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_LC	0x7
158 	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
159 	#define SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22
160 
161 
162 #define SFP_EEPROM_COMP_CODE_ADDR		0x3
163 	#define SFP_EEPROM_COMP_CODE_SR_MASK	(1<<4)
164 	#define SFP_EEPROM_COMP_CODE_LR_MASK	(1<<5)
165 	#define SFP_EEPROM_COMP_CODE_LRM_MASK	(1<<6)
166 
167 #define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
168 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
169 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
170 
171 #define SFP_EEPROM_OPTIONS_ADDR			0x40
172 	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
173 #define SFP_EEPROM_OPTIONS_SIZE			2
174 
175 #define EDC_MODE_LINEAR				0x0022
176 #define EDC_MODE_LIMITING				0x0044
177 #define EDC_MODE_PASSIVE_DAC			0x0055
178 #define EDC_MODE_ACTIVE_DAC			0x0066
179 
180 /* ETS defines*/
181 #define DCBX_INVALID_COS					(0xFF)
182 
183 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
184 #define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
185 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
186 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
187 #define ETS_E3B0_PBF_MIN_W_VAL				(10000)
188 
189 #define MAX_PACKET_SIZE					(9700)
190 #define MAX_KR_LINK_RETRY				4
191 
192 /**********************************************************/
193 /*                     INTERFACE                          */
194 /**********************************************************/
195 
196 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
197 	bnx2x_cl45_write(_bp, _phy, \
198 		(_phy)->def_md_devad, \
199 		(_bank + (_addr & 0xf)), \
200 		_val)
201 
202 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
203 	bnx2x_cl45_read(_bp, _phy, \
204 		(_phy)->def_md_devad, \
205 		(_bank + (_addr & 0xf)), \
206 		_val)
207 
208 static int bnx2x_check_half_open_conn(struct link_params *params,
209 				      struct link_vars *vars, u8 notify);
210 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
211 				      struct link_params *params);
212 
213 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
214 {
215 	u32 val = REG_RD(bp, reg);
216 
217 	val |= bits;
218 	REG_WR(bp, reg, val);
219 	return val;
220 }
221 
222 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
223 {
224 	u32 val = REG_RD(bp, reg);
225 
226 	val &= ~bits;
227 	REG_WR(bp, reg, val);
228 	return val;
229 }
230 
231 /*
232  * bnx2x_check_lfa - This function checks if link reinitialization is required,
233  *                   or link flap can be avoided.
234  *
235  * @params:	link parameters
236  * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
237  *         condition code.
238  */
239 static int bnx2x_check_lfa(struct link_params *params)
240 {
241 	u32 link_status, cfg_idx, lfa_mask, cfg_size;
242 	u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
243 	u32 saved_val, req_val, eee_status;
244 	struct bnx2x *bp = params->bp;
245 
246 	additional_config =
247 		REG_RD(bp, params->lfa_base +
248 			   offsetof(struct shmem_lfa, additional_config));
249 
250 	/* NOTE: must be first condition checked -
251 	* to verify DCC bit is cleared in any case!
252 	*/
253 	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
254 		DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
255 		REG_WR(bp, params->lfa_base +
256 			   offsetof(struct shmem_lfa, additional_config),
257 		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
258 		return LFA_DCC_LFA_DISABLED;
259 	}
260 
261 	/* Verify that link is up */
262 	link_status = REG_RD(bp, params->shmem_base +
263 			     offsetof(struct shmem_region,
264 				      port_mb[params->port].link_status));
265 	if (!(link_status & LINK_STATUS_LINK_UP))
266 		return LFA_LINK_DOWN;
267 
268 	/* if loaded after BOOT from SAN, don't flap the link in any case and
269 	 * rely on link set by preboot driver
270 	 */
271 	if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
272 		return 0;
273 
274 	/* Verify that loopback mode is not set */
275 	if (params->loopback_mode)
276 		return LFA_LOOPBACK_ENABLED;
277 
278 	/* Verify that MFW supports LFA */
279 	if (!params->lfa_base)
280 		return LFA_MFW_IS_TOO_OLD;
281 
282 	if (params->num_phys == 3) {
283 		cfg_size = 2;
284 		lfa_mask = 0xffffffff;
285 	} else {
286 		cfg_size = 1;
287 		lfa_mask = 0xffff;
288 	}
289 
290 	/* Compare Duplex */
291 	saved_val = REG_RD(bp, params->lfa_base +
292 			   offsetof(struct shmem_lfa, req_duplex));
293 	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
294 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
295 		DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
296 			       (saved_val & lfa_mask), (req_val & lfa_mask));
297 		return LFA_DUPLEX_MISMATCH;
298 	}
299 	/* Compare Flow Control */
300 	saved_val = REG_RD(bp, params->lfa_base +
301 			   offsetof(struct shmem_lfa, req_flow_ctrl));
302 	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
303 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
304 		DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
305 			       (saved_val & lfa_mask), (req_val & lfa_mask));
306 		return LFA_FLOW_CTRL_MISMATCH;
307 	}
308 	/* Compare Link Speed */
309 	saved_val = REG_RD(bp, params->lfa_base +
310 			   offsetof(struct shmem_lfa, req_line_speed));
311 	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
312 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
313 		DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
314 			       (saved_val & lfa_mask), (req_val & lfa_mask));
315 		return LFA_LINK_SPEED_MISMATCH;
316 	}
317 
318 	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
319 		cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
320 					    offsetof(struct shmem_lfa,
321 						     speed_cap_mask[cfg_idx]));
322 
323 		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
324 			DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
325 				       cur_speed_cap_mask,
326 				       params->speed_cap_mask[cfg_idx]);
327 			return LFA_SPEED_CAP_MISMATCH;
328 		}
329 	}
330 
331 	cur_req_fc_auto_adv =
332 		REG_RD(bp, params->lfa_base +
333 		       offsetof(struct shmem_lfa, additional_config)) &
334 		REQ_FC_AUTO_ADV_MASK;
335 
336 	if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
337 		DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
338 			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
339 		return LFA_FLOW_CTRL_MISMATCH;
340 	}
341 
342 	eee_status = REG_RD(bp, params->shmem2_base +
343 			    offsetof(struct shmem2_region,
344 				     eee_status[params->port]));
345 
346 	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
347 	     (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
348 	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
349 	     (params->eee_mode & EEE_MODE_ADV_LPI))) {
350 		DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
351 			       eee_status);
352 		return LFA_EEE_MISMATCH;
353 	}
354 
355 	/* LFA conditions are met */
356 	return 0;
357 }
358 /******************************************************************/
359 /*			EPIO/GPIO section			  */
360 /******************************************************************/
361 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
362 {
363 	u32 epio_mask, gp_oenable;
364 	*en = 0;
365 	/* Sanity check */
366 	if (epio_pin > 31) {
367 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
368 		return;
369 	}
370 
371 	epio_mask = 1 << epio_pin;
372 	/* Set this EPIO to output */
373 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
374 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
375 
376 	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
377 }
378 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
379 {
380 	u32 epio_mask, gp_output, gp_oenable;
381 
382 	/* Sanity check */
383 	if (epio_pin > 31) {
384 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
385 		return;
386 	}
387 	DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
388 	epio_mask = 1 << epio_pin;
389 	/* Set this EPIO to output */
390 	gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
391 	if (en)
392 		gp_output |= epio_mask;
393 	else
394 		gp_output &= ~epio_mask;
395 
396 	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
397 
398 	/* Set the value for this EPIO */
399 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
400 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
401 }
402 
403 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
404 {
405 	if (pin_cfg == PIN_CFG_NA)
406 		return;
407 	if (pin_cfg >= PIN_CFG_EPIO0) {
408 		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
409 	} else {
410 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
411 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
412 		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
413 	}
414 }
415 
416 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
417 {
418 	if (pin_cfg == PIN_CFG_NA)
419 		return -EINVAL;
420 	if (pin_cfg >= PIN_CFG_EPIO0) {
421 		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
422 	} else {
423 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
424 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
425 		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
426 	}
427 	return 0;
428 
429 }
430 /******************************************************************/
431 /*				ETS section			  */
432 /******************************************************************/
433 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
434 {
435 	/* ETS disabled configuration*/
436 	struct bnx2x *bp = params->bp;
437 
438 	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
439 
440 	/* mapping between entry  priority to client number (0,1,2 -debug and
441 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
442 	 * 3bits client num.
443 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
444 	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
445 	 */
446 
447 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
448 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
449 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
450 	 * COS0 entry, 4 - COS1 entry.
451 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
452 	 * bit4   bit3	  bit2   bit1	  bit0
453 	 * MCP and debug are strict
454 	 */
455 
456 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
457 	/* defines which entries (clients) are subjected to WFQ arbitration */
458 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
459 	/* For strict priority entries defines the number of consecutive
460 	 * slots for the highest priority.
461 	 */
462 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
463 	/* mapping between the CREDIT_WEIGHT registers and actual client
464 	 * numbers
465 	 */
466 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
467 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
468 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
469 
470 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
471 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
472 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
473 	/* ETS mode disable */
474 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
475 	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
476 	 * weight for COS0/COS1.
477 	 */
478 	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
479 	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
480 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
481 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
482 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
483 	/* Defines the number of consecutive slots for the strict priority */
484 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
485 }
486 /******************************************************************************
487 * Description:
488 *	Getting min_w_val will be set according to line speed .
489 *.
490 ******************************************************************************/
491 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
492 {
493 	u32 min_w_val = 0;
494 	/* Calculate min_w_val.*/
495 	if (vars->link_up) {
496 		if (vars->line_speed == SPEED_20000)
497 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
498 		else
499 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
500 	} else
501 		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
502 	/* If the link isn't up (static configuration for example ) The
503 	 * link will be according to 20GBPS.
504 	 */
505 	return min_w_val;
506 }
507 /******************************************************************************
508 * Description:
509 *	Getting credit upper bound form min_w_val.
510 *.
511 ******************************************************************************/
512 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
513 {
514 	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
515 						MAX_PACKET_SIZE);
516 	return credit_upper_bound;
517 }
518 /******************************************************************************
519 * Description:
520 *	Set credit upper bound for NIG.
521 *.
522 ******************************************************************************/
523 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
524 	const struct link_params *params,
525 	const u32 min_w_val)
526 {
527 	struct bnx2x *bp = params->bp;
528 	const u8 port = params->port;
529 	const u32 credit_upper_bound =
530 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
531 
532 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
533 		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
534 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
535 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
536 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
537 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
538 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
539 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
540 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
541 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
542 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
543 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
544 
545 	if (!port) {
546 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
547 			credit_upper_bound);
548 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
549 			credit_upper_bound);
550 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
551 			credit_upper_bound);
552 	}
553 }
554 /******************************************************************************
555 * Description:
556 *	Will return the NIG ETS registers to init values.Except
557 *	credit_upper_bound.
558 *	That isn't used in this configuration (No WFQ is enabled) and will be
559 *	configured acording to spec
560 *.
561 ******************************************************************************/
562 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
563 					const struct link_vars *vars)
564 {
565 	struct bnx2x *bp = params->bp;
566 	const u8 port = params->port;
567 	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
568 	/* Mapping between entry  priority to client number (0,1,2 -debug and
569 	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
570 	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
571 	 * reset value or init tool
572 	 */
573 	if (port) {
574 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
575 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
576 	} else {
577 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
578 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
579 	}
580 	/* For strict priority entries defines the number of consecutive
581 	 * slots for the highest priority.
582 	 */
583 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
584 		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
585 	/* Mapping between the CREDIT_WEIGHT registers and actual client
586 	 * numbers
587 	 */
588 	if (port) {
589 		/*Port 1 has 6 COS*/
590 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
591 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
592 	} else {
593 		/*Port 0 has 9 COS*/
594 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
595 		       0x43210876);
596 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
597 	}
598 
599 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
600 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
601 	 * COS0 entry, 4 - COS1 entry.
602 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
603 	 * bit4   bit3	  bit2   bit1	  bit0
604 	 * MCP and debug are strict
605 	 */
606 	if (port)
607 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
608 	else
609 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
610 	/* defines which entries (clients) are subjected to WFQ arbitration */
611 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
612 		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
613 
614 	/* Please notice the register address are note continuous and a
615 	 * for here is note appropriate.In 2 port mode port0 only COS0-5
616 	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
617 	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
618 	 * are never used for WFQ
619 	 */
620 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
621 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
622 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
623 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
624 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
625 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
626 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
627 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
628 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
629 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
630 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
631 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
632 	if (!port) {
633 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
634 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
635 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
636 	}
637 
638 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
639 }
640 /******************************************************************************
641 * Description:
642 *	Set credit upper bound for PBF.
643 *.
644 ******************************************************************************/
645 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
646 	const struct link_params *params,
647 	const u32 min_w_val)
648 {
649 	struct bnx2x *bp = params->bp;
650 	const u32 credit_upper_bound =
651 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
652 	const u8 port = params->port;
653 	u32 base_upper_bound = 0;
654 	u8 max_cos = 0;
655 	u8 i = 0;
656 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
657 	 * port mode port1 has COS0-2 that can be used for WFQ.
658 	 */
659 	if (!port) {
660 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
661 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
662 	} else {
663 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
664 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
665 	}
666 
667 	for (i = 0; i < max_cos; i++)
668 		REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
669 }
670 
671 /******************************************************************************
672 * Description:
673 *	Will return the PBF ETS registers to init values.Except
674 *	credit_upper_bound.
675 *	That isn't used in this configuration (No WFQ is enabled) and will be
676 *	configured acording to spec
677 *.
678 ******************************************************************************/
679 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
680 {
681 	struct bnx2x *bp = params->bp;
682 	const u8 port = params->port;
683 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
684 	u8 i = 0;
685 	u32 base_weight = 0;
686 	u8 max_cos = 0;
687 
688 	/* Mapping between entry  priority to client number 0 - COS0
689 	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
690 	 * TODO_ETS - Should be done by reset value or init tool
691 	 */
692 	if (port)
693 		/*  0x688 (|011|0 10|00 1|000) */
694 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
695 	else
696 		/*  (10 1|100 |011|0 10|00 1|000) */
697 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
698 
699 	/* TODO_ETS - Should be done by reset value or init tool */
700 	if (port)
701 		/* 0x688 (|011|0 10|00 1|000)*/
702 		REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
703 	else
704 	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
705 	REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
706 
707 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
708 		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
709 
710 
711 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
712 		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
713 
714 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
715 		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
716 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
717 	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
718 	 */
719 	if (!port) {
720 		base_weight = PBF_REG_COS0_WEIGHT_P0;
721 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
722 	} else {
723 		base_weight = PBF_REG_COS0_WEIGHT_P1;
724 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
725 	}
726 
727 	for (i = 0; i < max_cos; i++)
728 		REG_WR(bp, base_weight + (0x4 * i), 0);
729 
730 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
731 }
732 /******************************************************************************
733 * Description:
734 *	E3B0 disable will return basicly the values to init values.
735 *.
736 ******************************************************************************/
737 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
738 				   const struct link_vars *vars)
739 {
740 	struct bnx2x *bp = params->bp;
741 
742 	if (!CHIP_IS_E3B0(bp)) {
743 		DP(NETIF_MSG_LINK,
744 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
745 		return -EINVAL;
746 	}
747 
748 	bnx2x_ets_e3b0_nig_disabled(params, vars);
749 
750 	bnx2x_ets_e3b0_pbf_disabled(params);
751 
752 	return 0;
753 }
754 
755 /******************************************************************************
756 * Description:
757 *	Disable will return basicly the values to init values.
758 *
759 ******************************************************************************/
760 int bnx2x_ets_disabled(struct link_params *params,
761 		      struct link_vars *vars)
762 {
763 	struct bnx2x *bp = params->bp;
764 	int bnx2x_status = 0;
765 
766 	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
767 		bnx2x_ets_e2e3a0_disabled(params);
768 	else if (CHIP_IS_E3B0(bp))
769 		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
770 	else {
771 		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
772 		return -EINVAL;
773 	}
774 
775 	return bnx2x_status;
776 }
777 
778 /******************************************************************************
779 * Description
780 *	Set the COS mappimg to SP and BW until this point all the COS are not
781 *	set as SP or BW.
782 ******************************************************************************/
783 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
784 				  const struct bnx2x_ets_params *ets_params,
785 				  const u8 cos_sp_bitmap,
786 				  const u8 cos_bw_bitmap)
787 {
788 	struct bnx2x *bp = params->bp;
789 	const u8 port = params->port;
790 	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
791 	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
792 	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
793 	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
794 
795 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
796 	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
797 
798 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
799 	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
800 
801 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
802 	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
803 	       nig_cli_subject2wfq_bitmap);
804 
805 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
806 	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
807 	       pbf_cli_subject2wfq_bitmap);
808 
809 	return 0;
810 }
811 
812 /******************************************************************************
813 * Description:
814 *	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
815 *	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
816 ******************************************************************************/
817 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
818 				     const u8 cos_entry,
819 				     const u32 min_w_val_nig,
820 				     const u32 min_w_val_pbf,
821 				     const u16 total_bw,
822 				     const u8 bw,
823 				     const u8 port)
824 {
825 	u32 nig_reg_adress_crd_weight = 0;
826 	u32 pbf_reg_adress_crd_weight = 0;
827 	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
828 	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
829 	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
830 
831 	switch (cos_entry) {
832 	case 0:
833 	    nig_reg_adress_crd_weight =
834 		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
835 		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
836 	     pbf_reg_adress_crd_weight = (port) ?
837 		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
838 	     break;
839 	case 1:
840 	     nig_reg_adress_crd_weight = (port) ?
841 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
842 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
843 	     pbf_reg_adress_crd_weight = (port) ?
844 		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
845 	     break;
846 	case 2:
847 	     nig_reg_adress_crd_weight = (port) ?
848 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
849 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
850 
851 		 pbf_reg_adress_crd_weight = (port) ?
852 		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
853 	     break;
854 	case 3:
855 	    if (port)
856 			return -EINVAL;
857 	     nig_reg_adress_crd_weight =
858 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
859 	     pbf_reg_adress_crd_weight =
860 		 PBF_REG_COS3_WEIGHT_P0;
861 	     break;
862 	case 4:
863 	    if (port)
864 		return -EINVAL;
865 	     nig_reg_adress_crd_weight =
866 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
867 	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
868 	     break;
869 	case 5:
870 	    if (port)
871 		return -EINVAL;
872 	     nig_reg_adress_crd_weight =
873 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
874 	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
875 	     break;
876 	}
877 
878 	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
879 
880 	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
881 
882 	return 0;
883 }
884 /******************************************************************************
885 * Description:
886 *	Calculate the total BW.A value of 0 isn't legal.
887 *
888 ******************************************************************************/
889 static int bnx2x_ets_e3b0_get_total_bw(
890 	const struct link_params *params,
891 	struct bnx2x_ets_params *ets_params,
892 	u16 *total_bw)
893 {
894 	struct bnx2x *bp = params->bp;
895 	u8 cos_idx = 0;
896 	u8 is_bw_cos_exist = 0;
897 
898 	*total_bw = 0 ;
899 	/* Calculate total BW requested */
900 	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
901 		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
902 			is_bw_cos_exist = 1;
903 			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
904 				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
905 						   "was set to 0\n");
906 				/* This is to prevent a state when ramrods
907 				 * can't be sent
908 				 */
909 				ets_params->cos[cos_idx].params.bw_params.bw
910 					 = 1;
911 			}
912 			*total_bw +=
913 				ets_params->cos[cos_idx].params.bw_params.bw;
914 		}
915 	}
916 
917 	/* Check total BW is valid */
918 	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
919 		if (*total_bw == 0) {
920 			DP(NETIF_MSG_LINK,
921 			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
922 			return -EINVAL;
923 		}
924 		DP(NETIF_MSG_LINK,
925 		   "bnx2x_ets_E3B0_config total BW should be 100\n");
926 		/* We can handle a case whre the BW isn't 100 this can happen
927 		 * if the TC are joined.
928 		 */
929 	}
930 	return 0;
931 }
932 
933 /******************************************************************************
934 * Description:
935 *	Invalidate all the sp_pri_to_cos.
936 *
937 ******************************************************************************/
938 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
939 {
940 	u8 pri = 0;
941 	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
942 		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
943 }
944 /******************************************************************************
945 * Description:
946 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
947 *	according to sp_pri_to_cos.
948 *
949 ******************************************************************************/
950 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
951 					    u8 *sp_pri_to_cos, const u8 pri,
952 					    const u8 cos_entry)
953 {
954 	struct bnx2x *bp = params->bp;
955 	const u8 port = params->port;
956 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
957 		DCBX_E3B0_MAX_NUM_COS_PORT0;
958 
959 	if (pri >= max_num_of_cos) {
960 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
961 		   "parameter Illegal strict priority\n");
962 	    return -EINVAL;
963 	}
964 
965 	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
966 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
967 				   "parameter There can't be two COS's with "
968 				   "the same strict pri\n");
969 		return -EINVAL;
970 	}
971 
972 	sp_pri_to_cos[pri] = cos_entry;
973 	return 0;
974 
975 }
976 
977 /******************************************************************************
978 * Description:
979 *	Returns the correct value according to COS and priority in
980 *	the sp_pri_cli register.
981 *
982 ******************************************************************************/
983 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
984 					 const u8 pri_set,
985 					 const u8 pri_offset,
986 					 const u8 entry_size)
987 {
988 	u64 pri_cli_nig = 0;
989 	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
990 						    (pri_set + pri_offset));
991 
992 	return pri_cli_nig;
993 }
994 /******************************************************************************
995 * Description:
996 *	Returns the correct value according to COS and priority in the
997 *	sp_pri_cli register for NIG.
998 *
999 ******************************************************************************/
1000 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1001 {
1002 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1003 	const u8 nig_cos_offset = 3;
1004 	const u8 nig_pri_offset = 3;
1005 
1006 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1007 		nig_pri_offset, 4);
1008 
1009 }
1010 /******************************************************************************
1011 * Description:
1012 *	Returns the correct value according to COS and priority in the
1013 *	sp_pri_cli register for PBF.
1014 *
1015 ******************************************************************************/
1016 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1017 {
1018 	const u8 pbf_cos_offset = 0;
1019 	const u8 pbf_pri_offset = 0;
1020 
1021 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1022 		pbf_pri_offset, 3);
1023 
1024 }
1025 
1026 /******************************************************************************
1027 * Description:
1028 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1029 *	according to sp_pri_to_cos.(which COS has higher priority)
1030 *
1031 ******************************************************************************/
1032 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1033 					     u8 *sp_pri_to_cos)
1034 {
1035 	struct bnx2x *bp = params->bp;
1036 	u8 i = 0;
1037 	const u8 port = params->port;
1038 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1039 	u64 pri_cli_nig = 0x210;
1040 	u32 pri_cli_pbf = 0x0;
1041 	u8 pri_set = 0;
1042 	u8 pri_bitmask = 0;
1043 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1044 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1045 
1046 	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1047 
1048 	/* Set all the strict priority first */
1049 	for (i = 0; i < max_num_of_cos; i++) {
1050 		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1051 			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1052 				DP(NETIF_MSG_LINK,
1053 					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1054 					   "invalid cos entry\n");
1055 				return -EINVAL;
1056 			}
1057 
1058 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1059 			    sp_pri_to_cos[i], pri_set);
1060 
1061 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1062 			    sp_pri_to_cos[i], pri_set);
1063 			pri_bitmask = 1 << sp_pri_to_cos[i];
1064 			/* COS is used remove it from bitmap.*/
1065 			if (!(pri_bitmask & cos_bit_to_set)) {
1066 				DP(NETIF_MSG_LINK,
1067 					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1068 					"invalid There can't be two COS's with"
1069 					" the same strict pri\n");
1070 				return -EINVAL;
1071 			}
1072 			cos_bit_to_set &= ~pri_bitmask;
1073 			pri_set++;
1074 		}
1075 	}
1076 
1077 	/* Set all the Non strict priority i= COS*/
1078 	for (i = 0; i < max_num_of_cos; i++) {
1079 		pri_bitmask = 1 << i;
1080 		/* Check if COS was already used for SP */
1081 		if (pri_bitmask & cos_bit_to_set) {
1082 			/* COS wasn't used for SP */
1083 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1084 			    i, pri_set);
1085 
1086 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1087 			    i, pri_set);
1088 			/* COS is used remove it from bitmap.*/
1089 			cos_bit_to_set &= ~pri_bitmask;
1090 			pri_set++;
1091 		}
1092 	}
1093 
1094 	if (pri_set != max_num_of_cos) {
1095 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1096 				   "entries were set\n");
1097 		return -EINVAL;
1098 	}
1099 
1100 	if (port) {
1101 		/* Only 6 usable clients*/
1102 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1103 		       (u32)pri_cli_nig);
1104 
1105 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1106 	} else {
1107 		/* Only 9 usable clients*/
1108 		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1109 		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1110 
1111 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1112 		       pri_cli_nig_lsb);
1113 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1114 		       pri_cli_nig_msb);
1115 
1116 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1117 	}
1118 	return 0;
1119 }
1120 
1121 /******************************************************************************
1122 * Description:
1123 *	Configure the COS to ETS according to BW and SP settings.
1124 ******************************************************************************/
1125 int bnx2x_ets_e3b0_config(const struct link_params *params,
1126 			 const struct link_vars *vars,
1127 			 struct bnx2x_ets_params *ets_params)
1128 {
1129 	struct bnx2x *bp = params->bp;
1130 	int bnx2x_status = 0;
1131 	const u8 port = params->port;
1132 	u16 total_bw = 0;
1133 	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1134 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1135 	u8 cos_bw_bitmap = 0;
1136 	u8 cos_sp_bitmap = 0;
1137 	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1138 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1139 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1140 	u8 cos_entry = 0;
1141 
1142 	if (!CHIP_IS_E3B0(bp)) {
1143 		DP(NETIF_MSG_LINK,
1144 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1145 		return -EINVAL;
1146 	}
1147 
1148 	if ((ets_params->num_of_cos > max_num_of_cos)) {
1149 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1150 				   "isn't supported\n");
1151 		return -EINVAL;
1152 	}
1153 
1154 	/* Prepare sp strict priority parameters*/
1155 	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1156 
1157 	/* Prepare BW parameters*/
1158 	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1159 						   &total_bw);
1160 	if (bnx2x_status) {
1161 		DP(NETIF_MSG_LINK,
1162 		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
1163 		return -EINVAL;
1164 	}
1165 
1166 	/* Upper bound is set according to current link speed (min_w_val
1167 	 * should be the same for upper bound and COS credit val).
1168 	 */
1169 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1170 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1171 
1172 
1173 	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1174 		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1175 			cos_bw_bitmap |= (1 << cos_entry);
1176 			/* The function also sets the BW in HW(not the mappin
1177 			 * yet)
1178 			 */
1179 			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1180 				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1181 				total_bw,
1182 				ets_params->cos[cos_entry].params.bw_params.bw,
1183 				 port);
1184 		} else if (bnx2x_cos_state_strict ==
1185 			ets_params->cos[cos_entry].state){
1186 			cos_sp_bitmap |= (1 << cos_entry);
1187 
1188 			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1189 				params,
1190 				sp_pri_to_cos,
1191 				ets_params->cos[cos_entry].params.sp_params.pri,
1192 				cos_entry);
1193 
1194 		} else {
1195 			DP(NETIF_MSG_LINK,
1196 			   "bnx2x_ets_e3b0_config cos state not valid\n");
1197 			return -EINVAL;
1198 		}
1199 		if (bnx2x_status) {
1200 			DP(NETIF_MSG_LINK,
1201 			   "bnx2x_ets_e3b0_config set cos bw failed\n");
1202 			return bnx2x_status;
1203 		}
1204 	}
1205 
1206 	/* Set SP register (which COS has higher priority) */
1207 	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1208 							 sp_pri_to_cos);
1209 
1210 	if (bnx2x_status) {
1211 		DP(NETIF_MSG_LINK,
1212 		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1213 		return bnx2x_status;
1214 	}
1215 
1216 	/* Set client mapping of BW and strict */
1217 	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1218 					      cos_sp_bitmap,
1219 					      cos_bw_bitmap);
1220 
1221 	if (bnx2x_status) {
1222 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1223 		return bnx2x_status;
1224 	}
1225 	return 0;
1226 }
1227 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1228 {
1229 	/* ETS disabled configuration */
1230 	struct bnx2x *bp = params->bp;
1231 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1232 	/* Defines which entries (clients) are subjected to WFQ arbitration
1233 	 * COS0 0x8
1234 	 * COS1 0x10
1235 	 */
1236 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1237 	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1238 	 * client numbers (WEIGHT_0 does not actually have to represent
1239 	 * client 0)
1240 	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1241 	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1242 	 */
1243 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1244 
1245 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1246 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1247 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1248 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1249 
1250 	/* ETS mode enabled*/
1251 	REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1252 
1253 	/* Defines the number of consecutive slots for the strict priority */
1254 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1255 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1256 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1257 	 * entry, 4 - COS1 entry.
1258 	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1259 	 * bit4   bit3	  bit2     bit1	   bit0
1260 	 * MCP and debug are strict
1261 	 */
1262 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1263 
1264 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1265 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1266 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1267 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1268 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1269 }
1270 
1271 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1272 			const u32 cos1_bw)
1273 {
1274 	/* ETS disabled configuration*/
1275 	struct bnx2x *bp = params->bp;
1276 	const u32 total_bw = cos0_bw + cos1_bw;
1277 	u32 cos0_credit_weight = 0;
1278 	u32 cos1_credit_weight = 0;
1279 
1280 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1281 
1282 	if ((!total_bw) ||
1283 	    (!cos0_bw) ||
1284 	    (!cos1_bw)) {
1285 		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1286 		return;
1287 	}
1288 
1289 	cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1290 		total_bw;
1291 	cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1292 		total_bw;
1293 
1294 	bnx2x_ets_bw_limit_common(params);
1295 
1296 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1297 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1298 
1299 	REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1300 	REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1301 }
1302 
1303 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1304 {
1305 	/* ETS disabled configuration*/
1306 	struct bnx2x *bp = params->bp;
1307 	u32 val	= 0;
1308 
1309 	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1310 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1311 	 * as strict.  Bits 0,1,2 - debug and management entries,
1312 	 * 3 - COS0 entry, 4 - COS1 entry.
1313 	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1314 	 *  bit4   bit3	  bit2      bit1     bit0
1315 	 * MCP and debug are strict
1316 	 */
1317 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1318 	/* For strict priority entries defines the number of consecutive slots
1319 	 * for the highest priority.
1320 	 */
1321 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1322 	/* ETS mode disable */
1323 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1324 	/* Defines the number of consecutive slots for the strict priority */
1325 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1326 
1327 	/* Defines the number of consecutive slots for the strict priority */
1328 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1329 
1330 	/* Mapping between entry  priority to client number (0,1,2 -debug and
1331 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1332 	 * 3bits client num.
1333 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1334 	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1335 	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1336 	 */
1337 	val = (!strict_cos) ? 0x2318 : 0x22E0;
1338 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1339 
1340 	return 0;
1341 }
1342 
1343 /******************************************************************/
1344 /*			PFC section				  */
1345 /******************************************************************/
1346 static void bnx2x_update_pfc_xmac(struct link_params *params,
1347 				  struct link_vars *vars,
1348 				  u8 is_lb)
1349 {
1350 	struct bnx2x *bp = params->bp;
1351 	u32 xmac_base;
1352 	u32 pause_val, pfc0_val, pfc1_val;
1353 
1354 	/* XMAC base adrr */
1355 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1356 
1357 	/* Initialize pause and pfc registers */
1358 	pause_val = 0x18000;
1359 	pfc0_val = 0xFFFF8000;
1360 	pfc1_val = 0x2;
1361 
1362 	/* No PFC support */
1363 	if (!(params->feature_config_flags &
1364 	      FEATURE_CONFIG_PFC_ENABLED)) {
1365 
1366 		/* RX flow control - Process pause frame in receive direction
1367 		 */
1368 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1369 			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1370 
1371 		/* TX flow control - Send pause packet when buffer is full */
1372 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1373 			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1374 	} else {/* PFC support */
1375 		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1376 			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1377 			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1378 			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1379 			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1380 		/* Write pause and PFC registers */
1381 		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1382 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1383 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1384 		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1385 
1386 	}
1387 
1388 	/* Write pause and PFC registers */
1389 	REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1390 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1391 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1392 
1393 
1394 	/* Set MAC address for source TX Pause/PFC frames */
1395 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1396 	       ((params->mac_addr[2] << 24) |
1397 		(params->mac_addr[3] << 16) |
1398 		(params->mac_addr[4] << 8) |
1399 		(params->mac_addr[5])));
1400 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1401 	       ((params->mac_addr[0] << 8) |
1402 		(params->mac_addr[1])));
1403 
1404 	udelay(30);
1405 }
1406 
1407 /******************************************************************/
1408 /*			MAC/PBF section				  */
1409 /******************************************************************/
1410 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1411 			       u32 emac_base)
1412 {
1413 	u32 new_mode, cur_mode;
1414 	u32 clc_cnt;
1415 	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1416 	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1417 	 */
1418 	cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1419 
1420 	if (USES_WARPCORE(bp))
1421 		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1422 	else
1423 		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1424 
1425 	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1426 	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1427 		return;
1428 
1429 	new_mode = cur_mode &
1430 		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1431 	new_mode |= clc_cnt;
1432 	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1433 
1434 	DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1435 	   cur_mode, new_mode);
1436 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1437 	udelay(40);
1438 }
1439 
1440 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1441 					struct link_params *params)
1442 {
1443 	u8 phy_index;
1444 	/* Set mdio clock per phy */
1445 	for (phy_index = INT_PHY; phy_index < params->num_phys;
1446 	      phy_index++)
1447 		bnx2x_set_mdio_clk(bp, params->chip_id,
1448 				   params->phy[phy_index].mdio_ctrl);
1449 }
1450 
1451 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1452 {
1453 	u32 port4mode_ovwr_val;
1454 	/* Check 4-port override enabled */
1455 	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1456 	if (port4mode_ovwr_val & (1<<0)) {
1457 		/* Return 4-port mode override value */
1458 		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1459 	}
1460 	/* Return 4-port mode from input pin */
1461 	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1462 }
1463 
1464 static void bnx2x_emac_init(struct link_params *params,
1465 			    struct link_vars *vars)
1466 {
1467 	/* reset and unreset the emac core */
1468 	struct bnx2x *bp = params->bp;
1469 	u8 port = params->port;
1470 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1471 	u32 val;
1472 	u16 timeout;
1473 
1474 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1475 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1476 	udelay(5);
1477 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1478 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1479 
1480 	/* init emac - use read-modify-write */
1481 	/* self clear reset */
1482 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1483 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1484 
1485 	timeout = 200;
1486 	do {
1487 		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1488 		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1489 		if (!timeout) {
1490 			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1491 			return;
1492 		}
1493 		timeout--;
1494 	} while (val & EMAC_MODE_RESET);
1495 
1496 	bnx2x_set_mdio_emac_per_phy(bp, params);
1497 	/* Set mac address */
1498 	val = ((params->mac_addr[0] << 8) |
1499 		params->mac_addr[1]);
1500 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1501 
1502 	val = ((params->mac_addr[2] << 24) |
1503 	       (params->mac_addr[3] << 16) |
1504 	       (params->mac_addr[4] << 8) |
1505 		params->mac_addr[5]);
1506 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1507 }
1508 
1509 static void bnx2x_set_xumac_nig(struct link_params *params,
1510 				u16 tx_pause_en,
1511 				u8 enable)
1512 {
1513 	struct bnx2x *bp = params->bp;
1514 
1515 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1516 	       enable);
1517 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1518 	       enable);
1519 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1520 	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1521 }
1522 
1523 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1524 {
1525 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1526 	u32 val;
1527 	struct bnx2x *bp = params->bp;
1528 	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1529 		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1530 		return;
1531 	val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1532 	if (en)
1533 		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1534 			UMAC_COMMAND_CONFIG_REG_RX_ENA);
1535 	else
1536 		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1537 			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1538 	/* Disable RX and TX */
1539 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1540 }
1541 
1542 static void bnx2x_umac_enable(struct link_params *params,
1543 			    struct link_vars *vars, u8 lb)
1544 {
1545 	u32 val;
1546 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1547 	struct bnx2x *bp = params->bp;
1548 	/* Reset UMAC */
1549 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1550 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1551 	usleep_range(1000, 2000);
1552 
1553 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1554 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1555 
1556 	DP(NETIF_MSG_LINK, "enabling UMAC\n");
1557 
1558 	/* This register opens the gate for the UMAC despite its name */
1559 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1560 
1561 	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1562 		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1563 		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1564 		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1565 	switch (vars->line_speed) {
1566 	case SPEED_10:
1567 		val |= (0<<2);
1568 		break;
1569 	case SPEED_100:
1570 		val |= (1<<2);
1571 		break;
1572 	case SPEED_1000:
1573 		val |= (2<<2);
1574 		break;
1575 	case SPEED_2500:
1576 		val |= (3<<2);
1577 		break;
1578 	default:
1579 		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1580 			       vars->line_speed);
1581 		break;
1582 	}
1583 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1584 		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1585 
1586 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1587 		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1588 
1589 	if (vars->duplex == DUPLEX_HALF)
1590 		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1591 
1592 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1593 	udelay(50);
1594 
1595 	/* Configure UMAC for EEE */
1596 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1597 		DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1598 		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1599 		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1600 		REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1601 	} else {
1602 		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1603 	}
1604 
1605 	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1606 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1607 	       ((params->mac_addr[2] << 24) |
1608 		(params->mac_addr[3] << 16) |
1609 		(params->mac_addr[4] << 8) |
1610 		(params->mac_addr[5])));
1611 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1612 	       ((params->mac_addr[0] << 8) |
1613 		(params->mac_addr[1])));
1614 
1615 	/* Enable RX and TX */
1616 	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1617 	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1618 		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1619 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1620 	udelay(50);
1621 
1622 	/* Remove SW Reset */
1623 	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1624 
1625 	/* Check loopback mode */
1626 	if (lb)
1627 		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1628 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1629 
1630 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1631 	 * length used by the MAC receive logic to check frames.
1632 	 */
1633 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1634 	bnx2x_set_xumac_nig(params,
1635 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1636 	vars->mac_type = MAC_TYPE_UMAC;
1637 
1638 }
1639 
1640 /* Define the XMAC mode */
1641 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1642 {
1643 	struct bnx2x *bp = params->bp;
1644 	u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1645 
1646 	/* In 4-port mode, need to set the mode only once, so if XMAC is
1647 	 * already out of reset, it means the mode has already been set,
1648 	 * and it must not* reset the XMAC again, since it controls both
1649 	 * ports of the path
1650 	 */
1651 
1652 	if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1653 	     (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1654 	     (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1655 	    is_port4mode &&
1656 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1657 	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1658 		DP(NETIF_MSG_LINK,
1659 		   "XMAC already out of reset in 4-port mode\n");
1660 		return;
1661 	}
1662 
1663 	/* Hard reset */
1664 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1665 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1666 	usleep_range(1000, 2000);
1667 
1668 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1669 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1670 	if (is_port4mode) {
1671 		DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1672 
1673 		/* Set the number of ports on the system side to up to 2 */
1674 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1675 
1676 		/* Set the number of ports on the Warp Core to 10G */
1677 		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1678 	} else {
1679 		/* Set the number of ports on the system side to 1 */
1680 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1681 		if (max_speed == SPEED_10000) {
1682 			DP(NETIF_MSG_LINK,
1683 			   "Init XMAC to 10G x 1 port per path\n");
1684 			/* Set the number of ports on the Warp Core to 10G */
1685 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1686 		} else {
1687 			DP(NETIF_MSG_LINK,
1688 			   "Init XMAC to 20G x 2 ports per path\n");
1689 			/* Set the number of ports on the Warp Core to 20G */
1690 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1691 		}
1692 	}
1693 	/* Soft reset */
1694 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1695 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1696 	usleep_range(1000, 2000);
1697 
1698 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1699 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1700 
1701 }
1702 
1703 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1704 {
1705 	u8 port = params->port;
1706 	struct bnx2x *bp = params->bp;
1707 	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1708 	u32 val;
1709 
1710 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1711 	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1712 		/* Send an indication to change the state in the NIG back to XON
1713 		 * Clearing this bit enables the next set of this bit to get
1714 		 * rising edge
1715 		 */
1716 		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1717 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1718 		       (pfc_ctrl & ~(1<<1)));
1719 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1720 		       (pfc_ctrl | (1<<1)));
1721 		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1722 		val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1723 		if (en)
1724 			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1725 		else
1726 			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1727 		REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1728 	}
1729 }
1730 
1731 static int bnx2x_xmac_enable(struct link_params *params,
1732 			     struct link_vars *vars, u8 lb)
1733 {
1734 	u32 val, xmac_base;
1735 	struct bnx2x *bp = params->bp;
1736 	DP(NETIF_MSG_LINK, "enabling XMAC\n");
1737 
1738 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1739 
1740 	bnx2x_xmac_init(params, vars->line_speed);
1741 
1742 	/* This register determines on which events the MAC will assert
1743 	 * error on the i/f to the NIG along w/ EOP.
1744 	 */
1745 
1746 	/* This register tells the NIG whether to send traffic to UMAC
1747 	 * or XMAC
1748 	 */
1749 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1750 
1751 	/* When XMAC is in XLGMII mode, disable sending idles for fault
1752 	 * detection.
1753 	 */
1754 	if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1755 		REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1756 		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1757 			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1758 		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1759 		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1760 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1761 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1762 	}
1763 	/* Set Max packet size */
1764 	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1765 
1766 	/* CRC append for Tx packets */
1767 	REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1768 
1769 	/* update PFC */
1770 	bnx2x_update_pfc_xmac(params, vars, 0);
1771 
1772 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1773 		DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1774 		REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1775 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1776 	} else {
1777 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1778 	}
1779 
1780 	/* Enable TX and RX */
1781 	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1782 
1783 	/* Set MAC in XLGMII mode for dual-mode */
1784 	if ((vars->line_speed == SPEED_20000) &&
1785 	    (params->phy[INT_PHY].supported &
1786 	     SUPPORTED_20000baseKR2_Full))
1787 		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1788 
1789 	/* Check loopback mode */
1790 	if (lb)
1791 		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1792 	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1793 	bnx2x_set_xumac_nig(params,
1794 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1795 
1796 	vars->mac_type = MAC_TYPE_XMAC;
1797 
1798 	return 0;
1799 }
1800 
1801 static int bnx2x_emac_enable(struct link_params *params,
1802 			     struct link_vars *vars, u8 lb)
1803 {
1804 	struct bnx2x *bp = params->bp;
1805 	u8 port = params->port;
1806 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1807 	u32 val;
1808 
1809 	DP(NETIF_MSG_LINK, "enabling EMAC\n");
1810 
1811 	/* Disable BMAC */
1812 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1813 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1814 
1815 	/* enable emac and not bmac */
1816 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1817 
1818 	/* ASIC */
1819 	if (vars->phy_flags & PHY_XGXS_FLAG) {
1820 		u32 ser_lane = ((params->lane_config &
1821 				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1822 				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1823 
1824 		DP(NETIF_MSG_LINK, "XGXS\n");
1825 		/* select the master lanes (out of 0-3) */
1826 		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1827 		/* select XGXS */
1828 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1829 
1830 	} else { /* SerDes */
1831 		DP(NETIF_MSG_LINK, "SerDes\n");
1832 		/* select SerDes */
1833 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1834 	}
1835 
1836 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1837 		      EMAC_RX_MODE_RESET);
1838 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1839 		      EMAC_TX_MODE_RESET);
1840 
1841 		/* pause enable/disable */
1842 		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1843 			       EMAC_RX_MODE_FLOW_EN);
1844 
1845 		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1846 			       (EMAC_TX_MODE_EXT_PAUSE_EN |
1847 				EMAC_TX_MODE_FLOW_EN));
1848 		if (!(params->feature_config_flags &
1849 		      FEATURE_CONFIG_PFC_ENABLED)) {
1850 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1851 				bnx2x_bits_en(bp, emac_base +
1852 					      EMAC_REG_EMAC_RX_MODE,
1853 					      EMAC_RX_MODE_FLOW_EN);
1854 
1855 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1856 				bnx2x_bits_en(bp, emac_base +
1857 					      EMAC_REG_EMAC_TX_MODE,
1858 					      (EMAC_TX_MODE_EXT_PAUSE_EN |
1859 					       EMAC_TX_MODE_FLOW_EN));
1860 		} else
1861 			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1862 				      EMAC_TX_MODE_FLOW_EN);
1863 
1864 	/* KEEP_VLAN_TAG, promiscuous */
1865 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1866 	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1867 
1868 	/* Setting this bit causes MAC control frames (except for pause
1869 	 * frames) to be passed on for processing. This setting has no
1870 	 * affect on the operation of the pause frames. This bit effects
1871 	 * all packets regardless of RX Parser packet sorting logic.
1872 	 * Turn the PFC off to make sure we are in Xon state before
1873 	 * enabling it.
1874 	 */
1875 	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1876 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1877 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1878 		/* Enable PFC again */
1879 		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1880 			EMAC_REG_RX_PFC_MODE_RX_EN |
1881 			EMAC_REG_RX_PFC_MODE_TX_EN |
1882 			EMAC_REG_RX_PFC_MODE_PRIORITIES);
1883 
1884 		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1885 			((0x0101 <<
1886 			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1887 			 (0x00ff <<
1888 			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1889 		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1890 	}
1891 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1892 
1893 	/* Set Loopback */
1894 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1895 	if (lb)
1896 		val |= 0x810;
1897 	else
1898 		val &= ~0x810;
1899 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1900 
1901 	/* Enable emac */
1902 	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1903 
1904 	/* Enable emac for jumbo packets */
1905 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1906 		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
1907 		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1908 
1909 	/* Strip CRC */
1910 	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1911 
1912 	/* Disable the NIG in/out to the bmac */
1913 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1914 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1915 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1916 
1917 	/* Enable the NIG in/out to the emac */
1918 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1919 	val = 0;
1920 	if ((params->feature_config_flags &
1921 	      FEATURE_CONFIG_PFC_ENABLED) ||
1922 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1923 		val = 1;
1924 
1925 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1926 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1927 
1928 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1929 
1930 	vars->mac_type = MAC_TYPE_EMAC;
1931 	return 0;
1932 }
1933 
1934 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1935 				   struct link_vars *vars)
1936 {
1937 	u32 wb_data[2];
1938 	struct bnx2x *bp = params->bp;
1939 	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1940 		NIG_REG_INGRESS_BMAC0_MEM;
1941 
1942 	u32 val = 0x14;
1943 	if ((!(params->feature_config_flags &
1944 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1945 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1946 		/* Enable BigMAC to react on received Pause packets */
1947 		val |= (1<<5);
1948 	wb_data[0] = val;
1949 	wb_data[1] = 0;
1950 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1951 
1952 	/* TX control */
1953 	val = 0xc0;
1954 	if (!(params->feature_config_flags &
1955 	      FEATURE_CONFIG_PFC_ENABLED) &&
1956 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1957 		val |= 0x800000;
1958 	wb_data[0] = val;
1959 	wb_data[1] = 0;
1960 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1961 }
1962 
1963 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1964 				   struct link_vars *vars,
1965 				   u8 is_lb)
1966 {
1967 	/* Set rx control: Strip CRC and enable BigMAC to relay
1968 	 * control packets to the system as well
1969 	 */
1970 	u32 wb_data[2];
1971 	struct bnx2x *bp = params->bp;
1972 	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1973 		NIG_REG_INGRESS_BMAC0_MEM;
1974 	u32 val = 0x14;
1975 
1976 	if ((!(params->feature_config_flags &
1977 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1978 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1979 		/* Enable BigMAC to react on received Pause packets */
1980 		val |= (1<<5);
1981 	wb_data[0] = val;
1982 	wb_data[1] = 0;
1983 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1984 	udelay(30);
1985 
1986 	/* Tx control */
1987 	val = 0xc0;
1988 	if (!(params->feature_config_flags &
1989 				FEATURE_CONFIG_PFC_ENABLED) &&
1990 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1991 		val |= 0x800000;
1992 	wb_data[0] = val;
1993 	wb_data[1] = 0;
1994 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
1995 
1996 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1997 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1998 		/* Enable PFC RX & TX & STATS and set 8 COS  */
1999 		wb_data[0] = 0x0;
2000 		wb_data[0] |= (1<<0);  /* RX */
2001 		wb_data[0] |= (1<<1);  /* TX */
2002 		wb_data[0] |= (1<<2);  /* Force initial Xon */
2003 		wb_data[0] |= (1<<3);  /* 8 cos */
2004 		wb_data[0] |= (1<<5);  /* STATS */
2005 		wb_data[1] = 0;
2006 		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2007 			    wb_data, 2);
2008 		/* Clear the force Xon */
2009 		wb_data[0] &= ~(1<<2);
2010 	} else {
2011 		DP(NETIF_MSG_LINK, "PFC is disabled\n");
2012 		/* Disable PFC RX & TX & STATS and set 8 COS */
2013 		wb_data[0] = 0x8;
2014 		wb_data[1] = 0;
2015 	}
2016 
2017 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2018 
2019 	/* Set Time (based unit is 512 bit time) between automatic
2020 	 * re-sending of PP packets amd enable automatic re-send of
2021 	 * Per-Priroity Packet as long as pp_gen is asserted and
2022 	 * pp_disable is low.
2023 	 */
2024 	val = 0x8000;
2025 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2026 		val |= (1<<16); /* enable automatic re-send */
2027 
2028 	wb_data[0] = val;
2029 	wb_data[1] = 0;
2030 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2031 		    wb_data, 2);
2032 
2033 	/* mac control */
2034 	val = 0x3; /* Enable RX and TX */
2035 	if (is_lb) {
2036 		val |= 0x4; /* Local loopback */
2037 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2038 	}
2039 	/* When PFC enabled, Pass pause frames towards the NIG. */
2040 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2041 		val |= ((1<<6)|(1<<5));
2042 
2043 	wb_data[0] = val;
2044 	wb_data[1] = 0;
2045 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2046 }
2047 
2048 /******************************************************************************
2049 * Description:
2050 *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2051 *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2052 ******************************************************************************/
2053 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2054 					   u8 cos_entry,
2055 					   u32 priority_mask, u8 port)
2056 {
2057 	u32 nig_reg_rx_priority_mask_add = 0;
2058 
2059 	switch (cos_entry) {
2060 	case 0:
2061 	     nig_reg_rx_priority_mask_add = (port) ?
2062 		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2063 		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2064 	     break;
2065 	case 1:
2066 	    nig_reg_rx_priority_mask_add = (port) ?
2067 		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2068 		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2069 	    break;
2070 	case 2:
2071 	    nig_reg_rx_priority_mask_add = (port) ?
2072 		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2073 		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2074 	    break;
2075 	case 3:
2076 	    if (port)
2077 		return -EINVAL;
2078 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2079 	    break;
2080 	case 4:
2081 	    if (port)
2082 		return -EINVAL;
2083 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2084 	    break;
2085 	case 5:
2086 	    if (port)
2087 		return -EINVAL;
2088 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2089 	    break;
2090 	}
2091 
2092 	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2093 
2094 	return 0;
2095 }
2096 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2097 {
2098 	struct bnx2x *bp = params->bp;
2099 
2100 	REG_WR(bp, params->shmem_base +
2101 	       offsetof(struct shmem_region,
2102 			port_mb[params->port].link_status), link_status);
2103 }
2104 
2105 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2106 {
2107 	struct bnx2x *bp = params->bp;
2108 
2109 	if (SHMEM2_HAS(bp, link_attr_sync))
2110 		REG_WR(bp, params->shmem2_base +
2111 		       offsetof(struct shmem2_region,
2112 				link_attr_sync[params->port]), link_attr);
2113 }
2114 
2115 static void bnx2x_update_pfc_nig(struct link_params *params,
2116 		struct link_vars *vars,
2117 		struct bnx2x_nig_brb_pfc_port_params *nig_params)
2118 {
2119 	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2120 	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2121 	u32 pkt_priority_to_cos = 0;
2122 	struct bnx2x *bp = params->bp;
2123 	u8 port = params->port;
2124 
2125 	int set_pfc = params->feature_config_flags &
2126 		FEATURE_CONFIG_PFC_ENABLED;
2127 	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2128 
2129 	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2130 	 * MAC control frames (that are not pause packets)
2131 	 * will be forwarded to the XCM.
2132 	 */
2133 	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2134 			  NIG_REG_LLH0_XCM_MASK);
2135 	/* NIG params will override non PFC params, since it's possible to
2136 	 * do transition from PFC to SAFC
2137 	 */
2138 	if (set_pfc) {
2139 		pause_enable = 0;
2140 		llfc_out_en = 0;
2141 		llfc_enable = 0;
2142 		if (CHIP_IS_E3(bp))
2143 			ppp_enable = 0;
2144 		else
2145 			ppp_enable = 1;
2146 		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2147 				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2148 		xcm_out_en = 0;
2149 		hwpfc_enable = 1;
2150 	} else  {
2151 		if (nig_params) {
2152 			llfc_out_en = nig_params->llfc_out_en;
2153 			llfc_enable = nig_params->llfc_enable;
2154 			pause_enable = nig_params->pause_enable;
2155 		} else  /* Default non PFC mode - PAUSE */
2156 			pause_enable = 1;
2157 
2158 		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2159 			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2160 		xcm_out_en = 1;
2161 	}
2162 
2163 	if (CHIP_IS_E3(bp))
2164 		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2165 		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2166 	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2167 	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2168 	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2169 	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2170 	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2171 	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2172 
2173 	REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2174 	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2175 
2176 	REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2177 	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2178 
2179 	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2180 	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2181 
2182 	/* Output enable for RX_XCM # IF */
2183 	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2184 	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2185 
2186 	/* HW PFC TX enable */
2187 	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2188 	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2189 
2190 	if (nig_params) {
2191 		u8 i = 0;
2192 		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2193 
2194 		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2195 			bnx2x_pfc_nig_rx_priority_mask(bp, i,
2196 		nig_params->rx_cos_priority_mask[i], port);
2197 
2198 		REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2199 		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2200 		       nig_params->llfc_high_priority_classes);
2201 
2202 		REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2203 		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2204 		       nig_params->llfc_low_priority_classes);
2205 	}
2206 	REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2207 	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2208 	       pkt_priority_to_cos);
2209 }
2210 
2211 int bnx2x_update_pfc(struct link_params *params,
2212 		      struct link_vars *vars,
2213 		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2214 {
2215 	/* The PFC and pause are orthogonal to one another, meaning when
2216 	 * PFC is enabled, the pause are disabled, and when PFC is
2217 	 * disabled, pause are set according to the pause result.
2218 	 */
2219 	u32 val;
2220 	struct bnx2x *bp = params->bp;
2221 	int bnx2x_status = 0;
2222 	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2223 
2224 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2225 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2226 	else
2227 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2228 
2229 	bnx2x_update_mng(params, vars->link_status);
2230 
2231 	/* Update NIG params */
2232 	bnx2x_update_pfc_nig(params, vars, pfc_params);
2233 
2234 	if (!vars->link_up)
2235 		return bnx2x_status;
2236 
2237 	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2238 
2239 	if (CHIP_IS_E3(bp)) {
2240 		if (vars->mac_type == MAC_TYPE_XMAC)
2241 			bnx2x_update_pfc_xmac(params, vars, 0);
2242 	} else {
2243 		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2244 		if ((val &
2245 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2246 		    == 0) {
2247 			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2248 			bnx2x_emac_enable(params, vars, 0);
2249 			return bnx2x_status;
2250 		}
2251 		if (CHIP_IS_E2(bp))
2252 			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2253 		else
2254 			bnx2x_update_pfc_bmac1(params, vars);
2255 
2256 		val = 0;
2257 		if ((params->feature_config_flags &
2258 		     FEATURE_CONFIG_PFC_ENABLED) ||
2259 		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2260 			val = 1;
2261 		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2262 	}
2263 	return bnx2x_status;
2264 }
2265 
2266 static int bnx2x_bmac1_enable(struct link_params *params,
2267 			      struct link_vars *vars,
2268 			      u8 is_lb)
2269 {
2270 	struct bnx2x *bp = params->bp;
2271 	u8 port = params->port;
2272 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2273 			       NIG_REG_INGRESS_BMAC0_MEM;
2274 	u32 wb_data[2];
2275 	u32 val;
2276 
2277 	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2278 
2279 	/* XGXS control */
2280 	wb_data[0] = 0x3c;
2281 	wb_data[1] = 0;
2282 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2283 		    wb_data, 2);
2284 
2285 	/* TX MAC SA */
2286 	wb_data[0] = ((params->mac_addr[2] << 24) |
2287 		       (params->mac_addr[3] << 16) |
2288 		       (params->mac_addr[4] << 8) |
2289 			params->mac_addr[5]);
2290 	wb_data[1] = ((params->mac_addr[0] << 8) |
2291 			params->mac_addr[1]);
2292 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2293 
2294 	/* MAC control */
2295 	val = 0x3;
2296 	if (is_lb) {
2297 		val |= 0x4;
2298 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2299 	}
2300 	wb_data[0] = val;
2301 	wb_data[1] = 0;
2302 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2303 
2304 	/* Set rx mtu */
2305 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2306 	wb_data[1] = 0;
2307 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2308 
2309 	bnx2x_update_pfc_bmac1(params, vars);
2310 
2311 	/* Set tx mtu */
2312 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2313 	wb_data[1] = 0;
2314 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2315 
2316 	/* Set cnt max size */
2317 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2318 	wb_data[1] = 0;
2319 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2320 
2321 	/* Configure SAFC */
2322 	wb_data[0] = 0x1000200;
2323 	wb_data[1] = 0;
2324 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2325 		    wb_data, 2);
2326 
2327 	return 0;
2328 }
2329 
2330 static int bnx2x_bmac2_enable(struct link_params *params,
2331 			      struct link_vars *vars,
2332 			      u8 is_lb)
2333 {
2334 	struct bnx2x *bp = params->bp;
2335 	u8 port = params->port;
2336 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2337 			       NIG_REG_INGRESS_BMAC0_MEM;
2338 	u32 wb_data[2];
2339 
2340 	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2341 
2342 	wb_data[0] = 0;
2343 	wb_data[1] = 0;
2344 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2345 	udelay(30);
2346 
2347 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2348 	wb_data[0] = 0x3c;
2349 	wb_data[1] = 0;
2350 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2351 		    wb_data, 2);
2352 
2353 	udelay(30);
2354 
2355 	/* TX MAC SA */
2356 	wb_data[0] = ((params->mac_addr[2] << 24) |
2357 		       (params->mac_addr[3] << 16) |
2358 		       (params->mac_addr[4] << 8) |
2359 			params->mac_addr[5]);
2360 	wb_data[1] = ((params->mac_addr[0] << 8) |
2361 			params->mac_addr[1]);
2362 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2363 		    wb_data, 2);
2364 
2365 	udelay(30);
2366 
2367 	/* Configure SAFC */
2368 	wb_data[0] = 0x1000200;
2369 	wb_data[1] = 0;
2370 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2371 		    wb_data, 2);
2372 	udelay(30);
2373 
2374 	/* Set RX MTU */
2375 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2376 	wb_data[1] = 0;
2377 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2378 	udelay(30);
2379 
2380 	/* Set TX MTU */
2381 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2382 	wb_data[1] = 0;
2383 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2384 	udelay(30);
2385 	/* Set cnt max size */
2386 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2387 	wb_data[1] = 0;
2388 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2389 	udelay(30);
2390 	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2391 
2392 	return 0;
2393 }
2394 
2395 static int bnx2x_bmac_enable(struct link_params *params,
2396 			     struct link_vars *vars,
2397 			     u8 is_lb, u8 reset_bmac)
2398 {
2399 	int rc = 0;
2400 	u8 port = params->port;
2401 	struct bnx2x *bp = params->bp;
2402 	u32 val;
2403 	/* Reset and unreset the BigMac */
2404 	if (reset_bmac) {
2405 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2406 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2407 		usleep_range(1000, 2000);
2408 	}
2409 
2410 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2411 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2412 
2413 	/* Enable access for bmac registers */
2414 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2415 
2416 	/* Enable BMAC according to BMAC type*/
2417 	if (CHIP_IS_E2(bp))
2418 		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2419 	else
2420 		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2421 	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2422 	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2423 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2424 	val = 0;
2425 	if ((params->feature_config_flags &
2426 	      FEATURE_CONFIG_PFC_ENABLED) ||
2427 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2428 		val = 1;
2429 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2430 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2431 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2432 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2433 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2434 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2435 
2436 	vars->mac_type = MAC_TYPE_BMAC;
2437 	return rc;
2438 }
2439 
2440 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2441 {
2442 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2443 			NIG_REG_INGRESS_BMAC0_MEM;
2444 	u32 wb_data[2];
2445 	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2446 
2447 	if (CHIP_IS_E2(bp))
2448 		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2449 	else
2450 		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2451 	/* Only if the bmac is out of reset */
2452 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2453 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2454 	    nig_bmac_enable) {
2455 		/* Clear Rx Enable bit in BMAC_CONTROL register */
2456 		REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2457 		if (en)
2458 			wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2459 		else
2460 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2461 		REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2462 		usleep_range(1000, 2000);
2463 	}
2464 }
2465 
2466 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2467 			    u32 line_speed)
2468 {
2469 	struct bnx2x *bp = params->bp;
2470 	u8 port = params->port;
2471 	u32 init_crd, crd;
2472 	u32 count = 1000;
2473 
2474 	/* Disable port */
2475 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2476 
2477 	/* Wait for init credit */
2478 	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2479 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2480 	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2481 
2482 	while ((init_crd != crd) && count) {
2483 		usleep_range(5000, 10000);
2484 		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2485 		count--;
2486 	}
2487 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2488 	if (init_crd != crd) {
2489 		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2490 			  init_crd, crd);
2491 		return -EINVAL;
2492 	}
2493 
2494 	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2495 	    line_speed == SPEED_10 ||
2496 	    line_speed == SPEED_100 ||
2497 	    line_speed == SPEED_1000 ||
2498 	    line_speed == SPEED_2500) {
2499 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2500 		/* Update threshold */
2501 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2502 		/* Update init credit */
2503 		init_crd = 778;		/* (800-18-4) */
2504 
2505 	} else {
2506 		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2507 			      ETH_OVREHEAD)/16;
2508 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2509 		/* Update threshold */
2510 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2511 		/* Update init credit */
2512 		switch (line_speed) {
2513 		case SPEED_10000:
2514 			init_crd = thresh + 553 - 22;
2515 			break;
2516 		default:
2517 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2518 				  line_speed);
2519 			return -EINVAL;
2520 		}
2521 	}
2522 	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2523 	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2524 		 line_speed, init_crd);
2525 
2526 	/* Probe the credit changes */
2527 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2528 	usleep_range(5000, 10000);
2529 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2530 
2531 	/* Enable port */
2532 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2533 	return 0;
2534 }
2535 
2536 /**
2537  * bnx2x_get_emac_base - retrive emac base address
2538  *
2539  * @bp:			driver handle
2540  * @mdc_mdio_access:	access type
2541  * @port:		port id
2542  *
2543  * This function selects the MDC/MDIO access (through emac0 or
2544  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2545  * phy has a default access mode, which could also be overridden
2546  * by nvram configuration. This parameter, whether this is the
2547  * default phy configuration, or the nvram overrun
2548  * configuration, is passed here as mdc_mdio_access and selects
2549  * the emac_base for the CL45 read/writes operations
2550  */
2551 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2552 			       u32 mdc_mdio_access, u8 port)
2553 {
2554 	u32 emac_base = 0;
2555 	switch (mdc_mdio_access) {
2556 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2557 		break;
2558 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2559 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2560 			emac_base = GRCBASE_EMAC1;
2561 		else
2562 			emac_base = GRCBASE_EMAC0;
2563 		break;
2564 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2565 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2566 			emac_base = GRCBASE_EMAC0;
2567 		else
2568 			emac_base = GRCBASE_EMAC1;
2569 		break;
2570 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2571 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2572 		break;
2573 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2574 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2575 		break;
2576 	default:
2577 		break;
2578 	}
2579 	return emac_base;
2580 
2581 }
2582 
2583 /******************************************************************/
2584 /*			CL22 access functions			  */
2585 /******************************************************************/
2586 static int bnx2x_cl22_write(struct bnx2x *bp,
2587 				       struct bnx2x_phy *phy,
2588 				       u16 reg, u16 val)
2589 {
2590 	u32 tmp, mode;
2591 	u8 i;
2592 	int rc = 0;
2593 	/* Switch to CL22 */
2594 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2595 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2596 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2597 
2598 	/* Address */
2599 	tmp = ((phy->addr << 21) | (reg << 16) | val |
2600 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2601 	       EMAC_MDIO_COMM_START_BUSY);
2602 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2603 
2604 	for (i = 0; i < 50; i++) {
2605 		udelay(10);
2606 
2607 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2608 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2609 			udelay(5);
2610 			break;
2611 		}
2612 	}
2613 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2614 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2615 		rc = -EFAULT;
2616 	}
2617 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2618 	return rc;
2619 }
2620 
2621 static int bnx2x_cl22_read(struct bnx2x *bp,
2622 				      struct bnx2x_phy *phy,
2623 				      u16 reg, u16 *ret_val)
2624 {
2625 	u32 val, mode;
2626 	u16 i;
2627 	int rc = 0;
2628 
2629 	/* Switch to CL22 */
2630 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2631 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2632 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2633 
2634 	/* Address */
2635 	val = ((phy->addr << 21) | (reg << 16) |
2636 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
2637 	       EMAC_MDIO_COMM_START_BUSY);
2638 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2639 
2640 	for (i = 0; i < 50; i++) {
2641 		udelay(10);
2642 
2643 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2644 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2645 			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2646 			udelay(5);
2647 			break;
2648 		}
2649 	}
2650 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2651 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2652 
2653 		*ret_val = 0;
2654 		rc = -EFAULT;
2655 	}
2656 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2657 	return rc;
2658 }
2659 
2660 /******************************************************************/
2661 /*			CL45 access functions			  */
2662 /******************************************************************/
2663 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2664 			   u8 devad, u16 reg, u16 *ret_val)
2665 {
2666 	u32 val;
2667 	u16 i;
2668 	int rc = 0;
2669 	u32 chip_id;
2670 	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2671 		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2672 			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2673 		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2674 	}
2675 
2676 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2677 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2678 			      EMAC_MDIO_STATUS_10MB);
2679 	/* Address */
2680 	val = ((phy->addr << 21) | (devad << 16) | reg |
2681 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2682 	       EMAC_MDIO_COMM_START_BUSY);
2683 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2684 
2685 	for (i = 0; i < 50; i++) {
2686 		udelay(10);
2687 
2688 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2689 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2690 			udelay(5);
2691 			break;
2692 		}
2693 	}
2694 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2695 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2696 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2697 		*ret_val = 0;
2698 		rc = -EFAULT;
2699 	} else {
2700 		/* Data */
2701 		val = ((phy->addr << 21) | (devad << 16) |
2702 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
2703 		       EMAC_MDIO_COMM_START_BUSY);
2704 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2705 
2706 		for (i = 0; i < 50; i++) {
2707 			udelay(10);
2708 
2709 			val = REG_RD(bp, phy->mdio_ctrl +
2710 				     EMAC_REG_EMAC_MDIO_COMM);
2711 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2712 				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2713 				break;
2714 			}
2715 		}
2716 		if (val & EMAC_MDIO_COMM_START_BUSY) {
2717 			DP(NETIF_MSG_LINK, "read phy register failed\n");
2718 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2719 			*ret_val = 0;
2720 			rc = -EFAULT;
2721 		}
2722 	}
2723 	/* Work around for E3 A0 */
2724 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2725 		phy->flags ^= FLAGS_DUMMY_READ;
2726 		if (phy->flags & FLAGS_DUMMY_READ) {
2727 			u16 temp_val;
2728 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2729 		}
2730 	}
2731 
2732 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2733 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2734 			       EMAC_MDIO_STATUS_10MB);
2735 	return rc;
2736 }
2737 
2738 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2739 			    u8 devad, u16 reg, u16 val)
2740 {
2741 	u32 tmp;
2742 	u8 i;
2743 	int rc = 0;
2744 	u32 chip_id;
2745 	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2746 		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2747 			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2748 		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2749 	}
2750 
2751 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2752 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2753 			      EMAC_MDIO_STATUS_10MB);
2754 
2755 	/* Address */
2756 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
2757 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2758 	       EMAC_MDIO_COMM_START_BUSY);
2759 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2760 
2761 	for (i = 0; i < 50; i++) {
2762 		udelay(10);
2763 
2764 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2765 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2766 			udelay(5);
2767 			break;
2768 		}
2769 	}
2770 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2771 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2772 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2773 		rc = -EFAULT;
2774 	} else {
2775 		/* Data */
2776 		tmp = ((phy->addr << 21) | (devad << 16) | val |
2777 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2778 		       EMAC_MDIO_COMM_START_BUSY);
2779 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2780 
2781 		for (i = 0; i < 50; i++) {
2782 			udelay(10);
2783 
2784 			tmp = REG_RD(bp, phy->mdio_ctrl +
2785 				     EMAC_REG_EMAC_MDIO_COMM);
2786 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2787 				udelay(5);
2788 				break;
2789 			}
2790 		}
2791 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2792 			DP(NETIF_MSG_LINK, "write phy register failed\n");
2793 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2794 			rc = -EFAULT;
2795 		}
2796 	}
2797 	/* Work around for E3 A0 */
2798 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2799 		phy->flags ^= FLAGS_DUMMY_READ;
2800 		if (phy->flags & FLAGS_DUMMY_READ) {
2801 			u16 temp_val;
2802 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2803 		}
2804 	}
2805 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2806 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2807 			       EMAC_MDIO_STATUS_10MB);
2808 	return rc;
2809 }
2810 
2811 /******************************************************************/
2812 /*			EEE section				   */
2813 /******************************************************************/
2814 static u8 bnx2x_eee_has_cap(struct link_params *params)
2815 {
2816 	struct bnx2x *bp = params->bp;
2817 
2818 	if (REG_RD(bp, params->shmem2_base) <=
2819 		   offsetof(struct shmem2_region, eee_status[params->port]))
2820 		return 0;
2821 
2822 	return 1;
2823 }
2824 
2825 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2826 {
2827 	switch (nvram_mode) {
2828 	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2829 		*idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2830 		break;
2831 	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2832 		*idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2833 		break;
2834 	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2835 		*idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2836 		break;
2837 	default:
2838 		*idle_timer = 0;
2839 		break;
2840 	}
2841 
2842 	return 0;
2843 }
2844 
2845 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2846 {
2847 	switch (idle_timer) {
2848 	case EEE_MODE_NVRAM_BALANCED_TIME:
2849 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2850 		break;
2851 	case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2852 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2853 		break;
2854 	case EEE_MODE_NVRAM_LATENCY_TIME:
2855 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2856 		break;
2857 	default:
2858 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2859 		break;
2860 	}
2861 
2862 	return 0;
2863 }
2864 
2865 static u32 bnx2x_eee_calc_timer(struct link_params *params)
2866 {
2867 	u32 eee_mode, eee_idle;
2868 	struct bnx2x *bp = params->bp;
2869 
2870 	if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2871 		if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2872 			/* time value in eee_mode --> used directly*/
2873 			eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2874 		} else {
2875 			/* hsi value in eee_mode --> time */
2876 			if (bnx2x_eee_nvram_to_time(params->eee_mode &
2877 						    EEE_MODE_NVRAM_MASK,
2878 						    &eee_idle))
2879 				return 0;
2880 		}
2881 	} else {
2882 		/* hsi values in nvram --> time*/
2883 		eee_mode = ((REG_RD(bp, params->shmem_base +
2884 				    offsetof(struct shmem_region, dev_info.
2885 				    port_feature_config[params->port].
2886 				    eee_power_mode)) &
2887 			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2888 			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2889 
2890 		if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2891 			return 0;
2892 	}
2893 
2894 	return eee_idle;
2895 }
2896 
2897 static int bnx2x_eee_set_timers(struct link_params *params,
2898 				   struct link_vars *vars)
2899 {
2900 	u32 eee_idle = 0, eee_mode;
2901 	struct bnx2x *bp = params->bp;
2902 
2903 	eee_idle = bnx2x_eee_calc_timer(params);
2904 
2905 	if (eee_idle) {
2906 		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2907 		       eee_idle);
2908 	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2909 		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2910 		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2911 		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2912 		return -EINVAL;
2913 	}
2914 
2915 	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2916 	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2917 		/* eee_idle in 1u --> eee_status in 16u */
2918 		eee_idle >>= 4;
2919 		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2920 				    SHMEM_EEE_TIME_OUTPUT_BIT;
2921 	} else {
2922 		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2923 			return -EINVAL;
2924 		vars->eee_status |= eee_mode;
2925 	}
2926 
2927 	return 0;
2928 }
2929 
2930 static int bnx2x_eee_initial_config(struct link_params *params,
2931 				     struct link_vars *vars, u8 mode)
2932 {
2933 	vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2934 
2935 	/* Propogate params' bits --> vars (for migration exposure) */
2936 	if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2937 		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2938 	else
2939 		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2940 
2941 	if (params->eee_mode & EEE_MODE_ADV_LPI)
2942 		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2943 	else
2944 		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2945 
2946 	return bnx2x_eee_set_timers(params, vars);
2947 }
2948 
2949 static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2950 				struct link_params *params,
2951 				struct link_vars *vars)
2952 {
2953 	struct bnx2x *bp = params->bp;
2954 
2955 	/* Make Certain LPI is disabled */
2956 	REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2957 
2958 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2959 
2960 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2961 
2962 	return 0;
2963 }
2964 
2965 static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2966 				  struct link_params *params,
2967 				  struct link_vars *vars, u8 modes)
2968 {
2969 	struct bnx2x *bp = params->bp;
2970 	u16 val = 0;
2971 
2972 	/* Mask events preventing LPI generation */
2973 	REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2974 
2975 	if (modes & SHMEM_EEE_10G_ADV) {
2976 		DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2977 		val |= 0x8;
2978 	}
2979 	if (modes & SHMEM_EEE_1G_ADV) {
2980 		DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2981 		val |= 0x4;
2982 	}
2983 
2984 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2985 
2986 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2987 	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
2988 
2989 	return 0;
2990 }
2991 
2992 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2993 {
2994 	struct bnx2x *bp = params->bp;
2995 
2996 	if (bnx2x_eee_has_cap(params))
2997 		REG_WR(bp, params->shmem2_base +
2998 		       offsetof(struct shmem2_region,
2999 				eee_status[params->port]), eee_status);
3000 }
3001 
3002 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3003 				  struct link_params *params,
3004 				  struct link_vars *vars)
3005 {
3006 	struct bnx2x *bp = params->bp;
3007 	u16 adv = 0, lp = 0;
3008 	u32 lp_adv = 0;
3009 	u8 neg = 0;
3010 
3011 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3012 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3013 
3014 	if (lp & 0x2) {
3015 		lp_adv |= SHMEM_EEE_100M_ADV;
3016 		if (adv & 0x2) {
3017 			if (vars->line_speed == SPEED_100)
3018 				neg = 1;
3019 			DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3020 		}
3021 	}
3022 	if (lp & 0x14) {
3023 		lp_adv |= SHMEM_EEE_1G_ADV;
3024 		if (adv & 0x14) {
3025 			if (vars->line_speed == SPEED_1000)
3026 				neg = 1;
3027 			DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3028 		}
3029 	}
3030 	if (lp & 0x68) {
3031 		lp_adv |= SHMEM_EEE_10G_ADV;
3032 		if (adv & 0x68) {
3033 			if (vars->line_speed == SPEED_10000)
3034 				neg = 1;
3035 			DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3036 		}
3037 	}
3038 
3039 	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3040 	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3041 
3042 	if (neg) {
3043 		DP(NETIF_MSG_LINK, "EEE is active\n");
3044 		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3045 	}
3046 
3047 }
3048 
3049 /******************************************************************/
3050 /*			BSC access functions from E3	          */
3051 /******************************************************************/
3052 static void bnx2x_bsc_module_sel(struct link_params *params)
3053 {
3054 	int idx;
3055 	u32 board_cfg, sfp_ctrl;
3056 	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3057 	struct bnx2x *bp = params->bp;
3058 	u8 port = params->port;
3059 	/* Read I2C output PINs */
3060 	board_cfg = REG_RD(bp, params->shmem_base +
3061 			   offsetof(struct shmem_region,
3062 				    dev_info.shared_hw_config.board));
3063 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3064 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3065 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3066 
3067 	/* Read I2C output value */
3068 	sfp_ctrl = REG_RD(bp, params->shmem_base +
3069 			  offsetof(struct shmem_region,
3070 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3071 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3072 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3073 	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3074 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3075 		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3076 }
3077 
3078 static int bnx2x_bsc_read(struct link_params *params,
3079 			  struct bnx2x *bp,
3080 			  u8 sl_devid,
3081 			  u16 sl_addr,
3082 			  u8 lc_addr,
3083 			  u8 xfer_cnt,
3084 			  u32 *data_array)
3085 {
3086 	u32 val, i;
3087 	int rc = 0;
3088 
3089 	if (xfer_cnt > 16) {
3090 		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3091 					xfer_cnt);
3092 		return -EINVAL;
3093 	}
3094 	bnx2x_bsc_module_sel(params);
3095 
3096 	xfer_cnt = 16 - lc_addr;
3097 
3098 	/* Enable the engine */
3099 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3100 	val |= MCPR_IMC_COMMAND_ENABLE;
3101 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3102 
3103 	/* Program slave device ID */
3104 	val = (sl_devid << 16) | sl_addr;
3105 	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3106 
3107 	/* Start xfer with 0 byte to update the address pointer ???*/
3108 	val = (MCPR_IMC_COMMAND_ENABLE) |
3109 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3110 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3111 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3112 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3113 
3114 	/* Poll for completion */
3115 	i = 0;
3116 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3117 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3118 		udelay(10);
3119 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3120 		if (i++ > 1000) {
3121 			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3122 								i);
3123 			rc = -EFAULT;
3124 			break;
3125 		}
3126 	}
3127 	if (rc == -EFAULT)
3128 		return rc;
3129 
3130 	/* Start xfer with read op */
3131 	val = (MCPR_IMC_COMMAND_ENABLE) |
3132 		(MCPR_IMC_COMMAND_READ_OP <<
3133 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3134 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3135 		  (xfer_cnt);
3136 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3137 
3138 	/* Poll for completion */
3139 	i = 0;
3140 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3141 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3142 		udelay(10);
3143 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3144 		if (i++ > 1000) {
3145 			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3146 			rc = -EFAULT;
3147 			break;
3148 		}
3149 	}
3150 	if (rc == -EFAULT)
3151 		return rc;
3152 
3153 	for (i = (lc_addr >> 2); i < 4; i++) {
3154 		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3155 #ifdef __BIG_ENDIAN
3156 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3157 				((data_array[i] & 0x0000ff00) << 8) |
3158 				((data_array[i] & 0x00ff0000) >> 8) |
3159 				((data_array[i] & 0xff000000) >> 24);
3160 #endif
3161 	}
3162 	return rc;
3163 }
3164 
3165 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3166 				     u8 devad, u16 reg, u16 or_val)
3167 {
3168 	u16 val;
3169 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3170 	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3171 }
3172 
3173 static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3174 				      struct bnx2x_phy *phy,
3175 				      u8 devad, u16 reg, u16 and_val)
3176 {
3177 	u16 val;
3178 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3179 	bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3180 }
3181 
3182 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3183 		   u8 devad, u16 reg, u16 *ret_val)
3184 {
3185 	u8 phy_index;
3186 	/* Probe for the phy according to the given phy_addr, and execute
3187 	 * the read request on it
3188 	 */
3189 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3190 		if (params->phy[phy_index].addr == phy_addr) {
3191 			return bnx2x_cl45_read(params->bp,
3192 					       &params->phy[phy_index], devad,
3193 					       reg, ret_val);
3194 		}
3195 	}
3196 	return -EINVAL;
3197 }
3198 
3199 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3200 		    u8 devad, u16 reg, u16 val)
3201 {
3202 	u8 phy_index;
3203 	/* Probe for the phy according to the given phy_addr, and execute
3204 	 * the write request on it
3205 	 */
3206 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3207 		if (params->phy[phy_index].addr == phy_addr) {
3208 			return bnx2x_cl45_write(params->bp,
3209 						&params->phy[phy_index], devad,
3210 						reg, val);
3211 		}
3212 	}
3213 	return -EINVAL;
3214 }
3215 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3216 				  struct link_params *params)
3217 {
3218 	u8 lane = 0;
3219 	struct bnx2x *bp = params->bp;
3220 	u32 path_swap, path_swap_ovr;
3221 	u8 path, port;
3222 
3223 	path = BP_PATH(bp);
3224 	port = params->port;
3225 
3226 	if (bnx2x_is_4_port_mode(bp)) {
3227 		u32 port_swap, port_swap_ovr;
3228 
3229 		/* Figure out path swap value */
3230 		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3231 		if (path_swap_ovr & 0x1)
3232 			path_swap = (path_swap_ovr & 0x2);
3233 		else
3234 			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3235 
3236 		if (path_swap)
3237 			path = path ^ 1;
3238 
3239 		/* Figure out port swap value */
3240 		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3241 		if (port_swap_ovr & 0x1)
3242 			port_swap = (port_swap_ovr & 0x2);
3243 		else
3244 			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3245 
3246 		if (port_swap)
3247 			port = port ^ 1;
3248 
3249 		lane = (port<<1) + path;
3250 	} else { /* Two port mode - no port swap */
3251 
3252 		/* Figure out path swap value */
3253 		path_swap_ovr =
3254 			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3255 		if (path_swap_ovr & 0x1) {
3256 			path_swap = (path_swap_ovr & 0x2);
3257 		} else {
3258 			path_swap =
3259 				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3260 		}
3261 		if (path_swap)
3262 			path = path ^ 1;
3263 
3264 		lane = path << 1 ;
3265 	}
3266 	return lane;
3267 }
3268 
3269 static void bnx2x_set_aer_mmd(struct link_params *params,
3270 			      struct bnx2x_phy *phy)
3271 {
3272 	u32 ser_lane;
3273 	u16 offset, aer_val;
3274 	struct bnx2x *bp = params->bp;
3275 	ser_lane = ((params->lane_config &
3276 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3277 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3278 
3279 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3280 		(phy->addr + ser_lane) : 0;
3281 
3282 	if (USES_WARPCORE(bp)) {
3283 		aer_val = bnx2x_get_warpcore_lane(phy, params);
3284 		/* In Dual-lane mode, two lanes are joined together,
3285 		 * so in order to configure them, the AER broadcast method is
3286 		 * used here.
3287 		 * 0x200 is the broadcast address for lanes 0,1
3288 		 * 0x201 is the broadcast address for lanes 2,3
3289 		 */
3290 		if (phy->flags & FLAGS_WC_DUAL_MODE)
3291 			aer_val = (aer_val >> 1) | 0x200;
3292 	} else if (CHIP_IS_E2(bp))
3293 		aer_val = 0x3800 + offset - 1;
3294 	else
3295 		aer_val = 0x3800 + offset;
3296 
3297 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3298 			  MDIO_AER_BLOCK_AER_REG, aer_val);
3299 
3300 }
3301 
3302 /******************************************************************/
3303 /*			Internal phy section			  */
3304 /******************************************************************/
3305 
3306 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3307 {
3308 	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3309 
3310 	/* Set Clause 22 */
3311 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3312 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3313 	udelay(500);
3314 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3315 	udelay(500);
3316 	 /* Set Clause 45 */
3317 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3318 }
3319 
3320 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3321 {
3322 	u32 val;
3323 
3324 	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3325 
3326 	val = SERDES_RESET_BITS << (port*16);
3327 
3328 	/* Reset and unreset the SerDes/XGXS */
3329 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3330 	udelay(500);
3331 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3332 
3333 	bnx2x_set_serdes_access(bp, port);
3334 
3335 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3336 	       DEFAULT_PHY_DEV_ADDR);
3337 }
3338 
3339 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3340 				     struct link_params *params,
3341 				     u32 action)
3342 {
3343 	struct bnx2x *bp = params->bp;
3344 	switch (action) {
3345 	case PHY_INIT:
3346 		/* Set correct devad */
3347 		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3348 		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3349 		       phy->def_md_devad);
3350 		break;
3351 	}
3352 }
3353 
3354 static void bnx2x_xgxs_deassert(struct link_params *params)
3355 {
3356 	struct bnx2x *bp = params->bp;
3357 	u8 port;
3358 	u32 val;
3359 	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3360 	port = params->port;
3361 
3362 	val = XGXS_RESET_BITS << (port*16);
3363 
3364 	/* Reset and unreset the SerDes/XGXS */
3365 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3366 	udelay(500);
3367 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3368 	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3369 				 PHY_INIT);
3370 }
3371 
3372 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3373 				     struct link_params *params, u16 *ieee_fc)
3374 {
3375 	struct bnx2x *bp = params->bp;
3376 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3377 	/* Resolve pause mode and advertisement Please refer to Table
3378 	 * 28B-3 of the 802.3ab-1999 spec
3379 	 */
3380 
3381 	switch (phy->req_flow_ctrl) {
3382 	case BNX2X_FLOW_CTRL_AUTO:
3383 		switch (params->req_fc_auto_adv) {
3384 		case BNX2X_FLOW_CTRL_BOTH:
3385 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3386 			break;
3387 		case BNX2X_FLOW_CTRL_RX:
3388 		case BNX2X_FLOW_CTRL_TX:
3389 			*ieee_fc |=
3390 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3391 			break;
3392 		default:
3393 			break;
3394 		}
3395 		break;
3396 	case BNX2X_FLOW_CTRL_TX:
3397 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3398 		break;
3399 
3400 	case BNX2X_FLOW_CTRL_RX:
3401 	case BNX2X_FLOW_CTRL_BOTH:
3402 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3403 		break;
3404 
3405 	case BNX2X_FLOW_CTRL_NONE:
3406 	default:
3407 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3408 		break;
3409 	}
3410 	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3411 }
3412 
3413 static void set_phy_vars(struct link_params *params,
3414 			 struct link_vars *vars)
3415 {
3416 	struct bnx2x *bp = params->bp;
3417 	u8 actual_phy_idx, phy_index, link_cfg_idx;
3418 	u8 phy_config_swapped = params->multi_phy_config &
3419 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3420 	for (phy_index = INT_PHY; phy_index < params->num_phys;
3421 	      phy_index++) {
3422 		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3423 		actual_phy_idx = phy_index;
3424 		if (phy_config_swapped) {
3425 			if (phy_index == EXT_PHY1)
3426 				actual_phy_idx = EXT_PHY2;
3427 			else if (phy_index == EXT_PHY2)
3428 				actual_phy_idx = EXT_PHY1;
3429 		}
3430 		params->phy[actual_phy_idx].req_flow_ctrl =
3431 			params->req_flow_ctrl[link_cfg_idx];
3432 
3433 		params->phy[actual_phy_idx].req_line_speed =
3434 			params->req_line_speed[link_cfg_idx];
3435 
3436 		params->phy[actual_phy_idx].speed_cap_mask =
3437 			params->speed_cap_mask[link_cfg_idx];
3438 
3439 		params->phy[actual_phy_idx].req_duplex =
3440 			params->req_duplex[link_cfg_idx];
3441 
3442 		if (params->req_line_speed[link_cfg_idx] ==
3443 		    SPEED_AUTO_NEG)
3444 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3445 
3446 		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3447 			   " speed_cap_mask %x\n",
3448 			   params->phy[actual_phy_idx].req_flow_ctrl,
3449 			   params->phy[actual_phy_idx].req_line_speed,
3450 			   params->phy[actual_phy_idx].speed_cap_mask);
3451 	}
3452 }
3453 
3454 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3455 				    struct bnx2x_phy *phy,
3456 				    struct link_vars *vars)
3457 {
3458 	u16 val;
3459 	struct bnx2x *bp = params->bp;
3460 	/* Read modify write pause advertizing */
3461 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3462 
3463 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3464 
3465 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3466 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3467 	if ((vars->ieee_fc &
3468 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3469 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3470 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3471 	}
3472 	if ((vars->ieee_fc &
3473 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3474 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3475 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3476 	}
3477 	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3478 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3479 }
3480 
3481 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3482 {						/*  LD	    LP	 */
3483 	switch (pause_result) {			/* ASYM P ASYM P */
3484 	case 0xb:				/*   1  0   1  1 */
3485 		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3486 		break;
3487 
3488 	case 0xe:				/*   1  1   1  0 */
3489 		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3490 		break;
3491 
3492 	case 0x5:				/*   0  1   0  1 */
3493 	case 0x7:				/*   0  1   1  1 */
3494 	case 0xd:				/*   1  1   0  1 */
3495 	case 0xf:				/*   1  1   1  1 */
3496 		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3497 		break;
3498 
3499 	default:
3500 		break;
3501 	}
3502 	if (pause_result & (1<<0))
3503 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3504 	if (pause_result & (1<<1))
3505 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3506 
3507 }
3508 
3509 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3510 					struct link_params *params,
3511 					struct link_vars *vars)
3512 {
3513 	u16 ld_pause;		/* local */
3514 	u16 lp_pause;		/* link partner */
3515 	u16 pause_result;
3516 	struct bnx2x *bp = params->bp;
3517 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3518 		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3519 		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3520 	} else if (CHIP_IS_E3(bp) &&
3521 		SINGLE_MEDIA_DIRECT(params)) {
3522 		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3523 		u16 gp_status, gp_mask;
3524 		bnx2x_cl45_read(bp, phy,
3525 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3526 				&gp_status);
3527 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3528 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3529 			lane;
3530 		if ((gp_status & gp_mask) == gp_mask) {
3531 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3532 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3533 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3534 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3535 		} else {
3536 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3537 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3538 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3539 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3540 			ld_pause = ((ld_pause &
3541 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3542 				    << 3);
3543 			lp_pause = ((lp_pause &
3544 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3545 				    << 3);
3546 		}
3547 	} else {
3548 		bnx2x_cl45_read(bp, phy,
3549 				MDIO_AN_DEVAD,
3550 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3551 		bnx2x_cl45_read(bp, phy,
3552 				MDIO_AN_DEVAD,
3553 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3554 	}
3555 	pause_result = (ld_pause &
3556 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3557 	pause_result |= (lp_pause &
3558 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3559 	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3560 	bnx2x_pause_resolve(vars, pause_result);
3561 
3562 }
3563 
3564 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3565 				   struct link_params *params,
3566 				   struct link_vars *vars)
3567 {
3568 	u8 ret = 0;
3569 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3570 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3571 		/* Update the advertised flow-controled of LD/LP in AN */
3572 		if (phy->req_line_speed == SPEED_AUTO_NEG)
3573 			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3574 		/* But set the flow-control result as the requested one */
3575 		vars->flow_ctrl = phy->req_flow_ctrl;
3576 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3577 		vars->flow_ctrl = params->req_fc_auto_adv;
3578 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3579 		ret = 1;
3580 		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3581 	}
3582 	return ret;
3583 }
3584 /******************************************************************/
3585 /*			Warpcore section			  */
3586 /******************************************************************/
3587 /* The init_internal_warpcore should mirror the xgxs,
3588  * i.e. reset the lane (if needed), set aer for the
3589  * init configuration, and set/clear SGMII flag. Internal
3590  * phy init is done purely in phy_init stage.
3591  */
3592 #define WC_TX_DRIVER(post2, idriver, ipre) \
3593 	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3594 	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3595 	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
3596 
3597 #define WC_TX_FIR(post, main, pre) \
3598 	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3599 	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3600 	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3601 
3602 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3603 					 struct link_params *params,
3604 					 struct link_vars *vars)
3605 {
3606 	struct bnx2x *bp = params->bp;
3607 	u16 i;
3608 	static struct bnx2x_reg_set reg_set[] = {
3609 		/* Step 1 - Program the TX/RX alignment markers */
3610 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3611 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3612 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3613 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3614 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3615 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3616 		/* Step 2 - Configure the NP registers */
3617 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3618 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3619 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3620 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3621 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3622 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3623 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3624 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3625 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3626 	};
3627 	DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3628 
3629 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3630 				 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3631 
3632 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3633 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3634 				 reg_set[i].val);
3635 
3636 	/* Start KR2 work-around timer which handles BCM8073 link-parner */
3637 	vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3638 	bnx2x_update_link_attr(params, vars->link_attr_sync);
3639 }
3640 
3641 static void bnx2x_disable_kr2(struct link_params *params,
3642 			      struct link_vars *vars,
3643 			      struct bnx2x_phy *phy)
3644 {
3645 	struct bnx2x *bp = params->bp;
3646 	int i;
3647 	static struct bnx2x_reg_set reg_set[] = {
3648 		/* Step 1 - Program the TX/RX alignment markers */
3649 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3650 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3651 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3652 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3653 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3654 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3655 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3656 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3657 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3658 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3659 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3660 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3661 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3662 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3663 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3664 	};
3665 	DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3666 
3667 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3668 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3669 				 reg_set[i].val);
3670 	vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3671 	bnx2x_update_link_attr(params, vars->link_attr_sync);
3672 
3673 	vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3674 }
3675 
3676 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3677 					       struct link_params *params)
3678 {
3679 	struct bnx2x *bp = params->bp;
3680 
3681 	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3682 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3683 			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3684 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3685 				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3686 }
3687 
3688 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3689 					 struct link_params *params)
3690 {
3691 	/* Restart autoneg on the leading lane only */
3692 	struct bnx2x *bp = params->bp;
3693 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
3694 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3695 			  MDIO_AER_BLOCK_AER_REG, lane);
3696 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3697 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3698 
3699 	/* Restore AER */
3700 	bnx2x_set_aer_mmd(params, phy);
3701 }
3702 
3703 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3704 					struct link_params *params,
3705 					struct link_vars *vars) {
3706 	u16 lane, i, cl72_ctrl, an_adv = 0;
3707 	struct bnx2x *bp = params->bp;
3708 	static struct bnx2x_reg_set reg_set[] = {
3709 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3710 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3711 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3712 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3713 		/* Disable Autoneg: re-enable it after adv is done. */
3714 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3715 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3716 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3717 	};
3718 	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3719 	/* Set to default registers that may be overriden by 10G force */
3720 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3721 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3722 				 reg_set[i].val);
3723 
3724 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3725 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3726 	cl72_ctrl &= 0x08ff;
3727 	cl72_ctrl |= 0x3800;
3728 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3729 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3730 
3731 	/* Check adding advertisement for 1G KX */
3732 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3733 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3734 	    (vars->line_speed == SPEED_1000)) {
3735 		u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3736 		an_adv |= (1<<5);
3737 
3738 		/* Enable CL37 1G Parallel Detect */
3739 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3740 		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3741 	}
3742 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3743 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3744 	    (vars->line_speed ==  SPEED_10000)) {
3745 		/* Check adding advertisement for 10G KR */
3746 		an_adv |= (1<<7);
3747 		/* Enable 10G Parallel Detect */
3748 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3749 				  MDIO_AER_BLOCK_AER_REG, 0);
3750 
3751 		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3752 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3753 		bnx2x_set_aer_mmd(params, phy);
3754 		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3755 	}
3756 
3757 	/* Set Transmit PMD settings */
3758 	lane = bnx2x_get_warpcore_lane(phy, params);
3759 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3760 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3761 			 WC_TX_DRIVER(0x02, 0x06, 0x09));
3762 	/* Configure the next lane if dual mode */
3763 	if (phy->flags & FLAGS_WC_DUAL_MODE)
3764 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3765 				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3766 				 WC_TX_DRIVER(0x02, 0x06, 0x09));
3767 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3768 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3769 			 0x03f0);
3770 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3771 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3772 			 0x03f0);
3773 
3774 	/* Advertised speeds */
3775 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3776 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3777 
3778 	/* Advertised and set FEC (Forward Error Correction) */
3779 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3780 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3781 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3782 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3783 
3784 	/* Enable CL37 BAM */
3785 	if (REG_RD(bp, params->shmem_base +
3786 		   offsetof(struct shmem_region, dev_info.
3787 			    port_hw_config[params->port].default_cfg)) &
3788 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3789 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3790 					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3791 					 1);
3792 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3793 	}
3794 
3795 	/* Advertise pause */
3796 	bnx2x_ext_phy_set_pause(params, phy, vars);
3797 	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3798 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3799 				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3800 
3801 	/* Over 1G - AN local device user page 1 */
3802 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3803 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3804 
3805 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3806 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3807 	    (phy->req_line_speed == SPEED_20000)) {
3808 
3809 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3810 				  MDIO_AER_BLOCK_AER_REG, lane);
3811 
3812 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3813 					 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3814 					 (1<<11));
3815 
3816 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3817 				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3818 		bnx2x_set_aer_mmd(params, phy);
3819 
3820 		bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3821 	} else {
3822 		/* Enable Auto-Detect to support 1G over CL37 as well */
3823 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3824 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3825 
3826 		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
3827 		 * parallel-detect loop when CL73 and CL37 are enabled.
3828 		 */
3829 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3830 				  MDIO_AER_BLOCK_AER_REG, 0);
3831 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3832 				 MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800);
3833 		bnx2x_set_aer_mmd(params, phy);
3834 
3835 		bnx2x_disable_kr2(params, vars, phy);
3836 	}
3837 
3838 	/* Enable Autoneg: only on the main lane */
3839 	bnx2x_warpcore_restart_AN_KR(phy, params);
3840 }
3841 
3842 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3843 				      struct link_params *params,
3844 				      struct link_vars *vars)
3845 {
3846 	struct bnx2x *bp = params->bp;
3847 	u16 val16, i, lane;
3848 	static struct bnx2x_reg_set reg_set[] = {
3849 		/* Disable Autoneg */
3850 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3851 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3852 			0x3f00},
3853 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3854 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3855 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3856 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3857 		/* Leave cl72 training enable, needed for KR */
3858 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3859 	};
3860 
3861 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3862 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3863 				 reg_set[i].val);
3864 
3865 	lane = bnx2x_get_warpcore_lane(phy, params);
3866 	/* Global registers */
3867 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3868 			  MDIO_AER_BLOCK_AER_REG, 0);
3869 	/* Disable CL36 PCS Tx */
3870 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3871 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3872 	val16 &= ~(0x0011 << lane);
3873 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3874 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3875 
3876 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3877 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3878 	val16 |= (0x0303 << (lane << 1));
3879 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3880 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3881 	/* Restore AER */
3882 	bnx2x_set_aer_mmd(params, phy);
3883 	/* Set speed via PMA/PMD register */
3884 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3885 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3886 
3887 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3888 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3889 
3890 	/* Enable encoded forced speed */
3891 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3892 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3893 
3894 	/* Turn TX scramble payload only the 64/66 scrambler */
3895 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3896 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3897 
3898 	/* Turn RX scramble payload only the 64/66 scrambler */
3899 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3900 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3901 
3902 	/* Set and clear loopback to cause a reset to 64/66 decoder */
3903 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3904 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3905 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3906 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3907 
3908 }
3909 
3910 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3911 				       struct link_params *params,
3912 				       u8 is_xfi)
3913 {
3914 	struct bnx2x *bp = params->bp;
3915 	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3916 	u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3917 
3918 	/* Hold rxSeqStart */
3919 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3920 				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3921 
3922 	/* Hold tx_fifo_reset */
3923 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3924 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3925 
3926 	/* Disable CL73 AN */
3927 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3928 
3929 	/* Disable 100FX Enable and Auto-Detect */
3930 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3931 				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3932 
3933 	/* Disable 100FX Idle detect */
3934 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3935 				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3936 
3937 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3938 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3939 				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3940 
3941 	/* Turn off auto-detect & fiber mode */
3942 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3943 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3944 				  0xFFEE);
3945 
3946 	/* Set filter_force_link, disable_false_link and parallel_detect */
3947 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3948 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3949 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3950 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3951 			 ((val | 0x0006) & 0xFFFE));
3952 
3953 	/* Set XFI / SFI */
3954 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3955 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3956 
3957 	misc1_val &= ~(0x1f);
3958 
3959 	if (is_xfi) {
3960 		misc1_val |= 0x5;
3961 		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
3962 		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
3963 	} else {
3964 		cfg_tap_val = REG_RD(bp, params->shmem_base +
3965 				     offsetof(struct shmem_region, dev_info.
3966 					      port_hw_config[params->port].
3967 					      sfi_tap_values));
3968 
3969 		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
3970 
3971 		tx_drv_brdct = (cfg_tap_val &
3972 				PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
3973 			       PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
3974 
3975 		misc1_val |= 0x9;
3976 
3977 		/* TAP values are controlled by nvram, if value there isn't 0 */
3978 		if (tx_equal)
3979 			tap_val = (u16)tx_equal;
3980 		else
3981 			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
3982 
3983 		if (tx_drv_brdct)
3984 			tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
3985 						     0x06);
3986 		else
3987 			tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
3988 	}
3989 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3990 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3991 
3992 	/* Set Transmit PMD settings */
3993 	lane = bnx2x_get_warpcore_lane(phy, params);
3994 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3995 			 MDIO_WC_REG_TX_FIR_TAP,
3996 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3997 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3998 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3999 			 tx_driver_val);
4000 
4001 	/* Enable fiber mode, enable and invert sig_det */
4002 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4003 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4004 
4005 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4006 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4007 				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4008 
4009 	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4010 
4011 	/* 10G XFI Full Duplex */
4012 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4013 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4014 
4015 	/* Release tx_fifo_reset */
4016 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4017 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4018 				  0xFFFE);
4019 	/* Release rxSeqStart */
4020 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4021 				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4022 }
4023 
4024 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4025 					     struct link_params *params)
4026 {
4027 	u16 val;
4028 	struct bnx2x *bp = params->bp;
4029 	/* Set global registers, so set AER lane to 0 */
4030 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4031 			  MDIO_AER_BLOCK_AER_REG, 0);
4032 
4033 	/* Disable sequencer */
4034 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4035 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4036 
4037 	bnx2x_set_aer_mmd(params, phy);
4038 
4039 	bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4040 				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4041 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4042 			 MDIO_AN_REG_CTRL, 0);
4043 	/* Turn off CL73 */
4044 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4045 			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4046 	val &= ~(1<<5);
4047 	val |= (1<<6);
4048 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4049 			 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4050 
4051 	/* Set 20G KR2 force speed */
4052 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4053 				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4054 
4055 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4056 				 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4057 
4058 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4059 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4060 	val &= ~(3<<14);
4061 	val |= (1<<15);
4062 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4063 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4064 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4065 			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4066 
4067 	/* Enable sequencer (over lane 0) */
4068 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4069 			  MDIO_AER_BLOCK_AER_REG, 0);
4070 
4071 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4072 				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4073 
4074 	bnx2x_set_aer_mmd(params, phy);
4075 }
4076 
4077 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4078 					 struct bnx2x_phy *phy,
4079 					 u16 lane)
4080 {
4081 	/* Rx0 anaRxControl1G */
4082 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4083 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4084 
4085 	/* Rx2 anaRxControl1G */
4086 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4087 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4088 
4089 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4090 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4091 
4092 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4093 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4094 
4095 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4096 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4097 
4098 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4099 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4100 
4101 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4102 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4103 
4104 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4105 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4106 
4107 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4108 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4109 
4110 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4111 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4112 
4113 	/* Serdes Digital Misc1 */
4114 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4115 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4116 
4117 	/* Serdes Digital4 Misc3 */
4118 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4119 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4120 
4121 	/* Set Transmit PMD settings */
4122 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4123 			 MDIO_WC_REG_TX_FIR_TAP,
4124 			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4125 			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4126 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4127 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4128 			 WC_TX_DRIVER(0x02, 0x02, 0x02));
4129 }
4130 
4131 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4132 					   struct link_params *params,
4133 					   u8 fiber_mode,
4134 					   u8 always_autoneg)
4135 {
4136 	struct bnx2x *bp = params->bp;
4137 	u16 val16, digctrl_kx1, digctrl_kx2;
4138 
4139 	/* Clear XFI clock comp in non-10G single lane mode. */
4140 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4141 				  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4142 
4143 	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4144 
4145 	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4146 		/* SGMII Autoneg */
4147 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4148 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4149 					 0x1000);
4150 		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4151 	} else {
4152 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4153 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4154 		val16 &= 0xcebf;
4155 		switch (phy->req_line_speed) {
4156 		case SPEED_10:
4157 			break;
4158 		case SPEED_100:
4159 			val16 |= 0x2000;
4160 			break;
4161 		case SPEED_1000:
4162 			val16 |= 0x0040;
4163 			break;
4164 		default:
4165 			DP(NETIF_MSG_LINK,
4166 			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4167 			return;
4168 		}
4169 
4170 		if (phy->req_duplex == DUPLEX_FULL)
4171 			val16 |= 0x0100;
4172 
4173 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4174 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4175 
4176 		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4177 			       phy->req_line_speed);
4178 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4179 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4180 		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4181 	}
4182 
4183 	/* SGMII Slave mode and disable signal detect */
4184 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4185 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4186 	if (fiber_mode)
4187 		digctrl_kx1 = 1;
4188 	else
4189 		digctrl_kx1 &= 0xff4a;
4190 
4191 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4192 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4193 			digctrl_kx1);
4194 
4195 	/* Turn off parallel detect */
4196 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4197 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4198 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4199 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4200 			(digctrl_kx2 & ~(1<<2)));
4201 
4202 	/* Re-enable parallel detect */
4203 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4204 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4205 			(digctrl_kx2 | (1<<2)));
4206 
4207 	/* Enable autodet */
4208 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4209 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4210 			(digctrl_kx1 | 0x10));
4211 }
4212 
4213 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4214 				      struct bnx2x_phy *phy,
4215 				      u8 reset)
4216 {
4217 	u16 val;
4218 	/* Take lane out of reset after configuration is finished */
4219 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4220 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4221 	if (reset)
4222 		val |= 0xC000;
4223 	else
4224 		val &= 0x3FFF;
4225 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4226 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4227 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4228 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4229 }
4230 /* Clear SFI/XFI link settings registers */
4231 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4232 				      struct link_params *params,
4233 				      u16 lane)
4234 {
4235 	struct bnx2x *bp = params->bp;
4236 	u16 i;
4237 	static struct bnx2x_reg_set wc_regs[] = {
4238 		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4239 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4240 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4241 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4242 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4243 			0x0195},
4244 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4245 			0x0007},
4246 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4247 			0x0002},
4248 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4249 		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4250 		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4251 		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4252 	};
4253 	/* Set XFI clock comp as default. */
4254 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4255 				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4256 
4257 	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4258 		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4259 				 wc_regs[i].val);
4260 
4261 	lane = bnx2x_get_warpcore_lane(phy, params);
4262 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4263 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4264 
4265 }
4266 
4267 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4268 						u32 chip_id,
4269 						u32 shmem_base, u8 port,
4270 						u8 *gpio_num, u8 *gpio_port)
4271 {
4272 	u32 cfg_pin;
4273 	*gpio_num = 0;
4274 	*gpio_port = 0;
4275 	if (CHIP_IS_E3(bp)) {
4276 		cfg_pin = (REG_RD(bp, shmem_base +
4277 				offsetof(struct shmem_region,
4278 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4279 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4280 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4281 
4282 		/* Should not happen. This function called upon interrupt
4283 		 * triggered by GPIO ( since EPIO can only generate interrupts
4284 		 * to MCP).
4285 		 * So if this function was called and none of the GPIOs was set,
4286 		 * it means the shit hit the fan.
4287 		 */
4288 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4289 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4290 			DP(NETIF_MSG_LINK,
4291 			   "No cfg pin %x for module detect indication\n",
4292 			   cfg_pin);
4293 			return -EINVAL;
4294 		}
4295 
4296 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4297 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4298 	} else {
4299 		*gpio_num = MISC_REGISTERS_GPIO_3;
4300 		*gpio_port = port;
4301 	}
4302 
4303 	return 0;
4304 }
4305 
4306 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4307 				       struct link_params *params)
4308 {
4309 	struct bnx2x *bp = params->bp;
4310 	u8 gpio_num, gpio_port;
4311 	u32 gpio_val;
4312 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4313 				      params->shmem_base, params->port,
4314 				      &gpio_num, &gpio_port) != 0)
4315 		return 0;
4316 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4317 
4318 	/* Call the handling function in case module is detected */
4319 	if (gpio_val == 0)
4320 		return 1;
4321 	else
4322 		return 0;
4323 }
4324 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4325 				     struct link_params *params)
4326 {
4327 	u16 gp2_status_reg0, lane;
4328 	struct bnx2x *bp = params->bp;
4329 
4330 	lane = bnx2x_get_warpcore_lane(phy, params);
4331 
4332 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4333 				 &gp2_status_reg0);
4334 
4335 	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4336 }
4337 
4338 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4339 					  struct link_params *params,
4340 					  struct link_vars *vars)
4341 {
4342 	struct bnx2x *bp = params->bp;
4343 	u32 serdes_net_if;
4344 	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4345 
4346 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4347 
4348 	if (!vars->turn_to_run_wc_rt)
4349 		return;
4350 
4351 	if (vars->rx_tx_asic_rst) {
4352 		u16 lane = bnx2x_get_warpcore_lane(phy, params);
4353 		serdes_net_if = (REG_RD(bp, params->shmem_base +
4354 				offsetof(struct shmem_region, dev_info.
4355 				port_hw_config[params->port].default_cfg)) &
4356 				PORT_HW_CFG_NET_SERDES_IF_MASK);
4357 
4358 		switch (serdes_net_if) {
4359 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4360 			/* Do we get link yet? */
4361 			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4362 					&gp_status1);
4363 			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4364 				/*10G KR*/
4365 			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4366 
4367 			if (lnkup_kr || lnkup) {
4368 				vars->rx_tx_asic_rst = 0;
4369 			} else {
4370 				/* Reset the lane to see if link comes up.*/
4371 				bnx2x_warpcore_reset_lane(bp, phy, 1);
4372 				bnx2x_warpcore_reset_lane(bp, phy, 0);
4373 
4374 				/* Restart Autoneg */
4375 				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4376 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4377 
4378 				vars->rx_tx_asic_rst--;
4379 				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4380 				vars->rx_tx_asic_rst);
4381 			}
4382 			break;
4383 
4384 		default:
4385 			break;
4386 		}
4387 
4388 	} /*params->rx_tx_asic_rst*/
4389 
4390 }
4391 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4392 				      struct link_params *params)
4393 {
4394 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4395 	struct bnx2x *bp = params->bp;
4396 	bnx2x_warpcore_clear_regs(phy, params, lane);
4397 	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4398 	     SPEED_10000) &&
4399 	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4400 		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4401 		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4402 	} else {
4403 		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4404 		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4405 	}
4406 }
4407 
4408 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4409 					 struct bnx2x_phy *phy,
4410 					 u8 tx_en)
4411 {
4412 	struct bnx2x *bp = params->bp;
4413 	u32 cfg_pin;
4414 	u8 port = params->port;
4415 
4416 	cfg_pin = REG_RD(bp, params->shmem_base +
4417 			 offsetof(struct shmem_region,
4418 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4419 		PORT_HW_CFG_E3_TX_LASER_MASK;
4420 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4421 	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4422 
4423 	/* For 20G, the expected pin to be used is 3 pins after the current */
4424 	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4425 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4426 		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4427 }
4428 
4429 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4430 				       struct link_params *params,
4431 				       struct link_vars *vars)
4432 {
4433 	struct bnx2x *bp = params->bp;
4434 	u32 serdes_net_if;
4435 	u8 fiber_mode;
4436 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4437 	serdes_net_if = (REG_RD(bp, params->shmem_base +
4438 			 offsetof(struct shmem_region, dev_info.
4439 				  port_hw_config[params->port].default_cfg)) &
4440 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4441 	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4442 			   "serdes_net_if = 0x%x\n",
4443 		       vars->line_speed, serdes_net_if);
4444 	bnx2x_set_aer_mmd(params, phy);
4445 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4446 	vars->phy_flags |= PHY_XGXS_FLAG;
4447 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4448 	    (phy->req_line_speed &&
4449 	     ((phy->req_line_speed == SPEED_100) ||
4450 	      (phy->req_line_speed == SPEED_10)))) {
4451 		vars->phy_flags |= PHY_SGMII_FLAG;
4452 		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4453 		bnx2x_warpcore_clear_regs(phy, params, lane);
4454 		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4455 	} else {
4456 		switch (serdes_net_if) {
4457 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4458 			/* Enable KR Auto Neg */
4459 			if (params->loopback_mode != LOOPBACK_EXT)
4460 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4461 			else {
4462 				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4463 				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4464 			}
4465 			break;
4466 
4467 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4468 			bnx2x_warpcore_clear_regs(phy, params, lane);
4469 			if (vars->line_speed == SPEED_10000) {
4470 				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4471 				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4472 			} else {
4473 				if (SINGLE_MEDIA_DIRECT(params)) {
4474 					DP(NETIF_MSG_LINK, "1G Fiber\n");
4475 					fiber_mode = 1;
4476 				} else {
4477 					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4478 					fiber_mode = 0;
4479 				}
4480 				bnx2x_warpcore_set_sgmii_speed(phy,
4481 								params,
4482 								fiber_mode,
4483 								0);
4484 			}
4485 
4486 			break;
4487 
4488 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4489 			/* Issue Module detection if module is plugged, or
4490 			 * enabled transmitter to avoid current leakage in case
4491 			 * no module is connected
4492 			 */
4493 			if ((params->loopback_mode == LOOPBACK_NONE) ||
4494 			    (params->loopback_mode == LOOPBACK_EXT)) {
4495 				if (bnx2x_is_sfp_module_plugged(phy, params))
4496 					bnx2x_sfp_module_detection(phy, params);
4497 				else
4498 					bnx2x_sfp_e3_set_transmitter(params,
4499 								     phy, 1);
4500 			}
4501 
4502 			bnx2x_warpcore_config_sfi(phy, params);
4503 			break;
4504 
4505 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4506 			if (vars->line_speed != SPEED_20000) {
4507 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4508 				return;
4509 			}
4510 			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4511 			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4512 			/* Issue Module detection */
4513 
4514 			bnx2x_sfp_module_detection(phy, params);
4515 			break;
4516 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4517 			if (!params->loopback_mode) {
4518 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4519 			} else {
4520 				DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4521 				bnx2x_warpcore_set_20G_force_KR2(phy, params);
4522 			}
4523 			break;
4524 		default:
4525 			DP(NETIF_MSG_LINK,
4526 			   "Unsupported Serdes Net Interface 0x%x\n",
4527 			   serdes_net_if);
4528 			return;
4529 		}
4530 	}
4531 
4532 	/* Take lane out of reset after configuration is finished */
4533 	bnx2x_warpcore_reset_lane(bp, phy, 0);
4534 	DP(NETIF_MSG_LINK, "Exit config init\n");
4535 }
4536 
4537 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4538 				      struct link_params *params)
4539 {
4540 	struct bnx2x *bp = params->bp;
4541 	u16 val16, lane;
4542 	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4543 	bnx2x_set_mdio_emac_per_phy(bp, params);
4544 	bnx2x_set_aer_mmd(params, phy);
4545 	/* Global register */
4546 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4547 
4548 	/* Clear loopback settings (if any) */
4549 	/* 10G & 20G */
4550 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4551 				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4552 
4553 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4554 				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4555 
4556 	/* Update those 1-copy registers */
4557 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4558 			  MDIO_AER_BLOCK_AER_REG, 0);
4559 	/* Enable 1G MDIO (1-copy) */
4560 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4561 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4562 				  ~0x10);
4563 
4564 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4565 				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4566 	lane = bnx2x_get_warpcore_lane(phy, params);
4567 	/* Disable CL36 PCS Tx */
4568 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4569 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4570 	val16 |= (0x11 << lane);
4571 	if (phy->flags & FLAGS_WC_DUAL_MODE)
4572 		val16 |= (0x22 << lane);
4573 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4574 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4575 
4576 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4577 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4578 	val16 &= ~(0x0303 << (lane << 1));
4579 	val16 |= (0x0101 << (lane << 1));
4580 	if (phy->flags & FLAGS_WC_DUAL_MODE) {
4581 		val16 &= ~(0x0c0c << (lane << 1));
4582 		val16 |= (0x0404 << (lane << 1));
4583 	}
4584 
4585 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4586 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4587 	/* Restore AER */
4588 	bnx2x_set_aer_mmd(params, phy);
4589 
4590 }
4591 
4592 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4593 					struct link_params *params)
4594 {
4595 	struct bnx2x *bp = params->bp;
4596 	u16 val16;
4597 	u32 lane;
4598 	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4599 		       params->loopback_mode, phy->req_line_speed);
4600 
4601 	if (phy->req_line_speed < SPEED_10000 ||
4602 	    phy->supported & SUPPORTED_20000baseKR2_Full) {
4603 		/* 10/100/1000/20G-KR2 */
4604 
4605 		/* Update those 1-copy registers */
4606 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4607 				  MDIO_AER_BLOCK_AER_REG, 0);
4608 		/* Enable 1G MDIO (1-copy) */
4609 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4610 					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4611 					 0x10);
4612 		/* Set 1G loopback based on lane (1-copy) */
4613 		lane = bnx2x_get_warpcore_lane(phy, params);
4614 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4615 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4616 		val16 |= (1<<lane);
4617 		if (phy->flags & FLAGS_WC_DUAL_MODE)
4618 			val16 |= (2<<lane);
4619 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4620 				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4621 				 val16);
4622 
4623 		/* Switch back to 4-copy registers */
4624 		bnx2x_set_aer_mmd(params, phy);
4625 	} else {
4626 		/* 10G / 20G-DXGXS */
4627 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4628 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4629 					 0x4000);
4630 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4631 					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4632 	}
4633 }
4634 
4635 
4636 
4637 static void bnx2x_sync_link(struct link_params *params,
4638 			     struct link_vars *vars)
4639 {
4640 	struct bnx2x *bp = params->bp;
4641 	u8 link_10g_plus;
4642 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4643 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4644 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4645 	if (vars->link_up) {
4646 		DP(NETIF_MSG_LINK, "phy link up\n");
4647 
4648 		vars->phy_link_up = 1;
4649 		vars->duplex = DUPLEX_FULL;
4650 		switch (vars->link_status &
4651 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4652 		case LINK_10THD:
4653 			vars->duplex = DUPLEX_HALF;
4654 			/* Fall thru */
4655 		case LINK_10TFD:
4656 			vars->line_speed = SPEED_10;
4657 			break;
4658 
4659 		case LINK_100TXHD:
4660 			vars->duplex = DUPLEX_HALF;
4661 			/* Fall thru */
4662 		case LINK_100T4:
4663 		case LINK_100TXFD:
4664 			vars->line_speed = SPEED_100;
4665 			break;
4666 
4667 		case LINK_1000THD:
4668 			vars->duplex = DUPLEX_HALF;
4669 			/* Fall thru */
4670 		case LINK_1000TFD:
4671 			vars->line_speed = SPEED_1000;
4672 			break;
4673 
4674 		case LINK_2500THD:
4675 			vars->duplex = DUPLEX_HALF;
4676 			/* Fall thru */
4677 		case LINK_2500TFD:
4678 			vars->line_speed = SPEED_2500;
4679 			break;
4680 
4681 		case LINK_10GTFD:
4682 			vars->line_speed = SPEED_10000;
4683 			break;
4684 		case LINK_20GTFD:
4685 			vars->line_speed = SPEED_20000;
4686 			break;
4687 		default:
4688 			break;
4689 		}
4690 		vars->flow_ctrl = 0;
4691 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4692 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4693 
4694 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4695 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4696 
4697 		if (!vars->flow_ctrl)
4698 			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4699 
4700 		if (vars->line_speed &&
4701 		    ((vars->line_speed == SPEED_10) ||
4702 		     (vars->line_speed == SPEED_100))) {
4703 			vars->phy_flags |= PHY_SGMII_FLAG;
4704 		} else {
4705 			vars->phy_flags &= ~PHY_SGMII_FLAG;
4706 		}
4707 		if (vars->line_speed &&
4708 		    USES_WARPCORE(bp) &&
4709 		    (vars->line_speed == SPEED_1000))
4710 			vars->phy_flags |= PHY_SGMII_FLAG;
4711 		/* Anything 10 and over uses the bmac */
4712 		link_10g_plus = (vars->line_speed >= SPEED_10000);
4713 
4714 		if (link_10g_plus) {
4715 			if (USES_WARPCORE(bp))
4716 				vars->mac_type = MAC_TYPE_XMAC;
4717 			else
4718 				vars->mac_type = MAC_TYPE_BMAC;
4719 		} else {
4720 			if (USES_WARPCORE(bp))
4721 				vars->mac_type = MAC_TYPE_UMAC;
4722 			else
4723 				vars->mac_type = MAC_TYPE_EMAC;
4724 		}
4725 	} else { /* Link down */
4726 		DP(NETIF_MSG_LINK, "phy link down\n");
4727 
4728 		vars->phy_link_up = 0;
4729 
4730 		vars->line_speed = 0;
4731 		vars->duplex = DUPLEX_FULL;
4732 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4733 
4734 		/* Indicate no mac active */
4735 		vars->mac_type = MAC_TYPE_NONE;
4736 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4737 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4738 		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4739 			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4740 	}
4741 }
4742 
4743 void bnx2x_link_status_update(struct link_params *params,
4744 			      struct link_vars *vars)
4745 {
4746 	struct bnx2x *bp = params->bp;
4747 	u8 port = params->port;
4748 	u32 sync_offset, media_types;
4749 	/* Update PHY configuration */
4750 	set_phy_vars(params, vars);
4751 
4752 	vars->link_status = REG_RD(bp, params->shmem_base +
4753 				   offsetof(struct shmem_region,
4754 					    port_mb[port].link_status));
4755 
4756 	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4757 	if (params->loopback_mode != LOOPBACK_NONE &&
4758 	    params->loopback_mode != LOOPBACK_EXT)
4759 		vars->link_status |= LINK_STATUS_LINK_UP;
4760 
4761 	if (bnx2x_eee_has_cap(params))
4762 		vars->eee_status = REG_RD(bp, params->shmem2_base +
4763 					  offsetof(struct shmem2_region,
4764 						   eee_status[params->port]));
4765 
4766 	vars->phy_flags = PHY_XGXS_FLAG;
4767 	bnx2x_sync_link(params, vars);
4768 	/* Sync media type */
4769 	sync_offset = params->shmem_base +
4770 			offsetof(struct shmem_region,
4771 				 dev_info.port_hw_config[port].media_type);
4772 	media_types = REG_RD(bp, sync_offset);
4773 
4774 	params->phy[INT_PHY].media_type =
4775 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4776 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4777 	params->phy[EXT_PHY1].media_type =
4778 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4779 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4780 	params->phy[EXT_PHY2].media_type =
4781 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4782 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4783 	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4784 
4785 	/* Sync AEU offset */
4786 	sync_offset = params->shmem_base +
4787 			offsetof(struct shmem_region,
4788 				 dev_info.port_hw_config[port].aeu_int_mask);
4789 
4790 	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4791 
4792 	/* Sync PFC status */
4793 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4794 		params->feature_config_flags |=
4795 					FEATURE_CONFIG_PFC_ENABLED;
4796 	else
4797 		params->feature_config_flags &=
4798 					~FEATURE_CONFIG_PFC_ENABLED;
4799 
4800 	if (SHMEM2_HAS(bp, link_attr_sync))
4801 		vars->link_attr_sync = SHMEM2_RD(bp,
4802 						 link_attr_sync[params->port]);
4803 
4804 	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4805 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4806 	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4807 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4808 }
4809 
4810 static void bnx2x_set_master_ln(struct link_params *params,
4811 				struct bnx2x_phy *phy)
4812 {
4813 	struct bnx2x *bp = params->bp;
4814 	u16 new_master_ln, ser_lane;
4815 	ser_lane = ((params->lane_config &
4816 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4817 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4818 
4819 	/* Set the master_ln for AN */
4820 	CL22_RD_OVER_CL45(bp, phy,
4821 			  MDIO_REG_BANK_XGXS_BLOCK2,
4822 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4823 			  &new_master_ln);
4824 
4825 	CL22_WR_OVER_CL45(bp, phy,
4826 			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4827 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4828 			  (new_master_ln | ser_lane));
4829 }
4830 
4831 static int bnx2x_reset_unicore(struct link_params *params,
4832 			       struct bnx2x_phy *phy,
4833 			       u8 set_serdes)
4834 {
4835 	struct bnx2x *bp = params->bp;
4836 	u16 mii_control;
4837 	u16 i;
4838 	CL22_RD_OVER_CL45(bp, phy,
4839 			  MDIO_REG_BANK_COMBO_IEEE0,
4840 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4841 
4842 	/* Reset the unicore */
4843 	CL22_WR_OVER_CL45(bp, phy,
4844 			  MDIO_REG_BANK_COMBO_IEEE0,
4845 			  MDIO_COMBO_IEEE0_MII_CONTROL,
4846 			  (mii_control |
4847 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4848 	if (set_serdes)
4849 		bnx2x_set_serdes_access(bp, params->port);
4850 
4851 	/* Wait for the reset to self clear */
4852 	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4853 		udelay(5);
4854 
4855 		/* The reset erased the previous bank value */
4856 		CL22_RD_OVER_CL45(bp, phy,
4857 				  MDIO_REG_BANK_COMBO_IEEE0,
4858 				  MDIO_COMBO_IEEE0_MII_CONTROL,
4859 				  &mii_control);
4860 
4861 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4862 			udelay(5);
4863 			return 0;
4864 		}
4865 	}
4866 
4867 	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4868 			      " Port %d\n",
4869 			 params->port);
4870 	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4871 	return -EINVAL;
4872 
4873 }
4874 
4875 static void bnx2x_set_swap_lanes(struct link_params *params,
4876 				 struct bnx2x_phy *phy)
4877 {
4878 	struct bnx2x *bp = params->bp;
4879 	/* Each two bits represents a lane number:
4880 	 * No swap is 0123 => 0x1b no need to enable the swap
4881 	 */
4882 	u16 rx_lane_swap, tx_lane_swap;
4883 
4884 	rx_lane_swap = ((params->lane_config &
4885 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4886 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4887 	tx_lane_swap = ((params->lane_config &
4888 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4889 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4890 
4891 	if (rx_lane_swap != 0x1b) {
4892 		CL22_WR_OVER_CL45(bp, phy,
4893 				  MDIO_REG_BANK_XGXS_BLOCK2,
4894 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4895 				  (rx_lane_swap |
4896 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4897 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4898 	} else {
4899 		CL22_WR_OVER_CL45(bp, phy,
4900 				  MDIO_REG_BANK_XGXS_BLOCK2,
4901 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4902 	}
4903 
4904 	if (tx_lane_swap != 0x1b) {
4905 		CL22_WR_OVER_CL45(bp, phy,
4906 				  MDIO_REG_BANK_XGXS_BLOCK2,
4907 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4908 				  (tx_lane_swap |
4909 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4910 	} else {
4911 		CL22_WR_OVER_CL45(bp, phy,
4912 				  MDIO_REG_BANK_XGXS_BLOCK2,
4913 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4914 	}
4915 }
4916 
4917 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4918 					 struct link_params *params)
4919 {
4920 	struct bnx2x *bp = params->bp;
4921 	u16 control2;
4922 	CL22_RD_OVER_CL45(bp, phy,
4923 			  MDIO_REG_BANK_SERDES_DIGITAL,
4924 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4925 			  &control2);
4926 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4927 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4928 	else
4929 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4930 	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4931 		phy->speed_cap_mask, control2);
4932 	CL22_WR_OVER_CL45(bp, phy,
4933 			  MDIO_REG_BANK_SERDES_DIGITAL,
4934 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4935 			  control2);
4936 
4937 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4938 	     (phy->speed_cap_mask &
4939 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4940 		DP(NETIF_MSG_LINK, "XGXS\n");
4941 
4942 		CL22_WR_OVER_CL45(bp, phy,
4943 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4944 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4945 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4946 
4947 		CL22_RD_OVER_CL45(bp, phy,
4948 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4949 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4950 				  &control2);
4951 
4952 
4953 		control2 |=
4954 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4955 
4956 		CL22_WR_OVER_CL45(bp, phy,
4957 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4958 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4959 				  control2);
4960 
4961 		/* Disable parallel detection of HiG */
4962 		CL22_WR_OVER_CL45(bp, phy,
4963 				  MDIO_REG_BANK_XGXS_BLOCK2,
4964 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4965 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4966 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4967 	}
4968 }
4969 
4970 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4971 			      struct link_params *params,
4972 			      struct link_vars *vars,
4973 			      u8 enable_cl73)
4974 {
4975 	struct bnx2x *bp = params->bp;
4976 	u16 reg_val;
4977 
4978 	/* CL37 Autoneg */
4979 	CL22_RD_OVER_CL45(bp, phy,
4980 			  MDIO_REG_BANK_COMBO_IEEE0,
4981 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
4982 
4983 	/* CL37 Autoneg Enabled */
4984 	if (vars->line_speed == SPEED_AUTO_NEG)
4985 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4986 	else /* CL37 Autoneg Disabled */
4987 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4988 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4989 
4990 	CL22_WR_OVER_CL45(bp, phy,
4991 			  MDIO_REG_BANK_COMBO_IEEE0,
4992 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
4993 
4994 	/* Enable/Disable Autodetection */
4995 
4996 	CL22_RD_OVER_CL45(bp, phy,
4997 			  MDIO_REG_BANK_SERDES_DIGITAL,
4998 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4999 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5000 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5001 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5002 	if (vars->line_speed == SPEED_AUTO_NEG)
5003 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5004 	else
5005 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5006 
5007 	CL22_WR_OVER_CL45(bp, phy,
5008 			  MDIO_REG_BANK_SERDES_DIGITAL,
5009 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5010 
5011 	/* Enable TetonII and BAM autoneg */
5012 	CL22_RD_OVER_CL45(bp, phy,
5013 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5014 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5015 			  &reg_val);
5016 	if (vars->line_speed == SPEED_AUTO_NEG) {
5017 		/* Enable BAM aneg Mode and TetonII aneg Mode */
5018 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5019 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5020 	} else {
5021 		/* TetonII and BAM Autoneg Disabled */
5022 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5023 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5024 	}
5025 	CL22_WR_OVER_CL45(bp, phy,
5026 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5027 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5028 			  reg_val);
5029 
5030 	if (enable_cl73) {
5031 		/* Enable Cl73 FSM status bits */
5032 		CL22_WR_OVER_CL45(bp, phy,
5033 				  MDIO_REG_BANK_CL73_USERB0,
5034 				  MDIO_CL73_USERB0_CL73_UCTRL,
5035 				  0xe);
5036 
5037 		/* Enable BAM Station Manager*/
5038 		CL22_WR_OVER_CL45(bp, phy,
5039 			MDIO_REG_BANK_CL73_USERB0,
5040 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5041 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5042 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5043 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5044 
5045 		/* Advertise CL73 link speeds */
5046 		CL22_RD_OVER_CL45(bp, phy,
5047 				  MDIO_REG_BANK_CL73_IEEEB1,
5048 				  MDIO_CL73_IEEEB1_AN_ADV2,
5049 				  &reg_val);
5050 		if (phy->speed_cap_mask &
5051 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5052 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5053 		if (phy->speed_cap_mask &
5054 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5055 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5056 
5057 		CL22_WR_OVER_CL45(bp, phy,
5058 				  MDIO_REG_BANK_CL73_IEEEB1,
5059 				  MDIO_CL73_IEEEB1_AN_ADV2,
5060 				  reg_val);
5061 
5062 		/* CL73 Autoneg Enabled */
5063 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5064 
5065 	} else /* CL73 Autoneg Disabled */
5066 		reg_val = 0;
5067 
5068 	CL22_WR_OVER_CL45(bp, phy,
5069 			  MDIO_REG_BANK_CL73_IEEEB0,
5070 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5071 }
5072 
5073 /* Program SerDes, forced speed */
5074 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5075 				 struct link_params *params,
5076 				 struct link_vars *vars)
5077 {
5078 	struct bnx2x *bp = params->bp;
5079 	u16 reg_val;
5080 
5081 	/* Program duplex, disable autoneg and sgmii*/
5082 	CL22_RD_OVER_CL45(bp, phy,
5083 			  MDIO_REG_BANK_COMBO_IEEE0,
5084 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5085 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5086 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5087 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5088 	if (phy->req_duplex == DUPLEX_FULL)
5089 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5090 	CL22_WR_OVER_CL45(bp, phy,
5091 			  MDIO_REG_BANK_COMBO_IEEE0,
5092 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5093 
5094 	/* Program speed
5095 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5096 	 */
5097 	CL22_RD_OVER_CL45(bp, phy,
5098 			  MDIO_REG_BANK_SERDES_DIGITAL,
5099 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5100 	/* Clearing the speed value before setting the right speed */
5101 	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5102 
5103 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5104 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5105 
5106 	if (!((vars->line_speed == SPEED_1000) ||
5107 	      (vars->line_speed == SPEED_100) ||
5108 	      (vars->line_speed == SPEED_10))) {
5109 
5110 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5111 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5112 		if (vars->line_speed == SPEED_10000)
5113 			reg_val |=
5114 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5115 	}
5116 
5117 	CL22_WR_OVER_CL45(bp, phy,
5118 			  MDIO_REG_BANK_SERDES_DIGITAL,
5119 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5120 
5121 }
5122 
5123 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5124 					      struct link_params *params)
5125 {
5126 	struct bnx2x *bp = params->bp;
5127 	u16 val = 0;
5128 
5129 	/* Set extended capabilities */
5130 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5131 		val |= MDIO_OVER_1G_UP1_2_5G;
5132 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5133 		val |= MDIO_OVER_1G_UP1_10G;
5134 	CL22_WR_OVER_CL45(bp, phy,
5135 			  MDIO_REG_BANK_OVER_1G,
5136 			  MDIO_OVER_1G_UP1, val);
5137 
5138 	CL22_WR_OVER_CL45(bp, phy,
5139 			  MDIO_REG_BANK_OVER_1G,
5140 			  MDIO_OVER_1G_UP3, 0x400);
5141 }
5142 
5143 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5144 					      struct link_params *params,
5145 					      u16 ieee_fc)
5146 {
5147 	struct bnx2x *bp = params->bp;
5148 	u16 val;
5149 	/* For AN, we are always publishing full duplex */
5150 
5151 	CL22_WR_OVER_CL45(bp, phy,
5152 			  MDIO_REG_BANK_COMBO_IEEE0,
5153 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5154 	CL22_RD_OVER_CL45(bp, phy,
5155 			  MDIO_REG_BANK_CL73_IEEEB1,
5156 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5157 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5158 	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5159 	CL22_WR_OVER_CL45(bp, phy,
5160 			  MDIO_REG_BANK_CL73_IEEEB1,
5161 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5162 }
5163 
5164 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5165 				  struct link_params *params,
5166 				  u8 enable_cl73)
5167 {
5168 	struct bnx2x *bp = params->bp;
5169 	u16 mii_control;
5170 
5171 	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5172 	/* Enable and restart BAM/CL37 aneg */
5173 
5174 	if (enable_cl73) {
5175 		CL22_RD_OVER_CL45(bp, phy,
5176 				  MDIO_REG_BANK_CL73_IEEEB0,
5177 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5178 				  &mii_control);
5179 
5180 		CL22_WR_OVER_CL45(bp, phy,
5181 				  MDIO_REG_BANK_CL73_IEEEB0,
5182 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5183 				  (mii_control |
5184 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5185 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5186 	} else {
5187 
5188 		CL22_RD_OVER_CL45(bp, phy,
5189 				  MDIO_REG_BANK_COMBO_IEEE0,
5190 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5191 				  &mii_control);
5192 		DP(NETIF_MSG_LINK,
5193 			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5194 			 mii_control);
5195 		CL22_WR_OVER_CL45(bp, phy,
5196 				  MDIO_REG_BANK_COMBO_IEEE0,
5197 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5198 				  (mii_control |
5199 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5200 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5201 	}
5202 }
5203 
5204 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5205 					   struct link_params *params,
5206 					   struct link_vars *vars)
5207 {
5208 	struct bnx2x *bp = params->bp;
5209 	u16 control1;
5210 
5211 	/* In SGMII mode, the unicore is always slave */
5212 
5213 	CL22_RD_OVER_CL45(bp, phy,
5214 			  MDIO_REG_BANK_SERDES_DIGITAL,
5215 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5216 			  &control1);
5217 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5218 	/* Set sgmii mode (and not fiber) */
5219 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5220 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5221 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5222 	CL22_WR_OVER_CL45(bp, phy,
5223 			  MDIO_REG_BANK_SERDES_DIGITAL,
5224 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5225 			  control1);
5226 
5227 	/* If forced speed */
5228 	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5229 		/* Set speed, disable autoneg */
5230 		u16 mii_control;
5231 
5232 		CL22_RD_OVER_CL45(bp, phy,
5233 				  MDIO_REG_BANK_COMBO_IEEE0,
5234 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5235 				  &mii_control);
5236 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5237 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5238 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5239 
5240 		switch (vars->line_speed) {
5241 		case SPEED_100:
5242 			mii_control |=
5243 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5244 			break;
5245 		case SPEED_1000:
5246 			mii_control |=
5247 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5248 			break;
5249 		case SPEED_10:
5250 			/* There is nothing to set for 10M */
5251 			break;
5252 		default:
5253 			/* Invalid speed for SGMII */
5254 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5255 				  vars->line_speed);
5256 			break;
5257 		}
5258 
5259 		/* Setting the full duplex */
5260 		if (phy->req_duplex == DUPLEX_FULL)
5261 			mii_control |=
5262 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5263 		CL22_WR_OVER_CL45(bp, phy,
5264 				  MDIO_REG_BANK_COMBO_IEEE0,
5265 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5266 				  mii_control);
5267 
5268 	} else { /* AN mode */
5269 		/* Enable and restart AN */
5270 		bnx2x_restart_autoneg(phy, params, 0);
5271 	}
5272 }
5273 
5274 /* Link management
5275  */
5276 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5277 					     struct link_params *params)
5278 {
5279 	struct bnx2x *bp = params->bp;
5280 	u16 pd_10g, status2_1000x;
5281 	if (phy->req_line_speed != SPEED_AUTO_NEG)
5282 		return 0;
5283 	CL22_RD_OVER_CL45(bp, phy,
5284 			  MDIO_REG_BANK_SERDES_DIGITAL,
5285 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5286 			  &status2_1000x);
5287 	CL22_RD_OVER_CL45(bp, phy,
5288 			  MDIO_REG_BANK_SERDES_DIGITAL,
5289 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5290 			  &status2_1000x);
5291 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5292 		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5293 			 params->port);
5294 		return 1;
5295 	}
5296 
5297 	CL22_RD_OVER_CL45(bp, phy,
5298 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5299 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5300 			  &pd_10g);
5301 
5302 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5303 		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5304 			 params->port);
5305 		return 1;
5306 	}
5307 	return 0;
5308 }
5309 
5310 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5311 				struct link_params *params,
5312 				struct link_vars *vars,
5313 				u32 gp_status)
5314 {
5315 	u16 ld_pause;   /* local driver */
5316 	u16 lp_pause;   /* link partner */
5317 	u16 pause_result;
5318 	struct bnx2x *bp = params->bp;
5319 	if ((gp_status &
5320 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5321 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5322 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5323 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5324 
5325 		CL22_RD_OVER_CL45(bp, phy,
5326 				  MDIO_REG_BANK_CL73_IEEEB1,
5327 				  MDIO_CL73_IEEEB1_AN_ADV1,
5328 				  &ld_pause);
5329 		CL22_RD_OVER_CL45(bp, phy,
5330 				  MDIO_REG_BANK_CL73_IEEEB1,
5331 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5332 				  &lp_pause);
5333 		pause_result = (ld_pause &
5334 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5335 		pause_result |= (lp_pause &
5336 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5337 		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5338 	} else {
5339 		CL22_RD_OVER_CL45(bp, phy,
5340 				  MDIO_REG_BANK_COMBO_IEEE0,
5341 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5342 				  &ld_pause);
5343 		CL22_RD_OVER_CL45(bp, phy,
5344 			MDIO_REG_BANK_COMBO_IEEE0,
5345 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5346 			&lp_pause);
5347 		pause_result = (ld_pause &
5348 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5349 		pause_result |= (lp_pause &
5350 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5351 		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5352 	}
5353 	bnx2x_pause_resolve(vars, pause_result);
5354 
5355 }
5356 
5357 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5358 				    struct link_params *params,
5359 				    struct link_vars *vars,
5360 				    u32 gp_status)
5361 {
5362 	struct bnx2x *bp = params->bp;
5363 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5364 
5365 	/* Resolve from gp_status in case of AN complete and not sgmii */
5366 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5367 		/* Update the advertised flow-controled of LD/LP in AN */
5368 		if (phy->req_line_speed == SPEED_AUTO_NEG)
5369 			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5370 		/* But set the flow-control result as the requested one */
5371 		vars->flow_ctrl = phy->req_flow_ctrl;
5372 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5373 		vars->flow_ctrl = params->req_fc_auto_adv;
5374 	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5375 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5376 		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5377 			vars->flow_ctrl = params->req_fc_auto_adv;
5378 			return;
5379 		}
5380 		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5381 	}
5382 	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5383 }
5384 
5385 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5386 					 struct link_params *params)
5387 {
5388 	struct bnx2x *bp = params->bp;
5389 	u16 rx_status, ustat_val, cl37_fsm_received;
5390 	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5391 	/* Step 1: Make sure signal is detected */
5392 	CL22_RD_OVER_CL45(bp, phy,
5393 			  MDIO_REG_BANK_RX0,
5394 			  MDIO_RX0_RX_STATUS,
5395 			  &rx_status);
5396 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5397 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5398 		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5399 			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5400 		CL22_WR_OVER_CL45(bp, phy,
5401 				  MDIO_REG_BANK_CL73_IEEEB0,
5402 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5403 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5404 		return;
5405 	}
5406 	/* Step 2: Check CL73 state machine */
5407 	CL22_RD_OVER_CL45(bp, phy,
5408 			  MDIO_REG_BANK_CL73_USERB0,
5409 			  MDIO_CL73_USERB0_CL73_USTAT1,
5410 			  &ustat_val);
5411 	if ((ustat_val &
5412 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5413 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5414 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5415 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5416 		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5417 			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5418 		return;
5419 	}
5420 	/* Step 3: Check CL37 Message Pages received to indicate LP
5421 	 * supports only CL37
5422 	 */
5423 	CL22_RD_OVER_CL45(bp, phy,
5424 			  MDIO_REG_BANK_REMOTE_PHY,
5425 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5426 			  &cl37_fsm_received);
5427 	if ((cl37_fsm_received &
5428 	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5429 	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5430 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5431 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5432 		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5433 			     "misc_rx_status(0x8330) = 0x%x\n",
5434 			 cl37_fsm_received);
5435 		return;
5436 	}
5437 	/* The combined cl37/cl73 fsm state information indicating that
5438 	 * we are connected to a device which does not support cl73, but
5439 	 * does support cl37 BAM. In this case we disable cl73 and
5440 	 * restart cl37 auto-neg
5441 	 */
5442 
5443 	/* Disable CL73 */
5444 	CL22_WR_OVER_CL45(bp, phy,
5445 			  MDIO_REG_BANK_CL73_IEEEB0,
5446 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5447 			  0);
5448 	/* Restart CL37 autoneg */
5449 	bnx2x_restart_autoneg(phy, params, 0);
5450 	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5451 }
5452 
5453 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5454 				  struct link_params *params,
5455 				  struct link_vars *vars,
5456 				  u32 gp_status)
5457 {
5458 	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5459 		vars->link_status |=
5460 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5461 
5462 	if (bnx2x_direct_parallel_detect_used(phy, params))
5463 		vars->link_status |=
5464 			LINK_STATUS_PARALLEL_DETECTION_USED;
5465 }
5466 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5467 				     struct link_params *params,
5468 				      struct link_vars *vars,
5469 				      u16 is_link_up,
5470 				      u16 speed_mask,
5471 				      u16 is_duplex)
5472 {
5473 	struct bnx2x *bp = params->bp;
5474 	if (phy->req_line_speed == SPEED_AUTO_NEG)
5475 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5476 	if (is_link_up) {
5477 		DP(NETIF_MSG_LINK, "phy link up\n");
5478 
5479 		vars->phy_link_up = 1;
5480 		vars->link_status |= LINK_STATUS_LINK_UP;
5481 
5482 		switch (speed_mask) {
5483 		case GP_STATUS_10M:
5484 			vars->line_speed = SPEED_10;
5485 			if (is_duplex == DUPLEX_FULL)
5486 				vars->link_status |= LINK_10TFD;
5487 			else
5488 				vars->link_status |= LINK_10THD;
5489 			break;
5490 
5491 		case GP_STATUS_100M:
5492 			vars->line_speed = SPEED_100;
5493 			if (is_duplex == DUPLEX_FULL)
5494 				vars->link_status |= LINK_100TXFD;
5495 			else
5496 				vars->link_status |= LINK_100TXHD;
5497 			break;
5498 
5499 		case GP_STATUS_1G:
5500 		case GP_STATUS_1G_KX:
5501 			vars->line_speed = SPEED_1000;
5502 			if (is_duplex == DUPLEX_FULL)
5503 				vars->link_status |= LINK_1000TFD;
5504 			else
5505 				vars->link_status |= LINK_1000THD;
5506 			break;
5507 
5508 		case GP_STATUS_2_5G:
5509 			vars->line_speed = SPEED_2500;
5510 			if (is_duplex == DUPLEX_FULL)
5511 				vars->link_status |= LINK_2500TFD;
5512 			else
5513 				vars->link_status |= LINK_2500THD;
5514 			break;
5515 
5516 		case GP_STATUS_5G:
5517 		case GP_STATUS_6G:
5518 			DP(NETIF_MSG_LINK,
5519 				 "link speed unsupported  gp_status 0x%x\n",
5520 				  speed_mask);
5521 			return -EINVAL;
5522 
5523 		case GP_STATUS_10G_KX4:
5524 		case GP_STATUS_10G_HIG:
5525 		case GP_STATUS_10G_CX4:
5526 		case GP_STATUS_10G_KR:
5527 		case GP_STATUS_10G_SFI:
5528 		case GP_STATUS_10G_XFI:
5529 			vars->line_speed = SPEED_10000;
5530 			vars->link_status |= LINK_10GTFD;
5531 			break;
5532 		case GP_STATUS_20G_DXGXS:
5533 		case GP_STATUS_20G_KR2:
5534 			vars->line_speed = SPEED_20000;
5535 			vars->link_status |= LINK_20GTFD;
5536 			break;
5537 		default:
5538 			DP(NETIF_MSG_LINK,
5539 				  "link speed unsupported gp_status 0x%x\n",
5540 				  speed_mask);
5541 			return -EINVAL;
5542 		}
5543 	} else { /* link_down */
5544 		DP(NETIF_MSG_LINK, "phy link down\n");
5545 
5546 		vars->phy_link_up = 0;
5547 
5548 		vars->duplex = DUPLEX_FULL;
5549 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5550 		vars->mac_type = MAC_TYPE_NONE;
5551 	}
5552 	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5553 		    vars->phy_link_up, vars->line_speed);
5554 	return 0;
5555 }
5556 
5557 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5558 				      struct link_params *params,
5559 				      struct link_vars *vars)
5560 {
5561 	struct bnx2x *bp = params->bp;
5562 
5563 	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5564 	int rc = 0;
5565 
5566 	/* Read gp_status */
5567 	CL22_RD_OVER_CL45(bp, phy,
5568 			  MDIO_REG_BANK_GP_STATUS,
5569 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5570 			  &gp_status);
5571 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5572 		duplex = DUPLEX_FULL;
5573 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5574 		link_up = 1;
5575 	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5576 	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5577 		       gp_status, link_up, speed_mask);
5578 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5579 					 duplex);
5580 	if (rc == -EINVAL)
5581 		return rc;
5582 
5583 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5584 		if (SINGLE_MEDIA_DIRECT(params)) {
5585 			vars->duplex = duplex;
5586 			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5587 			if (phy->req_line_speed == SPEED_AUTO_NEG)
5588 				bnx2x_xgxs_an_resolve(phy, params, vars,
5589 						      gp_status);
5590 		}
5591 	} else { /* Link_down */
5592 		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5593 		    SINGLE_MEDIA_DIRECT(params)) {
5594 			/* Check signal is detected */
5595 			bnx2x_check_fallback_to_cl37(phy, params);
5596 		}
5597 	}
5598 
5599 	/* Read LP advertised speeds*/
5600 	if (SINGLE_MEDIA_DIRECT(params) &&
5601 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5602 		u16 val;
5603 
5604 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5605 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5606 
5607 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5608 			vars->link_status |=
5609 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5610 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5611 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5612 			vars->link_status |=
5613 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5614 
5615 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5616 				  MDIO_OVER_1G_LP_UP1, &val);
5617 
5618 		if (val & MDIO_OVER_1G_UP1_2_5G)
5619 			vars->link_status |=
5620 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5621 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5622 			vars->link_status |=
5623 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5624 	}
5625 
5626 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5627 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5628 	return rc;
5629 }
5630 
5631 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5632 				     struct link_params *params,
5633 				     struct link_vars *vars)
5634 {
5635 	struct bnx2x *bp = params->bp;
5636 	u8 lane;
5637 	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5638 	int rc = 0;
5639 	lane = bnx2x_get_warpcore_lane(phy, params);
5640 	/* Read gp_status */
5641 	if ((params->loopback_mode) &&
5642 	    (phy->flags & FLAGS_WC_DUAL_MODE)) {
5643 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5644 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5645 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5646 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5647 		link_up &= 0x1;
5648 	} else if ((phy->req_line_speed > SPEED_10000) &&
5649 		(phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5650 		u16 temp_link_up;
5651 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5652 				1, &temp_link_up);
5653 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5654 				1, &link_up);
5655 		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5656 			       temp_link_up, link_up);
5657 		link_up &= (1<<2);
5658 		if (link_up)
5659 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5660 	} else {
5661 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5662 				MDIO_WC_REG_GP2_STATUS_GP_2_1,
5663 				&gp_status1);
5664 		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5665 		/* Check for either KR, 1G, or AN up. */
5666 		link_up = ((gp_status1 >> 8) |
5667 			   (gp_status1 >> 12) |
5668 			   (gp_status1)) &
5669 			(1 << lane);
5670 		if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5671 			u16 an_link;
5672 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5673 					MDIO_AN_REG_STATUS, &an_link);
5674 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5675 					MDIO_AN_REG_STATUS, &an_link);
5676 			link_up |= (an_link & (1<<2));
5677 		}
5678 		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5679 			u16 pd, gp_status4;
5680 			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5681 				/* Check Autoneg complete */
5682 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5683 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5684 						&gp_status4);
5685 				if (gp_status4 & ((1<<12)<<lane))
5686 					vars->link_status |=
5687 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5688 
5689 				/* Check parallel detect used */
5690 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5691 						MDIO_WC_REG_PAR_DET_10G_STATUS,
5692 						&pd);
5693 				if (pd & (1<<15))
5694 					vars->link_status |=
5695 					LINK_STATUS_PARALLEL_DETECTION_USED;
5696 			}
5697 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5698 			vars->duplex = duplex;
5699 		}
5700 	}
5701 
5702 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5703 	    SINGLE_MEDIA_DIRECT(params)) {
5704 		u16 val;
5705 
5706 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5707 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5708 
5709 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5710 			vars->link_status |=
5711 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5712 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5713 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5714 			vars->link_status |=
5715 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5716 
5717 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5718 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5719 
5720 		if (val & MDIO_OVER_1G_UP1_2_5G)
5721 			vars->link_status |=
5722 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5723 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5724 			vars->link_status |=
5725 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5726 
5727 	}
5728 
5729 
5730 	if (lane < 2) {
5731 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5732 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5733 	} else {
5734 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5735 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5736 	}
5737 	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5738 
5739 	if ((lane & 1) == 0)
5740 		gp_speed <<= 8;
5741 	gp_speed &= 0x3f00;
5742 	link_up = !!link_up;
5743 
5744 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5745 					 duplex);
5746 
5747 	/* In case of KR link down, start up the recovering procedure */
5748 	if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5749 	    (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5750 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5751 
5752 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5753 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5754 	return rc;
5755 }
5756 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5757 {
5758 	struct bnx2x *bp = params->bp;
5759 	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5760 	u16 lp_up2;
5761 	u16 tx_driver;
5762 	u16 bank;
5763 
5764 	/* Read precomp */
5765 	CL22_RD_OVER_CL45(bp, phy,
5766 			  MDIO_REG_BANK_OVER_1G,
5767 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5768 
5769 	/* Bits [10:7] at lp_up2, positioned at [15:12] */
5770 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5771 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5772 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5773 
5774 	if (lp_up2 == 0)
5775 		return;
5776 
5777 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5778 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5779 		CL22_RD_OVER_CL45(bp, phy,
5780 				  bank,
5781 				  MDIO_TX0_TX_DRIVER, &tx_driver);
5782 
5783 		/* Replace tx_driver bits [15:12] */
5784 		if (lp_up2 !=
5785 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5786 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5787 			tx_driver |= lp_up2;
5788 			CL22_WR_OVER_CL45(bp, phy,
5789 					  bank,
5790 					  MDIO_TX0_TX_DRIVER, tx_driver);
5791 		}
5792 	}
5793 }
5794 
5795 static int bnx2x_emac_program(struct link_params *params,
5796 			      struct link_vars *vars)
5797 {
5798 	struct bnx2x *bp = params->bp;
5799 	u8 port = params->port;
5800 	u16 mode = 0;
5801 
5802 	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5803 	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5804 		       EMAC_REG_EMAC_MODE,
5805 		       (EMAC_MODE_25G_MODE |
5806 			EMAC_MODE_PORT_MII_10M |
5807 			EMAC_MODE_HALF_DUPLEX));
5808 	switch (vars->line_speed) {
5809 	case SPEED_10:
5810 		mode |= EMAC_MODE_PORT_MII_10M;
5811 		break;
5812 
5813 	case SPEED_100:
5814 		mode |= EMAC_MODE_PORT_MII;
5815 		break;
5816 
5817 	case SPEED_1000:
5818 		mode |= EMAC_MODE_PORT_GMII;
5819 		break;
5820 
5821 	case SPEED_2500:
5822 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5823 		break;
5824 
5825 	default:
5826 		/* 10G not valid for EMAC */
5827 		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5828 			   vars->line_speed);
5829 		return -EINVAL;
5830 	}
5831 
5832 	if (vars->duplex == DUPLEX_HALF)
5833 		mode |= EMAC_MODE_HALF_DUPLEX;
5834 	bnx2x_bits_en(bp,
5835 		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5836 		      mode);
5837 
5838 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5839 	return 0;
5840 }
5841 
5842 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5843 				  struct link_params *params)
5844 {
5845 
5846 	u16 bank, i = 0;
5847 	struct bnx2x *bp = params->bp;
5848 
5849 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5850 	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5851 			CL22_WR_OVER_CL45(bp, phy,
5852 					  bank,
5853 					  MDIO_RX0_RX_EQ_BOOST,
5854 					  phy->rx_preemphasis[i]);
5855 	}
5856 
5857 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5858 		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5859 			CL22_WR_OVER_CL45(bp, phy,
5860 					  bank,
5861 					  MDIO_TX0_TX_DRIVER,
5862 					  phy->tx_preemphasis[i]);
5863 	}
5864 }
5865 
5866 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5867 				   struct link_params *params,
5868 				   struct link_vars *vars)
5869 {
5870 	struct bnx2x *bp = params->bp;
5871 	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5872 			  (params->loopback_mode == LOOPBACK_XGXS));
5873 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5874 		if (SINGLE_MEDIA_DIRECT(params) &&
5875 		    (params->feature_config_flags &
5876 		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5877 			bnx2x_set_preemphasis(phy, params);
5878 
5879 		/* Forced speed requested? */
5880 		if (vars->line_speed != SPEED_AUTO_NEG ||
5881 		    (SINGLE_MEDIA_DIRECT(params) &&
5882 		     params->loopback_mode == LOOPBACK_EXT)) {
5883 			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5884 
5885 			/* Disable autoneg */
5886 			bnx2x_set_autoneg(phy, params, vars, 0);
5887 
5888 			/* Program speed and duplex */
5889 			bnx2x_program_serdes(phy, params, vars);
5890 
5891 		} else { /* AN_mode */
5892 			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5893 
5894 			/* AN enabled */
5895 			bnx2x_set_brcm_cl37_advertisement(phy, params);
5896 
5897 			/* Program duplex & pause advertisement (for aneg) */
5898 			bnx2x_set_ieee_aneg_advertisement(phy, params,
5899 							  vars->ieee_fc);
5900 
5901 			/* Enable autoneg */
5902 			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5903 
5904 			/* Enable and restart AN */
5905 			bnx2x_restart_autoneg(phy, params, enable_cl73);
5906 		}
5907 
5908 	} else { /* SGMII mode */
5909 		DP(NETIF_MSG_LINK, "SGMII\n");
5910 
5911 		bnx2x_initialize_sgmii_process(phy, params, vars);
5912 	}
5913 }
5914 
5915 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5916 			  struct link_params *params,
5917 			  struct link_vars *vars)
5918 {
5919 	int rc;
5920 	vars->phy_flags |= PHY_XGXS_FLAG;
5921 	if ((phy->req_line_speed &&
5922 	     ((phy->req_line_speed == SPEED_100) ||
5923 	      (phy->req_line_speed == SPEED_10))) ||
5924 	    (!phy->req_line_speed &&
5925 	     (phy->speed_cap_mask >=
5926 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5927 	     (phy->speed_cap_mask <
5928 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5929 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5930 		vars->phy_flags |= PHY_SGMII_FLAG;
5931 	else
5932 		vars->phy_flags &= ~PHY_SGMII_FLAG;
5933 
5934 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5935 	bnx2x_set_aer_mmd(params, phy);
5936 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5937 		bnx2x_set_master_ln(params, phy);
5938 
5939 	rc = bnx2x_reset_unicore(params, phy, 0);
5940 	/* Reset the SerDes and wait for reset bit return low */
5941 	if (rc)
5942 		return rc;
5943 
5944 	bnx2x_set_aer_mmd(params, phy);
5945 	/* Setting the masterLn_def again after the reset */
5946 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5947 		bnx2x_set_master_ln(params, phy);
5948 		bnx2x_set_swap_lanes(params, phy);
5949 	}
5950 
5951 	return rc;
5952 }
5953 
5954 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5955 				     struct bnx2x_phy *phy,
5956 				     struct link_params *params)
5957 {
5958 	u16 cnt, ctrl;
5959 	/* Wait for soft reset to get cleared up to 1 sec */
5960 	for (cnt = 0; cnt < 1000; cnt++) {
5961 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5962 			bnx2x_cl22_read(bp, phy,
5963 				MDIO_PMA_REG_CTRL, &ctrl);
5964 		else
5965 			bnx2x_cl45_read(bp, phy,
5966 				MDIO_PMA_DEVAD,
5967 				MDIO_PMA_REG_CTRL, &ctrl);
5968 		if (!(ctrl & (1<<15)))
5969 			break;
5970 		usleep_range(1000, 2000);
5971 	}
5972 
5973 	if (cnt == 1000)
5974 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
5975 				      " Port %d\n",
5976 			 params->port);
5977 	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5978 	return cnt;
5979 }
5980 
5981 static void bnx2x_link_int_enable(struct link_params *params)
5982 {
5983 	u8 port = params->port;
5984 	u32 mask;
5985 	struct bnx2x *bp = params->bp;
5986 
5987 	/* Setting the status to report on link up for either XGXS or SerDes */
5988 	if (CHIP_IS_E3(bp)) {
5989 		mask = NIG_MASK_XGXS0_LINK_STATUS;
5990 		if (!(SINGLE_MEDIA_DIRECT(params)))
5991 			mask |= NIG_MASK_MI_INT;
5992 	} else if (params->switch_cfg == SWITCH_CFG_10G) {
5993 		mask = (NIG_MASK_XGXS0_LINK10G |
5994 			NIG_MASK_XGXS0_LINK_STATUS);
5995 		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
5996 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
5997 			params->phy[INT_PHY].type !=
5998 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
5999 			mask |= NIG_MASK_MI_INT;
6000 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6001 		}
6002 
6003 	} else { /* SerDes */
6004 		mask = NIG_MASK_SERDES0_LINK_STATUS;
6005 		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6006 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6007 			params->phy[INT_PHY].type !=
6008 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6009 			mask |= NIG_MASK_MI_INT;
6010 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6011 		}
6012 	}
6013 	bnx2x_bits_en(bp,
6014 		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6015 		      mask);
6016 
6017 	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6018 		 (params->switch_cfg == SWITCH_CFG_10G),
6019 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6020 	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6021 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6022 		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6023 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6024 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6025 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6026 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6027 }
6028 
6029 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6030 				     u8 exp_mi_int)
6031 {
6032 	u32 latch_status = 0;
6033 
6034 	/* Disable the MI INT ( external phy int ) by writing 1 to the
6035 	 * status register. Link down indication is high-active-signal,
6036 	 * so in this case we need to write the status to clear the XOR
6037 	 */
6038 	/* Read Latched signals */
6039 	latch_status = REG_RD(bp,
6040 				    NIG_REG_LATCH_STATUS_0 + port*8);
6041 	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6042 	/* Handle only those with latched-signal=up.*/
6043 	if (exp_mi_int)
6044 		bnx2x_bits_en(bp,
6045 			      NIG_REG_STATUS_INTERRUPT_PORT0
6046 			      + port*4,
6047 			      NIG_STATUS_EMAC0_MI_INT);
6048 	else
6049 		bnx2x_bits_dis(bp,
6050 			       NIG_REG_STATUS_INTERRUPT_PORT0
6051 			       + port*4,
6052 			       NIG_STATUS_EMAC0_MI_INT);
6053 
6054 	if (latch_status & 1) {
6055 
6056 		/* For all latched-signal=up : Re-Arm Latch signals */
6057 		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6058 		       (latch_status & 0xfffe) | (latch_status & 1));
6059 	}
6060 	/* For all latched-signal=up,Write original_signal to status */
6061 }
6062 
6063 static void bnx2x_link_int_ack(struct link_params *params,
6064 			       struct link_vars *vars, u8 is_10g_plus)
6065 {
6066 	struct bnx2x *bp = params->bp;
6067 	u8 port = params->port;
6068 	u32 mask;
6069 	/* First reset all status we assume only one line will be
6070 	 * change at a time
6071 	 */
6072 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6073 		       (NIG_STATUS_XGXS0_LINK10G |
6074 			NIG_STATUS_XGXS0_LINK_STATUS |
6075 			NIG_STATUS_SERDES0_LINK_STATUS));
6076 	if (vars->phy_link_up) {
6077 		if (USES_WARPCORE(bp))
6078 			mask = NIG_STATUS_XGXS0_LINK_STATUS;
6079 		else {
6080 			if (is_10g_plus)
6081 				mask = NIG_STATUS_XGXS0_LINK10G;
6082 			else if (params->switch_cfg == SWITCH_CFG_10G) {
6083 				/* Disable the link interrupt by writing 1 to
6084 				 * the relevant lane in the status register
6085 				 */
6086 				u32 ser_lane =
6087 					((params->lane_config &
6088 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6089 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6090 				mask = ((1 << ser_lane) <<
6091 				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6092 			} else
6093 				mask = NIG_STATUS_SERDES0_LINK_STATUS;
6094 		}
6095 		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6096 			       mask);
6097 		bnx2x_bits_en(bp,
6098 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6099 			      mask);
6100 	}
6101 }
6102 
6103 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6104 {
6105 	u8 *str_ptr = str;
6106 	u32 mask = 0xf0000000;
6107 	u8 shift = 8*4;
6108 	u8 digit;
6109 	u8 remove_leading_zeros = 1;
6110 	if (*len < 10) {
6111 		/* Need more than 10chars for this format */
6112 		*str_ptr = '\0';
6113 		(*len)--;
6114 		return -EINVAL;
6115 	}
6116 	while (shift > 0) {
6117 
6118 		shift -= 4;
6119 		digit = ((num & mask) >> shift);
6120 		if (digit == 0 && remove_leading_zeros) {
6121 			mask = mask >> 4;
6122 			continue;
6123 		} else if (digit < 0xa)
6124 			*str_ptr = digit + '0';
6125 		else
6126 			*str_ptr = digit - 0xa + 'a';
6127 		remove_leading_zeros = 0;
6128 		str_ptr++;
6129 		(*len)--;
6130 		mask = mask >> 4;
6131 		if (shift == 4*4) {
6132 			*str_ptr = '.';
6133 			str_ptr++;
6134 			(*len)--;
6135 			remove_leading_zeros = 1;
6136 		}
6137 	}
6138 	return 0;
6139 }
6140 
6141 
6142 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6143 {
6144 	str[0] = '\0';
6145 	(*len)--;
6146 	return 0;
6147 }
6148 
6149 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6150 				 u16 len)
6151 {
6152 	struct bnx2x *bp;
6153 	u32 spirom_ver = 0;
6154 	int status = 0;
6155 	u8 *ver_p = version;
6156 	u16 remain_len = len;
6157 	if (version == NULL || params == NULL)
6158 		return -EINVAL;
6159 	bp = params->bp;
6160 
6161 	/* Extract first external phy*/
6162 	version[0] = '\0';
6163 	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6164 
6165 	if (params->phy[EXT_PHY1].format_fw_ver) {
6166 		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6167 							      ver_p,
6168 							      &remain_len);
6169 		ver_p += (len - remain_len);
6170 	}
6171 	if ((params->num_phys == MAX_PHYS) &&
6172 	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6173 		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6174 		if (params->phy[EXT_PHY2].format_fw_ver) {
6175 			*ver_p = '/';
6176 			ver_p++;
6177 			remain_len--;
6178 			status |= params->phy[EXT_PHY2].format_fw_ver(
6179 				spirom_ver,
6180 				ver_p,
6181 				&remain_len);
6182 			ver_p = version + (len - remain_len);
6183 		}
6184 	}
6185 	*ver_p = '\0';
6186 	return status;
6187 }
6188 
6189 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6190 				    struct link_params *params)
6191 {
6192 	u8 port = params->port;
6193 	struct bnx2x *bp = params->bp;
6194 
6195 	if (phy->req_line_speed != SPEED_1000) {
6196 		u32 md_devad = 0;
6197 
6198 		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6199 
6200 		if (!CHIP_IS_E3(bp)) {
6201 			/* Change the uni_phy_addr in the nig */
6202 			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6203 					       port*0x18));
6204 
6205 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6206 			       0x5);
6207 		}
6208 
6209 		bnx2x_cl45_write(bp, phy,
6210 				 5,
6211 				 (MDIO_REG_BANK_AER_BLOCK +
6212 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6213 				 0x2800);
6214 
6215 		bnx2x_cl45_write(bp, phy,
6216 				 5,
6217 				 (MDIO_REG_BANK_CL73_IEEEB0 +
6218 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6219 				 0x6041);
6220 		msleep(200);
6221 		/* Set aer mmd back */
6222 		bnx2x_set_aer_mmd(params, phy);
6223 
6224 		if (!CHIP_IS_E3(bp)) {
6225 			/* And md_devad */
6226 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6227 			       md_devad);
6228 		}
6229 	} else {
6230 		u16 mii_ctrl;
6231 		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6232 		bnx2x_cl45_read(bp, phy, 5,
6233 				(MDIO_REG_BANK_COMBO_IEEE0 +
6234 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6235 				&mii_ctrl);
6236 		bnx2x_cl45_write(bp, phy, 5,
6237 				 (MDIO_REG_BANK_COMBO_IEEE0 +
6238 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6239 				 mii_ctrl |
6240 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6241 	}
6242 }
6243 
6244 int bnx2x_set_led(struct link_params *params,
6245 		  struct link_vars *vars, u8 mode, u32 speed)
6246 {
6247 	u8 port = params->port;
6248 	u16 hw_led_mode = params->hw_led_mode;
6249 	int rc = 0;
6250 	u8 phy_idx;
6251 	u32 tmp;
6252 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6253 	struct bnx2x *bp = params->bp;
6254 	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6255 	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6256 		 speed, hw_led_mode);
6257 	/* In case */
6258 	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6259 		if (params->phy[phy_idx].set_link_led) {
6260 			params->phy[phy_idx].set_link_led(
6261 				&params->phy[phy_idx], params, mode);
6262 		}
6263 	}
6264 
6265 	switch (mode) {
6266 	case LED_MODE_FRONT_PANEL_OFF:
6267 	case LED_MODE_OFF:
6268 		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6269 		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6270 		       SHARED_HW_CFG_LED_MAC1);
6271 
6272 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6273 		if (params->phy[EXT_PHY1].type ==
6274 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6275 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6276 				EMAC_LED_100MB_OVERRIDE |
6277 				EMAC_LED_10MB_OVERRIDE);
6278 		else
6279 			tmp |= EMAC_LED_OVERRIDE;
6280 
6281 		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6282 		break;
6283 
6284 	case LED_MODE_OPER:
6285 		/* For all other phys, OPER mode is same as ON, so in case
6286 		 * link is down, do nothing
6287 		 */
6288 		if (!vars->link_up)
6289 			break;
6290 	case LED_MODE_ON:
6291 		if (((params->phy[EXT_PHY1].type ==
6292 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6293 			 (params->phy[EXT_PHY1].type ==
6294 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6295 		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6296 			/* This is a work-around for E2+8727 Configurations */
6297 			if (mode == LED_MODE_ON ||
6298 				speed == SPEED_10000){
6299 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6300 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6301 
6302 				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6303 				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6304 					(tmp | EMAC_LED_OVERRIDE));
6305 				/* Return here without enabling traffic
6306 				 * LED blink and setting rate in ON mode.
6307 				 * In oper mode, enabling LED blink
6308 				 * and setting rate is needed.
6309 				 */
6310 				if (mode == LED_MODE_ON)
6311 					return rc;
6312 			}
6313 		} else if (SINGLE_MEDIA_DIRECT(params)) {
6314 			/* This is a work-around for HW issue found when link
6315 			 * is up in CL73
6316 			 */
6317 			if ((!CHIP_IS_E3(bp)) ||
6318 			    (CHIP_IS_E3(bp) &&
6319 			     mode == LED_MODE_ON))
6320 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6321 
6322 			if (CHIP_IS_E1x(bp) ||
6323 			    CHIP_IS_E2(bp) ||
6324 			    (mode == LED_MODE_ON))
6325 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6326 			else
6327 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6328 				       hw_led_mode);
6329 		} else if ((params->phy[EXT_PHY1].type ==
6330 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6331 			   (mode == LED_MODE_ON)) {
6332 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6333 			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6334 			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6335 				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6336 			/* Break here; otherwise, it'll disable the
6337 			 * intended override.
6338 			 */
6339 			break;
6340 		} else {
6341 			u32 nig_led_mode = ((params->hw_led_mode <<
6342 					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
6343 					    SHARED_HW_CFG_LED_EXTPHY2) ?
6344 				(SHARED_HW_CFG_LED_PHY1 >>
6345 				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6346 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6347 			       nig_led_mode);
6348 		}
6349 
6350 		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6351 		/* Set blinking rate to ~15.9Hz */
6352 		if (CHIP_IS_E3(bp))
6353 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6354 			       LED_BLINK_RATE_VAL_E3);
6355 		else
6356 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6357 			       LED_BLINK_RATE_VAL_E1X_E2);
6358 		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6359 		       port*4, 1);
6360 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6361 		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6362 			(tmp & (~EMAC_LED_OVERRIDE)));
6363 
6364 		if (CHIP_IS_E1(bp) &&
6365 		    ((speed == SPEED_2500) ||
6366 		     (speed == SPEED_1000) ||
6367 		     (speed == SPEED_100) ||
6368 		     (speed == SPEED_10))) {
6369 			/* For speeds less than 10G LED scheme is different */
6370 			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6371 			       + port*4, 1);
6372 			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6373 			       port*4, 0);
6374 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6375 			       port*4, 1);
6376 		}
6377 		break;
6378 
6379 	default:
6380 		rc = -EINVAL;
6381 		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6382 			 mode);
6383 		break;
6384 	}
6385 	return rc;
6386 
6387 }
6388 
6389 /* This function comes to reflect the actual link state read DIRECTLY from the
6390  * HW
6391  */
6392 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6393 		    u8 is_serdes)
6394 {
6395 	struct bnx2x *bp = params->bp;
6396 	u16 gp_status = 0, phy_index = 0;
6397 	u8 ext_phy_link_up = 0, serdes_phy_type;
6398 	struct link_vars temp_vars;
6399 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6400 
6401 	if (CHIP_IS_E3(bp)) {
6402 		u16 link_up;
6403 		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6404 		    > SPEED_10000) {
6405 			/* Check 20G link */
6406 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6407 					1, &link_up);
6408 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6409 					1, &link_up);
6410 			link_up &= (1<<2);
6411 		} else {
6412 			/* Check 10G link and below*/
6413 			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6414 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6415 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6416 					&gp_status);
6417 			gp_status = ((gp_status >> 8) & 0xf) |
6418 				((gp_status >> 12) & 0xf);
6419 			link_up = gp_status & (1 << lane);
6420 		}
6421 		if (!link_up)
6422 			return -ESRCH;
6423 	} else {
6424 		CL22_RD_OVER_CL45(bp, int_phy,
6425 			  MDIO_REG_BANK_GP_STATUS,
6426 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6427 			  &gp_status);
6428 	/* Link is up only if both local phy and external phy are up */
6429 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6430 		return -ESRCH;
6431 	}
6432 	/* In XGXS loopback mode, do not check external PHY */
6433 	if (params->loopback_mode == LOOPBACK_XGXS)
6434 		return 0;
6435 
6436 	switch (params->num_phys) {
6437 	case 1:
6438 		/* No external PHY */
6439 		return 0;
6440 	case 2:
6441 		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6442 			&params->phy[EXT_PHY1],
6443 			params, &temp_vars);
6444 		break;
6445 	case 3: /* Dual Media */
6446 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6447 		      phy_index++) {
6448 			serdes_phy_type = ((params->phy[phy_index].media_type ==
6449 					    ETH_PHY_SFPP_10G_FIBER) ||
6450 					   (params->phy[phy_index].media_type ==
6451 					    ETH_PHY_SFP_1G_FIBER) ||
6452 					   (params->phy[phy_index].media_type ==
6453 					    ETH_PHY_XFP_FIBER) ||
6454 					   (params->phy[phy_index].media_type ==
6455 					    ETH_PHY_DA_TWINAX));
6456 
6457 			if (is_serdes != serdes_phy_type)
6458 				continue;
6459 			if (params->phy[phy_index].read_status) {
6460 				ext_phy_link_up |=
6461 					params->phy[phy_index].read_status(
6462 						&params->phy[phy_index],
6463 						params, &temp_vars);
6464 			}
6465 		}
6466 		break;
6467 	}
6468 	if (ext_phy_link_up)
6469 		return 0;
6470 	return -ESRCH;
6471 }
6472 
6473 static int bnx2x_link_initialize(struct link_params *params,
6474 				 struct link_vars *vars)
6475 {
6476 	int rc = 0;
6477 	u8 phy_index, non_ext_phy;
6478 	struct bnx2x *bp = params->bp;
6479 	/* In case of external phy existence, the line speed would be the
6480 	 * line speed linked up by the external phy. In case it is direct
6481 	 * only, then the line_speed during initialization will be
6482 	 * equal to the req_line_speed
6483 	 */
6484 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6485 
6486 	/* Initialize the internal phy in case this is a direct board
6487 	 * (no external phys), or this board has external phy which requires
6488 	 * to first.
6489 	 */
6490 	if (!USES_WARPCORE(bp))
6491 		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6492 	/* init ext phy and enable link state int */
6493 	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6494 		       (params->loopback_mode == LOOPBACK_XGXS));
6495 
6496 	if (non_ext_phy ||
6497 	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6498 	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6499 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6500 		if (vars->line_speed == SPEED_AUTO_NEG &&
6501 		    (CHIP_IS_E1x(bp) ||
6502 		     CHIP_IS_E2(bp)))
6503 			bnx2x_set_parallel_detection(phy, params);
6504 		if (params->phy[INT_PHY].config_init)
6505 			params->phy[INT_PHY].config_init(phy, params, vars);
6506 	}
6507 
6508 	/* Re-read this value in case it was changed inside config_init due to
6509 	 * limitations of optic module
6510 	 */
6511 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6512 
6513 	/* Init external phy*/
6514 	if (non_ext_phy) {
6515 		if (params->phy[INT_PHY].supported &
6516 		    SUPPORTED_FIBRE)
6517 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6518 	} else {
6519 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6520 		      phy_index++) {
6521 			/* No need to initialize second phy in case of first
6522 			 * phy only selection. In case of second phy, we do
6523 			 * need to initialize the first phy, since they are
6524 			 * connected.
6525 			 */
6526 			if (params->phy[phy_index].supported &
6527 			    SUPPORTED_FIBRE)
6528 				vars->link_status |= LINK_STATUS_SERDES_LINK;
6529 
6530 			if (phy_index == EXT_PHY2 &&
6531 			    (bnx2x_phy_selection(params) ==
6532 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6533 				DP(NETIF_MSG_LINK,
6534 				   "Not initializing second phy\n");
6535 				continue;
6536 			}
6537 			params->phy[phy_index].config_init(
6538 				&params->phy[phy_index],
6539 				params, vars);
6540 		}
6541 	}
6542 	/* Reset the interrupt indication after phy was initialized */
6543 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6544 		       params->port*4,
6545 		       (NIG_STATUS_XGXS0_LINK10G |
6546 			NIG_STATUS_XGXS0_LINK_STATUS |
6547 			NIG_STATUS_SERDES0_LINK_STATUS |
6548 			NIG_MASK_MI_INT));
6549 	return rc;
6550 }
6551 
6552 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6553 				 struct link_params *params)
6554 {
6555 	/* Reset the SerDes/XGXS */
6556 	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6557 	       (0x1ff << (params->port*16)));
6558 }
6559 
6560 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6561 					struct link_params *params)
6562 {
6563 	struct bnx2x *bp = params->bp;
6564 	u8 gpio_port;
6565 	/* HW reset */
6566 	if (CHIP_IS_E2(bp))
6567 		gpio_port = BP_PATH(bp);
6568 	else
6569 		gpio_port = params->port;
6570 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6571 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6572 		       gpio_port);
6573 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6574 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6575 		       gpio_port);
6576 	DP(NETIF_MSG_LINK, "reset external PHY\n");
6577 }
6578 
6579 static int bnx2x_update_link_down(struct link_params *params,
6580 				  struct link_vars *vars)
6581 {
6582 	struct bnx2x *bp = params->bp;
6583 	u8 port = params->port;
6584 
6585 	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6586 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6587 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6588 	/* Indicate no mac active */
6589 	vars->mac_type = MAC_TYPE_NONE;
6590 
6591 	/* Update shared memory */
6592 	vars->link_status &= ~LINK_UPDATE_MASK;
6593 	vars->line_speed = 0;
6594 	bnx2x_update_mng(params, vars->link_status);
6595 
6596 	/* Activate nig drain */
6597 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6598 
6599 	/* Disable emac */
6600 	if (!CHIP_IS_E3(bp))
6601 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6602 
6603 	usleep_range(10000, 20000);
6604 	/* Reset BigMac/Xmac */
6605 	if (CHIP_IS_E1x(bp) ||
6606 	    CHIP_IS_E2(bp))
6607 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6608 
6609 	if (CHIP_IS_E3(bp)) {
6610 		/* Prevent LPI Generation by chip */
6611 		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6612 		       0);
6613 		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6614 		       0);
6615 		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6616 				      SHMEM_EEE_ACTIVE_BIT);
6617 
6618 		bnx2x_update_mng_eee(params, vars->eee_status);
6619 		bnx2x_set_xmac_rxtx(params, 0);
6620 		bnx2x_set_umac_rxtx(params, 0);
6621 	}
6622 
6623 	return 0;
6624 }
6625 
6626 static int bnx2x_update_link_up(struct link_params *params,
6627 				struct link_vars *vars,
6628 				u8 link_10g)
6629 {
6630 	struct bnx2x *bp = params->bp;
6631 	u8 phy_idx, port = params->port;
6632 	int rc = 0;
6633 
6634 	vars->link_status |= (LINK_STATUS_LINK_UP |
6635 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6636 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6637 
6638 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6639 		vars->link_status |=
6640 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6641 
6642 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6643 		vars->link_status |=
6644 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6645 	if (USES_WARPCORE(bp)) {
6646 		if (link_10g) {
6647 			if (bnx2x_xmac_enable(params, vars, 0) ==
6648 			    -ESRCH) {
6649 				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6650 				vars->link_up = 0;
6651 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6652 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6653 			}
6654 		} else
6655 			bnx2x_umac_enable(params, vars, 0);
6656 		bnx2x_set_led(params, vars,
6657 			      LED_MODE_OPER, vars->line_speed);
6658 
6659 		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6660 		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6661 			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6662 			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6663 			       (params->port << 2), 1);
6664 			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6665 			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6666 			       (params->port << 2), 0xfc20);
6667 		}
6668 	}
6669 	if ((CHIP_IS_E1x(bp) ||
6670 	     CHIP_IS_E2(bp))) {
6671 		if (link_10g) {
6672 			if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6673 			    -ESRCH) {
6674 				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6675 				vars->link_up = 0;
6676 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6677 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6678 			}
6679 
6680 			bnx2x_set_led(params, vars,
6681 				      LED_MODE_OPER, SPEED_10000);
6682 		} else {
6683 			rc = bnx2x_emac_program(params, vars);
6684 			bnx2x_emac_enable(params, vars, 0);
6685 
6686 			/* AN complete? */
6687 			if ((vars->link_status &
6688 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6689 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6690 			    SINGLE_MEDIA_DIRECT(params))
6691 				bnx2x_set_gmii_tx_driver(params);
6692 		}
6693 	}
6694 
6695 	/* PBF - link up */
6696 	if (CHIP_IS_E1x(bp))
6697 		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6698 				       vars->line_speed);
6699 
6700 	/* Disable drain */
6701 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6702 
6703 	/* Update shared memory */
6704 	bnx2x_update_mng(params, vars->link_status);
6705 	bnx2x_update_mng_eee(params, vars->eee_status);
6706 	/* Check remote fault */
6707 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6708 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6709 			bnx2x_check_half_open_conn(params, vars, 0);
6710 			break;
6711 		}
6712 	}
6713 	msleep(20);
6714 	return rc;
6715 }
6716 /* The bnx2x_link_update function should be called upon link
6717  * interrupt.
6718  * Link is considered up as follows:
6719  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6720  *   to be up
6721  * - SINGLE_MEDIA - The link between the 577xx and the external
6722  *   phy (XGXS) need to up as well as the external link of the
6723  *   phy (PHY_EXT1)
6724  * - DUAL_MEDIA - The link between the 577xx and the first
6725  *   external phy needs to be up, and at least one of the 2
6726  *   external phy link must be up.
6727  */
6728 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6729 {
6730 	struct bnx2x *bp = params->bp;
6731 	struct link_vars phy_vars[MAX_PHYS];
6732 	u8 port = params->port;
6733 	u8 link_10g_plus, phy_index;
6734 	u8 ext_phy_link_up = 0, cur_link_up;
6735 	int rc = 0;
6736 	u8 is_mi_int = 0;
6737 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6738 	u8 active_external_phy = INT_PHY;
6739 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6740 	vars->link_status &= ~LINK_UPDATE_MASK;
6741 	for (phy_index = INT_PHY; phy_index < params->num_phys;
6742 	      phy_index++) {
6743 		phy_vars[phy_index].flow_ctrl = 0;
6744 		phy_vars[phy_index].link_status = 0;
6745 		phy_vars[phy_index].line_speed = 0;
6746 		phy_vars[phy_index].duplex = DUPLEX_FULL;
6747 		phy_vars[phy_index].phy_link_up = 0;
6748 		phy_vars[phy_index].link_up = 0;
6749 		phy_vars[phy_index].fault_detected = 0;
6750 		/* different consideration, since vars holds inner state */
6751 		phy_vars[phy_index].eee_status = vars->eee_status;
6752 	}
6753 
6754 	if (USES_WARPCORE(bp))
6755 		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6756 
6757 	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6758 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6759 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6760 
6761 	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6762 				port*0x18) > 0);
6763 	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6764 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6765 		 is_mi_int,
6766 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6767 
6768 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6769 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6770 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6771 
6772 	/* Disable emac */
6773 	if (!CHIP_IS_E3(bp))
6774 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6775 
6776 	/* Step 1:
6777 	 * Check external link change only for external phys, and apply
6778 	 * priority selection between them in case the link on both phys
6779 	 * is up. Note that instead of the common vars, a temporary
6780 	 * vars argument is used since each phy may have different link/
6781 	 * speed/duplex result
6782 	 */
6783 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6784 	      phy_index++) {
6785 		struct bnx2x_phy *phy = &params->phy[phy_index];
6786 		if (!phy->read_status)
6787 			continue;
6788 		/* Read link status and params of this ext phy */
6789 		cur_link_up = phy->read_status(phy, params,
6790 					       &phy_vars[phy_index]);
6791 		if (cur_link_up) {
6792 			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6793 				   phy_index);
6794 		} else {
6795 			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6796 				   phy_index);
6797 			continue;
6798 		}
6799 
6800 		if (!ext_phy_link_up) {
6801 			ext_phy_link_up = 1;
6802 			active_external_phy = phy_index;
6803 		} else {
6804 			switch (bnx2x_phy_selection(params)) {
6805 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6806 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6807 			/* In this option, the first PHY makes sure to pass the
6808 			 * traffic through itself only.
6809 			 * Its not clear how to reset the link on the second phy
6810 			 */
6811 				active_external_phy = EXT_PHY1;
6812 				break;
6813 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6814 			/* In this option, the first PHY makes sure to pass the
6815 			 * traffic through the second PHY.
6816 			 */
6817 				active_external_phy = EXT_PHY2;
6818 				break;
6819 			default:
6820 			/* Link indication on both PHYs with the following cases
6821 			 * is invalid:
6822 			 * - FIRST_PHY means that second phy wasn't initialized,
6823 			 * hence its link is expected to be down
6824 			 * - SECOND_PHY means that first phy should not be able
6825 			 * to link up by itself (using configuration)
6826 			 * - DEFAULT should be overriden during initialiazation
6827 			 */
6828 				DP(NETIF_MSG_LINK, "Invalid link indication"
6829 					   "mpc=0x%x. DISABLING LINK !!!\n",
6830 					   params->multi_phy_config);
6831 				ext_phy_link_up = 0;
6832 				break;
6833 			}
6834 		}
6835 	}
6836 	prev_line_speed = vars->line_speed;
6837 	/* Step 2:
6838 	 * Read the status of the internal phy. In case of
6839 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6840 	 * otherwise this is the link between the 577xx and the first
6841 	 * external phy
6842 	 */
6843 	if (params->phy[INT_PHY].read_status)
6844 		params->phy[INT_PHY].read_status(
6845 			&params->phy[INT_PHY],
6846 			params, vars);
6847 	/* The INT_PHY flow control reside in the vars. This include the
6848 	 * case where the speed or flow control are not set to AUTO.
6849 	 * Otherwise, the active external phy flow control result is set
6850 	 * to the vars. The ext_phy_line_speed is needed to check if the
6851 	 * speed is different between the internal phy and external phy.
6852 	 * This case may be result of intermediate link speed change.
6853 	 */
6854 	if (active_external_phy > INT_PHY) {
6855 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6856 		/* Link speed is taken from the XGXS. AN and FC result from
6857 		 * the external phy.
6858 		 */
6859 		vars->link_status |= phy_vars[active_external_phy].link_status;
6860 
6861 		/* if active_external_phy is first PHY and link is up - disable
6862 		 * disable TX on second external PHY
6863 		 */
6864 		if (active_external_phy == EXT_PHY1) {
6865 			if (params->phy[EXT_PHY2].phy_specific_func) {
6866 				DP(NETIF_MSG_LINK,
6867 				   "Disabling TX on EXT_PHY2\n");
6868 				params->phy[EXT_PHY2].phy_specific_func(
6869 					&params->phy[EXT_PHY2],
6870 					params, DISABLE_TX);
6871 			}
6872 		}
6873 
6874 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6875 		vars->duplex = phy_vars[active_external_phy].duplex;
6876 		if (params->phy[active_external_phy].supported &
6877 		    SUPPORTED_FIBRE)
6878 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6879 		else
6880 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6881 
6882 		vars->eee_status = phy_vars[active_external_phy].eee_status;
6883 
6884 		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6885 			   active_external_phy);
6886 	}
6887 
6888 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6889 	      phy_index++) {
6890 		if (params->phy[phy_index].flags &
6891 		    FLAGS_REARM_LATCH_SIGNAL) {
6892 			bnx2x_rearm_latch_signal(bp, port,
6893 						 phy_index ==
6894 						 active_external_phy);
6895 			break;
6896 		}
6897 	}
6898 	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6899 		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6900 		   vars->link_status, ext_phy_line_speed);
6901 	/* Upon link speed change set the NIG into drain mode. Comes to
6902 	 * deals with possible FIFO glitch due to clk change when speed
6903 	 * is decreased without link down indicator
6904 	 */
6905 
6906 	if (vars->phy_link_up) {
6907 		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6908 		    (ext_phy_line_speed != vars->line_speed)) {
6909 			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6910 				   " different than the external"
6911 				   " link speed %d\n", vars->line_speed,
6912 				   ext_phy_line_speed);
6913 			vars->phy_link_up = 0;
6914 		} else if (prev_line_speed != vars->line_speed) {
6915 			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6916 			       0);
6917 			usleep_range(1000, 2000);
6918 		}
6919 	}
6920 
6921 	/* Anything 10 and over uses the bmac */
6922 	link_10g_plus = (vars->line_speed >= SPEED_10000);
6923 
6924 	bnx2x_link_int_ack(params, vars, link_10g_plus);
6925 
6926 	/* In case external phy link is up, and internal link is down
6927 	 * (not initialized yet probably after link initialization, it
6928 	 * needs to be initialized.
6929 	 * Note that after link down-up as result of cable plug, the xgxs
6930 	 * link would probably become up again without the need
6931 	 * initialize it
6932 	 */
6933 	if (!(SINGLE_MEDIA_DIRECT(params))) {
6934 		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6935 			   " init_preceding = %d\n", ext_phy_link_up,
6936 			   vars->phy_link_up,
6937 			   params->phy[EXT_PHY1].flags &
6938 			   FLAGS_INIT_XGXS_FIRST);
6939 		if (!(params->phy[EXT_PHY1].flags &
6940 		      FLAGS_INIT_XGXS_FIRST)
6941 		    && ext_phy_link_up && !vars->phy_link_up) {
6942 			vars->line_speed = ext_phy_line_speed;
6943 			if (vars->line_speed < SPEED_1000)
6944 				vars->phy_flags |= PHY_SGMII_FLAG;
6945 			else
6946 				vars->phy_flags &= ~PHY_SGMII_FLAG;
6947 
6948 			if (params->phy[INT_PHY].config_init)
6949 				params->phy[INT_PHY].config_init(
6950 					&params->phy[INT_PHY], params,
6951 						vars);
6952 		}
6953 	}
6954 	/* Link is up only if both local phy and external phy (in case of
6955 	 * non-direct board) are up and no fault detected on active PHY.
6956 	 */
6957 	vars->link_up = (vars->phy_link_up &&
6958 			 (ext_phy_link_up ||
6959 			  SINGLE_MEDIA_DIRECT(params)) &&
6960 			 (phy_vars[active_external_phy].fault_detected == 0));
6961 
6962 	/* Update the PFC configuration in case it was changed */
6963 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6964 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
6965 	else
6966 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6967 
6968 	if (vars->link_up)
6969 		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6970 	else
6971 		rc = bnx2x_update_link_down(params, vars);
6972 
6973 	/* Update MCP link status was changed */
6974 	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6975 		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6976 
6977 	return rc;
6978 }
6979 
6980 /*****************************************************************************/
6981 /*			    External Phy section			     */
6982 /*****************************************************************************/
6983 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
6984 {
6985 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6986 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6987 	usleep_range(1000, 2000);
6988 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6989 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
6990 }
6991 
6992 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6993 				      u32 spirom_ver, u32 ver_addr)
6994 {
6995 	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6996 		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6997 
6998 	if (ver_addr)
6999 		REG_WR(bp, ver_addr, spirom_ver);
7000 }
7001 
7002 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7003 				      struct bnx2x_phy *phy,
7004 				      u8 port)
7005 {
7006 	u16 fw_ver1, fw_ver2;
7007 
7008 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7009 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7010 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7011 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7012 	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7013 				  phy->ver_addr);
7014 }
7015 
7016 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7017 				       struct bnx2x_phy *phy,
7018 				       struct link_vars *vars)
7019 {
7020 	u16 val;
7021 	bnx2x_cl45_read(bp, phy,
7022 			MDIO_AN_DEVAD,
7023 			MDIO_AN_REG_STATUS, &val);
7024 	bnx2x_cl45_read(bp, phy,
7025 			MDIO_AN_DEVAD,
7026 			MDIO_AN_REG_STATUS, &val);
7027 	if (val & (1<<5))
7028 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7029 	if ((val & (1<<0)) == 0)
7030 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7031 }
7032 
7033 /******************************************************************/
7034 /*		common BCM8073/BCM8727 PHY SECTION		  */
7035 /******************************************************************/
7036 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7037 				  struct link_params *params,
7038 				  struct link_vars *vars)
7039 {
7040 	struct bnx2x *bp = params->bp;
7041 	if (phy->req_line_speed == SPEED_10 ||
7042 	    phy->req_line_speed == SPEED_100) {
7043 		vars->flow_ctrl = phy->req_flow_ctrl;
7044 		return;
7045 	}
7046 
7047 	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7048 	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7049 		u16 pause_result;
7050 		u16 ld_pause;		/* local */
7051 		u16 lp_pause;		/* link partner */
7052 		bnx2x_cl45_read(bp, phy,
7053 				MDIO_AN_DEVAD,
7054 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7055 
7056 		bnx2x_cl45_read(bp, phy,
7057 				MDIO_AN_DEVAD,
7058 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7059 		pause_result = (ld_pause &
7060 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7061 		pause_result |= (lp_pause &
7062 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7063 
7064 		bnx2x_pause_resolve(vars, pause_result);
7065 		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7066 			   pause_result);
7067 	}
7068 }
7069 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7070 					     struct bnx2x_phy *phy,
7071 					     u8 port)
7072 {
7073 	u32 count = 0;
7074 	u16 fw_ver1, fw_msgout;
7075 	int rc = 0;
7076 
7077 	/* Boot port from external ROM  */
7078 	/* EDC grst */
7079 	bnx2x_cl45_write(bp, phy,
7080 			 MDIO_PMA_DEVAD,
7081 			 MDIO_PMA_REG_GEN_CTRL,
7082 			 0x0001);
7083 
7084 	/* Ucode reboot and rst */
7085 	bnx2x_cl45_write(bp, phy,
7086 			 MDIO_PMA_DEVAD,
7087 			 MDIO_PMA_REG_GEN_CTRL,
7088 			 0x008c);
7089 
7090 	bnx2x_cl45_write(bp, phy,
7091 			 MDIO_PMA_DEVAD,
7092 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7093 
7094 	/* Reset internal microprocessor */
7095 	bnx2x_cl45_write(bp, phy,
7096 			 MDIO_PMA_DEVAD,
7097 			 MDIO_PMA_REG_GEN_CTRL,
7098 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7099 
7100 	/* Release srst bit */
7101 	bnx2x_cl45_write(bp, phy,
7102 			 MDIO_PMA_DEVAD,
7103 			 MDIO_PMA_REG_GEN_CTRL,
7104 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7105 
7106 	/* Delay 100ms per the PHY specifications */
7107 	msleep(100);
7108 
7109 	/* 8073 sometimes taking longer to download */
7110 	do {
7111 		count++;
7112 		if (count > 300) {
7113 			DP(NETIF_MSG_LINK,
7114 				 "bnx2x_8073_8727_external_rom_boot port %x:"
7115 				 "Download failed. fw version = 0x%x\n",
7116 				 port, fw_ver1);
7117 			rc = -EINVAL;
7118 			break;
7119 		}
7120 
7121 		bnx2x_cl45_read(bp, phy,
7122 				MDIO_PMA_DEVAD,
7123 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7124 		bnx2x_cl45_read(bp, phy,
7125 				MDIO_PMA_DEVAD,
7126 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7127 
7128 		usleep_range(1000, 2000);
7129 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7130 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7131 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7132 
7133 	/* Clear ser_boot_ctl bit */
7134 	bnx2x_cl45_write(bp, phy,
7135 			 MDIO_PMA_DEVAD,
7136 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7137 	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7138 
7139 	DP(NETIF_MSG_LINK,
7140 		 "bnx2x_8073_8727_external_rom_boot port %x:"
7141 		 "Download complete. fw version = 0x%x\n",
7142 		 port, fw_ver1);
7143 
7144 	return rc;
7145 }
7146 
7147 /******************************************************************/
7148 /*			BCM8073 PHY SECTION			  */
7149 /******************************************************************/
7150 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7151 {
7152 	/* This is only required for 8073A1, version 102 only */
7153 	u16 val;
7154 
7155 	/* Read 8073 HW revision*/
7156 	bnx2x_cl45_read(bp, phy,
7157 			MDIO_PMA_DEVAD,
7158 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7159 
7160 	if (val != 1) {
7161 		/* No need to workaround in 8073 A1 */
7162 		return 0;
7163 	}
7164 
7165 	bnx2x_cl45_read(bp, phy,
7166 			MDIO_PMA_DEVAD,
7167 			MDIO_PMA_REG_ROM_VER2, &val);
7168 
7169 	/* SNR should be applied only for version 0x102 */
7170 	if (val != 0x102)
7171 		return 0;
7172 
7173 	return 1;
7174 }
7175 
7176 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7177 {
7178 	u16 val, cnt, cnt1 ;
7179 
7180 	bnx2x_cl45_read(bp, phy,
7181 			MDIO_PMA_DEVAD,
7182 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7183 
7184 	if (val > 0) {
7185 		/* No need to workaround in 8073 A1 */
7186 		return 0;
7187 	}
7188 	/* XAUI workaround in 8073 A0: */
7189 
7190 	/* After loading the boot ROM and restarting Autoneg, poll
7191 	 * Dev1, Reg $C820:
7192 	 */
7193 
7194 	for (cnt = 0; cnt < 1000; cnt++) {
7195 		bnx2x_cl45_read(bp, phy,
7196 				MDIO_PMA_DEVAD,
7197 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7198 				&val);
7199 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7200 		   * system initialization (XAUI work-around not required, as
7201 		   * these bits indicate 2.5G or 1G link up).
7202 		   */
7203 		if (!(val & (1<<14)) || !(val & (1<<13))) {
7204 			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7205 			return 0;
7206 		} else if (!(val & (1<<15))) {
7207 			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7208 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7209 			 * MSB (bit15) goes to 1 (indicating that the XAUI
7210 			 * workaround has completed), then continue on with
7211 			 * system initialization.
7212 			 */
7213 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7214 				bnx2x_cl45_read(bp, phy,
7215 					MDIO_PMA_DEVAD,
7216 					MDIO_PMA_REG_8073_XAUI_WA, &val);
7217 				if (val & (1<<15)) {
7218 					DP(NETIF_MSG_LINK,
7219 					  "XAUI workaround has completed\n");
7220 					return 0;
7221 				 }
7222 				 usleep_range(3000, 6000);
7223 			}
7224 			break;
7225 		}
7226 		usleep_range(3000, 6000);
7227 	}
7228 	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7229 	return -EINVAL;
7230 }
7231 
7232 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7233 {
7234 	/* Force KR or KX */
7235 	bnx2x_cl45_write(bp, phy,
7236 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7237 	bnx2x_cl45_write(bp, phy,
7238 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7239 	bnx2x_cl45_write(bp, phy,
7240 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7241 	bnx2x_cl45_write(bp, phy,
7242 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7243 }
7244 
7245 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7246 				      struct bnx2x_phy *phy,
7247 				      struct link_vars *vars)
7248 {
7249 	u16 cl37_val;
7250 	struct bnx2x *bp = params->bp;
7251 	bnx2x_cl45_read(bp, phy,
7252 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7253 
7254 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7255 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7256 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7257 	if ((vars->ieee_fc &
7258 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7259 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7260 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7261 	}
7262 	if ((vars->ieee_fc &
7263 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7264 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7265 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7266 	}
7267 	if ((vars->ieee_fc &
7268 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7269 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7270 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7271 	}
7272 	DP(NETIF_MSG_LINK,
7273 		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7274 
7275 	bnx2x_cl45_write(bp, phy,
7276 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7277 	msleep(500);
7278 }
7279 
7280 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7281 				     struct link_params *params,
7282 				     u32 action)
7283 {
7284 	struct bnx2x *bp = params->bp;
7285 	switch (action) {
7286 	case PHY_INIT:
7287 		/* Enable LASI */
7288 		bnx2x_cl45_write(bp, phy,
7289 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7290 		bnx2x_cl45_write(bp, phy,
7291 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7292 		break;
7293 	}
7294 }
7295 
7296 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7297 				  struct link_params *params,
7298 				  struct link_vars *vars)
7299 {
7300 	struct bnx2x *bp = params->bp;
7301 	u16 val = 0, tmp1;
7302 	u8 gpio_port;
7303 	DP(NETIF_MSG_LINK, "Init 8073\n");
7304 
7305 	if (CHIP_IS_E2(bp))
7306 		gpio_port = BP_PATH(bp);
7307 	else
7308 		gpio_port = params->port;
7309 	/* Restore normal power mode*/
7310 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7311 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7312 
7313 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7314 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7315 
7316 	bnx2x_8073_specific_func(phy, params, PHY_INIT);
7317 	bnx2x_8073_set_pause_cl37(params, phy, vars);
7318 
7319 	bnx2x_cl45_read(bp, phy,
7320 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7321 
7322 	bnx2x_cl45_read(bp, phy,
7323 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7324 
7325 	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7326 
7327 	/* Swap polarity if required - Must be done only in non-1G mode */
7328 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7329 		/* Configure the 8073 to swap _P and _N of the KR lines */
7330 		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7331 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7332 		bnx2x_cl45_read(bp, phy,
7333 				MDIO_PMA_DEVAD,
7334 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7335 		bnx2x_cl45_write(bp, phy,
7336 				 MDIO_PMA_DEVAD,
7337 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7338 				 (val | (3<<9)));
7339 	}
7340 
7341 
7342 	/* Enable CL37 BAM */
7343 	if (REG_RD(bp, params->shmem_base +
7344 			 offsetof(struct shmem_region, dev_info.
7345 				  port_hw_config[params->port].default_cfg)) &
7346 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7347 
7348 		bnx2x_cl45_read(bp, phy,
7349 				MDIO_AN_DEVAD,
7350 				MDIO_AN_REG_8073_BAM, &val);
7351 		bnx2x_cl45_write(bp, phy,
7352 				 MDIO_AN_DEVAD,
7353 				 MDIO_AN_REG_8073_BAM, val | 1);
7354 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7355 	}
7356 	if (params->loopback_mode == LOOPBACK_EXT) {
7357 		bnx2x_807x_force_10G(bp, phy);
7358 		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7359 		return 0;
7360 	} else {
7361 		bnx2x_cl45_write(bp, phy,
7362 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7363 	}
7364 	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7365 		if (phy->req_line_speed == SPEED_10000) {
7366 			val = (1<<7);
7367 		} else if (phy->req_line_speed ==  SPEED_2500) {
7368 			val = (1<<5);
7369 			/* Note that 2.5G works only when used with 1G
7370 			 * advertisement
7371 			 */
7372 		} else
7373 			val = (1<<5);
7374 	} else {
7375 		val = 0;
7376 		if (phy->speed_cap_mask &
7377 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7378 			val |= (1<<7);
7379 
7380 		/* Note that 2.5G works only when used with 1G advertisement */
7381 		if (phy->speed_cap_mask &
7382 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7383 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7384 			val |= (1<<5);
7385 		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7386 	}
7387 
7388 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7389 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7390 
7391 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7392 	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7393 	    (phy->req_line_speed == SPEED_2500)) {
7394 		u16 phy_ver;
7395 		/* Allow 2.5G for A1 and above */
7396 		bnx2x_cl45_read(bp, phy,
7397 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7398 				&phy_ver);
7399 		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7400 		if (phy_ver > 0)
7401 			tmp1 |= 1;
7402 		else
7403 			tmp1 &= 0xfffe;
7404 	} else {
7405 		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7406 		tmp1 &= 0xfffe;
7407 	}
7408 
7409 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7410 	/* Add support for CL37 (passive mode) II */
7411 
7412 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7413 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7414 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7415 				  0x20 : 0x40)));
7416 
7417 	/* Add support for CL37 (passive mode) III */
7418 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7419 
7420 	/* The SNR will improve about 2db by changing BW and FEE main
7421 	 * tap. Rest commands are executed after link is up
7422 	 * Change FFE main cursor to 5 in EDC register
7423 	 */
7424 	if (bnx2x_8073_is_snr_needed(bp, phy))
7425 		bnx2x_cl45_write(bp, phy,
7426 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7427 				 0xFB0C);
7428 
7429 	/* Enable FEC (Forware Error Correction) Request in the AN */
7430 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7431 	tmp1 |= (1<<15);
7432 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7433 
7434 	bnx2x_ext_phy_set_pause(params, phy, vars);
7435 
7436 	/* Restart autoneg */
7437 	msleep(500);
7438 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7439 	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7440 		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7441 	return 0;
7442 }
7443 
7444 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7445 				 struct link_params *params,
7446 				 struct link_vars *vars)
7447 {
7448 	struct bnx2x *bp = params->bp;
7449 	u8 link_up = 0;
7450 	u16 val1, val2;
7451 	u16 link_status = 0;
7452 	u16 an1000_status = 0;
7453 
7454 	bnx2x_cl45_read(bp, phy,
7455 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7456 
7457 	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7458 
7459 	/* Clear the interrupt LASI status register */
7460 	bnx2x_cl45_read(bp, phy,
7461 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7462 	bnx2x_cl45_read(bp, phy,
7463 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7464 	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7465 	/* Clear MSG-OUT */
7466 	bnx2x_cl45_read(bp, phy,
7467 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7468 
7469 	/* Check the LASI */
7470 	bnx2x_cl45_read(bp, phy,
7471 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7472 
7473 	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7474 
7475 	/* Check the link status */
7476 	bnx2x_cl45_read(bp, phy,
7477 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7478 	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7479 
7480 	bnx2x_cl45_read(bp, phy,
7481 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7482 	bnx2x_cl45_read(bp, phy,
7483 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7484 	link_up = ((val1 & 4) == 4);
7485 	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7486 
7487 	if (link_up &&
7488 	     ((phy->req_line_speed != SPEED_10000))) {
7489 		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7490 			return 0;
7491 	}
7492 	bnx2x_cl45_read(bp, phy,
7493 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7494 	bnx2x_cl45_read(bp, phy,
7495 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7496 
7497 	/* Check the link status on 1.1.2 */
7498 	bnx2x_cl45_read(bp, phy,
7499 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7500 	bnx2x_cl45_read(bp, phy,
7501 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7502 	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7503 		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7504 
7505 	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7506 	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7507 		/* The SNR will improve about 2dbby changing the BW and FEE main
7508 		 * tap. The 1st write to change FFE main tap is set before
7509 		 * restart AN. Change PLL Bandwidth in EDC register
7510 		 */
7511 		bnx2x_cl45_write(bp, phy,
7512 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7513 				 0x26BC);
7514 
7515 		/* Change CDR Bandwidth in EDC register */
7516 		bnx2x_cl45_write(bp, phy,
7517 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7518 				 0x0333);
7519 	}
7520 	bnx2x_cl45_read(bp, phy,
7521 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7522 			&link_status);
7523 
7524 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7525 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7526 		link_up = 1;
7527 		vars->line_speed = SPEED_10000;
7528 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7529 			   params->port);
7530 	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7531 		link_up = 1;
7532 		vars->line_speed = SPEED_2500;
7533 		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7534 			   params->port);
7535 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7536 		link_up = 1;
7537 		vars->line_speed = SPEED_1000;
7538 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7539 			   params->port);
7540 	} else {
7541 		link_up = 0;
7542 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7543 			   params->port);
7544 	}
7545 
7546 	if (link_up) {
7547 		/* Swap polarity if required */
7548 		if (params->lane_config &
7549 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7550 			/* Configure the 8073 to swap P and N of the KR lines */
7551 			bnx2x_cl45_read(bp, phy,
7552 					MDIO_XS_DEVAD,
7553 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7554 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7555 			 * when it`s in 10G mode.
7556 			 */
7557 			if (vars->line_speed == SPEED_1000) {
7558 				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7559 					      "the 8073\n");
7560 				val1 |= (1<<3);
7561 			} else
7562 				val1 &= ~(1<<3);
7563 
7564 			bnx2x_cl45_write(bp, phy,
7565 					 MDIO_XS_DEVAD,
7566 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7567 					 val1);
7568 		}
7569 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7570 		bnx2x_8073_resolve_fc(phy, params, vars);
7571 		vars->duplex = DUPLEX_FULL;
7572 	}
7573 
7574 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7575 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7576 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7577 
7578 		if (val1 & (1<<5))
7579 			vars->link_status |=
7580 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7581 		if (val1 & (1<<7))
7582 			vars->link_status |=
7583 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7584 	}
7585 
7586 	return link_up;
7587 }
7588 
7589 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7590 				  struct link_params *params)
7591 {
7592 	struct bnx2x *bp = params->bp;
7593 	u8 gpio_port;
7594 	if (CHIP_IS_E2(bp))
7595 		gpio_port = BP_PATH(bp);
7596 	else
7597 		gpio_port = params->port;
7598 	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7599 	   gpio_port);
7600 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7601 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7602 		       gpio_port);
7603 }
7604 
7605 /******************************************************************/
7606 /*			BCM8705 PHY SECTION			  */
7607 /******************************************************************/
7608 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7609 				  struct link_params *params,
7610 				  struct link_vars *vars)
7611 {
7612 	struct bnx2x *bp = params->bp;
7613 	DP(NETIF_MSG_LINK, "init 8705\n");
7614 	/* Restore normal power mode*/
7615 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7616 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7617 	/* HW reset */
7618 	bnx2x_ext_phy_hw_reset(bp, params->port);
7619 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7620 	bnx2x_wait_reset_complete(bp, phy, params);
7621 
7622 	bnx2x_cl45_write(bp, phy,
7623 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7624 	bnx2x_cl45_write(bp, phy,
7625 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7626 	bnx2x_cl45_write(bp, phy,
7627 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7628 	bnx2x_cl45_write(bp, phy,
7629 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7630 	/* BCM8705 doesn't have microcode, hence the 0 */
7631 	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7632 	return 0;
7633 }
7634 
7635 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7636 				 struct link_params *params,
7637 				 struct link_vars *vars)
7638 {
7639 	u8 link_up = 0;
7640 	u16 val1, rx_sd;
7641 	struct bnx2x *bp = params->bp;
7642 	DP(NETIF_MSG_LINK, "read status 8705\n");
7643 	bnx2x_cl45_read(bp, phy,
7644 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7645 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7646 
7647 	bnx2x_cl45_read(bp, phy,
7648 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7649 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7650 
7651 	bnx2x_cl45_read(bp, phy,
7652 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7653 
7654 	bnx2x_cl45_read(bp, phy,
7655 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7656 	bnx2x_cl45_read(bp, phy,
7657 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7658 
7659 	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7660 	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7661 	if (link_up) {
7662 		vars->line_speed = SPEED_10000;
7663 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7664 	}
7665 	return link_up;
7666 }
7667 
7668 /******************************************************************/
7669 /*			SFP+ module Section			  */
7670 /******************************************************************/
7671 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7672 					   struct bnx2x_phy *phy,
7673 					   u8 pmd_dis)
7674 {
7675 	struct bnx2x *bp = params->bp;
7676 	/* Disable transmitter only for bootcodes which can enable it afterwards
7677 	 * (for D3 link)
7678 	 */
7679 	if (pmd_dis) {
7680 		if (params->feature_config_flags &
7681 		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7682 			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7683 		else {
7684 			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7685 			return;
7686 		}
7687 	} else
7688 		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7689 	bnx2x_cl45_write(bp, phy,
7690 			 MDIO_PMA_DEVAD,
7691 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7692 }
7693 
7694 static u8 bnx2x_get_gpio_port(struct link_params *params)
7695 {
7696 	u8 gpio_port;
7697 	u32 swap_val, swap_override;
7698 	struct bnx2x *bp = params->bp;
7699 	if (CHIP_IS_E2(bp))
7700 		gpio_port = BP_PATH(bp);
7701 	else
7702 		gpio_port = params->port;
7703 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7704 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7705 	return gpio_port ^ (swap_val && swap_override);
7706 }
7707 
7708 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7709 					   struct bnx2x_phy *phy,
7710 					   u8 tx_en)
7711 {
7712 	u16 val;
7713 	u8 port = params->port;
7714 	struct bnx2x *bp = params->bp;
7715 	u32 tx_en_mode;
7716 
7717 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7718 	tx_en_mode = REG_RD(bp, params->shmem_base +
7719 			    offsetof(struct shmem_region,
7720 				     dev_info.port_hw_config[port].sfp_ctrl)) &
7721 		PORT_HW_CFG_TX_LASER_MASK;
7722 	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7723 			   "mode = %x\n", tx_en, port, tx_en_mode);
7724 	switch (tx_en_mode) {
7725 	case PORT_HW_CFG_TX_LASER_MDIO:
7726 
7727 		bnx2x_cl45_read(bp, phy,
7728 				MDIO_PMA_DEVAD,
7729 				MDIO_PMA_REG_PHY_IDENTIFIER,
7730 				&val);
7731 
7732 		if (tx_en)
7733 			val &= ~(1<<15);
7734 		else
7735 			val |= (1<<15);
7736 
7737 		bnx2x_cl45_write(bp, phy,
7738 				 MDIO_PMA_DEVAD,
7739 				 MDIO_PMA_REG_PHY_IDENTIFIER,
7740 				 val);
7741 	break;
7742 	case PORT_HW_CFG_TX_LASER_GPIO0:
7743 	case PORT_HW_CFG_TX_LASER_GPIO1:
7744 	case PORT_HW_CFG_TX_LASER_GPIO2:
7745 	case PORT_HW_CFG_TX_LASER_GPIO3:
7746 	{
7747 		u16 gpio_pin;
7748 		u8 gpio_port, gpio_mode;
7749 		if (tx_en)
7750 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7751 		else
7752 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7753 
7754 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7755 		gpio_port = bnx2x_get_gpio_port(params);
7756 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7757 		break;
7758 	}
7759 	default:
7760 		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7761 		break;
7762 	}
7763 }
7764 
7765 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7766 				      struct bnx2x_phy *phy,
7767 				      u8 tx_en)
7768 {
7769 	struct bnx2x *bp = params->bp;
7770 	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7771 	if (CHIP_IS_E3(bp))
7772 		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7773 	else
7774 		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7775 }
7776 
7777 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7778 					     struct link_params *params,
7779 					     u8 dev_addr, u16 addr, u8 byte_cnt,
7780 					     u8 *o_buf, u8 is_init)
7781 {
7782 	struct bnx2x *bp = params->bp;
7783 	u16 val = 0;
7784 	u16 i;
7785 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7786 		DP(NETIF_MSG_LINK,
7787 		   "Reading from eeprom is limited to 0xf\n");
7788 		return -EINVAL;
7789 	}
7790 	/* Set the read command byte count */
7791 	bnx2x_cl45_write(bp, phy,
7792 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7793 			 (byte_cnt | (dev_addr << 8)));
7794 
7795 	/* Set the read command address */
7796 	bnx2x_cl45_write(bp, phy,
7797 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7798 			 addr);
7799 
7800 	/* Activate read command */
7801 	bnx2x_cl45_write(bp, phy,
7802 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7803 			 0x2c0f);
7804 
7805 	/* Wait up to 500us for command complete status */
7806 	for (i = 0; i < 100; i++) {
7807 		bnx2x_cl45_read(bp, phy,
7808 				MDIO_PMA_DEVAD,
7809 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7810 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7811 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7812 			break;
7813 		udelay(5);
7814 	}
7815 
7816 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7817 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7818 		DP(NETIF_MSG_LINK,
7819 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7820 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7821 		return -EINVAL;
7822 	}
7823 
7824 	/* Read the buffer */
7825 	for (i = 0; i < byte_cnt; i++) {
7826 		bnx2x_cl45_read(bp, phy,
7827 				MDIO_PMA_DEVAD,
7828 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7829 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7830 	}
7831 
7832 	for (i = 0; i < 100; i++) {
7833 		bnx2x_cl45_read(bp, phy,
7834 				MDIO_PMA_DEVAD,
7835 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7836 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7837 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7838 			return 0;
7839 		usleep_range(1000, 2000);
7840 	}
7841 	return -EINVAL;
7842 }
7843 
7844 static void bnx2x_warpcore_power_module(struct link_params *params,
7845 					u8 power)
7846 {
7847 	u32 pin_cfg;
7848 	struct bnx2x *bp = params->bp;
7849 
7850 	pin_cfg = (REG_RD(bp, params->shmem_base +
7851 			  offsetof(struct shmem_region,
7852 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7853 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7854 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7855 
7856 	if (pin_cfg == PIN_CFG_NA)
7857 		return;
7858 	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7859 		       power, pin_cfg);
7860 	/* Low ==> corresponding SFP+ module is powered
7861 	 * high ==> the SFP+ module is powered down
7862 	 */
7863 	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7864 }
7865 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7866 						 struct link_params *params,
7867 						 u8 dev_addr,
7868 						 u16 addr, u8 byte_cnt,
7869 						 u8 *o_buf, u8 is_init)
7870 {
7871 	int rc = 0;
7872 	u8 i, j = 0, cnt = 0;
7873 	u32 data_array[4];
7874 	u16 addr32;
7875 	struct bnx2x *bp = params->bp;
7876 
7877 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7878 		DP(NETIF_MSG_LINK,
7879 		   "Reading from eeprom is limited to 16 bytes\n");
7880 		return -EINVAL;
7881 	}
7882 
7883 	/* 4 byte aligned address */
7884 	addr32 = addr & (~0x3);
7885 	do {
7886 		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7887 			bnx2x_warpcore_power_module(params, 0);
7888 			/* Note that 100us are not enough here */
7889 			usleep_range(1000, 2000);
7890 			bnx2x_warpcore_power_module(params, 1);
7891 		}
7892 		rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7893 				    data_array);
7894 	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7895 
7896 	if (rc == 0) {
7897 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7898 			o_buf[j] = *((u8 *)data_array + i);
7899 			j++;
7900 		}
7901 	}
7902 
7903 	return rc;
7904 }
7905 
7906 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7907 					     struct link_params *params,
7908 					     u8 dev_addr, u16 addr, u8 byte_cnt,
7909 					     u8 *o_buf, u8 is_init)
7910 {
7911 	struct bnx2x *bp = params->bp;
7912 	u16 val, i;
7913 
7914 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7915 		DP(NETIF_MSG_LINK,
7916 		   "Reading from eeprom is limited to 0xf\n");
7917 		return -EINVAL;
7918 	}
7919 
7920 	/* Set 2-wire transfer rate of SFP+ module EEPROM
7921 	 * to 100Khz since some DACs(direct attached cables) do
7922 	 * not work at 400Khz.
7923 	 */
7924 	bnx2x_cl45_write(bp, phy,
7925 			 MDIO_PMA_DEVAD,
7926 			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
7927 			 ((dev_addr << 8) | 1));
7928 
7929 	/* Need to read from 1.8000 to clear it */
7930 	bnx2x_cl45_read(bp, phy,
7931 			MDIO_PMA_DEVAD,
7932 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7933 			&val);
7934 
7935 	/* Set the read command byte count */
7936 	bnx2x_cl45_write(bp, phy,
7937 			 MDIO_PMA_DEVAD,
7938 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7939 			 ((byte_cnt < 2) ? 2 : byte_cnt));
7940 
7941 	/* Set the read command address */
7942 	bnx2x_cl45_write(bp, phy,
7943 			 MDIO_PMA_DEVAD,
7944 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7945 			 addr);
7946 	/* Set the destination address */
7947 	bnx2x_cl45_write(bp, phy,
7948 			 MDIO_PMA_DEVAD,
7949 			 0x8004,
7950 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7951 
7952 	/* Activate read command */
7953 	bnx2x_cl45_write(bp, phy,
7954 			 MDIO_PMA_DEVAD,
7955 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7956 			 0x8002);
7957 	/* Wait appropriate time for two-wire command to finish before
7958 	 * polling the status register
7959 	 */
7960 	usleep_range(1000, 2000);
7961 
7962 	/* Wait up to 500us for command complete status */
7963 	for (i = 0; i < 100; i++) {
7964 		bnx2x_cl45_read(bp, phy,
7965 				MDIO_PMA_DEVAD,
7966 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7967 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7968 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7969 			break;
7970 		udelay(5);
7971 	}
7972 
7973 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7974 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7975 		DP(NETIF_MSG_LINK,
7976 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7977 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7978 		return -EFAULT;
7979 	}
7980 
7981 	/* Read the buffer */
7982 	for (i = 0; i < byte_cnt; i++) {
7983 		bnx2x_cl45_read(bp, phy,
7984 				MDIO_PMA_DEVAD,
7985 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
7986 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7987 	}
7988 
7989 	for (i = 0; i < 100; i++) {
7990 		bnx2x_cl45_read(bp, phy,
7991 				MDIO_PMA_DEVAD,
7992 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7993 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7994 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7995 			return 0;
7996 		usleep_range(1000, 2000);
7997 	}
7998 
7999 	return -EINVAL;
8000 }
8001 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8002 				 struct link_params *params, u8 dev_addr,
8003 				 u16 addr, u16 byte_cnt, u8 *o_buf)
8004 {
8005 	int rc = 0;
8006 	struct bnx2x *bp = params->bp;
8007 	u8 xfer_size;
8008 	u8 *user_data = o_buf;
8009 	read_sfp_module_eeprom_func_p read_func;
8010 
8011 	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8012 		DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8013 		return -EINVAL;
8014 	}
8015 
8016 	switch (phy->type) {
8017 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8018 		read_func = bnx2x_8726_read_sfp_module_eeprom;
8019 		break;
8020 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8021 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8022 		read_func = bnx2x_8727_read_sfp_module_eeprom;
8023 		break;
8024 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8025 		read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8026 		break;
8027 	default:
8028 		return -EOPNOTSUPP;
8029 	}
8030 
8031 	while (!rc && (byte_cnt > 0)) {
8032 		xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8033 			SFP_EEPROM_PAGE_SIZE : byte_cnt;
8034 		rc = read_func(phy, params, dev_addr, addr, xfer_size,
8035 			       user_data, 0);
8036 		byte_cnt -= xfer_size;
8037 		user_data += xfer_size;
8038 		addr += xfer_size;
8039 	}
8040 	return rc;
8041 }
8042 
8043 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8044 			      struct link_params *params,
8045 			      u16 *edc_mode)
8046 {
8047 	struct bnx2x *bp = params->bp;
8048 	u32 sync_offset = 0, phy_idx, media_types;
8049 	u8 gport, val[2], check_limiting_mode = 0;
8050 	*edc_mode = EDC_MODE_LIMITING;
8051 	phy->media_type = ETH_PHY_UNSPECIFIED;
8052 	/* First check for copper cable */
8053 	if (bnx2x_read_sfp_module_eeprom(phy,
8054 					 params,
8055 					 I2C_DEV_ADDR_A0,
8056 					 SFP_EEPROM_CON_TYPE_ADDR,
8057 					 2,
8058 					 (u8 *)val) != 0) {
8059 		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8060 		return -EINVAL;
8061 	}
8062 
8063 	switch (val[0]) {
8064 	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8065 	{
8066 		u8 copper_module_type;
8067 		phy->media_type = ETH_PHY_DA_TWINAX;
8068 		/* Check if its active cable (includes SFP+ module)
8069 		 * of passive cable
8070 		 */
8071 		if (bnx2x_read_sfp_module_eeprom(phy,
8072 					       params,
8073 					       I2C_DEV_ADDR_A0,
8074 					       SFP_EEPROM_FC_TX_TECH_ADDR,
8075 					       1,
8076 					       &copper_module_type) != 0) {
8077 			DP(NETIF_MSG_LINK,
8078 				"Failed to read copper-cable-type"
8079 				" from SFP+ EEPROM\n");
8080 			return -EINVAL;
8081 		}
8082 
8083 		if (copper_module_type &
8084 		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8085 			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8086 			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8087 				*edc_mode = EDC_MODE_ACTIVE_DAC;
8088 			else
8089 				check_limiting_mode = 1;
8090 		} else {
8091 			*edc_mode = EDC_MODE_PASSIVE_DAC;
8092 			/* Even in case PASSIVE_DAC indication is not set,
8093 			 * treat it as a passive DAC cable, since some cables
8094 			 * don't have this indication.
8095 			 */
8096 			if (copper_module_type &
8097 			    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8098 				DP(NETIF_MSG_LINK,
8099 				   "Passive Copper cable detected\n");
8100 			} else {
8101 				DP(NETIF_MSG_LINK,
8102 				   "Unknown copper-cable-type\n");
8103 			}
8104 		}
8105 		break;
8106 	}
8107 	case SFP_EEPROM_CON_TYPE_VAL_LC:
8108 	case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8109 		check_limiting_mode = 1;
8110 		if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
8111 			       SFP_EEPROM_COMP_CODE_LR_MASK |
8112 			       SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
8113 			DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8114 			gport = params->port;
8115 			phy->media_type = ETH_PHY_SFP_1G_FIBER;
8116 			if (phy->req_line_speed != SPEED_1000) {
8117 				phy->req_line_speed = SPEED_1000;
8118 				if (!CHIP_IS_E1x(bp)) {
8119 					gport = BP_PATH(bp) +
8120 					(params->port << 1);
8121 				}
8122 				netdev_err(bp->dev,
8123 					   "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8124 					   gport);
8125 			}
8126 		} else {
8127 			int idx, cfg_idx = 0;
8128 			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8129 			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8130 				if (params->phy[idx].type == phy->type) {
8131 					cfg_idx = LINK_CONFIG_IDX(idx);
8132 					break;
8133 				}
8134 			}
8135 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8136 			phy->req_line_speed = params->req_line_speed[cfg_idx];
8137 		}
8138 		break;
8139 	default:
8140 		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8141 			 val[0]);
8142 		return -EINVAL;
8143 	}
8144 	sync_offset = params->shmem_base +
8145 		offsetof(struct shmem_region,
8146 			 dev_info.port_hw_config[params->port].media_type);
8147 	media_types = REG_RD(bp, sync_offset);
8148 	/* Update media type for non-PMF sync */
8149 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8150 		if (&(params->phy[phy_idx]) == phy) {
8151 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8152 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8153 			media_types |= ((phy->media_type &
8154 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8155 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8156 			break;
8157 		}
8158 	}
8159 	REG_WR(bp, sync_offset, media_types);
8160 	if (check_limiting_mode) {
8161 		u8 options[SFP_EEPROM_OPTIONS_SIZE];
8162 		if (bnx2x_read_sfp_module_eeprom(phy,
8163 						 params,
8164 						 I2C_DEV_ADDR_A0,
8165 						 SFP_EEPROM_OPTIONS_ADDR,
8166 						 SFP_EEPROM_OPTIONS_SIZE,
8167 						 options) != 0) {
8168 			DP(NETIF_MSG_LINK,
8169 			   "Failed to read Option field from module EEPROM\n");
8170 			return -EINVAL;
8171 		}
8172 		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8173 			*edc_mode = EDC_MODE_LINEAR;
8174 		else
8175 			*edc_mode = EDC_MODE_LIMITING;
8176 	}
8177 	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8178 	return 0;
8179 }
8180 /* This function read the relevant field from the module (SFP+), and verify it
8181  * is compliant with this board
8182  */
8183 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8184 				   struct link_params *params)
8185 {
8186 	struct bnx2x *bp = params->bp;
8187 	u32 val, cmd;
8188 	u32 fw_resp, fw_cmd_param;
8189 	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8190 	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8191 	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8192 	val = REG_RD(bp, params->shmem_base +
8193 			 offsetof(struct shmem_region, dev_info.
8194 				  port_feature_config[params->port].config));
8195 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8196 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8197 		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8198 		return 0;
8199 	}
8200 
8201 	if (params->feature_config_flags &
8202 	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8203 		/* Use specific phy request */
8204 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8205 	} else if (params->feature_config_flags &
8206 		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8207 		/* Use first phy request only in case of non-dual media*/
8208 		if (DUAL_MEDIA(params)) {
8209 			DP(NETIF_MSG_LINK,
8210 			   "FW does not support OPT MDL verification\n");
8211 			return -EINVAL;
8212 		}
8213 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8214 	} else {
8215 		/* No support in OPT MDL detection */
8216 		DP(NETIF_MSG_LINK,
8217 		   "FW does not support OPT MDL verification\n");
8218 		return -EINVAL;
8219 	}
8220 
8221 	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8222 	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8223 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8224 		DP(NETIF_MSG_LINK, "Approved module\n");
8225 		return 0;
8226 	}
8227 
8228 	/* Format the warning message */
8229 	if (bnx2x_read_sfp_module_eeprom(phy,
8230 					 params,
8231 					 I2C_DEV_ADDR_A0,
8232 					 SFP_EEPROM_VENDOR_NAME_ADDR,
8233 					 SFP_EEPROM_VENDOR_NAME_SIZE,
8234 					 (u8 *)vendor_name))
8235 		vendor_name[0] = '\0';
8236 	else
8237 		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8238 	if (bnx2x_read_sfp_module_eeprom(phy,
8239 					 params,
8240 					 I2C_DEV_ADDR_A0,
8241 					 SFP_EEPROM_PART_NO_ADDR,
8242 					 SFP_EEPROM_PART_NO_SIZE,
8243 					 (u8 *)vendor_pn))
8244 		vendor_pn[0] = '\0';
8245 	else
8246 		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8247 
8248 	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8249 			      " Port %d from %s part number %s\n",
8250 			 params->port, vendor_name, vendor_pn);
8251 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8252 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8253 		phy->flags |= FLAGS_SFP_NOT_APPROVED;
8254 	return -EINVAL;
8255 }
8256 
8257 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8258 						 struct link_params *params)
8259 
8260 {
8261 	u8 val;
8262 	int rc;
8263 	struct bnx2x *bp = params->bp;
8264 	u16 timeout;
8265 	/* Initialization time after hot-plug may take up to 300ms for
8266 	 * some phys type ( e.g. JDSU )
8267 	 */
8268 
8269 	for (timeout = 0; timeout < 60; timeout++) {
8270 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8271 			rc = bnx2x_warpcore_read_sfp_module_eeprom(
8272 				phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8273 				1);
8274 		else
8275 			rc = bnx2x_read_sfp_module_eeprom(phy, params,
8276 							  I2C_DEV_ADDR_A0,
8277 							  1, 1, &val);
8278 		if (rc == 0) {
8279 			DP(NETIF_MSG_LINK,
8280 			   "SFP+ module initialization took %d ms\n",
8281 			   timeout * 5);
8282 			return 0;
8283 		}
8284 		usleep_range(5000, 10000);
8285 	}
8286 	rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8287 					  1, 1, &val);
8288 	return rc;
8289 }
8290 
8291 static void bnx2x_8727_power_module(struct bnx2x *bp,
8292 				    struct bnx2x_phy *phy,
8293 				    u8 is_power_up) {
8294 	/* Make sure GPIOs are not using for LED mode */
8295 	u16 val;
8296 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8297 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8298 	 * output
8299 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8300 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8301 	 * where the 1st bit is the over-current(only input), and 2nd bit is
8302 	 * for power( only output )
8303 	 *
8304 	 * In case of NOC feature is disabled and power is up, set GPIO control
8305 	 *  as input to enable listening of over-current indication
8306 	 */
8307 	if (phy->flags & FLAGS_NOC)
8308 		return;
8309 	if (is_power_up)
8310 		val = (1<<4);
8311 	else
8312 		/* Set GPIO control to OUTPUT, and set the power bit
8313 		 * to according to the is_power_up
8314 		 */
8315 		val = (1<<1);
8316 
8317 	bnx2x_cl45_write(bp, phy,
8318 			 MDIO_PMA_DEVAD,
8319 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8320 			 val);
8321 }
8322 
8323 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8324 					struct bnx2x_phy *phy,
8325 					u16 edc_mode)
8326 {
8327 	u16 cur_limiting_mode;
8328 
8329 	bnx2x_cl45_read(bp, phy,
8330 			MDIO_PMA_DEVAD,
8331 			MDIO_PMA_REG_ROM_VER2,
8332 			&cur_limiting_mode);
8333 	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8334 		 cur_limiting_mode);
8335 
8336 	if (edc_mode == EDC_MODE_LIMITING) {
8337 		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8338 		bnx2x_cl45_write(bp, phy,
8339 				 MDIO_PMA_DEVAD,
8340 				 MDIO_PMA_REG_ROM_VER2,
8341 				 EDC_MODE_LIMITING);
8342 	} else { /* LRM mode ( default )*/
8343 
8344 		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8345 
8346 		/* Changing to LRM mode takes quite few seconds. So do it only
8347 		 * if current mode is limiting (default is LRM)
8348 		 */
8349 		if (cur_limiting_mode != EDC_MODE_LIMITING)
8350 			return 0;
8351 
8352 		bnx2x_cl45_write(bp, phy,
8353 				 MDIO_PMA_DEVAD,
8354 				 MDIO_PMA_REG_LRM_MODE,
8355 				 0);
8356 		bnx2x_cl45_write(bp, phy,
8357 				 MDIO_PMA_DEVAD,
8358 				 MDIO_PMA_REG_ROM_VER2,
8359 				 0x128);
8360 		bnx2x_cl45_write(bp, phy,
8361 				 MDIO_PMA_DEVAD,
8362 				 MDIO_PMA_REG_MISC_CTRL0,
8363 				 0x4008);
8364 		bnx2x_cl45_write(bp, phy,
8365 				 MDIO_PMA_DEVAD,
8366 				 MDIO_PMA_REG_LRM_MODE,
8367 				 0xaaaa);
8368 	}
8369 	return 0;
8370 }
8371 
8372 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8373 					struct bnx2x_phy *phy,
8374 					u16 edc_mode)
8375 {
8376 	u16 phy_identifier;
8377 	u16 rom_ver2_val;
8378 	bnx2x_cl45_read(bp, phy,
8379 			MDIO_PMA_DEVAD,
8380 			MDIO_PMA_REG_PHY_IDENTIFIER,
8381 			&phy_identifier);
8382 
8383 	bnx2x_cl45_write(bp, phy,
8384 			 MDIO_PMA_DEVAD,
8385 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8386 			 (phy_identifier & ~(1<<9)));
8387 
8388 	bnx2x_cl45_read(bp, phy,
8389 			MDIO_PMA_DEVAD,
8390 			MDIO_PMA_REG_ROM_VER2,
8391 			&rom_ver2_val);
8392 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8393 	bnx2x_cl45_write(bp, phy,
8394 			 MDIO_PMA_DEVAD,
8395 			 MDIO_PMA_REG_ROM_VER2,
8396 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8397 
8398 	bnx2x_cl45_write(bp, phy,
8399 			 MDIO_PMA_DEVAD,
8400 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8401 			 (phy_identifier | (1<<9)));
8402 
8403 	return 0;
8404 }
8405 
8406 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8407 				     struct link_params *params,
8408 				     u32 action)
8409 {
8410 	struct bnx2x *bp = params->bp;
8411 	u16 val;
8412 	switch (action) {
8413 	case DISABLE_TX:
8414 		bnx2x_sfp_set_transmitter(params, phy, 0);
8415 		break;
8416 	case ENABLE_TX:
8417 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8418 			bnx2x_sfp_set_transmitter(params, phy, 1);
8419 		break;
8420 	case PHY_INIT:
8421 		bnx2x_cl45_write(bp, phy,
8422 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8423 				 (1<<2) | (1<<5));
8424 		bnx2x_cl45_write(bp, phy,
8425 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8426 				 0);
8427 		bnx2x_cl45_write(bp, phy,
8428 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8429 		/* Make MOD_ABS give interrupt on change */
8430 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8431 				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8432 				&val);
8433 		val |= (1<<12);
8434 		if (phy->flags & FLAGS_NOC)
8435 			val |= (3<<5);
8436 		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8437 		 * status which reflect SFP+ module over-current
8438 		 */
8439 		if (!(phy->flags & FLAGS_NOC))
8440 			val &= 0xff8f; /* Reset bits 4-6 */
8441 		bnx2x_cl45_write(bp, phy,
8442 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8443 				 val);
8444 		break;
8445 	default:
8446 		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8447 		   action);
8448 		return;
8449 	}
8450 }
8451 
8452 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8453 					   u8 gpio_mode)
8454 {
8455 	struct bnx2x *bp = params->bp;
8456 
8457 	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8458 			    offsetof(struct shmem_region,
8459 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8460 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8461 	switch (fault_led_gpio) {
8462 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8463 		return;
8464 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8465 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8466 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8467 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8468 	{
8469 		u8 gpio_port = bnx2x_get_gpio_port(params);
8470 		u16 gpio_pin = fault_led_gpio -
8471 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8472 		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8473 				   "pin %x port %x mode %x\n",
8474 			       gpio_pin, gpio_port, gpio_mode);
8475 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8476 	}
8477 	break;
8478 	default:
8479 		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8480 			       fault_led_gpio);
8481 	}
8482 }
8483 
8484 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8485 					  u8 gpio_mode)
8486 {
8487 	u32 pin_cfg;
8488 	u8 port = params->port;
8489 	struct bnx2x *bp = params->bp;
8490 	pin_cfg = (REG_RD(bp, params->shmem_base +
8491 			 offsetof(struct shmem_region,
8492 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8493 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8494 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8495 	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8496 		       gpio_mode, pin_cfg);
8497 	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8498 }
8499 
8500 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8501 					   u8 gpio_mode)
8502 {
8503 	struct bnx2x *bp = params->bp;
8504 	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8505 	if (CHIP_IS_E3(bp)) {
8506 		/* Low ==> if SFP+ module is supported otherwise
8507 		 * High ==> if SFP+ module is not on the approved vendor list
8508 		 */
8509 		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8510 	} else
8511 		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8512 }
8513 
8514 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8515 				    struct link_params *params)
8516 {
8517 	struct bnx2x *bp = params->bp;
8518 	bnx2x_warpcore_power_module(params, 0);
8519 	/* Put Warpcore in low power mode */
8520 	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8521 
8522 	/* Put LCPLL in low power mode */
8523 	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8524 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8525 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8526 }
8527 
8528 static void bnx2x_power_sfp_module(struct link_params *params,
8529 				   struct bnx2x_phy *phy,
8530 				   u8 power)
8531 {
8532 	struct bnx2x *bp = params->bp;
8533 	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8534 
8535 	switch (phy->type) {
8536 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8537 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8538 		bnx2x_8727_power_module(params->bp, phy, power);
8539 		break;
8540 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8541 		bnx2x_warpcore_power_module(params, power);
8542 		break;
8543 	default:
8544 		break;
8545 	}
8546 }
8547 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8548 					     struct bnx2x_phy *phy,
8549 					     u16 edc_mode)
8550 {
8551 	u16 val = 0;
8552 	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8553 	struct bnx2x *bp = params->bp;
8554 
8555 	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8556 	/* This is a global register which controls all lanes */
8557 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8558 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8559 	val &= ~(0xf << (lane << 2));
8560 
8561 	switch (edc_mode) {
8562 	case EDC_MODE_LINEAR:
8563 	case EDC_MODE_LIMITING:
8564 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8565 		break;
8566 	case EDC_MODE_PASSIVE_DAC:
8567 	case EDC_MODE_ACTIVE_DAC:
8568 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8569 		break;
8570 	default:
8571 		break;
8572 	}
8573 
8574 	val |= (mode << (lane << 2));
8575 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8576 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8577 	/* A must read */
8578 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8579 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8580 
8581 	/* Restart microcode to re-read the new mode */
8582 	bnx2x_warpcore_reset_lane(bp, phy, 1);
8583 	bnx2x_warpcore_reset_lane(bp, phy, 0);
8584 
8585 }
8586 
8587 static void bnx2x_set_limiting_mode(struct link_params *params,
8588 				    struct bnx2x_phy *phy,
8589 				    u16 edc_mode)
8590 {
8591 	switch (phy->type) {
8592 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8593 		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8594 		break;
8595 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8596 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8597 		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8598 		break;
8599 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8600 		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8601 		break;
8602 	}
8603 }
8604 
8605 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8606 				      struct link_params *params)
8607 {
8608 	struct bnx2x *bp = params->bp;
8609 	u16 edc_mode;
8610 	int rc = 0;
8611 
8612 	u32 val = REG_RD(bp, params->shmem_base +
8613 			     offsetof(struct shmem_region, dev_info.
8614 				     port_feature_config[params->port].config));
8615 	/* Enabled transmitter by default */
8616 	bnx2x_sfp_set_transmitter(params, phy, 1);
8617 	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8618 		 params->port);
8619 	/* Power up module */
8620 	bnx2x_power_sfp_module(params, phy, 1);
8621 	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8622 		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8623 		return -EINVAL;
8624 	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8625 		/* Check SFP+ module compatibility */
8626 		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8627 		rc = -EINVAL;
8628 		/* Turn on fault module-detected led */
8629 		bnx2x_set_sfp_module_fault_led(params,
8630 					       MISC_REGISTERS_GPIO_HIGH);
8631 
8632 		/* Check if need to power down the SFP+ module */
8633 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8634 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8635 			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8636 			bnx2x_power_sfp_module(params, phy, 0);
8637 			return rc;
8638 		}
8639 	} else {
8640 		/* Turn off fault module-detected led */
8641 		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8642 	}
8643 
8644 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8645 	 * is done automatically
8646 	 */
8647 	bnx2x_set_limiting_mode(params, phy, edc_mode);
8648 
8649 	/* Disable transmit for this module if the module is not approved, and
8650 	 * laser needs to be disabled.
8651 	 */
8652 	if ((rc) &&
8653 	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8654 	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8655 		bnx2x_sfp_set_transmitter(params, phy, 0);
8656 
8657 	return rc;
8658 }
8659 
8660 void bnx2x_handle_module_detect_int(struct link_params *params)
8661 {
8662 	struct bnx2x *bp = params->bp;
8663 	struct bnx2x_phy *phy;
8664 	u32 gpio_val;
8665 	u8 gpio_num, gpio_port;
8666 	if (CHIP_IS_E3(bp)) {
8667 		phy = &params->phy[INT_PHY];
8668 		/* Always enable TX laser,will be disabled in case of fault */
8669 		bnx2x_sfp_set_transmitter(params, phy, 1);
8670 	} else {
8671 		phy = &params->phy[EXT_PHY1];
8672 	}
8673 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8674 				      params->port, &gpio_num, &gpio_port) ==
8675 	    -EINVAL) {
8676 		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8677 		return;
8678 	}
8679 
8680 	/* Set valid module led off */
8681 	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8682 
8683 	/* Get current gpio val reflecting module plugged in / out*/
8684 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8685 
8686 	/* Call the handling function in case module is detected */
8687 	if (gpio_val == 0) {
8688 		bnx2x_set_mdio_emac_per_phy(bp, params);
8689 		bnx2x_set_aer_mmd(params, phy);
8690 
8691 		bnx2x_power_sfp_module(params, phy, 1);
8692 		bnx2x_set_gpio_int(bp, gpio_num,
8693 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8694 				   gpio_port);
8695 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8696 			bnx2x_sfp_module_detection(phy, params);
8697 			if (CHIP_IS_E3(bp)) {
8698 				u16 rx_tx_in_reset;
8699 				/* In case WC is out of reset, reconfigure the
8700 				 * link speed while taking into account 1G
8701 				 * module limitation.
8702 				 */
8703 				bnx2x_cl45_read(bp, phy,
8704 						MDIO_WC_DEVAD,
8705 						MDIO_WC_REG_DIGITAL5_MISC6,
8706 						&rx_tx_in_reset);
8707 				if ((!rx_tx_in_reset) &&
8708 				    (params->link_flags &
8709 				     PHY_INITIALIZED)) {
8710 					bnx2x_warpcore_reset_lane(bp, phy, 1);
8711 					bnx2x_warpcore_config_sfi(phy, params);
8712 					bnx2x_warpcore_reset_lane(bp, phy, 0);
8713 				}
8714 			}
8715 		} else {
8716 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8717 		}
8718 	} else {
8719 		bnx2x_set_gpio_int(bp, gpio_num,
8720 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8721 				   gpio_port);
8722 		/* Module was plugged out.
8723 		 * Disable transmit for this module
8724 		 */
8725 		phy->media_type = ETH_PHY_NOT_PRESENT;
8726 	}
8727 }
8728 
8729 /******************************************************************/
8730 /*		Used by 8706 and 8727                             */
8731 /******************************************************************/
8732 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8733 				 struct bnx2x_phy *phy,
8734 				 u16 alarm_status_offset,
8735 				 u16 alarm_ctrl_offset)
8736 {
8737 	u16 alarm_status, val;
8738 	bnx2x_cl45_read(bp, phy,
8739 			MDIO_PMA_DEVAD, alarm_status_offset,
8740 			&alarm_status);
8741 	bnx2x_cl45_read(bp, phy,
8742 			MDIO_PMA_DEVAD, alarm_status_offset,
8743 			&alarm_status);
8744 	/* Mask or enable the fault event. */
8745 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8746 	if (alarm_status & (1<<0))
8747 		val &= ~(1<<0);
8748 	else
8749 		val |= (1<<0);
8750 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8751 }
8752 /******************************************************************/
8753 /*		common BCM8706/BCM8726 PHY SECTION		  */
8754 /******************************************************************/
8755 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8756 				      struct link_params *params,
8757 				      struct link_vars *vars)
8758 {
8759 	u8 link_up = 0;
8760 	u16 val1, val2, rx_sd, pcs_status;
8761 	struct bnx2x *bp = params->bp;
8762 	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8763 	/* Clear RX Alarm*/
8764 	bnx2x_cl45_read(bp, phy,
8765 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8766 
8767 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8768 			     MDIO_PMA_LASI_TXCTRL);
8769 
8770 	/* Clear LASI indication*/
8771 	bnx2x_cl45_read(bp, phy,
8772 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8773 	bnx2x_cl45_read(bp, phy,
8774 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8775 	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8776 
8777 	bnx2x_cl45_read(bp, phy,
8778 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8779 	bnx2x_cl45_read(bp, phy,
8780 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8781 	bnx2x_cl45_read(bp, phy,
8782 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8783 	bnx2x_cl45_read(bp, phy,
8784 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8785 
8786 	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8787 			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8788 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8789 	 * are set, or if the autoneg bit 1 is set
8790 	 */
8791 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8792 	if (link_up) {
8793 		if (val2 & (1<<1))
8794 			vars->line_speed = SPEED_1000;
8795 		else
8796 			vars->line_speed = SPEED_10000;
8797 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8798 		vars->duplex = DUPLEX_FULL;
8799 	}
8800 
8801 	/* Capture 10G link fault. Read twice to clear stale value. */
8802 	if (vars->line_speed == SPEED_10000) {
8803 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8804 			    MDIO_PMA_LASI_TXSTAT, &val1);
8805 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8806 			    MDIO_PMA_LASI_TXSTAT, &val1);
8807 		if (val1 & (1<<0))
8808 			vars->fault_detected = 1;
8809 	}
8810 
8811 	return link_up;
8812 }
8813 
8814 /******************************************************************/
8815 /*			BCM8706 PHY SECTION			  */
8816 /******************************************************************/
8817 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8818 				 struct link_params *params,
8819 				 struct link_vars *vars)
8820 {
8821 	u32 tx_en_mode;
8822 	u16 cnt, val, tmp1;
8823 	struct bnx2x *bp = params->bp;
8824 
8825 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8826 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8827 	/* HW reset */
8828 	bnx2x_ext_phy_hw_reset(bp, params->port);
8829 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8830 	bnx2x_wait_reset_complete(bp, phy, params);
8831 
8832 	/* Wait until fw is loaded */
8833 	for (cnt = 0; cnt < 100; cnt++) {
8834 		bnx2x_cl45_read(bp, phy,
8835 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8836 		if (val)
8837 			break;
8838 		usleep_range(10000, 20000);
8839 	}
8840 	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8841 	if ((params->feature_config_flags &
8842 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8843 		u8 i;
8844 		u16 reg;
8845 		for (i = 0; i < 4; i++) {
8846 			reg = MDIO_XS_8706_REG_BANK_RX0 +
8847 				i*(MDIO_XS_8706_REG_BANK_RX1 -
8848 				   MDIO_XS_8706_REG_BANK_RX0);
8849 			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8850 			/* Clear first 3 bits of the control */
8851 			val &= ~0x7;
8852 			/* Set control bits according to configuration */
8853 			val |= (phy->rx_preemphasis[i] & 0x7);
8854 			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8855 				   " reg 0x%x <-- val 0x%x\n", reg, val);
8856 			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8857 		}
8858 	}
8859 	/* Force speed */
8860 	if (phy->req_line_speed == SPEED_10000) {
8861 		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8862 
8863 		bnx2x_cl45_write(bp, phy,
8864 				 MDIO_PMA_DEVAD,
8865 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8866 		bnx2x_cl45_write(bp, phy,
8867 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8868 				 0);
8869 		/* Arm LASI for link and Tx fault. */
8870 		bnx2x_cl45_write(bp, phy,
8871 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8872 	} else {
8873 		/* Force 1Gbps using autoneg with 1G advertisement */
8874 
8875 		/* Allow CL37 through CL73 */
8876 		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8877 		bnx2x_cl45_write(bp, phy,
8878 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8879 
8880 		/* Enable Full-Duplex advertisement on CL37 */
8881 		bnx2x_cl45_write(bp, phy,
8882 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8883 		/* Enable CL37 AN */
8884 		bnx2x_cl45_write(bp, phy,
8885 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8886 		/* 1G support */
8887 		bnx2x_cl45_write(bp, phy,
8888 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8889 
8890 		/* Enable clause 73 AN */
8891 		bnx2x_cl45_write(bp, phy,
8892 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8893 		bnx2x_cl45_write(bp, phy,
8894 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8895 				 0x0400);
8896 		bnx2x_cl45_write(bp, phy,
8897 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8898 				 0x0004);
8899 	}
8900 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8901 
8902 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8903 	 * power mode, if TX Laser is disabled
8904 	 */
8905 
8906 	tx_en_mode = REG_RD(bp, params->shmem_base +
8907 			    offsetof(struct shmem_region,
8908 				dev_info.port_hw_config[params->port].sfp_ctrl))
8909 			& PORT_HW_CFG_TX_LASER_MASK;
8910 
8911 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8912 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8913 		bnx2x_cl45_read(bp, phy,
8914 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8915 		tmp1 |= 0x1;
8916 		bnx2x_cl45_write(bp, phy,
8917 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8918 	}
8919 
8920 	return 0;
8921 }
8922 
8923 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8924 				  struct link_params *params,
8925 				  struct link_vars *vars)
8926 {
8927 	return bnx2x_8706_8726_read_status(phy, params, vars);
8928 }
8929 
8930 /******************************************************************/
8931 /*			BCM8726 PHY SECTION			  */
8932 /******************************************************************/
8933 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8934 				       struct link_params *params)
8935 {
8936 	struct bnx2x *bp = params->bp;
8937 	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8938 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8939 }
8940 
8941 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8942 					 struct link_params *params)
8943 {
8944 	struct bnx2x *bp = params->bp;
8945 	/* Need to wait 100ms after reset */
8946 	msleep(100);
8947 
8948 	/* Micro controller re-boot */
8949 	bnx2x_cl45_write(bp, phy,
8950 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8951 
8952 	/* Set soft reset */
8953 	bnx2x_cl45_write(bp, phy,
8954 			 MDIO_PMA_DEVAD,
8955 			 MDIO_PMA_REG_GEN_CTRL,
8956 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8957 
8958 	bnx2x_cl45_write(bp, phy,
8959 			 MDIO_PMA_DEVAD,
8960 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8961 
8962 	bnx2x_cl45_write(bp, phy,
8963 			 MDIO_PMA_DEVAD,
8964 			 MDIO_PMA_REG_GEN_CTRL,
8965 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8966 
8967 	/* Wait for 150ms for microcode load */
8968 	msleep(150);
8969 
8970 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8971 	bnx2x_cl45_write(bp, phy,
8972 			 MDIO_PMA_DEVAD,
8973 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8974 
8975 	msleep(200);
8976 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8977 }
8978 
8979 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8980 				 struct link_params *params,
8981 				 struct link_vars *vars)
8982 {
8983 	struct bnx2x *bp = params->bp;
8984 	u16 val1;
8985 	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8986 	if (link_up) {
8987 		bnx2x_cl45_read(bp, phy,
8988 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8989 				&val1);
8990 		if (val1 & (1<<15)) {
8991 			DP(NETIF_MSG_LINK, "Tx is disabled\n");
8992 			link_up = 0;
8993 			vars->line_speed = 0;
8994 		}
8995 	}
8996 	return link_up;
8997 }
8998 
8999 
9000 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9001 				  struct link_params *params,
9002 				  struct link_vars *vars)
9003 {
9004 	struct bnx2x *bp = params->bp;
9005 	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9006 
9007 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9008 	bnx2x_wait_reset_complete(bp, phy, params);
9009 
9010 	bnx2x_8726_external_rom_boot(phy, params);
9011 
9012 	/* Need to call module detected on initialization since the module
9013 	 * detection triggered by actual module insertion might occur before
9014 	 * driver is loaded, and when driver is loaded, it reset all
9015 	 * registers, including the transmitter
9016 	 */
9017 	bnx2x_sfp_module_detection(phy, params);
9018 
9019 	if (phy->req_line_speed == SPEED_1000) {
9020 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9021 		bnx2x_cl45_write(bp, phy,
9022 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9023 		bnx2x_cl45_write(bp, phy,
9024 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9025 		bnx2x_cl45_write(bp, phy,
9026 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9027 		bnx2x_cl45_write(bp, phy,
9028 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9029 				 0x400);
9030 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9031 		   (phy->speed_cap_mask &
9032 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9033 		   ((phy->speed_cap_mask &
9034 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9035 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9036 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9037 		/* Set Flow control */
9038 		bnx2x_ext_phy_set_pause(params, phy, vars);
9039 		bnx2x_cl45_write(bp, phy,
9040 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9041 		bnx2x_cl45_write(bp, phy,
9042 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9043 		bnx2x_cl45_write(bp, phy,
9044 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9045 		bnx2x_cl45_write(bp, phy,
9046 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9047 		bnx2x_cl45_write(bp, phy,
9048 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9049 		/* Enable RX-ALARM control to receive interrupt for 1G speed
9050 		 * change
9051 		 */
9052 		bnx2x_cl45_write(bp, phy,
9053 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9054 		bnx2x_cl45_write(bp, phy,
9055 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9056 				 0x400);
9057 
9058 	} else { /* Default 10G. Set only LASI control */
9059 		bnx2x_cl45_write(bp, phy,
9060 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9061 	}
9062 
9063 	/* Set TX PreEmphasis if needed */
9064 	if ((params->feature_config_flags &
9065 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9066 		DP(NETIF_MSG_LINK,
9067 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9068 			 phy->tx_preemphasis[0],
9069 			 phy->tx_preemphasis[1]);
9070 		bnx2x_cl45_write(bp, phy,
9071 				 MDIO_PMA_DEVAD,
9072 				 MDIO_PMA_REG_8726_TX_CTRL1,
9073 				 phy->tx_preemphasis[0]);
9074 
9075 		bnx2x_cl45_write(bp, phy,
9076 				 MDIO_PMA_DEVAD,
9077 				 MDIO_PMA_REG_8726_TX_CTRL2,
9078 				 phy->tx_preemphasis[1]);
9079 	}
9080 
9081 	return 0;
9082 
9083 }
9084 
9085 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9086 				  struct link_params *params)
9087 {
9088 	struct bnx2x *bp = params->bp;
9089 	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9090 	/* Set serial boot control for external load */
9091 	bnx2x_cl45_write(bp, phy,
9092 			 MDIO_PMA_DEVAD,
9093 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9094 }
9095 
9096 /******************************************************************/
9097 /*			BCM8727 PHY SECTION			  */
9098 /******************************************************************/
9099 
9100 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9101 				    struct link_params *params, u8 mode)
9102 {
9103 	struct bnx2x *bp = params->bp;
9104 	u16 led_mode_bitmask = 0;
9105 	u16 gpio_pins_bitmask = 0;
9106 	u16 val;
9107 	/* Only NOC flavor requires to set the LED specifically */
9108 	if (!(phy->flags & FLAGS_NOC))
9109 		return;
9110 	switch (mode) {
9111 	case LED_MODE_FRONT_PANEL_OFF:
9112 	case LED_MODE_OFF:
9113 		led_mode_bitmask = 0;
9114 		gpio_pins_bitmask = 0x03;
9115 		break;
9116 	case LED_MODE_ON:
9117 		led_mode_bitmask = 0;
9118 		gpio_pins_bitmask = 0x02;
9119 		break;
9120 	case LED_MODE_OPER:
9121 		led_mode_bitmask = 0x60;
9122 		gpio_pins_bitmask = 0x11;
9123 		break;
9124 	}
9125 	bnx2x_cl45_read(bp, phy,
9126 			MDIO_PMA_DEVAD,
9127 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9128 			&val);
9129 	val &= 0xff8f;
9130 	val |= led_mode_bitmask;
9131 	bnx2x_cl45_write(bp, phy,
9132 			 MDIO_PMA_DEVAD,
9133 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9134 			 val);
9135 	bnx2x_cl45_read(bp, phy,
9136 			MDIO_PMA_DEVAD,
9137 			MDIO_PMA_REG_8727_GPIO_CTRL,
9138 			&val);
9139 	val &= 0xffe0;
9140 	val |= gpio_pins_bitmask;
9141 	bnx2x_cl45_write(bp, phy,
9142 			 MDIO_PMA_DEVAD,
9143 			 MDIO_PMA_REG_8727_GPIO_CTRL,
9144 			 val);
9145 }
9146 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9147 				struct link_params *params) {
9148 	u32 swap_val, swap_override;
9149 	u8 port;
9150 	/* The PHY reset is controlled by GPIO 1. Fake the port number
9151 	 * to cancel the swap done in set_gpio()
9152 	 */
9153 	struct bnx2x *bp = params->bp;
9154 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9155 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9156 	port = (swap_val && swap_override) ^ 1;
9157 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9158 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9159 }
9160 
9161 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9162 				    struct link_params *params)
9163 {
9164 	struct bnx2x *bp = params->bp;
9165 	u16 tmp1, val;
9166 	/* Set option 1G speed */
9167 	if ((phy->req_line_speed == SPEED_1000) ||
9168 	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9169 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9170 		bnx2x_cl45_write(bp, phy,
9171 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9172 		bnx2x_cl45_write(bp, phy,
9173 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9174 		bnx2x_cl45_read(bp, phy,
9175 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9176 		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9177 		/* Power down the XAUI until link is up in case of dual-media
9178 		 * and 1G
9179 		 */
9180 		if (DUAL_MEDIA(params)) {
9181 			bnx2x_cl45_read(bp, phy,
9182 					MDIO_PMA_DEVAD,
9183 					MDIO_PMA_REG_8727_PCS_GP, &val);
9184 			val |= (3<<10);
9185 			bnx2x_cl45_write(bp, phy,
9186 					 MDIO_PMA_DEVAD,
9187 					 MDIO_PMA_REG_8727_PCS_GP, val);
9188 		}
9189 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9190 		   ((phy->speed_cap_mask &
9191 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9192 		   ((phy->speed_cap_mask &
9193 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9194 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9195 
9196 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9197 		bnx2x_cl45_write(bp, phy,
9198 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9199 		bnx2x_cl45_write(bp, phy,
9200 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9201 	} else {
9202 		/* Since the 8727 has only single reset pin, need to set the 10G
9203 		 * registers although it is default
9204 		 */
9205 		bnx2x_cl45_write(bp, phy,
9206 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9207 				 0x0020);
9208 		bnx2x_cl45_write(bp, phy,
9209 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9210 		bnx2x_cl45_write(bp, phy,
9211 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9212 		bnx2x_cl45_write(bp, phy,
9213 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9214 				 0x0008);
9215 	}
9216 }
9217 
9218 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9219 				  struct link_params *params,
9220 				  struct link_vars *vars)
9221 {
9222 	u32 tx_en_mode;
9223 	u16 tmp1, mod_abs, tmp2;
9224 	struct bnx2x *bp = params->bp;
9225 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9226 
9227 	bnx2x_wait_reset_complete(bp, phy, params);
9228 
9229 	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9230 
9231 	bnx2x_8727_specific_func(phy, params, PHY_INIT);
9232 	/* Initially configure MOD_ABS to interrupt when module is
9233 	 * presence( bit 8)
9234 	 */
9235 	bnx2x_cl45_read(bp, phy,
9236 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9237 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9238 	 * When the EDC is off it locks onto a reference clock and avoids
9239 	 * becoming 'lost'
9240 	 */
9241 	mod_abs &= ~(1<<8);
9242 	if (!(phy->flags & FLAGS_NOC))
9243 		mod_abs &= ~(1<<9);
9244 	bnx2x_cl45_write(bp, phy,
9245 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9246 
9247 	/* Enable/Disable PHY transmitter output */
9248 	bnx2x_set_disable_pmd_transmit(params, phy, 0);
9249 
9250 	bnx2x_8727_power_module(bp, phy, 1);
9251 
9252 	bnx2x_cl45_read(bp, phy,
9253 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9254 
9255 	bnx2x_cl45_read(bp, phy,
9256 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9257 
9258 	bnx2x_8727_config_speed(phy, params);
9259 
9260 
9261 	/* Set TX PreEmphasis if needed */
9262 	if ((params->feature_config_flags &
9263 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9264 		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9265 			   phy->tx_preemphasis[0],
9266 			   phy->tx_preemphasis[1]);
9267 		bnx2x_cl45_write(bp, phy,
9268 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9269 				 phy->tx_preemphasis[0]);
9270 
9271 		bnx2x_cl45_write(bp, phy,
9272 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9273 				 phy->tx_preemphasis[1]);
9274 	}
9275 
9276 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9277 	 * power mode, if TX Laser is disabled
9278 	 */
9279 	tx_en_mode = REG_RD(bp, params->shmem_base +
9280 			    offsetof(struct shmem_region,
9281 				dev_info.port_hw_config[params->port].sfp_ctrl))
9282 			& PORT_HW_CFG_TX_LASER_MASK;
9283 
9284 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9285 
9286 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9287 		bnx2x_cl45_read(bp, phy,
9288 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9289 		tmp2 |= 0x1000;
9290 		tmp2 &= 0xFFEF;
9291 		bnx2x_cl45_write(bp, phy,
9292 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9293 		bnx2x_cl45_read(bp, phy,
9294 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9295 				&tmp2);
9296 		bnx2x_cl45_write(bp, phy,
9297 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9298 				 (tmp2 & 0x7fff));
9299 	}
9300 
9301 	return 0;
9302 }
9303 
9304 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9305 				      struct link_params *params)
9306 {
9307 	struct bnx2x *bp = params->bp;
9308 	u16 mod_abs, rx_alarm_status;
9309 	u32 val = REG_RD(bp, params->shmem_base +
9310 			     offsetof(struct shmem_region, dev_info.
9311 				      port_feature_config[params->port].
9312 				      config));
9313 	bnx2x_cl45_read(bp, phy,
9314 			MDIO_PMA_DEVAD,
9315 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9316 	if (mod_abs & (1<<8)) {
9317 
9318 		/* Module is absent */
9319 		DP(NETIF_MSG_LINK,
9320 		   "MOD_ABS indication show module is absent\n");
9321 		phy->media_type = ETH_PHY_NOT_PRESENT;
9322 		/* 1. Set mod_abs to detect next module
9323 		 *    presence event
9324 		 * 2. Set EDC off by setting OPTXLOS signal input to low
9325 		 *    (bit 9).
9326 		 *    When the EDC is off it locks onto a reference clock and
9327 		 *    avoids becoming 'lost'.
9328 		 */
9329 		mod_abs &= ~(1<<8);
9330 		if (!(phy->flags & FLAGS_NOC))
9331 			mod_abs &= ~(1<<9);
9332 		bnx2x_cl45_write(bp, phy,
9333 				 MDIO_PMA_DEVAD,
9334 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9335 
9336 		/* Clear RX alarm since it stays up as long as
9337 		 * the mod_abs wasn't changed
9338 		 */
9339 		bnx2x_cl45_read(bp, phy,
9340 				MDIO_PMA_DEVAD,
9341 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9342 
9343 	} else {
9344 		/* Module is present */
9345 		DP(NETIF_MSG_LINK,
9346 		   "MOD_ABS indication show module is present\n");
9347 		/* First disable transmitter, and if the module is ok, the
9348 		 * module_detection will enable it
9349 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9350 		 * 2. Restore the default polarity of the OPRXLOS signal and
9351 		 * this signal will then correctly indicate the presence or
9352 		 * absence of the Rx signal. (bit 9)
9353 		 */
9354 		mod_abs |= (1<<8);
9355 		if (!(phy->flags & FLAGS_NOC))
9356 			mod_abs |= (1<<9);
9357 		bnx2x_cl45_write(bp, phy,
9358 				 MDIO_PMA_DEVAD,
9359 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9360 
9361 		/* Clear RX alarm since it stays up as long as the mod_abs
9362 		 * wasn't changed. This is need to be done before calling the
9363 		 * module detection, otherwise it will clear* the link update
9364 		 * alarm
9365 		 */
9366 		bnx2x_cl45_read(bp, phy,
9367 				MDIO_PMA_DEVAD,
9368 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9369 
9370 
9371 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9372 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9373 			bnx2x_sfp_set_transmitter(params, phy, 0);
9374 
9375 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9376 			bnx2x_sfp_module_detection(phy, params);
9377 		else
9378 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9379 
9380 		/* Reconfigure link speed based on module type limitations */
9381 		bnx2x_8727_config_speed(phy, params);
9382 	}
9383 
9384 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9385 		   rx_alarm_status);
9386 	/* No need to check link status in case of module plugged in/out */
9387 }
9388 
9389 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9390 				 struct link_params *params,
9391 				 struct link_vars *vars)
9392 
9393 {
9394 	struct bnx2x *bp = params->bp;
9395 	u8 link_up = 0, oc_port = params->port;
9396 	u16 link_status = 0;
9397 	u16 rx_alarm_status, lasi_ctrl, val1;
9398 
9399 	/* If PHY is not initialized, do not check link status */
9400 	bnx2x_cl45_read(bp, phy,
9401 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9402 			&lasi_ctrl);
9403 	if (!lasi_ctrl)
9404 		return 0;
9405 
9406 	/* Check the LASI on Rx */
9407 	bnx2x_cl45_read(bp, phy,
9408 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9409 			&rx_alarm_status);
9410 	vars->line_speed = 0;
9411 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9412 
9413 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9414 			     MDIO_PMA_LASI_TXCTRL);
9415 
9416 	bnx2x_cl45_read(bp, phy,
9417 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9418 
9419 	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9420 
9421 	/* Clear MSG-OUT */
9422 	bnx2x_cl45_read(bp, phy,
9423 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9424 
9425 	/* If a module is present and there is need to check
9426 	 * for over current
9427 	 */
9428 	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9429 		/* Check over-current using 8727 GPIO0 input*/
9430 		bnx2x_cl45_read(bp, phy,
9431 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9432 				&val1);
9433 
9434 		if ((val1 & (1<<8)) == 0) {
9435 			if (!CHIP_IS_E1x(bp))
9436 				oc_port = BP_PATH(bp) + (params->port << 1);
9437 			DP(NETIF_MSG_LINK,
9438 			   "8727 Power fault has been detected on port %d\n",
9439 			   oc_port);
9440 			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9441 					    "been detected and the power to "
9442 					    "that SFP+ module has been removed "
9443 					    "to prevent failure of the card. "
9444 					    "Please remove the SFP+ module and "
9445 					    "restart the system to clear this "
9446 					    "error.\n",
9447 			 oc_port);
9448 			/* Disable all RX_ALARMs except for mod_abs */
9449 			bnx2x_cl45_write(bp, phy,
9450 					 MDIO_PMA_DEVAD,
9451 					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9452 
9453 			bnx2x_cl45_read(bp, phy,
9454 					MDIO_PMA_DEVAD,
9455 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9456 			/* Wait for module_absent_event */
9457 			val1 |= (1<<8);
9458 			bnx2x_cl45_write(bp, phy,
9459 					 MDIO_PMA_DEVAD,
9460 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9461 			/* Clear RX alarm */
9462 			bnx2x_cl45_read(bp, phy,
9463 				MDIO_PMA_DEVAD,
9464 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9465 			bnx2x_8727_power_module(params->bp, phy, 0);
9466 			return 0;
9467 		}
9468 	} /* Over current check */
9469 
9470 	/* When module absent bit is set, check module */
9471 	if (rx_alarm_status & (1<<5)) {
9472 		bnx2x_8727_handle_mod_abs(phy, params);
9473 		/* Enable all mod_abs and link detection bits */
9474 		bnx2x_cl45_write(bp, phy,
9475 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9476 				 ((1<<5) | (1<<2)));
9477 	}
9478 
9479 	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9480 		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9481 		bnx2x_sfp_set_transmitter(params, phy, 1);
9482 	} else {
9483 		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9484 		return 0;
9485 	}
9486 
9487 	bnx2x_cl45_read(bp, phy,
9488 			MDIO_PMA_DEVAD,
9489 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9490 
9491 	/* Bits 0..2 --> speed detected,
9492 	 * Bits 13..15--> link is down
9493 	 */
9494 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9495 		link_up = 1;
9496 		vars->line_speed = SPEED_10000;
9497 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9498 			   params->port);
9499 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9500 		link_up = 1;
9501 		vars->line_speed = SPEED_1000;
9502 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9503 			   params->port);
9504 	} else {
9505 		link_up = 0;
9506 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9507 			   params->port);
9508 	}
9509 
9510 	/* Capture 10G link fault. */
9511 	if (vars->line_speed == SPEED_10000) {
9512 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9513 			    MDIO_PMA_LASI_TXSTAT, &val1);
9514 
9515 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9516 			    MDIO_PMA_LASI_TXSTAT, &val1);
9517 
9518 		if (val1 & (1<<0)) {
9519 			vars->fault_detected = 1;
9520 		}
9521 	}
9522 
9523 	if (link_up) {
9524 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9525 		vars->duplex = DUPLEX_FULL;
9526 		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9527 	}
9528 
9529 	if ((DUAL_MEDIA(params)) &&
9530 	    (phy->req_line_speed == SPEED_1000)) {
9531 		bnx2x_cl45_read(bp, phy,
9532 				MDIO_PMA_DEVAD,
9533 				MDIO_PMA_REG_8727_PCS_GP, &val1);
9534 		/* In case of dual-media board and 1G, power up the XAUI side,
9535 		 * otherwise power it down. For 10G it is done automatically
9536 		 */
9537 		if (link_up)
9538 			val1 &= ~(3<<10);
9539 		else
9540 			val1 |= (3<<10);
9541 		bnx2x_cl45_write(bp, phy,
9542 				 MDIO_PMA_DEVAD,
9543 				 MDIO_PMA_REG_8727_PCS_GP, val1);
9544 	}
9545 	return link_up;
9546 }
9547 
9548 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9549 				  struct link_params *params)
9550 {
9551 	struct bnx2x *bp = params->bp;
9552 
9553 	/* Enable/Disable PHY transmitter output */
9554 	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9555 
9556 	/* Disable Transmitter */
9557 	bnx2x_sfp_set_transmitter(params, phy, 0);
9558 	/* Clear LASI */
9559 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9560 
9561 }
9562 
9563 /******************************************************************/
9564 /*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9565 /******************************************************************/
9566 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9567 					    struct bnx2x *bp,
9568 					    u8 port)
9569 {
9570 	u16 val, fw_ver2, cnt, i;
9571 	static struct bnx2x_reg_set reg_set[] = {
9572 		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
9573 		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9574 		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9575 		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9576 		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
9577 	};
9578 	u16 fw_ver1;
9579 
9580 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9581 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9582 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9583 		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9584 				phy->ver_addr);
9585 	} else {
9586 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9587 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9588 		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9589 			bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9590 					 reg_set[i].reg, reg_set[i].val);
9591 
9592 		for (cnt = 0; cnt < 100; cnt++) {
9593 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9594 			if (val & 1)
9595 				break;
9596 			udelay(5);
9597 		}
9598 		if (cnt == 100) {
9599 			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9600 					"phy fw version(1)\n");
9601 			bnx2x_save_spirom_version(bp, port, 0,
9602 						  phy->ver_addr);
9603 			return;
9604 		}
9605 
9606 
9607 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9608 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9609 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9610 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9611 		for (cnt = 0; cnt < 100; cnt++) {
9612 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9613 			if (val & 1)
9614 				break;
9615 			udelay(5);
9616 		}
9617 		if (cnt == 100) {
9618 			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9619 					"version(2)\n");
9620 			bnx2x_save_spirom_version(bp, port, 0,
9621 						  phy->ver_addr);
9622 			return;
9623 		}
9624 
9625 		/* lower 16 bits of the register SPI_FW_STATUS */
9626 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9627 		/* upper 16 bits of register SPI_FW_STATUS */
9628 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9629 
9630 		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9631 					  phy->ver_addr);
9632 	}
9633 
9634 }
9635 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9636 				struct bnx2x_phy *phy)
9637 {
9638 	u16 val, offset, i;
9639 	static struct bnx2x_reg_set reg_set[] = {
9640 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9641 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9642 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9643 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9644 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9645 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9646 		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9647 	};
9648 	/* PHYC_CTL_LED_CTL */
9649 	bnx2x_cl45_read(bp, phy,
9650 			MDIO_PMA_DEVAD,
9651 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9652 	val &= 0xFE00;
9653 	val |= 0x0092;
9654 
9655 	bnx2x_cl45_write(bp, phy,
9656 			 MDIO_PMA_DEVAD,
9657 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9658 
9659 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9660 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9661 				 reg_set[i].val);
9662 
9663 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9664 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
9665 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9666 	else
9667 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9668 
9669 	/* stretch_en for LED3*/
9670 	bnx2x_cl45_read_or_write(bp, phy,
9671 				 MDIO_PMA_DEVAD, offset,
9672 				 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
9673 }
9674 
9675 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9676 				      struct link_params *params,
9677 				      u32 action)
9678 {
9679 	struct bnx2x *bp = params->bp;
9680 	switch (action) {
9681 	case PHY_INIT:
9682 		if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9683 		    (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9684 			/* Save spirom version */
9685 			bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9686 		}
9687 		/* This phy uses the NIG latch mechanism since link indication
9688 		 * arrives through its LED4 and not via its LASI signal, so we
9689 		 * get steady signal instead of clear on read
9690 		 */
9691 		bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9692 			      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9693 
9694 		bnx2x_848xx_set_led(bp, phy);
9695 		break;
9696 	}
9697 }
9698 
9699 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9700 				       struct link_params *params,
9701 				       struct link_vars *vars)
9702 {
9703 	struct bnx2x *bp = params->bp;
9704 	u16 autoneg_val, an_1000_val, an_10_100_val;
9705 
9706 	bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9707 	bnx2x_cl45_write(bp, phy,
9708 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9709 
9710 	/* set 1000 speed advertisement */
9711 	bnx2x_cl45_read(bp, phy,
9712 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9713 			&an_1000_val);
9714 
9715 	bnx2x_ext_phy_set_pause(params, phy, vars);
9716 	bnx2x_cl45_read(bp, phy,
9717 			MDIO_AN_DEVAD,
9718 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9719 			&an_10_100_val);
9720 	bnx2x_cl45_read(bp, phy,
9721 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9722 			&autoneg_val);
9723 	/* Disable forced speed */
9724 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9725 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9726 
9727 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9728 	     (phy->speed_cap_mask &
9729 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9730 	    (phy->req_line_speed == SPEED_1000)) {
9731 		an_1000_val |= (1<<8);
9732 		autoneg_val |= (1<<9 | 1<<12);
9733 		if (phy->req_duplex == DUPLEX_FULL)
9734 			an_1000_val |= (1<<9);
9735 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9736 	} else
9737 		an_1000_val &= ~((1<<8) | (1<<9));
9738 
9739 	bnx2x_cl45_write(bp, phy,
9740 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9741 			 an_1000_val);
9742 
9743 	/* Set 10/100 speed advertisement */
9744 	if (phy->req_line_speed == SPEED_AUTO_NEG) {
9745 		if (phy->speed_cap_mask &
9746 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9747 			/* Enable autoneg and restart autoneg for legacy speeds
9748 			 */
9749 			autoneg_val |= (1<<9 | 1<<12);
9750 			an_10_100_val |= (1<<8);
9751 			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9752 		}
9753 
9754 		if (phy->speed_cap_mask &
9755 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9756 			/* Enable autoneg and restart autoneg for legacy speeds
9757 			 */
9758 			autoneg_val |= (1<<9 | 1<<12);
9759 			an_10_100_val |= (1<<7);
9760 			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9761 		}
9762 
9763 		if ((phy->speed_cap_mask &
9764 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9765 		    (phy->supported & SUPPORTED_10baseT_Full)) {
9766 			an_10_100_val |= (1<<6);
9767 			autoneg_val |= (1<<9 | 1<<12);
9768 			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9769 		}
9770 
9771 		if ((phy->speed_cap_mask &
9772 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9773 		    (phy->supported & SUPPORTED_10baseT_Half)) {
9774 			an_10_100_val |= (1<<5);
9775 			autoneg_val |= (1<<9 | 1<<12);
9776 			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9777 		}
9778 	}
9779 
9780 	/* Only 10/100 are allowed to work in FORCE mode */
9781 	if ((phy->req_line_speed == SPEED_100) &&
9782 	    (phy->supported &
9783 	     (SUPPORTED_100baseT_Half |
9784 	      SUPPORTED_100baseT_Full))) {
9785 		autoneg_val |= (1<<13);
9786 		/* Enabled AUTO-MDIX when autoneg is disabled */
9787 		bnx2x_cl45_write(bp, phy,
9788 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9789 				 (1<<15 | 1<<9 | 7<<0));
9790 		/* The PHY needs this set even for forced link. */
9791 		an_10_100_val |= (1<<8) | (1<<7);
9792 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9793 	}
9794 	if ((phy->req_line_speed == SPEED_10) &&
9795 	    (phy->supported &
9796 	     (SUPPORTED_10baseT_Half |
9797 	      SUPPORTED_10baseT_Full))) {
9798 		/* Enabled AUTO-MDIX when autoneg is disabled */
9799 		bnx2x_cl45_write(bp, phy,
9800 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9801 				 (1<<15 | 1<<9 | 7<<0));
9802 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9803 	}
9804 
9805 	bnx2x_cl45_write(bp, phy,
9806 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9807 			 an_10_100_val);
9808 
9809 	if (phy->req_duplex == DUPLEX_FULL)
9810 		autoneg_val |= (1<<8);
9811 
9812 	/* Always write this if this is not 84833/4.
9813 	 * For 84833/4, write it only when it's a forced speed.
9814 	 */
9815 	if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9816 	     (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
9817 	    ((autoneg_val & (1<<12)) == 0))
9818 		bnx2x_cl45_write(bp, phy,
9819 			 MDIO_AN_DEVAD,
9820 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9821 
9822 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9823 	    (phy->speed_cap_mask &
9824 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9825 		(phy->req_line_speed == SPEED_10000)) {
9826 			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9827 			/* Restart autoneg for 10G*/
9828 
9829 			bnx2x_cl45_read_or_write(
9830 				bp, phy,
9831 				MDIO_AN_DEVAD,
9832 				MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9833 				0x1000);
9834 			bnx2x_cl45_write(bp, phy,
9835 					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9836 					 0x3200);
9837 	} else
9838 		bnx2x_cl45_write(bp, phy,
9839 				 MDIO_AN_DEVAD,
9840 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9841 				 1);
9842 
9843 	return 0;
9844 }
9845 
9846 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9847 				  struct link_params *params,
9848 				  struct link_vars *vars)
9849 {
9850 	struct bnx2x *bp = params->bp;
9851 	/* Restore normal power mode*/
9852 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9853 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9854 
9855 	/* HW reset */
9856 	bnx2x_ext_phy_hw_reset(bp, params->port);
9857 	bnx2x_wait_reset_complete(bp, phy, params);
9858 
9859 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9860 	return bnx2x_848xx_cmn_config_init(phy, params, vars);
9861 }
9862 
9863 #define PHY84833_CMDHDLR_WAIT 300
9864 #define PHY84833_CMDHDLR_MAX_ARGS 5
9865 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9866 				struct link_params *params, u16 fw_cmd,
9867 				u16 cmd_args[], int argc)
9868 {
9869 	int idx;
9870 	u16 val;
9871 	struct bnx2x *bp = params->bp;
9872 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
9873 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9874 			MDIO_84833_CMD_HDLR_STATUS,
9875 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9876 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9877 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9878 				MDIO_84833_CMD_HDLR_STATUS, &val);
9879 		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9880 			break;
9881 		usleep_range(1000, 2000);
9882 	}
9883 	if (idx >= PHY84833_CMDHDLR_WAIT) {
9884 		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9885 		return -EINVAL;
9886 	}
9887 
9888 	/* Prepare argument(s) and issue command */
9889 	for (idx = 0; idx < argc; idx++) {
9890 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9891 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9892 				cmd_args[idx]);
9893 	}
9894 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9895 			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9896 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9897 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9898 				MDIO_84833_CMD_HDLR_STATUS, &val);
9899 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9900 			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9901 			break;
9902 		usleep_range(1000, 2000);
9903 	}
9904 	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9905 		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9906 		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9907 		return -EINVAL;
9908 	}
9909 	/* Gather returning data */
9910 	for (idx = 0; idx < argc; idx++) {
9911 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9912 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9913 				&cmd_args[idx]);
9914 	}
9915 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9916 			MDIO_84833_CMD_HDLR_STATUS,
9917 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9918 	return 0;
9919 }
9920 
9921 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9922 				   struct link_params *params,
9923 				   struct link_vars *vars)
9924 {
9925 	u32 pair_swap;
9926 	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9927 	int status;
9928 	struct bnx2x *bp = params->bp;
9929 
9930 	/* Check for configuration. */
9931 	pair_swap = REG_RD(bp, params->shmem_base +
9932 			   offsetof(struct shmem_region,
9933 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9934 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9935 
9936 	if (pair_swap == 0)
9937 		return 0;
9938 
9939 	/* Only the second argument is used for this command */
9940 	data[1] = (u16)pair_swap;
9941 
9942 	status = bnx2x_84833_cmd_hdlr(phy, params,
9943 		PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9944 	if (status == 0)
9945 		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9946 
9947 	return status;
9948 }
9949 
9950 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9951 				      u32 shmem_base_path[],
9952 				      u32 chip_id)
9953 {
9954 	u32 reset_pin[2];
9955 	u32 idx;
9956 	u8 reset_gpios;
9957 	if (CHIP_IS_E3(bp)) {
9958 		/* Assume that these will be GPIOs, not EPIOs. */
9959 		for (idx = 0; idx < 2; idx++) {
9960 			/* Map config param to register bit. */
9961 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9962 				offsetof(struct shmem_region,
9963 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9964 			reset_pin[idx] = (reset_pin[idx] &
9965 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9966 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9967 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9968 			reset_pin[idx] = (1 << reset_pin[idx]);
9969 		}
9970 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9971 	} else {
9972 		/* E2, look from diff place of shmem. */
9973 		for (idx = 0; idx < 2; idx++) {
9974 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9975 				offsetof(struct shmem_region,
9976 				dev_info.port_hw_config[0].default_cfg));
9977 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9978 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9979 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9980 			reset_pin[idx] = (1 << reset_pin[idx]);
9981 		}
9982 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9983 	}
9984 
9985 	return reset_gpios;
9986 }
9987 
9988 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9989 				struct link_params *params)
9990 {
9991 	struct bnx2x *bp = params->bp;
9992 	u8 reset_gpios;
9993 	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9994 				offsetof(struct shmem2_region,
9995 				other_shmem_base_addr));
9996 
9997 	u32 shmem_base_path[2];
9998 
9999 	/* Work around for 84833 LED failure inside RESET status */
10000 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10001 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10002 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10003 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10004 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10005 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10006 
10007 	shmem_base_path[0] = params->shmem_base;
10008 	shmem_base_path[1] = other_shmem_base_addr;
10009 
10010 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10011 						  params->chip_id);
10012 
10013 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10014 	udelay(10);
10015 	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10016 		reset_gpios);
10017 
10018 	return 0;
10019 }
10020 
10021 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10022 				   struct link_params *params,
10023 				   struct link_vars *vars)
10024 {
10025 	int rc;
10026 	struct bnx2x *bp = params->bp;
10027 	u16 cmd_args = 0;
10028 
10029 	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10030 
10031 	/* Prevent Phy from working in EEE and advertising it */
10032 	rc = bnx2x_84833_cmd_hdlr(phy, params,
10033 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10034 	if (rc) {
10035 		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10036 		return rc;
10037 	}
10038 
10039 	return bnx2x_eee_disable(phy, params, vars);
10040 }
10041 
10042 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10043 				   struct link_params *params,
10044 				   struct link_vars *vars)
10045 {
10046 	int rc;
10047 	struct bnx2x *bp = params->bp;
10048 	u16 cmd_args = 1;
10049 
10050 	rc = bnx2x_84833_cmd_hdlr(phy, params,
10051 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10052 	if (rc) {
10053 		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10054 		return rc;
10055 	}
10056 
10057 	return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10058 }
10059 
10060 #define PHY84833_CONSTANT_LATENCY 1193
10061 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10062 				   struct link_params *params,
10063 				   struct link_vars *vars)
10064 {
10065 	struct bnx2x *bp = params->bp;
10066 	u8 port, initialize = 1;
10067 	u16 val;
10068 	u32 actual_phy_selection;
10069 	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
10070 	int rc = 0;
10071 
10072 	usleep_range(1000, 2000);
10073 
10074 	if (!(CHIP_IS_E1x(bp)))
10075 		port = BP_PATH(bp);
10076 	else
10077 		port = params->port;
10078 
10079 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10080 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10081 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10082 			       port);
10083 	} else {
10084 		/* MDIO reset */
10085 		bnx2x_cl45_write(bp, phy,
10086 				MDIO_PMA_DEVAD,
10087 				MDIO_PMA_REG_CTRL, 0x8000);
10088 	}
10089 
10090 	bnx2x_wait_reset_complete(bp, phy, params);
10091 
10092 	/* Wait for GPHY to come out of reset */
10093 	msleep(50);
10094 	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10095 	    (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10096 		/* BCM84823 requires that XGXS links up first @ 10G for normal
10097 		 * behavior.
10098 		 */
10099 		u16 temp;
10100 		temp = vars->line_speed;
10101 		vars->line_speed = SPEED_10000;
10102 		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10103 		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10104 		vars->line_speed = temp;
10105 	}
10106 
10107 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10108 			MDIO_CTL_REG_84823_MEDIA, &val);
10109 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10110 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10111 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10112 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10113 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10114 
10115 	if (CHIP_IS_E3(bp)) {
10116 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10117 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10118 	} else {
10119 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10120 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10121 	}
10122 
10123 	actual_phy_selection = bnx2x_phy_selection(params);
10124 
10125 	switch (actual_phy_selection) {
10126 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10127 		/* Do nothing. Essentially this is like the priority copper */
10128 		break;
10129 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10130 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10131 		break;
10132 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10133 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10134 		break;
10135 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10136 		/* Do nothing here. The first PHY won't be initialized at all */
10137 		break;
10138 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10139 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10140 		initialize = 0;
10141 		break;
10142 	}
10143 	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10144 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10145 
10146 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10147 			 MDIO_CTL_REG_84823_MEDIA, val);
10148 	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10149 		   params->multi_phy_config, val);
10150 
10151 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10152 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10153 		bnx2x_84833_pair_swap_cfg(phy, params, vars);
10154 
10155 		/* Keep AutogrEEEn disabled. */
10156 		cmd_args[0] = 0x0;
10157 		cmd_args[1] = 0x0;
10158 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10159 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10160 		rc = bnx2x_84833_cmd_hdlr(phy, params,
10161 			PHY84833_CMD_SET_EEE_MODE, cmd_args,
10162 			PHY84833_CMDHDLR_MAX_ARGS);
10163 		if (rc)
10164 			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10165 	}
10166 	if (initialize)
10167 		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10168 	else
10169 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10170 	/* 84833 PHY has a better feature and doesn't need to support this. */
10171 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10172 		u32 cms_enable = REG_RD(bp, params->shmem_base +
10173 			offsetof(struct shmem_region,
10174 			dev_info.port_hw_config[params->port].default_cfg)) &
10175 			PORT_HW_CFG_ENABLE_CMS_MASK;
10176 
10177 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10178 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10179 		if (cms_enable)
10180 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10181 		else
10182 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10183 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10184 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10185 	}
10186 
10187 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10188 			MDIO_84833_TOP_CFG_FW_REV, &val);
10189 
10190 	/* Configure EEE support */
10191 	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10192 	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10193 	    bnx2x_eee_has_cap(params)) {
10194 		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10195 		if (rc) {
10196 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10197 			bnx2x_8483x_disable_eee(phy, params, vars);
10198 			return rc;
10199 		}
10200 
10201 		if ((phy->req_duplex == DUPLEX_FULL) &&
10202 		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
10203 		    (bnx2x_eee_calc_timer(params) ||
10204 		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10205 			rc = bnx2x_8483x_enable_eee(phy, params, vars);
10206 		else
10207 			rc = bnx2x_8483x_disable_eee(phy, params, vars);
10208 		if (rc) {
10209 			DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10210 			return rc;
10211 		}
10212 	} else {
10213 		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10214 	}
10215 
10216 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10217 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10218 		/* Bring PHY out of super isolate mode as the final step. */
10219 		bnx2x_cl45_read_and_write(bp, phy,
10220 					  MDIO_CTL_DEVAD,
10221 					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10222 					  (u16)~MDIO_84833_SUPER_ISOLATE);
10223 	}
10224 	return rc;
10225 }
10226 
10227 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10228 				  struct link_params *params,
10229 				  struct link_vars *vars)
10230 {
10231 	struct bnx2x *bp = params->bp;
10232 	u16 val, val1, val2;
10233 	u8 link_up = 0;
10234 
10235 
10236 	/* Check 10G-BaseT link status */
10237 	/* Check PMD signal ok */
10238 	bnx2x_cl45_read(bp, phy,
10239 			MDIO_AN_DEVAD, 0xFFFA, &val1);
10240 	bnx2x_cl45_read(bp, phy,
10241 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10242 			&val2);
10243 	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10244 
10245 	/* Check link 10G */
10246 	if (val2 & (1<<11)) {
10247 		vars->line_speed = SPEED_10000;
10248 		vars->duplex = DUPLEX_FULL;
10249 		link_up = 1;
10250 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10251 	} else { /* Check Legacy speed link */
10252 		u16 legacy_status, legacy_speed;
10253 
10254 		/* Enable expansion register 0x42 (Operation mode status) */
10255 		bnx2x_cl45_write(bp, phy,
10256 				 MDIO_AN_DEVAD,
10257 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10258 
10259 		/* Get legacy speed operation status */
10260 		bnx2x_cl45_read(bp, phy,
10261 				MDIO_AN_DEVAD,
10262 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10263 				&legacy_status);
10264 
10265 		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10266 		   legacy_status);
10267 		link_up = ((legacy_status & (1<<11)) == (1<<11));
10268 		legacy_speed = (legacy_status & (3<<9));
10269 		if (legacy_speed == (0<<9))
10270 			vars->line_speed = SPEED_10;
10271 		else if (legacy_speed == (1<<9))
10272 			vars->line_speed = SPEED_100;
10273 		else if (legacy_speed == (2<<9))
10274 			vars->line_speed = SPEED_1000;
10275 		else { /* Should not happen: Treat as link down */
10276 			vars->line_speed = 0;
10277 			link_up = 0;
10278 		}
10279 
10280 		if (link_up) {
10281 			if (legacy_status & (1<<8))
10282 				vars->duplex = DUPLEX_FULL;
10283 			else
10284 				vars->duplex = DUPLEX_HALF;
10285 
10286 			DP(NETIF_MSG_LINK,
10287 			   "Link is up in %dMbps, is_duplex_full= %d\n",
10288 			   vars->line_speed,
10289 			   (vars->duplex == DUPLEX_FULL));
10290 			/* Check legacy speed AN resolution */
10291 			bnx2x_cl45_read(bp, phy,
10292 					MDIO_AN_DEVAD,
10293 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10294 					&val);
10295 			if (val & (1<<5))
10296 				vars->link_status |=
10297 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10298 			bnx2x_cl45_read(bp, phy,
10299 					MDIO_AN_DEVAD,
10300 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10301 					&val);
10302 			if ((val & (1<<0)) == 0)
10303 				vars->link_status |=
10304 					LINK_STATUS_PARALLEL_DETECTION_USED;
10305 		}
10306 	}
10307 	if (link_up) {
10308 		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10309 			   vars->line_speed);
10310 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10311 
10312 		/* Read LP advertised speeds */
10313 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10314 				MDIO_AN_REG_CL37_FC_LP, &val);
10315 		if (val & (1<<5))
10316 			vars->link_status |=
10317 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10318 		if (val & (1<<6))
10319 			vars->link_status |=
10320 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10321 		if (val & (1<<7))
10322 			vars->link_status |=
10323 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10324 		if (val & (1<<8))
10325 			vars->link_status |=
10326 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10327 		if (val & (1<<9))
10328 			vars->link_status |=
10329 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10330 
10331 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10332 				MDIO_AN_REG_1000T_STATUS, &val);
10333 
10334 		if (val & (1<<10))
10335 			vars->link_status |=
10336 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10337 		if (val & (1<<11))
10338 			vars->link_status |=
10339 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10340 
10341 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10342 				MDIO_AN_REG_MASTER_STATUS, &val);
10343 
10344 		if (val & (1<<11))
10345 			vars->link_status |=
10346 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10347 
10348 		/* Determine if EEE was negotiated */
10349 		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10350 		    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
10351 			bnx2x_eee_an_resolve(phy, params, vars);
10352 	}
10353 
10354 	return link_up;
10355 }
10356 
10357 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10358 {
10359 	int status = 0;
10360 	u32 spirom_ver;
10361 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10362 	status = bnx2x_format_ver(spirom_ver, str, len);
10363 	return status;
10364 }
10365 
10366 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10367 				struct link_params *params)
10368 {
10369 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10370 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10371 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10372 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10373 }
10374 
10375 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10376 					struct link_params *params)
10377 {
10378 	bnx2x_cl45_write(params->bp, phy,
10379 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10380 	bnx2x_cl45_write(params->bp, phy,
10381 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10382 }
10383 
10384 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10385 				   struct link_params *params)
10386 {
10387 	struct bnx2x *bp = params->bp;
10388 	u8 port;
10389 	u16 val16;
10390 
10391 	if (!(CHIP_IS_E1x(bp)))
10392 		port = BP_PATH(bp);
10393 	else
10394 		port = params->port;
10395 
10396 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10397 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10398 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10399 			       port);
10400 	} else {
10401 		bnx2x_cl45_read(bp, phy,
10402 				MDIO_CTL_DEVAD,
10403 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10404 		val16 |= MDIO_84833_SUPER_ISOLATE;
10405 		bnx2x_cl45_write(bp, phy,
10406 				 MDIO_CTL_DEVAD,
10407 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10408 	}
10409 }
10410 
10411 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10412 				     struct link_params *params, u8 mode)
10413 {
10414 	struct bnx2x *bp = params->bp;
10415 	u16 val;
10416 	u8 port;
10417 
10418 	if (!(CHIP_IS_E1x(bp)))
10419 		port = BP_PATH(bp);
10420 	else
10421 		port = params->port;
10422 
10423 	switch (mode) {
10424 	case LED_MODE_OFF:
10425 
10426 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10427 
10428 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10429 		    SHARED_HW_CFG_LED_EXTPHY1) {
10430 
10431 			/* Set LED masks */
10432 			bnx2x_cl45_write(bp, phy,
10433 					MDIO_PMA_DEVAD,
10434 					MDIO_PMA_REG_8481_LED1_MASK,
10435 					0x0);
10436 
10437 			bnx2x_cl45_write(bp, phy,
10438 					MDIO_PMA_DEVAD,
10439 					MDIO_PMA_REG_8481_LED2_MASK,
10440 					0x0);
10441 
10442 			bnx2x_cl45_write(bp, phy,
10443 					MDIO_PMA_DEVAD,
10444 					MDIO_PMA_REG_8481_LED3_MASK,
10445 					0x0);
10446 
10447 			bnx2x_cl45_write(bp, phy,
10448 					MDIO_PMA_DEVAD,
10449 					MDIO_PMA_REG_8481_LED5_MASK,
10450 					0x0);
10451 
10452 		} else {
10453 			bnx2x_cl45_write(bp, phy,
10454 					 MDIO_PMA_DEVAD,
10455 					 MDIO_PMA_REG_8481_LED1_MASK,
10456 					 0x0);
10457 		}
10458 		break;
10459 	case LED_MODE_FRONT_PANEL_OFF:
10460 
10461 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10462 		   port);
10463 
10464 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10465 		    SHARED_HW_CFG_LED_EXTPHY1) {
10466 
10467 			/* Set LED masks */
10468 			bnx2x_cl45_write(bp, phy,
10469 					 MDIO_PMA_DEVAD,
10470 					 MDIO_PMA_REG_8481_LED1_MASK,
10471 					 0x0);
10472 
10473 			bnx2x_cl45_write(bp, phy,
10474 					 MDIO_PMA_DEVAD,
10475 					 MDIO_PMA_REG_8481_LED2_MASK,
10476 					 0x0);
10477 
10478 			bnx2x_cl45_write(bp, phy,
10479 					 MDIO_PMA_DEVAD,
10480 					 MDIO_PMA_REG_8481_LED3_MASK,
10481 					 0x0);
10482 
10483 			bnx2x_cl45_write(bp, phy,
10484 					 MDIO_PMA_DEVAD,
10485 					 MDIO_PMA_REG_8481_LED5_MASK,
10486 					 0x20);
10487 
10488 		} else {
10489 			bnx2x_cl45_write(bp, phy,
10490 					 MDIO_PMA_DEVAD,
10491 					 MDIO_PMA_REG_8481_LED1_MASK,
10492 					 0x0);
10493 			if (phy->type ==
10494 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10495 				/* Disable MI_INT interrupt before setting LED4
10496 				 * source to constant off.
10497 				 */
10498 				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10499 					   params->port*4) &
10500 				    NIG_MASK_MI_INT) {
10501 					params->link_flags |=
10502 					LINK_FLAGS_INT_DISABLED;
10503 
10504 					bnx2x_bits_dis(
10505 						bp,
10506 						NIG_REG_MASK_INTERRUPT_PORT0 +
10507 						params->port*4,
10508 						NIG_MASK_MI_INT);
10509 				}
10510 				bnx2x_cl45_write(bp, phy,
10511 						 MDIO_PMA_DEVAD,
10512 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10513 						 0x0);
10514 			}
10515 		}
10516 		break;
10517 	case LED_MODE_ON:
10518 
10519 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10520 
10521 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10522 		    SHARED_HW_CFG_LED_EXTPHY1) {
10523 			/* Set control reg */
10524 			bnx2x_cl45_read(bp, phy,
10525 					MDIO_PMA_DEVAD,
10526 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10527 					&val);
10528 			val &= 0x8000;
10529 			val |= 0x2492;
10530 
10531 			bnx2x_cl45_write(bp, phy,
10532 					 MDIO_PMA_DEVAD,
10533 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10534 					 val);
10535 
10536 			/* Set LED masks */
10537 			bnx2x_cl45_write(bp, phy,
10538 					 MDIO_PMA_DEVAD,
10539 					 MDIO_PMA_REG_8481_LED1_MASK,
10540 					 0x0);
10541 
10542 			bnx2x_cl45_write(bp, phy,
10543 					 MDIO_PMA_DEVAD,
10544 					 MDIO_PMA_REG_8481_LED2_MASK,
10545 					 0x20);
10546 
10547 			bnx2x_cl45_write(bp, phy,
10548 					 MDIO_PMA_DEVAD,
10549 					 MDIO_PMA_REG_8481_LED3_MASK,
10550 					 0x20);
10551 
10552 			bnx2x_cl45_write(bp, phy,
10553 					 MDIO_PMA_DEVAD,
10554 					 MDIO_PMA_REG_8481_LED5_MASK,
10555 					 0x0);
10556 		} else {
10557 			bnx2x_cl45_write(bp, phy,
10558 					 MDIO_PMA_DEVAD,
10559 					 MDIO_PMA_REG_8481_LED1_MASK,
10560 					 0x20);
10561 			if (phy->type ==
10562 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10563 				/* Disable MI_INT interrupt before setting LED4
10564 				 * source to constant on.
10565 				 */
10566 				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10567 					   params->port*4) &
10568 				    NIG_MASK_MI_INT) {
10569 					params->link_flags |=
10570 					LINK_FLAGS_INT_DISABLED;
10571 
10572 					bnx2x_bits_dis(
10573 						bp,
10574 						NIG_REG_MASK_INTERRUPT_PORT0 +
10575 						params->port*4,
10576 						NIG_MASK_MI_INT);
10577 				}
10578 				bnx2x_cl45_write(bp, phy,
10579 						 MDIO_PMA_DEVAD,
10580 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10581 						 0x20);
10582 			}
10583 		}
10584 		break;
10585 
10586 	case LED_MODE_OPER:
10587 
10588 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10589 
10590 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10591 		    SHARED_HW_CFG_LED_EXTPHY1) {
10592 
10593 			/* Set control reg */
10594 			bnx2x_cl45_read(bp, phy,
10595 					MDIO_PMA_DEVAD,
10596 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10597 					&val);
10598 
10599 			if (!((val &
10600 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10601 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10602 				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10603 				bnx2x_cl45_write(bp, phy,
10604 						 MDIO_PMA_DEVAD,
10605 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10606 						 0xa492);
10607 			}
10608 
10609 			/* Set LED masks */
10610 			bnx2x_cl45_write(bp, phy,
10611 					 MDIO_PMA_DEVAD,
10612 					 MDIO_PMA_REG_8481_LED1_MASK,
10613 					 0x10);
10614 
10615 			bnx2x_cl45_write(bp, phy,
10616 					 MDIO_PMA_DEVAD,
10617 					 MDIO_PMA_REG_8481_LED2_MASK,
10618 					 0x80);
10619 
10620 			bnx2x_cl45_write(bp, phy,
10621 					 MDIO_PMA_DEVAD,
10622 					 MDIO_PMA_REG_8481_LED3_MASK,
10623 					 0x98);
10624 
10625 			bnx2x_cl45_write(bp, phy,
10626 					 MDIO_PMA_DEVAD,
10627 					 MDIO_PMA_REG_8481_LED5_MASK,
10628 					 0x40);
10629 
10630 		} else {
10631 			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10632 			 * sources are all wired through LED1, rather than only
10633 			 * 10G in other modes.
10634 			 */
10635 			val = ((params->hw_led_mode <<
10636 				SHARED_HW_CFG_LED_MODE_SHIFT) ==
10637 			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10638 
10639 			bnx2x_cl45_write(bp, phy,
10640 					 MDIO_PMA_DEVAD,
10641 					 MDIO_PMA_REG_8481_LED1_MASK,
10642 					 val);
10643 
10644 			/* Tell LED3 to blink on source */
10645 			bnx2x_cl45_read(bp, phy,
10646 					MDIO_PMA_DEVAD,
10647 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10648 					&val);
10649 			val &= ~(7<<6);
10650 			val |= (1<<6); /* A83B[8:6]= 1 */
10651 			bnx2x_cl45_write(bp, phy,
10652 					 MDIO_PMA_DEVAD,
10653 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10654 					 val);
10655 			if (phy->type ==
10656 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10657 				/* Restore LED4 source to external link,
10658 				 * and re-enable interrupts.
10659 				 */
10660 				bnx2x_cl45_write(bp, phy,
10661 						 MDIO_PMA_DEVAD,
10662 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10663 						 0x40);
10664 				if (params->link_flags &
10665 				    LINK_FLAGS_INT_DISABLED) {
10666 					bnx2x_link_int_enable(params);
10667 					params->link_flags &=
10668 						~LINK_FLAGS_INT_DISABLED;
10669 				}
10670 			}
10671 		}
10672 		break;
10673 	}
10674 
10675 	/* This is a workaround for E3+84833 until autoneg
10676 	 * restart is fixed in f/w
10677 	 */
10678 	if (CHIP_IS_E3(bp)) {
10679 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10680 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10681 	}
10682 }
10683 
10684 /******************************************************************/
10685 /*			54618SE PHY SECTION			  */
10686 /******************************************************************/
10687 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10688 					struct link_params *params,
10689 					u32 action)
10690 {
10691 	struct bnx2x *bp = params->bp;
10692 	u16 temp;
10693 	switch (action) {
10694 	case PHY_INIT:
10695 		/* Configure LED4: set to INTR (0x6). */
10696 		/* Accessing shadow register 0xe. */
10697 		bnx2x_cl22_write(bp, phy,
10698 				 MDIO_REG_GPHY_SHADOW,
10699 				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10700 		bnx2x_cl22_read(bp, phy,
10701 				MDIO_REG_GPHY_SHADOW,
10702 				&temp);
10703 		temp &= ~(0xf << 4);
10704 		temp |= (0x6 << 4);
10705 		bnx2x_cl22_write(bp, phy,
10706 				 MDIO_REG_GPHY_SHADOW,
10707 				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10708 		/* Configure INTR based on link status change. */
10709 		bnx2x_cl22_write(bp, phy,
10710 				 MDIO_REG_INTR_MASK,
10711 				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10712 		break;
10713 	}
10714 }
10715 
10716 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10717 					       struct link_params *params,
10718 					       struct link_vars *vars)
10719 {
10720 	struct bnx2x *bp = params->bp;
10721 	u8 port;
10722 	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10723 	u32 cfg_pin;
10724 
10725 	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10726 	usleep_range(1000, 2000);
10727 
10728 	/* This works with E3 only, no need to check the chip
10729 	 * before determining the port.
10730 	 */
10731 	port = params->port;
10732 
10733 	cfg_pin = (REG_RD(bp, params->shmem_base +
10734 			offsetof(struct shmem_region,
10735 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10736 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10737 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10738 
10739 	/* Drive pin high to bring the GPHY out of reset. */
10740 	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10741 
10742 	/* wait for GPHY to reset */
10743 	msleep(50);
10744 
10745 	/* reset phy */
10746 	bnx2x_cl22_write(bp, phy,
10747 			 MDIO_PMA_REG_CTRL, 0x8000);
10748 	bnx2x_wait_reset_complete(bp, phy, params);
10749 
10750 	/* Wait for GPHY to reset */
10751 	msleep(50);
10752 
10753 
10754 	bnx2x_54618se_specific_func(phy, params, PHY_INIT);
10755 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10756 	bnx2x_cl22_write(bp, phy,
10757 			MDIO_REG_GPHY_SHADOW,
10758 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10759 	bnx2x_cl22_read(bp, phy,
10760 			MDIO_REG_GPHY_SHADOW,
10761 			&temp);
10762 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10763 	bnx2x_cl22_write(bp, phy,
10764 			MDIO_REG_GPHY_SHADOW,
10765 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10766 
10767 	/* Set up fc */
10768 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10769 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10770 	fc_val = 0;
10771 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10772 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10773 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10774 
10775 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10776 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10777 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10778 
10779 	/* Read all advertisement */
10780 	bnx2x_cl22_read(bp, phy,
10781 			0x09,
10782 			&an_1000_val);
10783 
10784 	bnx2x_cl22_read(bp, phy,
10785 			0x04,
10786 			&an_10_100_val);
10787 
10788 	bnx2x_cl22_read(bp, phy,
10789 			MDIO_PMA_REG_CTRL,
10790 			&autoneg_val);
10791 
10792 	/* Disable forced speed */
10793 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10794 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10795 			   (1<<11));
10796 
10797 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10798 	     (phy->speed_cap_mask &
10799 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10800 	    (phy->req_line_speed == SPEED_1000)) {
10801 		an_1000_val |= (1<<8);
10802 		autoneg_val |= (1<<9 | 1<<12);
10803 		if (phy->req_duplex == DUPLEX_FULL)
10804 			an_1000_val |= (1<<9);
10805 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
10806 	} else
10807 		an_1000_val &= ~((1<<8) | (1<<9));
10808 
10809 	bnx2x_cl22_write(bp, phy,
10810 			0x09,
10811 			an_1000_val);
10812 	bnx2x_cl22_read(bp, phy,
10813 			0x09,
10814 			&an_1000_val);
10815 
10816 	/* Advertise 10/100 link speed */
10817 	if (phy->req_line_speed == SPEED_AUTO_NEG) {
10818 		if (phy->speed_cap_mask &
10819 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
10820 			an_10_100_val |= (1<<5);
10821 			autoneg_val |= (1<<9 | 1<<12);
10822 			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
10823 		}
10824 		if (phy->speed_cap_mask &
10825 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
10826 			an_10_100_val |= (1<<6);
10827 			autoneg_val |= (1<<9 | 1<<12);
10828 			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
10829 		}
10830 		if (phy->speed_cap_mask &
10831 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10832 			an_10_100_val |= (1<<7);
10833 			autoneg_val |= (1<<9 | 1<<12);
10834 			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
10835 		}
10836 		if (phy->speed_cap_mask &
10837 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10838 			an_10_100_val |= (1<<8);
10839 			autoneg_val |= (1<<9 | 1<<12);
10840 			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
10841 		}
10842 	}
10843 
10844 	/* Only 10/100 are allowed to work in FORCE mode */
10845 	if (phy->req_line_speed == SPEED_100) {
10846 		autoneg_val |= (1<<13);
10847 		/* Enabled AUTO-MDIX when autoneg is disabled */
10848 		bnx2x_cl22_write(bp, phy,
10849 				0x18,
10850 				(1<<15 | 1<<9 | 7<<0));
10851 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
10852 	}
10853 	if (phy->req_line_speed == SPEED_10) {
10854 		/* Enabled AUTO-MDIX when autoneg is disabled */
10855 		bnx2x_cl22_write(bp, phy,
10856 				0x18,
10857 				(1<<15 | 1<<9 | 7<<0));
10858 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
10859 	}
10860 
10861 	if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10862 		int rc;
10863 
10864 		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10865 				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10866 				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10867 		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10868 		temp &= 0xfffe;
10869 		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10870 
10871 		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10872 		if (rc) {
10873 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10874 			bnx2x_eee_disable(phy, params, vars);
10875 		} else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10876 			   (phy->req_duplex == DUPLEX_FULL) &&
10877 			   (bnx2x_eee_calc_timer(params) ||
10878 			    !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10879 			/* Need to advertise EEE only when requested,
10880 			 * and either no LPI assertion was requested,
10881 			 * or it was requested and a valid timer was set.
10882 			 * Also notice full duplex is required for EEE.
10883 			 */
10884 			bnx2x_eee_advertise(phy, params, vars,
10885 					    SHMEM_EEE_1G_ADV);
10886 		} else {
10887 			DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10888 			bnx2x_eee_disable(phy, params, vars);
10889 		}
10890 	} else {
10891 		vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10892 				    SHMEM_EEE_SUPPORTED_SHIFT;
10893 
10894 		if (phy->flags & FLAGS_EEE) {
10895 			/* Handle legacy auto-grEEEn */
10896 			if (params->feature_config_flags &
10897 			    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10898 				temp = 6;
10899 				DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10900 			} else {
10901 				temp = 0;
10902 				DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10903 			}
10904 			bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10905 					 MDIO_AN_REG_EEE_ADV, temp);
10906 		}
10907 	}
10908 
10909 	bnx2x_cl22_write(bp, phy,
10910 			0x04,
10911 			an_10_100_val | fc_val);
10912 
10913 	if (phy->req_duplex == DUPLEX_FULL)
10914 		autoneg_val |= (1<<8);
10915 
10916 	bnx2x_cl22_write(bp, phy,
10917 			MDIO_PMA_REG_CTRL, autoneg_val);
10918 
10919 	return 0;
10920 }
10921 
10922 
10923 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10924 				       struct link_params *params, u8 mode)
10925 {
10926 	struct bnx2x *bp = params->bp;
10927 	u16 temp;
10928 
10929 	bnx2x_cl22_write(bp, phy,
10930 		MDIO_REG_GPHY_SHADOW,
10931 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
10932 	bnx2x_cl22_read(bp, phy,
10933 		MDIO_REG_GPHY_SHADOW,
10934 		&temp);
10935 	temp &= 0xff00;
10936 
10937 	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10938 	switch (mode) {
10939 	case LED_MODE_FRONT_PANEL_OFF:
10940 	case LED_MODE_OFF:
10941 		temp |= 0x00ee;
10942 		break;
10943 	case LED_MODE_OPER:
10944 		temp |= 0x0001;
10945 		break;
10946 	case LED_MODE_ON:
10947 		temp |= 0x00ff;
10948 		break;
10949 	default:
10950 		break;
10951 	}
10952 	bnx2x_cl22_write(bp, phy,
10953 		MDIO_REG_GPHY_SHADOW,
10954 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10955 	return;
10956 }
10957 
10958 
10959 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10960 				     struct link_params *params)
10961 {
10962 	struct bnx2x *bp = params->bp;
10963 	u32 cfg_pin;
10964 	u8 port;
10965 
10966 	/* In case of no EPIO routed to reset the GPHY, put it
10967 	 * in low power mode.
10968 	 */
10969 	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10970 	/* This works with E3 only, no need to check the chip
10971 	 * before determining the port.
10972 	 */
10973 	port = params->port;
10974 	cfg_pin = (REG_RD(bp, params->shmem_base +
10975 			offsetof(struct shmem_region,
10976 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10977 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10978 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10979 
10980 	/* Drive pin low to put GPHY in reset. */
10981 	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10982 }
10983 
10984 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10985 				    struct link_params *params,
10986 				    struct link_vars *vars)
10987 {
10988 	struct bnx2x *bp = params->bp;
10989 	u16 val;
10990 	u8 link_up = 0;
10991 	u16 legacy_status, legacy_speed;
10992 
10993 	/* Get speed operation status */
10994 	bnx2x_cl22_read(bp, phy,
10995 			MDIO_REG_GPHY_AUX_STATUS,
10996 			&legacy_status);
10997 	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
10998 
10999 	/* Read status to clear the PHY interrupt. */
11000 	bnx2x_cl22_read(bp, phy,
11001 			MDIO_REG_INTR_STATUS,
11002 			&val);
11003 
11004 	link_up = ((legacy_status & (1<<2)) == (1<<2));
11005 
11006 	if (link_up) {
11007 		legacy_speed = (legacy_status & (7<<8));
11008 		if (legacy_speed == (7<<8)) {
11009 			vars->line_speed = SPEED_1000;
11010 			vars->duplex = DUPLEX_FULL;
11011 		} else if (legacy_speed == (6<<8)) {
11012 			vars->line_speed = SPEED_1000;
11013 			vars->duplex = DUPLEX_HALF;
11014 		} else if (legacy_speed == (5<<8)) {
11015 			vars->line_speed = SPEED_100;
11016 			vars->duplex = DUPLEX_FULL;
11017 		}
11018 		/* Omitting 100Base-T4 for now */
11019 		else if (legacy_speed == (3<<8)) {
11020 			vars->line_speed = SPEED_100;
11021 			vars->duplex = DUPLEX_HALF;
11022 		} else if (legacy_speed == (2<<8)) {
11023 			vars->line_speed = SPEED_10;
11024 			vars->duplex = DUPLEX_FULL;
11025 		} else if (legacy_speed == (1<<8)) {
11026 			vars->line_speed = SPEED_10;
11027 			vars->duplex = DUPLEX_HALF;
11028 		} else /* Should not happen */
11029 			vars->line_speed = 0;
11030 
11031 		DP(NETIF_MSG_LINK,
11032 		   "Link is up in %dMbps, is_duplex_full= %d\n",
11033 		   vars->line_speed,
11034 		   (vars->duplex == DUPLEX_FULL));
11035 
11036 		/* Check legacy speed AN resolution */
11037 		bnx2x_cl22_read(bp, phy,
11038 				0x01,
11039 				&val);
11040 		if (val & (1<<5))
11041 			vars->link_status |=
11042 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11043 		bnx2x_cl22_read(bp, phy,
11044 				0x06,
11045 				&val);
11046 		if ((val & (1<<0)) == 0)
11047 			vars->link_status |=
11048 				LINK_STATUS_PARALLEL_DETECTION_USED;
11049 
11050 		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11051 			   vars->line_speed);
11052 
11053 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11054 
11055 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11056 			/* Report LP advertised speeds */
11057 			bnx2x_cl22_read(bp, phy, 0x5, &val);
11058 
11059 			if (val & (1<<5))
11060 				vars->link_status |=
11061 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11062 			if (val & (1<<6))
11063 				vars->link_status |=
11064 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11065 			if (val & (1<<7))
11066 				vars->link_status |=
11067 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11068 			if (val & (1<<8))
11069 				vars->link_status |=
11070 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11071 			if (val & (1<<9))
11072 				vars->link_status |=
11073 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11074 
11075 			bnx2x_cl22_read(bp, phy, 0xa, &val);
11076 			if (val & (1<<10))
11077 				vars->link_status |=
11078 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11079 			if (val & (1<<11))
11080 				vars->link_status |=
11081 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11082 
11083 			if ((phy->flags & FLAGS_EEE) &&
11084 			    bnx2x_eee_has_cap(params))
11085 				bnx2x_eee_an_resolve(phy, params, vars);
11086 		}
11087 	}
11088 	return link_up;
11089 }
11090 
11091 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11092 					  struct link_params *params)
11093 {
11094 	struct bnx2x *bp = params->bp;
11095 	u16 val;
11096 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11097 
11098 	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11099 
11100 	/* Enable master/slave manual mmode and set to master */
11101 	/* mii write 9 [bits set 11 12] */
11102 	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11103 
11104 	/* forced 1G and disable autoneg */
11105 	/* set val [mii read 0] */
11106 	/* set val [expr $val & [bits clear 6 12 13]] */
11107 	/* set val [expr $val | [bits set 6 8]] */
11108 	/* mii write 0 $val */
11109 	bnx2x_cl22_read(bp, phy, 0x00, &val);
11110 	val &= ~((1<<6) | (1<<12) | (1<<13));
11111 	val |= (1<<6) | (1<<8);
11112 	bnx2x_cl22_write(bp, phy, 0x00, val);
11113 
11114 	/* Set external loopback and Tx using 6dB coding */
11115 	/* mii write 0x18 7 */
11116 	/* set val [mii read 0x18] */
11117 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
11118 	bnx2x_cl22_write(bp, phy, 0x18, 7);
11119 	bnx2x_cl22_read(bp, phy, 0x18, &val);
11120 	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11121 
11122 	/* This register opens the gate for the UMAC despite its name */
11123 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11124 
11125 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11126 	 * length used by the MAC receive logic to check frames.
11127 	 */
11128 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11129 }
11130 
11131 /******************************************************************/
11132 /*			SFX7101 PHY SECTION			  */
11133 /******************************************************************/
11134 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11135 				       struct link_params *params)
11136 {
11137 	struct bnx2x *bp = params->bp;
11138 	/* SFX7101_XGXS_TEST1 */
11139 	bnx2x_cl45_write(bp, phy,
11140 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11141 }
11142 
11143 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11144 				  struct link_params *params,
11145 				  struct link_vars *vars)
11146 {
11147 	u16 fw_ver1, fw_ver2, val;
11148 	struct bnx2x *bp = params->bp;
11149 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11150 
11151 	/* Restore normal power mode*/
11152 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11153 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11154 	/* HW reset */
11155 	bnx2x_ext_phy_hw_reset(bp, params->port);
11156 	bnx2x_wait_reset_complete(bp, phy, params);
11157 
11158 	bnx2x_cl45_write(bp, phy,
11159 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11160 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11161 	bnx2x_cl45_write(bp, phy,
11162 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11163 
11164 	bnx2x_ext_phy_set_pause(params, phy, vars);
11165 	/* Restart autoneg */
11166 	bnx2x_cl45_read(bp, phy,
11167 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11168 	val |= 0x200;
11169 	bnx2x_cl45_write(bp, phy,
11170 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11171 
11172 	/* Save spirom version */
11173 	bnx2x_cl45_read(bp, phy,
11174 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11175 
11176 	bnx2x_cl45_read(bp, phy,
11177 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11178 	bnx2x_save_spirom_version(bp, params->port,
11179 				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11180 	return 0;
11181 }
11182 
11183 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11184 				 struct link_params *params,
11185 				 struct link_vars *vars)
11186 {
11187 	struct bnx2x *bp = params->bp;
11188 	u8 link_up;
11189 	u16 val1, val2;
11190 	bnx2x_cl45_read(bp, phy,
11191 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11192 	bnx2x_cl45_read(bp, phy,
11193 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11194 	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11195 		   val2, val1);
11196 	bnx2x_cl45_read(bp, phy,
11197 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11198 	bnx2x_cl45_read(bp, phy,
11199 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11200 	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11201 		   val2, val1);
11202 	link_up = ((val1 & 4) == 4);
11203 	/* If link is up print the AN outcome of the SFX7101 PHY */
11204 	if (link_up) {
11205 		bnx2x_cl45_read(bp, phy,
11206 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11207 				&val2);
11208 		vars->line_speed = SPEED_10000;
11209 		vars->duplex = DUPLEX_FULL;
11210 		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11211 			   val2, (val2 & (1<<14)));
11212 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11213 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11214 
11215 		/* Read LP advertised speeds */
11216 		if (val2 & (1<<11))
11217 			vars->link_status |=
11218 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11219 	}
11220 	return link_up;
11221 }
11222 
11223 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11224 {
11225 	if (*len < 5)
11226 		return -EINVAL;
11227 	str[0] = (spirom_ver & 0xFF);
11228 	str[1] = (spirom_ver & 0xFF00) >> 8;
11229 	str[2] = (spirom_ver & 0xFF0000) >> 16;
11230 	str[3] = (spirom_ver & 0xFF000000) >> 24;
11231 	str[4] = '\0';
11232 	*len -= 5;
11233 	return 0;
11234 }
11235 
11236 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11237 {
11238 	u16 val, cnt;
11239 
11240 	bnx2x_cl45_read(bp, phy,
11241 			MDIO_PMA_DEVAD,
11242 			MDIO_PMA_REG_7101_RESET, &val);
11243 
11244 	for (cnt = 0; cnt < 10; cnt++) {
11245 		msleep(50);
11246 		/* Writes a self-clearing reset */
11247 		bnx2x_cl45_write(bp, phy,
11248 				 MDIO_PMA_DEVAD,
11249 				 MDIO_PMA_REG_7101_RESET,
11250 				 (val | (1<<15)));
11251 		/* Wait for clear */
11252 		bnx2x_cl45_read(bp, phy,
11253 				MDIO_PMA_DEVAD,
11254 				MDIO_PMA_REG_7101_RESET, &val);
11255 
11256 		if ((val & (1<<15)) == 0)
11257 			break;
11258 	}
11259 }
11260 
11261 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11262 				struct link_params *params) {
11263 	/* Low power mode is controlled by GPIO 2 */
11264 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11265 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11266 	/* The PHY reset is controlled by GPIO 1 */
11267 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11268 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11269 }
11270 
11271 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11272 				    struct link_params *params, u8 mode)
11273 {
11274 	u16 val = 0;
11275 	struct bnx2x *bp = params->bp;
11276 	switch (mode) {
11277 	case LED_MODE_FRONT_PANEL_OFF:
11278 	case LED_MODE_OFF:
11279 		val = 2;
11280 		break;
11281 	case LED_MODE_ON:
11282 		val = 1;
11283 		break;
11284 	case LED_MODE_OPER:
11285 		val = 0;
11286 		break;
11287 	}
11288 	bnx2x_cl45_write(bp, phy,
11289 			 MDIO_PMA_DEVAD,
11290 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11291 			 val);
11292 }
11293 
11294 /******************************************************************/
11295 /*			STATIC PHY DECLARATION			  */
11296 /******************************************************************/
11297 
11298 static const struct bnx2x_phy phy_null = {
11299 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11300 	.addr		= 0,
11301 	.def_md_devad	= 0,
11302 	.flags		= FLAGS_INIT_XGXS_FIRST,
11303 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11304 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11305 	.mdio_ctrl	= 0,
11306 	.supported	= 0,
11307 	.media_type	= ETH_PHY_NOT_PRESENT,
11308 	.ver_addr	= 0,
11309 	.req_flow_ctrl	= 0,
11310 	.req_line_speed	= 0,
11311 	.speed_cap_mask	= 0,
11312 	.req_duplex	= 0,
11313 	.rsrv		= 0,
11314 	.config_init	= (config_init_t)NULL,
11315 	.read_status	= (read_status_t)NULL,
11316 	.link_reset	= (link_reset_t)NULL,
11317 	.config_loopback = (config_loopback_t)NULL,
11318 	.format_fw_ver	= (format_fw_ver_t)NULL,
11319 	.hw_reset	= (hw_reset_t)NULL,
11320 	.set_link_led	= (set_link_led_t)NULL,
11321 	.phy_specific_func = (phy_specific_func_t)NULL
11322 };
11323 
11324 static const struct bnx2x_phy phy_serdes = {
11325 	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11326 	.addr		= 0xff,
11327 	.def_md_devad	= 0,
11328 	.flags		= 0,
11329 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11330 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11331 	.mdio_ctrl	= 0,
11332 	.supported	= (SUPPORTED_10baseT_Half |
11333 			   SUPPORTED_10baseT_Full |
11334 			   SUPPORTED_100baseT_Half |
11335 			   SUPPORTED_100baseT_Full |
11336 			   SUPPORTED_1000baseT_Full |
11337 			   SUPPORTED_2500baseX_Full |
11338 			   SUPPORTED_TP |
11339 			   SUPPORTED_Autoneg |
11340 			   SUPPORTED_Pause |
11341 			   SUPPORTED_Asym_Pause),
11342 	.media_type	= ETH_PHY_BASE_T,
11343 	.ver_addr	= 0,
11344 	.req_flow_ctrl	= 0,
11345 	.req_line_speed	= 0,
11346 	.speed_cap_mask	= 0,
11347 	.req_duplex	= 0,
11348 	.rsrv		= 0,
11349 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11350 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11351 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11352 	.config_loopback = (config_loopback_t)NULL,
11353 	.format_fw_ver	= (format_fw_ver_t)NULL,
11354 	.hw_reset	= (hw_reset_t)NULL,
11355 	.set_link_led	= (set_link_led_t)NULL,
11356 	.phy_specific_func = (phy_specific_func_t)NULL
11357 };
11358 
11359 static const struct bnx2x_phy phy_xgxs = {
11360 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11361 	.addr		= 0xff,
11362 	.def_md_devad	= 0,
11363 	.flags		= 0,
11364 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11365 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11366 	.mdio_ctrl	= 0,
11367 	.supported	= (SUPPORTED_10baseT_Half |
11368 			   SUPPORTED_10baseT_Full |
11369 			   SUPPORTED_100baseT_Half |
11370 			   SUPPORTED_100baseT_Full |
11371 			   SUPPORTED_1000baseT_Full |
11372 			   SUPPORTED_2500baseX_Full |
11373 			   SUPPORTED_10000baseT_Full |
11374 			   SUPPORTED_FIBRE |
11375 			   SUPPORTED_Autoneg |
11376 			   SUPPORTED_Pause |
11377 			   SUPPORTED_Asym_Pause),
11378 	.media_type	= ETH_PHY_CX4,
11379 	.ver_addr	= 0,
11380 	.req_flow_ctrl	= 0,
11381 	.req_line_speed	= 0,
11382 	.speed_cap_mask	= 0,
11383 	.req_duplex	= 0,
11384 	.rsrv		= 0,
11385 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11386 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11387 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11388 	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11389 	.format_fw_ver	= (format_fw_ver_t)NULL,
11390 	.hw_reset	= (hw_reset_t)NULL,
11391 	.set_link_led	= (set_link_led_t)NULL,
11392 	.phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
11393 };
11394 static const struct bnx2x_phy phy_warpcore = {
11395 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11396 	.addr		= 0xff,
11397 	.def_md_devad	= 0,
11398 	.flags		= FLAGS_TX_ERROR_CHECK,
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_10000baseT_Full |
11408 			   SUPPORTED_20000baseKR2_Full |
11409 			   SUPPORTED_20000baseMLD2_Full |
11410 			   SUPPORTED_FIBRE |
11411 			   SUPPORTED_Autoneg |
11412 			   SUPPORTED_Pause |
11413 			   SUPPORTED_Asym_Pause),
11414 	.media_type	= ETH_PHY_UNSPECIFIED,
11415 	.ver_addr	= 0,
11416 	.req_flow_ctrl	= 0,
11417 	.req_line_speed	= 0,
11418 	.speed_cap_mask	= 0,
11419 	/* req_duplex = */0,
11420 	/* rsrv = */0,
11421 	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
11422 	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
11423 	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
11424 	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11425 	.format_fw_ver	= (format_fw_ver_t)NULL,
11426 	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11427 	.set_link_led	= (set_link_led_t)NULL,
11428 	.phy_specific_func = (phy_specific_func_t)NULL
11429 };
11430 
11431 
11432 static const struct bnx2x_phy phy_7101 = {
11433 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11434 	.addr		= 0xff,
11435 	.def_md_devad	= 0,
11436 	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
11437 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11438 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11439 	.mdio_ctrl	= 0,
11440 	.supported	= (SUPPORTED_10000baseT_Full |
11441 			   SUPPORTED_TP |
11442 			   SUPPORTED_Autoneg |
11443 			   SUPPORTED_Pause |
11444 			   SUPPORTED_Asym_Pause),
11445 	.media_type	= ETH_PHY_BASE_T,
11446 	.ver_addr	= 0,
11447 	.req_flow_ctrl	= 0,
11448 	.req_line_speed	= 0,
11449 	.speed_cap_mask	= 0,
11450 	.req_duplex	= 0,
11451 	.rsrv		= 0,
11452 	.config_init	= (config_init_t)bnx2x_7101_config_init,
11453 	.read_status	= (read_status_t)bnx2x_7101_read_status,
11454 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11455 	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11456 	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
11457 	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
11458 	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
11459 	.phy_specific_func = (phy_specific_func_t)NULL
11460 };
11461 static const struct bnx2x_phy phy_8073 = {
11462 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11463 	.addr		= 0xff,
11464 	.def_md_devad	= 0,
11465 	.flags		= 0,
11466 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11467 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11468 	.mdio_ctrl	= 0,
11469 	.supported	= (SUPPORTED_10000baseT_Full |
11470 			   SUPPORTED_2500baseX_Full |
11471 			   SUPPORTED_1000baseT_Full |
11472 			   SUPPORTED_FIBRE |
11473 			   SUPPORTED_Autoneg |
11474 			   SUPPORTED_Pause |
11475 			   SUPPORTED_Asym_Pause),
11476 	.media_type	= ETH_PHY_KR,
11477 	.ver_addr	= 0,
11478 	.req_flow_ctrl	= 0,
11479 	.req_line_speed	= 0,
11480 	.speed_cap_mask	= 0,
11481 	.req_duplex	= 0,
11482 	.rsrv		= 0,
11483 	.config_init	= (config_init_t)bnx2x_8073_config_init,
11484 	.read_status	= (read_status_t)bnx2x_8073_read_status,
11485 	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
11486 	.config_loopback = (config_loopback_t)NULL,
11487 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11488 	.hw_reset	= (hw_reset_t)NULL,
11489 	.set_link_led	= (set_link_led_t)NULL,
11490 	.phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
11491 };
11492 static const struct bnx2x_phy phy_8705 = {
11493 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11494 	.addr		= 0xff,
11495 	.def_md_devad	= 0,
11496 	.flags		= FLAGS_INIT_XGXS_FIRST,
11497 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11498 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11499 	.mdio_ctrl	= 0,
11500 	.supported	= (SUPPORTED_10000baseT_Full |
11501 			   SUPPORTED_FIBRE |
11502 			   SUPPORTED_Pause |
11503 			   SUPPORTED_Asym_Pause),
11504 	.media_type	= ETH_PHY_XFP_FIBER,
11505 	.ver_addr	= 0,
11506 	.req_flow_ctrl	= 0,
11507 	.req_line_speed	= 0,
11508 	.speed_cap_mask	= 0,
11509 	.req_duplex	= 0,
11510 	.rsrv		= 0,
11511 	.config_init	= (config_init_t)bnx2x_8705_config_init,
11512 	.read_status	= (read_status_t)bnx2x_8705_read_status,
11513 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11514 	.config_loopback = (config_loopback_t)NULL,
11515 	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
11516 	.hw_reset	= (hw_reset_t)NULL,
11517 	.set_link_led	= (set_link_led_t)NULL,
11518 	.phy_specific_func = (phy_specific_func_t)NULL
11519 };
11520 static const struct bnx2x_phy phy_8706 = {
11521 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11522 	.addr		= 0xff,
11523 	.def_md_devad	= 0,
11524 	.flags		= FLAGS_INIT_XGXS_FIRST,
11525 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11526 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11527 	.mdio_ctrl	= 0,
11528 	.supported	= (SUPPORTED_10000baseT_Full |
11529 			   SUPPORTED_1000baseT_Full |
11530 			   SUPPORTED_FIBRE |
11531 			   SUPPORTED_Pause |
11532 			   SUPPORTED_Asym_Pause),
11533 	.media_type	= ETH_PHY_SFPP_10G_FIBER,
11534 	.ver_addr	= 0,
11535 	.req_flow_ctrl	= 0,
11536 	.req_line_speed	= 0,
11537 	.speed_cap_mask	= 0,
11538 	.req_duplex	= 0,
11539 	.rsrv		= 0,
11540 	.config_init	= (config_init_t)bnx2x_8706_config_init,
11541 	.read_status	= (read_status_t)bnx2x_8706_read_status,
11542 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11543 	.config_loopback = (config_loopback_t)NULL,
11544 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11545 	.hw_reset	= (hw_reset_t)NULL,
11546 	.set_link_led	= (set_link_led_t)NULL,
11547 	.phy_specific_func = (phy_specific_func_t)NULL
11548 };
11549 
11550 static const struct bnx2x_phy phy_8726 = {
11551 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11552 	.addr		= 0xff,
11553 	.def_md_devad	= 0,
11554 	.flags		= (FLAGS_INIT_XGXS_FIRST |
11555 			   FLAGS_TX_ERROR_CHECK),
11556 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11557 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11558 	.mdio_ctrl	= 0,
11559 	.supported	= (SUPPORTED_10000baseT_Full |
11560 			   SUPPORTED_1000baseT_Full |
11561 			   SUPPORTED_Autoneg |
11562 			   SUPPORTED_FIBRE |
11563 			   SUPPORTED_Pause |
11564 			   SUPPORTED_Asym_Pause),
11565 	.media_type	= ETH_PHY_NOT_PRESENT,
11566 	.ver_addr	= 0,
11567 	.req_flow_ctrl	= 0,
11568 	.req_line_speed	= 0,
11569 	.speed_cap_mask	= 0,
11570 	.req_duplex	= 0,
11571 	.rsrv		= 0,
11572 	.config_init	= (config_init_t)bnx2x_8726_config_init,
11573 	.read_status	= (read_status_t)bnx2x_8726_read_status,
11574 	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
11575 	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11576 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11577 	.hw_reset	= (hw_reset_t)NULL,
11578 	.set_link_led	= (set_link_led_t)NULL,
11579 	.phy_specific_func = (phy_specific_func_t)NULL
11580 };
11581 
11582 static const struct bnx2x_phy phy_8727 = {
11583 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11584 	.addr		= 0xff,
11585 	.def_md_devad	= 0,
11586 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11587 			   FLAGS_TX_ERROR_CHECK),
11588 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11589 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11590 	.mdio_ctrl	= 0,
11591 	.supported	= (SUPPORTED_10000baseT_Full |
11592 			   SUPPORTED_1000baseT_Full |
11593 			   SUPPORTED_FIBRE |
11594 			   SUPPORTED_Pause |
11595 			   SUPPORTED_Asym_Pause),
11596 	.media_type	= ETH_PHY_NOT_PRESENT,
11597 	.ver_addr	= 0,
11598 	.req_flow_ctrl	= 0,
11599 	.req_line_speed	= 0,
11600 	.speed_cap_mask	= 0,
11601 	.req_duplex	= 0,
11602 	.rsrv		= 0,
11603 	.config_init	= (config_init_t)bnx2x_8727_config_init,
11604 	.read_status	= (read_status_t)bnx2x_8727_read_status,
11605 	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
11606 	.config_loopback = (config_loopback_t)NULL,
11607 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11608 	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
11609 	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
11610 	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11611 };
11612 static const struct bnx2x_phy phy_8481 = {
11613 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11614 	.addr		= 0xff,
11615 	.def_md_devad	= 0,
11616 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11617 			  FLAGS_REARM_LATCH_SIGNAL,
11618 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11619 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11620 	.mdio_ctrl	= 0,
11621 	.supported	= (SUPPORTED_10baseT_Half |
11622 			   SUPPORTED_10baseT_Full |
11623 			   SUPPORTED_100baseT_Half |
11624 			   SUPPORTED_100baseT_Full |
11625 			   SUPPORTED_1000baseT_Full |
11626 			   SUPPORTED_10000baseT_Full |
11627 			   SUPPORTED_TP |
11628 			   SUPPORTED_Autoneg |
11629 			   SUPPORTED_Pause |
11630 			   SUPPORTED_Asym_Pause),
11631 	.media_type	= ETH_PHY_BASE_T,
11632 	.ver_addr	= 0,
11633 	.req_flow_ctrl	= 0,
11634 	.req_line_speed	= 0,
11635 	.speed_cap_mask	= 0,
11636 	.req_duplex	= 0,
11637 	.rsrv		= 0,
11638 	.config_init	= (config_init_t)bnx2x_8481_config_init,
11639 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11640 	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
11641 	.config_loopback = (config_loopback_t)NULL,
11642 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11643 	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
11644 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11645 	.phy_specific_func = (phy_specific_func_t)NULL
11646 };
11647 
11648 static const struct bnx2x_phy phy_84823 = {
11649 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11650 	.addr		= 0xff,
11651 	.def_md_devad	= 0,
11652 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11653 			   FLAGS_REARM_LATCH_SIGNAL |
11654 			   FLAGS_TX_ERROR_CHECK),
11655 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11656 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11657 	.mdio_ctrl	= 0,
11658 	.supported	= (SUPPORTED_10baseT_Half |
11659 			   SUPPORTED_10baseT_Full |
11660 			   SUPPORTED_100baseT_Half |
11661 			   SUPPORTED_100baseT_Full |
11662 			   SUPPORTED_1000baseT_Full |
11663 			   SUPPORTED_10000baseT_Full |
11664 			   SUPPORTED_TP |
11665 			   SUPPORTED_Autoneg |
11666 			   SUPPORTED_Pause |
11667 			   SUPPORTED_Asym_Pause),
11668 	.media_type	= ETH_PHY_BASE_T,
11669 	.ver_addr	= 0,
11670 	.req_flow_ctrl	= 0,
11671 	.req_line_speed	= 0,
11672 	.speed_cap_mask	= 0,
11673 	.req_duplex	= 0,
11674 	.rsrv		= 0,
11675 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11676 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11677 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11678 	.config_loopback = (config_loopback_t)NULL,
11679 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11680 	.hw_reset	= (hw_reset_t)NULL,
11681 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11682 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11683 };
11684 
11685 static const struct bnx2x_phy phy_84833 = {
11686 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11687 	.addr		= 0xff,
11688 	.def_md_devad	= 0,
11689 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11690 			   FLAGS_REARM_LATCH_SIGNAL |
11691 			   FLAGS_TX_ERROR_CHECK),
11692 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11693 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11694 	.mdio_ctrl	= 0,
11695 	.supported	= (SUPPORTED_100baseT_Half |
11696 			   SUPPORTED_100baseT_Full |
11697 			   SUPPORTED_1000baseT_Full |
11698 			   SUPPORTED_10000baseT_Full |
11699 			   SUPPORTED_TP |
11700 			   SUPPORTED_Autoneg |
11701 			   SUPPORTED_Pause |
11702 			   SUPPORTED_Asym_Pause),
11703 	.media_type	= ETH_PHY_BASE_T,
11704 	.ver_addr	= 0,
11705 	.req_flow_ctrl	= 0,
11706 	.req_line_speed	= 0,
11707 	.speed_cap_mask	= 0,
11708 	.req_duplex	= 0,
11709 	.rsrv		= 0,
11710 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11711 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11712 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11713 	.config_loopback = (config_loopback_t)NULL,
11714 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11715 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11716 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11717 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11718 };
11719 
11720 static const struct bnx2x_phy phy_84834 = {
11721 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11722 	.addr		= 0xff,
11723 	.def_md_devad	= 0,
11724 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11725 			    FLAGS_REARM_LATCH_SIGNAL,
11726 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11727 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11728 	.mdio_ctrl	= 0,
11729 	.supported	= (SUPPORTED_100baseT_Half |
11730 			   SUPPORTED_100baseT_Full |
11731 			   SUPPORTED_1000baseT_Full |
11732 			   SUPPORTED_10000baseT_Full |
11733 			   SUPPORTED_TP |
11734 			   SUPPORTED_Autoneg |
11735 			   SUPPORTED_Pause |
11736 			   SUPPORTED_Asym_Pause),
11737 	.media_type	= ETH_PHY_BASE_T,
11738 	.ver_addr	= 0,
11739 	.req_flow_ctrl	= 0,
11740 	.req_line_speed	= 0,
11741 	.speed_cap_mask	= 0,
11742 	.req_duplex	= 0,
11743 	.rsrv		= 0,
11744 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11745 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11746 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11747 	.config_loopback = (config_loopback_t)NULL,
11748 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11749 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11750 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11751 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11752 };
11753 
11754 static const struct bnx2x_phy phy_54618se = {
11755 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11756 	.addr		= 0xff,
11757 	.def_md_devad	= 0,
11758 	.flags		= FLAGS_INIT_XGXS_FIRST,
11759 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11760 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11761 	.mdio_ctrl	= 0,
11762 	.supported	= (SUPPORTED_10baseT_Half |
11763 			   SUPPORTED_10baseT_Full |
11764 			   SUPPORTED_100baseT_Half |
11765 			   SUPPORTED_100baseT_Full |
11766 			   SUPPORTED_1000baseT_Full |
11767 			   SUPPORTED_TP |
11768 			   SUPPORTED_Autoneg |
11769 			   SUPPORTED_Pause |
11770 			   SUPPORTED_Asym_Pause),
11771 	.media_type	= ETH_PHY_BASE_T,
11772 	.ver_addr	= 0,
11773 	.req_flow_ctrl	= 0,
11774 	.req_line_speed	= 0,
11775 	.speed_cap_mask	= 0,
11776 	/* req_duplex = */0,
11777 	/* rsrv = */0,
11778 	.config_init	= (config_init_t)bnx2x_54618se_config_init,
11779 	.read_status	= (read_status_t)bnx2x_54618se_read_status,
11780 	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
11781 	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11782 	.format_fw_ver	= (format_fw_ver_t)NULL,
11783 	.hw_reset	= (hw_reset_t)NULL,
11784 	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
11785 	.phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
11786 };
11787 /*****************************************************************/
11788 /*                                                               */
11789 /* Populate the phy according. Main function: bnx2x_populate_phy   */
11790 /*                                                               */
11791 /*****************************************************************/
11792 
11793 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11794 				     struct bnx2x_phy *phy, u8 port,
11795 				     u8 phy_index)
11796 {
11797 	/* Get the 4 lanes xgxs config rx and tx */
11798 	u32 rx = 0, tx = 0, i;
11799 	for (i = 0; i < 2; i++) {
11800 		/* INT_PHY and EXT_PHY1 share the same value location in
11801 		 * the shmem. When num_phys is greater than 1, than this value
11802 		 * applies only to EXT_PHY1
11803 		 */
11804 		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11805 			rx = REG_RD(bp, shmem_base +
11806 				    offsetof(struct shmem_region,
11807 			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11808 
11809 			tx = REG_RD(bp, shmem_base +
11810 				    offsetof(struct shmem_region,
11811 			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11812 		} else {
11813 			rx = REG_RD(bp, shmem_base +
11814 				    offsetof(struct shmem_region,
11815 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11816 
11817 			tx = REG_RD(bp, shmem_base +
11818 				    offsetof(struct shmem_region,
11819 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11820 		}
11821 
11822 		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11823 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11824 
11825 		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11826 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11827 	}
11828 }
11829 
11830 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11831 				    u8 phy_index, u8 port)
11832 {
11833 	u32 ext_phy_config = 0;
11834 	switch (phy_index) {
11835 	case EXT_PHY1:
11836 		ext_phy_config = REG_RD(bp, shmem_base +
11837 					      offsetof(struct shmem_region,
11838 			dev_info.port_hw_config[port].external_phy_config));
11839 		break;
11840 	case EXT_PHY2:
11841 		ext_phy_config = REG_RD(bp, shmem_base +
11842 					      offsetof(struct shmem_region,
11843 			dev_info.port_hw_config[port].external_phy_config2));
11844 		break;
11845 	default:
11846 		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11847 		return -EINVAL;
11848 	}
11849 
11850 	return ext_phy_config;
11851 }
11852 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11853 				  struct bnx2x_phy *phy)
11854 {
11855 	u32 phy_addr;
11856 	u32 chip_id;
11857 	u32 switch_cfg = (REG_RD(bp, shmem_base +
11858 				       offsetof(struct shmem_region,
11859 			dev_info.port_feature_config[port].link_config)) &
11860 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
11861 	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11862 		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11863 
11864 	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11865 	if (USES_WARPCORE(bp)) {
11866 		u32 serdes_net_if;
11867 		phy_addr = REG_RD(bp,
11868 				  MISC_REG_WC0_CTRL_PHY_ADDR);
11869 		*phy = phy_warpcore;
11870 		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11871 			phy->flags |= FLAGS_4_PORT_MODE;
11872 		else
11873 			phy->flags &= ~FLAGS_4_PORT_MODE;
11874 			/* Check Dual mode */
11875 		serdes_net_if = (REG_RD(bp, shmem_base +
11876 					offsetof(struct shmem_region, dev_info.
11877 					port_hw_config[port].default_cfg)) &
11878 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
11879 		/* Set the appropriate supported and flags indications per
11880 		 * interface type of the chip
11881 		 */
11882 		switch (serdes_net_if) {
11883 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11884 			phy->supported &= (SUPPORTED_10baseT_Half |
11885 					   SUPPORTED_10baseT_Full |
11886 					   SUPPORTED_100baseT_Half |
11887 					   SUPPORTED_100baseT_Full |
11888 					   SUPPORTED_1000baseT_Full |
11889 					   SUPPORTED_FIBRE |
11890 					   SUPPORTED_Autoneg |
11891 					   SUPPORTED_Pause |
11892 					   SUPPORTED_Asym_Pause);
11893 			phy->media_type = ETH_PHY_BASE_T;
11894 			break;
11895 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
11896 			phy->supported &= (SUPPORTED_1000baseT_Full |
11897 					   SUPPORTED_10000baseT_Full |
11898 					   SUPPORTED_FIBRE |
11899 					   SUPPORTED_Pause |
11900 					   SUPPORTED_Asym_Pause);
11901 			phy->media_type = ETH_PHY_XFP_FIBER;
11902 			break;
11903 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
11904 			phy->supported &= (SUPPORTED_1000baseT_Full |
11905 					   SUPPORTED_10000baseT_Full |
11906 					   SUPPORTED_FIBRE |
11907 					   SUPPORTED_Pause |
11908 					   SUPPORTED_Asym_Pause);
11909 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11910 			break;
11911 		case PORT_HW_CFG_NET_SERDES_IF_KR:
11912 			phy->media_type = ETH_PHY_KR;
11913 			phy->supported &= (SUPPORTED_1000baseT_Full |
11914 					   SUPPORTED_10000baseT_Full |
11915 					   SUPPORTED_FIBRE |
11916 					   SUPPORTED_Autoneg |
11917 					   SUPPORTED_Pause |
11918 					   SUPPORTED_Asym_Pause);
11919 			break;
11920 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11921 			phy->media_type = ETH_PHY_KR;
11922 			phy->flags |= FLAGS_WC_DUAL_MODE;
11923 			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11924 					   SUPPORTED_FIBRE |
11925 					   SUPPORTED_Pause |
11926 					   SUPPORTED_Asym_Pause);
11927 			break;
11928 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
11929 			phy->media_type = ETH_PHY_KR;
11930 			phy->flags |= FLAGS_WC_DUAL_MODE;
11931 			phy->supported &= (SUPPORTED_20000baseKR2_Full |
11932 					   SUPPORTED_10000baseT_Full |
11933 					   SUPPORTED_1000baseT_Full |
11934 					   SUPPORTED_Autoneg |
11935 					   SUPPORTED_FIBRE |
11936 					   SUPPORTED_Pause |
11937 					   SUPPORTED_Asym_Pause);
11938 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
11939 			break;
11940 		default:
11941 			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11942 				       serdes_net_if);
11943 			break;
11944 		}
11945 
11946 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11947 		 * was not set as expected. For B0, ECO will be enabled so there
11948 		 * won't be an issue there
11949 		 */
11950 		if (CHIP_REV(bp) == CHIP_REV_Ax)
11951 			phy->flags |= FLAGS_MDC_MDIO_WA;
11952 		else
11953 			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11954 	} else {
11955 		switch (switch_cfg) {
11956 		case SWITCH_CFG_1G:
11957 			phy_addr = REG_RD(bp,
11958 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
11959 					  port * 0x10);
11960 			*phy = phy_serdes;
11961 			break;
11962 		case SWITCH_CFG_10G:
11963 			phy_addr = REG_RD(bp,
11964 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
11965 					  port * 0x18);
11966 			*phy = phy_xgxs;
11967 			break;
11968 		default:
11969 			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11970 			return -EINVAL;
11971 		}
11972 	}
11973 	phy->addr = (u8)phy_addr;
11974 	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11975 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11976 					    port);
11977 	if (CHIP_IS_E2(bp))
11978 		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11979 	else
11980 		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
11981 
11982 	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11983 		   port, phy->addr, phy->mdio_ctrl);
11984 
11985 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11986 	return 0;
11987 }
11988 
11989 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11990 				  u8 phy_index,
11991 				  u32 shmem_base,
11992 				  u32 shmem2_base,
11993 				  u8 port,
11994 				  struct bnx2x_phy *phy)
11995 {
11996 	u32 ext_phy_config, phy_type, config2;
11997 	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
11998 	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11999 						  phy_index, port);
12000 	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12001 	/* Select the phy type */
12002 	switch (phy_type) {
12003 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12004 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12005 		*phy = phy_8073;
12006 		break;
12007 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12008 		*phy = phy_8705;
12009 		break;
12010 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12011 		*phy = phy_8706;
12012 		break;
12013 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12014 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12015 		*phy = phy_8726;
12016 		break;
12017 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12018 		/* BCM8727_NOC => BCM8727 no over current */
12019 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12020 		*phy = phy_8727;
12021 		phy->flags |= FLAGS_NOC;
12022 		break;
12023 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12024 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12025 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12026 		*phy = phy_8727;
12027 		break;
12028 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12029 		*phy = phy_8481;
12030 		break;
12031 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12032 		*phy = phy_84823;
12033 		break;
12034 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12035 		*phy = phy_84833;
12036 		break;
12037 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12038 		*phy = phy_84834;
12039 		break;
12040 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12041 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12042 		*phy = phy_54618se;
12043 		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12044 			phy->flags |= FLAGS_EEE;
12045 		break;
12046 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12047 		*phy = phy_7101;
12048 		break;
12049 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12050 		*phy = phy_null;
12051 		return -EINVAL;
12052 	default:
12053 		*phy = phy_null;
12054 		/* In case external PHY wasn't found */
12055 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12056 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12057 			return -EINVAL;
12058 		return 0;
12059 	}
12060 
12061 	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12062 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12063 
12064 	/* The shmem address of the phy version is located on different
12065 	 * structures. In case this structure is too old, do not set
12066 	 * the address
12067 	 */
12068 	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12069 					dev_info.shared_hw_config.config2));
12070 	if (phy_index == EXT_PHY1) {
12071 		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12072 				port_mb[port].ext_phy_fw_version);
12073 
12074 		/* Check specific mdc mdio settings */
12075 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12076 			mdc_mdio_access = config2 &
12077 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12078 	} else {
12079 		u32 size = REG_RD(bp, shmem2_base);
12080 
12081 		if (size >
12082 		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12083 			phy->ver_addr = shmem2_base +
12084 			    offsetof(struct shmem2_region,
12085 				     ext_phy_fw_version2[port]);
12086 		}
12087 		/* Check specific mdc mdio settings */
12088 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12089 			mdc_mdio_access = (config2 &
12090 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12091 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12092 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12093 	}
12094 	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12095 
12096 	if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
12097 	     (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
12098 	    (phy->ver_addr)) {
12099 		/* Remove 100Mb link supported for BCM84833/4 when phy fw
12100 		 * version lower than or equal to 1.39
12101 		 */
12102 		u32 raw_ver = REG_RD(bp, phy->ver_addr);
12103 		if (((raw_ver & 0x7F) <= 39) &&
12104 		    (((raw_ver & 0xF80) >> 7) <= 1))
12105 			phy->supported &= ~(SUPPORTED_100baseT_Half |
12106 					    SUPPORTED_100baseT_Full);
12107 	}
12108 
12109 	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12110 		   phy_type, port, phy_index);
12111 	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
12112 		   phy->addr, phy->mdio_ctrl);
12113 	return 0;
12114 }
12115 
12116 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12117 			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12118 {
12119 	int status = 0;
12120 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12121 	if (phy_index == INT_PHY)
12122 		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12123 	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12124 					port, phy);
12125 	return status;
12126 }
12127 
12128 static void bnx2x_phy_def_cfg(struct link_params *params,
12129 			      struct bnx2x_phy *phy,
12130 			      u8 phy_index)
12131 {
12132 	struct bnx2x *bp = params->bp;
12133 	u32 link_config;
12134 	/* Populate the default phy configuration for MF mode */
12135 	if (phy_index == EXT_PHY2) {
12136 		link_config = REG_RD(bp, params->shmem_base +
12137 				     offsetof(struct shmem_region, dev_info.
12138 			port_feature_config[params->port].link_config2));
12139 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12140 					     offsetof(struct shmem_region,
12141 						      dev_info.
12142 			port_hw_config[params->port].speed_capability_mask2));
12143 	} else {
12144 		link_config = REG_RD(bp, params->shmem_base +
12145 				     offsetof(struct shmem_region, dev_info.
12146 				port_feature_config[params->port].link_config));
12147 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12148 					     offsetof(struct shmem_region,
12149 						      dev_info.
12150 			port_hw_config[params->port].speed_capability_mask));
12151 	}
12152 	DP(NETIF_MSG_LINK,
12153 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12154 	   phy_index, link_config, phy->speed_cap_mask);
12155 
12156 	phy->req_duplex = DUPLEX_FULL;
12157 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
12158 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
12159 		phy->req_duplex = DUPLEX_HALF;
12160 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
12161 		phy->req_line_speed = SPEED_10;
12162 		break;
12163 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
12164 		phy->req_duplex = DUPLEX_HALF;
12165 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
12166 		phy->req_line_speed = SPEED_100;
12167 		break;
12168 	case PORT_FEATURE_LINK_SPEED_1G:
12169 		phy->req_line_speed = SPEED_1000;
12170 		break;
12171 	case PORT_FEATURE_LINK_SPEED_2_5G:
12172 		phy->req_line_speed = SPEED_2500;
12173 		break;
12174 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
12175 		phy->req_line_speed = SPEED_10000;
12176 		break;
12177 	default:
12178 		phy->req_line_speed = SPEED_AUTO_NEG;
12179 		break;
12180 	}
12181 
12182 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12183 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
12184 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12185 		break;
12186 	case PORT_FEATURE_FLOW_CONTROL_TX:
12187 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12188 		break;
12189 	case PORT_FEATURE_FLOW_CONTROL_RX:
12190 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12191 		break;
12192 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
12193 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12194 		break;
12195 	default:
12196 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12197 		break;
12198 	}
12199 }
12200 
12201 u32 bnx2x_phy_selection(struct link_params *params)
12202 {
12203 	u32 phy_config_swapped, prio_cfg;
12204 	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12205 
12206 	phy_config_swapped = params->multi_phy_config &
12207 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12208 
12209 	prio_cfg = params->multi_phy_config &
12210 			PORT_HW_CFG_PHY_SELECTION_MASK;
12211 
12212 	if (phy_config_swapped) {
12213 		switch (prio_cfg) {
12214 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12215 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12216 		     break;
12217 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12218 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12219 		     break;
12220 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12221 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12222 		     break;
12223 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12224 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12225 		     break;
12226 		}
12227 	} else
12228 		return_cfg = prio_cfg;
12229 
12230 	return return_cfg;
12231 }
12232 
12233 int bnx2x_phy_probe(struct link_params *params)
12234 {
12235 	u8 phy_index, actual_phy_idx;
12236 	u32 phy_config_swapped, sync_offset, media_types;
12237 	struct bnx2x *bp = params->bp;
12238 	struct bnx2x_phy *phy;
12239 	params->num_phys = 0;
12240 	DP(NETIF_MSG_LINK, "Begin phy probe\n");
12241 	phy_config_swapped = params->multi_phy_config &
12242 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12243 
12244 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12245 	      phy_index++) {
12246 		actual_phy_idx = phy_index;
12247 		if (phy_config_swapped) {
12248 			if (phy_index == EXT_PHY1)
12249 				actual_phy_idx = EXT_PHY2;
12250 			else if (phy_index == EXT_PHY2)
12251 				actual_phy_idx = EXT_PHY1;
12252 		}
12253 		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12254 			       " actual_phy_idx %x\n", phy_config_swapped,
12255 			   phy_index, actual_phy_idx);
12256 		phy = &params->phy[actual_phy_idx];
12257 		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12258 				       params->shmem2_base, params->port,
12259 				       phy) != 0) {
12260 			params->num_phys = 0;
12261 			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12262 				   phy_index);
12263 			for (phy_index = INT_PHY;
12264 			      phy_index < MAX_PHYS;
12265 			      phy_index++)
12266 				*phy = phy_null;
12267 			return -EINVAL;
12268 		}
12269 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12270 			break;
12271 
12272 		if (params->feature_config_flags &
12273 		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12274 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12275 
12276 		if (!(params->feature_config_flags &
12277 		      FEATURE_CONFIG_MT_SUPPORT))
12278 			phy->flags |= FLAGS_MDC_MDIO_WA_G;
12279 
12280 		sync_offset = params->shmem_base +
12281 			offsetof(struct shmem_region,
12282 			dev_info.port_hw_config[params->port].media_type);
12283 		media_types = REG_RD(bp, sync_offset);
12284 
12285 		/* Update media type for non-PMF sync only for the first time
12286 		 * In case the media type changes afterwards, it will be updated
12287 		 * using the update_status function
12288 		 */
12289 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12290 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12291 				     actual_phy_idx))) == 0) {
12292 			media_types |= ((phy->media_type &
12293 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12294 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12295 				 actual_phy_idx));
12296 		}
12297 		REG_WR(bp, sync_offset, media_types);
12298 
12299 		bnx2x_phy_def_cfg(params, phy, phy_index);
12300 		params->num_phys++;
12301 	}
12302 
12303 	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12304 	return 0;
12305 }
12306 
12307 static void bnx2x_init_bmac_loopback(struct link_params *params,
12308 				     struct link_vars *vars)
12309 {
12310 	struct bnx2x *bp = params->bp;
12311 		vars->link_up = 1;
12312 		vars->line_speed = SPEED_10000;
12313 		vars->duplex = DUPLEX_FULL;
12314 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12315 		vars->mac_type = MAC_TYPE_BMAC;
12316 
12317 		vars->phy_flags = PHY_XGXS_FLAG;
12318 
12319 		bnx2x_xgxs_deassert(params);
12320 
12321 		/* Set bmac loopback */
12322 		bnx2x_bmac_enable(params, vars, 1, 1);
12323 
12324 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12325 }
12326 
12327 static void bnx2x_init_emac_loopback(struct link_params *params,
12328 				     struct link_vars *vars)
12329 {
12330 	struct bnx2x *bp = params->bp;
12331 		vars->link_up = 1;
12332 		vars->line_speed = SPEED_1000;
12333 		vars->duplex = DUPLEX_FULL;
12334 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12335 		vars->mac_type = MAC_TYPE_EMAC;
12336 
12337 		vars->phy_flags = PHY_XGXS_FLAG;
12338 
12339 		bnx2x_xgxs_deassert(params);
12340 		/* Set bmac loopback */
12341 		bnx2x_emac_enable(params, vars, 1);
12342 		bnx2x_emac_program(params, vars);
12343 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12344 }
12345 
12346 static void bnx2x_init_xmac_loopback(struct link_params *params,
12347 				     struct link_vars *vars)
12348 {
12349 	struct bnx2x *bp = params->bp;
12350 	vars->link_up = 1;
12351 	if (!params->req_line_speed[0])
12352 		vars->line_speed = SPEED_10000;
12353 	else
12354 		vars->line_speed = params->req_line_speed[0];
12355 	vars->duplex = DUPLEX_FULL;
12356 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12357 	vars->mac_type = MAC_TYPE_XMAC;
12358 	vars->phy_flags = PHY_XGXS_FLAG;
12359 	/* Set WC to loopback mode since link is required to provide clock
12360 	 * to the XMAC in 20G mode
12361 	 */
12362 	bnx2x_set_aer_mmd(params, &params->phy[0]);
12363 	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12364 	params->phy[INT_PHY].config_loopback(
12365 			&params->phy[INT_PHY],
12366 			params);
12367 
12368 	bnx2x_xmac_enable(params, vars, 1);
12369 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12370 }
12371 
12372 static void bnx2x_init_umac_loopback(struct link_params *params,
12373 				     struct link_vars *vars)
12374 {
12375 	struct bnx2x *bp = params->bp;
12376 	vars->link_up = 1;
12377 	vars->line_speed = SPEED_1000;
12378 	vars->duplex = DUPLEX_FULL;
12379 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12380 	vars->mac_type = MAC_TYPE_UMAC;
12381 	vars->phy_flags = PHY_XGXS_FLAG;
12382 	bnx2x_umac_enable(params, vars, 1);
12383 
12384 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12385 }
12386 
12387 static void bnx2x_init_xgxs_loopback(struct link_params *params,
12388 				     struct link_vars *vars)
12389 {
12390 	struct bnx2x *bp = params->bp;
12391 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
12392 	vars->link_up = 1;
12393 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12394 	vars->duplex = DUPLEX_FULL;
12395 	if (params->req_line_speed[0] == SPEED_1000)
12396 		vars->line_speed = SPEED_1000;
12397 	else if ((params->req_line_speed[0] == SPEED_20000) ||
12398 		 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12399 		vars->line_speed = SPEED_20000;
12400 	else
12401 		vars->line_speed = SPEED_10000;
12402 
12403 	if (!USES_WARPCORE(bp))
12404 		bnx2x_xgxs_deassert(params);
12405 	bnx2x_link_initialize(params, vars);
12406 
12407 	if (params->req_line_speed[0] == SPEED_1000) {
12408 		if (USES_WARPCORE(bp))
12409 			bnx2x_umac_enable(params, vars, 0);
12410 		else {
12411 			bnx2x_emac_program(params, vars);
12412 			bnx2x_emac_enable(params, vars, 0);
12413 		}
12414 	} else {
12415 		if (USES_WARPCORE(bp))
12416 			bnx2x_xmac_enable(params, vars, 0);
12417 		else
12418 			bnx2x_bmac_enable(params, vars, 0, 1);
12419 	}
12420 
12421 	if (params->loopback_mode == LOOPBACK_XGXS) {
12422 		/* Set 10G XGXS loopback */
12423 		int_phy->config_loopback(int_phy, params);
12424 	} else {
12425 		/* Set external phy loopback */
12426 		u8 phy_index;
12427 		for (phy_index = EXT_PHY1;
12428 		      phy_index < params->num_phys; phy_index++)
12429 			if (params->phy[phy_index].config_loopback)
12430 				params->phy[phy_index].config_loopback(
12431 					&params->phy[phy_index],
12432 					params);
12433 	}
12434 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12435 
12436 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12437 }
12438 
12439 void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12440 {
12441 	struct bnx2x *bp = params->bp;
12442 	u8 val = en * 0x1F;
12443 
12444 	/* Open / close the gate between the NIG and the BRB */
12445 	if (!CHIP_IS_E1x(bp))
12446 		val |= en * 0x20;
12447 	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12448 
12449 	if (!CHIP_IS_E1(bp)) {
12450 		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12451 		       en*0x3);
12452 	}
12453 
12454 	REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12455 		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
12456 }
12457 static int bnx2x_avoid_link_flap(struct link_params *params,
12458 					    struct link_vars *vars)
12459 {
12460 	u32 phy_idx;
12461 	u32 dont_clear_stat, lfa_sts;
12462 	struct bnx2x *bp = params->bp;
12463 
12464 	/* Sync the link parameters */
12465 	bnx2x_link_status_update(params, vars);
12466 
12467 	/*
12468 	 * The module verification was already done by previous link owner,
12469 	 * so this call is meant only to get warning message
12470 	 */
12471 
12472 	for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12473 		struct bnx2x_phy *phy = &params->phy[phy_idx];
12474 		if (phy->phy_specific_func) {
12475 			DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12476 			phy->phy_specific_func(phy, params, PHY_INIT);
12477 		}
12478 		if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12479 		    (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12480 		    (phy->media_type == ETH_PHY_DA_TWINAX))
12481 			bnx2x_verify_sfp_module(phy, params);
12482 	}
12483 	lfa_sts = REG_RD(bp, params->lfa_base +
12484 			 offsetof(struct shmem_lfa,
12485 				  lfa_sts));
12486 
12487 	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12488 
12489 	/* Re-enable the NIG/MAC */
12490 	if (CHIP_IS_E3(bp)) {
12491 		if (!dont_clear_stat) {
12492 			REG_WR(bp, GRCBASE_MISC +
12493 			       MISC_REGISTERS_RESET_REG_2_CLEAR,
12494 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12495 				params->port));
12496 			REG_WR(bp, GRCBASE_MISC +
12497 			       MISC_REGISTERS_RESET_REG_2_SET,
12498 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12499 				params->port));
12500 		}
12501 		if (vars->line_speed < SPEED_10000)
12502 			bnx2x_umac_enable(params, vars, 0);
12503 		else
12504 			bnx2x_xmac_enable(params, vars, 0);
12505 	} else {
12506 		if (vars->line_speed < SPEED_10000)
12507 			bnx2x_emac_enable(params, vars, 0);
12508 		else
12509 			bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12510 	}
12511 
12512 	/* Increment LFA count */
12513 	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12514 		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12515 		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12516 		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12517 	/* Clear link flap reason */
12518 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12519 
12520 	REG_WR(bp, params->lfa_base +
12521 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12522 
12523 	/* Disable NIG DRAIN */
12524 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12525 
12526 	/* Enable interrupts */
12527 	bnx2x_link_int_enable(params);
12528 	return 0;
12529 }
12530 
12531 static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12532 					 struct link_vars *vars,
12533 					 int lfa_status)
12534 {
12535 	u32 lfa_sts, cfg_idx, tmp_val;
12536 	struct bnx2x *bp = params->bp;
12537 
12538 	bnx2x_link_reset(params, vars, 1);
12539 
12540 	if (!params->lfa_base)
12541 		return;
12542 	/* Store the new link parameters */
12543 	REG_WR(bp, params->lfa_base +
12544 	       offsetof(struct shmem_lfa, req_duplex),
12545 	       params->req_duplex[0] | (params->req_duplex[1] << 16));
12546 
12547 	REG_WR(bp, params->lfa_base +
12548 	       offsetof(struct shmem_lfa, req_flow_ctrl),
12549 	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12550 
12551 	REG_WR(bp, params->lfa_base +
12552 	       offsetof(struct shmem_lfa, req_line_speed),
12553 	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12554 
12555 	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12556 		REG_WR(bp, params->lfa_base +
12557 		       offsetof(struct shmem_lfa,
12558 				speed_cap_mask[cfg_idx]),
12559 		       params->speed_cap_mask[cfg_idx]);
12560 	}
12561 
12562 	tmp_val = REG_RD(bp, params->lfa_base +
12563 			 offsetof(struct shmem_lfa, additional_config));
12564 	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12565 	tmp_val |= params->req_fc_auto_adv;
12566 
12567 	REG_WR(bp, params->lfa_base +
12568 	       offsetof(struct shmem_lfa, additional_config), tmp_val);
12569 
12570 	lfa_sts = REG_RD(bp, params->lfa_base +
12571 			 offsetof(struct shmem_lfa, lfa_sts));
12572 
12573 	/* Clear the "Don't Clear Statistics" bit, and set reason */
12574 	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12575 
12576 	/* Set link flap reason */
12577 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12578 	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12579 		    LFA_LINK_FLAP_REASON_OFFSET);
12580 
12581 	/* Increment link flap counter */
12582 	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12583 		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12584 		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12585 		    << LINK_FLAP_COUNT_OFFSET));
12586 	REG_WR(bp, params->lfa_base +
12587 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12588 	/* Proceed with regular link initialization */
12589 }
12590 
12591 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12592 {
12593 	int lfa_status;
12594 	struct bnx2x *bp = params->bp;
12595 	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12596 	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12597 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
12598 	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12599 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
12600 	DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12601 	vars->link_status = 0;
12602 	vars->phy_link_up = 0;
12603 	vars->link_up = 0;
12604 	vars->line_speed = 0;
12605 	vars->duplex = DUPLEX_FULL;
12606 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12607 	vars->mac_type = MAC_TYPE_NONE;
12608 	vars->phy_flags = 0;
12609 	vars->check_kr2_recovery_cnt = 0;
12610 	params->link_flags = PHY_INITIALIZED;
12611 	/* Driver opens NIG-BRB filters */
12612 	bnx2x_set_rx_filter(params, 1);
12613 	/* Check if link flap can be avoided */
12614 	lfa_status = bnx2x_check_lfa(params);
12615 
12616 	if (lfa_status == 0) {
12617 		DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12618 		return bnx2x_avoid_link_flap(params, vars);
12619 	}
12620 
12621 	DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12622 		       lfa_status);
12623 	bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12624 
12625 	/* Disable attentions */
12626 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12627 		       (NIG_MASK_XGXS0_LINK_STATUS |
12628 			NIG_MASK_XGXS0_LINK10G |
12629 			NIG_MASK_SERDES0_LINK_STATUS |
12630 			NIG_MASK_MI_INT));
12631 
12632 	bnx2x_emac_init(params, vars);
12633 
12634 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12635 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
12636 
12637 	if (params->num_phys == 0) {
12638 		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12639 		return -EINVAL;
12640 	}
12641 	set_phy_vars(params, vars);
12642 
12643 	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12644 	switch (params->loopback_mode) {
12645 	case LOOPBACK_BMAC:
12646 		bnx2x_init_bmac_loopback(params, vars);
12647 		break;
12648 	case LOOPBACK_EMAC:
12649 		bnx2x_init_emac_loopback(params, vars);
12650 		break;
12651 	case LOOPBACK_XMAC:
12652 		bnx2x_init_xmac_loopback(params, vars);
12653 		break;
12654 	case LOOPBACK_UMAC:
12655 		bnx2x_init_umac_loopback(params, vars);
12656 		break;
12657 	case LOOPBACK_XGXS:
12658 	case LOOPBACK_EXT_PHY:
12659 		bnx2x_init_xgxs_loopback(params, vars);
12660 		break;
12661 	default:
12662 		if (!CHIP_IS_E3(bp)) {
12663 			if (params->switch_cfg == SWITCH_CFG_10G)
12664 				bnx2x_xgxs_deassert(params);
12665 			else
12666 				bnx2x_serdes_deassert(bp, params->port);
12667 		}
12668 		bnx2x_link_initialize(params, vars);
12669 		msleep(30);
12670 		bnx2x_link_int_enable(params);
12671 		break;
12672 	}
12673 	bnx2x_update_mng(params, vars->link_status);
12674 
12675 	bnx2x_update_mng_eee(params, vars->eee_status);
12676 	return 0;
12677 }
12678 
12679 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12680 		     u8 reset_ext_phy)
12681 {
12682 	struct bnx2x *bp = params->bp;
12683 	u8 phy_index, port = params->port, clear_latch_ind = 0;
12684 	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12685 	/* Disable attentions */
12686 	vars->link_status = 0;
12687 	bnx2x_update_mng(params, vars->link_status);
12688 	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12689 			      SHMEM_EEE_ACTIVE_BIT);
12690 	bnx2x_update_mng_eee(params, vars->eee_status);
12691 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12692 		       (NIG_MASK_XGXS0_LINK_STATUS |
12693 			NIG_MASK_XGXS0_LINK10G |
12694 			NIG_MASK_SERDES0_LINK_STATUS |
12695 			NIG_MASK_MI_INT));
12696 
12697 	/* Activate nig drain */
12698 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12699 
12700 	/* Disable nig egress interface */
12701 	if (!CHIP_IS_E3(bp)) {
12702 		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12703 		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12704 	}
12705 
12706 		if (!CHIP_IS_E3(bp)) {
12707 			bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12708 		} else {
12709 			bnx2x_set_xmac_rxtx(params, 0);
12710 			bnx2x_set_umac_rxtx(params, 0);
12711 		}
12712 	/* Disable emac */
12713 	if (!CHIP_IS_E3(bp))
12714 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12715 
12716 	usleep_range(10000, 20000);
12717 	/* The PHY reset is controlled by GPIO 1
12718 	 * Hold it as vars low
12719 	 */
12720 	 /* Clear link led */
12721 	bnx2x_set_mdio_emac_per_phy(bp, params);
12722 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12723 
12724 	if (reset_ext_phy) {
12725 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12726 		      phy_index++) {
12727 			if (params->phy[phy_index].link_reset) {
12728 				bnx2x_set_aer_mmd(params,
12729 						  &params->phy[phy_index]);
12730 				params->phy[phy_index].link_reset(
12731 					&params->phy[phy_index],
12732 					params);
12733 			}
12734 			if (params->phy[phy_index].flags &
12735 			    FLAGS_REARM_LATCH_SIGNAL)
12736 				clear_latch_ind = 1;
12737 		}
12738 	}
12739 
12740 	if (clear_latch_ind) {
12741 		/* Clear latching indication */
12742 		bnx2x_rearm_latch_signal(bp, port, 0);
12743 		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12744 			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
12745 	}
12746 	if (params->phy[INT_PHY].link_reset)
12747 		params->phy[INT_PHY].link_reset(
12748 			&params->phy[INT_PHY], params);
12749 
12750 	/* Disable nig ingress interface */
12751 	if (!CHIP_IS_E3(bp)) {
12752 		/* Reset BigMac */
12753 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12754 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12755 		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12756 		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12757 	} else {
12758 		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12759 		bnx2x_set_xumac_nig(params, 0, 0);
12760 		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12761 		    MISC_REGISTERS_RESET_REG_2_XMAC)
12762 			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12763 			       XMAC_CTRL_REG_SOFT_RESET);
12764 	}
12765 	vars->link_up = 0;
12766 	vars->phy_flags = 0;
12767 	return 0;
12768 }
12769 int bnx2x_lfa_reset(struct link_params *params,
12770 			       struct link_vars *vars)
12771 {
12772 	struct bnx2x *bp = params->bp;
12773 	vars->link_up = 0;
12774 	vars->phy_flags = 0;
12775 	params->link_flags &= ~PHY_INITIALIZED;
12776 	if (!params->lfa_base)
12777 		return bnx2x_link_reset(params, vars, 1);
12778 	/*
12779 	 * Activate NIG drain so that during this time the device won't send
12780 	 * anything while it is unable to response.
12781 	 */
12782 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12783 
12784 	/*
12785 	 * Close gracefully the gate from BMAC to NIG such that no half packets
12786 	 * are passed.
12787 	 */
12788 	if (!CHIP_IS_E3(bp))
12789 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12790 
12791 	if (CHIP_IS_E3(bp)) {
12792 		bnx2x_set_xmac_rxtx(params, 0);
12793 		bnx2x_set_umac_rxtx(params, 0);
12794 	}
12795 	/* Wait 10ms for the pipe to clean up*/
12796 	usleep_range(10000, 20000);
12797 
12798 	/* Clean the NIG-BRB using the network filters in a way that will
12799 	 * not cut a packet in the middle.
12800 	 */
12801 	bnx2x_set_rx_filter(params, 0);
12802 
12803 	/*
12804 	 * Re-open the gate between the BMAC and the NIG, after verifying the
12805 	 * gate to the BRB is closed, otherwise packets may arrive to the
12806 	 * firmware before driver had initialized it. The target is to achieve
12807 	 * minimum management protocol down time.
12808 	 */
12809 	if (!CHIP_IS_E3(bp))
12810 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12811 
12812 	if (CHIP_IS_E3(bp)) {
12813 		bnx2x_set_xmac_rxtx(params, 1);
12814 		bnx2x_set_umac_rxtx(params, 1);
12815 	}
12816 	/* Disable NIG drain */
12817 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12818 	return 0;
12819 }
12820 
12821 /****************************************************************************/
12822 /*				Common function				    */
12823 /****************************************************************************/
12824 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12825 				      u32 shmem_base_path[],
12826 				      u32 shmem2_base_path[], u8 phy_index,
12827 				      u32 chip_id)
12828 {
12829 	struct bnx2x_phy phy[PORT_MAX];
12830 	struct bnx2x_phy *phy_blk[PORT_MAX];
12831 	u16 val;
12832 	s8 port = 0;
12833 	s8 port_of_path = 0;
12834 	u32 swap_val, swap_override;
12835 	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
12836 	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
12837 	port ^= (swap_val && swap_override);
12838 	bnx2x_ext_phy_hw_reset(bp, port);
12839 	/* PART1 - Reset both phys */
12840 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12841 		u32 shmem_base, shmem2_base;
12842 		/* In E2, same phy is using for port0 of the two paths */
12843 		if (CHIP_IS_E1x(bp)) {
12844 			shmem_base = shmem_base_path[0];
12845 			shmem2_base = shmem2_base_path[0];
12846 			port_of_path = port;
12847 		} else {
12848 			shmem_base = shmem_base_path[port];
12849 			shmem2_base = shmem2_base_path[port];
12850 			port_of_path = 0;
12851 		}
12852 
12853 		/* Extract the ext phy address for the port */
12854 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12855 				       port_of_path, &phy[port]) !=
12856 		    0) {
12857 			DP(NETIF_MSG_LINK, "populate_phy failed\n");
12858 			return -EINVAL;
12859 		}
12860 		/* Disable attentions */
12861 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12862 			       port_of_path*4,
12863 			       (NIG_MASK_XGXS0_LINK_STATUS |
12864 				NIG_MASK_XGXS0_LINK10G |
12865 				NIG_MASK_SERDES0_LINK_STATUS |
12866 				NIG_MASK_MI_INT));
12867 
12868 		/* Need to take the phy out of low power mode in order
12869 		 * to write to access its registers
12870 		 */
12871 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12872 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12873 			       port);
12874 
12875 		/* Reset the phy */
12876 		bnx2x_cl45_write(bp, &phy[port],
12877 				 MDIO_PMA_DEVAD,
12878 				 MDIO_PMA_REG_CTRL,
12879 				 1<<15);
12880 	}
12881 
12882 	/* Add delay of 150ms after reset */
12883 	msleep(150);
12884 
12885 	if (phy[PORT_0].addr & 0x1) {
12886 		phy_blk[PORT_0] = &(phy[PORT_1]);
12887 		phy_blk[PORT_1] = &(phy[PORT_0]);
12888 	} else {
12889 		phy_blk[PORT_0] = &(phy[PORT_0]);
12890 		phy_blk[PORT_1] = &(phy[PORT_1]);
12891 	}
12892 
12893 	/* PART2 - Download firmware to both phys */
12894 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12895 		if (CHIP_IS_E1x(bp))
12896 			port_of_path = port;
12897 		else
12898 			port_of_path = 0;
12899 
12900 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12901 			   phy_blk[port]->addr);
12902 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12903 						      port_of_path))
12904 			return -EINVAL;
12905 
12906 		/* Only set bit 10 = 1 (Tx power down) */
12907 		bnx2x_cl45_read(bp, phy_blk[port],
12908 				MDIO_PMA_DEVAD,
12909 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12910 
12911 		/* Phase1 of TX_POWER_DOWN reset */
12912 		bnx2x_cl45_write(bp, phy_blk[port],
12913 				 MDIO_PMA_DEVAD,
12914 				 MDIO_PMA_REG_TX_POWER_DOWN,
12915 				 (val | 1<<10));
12916 	}
12917 
12918 	/* Toggle Transmitter: Power down and then up with 600ms delay
12919 	 * between
12920 	 */
12921 	msleep(600);
12922 
12923 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12924 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12925 		/* Phase2 of POWER_DOWN_RESET */
12926 		/* Release bit 10 (Release Tx power down) */
12927 		bnx2x_cl45_read(bp, phy_blk[port],
12928 				MDIO_PMA_DEVAD,
12929 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12930 
12931 		bnx2x_cl45_write(bp, phy_blk[port],
12932 				MDIO_PMA_DEVAD,
12933 				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12934 		usleep_range(15000, 30000);
12935 
12936 		/* Read modify write the SPI-ROM version select register */
12937 		bnx2x_cl45_read(bp, phy_blk[port],
12938 				MDIO_PMA_DEVAD,
12939 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12940 		bnx2x_cl45_write(bp, phy_blk[port],
12941 				 MDIO_PMA_DEVAD,
12942 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12943 
12944 		/* set GPIO2 back to LOW */
12945 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12946 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12947 	}
12948 	return 0;
12949 }
12950 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12951 				      u32 shmem_base_path[],
12952 				      u32 shmem2_base_path[], u8 phy_index,
12953 				      u32 chip_id)
12954 {
12955 	u32 val;
12956 	s8 port;
12957 	struct bnx2x_phy phy;
12958 	/* Use port1 because of the static port-swap */
12959 	/* Enable the module detection interrupt */
12960 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12961 	val |= ((1<<MISC_REGISTERS_GPIO_3)|
12962 		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12963 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12964 
12965 	bnx2x_ext_phy_hw_reset(bp, 0);
12966 	usleep_range(5000, 10000);
12967 	for (port = 0; port < PORT_MAX; port++) {
12968 		u32 shmem_base, shmem2_base;
12969 
12970 		/* In E2, same phy is using for port0 of the two paths */
12971 		if (CHIP_IS_E1x(bp)) {
12972 			shmem_base = shmem_base_path[0];
12973 			shmem2_base = shmem2_base_path[0];
12974 		} else {
12975 			shmem_base = shmem_base_path[port];
12976 			shmem2_base = shmem2_base_path[port];
12977 		}
12978 		/* Extract the ext phy address for the port */
12979 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12980 				       port, &phy) !=
12981 		    0) {
12982 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12983 			return -EINVAL;
12984 		}
12985 
12986 		/* Reset phy*/
12987 		bnx2x_cl45_write(bp, &phy,
12988 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12989 
12990 
12991 		/* Set fault module detected LED on */
12992 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
12993 			       MISC_REGISTERS_GPIO_HIGH,
12994 			       port);
12995 	}
12996 
12997 	return 0;
12998 }
12999 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13000 					 u8 *io_gpio, u8 *io_port)
13001 {
13002 
13003 	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13004 					  offsetof(struct shmem_region,
13005 				dev_info.port_hw_config[PORT_0].default_cfg));
13006 	switch (phy_gpio_reset) {
13007 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13008 		*io_gpio = 0;
13009 		*io_port = 0;
13010 		break;
13011 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13012 		*io_gpio = 1;
13013 		*io_port = 0;
13014 		break;
13015 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13016 		*io_gpio = 2;
13017 		*io_port = 0;
13018 		break;
13019 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13020 		*io_gpio = 3;
13021 		*io_port = 0;
13022 		break;
13023 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13024 		*io_gpio = 0;
13025 		*io_port = 1;
13026 		break;
13027 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13028 		*io_gpio = 1;
13029 		*io_port = 1;
13030 		break;
13031 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13032 		*io_gpio = 2;
13033 		*io_port = 1;
13034 		break;
13035 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13036 		*io_gpio = 3;
13037 		*io_port = 1;
13038 		break;
13039 	default:
13040 		/* Don't override the io_gpio and io_port */
13041 		break;
13042 	}
13043 }
13044 
13045 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13046 				      u32 shmem_base_path[],
13047 				      u32 shmem2_base_path[], u8 phy_index,
13048 				      u32 chip_id)
13049 {
13050 	s8 port, reset_gpio;
13051 	u32 swap_val, swap_override;
13052 	struct bnx2x_phy phy[PORT_MAX];
13053 	struct bnx2x_phy *phy_blk[PORT_MAX];
13054 	s8 port_of_path;
13055 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13056 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13057 
13058 	reset_gpio = MISC_REGISTERS_GPIO_1;
13059 	port = 1;
13060 
13061 	/* Retrieve the reset gpio/port which control the reset.
13062 	 * Default is GPIO1, PORT1
13063 	 */
13064 	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13065 				     (u8 *)&reset_gpio, (u8 *)&port);
13066 
13067 	/* Calculate the port based on port swap */
13068 	port ^= (swap_val && swap_override);
13069 
13070 	/* Initiate PHY reset*/
13071 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13072 		       port);
13073 	usleep_range(1000, 2000);
13074 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13075 		       port);
13076 
13077 	usleep_range(5000, 10000);
13078 
13079 	/* PART1 - Reset both phys */
13080 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13081 		u32 shmem_base, shmem2_base;
13082 
13083 		/* In E2, same phy is using for port0 of the two paths */
13084 		if (CHIP_IS_E1x(bp)) {
13085 			shmem_base = shmem_base_path[0];
13086 			shmem2_base = shmem2_base_path[0];
13087 			port_of_path = port;
13088 		} else {
13089 			shmem_base = shmem_base_path[port];
13090 			shmem2_base = shmem2_base_path[port];
13091 			port_of_path = 0;
13092 		}
13093 
13094 		/* Extract the ext phy address for the port */
13095 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13096 				       port_of_path, &phy[port]) !=
13097 				       0) {
13098 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13099 			return -EINVAL;
13100 		}
13101 		/* disable attentions */
13102 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13103 			       port_of_path*4,
13104 			       (NIG_MASK_XGXS0_LINK_STATUS |
13105 				NIG_MASK_XGXS0_LINK10G |
13106 				NIG_MASK_SERDES0_LINK_STATUS |
13107 				NIG_MASK_MI_INT));
13108 
13109 
13110 		/* Reset the phy */
13111 		bnx2x_cl45_write(bp, &phy[port],
13112 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13113 	}
13114 
13115 	/* Add delay of 150ms after reset */
13116 	msleep(150);
13117 	if (phy[PORT_0].addr & 0x1) {
13118 		phy_blk[PORT_0] = &(phy[PORT_1]);
13119 		phy_blk[PORT_1] = &(phy[PORT_0]);
13120 	} else {
13121 		phy_blk[PORT_0] = &(phy[PORT_0]);
13122 		phy_blk[PORT_1] = &(phy[PORT_1]);
13123 	}
13124 	/* PART2 - Download firmware to both phys */
13125 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13126 		if (CHIP_IS_E1x(bp))
13127 			port_of_path = port;
13128 		else
13129 			port_of_path = 0;
13130 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13131 			   phy_blk[port]->addr);
13132 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13133 						      port_of_path))
13134 			return -EINVAL;
13135 		/* Disable PHY transmitter output */
13136 		bnx2x_cl45_write(bp, phy_blk[port],
13137 				 MDIO_PMA_DEVAD,
13138 				 MDIO_PMA_REG_TX_DISABLE, 1);
13139 
13140 	}
13141 	return 0;
13142 }
13143 
13144 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13145 						u32 shmem_base_path[],
13146 						u32 shmem2_base_path[],
13147 						u8 phy_index,
13148 						u32 chip_id)
13149 {
13150 	u8 reset_gpios;
13151 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13152 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13153 	udelay(10);
13154 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13155 	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13156 		reset_gpios);
13157 	return 0;
13158 }
13159 
13160 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13161 				     u32 shmem2_base_path[], u8 phy_index,
13162 				     u32 ext_phy_type, u32 chip_id)
13163 {
13164 	int rc = 0;
13165 
13166 	switch (ext_phy_type) {
13167 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13168 		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13169 						shmem2_base_path,
13170 						phy_index, chip_id);
13171 		break;
13172 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13173 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13174 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13175 		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13176 						shmem2_base_path,
13177 						phy_index, chip_id);
13178 		break;
13179 
13180 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13181 		/* GPIO1 affects both ports, so there's need to pull
13182 		 * it for single port alone
13183 		 */
13184 		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13185 						shmem2_base_path,
13186 						phy_index, chip_id);
13187 		break;
13188 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13189 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13190 		/* GPIO3's are linked, and so both need to be toggled
13191 		 * to obtain required 2us pulse.
13192 		 */
13193 		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13194 						shmem2_base_path,
13195 						phy_index, chip_id);
13196 		break;
13197 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13198 		rc = -EINVAL;
13199 		break;
13200 	default:
13201 		DP(NETIF_MSG_LINK,
13202 			   "ext_phy 0x%x common init not required\n",
13203 			   ext_phy_type);
13204 		break;
13205 	}
13206 
13207 	if (rc)
13208 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
13209 				      " Port %d\n",
13210 			 0);
13211 	return rc;
13212 }
13213 
13214 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13215 			  u32 shmem2_base_path[], u32 chip_id)
13216 {
13217 	int rc = 0;
13218 	u32 phy_ver, val;
13219 	u8 phy_index = 0;
13220 	u32 ext_phy_type, ext_phy_config;
13221 
13222 	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13223 	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13224 	DP(NETIF_MSG_LINK, "Begin common phy init\n");
13225 	if (CHIP_IS_E3(bp)) {
13226 		/* Enable EPIO */
13227 		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13228 		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13229 	}
13230 	/* Check if common init was already done */
13231 	phy_ver = REG_RD(bp, shmem_base_path[0] +
13232 			 offsetof(struct shmem_region,
13233 				  port_mb[PORT_0].ext_phy_fw_version));
13234 	if (phy_ver) {
13235 		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13236 			       phy_ver);
13237 		return 0;
13238 	}
13239 
13240 	/* Read the ext_phy_type for arbitrary port(0) */
13241 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13242 	      phy_index++) {
13243 		ext_phy_config = bnx2x_get_ext_phy_config(bp,
13244 							  shmem_base_path[0],
13245 							  phy_index, 0);
13246 		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13247 		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13248 						shmem2_base_path,
13249 						phy_index, ext_phy_type,
13250 						chip_id);
13251 	}
13252 	return rc;
13253 }
13254 
13255 static void bnx2x_check_over_curr(struct link_params *params,
13256 				  struct link_vars *vars)
13257 {
13258 	struct bnx2x *bp = params->bp;
13259 	u32 cfg_pin;
13260 	u8 port = params->port;
13261 	u32 pin_val;
13262 
13263 	cfg_pin = (REG_RD(bp, params->shmem_base +
13264 			  offsetof(struct shmem_region,
13265 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13266 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13267 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13268 
13269 	/* Ignore check if no external input PIN available */
13270 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13271 		return;
13272 
13273 	if (!pin_val) {
13274 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13275 			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
13276 					    " been detected and the power to "
13277 					    "that SFP+ module has been removed"
13278 					    " to prevent failure of the card."
13279 					    " Please remove the SFP+ module and"
13280 					    " restart the system to clear this"
13281 					    " error.\n",
13282 			 params->port);
13283 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13284 			bnx2x_warpcore_power_module(params, 0);
13285 		}
13286 	} else
13287 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13288 }
13289 
13290 /* Returns 0 if no change occured since last check; 1 otherwise. */
13291 static u8 bnx2x_analyze_link_error(struct link_params *params,
13292 				    struct link_vars *vars, u32 status,
13293 				    u32 phy_flag, u32 link_flag, u8 notify)
13294 {
13295 	struct bnx2x *bp = params->bp;
13296 	/* Compare new value with previous value */
13297 	u8 led_mode;
13298 	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13299 
13300 	if ((status ^ old_status) == 0)
13301 		return 0;
13302 
13303 	/* If values differ */
13304 	switch (phy_flag) {
13305 	case PHY_HALF_OPEN_CONN_FLAG:
13306 		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13307 		break;
13308 	case PHY_SFP_TX_FAULT_FLAG:
13309 		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13310 		break;
13311 	default:
13312 		DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13313 	}
13314 	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13315 	   old_status, status);
13316 
13317 	/* Do not touch the link in case physical link down */
13318 	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13319 		return 1;
13320 
13321 	/* a. Update shmem->link_status accordingly
13322 	 * b. Update link_vars->link_up
13323 	 */
13324 	if (status) {
13325 		vars->link_status &= ~LINK_STATUS_LINK_UP;
13326 		vars->link_status |= link_flag;
13327 		vars->link_up = 0;
13328 		vars->phy_flags |= phy_flag;
13329 
13330 		/* activate nig drain */
13331 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13332 		/* Set LED mode to off since the PHY doesn't know about these
13333 		 * errors
13334 		 */
13335 		led_mode = LED_MODE_OFF;
13336 	} else {
13337 		vars->link_status |= LINK_STATUS_LINK_UP;
13338 		vars->link_status &= ~link_flag;
13339 		vars->link_up = 1;
13340 		vars->phy_flags &= ~phy_flag;
13341 		led_mode = LED_MODE_OPER;
13342 
13343 		/* Clear nig drain */
13344 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13345 	}
13346 	bnx2x_sync_link(params, vars);
13347 	/* Update the LED according to the link state */
13348 	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13349 
13350 	/* Update link status in the shared memory */
13351 	bnx2x_update_mng(params, vars->link_status);
13352 
13353 	/* C. Trigger General Attention */
13354 	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13355 	if (notify)
13356 		bnx2x_notify_link_changed(bp);
13357 
13358 	return 1;
13359 }
13360 
13361 /******************************************************************************
13362 * Description:
13363 *	This function checks for half opened connection change indication.
13364 *	When such change occurs, it calls the bnx2x_analyze_link_error
13365 *	to check if Remote Fault is set or cleared. Reception of remote fault
13366 *	status message in the MAC indicates that the peer's MAC has detected
13367 *	a fault, for example, due to break in the TX side of fiber.
13368 *
13369 ******************************************************************************/
13370 static int bnx2x_check_half_open_conn(struct link_params *params,
13371 				      struct link_vars *vars,
13372 				      u8 notify)
13373 {
13374 	struct bnx2x *bp = params->bp;
13375 	u32 lss_status = 0;
13376 	u32 mac_base;
13377 	/* In case link status is physically up @ 10G do */
13378 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13379 	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13380 		return 0;
13381 
13382 	if (CHIP_IS_E3(bp) &&
13383 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
13384 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13385 		/* Check E3 XMAC */
13386 		/* Note that link speed cannot be queried here, since it may be
13387 		 * zero while link is down. In case UMAC is active, LSS will
13388 		 * simply not be set
13389 		 */
13390 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13391 
13392 		/* Clear stick bits (Requires rising edge) */
13393 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13394 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13395 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13396 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13397 		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13398 			lss_status = 1;
13399 
13400 		bnx2x_analyze_link_error(params, vars, lss_status,
13401 					 PHY_HALF_OPEN_CONN_FLAG,
13402 					 LINK_STATUS_NONE, notify);
13403 	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13404 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13405 		/* Check E1X / E2 BMAC */
13406 		u32 lss_status_reg;
13407 		u32 wb_data[2];
13408 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13409 			NIG_REG_INGRESS_BMAC0_MEM;
13410 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13411 		if (CHIP_IS_E2(bp))
13412 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13413 		else
13414 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13415 
13416 		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13417 		lss_status = (wb_data[0] > 0);
13418 
13419 		bnx2x_analyze_link_error(params, vars, lss_status,
13420 					 PHY_HALF_OPEN_CONN_FLAG,
13421 					 LINK_STATUS_NONE, notify);
13422 	}
13423 	return 0;
13424 }
13425 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13426 					 struct link_params *params,
13427 					 struct link_vars *vars)
13428 {
13429 	struct bnx2x *bp = params->bp;
13430 	u32 cfg_pin, value = 0;
13431 	u8 led_change, port = params->port;
13432 
13433 	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13434 	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13435 			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13436 		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13437 		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13438 
13439 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13440 		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13441 		return;
13442 	}
13443 
13444 	led_change = bnx2x_analyze_link_error(params, vars, value,
13445 					      PHY_SFP_TX_FAULT_FLAG,
13446 					      LINK_STATUS_SFP_TX_FAULT, 1);
13447 
13448 	if (led_change) {
13449 		/* Change TX_Fault led, set link status for further syncs */
13450 		u8 led_mode;
13451 
13452 		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13453 			led_mode = MISC_REGISTERS_GPIO_HIGH;
13454 			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13455 		} else {
13456 			led_mode = MISC_REGISTERS_GPIO_LOW;
13457 			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13458 		}
13459 
13460 		/* If module is unapproved, led should be on regardless */
13461 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13462 			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13463 			   led_mode);
13464 			bnx2x_set_e3_module_fault_led(params, led_mode);
13465 		}
13466 	}
13467 }
13468 static void bnx2x_kr2_recovery(struct link_params *params,
13469 			       struct link_vars *vars,
13470 			       struct bnx2x_phy *phy)
13471 {
13472 	struct bnx2x *bp = params->bp;
13473 	DP(NETIF_MSG_LINK, "KR2 recovery\n");
13474 	bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13475 	bnx2x_warpcore_restart_AN_KR(phy, params);
13476 }
13477 
13478 static void bnx2x_check_kr2_wa(struct link_params *params,
13479 			       struct link_vars *vars,
13480 			       struct bnx2x_phy *phy)
13481 {
13482 	struct bnx2x *bp = params->bp;
13483 	u16 base_page, next_page, not_kr2_device, lane;
13484 	int sigdet;
13485 
13486 	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13487 	 * Since some switches tend to reinit the AN process and clear the
13488 	 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13489 	 * and recovered many times
13490 	 */
13491 	if (vars->check_kr2_recovery_cnt > 0) {
13492 		vars->check_kr2_recovery_cnt--;
13493 		return;
13494 	}
13495 
13496 	sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13497 	if (!sigdet) {
13498 		if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13499 			bnx2x_kr2_recovery(params, vars, phy);
13500 			DP(NETIF_MSG_LINK, "No sigdet\n");
13501 		}
13502 		return;
13503 	}
13504 
13505 	lane = bnx2x_get_warpcore_lane(phy, params);
13506 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13507 			  MDIO_AER_BLOCK_AER_REG, lane);
13508 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13509 			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13510 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13511 			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13512 	bnx2x_set_aer_mmd(params, phy);
13513 
13514 	/* CL73 has not begun yet */
13515 	if (base_page == 0) {
13516 		if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13517 			bnx2x_kr2_recovery(params, vars, phy);
13518 			DP(NETIF_MSG_LINK, "No BP\n");
13519 		}
13520 		return;
13521 	}
13522 
13523 	/* In case NP bit is not set in the BasePage, or it is set,
13524 	 * but only KX is advertised, declare this link partner as non-KR2
13525 	 * device.
13526 	 */
13527 	not_kr2_device = (((base_page & 0x8000) == 0) ||
13528 			  (((base_page & 0x8000) &&
13529 			    ((next_page & 0xe0) == 0x20))));
13530 
13531 	/* In case KR2 is already disabled, check if we need to re-enable it */
13532 	if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13533 		if (!not_kr2_device) {
13534 			DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13535 			   next_page);
13536 			bnx2x_kr2_recovery(params, vars, phy);
13537 		}
13538 		return;
13539 	}
13540 	/* KR2 is enabled, but not KR2 device */
13541 	if (not_kr2_device) {
13542 		/* Disable KR2 on both lanes */
13543 		DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13544 		bnx2x_disable_kr2(params, vars, phy);
13545 		/* Restart AN on leading lane */
13546 		bnx2x_warpcore_restart_AN_KR(phy, params);
13547 		return;
13548 	}
13549 }
13550 
13551 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13552 {
13553 	u16 phy_idx;
13554 	struct bnx2x *bp = params->bp;
13555 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13556 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13557 			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13558 			if (bnx2x_check_half_open_conn(params, vars, 1) !=
13559 			    0)
13560 				DP(NETIF_MSG_LINK, "Fault detection failed\n");
13561 			break;
13562 		}
13563 	}
13564 
13565 	if (CHIP_IS_E3(bp)) {
13566 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
13567 		bnx2x_set_aer_mmd(params, phy);
13568 		if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13569 		    (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
13570 			bnx2x_check_kr2_wa(params, vars, phy);
13571 		bnx2x_check_over_curr(params, vars);
13572 		if (vars->rx_tx_asic_rst)
13573 			bnx2x_warpcore_config_runtime(phy, params, vars);
13574 
13575 		if ((REG_RD(bp, params->shmem_base +
13576 			    offsetof(struct shmem_region, dev_info.
13577 				port_hw_config[params->port].default_cfg))
13578 		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13579 		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
13580 			if (bnx2x_is_sfp_module_plugged(phy, params)) {
13581 				bnx2x_sfp_tx_fault_detection(phy, params, vars);
13582 			} else if (vars->link_status &
13583 				LINK_STATUS_SFP_TX_FAULT) {
13584 				/* Clean trail, interrupt corrects the leds */
13585 				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13586 				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13587 				/* Update link status in the shared memory */
13588 				bnx2x_update_mng(params, vars->link_status);
13589 			}
13590 		}
13591 	}
13592 }
13593 
13594 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13595 			     u32 shmem_base,
13596 			     u32 shmem2_base,
13597 			     u8 port)
13598 {
13599 	u8 phy_index, fan_failure_det_req = 0;
13600 	struct bnx2x_phy phy;
13601 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13602 	      phy_index++) {
13603 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13604 				       port, &phy)
13605 		    != 0) {
13606 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13607 			return 0;
13608 		}
13609 		fan_failure_det_req |= (phy.flags &
13610 					FLAGS_FAN_FAILURE_DET_REQ);
13611 	}
13612 	return fan_failure_det_req;
13613 }
13614 
13615 void bnx2x_hw_reset_phy(struct link_params *params)
13616 {
13617 	u8 phy_index;
13618 	struct bnx2x *bp = params->bp;
13619 	bnx2x_update_mng(params, 0);
13620 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13621 		       (NIG_MASK_XGXS0_LINK_STATUS |
13622 			NIG_MASK_XGXS0_LINK10G |
13623 			NIG_MASK_SERDES0_LINK_STATUS |
13624 			NIG_MASK_MI_INT));
13625 
13626 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13627 	      phy_index++) {
13628 		if (params->phy[phy_index].hw_reset) {
13629 			params->phy[phy_index].hw_reset(
13630 				&params->phy[phy_index],
13631 				params);
13632 			params->phy[phy_index] = phy_null;
13633 		}
13634 	}
13635 }
13636 
13637 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13638 			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
13639 			    u8 port)
13640 {
13641 	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13642 	u32 val;
13643 	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13644 	if (CHIP_IS_E3(bp)) {
13645 		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13646 					      shmem_base,
13647 					      port,
13648 					      &gpio_num,
13649 					      &gpio_port) != 0)
13650 			return;
13651 	} else {
13652 		struct bnx2x_phy phy;
13653 		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13654 		      phy_index++) {
13655 			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13656 					       shmem2_base, port, &phy)
13657 			    != 0) {
13658 				DP(NETIF_MSG_LINK, "populate phy failed\n");
13659 				return;
13660 			}
13661 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13662 				gpio_num = MISC_REGISTERS_GPIO_3;
13663 				gpio_port = port;
13664 				break;
13665 			}
13666 		}
13667 	}
13668 
13669 	if (gpio_num == 0xff)
13670 		return;
13671 
13672 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
13673 	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13674 
13675 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13676 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13677 	gpio_port ^= (swap_val && swap_override);
13678 
13679 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13680 		(gpio_num + (gpio_port << 2));
13681 
13682 	sync_offset = shmem_base +
13683 		offsetof(struct shmem_region,
13684 			 dev_info.port_hw_config[port].aeu_int_mask);
13685 	REG_WR(bp, sync_offset, vars->aeu_int_mask);
13686 
13687 	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13688 		       gpio_num, gpio_port, vars->aeu_int_mask);
13689 
13690 	if (port == 0)
13691 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13692 	else
13693 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13694 
13695 	/* Open appropriate AEU for interrupts */
13696 	aeu_mask = REG_RD(bp, offset);
13697 	aeu_mask |= vars->aeu_int_mask;
13698 	REG_WR(bp, offset, aeu_mask);
13699 
13700 	/* Enable the GPIO to trigger interrupt */
13701 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13702 	val |= 1 << (gpio_num + (gpio_port << 2));
13703 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13704 }
13705