 0)
4366 		return 1;
4367 	else
4368 		return 0;
4369 }
4370 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4371 				     struct link_params *params)
4372 {
4373 	u16 gp2_status_reg0, lane;
4374 	struct bnx2x *bp = params->bp;
4375 
4376 	lane = bnx2x_get_warpcore_lane(phy, params);
4377 
4378 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4379 				 &gp2_status_reg0);
4380 
4381 	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4382 }
4383 
4384 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4385 					  struct link_params *params,
4386 					  struct link_vars *vars)
4387 {
4388 	struct bnx2x *bp = params->bp;
4389 	u32 serdes_net_if;
4390 	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4391 
4392 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4393 
4394 	if (!vars->turn_to_run_wc_rt)
4395 		return;
4396 
4397 	if (vars->rx_tx_asic_rst) {
4398 		u16 lane = bnx2x_get_warpcore_lane(phy, params);
4399 		serdes_net_if = (REG_RD(bp, params->shmem_base +
4400 				offsetof(struct shmem_region, dev_info.
4401 				port_hw_config[params->port].default_cfg)) &
4402 				PORT_HW_CFG_NET_SERDES_IF_MASK);
4403 
4404 		switch (serdes_net_if) {
4405 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4406 			/* Do we get link yet? */
4407 			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4408 					&gp_status1);
4409 			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4410 				/*10G KR*/
4411 			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4412 
4413 			if (lnkup_kr || lnkup) {
4414 				vars->rx_tx_asic_rst = 0;
4415 			} else {
4416 				/* Reset the lane to see if link comes up.*/
4417 				bnx2x_warpcore_reset_lane(bp, phy, 1);
4418 				bnx2x_warpcore_reset_lane(bp, phy, 0);
4419 
4420 				/* Restart Autoneg */
4421 				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4422 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4423 
4424 				vars->rx_tx_asic_rst--;
4425 				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4426 				vars->rx_tx_asic_rst);
4427 			}
4428 			break;
4429 
4430 		default:
4431 			break;
4432 		}
4433 
4434 	} /*params->rx_tx_asic_rst*/
4435 
4436 }
4437 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4438 				      struct link_params *params)
4439 {
4440 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4441 	struct bnx2x *bp = params->bp;
4442 	bnx2x_warpcore_clear_regs(phy, params, lane);
4443 	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4444 	     SPEED_10000) &&
4445 	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4446 		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4447 		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4448 	} else {
4449 		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4450 		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4451 	}
4452 }
4453 
4454 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4455 					 struct bnx2x_phy *phy,
4456 					 u8 tx_en)
4457 {
4458 	struct bnx2x *bp = params->bp;
4459 	u32 cfg_pin;
4460 	u8 port = params->port;
4461 
4462 	cfg_pin = REG_RD(bp, params->shmem_base +
4463 			 offsetof(struct shmem_region,
4464 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4465 		PORT_HW_CFG_E3_TX_LASER_MASK;
4466 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4467 	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4468 
4469 	/* For 20G, the expected pin to be used is 3 pins after the current */
4470 	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4471 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4472 		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4473 }
4474 
4475 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4476 				       struct link_params *params,
4477 				       struct link_vars *vars)
4478 {
4479 	struct bnx2x *bp = params->bp;
4480 	u32 serdes_net_if;
4481 	u8 fiber_mode;
4482 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4483 	serdes_net_if = (REG_RD(bp, params->shmem_base +
4484 			 offsetof(struct shmem_region, dev_info.
4485 				  port_hw_config[params->port].default_cfg)) &
4486 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4487 	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4488 			   "serdes_net_if = 0x%x\n",
4489 		       vars->line_speed, serdes_net_if);
4490 	bnx2x_set_aer_mmd(params, phy);
4491 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4492 	vars->phy_flags |= PHY_XGXS_FLAG;
4493 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4494 	    (phy->req_line_speed &&
4495 	     ((phy->req_line_speed == SPEED_100) ||
4496 	      (phy->req_line_speed == SPEED_10)))) {
4497 		vars->phy_flags |= PHY_SGMII_FLAG;
4498 		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4499 		bnx2x_warpcore_clear_regs(phy, params, lane);
4500 		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4501 	} else {
4502 		switch (serdes_net_if) {
4503 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4504 			/* Enable KR Auto Neg */
4505 			if (params->loopback_mode != LOOPBACK_EXT)
4506 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4507 			else {
4508 				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4509 				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4510 			}
4511 			break;
4512 
4513 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4514 			bnx2x_warpcore_clear_regs(phy, params, lane);
4515 			if (vars->line_speed == SPEED_10000) {
4516 				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4517 				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4518 			} else {
4519 				if (SINGLE_MEDIA_DIRECT(params)) {
4520 					DP(NETIF_MSG_LINK, "1G Fiber\n");
4521 					fiber_mode = 1;
4522 				} else {
4523 					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4524 					fiber_mode = 0;
4525 				}
4526 				bnx2x_warpcore_set_sgmii_speed(phy,
4527 								params,
4528 								fiber_mode,
4529 								0);
4530 			}
4531 
4532 			break;
4533 
4534 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4535 			/* Issue Module detection if module is plugged, or
4536 			 * enabled transmitter to avoid current leakage in case
4537 			 * no module is connected
4538 			 */
4539 			if ((params->loopback_mode == LOOPBACK_NONE) ||
4540 			    (params->loopback_mode == LOOPBACK_EXT)) {
4541 				if (bnx2x_is_sfp_module_plugged(phy, params))
4542 					bnx2x_sfp_module_detection(phy, params);
4543 				else
4544 					bnx2x_sfp_e3_set_transmitter(params,
4545 								     phy, 1);
4546 			}
4547 
4548 			bnx2x_warpcore_config_sfi(phy, params);
4549 			break;
4550 
4551 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4552 			if (vars->line_speed != SPEED_20000) {
4553 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4554 				return;
4555 			}
4556 			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4557 			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4558 			/* Issue Module detection */
4559 
4560 			bnx2x_sfp_module_detection(phy, params);
4561 			break;
4562 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4563 			if (!params->loopback_mode) {
4564 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4565 			} else {
4566 				DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4567 				bnx2x_warpcore_set_20G_force_KR2(phy, params);
4568 			}
4569 			break;
4570 		default:
4571 			DP(NETIF_MSG_LINK,
4572 			   "Unsupported Serdes Net Interface 0x%x\n",
4573 			   serdes_net_if);
4574 			return;
4575 		}
4576 	}
4577 
4578 	/* Take lane out of reset after configuration is finished */
4579 	bnx2x_warpcore_reset_lane(bp, phy, 0);
4580 	DP(NETIF_MSG_LINK, "Exit config init\n");
4581 }
4582 
4583 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4584 				      struct link_params *params)
4585 {
4586 	struct bnx2x *bp = params->bp;
4587 	u16 val16, lane;
4588 	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4589 	bnx2x_set_mdio_emac_per_phy(bp, params);
4590 	bnx2x_set_aer_mmd(params, phy);
4591 	/* Global register */
4592 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4593 
4594 	/* Clear loopback settings (if any) */
4595 	/* 10G & 20G */
4596 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4597 				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4598 
4599 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4600 				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4601 
4602 	/* Update those 1-copy registers */
4603 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4604 			  MDIO_AER_BLOCK_AER_REG, 0);
4605 	/* Enable 1G MDIO (1-copy) */
4606 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4607 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4608 				  ~0x10);
4609 
4610 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4611 				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4612 	lane = bnx2x_get_warpcore_lane(phy, params);
4613 	/* Disable CL36 PCS Tx */
4614 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4615 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4616 	val16 |= (0x11 << lane);
4617 	if (phy->flags & FLAGS_WC_DUAL_MODE)
4618 		val16 |= (0x22 << lane);
4619 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4620 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4621 
4622 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4623 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4624 	val16 &= ~(0x0303 << (lane << 1));
4625 	val16 |= (0x0101 << (lane << 1));
4626 	if (phy->flags & FLAGS_WC_DUAL_MODE) {
4627 		val16 &= ~(0x0c0c << (lane << 1));
4628 		val16 |= (0x0404 << (lane << 1));
4629 	}
4630 
4631 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4632 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4633 	/* Restore AER */
4634 	bnx2x_set_aer_mmd(params, phy);
4635 
4636 }
4637 
4638 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4639 					struct link_params *params)
4640 {
4641 	struct bnx2x *bp = params->bp;
4642 	u16 val16;
4643 	u32 lane;
4644 	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4645 		       params->loopback_mode, phy->req_line_speed);
4646 
4647 	if (phy->req_line_speed < SPEED_10000 ||
4648 	    phy->supported & SUPPORTED_20000baseKR2_Full) {
4649 		/* 10/100/1000/20G-KR2 */
4650 
4651 		/* Update those 1-copy registers */
4652 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4653 				  MDIO_AER_BLOCK_AER_REG, 0);
4654 		/* Enable 1G MDIO (1-copy) */
4655 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4656 					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4657 					 0x10);
4658 		/* Set 1G loopback based on lane (1-copy) */
4659 		lane = bnx2x_get_warpcore_lane(phy, params);
4660 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4661 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4662 		val16 |= (1<<lane);
4663 		if (phy->flags & FLAGS_WC_DUAL_MODE)
4664 			val16 |= (2<<lane);
4665 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4666 				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4667 				 val16);
4668 
4669 		/* Switch back to 4-copy registers */
4670 		bnx2x_set_aer_mmd(params, phy);
4671 	} else {
4672 		/* 10G / 20G-DXGXS */
4673 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4674 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4675 					 0x4000);
4676 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4677 					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4678 	}
4679 }
4680 
4681 
4682 
4683 static void bnx2x_sync_link(struct link_params *params,
4684 			     struct link_vars *vars)
4685 {
4686 	struct bnx2x *bp = params->bp;
4687 	u8 link_10g_plus;
4688 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4689 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4690 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4691 	if (vars->link_up) {
4692 		DP(NETIF_MSG_LINK, "phy link up\n");
4693 
4694 		vars->phy_link_up = 1;
4695 		vars->duplex = DUPLEX_FULL;
4696 		switch (vars->link_status &
4697 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4698 		case LINK_10THD:
4699 			vars->duplex = DUPLEX_HALF;
4700 			/* Fall thru */
4701 		case LINK_10TFD:
4702 			vars->line_speed = SPEED_10;
4703 			break;
4704 
4705 		case LINK_100TXHD:
4706 			vars->duplex = DUPLEX_HALF;
4707 			/* Fall thru */
4708 		case LINK_100T4:
4709 		case LINK_100TXFD:
4710 			vars->line_speed = SPEED_100;
4711 			break;
4712 
4713 		case LINK_1000THD:
4714 			vars->duplex = DUPLEX_HALF;
4715 			/* Fall thru */
4716 		case LINK_1000TFD:
4717 			vars->line_speed = SPEED_1000;
4718 			break;
4719 
4720 		case LINK_2500THD:
4721 			vars->duplex = DUPLEX_HALF;
4722 			/* Fall thru */
4723 		case LINK_2500TFD:
4724 			vars->line_speed = SPEED_2500;
4725 			break;
4726 
4727 		case LINK_10GTFD:
4728 			vars->line_speed = SPEED_10000;
4729 			break;
4730 		case LINK_20GTFD:
4731 			vars->line_speed = SPEED_20000;
4732 			break;
4733 		default:
4734 			break;
4735 		}
4736 		vars->flow_ctrl = 0;
4737 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4738 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4739 
4740 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4741 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4742 
4743 		if (!vars->flow_ctrl)
4744 			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4745 
4746 		if (vars->line_speed &&
4747 		    ((vars->line_speed == SPEED_10) ||
4748 		     (vars->line_speed == SPEED_100))) {
4749 			vars->phy_flags |= PHY_SGMII_FLAG;
4750 		} else {
4751 			vars->phy_flags &= ~PHY_SGMII_FLAG;
4752 		}
4753 		if (vars->line_speed &&
4754 		    USES_WARPCORE(bp) &&
4755 		    (vars->line_speed == SPEED_1000))
4756 			vars->phy_flags |= PHY_SGMII_FLAG;
4757 		/* Anything 10 and over uses the bmac */
4758 		link_10g_plus = (vars->line_speed >= SPEED_10000);
4759 
4760 		if (link_10g_plus) {
4761 			if (USES_WARPCORE(bp))
4762 				vars->mac_type = MAC_TYPE_XMAC;
4763 			else
4764 				vars->mac_type = MAC_TYPE_BMAC;
4765 		} else {
4766 			if (USES_WARPCORE(bp))
4767 				vars->mac_type = MAC_TYPE_UMAC;
4768 			else
4769 				vars->mac_type = MAC_TYPE_EMAC;
4770 		}
4771 	} else { /* Link down */
4772 		DP(NETIF_MSG_LINK, "phy link down\n");
4773 
4774 		vars->phy_link_up = 0;
4775 
4776 		vars->line_speed = 0;
4777 		vars->duplex = DUPLEX_FULL;
4778 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4779 
4780 		/* Indicate no mac active */
4781 		vars->mac_type = MAC_TYPE_NONE;
4782 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4783 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4784 		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4785 			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4786 	}
4787 }
4788 
4789 void bnx2x_link_status_update(struct link_params *params,
4790 			      struct link_vars *vars)
4791 {
4792 	struct bnx2x *bp = params->bp;
4793 	u8 port = params->port;
4794 	u32 sync_offset, media_types;
4795 	/* Update PHY configuration */
4796 	set_phy_vars(params, vars);
4797 
4798 	vars->link_status = REG_RD(bp, params->shmem_base +
4799 				   offsetof(struct shmem_region,
4800 					    port_mb[port].link_status));
4801 
4802 	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4803 	if (params->loopback_mode != LOOPBACK_NONE &&
4804 	    params->loopback_mode != LOOPBACK_EXT)
4805 		vars->link_status |= LINK_STATUS_LINK_UP;
4806 
4807 	if (bnx2x_eee_has_cap(params))
4808 		vars->eee_status = REG_RD(bp, params->shmem2_base +
4809 					  offsetof(struct shmem2_region,
4810 						   eee_status[params->port]));
4811 
4812 	vars->phy_flags = PHY_XGXS_FLAG;
4813 	bnx2x_sync_link(params, vars);
4814 	/* Sync media type */
4815 	sync_offset = params->shmem_base +
4816 			offsetof(struct shmem_region,
4817 				 dev_info.port_hw_config[port].media_type);
4818 	media_types = REG_RD(bp, sync_offset);
4819 
4820 	params->phy[INT_PHY].media_type =
4821 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4822 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4823 	params->phy[EXT_PHY1].media_type =
4824 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4825 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4826 	params->phy[EXT_PHY2].media_type =
4827 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4828 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4829 	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4830 
4831 	/* Sync AEU offset */
4832 	sync_offset = params->shmem_base +
4833 			offsetof(struct shmem_region,
4834 				 dev_info.port_hw_config[port].aeu_int_mask);
4835 
4836 	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4837 
4838 	/* Sync PFC status */
4839 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4840 		params->feature_config_flags |=
4841 					FEATURE_CONFIG_PFC_ENABLED;
4842 	else
4843 		params->feature_config_flags &=
4844 					~FEATURE_CONFIG_PFC_ENABLED;
4845 
4846 	if (SHMEM2_HAS(bp, link_attr_sync))
4847 		params->link_attr_sync = SHMEM2_RD(bp,
4848 						 link_attr_sync[params->port]);
4849 
4850 	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4851 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4852 	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4853 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4854 }
4855 
4856 static void bnx2x_set_master_ln(struct link_params *params,
4857 				struct bnx2x_phy *phy)
4858 {
4859 	struct bnx2x *bp = params->bp;
4860 	u16 new_master_ln, ser_lane;
4861 	ser_lane = ((params->lane_config &
4862 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4863 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4864 
4865 	/* Set the master_ln for AN */
4866 	CL22_RD_OVER_CL45(bp, phy,
4867 			  MDIO_REG_BANK_XGXS_BLOCK2,
4868 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4869 			  &new_master_ln);
4870 
4871 	CL22_WR_OVER_CL45(bp, phy,
4872 			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4873 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4874 			  (new_master_ln | ser_lane));
4875 }
4876 
4877 static int bnx2x_reset_unicore(struct link_params *params,
4878 			       struct bnx2x_phy *phy,
4879 			       u8 set_serdes)
4880 {
4881 	struct bnx2x *bp = params->bp;
4882 	u16 mii_control;
4883 	u16 i;
4884 	CL22_RD_OVER_CL45(bp, phy,
4885 			  MDIO_REG_BANK_COMBO_IEEE0,
4886 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4887 
4888 	/* Reset the unicore */
4889 	CL22_WR_OVER_CL45(bp, phy,
4890 			  MDIO_REG_BANK_COMBO_IEEE0,
4891 			  MDIO_COMBO_IEEE0_MII_CONTROL,
4892 			  (mii_control |
4893 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4894 	if (set_serdes)
4895 		bnx2x_set_serdes_access(bp, params->port);
4896 
4897 	/* Wait for the reset to self clear */
4898 	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4899 		udelay(5);
4900 
4901 		/* The reset erased the previous bank value */
4902 		CL22_RD_OVER_CL45(bp, phy,
4903 				  MDIO_REG_BANK_COMBO_IEEE0,
4904 				  MDIO_COMBO_IEEE0_MII_CONTROL,
4905 				  &mii_control);
4906 
4907 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4908 			udelay(5);
4909 			return 0;
4910 		}
4911 	}
4912 
4913 	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4914 			      " Port %d\n",
4915 			 params->port);
4916 	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4917 	return -EINVAL;
4918 
4919 }
4920 
4921 static void bnx2x_set_swap_lanes(struct link_params *params,
4922 				 struct bnx2x_phy *phy)
4923 {
4924 	struct bnx2x *bp = params->bp;
4925 	/* Each two bits represents a lane number:
4926 	 * No swap is 0123 => 0x1b no need to enable the swap
4927 	 */
4928 	u16 rx_lane_swap, tx_lane_swap;
4929 
4930 	rx_lane_swap = ((params->lane_config &
4931 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4932 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4933 	tx_lane_swap = ((params->lane_config &
4934 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4935 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4936 
4937 	if (rx_lane_swap != 0x1b) {
4938 		CL22_WR_OVER_CL45(bp, phy,
4939 				  MDIO_REG_BANK_XGXS_BLOCK2,
4940 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4941 				  (rx_lane_swap |
4942 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4943 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4944 	} else {
4945 		CL22_WR_OVER_CL45(bp, phy,
4946 				  MDIO_REG_BANK_XGXS_BLOCK2,
4947 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4948 	}
4949 
4950 	if (tx_lane_swap != 0x1b) {
4951 		CL22_WR_OVER_CL45(bp, phy,
4952 				  MDIO_REG_BANK_XGXS_BLOCK2,
4953 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4954 				  (tx_lane_swap |
4955 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4956 	} else {
4957 		CL22_WR_OVER_CL45(bp, phy,
4958 				  MDIO_REG_BANK_XGXS_BLOCK2,
4959 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4960 	}
4961 }
4962 
4963 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4964 					 struct link_params *params)
4965 {
4966 	struct bnx2x *bp = params->bp;
4967 	u16 control2;
4968 	CL22_RD_OVER_CL45(bp, phy,
4969 			  MDIO_REG_BANK_SERDES_DIGITAL,
4970 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4971 			  &control2);
4972 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4973 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4974 	else
4975 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4976 	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4977 		phy->speed_cap_mask, control2);
4978 	CL22_WR_OVER_CL45(bp, phy,
4979 			  MDIO_REG_BANK_SERDES_DIGITAL,
4980 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4981 			  control2);
4982 
4983 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4984 	     (phy->speed_cap_mask &
4985 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4986 		DP(NETIF_MSG_LINK, "XGXS\n");
4987 
4988 		CL22_WR_OVER_CL45(bp, phy,
4989 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4990 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4991 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4992 
4993 		CL22_RD_OVER_CL45(bp, phy,
4994 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4995 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4996 				  &control2);
4997 
4998 
4999 		control2 |=
5000 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5001 
5002 		CL22_WR_OVER_CL45(bp, phy,
5003 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5004 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5005 				  control2);
5006 
5007 		/* Disable parallel detection of HiG */
5008 		CL22_WR_OVER_CL45(bp, phy,
5009 				  MDIO_REG_BANK_XGXS_BLOCK2,
5010 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5011 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5012 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5013 	}
5014 }
5015 
5016 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
5017 			      struct link_params *params,
5018 			      struct link_vars *vars,
5019 			      u8 enable_cl73)
5020 {
5021 	struct bnx2x *bp = params->bp;
5022 	u16 reg_val;
5023 
5024 	/* CL37 Autoneg */
5025 	CL22_RD_OVER_CL45(bp, phy,
5026 			  MDIO_REG_BANK_COMBO_IEEE0,
5027 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5028 
5029 	/* CL37 Autoneg Enabled */
5030 	if (vars->line_speed == SPEED_AUTO_NEG)
5031 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5032 	else /* CL37 Autoneg Disabled */
5033 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5034 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5035 
5036 	CL22_WR_OVER_CL45(bp, phy,
5037 			  MDIO_REG_BANK_COMBO_IEEE0,
5038 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5039 
5040 	/* Enable/Disable Autodetection */
5041 
5042 	CL22_RD_OVER_CL45(bp, phy,
5043 			  MDIO_REG_BANK_SERDES_DIGITAL,
5044 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5045 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5046 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5047 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5048 	if (vars->line_speed == SPEED_AUTO_NEG)
5049 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5050 	else
5051 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5052 
5053 	CL22_WR_OVER_CL45(bp, phy,
5054 			  MDIO_REG_BANK_SERDES_DIGITAL,
5055 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5056 
5057 	/* Enable TetonII and BAM autoneg */
5058 	CL22_RD_OVER_CL45(bp, phy,
5059 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5060 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5061 			  &reg_val);
5062 	if (vars->line_speed == SPEED_AUTO_NEG) {
5063 		/* Enable BAM aneg Mode and TetonII aneg Mode */
5064 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5065 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5066 	} else {
5067 		/* TetonII and BAM Autoneg Disabled */
5068 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5069 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5070 	}
5071 	CL22_WR_OVER_CL45(bp, phy,
5072 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5073 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5074 			  reg_val);
5075 
5076 	if (enable_cl73) {
5077 		/* Enable Cl73 FSM status bits */
5078 		CL22_WR_OVER_CL45(bp, phy,
5079 				  MDIO_REG_BANK_CL73_USERB0,
5080 				  MDIO_CL73_USERB0_CL73_UCTRL,
5081 				  0xe);
5082 
5083 		/* Enable BAM Station Manager*/
5084 		CL22_WR_OVER_CL45(bp, phy,
5085 			MDIO_REG_BANK_CL73_USERB0,
5086 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5087 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5088 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5089 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5090 
5091 		/* Advertise CL73 link speeds */
5092 		CL22_RD_OVER_CL45(bp, phy,
5093 				  MDIO_REG_BANK_CL73_IEEEB1,
5094 				  MDIO_CL73_IEEEB1_AN_ADV2,
5095 				  &reg_val);
5096 		if (phy->speed_cap_mask &
5097 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5098 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5099 		if (phy->speed_cap_mask &
5100 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5101 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5102 
5103 		CL22_WR_OVER_CL45(bp, phy,
5104 				  MDIO_REG_BANK_CL73_IEEEB1,
5105 				  MDIO_CL73_IEEEB1_AN_ADV2,
5106 				  reg_val);
5107 
5108 		/* CL73 Autoneg Enabled */
5109 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5110 
5111 	} else /* CL73 Autoneg Disabled */
5112 		reg_val = 0;
5113 
5114 	CL22_WR_OVER_CL45(bp, phy,
5115 			  MDIO_REG_BANK_CL73_IEEEB0,
5116 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5117 }
5118 
5119 /* Program SerDes, forced speed */
5120 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5121 				 struct link_params *params,
5122 				 struct link_vars *vars)
5123 {
5124 	struct bnx2x *bp = params->bp;
5125 	u16 reg_val;
5126 
5127 	/* Program duplex, disable autoneg and sgmii*/
5128 	CL22_RD_OVER_CL45(bp, phy,
5129 			  MDIO_REG_BANK_COMBO_IEEE0,
5130 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5131 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5132 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5133 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5134 	if (phy->req_duplex == DUPLEX_FULL)
5135 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5136 	CL22_WR_OVER_CL45(bp, phy,
5137 			  MDIO_REG_BANK_COMBO_IEEE0,
5138 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5139 
5140 	/* Program speed
5141 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5142 	 */
5143 	CL22_RD_OVER_CL45(bp, phy,
5144 			  MDIO_REG_BANK_SERDES_DIGITAL,
5145 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5146 	/* Clearing the speed value before setting the right speed */
5147 	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5148 
5149 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5150 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5151 
5152 	if (!((vars->line_speed == SPEED_1000) ||
5153 	      (vars->line_speed == SPEED_100) ||
5154 	      (vars->line_speed == SPEED_10))) {
5155 
5156 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5157 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5158 		if (vars->line_speed == SPEED_10000)
5159 			reg_val |=
5160 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5161 	}
5162 
5163 	CL22_WR_OVER_CL45(bp, phy,
5164 			  MDIO_REG_BANK_SERDES_DIGITAL,
5165 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5166 
5167 }
5168 
5169 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5170 					      struct link_params *params)
5171 {
5172 	struct bnx2x *bp = params->bp;
5173 	u16 val = 0;
5174 
5175 	/* Set extended capabilities */
5176 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5177 		val |= MDIO_OVER_1G_UP1_2_5G;
5178 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5179 		val |= MDIO_OVER_1G_UP1_10G;
5180 	CL22_WR_OVER_CL45(bp, phy,
5181 			  MDIO_REG_BANK_OVER_1G,
5182 			  MDIO_OVER_1G_UP1, val);
5183 
5184 	CL22_WR_OVER_CL45(bp, phy,
5185 			  MDIO_REG_BANK_OVER_1G,
5186 			  MDIO_OVER_1G_UP3, 0x400);
5187 }
5188 
5189 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5190 					      struct link_params *params,
5191 					      u16 ieee_fc)
5192 {
5193 	struct bnx2x *bp = params->bp;
5194 	u16 val;
5195 	/* For AN, we are always publishing full duplex */
5196 
5197 	CL22_WR_OVER_CL45(bp, phy,
5198 			  MDIO_REG_BANK_COMBO_IEEE0,
5199 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5200 	CL22_RD_OVER_CL45(bp, phy,
5201 			  MDIO_REG_BANK_CL73_IEEEB1,
5202 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5203 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5204 	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5205 	CL22_WR_OVER_CL45(bp, phy,
5206 			  MDIO_REG_BANK_CL73_IEEEB1,
5207 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5208 }
5209 
5210 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5211 				  struct link_params *params,
5212 				  u8 enable_cl73)
5213 {
5214 	struct bnx2x *bp = params->bp;
5215 	u16 mii_control;
5216 
5217 	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5218 	/* Enable and restart BAM/CL37 aneg */
5219 
5220 	if (enable_cl73) {
5221 		CL22_RD_OVER_CL45(bp, phy,
5222 				  MDIO_REG_BANK_CL73_IEEEB0,
5223 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5224 				  &mii_control);
5225 
5226 		CL22_WR_OVER_CL45(bp, phy,
5227 				  MDIO_REG_BANK_CL73_IEEEB0,
5228 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5229 				  (mii_control |
5230 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5231 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5232 	} else {
5233 
5234 		CL22_RD_OVER_CL45(bp, phy,
5235 				  MDIO_REG_BANK_COMBO_IEEE0,
5236 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5237 				  &mii_control);
5238 		DP(NETIF_MSG_LINK,
5239 			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5240 			 mii_control);
5241 		CL22_WR_OVER_CL45(bp, phy,
5242 				  MDIO_REG_BANK_COMBO_IEEE0,
5243 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5244 				  (mii_control |
5245 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5246 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5247 	}
5248 }
5249 
5250 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5251 					   struct link_params *params,
5252 					   struct link_vars *vars)
5253 {
5254 	struct bnx2x *bp = params->bp;
5255 	u16 control1;
5256 
5257 	/* In SGMII mode, the unicore is always slave */
5258 
5259 	CL22_RD_OVER_CL45(bp, phy,
5260 			  MDIO_REG_BANK_SERDES_DIGITAL,
5261 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5262 			  &control1);
5263 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5264 	/* Set sgmii mode (and not fiber) */
5265 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5266 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5267 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5268 	CL22_WR_OVER_CL45(bp, phy,
5269 			  MDIO_REG_BANK_SERDES_DIGITAL,
5270 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5271 			  control1);
5272 
5273 	/* If forced speed */
5274 	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5275 		/* Set speed, disable autoneg */
5276 		u16 mii_control;
5277 
5278 		CL22_RD_OVER_CL45(bp, phy,
5279 				  MDIO_REG_BANK_COMBO_IEEE0,
5280 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5281 				  &mii_control);
5282 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5283 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5284 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5285 
5286 		switch (vars->line_speed) {
5287 		case SPEED_100:
5288 			mii_control |=
5289 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5290 			break;
5291 		case SPEED_1000:
5292 			mii_control |=
5293 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5294 			break;
5295 		case SPEED_10:
5296 			/* There is nothing to set for 10M */
5297 			break;
5298 		default:
5299 			/* Invalid speed for SGMII */
5300 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5301 				  vars->line_speed);
5302 			break;
5303 		}
5304 
5305 		/* Setting the full duplex */
5306 		if (phy->req_duplex == DUPLEX_FULL)
5307 			mii_control |=
5308 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5309 		CL22_WR_OVER_CL45(bp, phy,
5310 				  MDIO_REG_BANK_COMBO_IEEE0,
5311 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5312 				  mii_control);
5313 
5314 	} else { /* AN mode */
5315 		/* Enable and restart AN */
5316 		bnx2x_restart_autoneg(phy, params, 0);
5317 	}
5318 }
5319 
5320 /* Link management
5321  */
5322 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5323 					     struct link_params *params)
5324 {
5325 	struct bnx2x *bp = params->bp;
5326 	u16 pd_10g, status2_1000x;
5327 	if (phy->req_line_speed != SPEED_AUTO_NEG)
5328 		return 0;
5329 	CL22_RD_OVER_CL45(bp, phy,
5330 			  MDIO_REG_BANK_SERDES_DIGITAL,
5331 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5332 			  &status2_1000x);
5333 	CL22_RD_OVER_CL45(bp, phy,
5334 			  MDIO_REG_BANK_SERDES_DIGITAL,
5335 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5336 			  &status2_1000x);
5337 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5338 		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5339 			 params->port);
5340 		return 1;
5341 	}
5342 
5343 	CL22_RD_OVER_CL45(bp, phy,
5344 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5345 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5346 			  &pd_10g);
5347 
5348 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5349 		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5350 			 params->port);
5351 		return 1;
5352 	}
5353 	return 0;
5354 }
5355 
5356 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5357 				struct link_params *params,
5358 				struct link_vars *vars,
5359 				u32 gp_status)
5360 {
5361 	u16 ld_pause;   /* local driver */
5362 	u16 lp_pause;   /* link partner */
5363 	u16 pause_result;
5364 	struct bnx2x *bp = params->bp;
5365 	if ((gp_status &
5366 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5367 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5368 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5369 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5370 
5371 		CL22_RD_OVER_CL45(bp, phy,
5372 				  MDIO_REG_BANK_CL73_IEEEB1,
5373 				  MDIO_CL73_IEEEB1_AN_ADV1,
5374 				  &ld_pause);
5375 		CL22_RD_OVER_CL45(bp, phy,
5376 				  MDIO_REG_BANK_CL73_IEEEB1,
5377 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5378 				  &lp_pause);
5379 		pause_result = (ld_pause &
5380 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5381 		pause_result |= (lp_pause &
5382 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5383 		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5384 	} else {
5385 		CL22_RD_OVER_CL45(bp, phy,
5386 				  MDIO_REG_BANK_COMBO_IEEE0,
5387 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5388 				  &ld_pause);
5389 		CL22_RD_OVER_CL45(bp, phy,
5390 			MDIO_REG_BANK_COMBO_IEEE0,
5391 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5392 			&lp_pause);
5393 		pause_result = (ld_pause &
5394 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5395 		pause_result |= (lp_pause &
5396 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5397 		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5398 	}
5399 	bnx2x_pause_resolve(vars, pause_result);
5400 
5401 }
5402 
5403 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5404 				    struct link_params *params,
5405 				    struct link_vars *vars,
5406 				    u32 gp_status)
5407 {
5408 	struct bnx2x *bp = params->bp;
5409 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5410 
5411 	/* Resolve from gp_status in case of AN complete and not sgmii */
5412 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5413 		/* Update the advertised flow-controled of LD/LP in AN */
5414 		if (phy->req_line_speed == SPEED_AUTO_NEG)
5415 			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5416 		/* But set the flow-control result as the requested one */
5417 		vars->flow_ctrl = phy->req_flow_ctrl;
5418 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5419 		vars->flow_ctrl = params->req_fc_auto_adv;
5420 	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5421 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5422 		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5423 			vars->flow_ctrl = params->req_fc_auto_adv;
5424 			return;
5425 		}
5426 		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5427 	}
5428 	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5429 }
5430 
5431 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5432 					 struct link_params *params)
5433 {
5434 	struct bnx2x *bp = params->bp;
5435 	u16 rx_status, ustat_val, cl37_fsm_received;
5436 	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5437 	/* Step 1: Make sure signal is detected */
5438 	CL22_RD_OVER_CL45(bp, phy,
5439 			  MDIO_REG_BANK_RX0,
5440 			  MDIO_RX0_RX_STATUS,
5441 			  &rx_status);
5442 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5443 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5444 		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5445 			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5446 		CL22_WR_OVER_CL45(bp, phy,
5447 				  MDIO_REG_BANK_CL73_IEEEB0,
5448 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5449 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5450 		return;
5451 	}
5452 	/* Step 2: Check CL73 state machine */
5453 	CL22_RD_OVER_CL45(bp, phy,
5454 			  MDIO_REG_BANK_CL73_USERB0,
5455 			  MDIO_CL73_USERB0_CL73_USTAT1,
5456 			  &ustat_val);
5457 	if ((ustat_val &
5458 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5459 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5460 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5461 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5462 		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5463 			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5464 		return;
5465 	}
5466 	/* Step 3: Check CL37 Message Pages received to indicate LP
5467 	 * supports only CL37
5468 	 */
5469 	CL22_RD_OVER_CL45(bp, phy,
5470 			  MDIO_REG_BANK_REMOTE_PHY,
5471 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5472 			  &cl37_fsm_received);
5473 	if ((cl37_fsm_received &
5474 	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5475 	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5476 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5477 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5478 		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5479 			     "misc_rx_status(0x8330) = 0x%x\n",
5480 			 cl37_fsm_received);
5481 		return;
5482 	}
5483 	/* The combined cl37/cl73 fsm state information indicating that
5484 	 * we are connected to a device which does not support cl73, but
5485 	 * does support cl37 BAM. In this case we disable cl73 and
5486 	 * restart cl37 auto-neg
5487 	 */
5488 
5489 	/* Disable CL73 */
5490 	CL22_WR_OVER_CL45(bp, phy,
5491 			  MDIO_REG_BANK_CL73_IEEEB0,
5492 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5493 			  0);
5494 	/* Restart CL37 autoneg */
5495 	bnx2x_restart_autoneg(phy, params, 0);
5496 	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5497 }
5498 
5499 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5500 				  struct link_params *params,
5501 				  struct link_vars *vars,
5502 				  u32 gp_status)
5503 {
5504 	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5505 		vars->link_status |=
5506 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5507 
5508 	if (bnx2x_direct_parallel_detect_used(phy, params))
5509 		vars->link_status |=
5510 			LINK_STATUS_PARALLEL_DETECTION_USED;
5511 }
5512 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5513 				     struct link_params *params,
5514 				      struct link_vars *vars,
5515 				      u16 is_link_up,
5516 				      u16 speed_mask,
5517 				      u16 is_duplex)
5518 {
5519 	struct bnx2x *bp = params->bp;
5520 	if (phy->req_line_speed == SPEED_AUTO_NEG)
5521 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5522 	if (is_link_up) {
5523 		DP(NETIF_MSG_LINK, "phy link up\n");
5524 
5525 		vars->phy_link_up = 1;
5526 		vars->link_status |= LINK_STATUS_LINK_UP;
5527 
5528 		switch (speed_mask) {
5529 		case GP_STATUS_10M:
5530 			vars->line_speed = SPEED_10;
5531 			if (is_duplex == DUPLEX_FULL)
5532 				vars->link_status |= LINK_10TFD;
5533 			else
5534 				vars->link_status |= LINK_10THD;
5535 			break;
5536 
5537 		case GP_STATUS_100M:
5538 			vars->line_speed = SPEED_100;
5539 			if (is_duplex == DUPLEX_FULL)
5540 				vars->link_status |= LINK_100TXFD;
5541 			else
5542 				vars->link_status |= LINK_100TXHD;
5543 			break;
5544 
5545 		case GP_STATUS_1G:
5546 		case GP_STATUS_1G_KX:
5547 			vars->line_speed = SPEED_1000;
5548 			if (is_duplex == DUPLEX_FULL)
5549 				vars->link_status |= LINK_1000TFD;
5550 			else
5551 				vars->link_status |= LINK_1000THD;
5552 			break;
5553 
5554 		case GP_STATUS_2_5G:
5555 			vars->line_speed = SPEED_2500;
5556 			if (is_duplex == DUPLEX_FULL)
5557 				vars->link_status |= LINK_2500TFD;
5558 			else
5559 				vars->link_status |= LINK_2500THD;
5560 			break;
5561 
5562 		case GP_STATUS_5G:
5563 		case GP_STATUS_6G:
5564 			DP(NETIF_MSG_LINK,
5565 				 "link speed unsupported  gp_status 0x%x\n",
5566 				  speed_mask);
5567 			return -EINVAL;
5568 
5569 		case GP_STATUS_10G_KX4:
5570 		case GP_STATUS_10G_HIG:
5571 		case GP_STATUS_10G_CX4:
5572 		case GP_STATUS_10G_KR:
5573 		case GP_STATUS_10G_SFI:
5574 		case GP_STATUS_10G_XFI:
5575 			vars->line_speed = SPEED_10000;
5576 			vars->link_status |= LINK_10GTFD;
5577 			break;
5578 		case GP_STATUS_20G_DXGXS:
5579 		case GP_STATUS_20G_KR2:
5580 			vars->line_speed = SPEED_20000;
5581 			vars->link_status |= LINK_20GTFD;
5582 			break;
5583 		default:
5584 			DP(NETIF_MSG_LINK,
5585 				  "link speed unsupported gp_status 0x%x\n",
5586 				  speed_mask);
5587 			return -EINVAL;
5588 		}
5589 	} else { /* link_down */
5590 		DP(NETIF_MSG_LINK, "phy link down\n");
5591 
5592 		vars->phy_link_up = 0;
5593 
5594 		vars->duplex = DUPLEX_FULL;
5595 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5596 		vars->mac_type = MAC_TYPE_NONE;
5597 	}
5598 	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5599 		    vars->phy_link_up, vars->line_speed);
5600 	return 0;
5601 }
5602 
5603 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5604 				      struct link_params *params,
5605 				      struct link_vars *vars)
5606 {
5607 	struct bnx2x *bp = params->bp;
5608 
5609 	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5610 	int rc = 0;
5611 
5612 	/* Read gp_status */
5613 	CL22_RD_OVER_CL45(bp, phy,
5614 			  MDIO_REG_BANK_GP_STATUS,
5615 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5616 			  &gp_status);
5617 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5618 		duplex = DUPLEX_FULL;
5619 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5620 		link_up = 1;
5621 	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5622 	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5623 		       gp_status, link_up, speed_mask);
5624 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5625 					 duplex);
5626 	if (rc == -EINVAL)
5627 		return rc;
5628 
5629 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5630 		if (SINGLE_MEDIA_DIRECT(params)) {
5631 			vars->duplex = duplex;
5632 			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5633 			if (phy->req_line_speed == SPEED_AUTO_NEG)
5634 				bnx2x_xgxs_an_resolve(phy, params, vars,
5635 						      gp_status);
5636 		}
5637 	} else { /* Link_down */
5638 		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5639 		    SINGLE_MEDIA_DIRECT(params)) {
5640 			/* Check signal is detected */
5641 			bnx2x_check_fallback_to_cl37(phy, params);
5642 		}
5643 	}
5644 
5645 	/* Read LP advertised speeds*/
5646 	if (SINGLE_MEDIA_DIRECT(params) &&
5647 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5648 		u16 val;
5649 
5650 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5651 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5652 
5653 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5654 			vars->link_status |=
5655 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5656 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5657 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5658 			vars->link_status |=
5659 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5660 
5661 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5662 				  MDIO_OVER_1G_LP_UP1, &val);
5663 
5664 		if (val & MDIO_OVER_1G_UP1_2_5G)
5665 			vars->link_status |=
5666 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5667 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5668 			vars->link_status |=
5669 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5670 	}
5671 
5672 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5673 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5674 	return rc;
5675 }
5676 
5677 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5678 				     struct link_params *params,
5679 				     struct link_vars *vars)
5680 {
5681 	struct bnx2x *bp = params->bp;
5682 	u8 lane;
5683 	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5684 	int rc = 0;
5685 	lane = bnx2x_get_warpcore_lane(phy, params);
5686 	/* Read gp_status */
5687 	if ((params->loopback_mode) &&
5688 	    (phy->flags & FLAGS_WC_DUAL_MODE)) {
5689 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5690 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5691 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5692 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5693 		link_up &= 0x1;
5694 	} else if ((phy->req_line_speed > SPEED_10000) &&
5695 		(phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5696 		u16 temp_link_up;
5697 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5698 				1, &temp_link_up);
5699 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5700 				1, &link_up);
5701 		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5702 			       temp_link_up, link_up);
5703 		link_up &= (1<<2);
5704 		if (link_up)
5705 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5706 	} else {
5707 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5708 				MDIO_WC_REG_GP2_STATUS_GP_2_1,
5709 				&gp_status1);
5710 		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5711 		/* Check for either KR, 1G, or AN up. */
5712 		link_up = ((gp_status1 >> 8) |
5713 			   (gp_status1 >> 12) |
5714 			   (gp_status1)) &
5715 			(1 << lane);
5716 		if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5717 			u16 an_link;
5718 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5719 					MDIO_AN_REG_STATUS, &an_link);
5720 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5721 					MDIO_AN_REG_STATUS, &an_link);
5722 			link_up |= (an_link & (1<<2));
5723 		}
5724 		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5725 			u16 pd, gp_status4;
5726 			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5727 				/* Check Autoneg complete */
5728 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5729 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5730 						&gp_status4);
5731 				if (gp_status4 & ((1<<12)<<lane))
5732 					vars->link_status |=
5733 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5734 
5735 				/* Check parallel detect used */
5736 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5737 						MDIO_WC_REG_PAR_DET_10G_STATUS,
5738 						&pd);
5739 				if (pd & (1<<15))
5740 					vars->link_status |=
5741 					LINK_STATUS_PARALLEL_DETECTION_USED;
5742 			}
5743 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5744 			vars->duplex = duplex;
5745 		}
5746 	}
5747 
5748 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5749 	    SINGLE_MEDIA_DIRECT(params)) {
5750 		u16 val;
5751 
5752 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5753 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5754 
5755 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5756 			vars->link_status |=
5757 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5758 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5759 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5760 			vars->link_status |=
5761 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5762 
5763 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5764 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5765 
5766 		if (val & MDIO_OVER_1G_UP1_2_5G)
5767 			vars->link_status |=
5768 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5769 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5770 			vars->link_status |=
5771 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5772 
5773 	}
5774 
5775 
5776 	if (lane < 2) {
5777 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5778 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5779 	} else {
5780 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5781 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5782 	}
5783 	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5784 
5785 	if ((lane & 1) == 0)
5786 		gp_speed <<= 8;
5787 	gp_speed &= 0x3f00;
5788 	link_up = !!link_up;
5789 
5790 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5791 					 duplex);
5792 
5793 	/* In case of KR link down, start up the recovering procedure */
5794 	if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5795 	    (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5796 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5797 
5798 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5799 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5800 	return rc;
5801 }
5802 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5803 {
5804 	struct bnx2x *bp = params->bp;
5805 	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5806 	u16 lp_up2;
5807 	u16 tx_driver;
5808 	u16 bank;
5809 
5810 	/* Read precomp */
5811 	CL22_RD_OVER_CL45(bp, phy,
5812 			  MDIO_REG_BANK_OVER_1G,
5813 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5814 
5815 	/* Bits [10:7] at lp_up2, positioned at [15:12] */
5816 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5817 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5818 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5819 
5820 	if (lp_up2 == 0)
5821 		return;
5822 
5823 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5824 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5825 		CL22_RD_OVER_CL45(bp, phy,
5826 				  bank,
5827 				  MDIO_TX0_TX_DRIVER, &tx_driver);
5828 
5829 		/* Replace tx_driver bits [15:12] */
5830 		if (lp_up2 !=
5831 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5832 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5833 			tx_driver |= lp_up2;
5834 			CL22_WR_OVER_CL45(bp, phy,
5835 					  bank,
5836 					  MDIO_TX0_TX_DRIVER, tx_driver);
5837 		}
5838 	}
5839 }
5840 
5841 static int bnx2x_emac_program(struct link_params *params,
5842 			      struct link_vars *vars)
5843 {
5844 	struct bnx2x *bp = params->bp;
5845 	u8 port = params->port;
5846 	u16 mode = 0;
5847 
5848 	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5849 	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5850 		       EMAC_REG_EMAC_MODE,
5851 		       (EMAC_MODE_25G_MODE |
5852 			EMAC_MODE_PORT_MII_10M |
5853 			EMAC_MODE_HALF_DUPLEX));
5854 	switch (vars->line_speed) {
5855 	case SPEED_10:
5856 		mode |= EMAC_MODE_PORT_MII_10M;
5857 		break;
5858 
5859 	case SPEED_100:
5860 		mode |= EMAC_MODE_PORT_MII;
5861 		break;
5862 
5863 	case SPEED_1000:
5864 		mode |= EMAC_MODE_PORT_GMII;
5865 		break;
5866 
5867 	case SPEED_2500:
5868 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5869 		break;
5870 
5871 	default:
5872 		/* 10G not valid for EMAC */
5873 		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5874 			   vars->line_speed);
5875 		return -EINVAL;
5876 	}
5877 
5878 	if (vars->duplex == DUPLEX_HALF)
5879 		mode |= EMAC_MODE_HALF_DUPLEX;
5880 	bnx2x_bits_en(bp,
5881 		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5882 		      mode);
5883 
5884 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5885 	return 0;
5886 }
5887 
5888 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5889 				  struct link_params *params)
5890 {
5891 
5892 	u16 bank, i = 0;
5893 	struct bnx2x *bp = params->bp;
5894 
5895 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5896 	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5897 			CL22_WR_OVER_CL45(bp, phy,
5898 					  bank,
5899 					  MDIO_RX0_RX_EQ_BOOST,
5900 					  phy->rx_preemphasis[i]);
5901 	}
5902 
5903 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5904 		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5905 			CL22_WR_OVER_CL45(bp, phy,
5906 					  bank,
5907 					  MDIO_TX0_TX_DRIVER,
5908 					  phy->tx_preemphasis[i]);
5909 	}
5910 }
5911 
5912 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5913 				   struct link_params *params,
5914 				   struct link_vars *vars)
5915 {
5916 	struct bnx2x *bp = params->bp;
5917 	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5918 			  (params->loopback_mode == LOOPBACK_XGXS));
5919 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5920 		if (SINGLE_MEDIA_DIRECT(params) &&
5921 		    (params->feature_config_flags &
5922 		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5923 			bnx2x_set_preemphasis(phy, params);
5924 
5925 		/* Forced speed requested? */
5926 		if (vars->line_speed != SPEED_AUTO_NEG ||
5927 		    (SINGLE_MEDIA_DIRECT(params) &&
5928 		     params->loopback_mode == LOOPBACK_EXT)) {
5929 			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5930 
5931 			/* Disable autoneg */
5932 			bnx2x_set_autoneg(phy, params, vars, 0);
5933 
5934 			/* Program speed and duplex */
5935 			bnx2x_program_serdes(phy, params, vars);
5936 
5937 		} else { /* AN_mode */
5938 			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5939 
5940 			/* AN enabled */
5941 			bnx2x_set_brcm_cl37_advertisement(phy, params);
5942 
5943 			/* Program duplex & pause advertisement (for aneg) */
5944 			bnx2x_set_ieee_aneg_advertisement(phy, params,
5945 							  vars->ieee_fc);
5946 
5947 			/* Enable autoneg */
5948 			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5949 
5950 			/* Enable and restart AN */
5951 			bnx2x_restart_autoneg(phy, params, enable_cl73);
5952 		}
5953 
5954 	} else { /* SGMII mode */
5955 		DP(NETIF_MSG_LINK, "SGMII\n");
5956 
5957 		bnx2x_initialize_sgmii_process(phy, params, vars);
5958 	}
5959 }
5960 
5961 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5962 			  struct link_params *params,
5963 			  struct link_vars *vars)
5964 {
5965 	int rc;
5966 	vars->phy_flags |= PHY_XGXS_FLAG;
5967 	if ((phy->req_line_speed &&
5968 	     ((phy->req_line_speed == SPEED_100) ||
5969 	      (phy->req_line_speed == SPEED_10))) ||
5970 	    (!phy->req_line_speed &&
5971 	     (phy->speed_cap_mask >=
5972 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5973 	     (phy->speed_cap_mask <
5974 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5975 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5976 		vars->phy_flags |= PHY_SGMII_FLAG;
5977 	else
5978 		vars->phy_flags &= ~PHY_SGMII_FLAG;
5979 
5980 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5981 	bnx2x_set_aer_mmd(params, phy);
5982 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5983 		bnx2x_set_master_ln(params, phy);
5984 
5985 	rc = bnx2x_reset_unicore(params, phy, 0);
5986 	/* Reset the SerDes and wait for reset bit return low */
5987 	if (rc)
5988 		return rc;
5989 
5990 	bnx2x_set_aer_mmd(params, phy);
5991 	/* Setting the masterLn_def again after the reset */
5992 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5993 		bnx2x_set_master_ln(params, phy);
5994 		bnx2x_set_swap_lanes(params, phy);
5995 	}
5996 
5997 	return rc;
5998 }
5999 
6000 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
6001 				     struct bnx2x_phy *phy,
6002 				     struct link_params *params)
6003 {
6004 	u16 cnt, ctrl;
6005 	/* Wait for soft reset to get cleared up to 1 sec */
6006 	for (cnt = 0; cnt < 1000; cnt++) {
6007 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6008 			bnx2x_cl22_read(bp, phy,
6009 				MDIO_PMA_REG_CTRL, &ctrl);
6010 		else
6011 			bnx2x_cl45_read(bp, phy,
6012 				MDIO_PMA_DEVAD,
6013 				MDIO_PMA_REG_CTRL, &ctrl);
6014 		if (!(ctrl & (1<<15)))
6015 			break;
6016 		usleep_range(1000, 2000);
6017 	}
6018 
6019 	if (cnt == 1000)
6020 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
6021 				      " Port %d\n",
6022 			 params->port);
6023 	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6024 	return cnt;
6025 }
6026 
6027 static void bnx2x_link_int_enable(struct link_params *params)
6028 {
6029 	u8 port = params->port;
6030 	u32 mask;
6031 	struct bnx2x *bp = params->bp;
6032 
6033 	/* Setting the status to report on link up for either XGXS or SerDes */
6034 	if (CHIP_IS_E3(bp)) {
6035 		mask = NIG_MASK_XGXS0_LINK_STATUS;
6036 		if (!(SINGLE_MEDIA_DIRECT(params)))
6037 			mask |= NIG_MASK_MI_INT;
6038 	} else if (params->switch_cfg == SWITCH_CFG_10G) {
6039 		mask = (NIG_MASK_XGXS0_LINK10G |
6040 			NIG_MASK_XGXS0_LINK_STATUS);
6041 		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6042 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6043 			params->phy[INT_PHY].type !=
6044 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6045 			mask |= NIG_MASK_MI_INT;
6046 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6047 		}
6048 
6049 	} else { /* SerDes */
6050 		mask = NIG_MASK_SERDES0_LINK_STATUS;
6051 		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6052 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6053 			params->phy[INT_PHY].type !=
6054 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6055 			mask |= NIG_MASK_MI_INT;
6056 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6057 		}
6058 	}
6059 	bnx2x_bits_en(bp,
6060 		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6061 		      mask);
6062 
6063 	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6064 		 (params->switch_cfg == SWITCH_CFG_10G),
6065 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6066 	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6067 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6068 		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6069 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6070 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6071 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6072 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6073 }
6074 
6075 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6076 				     u8 exp_mi_int)
6077 {
6078 	u32 latch_status = 0;
6079 
6080 	/* Disable the MI INT ( external phy int ) by writing 1 to the
6081 	 * status register. Link down indication is high-active-signal,
6082 	 * so in this case we need to write the status to clear the XOR
6083 	 */
6084 	/* Read Latched signals */
6085 	latch_status = REG_RD(bp,
6086 				    NIG_REG_LATCH_STATUS_0 + port*8);
6087 	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6088 	/* Handle only those with latched-signal=up.*/
6089 	if (exp_mi_int)
6090 		bnx2x_bits_en(bp,
6091 			      NIG_REG_STATUS_INTERRUPT_PORT0
6092 			      + port*4,
6093 			      NIG_STATUS_EMAC0_MI_INT);
6094 	else
6095 		bnx2x_bits_dis(bp,
6096 			       NIG_REG_STATUS_INTERRUPT_PORT0
6097 			       + port*4,
6098 			       NIG_STATUS_EMAC0_MI_INT);
6099 
6100 	if (latch_status & 1) {
6101 
6102 		/* For all latched-signal=up : Re-Arm Latch signals */
6103 		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6104 		       (latch_status & 0xfffe) | (latch_status & 1));
6105 	}
6106 	/* For all latched-signal=up,Write original_signal to status */
6107 }
6108 
6109 static void bnx2x_link_int_ack(struct link_params *params,
6110 			       struct link_vars *vars, u8 is_10g_plus)
6111 {
6112 	struct bnx2x *bp = params->bp;
6113 	u8 port = params->port;
6114 	u32 mask;
6115 	/* First reset all status we assume only one line will be
6116 	 * change at a time
6117 	 */
6118 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6119 		       (NIG_STATUS_XGXS0_LINK10G |
6120 			NIG_STATUS_XGXS0_LINK_STATUS |
6121 			NIG_STATUS_SERDES0_LINK_STATUS));
6122 	if (vars->phy_link_up) {
6123 		if (USES_WARPCORE(bp))
6124 			mask = NIG_STATUS_XGXS0_LINK_STATUS;
6125 		else {
6126 			if (is_10g_plus)
6127 				mask = NIG_STATUS_XGXS0_LINK10G;
6128 			else if (params->switch_cfg == SWITCH_CFG_10G) {
6129 				/* Disable the link interrupt by writing 1 to
6130 				 * the relevant lane in the status register
6131 				 */
6132 				u32 ser_lane =
6133 					((params->lane_config &
6134 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6135 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6136 				mask = ((1 << ser_lane) <<
6137 				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6138 			} else
6139 				mask = NIG_STATUS_SERDES0_LINK_STATUS;
6140 		}
6141 		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6142 			       mask);
6143 		bnx2x_bits_en(bp,
6144 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6145 			      mask);
6146 	}
6147 }
6148 
6149 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6150 {
6151 	u8 *str_ptr = str;
6152 	u32 mask = 0xf0000000;
6153 	u8 shift = 8*4;
6154 	u8 digit;
6155 	u8 remove_leading_zeros = 1;
6156 	if (*len < 10) {
6157 		/* Need more than 10chars for this format */
6158 		*str_ptr = '\0';
6159 		(*len)--;
6160 		return -EINVAL;
6161 	}
6162 	while (shift > 0) {
6163 
6164 		shift -= 4;
6165 		digit = ((num & mask) >> shift);
6166 		if (digit == 0 && remove_leading_zeros) {
6167 			mask = mask >> 4;
6168 			continue;
6169 		} else if (digit < 0xa)
6170 			*str_ptr = digit + '0';
6171 		else
6172 			*str_ptr = digit - 0xa + 'a';
6173 		remove_leading_zeros = 0;
6174 		str_ptr++;
6175 		(*len)--;
6176 		mask = mask >> 4;
6177 		if (shift == 4*4) {
6178 			*str_ptr = '.';
6179 			str_ptr++;
6180 			(*len)--;
6181 			remove_leading_zeros = 1;
6182 		}
6183 	}
6184 	return 0;
6185 }
6186 
6187 
6188 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6189 {
6190 	str[0] = '\0';
6191 	(*len)--;
6192 	return 0;
6193 }
6194 
6195 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6196 				 u16 len)
6197 {
6198 	struct bnx2x *bp;
6199 	u32 spirom_ver = 0;
6200 	int status = 0;
6201 	u8 *ver_p = version;
6202 	u16 remain_len = len;
6203 	if (version == NULL || params == NULL)
6204 		return -EINVAL;
6205 	bp = params->bp;
6206 
6207 	/* Extract first external phy*/
6208 	version[0] = '\0';
6209 	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6210 
6211 	if (params->phy[EXT_PHY1].format_fw_ver) {
6212 		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6213 							      ver_p,
6214 							      &remain_len);
6215 		ver_p += (len - remain_len);
6216 	}
6217 	if ((params->num_phys == MAX_PHYS) &&
6218 	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6219 		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6220 		if (params->phy[EXT_PHY2].format_fw_ver) {
6221 			*ver_p = '/';
6222 			ver_p++;
6223 			remain_len--;
6224 			status |= params->phy[EXT_PHY2].format_fw_ver(
6225 				spirom_ver,
6226 				ver_p,
6227 				&remain_len);
6228 			ver_p = version + (len - remain_len);
6229 		}
6230 	}
6231 	*ver_p = '\0';
6232 	return status;
6233 }
6234 
6235 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6236 				    struct link_params *params)
6237 {
6238 	u8 port = params->port;
6239 	struct bnx2x *bp = params->bp;
6240 
6241 	if (phy->req_line_speed != SPEED_1000) {
6242 		u32 md_devad = 0;
6243 
6244 		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6245 
6246 		if (!CHIP_IS_E3(bp)) {
6247 			/* Change the uni_phy_addr in the nig */
6248 			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6249 					       port*0x18));
6250 
6251 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6252 			       0x5);
6253 		}
6254 
6255 		bnx2x_cl45_write(bp, phy,
6256 				 5,
6257 				 (MDIO_REG_BANK_AER_BLOCK +
6258 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6259 				 0x2800);
6260 
6261 		bnx2x_cl45_write(bp, phy,
6262 				 5,
6263 				 (MDIO_REG_BANK_CL73_IEEEB0 +
6264 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6265 				 0x6041);
6266 		msleep(200);
6267 		/* Set aer mmd back */
6268 		bnx2x_set_aer_mmd(params, phy);
6269 
6270 		if (!CHIP_IS_E3(bp)) {
6271 			/* And md_devad */
6272 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6273 			       md_devad);
6274 		}
6275 	} else {
6276 		u16 mii_ctrl;
6277 		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6278 		bnx2x_cl45_read(bp, phy, 5,
6279 				(MDIO_REG_BANK_COMBO_IEEE0 +
6280 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6281 				&mii_ctrl);
6282 		bnx2x_cl45_write(bp, phy, 5,
6283 				 (MDIO_REG_BANK_COMBO_IEEE0 +
6284 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6285 				 mii_ctrl |
6286 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6287 	}
6288 }
6289 
6290 int bnx2x_set_led(struct link_params *params,
6291 		  struct link_vars *vars, u8 mode, u32 speed)
6292 {
6293 	u8 port = params->port;
6294 	u16 hw_led_mode = params->hw_led_mode;
6295 	int rc = 0;
6296 	u8 phy_idx;
6297 	u32 tmp;
6298 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6299 	struct bnx2x *bp = params->bp;
6300 	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6301 	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6302 		 speed, hw_led_mode);
6303 	/* In case */
6304 	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6305 		if (params->phy[phy_idx].set_link_led) {
6306 			params->phy[phy_idx].set_link_led(
6307 				&params->phy[phy_idx], params, mode);
6308 		}
6309 	}
6310 
6311 	switch (mode) {
6312 	case LED_MODE_FRONT_PANEL_OFF:
6313 	case LED_MODE_OFF:
6314 		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6315 		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6316 		       SHARED_HW_CFG_LED_MAC1);
6317 
6318 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6319 		if (params->phy[EXT_PHY1].type ==
6320 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6321 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6322 				EMAC_LED_100MB_OVERRIDE |
6323 				EMAC_LED_10MB_OVERRIDE);
6324 		else
6325 			tmp |= EMAC_LED_OVERRIDE;
6326 
6327 		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6328 		break;
6329 
6330 	case LED_MODE_OPER:
6331 		/* For all other phys, OPER mode is same as ON, so in case
6332 		 * link is down, do nothing
6333 		 */
6334 		if (!vars->link_up)
6335 			break;
6336 	case LED_MODE_ON:
6337 		if (((params->phy[EXT_PHY1].type ==
6338 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6339 			 (params->phy[EXT_PHY1].type ==
6340 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6341 		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6342 			/* This is a work-around for E2+8727 Configurations */
6343 			if (mode == LED_MODE_ON ||
6344 				speed == SPEED_10000){
6345 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6346 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6347 
6348 				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6349 				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6350 					(tmp | EMAC_LED_OVERRIDE));
6351 				/* Return here without enabling traffic
6352 				 * LED blink and setting rate in ON mode.
6353 				 * In oper mode, enabling LED blink
6354 				 * and setting rate is needed.
6355 				 */
6356 				if (mode == LED_MODE_ON)
6357 					return rc;
6358 			}
6359 		} else if (SINGLE_MEDIA_DIRECT(params)) {
6360 			/* This is a work-around for HW issue found when link
6361 			 * is up in CL73
6362 			 */
6363 			if ((!CHIP_IS_E3(bp)) ||
6364 			    (CHIP_IS_E3(bp) &&
6365 			     mode == LED_MODE_ON))
6366 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6367 
6368 			if (CHIP_IS_E1x(bp) ||
6369 			    CHIP_IS_E2(bp) ||
6370 			    (mode == LED_MODE_ON))
6371 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6372 			else
6373 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6374 				       hw_led_mode);
6375 		} else if ((params->phy[EXT_PHY1].type ==
6376 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6377 			   (mode == LED_MODE_ON)) {
6378 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6379 			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6380 			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6381 				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6382 			/* Break here; otherwise, it'll disable the
6383 			 * intended override.
6384 			 */
6385 			break;
6386 		} else {
6387 			u32 nig_led_mode = ((params->hw_led_mode <<
6388 					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
6389 					    SHARED_HW_CFG_LED_EXTPHY2) ?
6390 				(SHARED_HW_CFG_LED_PHY1 >>
6391 				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6392 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6393 			       nig_led_mode);
6394 		}
6395 
6396 		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6397 		/* Set blinking rate to ~15.9Hz */
6398 		if (CHIP_IS_E3(bp))
6399 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6400 			       LED_BLINK_RATE_VAL_E3);
6401 		else
6402 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6403 			       LED_BLINK_RATE_VAL_E1X_E2);
6404 		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6405 		       port*4, 1);
6406 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6407 		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6408 			(tmp & (~EMAC_LED_OVERRIDE)));
6409 
6410 		if (CHIP_IS_E1(bp) &&
6411 		    ((speed == SPEED_2500) ||
6412 		     (speed == SPEED_1000) ||
6413 		     (speed == SPEED_100) ||
6414 		     (speed == SPEED_10))) {
6415 			/* For speeds less than 10G LED scheme is different */
6416 			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6417 			       + port*4, 1);
6418 			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6419 			       port*4, 0);
6420 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6421 			       port*4, 1);
6422 		}
6423 		break;
6424 
6425 	default:
6426 		rc = -EINVAL;
6427 		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6428 			 mode);
6429 		break;
6430 	}
6431 	return rc;
6432 
6433 }
6434 
6435 /* This function comes to reflect the actual link state read DIRECTLY from the
6436  * HW
6437  */
6438 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6439 		    u8 is_serdes)
6440 {
6441 	struct bnx2x *bp = params->bp;
6442 	u16 gp_status = 0, phy_index = 0;
6443 	u8 ext_phy_link_up = 0, serdes_phy_type;
6444 	struct link_vars temp_vars;
6445 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6446 
6447 	if (CHIP_IS_E3(bp)) {
6448 		u16 link_up;
6449 		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6450 		    > SPEED_10000) {
6451 			/* Check 20G link */
6452 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6453 					1, &link_up);
6454 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6455 					1, &link_up);
6456 			link_up &= (1<<2);
6457 		} else {
6458 			/* Check 10G link and below*/
6459 			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6460 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6461 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6462 					&gp_status);
6463 			gp_status = ((gp_status >> 8) & 0xf) |
6464 				((gp_status >> 12) & 0xf);
6465 			link_up = gp_status & (1 << lane);
6466 		}
6467 		if (!link_up)
6468 			return -ESRCH;
6469 	} else {
6470 		CL22_RD_OVER_CL45(bp, int_phy,
6471 			  MDIO_REG_BANK_GP_STATUS,
6472 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6473 			  &gp_status);
6474 	/* Link is up only if both local phy and external phy are up */
6475 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6476 		return -ESRCH;
6477 	}
6478 	/* In XGXS loopback mode, do not check external PHY */
6479 	if (params->loopback_mode == LOOPBACK_XGXS)
6480 		return 0;
6481 
6482 	switch (params->num_phys) {
6483 	case 1:
6484 		/* No external PHY */
6485 		return 0;
6486 	case 2:
6487 		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6488 			&params->phy[EXT_PHY1],
6489 			params, &temp_vars);
6490 		break;
6491 	case 3: /* Dual Media */
6492 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6493 		      phy_index++) {
6494 			serdes_phy_type = ((params->phy[phy_index].media_type ==
6495 					    ETH_PHY_SFPP_10G_FIBER) ||
6496 					   (params->phy[phy_index].media_type ==
6497 					    ETH_PHY_SFP_1G_FIBER) ||
6498 					   (params->phy[phy_index].media_type ==
6499 					    ETH_PHY_XFP_FIBER) ||
6500 					   (params->phy[phy_index].media_type ==
6501 					    ETH_PHY_DA_TWINAX));
6502 
6503 			if (is_serdes != serdes_phy_type)
6504 				continue;
6505 			if (params->phy[phy_index].read_status) {
6506 				ext_phy_link_up |=
6507 					params->phy[phy_index].read_status(
6508 						&params->phy[phy_index],
6509 						params, &temp_vars);
6510 			}
6511 		}
6512 		break;
6513 	}
6514 	if (ext_phy_link_up)
6515 		return 0;
6516 	return -ESRCH;
6517 }
6518 
6519 static int bnx2x_link_initialize(struct link_params *params,
6520 				 struct link_vars *vars)
6521 {
6522 	u8 phy_index, non_ext_phy;
6523 	struct bnx2x *bp = params->bp;
6524 	/* In case of external phy existence, the line speed would be the
6525 	 * line speed linked up by the external phy. In case it is direct
6526 	 * only, then the line_speed during initialization will be
6527 	 * equal to the req_line_speed
6528 	 */
6529 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6530 
6531 	/* Initialize the internal phy in case this is a direct board
6532 	 * (no external phys), or this board has external phy which requires
6533 	 * to first.
6534 	 */
6535 	if (!USES_WARPCORE(bp))
6536 		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6537 	/* init ext phy and enable link state int */
6538 	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6539 		       (params->loopback_mode == LOOPBACK_XGXS));
6540 
6541 	if (non_ext_phy ||
6542 	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6543 	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6544 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6545 		if (vars->line_speed == SPEED_AUTO_NEG &&
6546 		    (CHIP_IS_E1x(bp) ||
6547 		     CHIP_IS_E2(bp)))
6548 			bnx2x_set_parallel_detection(phy, params);
6549 		if (params->phy[INT_PHY].config_init)
6550 			params->phy[INT_PHY].config_init(phy, params, vars);
6551 	}
6552 
6553 	/* Re-read this value in case it was changed inside config_init due to
6554 	 * limitations of optic module
6555 	 */
6556 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6557 
6558 	/* Init external phy*/
6559 	if (non_ext_phy) {
6560 		if (params->phy[INT_PHY].supported &
6561 		    SUPPORTED_FIBRE)
6562 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6563 	} else {
6564 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6565 		      phy_index++) {
6566 			/* No need to initialize second phy in case of first
6567 			 * phy only selection. In case of second phy, we do
6568 			 * need to initialize the first phy, since they are
6569 			 * connected.
6570 			 */
6571 			if (params->phy[phy_index].supported &
6572 			    SUPPORTED_FIBRE)
6573 				vars->link_status |= LINK_STATUS_SERDES_LINK;
6574 
6575 			if (phy_index == EXT_PHY2 &&
6576 			    (bnx2x_phy_selection(params) ==
6577 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6578 				DP(NETIF_MSG_LINK,
6579 				   "Not initializing second phy\n");
6580 				continue;
6581 			}
6582 			params->phy[phy_index].config_init(
6583 				&params->phy[phy_index],
6584 				params, vars);
6585 		}
6586 	}
6587 	/* Reset the interrupt indication after phy was initialized */
6588 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6589 		       params->port*4,
6590 		       (NIG_STATUS_XGXS0_LINK10G |
6591 			NIG_STATUS_XGXS0_LINK_STATUS |
6592 			NIG_STATUS_SERDES0_LINK_STATUS |
6593 			NIG_MASK_MI_INT));
6594 	return 0;
6595 }
6596 
6597 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6598 				 struct link_params *params)
6599 {
6600 	/* Reset the SerDes/XGXS */
6601 	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6602 	       (0x1ff << (params->port*16)));
6603 }
6604 
6605 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6606 					struct link_params *params)
6607 {
6608 	struct bnx2x *bp = params->bp;
6609 	u8 gpio_port;
6610 	/* HW reset */
6611 	if (CHIP_IS_E2(bp))
6612 		gpio_port = BP_PATH(bp);
6613 	else
6614 		gpio_port = params->port;
6615 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6616 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6617 		       gpio_port);
6618 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6619 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6620 		       gpio_port);
6621 	DP(NETIF_MSG_LINK, "reset external PHY\n");
6622 }
6623 
6624 static int bnx2x_update_link_down(struct link_params *params,
6625 				  struct link_vars *vars)
6626 {
6627 	struct bnx2x *bp = params->bp;
6628 	u8 port = params->port;
6629 
6630 	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6631 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6632 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6633 	/* Indicate no mac active */
6634 	vars->mac_type = MAC_TYPE_NONE;
6635 
6636 	/* Update shared memory */
6637 	vars->link_status &= ~LINK_UPDATE_MASK;
6638 	vars->line_speed = 0;
6639 	bnx2x_update_mng(params, vars->link_status);
6640 
6641 	/* Activate nig drain */
6642 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6643 
6644 	/* Disable emac */
6645 	if (!CHIP_IS_E3(bp))
6646 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6647 
6648 	usleep_range(10000, 20000);
6649 	/* Reset BigMac/Xmac */
6650 	if (CHIP_IS_E1x(bp) ||
6651 	    CHIP_IS_E2(bp))
6652 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6653 
6654 	if (CHIP_IS_E3(bp)) {
6655 		/* Prevent LPI Generation by chip */
6656 		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6657 		       0);
6658 		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6659 		       0);
6660 		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6661 				      SHMEM_EEE_ACTIVE_BIT);
6662 
6663 		bnx2x_update_mng_eee(params, vars->eee_status);
6664 		bnx2x_set_xmac_rxtx(params, 0);
6665 		bnx2x_set_umac_rxtx(params, 0);
6666 	}
6667 
6668 	return 0;
6669 }
6670 
6671 static int bnx2x_update_link_up(struct link_params *params,
6672 				struct link_vars *vars,
6673 				u8 link_10g)
6674 {
6675 	struct bnx2x *bp = params->bp;
6676 	u8 phy_idx, port = params->port;
6677 	int rc = 0;
6678 
6679 	vars->link_status |= (LINK_STATUS_LINK_UP |
6680 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6681 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6682 
6683 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6684 		vars->link_status |=
6685 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6686 
6687 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6688 		vars->link_status |=
6689 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6690 	if (USES_WARPCORE(bp)) {
6691 		if (link_10g) {
6692 			if (bnx2x_xmac_enable(params, vars, 0) ==
6693 			    -ESRCH) {
6694 				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6695 				vars->link_up = 0;
6696 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6697 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6698 			}
6699 		} else
6700 			bnx2x_umac_enable(params, vars, 0);
6701 		bnx2x_set_led(params, vars,
6702 			      LED_MODE_OPER, vars->line_speed);
6703 
6704 		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6705 		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6706 			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6707 			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6708 			       (params->port << 2), 1);
6709 			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6710 			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6711 			       (params->port << 2), 0xfc20);
6712 		}
6713 	}
6714 	if ((CHIP_IS_E1x(bp) ||
6715 	     CHIP_IS_E2(bp))) {
6716 		if (link_10g) {
6717 			if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6718 			    -ESRCH) {
6719 				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6720 				vars->link_up = 0;
6721 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6722 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6723 			}
6724 
6725 			bnx2x_set_led(params, vars,
6726 				      LED_MODE_OPER, SPEED_10000);
6727 		} else {
6728 			rc = bnx2x_emac_program(params, vars);
6729 			bnx2x_emac_enable(params, vars, 0);
6730 
6731 			/* AN complete? */
6732 			if ((vars->link_status &
6733 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6734 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6735 			    SINGLE_MEDIA_DIRECT(params))
6736 				bnx2x_set_gmii_tx_driver(params);
6737 		}
6738 	}
6739 
6740 	/* PBF - link up */
6741 	if (CHIP_IS_E1x(bp))
6742 		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6743 				       vars->line_speed);
6744 
6745 	/* Disable drain */
6746 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6747 
6748 	/* Update shared memory */
6749 	bnx2x_update_mng(params, vars->link_status);
6750 	bnx2x_update_mng_eee(params, vars->eee_status);
6751 	/* Check remote fault */
6752 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6753 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6754 			bnx2x_check_half_open_conn(params, vars, 0);
6755 			break;
6756 		}
6757 	}
6758 	msleep(20);
6759 	return rc;
6760 }
6761 
6762 static void bnx2x_chng_link_count(struct link_params *params, bool clear)
6763 {
6764 	struct bnx2x *bp = params->bp;
6765 	u32 addr, val;
6766 
6767 	/* Verify the link_change_count is supported by the MFW */
6768 	if (!(SHMEM2_HAS(bp, link_change_count)))
6769 		return;
6770 
6771 	addr = params->shmem2_base +
6772 		offsetof(struct shmem2_region, link_change_count[params->port]);
6773 	if (clear)
6774 		val = 0;
6775 	else
6776 		val = REG_RD(bp, addr) + 1;
6777 	REG_WR(bp, addr, val);
6778 }
6779 
6780 /* The bnx2x_link_update function should be called upon link
6781  * interrupt.
6782  * Link is considered up as follows:
6783  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6784  *   to be up
6785  * - SINGLE_MEDIA - The link between the 577xx and the external
6786  *   phy (XGXS) need to up as well as the external link of the
6787  *   phy (PHY_EXT1)
6788  * - DUAL_MEDIA - The link between the 577xx and the first
6789  *   external phy needs to be up, and at least one of the 2
6790  *   external phy link must be up.
6791  */
6792 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6793 {
6794 	struct bnx2x *bp = params->bp;
6795 	struct link_vars phy_vars[MAX_PHYS];
6796 	u8 port = params->port;
6797 	u8 link_10g_plus, phy_index;
6798 	u32 prev_link_status = vars->link_status;
6799 	u8 ext_phy_link_up = 0, cur_link_up;
6800 	int rc = 0;
6801 	u8 is_mi_int = 0;
6802 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6803 	u8 active_external_phy = INT_PHY;
6804 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6805 	vars->link_status &= ~LINK_UPDATE_MASK;
6806 	for (phy_index = INT_PHY; phy_index < params->num_phys;
6807 	      phy_index++) {
6808 		phy_vars[phy_index].flow_ctrl = 0;
6809 		phy_vars[phy_index].link_status = 0;
6810 		phy_vars[phy_index].line_speed = 0;
6811 		phy_vars[phy_index].duplex = DUPLEX_FULL;
6812 		phy_vars[phy_index].phy_link_up = 0;
6813 		phy_vars[phy_index].link_up = 0;
6814 		phy_vars[phy_index].fault_detected = 0;
6815 		/* different consideration, since vars holds inner state */
6816 		phy_vars[phy_index].eee_status = vars->eee_status;
6817 	}
6818 
6819 	if (USES_WARPCORE(bp))
6820 		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6821 
6822 	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6823 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6824 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6825 
6826 	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6827 				port*0x18) > 0);
6828 	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6829 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6830 		 is_mi_int,
6831 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6832 
6833 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6834 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6835 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6836 
6837 	/* Disable emac */
6838 	if (!CHIP_IS_E3(bp))
6839 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6840 
6841 	/* Step 1:
6842 	 * Check external link change only for external phys, and apply
6843 	 * priority selection between them in case the link on both phys
6844 	 * is up. Note that instead of the common vars, a temporary
6845 	 * vars argument is used since each phy may have different link/
6846 	 * speed/duplex result
6847 	 */
6848 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6849 	      phy_index++) {
6850 		struct bnx2x_phy *phy = &params->phy[phy_index];
6851 		if (!phy->read_status)
6852 			continue;
6853 		/* Read link status and params of this ext phy */
6854 		cur_link_up = phy->read_status(phy, params,
6855 					       &phy_vars[phy_index]);
6856 		if (cur_link_up) {
6857 			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6858 				   phy_index);
6859 		} else {
6860 			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6861 				   phy_index);
6862 			continue;
6863 		}
6864 
6865 		if (!ext_phy_link_up) {
6866 			ext_phy_link_up = 1;
6867 			active_external_phy = phy_index;
6868 		} else {
6869 			switch (bnx2x_phy_selection(params)) {
6870 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6871 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6872 			/* In this option, the first PHY makes sure to pass the
6873 			 * traffic through itself only.
6874 			 * Its not clear how to reset the link on the second phy
6875 			 */
6876 				active_external_phy = EXT_PHY1;
6877 				break;
6878 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6879 			/* In this option, the first PHY makes sure to pass the
6880 			 * traffic through the second PHY.
6881 			 */
6882 				active_external_phy = EXT_PHY2;
6883 				break;
6884 			default:
6885 			/* Link indication on both PHYs with the following cases
6886 			 * is invalid:
6887 			 * - FIRST_PHY means that second phy wasn't initialized,
6888 			 * hence its link is expected to be down
6889 			 * - SECOND_PHY means that first phy should not be able
6890 			 * to link up by itself (using configuration)
6891 			 * - DEFAULT should be overriden during initialiazation
6892 			 */
6893 				DP(NETIF_MSG_LINK, "Invalid link indication"
6894 					   "mpc=0x%x. DISABLING LINK !!!\n",
6895 					   params->multi_phy_config);
6896 				ext_phy_link_up = 0;
6897 				break;
6898 			}
6899 		}
6900 	}
6901 	prev_line_speed = vars->line_speed;
6902 	/* Step 2:
6903 	 * Read the status of the internal phy. In case of
6904 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6905 	 * otherwise this is the link between the 577xx and the first
6906 	 * external phy
6907 	 */
6908 	if (params->phy[INT_PHY].read_status)
6909 		params->phy[INT_PHY].read_status(
6910 			&params->phy[INT_PHY],
6911 			params, vars);
6912 	/* The INT_PHY flow control reside in the vars. This include the
6913 	 * case where the speed or flow control are not set to AUTO.
6914 	 * Otherwise, the active external phy flow control result is set
6915 	 * to the vars. The ext_phy_line_speed is needed to check if the
6916 	 * speed is different between the internal phy and external phy.
6917 	 * This case may be result of intermediate link speed change.
6918 	 */
6919 	if (active_external_phy > INT_PHY) {
6920 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6921 		/* Link speed is taken from the XGXS. AN and FC result from
6922 		 * the external phy.
6923 		 */
6924 		vars->link_status |= phy_vars[active_external_phy].link_status;
6925 
6926 		/* if active_external_phy is first PHY and link is up - disable
6927 		 * disable TX on second external PHY
6928 		 */
6929 		if (active_external_phy == EXT_PHY1) {
6930 			if (params->phy[EXT_PHY2].phy_specific_func) {
6931 				DP(NETIF_MSG_LINK,
6932 				   "Disabling TX on EXT_PHY2\n");
6933 				params->phy[EXT_PHY2].phy_specific_func(
6934 					&params->phy[EXT_PHY2],
6935 					params, DISABLE_TX);
6936 			}
6937 		}
6938 
6939 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6940 		vars->duplex = phy_vars[active_external_phy].duplex;
6941 		if (params->phy[active_external_phy].supported &
6942 		    SUPPORTED_FIBRE)
6943 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6944 		else
6945 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6946 
6947 		vars->eee_status = phy_vars[active_external_phy].eee_status;
6948 
6949 		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6950 			   active_external_phy);
6951 	}
6952 
6953 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6954 	      phy_index++) {
6955 		if (params->phy[phy_index].flags &
6956 		    FLAGS_REARM_LATCH_SIGNAL) {
6957 			bnx2x_rearm_latch_signal(bp, port,
6958 						 phy_index ==
6959 						 active_external_phy);
6960 			break;
6961 		}
6962 	}
6963 	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6964 		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6965 		   vars->link_status, ext_phy_line_speed);
6966 	/* Upon link speed change set the NIG into drain mode. Comes to
6967 	 * deals with possible FIFO glitch due to clk change when speed
6968 	 * is decreased without link down indicator
6969 	 */
6970 
6971 	if (vars->phy_link_up) {
6972 		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6973 		    (ext_phy_line_speed != vars->line_speed)) {
6974 			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6975 				   " different than the external"
6976 				   " link speed %d\n", vars->line_speed,
6977 				   ext_phy_line_speed);
6978 			vars->phy_link_up = 0;
6979 		} else if (prev_line_speed != vars->line_speed) {
6980 			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6981 			       0);
6982 			usleep_range(1000, 2000);
6983 		}
6984 	}
6985 
6986 	/* Anything 10 and over uses the bmac */
6987 	link_10g_plus = (vars->line_speed >= SPEED_10000);
6988 
6989 	bnx2x_link_int_ack(params, vars, link_10g_plus);
6990 
6991 	/* In case external phy link is up, and internal link is down
6992 	 * (not initialized yet probably after link initialization, it
6993 	 * needs to be initialized.
6994 	 * Note that after link down-up as result of cable plug, the xgxs
6995 	 * link would probably become up again without the need
6996 	 * initialize it
6997 	 */
6998 	if (!(SINGLE_MEDIA_DIRECT(params))) {
6999 		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
7000 			   " init_preceding = %d\n", ext_phy_link_up,
7001 			   vars->phy_link_up,
7002 			   params->phy[EXT_PHY1].flags &
7003 			   FLAGS_INIT_XGXS_FIRST);
7004 		if (!(params->phy[EXT_PHY1].flags &
7005 		      FLAGS_INIT_XGXS_FIRST)
7006 		    && ext_phy_link_up && !vars->phy_link_up) {
7007 			vars->line_speed = ext_phy_line_speed;
7008 			if (vars->line_speed < SPEED_1000)
7009 				vars->phy_flags |= PHY_SGMII_FLAG;
7010 			else
7011 				vars->phy_flags &= ~PHY_SGMII_FLAG;
7012 
7013 			if (params->phy[INT_PHY].config_init)
7014 				params->phy[INT_PHY].config_init(
7015 					&params->phy[INT_PHY], params,
7016 						vars);
7017 		}
7018 	}
7019 	/* Link is up only if both local phy and external phy (in case of
7020 	 * non-direct board) are up and no fault detected on active PHY.
7021 	 */
7022 	vars->link_up = (vars->phy_link_up &&
7023 			 (ext_phy_link_up ||
7024 			  SINGLE_MEDIA_DIRECT(params)) &&
7025 			 (phy_vars[active_external_phy].fault_detected == 0));
7026 
7027 	/* Update the PFC configuration in case it was changed */
7028 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
7029 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
7030 	else
7031 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7032 
7033 	if (vars->link_up)
7034 		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
7035 	else
7036 		rc = bnx2x_update_link_down(params, vars);
7037 
7038 	if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
7039 		bnx2x_chng_link_count(params, false);
7040 
7041 	/* Update MCP link status was changed */
7042 	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7043 		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7044 
7045 	return rc;
7046 }
7047 
7048 /*****************************************************************************/
7049 /*			    External Phy section			     */
7050 /*****************************************************************************/
7051 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7052 {
7053 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7054 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7055 	usleep_range(1000, 2000);
7056 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7057 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7058 }
7059 
7060 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7061 				      u32 spirom_ver, u32 ver_addr)
7062 {
7063 	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7064 		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7065 
7066 	if (ver_addr)
7067 		REG_WR(bp, ver_addr, spirom_ver);
7068 }
7069 
7070 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7071 				      struct bnx2x_phy *phy,
7072 				      u8 port)
7073 {
7074 	u16 fw_ver1, fw_ver2;
7075 
7076 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7077 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7078 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7079 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7080 	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7081 				  phy->ver_addr);
7082 }
7083 
7084 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7085 				       struct bnx2x_phy *phy,
7086 				       struct link_vars *vars)
7087 {
7088 	u16 val;
7089 	bnx2x_cl45_read(bp, phy,
7090 			MDIO_AN_DEVAD,
7091 			MDIO_AN_REG_STATUS, &val);
7092 	bnx2x_cl45_read(bp, phy,
7093 			MDIO_AN_DEVAD,
7094 			MDIO_AN_REG_STATUS, &val);
7095 	if (val & (1<<5))
7096 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7097 	if ((val & (1<<0)) == 0)
7098 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7099 }
7100 
7101 /******************************************************************/
7102 /*		common BCM8073/BCM8727 PHY SECTION		  */
7103 /******************************************************************/
7104 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7105 				  struct link_params *params,
7106 				  struct link_vars *vars)
7107 {
7108 	struct bnx2x *bp = params->bp;
7109 	if (phy->req_line_speed == SPEED_10 ||
7110 	    phy->req_line_speed == SPEED_100) {
7111 		vars->flow_ctrl = phy->req_flow_ctrl;
7112 		return;
7113 	}
7114 
7115 	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7116 	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7117 		u16 pause_result;
7118 		u16 ld_pause;		/* local */
7119 		u16 lp_pause;		/* link partner */
7120 		bnx2x_cl45_read(bp, phy,
7121 				MDIO_AN_DEVAD,
7122 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7123 
7124 		bnx2x_cl45_read(bp, phy,
7125 				MDIO_AN_DEVAD,
7126 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7127 		pause_result = (ld_pause &
7128 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7129 		pause_result |= (lp_pause &
7130 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7131 
7132 		bnx2x_pause_resolve(vars, pause_result);
7133 		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7134 			   pause_result);
7135 	}
7136 }
7137 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7138 					     struct bnx2x_phy *phy,
7139 					     u8 port)
7140 {
7141 	u32 count = 0;
7142 	u16 fw_ver1, fw_msgout;
7143 	int rc = 0;
7144 
7145 	/* Boot port from external ROM  */
7146 	/* EDC grst */
7147 	bnx2x_cl45_write(bp, phy,
7148 			 MDIO_PMA_DEVAD,
7149 			 MDIO_PMA_REG_GEN_CTRL,
7150 			 0x0001);
7151 
7152 	/* Ucode reboot and rst */
7153 	bnx2x_cl45_write(bp, phy,
7154 			 MDIO_PMA_DEVAD,
7155 			 MDIO_PMA_REG_GEN_CTRL,
7156 			 0x008c);
7157 
7158 	bnx2x_cl45_write(bp, phy,
7159 			 MDIO_PMA_DEVAD,
7160 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7161 
7162 	/* Reset internal microprocessor */
7163 	bnx2x_cl45_write(bp, phy,
7164 			 MDIO_PMA_DEVAD,
7165 			 MDIO_PMA_REG_GEN_CTRL,
7166 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7167 
7168 	/* Release srst bit */
7169 	bnx2x_cl45_write(bp, phy,
7170 			 MDIO_PMA_DEVAD,
7171 			 MDIO_PMA_REG_GEN_CTRL,
7172 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7173 
7174 	/* Delay 100ms per the PHY specifications */
7175 	msleep(100);
7176 
7177 	/* 8073 sometimes taking longer to download */
7178 	do {
7179 		count++;
7180 		if (count > 300) {
7181 			DP(NETIF_MSG_LINK,
7182 				 "bnx2x_8073_8727_external_rom_boot port %x:"
7183 				 "Download failed. fw version = 0x%x\n",
7184 				 port, fw_ver1);
7185 			rc = -EINVAL;
7186 			break;
7187 		}
7188 
7189 		bnx2x_cl45_read(bp, phy,
7190 				MDIO_PMA_DEVAD,
7191 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7192 		bnx2x_cl45_read(bp, phy,
7193 				MDIO_PMA_DEVAD,
7194 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7195 
7196 		usleep_range(1000, 2000);
7197 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7198 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7199 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7200 
7201 	/* Clear ser_boot_ctl bit */
7202 	bnx2x_cl45_write(bp, phy,
7203 			 MDIO_PMA_DEVAD,
7204 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7205 	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7206 
7207 	DP(NETIF_MSG_LINK,
7208 		 "bnx2x_8073_8727_external_rom_boot port %x:"
7209 		 "Download complete. fw version = 0x%x\n",
7210 		 port, fw_ver1);
7211 
7212 	return rc;
7213 }
7214 
7215 /******************************************************************/
7216 /*			BCM8073 PHY SECTION			  */
7217 /******************************************************************/
7218 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7219 {
7220 	/* This is only required for 8073A1, version 102 only */
7221 	u16 val;
7222 
7223 	/* Read 8073 HW revision*/
7224 	bnx2x_cl45_read(bp, phy,
7225 			MDIO_PMA_DEVAD,
7226 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7227 
7228 	if (val != 1) {
7229 		/* No need to workaround in 8073 A1 */
7230 		return 0;
7231 	}
7232 
7233 	bnx2x_cl45_read(bp, phy,
7234 			MDIO_PMA_DEVAD,
7235 			MDIO_PMA_REG_ROM_VER2, &val);
7236 
7237 	/* SNR should be applied only for version 0x102 */
7238 	if (val != 0x102)
7239 		return 0;
7240 
7241 	return 1;
7242 }
7243 
7244 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7245 {
7246 	u16 val, cnt, cnt1 ;
7247 
7248 	bnx2x_cl45_read(bp, phy,
7249 			MDIO_PMA_DEVAD,
7250 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7251 
7252 	if (val > 0) {
7253 		/* No need to workaround in 8073 A1 */
7254 		return 0;
7255 	}
7256 	/* XAUI workaround in 8073 A0: */
7257 
7258 	/* After loading the boot ROM and restarting Autoneg, poll
7259 	 * Dev1, Reg $C820:
7260 	 */
7261 
7262 	for (cnt = 0; cnt < 1000; cnt++) {
7263 		bnx2x_cl45_read(bp, phy,
7264 				MDIO_PMA_DEVAD,
7265 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7266 				&val);
7267 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7268 		   * system initialization (XAUI work-around not required, as
7269 		   * these bits indicate 2.5G or 1G link up).
7270 		   */
7271 		if (!(val & (1<<14)) || !(val & (1<<13))) {
7272 			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7273 			return 0;
7274 		} else if (!(val & (1<<15))) {
7275 			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7276 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7277 			 * MSB (bit15) goes to 1 (indicating that the XAUI
7278 			 * workaround has completed), then continue on with
7279 			 * system initialization.
7280 			 */
7281 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7282 				bnx2x_cl45_read(bp, phy,
7283 					MDIO_PMA_DEVAD,
7284 					MDIO_PMA_REG_8073_XAUI_WA, &val);
7285 				if (val & (1<<15)) {
7286 					DP(NETIF_MSG_LINK,
7287 					  "XAUI workaround has completed\n");
7288 					return 0;
7289 				 }
7290 				 usleep_range(3000, 6000);
7291 			}
7292 			break;
7293 		}
7294 		usleep_range(3000, 6000);
7295 	}
7296 	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7297 	return -EINVAL;
7298 }
7299 
7300 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7301 {
7302 	/* Force KR or KX */
7303 	bnx2x_cl45_write(bp, phy,
7304 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7305 	bnx2x_cl45_write(bp, phy,
7306 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7307 	bnx2x_cl45_write(bp, phy,
7308 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7309 	bnx2x_cl45_write(bp, phy,
7310 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7311 }
7312 
7313 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7314 				      struct bnx2x_phy *phy,
7315 				      struct link_vars *vars)
7316 {
7317 	u16 cl37_val;
7318 	struct bnx2x *bp = params->bp;
7319 	bnx2x_cl45_read(bp, phy,
7320 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7321 
7322 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7323 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7324 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7325 	if ((vars->ieee_fc &
7326 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7327 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7328 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7329 	}
7330 	if ((vars->ieee_fc &
7331 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7332 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7333 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7334 	}
7335 	if ((vars->ieee_fc &
7336 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7337 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7338 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7339 	}
7340 	DP(NETIF_MSG_LINK,
7341 		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7342 
7343 	bnx2x_cl45_write(bp, phy,
7344 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7345 	msleep(500);
7346 }
7347 
7348 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7349 				     struct link_params *params,
7350 				     u32 action)
7351 {
7352 	struct bnx2x *bp = params->bp;
7353 	switch (action) {
7354 	case PHY_INIT:
7355 		/* Enable LASI */
7356 		bnx2x_cl45_write(bp, phy,
7357 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7358 		bnx2x_cl45_write(bp, phy,
7359 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7360 		break;
7361 	}
7362 }
7363 
7364 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7365 				  struct link_params *params,
7366 				  struct link_vars *vars)
7367 {
7368 	struct bnx2x *bp = params->bp;
7369 	u16 val = 0, tmp1;
7370 	u8 gpio_port;
7371 	DP(NETIF_MSG_LINK, "Init 8073\n");
7372 
7373 	if (CHIP_IS_E2(bp))
7374 		gpio_port = BP_PATH(bp);
7375 	else
7376 		gpio_port = params->port;
7377 	/* Restore normal power mode*/
7378 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7379 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7380 
7381 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7382 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7383 
7384 	bnx2x_8073_specific_func(phy, params, PHY_INIT);
7385 	bnx2x_8073_set_pause_cl37(params, phy, vars);
7386 
7387 	bnx2x_cl45_read(bp, phy,
7388 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7389 
7390 	bnx2x_cl45_read(bp, phy,
7391 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7392 
7393 	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7394 
7395 	/* Swap polarity if required - Must be done only in non-1G mode */
7396 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7397 		/* Configure the 8073 to swap _P and _N of the KR lines */
7398 		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7399 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7400 		bnx2x_cl45_read(bp, phy,
7401 				MDIO_PMA_DEVAD,
7402 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7403 		bnx2x_cl45_write(bp, phy,
7404 				 MDIO_PMA_DEVAD,
7405 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7406 				 (val | (3<<9)));
7407 	}
7408 
7409 
7410 	/* Enable CL37 BAM */
7411 	if (REG_RD(bp, params->shmem_base +
7412 			 offsetof(struct shmem_region, dev_info.
7413 				  port_hw_config[params->port].default_cfg)) &
7414 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7415 
7416 		bnx2x_cl45_read(bp, phy,
7417 				MDIO_AN_DEVAD,
7418 				MDIO_AN_REG_8073_BAM, &val);
7419 		bnx2x_cl45_write(bp, phy,
7420 				 MDIO_AN_DEVAD,
7421 				 MDIO_AN_REG_8073_BAM, val | 1);
7422 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7423 	}
7424 	if (params->loopback_mode == LOOPBACK_EXT) {
7425 		bnx2x_807x_force_10G(bp, phy);
7426 		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7427 		return 0;
7428 	} else {
7429 		bnx2x_cl45_write(bp, phy,
7430 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7431 	}
7432 	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7433 		if (phy->req_line_speed == SPEED_10000) {
7434 			val = (1<<7);
7435 		} else if (phy->req_line_speed ==  SPEED_2500) {
7436 			val = (1<<5);
7437 			/* Note that 2.5G works only when used with 1G
7438 			 * advertisement
7439 			 */
7440 		} else
7441 			val = (1<<5);
7442 	} else {
7443 		val = 0;
7444 		if (phy->speed_cap_mask &
7445 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7446 			val |= (1<<7);
7447 
7448 		/* Note that 2.5G works only when used with 1G advertisement */
7449 		if (phy->speed_cap_mask &
7450 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7451 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7452 			val |= (1<<5);
7453 		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7454 	}
7455 
7456 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7457 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7458 
7459 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7460 	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7461 	    (phy->req_line_speed == SPEED_2500)) {
7462 		u16 phy_ver;
7463 		/* Allow 2.5G for A1 and above */
7464 		bnx2x_cl45_read(bp, phy,
7465 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7466 				&phy_ver);
7467 		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7468 		if (phy_ver > 0)
7469 			tmp1 |= 1;
7470 		else
7471 			tmp1 &= 0xfffe;
7472 	} else {
7473 		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7474 		tmp1 &= 0xfffe;
7475 	}
7476 
7477 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7478 	/* Add support for CL37 (passive mode) II */
7479 
7480 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7481 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7482 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7483 				  0x20 : 0x40)));
7484 
7485 	/* Add support for CL37 (passive mode) III */
7486 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7487 
7488 	/* The SNR will improve about 2db by changing BW and FEE main
7489 	 * tap. Rest commands are executed after link is up
7490 	 * Change FFE main cursor to 5 in EDC register
7491 	 */
7492 	if (bnx2x_8073_is_snr_needed(bp, phy))
7493 		bnx2x_cl45_write(bp, phy,
7494 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7495 				 0xFB0C);
7496 
7497 	/* Enable FEC (Forware Error Correction) Request in the AN */
7498 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7499 	tmp1 |= (1<<15);
7500 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7501 
7502 	bnx2x_ext_phy_set_pause(params, phy, vars);
7503 
7504 	/* Restart autoneg */
7505 	msleep(500);
7506 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7507 	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7508 		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7509 	return 0;
7510 }
7511 
7512 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7513 				 struct link_params *params,
7514 				 struct link_vars *vars)
7515 {
7516 	struct bnx2x *bp = params->bp;
7517 	u8 link_up = 0;
7518 	u16 val1, val2;
7519 	u16 link_status = 0;
7520 	u16 an1000_status = 0;
7521 
7522 	bnx2x_cl45_read(bp, phy,
7523 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7524 
7525 	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7526 
7527 	/* Clear the interrupt LASI status register */
7528 	bnx2x_cl45_read(bp, phy,
7529 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7530 	bnx2x_cl45_read(bp, phy,
7531 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7532 	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7533 	/* Clear MSG-OUT */
7534 	bnx2x_cl45_read(bp, phy,
7535 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7536 
7537 	/* Check the LASI */
7538 	bnx2x_cl45_read(bp, phy,
7539 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7540 
7541 	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7542 
7543 	/* Check the link status */
7544 	bnx2x_cl45_read(bp, phy,
7545 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7546 	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7547 
7548 	bnx2x_cl45_read(bp, phy,
7549 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7550 	bnx2x_cl45_read(bp, phy,
7551 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7552 	link_up = ((val1 & 4) == 4);
7553 	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7554 
7555 	if (link_up &&
7556 	     ((phy->req_line_speed != SPEED_10000))) {
7557 		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7558 			return 0;
7559 	}
7560 	bnx2x_cl45_read(bp, phy,
7561 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7562 	bnx2x_cl45_read(bp, phy,
7563 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7564 
7565 	/* Check the link status on 1.1.2 */
7566 	bnx2x_cl45_read(bp, phy,
7567 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7568 	bnx2x_cl45_read(bp, phy,
7569 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7570 	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7571 		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7572 
7573 	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7574 	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7575 		/* The SNR will improve about 2dbby changing the BW and FEE main
7576 		 * tap. The 1st write to change FFE main tap is set before
7577 		 * restart AN. Change PLL Bandwidth in EDC register
7578 		 */
7579 		bnx2x_cl45_write(bp, phy,
7580 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7581 				 0x26BC);
7582 
7583 		/* Change CDR Bandwidth in EDC register */
7584 		bnx2x_cl45_write(bp, phy,
7585 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7586 				 0x0333);
7587 	}
7588 	bnx2x_cl45_read(bp, phy,
7589 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7590 			&link_status);
7591 
7592 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7593 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7594 		link_up = 1;
7595 		vars->line_speed = SPEED_10000;
7596 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7597 			   params->port);
7598 	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7599 		link_up = 1;
7600 		vars->line_speed = SPEED_2500;
7601 		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7602 			   params->port);
7603 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7604 		link_up = 1;
7605 		vars->line_speed = SPEED_1000;
7606 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7607 			   params->port);
7608 	} else {
7609 		link_up = 0;
7610 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7611 			   params->port);
7612 	}
7613 
7614 	if (link_up) {
7615 		/* Swap polarity if required */
7616 		if (params->lane_config &
7617 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7618 			/* Configure the 8073 to swap P and N of the KR lines */
7619 			bnx2x_cl45_read(bp, phy,
7620 					MDIO_XS_DEVAD,
7621 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7622 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7623 			 * when it`s in 10G mode.
7624 			 */
7625 			if (vars->line_speed == SPEED_1000) {
7626 				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7627 					      "the 8073\n");
7628 				val1 |= (1<<3);
7629 			} else
7630 				val1 &= ~(1<<3);
7631 
7632 			bnx2x_cl45_write(bp, phy,
7633 					 MDIO_XS_DEVAD,
7634 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7635 					 val1);
7636 		}
7637 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7638 		bnx2x_8073_resolve_fc(phy, params, vars);
7639 		vars->duplex = DUPLEX_FULL;
7640 	}
7641 
7642 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7643 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7644 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7645 
7646 		if (val1 & (1<<5))
7647 			vars->link_status |=
7648 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7649 		if (val1 & (1<<7))
7650 			vars->link_status |=
7651 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7652 	}
7653 
7654 	return link_up;
7655 }
7656 
7657 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7658 				  struct link_params *params)
7659 {
7660 	struct bnx2x *bp = params->bp;
7661 	u8 gpio_port;
7662 	if (CHIP_IS_E2(bp))
7663 		gpio_port = BP_PATH(bp);
7664 	else
7665 		gpio_port = params->port;
7666 	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7667 	   gpio_port);
7668 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7669 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7670 		       gpio_port);
7671 }
7672 
7673 /******************************************************************/
7674 /*			BCM8705 PHY SECTION			  */
7675 /******************************************************************/
7676 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7677 				  struct link_params *params,
7678 				  struct link_vars *vars)
7679 {
7680 	struct bnx2x *bp = params->bp;
7681 	DP(NETIF_MSG_LINK, "init 8705\n");
7682 	/* Restore normal power mode*/
7683 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7684 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7685 	/* HW reset */
7686 	bnx2x_ext_phy_hw_reset(bp, params->port);
7687 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7688 	bnx2x_wait_reset_complete(bp, phy, params);
7689 
7690 	bnx2x_cl45_write(bp, phy,
7691 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7692 	bnx2x_cl45_write(bp, phy,
7693 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7694 	bnx2x_cl45_write(bp, phy,
7695 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7696 	bnx2x_cl45_write(bp, phy,
7697 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7698 	/* BCM8705 doesn't have microcode, hence the 0 */
7699 	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7700 	return 0;
7701 }
7702 
7703 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7704 				 struct link_params *params,
7705 				 struct link_vars *vars)
7706 {
7707 	u8 link_up = 0;
7708 	u16 val1, rx_sd;
7709 	struct bnx2x *bp = params->bp;
7710 	DP(NETIF_MSG_LINK, "read status 8705\n");
7711 	bnx2x_cl45_read(bp, phy,
7712 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7713 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7714 
7715 	bnx2x_cl45_read(bp, phy,
7716 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7717 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7718 
7719 	bnx2x_cl45_read(bp, phy,
7720 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7721 
7722 	bnx2x_cl45_read(bp, phy,
7723 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7724 	bnx2x_cl45_read(bp, phy,
7725 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7726 
7727 	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7728 	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7729 	if (link_up) {
7730 		vars->line_speed = SPEED_10000;
7731 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7732 	}
7733 	return link_up;
7734 }
7735 
7736 /******************************************************************/
7737 /*			SFP+ module Section			  */
7738 /******************************************************************/
7739 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7740 					   struct bnx2x_phy *phy,
7741 					   u8 pmd_dis)
7742 {
7743 	struct bnx2x *bp = params->bp;
7744 	/* Disable transmitter only for bootcodes which can enable it afterwards
7745 	 * (for D3 link)
7746 	 */
7747 	if (pmd_dis) {
7748 		if (params->feature_config_flags &
7749 		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7750 			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7751 		else {
7752 			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7753 			return;
7754 		}
7755 	} else
7756 		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7757 	bnx2x_cl45_write(bp, phy,
7758 			 MDIO_PMA_DEVAD,
7759 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7760 }
7761 
7762 static u8 bnx2x_get_gpio_port(struct link_params *params)
7763 {
7764 	u8 gpio_port;
7765 	u32 swap_val, swap_override;
7766 	struct bnx2x *bp = params->bp;
7767 	if (CHIP_IS_E2(bp))
7768 		gpio_port = BP_PATH(bp);
7769 	else
7770 		gpio_port = params->port;
7771 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7772 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7773 	return gpio_port ^ (swap_val && swap_override);
7774 }
7775 
7776 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7777 					   struct bnx2x_phy *phy,
7778 					   u8 tx_en)
7779 {
7780 	u16 val;
7781 	u8 port = params->port;
7782 	struct bnx2x *bp = params->bp;
7783 	u32 tx_en_mode;
7784 
7785 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7786 	tx_en_mode = REG_RD(bp, params->shmem_base +
7787 			    offsetof(struct shmem_region,
7788 				     dev_info.port_hw_config[port].sfp_ctrl)) &
7789 		PORT_HW_CFG_TX_LASER_MASK;
7790 	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7791 			   "mode = %x\n", tx_en, port, tx_en_mode);
7792 	switch (tx_en_mode) {
7793 	case PORT_HW_CFG_TX_LASER_MDIO:
7794 
7795 		bnx2x_cl45_read(bp, phy,
7796 				MDIO_PMA_DEVAD,
7797 				MDIO_PMA_REG_PHY_IDENTIFIER,
7798 				&val);
7799 
7800 		if (tx_en)
7801 			val &= ~(1<<15);
7802 		else
7803 			val |= (1<<15);
7804 
7805 		bnx2x_cl45_write(bp, phy,
7806 				 MDIO_PMA_DEVAD,
7807 				 MDIO_PMA_REG_PHY_IDENTIFIER,
7808 				 val);
7809 	break;
7810 	case PORT_HW_CFG_TX_LASER_GPIO0:
7811 	case PORT_HW_CFG_TX_LASER_GPIO1:
7812 	case PORT_HW_CFG_TX_LASER_GPIO2:
7813 	case PORT_HW_CFG_TX_LASER_GPIO3:
7814 	{
7815 		u16 gpio_pin;
7816 		u8 gpio_port, gpio_mode;
7817 		if (tx_en)
7818 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7819 		else
7820 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7821 
7822 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7823 		gpio_port = bnx2x_get_gpio_port(params);
7824 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7825 		break;
7826 	}
7827 	default:
7828 		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7829 		break;
7830 	}
7831 }
7832 
7833 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7834 				      struct bnx2x_phy *phy,
7835 				      u8 tx_en)
7836 {
7837 	struct bnx2x *bp = params->bp;
7838 	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7839 	if (CHIP_IS_E3(bp))
7840 		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7841 	else
7842 		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7843 }
7844 
7845 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7846 					     struct link_params *params,
7847 					     u8 dev_addr, u16 addr, u8 byte_cnt,
7848 					     u8 *o_buf, u8 is_init)
7849 {
7850 	struct bnx2x *bp = params->bp;
7851 	u16 val = 0;
7852 	u16 i;
7853 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7854 		DP(NETIF_MSG_LINK,
7855 		   "Reading from eeprom is limited to 0xf\n");
7856 		return -EINVAL;
7857 	}
7858 	/* Set the read command byte count */
7859 	bnx2x_cl45_write(bp, phy,
7860 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7861 			 (byte_cnt | (dev_addr << 8)));
7862 
7863 	/* Set the read command address */
7864 	bnx2x_cl45_write(bp, phy,
7865 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7866 			 addr);
7867 
7868 	/* Activate read command */
7869 	bnx2x_cl45_write(bp, phy,
7870 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7871 			 0x2c0f);
7872 
7873 	/* Wait up to 500us for command complete status */
7874 	for (i = 0; i < 100; i++) {
7875 		bnx2x_cl45_read(bp, phy,
7876 				MDIO_PMA_DEVAD,
7877 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7878 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7879 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7880 			break;
7881 		udelay(5);
7882 	}
7883 
7884 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7885 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7886 		DP(NETIF_MSG_LINK,
7887 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7888 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7889 		return -EINVAL;
7890 	}
7891 
7892 	/* Read the buffer */
7893 	for (i = 0; i < byte_cnt; i++) {
7894 		bnx2x_cl45_read(bp, phy,
7895 				MDIO_PMA_DEVAD,
7896 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7897 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7898 	}
7899 
7900 	for (i = 0; i < 100; i++) {
7901 		bnx2x_cl45_read(bp, phy,
7902 				MDIO_PMA_DEVAD,
7903 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7904 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7905 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7906 			return 0;
7907 		usleep_range(1000, 2000);
7908 	}
7909 	return -EINVAL;
7910 }
7911 
7912 static void bnx2x_warpcore_power_module(struct link_params *params,
7913 					u8 power)
7914 {
7915 	u32 pin_cfg;
7916 	struct bnx2x *bp = params->bp;
7917 
7918 	pin_cfg = (REG_RD(bp, params->shmem_base +
7919 			  offsetof(struct shmem_region,
7920 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7921 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7922 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7923 
7924 	if (pin_cfg == PIN_CFG_NA)
7925 		return;
7926 	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7927 		       power, pin_cfg);
7928 	/* Low ==> corresponding SFP+ module is powered
7929 	 * high ==> the SFP+ module is powered down
7930 	 */
7931 	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7932 }
7933 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7934 						 struct link_params *params,
7935 						 u8 dev_addr,
7936 						 u16 addr, u8 byte_cnt,
7937 						 u8 *o_buf, u8 is_init)
7938 {
7939 	int rc = 0;
7940 	u8 i, j = 0, cnt = 0;
7941 	u32 data_array[4];
7942 	u16 addr32;
7943 	struct bnx2x *bp = params->bp;
7944 
7945 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7946 		DP(NETIF_MSG_LINK,
7947 		   "Reading from eeprom is limited to 16 bytes\n");
7948 		return -EINVAL;
7949 	}
7950 
7951 	/* 4 byte aligned address */
7952 	addr32 = addr & (~0x3);
7953 	do {
7954 		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7955 			bnx2x_warpcore_power_module(params, 0);
7956 			/* Note that 100us are not enough here */
7957 			usleep_range(1000, 2000);
7958 			bnx2x_warpcore_power_module(params, 1);
7959 		}
7960 		rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7961 				    data_array);
7962 	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7963 
7964 	if (rc == 0) {
7965 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7966 			o_buf[j] = *((u8 *)data_array + i);
7967 			j++;
7968 		}
7969 	}
7970 
7971 	return rc;
7972 }
7973 
7974 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7975 					     struct link_params *params,
7976 					     u8 dev_addr, u16 addr, u8 byte_cnt,
7977 					     u8 *o_buf, u8 is_init)
7978 {
7979 	struct bnx2x *bp = params->bp;
7980 	u16 val, i;
7981 
7982 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7983 		DP(NETIF_MSG_LINK,
7984 		   "Reading from eeprom is limited to 0xf\n");
7985 		return -EINVAL;
7986 	}
7987 
7988 	/* Set 2-wire transfer rate of SFP+ module EEPROM
7989 	 * to 100Khz since some DACs(direct attached cables) do
7990 	 * not work at 400Khz.
7991 	 */
7992 	bnx2x_cl45_write(bp, phy,
7993 			 MDIO_PMA_DEVAD,
7994 			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
7995 			 ((dev_addr << 8) | 1));
7996 
7997 	/* Need to read from 1.8000 to clear it */
7998 	bnx2x_cl45_read(bp, phy,
7999 			MDIO_PMA_DEVAD,
8000 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8001 			&val);
8002 
8003 	/* Set the read command byte count */
8004 	bnx2x_cl45_write(bp, phy,
8005 			 MDIO_PMA_DEVAD,
8006 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8007 			 ((byte_cnt < 2) ? 2 : byte_cnt));
8008 
8009 	/* Set the read command address */
8010 	bnx2x_cl45_write(bp, phy,
8011 			 MDIO_PMA_DEVAD,
8012 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8013 			 addr);
8014 	/* Set the destination address */
8015 	bnx2x_cl45_write(bp, phy,
8016 			 MDIO_PMA_DEVAD,
8017 			 0x8004,
8018 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
8019 
8020 	/* Activate read command */
8021 	bnx2x_cl45_write(bp, phy,
8022 			 MDIO_PMA_DEVAD,
8023 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8024 			 0x8002);
8025 	/* Wait appropriate time for two-wire command to finish before
8026 	 * polling the status register
8027 	 */
8028 	usleep_range(1000, 2000);
8029 
8030 	/* Wait up to 500us for command complete status */
8031 	for (i = 0; i < 100; i++) {
8032 		bnx2x_cl45_read(bp, phy,
8033 				MDIO_PMA_DEVAD,
8034 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8035 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8036 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8037 			break;
8038 		udelay(5);
8039 	}
8040 
8041 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8042 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8043 		DP(NETIF_MSG_LINK,
8044 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8045 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8046 		return -EFAULT;
8047 	}
8048 
8049 	/* Read the buffer */
8050 	for (i = 0; i < byte_cnt; i++) {
8051 		bnx2x_cl45_read(bp, phy,
8052 				MDIO_PMA_DEVAD,
8053 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8054 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8055 	}
8056 
8057 	for (i = 0; i < 100; i++) {
8058 		bnx2x_cl45_read(bp, phy,
8059 				MDIO_PMA_DEVAD,
8060 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8061 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8062 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8063 			return 0;
8064 		usleep_range(1000, 2000);
8065 	}
8066 
8067 	return -EINVAL;
8068 }
8069 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8070 				 struct link_params *params, u8 dev_addr,
8071 				 u16 addr, u16 byte_cnt, u8 *o_buf)
8072 {
8073 	int rc = 0;
8074 	struct bnx2x *bp = params->bp;
8075 	u8 xfer_size;
8076 	u8 *user_data = o_buf;
8077 	read_sfp_module_eeprom_func_p read_func;
8078 
8079 	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8080 		DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8081 		return -EINVAL;
8082 	}
8083 
8084 	switch (phy->type) {
8085 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8086 		read_func = bnx2x_8726_read_sfp_module_eeprom;
8087 		break;
8088 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8089 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8090 		read_func = bnx2x_8727_read_sfp_module_eeprom;
8091 		break;
8092 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8093 		read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8094 		break;
8095 	default:
8096 		return -EOPNOTSUPP;
8097 	}
8098 
8099 	while (!rc && (byte_cnt > 0)) {
8100 		xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8101 			SFP_EEPROM_PAGE_SIZE : byte_cnt;
8102 		rc = read_func(phy, params, dev_addr, addr, xfer_size,
8103 			       user_data, 0);
8104 		byte_cnt -= xfer_size;
8105 		user_data += xfer_size;
8106 		addr += xfer_size;
8107 	}
8108 	return rc;
8109 }
8110 
8111 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8112 			      struct link_params *params,
8113 			      u16 *edc_mode)
8114 {
8115 	struct bnx2x *bp = params->bp;
8116 	u32 sync_offset = 0, phy_idx, media_types;
8117 	u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8118 	*edc_mode = EDC_MODE_LIMITING;
8119 	phy->media_type = ETH_PHY_UNSPECIFIED;
8120 	/* First check for copper cable */
8121 	if (bnx2x_read_sfp_module_eeprom(phy,
8122 					 params,
8123 					 I2C_DEV_ADDR_A0,
8124 					 0,
8125 					 SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8126 					 (u8 *)val) != 0) {
8127 		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8128 		return -EINVAL;
8129 	}
8130 	params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8131 	params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8132 		LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8133 	bnx2x_update_link_attr(params, params->link_attr_sync);
8134 	switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
8135 	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8136 	{
8137 		u8 copper_module_type;
8138 		phy->media_type = ETH_PHY_DA_TWINAX;
8139 		/* Check if its active cable (includes SFP+ module)
8140 		 * of passive cable
8141 		 */
8142 		copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
8143 
8144 		if (copper_module_type &
8145 		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8146 			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8147 			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8148 				*edc_mode = EDC_MODE_ACTIVE_DAC;
8149 			else
8150 				check_limiting_mode = 1;
8151 		} else {
8152 			*edc_mode = EDC_MODE_PASSIVE_DAC;
8153 			/* Even in case PASSIVE_DAC indication is not set,
8154 			 * treat it as a passive DAC cable, since some cables
8155 			 * don't have this indication.
8156 			 */
8157 			if (copper_module_type &
8158 			    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8159 				DP(NETIF_MSG_LINK,
8160 				   "Passive Copper cable detected\n");
8161 			} else {
8162 				DP(NETIF_MSG_LINK,
8163 				   "Unknown copper-cable-type\n");
8164 			}
8165 		}
8166 		break;
8167 	}
8168 	case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8169 	case SFP_EEPROM_CON_TYPE_VAL_LC:
8170 	case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8171 		check_limiting_mode = 1;
8172 		if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
8173 		     (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8174 		      SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8175 		       SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
8176 		    (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
8177 			DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8178 			phy->media_type = ETH_PHY_SFP_1G_FIBER;
8179 			if (phy->req_line_speed != SPEED_1000) {
8180 				u8 gport = params->port;
8181 				phy->req_line_speed = SPEED_1000;
8182 				if (!CHIP_IS_E1x(bp)) {
8183 					gport = BP_PATH(bp) +
8184 					(params->port << 1);
8185 				}
8186 				netdev_err(bp->dev,
8187 					   "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8188 					   gport);
8189 			}
8190 			if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
8191 			    SFP_EEPROM_1G_COMP_CODE_BASE_T) {
8192 				bnx2x_sfp_set_transmitter(params, phy, 0);
8193 				msleep(40);
8194 				bnx2x_sfp_set_transmitter(params, phy, 1);
8195 			}
8196 		} else {
8197 			int idx, cfg_idx = 0;
8198 			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8199 			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8200 				if (params->phy[idx].type == phy->type) {
8201 					cfg_idx = LINK_CONFIG_IDX(idx);
8202 					break;
8203 				}
8204 			}
8205 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8206 			phy->req_line_speed = params->req_line_speed[cfg_idx];
8207 		}
8208 		break;
8209 	default:
8210 		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8211 			 val[SFP_EEPROM_CON_TYPE_ADDR]);
8212 		return -EINVAL;
8213 	}
8214 	sync_offset = params->shmem_base +
8215 		offsetof(struct shmem_region,
8216 			 dev_info.port_hw_config[params->port].media_type);
8217 	media_types = REG_RD(bp, sync_offset);
8218 	/* Update media type for non-PMF sync */
8219 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8220 		if (&(params->phy[phy_idx]) == phy) {
8221 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8222 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8223 			media_types |= ((phy->media_type &
8224 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8225 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8226 			break;
8227 		}
8228 	}
8229 	REG_WR(bp, sync_offset, media_types);
8230 	if (check_limiting_mode) {
8231 		u8 options[SFP_EEPROM_OPTIONS_SIZE];
8232 		if (bnx2x_read_sfp_module_eeprom(phy,
8233 						 params,
8234 						 I2C_DEV_ADDR_A0,
8235 						 SFP_EEPROM_OPTIONS_ADDR,
8236 						 SFP_EEPROM_OPTIONS_SIZE,
8237 						 options) != 0) {
8238 			DP(NETIF_MSG_LINK,
8239 			   "Failed to read Option field from module EEPROM\n");
8240 			return -EINVAL;
8241 		}
8242 		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8243 			*edc_mode = EDC_MODE_LINEAR;
8244 		else
8245 			*edc_mode = EDC_MODE_LIMITING;
8246 	}
8247 	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8248 	return 0;
8249 }
8250 /* This function read the relevant field from the module (SFP+), and verify it
8251  * is compliant with this board
8252  */
8253 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8254 				   struct link_params *params)
8255 {
8256 	struct bnx2x *bp = params->bp;
8257 	u32 val, cmd;
8258 	u32 fw_resp, fw_cmd_param;
8259 	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8260 	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8261 	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8262 	val = REG_RD(bp, params->shmem_base +
8263 			 offsetof(struct shmem_region, dev_info.
8264 				  port_feature_config[params->port].config));
8265 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8266 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8267 		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8268 		return 0;
8269 	}
8270 
8271 	if (params->feature_config_flags &
8272 	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8273 		/* Use specific phy request */
8274 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8275 	} else if (params->feature_config_flags &
8276 		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8277 		/* Use first phy request only in case of non-dual media*/
8278 		if (DUAL_MEDIA(params)) {
8279 			DP(NETIF_MSG_LINK,
8280 			   "FW does not support OPT MDL verification\n");
8281 			return -EINVAL;
8282 		}
8283 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8284 	} else {
8285 		/* No support in OPT MDL detection */
8286 		DP(NETIF_MSG_LINK,
8287 		   "FW does not support OPT MDL verification\n");
8288 		return -EINVAL;
8289 	}
8290 
8291 	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8292 	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8293 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8294 		DP(NETIF_MSG_LINK, "Approved module\n");
8295 		return 0;
8296 	}
8297 
8298 	/* Format the warning message */
8299 	if (bnx2x_read_sfp_module_eeprom(phy,
8300 					 params,
8301 					 I2C_DEV_ADDR_A0,
8302 					 SFP_EEPROM_VENDOR_NAME_ADDR,
8303 					 SFP_EEPROM_VENDOR_NAME_SIZE,
8304 					 (u8 *)vendor_name))
8305 		vendor_name[0] = '\0';
8306 	else
8307 		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8308 	if (bnx2x_read_sfp_module_eeprom(phy,
8309 					 params,
8310 					 I2C_DEV_ADDR_A0,
8311 					 SFP_EEPROM_PART_NO_ADDR,
8312 					 SFP_EEPROM_PART_NO_SIZE,
8313 					 (u8 *)vendor_pn))
8314 		vendor_pn[0] = '\0';
8315 	else
8316 		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8317 
8318 	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8319 			      " Port %d from %s part number %s\n",
8320 			 params->port, vendor_name, vendor_pn);
8321 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8322 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8323 		phy->flags |= FLAGS_SFP_NOT_APPROVED;
8324 	return -EINVAL;
8325 }
8326 
8327 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8328 						 struct link_params *params)
8329 
8330 {
8331 	u8 val;
8332 	int rc;
8333 	struct bnx2x *bp = params->bp;
8334 	u16 timeout;
8335 	/* Initialization time after hot-plug may take up to 300ms for
8336 	 * some phys type ( e.g. JDSU )
8337 	 */
8338 
8339 	for (timeout = 0; timeout < 60; timeout++) {
8340 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8341 			rc = bnx2x_warpcore_read_sfp_module_eeprom(
8342 				phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8343 				1);
8344 		else
8345 			rc = bnx2x_read_sfp_module_eeprom(phy, params,
8346 							  I2C_DEV_ADDR_A0,
8347 							  1, 1, &val);
8348 		if (rc == 0) {
8349 			DP(NETIF_MSG_LINK,
8350 			   "SFP+ module initialization took %d ms\n",
8351 			   timeout * 5);
8352 			return 0;
8353 		}
8354 		usleep_range(5000, 10000);
8355 	}
8356 	rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8357 					  1, 1, &val);
8358 	return rc;
8359 }
8360 
8361 static void bnx2x_8727_power_module(struct bnx2x *bp,
8362 				    struct bnx2x_phy *phy,
8363 				    u8 is_power_up) {
8364 	/* Make sure GPIOs are not using for LED mode */
8365 	u16 val;
8366 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8367 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8368 	 * output
8369 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8370 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8371 	 * where the 1st bit is the over-current(only input), and 2nd bit is
8372 	 * for power( only output )
8373 	 *
8374 	 * In case of NOC feature is disabled and power is up, set GPIO control
8375 	 *  as input to enable listening of over-current indication
8376 	 */
8377 	if (phy->flags & FLAGS_NOC)
8378 		return;
8379 	if (is_power_up)
8380 		val = (1<<4);
8381 	else
8382 		/* Set GPIO control to OUTPUT, and set the power bit
8383 		 * to according to the is_power_up
8384 		 */
8385 		val = (1<<1);
8386 
8387 	bnx2x_cl45_write(bp, phy,
8388 			 MDIO_PMA_DEVAD,
8389 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8390 			 val);
8391 }
8392 
8393 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8394 					struct bnx2x_phy *phy,
8395 					u16 edc_mode)
8396 {
8397 	u16 cur_limiting_mode;
8398 
8399 	bnx2x_cl45_read(bp, phy,
8400 			MDIO_PMA_DEVAD,
8401 			MDIO_PMA_REG_ROM_VER2,
8402 			&cur_limiting_mode);
8403 	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8404 		 cur_limiting_mode);
8405 
8406 	if (edc_mode == EDC_MODE_LIMITING) {
8407 		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8408 		bnx2x_cl45_write(bp, phy,
8409 				 MDIO_PMA_DEVAD,
8410 				 MDIO_PMA_REG_ROM_VER2,
8411 				 EDC_MODE_LIMITING);
8412 	} else { /* LRM mode ( default )*/
8413 
8414 		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8415 
8416 		/* Changing to LRM mode takes quite few seconds. So do it only
8417 		 * if current mode is limiting (default is LRM)
8418 		 */
8419 		if (cur_limiting_mode != EDC_MODE_LIMITING)
8420 			return 0;
8421 
8422 		bnx2x_cl45_write(bp, phy,
8423 				 MDIO_PMA_DEVAD,
8424 				 MDIO_PMA_REG_LRM_MODE,
8425 				 0);
8426 		bnx2x_cl45_write(bp, phy,
8427 				 MDIO_PMA_DEVAD,
8428 				 MDIO_PMA_REG_ROM_VER2,
8429 				 0x128);
8430 		bnx2x_cl45_write(bp, phy,
8431 				 MDIO_PMA_DEVAD,
8432 				 MDIO_PMA_REG_MISC_CTRL0,
8433 				 0x4008);
8434 		bnx2x_cl45_write(bp, phy,
8435 				 MDIO_PMA_DEVAD,
8436 				 MDIO_PMA_REG_LRM_MODE,
8437 				 0xaaaa);
8438 	}
8439 	return 0;
8440 }
8441 
8442 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8443 					struct bnx2x_phy *phy,
8444 					u16 edc_mode)
8445 {
8446 	u16 phy_identifier;
8447 	u16 rom_ver2_val;
8448 	bnx2x_cl45_read(bp, phy,
8449 			MDIO_PMA_DEVAD,
8450 			MDIO_PMA_REG_PHY_IDENTIFIER,
8451 			&phy_identifier);
8452 
8453 	bnx2x_cl45_write(bp, phy,
8454 			 MDIO_PMA_DEVAD,
8455 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8456 			 (phy_identifier & ~(1<<9)));
8457 
8458 	bnx2x_cl45_read(bp, phy,
8459 			MDIO_PMA_DEVAD,
8460 			MDIO_PMA_REG_ROM_VER2,
8461 			&rom_ver2_val);
8462 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8463 	bnx2x_cl45_write(bp, phy,
8464 			 MDIO_PMA_DEVAD,
8465 			 MDIO_PMA_REG_ROM_VER2,
8466 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8467 
8468 	bnx2x_cl45_write(bp, phy,
8469 			 MDIO_PMA_DEVAD,
8470 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8471 			 (phy_identifier | (1<<9)));
8472 
8473 	return 0;
8474 }
8475 
8476 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8477 				     struct link_params *params,
8478 				     u32 action)
8479 {
8480 	struct bnx2x *bp = params->bp;
8481 	u16 val;
8482 	switch (action) {
8483 	case DISABLE_TX:
8484 		bnx2x_sfp_set_transmitter(params, phy, 0);
8485 		break;
8486 	case ENABLE_TX:
8487 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8488 			bnx2x_sfp_set_transmitter(params, phy, 1);
8489 		break;
8490 	case PHY_INIT:
8491 		bnx2x_cl45_write(bp, phy,
8492 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8493 				 (1<<2) | (1<<5));
8494 		bnx2x_cl45_write(bp, phy,
8495 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8496 				 0);
8497 		bnx2x_cl45_write(bp, phy,
8498 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8499 		/* Make MOD_ABS give interrupt on change */
8500 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8501 				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8502 				&val);
8503 		val |= (1<<12);
8504 		if (phy->flags & FLAGS_NOC)
8505 			val |= (3<<5);
8506 		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8507 		 * status which reflect SFP+ module over-current
8508 		 */
8509 		if (!(phy->flags & FLAGS_NOC))
8510 			val &= 0xff8f; /* Reset bits 4-6 */
8511 		bnx2x_cl45_write(bp, phy,
8512 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8513 				 val);
8514 		break;
8515 	default:
8516 		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8517 		   action);
8518 		return;
8519 	}
8520 }
8521 
8522 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8523 					   u8 gpio_mode)
8524 {
8525 	struct bnx2x *bp = params->bp;
8526 
8527 	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8528 			    offsetof(struct shmem_region,
8529 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8530 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8531 	switch (fault_led_gpio) {
8532 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8533 		return;
8534 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8535 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8536 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8537 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8538 	{
8539 		u8 gpio_port = bnx2x_get_gpio_port(params);
8540 		u16 gpio_pin = fault_led_gpio -
8541 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8542 		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8543 				   "pin %x port %x mode %x\n",
8544 			       gpio_pin, gpio_port, gpio_mode);
8545 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8546 	}
8547 	break;
8548 	default:
8549 		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8550 			       fault_led_gpio);
8551 	}
8552 }
8553 
8554 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8555 					  u8 gpio_mode)
8556 {
8557 	u32 pin_cfg;
8558 	u8 port = params->port;
8559 	struct bnx2x *bp = params->bp;
8560 	pin_cfg = (REG_RD(bp, params->shmem_base +
8561 			 offsetof(struct shmem_region,
8562 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8563 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8564 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8565 	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8566 		       gpio_mode, pin_cfg);
8567 	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8568 }
8569 
8570 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8571 					   u8 gpio_mode)
8572 {
8573 	struct bnx2x *bp = params->bp;
8574 	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8575 	if (CHIP_IS_E3(bp)) {
8576 		/* Low ==> if SFP+ module is supported otherwise
8577 		 * High ==> if SFP+ module is not on the approved vendor list
8578 		 */
8579 		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8580 	} else
8581 		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8582 }
8583 
8584 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8585 				    struct link_params *params)
8586 {
8587 	struct bnx2x *bp = params->bp;
8588 	bnx2x_warpcore_power_module(params, 0);
8589 	/* Put Warpcore in low power mode */
8590 	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8591 
8592 	/* Put LCPLL in low power mode */
8593 	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8594 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8595 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8596 }
8597 
8598 static void bnx2x_power_sfp_module(struct link_params *params,
8599 				   struct bnx2x_phy *phy,
8600 				   u8 power)
8601 {
8602 	struct bnx2x *bp = params->bp;
8603 	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8604 
8605 	switch (phy->type) {
8606 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8607 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8608 		bnx2x_8727_power_module(params->bp, phy, power);
8609 		break;
8610 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8611 		bnx2x_warpcore_power_module(params, power);
8612 		break;
8613 	default:
8614 		break;
8615 	}
8616 }
8617 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8618 					     struct bnx2x_phy *phy,
8619 					     u16 edc_mode)
8620 {
8621 	u16 val = 0;
8622 	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8623 	struct bnx2x *bp = params->bp;
8624 
8625 	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8626 	/* This is a global register which controls all lanes */
8627 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8628 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8629 	val &= ~(0xf << (lane << 2));
8630 
8631 	switch (edc_mode) {
8632 	case EDC_MODE_LINEAR:
8633 	case EDC_MODE_LIMITING:
8634 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8635 		break;
8636 	case EDC_MODE_PASSIVE_DAC:
8637 	case EDC_MODE_ACTIVE_DAC:
8638 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8639 		break;
8640 	default:
8641 		break;
8642 	}
8643 
8644 	val |= (mode << (lane << 2));
8645 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8646 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8647 	/* A must read */
8648 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8649 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8650 
8651 	/* Restart microcode to re-read the new mode */
8652 	bnx2x_warpcore_reset_lane(bp, phy, 1);
8653 	bnx2x_warpcore_reset_lane(bp, phy, 0);
8654 
8655 }
8656 
8657 static void bnx2x_set_limiting_mode(struct link_params *params,
8658 				    struct bnx2x_phy *phy,
8659 				    u16 edc_mode)
8660 {
8661 	switch (phy->type) {
8662 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8663 		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8664 		break;
8665 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8666 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8667 		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8668 		break;
8669 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8670 		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8671 		break;
8672 	}
8673 }
8674 
8675 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8676 				      struct link_params *params)
8677 {
8678 	struct bnx2x *bp = params->bp;
8679 	u16 edc_mode;
8680 	int rc = 0;
8681 
8682 	u32 val = REG_RD(bp, params->shmem_base +
8683 			     offsetof(struct shmem_region, dev_info.
8684 				     port_feature_config[params->port].config));
8685 	/* Enabled transmitter by default */
8686 	bnx2x_sfp_set_transmitter(params, phy, 1);
8687 	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8688 		 params->port);
8689 	/* Power up module */
8690 	bnx2x_power_sfp_module(params, phy, 1);
8691 	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8692 		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8693 		return -EINVAL;
8694 	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8695 		/* Check SFP+ module compatibility */
8696 		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8697 		rc = -EINVAL;
8698 		/* Turn on fault module-detected led */
8699 		bnx2x_set_sfp_module_fault_led(params,
8700 					       MISC_REGISTERS_GPIO_HIGH);
8701 
8702 		/* Check if need to power down the SFP+ module */
8703 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8704 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8705 			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8706 			bnx2x_power_sfp_module(params, phy, 0);
8707 			return rc;
8708 		}
8709 	} else {
8710 		/* Turn off fault module-detected led */
8711 		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8712 	}
8713 
8714 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8715 	 * is done automatically
8716 	 */
8717 	bnx2x_set_limiting_mode(params, phy, edc_mode);
8718 
8719 	/* Disable transmit for this module if the module is not approved, and
8720 	 * laser needs to be disabled.
8721 	 */
8722 	if ((rc) &&
8723 	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8724 	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8725 		bnx2x_sfp_set_transmitter(params, phy, 0);
8726 
8727 	return rc;
8728 }
8729 
8730 void bnx2x_handle_module_detect_int(struct link_params *params)
8731 {
8732 	struct bnx2x *bp = params->bp;
8733 	struct bnx2x_phy *phy;
8734 	u32 gpio_val;
8735 	u8 gpio_num, gpio_port;
8736 	if (CHIP_IS_E3(bp)) {
8737 		phy = &params->phy[INT_PHY];
8738 		/* Always enable TX laser,will be disabled in case of fault */
8739 		bnx2x_sfp_set_transmitter(params, phy, 1);
8740 	} else {
8741 		phy = &params->phy[EXT_PHY1];
8742 	}
8743 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8744 				      params->port, &gpio_num, &gpio_port) ==
8745 	    -EINVAL) {
8746 		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8747 		return;
8748 	}
8749 
8750 	/* Set valid module led off */
8751 	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8752 
8753 	/* Get current gpio val reflecting module plugged in / out*/
8754 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8755 
8756 	/* Call the handling function in case module is detected */
8757 	if (gpio_val == 0) {
8758 		bnx2x_set_mdio_emac_per_phy(bp, params);
8759 		bnx2x_set_aer_mmd(params, phy);
8760 
8761 		bnx2x_power_sfp_module(params, phy, 1);
8762 		bnx2x_set_gpio_int(bp, gpio_num,
8763 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8764 				   gpio_port);
8765 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8766 			bnx2x_sfp_module_detection(phy, params);
8767 			if (CHIP_IS_E3(bp)) {
8768 				u16 rx_tx_in_reset;
8769 				/* In case WC is out of reset, reconfigure the
8770 				 * link speed while taking into account 1G
8771 				 * module limitation.
8772 				 */
8773 				bnx2x_cl45_read(bp, phy,
8774 						MDIO_WC_DEVAD,
8775 						MDIO_WC_REG_DIGITAL5_MISC6,
8776 						&rx_tx_in_reset);
8777 				if ((!rx_tx_in_reset) &&
8778 				    (params->link_flags &
8779 				     PHY_INITIALIZED)) {
8780 					bnx2x_warpcore_reset_lane(bp, phy, 1);
8781 					bnx2x_warpcore_config_sfi(phy, params);
8782 					bnx2x_warpcore_reset_lane(bp, phy, 0);
8783 				}
8784 			}
8785 		} else {
8786 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8787 		}
8788 	} else {
8789 		bnx2x_set_gpio_int(bp, gpio_num,
8790 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8791 				   gpio_port);
8792 		/* Module was plugged out.
8793 		 * Disable transmit for this module
8794 		 */
8795 		phy->media_type = ETH_PHY_NOT_PRESENT;
8796 	}
8797 }
8798 
8799 /******************************************************************/
8800 /*		Used by 8706 and 8727                             */
8801 /******************************************************************/
8802 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8803 				 struct bnx2x_phy *phy,
8804 				 u16 alarm_status_offset,
8805 				 u16 alarm_ctrl_offset)
8806 {
8807 	u16 alarm_status, val;
8808 	bnx2x_cl45_read(bp, phy,
8809 			MDIO_PMA_DEVAD, alarm_status_offset,
8810 			&alarm_status);
8811 	bnx2x_cl45_read(bp, phy,
8812 			MDIO_PMA_DEVAD, alarm_status_offset,
8813 			&alarm_status);
8814 	/* Mask or enable the fault event. */
8815 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8816 	if (alarm_status & (1<<0))
8817 		val &= ~(1<<0);
8818 	else
8819 		val |= (1<<0);
8820 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8821 }
8822 /******************************************************************/
8823 /*		common BCM8706/BCM8726 PHY SECTION		  */
8824 /******************************************************************/
8825 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8826 				      struct link_params *params,
8827 				      struct link_vars *vars)
8828 {
8829 	u8 link_up = 0;
8830 	u16 val1, val2, rx_sd, pcs_status;
8831 	struct bnx2x *bp = params->bp;
8832 	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8833 	/* Clear RX Alarm*/
8834 	bnx2x_cl45_read(bp, phy,
8835 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8836 
8837 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8838 			     MDIO_PMA_LASI_TXCTRL);
8839 
8840 	/* Clear LASI indication*/
8841 	bnx2x_cl45_read(bp, phy,
8842 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8843 	bnx2x_cl45_read(bp, phy,
8844 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8845 	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8846 
8847 	bnx2x_cl45_read(bp, phy,
8848 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8849 	bnx2x_cl45_read(bp, phy,
8850 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8851 	bnx2x_cl45_read(bp, phy,
8852 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8853 	bnx2x_cl45_read(bp, phy,
8854 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8855 
8856 	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8857 			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8858 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8859 	 * are set, or if the autoneg bit 1 is set
8860 	 */
8861 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8862 	if (link_up) {
8863 		if (val2 & (1<<1))
8864 			vars->line_speed = SPEED_1000;
8865 		else
8866 			vars->line_speed = SPEED_10000;
8867 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8868 		vars->duplex = DUPLEX_FULL;
8869 	}
8870 
8871 	/* Capture 10G link fault. Read twice to clear stale value. */
8872 	if (vars->line_speed == SPEED_10000) {
8873 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8874 			    MDIO_PMA_LASI_TXSTAT, &val1);
8875 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8876 			    MDIO_PMA_LASI_TXSTAT, &val1);
8877 		if (val1 & (1<<0))
8878 			vars->fault_detected = 1;
8879 	}
8880 
8881 	return link_up;
8882 }
8883 
8884 /******************************************************************/
8885 /*			BCM8706 PHY SECTION			  */
8886 /******************************************************************/
8887 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8888 				 struct link_params *params,
8889 				 struct link_vars *vars)
8890 {
8891 	u32 tx_en_mode;
8892 	u16 cnt, val, tmp1;
8893 	struct bnx2x *bp = params->bp;
8894 
8895 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8896 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8897 	/* HW reset */
8898 	bnx2x_ext_phy_hw_reset(bp, params->port);
8899 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8900 	bnx2x_wait_reset_complete(bp, phy, params);
8901 
8902 	/* Wait until fw is loaded */
8903 	for (cnt = 0; cnt < 100; cnt++) {
8904 		bnx2x_cl45_read(bp, phy,
8905 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8906 		if (val)
8907 			break;
8908 		usleep_range(10000, 20000);
8909 	}
8910 	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8911 	if ((params->feature_config_flags &
8912 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8913 		u8 i;
8914 		u16 reg;
8915 		for (i = 0; i < 4; i++) {
8916 			reg = MDIO_XS_8706_REG_BANK_RX0 +
8917 				i*(MDIO_XS_8706_REG_BANK_RX1 -
8918 				   MDIO_XS_8706_REG_BANK_RX0);
8919 			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8920 			/* Clear first 3 bits of the control */
8921 			val &= ~0x7;
8922 			/* Set control bits according to configuration */
8923 			val |= (phy->rx_preemphasis[i] & 0x7);
8924 			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8925 				   " reg 0x%x <-- val 0x%x\n", reg, val);
8926 			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8927 		}
8928 	}
8929 	/* Force speed */
8930 	if (phy->req_line_speed == SPEED_10000) {
8931 		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8932 
8933 		bnx2x_cl45_write(bp, phy,
8934 				 MDIO_PMA_DEVAD,
8935 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8936 		bnx2x_cl45_write(bp, phy,
8937 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8938 				 0);
8939 		/* Arm LASI for link and Tx fault. */
8940 		bnx2x_cl45_write(bp, phy,
8941 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8942 	} else {
8943 		/* Force 1Gbps using autoneg with 1G advertisement */
8944 
8945 		/* Allow CL37 through CL73 */
8946 		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8947 		bnx2x_cl45_write(bp, phy,
8948 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8949 
8950 		/* Enable Full-Duplex advertisement on CL37 */
8951 		bnx2x_cl45_write(bp, phy,
8952 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8953 		/* Enable CL37 AN */
8954 		bnx2x_cl45_write(bp, phy,
8955 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8956 		/* 1G support */
8957 		bnx2x_cl45_write(bp, phy,
8958 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8959 
8960 		/* Enable clause 73 AN */
8961 		bnx2x_cl45_write(bp, phy,
8962 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8963 		bnx2x_cl45_write(bp, phy,
8964 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8965 				 0x0400);
8966 		bnx2x_cl45_write(bp, phy,
8967 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8968 				 0x0004);
8969 	}
8970 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8971 
8972 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8973 	 * power mode, if TX Laser is disabled
8974 	 */
8975 
8976 	tx_en_mode = REG_RD(bp, params->shmem_base +
8977 			    offsetof(struct shmem_region,
8978 				dev_info.port_hw_config[params->port].sfp_ctrl))
8979 			& PORT_HW_CFG_TX_LASER_MASK;
8980 
8981 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8982 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8983 		bnx2x_cl45_read(bp, phy,
8984 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8985 		tmp1 |= 0x1;
8986 		bnx2x_cl45_write(bp, phy,
8987 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8988 	}
8989 
8990 	return 0;
8991 }
8992 
8993 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8994 				  struct link_params *params,
8995 				  struct link_vars *vars)
8996 {
8997 	return bnx2x_8706_8726_read_status(phy, params, vars);
8998 }
8999 
9000 /******************************************************************/
9001 /*			BCM8726 PHY SECTION			  */
9002 /******************************************************************/
9003 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
9004 				       struct link_params *params)
9005 {
9006 	struct bnx2x *bp = params->bp;
9007 	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
9008 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
9009 }
9010 
9011 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
9012 					 struct link_params *params)
9013 {
9014 	struct bnx2x *bp = params->bp;
9015 	/* Need to wait 100ms after reset */
9016 	msleep(100);
9017 
9018 	/* Micro controller re-boot */
9019 	bnx2x_cl45_write(bp, phy,
9020 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
9021 
9022 	/* Set soft reset */
9023 	bnx2x_cl45_write(bp, phy,
9024 			 MDIO_PMA_DEVAD,
9025 			 MDIO_PMA_REG_GEN_CTRL,
9026 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
9027 
9028 	bnx2x_cl45_write(bp, phy,
9029 			 MDIO_PMA_DEVAD,
9030 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
9031 
9032 	bnx2x_cl45_write(bp, phy,
9033 			 MDIO_PMA_DEVAD,
9034 			 MDIO_PMA_REG_GEN_CTRL,
9035 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
9036 
9037 	/* Wait for 150ms for microcode load */
9038 	msleep(150);
9039 
9040 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9041 	bnx2x_cl45_write(bp, phy,
9042 			 MDIO_PMA_DEVAD,
9043 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
9044 
9045 	msleep(200);
9046 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
9047 }
9048 
9049 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9050 				 struct link_params *params,
9051 				 struct link_vars *vars)
9052 {
9053 	struct bnx2x *bp = params->bp;
9054 	u16 val1;
9055 	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9056 	if (link_up) {
9057 		bnx2x_cl45_read(bp, phy,
9058 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9059 				&val1);
9060 		if (val1 & (1<<15)) {
9061 			DP(NETIF_MSG_LINK, "Tx is disabled\n");
9062 			link_up = 0;
9063 			vars->line_speed = 0;
9064 		}
9065 	}
9066 	return link_up;
9067 }
9068 
9069 
9070 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9071 				  struct link_params *params,
9072 				  struct link_vars *vars)
9073 {
9074 	struct bnx2x *bp = params->bp;
9075 	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9076 
9077 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9078 	bnx2x_wait_reset_complete(bp, phy, params);
9079 
9080 	bnx2x_8726_external_rom_boot(phy, params);
9081 
9082 	/* Need to call module detected on initialization since the module
9083 	 * detection triggered by actual module insertion might occur before
9084 	 * driver is loaded, and when driver is loaded, it reset all
9085 	 * registers, including the transmitter
9086 	 */
9087 	bnx2x_sfp_module_detection(phy, params);
9088 
9089 	if (phy->req_line_speed == SPEED_1000) {
9090 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9091 		bnx2x_cl45_write(bp, phy,
9092 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9093 		bnx2x_cl45_write(bp, phy,
9094 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9095 		bnx2x_cl45_write(bp, phy,
9096 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9097 		bnx2x_cl45_write(bp, phy,
9098 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9099 				 0x400);
9100 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9101 		   (phy->speed_cap_mask &
9102 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9103 		   ((phy->speed_cap_mask &
9104 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9105 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9106 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9107 		/* Set Flow control */
9108 		bnx2x_ext_phy_set_pause(params, phy, vars);
9109 		bnx2x_cl45_write(bp, phy,
9110 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9111 		bnx2x_cl45_write(bp, phy,
9112 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9113 		bnx2x_cl45_write(bp, phy,
9114 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9115 		bnx2x_cl45_write(bp, phy,
9116 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9117 		bnx2x_cl45_write(bp, phy,
9118 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9119 		/* Enable RX-ALARM control to receive interrupt for 1G speed
9120 		 * change
9121 		 */
9122 		bnx2x_cl45_write(bp, phy,
9123 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9124 		bnx2x_cl45_write(bp, phy,
9125 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9126 				 0x400);
9127 
9128 	} else { /* Default 10G. Set only LASI control */
9129 		bnx2x_cl45_write(bp, phy,
9130 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9131 	}
9132 
9133 	/* Set TX PreEmphasis if needed */
9134 	if ((params->feature_config_flags &
9135 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9136 		DP(NETIF_MSG_LINK,
9137 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9138 			 phy->tx_preemphasis[0],
9139 			 phy->tx_preemphasis[1]);
9140 		bnx2x_cl45_write(bp, phy,
9141 				 MDIO_PMA_DEVAD,
9142 				 MDIO_PMA_REG_8726_TX_CTRL1,
9143 				 phy->tx_preemphasis[0]);
9144 
9145 		bnx2x_cl45_write(bp, phy,
9146 				 MDIO_PMA_DEVAD,
9147 				 MDIO_PMA_REG_8726_TX_CTRL2,
9148 				 phy->tx_preemphasis[1]);
9149 	}
9150 
9151 	return 0;
9152 
9153 }
9154 
9155 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9156 				  struct link_params *params)
9157 {
9158 	struct bnx2x *bp = params->bp;
9159 	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9160 	/* Set serial boot control for external load */
9161 	bnx2x_cl45_write(bp, phy,
9162 			 MDIO_PMA_DEVAD,
9163 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9164 }
9165 
9166 /******************************************************************/
9167 /*			BCM8727 PHY SECTION			  */
9168 /******************************************************************/
9169 
9170 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9171 				    struct link_params *params, u8 mode)
9172 {
9173 	struct bnx2x *bp = params->bp;
9174 	u16 led_mode_bitmask = 0;
9175 	u16 gpio_pins_bitmask = 0;
9176 	u16 val;
9177 	/* Only NOC flavor requires to set the LED specifically */
9178 	if (!(phy->flags & FLAGS_NOC))
9179 		return;
9180 	switch (mode) {
9181 	case LED_MODE_FRONT_PANEL_OFF:
9182 	case LED_MODE_OFF:
9183 		led_mode_bitmask = 0;
9184 		gpio_pins_bitmask = 0x03;
9185 		break;
9186 	case LED_MODE_ON:
9187 		led_mode_bitmask = 0;
9188 		gpio_pins_bitmask = 0x02;
9189 		break;
9190 	case LED_MODE_OPER:
9191 		led_mode_bitmask = 0x60;
9192 		gpio_pins_bitmask = 0x11;
9193 		break;
9194 	}
9195 	bnx2x_cl45_read(bp, phy,
9196 			MDIO_PMA_DEVAD,
9197 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9198 			&val);
9199 	val &= 0xff8f;
9200 	val |= led_mode_bitmask;
9201 	bnx2x_cl45_write(bp, phy,
9202 			 MDIO_PMA_DEVAD,
9203 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9204 			 val);
9205 	bnx2x_cl45_read(bp, phy,
9206 			MDIO_PMA_DEVAD,
9207 			MDIO_PMA_REG_8727_GPIO_CTRL,
9208 			&val);
9209 	val &= 0xffe0;
9210 	val |= gpio_pins_bitmask;
9211 	bnx2x_cl45_write(bp, phy,
9212 			 MDIO_PMA_DEVAD,
9213 			 MDIO_PMA_REG_8727_GPIO_CTRL,
9214 			 val);
9215 }
9216 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9217 				struct link_params *params) {
9218 	u32 swap_val, swap_override;
9219 	u8 port;
9220 	/* The PHY reset is controlled by GPIO 1. Fake the port number
9221 	 * to cancel the swap done in set_gpio()
9222 	 */
9223 	struct bnx2x *bp = params->bp;
9224 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9225 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9226 	port = (swap_val && swap_override) ^ 1;
9227 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9228 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9229 }
9230 
9231 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9232 				    struct link_params *params)
9233 {
9234 	struct bnx2x *bp = params->bp;
9235 	u16 tmp1, val;
9236 	/* Set option 1G speed */
9237 	if ((phy->req_line_speed == SPEED_1000) ||
9238 	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9239 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9240 		bnx2x_cl45_write(bp, phy,
9241 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9242 		bnx2x_cl45_write(bp, phy,
9243 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9244 		bnx2x_cl45_read(bp, phy,
9245 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9246 		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9247 		/* Power down the XAUI until link is up in case of dual-media
9248 		 * and 1G
9249 		 */
9250 		if (DUAL_MEDIA(params)) {
9251 			bnx2x_cl45_read(bp, phy,
9252 					MDIO_PMA_DEVAD,
9253 					MDIO_PMA_REG_8727_PCS_GP, &val);
9254 			val |= (3<<10);
9255 			bnx2x_cl45_write(bp, phy,
9256 					 MDIO_PMA_DEVAD,
9257 					 MDIO_PMA_REG_8727_PCS_GP, val);
9258 		}
9259 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9260 		   ((phy->speed_cap_mask &
9261 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9262 		   ((phy->speed_cap_mask &
9263 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9264 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9265 
9266 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9267 		bnx2x_cl45_write(bp, phy,
9268 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9269 		bnx2x_cl45_write(bp, phy,
9270 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9271 	} else {
9272 		/* Since the 8727 has only single reset pin, need to set the 10G
9273 		 * registers although it is default
9274 		 */
9275 		bnx2x_cl45_write(bp, phy,
9276 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9277 				 0x0020);
9278 		bnx2x_cl45_write(bp, phy,
9279 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9280 		bnx2x_cl45_write(bp, phy,
9281 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9282 		bnx2x_cl45_write(bp, phy,
9283 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9284 				 0x0008);
9285 	}
9286 }
9287 
9288 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9289 				  struct link_params *params,
9290 				  struct link_vars *vars)
9291 {
9292 	u32 tx_en_mode;
9293 	u16 tmp1, mod_abs, tmp2;
9294 	struct bnx2x *bp = params->bp;
9295 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9296 
9297 	bnx2x_wait_reset_complete(bp, phy, params);
9298 
9299 	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9300 
9301 	bnx2x_8727_specific_func(phy, params, PHY_INIT);
9302 	/* Initially configure MOD_ABS to interrupt when module is
9303 	 * presence( bit 8)
9304 	 */
9305 	bnx2x_cl45_read(bp, phy,
9306 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9307 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9308 	 * When the EDC is off it locks onto a reference clock and avoids
9309 	 * becoming 'lost'
9310 	 */
9311 	mod_abs &= ~(1<<8);
9312 	if (!(phy->flags & FLAGS_NOC))
9313 		mod_abs &= ~(1<<9);
9314 	bnx2x_cl45_write(bp, phy,
9315 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9316 
9317 	/* Enable/Disable PHY transmitter output */
9318 	bnx2x_set_disable_pmd_transmit(params, phy, 0);
9319 
9320 	bnx2x_8727_power_module(bp, phy, 1);
9321 
9322 	bnx2x_cl45_read(bp, phy,
9323 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9324 
9325 	bnx2x_cl45_read(bp, phy,
9326 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9327 
9328 	bnx2x_8727_config_speed(phy, params);
9329 
9330 
9331 	/* Set TX PreEmphasis if needed */
9332 	if ((params->feature_config_flags &
9333 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9334 		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9335 			   phy->tx_preemphasis[0],
9336 			   phy->tx_preemphasis[1]);
9337 		bnx2x_cl45_write(bp, phy,
9338 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9339 				 phy->tx_preemphasis[0]);
9340 
9341 		bnx2x_cl45_write(bp, phy,
9342 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9343 				 phy->tx_preemphasis[1]);
9344 	}
9345 
9346 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9347 	 * power mode, if TX Laser is disabled
9348 	 */
9349 	tx_en_mode = REG_RD(bp, params->shmem_base +
9350 			    offsetof(struct shmem_region,
9351 				dev_info.port_hw_config[params->port].sfp_ctrl))
9352 			& PORT_HW_CFG_TX_LASER_MASK;
9353 
9354 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9355 
9356 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9357 		bnx2x_cl45_read(bp, phy,
9358 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9359 		tmp2 |= 0x1000;
9360 		tmp2 &= 0xFFEF;
9361 		bnx2x_cl45_write(bp, phy,
9362 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9363 		bnx2x_cl45_read(bp, phy,
9364 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9365 				&tmp2);
9366 		bnx2x_cl45_write(bp, phy,
9367 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9368 				 (tmp2 & 0x7fff));
9369 	}
9370 
9371 	return 0;
9372 }
9373 
9374 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9375 				      struct link_params *params)
9376 {
9377 	struct bnx2x *bp = params->bp;
9378 	u16 mod_abs, rx_alarm_status;
9379 	u32 val = REG_RD(bp, params->shmem_base +
9380 			     offsetof(struct shmem_region, dev_info.
9381 				      port_feature_config[params->port].
9382 				      config));
9383 	bnx2x_cl45_read(bp, phy,
9384 			MDIO_PMA_DEVAD,
9385 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9386 	if (mod_abs & (1<<8)) {
9387 
9388 		/* Module is absent */
9389 		DP(NETIF_MSG_LINK,
9390 		   "MOD_ABS indication show module is absent\n");
9391 		phy->media_type = ETH_PHY_NOT_PRESENT;
9392 		/* 1. Set mod_abs to detect next module
9393 		 *    presence event
9394 		 * 2. Set EDC off by setting OPTXLOS signal input to low
9395 		 *    (bit 9).
9396 		 *    When the EDC is off it locks onto a reference clock and
9397 		 *    avoids becoming 'lost'.
9398 		 */
9399 		mod_abs &= ~(1<<8);
9400 		if (!(phy->flags & FLAGS_NOC))
9401 			mod_abs &= ~(1<<9);
9402 		bnx2x_cl45_write(bp, phy,
9403 				 MDIO_PMA_DEVAD,
9404 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9405 
9406 		/* Clear RX alarm since it stays up as long as
9407 		 * the mod_abs wasn't changed
9408 		 */
9409 		bnx2x_cl45_read(bp, phy,
9410 				MDIO_PMA_DEVAD,
9411 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9412 
9413 	} else {
9414 		/* Module is present */
9415 		DP(NETIF_MSG_LINK,
9416 		   "MOD_ABS indication show module is present\n");
9417 		/* First disable transmitter, and if the module is ok, the
9418 		 * module_detection will enable it
9419 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9420 		 * 2. Restore the default polarity of the OPRXLOS signal and
9421 		 * this signal will then correctly indicate the presence or
9422 		 * absence of the Rx signal. (bit 9)
9423 		 */
9424 		mod_abs |= (1<<8);
9425 		if (!(phy->flags & FLAGS_NOC))
9426 			mod_abs |= (1<<9);
9427 		bnx2x_cl45_write(bp, phy,
9428 				 MDIO_PMA_DEVAD,
9429 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9430 
9431 		/* Clear RX alarm since it stays up as long as the mod_abs
9432 		 * wasn't changed. This is need to be done before calling the
9433 		 * module detection, otherwise it will clear* the link update
9434 		 * alarm
9435 		 */
9436 		bnx2x_cl45_read(bp, phy,
9437 				MDIO_PMA_DEVAD,
9438 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9439 
9440 
9441 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9442 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9443 			bnx2x_sfp_set_transmitter(params, phy, 0);
9444 
9445 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9446 			bnx2x_sfp_module_detection(phy, params);
9447 		else
9448 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9449 
9450 		/* Reconfigure link speed based on module type limitations */
9451 		bnx2x_8727_config_speed(phy, params);
9452 	}
9453 
9454 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9455 		   rx_alarm_status);
9456 	/* No need to check link status in case of module plugged in/out */
9457 }
9458 
9459 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9460 				 struct link_params *params,
9461 				 struct link_vars *vars)
9462 
9463 {
9464 	struct bnx2x *bp = params->bp;
9465 	u8 link_up = 0, oc_port = params->port;
9466 	u16 link_status = 0;
9467 	u16 rx_alarm_status, lasi_ctrl, val1;
9468 
9469 	/* If PHY is not initialized, do not check link status */
9470 	bnx2x_cl45_read(bp, phy,
9471 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9472 			&lasi_ctrl);
9473 	if (!lasi_ctrl)
9474 		return 0;
9475 
9476 	/* Check the LASI on Rx */
9477 	bnx2x_cl45_read(bp, phy,
9478 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9479 			&rx_alarm_status);
9480 	vars->line_speed = 0;
9481 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9482 
9483 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9484 			     MDIO_PMA_LASI_TXCTRL);
9485 
9486 	bnx2x_cl45_read(bp, phy,
9487 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9488 
9489 	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9490 
9491 	/* Clear MSG-OUT */
9492 	bnx2x_cl45_read(bp, phy,
9493 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9494 
9495 	/* If a module is present and there is need to check
9496 	 * for over current
9497 	 */
9498 	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9499 		/* Check over-current using 8727 GPIO0 input*/
9500 		bnx2x_cl45_read(bp, phy,
9501 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9502 				&val1);
9503 
9504 		if ((val1 & (1<<8)) == 0) {
9505 			if (!CHIP_IS_E1x(bp))
9506 				oc_port = BP_PATH(bp) + (params->port << 1);
9507 			DP(NETIF_MSG_LINK,
9508 			   "8727 Power fault has been detected on port %d\n",
9509 			   oc_port);
9510 			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9511 					    "been detected and the power to "
9512 					    "that SFP+ module has been removed "
9513 					    "to prevent failure of the card. "
9514 					    "Please remove the SFP+ module and "
9515 					    "restart the system to clear this "
9516 					    "error.\n",
9517 			 oc_port);
9518 			/* Disable all RX_ALARMs except for mod_abs */
9519 			bnx2x_cl45_write(bp, phy,
9520 					 MDIO_PMA_DEVAD,
9521 					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9522 
9523 			bnx2x_cl45_read(bp, phy,
9524 					MDIO_PMA_DEVAD,
9525 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9526 			/* Wait for module_absent_event */
9527 			val1 |= (1<<8);
9528 			bnx2x_cl45_write(bp, phy,
9529 					 MDIO_PMA_DEVAD,
9530 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9531 			/* Clear RX alarm */
9532 			bnx2x_cl45_read(bp, phy,
9533 				MDIO_PMA_DEVAD,
9534 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9535 			bnx2x_8727_power_module(params->bp, phy, 0);
9536 			return 0;
9537 		}
9538 	} /* Over current check */
9539 
9540 	/* When module absent bit is set, check module */
9541 	if (rx_alarm_status & (1<<5)) {
9542 		bnx2x_8727_handle_mod_abs(phy, params);
9543 		/* Enable all mod_abs and link detection bits */
9544 		bnx2x_cl45_write(bp, phy,
9545 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9546 				 ((1<<5) | (1<<2)));
9547 	}
9548 
9549 	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9550 		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9551 		bnx2x_sfp_set_transmitter(params, phy, 1);
9552 	} else {
9553 		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9554 		return 0;
9555 	}
9556 
9557 	bnx2x_cl45_read(bp, phy,
9558 			MDIO_PMA_DEVAD,
9559 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9560 
9561 	/* Bits 0..2 --> speed detected,
9562 	 * Bits 13..15--> link is down
9563 	 */
9564 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9565 		link_up = 1;
9566 		vars->line_speed = SPEED_10000;
9567 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9568 			   params->port);
9569 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9570 		link_up = 1;
9571 		vars->line_speed = SPEED_1000;
9572 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9573 			   params->port);
9574 	} else {
9575 		link_up = 0;
9576 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9577 			   params->port);
9578 	}
9579 
9580 	/* Capture 10G link fault. */
9581 	if (vars->line_speed == SPEED_10000) {
9582 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9583 			    MDIO_PMA_LASI_TXSTAT, &val1);
9584 
9585 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9586 			    MDIO_PMA_LASI_TXSTAT, &val1);
9587 
9588 		if (val1 & (1<<0)) {
9589 			vars->fault_detected = 1;
9590 		}
9591 	}
9592 
9593 	if (link_up) {
9594 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9595 		vars->duplex = DUPLEX_FULL;
9596 		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9597 	}
9598 
9599 	if ((DUAL_MEDIA(params)) &&
9600 	    (phy->req_line_speed == SPEED_1000)) {
9601 		bnx2x_cl45_read(bp, phy,
9602 				MDIO_PMA_DEVAD,
9603 				MDIO_PMA_REG_8727_PCS_GP, &val1);
9604 		/* In case of dual-media board and 1G, power up the XAUI side,
9605 		 * otherwise power it down. For 10G it is done automatically
9606 		 */
9607 		if (link_up)
9608 			val1 &= ~(3<<10);
9609 		else
9610 			val1 |= (3<<10);
9611 		bnx2x_cl45_write(bp, phy,
9612 				 MDIO_PMA_DEVAD,
9613 				 MDIO_PMA_REG_8727_PCS_GP, val1);
9614 	}
9615 	return link_up;
9616 }
9617 
9618 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9619 				  struct link_params *params)
9620 {
9621 	struct bnx2x *bp = params->bp;
9622 
9623 	/* Enable/Disable PHY transmitter output */
9624 	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9625 
9626 	/* Disable Transmitter */
9627 	bnx2x_sfp_set_transmitter(params, phy, 0);
9628 	/* Clear LASI */
9629 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9630 
9631 }
9632 
9633 /******************************************************************/
9634 /*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9635 /******************************************************************/
9636 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9637 					    struct bnx2x *bp,
9638 					    u8 port)
9639 {
9640 	u16 val, fw_ver2, cnt, i;
9641 	static struct bnx2x_reg_set reg_set[] = {
9642 		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
9643 		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9644 		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9645 		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9646 		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
9647 	};
9648 	u16 fw_ver1;
9649 
9650 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9651 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9652 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9653 		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9654 				phy->ver_addr);
9655 	} else {
9656 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9657 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9658 		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9659 			bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9660 					 reg_set[i].reg, reg_set[i].val);
9661 
9662 		for (cnt = 0; cnt < 100; cnt++) {
9663 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9664 			if (val & 1)
9665 				break;
9666 			udelay(5);
9667 		}
9668 		if (cnt == 100) {
9669 			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9670 					"phy fw version(1)\n");
9671 			bnx2x_save_spirom_version(bp, port, 0,
9672 						  phy->ver_addr);
9673 			return;
9674 		}
9675 
9676 
9677 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9678 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9679 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9680 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9681 		for (cnt = 0; cnt < 100; cnt++) {
9682 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9683 			if (val & 1)
9684 				break;
9685 			udelay(5);
9686 		}
9687 		if (cnt == 100) {
9688 			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9689 					"version(2)\n");
9690 			bnx2x_save_spirom_version(bp, port, 0,
9691 						  phy->ver_addr);
9692 			return;
9693 		}
9694 
9695 		/* lower 16 bits of the register SPI_FW_STATUS */
9696 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9697 		/* upper 16 bits of register SPI_FW_STATUS */
9698 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9699 
9700 		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9701 					  phy->ver_addr);
9702 	}
9703 
9704 }
9705 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9706 				struct bnx2x_phy *phy)
9707 {
9708 	u16 val, offset, i;
9709 	static struct bnx2x_reg_set reg_set[] = {
9710 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9711 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9712 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9713 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9714 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9715 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9716 		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9717 	};
9718 	/* PHYC_CTL_LED_CTL */
9719 	bnx2x_cl45_read(bp, phy,
9720 			MDIO_PMA_DEVAD,
9721 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9722 	val &= 0xFE00;
9723 	val |= 0x0092;
9724 
9725 	bnx2x_cl45_write(bp, phy,
9726 			 MDIO_PMA_DEVAD,
9727 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9728 
9729 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9730 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9731 				 reg_set[i].val);
9732 
9733 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9734 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
9735 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9736 	else
9737 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9738 
9739 	/* stretch_en for LED3*/
9740 	bnx2x_cl45_read_or_write(bp, phy,
9741 				 MDIO_PMA_DEVAD, offset,
9742 				 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
9743 }
9744 
9745 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9746 				      struct link_params *params,
9747 				      u32 action)
9748 {
9749 	struct bnx2x *bp = params->bp;
9750 	switch (action) {
9751 	case PHY_INIT:
9752 		if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9753 		    (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9754 			/* Save spirom version */
9755 			bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9756 		}
9757 		/* This phy uses the NIG latch mechanism since link indication
9758 		 * arrives through its LED4 and not via its LASI signal, so we
9759 		 * get steady signal instead of clear on read
9760 		 */
9761 		bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9762 			      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9763 
9764 		bnx2x_848xx_set_led(bp, phy);
9765 		break;
9766 	}
9767 }
9768 
9769 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9770 				       struct link_params *params,
9771 				       struct link_vars *vars)
9772 {
9773 	struct bnx2x *bp = params->bp;
9774 	u16 autoneg_val, an_1000_val, an_10_100_val;
9775 
9776 	bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9777 	bnx2x_cl45_write(bp, phy,
9778 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9779 
9780 	/* set 1000 speed advertisement */
9781 	bnx2x_cl45_read(bp, phy,
9782 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9783 			&an_1000_val);
9784 
9785 	bnx2x_ext_phy_set_pause(params, phy, vars);
9786 	bnx2x_cl45_read(bp, phy,
9787 			MDIO_AN_DEVAD,
9788 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9789 			&an_10_100_val);
9790 	bnx2x_cl45_read(bp, phy,
9791 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9792 			&autoneg_val);
9793 	/* Disable forced speed */
9794 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9795 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9796 
9797 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9798 	     (phy->speed_cap_mask &
9799 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9800 	    (phy->req_line_speed == SPEED_1000)) {
9801 		an_1000_val |= (1<<8);
9802 		autoneg_val |= (1<<9 | 1<<12);
9803 		if (phy->req_duplex == DUPLEX_FULL)
9804 			an_1000_val |= (1<<9);
9805 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9806 	} else
9807 		an_1000_val &= ~((1<<8) | (1<<9));
9808 
9809 	bnx2x_cl45_write(bp, phy,
9810 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9811 			 an_1000_val);
9812 
9813 	/* Set 10/100 speed advertisement */
9814 	if (phy->req_line_speed == SPEED_AUTO_NEG) {
9815 		if (phy->speed_cap_mask &
9816 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9817 			/* Enable autoneg and restart autoneg for legacy speeds
9818 			 */
9819 			autoneg_val |= (1<<9 | 1<<12);
9820 			an_10_100_val |= (1<<8);
9821 			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9822 		}
9823 
9824 		if (phy->speed_cap_mask &
9825 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9826 			/* Enable autoneg and restart autoneg for legacy speeds
9827 			 */
9828 			autoneg_val |= (1<<9 | 1<<12);
9829 			an_10_100_val |= (1<<7);
9830 			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9831 		}
9832 
9833 		if ((phy->speed_cap_mask &
9834 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9835 		    (phy->supported & SUPPORTED_10baseT_Full)) {
9836 			an_10_100_val |= (1<<6);
9837 			autoneg_val |= (1<<9 | 1<<12);
9838 			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9839 		}
9840 
9841 		if ((phy->speed_cap_mask &
9842 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9843 		    (phy->supported & SUPPORTED_10baseT_Half)) {
9844 			an_10_100_val |= (1<<5);
9845 			autoneg_val |= (1<<9 | 1<<12);
9846 			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9847 		}
9848 	}
9849 
9850 	/* Only 10/100 are allowed to work in FORCE mode */
9851 	if ((phy->req_line_speed == SPEED_100) &&
9852 	    (phy->supported &
9853 	     (SUPPORTED_100baseT_Half |
9854 	      SUPPORTED_100baseT_Full))) {
9855 		autoneg_val |= (1<<13);
9856 		/* Enabled AUTO-MDIX when autoneg is disabled */
9857 		bnx2x_cl45_write(bp, phy,
9858 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9859 				 (1<<15 | 1<<9 | 7<<0));
9860 		/* The PHY needs this set even for forced link. */
9861 		an_10_100_val |= (1<<8) | (1<<7);
9862 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9863 	}
9864 	if ((phy->req_line_speed == SPEED_10) &&
9865 	    (phy->supported &
9866 	     (SUPPORTED_10baseT_Half |
9867 	      SUPPORTED_10baseT_Full))) {
9868 		/* Enabled AUTO-MDIX when autoneg is disabled */
9869 		bnx2x_cl45_write(bp, phy,
9870 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9871 				 (1<<15 | 1<<9 | 7<<0));
9872 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9873 	}
9874 
9875 	bnx2x_cl45_write(bp, phy,
9876 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9877 			 an_10_100_val);
9878 
9879 	if (phy->req_duplex == DUPLEX_FULL)
9880 		autoneg_val |= (1<<8);
9881 
9882 	/* Always write this if this is not 84833/4.
9883 	 * For 84833/4, write it only when it's a forced speed.
9884 	 */
9885 	if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9886 	     (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
9887 	    ((autoneg_val & (1<<12)) == 0))
9888 		bnx2x_cl45_write(bp, phy,
9889 			 MDIO_AN_DEVAD,
9890 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9891 
9892 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9893 	    (phy->speed_cap_mask &
9894 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9895 		(phy->req_line_speed == SPEED_10000)) {
9896 			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9897 			/* Restart autoneg for 10G*/
9898 
9899 			bnx2x_cl45_read_or_write(
9900 				bp, phy,
9901 				MDIO_AN_DEVAD,
9902 				MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9903 				0x1000);
9904 			bnx2x_cl45_write(bp, phy,
9905 					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9906 					 0x3200);
9907 	} else
9908 		bnx2x_cl45_write(bp, phy,
9909 				 MDIO_AN_DEVAD,
9910 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9911 				 1);
9912 
9913 	return 0;
9914 }
9915 
9916 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9917 				  struct link_params *params,
9918 				  struct link_vars *vars)
9919 {
9920 	struct bnx2x *bp = params->bp;
9921 	/* Restore normal power mode*/
9922 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9923 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9924 
9925 	/* HW reset */
9926 	bnx2x_ext_phy_hw_reset(bp, params->port);
9927 	bnx2x_wait_reset_complete(bp, phy, params);
9928 
9929 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9930 	return bnx2x_848xx_cmn_config_init(phy, params, vars);
9931 }
9932 
9933 #define PHY84833_CMDHDLR_WAIT 300
9934 #define PHY84833_CMDHDLR_MAX_ARGS 5
9935 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9936 				struct link_params *params, u16 fw_cmd,
9937 				u16 cmd_args[], int argc)
9938 {
9939 	int idx;
9940 	u16 val;
9941 	struct bnx2x *bp = params->bp;
9942 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
9943 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9944 			MDIO_84833_CMD_HDLR_STATUS,
9945 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9946 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9947 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9948 				MDIO_84833_CMD_HDLR_STATUS, &val);
9949 		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9950 			break;
9951 		usleep_range(1000, 2000);
9952 	}
9953 	if (idx >= PHY84833_CMDHDLR_WAIT) {
9954 		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9955 		return -EINVAL;
9956 	}
9957 
9958 	/* Prepare argument(s) and issue command */
9959 	for (idx = 0; idx < argc; idx++) {
9960 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9961 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9962 				cmd_args[idx]);
9963 	}
9964 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9965 			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9966 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9967 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9968 				MDIO_84833_CMD_HDLR_STATUS, &val);
9969 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9970 			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9971 			break;
9972 		usleep_range(1000, 2000);
9973 	}
9974 	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9975 		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9976 		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9977 		return -EINVAL;
9978 	}
9979 	/* Gather returning data */
9980 	for (idx = 0; idx < argc; idx++) {
9981 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9982 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9983 				&cmd_args[idx]);
9984 	}
9985 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9986 			MDIO_84833_CMD_HDLR_STATUS,
9987 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9988 	return 0;
9989 }
9990 
9991 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9992 				   struct link_params *params,
9993 				   struct link_vars *vars)
9994 {
9995 	u32 pair_swap;
9996 	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9997 	int status;
9998 	struct bnx2x *bp = params->bp;
9999 
10000 	/* Check for configuration. */
10001 	pair_swap = REG_RD(bp, params->shmem_base +
10002 			   offsetof(struct shmem_region,
10003 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
10004 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
10005 
10006 	if (pair_swap == 0)
10007 		return 0;
10008 
10009 	/* Only the second argument is used for this command */
10010 	data[1] = (u16)pair_swap;
10011 
10012 	status = bnx2x_84833_cmd_hdlr(phy, params,
10013 		PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
10014 	if (status == 0)
10015 		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
10016 
10017 	return status;
10018 }
10019 
10020 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
10021 				      u32 shmem_base_path[],
10022 				      u32 chip_id)
10023 {
10024 	u32 reset_pin[2];
10025 	u32 idx;
10026 	u8 reset_gpios;
10027 	if (CHIP_IS_E3(bp)) {
10028 		/* Assume that these will be GPIOs, not EPIOs. */
10029 		for (idx = 0; idx < 2; idx++) {
10030 			/* Map config param to register bit. */
10031 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10032 				offsetof(struct shmem_region,
10033 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
10034 			reset_pin[idx] = (reset_pin[idx] &
10035 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10036 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10037 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
10038 			reset_pin[idx] = (1 << reset_pin[idx]);
10039 		}
10040 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10041 	} else {
10042 		/* E2, look from diff place of shmem. */
10043 		for (idx = 0; idx < 2; idx++) {
10044 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10045 				offsetof(struct shmem_region,
10046 				dev_info.port_hw_config[0].default_cfg));
10047 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10048 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10049 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10050 			reset_pin[idx] = (1 << reset_pin[idx]);
10051 		}
10052 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10053 	}
10054 
10055 	return reset_gpios;
10056 }
10057 
10058 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10059 				struct link_params *params)
10060 {
10061 	struct bnx2x *bp = params->bp;
10062 	u8 reset_gpios;
10063 	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10064 				offsetof(struct shmem2_region,
10065 				other_shmem_base_addr));
10066 
10067 	u32 shmem_base_path[2];
10068 
10069 	/* Work around for 84833 LED failure inside RESET status */
10070 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10071 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10072 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10073 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10074 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10075 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10076 
10077 	shmem_base_path[0] = params->shmem_base;
10078 	shmem_base_path[1] = other_shmem_base_addr;
10079 
10080 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10081 						  params->chip_id);
10082 
10083 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10084 	udelay(10);
10085 	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10086 		reset_gpios);
10087 
10088 	return 0;
10089 }
10090 
10091 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10092 				   struct link_params *params,
10093 				   struct link_vars *vars)
10094 {
10095 	int rc;
10096 	struct bnx2x *bp = params->bp;
10097 	u16 cmd_args = 0;
10098 
10099 	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10100 
10101 	/* Prevent Phy from working in EEE and advertising it */
10102 	rc = bnx2x_84833_cmd_hdlr(phy, params,
10103 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10104 	if (rc) {
10105 		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10106 		return rc;
10107 	}
10108 
10109 	return bnx2x_eee_disable(phy, params, vars);
10110 }
10111 
10112 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10113 				   struct link_params *params,
10114 				   struct link_vars *vars)
10115 {
10116 	int rc;
10117 	struct bnx2x *bp = params->bp;
10118 	u16 cmd_args = 1;
10119 
10120 	rc = bnx2x_84833_cmd_hdlr(phy, params,
10121 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10122 	if (rc) {
10123 		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10124 		return rc;
10125 	}
10126 
10127 	return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10128 }
10129 
10130 #define PHY84833_CONSTANT_LATENCY 1193
10131 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10132 				   struct link_params *params,
10133 				   struct link_vars *vars)
10134 {
10135 	struct bnx2x *bp = params->bp;
10136 	u8 port, initialize = 1;
10137 	u16 val;
10138 	u32 actual_phy_selection;
10139 	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
10140 	int rc = 0;
10141 
10142 	usleep_range(1000, 2000);
10143 
10144 	if (!(CHIP_IS_E1x(bp)))
10145 		port = BP_PATH(bp);
10146 	else
10147 		port = params->port;
10148 
10149 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10150 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10151 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10152 			       port);
10153 	} else {
10154 		/* MDIO reset */
10155 		bnx2x_cl45_write(bp, phy,
10156 				MDIO_PMA_DEVAD,
10157 				MDIO_PMA_REG_CTRL, 0x8000);
10158 	}
10159 
10160 	bnx2x_wait_reset_complete(bp, phy, params);
10161 
10162 	/* Wait for GPHY to come out of reset */
10163 	msleep(50);
10164 	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10165 	    (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10166 		/* BCM84823 requires that XGXS links up first @ 10G for normal
10167 		 * behavior.
10168 		 */
10169 		u16 temp;
10170 		temp = vars->line_speed;
10171 		vars->line_speed = SPEED_10000;
10172 		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10173 		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10174 		vars->line_speed = temp;
10175 	}
10176 
10177 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10178 			MDIO_CTL_REG_84823_MEDIA, &val);
10179 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10180 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10181 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10182 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10183 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10184 
10185 	if (CHIP_IS_E3(bp)) {
10186 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10187 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10188 	} else {
10189 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10190 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10191 	}
10192 
10193 	actual_phy_selection = bnx2x_phy_selection(params);
10194 
10195 	switch (actual_phy_selection) {
10196 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10197 		/* Do nothing. Essentially this is like the priority copper */
10198 		break;
10199 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10200 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10201 		break;
10202 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10203 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10204 		break;
10205 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10206 		/* Do nothing here. The first PHY won't be initialized at all */
10207 		break;
10208 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10209 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10210 		initialize = 0;
10211 		break;
10212 	}
10213 	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10214 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10215 
10216 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10217 			 MDIO_CTL_REG_84823_MEDIA, val);
10218 	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10219 		   params->multi_phy_config, val);
10220 
10221 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10222 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10223 		bnx2x_84833_pair_swap_cfg(phy, params, vars);
10224 
10225 		/* Keep AutogrEEEn disabled. */
10226 		cmd_args[0] = 0x0;
10227 		cmd_args[1] = 0x0;
10228 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10229 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10230 		rc = bnx2x_84833_cmd_hdlr(phy, params,
10231 			PHY84833_CMD_SET_EEE_MODE, cmd_args,
10232 			PHY84833_CMDHDLR_MAX_ARGS);
10233 		if (rc)
10234 			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10235 	}
10236 	if (initialize)
10237 		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10238 	else
10239 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10240 	/* 84833 PHY has a better feature and doesn't need to support this. */
10241 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10242 		u32 cms_enable = REG_RD(bp, params->shmem_base +
10243 			offsetof(struct shmem_region,
10244 			dev_info.port_hw_config[params->port].default_cfg)) &
10245 			PORT_HW_CFG_ENABLE_CMS_MASK;
10246 
10247 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10248 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10249 		if (cms_enable)
10250 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10251 		else
10252 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10253 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10254 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10255 	}
10256 
10257 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10258 			MDIO_84833_TOP_CFG_FW_REV, &val);
10259 
10260 	/* Configure EEE support */
10261 	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10262 	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10263 	    bnx2x_eee_has_cap(params)) {
10264 		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10265 		if (rc) {
10266 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10267 			bnx2x_8483x_disable_eee(phy, params, vars);
10268 			return rc;
10269 		}
10270 
10271 		if ((phy->req_duplex == DUPLEX_FULL) &&
10272 		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
10273 		    (bnx2x_eee_calc_timer(params) ||
10274 		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10275 			rc = bnx2x_8483x_enable_eee(phy, params, vars);
10276 		else
10277 			rc = bnx2x_8483x_disable_eee(phy, params, vars);
10278 		if (rc) {
10279 			DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10280 			return rc;
10281 		}
10282 	} else {
10283 		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10284 	}
10285 
10286 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10287 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10288 		/* Bring PHY out of super isolate mode as the final step. */
10289 		bnx2x_cl45_read_and_write(bp, phy,
10290 					  MDIO_CTL_DEVAD,
10291 					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10292 					  (u16)~MDIO_84833_SUPER_ISOLATE);
10293 	}
10294 	return rc;
10295 }
10296 
10297 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10298 				  struct link_params *params,
10299 				  struct link_vars *vars)
10300 {
10301 	struct bnx2x *bp = params->bp;
10302 	u16 val, val1, val2;
10303 	u8 link_up = 0;
10304 
10305 
10306 	/* Check 10G-BaseT link status */
10307 	/* Check PMD signal ok */
10308 	bnx2x_cl45_read(bp, phy,
10309 			MDIO_AN_DEVAD, 0xFFFA, &val1);
10310 	bnx2x_cl45_read(bp, phy,
10311 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10312 			&val2);
10313 	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10314 
10315 	/* Check link 10G */
10316 	if (val2 & (1<<11)) {
10317 		vars->line_speed = SPEED_10000;
10318 		vars->duplex = DUPLEX_FULL;
10319 		link_up = 1;
10320 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10321 	} else { /* Check Legacy speed link */
10322 		u16 legacy_status, legacy_speed;
10323 
10324 		/* Enable expansion register 0x42 (Operation mode status) */
10325 		bnx2x_cl45_write(bp, phy,
10326 				 MDIO_AN_DEVAD,
10327 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10328 
10329 		/* Get legacy speed operation status */
10330 		bnx2x_cl45_read(bp, phy,
10331 				MDIO_AN_DEVAD,
10332 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10333 				&legacy_status);
10334 
10335 		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10336 		   legacy_status);
10337 		link_up = ((legacy_status & (1<<11)) == (1<<11));
10338 		legacy_speed = (legacy_status & (3<<9));
10339 		if (legacy_speed == (0<<9))
10340 			vars->line_speed = SPEED_10;
10341 		else if (legacy_speed == (1<<9))
10342 			vars->line_speed = SPEED_100;
10343 		else if (legacy_speed == (2<<9))
10344 			vars->line_speed = SPEED_1000;
10345 		else { /* Should not happen: Treat as link down */
10346 			vars->line_speed = 0;
10347 			link_up = 0;
10348 		}
10349 
10350 		if (link_up) {
10351 			if (legacy_status & (1<<8))
10352 				vars->duplex = DUPLEX_FULL;
10353 			else
10354 				vars->duplex = DUPLEX_HALF;
10355 
10356 			DP(NETIF_MSG_LINK,
10357 			   "Link is up in %dMbps, is_duplex_full= %d\n",
10358 			   vars->line_speed,
10359 			   (vars->duplex == DUPLEX_FULL));
10360 			/* Check legacy speed AN resolution */
10361 			bnx2x_cl45_read(bp, phy,
10362 					MDIO_AN_DEVAD,
10363 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10364 					&val);
10365 			if (val & (1<<5))
10366 				vars->link_status |=
10367 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10368 			bnx2x_cl45_read(bp, phy,
10369 					MDIO_AN_DEVAD,
10370 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10371 					&val);
10372 			if ((val & (1<<0)) == 0)
10373 				vars->link_status |=
10374 					LINK_STATUS_PARALLEL_DETECTION_USED;
10375 		}
10376 	}
10377 	if (link_up) {
10378 		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10379 			   vars->line_speed);
10380 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10381 
10382 		/* Read LP advertised speeds */
10383 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10384 				MDIO_AN_REG_CL37_FC_LP, &val);
10385 		if (val & (1<<5))
10386 			vars->link_status |=
10387 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10388 		if (val & (1<<6))
10389 			vars->link_status |=
10390 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10391 		if (val & (1<<7))
10392 			vars->link_status |=
10393 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10394 		if (val & (1<<8))
10395 			vars->link_status |=
10396 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10397 		if (val & (1<<9))
10398 			vars->link_status |=
10399 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10400 
10401 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10402 				MDIO_AN_REG_1000T_STATUS, &val);
10403 
10404 		if (val & (1<<10))
10405 			vars->link_status |=
10406 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10407 		if (val & (1<<11))
10408 			vars->link_status |=
10409 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10410 
10411 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10412 				MDIO_AN_REG_MASTER_STATUS, &val);
10413 
10414 		if (val & (1<<11))
10415 			vars->link_status |=
10416 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10417 
10418 		/* Determine if EEE was negotiated */
10419 		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10420 		    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
10421 			bnx2x_eee_an_resolve(phy, params, vars);
10422 	}
10423 
10424 	return link_up;
10425 }
10426 
10427 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10428 {
10429 	int status = 0;
10430 	u32 spirom_ver;
10431 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10432 	status = bnx2x_format_ver(spirom_ver, str, len);
10433 	return status;
10434 }
10435 
10436 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10437 				struct link_params *params)
10438 {
10439 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10440 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10441 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10442 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10443 }
10444 
10445 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10446 					struct link_params *params)
10447 {
10448 	bnx2x_cl45_write(params->bp, phy,
10449 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10450 	bnx2x_cl45_write(params->bp, phy,
10451 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10452 }
10453 
10454 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10455 				   struct link_params *params)
10456 {
10457 	struct bnx2x *bp = params->bp;
10458 	u8 port;
10459 	u16 val16;
10460 
10461 	if (!(CHIP_IS_E1x(bp)))
10462 		port = BP_PATH(bp);
10463 	else
10464 		port = params->port;
10465 
10466 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10467 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10468 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10469 			       port);
10470 	} else {
10471 		bnx2x_cl45_read(bp, phy,
10472 				MDIO_CTL_DEVAD,
10473 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10474 		val16 |= MDIO_84833_SUPER_ISOLATE;
10475 		bnx2x_cl45_write(bp, phy,
10476 				 MDIO_CTL_DEVAD,
10477 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10478 	}
10479 }
10480 
10481 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10482 				     struct link_params *params, u8 mode)
10483 {
10484 	struct bnx2x *bp = params->bp;
10485 	u16 val;
10486 	u8 port;
10487 
10488 	if (!(CHIP_IS_E1x(bp)))
10489 		port = BP_PATH(bp);
10490 	else
10491 		port = params->port;
10492 
10493 	switch (mode) {
10494 	case LED_MODE_OFF:
10495 
10496 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10497 
10498 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10499 		    SHARED_HW_CFG_LED_EXTPHY1) {
10500 
10501 			/* Set LED masks */
10502 			bnx2x_cl45_write(bp, phy,
10503 					MDIO_PMA_DEVAD,
10504 					MDIO_PMA_REG_8481_LED1_MASK,
10505 					0x0);
10506 
10507 			bnx2x_cl45_write(bp, phy,
10508 					MDIO_PMA_DEVAD,
10509 					MDIO_PMA_REG_8481_LED2_MASK,
10510 					0x0);
10511 
10512 			bnx2x_cl45_write(bp, phy,
10513 					MDIO_PMA_DEVAD,
10514 					MDIO_PMA_REG_8481_LED3_MASK,
10515 					0x0);
10516 
10517 			bnx2x_cl45_write(bp, phy,
10518 					MDIO_PMA_DEVAD,
10519 					MDIO_PMA_REG_8481_LED5_MASK,
10520 					0x0);
10521 
10522 		} else {
10523 			bnx2x_cl45_write(bp, phy,
10524 					 MDIO_PMA_DEVAD,
10525 					 MDIO_PMA_REG_8481_LED1_MASK,
10526 					 0x0);
10527 		}
10528 		break;
10529 	case LED_MODE_FRONT_PANEL_OFF:
10530 
10531 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10532 		   port);
10533 
10534 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10535 		    SHARED_HW_CFG_LED_EXTPHY1) {
10536 
10537 			/* Set LED masks */
10538 			bnx2x_cl45_write(bp, phy,
10539 					 MDIO_PMA_DEVAD,
10540 					 MDIO_PMA_REG_8481_LED1_MASK,
10541 					 0x0);
10542 
10543 			bnx2x_cl45_write(bp, phy,
10544 					 MDIO_PMA_DEVAD,
10545 					 MDIO_PMA_REG_8481_LED2_MASK,
10546 					 0x0);
10547 
10548 			bnx2x_cl45_write(bp, phy,
10549 					 MDIO_PMA_DEVAD,
10550 					 MDIO_PMA_REG_8481_LED3_MASK,
10551 					 0x0);
10552 
10553 			bnx2x_cl45_write(bp, phy,
10554 					 MDIO_PMA_DEVAD,
10555 					 MDIO_PMA_REG_8481_LED5_MASK,
10556 					 0x20);
10557 
10558 		} else {
10559 			bnx2x_cl45_write(bp, phy,
10560 					 MDIO_PMA_DEVAD,
10561 					 MDIO_PMA_REG_8481_LED1_MASK,
10562 					 0x0);
10563 			if (phy->type ==
10564 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10565 				/* Disable MI_INT interrupt before setting LED4
10566 				 * source to constant off.
10567 				 */
10568 				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10569 					   params->port*4) &
10570 				    NIG_MASK_MI_INT) {
10571 					params->link_flags |=
10572 					LINK_FLAGS_INT_DISABLED;
10573 
10574 					bnx2x_bits_dis(
10575 						bp,
10576 						NIG_REG_MASK_INTERRUPT_PORT0 +
10577 						params->port*4,
10578 						NIG_MASK_MI_INT);
10579 				}
10580 				bnx2x_cl45_write(bp, phy,
10581 						 MDIO_PMA_DEVAD,
10582 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10583 						 0x0);
10584 			}
10585 		}
10586 		break;
10587 	case LED_MODE_ON:
10588 
10589 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10590 
10591 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10592 		    SHARED_HW_CFG_LED_EXTPHY1) {
10593 			/* Set control reg */
10594 			bnx2x_cl45_read(bp, phy,
10595 					MDIO_PMA_DEVAD,
10596 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10597 					&val);
10598 			val &= 0x8000;
10599 			val |= 0x2492;
10600 
10601 			bnx2x_cl45_write(bp, phy,
10602 					 MDIO_PMA_DEVAD,
10603 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10604 					 val);
10605 
10606 			/* Set LED masks */
10607 			bnx2x_cl45_write(bp, phy,
10608 					 MDIO_PMA_DEVAD,
10609 					 MDIO_PMA_REG_8481_LED1_MASK,
10610 					 0x0);
10611 
10612 			bnx2x_cl45_write(bp, phy,
10613 					 MDIO_PMA_DEVAD,
10614 					 MDIO_PMA_REG_8481_LED2_MASK,
10615 					 0x20);
10616 
10617 			bnx2x_cl45_write(bp, phy,
10618 					 MDIO_PMA_DEVAD,
10619 					 MDIO_PMA_REG_8481_LED3_MASK,
10620 					 0x20);
10621 
10622 			bnx2x_cl45_write(bp, phy,
10623 					 MDIO_PMA_DEVAD,
10624 					 MDIO_PMA_REG_8481_LED5_MASK,
10625 					 0x0);
10626 		} else {
10627 			bnx2x_cl45_write(bp, phy,
10628 					 MDIO_PMA_DEVAD,
10629 					 MDIO_PMA_REG_8481_LED1_MASK,
10630 					 0x20);
10631 			if (phy->type ==
10632 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10633 				/* Disable MI_INT interrupt before setting LED4
10634 				 * source to constant on.
10635 				 */
10636 				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10637 					   params->port*4) &
10638 				    NIG_MASK_MI_INT) {
10639 					params->link_flags |=
10640 					LINK_FLAGS_INT_DISABLED;
10641 
10642 					bnx2x_bits_dis(
10643 						bp,
10644 						NIG_REG_MASK_INTERRUPT_PORT0 +
10645 						params->port*4,
10646 						NIG_MASK_MI_INT);
10647 				}
10648 				bnx2x_cl45_write(bp, phy,
10649 						 MDIO_PMA_DEVAD,
10650 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10651 						 0x20);
10652 			}
10653 		}
10654 		break;
10655 
10656 	case LED_MODE_OPER:
10657 
10658 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10659 
10660 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10661 		    SHARED_HW_CFG_LED_EXTPHY1) {
10662 
10663 			/* Set control reg */
10664 			bnx2x_cl45_read(bp, phy,
10665 					MDIO_PMA_DEVAD,
10666 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10667 					&val);
10668 
10669 			if (!((val &
10670 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10671 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10672 				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10673 				bnx2x_cl45_write(bp, phy,
10674 						 MDIO_PMA_DEVAD,
10675 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10676 						 0xa492);
10677 			}
10678 
10679 			/* Set LED masks */
10680 			bnx2x_cl45_write(bp, phy,
10681 					 MDIO_PMA_DEVAD,
10682 					 MDIO_PMA_REG_8481_LED1_MASK,
10683 					 0x10);
10684 
10685 			bnx2x_cl45_write(bp, phy,
10686 					 MDIO_PMA_DEVAD,
10687 					 MDIO_PMA_REG_8481_LED2_MASK,
10688 					 0x80);
10689 
10690 			bnx2x_cl45_write(bp, phy,
10691 					 MDIO_PMA_DEVAD,
10692 					 MDIO_PMA_REG_8481_LED3_MASK,
10693 					 0x98);
10694 
10695 			bnx2x_cl45_write(bp, phy,
10696 					 MDIO_PMA_DEVAD,
10697 					 MDIO_PMA_REG_8481_LED5_MASK,
10698 					 0x40);
10699 
10700 		} else {
10701 			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10702 			 * sources are all wired through LED1, rather than only
10703 			 * 10G in other modes.
10704 			 */
10705 			val = ((params->hw_led_mode <<
10706 				SHARED_HW_CFG_LED_MODE_SHIFT) ==
10707 			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10708 
10709 			bnx2x_cl45_write(bp, phy,
10710 					 MDIO_PMA_DEVAD,
10711 					 MDIO_PMA_REG_8481_LED1_MASK,
10712 					 val);
10713 
10714 			/* Tell LED3 to blink on source */
10715 			bnx2x_cl45_read(bp, phy,
10716 					MDIO_PMA_DEVAD,
10717 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10718 					&val);
10719 			val &= ~(7<<6);
10720 			val |= (1<<6); /* A83B[8:6]= 1 */
10721 			bnx2x_cl45_write(bp, phy,
10722 					 MDIO_PMA_DEVAD,
10723 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10724 					 val);
10725 			if (phy->type ==
10726 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10727 				/* Restore LED4 source to external link,
10728 				 * and re-enable interrupts.
10729 				 */
10730 				bnx2x_cl45_write(bp, phy,
10731 						 MDIO_PMA_DEVAD,
10732 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10733 						 0x40);
10734 				if (params->link_flags &
10735 				    LINK_FLAGS_INT_DISABLED) {
10736 					bnx2x_link_int_enable(params);
10737 					params->link_flags &=
10738 						~LINK_FLAGS_INT_DISABLED;
10739 				}
10740 			}
10741 		}
10742 		break;
10743 	}
10744 
10745 	/* This is a workaround for E3+84833 until autoneg
10746 	 * restart is fixed in f/w
10747 	 */
10748 	if (CHIP_IS_E3(bp)) {
10749 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10750 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10751 	}
10752 }
10753 
10754 /******************************************************************/
10755 /*			54618SE PHY SECTION			  */
10756 /******************************************************************/
10757 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10758 					struct link_params *params,
10759 					u32 action)
10760 {
10761 	struct bnx2x *bp = params->bp;
10762 	u16 temp;
10763 	switch (action) {
10764 	case PHY_INIT:
10765 		/* Configure LED4: set to INTR (0x6). */
10766 		/* Accessing shadow register 0xe. */
10767 		bnx2x_cl22_write(bp, phy,
10768 				 MDIO_REG_GPHY_SHADOW,
10769 				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10770 		bnx2x_cl22_read(bp, phy,
10771 				MDIO_REG_GPHY_SHADOW,
10772 				&temp);
10773 		temp &= ~(0xf << 4);
10774 		temp |= (0x6 << 4);
10775 		bnx2x_cl22_write(bp, phy,
10776 				 MDIO_REG_GPHY_SHADOW,
10777 				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10778 		/* Configure INTR based on link status change. */
10779 		bnx2x_cl22_write(bp, phy,
10780 				 MDIO_REG_INTR_MASK,
10781 				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10782 		break;
10783 	}
10784 }
10785 
10786 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10787 					       struct link_params *params,
10788 					       struct link_vars *vars)
10789 {
10790 	struct bnx2x *bp = params->bp;
10791 	u8 port;
10792 	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10793 	u32 cfg_pin;
10794 
10795 	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10796 	usleep_range(1000, 2000);
10797 
10798 	/* This works with E3 only, no need to check the chip
10799 	 * before determining the port.
10800 	 */
10801 	port = params->port;
10802 
10803 	cfg_pin = (REG_RD(bp, params->shmem_base +
10804 			offsetof(struct shmem_region,
10805 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10806 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10807 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10808 
10809 	/* Drive pin high to bring the GPHY out of reset. */
10810 	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10811 
10812 	/* wait for GPHY to reset */
10813 	msleep(50);
10814 
10815 	/* reset phy */
10816 	bnx2x_cl22_write(bp, phy,
10817 			 MDIO_PMA_REG_CTRL, 0x8000);
10818 	bnx2x_wait_reset_complete(bp, phy, params);
10819 
10820 	/* Wait for GPHY to reset */
10821 	msleep(50);
10822 
10823 
10824 	bnx2x_54618se_specific_func(phy, params, PHY_INIT);
10825 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10826 	bnx2x_cl22_write(bp, phy,
10827 			MDIO_REG_GPHY_SHADOW,
10828 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10829 	bnx2x_cl22_read(bp, phy,
10830 			MDIO_REG_GPHY_SHADOW,
10831 			&temp);
10832 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10833 	bnx2x_cl22_write(bp, phy,
10834 			MDIO_REG_GPHY_SHADOW,
10835 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10836 
10837 	/* Set up fc */
10838 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10839 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10840 	fc_val = 0;
10841 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10842 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10843 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10844 
10845 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10846 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10847 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10848 
10849 	/* Read all advertisement */
10850 	bnx2x_cl22_read(bp, phy,
10851 			0x09,
10852 			&an_1000_val);
10853 
10854 	bnx2x_cl22_read(bp, phy,
10855 			0x04,
10856 			&an_10_100_val);
10857 
10858 	bnx2x_cl22_read(bp, phy,
10859 			MDIO_PMA_REG_CTRL,
10860 			&autoneg_val);
10861 
10862 	/* Disable forced speed */
10863 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10864 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10865 			   (1<<11));
10866 
10867 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10868 	     (phy->speed_cap_mask &
10869 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10870 	    (phy->req_line_speed == SPEED_1000)) {
10871 		an_1000_val |= (1<<8);
10872 		autoneg_val |= (1<<9 | 1<<12);
10873 		if (phy->req_duplex == DUPLEX_FULL)
10874 			an_1000_val |= (1<<9);
10875 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
10876 	} else
10877 		an_1000_val &= ~((1<<8) | (1<<9));
10878 
10879 	bnx2x_cl22_write(bp, phy,
10880 			0x09,
10881 			an_1000_val);
10882 	bnx2x_cl22_read(bp, phy,
10883 			0x09,
10884 			&an_1000_val);
10885 
10886 	/* Advertise 10/100 link speed */
10887 	if (phy->req_line_speed == SPEED_AUTO_NEG) {
10888 		if (phy->speed_cap_mask &
10889 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
10890 			an_10_100_val |= (1<<5);
10891 			autoneg_val |= (1<<9 | 1<<12);
10892 			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
10893 		}
10894 		if (phy->speed_cap_mask &
10895 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
10896 			an_10_100_val |= (1<<6);
10897 			autoneg_val |= (1<<9 | 1<<12);
10898 			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
10899 		}
10900 		if (phy->speed_cap_mask &
10901 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10902 			an_10_100_val |= (1<<7);
10903 			autoneg_val |= (1<<9 | 1<<12);
10904 			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
10905 		}
10906 		if (phy->speed_cap_mask &
10907 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10908 			an_10_100_val |= (1<<8);
10909 			autoneg_val |= (1<<9 | 1<<12);
10910 			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
10911 		}
10912 	}
10913 
10914 	/* Only 10/100 are allowed to work in FORCE mode */
10915 	if (phy->req_line_speed == SPEED_100) {
10916 		autoneg_val |= (1<<13);
10917 		/* Enabled AUTO-MDIX when autoneg is disabled */
10918 		bnx2x_cl22_write(bp, phy,
10919 				0x18,
10920 				(1<<15 | 1<<9 | 7<<0));
10921 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
10922 	}
10923 	if (phy->req_line_speed == SPEED_10) {
10924 		/* Enabled AUTO-MDIX when autoneg is disabled */
10925 		bnx2x_cl22_write(bp, phy,
10926 				0x18,
10927 				(1<<15 | 1<<9 | 7<<0));
10928 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
10929 	}
10930 
10931 	if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10932 		int rc;
10933 
10934 		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10935 				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10936 				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10937 		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10938 		temp &= 0xfffe;
10939 		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10940 
10941 		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10942 		if (rc) {
10943 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10944 			bnx2x_eee_disable(phy, params, vars);
10945 		} else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10946 			   (phy->req_duplex == DUPLEX_FULL) &&
10947 			   (bnx2x_eee_calc_timer(params) ||
10948 			    !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10949 			/* Need to advertise EEE only when requested,
10950 			 * and either no LPI assertion was requested,
10951 			 * or it was requested and a valid timer was set.
10952 			 * Also notice full duplex is required for EEE.
10953 			 */
10954 			bnx2x_eee_advertise(phy, params, vars,
10955 					    SHMEM_EEE_1G_ADV);
10956 		} else {
10957 			DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10958 			bnx2x_eee_disable(phy, params, vars);
10959 		}
10960 	} else {
10961 		vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10962 				    SHMEM_EEE_SUPPORTED_SHIFT;
10963 
10964 		if (phy->flags & FLAGS_EEE) {
10965 			/* Handle legacy auto-grEEEn */
10966 			if (params->feature_config_flags &
10967 			    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10968 				temp = 6;
10969 				DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10970 			} else {
10971 				temp = 0;
10972 				DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10973 			}
10974 			bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10975 					 MDIO_AN_REG_EEE_ADV, temp);
10976 		}
10977 	}
10978 
10979 	bnx2x_cl22_write(bp, phy,
10980 			0x04,
10981 			an_10_100_val | fc_val);
10982 
10983 	if (phy->req_duplex == DUPLEX_FULL)
10984 		autoneg_val |= (1<<8);
10985 
10986 	bnx2x_cl22_write(bp, phy,
10987 			MDIO_PMA_REG_CTRL, autoneg_val);
10988 
10989 	return 0;
10990 }
10991 
10992 
10993 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10994 				       struct link_params *params, u8 mode)
10995 {
10996 	struct bnx2x *bp = params->bp;
10997 	u16 temp;
10998 
10999 	bnx2x_cl22_write(bp, phy,
11000 		MDIO_REG_GPHY_SHADOW,
11001 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
11002 	bnx2x_cl22_read(bp, phy,
11003 		MDIO_REG_GPHY_SHADOW,
11004 		&temp);
11005 	temp &= 0xff00;
11006 
11007 	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
11008 	switch (mode) {
11009 	case LED_MODE_FRONT_PANEL_OFF:
11010 	case LED_MODE_OFF:
11011 		temp |= 0x00ee;
11012 		break;
11013 	case LED_MODE_OPER:
11014 		temp |= 0x0001;
11015 		break;
11016 	case LED_MODE_ON:
11017 		temp |= 0x00ff;
11018 		break;
11019 	default:
11020 		break;
11021 	}
11022 	bnx2x_cl22_write(bp, phy,
11023 		MDIO_REG_GPHY_SHADOW,
11024 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11025 	return;
11026 }
11027 
11028 
11029 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
11030 				     struct link_params *params)
11031 {
11032 	struct bnx2x *bp = params->bp;
11033 	u32 cfg_pin;
11034 	u8 port;
11035 
11036 	/* In case of no EPIO routed to reset the GPHY, put it
11037 	 * in low power mode.
11038 	 */
11039 	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
11040 	/* This works with E3 only, no need to check the chip
11041 	 * before determining the port.
11042 	 */
11043 	port = params->port;
11044 	cfg_pin = (REG_RD(bp, params->shmem_base +
11045 			offsetof(struct shmem_region,
11046 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11047 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11048 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11049 
11050 	/* Drive pin low to put GPHY in reset. */
11051 	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11052 }
11053 
11054 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11055 				    struct link_params *params,
11056 				    struct link_vars *vars)
11057 {
11058 	struct bnx2x *bp = params->bp;
11059 	u16 val;
11060 	u8 link_up = 0;
11061 	u16 legacy_status, legacy_speed;
11062 
11063 	/* Get speed operation status */
11064 	bnx2x_cl22_read(bp, phy,
11065 			MDIO_REG_GPHY_AUX_STATUS,
11066 			&legacy_status);
11067 	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11068 
11069 	/* Read status to clear the PHY interrupt. */
11070 	bnx2x_cl22_read(bp, phy,
11071 			MDIO_REG_INTR_STATUS,
11072 			&val);
11073 
11074 	link_up = ((legacy_status & (1<<2)) == (1<<2));
11075 
11076 	if (link_up) {
11077 		legacy_speed = (legacy_status & (7<<8));
11078 		if (legacy_speed == (7<<8)) {
11079 			vars->line_speed = SPEED_1000;
11080 			vars->duplex = DUPLEX_FULL;
11081 		} else if (legacy_speed == (6<<8)) {
11082 			vars->line_speed = SPEED_1000;
11083 			vars->duplex = DUPLEX_HALF;
11084 		} else if (legacy_speed == (5<<8)) {
11085 			vars->line_speed = SPEED_100;
11086 			vars->duplex = DUPLEX_FULL;
11087 		}
11088 		/* Omitting 100Base-T4 for now */
11089 		else if (legacy_speed == (3<<8)) {
11090 			vars->line_speed = SPEED_100;
11091 			vars->duplex = DUPLEX_HALF;
11092 		} else if (legacy_speed == (2<<8)) {
11093 			vars->line_speed = SPEED_10;
11094 			vars->duplex = DUPLEX_FULL;
11095 		} else if (legacy_speed == (1<<8)) {
11096 			vars->line_speed = SPEED_10;
11097 			vars->duplex = DUPLEX_HALF;
11098 		} else /* Should not happen */
11099 			vars->line_speed = 0;
11100 
11101 		DP(NETIF_MSG_LINK,
11102 		   "Link is up in %dMbps, is_duplex_full= %d\n",
11103 		   vars->line_speed,
11104 		   (vars->duplex == DUPLEX_FULL));
11105 
11106 		/* Check legacy speed AN resolution */
11107 		bnx2x_cl22_read(bp, phy,
11108 				0x01,
11109 				&val);
11110 		if (val & (1<<5))
11111 			vars->link_status |=
11112 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11113 		bnx2x_cl22_read(bp, phy,
11114 				0x06,
11115 				&val);
11116 		if ((val & (1<<0)) == 0)
11117 			vars->link_status |=
11118 				LINK_STATUS_PARALLEL_DETECTION_USED;
11119 
11120 		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11121 			   vars->line_speed);
11122 
11123 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11124 
11125 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11126 			/* Report LP advertised speeds */
11127 			bnx2x_cl22_read(bp, phy, 0x5, &val);
11128 
11129 			if (val & (1<<5))
11130 				vars->link_status |=
11131 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11132 			if (val & (1<<6))
11133 				vars->link_status |=
11134 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11135 			if (val & (1<<7))
11136 				vars->link_status |=
11137 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11138 			if (val & (1<<8))
11139 				vars->link_status |=
11140 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11141 			if (val & (1<<9))
11142 				vars->link_status |=
11143 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11144 
11145 			bnx2x_cl22_read(bp, phy, 0xa, &val);
11146 			if (val & (1<<10))
11147 				vars->link_status |=
11148 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11149 			if (val & (1<<11))
11150 				vars->link_status |=
11151 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11152 
11153 			if ((phy->flags & FLAGS_EEE) &&
11154 			    bnx2x_eee_has_cap(params))
11155 				bnx2x_eee_an_resolve(phy, params, vars);
11156 		}
11157 	}
11158 	return link_up;
11159 }
11160 
11161 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11162 					  struct link_params *params)
11163 {
11164 	struct bnx2x *bp = params->bp;
11165 	u16 val;
11166 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11167 
11168 	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11169 
11170 	/* Enable master/slave manual mmode and set to master */
11171 	/* mii write 9 [bits set 11 12] */
11172 	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11173 
11174 	/* forced 1G and disable autoneg */
11175 	/* set val [mii read 0] */
11176 	/* set val [expr $val & [bits clear 6 12 13]] */
11177 	/* set val [expr $val | [bits set 6 8]] */
11178 	/* mii write 0 $val */
11179 	bnx2x_cl22_read(bp, phy, 0x00, &val);
11180 	val &= ~((1<<6) | (1<<12) | (1<<13));
11181 	val |= (1<<6) | (1<<8);
11182 	bnx2x_cl22_write(bp, phy, 0x00, val);
11183 
11184 	/* Set external loopback and Tx using 6dB coding */
11185 	/* mii write 0x18 7 */
11186 	/* set val [mii read 0x18] */
11187 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
11188 	bnx2x_cl22_write(bp, phy, 0x18, 7);
11189 	bnx2x_cl22_read(bp, phy, 0x18, &val);
11190 	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11191 
11192 	/* This register opens the gate for the UMAC despite its name */
11193 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11194 
11195 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11196 	 * length used by the MAC receive logic to check frames.
11197 	 */
11198 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11199 }
11200 
11201 /******************************************************************/
11202 /*			SFX7101 PHY SECTION			  */
11203 /******************************************************************/
11204 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11205 				       struct link_params *params)
11206 {
11207 	struct bnx2x *bp = params->bp;
11208 	/* SFX7101_XGXS_TEST1 */
11209 	bnx2x_cl45_write(bp, phy,
11210 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11211 }
11212 
11213 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11214 				  struct link_params *params,
11215 				  struct link_vars *vars)
11216 {
11217 	u16 fw_ver1, fw_ver2, val;
11218 	struct bnx2x *bp = params->bp;
11219 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11220 
11221 	/* Restore normal power mode*/
11222 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11223 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11224 	/* HW reset */
11225 	bnx2x_ext_phy_hw_reset(bp, params->port);
11226 	bnx2x_wait_reset_complete(bp, phy, params);
11227 
11228 	bnx2x_cl45_write(bp, phy,
11229 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11230 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11231 	bnx2x_cl45_write(bp, phy,
11232 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11233 
11234 	bnx2x_ext_phy_set_pause(params, phy, vars);
11235 	/* Restart autoneg */
11236 	bnx2x_cl45_read(bp, phy,
11237 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11238 	val |= 0x200;
11239 	bnx2x_cl45_write(bp, phy,
11240 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11241 
11242 	/* Save spirom version */
11243 	bnx2x_cl45_read(bp, phy,
11244 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11245 
11246 	bnx2x_cl45_read(bp, phy,
11247 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11248 	bnx2x_save_spirom_version(bp, params->port,
11249 				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11250 	return 0;
11251 }
11252 
11253 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11254 				 struct link_params *params,
11255 				 struct link_vars *vars)
11256 {
11257 	struct bnx2x *bp = params->bp;
11258 	u8 link_up;
11259 	u16 val1, val2;
11260 	bnx2x_cl45_read(bp, phy,
11261 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11262 	bnx2x_cl45_read(bp, phy,
11263 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11264 	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11265 		   val2, val1);
11266 	bnx2x_cl45_read(bp, phy,
11267 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11268 	bnx2x_cl45_read(bp, phy,
11269 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11270 	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11271 		   val2, val1);
11272 	link_up = ((val1 & 4) == 4);
11273 	/* If link is up print the AN outcome of the SFX7101 PHY */
11274 	if (link_up) {
11275 		bnx2x_cl45_read(bp, phy,
11276 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11277 				&val2);
11278 		vars->line_speed = SPEED_10000;
11279 		vars->duplex = DUPLEX_FULL;
11280 		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11281 			   val2, (val2 & (1<<14)));
11282 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11283 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11284 
11285 		/* Read LP advertised speeds */
11286 		if (val2 & (1<<11))
11287 			vars->link_status |=
11288 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11289 	}
11290 	return link_up;
11291 }
11292 
11293 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11294 {
11295 	if (*len < 5)
11296 		return -EINVAL;
11297 	str[0] = (spirom_ver & 0xFF);
11298 	str[1] = (spirom_ver & 0xFF00) >> 8;
11299 	str[2] = (spirom_ver & 0xFF0000) >> 16;
11300 	str[3] = (spirom_ver & 0xFF000000) >> 24;
11301 	str[4] = '\0';
11302 	*len -= 5;
11303 	return 0;
11304 }
11305 
11306 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11307 {
11308 	u16 val, cnt;
11309 
11310 	bnx2x_cl45_read(bp, phy,
11311 			MDIO_PMA_DEVAD,
11312 			MDIO_PMA_REG_7101_RESET, &val);
11313 
11314 	for (cnt = 0; cnt < 10; cnt++) {
11315 		msleep(50);
11316 		/* Writes a self-clearing reset */
11317 		bnx2x_cl45_write(bp, phy,
11318 				 MDIO_PMA_DEVAD,
11319 				 MDIO_PMA_REG_7101_RESET,
11320 				 (val | (1<<15)));
11321 		/* Wait for clear */
11322 		bnx2x_cl45_read(bp, phy,
11323 				MDIO_PMA_DEVAD,
11324 				MDIO_PMA_REG_7101_RESET, &val);
11325 
11326 		if ((val & (1<<15)) == 0)
11327 			break;
11328 	}
11329 }
11330 
11331 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11332 				struct link_params *params) {
11333 	/* Low power mode is controlled by GPIO 2 */
11334 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11335 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11336 	/* The PHY reset is controlled by GPIO 1 */
11337 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11338 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11339 }
11340 
11341 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11342 				    struct link_params *params, u8 mode)
11343 {
11344 	u16 val = 0;
11345 	struct bnx2x *bp = params->bp;
11346 	switch (mode) {
11347 	case LED_MODE_FRONT_PANEL_OFF:
11348 	case LED_MODE_OFF:
11349 		val = 2;
11350 		break;
11351 	case LED_MODE_ON:
11352 		val = 1;
11353 		break;
11354 	case LED_MODE_OPER:
11355 		val = 0;
11356 		break;
11357 	}
11358 	bnx2x_cl45_write(bp, phy,
11359 			 MDIO_PMA_DEVAD,
11360 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11361 			 val);
11362 }
11363 
11364 /******************************************************************/
11365 /*			STATIC PHY DECLARATION			  */
11366 /******************************************************************/
11367 
11368 static const struct bnx2x_phy phy_null = {
11369 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11370 	.addr		= 0,
11371 	.def_md_devad	= 0,
11372 	.flags		= FLAGS_INIT_XGXS_FIRST,
11373 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11374 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11375 	.mdio_ctrl	= 0,
11376 	.supported	= 0,
11377 	.media_type	= ETH_PHY_NOT_PRESENT,
11378 	.ver_addr	= 0,
11379 	.req_flow_ctrl	= 0,
11380 	.req_line_speed	= 0,
11381 	.speed_cap_mask	= 0,
11382 	.req_duplex	= 0,
11383 	.rsrv		= 0,
11384 	.config_init	= (config_init_t)NULL,
11385 	.read_status	= (read_status_t)NULL,
11386 	.link_reset	= (link_reset_t)NULL,
11387 	.config_loopback = (config_loopback_t)NULL,
11388 	.format_fw_ver	= (format_fw_ver_t)NULL,
11389 	.hw_reset	= (hw_reset_t)NULL,
11390 	.set_link_led	= (set_link_led_t)NULL,
11391 	.phy_specific_func = (phy_specific_func_t)NULL
11392 };
11393 
11394 static const struct bnx2x_phy phy_serdes = {
11395 	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11396 	.addr		= 0xff,
11397 	.def_md_devad	= 0,
11398 	.flags		= 0,
11399 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11400 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11401 	.mdio_ctrl	= 0,
11402 	.supported	= (SUPPORTED_10baseT_Half |
11403 			   SUPPORTED_10baseT_Full |
11404 			   SUPPORTED_100baseT_Half |
11405 			   SUPPORTED_100baseT_Full |
11406 			   SUPPORTED_1000baseT_Full |
11407 			   SUPPORTED_2500baseX_Full |
11408 			   SUPPORTED_TP |
11409 			   SUPPORTED_Autoneg |
11410 			   SUPPORTED_Pause |
11411 			   SUPPORTED_Asym_Pause),
11412 	.media_type	= ETH_PHY_BASE_T,
11413 	.ver_addr	= 0,
11414 	.req_flow_ctrl	= 0,
11415 	.req_line_speed	= 0,
11416 	.speed_cap_mask	= 0,
11417 	.req_duplex	= 0,
11418 	.rsrv		= 0,
11419 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11420 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11421 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11422 	.config_loopback = (config_loopback_t)NULL,
11423 	.format_fw_ver	= (format_fw_ver_t)NULL,
11424 	.hw_reset	= (hw_reset_t)NULL,
11425 	.set_link_led	= (set_link_led_t)NULL,
11426 	.phy_specific_func = (phy_specific_func_t)NULL
11427 };
11428 
11429 static const struct bnx2x_phy phy_xgxs = {
11430 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11431 	.addr		= 0xff,
11432 	.def_md_devad	= 0,
11433 	.flags		= 0,
11434 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11435 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11436 	.mdio_ctrl	= 0,
11437 	.supported	= (SUPPORTED_10baseT_Half |
11438 			   SUPPORTED_10baseT_Full |
11439 			   SUPPORTED_100baseT_Half |
11440 			   SUPPORTED_100baseT_Full |
11441 			   SUPPORTED_1000baseT_Full |
11442 			   SUPPORTED_2500baseX_Full |
11443 			   SUPPORTED_10000baseT_Full |
11444 			   SUPPORTED_FIBRE |
11445 			   SUPPORTED_Autoneg |
11446 			   SUPPORTED_Pause |
11447 			   SUPPORTED_Asym_Pause),
11448 	.media_type	= ETH_PHY_CX4,
11449 	.ver_addr	= 0,
11450 	.req_flow_ctrl	= 0,
11451 	.req_line_speed	= 0,
11452 	.speed_cap_mask	= 0,
11453 	.req_duplex	= 0,
11454 	.rsrv		= 0,
11455 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11456 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11457 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11458 	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11459 	.format_fw_ver	= (format_fw_ver_t)NULL,
11460 	.hw_reset	= (hw_reset_t)NULL,
11461 	.set_link_led	= (set_link_led_t)NULL,
11462 	.phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
11463 };
11464 static const struct bnx2x_phy phy_warpcore = {
11465 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11466 	.addr		= 0xff,
11467 	.def_md_devad	= 0,
11468 	.flags		= FLAGS_TX_ERROR_CHECK,
11469 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11470 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11471 	.mdio_ctrl	= 0,
11472 	.supported	= (SUPPORTED_10baseT_Half |
11473 			   SUPPORTED_10baseT_Full |
11474 			   SUPPORTED_100baseT_Half |
11475 			   SUPPORTED_100baseT_Full |
11476 			   SUPPORTED_1000baseT_Full |
11477 			   SUPPORTED_10000baseT_Full |
11478 			   SUPPORTED_20000baseKR2_Full |
11479 			   SUPPORTED_20000baseMLD2_Full |
11480 			   SUPPORTED_FIBRE |
11481 			   SUPPORTED_Autoneg |
11482 			   SUPPORTED_Pause |
11483 			   SUPPORTED_Asym_Pause),
11484 	.media_type	= ETH_PHY_UNSPECIFIED,
11485 	.ver_addr	= 0,
11486 	.req_flow_ctrl	= 0,
11487 	.req_line_speed	= 0,
11488 	.speed_cap_mask	= 0,
11489 	/* req_duplex = */0,
11490 	/* rsrv = */0,
11491 	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
11492 	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
11493 	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
11494 	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11495 	.format_fw_ver	= (format_fw_ver_t)NULL,
11496 	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11497 	.set_link_led	= (set_link_led_t)NULL,
11498 	.phy_specific_func = (phy_specific_func_t)NULL
11499 };
11500 
11501 
11502 static const struct bnx2x_phy phy_7101 = {
11503 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11504 	.addr		= 0xff,
11505 	.def_md_devad	= 0,
11506 	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
11507 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11508 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11509 	.mdio_ctrl	= 0,
11510 	.supported	= (SUPPORTED_10000baseT_Full |
11511 			   SUPPORTED_TP |
11512 			   SUPPORTED_Autoneg |
11513 			   SUPPORTED_Pause |
11514 			   SUPPORTED_Asym_Pause),
11515 	.media_type	= ETH_PHY_BASE_T,
11516 	.ver_addr	= 0,
11517 	.req_flow_ctrl	= 0,
11518 	.req_line_speed	= 0,
11519 	.speed_cap_mask	= 0,
11520 	.req_duplex	= 0,
11521 	.rsrv		= 0,
11522 	.config_init	= (config_init_t)bnx2x_7101_config_init,
11523 	.read_status	= (read_status_t)bnx2x_7101_read_status,
11524 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11525 	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11526 	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
11527 	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
11528 	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
11529 	.phy_specific_func = (phy_specific_func_t)NULL
11530 };
11531 static const struct bnx2x_phy phy_8073 = {
11532 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11533 	.addr		= 0xff,
11534 	.def_md_devad	= 0,
11535 	.flags		= 0,
11536 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11537 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11538 	.mdio_ctrl	= 0,
11539 	.supported	= (SUPPORTED_10000baseT_Full |
11540 			   SUPPORTED_2500baseX_Full |
11541 			   SUPPORTED_1000baseT_Full |
11542 			   SUPPORTED_FIBRE |
11543 			   SUPPORTED_Autoneg |
11544 			   SUPPORTED_Pause |
11545 			   SUPPORTED_Asym_Pause),
11546 	.media_type	= ETH_PHY_KR,
11547 	.ver_addr	= 0,
11548 	.req_flow_ctrl	= 0,
11549 	.req_line_speed	= 0,
11550 	.speed_cap_mask	= 0,
11551 	.req_duplex	= 0,
11552 	.rsrv		= 0,
11553 	.config_init	= (config_init_t)bnx2x_8073_config_init,
11554 	.read_status	= (read_status_t)bnx2x_8073_read_status,
11555 	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
11556 	.config_loopback = (config_loopback_t)NULL,
11557 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11558 	.hw_reset	= (hw_reset_t)NULL,
11559 	.set_link_led	= (set_link_led_t)NULL,
11560 	.phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
11561 };
11562 static const struct bnx2x_phy phy_8705 = {
11563 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11564 	.addr		= 0xff,
11565 	.def_md_devad	= 0,
11566 	.flags		= FLAGS_INIT_XGXS_FIRST,
11567 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11568 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11569 	.mdio_ctrl	= 0,
11570 	.supported	= (SUPPORTED_10000baseT_Full |
11571 			   SUPPORTED_FIBRE |
11572 			   SUPPORTED_Pause |
11573 			   SUPPORTED_Asym_Pause),
11574 	.media_type	= ETH_PHY_XFP_FIBER,
11575 	.ver_addr	= 0,
11576 	.req_flow_ctrl	= 0,
11577 	.req_line_speed	= 0,
11578 	.speed_cap_mask	= 0,
11579 	.req_duplex	= 0,
11580 	.rsrv		= 0,
11581 	.config_init	= (config_init_t)bnx2x_8705_config_init,
11582 	.read_status	= (read_status_t)bnx2x_8705_read_status,
11583 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11584 	.config_loopback = (config_loopback_t)NULL,
11585 	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
11586 	.hw_reset	= (hw_reset_t)NULL,
11587 	.set_link_led	= (set_link_led_t)NULL,
11588 	.phy_specific_func = (phy_specific_func_t)NULL
11589 };
11590 static const struct bnx2x_phy phy_8706 = {
11591 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11592 	.addr		= 0xff,
11593 	.def_md_devad	= 0,
11594 	.flags		= FLAGS_INIT_XGXS_FIRST,
11595 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11596 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11597 	.mdio_ctrl	= 0,
11598 	.supported	= (SUPPORTED_10000baseT_Full |
11599 			   SUPPORTED_1000baseT_Full |
11600 			   SUPPORTED_FIBRE |
11601 			   SUPPORTED_Pause |
11602 			   SUPPORTED_Asym_Pause),
11603 	.media_type	= ETH_PHY_SFPP_10G_FIBER,
11604 	.ver_addr	= 0,
11605 	.req_flow_ctrl	= 0,
11606 	.req_line_speed	= 0,
11607 	.speed_cap_mask	= 0,
11608 	.req_duplex	= 0,
11609 	.rsrv		= 0,
11610 	.config_init	= (config_init_t)bnx2x_8706_config_init,
11611 	.read_status	= (read_status_t)bnx2x_8706_read_status,
11612 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11613 	.config_loopback = (config_loopback_t)NULL,
11614 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11615 	.hw_reset	= (hw_reset_t)NULL,
11616 	.set_link_led	= (set_link_led_t)NULL,
11617 	.phy_specific_func = (phy_specific_func_t)NULL
11618 };
11619 
11620 static const struct bnx2x_phy phy_8726 = {
11621 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11622 	.addr		= 0xff,
11623 	.def_md_devad	= 0,
11624 	.flags		= (FLAGS_INIT_XGXS_FIRST |
11625 			   FLAGS_TX_ERROR_CHECK),
11626 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11627 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11628 	.mdio_ctrl	= 0,
11629 	.supported	= (SUPPORTED_10000baseT_Full |
11630 			   SUPPORTED_1000baseT_Full |
11631 			   SUPPORTED_Autoneg |
11632 			   SUPPORTED_FIBRE |
11633 			   SUPPORTED_Pause |
11634 			   SUPPORTED_Asym_Pause),
11635 	.media_type	= ETH_PHY_NOT_PRESENT,
11636 	.ver_addr	= 0,
11637 	.req_flow_ctrl	= 0,
11638 	.req_line_speed	= 0,
11639 	.speed_cap_mask	= 0,
11640 	.req_duplex	= 0,
11641 	.rsrv		= 0,
11642 	.config_init	= (config_init_t)bnx2x_8726_config_init,
11643 	.read_status	= (read_status_t)bnx2x_8726_read_status,
11644 	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
11645 	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11646 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11647 	.hw_reset	= (hw_reset_t)NULL,
11648 	.set_link_led	= (set_link_led_t)NULL,
11649 	.phy_specific_func = (phy_specific_func_t)NULL
11650 };
11651 
11652 static const struct bnx2x_phy phy_8727 = {
11653 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11654 	.addr		= 0xff,
11655 	.def_md_devad	= 0,
11656 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11657 			   FLAGS_TX_ERROR_CHECK),
11658 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11659 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11660 	.mdio_ctrl	= 0,
11661 	.supported	= (SUPPORTED_10000baseT_Full |
11662 			   SUPPORTED_1000baseT_Full |
11663 			   SUPPORTED_FIBRE |
11664 			   SUPPORTED_Pause |
11665 			   SUPPORTED_Asym_Pause),
11666 	.media_type	= ETH_PHY_NOT_PRESENT,
11667 	.ver_addr	= 0,
11668 	.req_flow_ctrl	= 0,
11669 	.req_line_speed	= 0,
11670 	.speed_cap_mask	= 0,
11671 	.req_duplex	= 0,
11672 	.rsrv		= 0,
11673 	.config_init	= (config_init_t)bnx2x_8727_config_init,
11674 	.read_status	= (read_status_t)bnx2x_8727_read_status,
11675 	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
11676 	.config_loopback = (config_loopback_t)NULL,
11677 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11678 	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
11679 	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
11680 	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11681 };
11682 static const struct bnx2x_phy phy_8481 = {
11683 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11684 	.addr		= 0xff,
11685 	.def_md_devad	= 0,
11686 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11687 			  FLAGS_REARM_LATCH_SIGNAL,
11688 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11689 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11690 	.mdio_ctrl	= 0,
11691 	.supported	= (SUPPORTED_10baseT_Half |
11692 			   SUPPORTED_10baseT_Full |
11693 			   SUPPORTED_100baseT_Half |
11694 			   SUPPORTED_100baseT_Full |
11695 			   SUPPORTED_1000baseT_Full |
11696 			   SUPPORTED_10000baseT_Full |
11697 			   SUPPORTED_TP |
11698 			   SUPPORTED_Autoneg |
11699 			   SUPPORTED_Pause |
11700 			   SUPPORTED_Asym_Pause),
11701 	.media_type	= ETH_PHY_BASE_T,
11702 	.ver_addr	= 0,
11703 	.req_flow_ctrl	= 0,
11704 	.req_line_speed	= 0,
11705 	.speed_cap_mask	= 0,
11706 	.req_duplex	= 0,
11707 	.rsrv		= 0,
11708 	.config_init	= (config_init_t)bnx2x_8481_config_init,
11709 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11710 	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
11711 	.config_loopback = (config_loopback_t)NULL,
11712 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11713 	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
11714 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11715 	.phy_specific_func = (phy_specific_func_t)NULL
11716 };
11717 
11718 static const struct bnx2x_phy phy_84823 = {
11719 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11720 	.addr		= 0xff,
11721 	.def_md_devad	= 0,
11722 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11723 			   FLAGS_REARM_LATCH_SIGNAL |
11724 			   FLAGS_TX_ERROR_CHECK),
11725 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11726 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11727 	.mdio_ctrl	= 0,
11728 	.supported	= (SUPPORTED_10baseT_Half |
11729 			   SUPPORTED_10baseT_Full |
11730 			   SUPPORTED_100baseT_Half |
11731 			   SUPPORTED_100baseT_Full |
11732 			   SUPPORTED_1000baseT_Full |
11733 			   SUPPORTED_10000baseT_Full |
11734 			   SUPPORTED_TP |
11735 			   SUPPORTED_Autoneg |
11736 			   SUPPORTED_Pause |
11737 			   SUPPORTED_Asym_Pause),
11738 	.media_type	= ETH_PHY_BASE_T,
11739 	.ver_addr	= 0,
11740 	.req_flow_ctrl	= 0,
11741 	.req_line_speed	= 0,
11742 	.speed_cap_mask	= 0,
11743 	.req_duplex	= 0,
11744 	.rsrv		= 0,
11745 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11746 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11747 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11748 	.config_loopback = (config_loopback_t)NULL,
11749 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11750 	.hw_reset	= (hw_reset_t)NULL,
11751 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11752 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11753 };
11754 
11755 static const struct bnx2x_phy phy_84833 = {
11756 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11757 	.addr		= 0xff,
11758 	.def_md_devad	= 0,
11759 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11760 			   FLAGS_REARM_LATCH_SIGNAL |
11761 			   FLAGS_TX_ERROR_CHECK),
11762 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11763 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11764 	.mdio_ctrl	= 0,
11765 	.supported	= (SUPPORTED_100baseT_Half |
11766 			   SUPPORTED_100baseT_Full |
11767 			   SUPPORTED_1000baseT_Full |
11768 			   SUPPORTED_10000baseT_Full |
11769 			   SUPPORTED_TP |
11770 			   SUPPORTED_Autoneg |
11771 			   SUPPORTED_Pause |
11772 			   SUPPORTED_Asym_Pause),
11773 	.media_type	= ETH_PHY_BASE_T,
11774 	.ver_addr	= 0,
11775 	.req_flow_ctrl	= 0,
11776 	.req_line_speed	= 0,
11777 	.speed_cap_mask	= 0,
11778 	.req_duplex	= 0,
11779 	.rsrv		= 0,
11780 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11781 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11782 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11783 	.config_loopback = (config_loopback_t)NULL,
11784 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11785 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11786 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11787 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11788 };
11789 
11790 static const struct bnx2x_phy phy_84834 = {
11791 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11792 	.addr		= 0xff,
11793 	.def_md_devad	= 0,
11794 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11795 			    FLAGS_REARM_LATCH_SIGNAL,
11796 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11797 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11798 	.mdio_ctrl	= 0,
11799 	.supported	= (SUPPORTED_100baseT_Half |
11800 			   SUPPORTED_100baseT_Full |
11801 			   SUPPORTED_1000baseT_Full |
11802 			   SUPPORTED_10000baseT_Full |
11803 			   SUPPORTED_TP |
11804 			   SUPPORTED_Autoneg |
11805 			   SUPPORTED_Pause |
11806 			   SUPPORTED_Asym_Pause),
11807 	.media_type	= ETH_PHY_BASE_T,
11808 	.ver_addr	= 0,
11809 	.req_flow_ctrl	= 0,
11810 	.req_line_speed	= 0,
11811 	.speed_cap_mask	= 0,
11812 	.req_duplex	= 0,
11813 	.rsrv		= 0,
11814 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11815 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11816 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11817 	.config_loopback = (config_loopback_t)NULL,
11818 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11819 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11820 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11821 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11822 };
11823 
11824 static const struct bnx2x_phy phy_54618se = {
11825 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11826 	.addr		= 0xff,
11827 	.def_md_devad	= 0,
11828 	.flags		= FLAGS_INIT_XGXS_FIRST,
11829 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11830 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11831 	.mdio_ctrl	= 0,
11832 	.supported	= (SUPPORTED_10baseT_Half |
11833 			   SUPPORTED_10baseT_Full |
11834 			   SUPPORTED_100baseT_Half |
11835 			   SUPPORTED_100baseT_Full |
11836 			   SUPPORTED_1000baseT_Full |
11837 			   SUPPORTED_TP |
11838 			   SUPPORTED_Autoneg |
11839 			   SUPPORTED_Pause |
11840 			   SUPPORTED_Asym_Pause),
11841 	.media_type	= ETH_PHY_BASE_T,
11842 	.ver_addr	= 0,
11843 	.req_flow_ctrl	= 0,
11844 	.req_line_speed	= 0,
11845 	.speed_cap_mask	= 0,
11846 	/* req_duplex = */0,
11847 	/* rsrv = */0,
11848 	.config_init	= (config_init_t)bnx2x_54618se_config_init,
11849 	.read_status	= (read_status_t)bnx2x_54618se_read_status,
11850 	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
11851 	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11852 	.format_fw_ver	= (format_fw_ver_t)NULL,
11853 	.hw_reset	= (hw_reset_t)NULL,
11854 	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
11855 	.phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
11856 };
11857 /*****************************************************************/
11858 /*                                                               */
11859 /* Populate the phy according. Main function: bnx2x_populate_phy   */
11860 /*                                                               */
11861 /*****************************************************************/
11862 
11863 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11864 				     struct bnx2x_phy *phy, u8 port,
11865 				     u8 phy_index)
11866 {
11867 	/* Get the 4 lanes xgxs config rx and tx */
11868 	u32 rx = 0, tx = 0, i;
11869 	for (i = 0; i < 2; i++) {
11870 		/* INT_PHY and EXT_PHY1 share the same value location in
11871 		 * the shmem. When num_phys is greater than 1, than this value
11872 		 * applies only to EXT_PHY1
11873 		 */
11874 		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11875 			rx = REG_RD(bp, shmem_base +
11876 				    offsetof(struct shmem_region,
11877 			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11878 
11879 			tx = REG_RD(bp, shmem_base +
11880 				    offsetof(struct shmem_region,
11881 			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11882 		} else {
11883 			rx = REG_RD(bp, shmem_base +
11884 				    offsetof(struct shmem_region,
11885 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11886 
11887 			tx = REG_RD(bp, shmem_base +
11888 				    offsetof(struct shmem_region,
11889 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11890 		}
11891 
11892 		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11893 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11894 
11895 		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11896 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11897 	}
11898 }
11899 
11900 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11901 				    u8 phy_index, u8 port)
11902 {
11903 	u32 ext_phy_config = 0;
11904 	switch (phy_index) {
11905 	case EXT_PHY1:
11906 		ext_phy_config = REG_RD(bp, shmem_base +
11907 					      offsetof(struct shmem_region,
11908 			dev_info.port_hw_config[port].external_phy_config));
11909 		break;
11910 	case EXT_PHY2:
11911 		ext_phy_config = REG_RD(bp, shmem_base +
11912 					      offsetof(struct shmem_region,
11913 			dev_info.port_hw_config[port].external_phy_config2));
11914 		break;
11915 	default:
11916 		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11917 		return -EINVAL;
11918 	}
11919 
11920 	return ext_phy_config;
11921 }
11922 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11923 				  struct bnx2x_phy *phy)
11924 {
11925 	u32 phy_addr;
11926 	u32 chip_id;
11927 	u32 switch_cfg = (REG_RD(bp, shmem_base +
11928 				       offsetof(struct shmem_region,
11929 			dev_info.port_feature_config[port].link_config)) &
11930 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
11931 	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11932 		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11933 
11934 	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11935 	if (USES_WARPCORE(bp)) {
11936 		u32 serdes_net_if;
11937 		phy_addr = REG_RD(bp,
11938 				  MISC_REG_WC0_CTRL_PHY_ADDR);
11939 		*phy = phy_warpcore;
11940 		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11941 			phy->flags |= FLAGS_4_PORT_MODE;
11942 		else
11943 			phy->flags &= ~FLAGS_4_PORT_MODE;
11944 			/* Check Dual mode */
11945 		serdes_net_if = (REG_RD(bp, shmem_base +
11946 					offsetof(struct shmem_region, dev_info.
11947 					port_hw_config[port].default_cfg)) &
11948 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
11949 		/* Set the appropriate supported and flags indications per
11950 		 * interface type of the chip
11951 		 */
11952 		switch (serdes_net_if) {
11953 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11954 			phy->supported &= (SUPPORTED_10baseT_Half |
11955 					   SUPPORTED_10baseT_Full |
11956 					   SUPPORTED_100baseT_Half |
11957 					   SUPPORTED_100baseT_Full |
11958 					   SUPPORTED_1000baseT_Full |
11959 					   SUPPORTED_FIBRE |
11960 					   SUPPORTED_Autoneg |
11961 					   SUPPORTED_Pause |
11962 					   SUPPORTED_Asym_Pause);
11963 			phy->media_type = ETH_PHY_BASE_T;
11964 			break;
11965 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
11966 			phy->supported &= (SUPPORTED_1000baseT_Full |
11967 					   SUPPORTED_10000baseT_Full |
11968 					   SUPPORTED_FIBRE |
11969 					   SUPPORTED_Pause |
11970 					   SUPPORTED_Asym_Pause);
11971 			phy->media_type = ETH_PHY_XFP_FIBER;
11972 			break;
11973 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
11974 			phy->supported &= (SUPPORTED_1000baseT_Full |
11975 					   SUPPORTED_10000baseT_Full |
11976 					   SUPPORTED_FIBRE |
11977 					   SUPPORTED_Pause |
11978 					   SUPPORTED_Asym_Pause);
11979 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11980 			break;
11981 		case PORT_HW_CFG_NET_SERDES_IF_KR:
11982 			phy->media_type = ETH_PHY_KR;
11983 			phy->supported &= (SUPPORTED_1000baseT_Full |
11984 					   SUPPORTED_10000baseT_Full |
11985 					   SUPPORTED_FIBRE |
11986 					   SUPPORTED_Autoneg |
11987 					   SUPPORTED_Pause |
11988 					   SUPPORTED_Asym_Pause);
11989 			break;
11990 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11991 			phy->media_type = ETH_PHY_KR;
11992 			phy->flags |= FLAGS_WC_DUAL_MODE;
11993 			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11994 					   SUPPORTED_FIBRE |
11995 					   SUPPORTED_Pause |
11996 					   SUPPORTED_Asym_Pause);
11997 			break;
11998 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
11999 			phy->media_type = ETH_PHY_KR;
12000 			phy->flags |= FLAGS_WC_DUAL_MODE;
12001 			phy->supported &= (SUPPORTED_20000baseKR2_Full |
12002 					   SUPPORTED_10000baseT_Full |
12003 					   SUPPORTED_1000baseT_Full |
12004 					   SUPPORTED_Autoneg |
12005 					   SUPPORTED_FIBRE |
12006 					   SUPPORTED_Pause |
12007 					   SUPPORTED_Asym_Pause);
12008 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12009 			break;
12010 		default:
12011 			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
12012 				       serdes_net_if);
12013 			break;
12014 		}
12015 
12016 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
12017 		 * was not set as expected. For B0, ECO will be enabled so there
12018 		 * won't be an issue there
12019 		 */
12020 		if (CHIP_REV(bp) == CHIP_REV_Ax)
12021 			phy->flags |= FLAGS_MDC_MDIO_WA;
12022 		else
12023 			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
12024 	} else {
12025 		switch (switch_cfg) {
12026 		case SWITCH_CFG_1G:
12027 			phy_addr = REG_RD(bp,
12028 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
12029 					  port * 0x10);
12030 			*phy = phy_serdes;
12031 			break;
12032 		case SWITCH_CFG_10G:
12033 			phy_addr = REG_RD(bp,
12034 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
12035 					  port * 0x18);
12036 			*phy = phy_xgxs;
12037 			break;
12038 		default:
12039 			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
12040 			return -EINVAL;
12041 		}
12042 	}
12043 	phy->addr = (u8)phy_addr;
12044 	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
12045 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
12046 					    port);
12047 	if (CHIP_IS_E2(bp))
12048 		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
12049 	else
12050 		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12051 
12052 	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12053 		   port, phy->addr, phy->mdio_ctrl);
12054 
12055 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12056 	return 0;
12057 }
12058 
12059 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12060 				  u8 phy_index,
12061 				  u32 shmem_base,
12062 				  u32 shmem2_base,
12063 				  u8 port,
12064 				  struct bnx2x_phy *phy)
12065 {
12066 	u32 ext_phy_config, phy_type, config2;
12067 	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12068 	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12069 						  phy_index, port);
12070 	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12071 	/* Select the phy type */
12072 	switch (phy_type) {
12073 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12074 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12075 		*phy = phy_8073;
12076 		break;
12077 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12078 		*phy = phy_8705;
12079 		break;
12080 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12081 		*phy = phy_8706;
12082 		break;
12083 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12084 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12085 		*phy = phy_8726;
12086 		break;
12087 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12088 		/* BCM8727_NOC => BCM8727 no over current */
12089 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12090 		*phy = phy_8727;
12091 		phy->flags |= FLAGS_NOC;
12092 		break;
12093 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12094 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12095 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12096 		*phy = phy_8727;
12097 		break;
12098 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12099 		*phy = phy_8481;
12100 		break;
12101 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12102 		*phy = phy_84823;
12103 		break;
12104 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12105 		*phy = phy_84833;
12106 		break;
12107 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12108 		*phy = phy_84834;
12109 		break;
12110 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12111 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12112 		*phy = phy_54618se;
12113 		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12114 			phy->flags |= FLAGS_EEE;
12115 		break;
12116 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12117 		*phy = phy_7101;
12118 		break;
12119 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12120 		*phy = phy_null;
12121 		return -EINVAL;
12122 	default:
12123 		*phy = phy_null;
12124 		/* In case external PHY wasn't found */
12125 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12126 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12127 			return -EINVAL;
12128 		return 0;
12129 	}
12130 
12131 	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12132 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12133 
12134 	/* The shmem address of the phy version is located on different
12135 	 * structures. In case this structure is too old, do not set
12136 	 * the address
12137 	 */
12138 	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12139 					dev_info.shared_hw_config.config2));
12140 	if (phy_index == EXT_PHY1) {
12141 		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12142 				port_mb[port].ext_phy_fw_version);
12143 
12144 		/* Check specific mdc mdio settings */
12145 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12146 			mdc_mdio_access = config2 &
12147 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12148 	} else {
12149 		u32 size = REG_RD(bp, shmem2_base);
12150 
12151 		if (size >
12152 		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12153 			phy->ver_addr = shmem2_base +
12154 			    offsetof(struct shmem2_region,
12155 				     ext_phy_fw_version2[port]);
12156 		}
12157 		/* Check specific mdc mdio settings */
12158 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12159 			mdc_mdio_access = (config2 &
12160 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12161 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12162 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12163 	}
12164 	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12165 
12166 	if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
12167 	     (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
12168 	    (phy->ver_addr)) {
12169 		/* Remove 100Mb link supported for BCM84833/4 when phy fw
12170 		 * version lower than or equal to 1.39
12171 		 */
12172 		u32 raw_ver = REG_RD(bp, phy->ver_addr);
12173 		if (((raw_ver & 0x7F) <= 39) &&
12174 		    (((raw_ver & 0xF80) >> 7) <= 1))
12175 			phy->supported &= ~(SUPPORTED_100baseT_Half |
12176 					    SUPPORTED_100baseT_Full);
12177 	}
12178 
12179 	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12180 		   phy_type, port, phy_index);
12181 	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
12182 		   phy->addr, phy->mdio_ctrl);
12183 	return 0;
12184 }
12185 
12186 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12187 			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12188 {
12189 	int status = 0;
12190 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12191 	if (phy_index == INT_PHY)
12192 		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12193 	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12194 					port, phy);
12195 	return status;
12196 }
12197 
12198 static void bnx2x_phy_def_cfg(struct link_params *params,
12199 			      struct bnx2x_phy *phy,
12200 			      u8 phy_index)
12201 {
12202 	struct bnx2x *bp = params->bp;
12203 	u32 link_config;
12204 	/* Populate the default phy configuration for MF mode */
12205 	if (phy_index == EXT_PHY2) {
12206 		link_config = REG_RD(bp, params->shmem_base +
12207 				     offsetof(struct shmem_region, dev_info.
12208 			port_feature_config[params->port].link_config2));
12209 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12210 					     offsetof(struct shmem_region,
12211 						      dev_info.
12212 			port_hw_config[params->port].speed_capability_mask2));
12213 	} else {
12214 		link_config = REG_RD(bp, params->shmem_base +
12215 				     offsetof(struct shmem_region, dev_info.
12216 				port_feature_config[params->port].link_config));
12217 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12218 					     offsetof(struct shmem_region,
12219 						      dev_info.
12220 			port_hw_config[params->port].speed_capability_mask));
12221 	}
12222 	DP(NETIF_MSG_LINK,
12223 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12224 	   phy_index, link_config, phy->speed_cap_mask);
12225 
12226 	phy->req_duplex = DUPLEX_FULL;
12227 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
12228 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
12229 		phy->req_duplex = DUPLEX_HALF;
12230 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
12231 		phy->req_line_speed = SPEED_10;
12232 		break;
12233 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
12234 		phy->req_duplex = DUPLEX_HALF;
12235 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
12236 		phy->req_line_speed = SPEED_100;
12237 		break;
12238 	case PORT_FEATURE_LINK_SPEED_1G:
12239 		phy->req_line_speed = SPEED_1000;
12240 		break;
12241 	case PORT_FEATURE_LINK_SPEED_2_5G:
12242 		phy->req_line_speed = SPEED_2500;
12243 		break;
12244 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
12245 		phy->req_line_speed = SPEED_10000;
12246 		break;
12247 	default:
12248 		phy->req_line_speed = SPEED_AUTO_NEG;
12249 		break;
12250 	}
12251 
12252 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12253 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
12254 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12255 		break;
12256 	case PORT_FEATURE_FLOW_CONTROL_TX:
12257 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12258 		break;
12259 	case PORT_FEATURE_FLOW_CONTROL_RX:
12260 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12261 		break;
12262 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
12263 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12264 		break;
12265 	default:
12266 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12267 		break;
12268 	}
12269 }
12270 
12271 u32 bnx2x_phy_selection(struct link_params *params)
12272 {
12273 	u32 phy_config_swapped, prio_cfg;
12274 	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12275 
12276 	phy_config_swapped = params->multi_phy_config &
12277 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12278 
12279 	prio_cfg = params->multi_phy_config &
12280 			PORT_HW_CFG_PHY_SELECTION_MASK;
12281 
12282 	if (phy_config_swapped) {
12283 		switch (prio_cfg) {
12284 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12285 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12286 		     break;
12287 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12288 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12289 		     break;
12290 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12291 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12292 		     break;
12293 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12294 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12295 		     break;
12296 		}
12297 	} else
12298 		return_cfg = prio_cfg;
12299 
12300 	return return_cfg;
12301 }
12302 
12303 int bnx2x_phy_probe(struct link_params *params)
12304 {
12305 	u8 phy_index, actual_phy_idx;
12306 	u32 phy_config_swapped, sync_offset, media_types;
12307 	struct bnx2x *bp = params->bp;
12308 	struct bnx2x_phy *phy;
12309 	params->num_phys = 0;
12310 	DP(NETIF_MSG_LINK, "Begin phy probe\n");
12311 	phy_config_swapped = params->multi_phy_config &
12312 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12313 
12314 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12315 	      phy_index++) {
12316 		actual_phy_idx = phy_index;
12317 		if (phy_config_swapped) {
12318 			if (phy_index == EXT_PHY1)
12319 				actual_phy_idx = EXT_PHY2;
12320 			else if (phy_index == EXT_PHY2)
12321 				actual_phy_idx = EXT_PHY1;
12322 		}
12323 		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12324 			       " actual_phy_idx %x\n", phy_config_swapped,
12325 			   phy_index, actual_phy_idx);
12326 		phy = &params->phy[actual_phy_idx];
12327 		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12328 				       params->shmem2_base, params->port,
12329 				       phy) != 0) {
12330 			params->num_phys = 0;
12331 			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12332 				   phy_index);
12333 			for (phy_index = INT_PHY;
12334 			      phy_index < MAX_PHYS;
12335 			      phy_index++)
12336 				*phy = phy_null;
12337 			return -EINVAL;
12338 		}
12339 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12340 			break;
12341 
12342 		if (params->feature_config_flags &
12343 		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12344 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12345 
12346 		if (!(params->feature_config_flags &
12347 		      FEATURE_CONFIG_MT_SUPPORT))
12348 			phy->flags |= FLAGS_MDC_MDIO_WA_G;
12349 
12350 		sync_offset = params->shmem_base +
12351 			offsetof(struct shmem_region,
12352 			dev_info.port_hw_config[params->port].media_type);
12353 		media_types = REG_RD(bp, sync_offset);
12354 
12355 		/* Update media type for non-PMF sync only for the first time
12356 		 * In case the media type changes afterwards, it will be updated
12357 		 * using the update_status function
12358 		 */
12359 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12360 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12361 				     actual_phy_idx))) == 0) {
12362 			media_types |= ((phy->media_type &
12363 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12364 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12365 				 actual_phy_idx));
12366 		}
12367 		REG_WR(bp, sync_offset, media_types);
12368 
12369 		bnx2x_phy_def_cfg(params, phy, phy_index);
12370 		params->num_phys++;
12371 	}
12372 
12373 	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12374 	return 0;
12375 }
12376 
12377 static void bnx2x_init_bmac_loopback(struct link_params *params,
12378 				     struct link_vars *vars)
12379 {
12380 	struct bnx2x *bp = params->bp;
12381 		vars->link_up = 1;
12382 		vars->line_speed = SPEED_10000;
12383 		vars->duplex = DUPLEX_FULL;
12384 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12385 		vars->mac_type = MAC_TYPE_BMAC;
12386 
12387 		vars->phy_flags = PHY_XGXS_FLAG;
12388 
12389 		bnx2x_xgxs_deassert(params);
12390 
12391 		/* Set bmac loopback */
12392 		bnx2x_bmac_enable(params, vars, 1, 1);
12393 
12394 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12395 }
12396 
12397 static void bnx2x_init_emac_loopback(struct link_params *params,
12398 				     struct link_vars *vars)
12399 {
12400 	struct bnx2x *bp = params->bp;
12401 		vars->link_up = 1;
12402 		vars->line_speed = SPEED_1000;
12403 		vars->duplex = DUPLEX_FULL;
12404 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12405 		vars->mac_type = MAC_TYPE_EMAC;
12406 
12407 		vars->phy_flags = PHY_XGXS_FLAG;
12408 
12409 		bnx2x_xgxs_deassert(params);
12410 		/* Set bmac loopback */
12411 		bnx2x_emac_enable(params, vars, 1);
12412 		bnx2x_emac_program(params, vars);
12413 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12414 }
12415 
12416 static void bnx2x_init_xmac_loopback(struct link_params *params,
12417 				     struct link_vars *vars)
12418 {
12419 	struct bnx2x *bp = params->bp;
12420 	vars->link_up = 1;
12421 	if (!params->req_line_speed[0])
12422 		vars->line_speed = SPEED_10000;
12423 	else
12424 		vars->line_speed = params->req_line_speed[0];
12425 	vars->duplex = DUPLEX_FULL;
12426 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12427 	vars->mac_type = MAC_TYPE_XMAC;
12428 	vars->phy_flags = PHY_XGXS_FLAG;
12429 	/* Set WC to loopback mode since link is required to provide clock
12430 	 * to the XMAC in 20G mode
12431 	 */
12432 	bnx2x_set_aer_mmd(params, &params->phy[0]);
12433 	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12434 	params->phy[INT_PHY].config_loopback(
12435 			&params->phy[INT_PHY],
12436 			params);
12437 
12438 	bnx2x_xmac_enable(params, vars, 1);
12439 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12440 }
12441 
12442 static void bnx2x_init_umac_loopback(struct link_params *params,
12443 				     struct link_vars *vars)
12444 {
12445 	struct bnx2x *bp = params->bp;
12446 	vars->link_up = 1;
12447 	vars->line_speed = SPEED_1000;
12448 	vars->duplex = DUPLEX_FULL;
12449 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12450 	vars->mac_type = MAC_TYPE_UMAC;
12451 	vars->phy_flags = PHY_XGXS_FLAG;
12452 	bnx2x_umac_enable(params, vars, 1);
12453 
12454 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12455 }
12456 
12457 static void bnx2x_init_xgxs_loopback(struct link_params *params,
12458 				     struct link_vars *vars)
12459 {
12460 	struct bnx2x *bp = params->bp;
12461 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
12462 	vars->link_up = 1;
12463 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12464 	vars->duplex = DUPLEX_FULL;
12465 	if (params->req_line_speed[0] == SPEED_1000)
12466 		vars->line_speed = SPEED_1000;
12467 	else if ((params->req_line_speed[0] == SPEED_20000) ||
12468 		 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12469 		vars->line_speed = SPEED_20000;
12470 	else
12471 		vars->line_speed = SPEED_10000;
12472 
12473 	if (!USES_WARPCORE(bp))
12474 		bnx2x_xgxs_deassert(params);
12475 	bnx2x_link_initialize(params, vars);
12476 
12477 	if (params->req_line_speed[0] == SPEED_1000) {
12478 		if (USES_WARPCORE(bp))
12479 			bnx2x_umac_enable(params, vars, 0);
12480 		else {
12481 			bnx2x_emac_program(params, vars);
12482 			bnx2x_emac_enable(params, vars, 0);
12483 		}
12484 	} else {
12485 		if (USES_WARPCORE(bp))
12486 			bnx2x_xmac_enable(params, vars, 0);
12487 		else
12488 			bnx2x_bmac_enable(params, vars, 0, 1);
12489 	}
12490 
12491 	if (params->loopback_mode == LOOPBACK_XGXS) {
12492 		/* Set 10G XGXS loopback */
12493 		int_phy->config_loopback(int_phy, params);
12494 	} else {
12495 		/* Set external phy loopback */
12496 		u8 phy_index;
12497 		for (phy_index = EXT_PHY1;
12498 		      phy_index < params->num_phys; phy_index++)
12499 			if (params->phy[phy_index].config_loopback)
12500 				params->phy[phy_index].config_loopback(
12501 					&params->phy[phy_index],
12502 					params);
12503 	}
12504 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12505 
12506 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12507 }
12508 
12509 void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12510 {
12511 	struct bnx2x *bp = params->bp;
12512 	u8 val = en * 0x1F;
12513 
12514 	/* Open / close the gate between the NIG and the BRB */
12515 	if (!CHIP_IS_E1x(bp))
12516 		val |= en * 0x20;
12517 	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12518 
12519 	if (!CHIP_IS_E1(bp)) {
12520 		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12521 		       en*0x3);
12522 	}
12523 
12524 	REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12525 		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
12526 }
12527 static int bnx2x_avoid_link_flap(struct link_params *params,
12528 					    struct link_vars *vars)
12529 {
12530 	u32 phy_idx;
12531 	u32 dont_clear_stat, lfa_sts;
12532 	struct bnx2x *bp = params->bp;
12533 
12534 	bnx2x_set_mdio_emac_per_phy(bp, params);
12535 	/* Sync the link parameters */
12536 	bnx2x_link_status_update(params, vars);
12537 
12538 	/*
12539 	 * The module verification was already done by previous link owner,
12540 	 * so this call is meant only to get warning message
12541 	 */
12542 
12543 	for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12544 		struct bnx2x_phy *phy = &params->phy[phy_idx];
12545 		if (phy->phy_specific_func) {
12546 			DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12547 			phy->phy_specific_func(phy, params, PHY_INIT);
12548 		}
12549 		if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12550 		    (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12551 		    (phy->media_type == ETH_PHY_DA_TWINAX))
12552 			bnx2x_verify_sfp_module(phy, params);
12553 	}
12554 	lfa_sts = REG_RD(bp, params->lfa_base +
12555 			 offsetof(struct shmem_lfa,
12556 				  lfa_sts));
12557 
12558 	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12559 
12560 	/* Re-enable the NIG/MAC */
12561 	if (CHIP_IS_E3(bp)) {
12562 		if (!dont_clear_stat) {
12563 			REG_WR(bp, GRCBASE_MISC +
12564 			       MISC_REGISTERS_RESET_REG_2_CLEAR,
12565 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12566 				params->port));
12567 			REG_WR(bp, GRCBASE_MISC +
12568 			       MISC_REGISTERS_RESET_REG_2_SET,
12569 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12570 				params->port));
12571 		}
12572 		if (vars->line_speed < SPEED_10000)
12573 			bnx2x_umac_enable(params, vars, 0);
12574 		else
12575 			bnx2x_xmac_enable(params, vars, 0);
12576 	} else {
12577 		if (vars->line_speed < SPEED_10000)
12578 			bnx2x_emac_enable(params, vars, 0);
12579 		else
12580 			bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12581 	}
12582 
12583 	/* Increment LFA count */
12584 	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12585 		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12586 		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12587 		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12588 	/* Clear link flap reason */
12589 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12590 
12591 	REG_WR(bp, params->lfa_base +
12592 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12593 
12594 	/* Disable NIG DRAIN */
12595 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12596 
12597 	/* Enable interrupts */
12598 	bnx2x_link_int_enable(params);
12599 	return 0;
12600 }
12601 
12602 static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12603 					 struct link_vars *vars,
12604 					 int lfa_status)
12605 {
12606 	u32 lfa_sts, cfg_idx, tmp_val;
12607 	struct bnx2x *bp = params->bp;
12608 
12609 	bnx2x_link_reset(params, vars, 1);
12610 
12611 	if (!params->lfa_base)
12612 		return;
12613 	/* Store the new link parameters */
12614 	REG_WR(bp, params->lfa_base +
12615 	       offsetof(struct shmem_lfa, req_duplex),
12616 	       params->req_duplex[0] | (params->req_duplex[1] << 16));
12617 
12618 	REG_WR(bp, params->lfa_base +
12619 	       offsetof(struct shmem_lfa, req_flow_ctrl),
12620 	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12621 
12622 	REG_WR(bp, params->lfa_base +
12623 	       offsetof(struct shmem_lfa, req_line_speed),
12624 	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12625 
12626 	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12627 		REG_WR(bp, params->lfa_base +
12628 		       offsetof(struct shmem_lfa,
12629 				speed_cap_mask[cfg_idx]),
12630 		       params->speed_cap_mask[cfg_idx]);
12631 	}
12632 
12633 	tmp_val = REG_RD(bp, params->lfa_base +
12634 			 offsetof(struct shmem_lfa, additional_config));
12635 	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12636 	tmp_val |= params->req_fc_auto_adv;
12637 
12638 	REG_WR(bp, params->lfa_base +
12639 	       offsetof(struct shmem_lfa, additional_config), tmp_val);
12640 
12641 	lfa_sts = REG_RD(bp, params->lfa_base +
12642 			 offsetof(struct shmem_lfa, lfa_sts));
12643 
12644 	/* Clear the "Don't Clear Statistics" bit, and set reason */
12645 	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12646 
12647 	/* Set link flap reason */
12648 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12649 	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12650 		    LFA_LINK_FLAP_REASON_OFFSET);
12651 
12652 	/* Increment link flap counter */
12653 	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12654 		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12655 		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12656 		    << LINK_FLAP_COUNT_OFFSET));
12657 	REG_WR(bp, params->lfa_base +
12658 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12659 	/* Proceed with regular link initialization */
12660 }
12661 
12662 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12663 {
12664 	int lfa_status;
12665 	struct bnx2x *bp = params->bp;
12666 	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12667 	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12668 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
12669 	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12670 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
12671 	DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12672 	vars->link_status = 0;
12673 	vars->phy_link_up = 0;
12674 	vars->link_up = 0;
12675 	vars->line_speed = 0;
12676 	vars->duplex = DUPLEX_FULL;
12677 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12678 	vars->mac_type = MAC_TYPE_NONE;
12679 	vars->phy_flags = 0;
12680 	vars->check_kr2_recovery_cnt = 0;
12681 	params->link_flags = PHY_INITIALIZED;
12682 	/* Driver opens NIG-BRB filters */
12683 	bnx2x_set_rx_filter(params, 1);
12684 	bnx2x_chng_link_count(params, true);
12685 	/* Check if link flap can be avoided */
12686 	lfa_status = bnx2x_check_lfa(params);
12687 
12688 	if (lfa_status == 0) {
12689 		DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12690 		return bnx2x_avoid_link_flap(params, vars);
12691 	}
12692 
12693 	DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12694 		       lfa_status);
12695 	bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12696 
12697 	/* Disable attentions */
12698 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12699 		       (NIG_MASK_XGXS0_LINK_STATUS |
12700 			NIG_MASK_XGXS0_LINK10G |
12701 			NIG_MASK_SERDES0_LINK_STATUS |
12702 			NIG_MASK_MI_INT));
12703 
12704 	bnx2x_emac_init(params, vars);
12705 
12706 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12707 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
12708 
12709 	if (params->num_phys == 0) {
12710 		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12711 		return -EINVAL;
12712 	}
12713 	set_phy_vars(params, vars);
12714 
12715 	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12716 	switch (params->loopback_mode) {
12717 	case LOOPBACK_BMAC:
12718 		bnx2x_init_bmac_loopback(params, vars);
12719 		break;
12720 	case LOOPBACK_EMAC:
12721 		bnx2x_init_emac_loopback(params, vars);
12722 		break;
12723 	case LOOPBACK_XMAC:
12724 		bnx2x_init_xmac_loopback(params, vars);
12725 		break;
12726 	case LOOPBACK_UMAC:
12727 		bnx2x_init_umac_loopback(params, vars);
12728 		break;
12729 	case LOOPBACK_XGXS:
12730 	case LOOPBACK_EXT_PHY:
12731 		bnx2x_init_xgxs_loopback(params, vars);
12732 		break;
12733 	default:
12734 		if (!CHIP_IS_E3(bp)) {
12735 			if (params->switch_cfg == SWITCH_CFG_10G)
12736 				bnx2x_xgxs_deassert(params);
12737 			else
12738 				bnx2x_serdes_deassert(bp, params->port);
12739 		}
12740 		bnx2x_link_initialize(params, vars);
12741 		msleep(30);
12742 		bnx2x_link_int_enable(params);
12743 		break;
12744 	}
12745 	bnx2x_update_mng(params, vars->link_status);
12746 
12747 	bnx2x_update_mng_eee(params, vars->eee_status);
12748 	return 0;
12749 }
12750 
12751 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12752 		     u8 reset_ext_phy)
12753 {
12754 	struct bnx2x *bp = params->bp;
12755 	u8 phy_index, port = params->port, clear_latch_ind = 0;
12756 	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12757 	/* Disable attentions */
12758 	vars->link_status = 0;
12759 	bnx2x_chng_link_count(params, true);
12760 	bnx2x_update_mng(params, vars->link_status);
12761 	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12762 			      SHMEM_EEE_ACTIVE_BIT);
12763 	bnx2x_update_mng_eee(params, vars->eee_status);
12764 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12765 		       (NIG_MASK_XGXS0_LINK_STATUS |
12766 			NIG_MASK_XGXS0_LINK10G |
12767 			NIG_MASK_SERDES0_LINK_STATUS |
12768 			NIG_MASK_MI_INT));
12769 
12770 	/* Activate nig drain */
12771 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12772 
12773 	/* Disable nig egress interface */
12774 	if (!CHIP_IS_E3(bp)) {
12775 		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12776 		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12777 	}
12778 
12779 		if (!CHIP_IS_E3(bp)) {
12780 			bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12781 		} else {
12782 			bnx2x_set_xmac_rxtx(params, 0);
12783 			bnx2x_set_umac_rxtx(params, 0);
12784 		}
12785 	/* Disable emac */
12786 	if (!CHIP_IS_E3(bp))
12787 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12788 
12789 	usleep_range(10000, 20000);
12790 	/* The PHY reset is controlled by GPIO 1
12791 	 * Hold it as vars low
12792 	 */
12793 	 /* Clear link led */
12794 	bnx2x_set_mdio_emac_per_phy(bp, params);
12795 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12796 
12797 	if (reset_ext_phy) {
12798 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12799 		      phy_index++) {
12800 			if (params->phy[phy_index].link_reset) {
12801 				bnx2x_set_aer_mmd(params,
12802 						  &params->phy[phy_index]);
12803 				params->phy[phy_index].link_reset(
12804 					&params->phy[phy_index],
12805 					params);
12806 			}
12807 			if (params->phy[phy_index].flags &
12808 			    FLAGS_REARM_LATCH_SIGNAL)
12809 				clear_latch_ind = 1;
12810 		}
12811 	}
12812 
12813 	if (clear_latch_ind) {
12814 		/* Clear latching indication */
12815 		bnx2x_rearm_latch_signal(bp, port, 0);
12816 		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12817 			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
12818 	}
12819 	if (params->phy[INT_PHY].link_reset)
12820 		params->phy[INT_PHY].link_reset(
12821 			&params->phy[INT_PHY], params);
12822 
12823 	/* Disable nig ingress interface */
12824 	if (!CHIP_IS_E3(bp)) {
12825 		/* Reset BigMac */
12826 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12827 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12828 		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12829 		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12830 	} else {
12831 		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12832 		bnx2x_set_xumac_nig(params, 0, 0);
12833 		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12834 		    MISC_REGISTERS_RESET_REG_2_XMAC)
12835 			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12836 			       XMAC_CTRL_REG_SOFT_RESET);
12837 	}
12838 	vars->link_up = 0;
12839 	vars->phy_flags = 0;
12840 	return 0;
12841 }
12842 int bnx2x_lfa_reset(struct link_params *params,
12843 			       struct link_vars *vars)
12844 {
12845 	struct bnx2x *bp = params->bp;
12846 	vars->link_up = 0;
12847 	vars->phy_flags = 0;
12848 	params->link_flags &= ~PHY_INITIALIZED;
12849 	if (!params->lfa_base)
12850 		return bnx2x_link_reset(params, vars, 1);
12851 	/*
12852 	 * Activate NIG drain so that during this time the device won't send
12853 	 * anything while it is unable to response.
12854 	 */
12855 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12856 
12857 	/*
12858 	 * Close gracefully the gate from BMAC to NIG such that no half packets
12859 	 * are passed.
12860 	 */
12861 	if (!CHIP_IS_E3(bp))
12862 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12863 
12864 	if (CHIP_IS_E3(bp)) {
12865 		bnx2x_set_xmac_rxtx(params, 0);
12866 		bnx2x_set_umac_rxtx(params, 0);
12867 	}
12868 	/* Wait 10ms for the pipe to clean up*/
12869 	usleep_range(10000, 20000);
12870 
12871 	/* Clean the NIG-BRB using the network filters in a way that will
12872 	 * not cut a packet in the middle.
12873 	 */
12874 	bnx2x_set_rx_filter(params, 0);
12875 
12876 	/*
12877 	 * Re-open the gate between the BMAC and the NIG, after verifying the
12878 	 * gate to the BRB is closed, otherwise packets may arrive to the
12879 	 * firmware before driver had initialized it. The target is to achieve
12880 	 * minimum management protocol down time.
12881 	 */
12882 	if (!CHIP_IS_E3(bp))
12883 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12884 
12885 	if (CHIP_IS_E3(bp)) {
12886 		bnx2x_set_xmac_rxtx(params, 1);
12887 		bnx2x_set_umac_rxtx(params, 1);
12888 	}
12889 	/* Disable NIG drain */
12890 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12891 	return 0;
12892 }
12893 
12894 /****************************************************************************/
12895 /*				Common function				    */
12896 /****************************************************************************/
12897 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12898 				      u32 shmem_base_path[],
12899 				      u32 shmem2_base_path[], u8 phy_index,
12900 				      u32 chip_id)
12901 {
12902 	struct bnx2x_phy phy[PORT_MAX];
12903 	struct bnx2x_phy *phy_blk[PORT_MAX];
12904 	u16 val;
12905 	s8 port = 0;
12906 	s8 port_of_path = 0;
12907 	u32 swap_val, swap_override;
12908 	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
12909 	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
12910 	port ^= (swap_val && swap_override);
12911 	bnx2x_ext_phy_hw_reset(bp, port);
12912 	/* PART1 - Reset both phys */
12913 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12914 		u32 shmem_base, shmem2_base;
12915 		/* In E2, same phy is using for port0 of the two paths */
12916 		if (CHIP_IS_E1x(bp)) {
12917 			shmem_base = shmem_base_path[0];
12918 			shmem2_base = shmem2_base_path[0];
12919 			port_of_path = port;
12920 		} else {
12921 			shmem_base = shmem_base_path[port];
12922 			shmem2_base = shmem2_base_path[port];
12923 			port_of_path = 0;
12924 		}
12925 
12926 		/* Extract the ext phy address for the port */
12927 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12928 				       port_of_path, &phy[port]) !=
12929 		    0) {
12930 			DP(NETIF_MSG_LINK, "populate_phy failed\n");
12931 			return -EINVAL;
12932 		}
12933 		/* Disable attentions */
12934 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12935 			       port_of_path*4,
12936 			       (NIG_MASK_XGXS0_LINK_STATUS |
12937 				NIG_MASK_XGXS0_LINK10G |
12938 				NIG_MASK_SERDES0_LINK_STATUS |
12939 				NIG_MASK_MI_INT));
12940 
12941 		/* Need to take the phy out of low power mode in order
12942 		 * to write to access its registers
12943 		 */
12944 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12945 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12946 			       port);
12947 
12948 		/* Reset the phy */
12949 		bnx2x_cl45_write(bp, &phy[port],
12950 				 MDIO_PMA_DEVAD,
12951 				 MDIO_PMA_REG_CTRL,
12952 				 1<<15);
12953 	}
12954 
12955 	/* Add delay of 150ms after reset */
12956 	msleep(150);
12957 
12958 	if (phy[PORT_0].addr & 0x1) {
12959 		phy_blk[PORT_0] = &(phy[PORT_1]);
12960 		phy_blk[PORT_1] = &(phy[PORT_0]);
12961 	} else {
12962 		phy_blk[PORT_0] = &(phy[PORT_0]);
12963 		phy_blk[PORT_1] = &(phy[PORT_1]);
12964 	}
12965 
12966 	/* PART2 - Download firmware to both phys */
12967 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12968 		if (CHIP_IS_E1x(bp))
12969 			port_of_path = port;
12970 		else
12971 			port_of_path = 0;
12972 
12973 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12974 			   phy_blk[port]->addr);
12975 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12976 						      port_of_path))
12977 			return -EINVAL;
12978 
12979 		/* Only set bit 10 = 1 (Tx power down) */
12980 		bnx2x_cl45_read(bp, phy_blk[port],
12981 				MDIO_PMA_DEVAD,
12982 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12983 
12984 		/* Phase1 of TX_POWER_DOWN reset */
12985 		bnx2x_cl45_write(bp, phy_blk[port],
12986 				 MDIO_PMA_DEVAD,
12987 				 MDIO_PMA_REG_TX_POWER_DOWN,
12988 				 (val | 1<<10));
12989 	}
12990 
12991 	/* Toggle Transmitter: Power down and then up with 600ms delay
12992 	 * between
12993 	 */
12994 	msleep(600);
12995 
12996 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12997 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12998 		/* Phase2 of POWER_DOWN_RESET */
12999 		/* Release bit 10 (Release Tx power down) */
13000 		bnx2x_cl45_read(bp, phy_blk[port],
13001 				MDIO_PMA_DEVAD,
13002 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
13003 
13004 		bnx2x_cl45_write(bp, phy_blk[port],
13005 				MDIO_PMA_DEVAD,
13006 				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
13007 		usleep_range(15000, 30000);
13008 
13009 		/* Read modify write the SPI-ROM version select register */
13010 		bnx2x_cl45_read(bp, phy_blk[port],
13011 				MDIO_PMA_DEVAD,
13012 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
13013 		bnx2x_cl45_write(bp, phy_blk[port],
13014 				 MDIO_PMA_DEVAD,
13015 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
13016 
13017 		/* set GPIO2 back to LOW */
13018 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13019 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
13020 	}
13021 	return 0;
13022 }
13023 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
13024 				      u32 shmem_base_path[],
13025 				      u32 shmem2_base_path[], u8 phy_index,
13026 				      u32 chip_id)
13027 {
13028 	u32 val;
13029 	s8 port;
13030 	struct bnx2x_phy phy;
13031 	/* Use port1 because of the static port-swap */
13032 	/* Enable the module detection interrupt */
13033 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13034 	val |= ((1<<MISC_REGISTERS_GPIO_3)|
13035 		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
13036 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13037 
13038 	bnx2x_ext_phy_hw_reset(bp, 0);
13039 	usleep_range(5000, 10000);
13040 	for (port = 0; port < PORT_MAX; port++) {
13041 		u32 shmem_base, shmem2_base;
13042 
13043 		/* In E2, same phy is using for port0 of the two paths */
13044 		if (CHIP_IS_E1x(bp)) {
13045 			shmem_base = shmem_base_path[0];
13046 			shmem2_base = shmem2_base_path[0];
13047 		} else {
13048 			shmem_base = shmem_base_path[port];
13049 			shmem2_base = shmem2_base_path[port];
13050 		}
13051 		/* Extract the ext phy address for the port */
13052 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13053 				       port, &phy) !=
13054 		    0) {
13055 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13056 			return -EINVAL;
13057 		}
13058 
13059 		/* Reset phy*/
13060 		bnx2x_cl45_write(bp, &phy,
13061 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13062 
13063 
13064 		/* Set fault module detected LED on */
13065 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13066 			       MISC_REGISTERS_GPIO_HIGH,
13067 			       port);
13068 	}
13069 
13070 	return 0;
13071 }
13072 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13073 					 u8 *io_gpio, u8 *io_port)
13074 {
13075 
13076 	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13077 					  offsetof(struct shmem_region,
13078 				dev_info.port_hw_config[PORT_0].default_cfg));
13079 	switch (phy_gpio_reset) {
13080 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13081 		*io_gpio = 0;
13082 		*io_port = 0;
13083 		break;
13084 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13085 		*io_gpio = 1;
13086 		*io_port = 0;
13087 		break;
13088 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13089 		*io_gpio = 2;
13090 		*io_port = 0;
13091 		break;
13092 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13093 		*io_gpio = 3;
13094 		*io_port = 0;
13095 		break;
13096 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13097 		*io_gpio = 0;
13098 		*io_port = 1;
13099 		break;
13100 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13101 		*io_gpio = 1;
13102 		*io_port = 1;
13103 		break;
13104 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13105 		*io_gpio = 2;
13106 		*io_port = 1;
13107 		break;
13108 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13109 		*io_gpio = 3;
13110 		*io_port = 1;
13111 		break;
13112 	default:
13113 		/* Don't override the io_gpio and io_port */
13114 		break;
13115 	}
13116 }
13117 
13118 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13119 				      u32 shmem_base_path[],
13120 				      u32 shmem2_base_path[], u8 phy_index,
13121 				      u32 chip_id)
13122 {
13123 	s8 port, reset_gpio;
13124 	u32 swap_val, swap_override;
13125 	struct bnx2x_phy phy[PORT_MAX];
13126 	struct bnx2x_phy *phy_blk[PORT_MAX];
13127 	s8 port_of_path;
13128 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13129 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13130 
13131 	reset_gpio = MISC_REGISTERS_GPIO_1;
13132 	port = 1;
13133 
13134 	/* Retrieve the reset gpio/port which control the reset.
13135 	 * Default is GPIO1, PORT1
13136 	 */
13137 	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13138 				     (u8 *)&reset_gpio, (u8 *)&port);
13139 
13140 	/* Calculate the port based on port swap */
13141 	port ^= (swap_val && swap_override);
13142 
13143 	/* Initiate PHY reset*/
13144 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13145 		       port);
13146 	usleep_range(1000, 2000);
13147 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13148 		       port);
13149 
13150 	usleep_range(5000, 10000);
13151 
13152 	/* PART1 - Reset both phys */
13153 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13154 		u32 shmem_base, shmem2_base;
13155 
13156 		/* In E2, same phy is using for port0 of the two paths */
13157 		if (CHIP_IS_E1x(bp)) {
13158 			shmem_base = shmem_base_path[0];
13159 			shmem2_base = shmem2_base_path[0];
13160 			port_of_path = port;
13161 		} else {
13162 			shmem_base = shmem_base_path[port];
13163 			shmem2_base = shmem2_base_path[port];
13164 			port_of_path = 0;
13165 		}
13166 
13167 		/* Extract the ext phy address for the port */
13168 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13169 				       port_of_path, &phy[port]) !=
13170 				       0) {
13171 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13172 			return -EINVAL;
13173 		}
13174 		/* disable attentions */
13175 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13176 			       port_of_path*4,
13177 			       (NIG_MASK_XGXS0_LINK_STATUS |
13178 				NIG_MASK_XGXS0_LINK10G |
13179 				NIG_MASK_SERDES0_LINK_STATUS |
13180 				NIG_MASK_MI_INT));
13181 
13182 
13183 		/* Reset the phy */
13184 		bnx2x_cl45_write(bp, &phy[port],
13185 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13186 	}
13187 
13188 	/* Add delay of 150ms after reset */
13189 	msleep(150);
13190 	if (phy[PORT_0].addr & 0x1) {
13191 		phy_blk[PORT_0] = &(phy[PORT_1]);
13192 		phy_blk[PORT_1] = &(phy[PORT_0]);
13193 	} else {
13194 		phy_blk[PORT_0] = &(phy[PORT_0]);
13195 		phy_blk[PORT_1] = &(phy[PORT_1]);
13196 	}
13197 	/* PART2 - Download firmware to both phys */
13198 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13199 		if (CHIP_IS_E1x(bp))
13200 			port_of_path = port;
13201 		else
13202 			port_of_path = 0;
13203 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13204 			   phy_blk[port]->addr);
13205 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13206 						      port_of_path))
13207 			return -EINVAL;
13208 		/* Disable PHY transmitter output */
13209 		bnx2x_cl45_write(bp, phy_blk[port],
13210 				 MDIO_PMA_DEVAD,
13211 				 MDIO_PMA_REG_TX_DISABLE, 1);
13212 
13213 	}
13214 	return 0;
13215 }
13216 
13217 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13218 						u32 shmem_base_path[],
13219 						u32 shmem2_base_path[],
13220 						u8 phy_index,
13221 						u32 chip_id)
13222 {
13223 	u8 reset_gpios;
13224 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13225 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13226 	udelay(10);
13227 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13228 	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13229 		reset_gpios);
13230 	return 0;
13231 }
13232 
13233 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13234 				     u32 shmem2_base_path[], u8 phy_index,
13235 				     u32 ext_phy_type, u32 chip_id)
13236 {
13237 	int rc = 0;
13238 
13239 	switch (ext_phy_type) {
13240 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13241 		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13242 						shmem2_base_path,
13243 						phy_index, chip_id);
13244 		break;
13245 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13246 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13247 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13248 		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13249 						shmem2_base_path,
13250 						phy_index, chip_id);
13251 		break;
13252 
13253 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13254 		/* GPIO1 affects both ports, so there's need to pull
13255 		 * it for single port alone
13256 		 */
13257 		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13258 						shmem2_base_path,
13259 						phy_index, chip_id);
13260 		break;
13261 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13262 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13263 		/* GPIO3's are linked, and so both need to be toggled
13264 		 * to obtain required 2us pulse.
13265 		 */
13266 		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13267 						shmem2_base_path,
13268 						phy_index, chip_id);
13269 		break;
13270 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13271 		rc = -EINVAL;
13272 		break;
13273 	default:
13274 		DP(NETIF_MSG_LINK,
13275 			   "ext_phy 0x%x common init not required\n",
13276 			   ext_phy_type);
13277 		break;
13278 	}
13279 
13280 	if (rc)
13281 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
13282 				      " Port %d\n",
13283 			 0);
13284 	return rc;
13285 }
13286 
13287 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13288 			  u32 shmem2_base_path[], u32 chip_id)
13289 {
13290 	int rc = 0;
13291 	u32 phy_ver, val;
13292 	u8 phy_index = 0;
13293 	u32 ext_phy_type, ext_phy_config;
13294 
13295 	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13296 	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13297 	DP(NETIF_MSG_LINK, "Begin common phy init\n");
13298 	if (CHIP_IS_E3(bp)) {
13299 		/* Enable EPIO */
13300 		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13301 		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13302 	}
13303 	/* Check if common init was already done */
13304 	phy_ver = REG_RD(bp, shmem_base_path[0] +
13305 			 offsetof(struct shmem_region,
13306 				  port_mb[PORT_0].ext_phy_fw_version));
13307 	if (phy_ver) {
13308 		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13309 			       phy_ver);
13310 		return 0;
13311 	}
13312 
13313 	/* Read the ext_phy_type for arbitrary port(0) */
13314 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13315 	      phy_index++) {
13316 		ext_phy_config = bnx2x_get_ext_phy_config(bp,
13317 							  shmem_base_path[0],
13318 							  phy_index, 0);
13319 		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13320 		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13321 						shmem2_base_path,
13322 						phy_index, ext_phy_type,
13323 						chip_id);
13324 	}
13325 	return rc;
13326 }
13327 
13328 static void bnx2x_check_over_curr(struct link_params *params,
13329 				  struct link_vars *vars)
13330 {
13331 	struct bnx2x *bp = params->bp;
13332 	u32 cfg_pin;
13333 	u8 port = params->port;
13334 	u32 pin_val;
13335 
13336 	cfg_pin = (REG_RD(bp, params->shmem_base +
13337 			  offsetof(struct shmem_region,
13338 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13339 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13340 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13341 
13342 	/* Ignore check if no external input PIN available */
13343 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13344 		return;
13345 
13346 	if (!pin_val) {
13347 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13348 			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
13349 					    " been detected and the power to "
13350 					    "that SFP+ module has been removed"
13351 					    " to prevent failure of the card."
13352 					    " Please remove the SFP+ module and"
13353 					    " restart the system to clear this"
13354 					    " error.\n",
13355 			 params->port);
13356 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13357 			bnx2x_warpcore_power_module(params, 0);
13358 		}
13359 	} else
13360 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13361 }
13362 
13363 /* Returns 0 if no change occurred since last check; 1 otherwise. */
13364 static u8 bnx2x_analyze_link_error(struct link_params *params,
13365 				    struct link_vars *vars, u32 status,
13366 				    u32 phy_flag, u32 link_flag, u8 notify)
13367 {
13368 	struct bnx2x *bp = params->bp;
13369 	/* Compare new value with previous value */
13370 	u8 led_mode;
13371 	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13372 
13373 	if ((status ^ old_status) == 0)
13374 		return 0;
13375 
13376 	/* If values differ */
13377 	switch (phy_flag) {
13378 	case PHY_HALF_OPEN_CONN_FLAG:
13379 		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13380 		break;
13381 	case PHY_SFP_TX_FAULT_FLAG:
13382 		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13383 		break;
13384 	default:
13385 		DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13386 	}
13387 	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13388 	   old_status, status);
13389 
13390 	/* Do not touch the link in case physical link down */
13391 	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13392 		return 1;
13393 
13394 	/* a. Update shmem->link_status accordingly
13395 	 * b. Update link_vars->link_up
13396 	 */
13397 	if (status) {
13398 		vars->link_status &= ~LINK_STATUS_LINK_UP;
13399 		vars->link_status |= link_flag;
13400 		vars->link_up = 0;
13401 		vars->phy_flags |= phy_flag;
13402 
13403 		/* activate nig drain */
13404 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13405 		/* Set LED mode to off since the PHY doesn't know about these
13406 		 * errors
13407 		 */
13408 		led_mode = LED_MODE_OFF;
13409 	} else {
13410 		vars->link_status |= LINK_STATUS_LINK_UP;
13411 		vars->link_status &= ~link_flag;
13412 		vars->link_up = 1;
13413 		vars->phy_flags &= ~phy_flag;
13414 		led_mode = LED_MODE_OPER;
13415 
13416 		/* Clear nig drain */
13417 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13418 	}
13419 	bnx2x_sync_link(params, vars);
13420 	/* Update the LED according to the link state */
13421 	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13422 
13423 	/* Update link status in the shared memory */
13424 	bnx2x_update_mng(params, vars->link_status);
13425 
13426 	/* C. Trigger General Attention */
13427 	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13428 	if (notify)
13429 		bnx2x_notify_link_changed(bp);
13430 
13431 	return 1;
13432 }
13433 
13434 /******************************************************************************
13435 * Description:
13436 *	This function checks for half opened connection change indication.
13437 *	When such change occurs, it calls the bnx2x_analyze_link_error
13438 *	to check if Remote Fault is set or cleared. Reception of remote fault
13439 *	status message in the MAC indicates that the peer's MAC has detected
13440 *	a fault, for example, due to break in the TX side of fiber.
13441 *
13442 ******************************************************************************/
13443 static int bnx2x_check_half_open_conn(struct link_params *params,
13444 				      struct link_vars *vars,
13445 				      u8 notify)
13446 {
13447 	struct bnx2x *bp = params->bp;
13448 	u32 lss_status = 0;
13449 	u32 mac_base;
13450 	/* In case link status is physically up @ 10G do */
13451 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13452 	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13453 		return 0;
13454 
13455 	if (CHIP_IS_E3(bp) &&
13456 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
13457 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13458 		/* Check E3 XMAC */
13459 		/* Note that link speed cannot be queried here, since it may be
13460 		 * zero while link is down. In case UMAC is active, LSS will
13461 		 * simply not be set
13462 		 */
13463 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13464 
13465 		/* Clear stick bits (Requires rising edge) */
13466 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13467 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13468 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13469 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13470 		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13471 			lss_status = 1;
13472 
13473 		bnx2x_analyze_link_error(params, vars, lss_status,
13474 					 PHY_HALF_OPEN_CONN_FLAG,
13475 					 LINK_STATUS_NONE, notify);
13476 	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13477 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13478 		/* Check E1X / E2 BMAC */
13479 		u32 lss_status_reg;
13480 		u32 wb_data[2];
13481 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13482 			NIG_REG_INGRESS_BMAC0_MEM;
13483 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13484 		if (CHIP_IS_E2(bp))
13485 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13486 		else
13487 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13488 
13489 		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13490 		lss_status = (wb_data[0] > 0);
13491 
13492 		bnx2x_analyze_link_error(params, vars, lss_status,
13493 					 PHY_HALF_OPEN_CONN_FLAG,
13494 					 LINK_STATUS_NONE, notify);
13495 	}
13496 	return 0;
13497 }
13498 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13499 					 struct link_params *params,
13500 					 struct link_vars *vars)
13501 {
13502 	struct bnx2x *bp = params->bp;
13503 	u32 cfg_pin, value = 0;
13504 	u8 led_change, port = params->port;
13505 
13506 	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13507 	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13508 			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13509 		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13510 		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13511 
13512 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13513 		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13514 		return;
13515 	}
13516 
13517 	led_change = bnx2x_analyze_link_error(params, vars, value,
13518 					      PHY_SFP_TX_FAULT_FLAG,
13519 					      LINK_STATUS_SFP_TX_FAULT, 1);
13520 
13521 	if (led_change) {
13522 		/* Change TX_Fault led, set link status for further syncs */
13523 		u8 led_mode;
13524 
13525 		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13526 			led_mode = MISC_REGISTERS_GPIO_HIGH;
13527 			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13528 		} else {
13529 			led_mode = MISC_REGISTERS_GPIO_LOW;
13530 			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13531 		}
13532 
13533 		/* If module is unapproved, led should be on regardless */
13534 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13535 			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13536 			   led_mode);
13537 			bnx2x_set_e3_module_fault_led(params, led_mode);
13538 		}
13539 	}
13540 }
13541 static void bnx2x_kr2_recovery(struct link_params *params,
13542 			       struct link_vars *vars,
13543 			       struct bnx2x_phy *phy)
13544 {
13545 	struct bnx2x *bp = params->bp;
13546 	DP(NETIF_MSG_LINK, "KR2 recovery\n");
13547 	bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13548 	bnx2x_warpcore_restart_AN_KR(phy, params);
13549 }
13550 
13551 static void bnx2x_check_kr2_wa(struct link_params *params,
13552 			       struct link_vars *vars,
13553 			       struct bnx2x_phy *phy)
13554 {
13555 	struct bnx2x *bp = params->bp;
13556 	u16 base_page, next_page, not_kr2_device, lane;
13557 	int sigdet;
13558 
13559 	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13560 	 * Since some switches tend to reinit the AN process and clear the
13561 	 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13562 	 * and recovered many times
13563 	 */
13564 	if (vars->check_kr2_recovery_cnt > 0) {
13565 		vars->check_kr2_recovery_cnt--;
13566 		return;
13567 	}
13568 
13569 	sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13570 	if (!sigdet) {
13571 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13572 			bnx2x_kr2_recovery(params, vars, phy);
13573 			DP(NETIF_MSG_LINK, "No sigdet\n");
13574 		}
13575 		return;
13576 	}
13577 
13578 	lane = bnx2x_get_warpcore_lane(phy, params);
13579 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13580 			  MDIO_AER_BLOCK_AER_REG, lane);
13581 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13582 			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13583 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13584 			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13585 	bnx2x_set_aer_mmd(params, phy);
13586 
13587 	/* CL73 has not begun yet */
13588 	if (base_page == 0) {
13589 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13590 			bnx2x_kr2_recovery(params, vars, phy);
13591 			DP(NETIF_MSG_LINK, "No BP\n");
13592 		}
13593 		return;
13594 	}
13595 
13596 	/* In case NP bit is not set in the BasePage, or it is set,
13597 	 * but only KX is advertised, declare this link partner as non-KR2
13598 	 * device.
13599 	 */
13600 	not_kr2_device = (((base_page & 0x8000) == 0) ||
13601 			  (((base_page & 0x8000) &&
13602 			    ((next_page & 0xe0) == 0x20))));
13603 
13604 	/* In case KR2 is already disabled, check if we need to re-enable it */
13605 	if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13606 		if (!not_kr2_device) {
13607 			DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13608 			   next_page);
13609 			bnx2x_kr2_recovery(params, vars, phy);
13610 		}
13611 		return;
13612 	}
13613 	/* KR2 is enabled, but not KR2 device */
13614 	if (not_kr2_device) {
13615 		/* Disable KR2 on both lanes */
13616 		DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13617 		bnx2x_disable_kr2(params, vars, phy);
13618 		/* Restart AN on leading lane */
13619 		bnx2x_warpcore_restart_AN_KR(phy, params);
13620 		return;
13621 	}
13622 }
13623 
13624 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13625 {
13626 	u16 phy_idx;
13627 	struct bnx2x *bp = params->bp;
13628 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13629 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13630 			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13631 			if (bnx2x_check_half_open_conn(params, vars, 1) !=
13632 			    0)
13633 				DP(NETIF_MSG_LINK, "Fault detection failed\n");
13634 			break;
13635 		}
13636 	}
13637 
13638 	if (CHIP_IS_E3(bp)) {
13639 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
13640 		bnx2x_set_aer_mmd(params, phy);
13641 		if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13642 		    (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
13643 			bnx2x_check_kr2_wa(params, vars, phy);
13644 		bnx2x_check_over_curr(params, vars);
13645 		if (vars->rx_tx_asic_rst)
13646 			bnx2x_warpcore_config_runtime(phy, params, vars);
13647 
13648 		if ((REG_RD(bp, params->shmem_base +
13649 			    offsetof(struct shmem_region, dev_info.
13650 				port_hw_config[params->port].default_cfg))
13651 		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13652 		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
13653 			if (bnx2x_is_sfp_module_plugged(phy, params)) {
13654 				bnx2x_sfp_tx_fault_detection(phy, params, vars);
13655 			} else if (vars->link_status &
13656 				LINK_STATUS_SFP_TX_FAULT) {
13657 				/* Clean trail, interrupt corrects the leds */
13658 				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13659 				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13660 				/* Update link status in the shared memory */
13661 				bnx2x_update_mng(params, vars->link_status);
13662 			}
13663 		}
13664 	}
13665 }
13666 
13667 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13668 			     u32 shmem_base,
13669 			     u32 shmem2_base,
13670 			     u8 port)
13671 {
13672 	u8 phy_index, fan_failure_det_req = 0;
13673 	struct bnx2x_phy phy;
13674 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13675 	      phy_index++) {
13676 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13677 				       port, &phy)
13678 		    != 0) {
13679 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13680 			return 0;
13681 		}
13682 		fan_failure_det_req |= (phy.flags &
13683 					FLAGS_FAN_FAILURE_DET_REQ);
13684 	}
13685 	return fan_failure_det_req;
13686 }
13687 
13688 void bnx2x_hw_reset_phy(struct link_params *params)
13689 {
13690 	u8 phy_index;
13691 	struct bnx2x *bp = params->bp;
13692 	bnx2x_update_mng(params, 0);
13693 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13694 		       (NIG_MASK_XGXS0_LINK_STATUS |
13695 			NIG_MASK_XGXS0_LINK10G |
13696 			NIG_MASK_SERDES0_LINK_STATUS |
13697 			NIG_MASK_MI_INT));
13698 
13699 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13700 	      phy_index++) {
13701 		if (params->phy[phy_index].hw_reset) {
13702 			params->phy[phy_index].hw_reset(
13703 				&params->phy[phy_index],
13704 				params);
13705 			params->phy[phy_index] = phy_null;
13706 		}
13707 	}
13708 }
13709 
13710 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13711 			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
13712 			    u8 port)
13713 {
13714 	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13715 	u32 val;
13716 	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13717 	if (CHIP_IS_E3(bp)) {
13718 		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13719 					      shmem_base,
13720 					      port,
13721 					      &gpio_num,
13722 					      &gpio_port) != 0)
13723 			return;
13724 	} else {
13725 		struct bnx2x_phy phy;
13726 		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13727 		      phy_index++) {
13728 			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13729 					       shmem2_base, port, &phy)
13730 			    != 0) {
13731 				DP(NETIF_MSG_LINK, "populate phy failed\n");
13732 				return;
13733 			}
13734 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13735 				gpio_num = MISC_REGISTERS_GPIO_3;
13736 				gpio_port = port;
13737 				break;
13738 			}
13739 		}
13740 	}
13741 
13742 	if (gpio_num == 0xff)
13743 		return;
13744 
13745 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
13746 	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13747 
13748 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13749 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13750 	gpio_port ^= (swap_val && swap_override);
13751 
13752 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13753 		(gpio_num + (gpio_port << 2));
13754 
13755 	sync_offset = shmem_base +
13756 		offsetof(struct shmem_region,
13757 			 dev_info.port_hw_config[port].aeu_int_mask);
13758 	REG_WR(bp, sync_offset, vars->aeu_int_mask);
13759 
13760 	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13761 		       gpio_num, gpio_port, vars->aeu_int_mask);
13762 
13763 	if (port == 0)
13764 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13765 	else
13766 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13767 
13768 	/* Open appropriate AEU for interrupts */
13769 	aeu_mask = REG_RD(bp, offset);
13770 	aeu_mask |= vars->aeu_int_mask;
13771 	REG_WR(bp, offset, aeu_mask);
13772 
13773 	/* Enable the GPIO to trigger interrupt */
13774 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13775 	val |= 1 << (gpio_num + (gpio_port << 2));
13776 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13777 }
13778