xref: /linux/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c (revision e0bf6c5ca2d3281f231c5f0c9bf145e9513644de)
1 /* Copyright 2008-2013 Broadcom Corporation
2  *
3  * Unless you and Broadcom execute a separate written software license
4  * agreement governing use of this software, this software is licensed to you
5  * under the terms of the GNU General Public License version 2, available
6  * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
7  *
8  * Notwithstanding the above, under no circumstances may you combine this
9  * software in any way with any other Broadcom software provided under a
10  * license other than the GPL, without Broadcom's express prior written
11  * consent.
12  *
13  * Written by Yaniv Rosner
14  *
15  */
16 
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18 
19 #include <linux/kernel.h>
20 #include <linux/errno.h>
21 #include <linux/pci.h>
22 #include <linux/netdevice.h>
23 #include <linux/delay.h>
24 #include <linux/ethtool.h>
25 #include <linux/mutex.h>
26 
27 #include "bnx2x.h"
28 #include "bnx2x_cmn.h"
29 
30 typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
31 					     struct link_params *params,
32 					     u8 dev_addr, u16 addr, u8 byte_cnt,
33 					     u8 *o_buf, u8);
34 /********************************************************/
35 #define ETH_HLEN			14
36 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
37 #define ETH_OVREHEAD			(ETH_HLEN + 8 + 8)
38 #define ETH_MIN_PACKET_SIZE		60
39 #define ETH_MAX_PACKET_SIZE		1500
40 #define ETH_MAX_JUMBO_PACKET_SIZE	9600
41 #define MDIO_ACCESS_TIMEOUT		1000
42 #define WC_LANE_MAX			4
43 #define I2C_SWITCH_WIDTH		2
44 #define I2C_BSC0			0
45 #define I2C_BSC1			1
46 #define I2C_WA_RETRY_CNT		3
47 #define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
48 #define MCPR_IMC_COMMAND_READ_OP	1
49 #define MCPR_IMC_COMMAND_WRITE_OP	2
50 
51 /* LED Blink rate that will achieve ~15.9Hz */
52 #define LED_BLINK_RATE_VAL_E3		354
53 #define LED_BLINK_RATE_VAL_E1X_E2	480
54 /***********************************************************/
55 /*			Shortcut definitions		   */
56 /***********************************************************/
57 
58 #define NIG_LATCH_BC_ENABLE_MI_INT 0
59 
60 #define NIG_STATUS_EMAC0_MI_INT \
61 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
62 #define NIG_STATUS_XGXS0_LINK10G \
63 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
64 #define NIG_STATUS_XGXS0_LINK_STATUS \
65 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
66 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
67 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
68 #define NIG_STATUS_SERDES0_LINK_STATUS \
69 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
70 #define NIG_MASK_MI_INT \
71 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
72 #define NIG_MASK_XGXS0_LINK10G \
73 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
74 #define NIG_MASK_XGXS0_LINK_STATUS \
75 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
76 #define NIG_MASK_SERDES0_LINK_STATUS \
77 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
78 
79 #define MDIO_AN_CL73_OR_37_COMPLETE \
80 		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
81 		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
82 
83 #define XGXS_RESET_BITS \
84 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
85 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
86 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
87 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
88 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
89 
90 #define SERDES_RESET_BITS \
91 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
92 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
93 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
94 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
95 
96 #define AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
97 #define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
98 #define AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
99 #define AUTONEG_PARALLEL \
100 				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
101 #define AUTONEG_SGMII_FIBER_AUTODET \
102 				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
103 #define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
104 
105 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
106 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
107 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
108 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
109 #define GP_STATUS_SPEED_MASK \
110 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
111 #define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
112 #define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
113 #define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
114 #define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
115 #define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
116 #define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
117 #define GP_STATUS_10G_HIG \
118 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
119 #define GP_STATUS_10G_CX4 \
120 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
121 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
122 #define GP_STATUS_10G_KX4 \
123 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
124 #define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
125 #define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
126 #define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
127 #define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
128 #define	GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
129 #define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
130 #define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
131 #define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
132 #define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
133 #define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
134 #define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
135 #define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
136 #define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
137 #define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
138 #define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
139 #define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
140 #define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
141 #define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
142 #define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
143 #define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
144 
145 #define LINK_UPDATE_MASK \
146 			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
147 			 LINK_STATUS_LINK_UP | \
148 			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
149 			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
150 			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
151 			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
152 			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
153 			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
154 			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
155 
156 #define SFP_EEPROM_CON_TYPE_ADDR		0x2
157 	#define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN	0x0
158 	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
159 	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
160 	#define SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22
161 
162 
163 #define SFP_EEPROM_10G_COMP_CODE_ADDR		0x3
164 	#define SFP_EEPROM_10G_COMP_CODE_SR_MASK	(1<<4)
165 	#define SFP_EEPROM_10G_COMP_CODE_LR_MASK	(1<<5)
166 	#define SFP_EEPROM_10G_COMP_CODE_LRM_MASK	(1<<6)
167 
168 #define SFP_EEPROM_1G_COMP_CODE_ADDR		0x6
169 	#define SFP_EEPROM_1G_COMP_CODE_SX	(1<<0)
170 	#define SFP_EEPROM_1G_COMP_CODE_LX	(1<<1)
171 	#define SFP_EEPROM_1G_COMP_CODE_CX	(1<<2)
172 	#define SFP_EEPROM_1G_COMP_CODE_BASE_T	(1<<3)
173 
174 #define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
175 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
176 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
177 
178 #define SFP_EEPROM_OPTIONS_ADDR			0x40
179 	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
180 #define SFP_EEPROM_OPTIONS_SIZE			2
181 
182 #define EDC_MODE_LINEAR				0x0022
183 #define EDC_MODE_LIMITING				0x0044
184 #define EDC_MODE_PASSIVE_DAC			0x0055
185 #define EDC_MODE_ACTIVE_DAC			0x0066
186 
187 /* ETS defines*/
188 #define DCBX_INVALID_COS					(0xFF)
189 
190 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
191 #define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
192 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
193 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
194 #define ETS_E3B0_PBF_MIN_W_VAL				(10000)
195 
196 #define MAX_PACKET_SIZE					(9700)
197 #define MAX_KR_LINK_RETRY				4
198 
199 /**********************************************************/
200 /*                     INTERFACE                          */
201 /**********************************************************/
202 
203 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
204 	bnx2x_cl45_write(_bp, _phy, \
205 		(_phy)->def_md_devad, \
206 		(_bank + (_addr & 0xf)), \
207 		_val)
208 
209 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
210 	bnx2x_cl45_read(_bp, _phy, \
211 		(_phy)->def_md_devad, \
212 		(_bank + (_addr & 0xf)), \
213 		_val)
214 
215 static int bnx2x_check_half_open_conn(struct link_params *params,
216 				      struct link_vars *vars, u8 notify);
217 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
218 				      struct link_params *params);
219 
220 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
221 {
222 	u32 val = REG_RD(bp, reg);
223 
224 	val |= bits;
225 	REG_WR(bp, reg, val);
226 	return val;
227 }
228 
229 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
230 {
231 	u32 val = REG_RD(bp, reg);
232 
233 	val &= ~bits;
234 	REG_WR(bp, reg, val);
235 	return val;
236 }
237 
238 /*
239  * bnx2x_check_lfa - This function checks if link reinitialization is required,
240  *                   or link flap can be avoided.
241  *
242  * @params:	link parameters
243  * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
244  *         condition code.
245  */
246 static int bnx2x_check_lfa(struct link_params *params)
247 {
248 	u32 link_status, cfg_idx, lfa_mask, cfg_size;
249 	u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
250 	u32 saved_val, req_val, eee_status;
251 	struct bnx2x *bp = params->bp;
252 
253 	additional_config =
254 		REG_RD(bp, params->lfa_base +
255 			   offsetof(struct shmem_lfa, additional_config));
256 
257 	/* NOTE: must be first condition checked -
258 	* to verify DCC bit is cleared in any case!
259 	*/
260 	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
261 		DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
262 		REG_WR(bp, params->lfa_base +
263 			   offsetof(struct shmem_lfa, additional_config),
264 		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
265 		return LFA_DCC_LFA_DISABLED;
266 	}
267 
268 	/* Verify that link is up */
269 	link_status = REG_RD(bp, params->shmem_base +
270 			     offsetof(struct shmem_region,
271 				      port_mb[params->port].link_status));
272 	if (!(link_status & LINK_STATUS_LINK_UP))
273 		return LFA_LINK_DOWN;
274 
275 	/* if loaded after BOOT from SAN, don't flap the link in any case and
276 	 * rely on link set by preboot driver
277 	 */
278 	if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
279 		return 0;
280 
281 	/* Verify that loopback mode is not set */
282 	if (params->loopback_mode)
283 		return LFA_LOOPBACK_ENABLED;
284 
285 	/* Verify that MFW supports LFA */
286 	if (!params->lfa_base)
287 		return LFA_MFW_IS_TOO_OLD;
288 
289 	if (params->num_phys == 3) {
290 		cfg_size = 2;
291 		lfa_mask = 0xffffffff;
292 	} else {
293 		cfg_size = 1;
294 		lfa_mask = 0xffff;
295 	}
296 
297 	/* Compare Duplex */
298 	saved_val = REG_RD(bp, params->lfa_base +
299 			   offsetof(struct shmem_lfa, req_duplex));
300 	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
301 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
302 		DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
303 			       (saved_val & lfa_mask), (req_val & lfa_mask));
304 		return LFA_DUPLEX_MISMATCH;
305 	}
306 	/* Compare Flow Control */
307 	saved_val = REG_RD(bp, params->lfa_base +
308 			   offsetof(struct shmem_lfa, req_flow_ctrl));
309 	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
310 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
311 		DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
312 			       (saved_val & lfa_mask), (req_val & lfa_mask));
313 		return LFA_FLOW_CTRL_MISMATCH;
314 	}
315 	/* Compare Link Speed */
316 	saved_val = REG_RD(bp, params->lfa_base +
317 			   offsetof(struct shmem_lfa, req_line_speed));
318 	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
319 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
320 		DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
321 			       (saved_val & lfa_mask), (req_val & lfa_mask));
322 		return LFA_LINK_SPEED_MISMATCH;
323 	}
324 
325 	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
326 		cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
327 					    offsetof(struct shmem_lfa,
328 						     speed_cap_mask[cfg_idx]));
329 
330 		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
331 			DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
332 				       cur_speed_cap_mask,
333 				       params->speed_cap_mask[cfg_idx]);
334 			return LFA_SPEED_CAP_MISMATCH;
335 		}
336 	}
337 
338 	cur_req_fc_auto_adv =
339 		REG_RD(bp, params->lfa_base +
340 		       offsetof(struct shmem_lfa, additional_config)) &
341 		REQ_FC_AUTO_ADV_MASK;
342 
343 	if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
344 		DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
345 			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
346 		return LFA_FLOW_CTRL_MISMATCH;
347 	}
348 
349 	eee_status = REG_RD(bp, params->shmem2_base +
350 			    offsetof(struct shmem2_region,
351 				     eee_status[params->port]));
352 
353 	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
354 	     (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
355 	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
356 	     (params->eee_mode & EEE_MODE_ADV_LPI))) {
357 		DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
358 			       eee_status);
359 		return LFA_EEE_MISMATCH;
360 	}
361 
362 	/* LFA conditions are met */
363 	return 0;
364 }
365 /******************************************************************/
366 /*			EPIO/GPIO section			  */
367 /******************************************************************/
368 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
369 {
370 	u32 epio_mask, gp_oenable;
371 	*en = 0;
372 	/* Sanity check */
373 	if (epio_pin > 31) {
374 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
375 		return;
376 	}
377 
378 	epio_mask = 1 << epio_pin;
379 	/* Set this EPIO to output */
380 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
381 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
382 
383 	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
384 }
385 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
386 {
387 	u32 epio_mask, gp_output, gp_oenable;
388 
389 	/* Sanity check */
390 	if (epio_pin > 31) {
391 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
392 		return;
393 	}
394 	DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
395 	epio_mask = 1 << epio_pin;
396 	/* Set this EPIO to output */
397 	gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
398 	if (en)
399 		gp_output |= epio_mask;
400 	else
401 		gp_output &= ~epio_mask;
402 
403 	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
404 
405 	/* Set the value for this EPIO */
406 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
407 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
408 }
409 
410 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
411 {
412 	if (pin_cfg == PIN_CFG_NA)
413 		return;
414 	if (pin_cfg >= PIN_CFG_EPIO0) {
415 		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
416 	} else {
417 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
418 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
419 		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
420 	}
421 }
422 
423 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
424 {
425 	if (pin_cfg == PIN_CFG_NA)
426 		return -EINVAL;
427 	if (pin_cfg >= PIN_CFG_EPIO0) {
428 		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
429 	} else {
430 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
431 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
432 		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
433 	}
434 	return 0;
435 
436 }
437 /******************************************************************/
438 /*				ETS section			  */
439 /******************************************************************/
440 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
441 {
442 	/* ETS disabled configuration*/
443 	struct bnx2x *bp = params->bp;
444 
445 	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
446 
447 	/* mapping between entry  priority to client number (0,1,2 -debug and
448 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
449 	 * 3bits client num.
450 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
451 	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
452 	 */
453 
454 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
455 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
456 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
457 	 * COS0 entry, 4 - COS1 entry.
458 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
459 	 * bit4   bit3	  bit2   bit1	  bit0
460 	 * MCP and debug are strict
461 	 */
462 
463 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
464 	/* defines which entries (clients) are subjected to WFQ arbitration */
465 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
466 	/* For strict priority entries defines the number of consecutive
467 	 * slots for the highest priority.
468 	 */
469 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
470 	/* mapping between the CREDIT_WEIGHT registers and actual client
471 	 * numbers
472 	 */
473 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
474 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
475 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
476 
477 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
478 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
479 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
480 	/* ETS mode disable */
481 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
482 	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
483 	 * weight for COS0/COS1.
484 	 */
485 	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
486 	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
487 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
488 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
489 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
490 	/* Defines the number of consecutive slots for the strict priority */
491 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
492 }
493 /******************************************************************************
494 * Description:
495 *	Getting min_w_val will be set according to line speed .
496 *.
497 ******************************************************************************/
498 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
499 {
500 	u32 min_w_val = 0;
501 	/* Calculate min_w_val.*/
502 	if (vars->link_up) {
503 		if (vars->line_speed == SPEED_20000)
504 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
505 		else
506 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
507 	} else
508 		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
509 	/* If the link isn't up (static configuration for example ) The
510 	 * link will be according to 20GBPS.
511 	 */
512 	return min_w_val;
513 }
514 /******************************************************************************
515 * Description:
516 *	Getting credit upper bound form min_w_val.
517 *.
518 ******************************************************************************/
519 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
520 {
521 	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
522 						MAX_PACKET_SIZE);
523 	return credit_upper_bound;
524 }
525 /******************************************************************************
526 * Description:
527 *	Set credit upper bound for NIG.
528 *.
529 ******************************************************************************/
530 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
531 	const struct link_params *params,
532 	const u32 min_w_val)
533 {
534 	struct bnx2x *bp = params->bp;
535 	const u8 port = params->port;
536 	const u32 credit_upper_bound =
537 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
538 
539 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
540 		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
541 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
542 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
543 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
544 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
545 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
546 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
547 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
548 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
549 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
550 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
551 
552 	if (!port) {
553 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
554 			credit_upper_bound);
555 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
556 			credit_upper_bound);
557 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
558 			credit_upper_bound);
559 	}
560 }
561 /******************************************************************************
562 * Description:
563 *	Will return the NIG ETS registers to init values.Except
564 *	credit_upper_bound.
565 *	That isn't used in this configuration (No WFQ is enabled) and will be
566 *	configured acording to spec
567 *.
568 ******************************************************************************/
569 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
570 					const struct link_vars *vars)
571 {
572 	struct bnx2x *bp = params->bp;
573 	const u8 port = params->port;
574 	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
575 	/* Mapping between entry  priority to client number (0,1,2 -debug and
576 	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
577 	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
578 	 * reset value or init tool
579 	 */
580 	if (port) {
581 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
582 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
583 	} else {
584 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
585 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
586 	}
587 	/* For strict priority entries defines the number of consecutive
588 	 * slots for the highest priority.
589 	 */
590 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
591 		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
592 	/* Mapping between the CREDIT_WEIGHT registers and actual client
593 	 * numbers
594 	 */
595 	if (port) {
596 		/*Port 1 has 6 COS*/
597 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
598 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
599 	} else {
600 		/*Port 0 has 9 COS*/
601 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
602 		       0x43210876);
603 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
604 	}
605 
606 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
607 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
608 	 * COS0 entry, 4 - COS1 entry.
609 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
610 	 * bit4   bit3	  bit2   bit1	  bit0
611 	 * MCP and debug are strict
612 	 */
613 	if (port)
614 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
615 	else
616 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
617 	/* defines which entries (clients) are subjected to WFQ arbitration */
618 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
619 		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
620 
621 	/* Please notice the register address are note continuous and a
622 	 * for here is note appropriate.In 2 port mode port0 only COS0-5
623 	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
624 	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
625 	 * are never used for WFQ
626 	 */
627 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
628 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
629 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
630 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
631 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
632 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
633 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
634 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
635 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
636 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
637 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
638 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
639 	if (!port) {
640 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
641 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
642 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
643 	}
644 
645 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
646 }
647 /******************************************************************************
648 * Description:
649 *	Set credit upper bound for PBF.
650 *.
651 ******************************************************************************/
652 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
653 	const struct link_params *params,
654 	const u32 min_w_val)
655 {
656 	struct bnx2x *bp = params->bp;
657 	const u32 credit_upper_bound =
658 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
659 	const u8 port = params->port;
660 	u32 base_upper_bound = 0;
661 	u8 max_cos = 0;
662 	u8 i = 0;
663 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
664 	 * port mode port1 has COS0-2 that can be used for WFQ.
665 	 */
666 	if (!port) {
667 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
668 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
669 	} else {
670 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
671 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
672 	}
673 
674 	for (i = 0; i < max_cos; i++)
675 		REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
676 }
677 
678 /******************************************************************************
679 * Description:
680 *	Will return the PBF ETS registers to init values.Except
681 *	credit_upper_bound.
682 *	That isn't used in this configuration (No WFQ is enabled) and will be
683 *	configured acording to spec
684 *.
685 ******************************************************************************/
686 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
687 {
688 	struct bnx2x *bp = params->bp;
689 	const u8 port = params->port;
690 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
691 	u8 i = 0;
692 	u32 base_weight = 0;
693 	u8 max_cos = 0;
694 
695 	/* Mapping between entry  priority to client number 0 - COS0
696 	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
697 	 * TODO_ETS - Should be done by reset value or init tool
698 	 */
699 	if (port)
700 		/*  0x688 (|011|0 10|00 1|000) */
701 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
702 	else
703 		/*  (10 1|100 |011|0 10|00 1|000) */
704 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
705 
706 	/* TODO_ETS - Should be done by reset value or init tool */
707 	if (port)
708 		/* 0x688 (|011|0 10|00 1|000)*/
709 		REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
710 	else
711 	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
712 	REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
713 
714 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
715 		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
716 
717 
718 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
719 		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
720 
721 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
722 		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
723 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
724 	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
725 	 */
726 	if (!port) {
727 		base_weight = PBF_REG_COS0_WEIGHT_P0;
728 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
729 	} else {
730 		base_weight = PBF_REG_COS0_WEIGHT_P1;
731 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
732 	}
733 
734 	for (i = 0; i < max_cos; i++)
735 		REG_WR(bp, base_weight + (0x4 * i), 0);
736 
737 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
738 }
739 /******************************************************************************
740 * Description:
741 *	E3B0 disable will return basicly the values to init values.
742 *.
743 ******************************************************************************/
744 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
745 				   const struct link_vars *vars)
746 {
747 	struct bnx2x *bp = params->bp;
748 
749 	if (!CHIP_IS_E3B0(bp)) {
750 		DP(NETIF_MSG_LINK,
751 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
752 		return -EINVAL;
753 	}
754 
755 	bnx2x_ets_e3b0_nig_disabled(params, vars);
756 
757 	bnx2x_ets_e3b0_pbf_disabled(params);
758 
759 	return 0;
760 }
761 
762 /******************************************************************************
763 * Description:
764 *	Disable will return basicly the values to init values.
765 *
766 ******************************************************************************/
767 int bnx2x_ets_disabled(struct link_params *params,
768 		      struct link_vars *vars)
769 {
770 	struct bnx2x *bp = params->bp;
771 	int bnx2x_status = 0;
772 
773 	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
774 		bnx2x_ets_e2e3a0_disabled(params);
775 	else if (CHIP_IS_E3B0(bp))
776 		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
777 	else {
778 		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
779 		return -EINVAL;
780 	}
781 
782 	return bnx2x_status;
783 }
784 
785 /******************************************************************************
786 * Description
787 *	Set the COS mappimg to SP and BW until this point all the COS are not
788 *	set as SP or BW.
789 ******************************************************************************/
790 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
791 				  const struct bnx2x_ets_params *ets_params,
792 				  const u8 cos_sp_bitmap,
793 				  const u8 cos_bw_bitmap)
794 {
795 	struct bnx2x *bp = params->bp;
796 	const u8 port = params->port;
797 	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
798 	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
799 	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
800 	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
801 
802 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
803 	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
804 
805 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
806 	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
807 
808 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
809 	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
810 	       nig_cli_subject2wfq_bitmap);
811 
812 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
813 	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
814 	       pbf_cli_subject2wfq_bitmap);
815 
816 	return 0;
817 }
818 
819 /******************************************************************************
820 * Description:
821 *	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
822 *	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
823 ******************************************************************************/
824 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
825 				     const u8 cos_entry,
826 				     const u32 min_w_val_nig,
827 				     const u32 min_w_val_pbf,
828 				     const u16 total_bw,
829 				     const u8 bw,
830 				     const u8 port)
831 {
832 	u32 nig_reg_adress_crd_weight = 0;
833 	u32 pbf_reg_adress_crd_weight = 0;
834 	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
835 	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
836 	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
837 
838 	switch (cos_entry) {
839 	case 0:
840 	    nig_reg_adress_crd_weight =
841 		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
842 		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
843 	     pbf_reg_adress_crd_weight = (port) ?
844 		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
845 	     break;
846 	case 1:
847 	     nig_reg_adress_crd_weight = (port) ?
848 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
849 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
850 	     pbf_reg_adress_crd_weight = (port) ?
851 		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
852 	     break;
853 	case 2:
854 	     nig_reg_adress_crd_weight = (port) ?
855 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
856 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
857 
858 		 pbf_reg_adress_crd_weight = (port) ?
859 		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
860 	     break;
861 	case 3:
862 	    if (port)
863 			return -EINVAL;
864 	     nig_reg_adress_crd_weight =
865 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
866 	     pbf_reg_adress_crd_weight =
867 		 PBF_REG_COS3_WEIGHT_P0;
868 	     break;
869 	case 4:
870 	    if (port)
871 		return -EINVAL;
872 	     nig_reg_adress_crd_weight =
873 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
874 	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
875 	     break;
876 	case 5:
877 	    if (port)
878 		return -EINVAL;
879 	     nig_reg_adress_crd_weight =
880 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
881 	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
882 	     break;
883 	}
884 
885 	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
886 
887 	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
888 
889 	return 0;
890 }
891 /******************************************************************************
892 * Description:
893 *	Calculate the total BW.A value of 0 isn't legal.
894 *
895 ******************************************************************************/
896 static int bnx2x_ets_e3b0_get_total_bw(
897 	const struct link_params *params,
898 	struct bnx2x_ets_params *ets_params,
899 	u16 *total_bw)
900 {
901 	struct bnx2x *bp = params->bp;
902 	u8 cos_idx = 0;
903 	u8 is_bw_cos_exist = 0;
904 
905 	*total_bw = 0 ;
906 	/* Calculate total BW requested */
907 	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
908 		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
909 			is_bw_cos_exist = 1;
910 			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
911 				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
912 						   "was set to 0\n");
913 				/* This is to prevent a state when ramrods
914 				 * can't be sent
915 				 */
916 				ets_params->cos[cos_idx].params.bw_params.bw
917 					 = 1;
918 			}
919 			*total_bw +=
920 				ets_params->cos[cos_idx].params.bw_params.bw;
921 		}
922 	}
923 
924 	/* Check total BW is valid */
925 	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
926 		if (*total_bw == 0) {
927 			DP(NETIF_MSG_LINK,
928 			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
929 			return -EINVAL;
930 		}
931 		DP(NETIF_MSG_LINK,
932 		   "bnx2x_ets_E3B0_config total BW should be 100\n");
933 		/* We can handle a case whre the BW isn't 100 this can happen
934 		 * if the TC are joined.
935 		 */
936 	}
937 	return 0;
938 }
939 
940 /******************************************************************************
941 * Description:
942 *	Invalidate all the sp_pri_to_cos.
943 *
944 ******************************************************************************/
945 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
946 {
947 	u8 pri = 0;
948 	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
949 		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
950 }
951 /******************************************************************************
952 * Description:
953 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
954 *	according to sp_pri_to_cos.
955 *
956 ******************************************************************************/
957 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
958 					    u8 *sp_pri_to_cos, const u8 pri,
959 					    const u8 cos_entry)
960 {
961 	struct bnx2x *bp = params->bp;
962 	const u8 port = params->port;
963 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
964 		DCBX_E3B0_MAX_NUM_COS_PORT0;
965 
966 	if (pri >= max_num_of_cos) {
967 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
968 		   "parameter Illegal strict priority\n");
969 	    return -EINVAL;
970 	}
971 
972 	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
973 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
974 				   "parameter There can't be two COS's with "
975 				   "the same strict pri\n");
976 		return -EINVAL;
977 	}
978 
979 	sp_pri_to_cos[pri] = cos_entry;
980 	return 0;
981 
982 }
983 
984 /******************************************************************************
985 * Description:
986 *	Returns the correct value according to COS and priority in
987 *	the sp_pri_cli register.
988 *
989 ******************************************************************************/
990 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
991 					 const u8 pri_set,
992 					 const u8 pri_offset,
993 					 const u8 entry_size)
994 {
995 	u64 pri_cli_nig = 0;
996 	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
997 						    (pri_set + pri_offset));
998 
999 	return pri_cli_nig;
1000 }
1001 /******************************************************************************
1002 * Description:
1003 *	Returns the correct value according to COS and priority in the
1004 *	sp_pri_cli register for NIG.
1005 *
1006 ******************************************************************************/
1007 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1008 {
1009 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1010 	const u8 nig_cos_offset = 3;
1011 	const u8 nig_pri_offset = 3;
1012 
1013 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1014 		nig_pri_offset, 4);
1015 
1016 }
1017 /******************************************************************************
1018 * Description:
1019 *	Returns the correct value according to COS and priority in the
1020 *	sp_pri_cli register for PBF.
1021 *
1022 ******************************************************************************/
1023 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1024 {
1025 	const u8 pbf_cos_offset = 0;
1026 	const u8 pbf_pri_offset = 0;
1027 
1028 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1029 		pbf_pri_offset, 3);
1030 
1031 }
1032 
1033 /******************************************************************************
1034 * Description:
1035 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1036 *	according to sp_pri_to_cos.(which COS has higher priority)
1037 *
1038 ******************************************************************************/
1039 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1040 					     u8 *sp_pri_to_cos)
1041 {
1042 	struct bnx2x *bp = params->bp;
1043 	u8 i = 0;
1044 	const u8 port = params->port;
1045 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1046 	u64 pri_cli_nig = 0x210;
1047 	u32 pri_cli_pbf = 0x0;
1048 	u8 pri_set = 0;
1049 	u8 pri_bitmask = 0;
1050 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1051 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1052 
1053 	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1054 
1055 	/* Set all the strict priority first */
1056 	for (i = 0; i < max_num_of_cos; i++) {
1057 		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1058 			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1059 				DP(NETIF_MSG_LINK,
1060 					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1061 					   "invalid cos entry\n");
1062 				return -EINVAL;
1063 			}
1064 
1065 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1066 			    sp_pri_to_cos[i], pri_set);
1067 
1068 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1069 			    sp_pri_to_cos[i], pri_set);
1070 			pri_bitmask = 1 << sp_pri_to_cos[i];
1071 			/* COS is used remove it from bitmap.*/
1072 			if (!(pri_bitmask & cos_bit_to_set)) {
1073 				DP(NETIF_MSG_LINK,
1074 					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1075 					"invalid There can't be two COS's with"
1076 					" the same strict pri\n");
1077 				return -EINVAL;
1078 			}
1079 			cos_bit_to_set &= ~pri_bitmask;
1080 			pri_set++;
1081 		}
1082 	}
1083 
1084 	/* Set all the Non strict priority i= COS*/
1085 	for (i = 0; i < max_num_of_cos; i++) {
1086 		pri_bitmask = 1 << i;
1087 		/* Check if COS was already used for SP */
1088 		if (pri_bitmask & cos_bit_to_set) {
1089 			/* COS wasn't used for SP */
1090 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1091 			    i, pri_set);
1092 
1093 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1094 			    i, pri_set);
1095 			/* COS is used remove it from bitmap.*/
1096 			cos_bit_to_set &= ~pri_bitmask;
1097 			pri_set++;
1098 		}
1099 	}
1100 
1101 	if (pri_set != max_num_of_cos) {
1102 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1103 				   "entries were set\n");
1104 		return -EINVAL;
1105 	}
1106 
1107 	if (port) {
1108 		/* Only 6 usable clients*/
1109 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1110 		       (u32)pri_cli_nig);
1111 
1112 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1113 	} else {
1114 		/* Only 9 usable clients*/
1115 		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1116 		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1117 
1118 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1119 		       pri_cli_nig_lsb);
1120 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1121 		       pri_cli_nig_msb);
1122 
1123 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1124 	}
1125 	return 0;
1126 }
1127 
1128 /******************************************************************************
1129 * Description:
1130 *	Configure the COS to ETS according to BW and SP settings.
1131 ******************************************************************************/
1132 int bnx2x_ets_e3b0_config(const struct link_params *params,
1133 			 const struct link_vars *vars,
1134 			 struct bnx2x_ets_params *ets_params)
1135 {
1136 	struct bnx2x *bp = params->bp;
1137 	int bnx2x_status = 0;
1138 	const u8 port = params->port;
1139 	u16 total_bw = 0;
1140 	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1141 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1142 	u8 cos_bw_bitmap = 0;
1143 	u8 cos_sp_bitmap = 0;
1144 	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1145 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1146 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1147 	u8 cos_entry = 0;
1148 
1149 	if (!CHIP_IS_E3B0(bp)) {
1150 		DP(NETIF_MSG_LINK,
1151 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1152 		return -EINVAL;
1153 	}
1154 
1155 	if ((ets_params->num_of_cos > max_num_of_cos)) {
1156 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1157 				   "isn't supported\n");
1158 		return -EINVAL;
1159 	}
1160 
1161 	/* Prepare sp strict priority parameters*/
1162 	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1163 
1164 	/* Prepare BW parameters*/
1165 	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1166 						   &total_bw);
1167 	if (bnx2x_status) {
1168 		DP(NETIF_MSG_LINK,
1169 		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
1170 		return -EINVAL;
1171 	}
1172 
1173 	/* Upper bound is set according to current link speed (min_w_val
1174 	 * should be the same for upper bound and COS credit val).
1175 	 */
1176 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1177 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1178 
1179 
1180 	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1181 		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1182 			cos_bw_bitmap |= (1 << cos_entry);
1183 			/* The function also sets the BW in HW(not the mappin
1184 			 * yet)
1185 			 */
1186 			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1187 				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1188 				total_bw,
1189 				ets_params->cos[cos_entry].params.bw_params.bw,
1190 				 port);
1191 		} else if (bnx2x_cos_state_strict ==
1192 			ets_params->cos[cos_entry].state){
1193 			cos_sp_bitmap |= (1 << cos_entry);
1194 
1195 			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1196 				params,
1197 				sp_pri_to_cos,
1198 				ets_params->cos[cos_entry].params.sp_params.pri,
1199 				cos_entry);
1200 
1201 		} else {
1202 			DP(NETIF_MSG_LINK,
1203 			   "bnx2x_ets_e3b0_config cos state not valid\n");
1204 			return -EINVAL;
1205 		}
1206 		if (bnx2x_status) {
1207 			DP(NETIF_MSG_LINK,
1208 			   "bnx2x_ets_e3b0_config set cos bw failed\n");
1209 			return bnx2x_status;
1210 		}
1211 	}
1212 
1213 	/* Set SP register (which COS has higher priority) */
1214 	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1215 							 sp_pri_to_cos);
1216 
1217 	if (bnx2x_status) {
1218 		DP(NETIF_MSG_LINK,
1219 		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1220 		return bnx2x_status;
1221 	}
1222 
1223 	/* Set client mapping of BW and strict */
1224 	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1225 					      cos_sp_bitmap,
1226 					      cos_bw_bitmap);
1227 
1228 	if (bnx2x_status) {
1229 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1230 		return bnx2x_status;
1231 	}
1232 	return 0;
1233 }
1234 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1235 {
1236 	/* ETS disabled configuration */
1237 	struct bnx2x *bp = params->bp;
1238 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1239 	/* Defines which entries (clients) are subjected to WFQ arbitration
1240 	 * COS0 0x8
1241 	 * COS1 0x10
1242 	 */
1243 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1244 	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1245 	 * client numbers (WEIGHT_0 does not actually have to represent
1246 	 * client 0)
1247 	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1248 	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1249 	 */
1250 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1251 
1252 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1253 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1254 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1255 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1256 
1257 	/* ETS mode enabled*/
1258 	REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1259 
1260 	/* Defines the number of consecutive slots for the strict priority */
1261 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1262 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1263 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1264 	 * entry, 4 - COS1 entry.
1265 	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1266 	 * bit4   bit3	  bit2     bit1	   bit0
1267 	 * MCP and debug are strict
1268 	 */
1269 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1270 
1271 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1272 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1273 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1274 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1275 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1276 }
1277 
1278 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1279 			const u32 cos1_bw)
1280 {
1281 	/* ETS disabled configuration*/
1282 	struct bnx2x *bp = params->bp;
1283 	const u32 total_bw = cos0_bw + cos1_bw;
1284 	u32 cos0_credit_weight = 0;
1285 	u32 cos1_credit_weight = 0;
1286 
1287 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1288 
1289 	if ((!total_bw) ||
1290 	    (!cos0_bw) ||
1291 	    (!cos1_bw)) {
1292 		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1293 		return;
1294 	}
1295 
1296 	cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1297 		total_bw;
1298 	cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1299 		total_bw;
1300 
1301 	bnx2x_ets_bw_limit_common(params);
1302 
1303 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1304 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1305 
1306 	REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1307 	REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1308 }
1309 
1310 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1311 {
1312 	/* ETS disabled configuration*/
1313 	struct bnx2x *bp = params->bp;
1314 	u32 val	= 0;
1315 
1316 	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1317 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1318 	 * as strict.  Bits 0,1,2 - debug and management entries,
1319 	 * 3 - COS0 entry, 4 - COS1 entry.
1320 	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1321 	 *  bit4   bit3	  bit2      bit1     bit0
1322 	 * MCP and debug are strict
1323 	 */
1324 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1325 	/* For strict priority entries defines the number of consecutive slots
1326 	 * for the highest priority.
1327 	 */
1328 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1329 	/* ETS mode disable */
1330 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1331 	/* Defines the number of consecutive slots for the strict priority */
1332 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1333 
1334 	/* Defines the number of consecutive slots for the strict priority */
1335 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1336 
1337 	/* Mapping between entry  priority to client number (0,1,2 -debug and
1338 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1339 	 * 3bits client num.
1340 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1341 	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1342 	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1343 	 */
1344 	val = (!strict_cos) ? 0x2318 : 0x22E0;
1345 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1346 
1347 	return 0;
1348 }
1349 
1350 /******************************************************************/
1351 /*			PFC section				  */
1352 /******************************************************************/
1353 static void bnx2x_update_pfc_xmac(struct link_params *params,
1354 				  struct link_vars *vars,
1355 				  u8 is_lb)
1356 {
1357 	struct bnx2x *bp = params->bp;
1358 	u32 xmac_base;
1359 	u32 pause_val, pfc0_val, pfc1_val;
1360 
1361 	/* XMAC base adrr */
1362 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1363 
1364 	/* Initialize pause and pfc registers */
1365 	pause_val = 0x18000;
1366 	pfc0_val = 0xFFFF8000;
1367 	pfc1_val = 0x2;
1368 
1369 	/* No PFC support */
1370 	if (!(params->feature_config_flags &
1371 	      FEATURE_CONFIG_PFC_ENABLED)) {
1372 
1373 		/* RX flow control - Process pause frame in receive direction
1374 		 */
1375 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1376 			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1377 
1378 		/* TX flow control - Send pause packet when buffer is full */
1379 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1380 			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1381 	} else {/* PFC support */
1382 		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1383 			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1384 			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1385 			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1386 			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1387 		/* Write pause and PFC registers */
1388 		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1389 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1390 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1391 		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1392 
1393 	}
1394 
1395 	/* Write pause and PFC registers */
1396 	REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1397 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1398 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1399 
1400 
1401 	/* Set MAC address for source TX Pause/PFC frames */
1402 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1403 	       ((params->mac_addr[2] << 24) |
1404 		(params->mac_addr[3] << 16) |
1405 		(params->mac_addr[4] << 8) |
1406 		(params->mac_addr[5])));
1407 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1408 	       ((params->mac_addr[0] << 8) |
1409 		(params->mac_addr[1])));
1410 
1411 	udelay(30);
1412 }
1413 
1414 /******************************************************************/
1415 /*			MAC/PBF section				  */
1416 /******************************************************************/
1417 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1418 			       u32 emac_base)
1419 {
1420 	u32 new_mode, cur_mode;
1421 	u32 clc_cnt;
1422 	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1423 	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1424 	 */
1425 	cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1426 
1427 	if (USES_WARPCORE(bp))
1428 		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1429 	else
1430 		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1431 
1432 	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1433 	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1434 		return;
1435 
1436 	new_mode = cur_mode &
1437 		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1438 	new_mode |= clc_cnt;
1439 	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1440 
1441 	DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1442 	   cur_mode, new_mode);
1443 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1444 	udelay(40);
1445 }
1446 
1447 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1448 					struct link_params *params)
1449 {
1450 	u8 phy_index;
1451 	/* Set mdio clock per phy */
1452 	for (phy_index = INT_PHY; phy_index < params->num_phys;
1453 	      phy_index++)
1454 		bnx2x_set_mdio_clk(bp, params->chip_id,
1455 				   params->phy[phy_index].mdio_ctrl);
1456 }
1457 
1458 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1459 {
1460 	u32 port4mode_ovwr_val;
1461 	/* Check 4-port override enabled */
1462 	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1463 	if (port4mode_ovwr_val & (1<<0)) {
1464 		/* Return 4-port mode override value */
1465 		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1466 	}
1467 	/* Return 4-port mode from input pin */
1468 	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1469 }
1470 
1471 static void bnx2x_emac_init(struct link_params *params,
1472 			    struct link_vars *vars)
1473 {
1474 	/* reset and unreset the emac core */
1475 	struct bnx2x *bp = params->bp;
1476 	u8 port = params->port;
1477 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1478 	u32 val;
1479 	u16 timeout;
1480 
1481 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1482 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1483 	udelay(5);
1484 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1485 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1486 
1487 	/* init emac - use read-modify-write */
1488 	/* self clear reset */
1489 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1490 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1491 
1492 	timeout = 200;
1493 	do {
1494 		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1495 		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1496 		if (!timeout) {
1497 			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1498 			return;
1499 		}
1500 		timeout--;
1501 	} while (val & EMAC_MODE_RESET);
1502 
1503 	bnx2x_set_mdio_emac_per_phy(bp, params);
1504 	/* Set mac address */
1505 	val = ((params->mac_addr[0] << 8) |
1506 		params->mac_addr[1]);
1507 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1508 
1509 	val = ((params->mac_addr[2] << 24) |
1510 	       (params->mac_addr[3] << 16) |
1511 	       (params->mac_addr[4] << 8) |
1512 		params->mac_addr[5]);
1513 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1514 }
1515 
1516 static void bnx2x_set_xumac_nig(struct link_params *params,
1517 				u16 tx_pause_en,
1518 				u8 enable)
1519 {
1520 	struct bnx2x *bp = params->bp;
1521 
1522 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1523 	       enable);
1524 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1525 	       enable);
1526 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1527 	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1528 }
1529 
1530 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1531 {
1532 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1533 	u32 val;
1534 	struct bnx2x *bp = params->bp;
1535 	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1536 		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1537 		return;
1538 	val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1539 	if (en)
1540 		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1541 			UMAC_COMMAND_CONFIG_REG_RX_ENA);
1542 	else
1543 		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1544 			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1545 	/* Disable RX and TX */
1546 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1547 }
1548 
1549 static void bnx2x_umac_enable(struct link_params *params,
1550 			    struct link_vars *vars, u8 lb)
1551 {
1552 	u32 val;
1553 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1554 	struct bnx2x *bp = params->bp;
1555 	/* Reset UMAC */
1556 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1557 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1558 	usleep_range(1000, 2000);
1559 
1560 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1561 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1562 
1563 	DP(NETIF_MSG_LINK, "enabling UMAC\n");
1564 
1565 	/* This register opens the gate for the UMAC despite its name */
1566 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1567 
1568 	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1569 		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1570 		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1571 		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1572 	switch (vars->line_speed) {
1573 	case SPEED_10:
1574 		val |= (0<<2);
1575 		break;
1576 	case SPEED_100:
1577 		val |= (1<<2);
1578 		break;
1579 	case SPEED_1000:
1580 		val |= (2<<2);
1581 		break;
1582 	case SPEED_2500:
1583 		val |= (3<<2);
1584 		break;
1585 	default:
1586 		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1587 			       vars->line_speed);
1588 		break;
1589 	}
1590 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1591 		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1592 
1593 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1594 		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1595 
1596 	if (vars->duplex == DUPLEX_HALF)
1597 		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1598 
1599 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1600 	udelay(50);
1601 
1602 	/* Configure UMAC for EEE */
1603 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1604 		DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1605 		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1606 		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1607 		REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1608 	} else {
1609 		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1610 	}
1611 
1612 	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1613 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1614 	       ((params->mac_addr[2] << 24) |
1615 		(params->mac_addr[3] << 16) |
1616 		(params->mac_addr[4] << 8) |
1617 		(params->mac_addr[5])));
1618 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1619 	       ((params->mac_addr[0] << 8) |
1620 		(params->mac_addr[1])));
1621 
1622 	/* Enable RX and TX */
1623 	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1624 	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1625 		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1626 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1627 	udelay(50);
1628 
1629 	/* Remove SW Reset */
1630 	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1631 
1632 	/* Check loopback mode */
1633 	if (lb)
1634 		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1635 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1636 
1637 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1638 	 * length used by the MAC receive logic to check frames.
1639 	 */
1640 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1641 	bnx2x_set_xumac_nig(params,
1642 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1643 	vars->mac_type = MAC_TYPE_UMAC;
1644 
1645 }
1646 
1647 /* Define the XMAC mode */
1648 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1649 {
1650 	struct bnx2x *bp = params->bp;
1651 	u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1652 
1653 	/* In 4-port mode, need to set the mode only once, so if XMAC is
1654 	 * already out of reset, it means the mode has already been set,
1655 	 * and it must not* reset the XMAC again, since it controls both
1656 	 * ports of the path
1657 	 */
1658 
1659 	if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1660 	     (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1661 	     (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1662 	    is_port4mode &&
1663 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1664 	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1665 		DP(NETIF_MSG_LINK,
1666 		   "XMAC already out of reset in 4-port mode\n");
1667 		return;
1668 	}
1669 
1670 	/* Hard reset */
1671 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1672 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1673 	usleep_range(1000, 2000);
1674 
1675 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1676 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1677 	if (is_port4mode) {
1678 		DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1679 
1680 		/* Set the number of ports on the system side to up to 2 */
1681 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1682 
1683 		/* Set the number of ports on the Warp Core to 10G */
1684 		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1685 	} else {
1686 		/* Set the number of ports on the system side to 1 */
1687 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1688 		if (max_speed == SPEED_10000) {
1689 			DP(NETIF_MSG_LINK,
1690 			   "Init XMAC to 10G x 1 port per path\n");
1691 			/* Set the number of ports on the Warp Core to 10G */
1692 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1693 		} else {
1694 			DP(NETIF_MSG_LINK,
1695 			   "Init XMAC to 20G x 2 ports per path\n");
1696 			/* Set the number of ports on the Warp Core to 20G */
1697 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1698 		}
1699 	}
1700 	/* Soft reset */
1701 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1702 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1703 	usleep_range(1000, 2000);
1704 
1705 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1706 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1707 
1708 }
1709 
1710 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1711 {
1712 	u8 port = params->port;
1713 	struct bnx2x *bp = params->bp;
1714 	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1715 	u32 val;
1716 
1717 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1718 	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1719 		/* Send an indication to change the state in the NIG back to XON
1720 		 * Clearing this bit enables the next set of this bit to get
1721 		 * rising edge
1722 		 */
1723 		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1724 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1725 		       (pfc_ctrl & ~(1<<1)));
1726 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1727 		       (pfc_ctrl | (1<<1)));
1728 		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1729 		val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1730 		if (en)
1731 			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1732 		else
1733 			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1734 		REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1735 	}
1736 }
1737 
1738 static int bnx2x_xmac_enable(struct link_params *params,
1739 			     struct link_vars *vars, u8 lb)
1740 {
1741 	u32 val, xmac_base;
1742 	struct bnx2x *bp = params->bp;
1743 	DP(NETIF_MSG_LINK, "enabling XMAC\n");
1744 
1745 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1746 
1747 	bnx2x_xmac_init(params, vars->line_speed);
1748 
1749 	/* This register determines on which events the MAC will assert
1750 	 * error on the i/f to the NIG along w/ EOP.
1751 	 */
1752 
1753 	/* This register tells the NIG whether to send traffic to UMAC
1754 	 * or XMAC
1755 	 */
1756 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1757 
1758 	/* When XMAC is in XLGMII mode, disable sending idles for fault
1759 	 * detection.
1760 	 */
1761 	if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1762 		REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1763 		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1764 			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1765 		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1766 		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1767 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1768 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1769 	}
1770 	/* Set Max packet size */
1771 	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1772 
1773 	/* CRC append for Tx packets */
1774 	REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1775 
1776 	/* update PFC */
1777 	bnx2x_update_pfc_xmac(params, vars, 0);
1778 
1779 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1780 		DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1781 		REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1782 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1783 	} else {
1784 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1785 	}
1786 
1787 	/* Enable TX and RX */
1788 	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1789 
1790 	/* Set MAC in XLGMII mode for dual-mode */
1791 	if ((vars->line_speed == SPEED_20000) &&
1792 	    (params->phy[INT_PHY].supported &
1793 	     SUPPORTED_20000baseKR2_Full))
1794 		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1795 
1796 	/* Check loopback mode */
1797 	if (lb)
1798 		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1799 	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1800 	bnx2x_set_xumac_nig(params,
1801 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1802 
1803 	vars->mac_type = MAC_TYPE_XMAC;
1804 
1805 	return 0;
1806 }
1807 
1808 static int bnx2x_emac_enable(struct link_params *params,
1809 			     struct link_vars *vars, u8 lb)
1810 {
1811 	struct bnx2x *bp = params->bp;
1812 	u8 port = params->port;
1813 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1814 	u32 val;
1815 
1816 	DP(NETIF_MSG_LINK, "enabling EMAC\n");
1817 
1818 	/* Disable BMAC */
1819 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1820 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1821 
1822 	/* enable emac and not bmac */
1823 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1824 
1825 	/* ASIC */
1826 	if (vars->phy_flags & PHY_XGXS_FLAG) {
1827 		u32 ser_lane = ((params->lane_config &
1828 				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1829 				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1830 
1831 		DP(NETIF_MSG_LINK, "XGXS\n");
1832 		/* select the master lanes (out of 0-3) */
1833 		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1834 		/* select XGXS */
1835 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1836 
1837 	} else { /* SerDes */
1838 		DP(NETIF_MSG_LINK, "SerDes\n");
1839 		/* select SerDes */
1840 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1841 	}
1842 
1843 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1844 		      EMAC_RX_MODE_RESET);
1845 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1846 		      EMAC_TX_MODE_RESET);
1847 
1848 		/* pause enable/disable */
1849 		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1850 			       EMAC_RX_MODE_FLOW_EN);
1851 
1852 		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1853 			       (EMAC_TX_MODE_EXT_PAUSE_EN |
1854 				EMAC_TX_MODE_FLOW_EN));
1855 		if (!(params->feature_config_flags &
1856 		      FEATURE_CONFIG_PFC_ENABLED)) {
1857 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1858 				bnx2x_bits_en(bp, emac_base +
1859 					      EMAC_REG_EMAC_RX_MODE,
1860 					      EMAC_RX_MODE_FLOW_EN);
1861 
1862 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1863 				bnx2x_bits_en(bp, emac_base +
1864 					      EMAC_REG_EMAC_TX_MODE,
1865 					      (EMAC_TX_MODE_EXT_PAUSE_EN |
1866 					       EMAC_TX_MODE_FLOW_EN));
1867 		} else
1868 			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1869 				      EMAC_TX_MODE_FLOW_EN);
1870 
1871 	/* KEEP_VLAN_TAG, promiscuous */
1872 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1873 	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1874 
1875 	/* Setting this bit causes MAC control frames (except for pause
1876 	 * frames) to be passed on for processing. This setting has no
1877 	 * affect on the operation of the pause frames. This bit effects
1878 	 * all packets regardless of RX Parser packet sorting logic.
1879 	 * Turn the PFC off to make sure we are in Xon state before
1880 	 * enabling it.
1881 	 */
1882 	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1883 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1884 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1885 		/* Enable PFC again */
1886 		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1887 			EMAC_REG_RX_PFC_MODE_RX_EN |
1888 			EMAC_REG_RX_PFC_MODE_TX_EN |
1889 			EMAC_REG_RX_PFC_MODE_PRIORITIES);
1890 
1891 		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1892 			((0x0101 <<
1893 			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1894 			 (0x00ff <<
1895 			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1896 		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1897 	}
1898 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1899 
1900 	/* Set Loopback */
1901 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1902 	if (lb)
1903 		val |= 0x810;
1904 	else
1905 		val &= ~0x810;
1906 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1907 
1908 	/* Enable emac */
1909 	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1910 
1911 	/* Enable emac for jumbo packets */
1912 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1913 		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
1914 		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1915 
1916 	/* Strip CRC */
1917 	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1918 
1919 	/* Disable the NIG in/out to the bmac */
1920 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1921 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1922 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1923 
1924 	/* Enable the NIG in/out to the emac */
1925 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1926 	val = 0;
1927 	if ((params->feature_config_flags &
1928 	      FEATURE_CONFIG_PFC_ENABLED) ||
1929 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1930 		val = 1;
1931 
1932 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1933 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1934 
1935 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1936 
1937 	vars->mac_type = MAC_TYPE_EMAC;
1938 	return 0;
1939 }
1940 
1941 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1942 				   struct link_vars *vars)
1943 {
1944 	u32 wb_data[2];
1945 	struct bnx2x *bp = params->bp;
1946 	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1947 		NIG_REG_INGRESS_BMAC0_MEM;
1948 
1949 	u32 val = 0x14;
1950 	if ((!(params->feature_config_flags &
1951 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1952 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1953 		/* Enable BigMAC to react on received Pause packets */
1954 		val |= (1<<5);
1955 	wb_data[0] = val;
1956 	wb_data[1] = 0;
1957 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1958 
1959 	/* TX control */
1960 	val = 0xc0;
1961 	if (!(params->feature_config_flags &
1962 	      FEATURE_CONFIG_PFC_ENABLED) &&
1963 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1964 		val |= 0x800000;
1965 	wb_data[0] = val;
1966 	wb_data[1] = 0;
1967 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1968 }
1969 
1970 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1971 				   struct link_vars *vars,
1972 				   u8 is_lb)
1973 {
1974 	/* Set rx control: Strip CRC and enable BigMAC to relay
1975 	 * control packets to the system as well
1976 	 */
1977 	u32 wb_data[2];
1978 	struct bnx2x *bp = params->bp;
1979 	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1980 		NIG_REG_INGRESS_BMAC0_MEM;
1981 	u32 val = 0x14;
1982 
1983 	if ((!(params->feature_config_flags &
1984 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1985 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1986 		/* Enable BigMAC to react on received Pause packets */
1987 		val |= (1<<5);
1988 	wb_data[0] = val;
1989 	wb_data[1] = 0;
1990 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1991 	udelay(30);
1992 
1993 	/* Tx control */
1994 	val = 0xc0;
1995 	if (!(params->feature_config_flags &
1996 				FEATURE_CONFIG_PFC_ENABLED) &&
1997 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1998 		val |= 0x800000;
1999 	wb_data[0] = val;
2000 	wb_data[1] = 0;
2001 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2002 
2003 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2004 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
2005 		/* Enable PFC RX & TX & STATS and set 8 COS  */
2006 		wb_data[0] = 0x0;
2007 		wb_data[0] |= (1<<0);  /* RX */
2008 		wb_data[0] |= (1<<1);  /* TX */
2009 		wb_data[0] |= (1<<2);  /* Force initial Xon */
2010 		wb_data[0] |= (1<<3);  /* 8 cos */
2011 		wb_data[0] |= (1<<5);  /* STATS */
2012 		wb_data[1] = 0;
2013 		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2014 			    wb_data, 2);
2015 		/* Clear the force Xon */
2016 		wb_data[0] &= ~(1<<2);
2017 	} else {
2018 		DP(NETIF_MSG_LINK, "PFC is disabled\n");
2019 		/* Disable PFC RX & TX & STATS and set 8 COS */
2020 		wb_data[0] = 0x8;
2021 		wb_data[1] = 0;
2022 	}
2023 
2024 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2025 
2026 	/* Set Time (based unit is 512 bit time) between automatic
2027 	 * re-sending of PP packets amd enable automatic re-send of
2028 	 * Per-Priroity Packet as long as pp_gen is asserted and
2029 	 * pp_disable is low.
2030 	 */
2031 	val = 0x8000;
2032 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2033 		val |= (1<<16); /* enable automatic re-send */
2034 
2035 	wb_data[0] = val;
2036 	wb_data[1] = 0;
2037 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2038 		    wb_data, 2);
2039 
2040 	/* mac control */
2041 	val = 0x3; /* Enable RX and TX */
2042 	if (is_lb) {
2043 		val |= 0x4; /* Local loopback */
2044 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2045 	}
2046 	/* When PFC enabled, Pass pause frames towards the NIG. */
2047 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2048 		val |= ((1<<6)|(1<<5));
2049 
2050 	wb_data[0] = val;
2051 	wb_data[1] = 0;
2052 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2053 }
2054 
2055 /******************************************************************************
2056 * Description:
2057 *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2058 *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2059 ******************************************************************************/
2060 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2061 					   u8 cos_entry,
2062 					   u32 priority_mask, u8 port)
2063 {
2064 	u32 nig_reg_rx_priority_mask_add = 0;
2065 
2066 	switch (cos_entry) {
2067 	case 0:
2068 	     nig_reg_rx_priority_mask_add = (port) ?
2069 		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2070 		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2071 	     break;
2072 	case 1:
2073 	    nig_reg_rx_priority_mask_add = (port) ?
2074 		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2075 		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2076 	    break;
2077 	case 2:
2078 	    nig_reg_rx_priority_mask_add = (port) ?
2079 		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2080 		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2081 	    break;
2082 	case 3:
2083 	    if (port)
2084 		return -EINVAL;
2085 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2086 	    break;
2087 	case 4:
2088 	    if (port)
2089 		return -EINVAL;
2090 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2091 	    break;
2092 	case 5:
2093 	    if (port)
2094 		return -EINVAL;
2095 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2096 	    break;
2097 	}
2098 
2099 	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2100 
2101 	return 0;
2102 }
2103 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2104 {
2105 	struct bnx2x *bp = params->bp;
2106 
2107 	REG_WR(bp, params->shmem_base +
2108 	       offsetof(struct shmem_region,
2109 			port_mb[params->port].link_status), link_status);
2110 }
2111 
2112 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2113 {
2114 	struct bnx2x *bp = params->bp;
2115 
2116 	if (SHMEM2_HAS(bp, link_attr_sync))
2117 		REG_WR(bp, params->shmem2_base +
2118 		       offsetof(struct shmem2_region,
2119 				link_attr_sync[params->port]), link_attr);
2120 }
2121 
2122 static void bnx2x_update_pfc_nig(struct link_params *params,
2123 		struct link_vars *vars,
2124 		struct bnx2x_nig_brb_pfc_port_params *nig_params)
2125 {
2126 	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2127 	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2128 	u32 pkt_priority_to_cos = 0;
2129 	struct bnx2x *bp = params->bp;
2130 	u8 port = params->port;
2131 
2132 	int set_pfc = params->feature_config_flags &
2133 		FEATURE_CONFIG_PFC_ENABLED;
2134 	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2135 
2136 	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2137 	 * MAC control frames (that are not pause packets)
2138 	 * will be forwarded to the XCM.
2139 	 */
2140 	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2141 			  NIG_REG_LLH0_XCM_MASK);
2142 	/* NIG params will override non PFC params, since it's possible to
2143 	 * do transition from PFC to SAFC
2144 	 */
2145 	if (set_pfc) {
2146 		pause_enable = 0;
2147 		llfc_out_en = 0;
2148 		llfc_enable = 0;
2149 		if (CHIP_IS_E3(bp))
2150 			ppp_enable = 0;
2151 		else
2152 			ppp_enable = 1;
2153 		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2154 				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2155 		xcm_out_en = 0;
2156 		hwpfc_enable = 1;
2157 	} else  {
2158 		if (nig_params) {
2159 			llfc_out_en = nig_params->llfc_out_en;
2160 			llfc_enable = nig_params->llfc_enable;
2161 			pause_enable = nig_params->pause_enable;
2162 		} else  /* Default non PFC mode - PAUSE */
2163 			pause_enable = 1;
2164 
2165 		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2166 			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2167 		xcm_out_en = 1;
2168 	}
2169 
2170 	if (CHIP_IS_E3(bp))
2171 		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2172 		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2173 	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2174 	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2175 	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2176 	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2177 	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2178 	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2179 
2180 	REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2181 	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2182 
2183 	REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2184 	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2185 
2186 	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2187 	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2188 
2189 	/* Output enable for RX_XCM # IF */
2190 	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2191 	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2192 
2193 	/* HW PFC TX enable */
2194 	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2195 	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2196 
2197 	if (nig_params) {
2198 		u8 i = 0;
2199 		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2200 
2201 		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2202 			bnx2x_pfc_nig_rx_priority_mask(bp, i,
2203 		nig_params->rx_cos_priority_mask[i], port);
2204 
2205 		REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2206 		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2207 		       nig_params->llfc_high_priority_classes);
2208 
2209 		REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2210 		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2211 		       nig_params->llfc_low_priority_classes);
2212 	}
2213 	REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2214 	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2215 	       pkt_priority_to_cos);
2216 }
2217 
2218 int bnx2x_update_pfc(struct link_params *params,
2219 		      struct link_vars *vars,
2220 		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2221 {
2222 	/* The PFC and pause are orthogonal to one another, meaning when
2223 	 * PFC is enabled, the pause are disabled, and when PFC is
2224 	 * disabled, pause are set according to the pause result.
2225 	 */
2226 	u32 val;
2227 	struct bnx2x *bp = params->bp;
2228 	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2229 
2230 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2231 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2232 	else
2233 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2234 
2235 	bnx2x_update_mng(params, vars->link_status);
2236 
2237 	/* Update NIG params */
2238 	bnx2x_update_pfc_nig(params, vars, pfc_params);
2239 
2240 	if (!vars->link_up)
2241 		return 0;
2242 
2243 	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2244 
2245 	if (CHIP_IS_E3(bp)) {
2246 		if (vars->mac_type == MAC_TYPE_XMAC)
2247 			bnx2x_update_pfc_xmac(params, vars, 0);
2248 	} else {
2249 		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2250 		if ((val &
2251 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2252 		    == 0) {
2253 			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2254 			bnx2x_emac_enable(params, vars, 0);
2255 			return 0;
2256 		}
2257 		if (CHIP_IS_E2(bp))
2258 			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2259 		else
2260 			bnx2x_update_pfc_bmac1(params, vars);
2261 
2262 		val = 0;
2263 		if ((params->feature_config_flags &
2264 		     FEATURE_CONFIG_PFC_ENABLED) ||
2265 		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2266 			val = 1;
2267 		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2268 	}
2269 	return 0;
2270 }
2271 
2272 static int bnx2x_bmac1_enable(struct link_params *params,
2273 			      struct link_vars *vars,
2274 			      u8 is_lb)
2275 {
2276 	struct bnx2x *bp = params->bp;
2277 	u8 port = params->port;
2278 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2279 			       NIG_REG_INGRESS_BMAC0_MEM;
2280 	u32 wb_data[2];
2281 	u32 val;
2282 
2283 	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2284 
2285 	/* XGXS control */
2286 	wb_data[0] = 0x3c;
2287 	wb_data[1] = 0;
2288 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2289 		    wb_data, 2);
2290 
2291 	/* TX MAC SA */
2292 	wb_data[0] = ((params->mac_addr[2] << 24) |
2293 		       (params->mac_addr[3] << 16) |
2294 		       (params->mac_addr[4] << 8) |
2295 			params->mac_addr[5]);
2296 	wb_data[1] = ((params->mac_addr[0] << 8) |
2297 			params->mac_addr[1]);
2298 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2299 
2300 	/* MAC control */
2301 	val = 0x3;
2302 	if (is_lb) {
2303 		val |= 0x4;
2304 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2305 	}
2306 	wb_data[0] = val;
2307 	wb_data[1] = 0;
2308 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2309 
2310 	/* Set rx mtu */
2311 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2312 	wb_data[1] = 0;
2313 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2314 
2315 	bnx2x_update_pfc_bmac1(params, vars);
2316 
2317 	/* Set tx mtu */
2318 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2319 	wb_data[1] = 0;
2320 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2321 
2322 	/* Set cnt max size */
2323 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2324 	wb_data[1] = 0;
2325 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2326 
2327 	/* Configure SAFC */
2328 	wb_data[0] = 0x1000200;
2329 	wb_data[1] = 0;
2330 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2331 		    wb_data, 2);
2332 
2333 	return 0;
2334 }
2335 
2336 static int bnx2x_bmac2_enable(struct link_params *params,
2337 			      struct link_vars *vars,
2338 			      u8 is_lb)
2339 {
2340 	struct bnx2x *bp = params->bp;
2341 	u8 port = params->port;
2342 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2343 			       NIG_REG_INGRESS_BMAC0_MEM;
2344 	u32 wb_data[2];
2345 
2346 	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2347 
2348 	wb_data[0] = 0;
2349 	wb_data[1] = 0;
2350 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2351 	udelay(30);
2352 
2353 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2354 	wb_data[0] = 0x3c;
2355 	wb_data[1] = 0;
2356 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2357 		    wb_data, 2);
2358 
2359 	udelay(30);
2360 
2361 	/* TX MAC SA */
2362 	wb_data[0] = ((params->mac_addr[2] << 24) |
2363 		       (params->mac_addr[3] << 16) |
2364 		       (params->mac_addr[4] << 8) |
2365 			params->mac_addr[5]);
2366 	wb_data[1] = ((params->mac_addr[0] << 8) |
2367 			params->mac_addr[1]);
2368 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2369 		    wb_data, 2);
2370 
2371 	udelay(30);
2372 
2373 	/* Configure SAFC */
2374 	wb_data[0] = 0x1000200;
2375 	wb_data[1] = 0;
2376 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2377 		    wb_data, 2);
2378 	udelay(30);
2379 
2380 	/* Set RX 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_RX_MAX_SIZE, wb_data, 2);
2384 	udelay(30);
2385 
2386 	/* Set TX MTU */
2387 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2388 	wb_data[1] = 0;
2389 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2390 	udelay(30);
2391 	/* Set cnt max size */
2392 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2393 	wb_data[1] = 0;
2394 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2395 	udelay(30);
2396 	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2397 
2398 	return 0;
2399 }
2400 
2401 static int bnx2x_bmac_enable(struct link_params *params,
2402 			     struct link_vars *vars,
2403 			     u8 is_lb, u8 reset_bmac)
2404 {
2405 	int rc = 0;
2406 	u8 port = params->port;
2407 	struct bnx2x *bp = params->bp;
2408 	u32 val;
2409 	/* Reset and unreset the BigMac */
2410 	if (reset_bmac) {
2411 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2412 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2413 		usleep_range(1000, 2000);
2414 	}
2415 
2416 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2417 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2418 
2419 	/* Enable access for bmac registers */
2420 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2421 
2422 	/* Enable BMAC according to BMAC type*/
2423 	if (CHIP_IS_E2(bp))
2424 		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2425 	else
2426 		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2427 	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2428 	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2429 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2430 	val = 0;
2431 	if ((params->feature_config_flags &
2432 	      FEATURE_CONFIG_PFC_ENABLED) ||
2433 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2434 		val = 1;
2435 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2436 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2437 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2438 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2439 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2440 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2441 
2442 	vars->mac_type = MAC_TYPE_BMAC;
2443 	return rc;
2444 }
2445 
2446 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2447 {
2448 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2449 			NIG_REG_INGRESS_BMAC0_MEM;
2450 	u32 wb_data[2];
2451 	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2452 
2453 	if (CHIP_IS_E2(bp))
2454 		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2455 	else
2456 		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2457 	/* Only if the bmac is out of reset */
2458 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2459 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2460 	    nig_bmac_enable) {
2461 		/* Clear Rx Enable bit in BMAC_CONTROL register */
2462 		REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2463 		if (en)
2464 			wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2465 		else
2466 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2467 		REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2468 		usleep_range(1000, 2000);
2469 	}
2470 }
2471 
2472 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2473 			    u32 line_speed)
2474 {
2475 	struct bnx2x *bp = params->bp;
2476 	u8 port = params->port;
2477 	u32 init_crd, crd;
2478 	u32 count = 1000;
2479 
2480 	/* Disable port */
2481 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2482 
2483 	/* Wait for init credit */
2484 	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2485 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2486 	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2487 
2488 	while ((init_crd != crd) && count) {
2489 		usleep_range(5000, 10000);
2490 		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2491 		count--;
2492 	}
2493 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2494 	if (init_crd != crd) {
2495 		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2496 			  init_crd, crd);
2497 		return -EINVAL;
2498 	}
2499 
2500 	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2501 	    line_speed == SPEED_10 ||
2502 	    line_speed == SPEED_100 ||
2503 	    line_speed == SPEED_1000 ||
2504 	    line_speed == SPEED_2500) {
2505 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2506 		/* Update threshold */
2507 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2508 		/* Update init credit */
2509 		init_crd = 778;		/* (800-18-4) */
2510 
2511 	} else {
2512 		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2513 			      ETH_OVREHEAD)/16;
2514 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2515 		/* Update threshold */
2516 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2517 		/* Update init credit */
2518 		switch (line_speed) {
2519 		case SPEED_10000:
2520 			init_crd = thresh + 553 - 22;
2521 			break;
2522 		default:
2523 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2524 				  line_speed);
2525 			return -EINVAL;
2526 		}
2527 	}
2528 	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2529 	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2530 		 line_speed, init_crd);
2531 
2532 	/* Probe the credit changes */
2533 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2534 	usleep_range(5000, 10000);
2535 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2536 
2537 	/* Enable port */
2538 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2539 	return 0;
2540 }
2541 
2542 /**
2543  * bnx2x_get_emac_base - retrive emac base address
2544  *
2545  * @bp:			driver handle
2546  * @mdc_mdio_access:	access type
2547  * @port:		port id
2548  *
2549  * This function selects the MDC/MDIO access (through emac0 or
2550  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2551  * phy has a default access mode, which could also be overridden
2552  * by nvram configuration. This parameter, whether this is the
2553  * default phy configuration, or the nvram overrun
2554  * configuration, is passed here as mdc_mdio_access and selects
2555  * the emac_base for the CL45 read/writes operations
2556  */
2557 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2558 			       u32 mdc_mdio_access, u8 port)
2559 {
2560 	u32 emac_base = 0;
2561 	switch (mdc_mdio_access) {
2562 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2563 		break;
2564 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2565 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2566 			emac_base = GRCBASE_EMAC1;
2567 		else
2568 			emac_base = GRCBASE_EMAC0;
2569 		break;
2570 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2571 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2572 			emac_base = GRCBASE_EMAC0;
2573 		else
2574 			emac_base = GRCBASE_EMAC1;
2575 		break;
2576 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2577 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2578 		break;
2579 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2580 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2581 		break;
2582 	default:
2583 		break;
2584 	}
2585 	return emac_base;
2586 
2587 }
2588 
2589 /******************************************************************/
2590 /*			CL22 access functions			  */
2591 /******************************************************************/
2592 static int bnx2x_cl22_write(struct bnx2x *bp,
2593 				       struct bnx2x_phy *phy,
2594 				       u16 reg, u16 val)
2595 {
2596 	u32 tmp, mode;
2597 	u8 i;
2598 	int rc = 0;
2599 	/* Switch to CL22 */
2600 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2601 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2602 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2603 
2604 	/* Address */
2605 	tmp = ((phy->addr << 21) | (reg << 16) | val |
2606 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2607 	       EMAC_MDIO_COMM_START_BUSY);
2608 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2609 
2610 	for (i = 0; i < 50; i++) {
2611 		udelay(10);
2612 
2613 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2614 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2615 			udelay(5);
2616 			break;
2617 		}
2618 	}
2619 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2620 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2621 		rc = -EFAULT;
2622 	}
2623 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2624 	return rc;
2625 }
2626 
2627 static int bnx2x_cl22_read(struct bnx2x *bp,
2628 				      struct bnx2x_phy *phy,
2629 				      u16 reg, u16 *ret_val)
2630 {
2631 	u32 val, mode;
2632 	u16 i;
2633 	int rc = 0;
2634 
2635 	/* Switch to CL22 */
2636 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2637 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2638 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2639 
2640 	/* Address */
2641 	val = ((phy->addr << 21) | (reg << 16) |
2642 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
2643 	       EMAC_MDIO_COMM_START_BUSY);
2644 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2645 
2646 	for (i = 0; i < 50; i++) {
2647 		udelay(10);
2648 
2649 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2650 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2651 			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2652 			udelay(5);
2653 			break;
2654 		}
2655 	}
2656 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2657 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2658 
2659 		*ret_val = 0;
2660 		rc = -EFAULT;
2661 	}
2662 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2663 	return rc;
2664 }
2665 
2666 /******************************************************************/
2667 /*			CL45 access functions			  */
2668 /******************************************************************/
2669 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2670 			   u8 devad, u16 reg, u16 *ret_val)
2671 {
2672 	u32 val;
2673 	u16 i;
2674 	int rc = 0;
2675 	u32 chip_id;
2676 	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2677 		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2678 			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2679 		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2680 	}
2681 
2682 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2683 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2684 			      EMAC_MDIO_STATUS_10MB);
2685 	/* Address */
2686 	val = ((phy->addr << 21) | (devad << 16) | reg |
2687 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2688 	       EMAC_MDIO_COMM_START_BUSY);
2689 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2690 
2691 	for (i = 0; i < 50; i++) {
2692 		udelay(10);
2693 
2694 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2695 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2696 			udelay(5);
2697 			break;
2698 		}
2699 	}
2700 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2701 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2702 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2703 		*ret_val = 0;
2704 		rc = -EFAULT;
2705 	} else {
2706 		/* Data */
2707 		val = ((phy->addr << 21) | (devad << 16) |
2708 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
2709 		       EMAC_MDIO_COMM_START_BUSY);
2710 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2711 
2712 		for (i = 0; i < 50; i++) {
2713 			udelay(10);
2714 
2715 			val = REG_RD(bp, phy->mdio_ctrl +
2716 				     EMAC_REG_EMAC_MDIO_COMM);
2717 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2718 				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2719 				break;
2720 			}
2721 		}
2722 		if (val & EMAC_MDIO_COMM_START_BUSY) {
2723 			DP(NETIF_MSG_LINK, "read phy register failed\n");
2724 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2725 			*ret_val = 0;
2726 			rc = -EFAULT;
2727 		}
2728 	}
2729 	/* Work around for E3 A0 */
2730 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2731 		phy->flags ^= FLAGS_DUMMY_READ;
2732 		if (phy->flags & FLAGS_DUMMY_READ) {
2733 			u16 temp_val;
2734 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2735 		}
2736 	}
2737 
2738 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2739 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2740 			       EMAC_MDIO_STATUS_10MB);
2741 	return rc;
2742 }
2743 
2744 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2745 			    u8 devad, u16 reg, u16 val)
2746 {
2747 	u32 tmp;
2748 	u8 i;
2749 	int rc = 0;
2750 	u32 chip_id;
2751 	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2752 		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2753 			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2754 		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2755 	}
2756 
2757 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2758 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2759 			      EMAC_MDIO_STATUS_10MB);
2760 
2761 	/* Address */
2762 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
2763 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2764 	       EMAC_MDIO_COMM_START_BUSY);
2765 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2766 
2767 	for (i = 0; i < 50; i++) {
2768 		udelay(10);
2769 
2770 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2771 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2772 			udelay(5);
2773 			break;
2774 		}
2775 	}
2776 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2777 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2778 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2779 		rc = -EFAULT;
2780 	} else {
2781 		/* Data */
2782 		tmp = ((phy->addr << 21) | (devad << 16) | val |
2783 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2784 		       EMAC_MDIO_COMM_START_BUSY);
2785 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2786 
2787 		for (i = 0; i < 50; i++) {
2788 			udelay(10);
2789 
2790 			tmp = REG_RD(bp, phy->mdio_ctrl +
2791 				     EMAC_REG_EMAC_MDIO_COMM);
2792 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2793 				udelay(5);
2794 				break;
2795 			}
2796 		}
2797 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2798 			DP(NETIF_MSG_LINK, "write phy register failed\n");
2799 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2800 			rc = -EFAULT;
2801 		}
2802 	}
2803 	/* Work around for E3 A0 */
2804 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2805 		phy->flags ^= FLAGS_DUMMY_READ;
2806 		if (phy->flags & FLAGS_DUMMY_READ) {
2807 			u16 temp_val;
2808 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2809 		}
2810 	}
2811 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2812 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2813 			       EMAC_MDIO_STATUS_10MB);
2814 	return rc;
2815 }
2816 
2817 /******************************************************************/
2818 /*			EEE section				   */
2819 /******************************************************************/
2820 static u8 bnx2x_eee_has_cap(struct link_params *params)
2821 {
2822 	struct bnx2x *bp = params->bp;
2823 
2824 	if (REG_RD(bp, params->shmem2_base) <=
2825 		   offsetof(struct shmem2_region, eee_status[params->port]))
2826 		return 0;
2827 
2828 	return 1;
2829 }
2830 
2831 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2832 {
2833 	switch (nvram_mode) {
2834 	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2835 		*idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2836 		break;
2837 	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2838 		*idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2839 		break;
2840 	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2841 		*idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2842 		break;
2843 	default:
2844 		*idle_timer = 0;
2845 		break;
2846 	}
2847 
2848 	return 0;
2849 }
2850 
2851 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2852 {
2853 	switch (idle_timer) {
2854 	case EEE_MODE_NVRAM_BALANCED_TIME:
2855 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2856 		break;
2857 	case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2858 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2859 		break;
2860 	case EEE_MODE_NVRAM_LATENCY_TIME:
2861 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2862 		break;
2863 	default:
2864 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2865 		break;
2866 	}
2867 
2868 	return 0;
2869 }
2870 
2871 static u32 bnx2x_eee_calc_timer(struct link_params *params)
2872 {
2873 	u32 eee_mode, eee_idle;
2874 	struct bnx2x *bp = params->bp;
2875 
2876 	if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2877 		if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2878 			/* time value in eee_mode --> used directly*/
2879 			eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2880 		} else {
2881 			/* hsi value in eee_mode --> time */
2882 			if (bnx2x_eee_nvram_to_time(params->eee_mode &
2883 						    EEE_MODE_NVRAM_MASK,
2884 						    &eee_idle))
2885 				return 0;
2886 		}
2887 	} else {
2888 		/* hsi values in nvram --> time*/
2889 		eee_mode = ((REG_RD(bp, params->shmem_base +
2890 				    offsetof(struct shmem_region, dev_info.
2891 				    port_feature_config[params->port].
2892 				    eee_power_mode)) &
2893 			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2894 			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2895 
2896 		if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2897 			return 0;
2898 	}
2899 
2900 	return eee_idle;
2901 }
2902 
2903 static int bnx2x_eee_set_timers(struct link_params *params,
2904 				   struct link_vars *vars)
2905 {
2906 	u32 eee_idle = 0, eee_mode;
2907 	struct bnx2x *bp = params->bp;
2908 
2909 	eee_idle = bnx2x_eee_calc_timer(params);
2910 
2911 	if (eee_idle) {
2912 		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2913 		       eee_idle);
2914 	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2915 		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2916 		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2917 		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2918 		return -EINVAL;
2919 	}
2920 
2921 	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2922 	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2923 		/* eee_idle in 1u --> eee_status in 16u */
2924 		eee_idle >>= 4;
2925 		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2926 				    SHMEM_EEE_TIME_OUTPUT_BIT;
2927 	} else {
2928 		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2929 			return -EINVAL;
2930 		vars->eee_status |= eee_mode;
2931 	}
2932 
2933 	return 0;
2934 }
2935 
2936 static int bnx2x_eee_initial_config(struct link_params *params,
2937 				     struct link_vars *vars, u8 mode)
2938 {
2939 	vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2940 
2941 	/* Propogate params' bits --> vars (for migration exposure) */
2942 	if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2943 		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2944 	else
2945 		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2946 
2947 	if (params->eee_mode & EEE_MODE_ADV_LPI)
2948 		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2949 	else
2950 		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2951 
2952 	return bnx2x_eee_set_timers(params, vars);
2953 }
2954 
2955 static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2956 				struct link_params *params,
2957 				struct link_vars *vars)
2958 {
2959 	struct bnx2x *bp = params->bp;
2960 
2961 	/* Make Certain LPI is disabled */
2962 	REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2963 
2964 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2965 
2966 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2967 
2968 	return 0;
2969 }
2970 
2971 static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2972 				  struct link_params *params,
2973 				  struct link_vars *vars, u8 modes)
2974 {
2975 	struct bnx2x *bp = params->bp;
2976 	u16 val = 0;
2977 
2978 	/* Mask events preventing LPI generation */
2979 	REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2980 
2981 	if (modes & SHMEM_EEE_10G_ADV) {
2982 		DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2983 		val |= 0x8;
2984 	}
2985 	if (modes & SHMEM_EEE_1G_ADV) {
2986 		DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2987 		val |= 0x4;
2988 	}
2989 
2990 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2991 
2992 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2993 	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
2994 
2995 	return 0;
2996 }
2997 
2998 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2999 {
3000 	struct bnx2x *bp = params->bp;
3001 
3002 	if (bnx2x_eee_has_cap(params))
3003 		REG_WR(bp, params->shmem2_base +
3004 		       offsetof(struct shmem2_region,
3005 				eee_status[params->port]), eee_status);
3006 }
3007 
3008 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3009 				  struct link_params *params,
3010 				  struct link_vars *vars)
3011 {
3012 	struct bnx2x *bp = params->bp;
3013 	u16 adv = 0, lp = 0;
3014 	u32 lp_adv = 0;
3015 	u8 neg = 0;
3016 
3017 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3018 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3019 
3020 	if (lp & 0x2) {
3021 		lp_adv |= SHMEM_EEE_100M_ADV;
3022 		if (adv & 0x2) {
3023 			if (vars->line_speed == SPEED_100)
3024 				neg = 1;
3025 			DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3026 		}
3027 	}
3028 	if (lp & 0x14) {
3029 		lp_adv |= SHMEM_EEE_1G_ADV;
3030 		if (adv & 0x14) {
3031 			if (vars->line_speed == SPEED_1000)
3032 				neg = 1;
3033 			DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3034 		}
3035 	}
3036 	if (lp & 0x68) {
3037 		lp_adv |= SHMEM_EEE_10G_ADV;
3038 		if (adv & 0x68) {
3039 			if (vars->line_speed == SPEED_10000)
3040 				neg = 1;
3041 			DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3042 		}
3043 	}
3044 
3045 	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3046 	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3047 
3048 	if (neg) {
3049 		DP(NETIF_MSG_LINK, "EEE is active\n");
3050 		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3051 	}
3052 
3053 }
3054 
3055 /******************************************************************/
3056 /*			BSC access functions from E3	          */
3057 /******************************************************************/
3058 static void bnx2x_bsc_module_sel(struct link_params *params)
3059 {
3060 	int idx;
3061 	u32 board_cfg, sfp_ctrl;
3062 	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3063 	struct bnx2x *bp = params->bp;
3064 	u8 port = params->port;
3065 	/* Read I2C output PINs */
3066 	board_cfg = REG_RD(bp, params->shmem_base +
3067 			   offsetof(struct shmem_region,
3068 				    dev_info.shared_hw_config.board));
3069 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3070 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3071 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3072 
3073 	/* Read I2C output value */
3074 	sfp_ctrl = REG_RD(bp, params->shmem_base +
3075 			  offsetof(struct shmem_region,
3076 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3077 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3078 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3079 	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3080 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3081 		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3082 }
3083 
3084 static int bnx2x_bsc_read(struct link_params *params,
3085 			  struct bnx2x *bp,
3086 			  u8 sl_devid,
3087 			  u16 sl_addr,
3088 			  u8 lc_addr,
3089 			  u8 xfer_cnt,
3090 			  u32 *data_array)
3091 {
3092 	u32 val, i;
3093 	int rc = 0;
3094 
3095 	if (xfer_cnt > 16) {
3096 		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3097 					xfer_cnt);
3098 		return -EINVAL;
3099 	}
3100 	bnx2x_bsc_module_sel(params);
3101 
3102 	xfer_cnt = 16 - lc_addr;
3103 
3104 	/* Enable the engine */
3105 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3106 	val |= MCPR_IMC_COMMAND_ENABLE;
3107 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3108 
3109 	/* Program slave device ID */
3110 	val = (sl_devid << 16) | sl_addr;
3111 	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3112 
3113 	/* Start xfer with 0 byte to update the address pointer ???*/
3114 	val = (MCPR_IMC_COMMAND_ENABLE) |
3115 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3116 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3117 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3118 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3119 
3120 	/* Poll for completion */
3121 	i = 0;
3122 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3123 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3124 		udelay(10);
3125 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3126 		if (i++ > 1000) {
3127 			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3128 								i);
3129 			rc = -EFAULT;
3130 			break;
3131 		}
3132 	}
3133 	if (rc == -EFAULT)
3134 		return rc;
3135 
3136 	/* Start xfer with read op */
3137 	val = (MCPR_IMC_COMMAND_ENABLE) |
3138 		(MCPR_IMC_COMMAND_READ_OP <<
3139 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3140 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3141 		  (xfer_cnt);
3142 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3143 
3144 	/* Poll for completion */
3145 	i = 0;
3146 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3147 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3148 		udelay(10);
3149 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3150 		if (i++ > 1000) {
3151 			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3152 			rc = -EFAULT;
3153 			break;
3154 		}
3155 	}
3156 	if (rc == -EFAULT)
3157 		return rc;
3158 
3159 	for (i = (lc_addr >> 2); i < 4; i++) {
3160 		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3161 #ifdef __BIG_ENDIAN
3162 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3163 				((data_array[i] & 0x0000ff00) << 8) |
3164 				((data_array[i] & 0x00ff0000) >> 8) |
3165 				((data_array[i] & 0xff000000) >> 24);
3166 #endif
3167 	}
3168 	return rc;
3169 }
3170 
3171 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3172 				     u8 devad, u16 reg, u16 or_val)
3173 {
3174 	u16 val;
3175 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3176 	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3177 }
3178 
3179 static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3180 				      struct bnx2x_phy *phy,
3181 				      u8 devad, u16 reg, u16 and_val)
3182 {
3183 	u16 val;
3184 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3185 	bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3186 }
3187 
3188 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3189 		   u8 devad, u16 reg, u16 *ret_val)
3190 {
3191 	u8 phy_index;
3192 	/* Probe for the phy according to the given phy_addr, and execute
3193 	 * the read request on it
3194 	 */
3195 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3196 		if (params->phy[phy_index].addr == phy_addr) {
3197 			return bnx2x_cl45_read(params->bp,
3198 					       &params->phy[phy_index], devad,
3199 					       reg, ret_val);
3200 		}
3201 	}
3202 	return -EINVAL;
3203 }
3204 
3205 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3206 		    u8 devad, u16 reg, u16 val)
3207 {
3208 	u8 phy_index;
3209 	/* Probe for the phy according to the given phy_addr, and execute
3210 	 * the write request on it
3211 	 */
3212 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3213 		if (params->phy[phy_index].addr == phy_addr) {
3214 			return bnx2x_cl45_write(params->bp,
3215 						&params->phy[phy_index], devad,
3216 						reg, val);
3217 		}
3218 	}
3219 	return -EINVAL;
3220 }
3221 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3222 				  struct link_params *params)
3223 {
3224 	u8 lane = 0;
3225 	struct bnx2x *bp = params->bp;
3226 	u32 path_swap, path_swap_ovr;
3227 	u8 path, port;
3228 
3229 	path = BP_PATH(bp);
3230 	port = params->port;
3231 
3232 	if (bnx2x_is_4_port_mode(bp)) {
3233 		u32 port_swap, port_swap_ovr;
3234 
3235 		/* Figure out path swap value */
3236 		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3237 		if (path_swap_ovr & 0x1)
3238 			path_swap = (path_swap_ovr & 0x2);
3239 		else
3240 			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3241 
3242 		if (path_swap)
3243 			path = path ^ 1;
3244 
3245 		/* Figure out port swap value */
3246 		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3247 		if (port_swap_ovr & 0x1)
3248 			port_swap = (port_swap_ovr & 0x2);
3249 		else
3250 			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3251 
3252 		if (port_swap)
3253 			port = port ^ 1;
3254 
3255 		lane = (port<<1) + path;
3256 	} else { /* Two port mode - no port swap */
3257 
3258 		/* Figure out path swap value */
3259 		path_swap_ovr =
3260 			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3261 		if (path_swap_ovr & 0x1) {
3262 			path_swap = (path_swap_ovr & 0x2);
3263 		} else {
3264 			path_swap =
3265 				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3266 		}
3267 		if (path_swap)
3268 			path = path ^ 1;
3269 
3270 		lane = path << 1 ;
3271 	}
3272 	return lane;
3273 }
3274 
3275 static void bnx2x_set_aer_mmd(struct link_params *params,
3276 			      struct bnx2x_phy *phy)
3277 {
3278 	u32 ser_lane;
3279 	u16 offset, aer_val;
3280 	struct bnx2x *bp = params->bp;
3281 	ser_lane = ((params->lane_config &
3282 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3283 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3284 
3285 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3286 		(phy->addr + ser_lane) : 0;
3287 
3288 	if (USES_WARPCORE(bp)) {
3289 		aer_val = bnx2x_get_warpcore_lane(phy, params);
3290 		/* In Dual-lane mode, two lanes are joined together,
3291 		 * so in order to configure them, the AER broadcast method is
3292 		 * used here.
3293 		 * 0x200 is the broadcast address for lanes 0,1
3294 		 * 0x201 is the broadcast address for lanes 2,3
3295 		 */
3296 		if (phy->flags & FLAGS_WC_DUAL_MODE)
3297 			aer_val = (aer_val >> 1) | 0x200;
3298 	} else if (CHIP_IS_E2(bp))
3299 		aer_val = 0x3800 + offset - 1;
3300 	else
3301 		aer_val = 0x3800 + offset;
3302 
3303 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3304 			  MDIO_AER_BLOCK_AER_REG, aer_val);
3305 
3306 }
3307 
3308 /******************************************************************/
3309 /*			Internal phy section			  */
3310 /******************************************************************/
3311 
3312 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3313 {
3314 	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3315 
3316 	/* Set Clause 22 */
3317 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3318 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3319 	udelay(500);
3320 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3321 	udelay(500);
3322 	 /* Set Clause 45 */
3323 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3324 }
3325 
3326 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3327 {
3328 	u32 val;
3329 
3330 	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3331 
3332 	val = SERDES_RESET_BITS << (port*16);
3333 
3334 	/* Reset and unreset the SerDes/XGXS */
3335 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3336 	udelay(500);
3337 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3338 
3339 	bnx2x_set_serdes_access(bp, port);
3340 
3341 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3342 	       DEFAULT_PHY_DEV_ADDR);
3343 }
3344 
3345 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3346 				     struct link_params *params,
3347 				     u32 action)
3348 {
3349 	struct bnx2x *bp = params->bp;
3350 	switch (action) {
3351 	case PHY_INIT:
3352 		/* Set correct devad */
3353 		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3354 		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3355 		       phy->def_md_devad);
3356 		break;
3357 	}
3358 }
3359 
3360 static void bnx2x_xgxs_deassert(struct link_params *params)
3361 {
3362 	struct bnx2x *bp = params->bp;
3363 	u8 port;
3364 	u32 val;
3365 	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3366 	port = params->port;
3367 
3368 	val = XGXS_RESET_BITS << (port*16);
3369 
3370 	/* Reset and unreset the SerDes/XGXS */
3371 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3372 	udelay(500);
3373 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3374 	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3375 				 PHY_INIT);
3376 }
3377 
3378 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3379 				     struct link_params *params, u16 *ieee_fc)
3380 {
3381 	struct bnx2x *bp = params->bp;
3382 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3383 	/* Resolve pause mode and advertisement Please refer to Table
3384 	 * 28B-3 of the 802.3ab-1999 spec
3385 	 */
3386 
3387 	switch (phy->req_flow_ctrl) {
3388 	case BNX2X_FLOW_CTRL_AUTO:
3389 		switch (params->req_fc_auto_adv) {
3390 		case BNX2X_FLOW_CTRL_BOTH:
3391 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3392 			break;
3393 		case BNX2X_FLOW_CTRL_RX:
3394 		case BNX2X_FLOW_CTRL_TX:
3395 			*ieee_fc |=
3396 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3397 			break;
3398 		default:
3399 			break;
3400 		}
3401 		break;
3402 	case BNX2X_FLOW_CTRL_TX:
3403 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3404 		break;
3405 
3406 	case BNX2X_FLOW_CTRL_RX:
3407 	case BNX2X_FLOW_CTRL_BOTH:
3408 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3409 		break;
3410 
3411 	case BNX2X_FLOW_CTRL_NONE:
3412 	default:
3413 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3414 		break;
3415 	}
3416 	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3417 }
3418 
3419 static void set_phy_vars(struct link_params *params,
3420 			 struct link_vars *vars)
3421 {
3422 	struct bnx2x *bp = params->bp;
3423 	u8 actual_phy_idx, phy_index, link_cfg_idx;
3424 	u8 phy_config_swapped = params->multi_phy_config &
3425 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3426 	for (phy_index = INT_PHY; phy_index < params->num_phys;
3427 	      phy_index++) {
3428 		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3429 		actual_phy_idx = phy_index;
3430 		if (phy_config_swapped) {
3431 			if (phy_index == EXT_PHY1)
3432 				actual_phy_idx = EXT_PHY2;
3433 			else if (phy_index == EXT_PHY2)
3434 				actual_phy_idx = EXT_PHY1;
3435 		}
3436 		params->phy[actual_phy_idx].req_flow_ctrl =
3437 			params->req_flow_ctrl[link_cfg_idx];
3438 
3439 		params->phy[actual_phy_idx].req_line_speed =
3440 			params->req_line_speed[link_cfg_idx];
3441 
3442 		params->phy[actual_phy_idx].speed_cap_mask =
3443 			params->speed_cap_mask[link_cfg_idx];
3444 
3445 		params->phy[actual_phy_idx].req_duplex =
3446 			params->req_duplex[link_cfg_idx];
3447 
3448 		if (params->req_line_speed[link_cfg_idx] ==
3449 		    SPEED_AUTO_NEG)
3450 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3451 
3452 		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3453 			   " speed_cap_mask %x\n",
3454 			   params->phy[actual_phy_idx].req_flow_ctrl,
3455 			   params->phy[actual_phy_idx].req_line_speed,
3456 			   params->phy[actual_phy_idx].speed_cap_mask);
3457 	}
3458 }
3459 
3460 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3461 				    struct bnx2x_phy *phy,
3462 				    struct link_vars *vars)
3463 {
3464 	u16 val;
3465 	struct bnx2x *bp = params->bp;
3466 	/* Read modify write pause advertizing */
3467 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3468 
3469 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3470 
3471 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3472 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3473 	if ((vars->ieee_fc &
3474 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3475 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3476 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3477 	}
3478 	if ((vars->ieee_fc &
3479 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3480 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3481 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3482 	}
3483 	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3484 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3485 }
3486 
3487 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3488 {						/*  LD	    LP	 */
3489 	switch (pause_result) {			/* ASYM P ASYM P */
3490 	case 0xb:				/*   1  0   1  1 */
3491 		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3492 		break;
3493 
3494 	case 0xe:				/*   1  1   1  0 */
3495 		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3496 		break;
3497 
3498 	case 0x5:				/*   0  1   0  1 */
3499 	case 0x7:				/*   0  1   1  1 */
3500 	case 0xd:				/*   1  1   0  1 */
3501 	case 0xf:				/*   1  1   1  1 */
3502 		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3503 		break;
3504 
3505 	default:
3506 		break;
3507 	}
3508 	if (pause_result & (1<<0))
3509 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3510 	if (pause_result & (1<<1))
3511 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3512 
3513 }
3514 
3515 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3516 					struct link_params *params,
3517 					struct link_vars *vars)
3518 {
3519 	u16 ld_pause;		/* local */
3520 	u16 lp_pause;		/* link partner */
3521 	u16 pause_result;
3522 	struct bnx2x *bp = params->bp;
3523 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3524 		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3525 		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3526 	} else if (CHIP_IS_E3(bp) &&
3527 		SINGLE_MEDIA_DIRECT(params)) {
3528 		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3529 		u16 gp_status, gp_mask;
3530 		bnx2x_cl45_read(bp, phy,
3531 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3532 				&gp_status);
3533 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3534 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3535 			lane;
3536 		if ((gp_status & gp_mask) == gp_mask) {
3537 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3538 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3539 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3540 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3541 		} else {
3542 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3543 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3544 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3545 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3546 			ld_pause = ((ld_pause &
3547 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3548 				    << 3);
3549 			lp_pause = ((lp_pause &
3550 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3551 				    << 3);
3552 		}
3553 	} else {
3554 		bnx2x_cl45_read(bp, phy,
3555 				MDIO_AN_DEVAD,
3556 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3557 		bnx2x_cl45_read(bp, phy,
3558 				MDIO_AN_DEVAD,
3559 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3560 	}
3561 	pause_result = (ld_pause &
3562 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3563 	pause_result |= (lp_pause &
3564 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3565 	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3566 	bnx2x_pause_resolve(vars, pause_result);
3567 
3568 }
3569 
3570 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3571 				   struct link_params *params,
3572 				   struct link_vars *vars)
3573 {
3574 	u8 ret = 0;
3575 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3576 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3577 		/* Update the advertised flow-controled of LD/LP in AN */
3578 		if (phy->req_line_speed == SPEED_AUTO_NEG)
3579 			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3580 		/* But set the flow-control result as the requested one */
3581 		vars->flow_ctrl = phy->req_flow_ctrl;
3582 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3583 		vars->flow_ctrl = params->req_fc_auto_adv;
3584 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3585 		ret = 1;
3586 		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3587 	}
3588 	return ret;
3589 }
3590 /******************************************************************/
3591 /*			Warpcore section			  */
3592 /******************************************************************/
3593 /* The init_internal_warpcore should mirror the xgxs,
3594  * i.e. reset the lane (if needed), set aer for the
3595  * init configuration, and set/clear SGMII flag. Internal
3596  * phy init is done purely in phy_init stage.
3597  */
3598 #define WC_TX_DRIVER(post2, idriver, ipre) \
3599 	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3600 	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3601 	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
3602 
3603 #define WC_TX_FIR(post, main, pre) \
3604 	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3605 	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3606 	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3607 
3608 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3609 					 struct link_params *params,
3610 					 struct link_vars *vars)
3611 {
3612 	struct bnx2x *bp = params->bp;
3613 	u16 i;
3614 	static struct bnx2x_reg_set reg_set[] = {
3615 		/* Step 1 - Program the TX/RX alignment markers */
3616 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3617 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3618 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3619 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3620 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3621 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3622 		/* Step 2 - Configure the NP registers */
3623 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3624 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3625 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3626 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3627 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3628 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3629 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3630 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3631 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3632 	};
3633 	DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3634 
3635 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3636 				 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3637 
3638 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3639 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3640 				 reg_set[i].val);
3641 
3642 	/* Start KR2 work-around timer which handles BCM8073 link-parner */
3643 	params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3644 	bnx2x_update_link_attr(params, params->link_attr_sync);
3645 }
3646 
3647 static void bnx2x_disable_kr2(struct link_params *params,
3648 			      struct link_vars *vars,
3649 			      struct bnx2x_phy *phy)
3650 {
3651 	struct bnx2x *bp = params->bp;
3652 	int i;
3653 	static struct bnx2x_reg_set reg_set[] = {
3654 		/* Step 1 - Program the TX/RX alignment markers */
3655 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3656 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3657 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3658 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3659 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3660 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3661 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3662 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3663 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3664 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3665 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3666 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3667 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3668 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3669 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3670 	};
3671 	DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3672 
3673 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3674 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3675 				 reg_set[i].val);
3676 	params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3677 	bnx2x_update_link_attr(params, params->link_attr_sync);
3678 
3679 	vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3680 }
3681 
3682 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3683 					       struct link_params *params)
3684 {
3685 	struct bnx2x *bp = params->bp;
3686 
3687 	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3688 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3689 			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3690 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3691 				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3692 }
3693 
3694 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3695 					 struct link_params *params)
3696 {
3697 	/* Restart autoneg on the leading lane only */
3698 	struct bnx2x *bp = params->bp;
3699 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
3700 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3701 			  MDIO_AER_BLOCK_AER_REG, lane);
3702 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3703 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3704 
3705 	/* Restore AER */
3706 	bnx2x_set_aer_mmd(params, phy);
3707 }
3708 
3709 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3710 					struct link_params *params,
3711 					struct link_vars *vars) {
3712 	u16 lane, i, cl72_ctrl, an_adv = 0, val;
3713 	u32 wc_lane_config;
3714 	struct bnx2x *bp = params->bp;
3715 	static struct bnx2x_reg_set reg_set[] = {
3716 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3717 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3718 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3719 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3720 		/* Disable Autoneg: re-enable it after adv is done. */
3721 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3722 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3723 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3724 	};
3725 	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3726 	/* Set to default registers that may be overriden by 10G force */
3727 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3728 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3729 				 reg_set[i].val);
3730 
3731 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3732 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3733 	cl72_ctrl &= 0x08ff;
3734 	cl72_ctrl |= 0x3800;
3735 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3736 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3737 
3738 	/* Check adding advertisement for 1G KX */
3739 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3740 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3741 	    (vars->line_speed == SPEED_1000)) {
3742 		u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3743 		an_adv |= (1<<5);
3744 
3745 		/* Enable CL37 1G Parallel Detect */
3746 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3747 		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3748 	}
3749 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3750 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3751 	    (vars->line_speed ==  SPEED_10000)) {
3752 		/* Check adding advertisement for 10G KR */
3753 		an_adv |= (1<<7);
3754 		/* Enable 10G Parallel Detect */
3755 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3756 				  MDIO_AER_BLOCK_AER_REG, 0);
3757 
3758 		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3759 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3760 		bnx2x_set_aer_mmd(params, phy);
3761 		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3762 	}
3763 
3764 	/* Set Transmit PMD settings */
3765 	lane = bnx2x_get_warpcore_lane(phy, params);
3766 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3767 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3768 			 WC_TX_DRIVER(0x02, 0x06, 0x09));
3769 	/* Configure the next lane if dual mode */
3770 	if (phy->flags & FLAGS_WC_DUAL_MODE)
3771 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3772 				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3773 				 WC_TX_DRIVER(0x02, 0x06, 0x09));
3774 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3775 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3776 			 0x03f0);
3777 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3778 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3779 			 0x03f0);
3780 
3781 	/* Advertised speeds */
3782 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3783 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3784 
3785 	/* Advertised and set FEC (Forward Error Correction) */
3786 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3787 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3788 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3789 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3790 
3791 	/* Enable CL37 BAM */
3792 	if (REG_RD(bp, params->shmem_base +
3793 		   offsetof(struct shmem_region, dev_info.
3794 			    port_hw_config[params->port].default_cfg)) &
3795 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3796 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3797 					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3798 					 1);
3799 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3800 	}
3801 
3802 	/* Advertise pause */
3803 	bnx2x_ext_phy_set_pause(params, phy, vars);
3804 	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3805 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3806 				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3807 
3808 	/* Over 1G - AN local device user page 1 */
3809 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3810 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3811 
3812 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3813 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3814 	    (phy->req_line_speed == SPEED_20000)) {
3815 
3816 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3817 				  MDIO_AER_BLOCK_AER_REG, lane);
3818 
3819 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3820 					 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3821 					 (1<<11));
3822 
3823 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3824 				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3825 		bnx2x_set_aer_mmd(params, phy);
3826 
3827 		bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3828 	} else {
3829 		/* Enable Auto-Detect to support 1G over CL37 as well */
3830 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3831 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3832 		wc_lane_config = REG_RD(bp, params->shmem_base +
3833 					offsetof(struct shmem_region, dev_info.
3834 					shared_hw_config.wc_lane_config));
3835 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3836 				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
3837 		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
3838 		 * parallel-detect loop when CL73 and CL37 are enabled.
3839 		 */
3840 		val |= 1 << 11;
3841 
3842 		/* Restore Polarity settings in case it was run over by
3843 		 * previous link owner
3844 		 */
3845 		if (wc_lane_config &
3846 		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
3847 			val |= 3 << 2;
3848 		else
3849 			val &= ~(3 << 2);
3850 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3851 				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
3852 				 val);
3853 
3854 		bnx2x_disable_kr2(params, vars, phy);
3855 	}
3856 
3857 	/* Enable Autoneg: only on the main lane */
3858 	bnx2x_warpcore_restart_AN_KR(phy, params);
3859 }
3860 
3861 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3862 				      struct link_params *params,
3863 				      struct link_vars *vars)
3864 {
3865 	struct bnx2x *bp = params->bp;
3866 	u16 val16, i, lane;
3867 	static struct bnx2x_reg_set reg_set[] = {
3868 		/* Disable Autoneg */
3869 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3870 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3871 			0x3f00},
3872 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3873 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3874 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3875 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3876 		/* Leave cl72 training enable, needed for KR */
3877 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3878 	};
3879 
3880 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3881 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3882 				 reg_set[i].val);
3883 
3884 	lane = bnx2x_get_warpcore_lane(phy, params);
3885 	/* Global registers */
3886 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3887 			  MDIO_AER_BLOCK_AER_REG, 0);
3888 	/* Disable CL36 PCS Tx */
3889 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3890 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3891 	val16 &= ~(0x0011 << lane);
3892 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3893 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3894 
3895 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3896 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3897 	val16 |= (0x0303 << (lane << 1));
3898 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3899 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3900 	/* Restore AER */
3901 	bnx2x_set_aer_mmd(params, phy);
3902 	/* Set speed via PMA/PMD register */
3903 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3904 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3905 
3906 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3907 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3908 
3909 	/* Enable encoded forced speed */
3910 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3911 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3912 
3913 	/* Turn TX scramble payload only the 64/66 scrambler */
3914 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3915 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3916 
3917 	/* Turn RX scramble payload only the 64/66 scrambler */
3918 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3919 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3920 
3921 	/* Set and clear loopback to cause a reset to 64/66 decoder */
3922 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3923 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3924 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3925 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3926 
3927 }
3928 
3929 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3930 				       struct link_params *params,
3931 				       u8 is_xfi)
3932 {
3933 	struct bnx2x *bp = params->bp;
3934 	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3935 	u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3936 
3937 	/* Hold rxSeqStart */
3938 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3939 				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3940 
3941 	/* Hold tx_fifo_reset */
3942 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3943 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3944 
3945 	/* Disable CL73 AN */
3946 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3947 
3948 	/* Disable 100FX Enable and Auto-Detect */
3949 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3950 				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3951 
3952 	/* Disable 100FX Idle detect */
3953 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3954 				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3955 
3956 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3957 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3958 				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3959 
3960 	/* Turn off auto-detect & fiber mode */
3961 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3962 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3963 				  0xFFEE);
3964 
3965 	/* Set filter_force_link, disable_false_link and parallel_detect */
3966 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3967 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3968 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3969 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3970 			 ((val | 0x0006) & 0xFFFE));
3971 
3972 	/* Set XFI / SFI */
3973 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3974 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3975 
3976 	misc1_val &= ~(0x1f);
3977 
3978 	if (is_xfi) {
3979 		misc1_val |= 0x5;
3980 		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
3981 		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
3982 	} else {
3983 		cfg_tap_val = REG_RD(bp, params->shmem_base +
3984 				     offsetof(struct shmem_region, dev_info.
3985 					      port_hw_config[params->port].
3986 					      sfi_tap_values));
3987 
3988 		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
3989 
3990 		tx_drv_brdct = (cfg_tap_val &
3991 				PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
3992 			       PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
3993 
3994 		misc1_val |= 0x9;
3995 
3996 		/* TAP values are controlled by nvram, if value there isn't 0 */
3997 		if (tx_equal)
3998 			tap_val = (u16)tx_equal;
3999 		else
4000 			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4001 
4002 		if (tx_drv_brdct)
4003 			tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
4004 						     0x06);
4005 		else
4006 			tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
4007 	}
4008 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4009 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4010 
4011 	/* Set Transmit PMD settings */
4012 	lane = bnx2x_get_warpcore_lane(phy, params);
4013 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4014 			 MDIO_WC_REG_TX_FIR_TAP,
4015 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4016 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4017 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4018 			 tx_driver_val);
4019 
4020 	/* Enable fiber mode, enable and invert sig_det */
4021 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4022 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4023 
4024 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4025 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4026 				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4027 
4028 	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4029 
4030 	/* 10G XFI Full Duplex */
4031 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4033 
4034 	/* Release tx_fifo_reset */
4035 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4036 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4037 				  0xFFFE);
4038 	/* Release rxSeqStart */
4039 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4040 				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4041 }
4042 
4043 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4044 					     struct link_params *params)
4045 {
4046 	u16 val;
4047 	struct bnx2x *bp = params->bp;
4048 	/* Set global registers, so set AER lane to 0 */
4049 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4050 			  MDIO_AER_BLOCK_AER_REG, 0);
4051 
4052 	/* Disable sequencer */
4053 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4054 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4055 
4056 	bnx2x_set_aer_mmd(params, phy);
4057 
4058 	bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4059 				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4060 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4061 			 MDIO_AN_REG_CTRL, 0);
4062 	/* Turn off CL73 */
4063 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4064 			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4065 	val &= ~(1<<5);
4066 	val |= (1<<6);
4067 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4068 			 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4069 
4070 	/* Set 20G KR2 force speed */
4071 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4072 				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4073 
4074 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4075 				 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4076 
4077 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4078 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4079 	val &= ~(3<<14);
4080 	val |= (1<<15);
4081 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4082 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4083 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4084 			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4085 
4086 	/* Enable sequencer (over lane 0) */
4087 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4088 			  MDIO_AER_BLOCK_AER_REG, 0);
4089 
4090 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4091 				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4092 
4093 	bnx2x_set_aer_mmd(params, phy);
4094 }
4095 
4096 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4097 					 struct bnx2x_phy *phy,
4098 					 u16 lane)
4099 {
4100 	/* Rx0 anaRxControl1G */
4101 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4102 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4103 
4104 	/* Rx2 anaRxControl1G */
4105 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4106 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4107 
4108 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4109 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4110 
4111 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4112 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4113 
4114 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4115 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4116 
4117 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4118 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4119 
4120 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4121 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4122 
4123 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4125 
4126 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4127 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4128 
4129 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4130 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4131 
4132 	/* Serdes Digital Misc1 */
4133 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4134 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4135 
4136 	/* Serdes Digital4 Misc3 */
4137 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4138 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4139 
4140 	/* Set Transmit PMD settings */
4141 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4142 			 MDIO_WC_REG_TX_FIR_TAP,
4143 			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4144 			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4145 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4146 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4147 			 WC_TX_DRIVER(0x02, 0x02, 0x02));
4148 }
4149 
4150 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4151 					   struct link_params *params,
4152 					   u8 fiber_mode,
4153 					   u8 always_autoneg)
4154 {
4155 	struct bnx2x *bp = params->bp;
4156 	u16 val16, digctrl_kx1, digctrl_kx2;
4157 
4158 	/* Clear XFI clock comp in non-10G single lane mode. */
4159 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4160 				  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4161 
4162 	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4163 
4164 	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4165 		/* SGMII Autoneg */
4166 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4167 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4168 					 0x1000);
4169 		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4170 	} else {
4171 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4172 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4173 		val16 &= 0xcebf;
4174 		switch (phy->req_line_speed) {
4175 		case SPEED_10:
4176 			break;
4177 		case SPEED_100:
4178 			val16 |= 0x2000;
4179 			break;
4180 		case SPEED_1000:
4181 			val16 |= 0x0040;
4182 			break;
4183 		default:
4184 			DP(NETIF_MSG_LINK,
4185 			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4186 			return;
4187 		}
4188 
4189 		if (phy->req_duplex == DUPLEX_FULL)
4190 			val16 |= 0x0100;
4191 
4192 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4193 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4194 
4195 		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4196 			       phy->req_line_speed);
4197 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4198 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4199 		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4200 	}
4201 
4202 	/* SGMII Slave mode and disable signal detect */
4203 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4204 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4205 	if (fiber_mode)
4206 		digctrl_kx1 = 1;
4207 	else
4208 		digctrl_kx1 &= 0xff4a;
4209 
4210 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4211 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4212 			digctrl_kx1);
4213 
4214 	/* Turn off parallel detect */
4215 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4216 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4217 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4218 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4219 			(digctrl_kx2 & ~(1<<2)));
4220 
4221 	/* Re-enable parallel detect */
4222 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4223 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4224 			(digctrl_kx2 | (1<<2)));
4225 
4226 	/* Enable autodet */
4227 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4228 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4229 			(digctrl_kx1 | 0x10));
4230 }
4231 
4232 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4233 				      struct bnx2x_phy *phy,
4234 				      u8 reset)
4235 {
4236 	u16 val;
4237 	/* Take lane out of reset after configuration is finished */
4238 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4239 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4240 	if (reset)
4241 		val |= 0xC000;
4242 	else
4243 		val &= 0x3FFF;
4244 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4245 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4246 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4247 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4248 }
4249 /* Clear SFI/XFI link settings registers */
4250 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4251 				      struct link_params *params,
4252 				      u16 lane)
4253 {
4254 	struct bnx2x *bp = params->bp;
4255 	u16 i;
4256 	static struct bnx2x_reg_set wc_regs[] = {
4257 		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4258 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4259 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4260 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4261 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4262 			0x0195},
4263 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4264 			0x0007},
4265 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4266 			0x0002},
4267 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4268 		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4269 		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4270 		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4271 	};
4272 	/* Set XFI clock comp as default. */
4273 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4274 				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4275 
4276 	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4277 		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4278 				 wc_regs[i].val);
4279 
4280 	lane = bnx2x_get_warpcore_lane(phy, params);
4281 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4282 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4283 
4284 }
4285 
4286 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4287 						u32 chip_id,
4288 						u32 shmem_base, u8 port,
4289 						u8 *gpio_num, u8 *gpio_port)
4290 {
4291 	u32 cfg_pin;
4292 	*gpio_num = 0;
4293 	*gpio_port = 0;
4294 	if (CHIP_IS_E3(bp)) {
4295 		cfg_pin = (REG_RD(bp, shmem_base +
4296 				offsetof(struct shmem_region,
4297 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4298 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4299 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4300 
4301 		/* Should not happen. This function called upon interrupt
4302 		 * triggered by GPIO ( since EPIO can only generate interrupts
4303 		 * to MCP).
4304 		 * So if this function was called and none of the GPIOs was set,
4305 		 * it means the shit hit the fan.
4306 		 */
4307 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4308 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4309 			DP(NETIF_MSG_LINK,
4310 			   "No cfg pin %x for module detect indication\n",
4311 			   cfg_pin);
4312 			return -EINVAL;
4313 		}
4314 
4315 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4316 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4317 	} else {
4318 		*gpio_num = MISC_REGISTERS_GPIO_3;
4319 		*gpio_port = port;
4320 	}
4321 
4322 	return 0;
4323 }
4324 
4325 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4326 				       struct link_params *params)
4327 {
4328 	struct bnx2x *bp = params->bp;
4329 	u8 gpio_num, gpio_port;
4330 	u32 gpio_val;
4331 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4332 				      params->shmem_base, params->port,
4333 				      &gpio_num, &gpio_port) != 0)
4334 		return 0;
4335 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4336 
4337 	/* Call the handling function in case module is detected */
4338 	if (gpio_val == 0)
4339 		return 1;
4340 	else
4341 		return 0;
4342 }
4343 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4344 				     struct link_params *params)
4345 {
4346 	u16 gp2_status_reg0, lane;
4347 	struct bnx2x *bp = params->bp;
4348 
4349 	lane = bnx2x_get_warpcore_lane(phy, params);
4350 
4351 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4352 				 &gp2_status_reg0);
4353 
4354 	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4355 }
4356 
4357 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4358 					  struct link_params *params,
4359 					  struct link_vars *vars)
4360 {
4361 	struct bnx2x *bp = params->bp;
4362 	u32 serdes_net_if;
4363 	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4364 
4365 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4366 
4367 	if (!vars->turn_to_run_wc_rt)
4368 		return;
4369 
4370 	if (vars->rx_tx_asic_rst) {
4371 		u16 lane = bnx2x_get_warpcore_lane(phy, params);
4372 		serdes_net_if = (REG_RD(bp, params->shmem_base +
4373 				offsetof(struct shmem_region, dev_info.
4374 				port_hw_config[params->port].default_cfg)) &
4375 				PORT_HW_CFG_NET_SERDES_IF_MASK);
4376 
4377 		switch (serdes_net_if) {
4378 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4379 			/* Do we get link yet? */
4380 			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4381 					&gp_status1);
4382 			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4383 				/*10G KR*/
4384 			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4385 
4386 			if (lnkup_kr || lnkup) {
4387 				vars->rx_tx_asic_rst = 0;
4388 			} else {
4389 				/* Reset the lane to see if link comes up.*/
4390 				bnx2x_warpcore_reset_lane(bp, phy, 1);
4391 				bnx2x_warpcore_reset_lane(bp, phy, 0);
4392 
4393 				/* Restart Autoneg */
4394 				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4395 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4396 
4397 				vars->rx_tx_asic_rst--;
4398 				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4399 				vars->rx_tx_asic_rst);
4400 			}
4401 			break;
4402 
4403 		default:
4404 			break;
4405 		}
4406 
4407 	} /*params->rx_tx_asic_rst*/
4408 
4409 }
4410 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4411 				      struct link_params *params)
4412 {
4413 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4414 	struct bnx2x *bp = params->bp;
4415 	bnx2x_warpcore_clear_regs(phy, params, lane);
4416 	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4417 	     SPEED_10000) &&
4418 	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4419 		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4420 		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4421 	} else {
4422 		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4423 		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4424 	}
4425 }
4426 
4427 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4428 					 struct bnx2x_phy *phy,
4429 					 u8 tx_en)
4430 {
4431 	struct bnx2x *bp = params->bp;
4432 	u32 cfg_pin;
4433 	u8 port = params->port;
4434 
4435 	cfg_pin = REG_RD(bp, params->shmem_base +
4436 			 offsetof(struct shmem_region,
4437 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4438 		PORT_HW_CFG_E3_TX_LASER_MASK;
4439 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4440 	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4441 
4442 	/* For 20G, the expected pin to be used is 3 pins after the current */
4443 	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4444 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4445 		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4446 }
4447 
4448 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4449 				       struct link_params *params,
4450 				       struct link_vars *vars)
4451 {
4452 	struct bnx2x *bp = params->bp;
4453 	u32 serdes_net_if;
4454 	u8 fiber_mode;
4455 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4456 	serdes_net_if = (REG_RD(bp, params->shmem_base +
4457 			 offsetof(struct shmem_region, dev_info.
4458 				  port_hw_config[params->port].default_cfg)) &
4459 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4460 	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4461 			   "serdes_net_if = 0x%x\n",
4462 		       vars->line_speed, serdes_net_if);
4463 	bnx2x_set_aer_mmd(params, phy);
4464 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4465 	vars->phy_flags |= PHY_XGXS_FLAG;
4466 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4467 	    (phy->req_line_speed &&
4468 	     ((phy->req_line_speed == SPEED_100) ||
4469 	      (phy->req_line_speed == SPEED_10)))) {
4470 		vars->phy_flags |= PHY_SGMII_FLAG;
4471 		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4472 		bnx2x_warpcore_clear_regs(phy, params, lane);
4473 		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4474 	} else {
4475 		switch (serdes_net_if) {
4476 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4477 			/* Enable KR Auto Neg */
4478 			if (params->loopback_mode != LOOPBACK_EXT)
4479 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4480 			else {
4481 				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4482 				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4483 			}
4484 			break;
4485 
4486 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4487 			bnx2x_warpcore_clear_regs(phy, params, lane);
4488 			if (vars->line_speed == SPEED_10000) {
4489 				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4490 				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4491 			} else {
4492 				if (SINGLE_MEDIA_DIRECT(params)) {
4493 					DP(NETIF_MSG_LINK, "1G Fiber\n");
4494 					fiber_mode = 1;
4495 				} else {
4496 					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4497 					fiber_mode = 0;
4498 				}
4499 				bnx2x_warpcore_set_sgmii_speed(phy,
4500 								params,
4501 								fiber_mode,
4502 								0);
4503 			}
4504 
4505 			break;
4506 
4507 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4508 			/* Issue Module detection if module is plugged, or
4509 			 * enabled transmitter to avoid current leakage in case
4510 			 * no module is connected
4511 			 */
4512 			if ((params->loopback_mode == LOOPBACK_NONE) ||
4513 			    (params->loopback_mode == LOOPBACK_EXT)) {
4514 				if (bnx2x_is_sfp_module_plugged(phy, params))
4515 					bnx2x_sfp_module_detection(phy, params);
4516 				else
4517 					bnx2x_sfp_e3_set_transmitter(params,
4518 								     phy, 1);
4519 			}
4520 
4521 			bnx2x_warpcore_config_sfi(phy, params);
4522 			break;
4523 
4524 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4525 			if (vars->line_speed != SPEED_20000) {
4526 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4527 				return;
4528 			}
4529 			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4530 			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4531 			/* Issue Module detection */
4532 
4533 			bnx2x_sfp_module_detection(phy, params);
4534 			break;
4535 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4536 			if (!params->loopback_mode) {
4537 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4538 			} else {
4539 				DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4540 				bnx2x_warpcore_set_20G_force_KR2(phy, params);
4541 			}
4542 			break;
4543 		default:
4544 			DP(NETIF_MSG_LINK,
4545 			   "Unsupported Serdes Net Interface 0x%x\n",
4546 			   serdes_net_if);
4547 			return;
4548 		}
4549 	}
4550 
4551 	/* Take lane out of reset after configuration is finished */
4552 	bnx2x_warpcore_reset_lane(bp, phy, 0);
4553 	DP(NETIF_MSG_LINK, "Exit config init\n");
4554 }
4555 
4556 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4557 				      struct link_params *params)
4558 {
4559 	struct bnx2x *bp = params->bp;
4560 	u16 val16, lane;
4561 	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4562 	bnx2x_set_mdio_emac_per_phy(bp, params);
4563 	bnx2x_set_aer_mmd(params, phy);
4564 	/* Global register */
4565 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4566 
4567 	/* Clear loopback settings (if any) */
4568 	/* 10G & 20G */
4569 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4570 				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4571 
4572 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4573 				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4574 
4575 	/* Update those 1-copy registers */
4576 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4577 			  MDIO_AER_BLOCK_AER_REG, 0);
4578 	/* Enable 1G MDIO (1-copy) */
4579 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4580 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4581 				  ~0x10);
4582 
4583 	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4584 				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4585 	lane = bnx2x_get_warpcore_lane(phy, params);
4586 	/* Disable CL36 PCS Tx */
4587 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4588 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4589 	val16 |= (0x11 << lane);
4590 	if (phy->flags & FLAGS_WC_DUAL_MODE)
4591 		val16 |= (0x22 << lane);
4592 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4593 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4594 
4595 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4596 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4597 	val16 &= ~(0x0303 << (lane << 1));
4598 	val16 |= (0x0101 << (lane << 1));
4599 	if (phy->flags & FLAGS_WC_DUAL_MODE) {
4600 		val16 &= ~(0x0c0c << (lane << 1));
4601 		val16 |= (0x0404 << (lane << 1));
4602 	}
4603 
4604 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4605 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4606 	/* Restore AER */
4607 	bnx2x_set_aer_mmd(params, phy);
4608 
4609 }
4610 
4611 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4612 					struct link_params *params)
4613 {
4614 	struct bnx2x *bp = params->bp;
4615 	u16 val16;
4616 	u32 lane;
4617 	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4618 		       params->loopback_mode, phy->req_line_speed);
4619 
4620 	if (phy->req_line_speed < SPEED_10000 ||
4621 	    phy->supported & SUPPORTED_20000baseKR2_Full) {
4622 		/* 10/100/1000/20G-KR2 */
4623 
4624 		/* Update those 1-copy registers */
4625 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4626 				  MDIO_AER_BLOCK_AER_REG, 0);
4627 		/* Enable 1G MDIO (1-copy) */
4628 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4629 					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4630 					 0x10);
4631 		/* Set 1G loopback based on lane (1-copy) */
4632 		lane = bnx2x_get_warpcore_lane(phy, params);
4633 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4634 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4635 		val16 |= (1<<lane);
4636 		if (phy->flags & FLAGS_WC_DUAL_MODE)
4637 			val16 |= (2<<lane);
4638 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4639 				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4640 				 val16);
4641 
4642 		/* Switch back to 4-copy registers */
4643 		bnx2x_set_aer_mmd(params, phy);
4644 	} else {
4645 		/* 10G / 20G-DXGXS */
4646 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4647 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4648 					 0x4000);
4649 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4650 					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4651 	}
4652 }
4653 
4654 
4655 
4656 static void bnx2x_sync_link(struct link_params *params,
4657 			     struct link_vars *vars)
4658 {
4659 	struct bnx2x *bp = params->bp;
4660 	u8 link_10g_plus;
4661 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4662 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4663 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4664 	if (vars->link_up) {
4665 		DP(NETIF_MSG_LINK, "phy link up\n");
4666 
4667 		vars->phy_link_up = 1;
4668 		vars->duplex = DUPLEX_FULL;
4669 		switch (vars->link_status &
4670 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4671 		case LINK_10THD:
4672 			vars->duplex = DUPLEX_HALF;
4673 			/* Fall thru */
4674 		case LINK_10TFD:
4675 			vars->line_speed = SPEED_10;
4676 			break;
4677 
4678 		case LINK_100TXHD:
4679 			vars->duplex = DUPLEX_HALF;
4680 			/* Fall thru */
4681 		case LINK_100T4:
4682 		case LINK_100TXFD:
4683 			vars->line_speed = SPEED_100;
4684 			break;
4685 
4686 		case LINK_1000THD:
4687 			vars->duplex = DUPLEX_HALF;
4688 			/* Fall thru */
4689 		case LINK_1000TFD:
4690 			vars->line_speed = SPEED_1000;
4691 			break;
4692 
4693 		case LINK_2500THD:
4694 			vars->duplex = DUPLEX_HALF;
4695 			/* Fall thru */
4696 		case LINK_2500TFD:
4697 			vars->line_speed = SPEED_2500;
4698 			break;
4699 
4700 		case LINK_10GTFD:
4701 			vars->line_speed = SPEED_10000;
4702 			break;
4703 		case LINK_20GTFD:
4704 			vars->line_speed = SPEED_20000;
4705 			break;
4706 		default:
4707 			break;
4708 		}
4709 		vars->flow_ctrl = 0;
4710 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4711 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4712 
4713 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4714 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4715 
4716 		if (!vars->flow_ctrl)
4717 			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4718 
4719 		if (vars->line_speed &&
4720 		    ((vars->line_speed == SPEED_10) ||
4721 		     (vars->line_speed == SPEED_100))) {
4722 			vars->phy_flags |= PHY_SGMII_FLAG;
4723 		} else {
4724 			vars->phy_flags &= ~PHY_SGMII_FLAG;
4725 		}
4726 		if (vars->line_speed &&
4727 		    USES_WARPCORE(bp) &&
4728 		    (vars->line_speed == SPEED_1000))
4729 			vars->phy_flags |= PHY_SGMII_FLAG;
4730 		/* Anything 10 and over uses the bmac */
4731 		link_10g_plus = (vars->line_speed >= SPEED_10000);
4732 
4733 		if (link_10g_plus) {
4734 			if (USES_WARPCORE(bp))
4735 				vars->mac_type = MAC_TYPE_XMAC;
4736 			else
4737 				vars->mac_type = MAC_TYPE_BMAC;
4738 		} else {
4739 			if (USES_WARPCORE(bp))
4740 				vars->mac_type = MAC_TYPE_UMAC;
4741 			else
4742 				vars->mac_type = MAC_TYPE_EMAC;
4743 		}
4744 	} else { /* Link down */
4745 		DP(NETIF_MSG_LINK, "phy link down\n");
4746 
4747 		vars->phy_link_up = 0;
4748 
4749 		vars->line_speed = 0;
4750 		vars->duplex = DUPLEX_FULL;
4751 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4752 
4753 		/* Indicate no mac active */
4754 		vars->mac_type = MAC_TYPE_NONE;
4755 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4756 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4757 		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4758 			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4759 	}
4760 }
4761 
4762 void bnx2x_link_status_update(struct link_params *params,
4763 			      struct link_vars *vars)
4764 {
4765 	struct bnx2x *bp = params->bp;
4766 	u8 port = params->port;
4767 	u32 sync_offset, media_types;
4768 	/* Update PHY configuration */
4769 	set_phy_vars(params, vars);
4770 
4771 	vars->link_status = REG_RD(bp, params->shmem_base +
4772 				   offsetof(struct shmem_region,
4773 					    port_mb[port].link_status));
4774 
4775 	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4776 	if (params->loopback_mode != LOOPBACK_NONE &&
4777 	    params->loopback_mode != LOOPBACK_EXT)
4778 		vars->link_status |= LINK_STATUS_LINK_UP;
4779 
4780 	if (bnx2x_eee_has_cap(params))
4781 		vars->eee_status = REG_RD(bp, params->shmem2_base +
4782 					  offsetof(struct shmem2_region,
4783 						   eee_status[params->port]));
4784 
4785 	vars->phy_flags = PHY_XGXS_FLAG;
4786 	bnx2x_sync_link(params, vars);
4787 	/* Sync media type */
4788 	sync_offset = params->shmem_base +
4789 			offsetof(struct shmem_region,
4790 				 dev_info.port_hw_config[port].media_type);
4791 	media_types = REG_RD(bp, sync_offset);
4792 
4793 	params->phy[INT_PHY].media_type =
4794 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4795 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4796 	params->phy[EXT_PHY1].media_type =
4797 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4798 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4799 	params->phy[EXT_PHY2].media_type =
4800 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4801 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4802 	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4803 
4804 	/* Sync AEU offset */
4805 	sync_offset = params->shmem_base +
4806 			offsetof(struct shmem_region,
4807 				 dev_info.port_hw_config[port].aeu_int_mask);
4808 
4809 	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4810 
4811 	/* Sync PFC status */
4812 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4813 		params->feature_config_flags |=
4814 					FEATURE_CONFIG_PFC_ENABLED;
4815 	else
4816 		params->feature_config_flags &=
4817 					~FEATURE_CONFIG_PFC_ENABLED;
4818 
4819 	if (SHMEM2_HAS(bp, link_attr_sync))
4820 		params->link_attr_sync = SHMEM2_RD(bp,
4821 						 link_attr_sync[params->port]);
4822 
4823 	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4824 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4825 	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4826 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4827 }
4828 
4829 static void bnx2x_set_master_ln(struct link_params *params,
4830 				struct bnx2x_phy *phy)
4831 {
4832 	struct bnx2x *bp = params->bp;
4833 	u16 new_master_ln, ser_lane;
4834 	ser_lane = ((params->lane_config &
4835 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4836 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4837 
4838 	/* Set the master_ln for AN */
4839 	CL22_RD_OVER_CL45(bp, phy,
4840 			  MDIO_REG_BANK_XGXS_BLOCK2,
4841 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4842 			  &new_master_ln);
4843 
4844 	CL22_WR_OVER_CL45(bp, phy,
4845 			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4846 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4847 			  (new_master_ln | ser_lane));
4848 }
4849 
4850 static int bnx2x_reset_unicore(struct link_params *params,
4851 			       struct bnx2x_phy *phy,
4852 			       u8 set_serdes)
4853 {
4854 	struct bnx2x *bp = params->bp;
4855 	u16 mii_control;
4856 	u16 i;
4857 	CL22_RD_OVER_CL45(bp, phy,
4858 			  MDIO_REG_BANK_COMBO_IEEE0,
4859 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4860 
4861 	/* Reset the unicore */
4862 	CL22_WR_OVER_CL45(bp, phy,
4863 			  MDIO_REG_BANK_COMBO_IEEE0,
4864 			  MDIO_COMBO_IEEE0_MII_CONTROL,
4865 			  (mii_control |
4866 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4867 	if (set_serdes)
4868 		bnx2x_set_serdes_access(bp, params->port);
4869 
4870 	/* Wait for the reset to self clear */
4871 	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4872 		udelay(5);
4873 
4874 		/* The reset erased the previous bank value */
4875 		CL22_RD_OVER_CL45(bp, phy,
4876 				  MDIO_REG_BANK_COMBO_IEEE0,
4877 				  MDIO_COMBO_IEEE0_MII_CONTROL,
4878 				  &mii_control);
4879 
4880 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4881 			udelay(5);
4882 			return 0;
4883 		}
4884 	}
4885 
4886 	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4887 			      " Port %d\n",
4888 			 params->port);
4889 	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4890 	return -EINVAL;
4891 
4892 }
4893 
4894 static void bnx2x_set_swap_lanes(struct link_params *params,
4895 				 struct bnx2x_phy *phy)
4896 {
4897 	struct bnx2x *bp = params->bp;
4898 	/* Each two bits represents a lane number:
4899 	 * No swap is 0123 => 0x1b no need to enable the swap
4900 	 */
4901 	u16 rx_lane_swap, tx_lane_swap;
4902 
4903 	rx_lane_swap = ((params->lane_config &
4904 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4905 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4906 	tx_lane_swap = ((params->lane_config &
4907 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4908 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4909 
4910 	if (rx_lane_swap != 0x1b) {
4911 		CL22_WR_OVER_CL45(bp, phy,
4912 				  MDIO_REG_BANK_XGXS_BLOCK2,
4913 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4914 				  (rx_lane_swap |
4915 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4916 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4917 	} else {
4918 		CL22_WR_OVER_CL45(bp, phy,
4919 				  MDIO_REG_BANK_XGXS_BLOCK2,
4920 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4921 	}
4922 
4923 	if (tx_lane_swap != 0x1b) {
4924 		CL22_WR_OVER_CL45(bp, phy,
4925 				  MDIO_REG_BANK_XGXS_BLOCK2,
4926 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4927 				  (tx_lane_swap |
4928 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4929 	} else {
4930 		CL22_WR_OVER_CL45(bp, phy,
4931 				  MDIO_REG_BANK_XGXS_BLOCK2,
4932 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4933 	}
4934 }
4935 
4936 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4937 					 struct link_params *params)
4938 {
4939 	struct bnx2x *bp = params->bp;
4940 	u16 control2;
4941 	CL22_RD_OVER_CL45(bp, phy,
4942 			  MDIO_REG_BANK_SERDES_DIGITAL,
4943 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4944 			  &control2);
4945 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4946 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4947 	else
4948 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4949 	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4950 		phy->speed_cap_mask, control2);
4951 	CL22_WR_OVER_CL45(bp, phy,
4952 			  MDIO_REG_BANK_SERDES_DIGITAL,
4953 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4954 			  control2);
4955 
4956 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4957 	     (phy->speed_cap_mask &
4958 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4959 		DP(NETIF_MSG_LINK, "XGXS\n");
4960 
4961 		CL22_WR_OVER_CL45(bp, phy,
4962 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4963 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4964 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4965 
4966 		CL22_RD_OVER_CL45(bp, phy,
4967 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4968 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4969 				  &control2);
4970 
4971 
4972 		control2 |=
4973 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4974 
4975 		CL22_WR_OVER_CL45(bp, phy,
4976 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4977 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4978 				  control2);
4979 
4980 		/* Disable parallel detection of HiG */
4981 		CL22_WR_OVER_CL45(bp, phy,
4982 				  MDIO_REG_BANK_XGXS_BLOCK2,
4983 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4984 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4985 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4986 	}
4987 }
4988 
4989 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4990 			      struct link_params *params,
4991 			      struct link_vars *vars,
4992 			      u8 enable_cl73)
4993 {
4994 	struct bnx2x *bp = params->bp;
4995 	u16 reg_val;
4996 
4997 	/* CL37 Autoneg */
4998 	CL22_RD_OVER_CL45(bp, phy,
4999 			  MDIO_REG_BANK_COMBO_IEEE0,
5000 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5001 
5002 	/* CL37 Autoneg Enabled */
5003 	if (vars->line_speed == SPEED_AUTO_NEG)
5004 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5005 	else /* CL37 Autoneg Disabled */
5006 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5007 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5008 
5009 	CL22_WR_OVER_CL45(bp, phy,
5010 			  MDIO_REG_BANK_COMBO_IEEE0,
5011 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5012 
5013 	/* Enable/Disable Autodetection */
5014 
5015 	CL22_RD_OVER_CL45(bp, phy,
5016 			  MDIO_REG_BANK_SERDES_DIGITAL,
5017 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5018 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5019 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5020 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5021 	if (vars->line_speed == SPEED_AUTO_NEG)
5022 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5023 	else
5024 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5025 
5026 	CL22_WR_OVER_CL45(bp, phy,
5027 			  MDIO_REG_BANK_SERDES_DIGITAL,
5028 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5029 
5030 	/* Enable TetonII and BAM autoneg */
5031 	CL22_RD_OVER_CL45(bp, phy,
5032 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5033 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5034 			  &reg_val);
5035 	if (vars->line_speed == SPEED_AUTO_NEG) {
5036 		/* Enable BAM aneg Mode and TetonII aneg Mode */
5037 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5038 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5039 	} else {
5040 		/* TetonII and BAM Autoneg Disabled */
5041 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5042 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5043 	}
5044 	CL22_WR_OVER_CL45(bp, phy,
5045 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5046 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5047 			  reg_val);
5048 
5049 	if (enable_cl73) {
5050 		/* Enable Cl73 FSM status bits */
5051 		CL22_WR_OVER_CL45(bp, phy,
5052 				  MDIO_REG_BANK_CL73_USERB0,
5053 				  MDIO_CL73_USERB0_CL73_UCTRL,
5054 				  0xe);
5055 
5056 		/* Enable BAM Station Manager*/
5057 		CL22_WR_OVER_CL45(bp, phy,
5058 			MDIO_REG_BANK_CL73_USERB0,
5059 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5060 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5061 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5062 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5063 
5064 		/* Advertise CL73 link speeds */
5065 		CL22_RD_OVER_CL45(bp, phy,
5066 				  MDIO_REG_BANK_CL73_IEEEB1,
5067 				  MDIO_CL73_IEEEB1_AN_ADV2,
5068 				  &reg_val);
5069 		if (phy->speed_cap_mask &
5070 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5071 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5072 		if (phy->speed_cap_mask &
5073 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5074 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5075 
5076 		CL22_WR_OVER_CL45(bp, phy,
5077 				  MDIO_REG_BANK_CL73_IEEEB1,
5078 				  MDIO_CL73_IEEEB1_AN_ADV2,
5079 				  reg_val);
5080 
5081 		/* CL73 Autoneg Enabled */
5082 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5083 
5084 	} else /* CL73 Autoneg Disabled */
5085 		reg_val = 0;
5086 
5087 	CL22_WR_OVER_CL45(bp, phy,
5088 			  MDIO_REG_BANK_CL73_IEEEB0,
5089 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5090 }
5091 
5092 /* Program SerDes, forced speed */
5093 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5094 				 struct link_params *params,
5095 				 struct link_vars *vars)
5096 {
5097 	struct bnx2x *bp = params->bp;
5098 	u16 reg_val;
5099 
5100 	/* Program duplex, disable autoneg and sgmii*/
5101 	CL22_RD_OVER_CL45(bp, phy,
5102 			  MDIO_REG_BANK_COMBO_IEEE0,
5103 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5104 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5105 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5106 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5107 	if (phy->req_duplex == DUPLEX_FULL)
5108 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5109 	CL22_WR_OVER_CL45(bp, phy,
5110 			  MDIO_REG_BANK_COMBO_IEEE0,
5111 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5112 
5113 	/* Program speed
5114 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5115 	 */
5116 	CL22_RD_OVER_CL45(bp, phy,
5117 			  MDIO_REG_BANK_SERDES_DIGITAL,
5118 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5119 	/* Clearing the speed value before setting the right speed */
5120 	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5121 
5122 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5123 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5124 
5125 	if (!((vars->line_speed == SPEED_1000) ||
5126 	      (vars->line_speed == SPEED_100) ||
5127 	      (vars->line_speed == SPEED_10))) {
5128 
5129 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5130 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5131 		if (vars->line_speed == SPEED_10000)
5132 			reg_val |=
5133 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5134 	}
5135 
5136 	CL22_WR_OVER_CL45(bp, phy,
5137 			  MDIO_REG_BANK_SERDES_DIGITAL,
5138 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5139 
5140 }
5141 
5142 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5143 					      struct link_params *params)
5144 {
5145 	struct bnx2x *bp = params->bp;
5146 	u16 val = 0;
5147 
5148 	/* Set extended capabilities */
5149 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5150 		val |= MDIO_OVER_1G_UP1_2_5G;
5151 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5152 		val |= MDIO_OVER_1G_UP1_10G;
5153 	CL22_WR_OVER_CL45(bp, phy,
5154 			  MDIO_REG_BANK_OVER_1G,
5155 			  MDIO_OVER_1G_UP1, val);
5156 
5157 	CL22_WR_OVER_CL45(bp, phy,
5158 			  MDIO_REG_BANK_OVER_1G,
5159 			  MDIO_OVER_1G_UP3, 0x400);
5160 }
5161 
5162 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5163 					      struct link_params *params,
5164 					      u16 ieee_fc)
5165 {
5166 	struct bnx2x *bp = params->bp;
5167 	u16 val;
5168 	/* For AN, we are always publishing full duplex */
5169 
5170 	CL22_WR_OVER_CL45(bp, phy,
5171 			  MDIO_REG_BANK_COMBO_IEEE0,
5172 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5173 	CL22_RD_OVER_CL45(bp, phy,
5174 			  MDIO_REG_BANK_CL73_IEEEB1,
5175 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5176 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5177 	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5178 	CL22_WR_OVER_CL45(bp, phy,
5179 			  MDIO_REG_BANK_CL73_IEEEB1,
5180 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5181 }
5182 
5183 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5184 				  struct link_params *params,
5185 				  u8 enable_cl73)
5186 {
5187 	struct bnx2x *bp = params->bp;
5188 	u16 mii_control;
5189 
5190 	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5191 	/* Enable and restart BAM/CL37 aneg */
5192 
5193 	if (enable_cl73) {
5194 		CL22_RD_OVER_CL45(bp, phy,
5195 				  MDIO_REG_BANK_CL73_IEEEB0,
5196 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5197 				  &mii_control);
5198 
5199 		CL22_WR_OVER_CL45(bp, phy,
5200 				  MDIO_REG_BANK_CL73_IEEEB0,
5201 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5202 				  (mii_control |
5203 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5204 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5205 	} else {
5206 
5207 		CL22_RD_OVER_CL45(bp, phy,
5208 				  MDIO_REG_BANK_COMBO_IEEE0,
5209 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5210 				  &mii_control);
5211 		DP(NETIF_MSG_LINK,
5212 			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5213 			 mii_control);
5214 		CL22_WR_OVER_CL45(bp, phy,
5215 				  MDIO_REG_BANK_COMBO_IEEE0,
5216 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5217 				  (mii_control |
5218 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5219 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5220 	}
5221 }
5222 
5223 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5224 					   struct link_params *params,
5225 					   struct link_vars *vars)
5226 {
5227 	struct bnx2x *bp = params->bp;
5228 	u16 control1;
5229 
5230 	/* In SGMII mode, the unicore is always slave */
5231 
5232 	CL22_RD_OVER_CL45(bp, phy,
5233 			  MDIO_REG_BANK_SERDES_DIGITAL,
5234 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5235 			  &control1);
5236 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5237 	/* Set sgmii mode (and not fiber) */
5238 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5239 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5240 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5241 	CL22_WR_OVER_CL45(bp, phy,
5242 			  MDIO_REG_BANK_SERDES_DIGITAL,
5243 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5244 			  control1);
5245 
5246 	/* If forced speed */
5247 	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5248 		/* Set speed, disable autoneg */
5249 		u16 mii_control;
5250 
5251 		CL22_RD_OVER_CL45(bp, phy,
5252 				  MDIO_REG_BANK_COMBO_IEEE0,
5253 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5254 				  &mii_control);
5255 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5256 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5257 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5258 
5259 		switch (vars->line_speed) {
5260 		case SPEED_100:
5261 			mii_control |=
5262 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5263 			break;
5264 		case SPEED_1000:
5265 			mii_control |=
5266 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5267 			break;
5268 		case SPEED_10:
5269 			/* There is nothing to set for 10M */
5270 			break;
5271 		default:
5272 			/* Invalid speed for SGMII */
5273 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5274 				  vars->line_speed);
5275 			break;
5276 		}
5277 
5278 		/* Setting the full duplex */
5279 		if (phy->req_duplex == DUPLEX_FULL)
5280 			mii_control |=
5281 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5282 		CL22_WR_OVER_CL45(bp, phy,
5283 				  MDIO_REG_BANK_COMBO_IEEE0,
5284 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5285 				  mii_control);
5286 
5287 	} else { /* AN mode */
5288 		/* Enable and restart AN */
5289 		bnx2x_restart_autoneg(phy, params, 0);
5290 	}
5291 }
5292 
5293 /* Link management
5294  */
5295 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5296 					     struct link_params *params)
5297 {
5298 	struct bnx2x *bp = params->bp;
5299 	u16 pd_10g, status2_1000x;
5300 	if (phy->req_line_speed != SPEED_AUTO_NEG)
5301 		return 0;
5302 	CL22_RD_OVER_CL45(bp, phy,
5303 			  MDIO_REG_BANK_SERDES_DIGITAL,
5304 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5305 			  &status2_1000x);
5306 	CL22_RD_OVER_CL45(bp, phy,
5307 			  MDIO_REG_BANK_SERDES_DIGITAL,
5308 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5309 			  &status2_1000x);
5310 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5311 		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5312 			 params->port);
5313 		return 1;
5314 	}
5315 
5316 	CL22_RD_OVER_CL45(bp, phy,
5317 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5318 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5319 			  &pd_10g);
5320 
5321 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5322 		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5323 			 params->port);
5324 		return 1;
5325 	}
5326 	return 0;
5327 }
5328 
5329 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5330 				struct link_params *params,
5331 				struct link_vars *vars,
5332 				u32 gp_status)
5333 {
5334 	u16 ld_pause;   /* local driver */
5335 	u16 lp_pause;   /* link partner */
5336 	u16 pause_result;
5337 	struct bnx2x *bp = params->bp;
5338 	if ((gp_status &
5339 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5340 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5341 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5342 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5343 
5344 		CL22_RD_OVER_CL45(bp, phy,
5345 				  MDIO_REG_BANK_CL73_IEEEB1,
5346 				  MDIO_CL73_IEEEB1_AN_ADV1,
5347 				  &ld_pause);
5348 		CL22_RD_OVER_CL45(bp, phy,
5349 				  MDIO_REG_BANK_CL73_IEEEB1,
5350 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5351 				  &lp_pause);
5352 		pause_result = (ld_pause &
5353 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5354 		pause_result |= (lp_pause &
5355 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5356 		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5357 	} else {
5358 		CL22_RD_OVER_CL45(bp, phy,
5359 				  MDIO_REG_BANK_COMBO_IEEE0,
5360 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5361 				  &ld_pause);
5362 		CL22_RD_OVER_CL45(bp, phy,
5363 			MDIO_REG_BANK_COMBO_IEEE0,
5364 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5365 			&lp_pause);
5366 		pause_result = (ld_pause &
5367 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5368 		pause_result |= (lp_pause &
5369 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5370 		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5371 	}
5372 	bnx2x_pause_resolve(vars, pause_result);
5373 
5374 }
5375 
5376 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5377 				    struct link_params *params,
5378 				    struct link_vars *vars,
5379 				    u32 gp_status)
5380 {
5381 	struct bnx2x *bp = params->bp;
5382 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5383 
5384 	/* Resolve from gp_status in case of AN complete and not sgmii */
5385 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5386 		/* Update the advertised flow-controled of LD/LP in AN */
5387 		if (phy->req_line_speed == SPEED_AUTO_NEG)
5388 			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5389 		/* But set the flow-control result as the requested one */
5390 		vars->flow_ctrl = phy->req_flow_ctrl;
5391 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5392 		vars->flow_ctrl = params->req_fc_auto_adv;
5393 	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5394 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5395 		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5396 			vars->flow_ctrl = params->req_fc_auto_adv;
5397 			return;
5398 		}
5399 		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5400 	}
5401 	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5402 }
5403 
5404 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5405 					 struct link_params *params)
5406 {
5407 	struct bnx2x *bp = params->bp;
5408 	u16 rx_status, ustat_val, cl37_fsm_received;
5409 	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5410 	/* Step 1: Make sure signal is detected */
5411 	CL22_RD_OVER_CL45(bp, phy,
5412 			  MDIO_REG_BANK_RX0,
5413 			  MDIO_RX0_RX_STATUS,
5414 			  &rx_status);
5415 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5416 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5417 		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5418 			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5419 		CL22_WR_OVER_CL45(bp, phy,
5420 				  MDIO_REG_BANK_CL73_IEEEB0,
5421 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5422 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5423 		return;
5424 	}
5425 	/* Step 2: Check CL73 state machine */
5426 	CL22_RD_OVER_CL45(bp, phy,
5427 			  MDIO_REG_BANK_CL73_USERB0,
5428 			  MDIO_CL73_USERB0_CL73_USTAT1,
5429 			  &ustat_val);
5430 	if ((ustat_val &
5431 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5432 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5433 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5434 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5435 		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5436 			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5437 		return;
5438 	}
5439 	/* Step 3: Check CL37 Message Pages received to indicate LP
5440 	 * supports only CL37
5441 	 */
5442 	CL22_RD_OVER_CL45(bp, phy,
5443 			  MDIO_REG_BANK_REMOTE_PHY,
5444 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5445 			  &cl37_fsm_received);
5446 	if ((cl37_fsm_received &
5447 	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5448 	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5449 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5450 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5451 		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5452 			     "misc_rx_status(0x8330) = 0x%x\n",
5453 			 cl37_fsm_received);
5454 		return;
5455 	}
5456 	/* The combined cl37/cl73 fsm state information indicating that
5457 	 * we are connected to a device which does not support cl73, but
5458 	 * does support cl37 BAM. In this case we disable cl73 and
5459 	 * restart cl37 auto-neg
5460 	 */
5461 
5462 	/* Disable CL73 */
5463 	CL22_WR_OVER_CL45(bp, phy,
5464 			  MDIO_REG_BANK_CL73_IEEEB0,
5465 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5466 			  0);
5467 	/* Restart CL37 autoneg */
5468 	bnx2x_restart_autoneg(phy, params, 0);
5469 	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5470 }
5471 
5472 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5473 				  struct link_params *params,
5474 				  struct link_vars *vars,
5475 				  u32 gp_status)
5476 {
5477 	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5478 		vars->link_status |=
5479 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5480 
5481 	if (bnx2x_direct_parallel_detect_used(phy, params))
5482 		vars->link_status |=
5483 			LINK_STATUS_PARALLEL_DETECTION_USED;
5484 }
5485 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5486 				     struct link_params *params,
5487 				      struct link_vars *vars,
5488 				      u16 is_link_up,
5489 				      u16 speed_mask,
5490 				      u16 is_duplex)
5491 {
5492 	struct bnx2x *bp = params->bp;
5493 	if (phy->req_line_speed == SPEED_AUTO_NEG)
5494 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5495 	if (is_link_up) {
5496 		DP(NETIF_MSG_LINK, "phy link up\n");
5497 
5498 		vars->phy_link_up = 1;
5499 		vars->link_status |= LINK_STATUS_LINK_UP;
5500 
5501 		switch (speed_mask) {
5502 		case GP_STATUS_10M:
5503 			vars->line_speed = SPEED_10;
5504 			if (is_duplex == DUPLEX_FULL)
5505 				vars->link_status |= LINK_10TFD;
5506 			else
5507 				vars->link_status |= LINK_10THD;
5508 			break;
5509 
5510 		case GP_STATUS_100M:
5511 			vars->line_speed = SPEED_100;
5512 			if (is_duplex == DUPLEX_FULL)
5513 				vars->link_status |= LINK_100TXFD;
5514 			else
5515 				vars->link_status |= LINK_100TXHD;
5516 			break;
5517 
5518 		case GP_STATUS_1G:
5519 		case GP_STATUS_1G_KX:
5520 			vars->line_speed = SPEED_1000;
5521 			if (is_duplex == DUPLEX_FULL)
5522 				vars->link_status |= LINK_1000TFD;
5523 			else
5524 				vars->link_status |= LINK_1000THD;
5525 			break;
5526 
5527 		case GP_STATUS_2_5G:
5528 			vars->line_speed = SPEED_2500;
5529 			if (is_duplex == DUPLEX_FULL)
5530 				vars->link_status |= LINK_2500TFD;
5531 			else
5532 				vars->link_status |= LINK_2500THD;
5533 			break;
5534 
5535 		case GP_STATUS_5G:
5536 		case GP_STATUS_6G:
5537 			DP(NETIF_MSG_LINK,
5538 				 "link speed unsupported  gp_status 0x%x\n",
5539 				  speed_mask);
5540 			return -EINVAL;
5541 
5542 		case GP_STATUS_10G_KX4:
5543 		case GP_STATUS_10G_HIG:
5544 		case GP_STATUS_10G_CX4:
5545 		case GP_STATUS_10G_KR:
5546 		case GP_STATUS_10G_SFI:
5547 		case GP_STATUS_10G_XFI:
5548 			vars->line_speed = SPEED_10000;
5549 			vars->link_status |= LINK_10GTFD;
5550 			break;
5551 		case GP_STATUS_20G_DXGXS:
5552 		case GP_STATUS_20G_KR2:
5553 			vars->line_speed = SPEED_20000;
5554 			vars->link_status |= LINK_20GTFD;
5555 			break;
5556 		default:
5557 			DP(NETIF_MSG_LINK,
5558 				  "link speed unsupported gp_status 0x%x\n",
5559 				  speed_mask);
5560 			return -EINVAL;
5561 		}
5562 	} else { /* link_down */
5563 		DP(NETIF_MSG_LINK, "phy link down\n");
5564 
5565 		vars->phy_link_up = 0;
5566 
5567 		vars->duplex = DUPLEX_FULL;
5568 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5569 		vars->mac_type = MAC_TYPE_NONE;
5570 	}
5571 	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5572 		    vars->phy_link_up, vars->line_speed);
5573 	return 0;
5574 }
5575 
5576 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5577 				      struct link_params *params,
5578 				      struct link_vars *vars)
5579 {
5580 	struct bnx2x *bp = params->bp;
5581 
5582 	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5583 	int rc = 0;
5584 
5585 	/* Read gp_status */
5586 	CL22_RD_OVER_CL45(bp, phy,
5587 			  MDIO_REG_BANK_GP_STATUS,
5588 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5589 			  &gp_status);
5590 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5591 		duplex = DUPLEX_FULL;
5592 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5593 		link_up = 1;
5594 	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5595 	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5596 		       gp_status, link_up, speed_mask);
5597 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5598 					 duplex);
5599 	if (rc == -EINVAL)
5600 		return rc;
5601 
5602 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5603 		if (SINGLE_MEDIA_DIRECT(params)) {
5604 			vars->duplex = duplex;
5605 			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5606 			if (phy->req_line_speed == SPEED_AUTO_NEG)
5607 				bnx2x_xgxs_an_resolve(phy, params, vars,
5608 						      gp_status);
5609 		}
5610 	} else { /* Link_down */
5611 		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5612 		    SINGLE_MEDIA_DIRECT(params)) {
5613 			/* Check signal is detected */
5614 			bnx2x_check_fallback_to_cl37(phy, params);
5615 		}
5616 	}
5617 
5618 	/* Read LP advertised speeds*/
5619 	if (SINGLE_MEDIA_DIRECT(params) &&
5620 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5621 		u16 val;
5622 
5623 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5624 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5625 
5626 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5627 			vars->link_status |=
5628 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5629 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5630 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5631 			vars->link_status |=
5632 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5633 
5634 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5635 				  MDIO_OVER_1G_LP_UP1, &val);
5636 
5637 		if (val & MDIO_OVER_1G_UP1_2_5G)
5638 			vars->link_status |=
5639 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5640 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5641 			vars->link_status |=
5642 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5643 	}
5644 
5645 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5646 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5647 	return rc;
5648 }
5649 
5650 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5651 				     struct link_params *params,
5652 				     struct link_vars *vars)
5653 {
5654 	struct bnx2x *bp = params->bp;
5655 	u8 lane;
5656 	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5657 	int rc = 0;
5658 	lane = bnx2x_get_warpcore_lane(phy, params);
5659 	/* Read gp_status */
5660 	if ((params->loopback_mode) &&
5661 	    (phy->flags & FLAGS_WC_DUAL_MODE)) {
5662 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5663 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5664 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5665 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5666 		link_up &= 0x1;
5667 	} else if ((phy->req_line_speed > SPEED_10000) &&
5668 		(phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5669 		u16 temp_link_up;
5670 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5671 				1, &temp_link_up);
5672 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5673 				1, &link_up);
5674 		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5675 			       temp_link_up, link_up);
5676 		link_up &= (1<<2);
5677 		if (link_up)
5678 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5679 	} else {
5680 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5681 				MDIO_WC_REG_GP2_STATUS_GP_2_1,
5682 				&gp_status1);
5683 		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5684 		/* Check for either KR, 1G, or AN up. */
5685 		link_up = ((gp_status1 >> 8) |
5686 			   (gp_status1 >> 12) |
5687 			   (gp_status1)) &
5688 			(1 << lane);
5689 		if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5690 			u16 an_link;
5691 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5692 					MDIO_AN_REG_STATUS, &an_link);
5693 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5694 					MDIO_AN_REG_STATUS, &an_link);
5695 			link_up |= (an_link & (1<<2));
5696 		}
5697 		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5698 			u16 pd, gp_status4;
5699 			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5700 				/* Check Autoneg complete */
5701 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5702 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5703 						&gp_status4);
5704 				if (gp_status4 & ((1<<12)<<lane))
5705 					vars->link_status |=
5706 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5707 
5708 				/* Check parallel detect used */
5709 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5710 						MDIO_WC_REG_PAR_DET_10G_STATUS,
5711 						&pd);
5712 				if (pd & (1<<15))
5713 					vars->link_status |=
5714 					LINK_STATUS_PARALLEL_DETECTION_USED;
5715 			}
5716 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5717 			vars->duplex = duplex;
5718 		}
5719 	}
5720 
5721 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5722 	    SINGLE_MEDIA_DIRECT(params)) {
5723 		u16 val;
5724 
5725 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5726 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5727 
5728 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5729 			vars->link_status |=
5730 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5731 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5732 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5733 			vars->link_status |=
5734 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5735 
5736 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5737 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5738 
5739 		if (val & MDIO_OVER_1G_UP1_2_5G)
5740 			vars->link_status |=
5741 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5742 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5743 			vars->link_status |=
5744 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5745 
5746 	}
5747 
5748 
5749 	if (lane < 2) {
5750 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5751 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5752 	} else {
5753 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5754 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5755 	}
5756 	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5757 
5758 	if ((lane & 1) == 0)
5759 		gp_speed <<= 8;
5760 	gp_speed &= 0x3f00;
5761 	link_up = !!link_up;
5762 
5763 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5764 					 duplex);
5765 
5766 	/* In case of KR link down, start up the recovering procedure */
5767 	if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5768 	    (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5769 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5770 
5771 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5772 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5773 	return rc;
5774 }
5775 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5776 {
5777 	struct bnx2x *bp = params->bp;
5778 	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5779 	u16 lp_up2;
5780 	u16 tx_driver;
5781 	u16 bank;
5782 
5783 	/* Read precomp */
5784 	CL22_RD_OVER_CL45(bp, phy,
5785 			  MDIO_REG_BANK_OVER_1G,
5786 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5787 
5788 	/* Bits [10:7] at lp_up2, positioned at [15:12] */
5789 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5790 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5791 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5792 
5793 	if (lp_up2 == 0)
5794 		return;
5795 
5796 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5797 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5798 		CL22_RD_OVER_CL45(bp, phy,
5799 				  bank,
5800 				  MDIO_TX0_TX_DRIVER, &tx_driver);
5801 
5802 		/* Replace tx_driver bits [15:12] */
5803 		if (lp_up2 !=
5804 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5805 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5806 			tx_driver |= lp_up2;
5807 			CL22_WR_OVER_CL45(bp, phy,
5808 					  bank,
5809 					  MDIO_TX0_TX_DRIVER, tx_driver);
5810 		}
5811 	}
5812 }
5813 
5814 static int bnx2x_emac_program(struct link_params *params,
5815 			      struct link_vars *vars)
5816 {
5817 	struct bnx2x *bp = params->bp;
5818 	u8 port = params->port;
5819 	u16 mode = 0;
5820 
5821 	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5822 	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5823 		       EMAC_REG_EMAC_MODE,
5824 		       (EMAC_MODE_25G_MODE |
5825 			EMAC_MODE_PORT_MII_10M |
5826 			EMAC_MODE_HALF_DUPLEX));
5827 	switch (vars->line_speed) {
5828 	case SPEED_10:
5829 		mode |= EMAC_MODE_PORT_MII_10M;
5830 		break;
5831 
5832 	case SPEED_100:
5833 		mode |= EMAC_MODE_PORT_MII;
5834 		break;
5835 
5836 	case SPEED_1000:
5837 		mode |= EMAC_MODE_PORT_GMII;
5838 		break;
5839 
5840 	case SPEED_2500:
5841 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5842 		break;
5843 
5844 	default:
5845 		/* 10G not valid for EMAC */
5846 		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5847 			   vars->line_speed);
5848 		return -EINVAL;
5849 	}
5850 
5851 	if (vars->duplex == DUPLEX_HALF)
5852 		mode |= EMAC_MODE_HALF_DUPLEX;
5853 	bnx2x_bits_en(bp,
5854 		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5855 		      mode);
5856 
5857 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5858 	return 0;
5859 }
5860 
5861 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5862 				  struct link_params *params)
5863 {
5864 
5865 	u16 bank, i = 0;
5866 	struct bnx2x *bp = params->bp;
5867 
5868 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5869 	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5870 			CL22_WR_OVER_CL45(bp, phy,
5871 					  bank,
5872 					  MDIO_RX0_RX_EQ_BOOST,
5873 					  phy->rx_preemphasis[i]);
5874 	}
5875 
5876 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5877 		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5878 			CL22_WR_OVER_CL45(bp, phy,
5879 					  bank,
5880 					  MDIO_TX0_TX_DRIVER,
5881 					  phy->tx_preemphasis[i]);
5882 	}
5883 }
5884 
5885 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5886 				   struct link_params *params,
5887 				   struct link_vars *vars)
5888 {
5889 	struct bnx2x *bp = params->bp;
5890 	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5891 			  (params->loopback_mode == LOOPBACK_XGXS));
5892 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5893 		if (SINGLE_MEDIA_DIRECT(params) &&
5894 		    (params->feature_config_flags &
5895 		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5896 			bnx2x_set_preemphasis(phy, params);
5897 
5898 		/* Forced speed requested? */
5899 		if (vars->line_speed != SPEED_AUTO_NEG ||
5900 		    (SINGLE_MEDIA_DIRECT(params) &&
5901 		     params->loopback_mode == LOOPBACK_EXT)) {
5902 			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5903 
5904 			/* Disable autoneg */
5905 			bnx2x_set_autoneg(phy, params, vars, 0);
5906 
5907 			/* Program speed and duplex */
5908 			bnx2x_program_serdes(phy, params, vars);
5909 
5910 		} else { /* AN_mode */
5911 			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5912 
5913 			/* AN enabled */
5914 			bnx2x_set_brcm_cl37_advertisement(phy, params);
5915 
5916 			/* Program duplex & pause advertisement (for aneg) */
5917 			bnx2x_set_ieee_aneg_advertisement(phy, params,
5918 							  vars->ieee_fc);
5919 
5920 			/* Enable autoneg */
5921 			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5922 
5923 			/* Enable and restart AN */
5924 			bnx2x_restart_autoneg(phy, params, enable_cl73);
5925 		}
5926 
5927 	} else { /* SGMII mode */
5928 		DP(NETIF_MSG_LINK, "SGMII\n");
5929 
5930 		bnx2x_initialize_sgmii_process(phy, params, vars);
5931 	}
5932 }
5933 
5934 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5935 			  struct link_params *params,
5936 			  struct link_vars *vars)
5937 {
5938 	int rc;
5939 	vars->phy_flags |= PHY_XGXS_FLAG;
5940 	if ((phy->req_line_speed &&
5941 	     ((phy->req_line_speed == SPEED_100) ||
5942 	      (phy->req_line_speed == SPEED_10))) ||
5943 	    (!phy->req_line_speed &&
5944 	     (phy->speed_cap_mask >=
5945 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5946 	     (phy->speed_cap_mask <
5947 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5948 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5949 		vars->phy_flags |= PHY_SGMII_FLAG;
5950 	else
5951 		vars->phy_flags &= ~PHY_SGMII_FLAG;
5952 
5953 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5954 	bnx2x_set_aer_mmd(params, phy);
5955 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5956 		bnx2x_set_master_ln(params, phy);
5957 
5958 	rc = bnx2x_reset_unicore(params, phy, 0);
5959 	/* Reset the SerDes and wait for reset bit return low */
5960 	if (rc)
5961 		return rc;
5962 
5963 	bnx2x_set_aer_mmd(params, phy);
5964 	/* Setting the masterLn_def again after the reset */
5965 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5966 		bnx2x_set_master_ln(params, phy);
5967 		bnx2x_set_swap_lanes(params, phy);
5968 	}
5969 
5970 	return rc;
5971 }
5972 
5973 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5974 				     struct bnx2x_phy *phy,
5975 				     struct link_params *params)
5976 {
5977 	u16 cnt, ctrl;
5978 	/* Wait for soft reset to get cleared up to 1 sec */
5979 	for (cnt = 0; cnt < 1000; cnt++) {
5980 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5981 			bnx2x_cl22_read(bp, phy,
5982 				MDIO_PMA_REG_CTRL, &ctrl);
5983 		else
5984 			bnx2x_cl45_read(bp, phy,
5985 				MDIO_PMA_DEVAD,
5986 				MDIO_PMA_REG_CTRL, &ctrl);
5987 		if (!(ctrl & (1<<15)))
5988 			break;
5989 		usleep_range(1000, 2000);
5990 	}
5991 
5992 	if (cnt == 1000)
5993 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
5994 				      " Port %d\n",
5995 			 params->port);
5996 	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5997 	return cnt;
5998 }
5999 
6000 static void bnx2x_link_int_enable(struct link_params *params)
6001 {
6002 	u8 port = params->port;
6003 	u32 mask;
6004 	struct bnx2x *bp = params->bp;
6005 
6006 	/* Setting the status to report on link up for either XGXS or SerDes */
6007 	if (CHIP_IS_E3(bp)) {
6008 		mask = NIG_MASK_XGXS0_LINK_STATUS;
6009 		if (!(SINGLE_MEDIA_DIRECT(params)))
6010 			mask |= NIG_MASK_MI_INT;
6011 	} else if (params->switch_cfg == SWITCH_CFG_10G) {
6012 		mask = (NIG_MASK_XGXS0_LINK10G |
6013 			NIG_MASK_XGXS0_LINK_STATUS);
6014 		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6015 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6016 			params->phy[INT_PHY].type !=
6017 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6018 			mask |= NIG_MASK_MI_INT;
6019 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6020 		}
6021 
6022 	} else { /* SerDes */
6023 		mask = NIG_MASK_SERDES0_LINK_STATUS;
6024 		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6025 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6026 			params->phy[INT_PHY].type !=
6027 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6028 			mask |= NIG_MASK_MI_INT;
6029 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6030 		}
6031 	}
6032 	bnx2x_bits_en(bp,
6033 		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6034 		      mask);
6035 
6036 	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6037 		 (params->switch_cfg == SWITCH_CFG_10G),
6038 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6039 	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6040 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6041 		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6042 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6043 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6044 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6045 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6046 }
6047 
6048 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6049 				     u8 exp_mi_int)
6050 {
6051 	u32 latch_status = 0;
6052 
6053 	/* Disable the MI INT ( external phy int ) by writing 1 to the
6054 	 * status register. Link down indication is high-active-signal,
6055 	 * so in this case we need to write the status to clear the XOR
6056 	 */
6057 	/* Read Latched signals */
6058 	latch_status = REG_RD(bp,
6059 				    NIG_REG_LATCH_STATUS_0 + port*8);
6060 	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6061 	/* Handle only those with latched-signal=up.*/
6062 	if (exp_mi_int)
6063 		bnx2x_bits_en(bp,
6064 			      NIG_REG_STATUS_INTERRUPT_PORT0
6065 			      + port*4,
6066 			      NIG_STATUS_EMAC0_MI_INT);
6067 	else
6068 		bnx2x_bits_dis(bp,
6069 			       NIG_REG_STATUS_INTERRUPT_PORT0
6070 			       + port*4,
6071 			       NIG_STATUS_EMAC0_MI_INT);
6072 
6073 	if (latch_status & 1) {
6074 
6075 		/* For all latched-signal=up : Re-Arm Latch signals */
6076 		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6077 		       (latch_status & 0xfffe) | (latch_status & 1));
6078 	}
6079 	/* For all latched-signal=up,Write original_signal to status */
6080 }
6081 
6082 static void bnx2x_link_int_ack(struct link_params *params,
6083 			       struct link_vars *vars, u8 is_10g_plus)
6084 {
6085 	struct bnx2x *bp = params->bp;
6086 	u8 port = params->port;
6087 	u32 mask;
6088 	/* First reset all status we assume only one line will be
6089 	 * change at a time
6090 	 */
6091 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6092 		       (NIG_STATUS_XGXS0_LINK10G |
6093 			NIG_STATUS_XGXS0_LINK_STATUS |
6094 			NIG_STATUS_SERDES0_LINK_STATUS));
6095 	if (vars->phy_link_up) {
6096 		if (USES_WARPCORE(bp))
6097 			mask = NIG_STATUS_XGXS0_LINK_STATUS;
6098 		else {
6099 			if (is_10g_plus)
6100 				mask = NIG_STATUS_XGXS0_LINK10G;
6101 			else if (params->switch_cfg == SWITCH_CFG_10G) {
6102 				/* Disable the link interrupt by writing 1 to
6103 				 * the relevant lane in the status register
6104 				 */
6105 				u32 ser_lane =
6106 					((params->lane_config &
6107 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6108 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6109 				mask = ((1 << ser_lane) <<
6110 				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6111 			} else
6112 				mask = NIG_STATUS_SERDES0_LINK_STATUS;
6113 		}
6114 		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6115 			       mask);
6116 		bnx2x_bits_en(bp,
6117 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6118 			      mask);
6119 	}
6120 }
6121 
6122 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6123 {
6124 	u8 *str_ptr = str;
6125 	u32 mask = 0xf0000000;
6126 	u8 shift = 8*4;
6127 	u8 digit;
6128 	u8 remove_leading_zeros = 1;
6129 	if (*len < 10) {
6130 		/* Need more than 10chars for this format */
6131 		*str_ptr = '\0';
6132 		(*len)--;
6133 		return -EINVAL;
6134 	}
6135 	while (shift > 0) {
6136 
6137 		shift -= 4;
6138 		digit = ((num & mask) >> shift);
6139 		if (digit == 0 && remove_leading_zeros) {
6140 			mask = mask >> 4;
6141 			continue;
6142 		} else if (digit < 0xa)
6143 			*str_ptr = digit + '0';
6144 		else
6145 			*str_ptr = digit - 0xa + 'a';
6146 		remove_leading_zeros = 0;
6147 		str_ptr++;
6148 		(*len)--;
6149 		mask = mask >> 4;
6150 		if (shift == 4*4) {
6151 			*str_ptr = '.';
6152 			str_ptr++;
6153 			(*len)--;
6154 			remove_leading_zeros = 1;
6155 		}
6156 	}
6157 	return 0;
6158 }
6159 
6160 
6161 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6162 {
6163 	str[0] = '\0';
6164 	(*len)--;
6165 	return 0;
6166 }
6167 
6168 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6169 				 u16 len)
6170 {
6171 	struct bnx2x *bp;
6172 	u32 spirom_ver = 0;
6173 	int status = 0;
6174 	u8 *ver_p = version;
6175 	u16 remain_len = len;
6176 	if (version == NULL || params == NULL)
6177 		return -EINVAL;
6178 	bp = params->bp;
6179 
6180 	/* Extract first external phy*/
6181 	version[0] = '\0';
6182 	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6183 
6184 	if (params->phy[EXT_PHY1].format_fw_ver) {
6185 		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6186 							      ver_p,
6187 							      &remain_len);
6188 		ver_p += (len - remain_len);
6189 	}
6190 	if ((params->num_phys == MAX_PHYS) &&
6191 	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6192 		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6193 		if (params->phy[EXT_PHY2].format_fw_ver) {
6194 			*ver_p = '/';
6195 			ver_p++;
6196 			remain_len--;
6197 			status |= params->phy[EXT_PHY2].format_fw_ver(
6198 				spirom_ver,
6199 				ver_p,
6200 				&remain_len);
6201 			ver_p = version + (len - remain_len);
6202 		}
6203 	}
6204 	*ver_p = '\0';
6205 	return status;
6206 }
6207 
6208 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6209 				    struct link_params *params)
6210 {
6211 	u8 port = params->port;
6212 	struct bnx2x *bp = params->bp;
6213 
6214 	if (phy->req_line_speed != SPEED_1000) {
6215 		u32 md_devad = 0;
6216 
6217 		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6218 
6219 		if (!CHIP_IS_E3(bp)) {
6220 			/* Change the uni_phy_addr in the nig */
6221 			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6222 					       port*0x18));
6223 
6224 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6225 			       0x5);
6226 		}
6227 
6228 		bnx2x_cl45_write(bp, phy,
6229 				 5,
6230 				 (MDIO_REG_BANK_AER_BLOCK +
6231 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6232 				 0x2800);
6233 
6234 		bnx2x_cl45_write(bp, phy,
6235 				 5,
6236 				 (MDIO_REG_BANK_CL73_IEEEB0 +
6237 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6238 				 0x6041);
6239 		msleep(200);
6240 		/* Set aer mmd back */
6241 		bnx2x_set_aer_mmd(params, phy);
6242 
6243 		if (!CHIP_IS_E3(bp)) {
6244 			/* And md_devad */
6245 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6246 			       md_devad);
6247 		}
6248 	} else {
6249 		u16 mii_ctrl;
6250 		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6251 		bnx2x_cl45_read(bp, phy, 5,
6252 				(MDIO_REG_BANK_COMBO_IEEE0 +
6253 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6254 				&mii_ctrl);
6255 		bnx2x_cl45_write(bp, phy, 5,
6256 				 (MDIO_REG_BANK_COMBO_IEEE0 +
6257 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6258 				 mii_ctrl |
6259 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6260 	}
6261 }
6262 
6263 int bnx2x_set_led(struct link_params *params,
6264 		  struct link_vars *vars, u8 mode, u32 speed)
6265 {
6266 	u8 port = params->port;
6267 	u16 hw_led_mode = params->hw_led_mode;
6268 	int rc = 0;
6269 	u8 phy_idx;
6270 	u32 tmp;
6271 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6272 	struct bnx2x *bp = params->bp;
6273 	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6274 	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6275 		 speed, hw_led_mode);
6276 	/* In case */
6277 	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6278 		if (params->phy[phy_idx].set_link_led) {
6279 			params->phy[phy_idx].set_link_led(
6280 				&params->phy[phy_idx], params, mode);
6281 		}
6282 	}
6283 
6284 	switch (mode) {
6285 	case LED_MODE_FRONT_PANEL_OFF:
6286 	case LED_MODE_OFF:
6287 		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6288 		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6289 		       SHARED_HW_CFG_LED_MAC1);
6290 
6291 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6292 		if (params->phy[EXT_PHY1].type ==
6293 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6294 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6295 				EMAC_LED_100MB_OVERRIDE |
6296 				EMAC_LED_10MB_OVERRIDE);
6297 		else
6298 			tmp |= EMAC_LED_OVERRIDE;
6299 
6300 		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6301 		break;
6302 
6303 	case LED_MODE_OPER:
6304 		/* For all other phys, OPER mode is same as ON, so in case
6305 		 * link is down, do nothing
6306 		 */
6307 		if (!vars->link_up)
6308 			break;
6309 	case LED_MODE_ON:
6310 		if (((params->phy[EXT_PHY1].type ==
6311 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6312 			 (params->phy[EXT_PHY1].type ==
6313 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6314 		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6315 			/* This is a work-around for E2+8727 Configurations */
6316 			if (mode == LED_MODE_ON ||
6317 				speed == SPEED_10000){
6318 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6319 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6320 
6321 				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6322 				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6323 					(tmp | EMAC_LED_OVERRIDE));
6324 				/* Return here without enabling traffic
6325 				 * LED blink and setting rate in ON mode.
6326 				 * In oper mode, enabling LED blink
6327 				 * and setting rate is needed.
6328 				 */
6329 				if (mode == LED_MODE_ON)
6330 					return rc;
6331 			}
6332 		} else if (SINGLE_MEDIA_DIRECT(params)) {
6333 			/* This is a work-around for HW issue found when link
6334 			 * is up in CL73
6335 			 */
6336 			if ((!CHIP_IS_E3(bp)) ||
6337 			    (CHIP_IS_E3(bp) &&
6338 			     mode == LED_MODE_ON))
6339 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6340 
6341 			if (CHIP_IS_E1x(bp) ||
6342 			    CHIP_IS_E2(bp) ||
6343 			    (mode == LED_MODE_ON))
6344 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6345 			else
6346 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6347 				       hw_led_mode);
6348 		} else if ((params->phy[EXT_PHY1].type ==
6349 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6350 			   (mode == LED_MODE_ON)) {
6351 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6352 			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6353 			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6354 				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6355 			/* Break here; otherwise, it'll disable the
6356 			 * intended override.
6357 			 */
6358 			break;
6359 		} else {
6360 			u32 nig_led_mode = ((params->hw_led_mode <<
6361 					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
6362 					    SHARED_HW_CFG_LED_EXTPHY2) ?
6363 				(SHARED_HW_CFG_LED_PHY1 >>
6364 				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6365 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6366 			       nig_led_mode);
6367 		}
6368 
6369 		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6370 		/* Set blinking rate to ~15.9Hz */
6371 		if (CHIP_IS_E3(bp))
6372 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6373 			       LED_BLINK_RATE_VAL_E3);
6374 		else
6375 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6376 			       LED_BLINK_RATE_VAL_E1X_E2);
6377 		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6378 		       port*4, 1);
6379 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6380 		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6381 			(tmp & (~EMAC_LED_OVERRIDE)));
6382 
6383 		if (CHIP_IS_E1(bp) &&
6384 		    ((speed == SPEED_2500) ||
6385 		     (speed == SPEED_1000) ||
6386 		     (speed == SPEED_100) ||
6387 		     (speed == SPEED_10))) {
6388 			/* For speeds less than 10G LED scheme is different */
6389 			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6390 			       + port*4, 1);
6391 			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6392 			       port*4, 0);
6393 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6394 			       port*4, 1);
6395 		}
6396 		break;
6397 
6398 	default:
6399 		rc = -EINVAL;
6400 		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6401 			 mode);
6402 		break;
6403 	}
6404 	return rc;
6405 
6406 }
6407 
6408 /* This function comes to reflect the actual link state read DIRECTLY from the
6409  * HW
6410  */
6411 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6412 		    u8 is_serdes)
6413 {
6414 	struct bnx2x *bp = params->bp;
6415 	u16 gp_status = 0, phy_index = 0;
6416 	u8 ext_phy_link_up = 0, serdes_phy_type;
6417 	struct link_vars temp_vars;
6418 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6419 
6420 	if (CHIP_IS_E3(bp)) {
6421 		u16 link_up;
6422 		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6423 		    > SPEED_10000) {
6424 			/* Check 20G link */
6425 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6426 					1, &link_up);
6427 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6428 					1, &link_up);
6429 			link_up &= (1<<2);
6430 		} else {
6431 			/* Check 10G link and below*/
6432 			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6433 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6434 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6435 					&gp_status);
6436 			gp_status = ((gp_status >> 8) & 0xf) |
6437 				((gp_status >> 12) & 0xf);
6438 			link_up = gp_status & (1 << lane);
6439 		}
6440 		if (!link_up)
6441 			return -ESRCH;
6442 	} else {
6443 		CL22_RD_OVER_CL45(bp, int_phy,
6444 			  MDIO_REG_BANK_GP_STATUS,
6445 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6446 			  &gp_status);
6447 	/* Link is up only if both local phy and external phy are up */
6448 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6449 		return -ESRCH;
6450 	}
6451 	/* In XGXS loopback mode, do not check external PHY */
6452 	if (params->loopback_mode == LOOPBACK_XGXS)
6453 		return 0;
6454 
6455 	switch (params->num_phys) {
6456 	case 1:
6457 		/* No external PHY */
6458 		return 0;
6459 	case 2:
6460 		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6461 			&params->phy[EXT_PHY1],
6462 			params, &temp_vars);
6463 		break;
6464 	case 3: /* Dual Media */
6465 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6466 		      phy_index++) {
6467 			serdes_phy_type = ((params->phy[phy_index].media_type ==
6468 					    ETH_PHY_SFPP_10G_FIBER) ||
6469 					   (params->phy[phy_index].media_type ==
6470 					    ETH_PHY_SFP_1G_FIBER) ||
6471 					   (params->phy[phy_index].media_type ==
6472 					    ETH_PHY_XFP_FIBER) ||
6473 					   (params->phy[phy_index].media_type ==
6474 					    ETH_PHY_DA_TWINAX));
6475 
6476 			if (is_serdes != serdes_phy_type)
6477 				continue;
6478 			if (params->phy[phy_index].read_status) {
6479 				ext_phy_link_up |=
6480 					params->phy[phy_index].read_status(
6481 						&params->phy[phy_index],
6482 						params, &temp_vars);
6483 			}
6484 		}
6485 		break;
6486 	}
6487 	if (ext_phy_link_up)
6488 		return 0;
6489 	return -ESRCH;
6490 }
6491 
6492 static int bnx2x_link_initialize(struct link_params *params,
6493 				 struct link_vars *vars)
6494 {
6495 	u8 phy_index, non_ext_phy;
6496 	struct bnx2x *bp = params->bp;
6497 	/* In case of external phy existence, the line speed would be the
6498 	 * line speed linked up by the external phy. In case it is direct
6499 	 * only, then the line_speed during initialization will be
6500 	 * equal to the req_line_speed
6501 	 */
6502 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6503 
6504 	/* Initialize the internal phy in case this is a direct board
6505 	 * (no external phys), or this board has external phy which requires
6506 	 * to first.
6507 	 */
6508 	if (!USES_WARPCORE(bp))
6509 		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6510 	/* init ext phy and enable link state int */
6511 	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6512 		       (params->loopback_mode == LOOPBACK_XGXS));
6513 
6514 	if (non_ext_phy ||
6515 	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6516 	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6517 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6518 		if (vars->line_speed == SPEED_AUTO_NEG &&
6519 		    (CHIP_IS_E1x(bp) ||
6520 		     CHIP_IS_E2(bp)))
6521 			bnx2x_set_parallel_detection(phy, params);
6522 		if (params->phy[INT_PHY].config_init)
6523 			params->phy[INT_PHY].config_init(phy, params, vars);
6524 	}
6525 
6526 	/* Re-read this value in case it was changed inside config_init due to
6527 	 * limitations of optic module
6528 	 */
6529 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6530 
6531 	/* Init external phy*/
6532 	if (non_ext_phy) {
6533 		if (params->phy[INT_PHY].supported &
6534 		    SUPPORTED_FIBRE)
6535 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6536 	} else {
6537 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6538 		      phy_index++) {
6539 			/* No need to initialize second phy in case of first
6540 			 * phy only selection. In case of second phy, we do
6541 			 * need to initialize the first phy, since they are
6542 			 * connected.
6543 			 */
6544 			if (params->phy[phy_index].supported &
6545 			    SUPPORTED_FIBRE)
6546 				vars->link_status |= LINK_STATUS_SERDES_LINK;
6547 
6548 			if (phy_index == EXT_PHY2 &&
6549 			    (bnx2x_phy_selection(params) ==
6550 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6551 				DP(NETIF_MSG_LINK,
6552 				   "Not initializing second phy\n");
6553 				continue;
6554 			}
6555 			params->phy[phy_index].config_init(
6556 				&params->phy[phy_index],
6557 				params, vars);
6558 		}
6559 	}
6560 	/* Reset the interrupt indication after phy was initialized */
6561 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6562 		       params->port*4,
6563 		       (NIG_STATUS_XGXS0_LINK10G |
6564 			NIG_STATUS_XGXS0_LINK_STATUS |
6565 			NIG_STATUS_SERDES0_LINK_STATUS |
6566 			NIG_MASK_MI_INT));
6567 	return 0;
6568 }
6569 
6570 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6571 				 struct link_params *params)
6572 {
6573 	/* Reset the SerDes/XGXS */
6574 	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6575 	       (0x1ff << (params->port*16)));
6576 }
6577 
6578 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6579 					struct link_params *params)
6580 {
6581 	struct bnx2x *bp = params->bp;
6582 	u8 gpio_port;
6583 	/* HW reset */
6584 	if (CHIP_IS_E2(bp))
6585 		gpio_port = BP_PATH(bp);
6586 	else
6587 		gpio_port = params->port;
6588 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6589 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6590 		       gpio_port);
6591 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6592 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6593 		       gpio_port);
6594 	DP(NETIF_MSG_LINK, "reset external PHY\n");
6595 }
6596 
6597 static int bnx2x_update_link_down(struct link_params *params,
6598 				  struct link_vars *vars)
6599 {
6600 	struct bnx2x *bp = params->bp;
6601 	u8 port = params->port;
6602 
6603 	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6604 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6605 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6606 	/* Indicate no mac active */
6607 	vars->mac_type = MAC_TYPE_NONE;
6608 
6609 	/* Update shared memory */
6610 	vars->link_status &= ~LINK_UPDATE_MASK;
6611 	vars->line_speed = 0;
6612 	bnx2x_update_mng(params, vars->link_status);
6613 
6614 	/* Activate nig drain */
6615 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6616 
6617 	/* Disable emac */
6618 	if (!CHIP_IS_E3(bp))
6619 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6620 
6621 	usleep_range(10000, 20000);
6622 	/* Reset BigMac/Xmac */
6623 	if (CHIP_IS_E1x(bp) ||
6624 	    CHIP_IS_E2(bp))
6625 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6626 
6627 	if (CHIP_IS_E3(bp)) {
6628 		/* Prevent LPI Generation by chip */
6629 		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6630 		       0);
6631 		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6632 		       0);
6633 		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6634 				      SHMEM_EEE_ACTIVE_BIT);
6635 
6636 		bnx2x_update_mng_eee(params, vars->eee_status);
6637 		bnx2x_set_xmac_rxtx(params, 0);
6638 		bnx2x_set_umac_rxtx(params, 0);
6639 	}
6640 
6641 	return 0;
6642 }
6643 
6644 static int bnx2x_update_link_up(struct link_params *params,
6645 				struct link_vars *vars,
6646 				u8 link_10g)
6647 {
6648 	struct bnx2x *bp = params->bp;
6649 	u8 phy_idx, port = params->port;
6650 	int rc = 0;
6651 
6652 	vars->link_status |= (LINK_STATUS_LINK_UP |
6653 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6654 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6655 
6656 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6657 		vars->link_status |=
6658 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6659 
6660 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6661 		vars->link_status |=
6662 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6663 	if (USES_WARPCORE(bp)) {
6664 		if (link_10g) {
6665 			if (bnx2x_xmac_enable(params, vars, 0) ==
6666 			    -ESRCH) {
6667 				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6668 				vars->link_up = 0;
6669 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6670 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6671 			}
6672 		} else
6673 			bnx2x_umac_enable(params, vars, 0);
6674 		bnx2x_set_led(params, vars,
6675 			      LED_MODE_OPER, vars->line_speed);
6676 
6677 		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6678 		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6679 			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6680 			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6681 			       (params->port << 2), 1);
6682 			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6683 			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6684 			       (params->port << 2), 0xfc20);
6685 		}
6686 	}
6687 	if ((CHIP_IS_E1x(bp) ||
6688 	     CHIP_IS_E2(bp))) {
6689 		if (link_10g) {
6690 			if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6691 			    -ESRCH) {
6692 				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6693 				vars->link_up = 0;
6694 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6695 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6696 			}
6697 
6698 			bnx2x_set_led(params, vars,
6699 				      LED_MODE_OPER, SPEED_10000);
6700 		} else {
6701 			rc = bnx2x_emac_program(params, vars);
6702 			bnx2x_emac_enable(params, vars, 0);
6703 
6704 			/* AN complete? */
6705 			if ((vars->link_status &
6706 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6707 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6708 			    SINGLE_MEDIA_DIRECT(params))
6709 				bnx2x_set_gmii_tx_driver(params);
6710 		}
6711 	}
6712 
6713 	/* PBF - link up */
6714 	if (CHIP_IS_E1x(bp))
6715 		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6716 				       vars->line_speed);
6717 
6718 	/* Disable drain */
6719 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6720 
6721 	/* Update shared memory */
6722 	bnx2x_update_mng(params, vars->link_status);
6723 	bnx2x_update_mng_eee(params, vars->eee_status);
6724 	/* Check remote fault */
6725 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6726 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6727 			bnx2x_check_half_open_conn(params, vars, 0);
6728 			break;
6729 		}
6730 	}
6731 	msleep(20);
6732 	return rc;
6733 }
6734 /* The bnx2x_link_update function should be called upon link
6735  * interrupt.
6736  * Link is considered up as follows:
6737  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6738  *   to be up
6739  * - SINGLE_MEDIA - The link between the 577xx and the external
6740  *   phy (XGXS) need to up as well as the external link of the
6741  *   phy (PHY_EXT1)
6742  * - DUAL_MEDIA - The link between the 577xx and the first
6743  *   external phy needs to be up, and at least one of the 2
6744  *   external phy link must be up.
6745  */
6746 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6747 {
6748 	struct bnx2x *bp = params->bp;
6749 	struct link_vars phy_vars[MAX_PHYS];
6750 	u8 port = params->port;
6751 	u8 link_10g_plus, phy_index;
6752 	u8 ext_phy_link_up = 0, cur_link_up;
6753 	int rc = 0;
6754 	u8 is_mi_int = 0;
6755 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6756 	u8 active_external_phy = INT_PHY;
6757 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6758 	vars->link_status &= ~LINK_UPDATE_MASK;
6759 	for (phy_index = INT_PHY; phy_index < params->num_phys;
6760 	      phy_index++) {
6761 		phy_vars[phy_index].flow_ctrl = 0;
6762 		phy_vars[phy_index].link_status = 0;
6763 		phy_vars[phy_index].line_speed = 0;
6764 		phy_vars[phy_index].duplex = DUPLEX_FULL;
6765 		phy_vars[phy_index].phy_link_up = 0;
6766 		phy_vars[phy_index].link_up = 0;
6767 		phy_vars[phy_index].fault_detected = 0;
6768 		/* different consideration, since vars holds inner state */
6769 		phy_vars[phy_index].eee_status = vars->eee_status;
6770 	}
6771 
6772 	if (USES_WARPCORE(bp))
6773 		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6774 
6775 	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6776 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6777 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6778 
6779 	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6780 				port*0x18) > 0);
6781 	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6782 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6783 		 is_mi_int,
6784 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6785 
6786 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6787 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6788 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6789 
6790 	/* Disable emac */
6791 	if (!CHIP_IS_E3(bp))
6792 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6793 
6794 	/* Step 1:
6795 	 * Check external link change only for external phys, and apply
6796 	 * priority selection between them in case the link on both phys
6797 	 * is up. Note that instead of the common vars, a temporary
6798 	 * vars argument is used since each phy may have different link/
6799 	 * speed/duplex result
6800 	 */
6801 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6802 	      phy_index++) {
6803 		struct bnx2x_phy *phy = &params->phy[phy_index];
6804 		if (!phy->read_status)
6805 			continue;
6806 		/* Read link status and params of this ext phy */
6807 		cur_link_up = phy->read_status(phy, params,
6808 					       &phy_vars[phy_index]);
6809 		if (cur_link_up) {
6810 			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6811 				   phy_index);
6812 		} else {
6813 			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6814 				   phy_index);
6815 			continue;
6816 		}
6817 
6818 		if (!ext_phy_link_up) {
6819 			ext_phy_link_up = 1;
6820 			active_external_phy = phy_index;
6821 		} else {
6822 			switch (bnx2x_phy_selection(params)) {
6823 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6824 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6825 			/* In this option, the first PHY makes sure to pass the
6826 			 * traffic through itself only.
6827 			 * Its not clear how to reset the link on the second phy
6828 			 */
6829 				active_external_phy = EXT_PHY1;
6830 				break;
6831 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6832 			/* In this option, the first PHY makes sure to pass the
6833 			 * traffic through the second PHY.
6834 			 */
6835 				active_external_phy = EXT_PHY2;
6836 				break;
6837 			default:
6838 			/* Link indication on both PHYs with the following cases
6839 			 * is invalid:
6840 			 * - FIRST_PHY means that second phy wasn't initialized,
6841 			 * hence its link is expected to be down
6842 			 * - SECOND_PHY means that first phy should not be able
6843 			 * to link up by itself (using configuration)
6844 			 * - DEFAULT should be overriden during initialiazation
6845 			 */
6846 				DP(NETIF_MSG_LINK, "Invalid link indication"
6847 					   "mpc=0x%x. DISABLING LINK !!!\n",
6848 					   params->multi_phy_config);
6849 				ext_phy_link_up = 0;
6850 				break;
6851 			}
6852 		}
6853 	}
6854 	prev_line_speed = vars->line_speed;
6855 	/* Step 2:
6856 	 * Read the status of the internal phy. In case of
6857 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6858 	 * otherwise this is the link between the 577xx and the first
6859 	 * external phy
6860 	 */
6861 	if (params->phy[INT_PHY].read_status)
6862 		params->phy[INT_PHY].read_status(
6863 			&params->phy[INT_PHY],
6864 			params, vars);
6865 	/* The INT_PHY flow control reside in the vars. This include the
6866 	 * case where the speed or flow control are not set to AUTO.
6867 	 * Otherwise, the active external phy flow control result is set
6868 	 * to the vars. The ext_phy_line_speed is needed to check if the
6869 	 * speed is different between the internal phy and external phy.
6870 	 * This case may be result of intermediate link speed change.
6871 	 */
6872 	if (active_external_phy > INT_PHY) {
6873 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6874 		/* Link speed is taken from the XGXS. AN and FC result from
6875 		 * the external phy.
6876 		 */
6877 		vars->link_status |= phy_vars[active_external_phy].link_status;
6878 
6879 		/* if active_external_phy is first PHY and link is up - disable
6880 		 * disable TX on second external PHY
6881 		 */
6882 		if (active_external_phy == EXT_PHY1) {
6883 			if (params->phy[EXT_PHY2].phy_specific_func) {
6884 				DP(NETIF_MSG_LINK,
6885 				   "Disabling TX on EXT_PHY2\n");
6886 				params->phy[EXT_PHY2].phy_specific_func(
6887 					&params->phy[EXT_PHY2],
6888 					params, DISABLE_TX);
6889 			}
6890 		}
6891 
6892 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6893 		vars->duplex = phy_vars[active_external_phy].duplex;
6894 		if (params->phy[active_external_phy].supported &
6895 		    SUPPORTED_FIBRE)
6896 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6897 		else
6898 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6899 
6900 		vars->eee_status = phy_vars[active_external_phy].eee_status;
6901 
6902 		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6903 			   active_external_phy);
6904 	}
6905 
6906 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6907 	      phy_index++) {
6908 		if (params->phy[phy_index].flags &
6909 		    FLAGS_REARM_LATCH_SIGNAL) {
6910 			bnx2x_rearm_latch_signal(bp, port,
6911 						 phy_index ==
6912 						 active_external_phy);
6913 			break;
6914 		}
6915 	}
6916 	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6917 		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6918 		   vars->link_status, ext_phy_line_speed);
6919 	/* Upon link speed change set the NIG into drain mode. Comes to
6920 	 * deals with possible FIFO glitch due to clk change when speed
6921 	 * is decreased without link down indicator
6922 	 */
6923 
6924 	if (vars->phy_link_up) {
6925 		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6926 		    (ext_phy_line_speed != vars->line_speed)) {
6927 			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6928 				   " different than the external"
6929 				   " link speed %d\n", vars->line_speed,
6930 				   ext_phy_line_speed);
6931 			vars->phy_link_up = 0;
6932 		} else if (prev_line_speed != vars->line_speed) {
6933 			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6934 			       0);
6935 			usleep_range(1000, 2000);
6936 		}
6937 	}
6938 
6939 	/* Anything 10 and over uses the bmac */
6940 	link_10g_plus = (vars->line_speed >= SPEED_10000);
6941 
6942 	bnx2x_link_int_ack(params, vars, link_10g_plus);
6943 
6944 	/* In case external phy link is up, and internal link is down
6945 	 * (not initialized yet probably after link initialization, it
6946 	 * needs to be initialized.
6947 	 * Note that after link down-up as result of cable plug, the xgxs
6948 	 * link would probably become up again without the need
6949 	 * initialize it
6950 	 */
6951 	if (!(SINGLE_MEDIA_DIRECT(params))) {
6952 		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6953 			   " init_preceding = %d\n", ext_phy_link_up,
6954 			   vars->phy_link_up,
6955 			   params->phy[EXT_PHY1].flags &
6956 			   FLAGS_INIT_XGXS_FIRST);
6957 		if (!(params->phy[EXT_PHY1].flags &
6958 		      FLAGS_INIT_XGXS_FIRST)
6959 		    && ext_phy_link_up && !vars->phy_link_up) {
6960 			vars->line_speed = ext_phy_line_speed;
6961 			if (vars->line_speed < SPEED_1000)
6962 				vars->phy_flags |= PHY_SGMII_FLAG;
6963 			else
6964 				vars->phy_flags &= ~PHY_SGMII_FLAG;
6965 
6966 			if (params->phy[INT_PHY].config_init)
6967 				params->phy[INT_PHY].config_init(
6968 					&params->phy[INT_PHY], params,
6969 						vars);
6970 		}
6971 	}
6972 	/* Link is up only if both local phy and external phy (in case of
6973 	 * non-direct board) are up and no fault detected on active PHY.
6974 	 */
6975 	vars->link_up = (vars->phy_link_up &&
6976 			 (ext_phy_link_up ||
6977 			  SINGLE_MEDIA_DIRECT(params)) &&
6978 			 (phy_vars[active_external_phy].fault_detected == 0));
6979 
6980 	/* Update the PFC configuration in case it was changed */
6981 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6982 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
6983 	else
6984 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6985 
6986 	if (vars->link_up)
6987 		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6988 	else
6989 		rc = bnx2x_update_link_down(params, vars);
6990 
6991 	/* Update MCP link status was changed */
6992 	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6993 		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6994 
6995 	return rc;
6996 }
6997 
6998 /*****************************************************************************/
6999 /*			    External Phy section			     */
7000 /*****************************************************************************/
7001 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7002 {
7003 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7004 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7005 	usleep_range(1000, 2000);
7006 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7007 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7008 }
7009 
7010 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7011 				      u32 spirom_ver, u32 ver_addr)
7012 {
7013 	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7014 		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7015 
7016 	if (ver_addr)
7017 		REG_WR(bp, ver_addr, spirom_ver);
7018 }
7019 
7020 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7021 				      struct bnx2x_phy *phy,
7022 				      u8 port)
7023 {
7024 	u16 fw_ver1, fw_ver2;
7025 
7026 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7027 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7028 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7029 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7030 	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7031 				  phy->ver_addr);
7032 }
7033 
7034 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7035 				       struct bnx2x_phy *phy,
7036 				       struct link_vars *vars)
7037 {
7038 	u16 val;
7039 	bnx2x_cl45_read(bp, phy,
7040 			MDIO_AN_DEVAD,
7041 			MDIO_AN_REG_STATUS, &val);
7042 	bnx2x_cl45_read(bp, phy,
7043 			MDIO_AN_DEVAD,
7044 			MDIO_AN_REG_STATUS, &val);
7045 	if (val & (1<<5))
7046 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7047 	if ((val & (1<<0)) == 0)
7048 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7049 }
7050 
7051 /******************************************************************/
7052 /*		common BCM8073/BCM8727 PHY SECTION		  */
7053 /******************************************************************/
7054 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7055 				  struct link_params *params,
7056 				  struct link_vars *vars)
7057 {
7058 	struct bnx2x *bp = params->bp;
7059 	if (phy->req_line_speed == SPEED_10 ||
7060 	    phy->req_line_speed == SPEED_100) {
7061 		vars->flow_ctrl = phy->req_flow_ctrl;
7062 		return;
7063 	}
7064 
7065 	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7066 	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7067 		u16 pause_result;
7068 		u16 ld_pause;		/* local */
7069 		u16 lp_pause;		/* link partner */
7070 		bnx2x_cl45_read(bp, phy,
7071 				MDIO_AN_DEVAD,
7072 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7073 
7074 		bnx2x_cl45_read(bp, phy,
7075 				MDIO_AN_DEVAD,
7076 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7077 		pause_result = (ld_pause &
7078 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7079 		pause_result |= (lp_pause &
7080 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7081 
7082 		bnx2x_pause_resolve(vars, pause_result);
7083 		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7084 			   pause_result);
7085 	}
7086 }
7087 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7088 					     struct bnx2x_phy *phy,
7089 					     u8 port)
7090 {
7091 	u32 count = 0;
7092 	u16 fw_ver1, fw_msgout;
7093 	int rc = 0;
7094 
7095 	/* Boot port from external ROM  */
7096 	/* EDC grst */
7097 	bnx2x_cl45_write(bp, phy,
7098 			 MDIO_PMA_DEVAD,
7099 			 MDIO_PMA_REG_GEN_CTRL,
7100 			 0x0001);
7101 
7102 	/* Ucode reboot and rst */
7103 	bnx2x_cl45_write(bp, phy,
7104 			 MDIO_PMA_DEVAD,
7105 			 MDIO_PMA_REG_GEN_CTRL,
7106 			 0x008c);
7107 
7108 	bnx2x_cl45_write(bp, phy,
7109 			 MDIO_PMA_DEVAD,
7110 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7111 
7112 	/* Reset internal microprocessor */
7113 	bnx2x_cl45_write(bp, phy,
7114 			 MDIO_PMA_DEVAD,
7115 			 MDIO_PMA_REG_GEN_CTRL,
7116 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7117 
7118 	/* Release srst bit */
7119 	bnx2x_cl45_write(bp, phy,
7120 			 MDIO_PMA_DEVAD,
7121 			 MDIO_PMA_REG_GEN_CTRL,
7122 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7123 
7124 	/* Delay 100ms per the PHY specifications */
7125 	msleep(100);
7126 
7127 	/* 8073 sometimes taking longer to download */
7128 	do {
7129 		count++;
7130 		if (count > 300) {
7131 			DP(NETIF_MSG_LINK,
7132 				 "bnx2x_8073_8727_external_rom_boot port %x:"
7133 				 "Download failed. fw version = 0x%x\n",
7134 				 port, fw_ver1);
7135 			rc = -EINVAL;
7136 			break;
7137 		}
7138 
7139 		bnx2x_cl45_read(bp, phy,
7140 				MDIO_PMA_DEVAD,
7141 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7142 		bnx2x_cl45_read(bp, phy,
7143 				MDIO_PMA_DEVAD,
7144 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7145 
7146 		usleep_range(1000, 2000);
7147 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7148 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7149 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7150 
7151 	/* Clear ser_boot_ctl bit */
7152 	bnx2x_cl45_write(bp, phy,
7153 			 MDIO_PMA_DEVAD,
7154 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7155 	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7156 
7157 	DP(NETIF_MSG_LINK,
7158 		 "bnx2x_8073_8727_external_rom_boot port %x:"
7159 		 "Download complete. fw version = 0x%x\n",
7160 		 port, fw_ver1);
7161 
7162 	return rc;
7163 }
7164 
7165 /******************************************************************/
7166 /*			BCM8073 PHY SECTION			  */
7167 /******************************************************************/
7168 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7169 {
7170 	/* This is only required for 8073A1, version 102 only */
7171 	u16 val;
7172 
7173 	/* Read 8073 HW revision*/
7174 	bnx2x_cl45_read(bp, phy,
7175 			MDIO_PMA_DEVAD,
7176 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7177 
7178 	if (val != 1) {
7179 		/* No need to workaround in 8073 A1 */
7180 		return 0;
7181 	}
7182 
7183 	bnx2x_cl45_read(bp, phy,
7184 			MDIO_PMA_DEVAD,
7185 			MDIO_PMA_REG_ROM_VER2, &val);
7186 
7187 	/* SNR should be applied only for version 0x102 */
7188 	if (val != 0x102)
7189 		return 0;
7190 
7191 	return 1;
7192 }
7193 
7194 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7195 {
7196 	u16 val, cnt, cnt1 ;
7197 
7198 	bnx2x_cl45_read(bp, phy,
7199 			MDIO_PMA_DEVAD,
7200 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7201 
7202 	if (val > 0) {
7203 		/* No need to workaround in 8073 A1 */
7204 		return 0;
7205 	}
7206 	/* XAUI workaround in 8073 A0: */
7207 
7208 	/* After loading the boot ROM and restarting Autoneg, poll
7209 	 * Dev1, Reg $C820:
7210 	 */
7211 
7212 	for (cnt = 0; cnt < 1000; cnt++) {
7213 		bnx2x_cl45_read(bp, phy,
7214 				MDIO_PMA_DEVAD,
7215 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7216 				&val);
7217 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7218 		   * system initialization (XAUI work-around not required, as
7219 		   * these bits indicate 2.5G or 1G link up).
7220 		   */
7221 		if (!(val & (1<<14)) || !(val & (1<<13))) {
7222 			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7223 			return 0;
7224 		} else if (!(val & (1<<15))) {
7225 			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7226 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7227 			 * MSB (bit15) goes to 1 (indicating that the XAUI
7228 			 * workaround has completed), then continue on with
7229 			 * system initialization.
7230 			 */
7231 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7232 				bnx2x_cl45_read(bp, phy,
7233 					MDIO_PMA_DEVAD,
7234 					MDIO_PMA_REG_8073_XAUI_WA, &val);
7235 				if (val & (1<<15)) {
7236 					DP(NETIF_MSG_LINK,
7237 					  "XAUI workaround has completed\n");
7238 					return 0;
7239 				 }
7240 				 usleep_range(3000, 6000);
7241 			}
7242 			break;
7243 		}
7244 		usleep_range(3000, 6000);
7245 	}
7246 	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7247 	return -EINVAL;
7248 }
7249 
7250 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7251 {
7252 	/* Force KR or KX */
7253 	bnx2x_cl45_write(bp, phy,
7254 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7255 	bnx2x_cl45_write(bp, phy,
7256 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7257 	bnx2x_cl45_write(bp, phy,
7258 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7259 	bnx2x_cl45_write(bp, phy,
7260 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7261 }
7262 
7263 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7264 				      struct bnx2x_phy *phy,
7265 				      struct link_vars *vars)
7266 {
7267 	u16 cl37_val;
7268 	struct bnx2x *bp = params->bp;
7269 	bnx2x_cl45_read(bp, phy,
7270 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7271 
7272 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7273 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7274 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7275 	if ((vars->ieee_fc &
7276 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7277 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7278 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7279 	}
7280 	if ((vars->ieee_fc &
7281 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7282 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7283 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7284 	}
7285 	if ((vars->ieee_fc &
7286 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7287 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7288 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7289 	}
7290 	DP(NETIF_MSG_LINK,
7291 		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7292 
7293 	bnx2x_cl45_write(bp, phy,
7294 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7295 	msleep(500);
7296 }
7297 
7298 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7299 				     struct link_params *params,
7300 				     u32 action)
7301 {
7302 	struct bnx2x *bp = params->bp;
7303 	switch (action) {
7304 	case PHY_INIT:
7305 		/* Enable LASI */
7306 		bnx2x_cl45_write(bp, phy,
7307 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7308 		bnx2x_cl45_write(bp, phy,
7309 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7310 		break;
7311 	}
7312 }
7313 
7314 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7315 				  struct link_params *params,
7316 				  struct link_vars *vars)
7317 {
7318 	struct bnx2x *bp = params->bp;
7319 	u16 val = 0, tmp1;
7320 	u8 gpio_port;
7321 	DP(NETIF_MSG_LINK, "Init 8073\n");
7322 
7323 	if (CHIP_IS_E2(bp))
7324 		gpio_port = BP_PATH(bp);
7325 	else
7326 		gpio_port = params->port;
7327 	/* Restore normal power mode*/
7328 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7329 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7330 
7331 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7332 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7333 
7334 	bnx2x_8073_specific_func(phy, params, PHY_INIT);
7335 	bnx2x_8073_set_pause_cl37(params, phy, vars);
7336 
7337 	bnx2x_cl45_read(bp, phy,
7338 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7339 
7340 	bnx2x_cl45_read(bp, phy,
7341 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7342 
7343 	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7344 
7345 	/* Swap polarity if required - Must be done only in non-1G mode */
7346 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7347 		/* Configure the 8073 to swap _P and _N of the KR lines */
7348 		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7349 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7350 		bnx2x_cl45_read(bp, phy,
7351 				MDIO_PMA_DEVAD,
7352 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7353 		bnx2x_cl45_write(bp, phy,
7354 				 MDIO_PMA_DEVAD,
7355 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7356 				 (val | (3<<9)));
7357 	}
7358 
7359 
7360 	/* Enable CL37 BAM */
7361 	if (REG_RD(bp, params->shmem_base +
7362 			 offsetof(struct shmem_region, dev_info.
7363 				  port_hw_config[params->port].default_cfg)) &
7364 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7365 
7366 		bnx2x_cl45_read(bp, phy,
7367 				MDIO_AN_DEVAD,
7368 				MDIO_AN_REG_8073_BAM, &val);
7369 		bnx2x_cl45_write(bp, phy,
7370 				 MDIO_AN_DEVAD,
7371 				 MDIO_AN_REG_8073_BAM, val | 1);
7372 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7373 	}
7374 	if (params->loopback_mode == LOOPBACK_EXT) {
7375 		bnx2x_807x_force_10G(bp, phy);
7376 		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7377 		return 0;
7378 	} else {
7379 		bnx2x_cl45_write(bp, phy,
7380 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7381 	}
7382 	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7383 		if (phy->req_line_speed == SPEED_10000) {
7384 			val = (1<<7);
7385 		} else if (phy->req_line_speed ==  SPEED_2500) {
7386 			val = (1<<5);
7387 			/* Note that 2.5G works only when used with 1G
7388 			 * advertisement
7389 			 */
7390 		} else
7391 			val = (1<<5);
7392 	} else {
7393 		val = 0;
7394 		if (phy->speed_cap_mask &
7395 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7396 			val |= (1<<7);
7397 
7398 		/* Note that 2.5G works only when used with 1G advertisement */
7399 		if (phy->speed_cap_mask &
7400 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7401 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7402 			val |= (1<<5);
7403 		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7404 	}
7405 
7406 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7407 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7408 
7409 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7410 	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7411 	    (phy->req_line_speed == SPEED_2500)) {
7412 		u16 phy_ver;
7413 		/* Allow 2.5G for A1 and above */
7414 		bnx2x_cl45_read(bp, phy,
7415 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7416 				&phy_ver);
7417 		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7418 		if (phy_ver > 0)
7419 			tmp1 |= 1;
7420 		else
7421 			tmp1 &= 0xfffe;
7422 	} else {
7423 		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7424 		tmp1 &= 0xfffe;
7425 	}
7426 
7427 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7428 	/* Add support for CL37 (passive mode) II */
7429 
7430 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7431 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7432 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7433 				  0x20 : 0x40)));
7434 
7435 	/* Add support for CL37 (passive mode) III */
7436 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7437 
7438 	/* The SNR will improve about 2db by changing BW and FEE main
7439 	 * tap. Rest commands are executed after link is up
7440 	 * Change FFE main cursor to 5 in EDC register
7441 	 */
7442 	if (bnx2x_8073_is_snr_needed(bp, phy))
7443 		bnx2x_cl45_write(bp, phy,
7444 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7445 				 0xFB0C);
7446 
7447 	/* Enable FEC (Forware Error Correction) Request in the AN */
7448 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7449 	tmp1 |= (1<<15);
7450 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7451 
7452 	bnx2x_ext_phy_set_pause(params, phy, vars);
7453 
7454 	/* Restart autoneg */
7455 	msleep(500);
7456 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7457 	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7458 		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7459 	return 0;
7460 }
7461 
7462 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7463 				 struct link_params *params,
7464 				 struct link_vars *vars)
7465 {
7466 	struct bnx2x *bp = params->bp;
7467 	u8 link_up = 0;
7468 	u16 val1, val2;
7469 	u16 link_status = 0;
7470 	u16 an1000_status = 0;
7471 
7472 	bnx2x_cl45_read(bp, phy,
7473 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7474 
7475 	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7476 
7477 	/* Clear the interrupt LASI status register */
7478 	bnx2x_cl45_read(bp, phy,
7479 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7480 	bnx2x_cl45_read(bp, phy,
7481 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7482 	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7483 	/* Clear MSG-OUT */
7484 	bnx2x_cl45_read(bp, phy,
7485 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7486 
7487 	/* Check the LASI */
7488 	bnx2x_cl45_read(bp, phy,
7489 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7490 
7491 	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7492 
7493 	/* Check the link status */
7494 	bnx2x_cl45_read(bp, phy,
7495 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7496 	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7497 
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 	link_up = ((val1 & 4) == 4);
7503 	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7504 
7505 	if (link_up &&
7506 	     ((phy->req_line_speed != SPEED_10000))) {
7507 		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7508 			return 0;
7509 	}
7510 	bnx2x_cl45_read(bp, phy,
7511 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7512 	bnx2x_cl45_read(bp, phy,
7513 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7514 
7515 	/* Check the link status on 1.1.2 */
7516 	bnx2x_cl45_read(bp, phy,
7517 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7518 	bnx2x_cl45_read(bp, phy,
7519 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7520 	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7521 		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7522 
7523 	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7524 	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7525 		/* The SNR will improve about 2dbby changing the BW and FEE main
7526 		 * tap. The 1st write to change FFE main tap is set before
7527 		 * restart AN. Change PLL Bandwidth in EDC register
7528 		 */
7529 		bnx2x_cl45_write(bp, phy,
7530 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7531 				 0x26BC);
7532 
7533 		/* Change CDR Bandwidth in EDC register */
7534 		bnx2x_cl45_write(bp, phy,
7535 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7536 				 0x0333);
7537 	}
7538 	bnx2x_cl45_read(bp, phy,
7539 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7540 			&link_status);
7541 
7542 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7543 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7544 		link_up = 1;
7545 		vars->line_speed = SPEED_10000;
7546 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7547 			   params->port);
7548 	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7549 		link_up = 1;
7550 		vars->line_speed = SPEED_2500;
7551 		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7552 			   params->port);
7553 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7554 		link_up = 1;
7555 		vars->line_speed = SPEED_1000;
7556 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7557 			   params->port);
7558 	} else {
7559 		link_up = 0;
7560 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7561 			   params->port);
7562 	}
7563 
7564 	if (link_up) {
7565 		/* Swap polarity if required */
7566 		if (params->lane_config &
7567 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7568 			/* Configure the 8073 to swap P and N of the KR lines */
7569 			bnx2x_cl45_read(bp, phy,
7570 					MDIO_XS_DEVAD,
7571 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7572 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7573 			 * when it`s in 10G mode.
7574 			 */
7575 			if (vars->line_speed == SPEED_1000) {
7576 				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7577 					      "the 8073\n");
7578 				val1 |= (1<<3);
7579 			} else
7580 				val1 &= ~(1<<3);
7581 
7582 			bnx2x_cl45_write(bp, phy,
7583 					 MDIO_XS_DEVAD,
7584 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7585 					 val1);
7586 		}
7587 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7588 		bnx2x_8073_resolve_fc(phy, params, vars);
7589 		vars->duplex = DUPLEX_FULL;
7590 	}
7591 
7592 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7593 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7594 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7595 
7596 		if (val1 & (1<<5))
7597 			vars->link_status |=
7598 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7599 		if (val1 & (1<<7))
7600 			vars->link_status |=
7601 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7602 	}
7603 
7604 	return link_up;
7605 }
7606 
7607 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7608 				  struct link_params *params)
7609 {
7610 	struct bnx2x *bp = params->bp;
7611 	u8 gpio_port;
7612 	if (CHIP_IS_E2(bp))
7613 		gpio_port = BP_PATH(bp);
7614 	else
7615 		gpio_port = params->port;
7616 	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7617 	   gpio_port);
7618 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7619 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7620 		       gpio_port);
7621 }
7622 
7623 /******************************************************************/
7624 /*			BCM8705 PHY SECTION			  */
7625 /******************************************************************/
7626 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7627 				  struct link_params *params,
7628 				  struct link_vars *vars)
7629 {
7630 	struct bnx2x *bp = params->bp;
7631 	DP(NETIF_MSG_LINK, "init 8705\n");
7632 	/* Restore normal power mode*/
7633 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7634 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7635 	/* HW reset */
7636 	bnx2x_ext_phy_hw_reset(bp, params->port);
7637 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7638 	bnx2x_wait_reset_complete(bp, phy, params);
7639 
7640 	bnx2x_cl45_write(bp, phy,
7641 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7642 	bnx2x_cl45_write(bp, phy,
7643 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7644 	bnx2x_cl45_write(bp, phy,
7645 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7646 	bnx2x_cl45_write(bp, phy,
7647 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7648 	/* BCM8705 doesn't have microcode, hence the 0 */
7649 	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7650 	return 0;
7651 }
7652 
7653 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7654 				 struct link_params *params,
7655 				 struct link_vars *vars)
7656 {
7657 	u8 link_up = 0;
7658 	u16 val1, rx_sd;
7659 	struct bnx2x *bp = params->bp;
7660 	DP(NETIF_MSG_LINK, "read status 8705\n");
7661 	bnx2x_cl45_read(bp, phy,
7662 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7663 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7664 
7665 	bnx2x_cl45_read(bp, phy,
7666 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7667 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7668 
7669 	bnx2x_cl45_read(bp, phy,
7670 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7671 
7672 	bnx2x_cl45_read(bp, phy,
7673 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7674 	bnx2x_cl45_read(bp, phy,
7675 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7676 
7677 	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7678 	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7679 	if (link_up) {
7680 		vars->line_speed = SPEED_10000;
7681 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7682 	}
7683 	return link_up;
7684 }
7685 
7686 /******************************************************************/
7687 /*			SFP+ module Section			  */
7688 /******************************************************************/
7689 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7690 					   struct bnx2x_phy *phy,
7691 					   u8 pmd_dis)
7692 {
7693 	struct bnx2x *bp = params->bp;
7694 	/* Disable transmitter only for bootcodes which can enable it afterwards
7695 	 * (for D3 link)
7696 	 */
7697 	if (pmd_dis) {
7698 		if (params->feature_config_flags &
7699 		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7700 			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7701 		else {
7702 			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7703 			return;
7704 		}
7705 	} else
7706 		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7707 	bnx2x_cl45_write(bp, phy,
7708 			 MDIO_PMA_DEVAD,
7709 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7710 }
7711 
7712 static u8 bnx2x_get_gpio_port(struct link_params *params)
7713 {
7714 	u8 gpio_port;
7715 	u32 swap_val, swap_override;
7716 	struct bnx2x *bp = params->bp;
7717 	if (CHIP_IS_E2(bp))
7718 		gpio_port = BP_PATH(bp);
7719 	else
7720 		gpio_port = params->port;
7721 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7722 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7723 	return gpio_port ^ (swap_val && swap_override);
7724 }
7725 
7726 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7727 					   struct bnx2x_phy *phy,
7728 					   u8 tx_en)
7729 {
7730 	u16 val;
7731 	u8 port = params->port;
7732 	struct bnx2x *bp = params->bp;
7733 	u32 tx_en_mode;
7734 
7735 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7736 	tx_en_mode = REG_RD(bp, params->shmem_base +
7737 			    offsetof(struct shmem_region,
7738 				     dev_info.port_hw_config[port].sfp_ctrl)) &
7739 		PORT_HW_CFG_TX_LASER_MASK;
7740 	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7741 			   "mode = %x\n", tx_en, port, tx_en_mode);
7742 	switch (tx_en_mode) {
7743 	case PORT_HW_CFG_TX_LASER_MDIO:
7744 
7745 		bnx2x_cl45_read(bp, phy,
7746 				MDIO_PMA_DEVAD,
7747 				MDIO_PMA_REG_PHY_IDENTIFIER,
7748 				&val);
7749 
7750 		if (tx_en)
7751 			val &= ~(1<<15);
7752 		else
7753 			val |= (1<<15);
7754 
7755 		bnx2x_cl45_write(bp, phy,
7756 				 MDIO_PMA_DEVAD,
7757 				 MDIO_PMA_REG_PHY_IDENTIFIER,
7758 				 val);
7759 	break;
7760 	case PORT_HW_CFG_TX_LASER_GPIO0:
7761 	case PORT_HW_CFG_TX_LASER_GPIO1:
7762 	case PORT_HW_CFG_TX_LASER_GPIO2:
7763 	case PORT_HW_CFG_TX_LASER_GPIO3:
7764 	{
7765 		u16 gpio_pin;
7766 		u8 gpio_port, gpio_mode;
7767 		if (tx_en)
7768 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7769 		else
7770 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7771 
7772 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7773 		gpio_port = bnx2x_get_gpio_port(params);
7774 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7775 		break;
7776 	}
7777 	default:
7778 		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7779 		break;
7780 	}
7781 }
7782 
7783 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7784 				      struct bnx2x_phy *phy,
7785 				      u8 tx_en)
7786 {
7787 	struct bnx2x *bp = params->bp;
7788 	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7789 	if (CHIP_IS_E3(bp))
7790 		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7791 	else
7792 		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7793 }
7794 
7795 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7796 					     struct link_params *params,
7797 					     u8 dev_addr, u16 addr, u8 byte_cnt,
7798 					     u8 *o_buf, u8 is_init)
7799 {
7800 	struct bnx2x *bp = params->bp;
7801 	u16 val = 0;
7802 	u16 i;
7803 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7804 		DP(NETIF_MSG_LINK,
7805 		   "Reading from eeprom is limited to 0xf\n");
7806 		return -EINVAL;
7807 	}
7808 	/* Set the read command byte count */
7809 	bnx2x_cl45_write(bp, phy,
7810 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7811 			 (byte_cnt | (dev_addr << 8)));
7812 
7813 	/* Set the read command address */
7814 	bnx2x_cl45_write(bp, phy,
7815 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7816 			 addr);
7817 
7818 	/* Activate read command */
7819 	bnx2x_cl45_write(bp, phy,
7820 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7821 			 0x2c0f);
7822 
7823 	/* Wait up to 500us for command complete status */
7824 	for (i = 0; i < 100; i++) {
7825 		bnx2x_cl45_read(bp, phy,
7826 				MDIO_PMA_DEVAD,
7827 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7828 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7829 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7830 			break;
7831 		udelay(5);
7832 	}
7833 
7834 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7835 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7836 		DP(NETIF_MSG_LINK,
7837 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7838 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7839 		return -EINVAL;
7840 	}
7841 
7842 	/* Read the buffer */
7843 	for (i = 0; i < byte_cnt; i++) {
7844 		bnx2x_cl45_read(bp, phy,
7845 				MDIO_PMA_DEVAD,
7846 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7847 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7848 	}
7849 
7850 	for (i = 0; i < 100; i++) {
7851 		bnx2x_cl45_read(bp, phy,
7852 				MDIO_PMA_DEVAD,
7853 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7854 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7855 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7856 			return 0;
7857 		usleep_range(1000, 2000);
7858 	}
7859 	return -EINVAL;
7860 }
7861 
7862 static void bnx2x_warpcore_power_module(struct link_params *params,
7863 					u8 power)
7864 {
7865 	u32 pin_cfg;
7866 	struct bnx2x *bp = params->bp;
7867 
7868 	pin_cfg = (REG_RD(bp, params->shmem_base +
7869 			  offsetof(struct shmem_region,
7870 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7871 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7872 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7873 
7874 	if (pin_cfg == PIN_CFG_NA)
7875 		return;
7876 	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7877 		       power, pin_cfg);
7878 	/* Low ==> corresponding SFP+ module is powered
7879 	 * high ==> the SFP+ module is powered down
7880 	 */
7881 	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7882 }
7883 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7884 						 struct link_params *params,
7885 						 u8 dev_addr,
7886 						 u16 addr, u8 byte_cnt,
7887 						 u8 *o_buf, u8 is_init)
7888 {
7889 	int rc = 0;
7890 	u8 i, j = 0, cnt = 0;
7891 	u32 data_array[4];
7892 	u16 addr32;
7893 	struct bnx2x *bp = params->bp;
7894 
7895 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7896 		DP(NETIF_MSG_LINK,
7897 		   "Reading from eeprom is limited to 16 bytes\n");
7898 		return -EINVAL;
7899 	}
7900 
7901 	/* 4 byte aligned address */
7902 	addr32 = addr & (~0x3);
7903 	do {
7904 		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7905 			bnx2x_warpcore_power_module(params, 0);
7906 			/* Note that 100us are not enough here */
7907 			usleep_range(1000, 2000);
7908 			bnx2x_warpcore_power_module(params, 1);
7909 		}
7910 		rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7911 				    data_array);
7912 	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7913 
7914 	if (rc == 0) {
7915 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7916 			o_buf[j] = *((u8 *)data_array + i);
7917 			j++;
7918 		}
7919 	}
7920 
7921 	return rc;
7922 }
7923 
7924 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7925 					     struct link_params *params,
7926 					     u8 dev_addr, u16 addr, u8 byte_cnt,
7927 					     u8 *o_buf, u8 is_init)
7928 {
7929 	struct bnx2x *bp = params->bp;
7930 	u16 val, i;
7931 
7932 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7933 		DP(NETIF_MSG_LINK,
7934 		   "Reading from eeprom is limited to 0xf\n");
7935 		return -EINVAL;
7936 	}
7937 
7938 	/* Set 2-wire transfer rate of SFP+ module EEPROM
7939 	 * to 100Khz since some DACs(direct attached cables) do
7940 	 * not work at 400Khz.
7941 	 */
7942 	bnx2x_cl45_write(bp, phy,
7943 			 MDIO_PMA_DEVAD,
7944 			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
7945 			 ((dev_addr << 8) | 1));
7946 
7947 	/* Need to read from 1.8000 to clear it */
7948 	bnx2x_cl45_read(bp, phy,
7949 			MDIO_PMA_DEVAD,
7950 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7951 			&val);
7952 
7953 	/* Set the read command byte count */
7954 	bnx2x_cl45_write(bp, phy,
7955 			 MDIO_PMA_DEVAD,
7956 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7957 			 ((byte_cnt < 2) ? 2 : byte_cnt));
7958 
7959 	/* Set the read command address */
7960 	bnx2x_cl45_write(bp, phy,
7961 			 MDIO_PMA_DEVAD,
7962 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7963 			 addr);
7964 	/* Set the destination address */
7965 	bnx2x_cl45_write(bp, phy,
7966 			 MDIO_PMA_DEVAD,
7967 			 0x8004,
7968 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7969 
7970 	/* Activate read command */
7971 	bnx2x_cl45_write(bp, phy,
7972 			 MDIO_PMA_DEVAD,
7973 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7974 			 0x8002);
7975 	/* Wait appropriate time for two-wire command to finish before
7976 	 * polling the status register
7977 	 */
7978 	usleep_range(1000, 2000);
7979 
7980 	/* Wait up to 500us for command complete status */
7981 	for (i = 0; i < 100; i++) {
7982 		bnx2x_cl45_read(bp, phy,
7983 				MDIO_PMA_DEVAD,
7984 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7985 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7986 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7987 			break;
7988 		udelay(5);
7989 	}
7990 
7991 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7992 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7993 		DP(NETIF_MSG_LINK,
7994 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7995 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7996 		return -EFAULT;
7997 	}
7998 
7999 	/* Read the buffer */
8000 	for (i = 0; i < byte_cnt; i++) {
8001 		bnx2x_cl45_read(bp, phy,
8002 				MDIO_PMA_DEVAD,
8003 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8004 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8005 	}
8006 
8007 	for (i = 0; i < 100; i++) {
8008 		bnx2x_cl45_read(bp, phy,
8009 				MDIO_PMA_DEVAD,
8010 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8011 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8012 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8013 			return 0;
8014 		usleep_range(1000, 2000);
8015 	}
8016 
8017 	return -EINVAL;
8018 }
8019 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8020 				 struct link_params *params, u8 dev_addr,
8021 				 u16 addr, u16 byte_cnt, u8 *o_buf)
8022 {
8023 	int rc = 0;
8024 	struct bnx2x *bp = params->bp;
8025 	u8 xfer_size;
8026 	u8 *user_data = o_buf;
8027 	read_sfp_module_eeprom_func_p read_func;
8028 
8029 	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8030 		DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8031 		return -EINVAL;
8032 	}
8033 
8034 	switch (phy->type) {
8035 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8036 		read_func = bnx2x_8726_read_sfp_module_eeprom;
8037 		break;
8038 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8039 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8040 		read_func = bnx2x_8727_read_sfp_module_eeprom;
8041 		break;
8042 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8043 		read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8044 		break;
8045 	default:
8046 		return -EOPNOTSUPP;
8047 	}
8048 
8049 	while (!rc && (byte_cnt > 0)) {
8050 		xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8051 			SFP_EEPROM_PAGE_SIZE : byte_cnt;
8052 		rc = read_func(phy, params, dev_addr, addr, xfer_size,
8053 			       user_data, 0);
8054 		byte_cnt -= xfer_size;
8055 		user_data += xfer_size;
8056 		addr += xfer_size;
8057 	}
8058 	return rc;
8059 }
8060 
8061 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8062 			      struct link_params *params,
8063 			      u16 *edc_mode)
8064 {
8065 	struct bnx2x *bp = params->bp;
8066 	u32 sync_offset = 0, phy_idx, media_types;
8067 	u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8068 	*edc_mode = EDC_MODE_LIMITING;
8069 	phy->media_type = ETH_PHY_UNSPECIFIED;
8070 	/* First check for copper cable */
8071 	if (bnx2x_read_sfp_module_eeprom(phy,
8072 					 params,
8073 					 I2C_DEV_ADDR_A0,
8074 					 0,
8075 					 SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8076 					 (u8 *)val) != 0) {
8077 		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8078 		return -EINVAL;
8079 	}
8080 	params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8081 	params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8082 		LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8083 	bnx2x_update_link_attr(params, params->link_attr_sync);
8084 	switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
8085 	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8086 	{
8087 		u8 copper_module_type;
8088 		phy->media_type = ETH_PHY_DA_TWINAX;
8089 		/* Check if its active cable (includes SFP+ module)
8090 		 * of passive cable
8091 		 */
8092 		copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
8093 
8094 		if (copper_module_type &
8095 		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8096 			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8097 			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8098 				*edc_mode = EDC_MODE_ACTIVE_DAC;
8099 			else
8100 				check_limiting_mode = 1;
8101 		} else {
8102 			*edc_mode = EDC_MODE_PASSIVE_DAC;
8103 			/* Even in case PASSIVE_DAC indication is not set,
8104 			 * treat it as a passive DAC cable, since some cables
8105 			 * don't have this indication.
8106 			 */
8107 			if (copper_module_type &
8108 			    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8109 				DP(NETIF_MSG_LINK,
8110 				   "Passive Copper cable detected\n");
8111 			} else {
8112 				DP(NETIF_MSG_LINK,
8113 				   "Unknown copper-cable-type\n");
8114 			}
8115 		}
8116 		break;
8117 	}
8118 	case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8119 	case SFP_EEPROM_CON_TYPE_VAL_LC:
8120 	case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8121 		check_limiting_mode = 1;
8122 		if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
8123 		     (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8124 		      SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8125 		       SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
8126 		    (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
8127 			DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8128 			phy->media_type = ETH_PHY_SFP_1G_FIBER;
8129 			if (phy->req_line_speed != SPEED_1000) {
8130 				u8 gport = params->port;
8131 				phy->req_line_speed = SPEED_1000;
8132 				if (!CHIP_IS_E1x(bp)) {
8133 					gport = BP_PATH(bp) +
8134 					(params->port << 1);
8135 				}
8136 				netdev_err(bp->dev,
8137 					   "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8138 					   gport);
8139 			}
8140 			if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
8141 			    SFP_EEPROM_1G_COMP_CODE_BASE_T) {
8142 				bnx2x_sfp_set_transmitter(params, phy, 0);
8143 				msleep(40);
8144 				bnx2x_sfp_set_transmitter(params, phy, 1);
8145 			}
8146 		} else {
8147 			int idx, cfg_idx = 0;
8148 			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8149 			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8150 				if (params->phy[idx].type == phy->type) {
8151 					cfg_idx = LINK_CONFIG_IDX(idx);
8152 					break;
8153 				}
8154 			}
8155 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8156 			phy->req_line_speed = params->req_line_speed[cfg_idx];
8157 		}
8158 		break;
8159 	default:
8160 		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8161 			 val[SFP_EEPROM_CON_TYPE_ADDR]);
8162 		return -EINVAL;
8163 	}
8164 	sync_offset = params->shmem_base +
8165 		offsetof(struct shmem_region,
8166 			 dev_info.port_hw_config[params->port].media_type);
8167 	media_types = REG_RD(bp, sync_offset);
8168 	/* Update media type for non-PMF sync */
8169 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8170 		if (&(params->phy[phy_idx]) == phy) {
8171 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8172 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8173 			media_types |= ((phy->media_type &
8174 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8175 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8176 			break;
8177 		}
8178 	}
8179 	REG_WR(bp, sync_offset, media_types);
8180 	if (check_limiting_mode) {
8181 		u8 options[SFP_EEPROM_OPTIONS_SIZE];
8182 		if (bnx2x_read_sfp_module_eeprom(phy,
8183 						 params,
8184 						 I2C_DEV_ADDR_A0,
8185 						 SFP_EEPROM_OPTIONS_ADDR,
8186 						 SFP_EEPROM_OPTIONS_SIZE,
8187 						 options) != 0) {
8188 			DP(NETIF_MSG_LINK,
8189 			   "Failed to read Option field from module EEPROM\n");
8190 			return -EINVAL;
8191 		}
8192 		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8193 			*edc_mode = EDC_MODE_LINEAR;
8194 		else
8195 			*edc_mode = EDC_MODE_LIMITING;
8196 	}
8197 	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8198 	return 0;
8199 }
8200 /* This function read the relevant field from the module (SFP+), and verify it
8201  * is compliant with this board
8202  */
8203 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8204 				   struct link_params *params)
8205 {
8206 	struct bnx2x *bp = params->bp;
8207 	u32 val, cmd;
8208 	u32 fw_resp, fw_cmd_param;
8209 	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8210 	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8211 	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8212 	val = REG_RD(bp, params->shmem_base +
8213 			 offsetof(struct shmem_region, dev_info.
8214 				  port_feature_config[params->port].config));
8215 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8216 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8217 		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8218 		return 0;
8219 	}
8220 
8221 	if (params->feature_config_flags &
8222 	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8223 		/* Use specific phy request */
8224 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8225 	} else if (params->feature_config_flags &
8226 		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8227 		/* Use first phy request only in case of non-dual media*/
8228 		if (DUAL_MEDIA(params)) {
8229 			DP(NETIF_MSG_LINK,
8230 			   "FW does not support OPT MDL verification\n");
8231 			return -EINVAL;
8232 		}
8233 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8234 	} else {
8235 		/* No support in OPT MDL detection */
8236 		DP(NETIF_MSG_LINK,
8237 		   "FW does not support OPT MDL verification\n");
8238 		return -EINVAL;
8239 	}
8240 
8241 	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8242 	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8243 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8244 		DP(NETIF_MSG_LINK, "Approved module\n");
8245 		return 0;
8246 	}
8247 
8248 	/* Format the warning message */
8249 	if (bnx2x_read_sfp_module_eeprom(phy,
8250 					 params,
8251 					 I2C_DEV_ADDR_A0,
8252 					 SFP_EEPROM_VENDOR_NAME_ADDR,
8253 					 SFP_EEPROM_VENDOR_NAME_SIZE,
8254 					 (u8 *)vendor_name))
8255 		vendor_name[0] = '\0';
8256 	else
8257 		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8258 	if (bnx2x_read_sfp_module_eeprom(phy,
8259 					 params,
8260 					 I2C_DEV_ADDR_A0,
8261 					 SFP_EEPROM_PART_NO_ADDR,
8262 					 SFP_EEPROM_PART_NO_SIZE,
8263 					 (u8 *)vendor_pn))
8264 		vendor_pn[0] = '\0';
8265 	else
8266 		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8267 
8268 	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8269 			      " Port %d from %s part number %s\n",
8270 			 params->port, vendor_name, vendor_pn);
8271 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8272 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8273 		phy->flags |= FLAGS_SFP_NOT_APPROVED;
8274 	return -EINVAL;
8275 }
8276 
8277 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8278 						 struct link_params *params)
8279 
8280 {
8281 	u8 val;
8282 	int rc;
8283 	struct bnx2x *bp = params->bp;
8284 	u16 timeout;
8285 	/* Initialization time after hot-plug may take up to 300ms for
8286 	 * some phys type ( e.g. JDSU )
8287 	 */
8288 
8289 	for (timeout = 0; timeout < 60; timeout++) {
8290 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8291 			rc = bnx2x_warpcore_read_sfp_module_eeprom(
8292 				phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8293 				1);
8294 		else
8295 			rc = bnx2x_read_sfp_module_eeprom(phy, params,
8296 							  I2C_DEV_ADDR_A0,
8297 							  1, 1, &val);
8298 		if (rc == 0) {
8299 			DP(NETIF_MSG_LINK,
8300 			   "SFP+ module initialization took %d ms\n",
8301 			   timeout * 5);
8302 			return 0;
8303 		}
8304 		usleep_range(5000, 10000);
8305 	}
8306 	rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8307 					  1, 1, &val);
8308 	return rc;
8309 }
8310 
8311 static void bnx2x_8727_power_module(struct bnx2x *bp,
8312 				    struct bnx2x_phy *phy,
8313 				    u8 is_power_up) {
8314 	/* Make sure GPIOs are not using for LED mode */
8315 	u16 val;
8316 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8317 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8318 	 * output
8319 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8320 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8321 	 * where the 1st bit is the over-current(only input), and 2nd bit is
8322 	 * for power( only output )
8323 	 *
8324 	 * In case of NOC feature is disabled and power is up, set GPIO control
8325 	 *  as input to enable listening of over-current indication
8326 	 */
8327 	if (phy->flags & FLAGS_NOC)
8328 		return;
8329 	if (is_power_up)
8330 		val = (1<<4);
8331 	else
8332 		/* Set GPIO control to OUTPUT, and set the power bit
8333 		 * to according to the is_power_up
8334 		 */
8335 		val = (1<<1);
8336 
8337 	bnx2x_cl45_write(bp, phy,
8338 			 MDIO_PMA_DEVAD,
8339 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8340 			 val);
8341 }
8342 
8343 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8344 					struct bnx2x_phy *phy,
8345 					u16 edc_mode)
8346 {
8347 	u16 cur_limiting_mode;
8348 
8349 	bnx2x_cl45_read(bp, phy,
8350 			MDIO_PMA_DEVAD,
8351 			MDIO_PMA_REG_ROM_VER2,
8352 			&cur_limiting_mode);
8353 	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8354 		 cur_limiting_mode);
8355 
8356 	if (edc_mode == EDC_MODE_LIMITING) {
8357 		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8358 		bnx2x_cl45_write(bp, phy,
8359 				 MDIO_PMA_DEVAD,
8360 				 MDIO_PMA_REG_ROM_VER2,
8361 				 EDC_MODE_LIMITING);
8362 	} else { /* LRM mode ( default )*/
8363 
8364 		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8365 
8366 		/* Changing to LRM mode takes quite few seconds. So do it only
8367 		 * if current mode is limiting (default is LRM)
8368 		 */
8369 		if (cur_limiting_mode != EDC_MODE_LIMITING)
8370 			return 0;
8371 
8372 		bnx2x_cl45_write(bp, phy,
8373 				 MDIO_PMA_DEVAD,
8374 				 MDIO_PMA_REG_LRM_MODE,
8375 				 0);
8376 		bnx2x_cl45_write(bp, phy,
8377 				 MDIO_PMA_DEVAD,
8378 				 MDIO_PMA_REG_ROM_VER2,
8379 				 0x128);
8380 		bnx2x_cl45_write(bp, phy,
8381 				 MDIO_PMA_DEVAD,
8382 				 MDIO_PMA_REG_MISC_CTRL0,
8383 				 0x4008);
8384 		bnx2x_cl45_write(bp, phy,
8385 				 MDIO_PMA_DEVAD,
8386 				 MDIO_PMA_REG_LRM_MODE,
8387 				 0xaaaa);
8388 	}
8389 	return 0;
8390 }
8391 
8392 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8393 					struct bnx2x_phy *phy,
8394 					u16 edc_mode)
8395 {
8396 	u16 phy_identifier;
8397 	u16 rom_ver2_val;
8398 	bnx2x_cl45_read(bp, phy,
8399 			MDIO_PMA_DEVAD,
8400 			MDIO_PMA_REG_PHY_IDENTIFIER,
8401 			&phy_identifier);
8402 
8403 	bnx2x_cl45_write(bp, phy,
8404 			 MDIO_PMA_DEVAD,
8405 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8406 			 (phy_identifier & ~(1<<9)));
8407 
8408 	bnx2x_cl45_read(bp, phy,
8409 			MDIO_PMA_DEVAD,
8410 			MDIO_PMA_REG_ROM_VER2,
8411 			&rom_ver2_val);
8412 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8413 	bnx2x_cl45_write(bp, phy,
8414 			 MDIO_PMA_DEVAD,
8415 			 MDIO_PMA_REG_ROM_VER2,
8416 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8417 
8418 	bnx2x_cl45_write(bp, phy,
8419 			 MDIO_PMA_DEVAD,
8420 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8421 			 (phy_identifier | (1<<9)));
8422 
8423 	return 0;
8424 }
8425 
8426 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8427 				     struct link_params *params,
8428 				     u32 action)
8429 {
8430 	struct bnx2x *bp = params->bp;
8431 	u16 val;
8432 	switch (action) {
8433 	case DISABLE_TX:
8434 		bnx2x_sfp_set_transmitter(params, phy, 0);
8435 		break;
8436 	case ENABLE_TX:
8437 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8438 			bnx2x_sfp_set_transmitter(params, phy, 1);
8439 		break;
8440 	case PHY_INIT:
8441 		bnx2x_cl45_write(bp, phy,
8442 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8443 				 (1<<2) | (1<<5));
8444 		bnx2x_cl45_write(bp, phy,
8445 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8446 				 0);
8447 		bnx2x_cl45_write(bp, phy,
8448 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8449 		/* Make MOD_ABS give interrupt on change */
8450 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8451 				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8452 				&val);
8453 		val |= (1<<12);
8454 		if (phy->flags & FLAGS_NOC)
8455 			val |= (3<<5);
8456 		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8457 		 * status which reflect SFP+ module over-current
8458 		 */
8459 		if (!(phy->flags & FLAGS_NOC))
8460 			val &= 0xff8f; /* Reset bits 4-6 */
8461 		bnx2x_cl45_write(bp, phy,
8462 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8463 				 val);
8464 		break;
8465 	default:
8466 		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8467 		   action);
8468 		return;
8469 	}
8470 }
8471 
8472 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8473 					   u8 gpio_mode)
8474 {
8475 	struct bnx2x *bp = params->bp;
8476 
8477 	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8478 			    offsetof(struct shmem_region,
8479 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8480 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8481 	switch (fault_led_gpio) {
8482 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8483 		return;
8484 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8485 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8486 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8487 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8488 	{
8489 		u8 gpio_port = bnx2x_get_gpio_port(params);
8490 		u16 gpio_pin = fault_led_gpio -
8491 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8492 		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8493 				   "pin %x port %x mode %x\n",
8494 			       gpio_pin, gpio_port, gpio_mode);
8495 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8496 	}
8497 	break;
8498 	default:
8499 		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8500 			       fault_led_gpio);
8501 	}
8502 }
8503 
8504 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8505 					  u8 gpio_mode)
8506 {
8507 	u32 pin_cfg;
8508 	u8 port = params->port;
8509 	struct bnx2x *bp = params->bp;
8510 	pin_cfg = (REG_RD(bp, params->shmem_base +
8511 			 offsetof(struct shmem_region,
8512 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8513 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8514 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8515 	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8516 		       gpio_mode, pin_cfg);
8517 	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8518 }
8519 
8520 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8521 					   u8 gpio_mode)
8522 {
8523 	struct bnx2x *bp = params->bp;
8524 	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8525 	if (CHIP_IS_E3(bp)) {
8526 		/* Low ==> if SFP+ module is supported otherwise
8527 		 * High ==> if SFP+ module is not on the approved vendor list
8528 		 */
8529 		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8530 	} else
8531 		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8532 }
8533 
8534 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8535 				    struct link_params *params)
8536 {
8537 	struct bnx2x *bp = params->bp;
8538 	bnx2x_warpcore_power_module(params, 0);
8539 	/* Put Warpcore in low power mode */
8540 	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8541 
8542 	/* Put LCPLL in low power mode */
8543 	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8544 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8545 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8546 }
8547 
8548 static void bnx2x_power_sfp_module(struct link_params *params,
8549 				   struct bnx2x_phy *phy,
8550 				   u8 power)
8551 {
8552 	struct bnx2x *bp = params->bp;
8553 	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8554 
8555 	switch (phy->type) {
8556 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8557 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8558 		bnx2x_8727_power_module(params->bp, phy, power);
8559 		break;
8560 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8561 		bnx2x_warpcore_power_module(params, power);
8562 		break;
8563 	default:
8564 		break;
8565 	}
8566 }
8567 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8568 					     struct bnx2x_phy *phy,
8569 					     u16 edc_mode)
8570 {
8571 	u16 val = 0;
8572 	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8573 	struct bnx2x *bp = params->bp;
8574 
8575 	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8576 	/* This is a global register which controls all lanes */
8577 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8578 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8579 	val &= ~(0xf << (lane << 2));
8580 
8581 	switch (edc_mode) {
8582 	case EDC_MODE_LINEAR:
8583 	case EDC_MODE_LIMITING:
8584 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8585 		break;
8586 	case EDC_MODE_PASSIVE_DAC:
8587 	case EDC_MODE_ACTIVE_DAC:
8588 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8589 		break;
8590 	default:
8591 		break;
8592 	}
8593 
8594 	val |= (mode << (lane << 2));
8595 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8596 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8597 	/* A must read */
8598 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8599 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8600 
8601 	/* Restart microcode to re-read the new mode */
8602 	bnx2x_warpcore_reset_lane(bp, phy, 1);
8603 	bnx2x_warpcore_reset_lane(bp, phy, 0);
8604 
8605 }
8606 
8607 static void bnx2x_set_limiting_mode(struct link_params *params,
8608 				    struct bnx2x_phy *phy,
8609 				    u16 edc_mode)
8610 {
8611 	switch (phy->type) {
8612 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8613 		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8614 		break;
8615 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8616 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8617 		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8618 		break;
8619 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8620 		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8621 		break;
8622 	}
8623 }
8624 
8625 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8626 				      struct link_params *params)
8627 {
8628 	struct bnx2x *bp = params->bp;
8629 	u16 edc_mode;
8630 	int rc = 0;
8631 
8632 	u32 val = REG_RD(bp, params->shmem_base +
8633 			     offsetof(struct shmem_region, dev_info.
8634 				     port_feature_config[params->port].config));
8635 	/* Enabled transmitter by default */
8636 	bnx2x_sfp_set_transmitter(params, phy, 1);
8637 	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8638 		 params->port);
8639 	/* Power up module */
8640 	bnx2x_power_sfp_module(params, phy, 1);
8641 	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8642 		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8643 		return -EINVAL;
8644 	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8645 		/* Check SFP+ module compatibility */
8646 		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8647 		rc = -EINVAL;
8648 		/* Turn on fault module-detected led */
8649 		bnx2x_set_sfp_module_fault_led(params,
8650 					       MISC_REGISTERS_GPIO_HIGH);
8651 
8652 		/* Check if need to power down the SFP+ module */
8653 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8654 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8655 			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8656 			bnx2x_power_sfp_module(params, phy, 0);
8657 			return rc;
8658 		}
8659 	} else {
8660 		/* Turn off fault module-detected led */
8661 		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8662 	}
8663 
8664 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8665 	 * is done automatically
8666 	 */
8667 	bnx2x_set_limiting_mode(params, phy, edc_mode);
8668 
8669 	/* Disable transmit for this module if the module is not approved, and
8670 	 * laser needs to be disabled.
8671 	 */
8672 	if ((rc) &&
8673 	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8674 	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8675 		bnx2x_sfp_set_transmitter(params, phy, 0);
8676 
8677 	return rc;
8678 }
8679 
8680 void bnx2x_handle_module_detect_int(struct link_params *params)
8681 {
8682 	struct bnx2x *bp = params->bp;
8683 	struct bnx2x_phy *phy;
8684 	u32 gpio_val;
8685 	u8 gpio_num, gpio_port;
8686 	if (CHIP_IS_E3(bp)) {
8687 		phy = &params->phy[INT_PHY];
8688 		/* Always enable TX laser,will be disabled in case of fault */
8689 		bnx2x_sfp_set_transmitter(params, phy, 1);
8690 	} else {
8691 		phy = &params->phy[EXT_PHY1];
8692 	}
8693 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8694 				      params->port, &gpio_num, &gpio_port) ==
8695 	    -EINVAL) {
8696 		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8697 		return;
8698 	}
8699 
8700 	/* Set valid module led off */
8701 	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8702 
8703 	/* Get current gpio val reflecting module plugged in / out*/
8704 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8705 
8706 	/* Call the handling function in case module is detected */
8707 	if (gpio_val == 0) {
8708 		bnx2x_set_mdio_emac_per_phy(bp, params);
8709 		bnx2x_set_aer_mmd(params, phy);
8710 
8711 		bnx2x_power_sfp_module(params, phy, 1);
8712 		bnx2x_set_gpio_int(bp, gpio_num,
8713 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8714 				   gpio_port);
8715 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8716 			bnx2x_sfp_module_detection(phy, params);
8717 			if (CHIP_IS_E3(bp)) {
8718 				u16 rx_tx_in_reset;
8719 				/* In case WC is out of reset, reconfigure the
8720 				 * link speed while taking into account 1G
8721 				 * module limitation.
8722 				 */
8723 				bnx2x_cl45_read(bp, phy,
8724 						MDIO_WC_DEVAD,
8725 						MDIO_WC_REG_DIGITAL5_MISC6,
8726 						&rx_tx_in_reset);
8727 				if ((!rx_tx_in_reset) &&
8728 				    (params->link_flags &
8729 				     PHY_INITIALIZED)) {
8730 					bnx2x_warpcore_reset_lane(bp, phy, 1);
8731 					bnx2x_warpcore_config_sfi(phy, params);
8732 					bnx2x_warpcore_reset_lane(bp, phy, 0);
8733 				}
8734 			}
8735 		} else {
8736 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8737 		}
8738 	} else {
8739 		bnx2x_set_gpio_int(bp, gpio_num,
8740 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8741 				   gpio_port);
8742 		/* Module was plugged out.
8743 		 * Disable transmit for this module
8744 		 */
8745 		phy->media_type = ETH_PHY_NOT_PRESENT;
8746 	}
8747 }
8748 
8749 /******************************************************************/
8750 /*		Used by 8706 and 8727                             */
8751 /******************************************************************/
8752 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8753 				 struct bnx2x_phy *phy,
8754 				 u16 alarm_status_offset,
8755 				 u16 alarm_ctrl_offset)
8756 {
8757 	u16 alarm_status, val;
8758 	bnx2x_cl45_read(bp, phy,
8759 			MDIO_PMA_DEVAD, alarm_status_offset,
8760 			&alarm_status);
8761 	bnx2x_cl45_read(bp, phy,
8762 			MDIO_PMA_DEVAD, alarm_status_offset,
8763 			&alarm_status);
8764 	/* Mask or enable the fault event. */
8765 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8766 	if (alarm_status & (1<<0))
8767 		val &= ~(1<<0);
8768 	else
8769 		val |= (1<<0);
8770 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8771 }
8772 /******************************************************************/
8773 /*		common BCM8706/BCM8726 PHY SECTION		  */
8774 /******************************************************************/
8775 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8776 				      struct link_params *params,
8777 				      struct link_vars *vars)
8778 {
8779 	u8 link_up = 0;
8780 	u16 val1, val2, rx_sd, pcs_status;
8781 	struct bnx2x *bp = params->bp;
8782 	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8783 	/* Clear RX Alarm*/
8784 	bnx2x_cl45_read(bp, phy,
8785 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8786 
8787 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8788 			     MDIO_PMA_LASI_TXCTRL);
8789 
8790 	/* Clear LASI indication*/
8791 	bnx2x_cl45_read(bp, phy,
8792 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8793 	bnx2x_cl45_read(bp, phy,
8794 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8795 	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8796 
8797 	bnx2x_cl45_read(bp, phy,
8798 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8799 	bnx2x_cl45_read(bp, phy,
8800 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8801 	bnx2x_cl45_read(bp, phy,
8802 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8803 	bnx2x_cl45_read(bp, phy,
8804 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8805 
8806 	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8807 			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8808 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8809 	 * are set, or if the autoneg bit 1 is set
8810 	 */
8811 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8812 	if (link_up) {
8813 		if (val2 & (1<<1))
8814 			vars->line_speed = SPEED_1000;
8815 		else
8816 			vars->line_speed = SPEED_10000;
8817 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8818 		vars->duplex = DUPLEX_FULL;
8819 	}
8820 
8821 	/* Capture 10G link fault. Read twice to clear stale value. */
8822 	if (vars->line_speed == SPEED_10000) {
8823 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8824 			    MDIO_PMA_LASI_TXSTAT, &val1);
8825 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8826 			    MDIO_PMA_LASI_TXSTAT, &val1);
8827 		if (val1 & (1<<0))
8828 			vars->fault_detected = 1;
8829 	}
8830 
8831 	return link_up;
8832 }
8833 
8834 /******************************************************************/
8835 /*			BCM8706 PHY SECTION			  */
8836 /******************************************************************/
8837 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8838 				 struct link_params *params,
8839 				 struct link_vars *vars)
8840 {
8841 	u32 tx_en_mode;
8842 	u16 cnt, val, tmp1;
8843 	struct bnx2x *bp = params->bp;
8844 
8845 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8846 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8847 	/* HW reset */
8848 	bnx2x_ext_phy_hw_reset(bp, params->port);
8849 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8850 	bnx2x_wait_reset_complete(bp, phy, params);
8851 
8852 	/* Wait until fw is loaded */
8853 	for (cnt = 0; cnt < 100; cnt++) {
8854 		bnx2x_cl45_read(bp, phy,
8855 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8856 		if (val)
8857 			break;
8858 		usleep_range(10000, 20000);
8859 	}
8860 	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8861 	if ((params->feature_config_flags &
8862 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8863 		u8 i;
8864 		u16 reg;
8865 		for (i = 0; i < 4; i++) {
8866 			reg = MDIO_XS_8706_REG_BANK_RX0 +
8867 				i*(MDIO_XS_8706_REG_BANK_RX1 -
8868 				   MDIO_XS_8706_REG_BANK_RX0);
8869 			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8870 			/* Clear first 3 bits of the control */
8871 			val &= ~0x7;
8872 			/* Set control bits according to configuration */
8873 			val |= (phy->rx_preemphasis[i] & 0x7);
8874 			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8875 				   " reg 0x%x <-- val 0x%x\n", reg, val);
8876 			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8877 		}
8878 	}
8879 	/* Force speed */
8880 	if (phy->req_line_speed == SPEED_10000) {
8881 		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8882 
8883 		bnx2x_cl45_write(bp, phy,
8884 				 MDIO_PMA_DEVAD,
8885 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8886 		bnx2x_cl45_write(bp, phy,
8887 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8888 				 0);
8889 		/* Arm LASI for link and Tx fault. */
8890 		bnx2x_cl45_write(bp, phy,
8891 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8892 	} else {
8893 		/* Force 1Gbps using autoneg with 1G advertisement */
8894 
8895 		/* Allow CL37 through CL73 */
8896 		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8897 		bnx2x_cl45_write(bp, phy,
8898 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8899 
8900 		/* Enable Full-Duplex advertisement on CL37 */
8901 		bnx2x_cl45_write(bp, phy,
8902 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8903 		/* Enable CL37 AN */
8904 		bnx2x_cl45_write(bp, phy,
8905 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8906 		/* 1G support */
8907 		bnx2x_cl45_write(bp, phy,
8908 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8909 
8910 		/* Enable clause 73 AN */
8911 		bnx2x_cl45_write(bp, phy,
8912 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8913 		bnx2x_cl45_write(bp, phy,
8914 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8915 				 0x0400);
8916 		bnx2x_cl45_write(bp, phy,
8917 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8918 				 0x0004);
8919 	}
8920 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8921 
8922 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8923 	 * power mode, if TX Laser is disabled
8924 	 */
8925 
8926 	tx_en_mode = REG_RD(bp, params->shmem_base +
8927 			    offsetof(struct shmem_region,
8928 				dev_info.port_hw_config[params->port].sfp_ctrl))
8929 			& PORT_HW_CFG_TX_LASER_MASK;
8930 
8931 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8932 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8933 		bnx2x_cl45_read(bp, phy,
8934 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8935 		tmp1 |= 0x1;
8936 		bnx2x_cl45_write(bp, phy,
8937 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8938 	}
8939 
8940 	return 0;
8941 }
8942 
8943 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8944 				  struct link_params *params,
8945 				  struct link_vars *vars)
8946 {
8947 	return bnx2x_8706_8726_read_status(phy, params, vars);
8948 }
8949 
8950 /******************************************************************/
8951 /*			BCM8726 PHY SECTION			  */
8952 /******************************************************************/
8953 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8954 				       struct link_params *params)
8955 {
8956 	struct bnx2x *bp = params->bp;
8957 	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8958 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8959 }
8960 
8961 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8962 					 struct link_params *params)
8963 {
8964 	struct bnx2x *bp = params->bp;
8965 	/* Need to wait 100ms after reset */
8966 	msleep(100);
8967 
8968 	/* Micro controller re-boot */
8969 	bnx2x_cl45_write(bp, phy,
8970 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8971 
8972 	/* Set soft reset */
8973 	bnx2x_cl45_write(bp, phy,
8974 			 MDIO_PMA_DEVAD,
8975 			 MDIO_PMA_REG_GEN_CTRL,
8976 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8977 
8978 	bnx2x_cl45_write(bp, phy,
8979 			 MDIO_PMA_DEVAD,
8980 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8981 
8982 	bnx2x_cl45_write(bp, phy,
8983 			 MDIO_PMA_DEVAD,
8984 			 MDIO_PMA_REG_GEN_CTRL,
8985 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8986 
8987 	/* Wait for 150ms for microcode load */
8988 	msleep(150);
8989 
8990 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8991 	bnx2x_cl45_write(bp, phy,
8992 			 MDIO_PMA_DEVAD,
8993 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8994 
8995 	msleep(200);
8996 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8997 }
8998 
8999 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9000 				 struct link_params *params,
9001 				 struct link_vars *vars)
9002 {
9003 	struct bnx2x *bp = params->bp;
9004 	u16 val1;
9005 	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9006 	if (link_up) {
9007 		bnx2x_cl45_read(bp, phy,
9008 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9009 				&val1);
9010 		if (val1 & (1<<15)) {
9011 			DP(NETIF_MSG_LINK, "Tx is disabled\n");
9012 			link_up = 0;
9013 			vars->line_speed = 0;
9014 		}
9015 	}
9016 	return link_up;
9017 }
9018 
9019 
9020 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9021 				  struct link_params *params,
9022 				  struct link_vars *vars)
9023 {
9024 	struct bnx2x *bp = params->bp;
9025 	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9026 
9027 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9028 	bnx2x_wait_reset_complete(bp, phy, params);
9029 
9030 	bnx2x_8726_external_rom_boot(phy, params);
9031 
9032 	/* Need to call module detected on initialization since the module
9033 	 * detection triggered by actual module insertion might occur before
9034 	 * driver is loaded, and when driver is loaded, it reset all
9035 	 * registers, including the transmitter
9036 	 */
9037 	bnx2x_sfp_module_detection(phy, params);
9038 
9039 	if (phy->req_line_speed == SPEED_1000) {
9040 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9041 		bnx2x_cl45_write(bp, phy,
9042 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9043 		bnx2x_cl45_write(bp, phy,
9044 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9045 		bnx2x_cl45_write(bp, phy,
9046 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9047 		bnx2x_cl45_write(bp, phy,
9048 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9049 				 0x400);
9050 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9051 		   (phy->speed_cap_mask &
9052 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9053 		   ((phy->speed_cap_mask &
9054 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9055 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9056 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9057 		/* Set Flow control */
9058 		bnx2x_ext_phy_set_pause(params, phy, vars);
9059 		bnx2x_cl45_write(bp, phy,
9060 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9061 		bnx2x_cl45_write(bp, phy,
9062 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9063 		bnx2x_cl45_write(bp, phy,
9064 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9065 		bnx2x_cl45_write(bp, phy,
9066 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9067 		bnx2x_cl45_write(bp, phy,
9068 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9069 		/* Enable RX-ALARM control to receive interrupt for 1G speed
9070 		 * change
9071 		 */
9072 		bnx2x_cl45_write(bp, phy,
9073 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9074 		bnx2x_cl45_write(bp, phy,
9075 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9076 				 0x400);
9077 
9078 	} else { /* Default 10G. Set only LASI control */
9079 		bnx2x_cl45_write(bp, phy,
9080 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9081 	}
9082 
9083 	/* Set TX PreEmphasis if needed */
9084 	if ((params->feature_config_flags &
9085 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9086 		DP(NETIF_MSG_LINK,
9087 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9088 			 phy->tx_preemphasis[0],
9089 			 phy->tx_preemphasis[1]);
9090 		bnx2x_cl45_write(bp, phy,
9091 				 MDIO_PMA_DEVAD,
9092 				 MDIO_PMA_REG_8726_TX_CTRL1,
9093 				 phy->tx_preemphasis[0]);
9094 
9095 		bnx2x_cl45_write(bp, phy,
9096 				 MDIO_PMA_DEVAD,
9097 				 MDIO_PMA_REG_8726_TX_CTRL2,
9098 				 phy->tx_preemphasis[1]);
9099 	}
9100 
9101 	return 0;
9102 
9103 }
9104 
9105 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9106 				  struct link_params *params)
9107 {
9108 	struct bnx2x *bp = params->bp;
9109 	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9110 	/* Set serial boot control for external load */
9111 	bnx2x_cl45_write(bp, phy,
9112 			 MDIO_PMA_DEVAD,
9113 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9114 }
9115 
9116 /******************************************************************/
9117 /*			BCM8727 PHY SECTION			  */
9118 /******************************************************************/
9119 
9120 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9121 				    struct link_params *params, u8 mode)
9122 {
9123 	struct bnx2x *bp = params->bp;
9124 	u16 led_mode_bitmask = 0;
9125 	u16 gpio_pins_bitmask = 0;
9126 	u16 val;
9127 	/* Only NOC flavor requires to set the LED specifically */
9128 	if (!(phy->flags & FLAGS_NOC))
9129 		return;
9130 	switch (mode) {
9131 	case LED_MODE_FRONT_PANEL_OFF:
9132 	case LED_MODE_OFF:
9133 		led_mode_bitmask = 0;
9134 		gpio_pins_bitmask = 0x03;
9135 		break;
9136 	case LED_MODE_ON:
9137 		led_mode_bitmask = 0;
9138 		gpio_pins_bitmask = 0x02;
9139 		break;
9140 	case LED_MODE_OPER:
9141 		led_mode_bitmask = 0x60;
9142 		gpio_pins_bitmask = 0x11;
9143 		break;
9144 	}
9145 	bnx2x_cl45_read(bp, phy,
9146 			MDIO_PMA_DEVAD,
9147 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9148 			&val);
9149 	val &= 0xff8f;
9150 	val |= led_mode_bitmask;
9151 	bnx2x_cl45_write(bp, phy,
9152 			 MDIO_PMA_DEVAD,
9153 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9154 			 val);
9155 	bnx2x_cl45_read(bp, phy,
9156 			MDIO_PMA_DEVAD,
9157 			MDIO_PMA_REG_8727_GPIO_CTRL,
9158 			&val);
9159 	val &= 0xffe0;
9160 	val |= gpio_pins_bitmask;
9161 	bnx2x_cl45_write(bp, phy,
9162 			 MDIO_PMA_DEVAD,
9163 			 MDIO_PMA_REG_8727_GPIO_CTRL,
9164 			 val);
9165 }
9166 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9167 				struct link_params *params) {
9168 	u32 swap_val, swap_override;
9169 	u8 port;
9170 	/* The PHY reset is controlled by GPIO 1. Fake the port number
9171 	 * to cancel the swap done in set_gpio()
9172 	 */
9173 	struct bnx2x *bp = params->bp;
9174 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9175 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9176 	port = (swap_val && swap_override) ^ 1;
9177 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9178 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9179 }
9180 
9181 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9182 				    struct link_params *params)
9183 {
9184 	struct bnx2x *bp = params->bp;
9185 	u16 tmp1, val;
9186 	/* Set option 1G speed */
9187 	if ((phy->req_line_speed == SPEED_1000) ||
9188 	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9189 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9190 		bnx2x_cl45_write(bp, phy,
9191 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9192 		bnx2x_cl45_write(bp, phy,
9193 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9194 		bnx2x_cl45_read(bp, phy,
9195 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9196 		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9197 		/* Power down the XAUI until link is up in case of dual-media
9198 		 * and 1G
9199 		 */
9200 		if (DUAL_MEDIA(params)) {
9201 			bnx2x_cl45_read(bp, phy,
9202 					MDIO_PMA_DEVAD,
9203 					MDIO_PMA_REG_8727_PCS_GP, &val);
9204 			val |= (3<<10);
9205 			bnx2x_cl45_write(bp, phy,
9206 					 MDIO_PMA_DEVAD,
9207 					 MDIO_PMA_REG_8727_PCS_GP, val);
9208 		}
9209 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9210 		   ((phy->speed_cap_mask &
9211 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9212 		   ((phy->speed_cap_mask &
9213 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9214 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9215 
9216 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9217 		bnx2x_cl45_write(bp, phy,
9218 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9219 		bnx2x_cl45_write(bp, phy,
9220 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9221 	} else {
9222 		/* Since the 8727 has only single reset pin, need to set the 10G
9223 		 * registers although it is default
9224 		 */
9225 		bnx2x_cl45_write(bp, phy,
9226 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9227 				 0x0020);
9228 		bnx2x_cl45_write(bp, phy,
9229 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9230 		bnx2x_cl45_write(bp, phy,
9231 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9232 		bnx2x_cl45_write(bp, phy,
9233 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9234 				 0x0008);
9235 	}
9236 }
9237 
9238 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9239 				  struct link_params *params,
9240 				  struct link_vars *vars)
9241 {
9242 	u32 tx_en_mode;
9243 	u16 tmp1, mod_abs, tmp2;
9244 	struct bnx2x *bp = params->bp;
9245 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9246 
9247 	bnx2x_wait_reset_complete(bp, phy, params);
9248 
9249 	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9250 
9251 	bnx2x_8727_specific_func(phy, params, PHY_INIT);
9252 	/* Initially configure MOD_ABS to interrupt when module is
9253 	 * presence( bit 8)
9254 	 */
9255 	bnx2x_cl45_read(bp, phy,
9256 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9257 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9258 	 * When the EDC is off it locks onto a reference clock and avoids
9259 	 * becoming 'lost'
9260 	 */
9261 	mod_abs &= ~(1<<8);
9262 	if (!(phy->flags & FLAGS_NOC))
9263 		mod_abs &= ~(1<<9);
9264 	bnx2x_cl45_write(bp, phy,
9265 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9266 
9267 	/* Enable/Disable PHY transmitter output */
9268 	bnx2x_set_disable_pmd_transmit(params, phy, 0);
9269 
9270 	bnx2x_8727_power_module(bp, phy, 1);
9271 
9272 	bnx2x_cl45_read(bp, phy,
9273 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9274 
9275 	bnx2x_cl45_read(bp, phy,
9276 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9277 
9278 	bnx2x_8727_config_speed(phy, params);
9279 
9280 
9281 	/* Set TX PreEmphasis if needed */
9282 	if ((params->feature_config_flags &
9283 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9284 		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9285 			   phy->tx_preemphasis[0],
9286 			   phy->tx_preemphasis[1]);
9287 		bnx2x_cl45_write(bp, phy,
9288 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9289 				 phy->tx_preemphasis[0]);
9290 
9291 		bnx2x_cl45_write(bp, phy,
9292 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9293 				 phy->tx_preemphasis[1]);
9294 	}
9295 
9296 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9297 	 * power mode, if TX Laser is disabled
9298 	 */
9299 	tx_en_mode = REG_RD(bp, params->shmem_base +
9300 			    offsetof(struct shmem_region,
9301 				dev_info.port_hw_config[params->port].sfp_ctrl))
9302 			& PORT_HW_CFG_TX_LASER_MASK;
9303 
9304 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9305 
9306 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9307 		bnx2x_cl45_read(bp, phy,
9308 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9309 		tmp2 |= 0x1000;
9310 		tmp2 &= 0xFFEF;
9311 		bnx2x_cl45_write(bp, phy,
9312 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9313 		bnx2x_cl45_read(bp, phy,
9314 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9315 				&tmp2);
9316 		bnx2x_cl45_write(bp, phy,
9317 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9318 				 (tmp2 & 0x7fff));
9319 	}
9320 
9321 	return 0;
9322 }
9323 
9324 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9325 				      struct link_params *params)
9326 {
9327 	struct bnx2x *bp = params->bp;
9328 	u16 mod_abs, rx_alarm_status;
9329 	u32 val = REG_RD(bp, params->shmem_base +
9330 			     offsetof(struct shmem_region, dev_info.
9331 				      port_feature_config[params->port].
9332 				      config));
9333 	bnx2x_cl45_read(bp, phy,
9334 			MDIO_PMA_DEVAD,
9335 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9336 	if (mod_abs & (1<<8)) {
9337 
9338 		/* Module is absent */
9339 		DP(NETIF_MSG_LINK,
9340 		   "MOD_ABS indication show module is absent\n");
9341 		phy->media_type = ETH_PHY_NOT_PRESENT;
9342 		/* 1. Set mod_abs to detect next module
9343 		 *    presence event
9344 		 * 2. Set EDC off by setting OPTXLOS signal input to low
9345 		 *    (bit 9).
9346 		 *    When the EDC is off it locks onto a reference clock and
9347 		 *    avoids becoming 'lost'.
9348 		 */
9349 		mod_abs &= ~(1<<8);
9350 		if (!(phy->flags & FLAGS_NOC))
9351 			mod_abs &= ~(1<<9);
9352 		bnx2x_cl45_write(bp, phy,
9353 				 MDIO_PMA_DEVAD,
9354 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9355 
9356 		/* Clear RX alarm since it stays up as long as
9357 		 * the mod_abs wasn't changed
9358 		 */
9359 		bnx2x_cl45_read(bp, phy,
9360 				MDIO_PMA_DEVAD,
9361 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9362 
9363 	} else {
9364 		/* Module is present */
9365 		DP(NETIF_MSG_LINK,
9366 		   "MOD_ABS indication show module is present\n");
9367 		/* First disable transmitter, and if the module is ok, the
9368 		 * module_detection will enable it
9369 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9370 		 * 2. Restore the default polarity of the OPRXLOS signal and
9371 		 * this signal will then correctly indicate the presence or
9372 		 * absence of the Rx signal. (bit 9)
9373 		 */
9374 		mod_abs |= (1<<8);
9375 		if (!(phy->flags & FLAGS_NOC))
9376 			mod_abs |= (1<<9);
9377 		bnx2x_cl45_write(bp, phy,
9378 				 MDIO_PMA_DEVAD,
9379 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9380 
9381 		/* Clear RX alarm since it stays up as long as the mod_abs
9382 		 * wasn't changed. This is need to be done before calling the
9383 		 * module detection, otherwise it will clear* the link update
9384 		 * alarm
9385 		 */
9386 		bnx2x_cl45_read(bp, phy,
9387 				MDIO_PMA_DEVAD,
9388 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9389 
9390 
9391 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9392 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9393 			bnx2x_sfp_set_transmitter(params, phy, 0);
9394 
9395 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9396 			bnx2x_sfp_module_detection(phy, params);
9397 		else
9398 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9399 
9400 		/* Reconfigure link speed based on module type limitations */
9401 		bnx2x_8727_config_speed(phy, params);
9402 	}
9403 
9404 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9405 		   rx_alarm_status);
9406 	/* No need to check link status in case of module plugged in/out */
9407 }
9408 
9409 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9410 				 struct link_params *params,
9411 				 struct link_vars *vars)
9412 
9413 {
9414 	struct bnx2x *bp = params->bp;
9415 	u8 link_up = 0, oc_port = params->port;
9416 	u16 link_status = 0;
9417 	u16 rx_alarm_status, lasi_ctrl, val1;
9418 
9419 	/* If PHY is not initialized, do not check link status */
9420 	bnx2x_cl45_read(bp, phy,
9421 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9422 			&lasi_ctrl);
9423 	if (!lasi_ctrl)
9424 		return 0;
9425 
9426 	/* Check the LASI on Rx */
9427 	bnx2x_cl45_read(bp, phy,
9428 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9429 			&rx_alarm_status);
9430 	vars->line_speed = 0;
9431 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9432 
9433 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9434 			     MDIO_PMA_LASI_TXCTRL);
9435 
9436 	bnx2x_cl45_read(bp, phy,
9437 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9438 
9439 	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9440 
9441 	/* Clear MSG-OUT */
9442 	bnx2x_cl45_read(bp, phy,
9443 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9444 
9445 	/* If a module is present and there is need to check
9446 	 * for over current
9447 	 */
9448 	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9449 		/* Check over-current using 8727 GPIO0 input*/
9450 		bnx2x_cl45_read(bp, phy,
9451 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9452 				&val1);
9453 
9454 		if ((val1 & (1<<8)) == 0) {
9455 			if (!CHIP_IS_E1x(bp))
9456 				oc_port = BP_PATH(bp) + (params->port << 1);
9457 			DP(NETIF_MSG_LINK,
9458 			   "8727 Power fault has been detected on port %d\n",
9459 			   oc_port);
9460 			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9461 					    "been detected and the power to "
9462 					    "that SFP+ module has been removed "
9463 					    "to prevent failure of the card. "
9464 					    "Please remove the SFP+ module and "
9465 					    "restart the system to clear this "
9466 					    "error.\n",
9467 			 oc_port);
9468 			/* Disable all RX_ALARMs except for mod_abs */
9469 			bnx2x_cl45_write(bp, phy,
9470 					 MDIO_PMA_DEVAD,
9471 					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9472 
9473 			bnx2x_cl45_read(bp, phy,
9474 					MDIO_PMA_DEVAD,
9475 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9476 			/* Wait for module_absent_event */
9477 			val1 |= (1<<8);
9478 			bnx2x_cl45_write(bp, phy,
9479 					 MDIO_PMA_DEVAD,
9480 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9481 			/* Clear RX alarm */
9482 			bnx2x_cl45_read(bp, phy,
9483 				MDIO_PMA_DEVAD,
9484 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9485 			bnx2x_8727_power_module(params->bp, phy, 0);
9486 			return 0;
9487 		}
9488 	} /* Over current check */
9489 
9490 	/* When module absent bit is set, check module */
9491 	if (rx_alarm_status & (1<<5)) {
9492 		bnx2x_8727_handle_mod_abs(phy, params);
9493 		/* Enable all mod_abs and link detection bits */
9494 		bnx2x_cl45_write(bp, phy,
9495 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9496 				 ((1<<5) | (1<<2)));
9497 	}
9498 
9499 	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9500 		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9501 		bnx2x_sfp_set_transmitter(params, phy, 1);
9502 	} else {
9503 		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9504 		return 0;
9505 	}
9506 
9507 	bnx2x_cl45_read(bp, phy,
9508 			MDIO_PMA_DEVAD,
9509 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9510 
9511 	/* Bits 0..2 --> speed detected,
9512 	 * Bits 13..15--> link is down
9513 	 */
9514 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9515 		link_up = 1;
9516 		vars->line_speed = SPEED_10000;
9517 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9518 			   params->port);
9519 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9520 		link_up = 1;
9521 		vars->line_speed = SPEED_1000;
9522 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9523 			   params->port);
9524 	} else {
9525 		link_up = 0;
9526 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9527 			   params->port);
9528 	}
9529 
9530 	/* Capture 10G link fault. */
9531 	if (vars->line_speed == SPEED_10000) {
9532 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9533 			    MDIO_PMA_LASI_TXSTAT, &val1);
9534 
9535 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9536 			    MDIO_PMA_LASI_TXSTAT, &val1);
9537 
9538 		if (val1 & (1<<0)) {
9539 			vars->fault_detected = 1;
9540 		}
9541 	}
9542 
9543 	if (link_up) {
9544 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9545 		vars->duplex = DUPLEX_FULL;
9546 		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9547 	}
9548 
9549 	if ((DUAL_MEDIA(params)) &&
9550 	    (phy->req_line_speed == SPEED_1000)) {
9551 		bnx2x_cl45_read(bp, phy,
9552 				MDIO_PMA_DEVAD,
9553 				MDIO_PMA_REG_8727_PCS_GP, &val1);
9554 		/* In case of dual-media board and 1G, power up the XAUI side,
9555 		 * otherwise power it down. For 10G it is done automatically
9556 		 */
9557 		if (link_up)
9558 			val1 &= ~(3<<10);
9559 		else
9560 			val1 |= (3<<10);
9561 		bnx2x_cl45_write(bp, phy,
9562 				 MDIO_PMA_DEVAD,
9563 				 MDIO_PMA_REG_8727_PCS_GP, val1);
9564 	}
9565 	return link_up;
9566 }
9567 
9568 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9569 				  struct link_params *params)
9570 {
9571 	struct bnx2x *bp = params->bp;
9572 
9573 	/* Enable/Disable PHY transmitter output */
9574 	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9575 
9576 	/* Disable Transmitter */
9577 	bnx2x_sfp_set_transmitter(params, phy, 0);
9578 	/* Clear LASI */
9579 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9580 
9581 }
9582 
9583 /******************************************************************/
9584 /*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9585 /******************************************************************/
9586 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9587 					    struct bnx2x *bp,
9588 					    u8 port)
9589 {
9590 	u16 val, fw_ver2, cnt, i;
9591 	static struct bnx2x_reg_set reg_set[] = {
9592 		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
9593 		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9594 		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9595 		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9596 		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
9597 	};
9598 	u16 fw_ver1;
9599 
9600 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9601 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9602 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9603 		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9604 				phy->ver_addr);
9605 	} else {
9606 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9607 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9608 		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9609 			bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9610 					 reg_set[i].reg, reg_set[i].val);
9611 
9612 		for (cnt = 0; cnt < 100; cnt++) {
9613 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9614 			if (val & 1)
9615 				break;
9616 			udelay(5);
9617 		}
9618 		if (cnt == 100) {
9619 			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9620 					"phy fw version(1)\n");
9621 			bnx2x_save_spirom_version(bp, port, 0,
9622 						  phy->ver_addr);
9623 			return;
9624 		}
9625 
9626 
9627 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9628 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9629 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9630 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9631 		for (cnt = 0; cnt < 100; cnt++) {
9632 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9633 			if (val & 1)
9634 				break;
9635 			udelay(5);
9636 		}
9637 		if (cnt == 100) {
9638 			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9639 					"version(2)\n");
9640 			bnx2x_save_spirom_version(bp, port, 0,
9641 						  phy->ver_addr);
9642 			return;
9643 		}
9644 
9645 		/* lower 16 bits of the register SPI_FW_STATUS */
9646 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9647 		/* upper 16 bits of register SPI_FW_STATUS */
9648 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9649 
9650 		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9651 					  phy->ver_addr);
9652 	}
9653 
9654 }
9655 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9656 				struct bnx2x_phy *phy)
9657 {
9658 	u16 val, offset, i;
9659 	static struct bnx2x_reg_set reg_set[] = {
9660 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9661 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9662 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9663 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9664 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9665 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9666 		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9667 	};
9668 	/* PHYC_CTL_LED_CTL */
9669 	bnx2x_cl45_read(bp, phy,
9670 			MDIO_PMA_DEVAD,
9671 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9672 	val &= 0xFE00;
9673 	val |= 0x0092;
9674 
9675 	bnx2x_cl45_write(bp, phy,
9676 			 MDIO_PMA_DEVAD,
9677 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9678 
9679 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9680 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9681 				 reg_set[i].val);
9682 
9683 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9684 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
9685 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9686 	else
9687 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9688 
9689 	/* stretch_en for LED3*/
9690 	bnx2x_cl45_read_or_write(bp, phy,
9691 				 MDIO_PMA_DEVAD, offset,
9692 				 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
9693 }
9694 
9695 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9696 				      struct link_params *params,
9697 				      u32 action)
9698 {
9699 	struct bnx2x *bp = params->bp;
9700 	switch (action) {
9701 	case PHY_INIT:
9702 		if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9703 		    (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9704 			/* Save spirom version */
9705 			bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9706 		}
9707 		/* This phy uses the NIG latch mechanism since link indication
9708 		 * arrives through its LED4 and not via its LASI signal, so we
9709 		 * get steady signal instead of clear on read
9710 		 */
9711 		bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9712 			      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9713 
9714 		bnx2x_848xx_set_led(bp, phy);
9715 		break;
9716 	}
9717 }
9718 
9719 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9720 				       struct link_params *params,
9721 				       struct link_vars *vars)
9722 {
9723 	struct bnx2x *bp = params->bp;
9724 	u16 autoneg_val, an_1000_val, an_10_100_val;
9725 
9726 	bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9727 	bnx2x_cl45_write(bp, phy,
9728 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9729 
9730 	/* set 1000 speed advertisement */
9731 	bnx2x_cl45_read(bp, phy,
9732 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9733 			&an_1000_val);
9734 
9735 	bnx2x_ext_phy_set_pause(params, phy, vars);
9736 	bnx2x_cl45_read(bp, phy,
9737 			MDIO_AN_DEVAD,
9738 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9739 			&an_10_100_val);
9740 	bnx2x_cl45_read(bp, phy,
9741 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9742 			&autoneg_val);
9743 	/* Disable forced speed */
9744 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9745 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9746 
9747 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9748 	     (phy->speed_cap_mask &
9749 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9750 	    (phy->req_line_speed == SPEED_1000)) {
9751 		an_1000_val |= (1<<8);
9752 		autoneg_val |= (1<<9 | 1<<12);
9753 		if (phy->req_duplex == DUPLEX_FULL)
9754 			an_1000_val |= (1<<9);
9755 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9756 	} else
9757 		an_1000_val &= ~((1<<8) | (1<<9));
9758 
9759 	bnx2x_cl45_write(bp, phy,
9760 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9761 			 an_1000_val);
9762 
9763 	/* Set 10/100 speed advertisement */
9764 	if (phy->req_line_speed == SPEED_AUTO_NEG) {
9765 		if (phy->speed_cap_mask &
9766 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9767 			/* Enable autoneg and restart autoneg for legacy speeds
9768 			 */
9769 			autoneg_val |= (1<<9 | 1<<12);
9770 			an_10_100_val |= (1<<8);
9771 			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9772 		}
9773 
9774 		if (phy->speed_cap_mask &
9775 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9776 			/* Enable autoneg and restart autoneg for legacy speeds
9777 			 */
9778 			autoneg_val |= (1<<9 | 1<<12);
9779 			an_10_100_val |= (1<<7);
9780 			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9781 		}
9782 
9783 		if ((phy->speed_cap_mask &
9784 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9785 		    (phy->supported & SUPPORTED_10baseT_Full)) {
9786 			an_10_100_val |= (1<<6);
9787 			autoneg_val |= (1<<9 | 1<<12);
9788 			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9789 		}
9790 
9791 		if ((phy->speed_cap_mask &
9792 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9793 		    (phy->supported & SUPPORTED_10baseT_Half)) {
9794 			an_10_100_val |= (1<<5);
9795 			autoneg_val |= (1<<9 | 1<<12);
9796 			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9797 		}
9798 	}
9799 
9800 	/* Only 10/100 are allowed to work in FORCE mode */
9801 	if ((phy->req_line_speed == SPEED_100) &&
9802 	    (phy->supported &
9803 	     (SUPPORTED_100baseT_Half |
9804 	      SUPPORTED_100baseT_Full))) {
9805 		autoneg_val |= (1<<13);
9806 		/* Enabled AUTO-MDIX when autoneg is disabled */
9807 		bnx2x_cl45_write(bp, phy,
9808 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9809 				 (1<<15 | 1<<9 | 7<<0));
9810 		/* The PHY needs this set even for forced link. */
9811 		an_10_100_val |= (1<<8) | (1<<7);
9812 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9813 	}
9814 	if ((phy->req_line_speed == SPEED_10) &&
9815 	    (phy->supported &
9816 	     (SUPPORTED_10baseT_Half |
9817 	      SUPPORTED_10baseT_Full))) {
9818 		/* Enabled AUTO-MDIX when autoneg is disabled */
9819 		bnx2x_cl45_write(bp, phy,
9820 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9821 				 (1<<15 | 1<<9 | 7<<0));
9822 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9823 	}
9824 
9825 	bnx2x_cl45_write(bp, phy,
9826 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9827 			 an_10_100_val);
9828 
9829 	if (phy->req_duplex == DUPLEX_FULL)
9830 		autoneg_val |= (1<<8);
9831 
9832 	/* Always write this if this is not 84833/4.
9833 	 * For 84833/4, write it only when it's a forced speed.
9834 	 */
9835 	if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9836 	     (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
9837 	    ((autoneg_val & (1<<12)) == 0))
9838 		bnx2x_cl45_write(bp, phy,
9839 			 MDIO_AN_DEVAD,
9840 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9841 
9842 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9843 	    (phy->speed_cap_mask &
9844 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9845 		(phy->req_line_speed == SPEED_10000)) {
9846 			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9847 			/* Restart autoneg for 10G*/
9848 
9849 			bnx2x_cl45_read_or_write(
9850 				bp, phy,
9851 				MDIO_AN_DEVAD,
9852 				MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9853 				0x1000);
9854 			bnx2x_cl45_write(bp, phy,
9855 					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9856 					 0x3200);
9857 	} else
9858 		bnx2x_cl45_write(bp, phy,
9859 				 MDIO_AN_DEVAD,
9860 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9861 				 1);
9862 
9863 	return 0;
9864 }
9865 
9866 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9867 				  struct link_params *params,
9868 				  struct link_vars *vars)
9869 {
9870 	struct bnx2x *bp = params->bp;
9871 	/* Restore normal power mode*/
9872 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9873 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9874 
9875 	/* HW reset */
9876 	bnx2x_ext_phy_hw_reset(bp, params->port);
9877 	bnx2x_wait_reset_complete(bp, phy, params);
9878 
9879 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9880 	return bnx2x_848xx_cmn_config_init(phy, params, vars);
9881 }
9882 
9883 #define PHY84833_CMDHDLR_WAIT 300
9884 #define PHY84833_CMDHDLR_MAX_ARGS 5
9885 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9886 				struct link_params *params, u16 fw_cmd,
9887 				u16 cmd_args[], int argc)
9888 {
9889 	int idx;
9890 	u16 val;
9891 	struct bnx2x *bp = params->bp;
9892 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
9893 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9894 			MDIO_84833_CMD_HDLR_STATUS,
9895 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
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_OPEN_FOR_CMDS)
9900 			break;
9901 		usleep_range(1000, 2000);
9902 	}
9903 	if (idx >= PHY84833_CMDHDLR_WAIT) {
9904 		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9905 		return -EINVAL;
9906 	}
9907 
9908 	/* Prepare argument(s) and issue command */
9909 	for (idx = 0; idx < argc; idx++) {
9910 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9911 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9912 				cmd_args[idx]);
9913 	}
9914 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9915 			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9916 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9917 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9918 				MDIO_84833_CMD_HDLR_STATUS, &val);
9919 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9920 			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9921 			break;
9922 		usleep_range(1000, 2000);
9923 	}
9924 	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9925 		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9926 		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9927 		return -EINVAL;
9928 	}
9929 	/* Gather returning data */
9930 	for (idx = 0; idx < argc; idx++) {
9931 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9932 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9933 				&cmd_args[idx]);
9934 	}
9935 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9936 			MDIO_84833_CMD_HDLR_STATUS,
9937 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9938 	return 0;
9939 }
9940 
9941 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9942 				   struct link_params *params,
9943 				   struct link_vars *vars)
9944 {
9945 	u32 pair_swap;
9946 	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9947 	int status;
9948 	struct bnx2x *bp = params->bp;
9949 
9950 	/* Check for configuration. */
9951 	pair_swap = REG_RD(bp, params->shmem_base +
9952 			   offsetof(struct shmem_region,
9953 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9954 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9955 
9956 	if (pair_swap == 0)
9957 		return 0;
9958 
9959 	/* Only the second argument is used for this command */
9960 	data[1] = (u16)pair_swap;
9961 
9962 	status = bnx2x_84833_cmd_hdlr(phy, params,
9963 		PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9964 	if (status == 0)
9965 		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9966 
9967 	return status;
9968 }
9969 
9970 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9971 				      u32 shmem_base_path[],
9972 				      u32 chip_id)
9973 {
9974 	u32 reset_pin[2];
9975 	u32 idx;
9976 	u8 reset_gpios;
9977 	if (CHIP_IS_E3(bp)) {
9978 		/* Assume that these will be GPIOs, not EPIOs. */
9979 		for (idx = 0; idx < 2; idx++) {
9980 			/* Map config param to register bit. */
9981 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9982 				offsetof(struct shmem_region,
9983 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9984 			reset_pin[idx] = (reset_pin[idx] &
9985 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9986 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9987 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9988 			reset_pin[idx] = (1 << reset_pin[idx]);
9989 		}
9990 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9991 	} else {
9992 		/* E2, look from diff place of shmem. */
9993 		for (idx = 0; idx < 2; idx++) {
9994 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9995 				offsetof(struct shmem_region,
9996 				dev_info.port_hw_config[0].default_cfg));
9997 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9998 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9999 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10000 			reset_pin[idx] = (1 << reset_pin[idx]);
10001 		}
10002 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10003 	}
10004 
10005 	return reset_gpios;
10006 }
10007 
10008 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10009 				struct link_params *params)
10010 {
10011 	struct bnx2x *bp = params->bp;
10012 	u8 reset_gpios;
10013 	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10014 				offsetof(struct shmem2_region,
10015 				other_shmem_base_addr));
10016 
10017 	u32 shmem_base_path[2];
10018 
10019 	/* Work around for 84833 LED failure inside RESET status */
10020 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10021 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10022 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10023 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10024 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10025 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10026 
10027 	shmem_base_path[0] = params->shmem_base;
10028 	shmem_base_path[1] = other_shmem_base_addr;
10029 
10030 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10031 						  params->chip_id);
10032 
10033 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10034 	udelay(10);
10035 	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10036 		reset_gpios);
10037 
10038 	return 0;
10039 }
10040 
10041 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10042 				   struct link_params *params,
10043 				   struct link_vars *vars)
10044 {
10045 	int rc;
10046 	struct bnx2x *bp = params->bp;
10047 	u16 cmd_args = 0;
10048 
10049 	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10050 
10051 	/* Prevent Phy from working in EEE and advertising it */
10052 	rc = bnx2x_84833_cmd_hdlr(phy, params,
10053 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10054 	if (rc) {
10055 		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10056 		return rc;
10057 	}
10058 
10059 	return bnx2x_eee_disable(phy, params, vars);
10060 }
10061 
10062 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10063 				   struct link_params *params,
10064 				   struct link_vars *vars)
10065 {
10066 	int rc;
10067 	struct bnx2x *bp = params->bp;
10068 	u16 cmd_args = 1;
10069 
10070 	rc = bnx2x_84833_cmd_hdlr(phy, params,
10071 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10072 	if (rc) {
10073 		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10074 		return rc;
10075 	}
10076 
10077 	return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10078 }
10079 
10080 #define PHY84833_CONSTANT_LATENCY 1193
10081 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10082 				   struct link_params *params,
10083 				   struct link_vars *vars)
10084 {
10085 	struct bnx2x *bp = params->bp;
10086 	u8 port, initialize = 1;
10087 	u16 val;
10088 	u32 actual_phy_selection;
10089 	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
10090 	int rc = 0;
10091 
10092 	usleep_range(1000, 2000);
10093 
10094 	if (!(CHIP_IS_E1x(bp)))
10095 		port = BP_PATH(bp);
10096 	else
10097 		port = params->port;
10098 
10099 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10100 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10101 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10102 			       port);
10103 	} else {
10104 		/* MDIO reset */
10105 		bnx2x_cl45_write(bp, phy,
10106 				MDIO_PMA_DEVAD,
10107 				MDIO_PMA_REG_CTRL, 0x8000);
10108 	}
10109 
10110 	bnx2x_wait_reset_complete(bp, phy, params);
10111 
10112 	/* Wait for GPHY to come out of reset */
10113 	msleep(50);
10114 	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10115 	    (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10116 		/* BCM84823 requires that XGXS links up first @ 10G for normal
10117 		 * behavior.
10118 		 */
10119 		u16 temp;
10120 		temp = vars->line_speed;
10121 		vars->line_speed = SPEED_10000;
10122 		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10123 		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10124 		vars->line_speed = temp;
10125 	}
10126 
10127 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10128 			MDIO_CTL_REG_84823_MEDIA, &val);
10129 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10130 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10131 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10132 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10133 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10134 
10135 	if (CHIP_IS_E3(bp)) {
10136 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10137 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10138 	} else {
10139 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10140 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10141 	}
10142 
10143 	actual_phy_selection = bnx2x_phy_selection(params);
10144 
10145 	switch (actual_phy_selection) {
10146 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10147 		/* Do nothing. Essentially this is like the priority copper */
10148 		break;
10149 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10150 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10151 		break;
10152 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10153 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10154 		break;
10155 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10156 		/* Do nothing here. The first PHY won't be initialized at all */
10157 		break;
10158 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10159 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10160 		initialize = 0;
10161 		break;
10162 	}
10163 	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10164 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10165 
10166 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10167 			 MDIO_CTL_REG_84823_MEDIA, val);
10168 	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10169 		   params->multi_phy_config, val);
10170 
10171 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10172 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10173 		bnx2x_84833_pair_swap_cfg(phy, params, vars);
10174 
10175 		/* Keep AutogrEEEn disabled. */
10176 		cmd_args[0] = 0x0;
10177 		cmd_args[1] = 0x0;
10178 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10179 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10180 		rc = bnx2x_84833_cmd_hdlr(phy, params,
10181 			PHY84833_CMD_SET_EEE_MODE, cmd_args,
10182 			PHY84833_CMDHDLR_MAX_ARGS);
10183 		if (rc)
10184 			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10185 	}
10186 	if (initialize)
10187 		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10188 	else
10189 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10190 	/* 84833 PHY has a better feature and doesn't need to support this. */
10191 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10192 		u32 cms_enable = REG_RD(bp, params->shmem_base +
10193 			offsetof(struct shmem_region,
10194 			dev_info.port_hw_config[params->port].default_cfg)) &
10195 			PORT_HW_CFG_ENABLE_CMS_MASK;
10196 
10197 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10198 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10199 		if (cms_enable)
10200 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10201 		else
10202 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10203 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10204 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10205 	}
10206 
10207 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10208 			MDIO_84833_TOP_CFG_FW_REV, &val);
10209 
10210 	/* Configure EEE support */
10211 	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10212 	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10213 	    bnx2x_eee_has_cap(params)) {
10214 		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10215 		if (rc) {
10216 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10217 			bnx2x_8483x_disable_eee(phy, params, vars);
10218 			return rc;
10219 		}
10220 
10221 		if ((phy->req_duplex == DUPLEX_FULL) &&
10222 		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
10223 		    (bnx2x_eee_calc_timer(params) ||
10224 		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10225 			rc = bnx2x_8483x_enable_eee(phy, params, vars);
10226 		else
10227 			rc = bnx2x_8483x_disable_eee(phy, params, vars);
10228 		if (rc) {
10229 			DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10230 			return rc;
10231 		}
10232 	} else {
10233 		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10234 	}
10235 
10236 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10237 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10238 		/* Bring PHY out of super isolate mode as the final step. */
10239 		bnx2x_cl45_read_and_write(bp, phy,
10240 					  MDIO_CTL_DEVAD,
10241 					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10242 					  (u16)~MDIO_84833_SUPER_ISOLATE);
10243 	}
10244 	return rc;
10245 }
10246 
10247 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10248 				  struct link_params *params,
10249 				  struct link_vars *vars)
10250 {
10251 	struct bnx2x *bp = params->bp;
10252 	u16 val, val1, val2;
10253 	u8 link_up = 0;
10254 
10255 
10256 	/* Check 10G-BaseT link status */
10257 	/* Check PMD signal ok */
10258 	bnx2x_cl45_read(bp, phy,
10259 			MDIO_AN_DEVAD, 0xFFFA, &val1);
10260 	bnx2x_cl45_read(bp, phy,
10261 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10262 			&val2);
10263 	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10264 
10265 	/* Check link 10G */
10266 	if (val2 & (1<<11)) {
10267 		vars->line_speed = SPEED_10000;
10268 		vars->duplex = DUPLEX_FULL;
10269 		link_up = 1;
10270 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10271 	} else { /* Check Legacy speed link */
10272 		u16 legacy_status, legacy_speed;
10273 
10274 		/* Enable expansion register 0x42 (Operation mode status) */
10275 		bnx2x_cl45_write(bp, phy,
10276 				 MDIO_AN_DEVAD,
10277 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10278 
10279 		/* Get legacy speed operation status */
10280 		bnx2x_cl45_read(bp, phy,
10281 				MDIO_AN_DEVAD,
10282 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10283 				&legacy_status);
10284 
10285 		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10286 		   legacy_status);
10287 		link_up = ((legacy_status & (1<<11)) == (1<<11));
10288 		legacy_speed = (legacy_status & (3<<9));
10289 		if (legacy_speed == (0<<9))
10290 			vars->line_speed = SPEED_10;
10291 		else if (legacy_speed == (1<<9))
10292 			vars->line_speed = SPEED_100;
10293 		else if (legacy_speed == (2<<9))
10294 			vars->line_speed = SPEED_1000;
10295 		else { /* Should not happen: Treat as link down */
10296 			vars->line_speed = 0;
10297 			link_up = 0;
10298 		}
10299 
10300 		if (link_up) {
10301 			if (legacy_status & (1<<8))
10302 				vars->duplex = DUPLEX_FULL;
10303 			else
10304 				vars->duplex = DUPLEX_HALF;
10305 
10306 			DP(NETIF_MSG_LINK,
10307 			   "Link is up in %dMbps, is_duplex_full= %d\n",
10308 			   vars->line_speed,
10309 			   (vars->duplex == DUPLEX_FULL));
10310 			/* Check legacy speed AN resolution */
10311 			bnx2x_cl45_read(bp, phy,
10312 					MDIO_AN_DEVAD,
10313 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10314 					&val);
10315 			if (val & (1<<5))
10316 				vars->link_status |=
10317 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10318 			bnx2x_cl45_read(bp, phy,
10319 					MDIO_AN_DEVAD,
10320 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10321 					&val);
10322 			if ((val & (1<<0)) == 0)
10323 				vars->link_status |=
10324 					LINK_STATUS_PARALLEL_DETECTION_USED;
10325 		}
10326 	}
10327 	if (link_up) {
10328 		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10329 			   vars->line_speed);
10330 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10331 
10332 		/* Read LP advertised speeds */
10333 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10334 				MDIO_AN_REG_CL37_FC_LP, &val);
10335 		if (val & (1<<5))
10336 			vars->link_status |=
10337 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10338 		if (val & (1<<6))
10339 			vars->link_status |=
10340 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10341 		if (val & (1<<7))
10342 			vars->link_status |=
10343 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10344 		if (val & (1<<8))
10345 			vars->link_status |=
10346 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10347 		if (val & (1<<9))
10348 			vars->link_status |=
10349 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10350 
10351 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10352 				MDIO_AN_REG_1000T_STATUS, &val);
10353 
10354 		if (val & (1<<10))
10355 			vars->link_status |=
10356 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10357 		if (val & (1<<11))
10358 			vars->link_status |=
10359 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10360 
10361 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10362 				MDIO_AN_REG_MASTER_STATUS, &val);
10363 
10364 		if (val & (1<<11))
10365 			vars->link_status |=
10366 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10367 
10368 		/* Determine if EEE was negotiated */
10369 		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10370 		    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
10371 			bnx2x_eee_an_resolve(phy, params, vars);
10372 	}
10373 
10374 	return link_up;
10375 }
10376 
10377 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10378 {
10379 	int status = 0;
10380 	u32 spirom_ver;
10381 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10382 	status = bnx2x_format_ver(spirom_ver, str, len);
10383 	return status;
10384 }
10385 
10386 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10387 				struct link_params *params)
10388 {
10389 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10390 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10391 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10392 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10393 }
10394 
10395 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10396 					struct link_params *params)
10397 {
10398 	bnx2x_cl45_write(params->bp, phy,
10399 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10400 	bnx2x_cl45_write(params->bp, phy,
10401 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10402 }
10403 
10404 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10405 				   struct link_params *params)
10406 {
10407 	struct bnx2x *bp = params->bp;
10408 	u8 port;
10409 	u16 val16;
10410 
10411 	if (!(CHIP_IS_E1x(bp)))
10412 		port = BP_PATH(bp);
10413 	else
10414 		port = params->port;
10415 
10416 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10417 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10418 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10419 			       port);
10420 	} else {
10421 		bnx2x_cl45_read(bp, phy,
10422 				MDIO_CTL_DEVAD,
10423 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10424 		val16 |= MDIO_84833_SUPER_ISOLATE;
10425 		bnx2x_cl45_write(bp, phy,
10426 				 MDIO_CTL_DEVAD,
10427 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10428 	}
10429 }
10430 
10431 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10432 				     struct link_params *params, u8 mode)
10433 {
10434 	struct bnx2x *bp = params->bp;
10435 	u16 val;
10436 	u8 port;
10437 
10438 	if (!(CHIP_IS_E1x(bp)))
10439 		port = BP_PATH(bp);
10440 	else
10441 		port = params->port;
10442 
10443 	switch (mode) {
10444 	case LED_MODE_OFF:
10445 
10446 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10447 
10448 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10449 		    SHARED_HW_CFG_LED_EXTPHY1) {
10450 
10451 			/* Set LED masks */
10452 			bnx2x_cl45_write(bp, phy,
10453 					MDIO_PMA_DEVAD,
10454 					MDIO_PMA_REG_8481_LED1_MASK,
10455 					0x0);
10456 
10457 			bnx2x_cl45_write(bp, phy,
10458 					MDIO_PMA_DEVAD,
10459 					MDIO_PMA_REG_8481_LED2_MASK,
10460 					0x0);
10461 
10462 			bnx2x_cl45_write(bp, phy,
10463 					MDIO_PMA_DEVAD,
10464 					MDIO_PMA_REG_8481_LED3_MASK,
10465 					0x0);
10466 
10467 			bnx2x_cl45_write(bp, phy,
10468 					MDIO_PMA_DEVAD,
10469 					MDIO_PMA_REG_8481_LED5_MASK,
10470 					0x0);
10471 
10472 		} else {
10473 			bnx2x_cl45_write(bp, phy,
10474 					 MDIO_PMA_DEVAD,
10475 					 MDIO_PMA_REG_8481_LED1_MASK,
10476 					 0x0);
10477 		}
10478 		break;
10479 	case LED_MODE_FRONT_PANEL_OFF:
10480 
10481 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10482 		   port);
10483 
10484 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10485 		    SHARED_HW_CFG_LED_EXTPHY1) {
10486 
10487 			/* Set LED masks */
10488 			bnx2x_cl45_write(bp, phy,
10489 					 MDIO_PMA_DEVAD,
10490 					 MDIO_PMA_REG_8481_LED1_MASK,
10491 					 0x0);
10492 
10493 			bnx2x_cl45_write(bp, phy,
10494 					 MDIO_PMA_DEVAD,
10495 					 MDIO_PMA_REG_8481_LED2_MASK,
10496 					 0x0);
10497 
10498 			bnx2x_cl45_write(bp, phy,
10499 					 MDIO_PMA_DEVAD,
10500 					 MDIO_PMA_REG_8481_LED3_MASK,
10501 					 0x0);
10502 
10503 			bnx2x_cl45_write(bp, phy,
10504 					 MDIO_PMA_DEVAD,
10505 					 MDIO_PMA_REG_8481_LED5_MASK,
10506 					 0x20);
10507 
10508 		} else {
10509 			bnx2x_cl45_write(bp, phy,
10510 					 MDIO_PMA_DEVAD,
10511 					 MDIO_PMA_REG_8481_LED1_MASK,
10512 					 0x0);
10513 			if (phy->type ==
10514 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10515 				/* Disable MI_INT interrupt before setting LED4
10516 				 * source to constant off.
10517 				 */
10518 				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10519 					   params->port*4) &
10520 				    NIG_MASK_MI_INT) {
10521 					params->link_flags |=
10522 					LINK_FLAGS_INT_DISABLED;
10523 
10524 					bnx2x_bits_dis(
10525 						bp,
10526 						NIG_REG_MASK_INTERRUPT_PORT0 +
10527 						params->port*4,
10528 						NIG_MASK_MI_INT);
10529 				}
10530 				bnx2x_cl45_write(bp, phy,
10531 						 MDIO_PMA_DEVAD,
10532 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10533 						 0x0);
10534 			}
10535 		}
10536 		break;
10537 	case LED_MODE_ON:
10538 
10539 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10540 
10541 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10542 		    SHARED_HW_CFG_LED_EXTPHY1) {
10543 			/* Set control reg */
10544 			bnx2x_cl45_read(bp, phy,
10545 					MDIO_PMA_DEVAD,
10546 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10547 					&val);
10548 			val &= 0x8000;
10549 			val |= 0x2492;
10550 
10551 			bnx2x_cl45_write(bp, phy,
10552 					 MDIO_PMA_DEVAD,
10553 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10554 					 val);
10555 
10556 			/* Set LED masks */
10557 			bnx2x_cl45_write(bp, phy,
10558 					 MDIO_PMA_DEVAD,
10559 					 MDIO_PMA_REG_8481_LED1_MASK,
10560 					 0x0);
10561 
10562 			bnx2x_cl45_write(bp, phy,
10563 					 MDIO_PMA_DEVAD,
10564 					 MDIO_PMA_REG_8481_LED2_MASK,
10565 					 0x20);
10566 
10567 			bnx2x_cl45_write(bp, phy,
10568 					 MDIO_PMA_DEVAD,
10569 					 MDIO_PMA_REG_8481_LED3_MASK,
10570 					 0x20);
10571 
10572 			bnx2x_cl45_write(bp, phy,
10573 					 MDIO_PMA_DEVAD,
10574 					 MDIO_PMA_REG_8481_LED5_MASK,
10575 					 0x0);
10576 		} else {
10577 			bnx2x_cl45_write(bp, phy,
10578 					 MDIO_PMA_DEVAD,
10579 					 MDIO_PMA_REG_8481_LED1_MASK,
10580 					 0x20);
10581 			if (phy->type ==
10582 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10583 				/* Disable MI_INT interrupt before setting LED4
10584 				 * source to constant on.
10585 				 */
10586 				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10587 					   params->port*4) &
10588 				    NIG_MASK_MI_INT) {
10589 					params->link_flags |=
10590 					LINK_FLAGS_INT_DISABLED;
10591 
10592 					bnx2x_bits_dis(
10593 						bp,
10594 						NIG_REG_MASK_INTERRUPT_PORT0 +
10595 						params->port*4,
10596 						NIG_MASK_MI_INT);
10597 				}
10598 				bnx2x_cl45_write(bp, phy,
10599 						 MDIO_PMA_DEVAD,
10600 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10601 						 0x20);
10602 			}
10603 		}
10604 		break;
10605 
10606 	case LED_MODE_OPER:
10607 
10608 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10609 
10610 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10611 		    SHARED_HW_CFG_LED_EXTPHY1) {
10612 
10613 			/* Set control reg */
10614 			bnx2x_cl45_read(bp, phy,
10615 					MDIO_PMA_DEVAD,
10616 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10617 					&val);
10618 
10619 			if (!((val &
10620 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10621 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10622 				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10623 				bnx2x_cl45_write(bp, phy,
10624 						 MDIO_PMA_DEVAD,
10625 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10626 						 0xa492);
10627 			}
10628 
10629 			/* Set LED masks */
10630 			bnx2x_cl45_write(bp, phy,
10631 					 MDIO_PMA_DEVAD,
10632 					 MDIO_PMA_REG_8481_LED1_MASK,
10633 					 0x10);
10634 
10635 			bnx2x_cl45_write(bp, phy,
10636 					 MDIO_PMA_DEVAD,
10637 					 MDIO_PMA_REG_8481_LED2_MASK,
10638 					 0x80);
10639 
10640 			bnx2x_cl45_write(bp, phy,
10641 					 MDIO_PMA_DEVAD,
10642 					 MDIO_PMA_REG_8481_LED3_MASK,
10643 					 0x98);
10644 
10645 			bnx2x_cl45_write(bp, phy,
10646 					 MDIO_PMA_DEVAD,
10647 					 MDIO_PMA_REG_8481_LED5_MASK,
10648 					 0x40);
10649 
10650 		} else {
10651 			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10652 			 * sources are all wired through LED1, rather than only
10653 			 * 10G in other modes.
10654 			 */
10655 			val = ((params->hw_led_mode <<
10656 				SHARED_HW_CFG_LED_MODE_SHIFT) ==
10657 			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10658 
10659 			bnx2x_cl45_write(bp, phy,
10660 					 MDIO_PMA_DEVAD,
10661 					 MDIO_PMA_REG_8481_LED1_MASK,
10662 					 val);
10663 
10664 			/* Tell LED3 to blink on source */
10665 			bnx2x_cl45_read(bp, phy,
10666 					MDIO_PMA_DEVAD,
10667 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10668 					&val);
10669 			val &= ~(7<<6);
10670 			val |= (1<<6); /* A83B[8:6]= 1 */
10671 			bnx2x_cl45_write(bp, phy,
10672 					 MDIO_PMA_DEVAD,
10673 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10674 					 val);
10675 			if (phy->type ==
10676 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10677 				/* Restore LED4 source to external link,
10678 				 * and re-enable interrupts.
10679 				 */
10680 				bnx2x_cl45_write(bp, phy,
10681 						 MDIO_PMA_DEVAD,
10682 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10683 						 0x40);
10684 				if (params->link_flags &
10685 				    LINK_FLAGS_INT_DISABLED) {
10686 					bnx2x_link_int_enable(params);
10687 					params->link_flags &=
10688 						~LINK_FLAGS_INT_DISABLED;
10689 				}
10690 			}
10691 		}
10692 		break;
10693 	}
10694 
10695 	/* This is a workaround for E3+84833 until autoneg
10696 	 * restart is fixed in f/w
10697 	 */
10698 	if (CHIP_IS_E3(bp)) {
10699 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10700 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10701 	}
10702 }
10703 
10704 /******************************************************************/
10705 /*			54618SE PHY SECTION			  */
10706 /******************************************************************/
10707 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10708 					struct link_params *params,
10709 					u32 action)
10710 {
10711 	struct bnx2x *bp = params->bp;
10712 	u16 temp;
10713 	switch (action) {
10714 	case PHY_INIT:
10715 		/* Configure LED4: set to INTR (0x6). */
10716 		/* Accessing shadow register 0xe. */
10717 		bnx2x_cl22_write(bp, phy,
10718 				 MDIO_REG_GPHY_SHADOW,
10719 				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10720 		bnx2x_cl22_read(bp, phy,
10721 				MDIO_REG_GPHY_SHADOW,
10722 				&temp);
10723 		temp &= ~(0xf << 4);
10724 		temp |= (0x6 << 4);
10725 		bnx2x_cl22_write(bp, phy,
10726 				 MDIO_REG_GPHY_SHADOW,
10727 				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10728 		/* Configure INTR based on link status change. */
10729 		bnx2x_cl22_write(bp, phy,
10730 				 MDIO_REG_INTR_MASK,
10731 				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10732 		break;
10733 	}
10734 }
10735 
10736 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10737 					       struct link_params *params,
10738 					       struct link_vars *vars)
10739 {
10740 	struct bnx2x *bp = params->bp;
10741 	u8 port;
10742 	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10743 	u32 cfg_pin;
10744 
10745 	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10746 	usleep_range(1000, 2000);
10747 
10748 	/* This works with E3 only, no need to check the chip
10749 	 * before determining the port.
10750 	 */
10751 	port = params->port;
10752 
10753 	cfg_pin = (REG_RD(bp, params->shmem_base +
10754 			offsetof(struct shmem_region,
10755 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10756 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10757 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10758 
10759 	/* Drive pin high to bring the GPHY out of reset. */
10760 	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10761 
10762 	/* wait for GPHY to reset */
10763 	msleep(50);
10764 
10765 	/* reset phy */
10766 	bnx2x_cl22_write(bp, phy,
10767 			 MDIO_PMA_REG_CTRL, 0x8000);
10768 	bnx2x_wait_reset_complete(bp, phy, params);
10769 
10770 	/* Wait for GPHY to reset */
10771 	msleep(50);
10772 
10773 
10774 	bnx2x_54618se_specific_func(phy, params, PHY_INIT);
10775 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10776 	bnx2x_cl22_write(bp, phy,
10777 			MDIO_REG_GPHY_SHADOW,
10778 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10779 	bnx2x_cl22_read(bp, phy,
10780 			MDIO_REG_GPHY_SHADOW,
10781 			&temp);
10782 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10783 	bnx2x_cl22_write(bp, phy,
10784 			MDIO_REG_GPHY_SHADOW,
10785 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10786 
10787 	/* Set up fc */
10788 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10789 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10790 	fc_val = 0;
10791 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10792 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10793 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10794 
10795 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10796 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10797 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10798 
10799 	/* Read all advertisement */
10800 	bnx2x_cl22_read(bp, phy,
10801 			0x09,
10802 			&an_1000_val);
10803 
10804 	bnx2x_cl22_read(bp, phy,
10805 			0x04,
10806 			&an_10_100_val);
10807 
10808 	bnx2x_cl22_read(bp, phy,
10809 			MDIO_PMA_REG_CTRL,
10810 			&autoneg_val);
10811 
10812 	/* Disable forced speed */
10813 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10814 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10815 			   (1<<11));
10816 
10817 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10818 	     (phy->speed_cap_mask &
10819 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10820 	    (phy->req_line_speed == SPEED_1000)) {
10821 		an_1000_val |= (1<<8);
10822 		autoneg_val |= (1<<9 | 1<<12);
10823 		if (phy->req_duplex == DUPLEX_FULL)
10824 			an_1000_val |= (1<<9);
10825 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
10826 	} else
10827 		an_1000_val &= ~((1<<8) | (1<<9));
10828 
10829 	bnx2x_cl22_write(bp, phy,
10830 			0x09,
10831 			an_1000_val);
10832 	bnx2x_cl22_read(bp, phy,
10833 			0x09,
10834 			&an_1000_val);
10835 
10836 	/* Advertise 10/100 link speed */
10837 	if (phy->req_line_speed == SPEED_AUTO_NEG) {
10838 		if (phy->speed_cap_mask &
10839 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
10840 			an_10_100_val |= (1<<5);
10841 			autoneg_val |= (1<<9 | 1<<12);
10842 			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
10843 		}
10844 		if (phy->speed_cap_mask &
10845 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
10846 			an_10_100_val |= (1<<6);
10847 			autoneg_val |= (1<<9 | 1<<12);
10848 			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
10849 		}
10850 		if (phy->speed_cap_mask &
10851 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10852 			an_10_100_val |= (1<<7);
10853 			autoneg_val |= (1<<9 | 1<<12);
10854 			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
10855 		}
10856 		if (phy->speed_cap_mask &
10857 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10858 			an_10_100_val |= (1<<8);
10859 			autoneg_val |= (1<<9 | 1<<12);
10860 			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
10861 		}
10862 	}
10863 
10864 	/* Only 10/100 are allowed to work in FORCE mode */
10865 	if (phy->req_line_speed == SPEED_100) {
10866 		autoneg_val |= (1<<13);
10867 		/* Enabled AUTO-MDIX when autoneg is disabled */
10868 		bnx2x_cl22_write(bp, phy,
10869 				0x18,
10870 				(1<<15 | 1<<9 | 7<<0));
10871 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
10872 	}
10873 	if (phy->req_line_speed == SPEED_10) {
10874 		/* Enabled AUTO-MDIX when autoneg is disabled */
10875 		bnx2x_cl22_write(bp, phy,
10876 				0x18,
10877 				(1<<15 | 1<<9 | 7<<0));
10878 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
10879 	}
10880 
10881 	if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10882 		int rc;
10883 
10884 		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10885 				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10886 				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10887 		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10888 		temp &= 0xfffe;
10889 		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10890 
10891 		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10892 		if (rc) {
10893 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10894 			bnx2x_eee_disable(phy, params, vars);
10895 		} else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10896 			   (phy->req_duplex == DUPLEX_FULL) &&
10897 			   (bnx2x_eee_calc_timer(params) ||
10898 			    !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10899 			/* Need to advertise EEE only when requested,
10900 			 * and either no LPI assertion was requested,
10901 			 * or it was requested and a valid timer was set.
10902 			 * Also notice full duplex is required for EEE.
10903 			 */
10904 			bnx2x_eee_advertise(phy, params, vars,
10905 					    SHMEM_EEE_1G_ADV);
10906 		} else {
10907 			DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10908 			bnx2x_eee_disable(phy, params, vars);
10909 		}
10910 	} else {
10911 		vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10912 				    SHMEM_EEE_SUPPORTED_SHIFT;
10913 
10914 		if (phy->flags & FLAGS_EEE) {
10915 			/* Handle legacy auto-grEEEn */
10916 			if (params->feature_config_flags &
10917 			    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10918 				temp = 6;
10919 				DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10920 			} else {
10921 				temp = 0;
10922 				DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10923 			}
10924 			bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10925 					 MDIO_AN_REG_EEE_ADV, temp);
10926 		}
10927 	}
10928 
10929 	bnx2x_cl22_write(bp, phy,
10930 			0x04,
10931 			an_10_100_val | fc_val);
10932 
10933 	if (phy->req_duplex == DUPLEX_FULL)
10934 		autoneg_val |= (1<<8);
10935 
10936 	bnx2x_cl22_write(bp, phy,
10937 			MDIO_PMA_REG_CTRL, autoneg_val);
10938 
10939 	return 0;
10940 }
10941 
10942 
10943 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10944 				       struct link_params *params, u8 mode)
10945 {
10946 	struct bnx2x *bp = params->bp;
10947 	u16 temp;
10948 
10949 	bnx2x_cl22_write(bp, phy,
10950 		MDIO_REG_GPHY_SHADOW,
10951 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
10952 	bnx2x_cl22_read(bp, phy,
10953 		MDIO_REG_GPHY_SHADOW,
10954 		&temp);
10955 	temp &= 0xff00;
10956 
10957 	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10958 	switch (mode) {
10959 	case LED_MODE_FRONT_PANEL_OFF:
10960 	case LED_MODE_OFF:
10961 		temp |= 0x00ee;
10962 		break;
10963 	case LED_MODE_OPER:
10964 		temp |= 0x0001;
10965 		break;
10966 	case LED_MODE_ON:
10967 		temp |= 0x00ff;
10968 		break;
10969 	default:
10970 		break;
10971 	}
10972 	bnx2x_cl22_write(bp, phy,
10973 		MDIO_REG_GPHY_SHADOW,
10974 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10975 	return;
10976 }
10977 
10978 
10979 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10980 				     struct link_params *params)
10981 {
10982 	struct bnx2x *bp = params->bp;
10983 	u32 cfg_pin;
10984 	u8 port;
10985 
10986 	/* In case of no EPIO routed to reset the GPHY, put it
10987 	 * in low power mode.
10988 	 */
10989 	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10990 	/* This works with E3 only, no need to check the chip
10991 	 * before determining the port.
10992 	 */
10993 	port = params->port;
10994 	cfg_pin = (REG_RD(bp, params->shmem_base +
10995 			offsetof(struct shmem_region,
10996 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10997 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10998 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10999 
11000 	/* Drive pin low to put GPHY in reset. */
11001 	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11002 }
11003 
11004 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11005 				    struct link_params *params,
11006 				    struct link_vars *vars)
11007 {
11008 	struct bnx2x *bp = params->bp;
11009 	u16 val;
11010 	u8 link_up = 0;
11011 	u16 legacy_status, legacy_speed;
11012 
11013 	/* Get speed operation status */
11014 	bnx2x_cl22_read(bp, phy,
11015 			MDIO_REG_GPHY_AUX_STATUS,
11016 			&legacy_status);
11017 	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11018 
11019 	/* Read status to clear the PHY interrupt. */
11020 	bnx2x_cl22_read(bp, phy,
11021 			MDIO_REG_INTR_STATUS,
11022 			&val);
11023 
11024 	link_up = ((legacy_status & (1<<2)) == (1<<2));
11025 
11026 	if (link_up) {
11027 		legacy_speed = (legacy_status & (7<<8));
11028 		if (legacy_speed == (7<<8)) {
11029 			vars->line_speed = SPEED_1000;
11030 			vars->duplex = DUPLEX_FULL;
11031 		} else if (legacy_speed == (6<<8)) {
11032 			vars->line_speed = SPEED_1000;
11033 			vars->duplex = DUPLEX_HALF;
11034 		} else if (legacy_speed == (5<<8)) {
11035 			vars->line_speed = SPEED_100;
11036 			vars->duplex = DUPLEX_FULL;
11037 		}
11038 		/* Omitting 100Base-T4 for now */
11039 		else if (legacy_speed == (3<<8)) {
11040 			vars->line_speed = SPEED_100;
11041 			vars->duplex = DUPLEX_HALF;
11042 		} else if (legacy_speed == (2<<8)) {
11043 			vars->line_speed = SPEED_10;
11044 			vars->duplex = DUPLEX_FULL;
11045 		} else if (legacy_speed == (1<<8)) {
11046 			vars->line_speed = SPEED_10;
11047 			vars->duplex = DUPLEX_HALF;
11048 		} else /* Should not happen */
11049 			vars->line_speed = 0;
11050 
11051 		DP(NETIF_MSG_LINK,
11052 		   "Link is up in %dMbps, is_duplex_full= %d\n",
11053 		   vars->line_speed,
11054 		   (vars->duplex == DUPLEX_FULL));
11055 
11056 		/* Check legacy speed AN resolution */
11057 		bnx2x_cl22_read(bp, phy,
11058 				0x01,
11059 				&val);
11060 		if (val & (1<<5))
11061 			vars->link_status |=
11062 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11063 		bnx2x_cl22_read(bp, phy,
11064 				0x06,
11065 				&val);
11066 		if ((val & (1<<0)) == 0)
11067 			vars->link_status |=
11068 				LINK_STATUS_PARALLEL_DETECTION_USED;
11069 
11070 		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11071 			   vars->line_speed);
11072 
11073 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11074 
11075 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11076 			/* Report LP advertised speeds */
11077 			bnx2x_cl22_read(bp, phy, 0x5, &val);
11078 
11079 			if (val & (1<<5))
11080 				vars->link_status |=
11081 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11082 			if (val & (1<<6))
11083 				vars->link_status |=
11084 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11085 			if (val & (1<<7))
11086 				vars->link_status |=
11087 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11088 			if (val & (1<<8))
11089 				vars->link_status |=
11090 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11091 			if (val & (1<<9))
11092 				vars->link_status |=
11093 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11094 
11095 			bnx2x_cl22_read(bp, phy, 0xa, &val);
11096 			if (val & (1<<10))
11097 				vars->link_status |=
11098 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11099 			if (val & (1<<11))
11100 				vars->link_status |=
11101 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11102 
11103 			if ((phy->flags & FLAGS_EEE) &&
11104 			    bnx2x_eee_has_cap(params))
11105 				bnx2x_eee_an_resolve(phy, params, vars);
11106 		}
11107 	}
11108 	return link_up;
11109 }
11110 
11111 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11112 					  struct link_params *params)
11113 {
11114 	struct bnx2x *bp = params->bp;
11115 	u16 val;
11116 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11117 
11118 	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11119 
11120 	/* Enable master/slave manual mmode and set to master */
11121 	/* mii write 9 [bits set 11 12] */
11122 	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11123 
11124 	/* forced 1G and disable autoneg */
11125 	/* set val [mii read 0] */
11126 	/* set val [expr $val & [bits clear 6 12 13]] */
11127 	/* set val [expr $val | [bits set 6 8]] */
11128 	/* mii write 0 $val */
11129 	bnx2x_cl22_read(bp, phy, 0x00, &val);
11130 	val &= ~((1<<6) | (1<<12) | (1<<13));
11131 	val |= (1<<6) | (1<<8);
11132 	bnx2x_cl22_write(bp, phy, 0x00, val);
11133 
11134 	/* Set external loopback and Tx using 6dB coding */
11135 	/* mii write 0x18 7 */
11136 	/* set val [mii read 0x18] */
11137 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
11138 	bnx2x_cl22_write(bp, phy, 0x18, 7);
11139 	bnx2x_cl22_read(bp, phy, 0x18, &val);
11140 	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11141 
11142 	/* This register opens the gate for the UMAC despite its name */
11143 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11144 
11145 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11146 	 * length used by the MAC receive logic to check frames.
11147 	 */
11148 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11149 }
11150 
11151 /******************************************************************/
11152 /*			SFX7101 PHY SECTION			  */
11153 /******************************************************************/
11154 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11155 				       struct link_params *params)
11156 {
11157 	struct bnx2x *bp = params->bp;
11158 	/* SFX7101_XGXS_TEST1 */
11159 	bnx2x_cl45_write(bp, phy,
11160 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11161 }
11162 
11163 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11164 				  struct link_params *params,
11165 				  struct link_vars *vars)
11166 {
11167 	u16 fw_ver1, fw_ver2, val;
11168 	struct bnx2x *bp = params->bp;
11169 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11170 
11171 	/* Restore normal power mode*/
11172 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11173 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11174 	/* HW reset */
11175 	bnx2x_ext_phy_hw_reset(bp, params->port);
11176 	bnx2x_wait_reset_complete(bp, phy, params);
11177 
11178 	bnx2x_cl45_write(bp, phy,
11179 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11180 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11181 	bnx2x_cl45_write(bp, phy,
11182 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11183 
11184 	bnx2x_ext_phy_set_pause(params, phy, vars);
11185 	/* Restart autoneg */
11186 	bnx2x_cl45_read(bp, phy,
11187 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11188 	val |= 0x200;
11189 	bnx2x_cl45_write(bp, phy,
11190 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11191 
11192 	/* Save spirom version */
11193 	bnx2x_cl45_read(bp, phy,
11194 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11195 
11196 	bnx2x_cl45_read(bp, phy,
11197 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11198 	bnx2x_save_spirom_version(bp, params->port,
11199 				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11200 	return 0;
11201 }
11202 
11203 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11204 				 struct link_params *params,
11205 				 struct link_vars *vars)
11206 {
11207 	struct bnx2x *bp = params->bp;
11208 	u8 link_up;
11209 	u16 val1, val2;
11210 	bnx2x_cl45_read(bp, phy,
11211 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11212 	bnx2x_cl45_read(bp, phy,
11213 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11214 	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11215 		   val2, val1);
11216 	bnx2x_cl45_read(bp, phy,
11217 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11218 	bnx2x_cl45_read(bp, phy,
11219 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11220 	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11221 		   val2, val1);
11222 	link_up = ((val1 & 4) == 4);
11223 	/* If link is up print the AN outcome of the SFX7101 PHY */
11224 	if (link_up) {
11225 		bnx2x_cl45_read(bp, phy,
11226 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11227 				&val2);
11228 		vars->line_speed = SPEED_10000;
11229 		vars->duplex = DUPLEX_FULL;
11230 		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11231 			   val2, (val2 & (1<<14)));
11232 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11233 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11234 
11235 		/* Read LP advertised speeds */
11236 		if (val2 & (1<<11))
11237 			vars->link_status |=
11238 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11239 	}
11240 	return link_up;
11241 }
11242 
11243 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11244 {
11245 	if (*len < 5)
11246 		return -EINVAL;
11247 	str[0] = (spirom_ver & 0xFF);
11248 	str[1] = (spirom_ver & 0xFF00) >> 8;
11249 	str[2] = (spirom_ver & 0xFF0000) >> 16;
11250 	str[3] = (spirom_ver & 0xFF000000) >> 24;
11251 	str[4] = '\0';
11252 	*len -= 5;
11253 	return 0;
11254 }
11255 
11256 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11257 {
11258 	u16 val, cnt;
11259 
11260 	bnx2x_cl45_read(bp, phy,
11261 			MDIO_PMA_DEVAD,
11262 			MDIO_PMA_REG_7101_RESET, &val);
11263 
11264 	for (cnt = 0; cnt < 10; cnt++) {
11265 		msleep(50);
11266 		/* Writes a self-clearing reset */
11267 		bnx2x_cl45_write(bp, phy,
11268 				 MDIO_PMA_DEVAD,
11269 				 MDIO_PMA_REG_7101_RESET,
11270 				 (val | (1<<15)));
11271 		/* Wait for clear */
11272 		bnx2x_cl45_read(bp, phy,
11273 				MDIO_PMA_DEVAD,
11274 				MDIO_PMA_REG_7101_RESET, &val);
11275 
11276 		if ((val & (1<<15)) == 0)
11277 			break;
11278 	}
11279 }
11280 
11281 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11282 				struct link_params *params) {
11283 	/* Low power mode is controlled by GPIO 2 */
11284 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11285 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11286 	/* The PHY reset is controlled by GPIO 1 */
11287 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11288 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11289 }
11290 
11291 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11292 				    struct link_params *params, u8 mode)
11293 {
11294 	u16 val = 0;
11295 	struct bnx2x *bp = params->bp;
11296 	switch (mode) {
11297 	case LED_MODE_FRONT_PANEL_OFF:
11298 	case LED_MODE_OFF:
11299 		val = 2;
11300 		break;
11301 	case LED_MODE_ON:
11302 		val = 1;
11303 		break;
11304 	case LED_MODE_OPER:
11305 		val = 0;
11306 		break;
11307 	}
11308 	bnx2x_cl45_write(bp, phy,
11309 			 MDIO_PMA_DEVAD,
11310 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11311 			 val);
11312 }
11313 
11314 /******************************************************************/
11315 /*			STATIC PHY DECLARATION			  */
11316 /******************************************************************/
11317 
11318 static const struct bnx2x_phy phy_null = {
11319 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11320 	.addr		= 0,
11321 	.def_md_devad	= 0,
11322 	.flags		= FLAGS_INIT_XGXS_FIRST,
11323 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11324 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11325 	.mdio_ctrl	= 0,
11326 	.supported	= 0,
11327 	.media_type	= ETH_PHY_NOT_PRESENT,
11328 	.ver_addr	= 0,
11329 	.req_flow_ctrl	= 0,
11330 	.req_line_speed	= 0,
11331 	.speed_cap_mask	= 0,
11332 	.req_duplex	= 0,
11333 	.rsrv		= 0,
11334 	.config_init	= (config_init_t)NULL,
11335 	.read_status	= (read_status_t)NULL,
11336 	.link_reset	= (link_reset_t)NULL,
11337 	.config_loopback = (config_loopback_t)NULL,
11338 	.format_fw_ver	= (format_fw_ver_t)NULL,
11339 	.hw_reset	= (hw_reset_t)NULL,
11340 	.set_link_led	= (set_link_led_t)NULL,
11341 	.phy_specific_func = (phy_specific_func_t)NULL
11342 };
11343 
11344 static const struct bnx2x_phy phy_serdes = {
11345 	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11346 	.addr		= 0xff,
11347 	.def_md_devad	= 0,
11348 	.flags		= 0,
11349 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11350 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11351 	.mdio_ctrl	= 0,
11352 	.supported	= (SUPPORTED_10baseT_Half |
11353 			   SUPPORTED_10baseT_Full |
11354 			   SUPPORTED_100baseT_Half |
11355 			   SUPPORTED_100baseT_Full |
11356 			   SUPPORTED_1000baseT_Full |
11357 			   SUPPORTED_2500baseX_Full |
11358 			   SUPPORTED_TP |
11359 			   SUPPORTED_Autoneg |
11360 			   SUPPORTED_Pause |
11361 			   SUPPORTED_Asym_Pause),
11362 	.media_type	= ETH_PHY_BASE_T,
11363 	.ver_addr	= 0,
11364 	.req_flow_ctrl	= 0,
11365 	.req_line_speed	= 0,
11366 	.speed_cap_mask	= 0,
11367 	.req_duplex	= 0,
11368 	.rsrv		= 0,
11369 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11370 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11371 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11372 	.config_loopback = (config_loopback_t)NULL,
11373 	.format_fw_ver	= (format_fw_ver_t)NULL,
11374 	.hw_reset	= (hw_reset_t)NULL,
11375 	.set_link_led	= (set_link_led_t)NULL,
11376 	.phy_specific_func = (phy_specific_func_t)NULL
11377 };
11378 
11379 static const struct bnx2x_phy phy_xgxs = {
11380 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11381 	.addr		= 0xff,
11382 	.def_md_devad	= 0,
11383 	.flags		= 0,
11384 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11385 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11386 	.mdio_ctrl	= 0,
11387 	.supported	= (SUPPORTED_10baseT_Half |
11388 			   SUPPORTED_10baseT_Full |
11389 			   SUPPORTED_100baseT_Half |
11390 			   SUPPORTED_100baseT_Full |
11391 			   SUPPORTED_1000baseT_Full |
11392 			   SUPPORTED_2500baseX_Full |
11393 			   SUPPORTED_10000baseT_Full |
11394 			   SUPPORTED_FIBRE |
11395 			   SUPPORTED_Autoneg |
11396 			   SUPPORTED_Pause |
11397 			   SUPPORTED_Asym_Pause),
11398 	.media_type	= ETH_PHY_CX4,
11399 	.ver_addr	= 0,
11400 	.req_flow_ctrl	= 0,
11401 	.req_line_speed	= 0,
11402 	.speed_cap_mask	= 0,
11403 	.req_duplex	= 0,
11404 	.rsrv		= 0,
11405 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11406 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11407 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11408 	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11409 	.format_fw_ver	= (format_fw_ver_t)NULL,
11410 	.hw_reset	= (hw_reset_t)NULL,
11411 	.set_link_led	= (set_link_led_t)NULL,
11412 	.phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
11413 };
11414 static const struct bnx2x_phy phy_warpcore = {
11415 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11416 	.addr		= 0xff,
11417 	.def_md_devad	= 0,
11418 	.flags		= FLAGS_TX_ERROR_CHECK,
11419 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11420 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11421 	.mdio_ctrl	= 0,
11422 	.supported	= (SUPPORTED_10baseT_Half |
11423 			   SUPPORTED_10baseT_Full |
11424 			   SUPPORTED_100baseT_Half |
11425 			   SUPPORTED_100baseT_Full |
11426 			   SUPPORTED_1000baseT_Full |
11427 			   SUPPORTED_10000baseT_Full |
11428 			   SUPPORTED_20000baseKR2_Full |
11429 			   SUPPORTED_20000baseMLD2_Full |
11430 			   SUPPORTED_FIBRE |
11431 			   SUPPORTED_Autoneg |
11432 			   SUPPORTED_Pause |
11433 			   SUPPORTED_Asym_Pause),
11434 	.media_type	= ETH_PHY_UNSPECIFIED,
11435 	.ver_addr	= 0,
11436 	.req_flow_ctrl	= 0,
11437 	.req_line_speed	= 0,
11438 	.speed_cap_mask	= 0,
11439 	/* req_duplex = */0,
11440 	/* rsrv = */0,
11441 	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
11442 	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
11443 	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
11444 	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11445 	.format_fw_ver	= (format_fw_ver_t)NULL,
11446 	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11447 	.set_link_led	= (set_link_led_t)NULL,
11448 	.phy_specific_func = (phy_specific_func_t)NULL
11449 };
11450 
11451 
11452 static const struct bnx2x_phy phy_7101 = {
11453 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11454 	.addr		= 0xff,
11455 	.def_md_devad	= 0,
11456 	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
11457 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11458 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11459 	.mdio_ctrl	= 0,
11460 	.supported	= (SUPPORTED_10000baseT_Full |
11461 			   SUPPORTED_TP |
11462 			   SUPPORTED_Autoneg |
11463 			   SUPPORTED_Pause |
11464 			   SUPPORTED_Asym_Pause),
11465 	.media_type	= ETH_PHY_BASE_T,
11466 	.ver_addr	= 0,
11467 	.req_flow_ctrl	= 0,
11468 	.req_line_speed	= 0,
11469 	.speed_cap_mask	= 0,
11470 	.req_duplex	= 0,
11471 	.rsrv		= 0,
11472 	.config_init	= (config_init_t)bnx2x_7101_config_init,
11473 	.read_status	= (read_status_t)bnx2x_7101_read_status,
11474 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11475 	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11476 	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
11477 	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
11478 	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
11479 	.phy_specific_func = (phy_specific_func_t)NULL
11480 };
11481 static const struct bnx2x_phy phy_8073 = {
11482 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11483 	.addr		= 0xff,
11484 	.def_md_devad	= 0,
11485 	.flags		= 0,
11486 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11487 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11488 	.mdio_ctrl	= 0,
11489 	.supported	= (SUPPORTED_10000baseT_Full |
11490 			   SUPPORTED_2500baseX_Full |
11491 			   SUPPORTED_1000baseT_Full |
11492 			   SUPPORTED_FIBRE |
11493 			   SUPPORTED_Autoneg |
11494 			   SUPPORTED_Pause |
11495 			   SUPPORTED_Asym_Pause),
11496 	.media_type	= ETH_PHY_KR,
11497 	.ver_addr	= 0,
11498 	.req_flow_ctrl	= 0,
11499 	.req_line_speed	= 0,
11500 	.speed_cap_mask	= 0,
11501 	.req_duplex	= 0,
11502 	.rsrv		= 0,
11503 	.config_init	= (config_init_t)bnx2x_8073_config_init,
11504 	.read_status	= (read_status_t)bnx2x_8073_read_status,
11505 	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
11506 	.config_loopback = (config_loopback_t)NULL,
11507 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11508 	.hw_reset	= (hw_reset_t)NULL,
11509 	.set_link_led	= (set_link_led_t)NULL,
11510 	.phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
11511 };
11512 static const struct bnx2x_phy phy_8705 = {
11513 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11514 	.addr		= 0xff,
11515 	.def_md_devad	= 0,
11516 	.flags		= FLAGS_INIT_XGXS_FIRST,
11517 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11518 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11519 	.mdio_ctrl	= 0,
11520 	.supported	= (SUPPORTED_10000baseT_Full |
11521 			   SUPPORTED_FIBRE |
11522 			   SUPPORTED_Pause |
11523 			   SUPPORTED_Asym_Pause),
11524 	.media_type	= ETH_PHY_XFP_FIBER,
11525 	.ver_addr	= 0,
11526 	.req_flow_ctrl	= 0,
11527 	.req_line_speed	= 0,
11528 	.speed_cap_mask	= 0,
11529 	.req_duplex	= 0,
11530 	.rsrv		= 0,
11531 	.config_init	= (config_init_t)bnx2x_8705_config_init,
11532 	.read_status	= (read_status_t)bnx2x_8705_read_status,
11533 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11534 	.config_loopback = (config_loopback_t)NULL,
11535 	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
11536 	.hw_reset	= (hw_reset_t)NULL,
11537 	.set_link_led	= (set_link_led_t)NULL,
11538 	.phy_specific_func = (phy_specific_func_t)NULL
11539 };
11540 static const struct bnx2x_phy phy_8706 = {
11541 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11542 	.addr		= 0xff,
11543 	.def_md_devad	= 0,
11544 	.flags		= FLAGS_INIT_XGXS_FIRST,
11545 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11546 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11547 	.mdio_ctrl	= 0,
11548 	.supported	= (SUPPORTED_10000baseT_Full |
11549 			   SUPPORTED_1000baseT_Full |
11550 			   SUPPORTED_FIBRE |
11551 			   SUPPORTED_Pause |
11552 			   SUPPORTED_Asym_Pause),
11553 	.media_type	= ETH_PHY_SFPP_10G_FIBER,
11554 	.ver_addr	= 0,
11555 	.req_flow_ctrl	= 0,
11556 	.req_line_speed	= 0,
11557 	.speed_cap_mask	= 0,
11558 	.req_duplex	= 0,
11559 	.rsrv		= 0,
11560 	.config_init	= (config_init_t)bnx2x_8706_config_init,
11561 	.read_status	= (read_status_t)bnx2x_8706_read_status,
11562 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11563 	.config_loopback = (config_loopback_t)NULL,
11564 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11565 	.hw_reset	= (hw_reset_t)NULL,
11566 	.set_link_led	= (set_link_led_t)NULL,
11567 	.phy_specific_func = (phy_specific_func_t)NULL
11568 };
11569 
11570 static const struct bnx2x_phy phy_8726 = {
11571 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11572 	.addr		= 0xff,
11573 	.def_md_devad	= 0,
11574 	.flags		= (FLAGS_INIT_XGXS_FIRST |
11575 			   FLAGS_TX_ERROR_CHECK),
11576 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11577 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11578 	.mdio_ctrl	= 0,
11579 	.supported	= (SUPPORTED_10000baseT_Full |
11580 			   SUPPORTED_1000baseT_Full |
11581 			   SUPPORTED_Autoneg |
11582 			   SUPPORTED_FIBRE |
11583 			   SUPPORTED_Pause |
11584 			   SUPPORTED_Asym_Pause),
11585 	.media_type	= ETH_PHY_NOT_PRESENT,
11586 	.ver_addr	= 0,
11587 	.req_flow_ctrl	= 0,
11588 	.req_line_speed	= 0,
11589 	.speed_cap_mask	= 0,
11590 	.req_duplex	= 0,
11591 	.rsrv		= 0,
11592 	.config_init	= (config_init_t)bnx2x_8726_config_init,
11593 	.read_status	= (read_status_t)bnx2x_8726_read_status,
11594 	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
11595 	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11596 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11597 	.hw_reset	= (hw_reset_t)NULL,
11598 	.set_link_led	= (set_link_led_t)NULL,
11599 	.phy_specific_func = (phy_specific_func_t)NULL
11600 };
11601 
11602 static const struct bnx2x_phy phy_8727 = {
11603 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11604 	.addr		= 0xff,
11605 	.def_md_devad	= 0,
11606 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11607 			   FLAGS_TX_ERROR_CHECK),
11608 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11609 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11610 	.mdio_ctrl	= 0,
11611 	.supported	= (SUPPORTED_10000baseT_Full |
11612 			   SUPPORTED_1000baseT_Full |
11613 			   SUPPORTED_FIBRE |
11614 			   SUPPORTED_Pause |
11615 			   SUPPORTED_Asym_Pause),
11616 	.media_type	= ETH_PHY_NOT_PRESENT,
11617 	.ver_addr	= 0,
11618 	.req_flow_ctrl	= 0,
11619 	.req_line_speed	= 0,
11620 	.speed_cap_mask	= 0,
11621 	.req_duplex	= 0,
11622 	.rsrv		= 0,
11623 	.config_init	= (config_init_t)bnx2x_8727_config_init,
11624 	.read_status	= (read_status_t)bnx2x_8727_read_status,
11625 	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
11626 	.config_loopback = (config_loopback_t)NULL,
11627 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11628 	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
11629 	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
11630 	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11631 };
11632 static const struct bnx2x_phy phy_8481 = {
11633 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11634 	.addr		= 0xff,
11635 	.def_md_devad	= 0,
11636 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11637 			  FLAGS_REARM_LATCH_SIGNAL,
11638 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11639 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11640 	.mdio_ctrl	= 0,
11641 	.supported	= (SUPPORTED_10baseT_Half |
11642 			   SUPPORTED_10baseT_Full |
11643 			   SUPPORTED_100baseT_Half |
11644 			   SUPPORTED_100baseT_Full |
11645 			   SUPPORTED_1000baseT_Full |
11646 			   SUPPORTED_10000baseT_Full |
11647 			   SUPPORTED_TP |
11648 			   SUPPORTED_Autoneg |
11649 			   SUPPORTED_Pause |
11650 			   SUPPORTED_Asym_Pause),
11651 	.media_type	= ETH_PHY_BASE_T,
11652 	.ver_addr	= 0,
11653 	.req_flow_ctrl	= 0,
11654 	.req_line_speed	= 0,
11655 	.speed_cap_mask	= 0,
11656 	.req_duplex	= 0,
11657 	.rsrv		= 0,
11658 	.config_init	= (config_init_t)bnx2x_8481_config_init,
11659 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11660 	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
11661 	.config_loopback = (config_loopback_t)NULL,
11662 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11663 	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
11664 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11665 	.phy_specific_func = (phy_specific_func_t)NULL
11666 };
11667 
11668 static const struct bnx2x_phy phy_84823 = {
11669 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11670 	.addr		= 0xff,
11671 	.def_md_devad	= 0,
11672 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11673 			   FLAGS_REARM_LATCH_SIGNAL |
11674 			   FLAGS_TX_ERROR_CHECK),
11675 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11676 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11677 	.mdio_ctrl	= 0,
11678 	.supported	= (SUPPORTED_10baseT_Half |
11679 			   SUPPORTED_10baseT_Full |
11680 			   SUPPORTED_100baseT_Half |
11681 			   SUPPORTED_100baseT_Full |
11682 			   SUPPORTED_1000baseT_Full |
11683 			   SUPPORTED_10000baseT_Full |
11684 			   SUPPORTED_TP |
11685 			   SUPPORTED_Autoneg |
11686 			   SUPPORTED_Pause |
11687 			   SUPPORTED_Asym_Pause),
11688 	.media_type	= ETH_PHY_BASE_T,
11689 	.ver_addr	= 0,
11690 	.req_flow_ctrl	= 0,
11691 	.req_line_speed	= 0,
11692 	.speed_cap_mask	= 0,
11693 	.req_duplex	= 0,
11694 	.rsrv		= 0,
11695 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11696 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11697 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11698 	.config_loopback = (config_loopback_t)NULL,
11699 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11700 	.hw_reset	= (hw_reset_t)NULL,
11701 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11702 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11703 };
11704 
11705 static const struct bnx2x_phy phy_84833 = {
11706 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11707 	.addr		= 0xff,
11708 	.def_md_devad	= 0,
11709 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11710 			   FLAGS_REARM_LATCH_SIGNAL |
11711 			   FLAGS_TX_ERROR_CHECK),
11712 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11713 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11714 	.mdio_ctrl	= 0,
11715 	.supported	= (SUPPORTED_100baseT_Half |
11716 			   SUPPORTED_100baseT_Full |
11717 			   SUPPORTED_1000baseT_Full |
11718 			   SUPPORTED_10000baseT_Full |
11719 			   SUPPORTED_TP |
11720 			   SUPPORTED_Autoneg |
11721 			   SUPPORTED_Pause |
11722 			   SUPPORTED_Asym_Pause),
11723 	.media_type	= ETH_PHY_BASE_T,
11724 	.ver_addr	= 0,
11725 	.req_flow_ctrl	= 0,
11726 	.req_line_speed	= 0,
11727 	.speed_cap_mask	= 0,
11728 	.req_duplex	= 0,
11729 	.rsrv		= 0,
11730 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11731 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11732 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11733 	.config_loopback = (config_loopback_t)NULL,
11734 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11735 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11736 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11737 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11738 };
11739 
11740 static const struct bnx2x_phy phy_84834 = {
11741 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11742 	.addr		= 0xff,
11743 	.def_md_devad	= 0,
11744 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11745 			    FLAGS_REARM_LATCH_SIGNAL,
11746 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11747 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11748 	.mdio_ctrl	= 0,
11749 	.supported	= (SUPPORTED_100baseT_Half |
11750 			   SUPPORTED_100baseT_Full |
11751 			   SUPPORTED_1000baseT_Full |
11752 			   SUPPORTED_10000baseT_Full |
11753 			   SUPPORTED_TP |
11754 			   SUPPORTED_Autoneg |
11755 			   SUPPORTED_Pause |
11756 			   SUPPORTED_Asym_Pause),
11757 	.media_type	= ETH_PHY_BASE_T,
11758 	.ver_addr	= 0,
11759 	.req_flow_ctrl	= 0,
11760 	.req_line_speed	= 0,
11761 	.speed_cap_mask	= 0,
11762 	.req_duplex	= 0,
11763 	.rsrv		= 0,
11764 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11765 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11766 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11767 	.config_loopback = (config_loopback_t)NULL,
11768 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11769 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11770 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11771 	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11772 };
11773 
11774 static const struct bnx2x_phy phy_54618se = {
11775 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11776 	.addr		= 0xff,
11777 	.def_md_devad	= 0,
11778 	.flags		= FLAGS_INIT_XGXS_FIRST,
11779 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11780 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11781 	.mdio_ctrl	= 0,
11782 	.supported	= (SUPPORTED_10baseT_Half |
11783 			   SUPPORTED_10baseT_Full |
11784 			   SUPPORTED_100baseT_Half |
11785 			   SUPPORTED_100baseT_Full |
11786 			   SUPPORTED_1000baseT_Full |
11787 			   SUPPORTED_TP |
11788 			   SUPPORTED_Autoneg |
11789 			   SUPPORTED_Pause |
11790 			   SUPPORTED_Asym_Pause),
11791 	.media_type	= ETH_PHY_BASE_T,
11792 	.ver_addr	= 0,
11793 	.req_flow_ctrl	= 0,
11794 	.req_line_speed	= 0,
11795 	.speed_cap_mask	= 0,
11796 	/* req_duplex = */0,
11797 	/* rsrv = */0,
11798 	.config_init	= (config_init_t)bnx2x_54618se_config_init,
11799 	.read_status	= (read_status_t)bnx2x_54618se_read_status,
11800 	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
11801 	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11802 	.format_fw_ver	= (format_fw_ver_t)NULL,
11803 	.hw_reset	= (hw_reset_t)NULL,
11804 	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
11805 	.phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
11806 };
11807 /*****************************************************************/
11808 /*                                                               */
11809 /* Populate the phy according. Main function: bnx2x_populate_phy   */
11810 /*                                                               */
11811 /*****************************************************************/
11812 
11813 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11814 				     struct bnx2x_phy *phy, u8 port,
11815 				     u8 phy_index)
11816 {
11817 	/* Get the 4 lanes xgxs config rx and tx */
11818 	u32 rx = 0, tx = 0, i;
11819 	for (i = 0; i < 2; i++) {
11820 		/* INT_PHY and EXT_PHY1 share the same value location in
11821 		 * the shmem. When num_phys is greater than 1, than this value
11822 		 * applies only to EXT_PHY1
11823 		 */
11824 		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11825 			rx = REG_RD(bp, shmem_base +
11826 				    offsetof(struct shmem_region,
11827 			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11828 
11829 			tx = REG_RD(bp, shmem_base +
11830 				    offsetof(struct shmem_region,
11831 			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11832 		} else {
11833 			rx = REG_RD(bp, shmem_base +
11834 				    offsetof(struct shmem_region,
11835 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11836 
11837 			tx = REG_RD(bp, shmem_base +
11838 				    offsetof(struct shmem_region,
11839 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11840 		}
11841 
11842 		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11843 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11844 
11845 		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11846 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11847 	}
11848 }
11849 
11850 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11851 				    u8 phy_index, u8 port)
11852 {
11853 	u32 ext_phy_config = 0;
11854 	switch (phy_index) {
11855 	case EXT_PHY1:
11856 		ext_phy_config = REG_RD(bp, shmem_base +
11857 					      offsetof(struct shmem_region,
11858 			dev_info.port_hw_config[port].external_phy_config));
11859 		break;
11860 	case EXT_PHY2:
11861 		ext_phy_config = REG_RD(bp, shmem_base +
11862 					      offsetof(struct shmem_region,
11863 			dev_info.port_hw_config[port].external_phy_config2));
11864 		break;
11865 	default:
11866 		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11867 		return -EINVAL;
11868 	}
11869 
11870 	return ext_phy_config;
11871 }
11872 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11873 				  struct bnx2x_phy *phy)
11874 {
11875 	u32 phy_addr;
11876 	u32 chip_id;
11877 	u32 switch_cfg = (REG_RD(bp, shmem_base +
11878 				       offsetof(struct shmem_region,
11879 			dev_info.port_feature_config[port].link_config)) &
11880 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
11881 	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11882 		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11883 
11884 	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11885 	if (USES_WARPCORE(bp)) {
11886 		u32 serdes_net_if;
11887 		phy_addr = REG_RD(bp,
11888 				  MISC_REG_WC0_CTRL_PHY_ADDR);
11889 		*phy = phy_warpcore;
11890 		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11891 			phy->flags |= FLAGS_4_PORT_MODE;
11892 		else
11893 			phy->flags &= ~FLAGS_4_PORT_MODE;
11894 			/* Check Dual mode */
11895 		serdes_net_if = (REG_RD(bp, shmem_base +
11896 					offsetof(struct shmem_region, dev_info.
11897 					port_hw_config[port].default_cfg)) &
11898 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
11899 		/* Set the appropriate supported and flags indications per
11900 		 * interface type of the chip
11901 		 */
11902 		switch (serdes_net_if) {
11903 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11904 			phy->supported &= (SUPPORTED_10baseT_Half |
11905 					   SUPPORTED_10baseT_Full |
11906 					   SUPPORTED_100baseT_Half |
11907 					   SUPPORTED_100baseT_Full |
11908 					   SUPPORTED_1000baseT_Full |
11909 					   SUPPORTED_FIBRE |
11910 					   SUPPORTED_Autoneg |
11911 					   SUPPORTED_Pause |
11912 					   SUPPORTED_Asym_Pause);
11913 			phy->media_type = ETH_PHY_BASE_T;
11914 			break;
11915 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
11916 			phy->supported &= (SUPPORTED_1000baseT_Full |
11917 					   SUPPORTED_10000baseT_Full |
11918 					   SUPPORTED_FIBRE |
11919 					   SUPPORTED_Pause |
11920 					   SUPPORTED_Asym_Pause);
11921 			phy->media_type = ETH_PHY_XFP_FIBER;
11922 			break;
11923 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
11924 			phy->supported &= (SUPPORTED_1000baseT_Full |
11925 					   SUPPORTED_10000baseT_Full |
11926 					   SUPPORTED_FIBRE |
11927 					   SUPPORTED_Pause |
11928 					   SUPPORTED_Asym_Pause);
11929 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11930 			break;
11931 		case PORT_HW_CFG_NET_SERDES_IF_KR:
11932 			phy->media_type = ETH_PHY_KR;
11933 			phy->supported &= (SUPPORTED_1000baseT_Full |
11934 					   SUPPORTED_10000baseT_Full |
11935 					   SUPPORTED_FIBRE |
11936 					   SUPPORTED_Autoneg |
11937 					   SUPPORTED_Pause |
11938 					   SUPPORTED_Asym_Pause);
11939 			break;
11940 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11941 			phy->media_type = ETH_PHY_KR;
11942 			phy->flags |= FLAGS_WC_DUAL_MODE;
11943 			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11944 					   SUPPORTED_FIBRE |
11945 					   SUPPORTED_Pause |
11946 					   SUPPORTED_Asym_Pause);
11947 			break;
11948 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
11949 			phy->media_type = ETH_PHY_KR;
11950 			phy->flags |= FLAGS_WC_DUAL_MODE;
11951 			phy->supported &= (SUPPORTED_20000baseKR2_Full |
11952 					   SUPPORTED_10000baseT_Full |
11953 					   SUPPORTED_1000baseT_Full |
11954 					   SUPPORTED_Autoneg |
11955 					   SUPPORTED_FIBRE |
11956 					   SUPPORTED_Pause |
11957 					   SUPPORTED_Asym_Pause);
11958 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
11959 			break;
11960 		default:
11961 			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11962 				       serdes_net_if);
11963 			break;
11964 		}
11965 
11966 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11967 		 * was not set as expected. For B0, ECO will be enabled so there
11968 		 * won't be an issue there
11969 		 */
11970 		if (CHIP_REV(bp) == CHIP_REV_Ax)
11971 			phy->flags |= FLAGS_MDC_MDIO_WA;
11972 		else
11973 			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11974 	} else {
11975 		switch (switch_cfg) {
11976 		case SWITCH_CFG_1G:
11977 			phy_addr = REG_RD(bp,
11978 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
11979 					  port * 0x10);
11980 			*phy = phy_serdes;
11981 			break;
11982 		case SWITCH_CFG_10G:
11983 			phy_addr = REG_RD(bp,
11984 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
11985 					  port * 0x18);
11986 			*phy = phy_xgxs;
11987 			break;
11988 		default:
11989 			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11990 			return -EINVAL;
11991 		}
11992 	}
11993 	phy->addr = (u8)phy_addr;
11994 	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11995 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11996 					    port);
11997 	if (CHIP_IS_E2(bp))
11998 		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11999 	else
12000 		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12001 
12002 	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12003 		   port, phy->addr, phy->mdio_ctrl);
12004 
12005 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12006 	return 0;
12007 }
12008 
12009 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12010 				  u8 phy_index,
12011 				  u32 shmem_base,
12012 				  u32 shmem2_base,
12013 				  u8 port,
12014 				  struct bnx2x_phy *phy)
12015 {
12016 	u32 ext_phy_config, phy_type, config2;
12017 	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12018 	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12019 						  phy_index, port);
12020 	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12021 	/* Select the phy type */
12022 	switch (phy_type) {
12023 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12024 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12025 		*phy = phy_8073;
12026 		break;
12027 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12028 		*phy = phy_8705;
12029 		break;
12030 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12031 		*phy = phy_8706;
12032 		break;
12033 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12034 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12035 		*phy = phy_8726;
12036 		break;
12037 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12038 		/* BCM8727_NOC => BCM8727 no over current */
12039 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12040 		*phy = phy_8727;
12041 		phy->flags |= FLAGS_NOC;
12042 		break;
12043 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12044 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12045 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12046 		*phy = phy_8727;
12047 		break;
12048 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12049 		*phy = phy_8481;
12050 		break;
12051 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12052 		*phy = phy_84823;
12053 		break;
12054 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12055 		*phy = phy_84833;
12056 		break;
12057 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12058 		*phy = phy_84834;
12059 		break;
12060 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12061 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12062 		*phy = phy_54618se;
12063 		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12064 			phy->flags |= FLAGS_EEE;
12065 		break;
12066 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12067 		*phy = phy_7101;
12068 		break;
12069 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12070 		*phy = phy_null;
12071 		return -EINVAL;
12072 	default:
12073 		*phy = phy_null;
12074 		/* In case external PHY wasn't found */
12075 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12076 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12077 			return -EINVAL;
12078 		return 0;
12079 	}
12080 
12081 	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12082 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12083 
12084 	/* The shmem address of the phy version is located on different
12085 	 * structures. In case this structure is too old, do not set
12086 	 * the address
12087 	 */
12088 	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12089 					dev_info.shared_hw_config.config2));
12090 	if (phy_index == EXT_PHY1) {
12091 		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12092 				port_mb[port].ext_phy_fw_version);
12093 
12094 		/* Check specific mdc mdio settings */
12095 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12096 			mdc_mdio_access = config2 &
12097 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12098 	} else {
12099 		u32 size = REG_RD(bp, shmem2_base);
12100 
12101 		if (size >
12102 		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12103 			phy->ver_addr = shmem2_base +
12104 			    offsetof(struct shmem2_region,
12105 				     ext_phy_fw_version2[port]);
12106 		}
12107 		/* Check specific mdc mdio settings */
12108 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12109 			mdc_mdio_access = (config2 &
12110 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12111 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12112 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12113 	}
12114 	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12115 
12116 	if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
12117 	     (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
12118 	    (phy->ver_addr)) {
12119 		/* Remove 100Mb link supported for BCM84833/4 when phy fw
12120 		 * version lower than or equal to 1.39
12121 		 */
12122 		u32 raw_ver = REG_RD(bp, phy->ver_addr);
12123 		if (((raw_ver & 0x7F) <= 39) &&
12124 		    (((raw_ver & 0xF80) >> 7) <= 1))
12125 			phy->supported &= ~(SUPPORTED_100baseT_Half |
12126 					    SUPPORTED_100baseT_Full);
12127 	}
12128 
12129 	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12130 		   phy_type, port, phy_index);
12131 	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
12132 		   phy->addr, phy->mdio_ctrl);
12133 	return 0;
12134 }
12135 
12136 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12137 			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12138 {
12139 	int status = 0;
12140 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12141 	if (phy_index == INT_PHY)
12142 		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12143 	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12144 					port, phy);
12145 	return status;
12146 }
12147 
12148 static void bnx2x_phy_def_cfg(struct link_params *params,
12149 			      struct bnx2x_phy *phy,
12150 			      u8 phy_index)
12151 {
12152 	struct bnx2x *bp = params->bp;
12153 	u32 link_config;
12154 	/* Populate the default phy configuration for MF mode */
12155 	if (phy_index == EXT_PHY2) {
12156 		link_config = REG_RD(bp, params->shmem_base +
12157 				     offsetof(struct shmem_region, dev_info.
12158 			port_feature_config[params->port].link_config2));
12159 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12160 					     offsetof(struct shmem_region,
12161 						      dev_info.
12162 			port_hw_config[params->port].speed_capability_mask2));
12163 	} else {
12164 		link_config = REG_RD(bp, params->shmem_base +
12165 				     offsetof(struct shmem_region, dev_info.
12166 				port_feature_config[params->port].link_config));
12167 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12168 					     offsetof(struct shmem_region,
12169 						      dev_info.
12170 			port_hw_config[params->port].speed_capability_mask));
12171 	}
12172 	DP(NETIF_MSG_LINK,
12173 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12174 	   phy_index, link_config, phy->speed_cap_mask);
12175 
12176 	phy->req_duplex = DUPLEX_FULL;
12177 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
12178 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
12179 		phy->req_duplex = DUPLEX_HALF;
12180 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
12181 		phy->req_line_speed = SPEED_10;
12182 		break;
12183 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
12184 		phy->req_duplex = DUPLEX_HALF;
12185 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
12186 		phy->req_line_speed = SPEED_100;
12187 		break;
12188 	case PORT_FEATURE_LINK_SPEED_1G:
12189 		phy->req_line_speed = SPEED_1000;
12190 		break;
12191 	case PORT_FEATURE_LINK_SPEED_2_5G:
12192 		phy->req_line_speed = SPEED_2500;
12193 		break;
12194 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
12195 		phy->req_line_speed = SPEED_10000;
12196 		break;
12197 	default:
12198 		phy->req_line_speed = SPEED_AUTO_NEG;
12199 		break;
12200 	}
12201 
12202 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12203 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
12204 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12205 		break;
12206 	case PORT_FEATURE_FLOW_CONTROL_TX:
12207 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12208 		break;
12209 	case PORT_FEATURE_FLOW_CONTROL_RX:
12210 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12211 		break;
12212 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
12213 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12214 		break;
12215 	default:
12216 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12217 		break;
12218 	}
12219 }
12220 
12221 u32 bnx2x_phy_selection(struct link_params *params)
12222 {
12223 	u32 phy_config_swapped, prio_cfg;
12224 	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12225 
12226 	phy_config_swapped = params->multi_phy_config &
12227 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12228 
12229 	prio_cfg = params->multi_phy_config &
12230 			PORT_HW_CFG_PHY_SELECTION_MASK;
12231 
12232 	if (phy_config_swapped) {
12233 		switch (prio_cfg) {
12234 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12235 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12236 		     break;
12237 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12238 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12239 		     break;
12240 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12241 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12242 		     break;
12243 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12244 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12245 		     break;
12246 		}
12247 	} else
12248 		return_cfg = prio_cfg;
12249 
12250 	return return_cfg;
12251 }
12252 
12253 int bnx2x_phy_probe(struct link_params *params)
12254 {
12255 	u8 phy_index, actual_phy_idx;
12256 	u32 phy_config_swapped, sync_offset, media_types;
12257 	struct bnx2x *bp = params->bp;
12258 	struct bnx2x_phy *phy;
12259 	params->num_phys = 0;
12260 	DP(NETIF_MSG_LINK, "Begin phy probe\n");
12261 	phy_config_swapped = params->multi_phy_config &
12262 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12263 
12264 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12265 	      phy_index++) {
12266 		actual_phy_idx = phy_index;
12267 		if (phy_config_swapped) {
12268 			if (phy_index == EXT_PHY1)
12269 				actual_phy_idx = EXT_PHY2;
12270 			else if (phy_index == EXT_PHY2)
12271 				actual_phy_idx = EXT_PHY1;
12272 		}
12273 		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12274 			       " actual_phy_idx %x\n", phy_config_swapped,
12275 			   phy_index, actual_phy_idx);
12276 		phy = &params->phy[actual_phy_idx];
12277 		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12278 				       params->shmem2_base, params->port,
12279 				       phy) != 0) {
12280 			params->num_phys = 0;
12281 			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12282 				   phy_index);
12283 			for (phy_index = INT_PHY;
12284 			      phy_index < MAX_PHYS;
12285 			      phy_index++)
12286 				*phy = phy_null;
12287 			return -EINVAL;
12288 		}
12289 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12290 			break;
12291 
12292 		if (params->feature_config_flags &
12293 		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12294 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12295 
12296 		if (!(params->feature_config_flags &
12297 		      FEATURE_CONFIG_MT_SUPPORT))
12298 			phy->flags |= FLAGS_MDC_MDIO_WA_G;
12299 
12300 		sync_offset = params->shmem_base +
12301 			offsetof(struct shmem_region,
12302 			dev_info.port_hw_config[params->port].media_type);
12303 		media_types = REG_RD(bp, sync_offset);
12304 
12305 		/* Update media type for non-PMF sync only for the first time
12306 		 * In case the media type changes afterwards, it will be updated
12307 		 * using the update_status function
12308 		 */
12309 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12310 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12311 				     actual_phy_idx))) == 0) {
12312 			media_types |= ((phy->media_type &
12313 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12314 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12315 				 actual_phy_idx));
12316 		}
12317 		REG_WR(bp, sync_offset, media_types);
12318 
12319 		bnx2x_phy_def_cfg(params, phy, phy_index);
12320 		params->num_phys++;
12321 	}
12322 
12323 	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12324 	return 0;
12325 }
12326 
12327 static void bnx2x_init_bmac_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_10000;
12333 		vars->duplex = DUPLEX_FULL;
12334 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12335 		vars->mac_type = MAC_TYPE_BMAC;
12336 
12337 		vars->phy_flags = PHY_XGXS_FLAG;
12338 
12339 		bnx2x_xgxs_deassert(params);
12340 
12341 		/* Set bmac loopback */
12342 		bnx2x_bmac_enable(params, vars, 1, 1);
12343 
12344 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12345 }
12346 
12347 static void bnx2x_init_emac_loopback(struct link_params *params,
12348 				     struct link_vars *vars)
12349 {
12350 	struct bnx2x *bp = params->bp;
12351 		vars->link_up = 1;
12352 		vars->line_speed = SPEED_1000;
12353 		vars->duplex = DUPLEX_FULL;
12354 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12355 		vars->mac_type = MAC_TYPE_EMAC;
12356 
12357 		vars->phy_flags = PHY_XGXS_FLAG;
12358 
12359 		bnx2x_xgxs_deassert(params);
12360 		/* Set bmac loopback */
12361 		bnx2x_emac_enable(params, vars, 1);
12362 		bnx2x_emac_program(params, vars);
12363 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12364 }
12365 
12366 static void bnx2x_init_xmac_loopback(struct link_params *params,
12367 				     struct link_vars *vars)
12368 {
12369 	struct bnx2x *bp = params->bp;
12370 	vars->link_up = 1;
12371 	if (!params->req_line_speed[0])
12372 		vars->line_speed = SPEED_10000;
12373 	else
12374 		vars->line_speed = params->req_line_speed[0];
12375 	vars->duplex = DUPLEX_FULL;
12376 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12377 	vars->mac_type = MAC_TYPE_XMAC;
12378 	vars->phy_flags = PHY_XGXS_FLAG;
12379 	/* Set WC to loopback mode since link is required to provide clock
12380 	 * to the XMAC in 20G mode
12381 	 */
12382 	bnx2x_set_aer_mmd(params, &params->phy[0]);
12383 	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12384 	params->phy[INT_PHY].config_loopback(
12385 			&params->phy[INT_PHY],
12386 			params);
12387 
12388 	bnx2x_xmac_enable(params, vars, 1);
12389 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12390 }
12391 
12392 static void bnx2x_init_umac_loopback(struct link_params *params,
12393 				     struct link_vars *vars)
12394 {
12395 	struct bnx2x *bp = params->bp;
12396 	vars->link_up = 1;
12397 	vars->line_speed = SPEED_1000;
12398 	vars->duplex = DUPLEX_FULL;
12399 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12400 	vars->mac_type = MAC_TYPE_UMAC;
12401 	vars->phy_flags = PHY_XGXS_FLAG;
12402 	bnx2x_umac_enable(params, vars, 1);
12403 
12404 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12405 }
12406 
12407 static void bnx2x_init_xgxs_loopback(struct link_params *params,
12408 				     struct link_vars *vars)
12409 {
12410 	struct bnx2x *bp = params->bp;
12411 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
12412 	vars->link_up = 1;
12413 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12414 	vars->duplex = DUPLEX_FULL;
12415 	if (params->req_line_speed[0] == SPEED_1000)
12416 		vars->line_speed = SPEED_1000;
12417 	else if ((params->req_line_speed[0] == SPEED_20000) ||
12418 		 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12419 		vars->line_speed = SPEED_20000;
12420 	else
12421 		vars->line_speed = SPEED_10000;
12422 
12423 	if (!USES_WARPCORE(bp))
12424 		bnx2x_xgxs_deassert(params);
12425 	bnx2x_link_initialize(params, vars);
12426 
12427 	if (params->req_line_speed[0] == SPEED_1000) {
12428 		if (USES_WARPCORE(bp))
12429 			bnx2x_umac_enable(params, vars, 0);
12430 		else {
12431 			bnx2x_emac_program(params, vars);
12432 			bnx2x_emac_enable(params, vars, 0);
12433 		}
12434 	} else {
12435 		if (USES_WARPCORE(bp))
12436 			bnx2x_xmac_enable(params, vars, 0);
12437 		else
12438 			bnx2x_bmac_enable(params, vars, 0, 1);
12439 	}
12440 
12441 	if (params->loopback_mode == LOOPBACK_XGXS) {
12442 		/* Set 10G XGXS loopback */
12443 		int_phy->config_loopback(int_phy, params);
12444 	} else {
12445 		/* Set external phy loopback */
12446 		u8 phy_index;
12447 		for (phy_index = EXT_PHY1;
12448 		      phy_index < params->num_phys; phy_index++)
12449 			if (params->phy[phy_index].config_loopback)
12450 				params->phy[phy_index].config_loopback(
12451 					&params->phy[phy_index],
12452 					params);
12453 	}
12454 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12455 
12456 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12457 }
12458 
12459 void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12460 {
12461 	struct bnx2x *bp = params->bp;
12462 	u8 val = en * 0x1F;
12463 
12464 	/* Open / close the gate between the NIG and the BRB */
12465 	if (!CHIP_IS_E1x(bp))
12466 		val |= en * 0x20;
12467 	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12468 
12469 	if (!CHIP_IS_E1(bp)) {
12470 		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12471 		       en*0x3);
12472 	}
12473 
12474 	REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12475 		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
12476 }
12477 static int bnx2x_avoid_link_flap(struct link_params *params,
12478 					    struct link_vars *vars)
12479 {
12480 	u32 phy_idx;
12481 	u32 dont_clear_stat, lfa_sts;
12482 	struct bnx2x *bp = params->bp;
12483 
12484 	bnx2x_set_mdio_emac_per_phy(bp, params);
12485 	/* Sync the link parameters */
12486 	bnx2x_link_status_update(params, vars);
12487 
12488 	/*
12489 	 * The module verification was already done by previous link owner,
12490 	 * so this call is meant only to get warning message
12491 	 */
12492 
12493 	for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12494 		struct bnx2x_phy *phy = &params->phy[phy_idx];
12495 		if (phy->phy_specific_func) {
12496 			DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12497 			phy->phy_specific_func(phy, params, PHY_INIT);
12498 		}
12499 		if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12500 		    (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12501 		    (phy->media_type == ETH_PHY_DA_TWINAX))
12502 			bnx2x_verify_sfp_module(phy, params);
12503 	}
12504 	lfa_sts = REG_RD(bp, params->lfa_base +
12505 			 offsetof(struct shmem_lfa,
12506 				  lfa_sts));
12507 
12508 	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12509 
12510 	/* Re-enable the NIG/MAC */
12511 	if (CHIP_IS_E3(bp)) {
12512 		if (!dont_clear_stat) {
12513 			REG_WR(bp, GRCBASE_MISC +
12514 			       MISC_REGISTERS_RESET_REG_2_CLEAR,
12515 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12516 				params->port));
12517 			REG_WR(bp, GRCBASE_MISC +
12518 			       MISC_REGISTERS_RESET_REG_2_SET,
12519 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12520 				params->port));
12521 		}
12522 		if (vars->line_speed < SPEED_10000)
12523 			bnx2x_umac_enable(params, vars, 0);
12524 		else
12525 			bnx2x_xmac_enable(params, vars, 0);
12526 	} else {
12527 		if (vars->line_speed < SPEED_10000)
12528 			bnx2x_emac_enable(params, vars, 0);
12529 		else
12530 			bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12531 	}
12532 
12533 	/* Increment LFA count */
12534 	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12535 		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12536 		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12537 		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12538 	/* Clear link flap reason */
12539 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12540 
12541 	REG_WR(bp, params->lfa_base +
12542 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12543 
12544 	/* Disable NIG DRAIN */
12545 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12546 
12547 	/* Enable interrupts */
12548 	bnx2x_link_int_enable(params);
12549 	return 0;
12550 }
12551 
12552 static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12553 					 struct link_vars *vars,
12554 					 int lfa_status)
12555 {
12556 	u32 lfa_sts, cfg_idx, tmp_val;
12557 	struct bnx2x *bp = params->bp;
12558 
12559 	bnx2x_link_reset(params, vars, 1);
12560 
12561 	if (!params->lfa_base)
12562 		return;
12563 	/* Store the new link parameters */
12564 	REG_WR(bp, params->lfa_base +
12565 	       offsetof(struct shmem_lfa, req_duplex),
12566 	       params->req_duplex[0] | (params->req_duplex[1] << 16));
12567 
12568 	REG_WR(bp, params->lfa_base +
12569 	       offsetof(struct shmem_lfa, req_flow_ctrl),
12570 	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12571 
12572 	REG_WR(bp, params->lfa_base +
12573 	       offsetof(struct shmem_lfa, req_line_speed),
12574 	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12575 
12576 	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12577 		REG_WR(bp, params->lfa_base +
12578 		       offsetof(struct shmem_lfa,
12579 				speed_cap_mask[cfg_idx]),
12580 		       params->speed_cap_mask[cfg_idx]);
12581 	}
12582 
12583 	tmp_val = REG_RD(bp, params->lfa_base +
12584 			 offsetof(struct shmem_lfa, additional_config));
12585 	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12586 	tmp_val |= params->req_fc_auto_adv;
12587 
12588 	REG_WR(bp, params->lfa_base +
12589 	       offsetof(struct shmem_lfa, additional_config), tmp_val);
12590 
12591 	lfa_sts = REG_RD(bp, params->lfa_base +
12592 			 offsetof(struct shmem_lfa, lfa_sts));
12593 
12594 	/* Clear the "Don't Clear Statistics" bit, and set reason */
12595 	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12596 
12597 	/* Set link flap reason */
12598 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12599 	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12600 		    LFA_LINK_FLAP_REASON_OFFSET);
12601 
12602 	/* Increment link flap counter */
12603 	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12604 		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12605 		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12606 		    << LINK_FLAP_COUNT_OFFSET));
12607 	REG_WR(bp, params->lfa_base +
12608 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12609 	/* Proceed with regular link initialization */
12610 }
12611 
12612 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12613 {
12614 	int lfa_status;
12615 	struct bnx2x *bp = params->bp;
12616 	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12617 	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12618 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
12619 	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12620 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
12621 	DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12622 	vars->link_status = 0;
12623 	vars->phy_link_up = 0;
12624 	vars->link_up = 0;
12625 	vars->line_speed = 0;
12626 	vars->duplex = DUPLEX_FULL;
12627 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12628 	vars->mac_type = MAC_TYPE_NONE;
12629 	vars->phy_flags = 0;
12630 	vars->check_kr2_recovery_cnt = 0;
12631 	params->link_flags = PHY_INITIALIZED;
12632 	/* Driver opens NIG-BRB filters */
12633 	bnx2x_set_rx_filter(params, 1);
12634 	/* Check if link flap can be avoided */
12635 	lfa_status = bnx2x_check_lfa(params);
12636 
12637 	if (lfa_status == 0) {
12638 		DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12639 		return bnx2x_avoid_link_flap(params, vars);
12640 	}
12641 
12642 	DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12643 		       lfa_status);
12644 	bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12645 
12646 	/* Disable attentions */
12647 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12648 		       (NIG_MASK_XGXS0_LINK_STATUS |
12649 			NIG_MASK_XGXS0_LINK10G |
12650 			NIG_MASK_SERDES0_LINK_STATUS |
12651 			NIG_MASK_MI_INT));
12652 
12653 	bnx2x_emac_init(params, vars);
12654 
12655 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12656 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
12657 
12658 	if (params->num_phys == 0) {
12659 		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12660 		return -EINVAL;
12661 	}
12662 	set_phy_vars(params, vars);
12663 
12664 	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12665 	switch (params->loopback_mode) {
12666 	case LOOPBACK_BMAC:
12667 		bnx2x_init_bmac_loopback(params, vars);
12668 		break;
12669 	case LOOPBACK_EMAC:
12670 		bnx2x_init_emac_loopback(params, vars);
12671 		break;
12672 	case LOOPBACK_XMAC:
12673 		bnx2x_init_xmac_loopback(params, vars);
12674 		break;
12675 	case LOOPBACK_UMAC:
12676 		bnx2x_init_umac_loopback(params, vars);
12677 		break;
12678 	case LOOPBACK_XGXS:
12679 	case LOOPBACK_EXT_PHY:
12680 		bnx2x_init_xgxs_loopback(params, vars);
12681 		break;
12682 	default:
12683 		if (!CHIP_IS_E3(bp)) {
12684 			if (params->switch_cfg == SWITCH_CFG_10G)
12685 				bnx2x_xgxs_deassert(params);
12686 			else
12687 				bnx2x_serdes_deassert(bp, params->port);
12688 		}
12689 		bnx2x_link_initialize(params, vars);
12690 		msleep(30);
12691 		bnx2x_link_int_enable(params);
12692 		break;
12693 	}
12694 	bnx2x_update_mng(params, vars->link_status);
12695 
12696 	bnx2x_update_mng_eee(params, vars->eee_status);
12697 	return 0;
12698 }
12699 
12700 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12701 		     u8 reset_ext_phy)
12702 {
12703 	struct bnx2x *bp = params->bp;
12704 	u8 phy_index, port = params->port, clear_latch_ind = 0;
12705 	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12706 	/* Disable attentions */
12707 	vars->link_status = 0;
12708 	bnx2x_update_mng(params, vars->link_status);
12709 	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12710 			      SHMEM_EEE_ACTIVE_BIT);
12711 	bnx2x_update_mng_eee(params, vars->eee_status);
12712 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12713 		       (NIG_MASK_XGXS0_LINK_STATUS |
12714 			NIG_MASK_XGXS0_LINK10G |
12715 			NIG_MASK_SERDES0_LINK_STATUS |
12716 			NIG_MASK_MI_INT));
12717 
12718 	/* Activate nig drain */
12719 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12720 
12721 	/* Disable nig egress interface */
12722 	if (!CHIP_IS_E3(bp)) {
12723 		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12724 		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12725 	}
12726 
12727 		if (!CHIP_IS_E3(bp)) {
12728 			bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12729 		} else {
12730 			bnx2x_set_xmac_rxtx(params, 0);
12731 			bnx2x_set_umac_rxtx(params, 0);
12732 		}
12733 	/* Disable emac */
12734 	if (!CHIP_IS_E3(bp))
12735 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12736 
12737 	usleep_range(10000, 20000);
12738 	/* The PHY reset is controlled by GPIO 1
12739 	 * Hold it as vars low
12740 	 */
12741 	 /* Clear link led */
12742 	bnx2x_set_mdio_emac_per_phy(bp, params);
12743 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12744 
12745 	if (reset_ext_phy) {
12746 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12747 		      phy_index++) {
12748 			if (params->phy[phy_index].link_reset) {
12749 				bnx2x_set_aer_mmd(params,
12750 						  &params->phy[phy_index]);
12751 				params->phy[phy_index].link_reset(
12752 					&params->phy[phy_index],
12753 					params);
12754 			}
12755 			if (params->phy[phy_index].flags &
12756 			    FLAGS_REARM_LATCH_SIGNAL)
12757 				clear_latch_ind = 1;
12758 		}
12759 	}
12760 
12761 	if (clear_latch_ind) {
12762 		/* Clear latching indication */
12763 		bnx2x_rearm_latch_signal(bp, port, 0);
12764 		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12765 			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
12766 	}
12767 	if (params->phy[INT_PHY].link_reset)
12768 		params->phy[INT_PHY].link_reset(
12769 			&params->phy[INT_PHY], params);
12770 
12771 	/* Disable nig ingress interface */
12772 	if (!CHIP_IS_E3(bp)) {
12773 		/* Reset BigMac */
12774 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12775 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12776 		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12777 		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12778 	} else {
12779 		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12780 		bnx2x_set_xumac_nig(params, 0, 0);
12781 		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12782 		    MISC_REGISTERS_RESET_REG_2_XMAC)
12783 			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12784 			       XMAC_CTRL_REG_SOFT_RESET);
12785 	}
12786 	vars->link_up = 0;
12787 	vars->phy_flags = 0;
12788 	return 0;
12789 }
12790 int bnx2x_lfa_reset(struct link_params *params,
12791 			       struct link_vars *vars)
12792 {
12793 	struct bnx2x *bp = params->bp;
12794 	vars->link_up = 0;
12795 	vars->phy_flags = 0;
12796 	params->link_flags &= ~PHY_INITIALIZED;
12797 	if (!params->lfa_base)
12798 		return bnx2x_link_reset(params, vars, 1);
12799 	/*
12800 	 * Activate NIG drain so that during this time the device won't send
12801 	 * anything while it is unable to response.
12802 	 */
12803 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12804 
12805 	/*
12806 	 * Close gracefully the gate from BMAC to NIG such that no half packets
12807 	 * are passed.
12808 	 */
12809 	if (!CHIP_IS_E3(bp))
12810 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12811 
12812 	if (CHIP_IS_E3(bp)) {
12813 		bnx2x_set_xmac_rxtx(params, 0);
12814 		bnx2x_set_umac_rxtx(params, 0);
12815 	}
12816 	/* Wait 10ms for the pipe to clean up*/
12817 	usleep_range(10000, 20000);
12818 
12819 	/* Clean the NIG-BRB using the network filters in a way that will
12820 	 * not cut a packet in the middle.
12821 	 */
12822 	bnx2x_set_rx_filter(params, 0);
12823 
12824 	/*
12825 	 * Re-open the gate between the BMAC and the NIG, after verifying the
12826 	 * gate to the BRB is closed, otherwise packets may arrive to the
12827 	 * firmware before driver had initialized it. The target is to achieve
12828 	 * minimum management protocol down time.
12829 	 */
12830 	if (!CHIP_IS_E3(bp))
12831 		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12832 
12833 	if (CHIP_IS_E3(bp)) {
12834 		bnx2x_set_xmac_rxtx(params, 1);
12835 		bnx2x_set_umac_rxtx(params, 1);
12836 	}
12837 	/* Disable NIG drain */
12838 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12839 	return 0;
12840 }
12841 
12842 /****************************************************************************/
12843 /*				Common function				    */
12844 /****************************************************************************/
12845 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12846 				      u32 shmem_base_path[],
12847 				      u32 shmem2_base_path[], u8 phy_index,
12848 				      u32 chip_id)
12849 {
12850 	struct bnx2x_phy phy[PORT_MAX];
12851 	struct bnx2x_phy *phy_blk[PORT_MAX];
12852 	u16 val;
12853 	s8 port = 0;
12854 	s8 port_of_path = 0;
12855 	u32 swap_val, swap_override;
12856 	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
12857 	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
12858 	port ^= (swap_val && swap_override);
12859 	bnx2x_ext_phy_hw_reset(bp, port);
12860 	/* PART1 - Reset both phys */
12861 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12862 		u32 shmem_base, shmem2_base;
12863 		/* In E2, same phy is using for port0 of the two paths */
12864 		if (CHIP_IS_E1x(bp)) {
12865 			shmem_base = shmem_base_path[0];
12866 			shmem2_base = shmem2_base_path[0];
12867 			port_of_path = port;
12868 		} else {
12869 			shmem_base = shmem_base_path[port];
12870 			shmem2_base = shmem2_base_path[port];
12871 			port_of_path = 0;
12872 		}
12873 
12874 		/* Extract the ext phy address for the port */
12875 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12876 				       port_of_path, &phy[port]) !=
12877 		    0) {
12878 			DP(NETIF_MSG_LINK, "populate_phy failed\n");
12879 			return -EINVAL;
12880 		}
12881 		/* Disable attentions */
12882 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12883 			       port_of_path*4,
12884 			       (NIG_MASK_XGXS0_LINK_STATUS |
12885 				NIG_MASK_XGXS0_LINK10G |
12886 				NIG_MASK_SERDES0_LINK_STATUS |
12887 				NIG_MASK_MI_INT));
12888 
12889 		/* Need to take the phy out of low power mode in order
12890 		 * to write to access its registers
12891 		 */
12892 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12893 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12894 			       port);
12895 
12896 		/* Reset the phy */
12897 		bnx2x_cl45_write(bp, &phy[port],
12898 				 MDIO_PMA_DEVAD,
12899 				 MDIO_PMA_REG_CTRL,
12900 				 1<<15);
12901 	}
12902 
12903 	/* Add delay of 150ms after reset */
12904 	msleep(150);
12905 
12906 	if (phy[PORT_0].addr & 0x1) {
12907 		phy_blk[PORT_0] = &(phy[PORT_1]);
12908 		phy_blk[PORT_1] = &(phy[PORT_0]);
12909 	} else {
12910 		phy_blk[PORT_0] = &(phy[PORT_0]);
12911 		phy_blk[PORT_1] = &(phy[PORT_1]);
12912 	}
12913 
12914 	/* PART2 - Download firmware to both phys */
12915 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12916 		if (CHIP_IS_E1x(bp))
12917 			port_of_path = port;
12918 		else
12919 			port_of_path = 0;
12920 
12921 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12922 			   phy_blk[port]->addr);
12923 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12924 						      port_of_path))
12925 			return -EINVAL;
12926 
12927 		/* Only set bit 10 = 1 (Tx power down) */
12928 		bnx2x_cl45_read(bp, phy_blk[port],
12929 				MDIO_PMA_DEVAD,
12930 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12931 
12932 		/* Phase1 of TX_POWER_DOWN reset */
12933 		bnx2x_cl45_write(bp, phy_blk[port],
12934 				 MDIO_PMA_DEVAD,
12935 				 MDIO_PMA_REG_TX_POWER_DOWN,
12936 				 (val | 1<<10));
12937 	}
12938 
12939 	/* Toggle Transmitter: Power down and then up with 600ms delay
12940 	 * between
12941 	 */
12942 	msleep(600);
12943 
12944 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12945 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12946 		/* Phase2 of POWER_DOWN_RESET */
12947 		/* Release bit 10 (Release Tx power down) */
12948 		bnx2x_cl45_read(bp, phy_blk[port],
12949 				MDIO_PMA_DEVAD,
12950 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12951 
12952 		bnx2x_cl45_write(bp, phy_blk[port],
12953 				MDIO_PMA_DEVAD,
12954 				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12955 		usleep_range(15000, 30000);
12956 
12957 		/* Read modify write the SPI-ROM version select register */
12958 		bnx2x_cl45_read(bp, phy_blk[port],
12959 				MDIO_PMA_DEVAD,
12960 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12961 		bnx2x_cl45_write(bp, phy_blk[port],
12962 				 MDIO_PMA_DEVAD,
12963 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12964 
12965 		/* set GPIO2 back to LOW */
12966 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12967 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12968 	}
12969 	return 0;
12970 }
12971 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12972 				      u32 shmem_base_path[],
12973 				      u32 shmem2_base_path[], u8 phy_index,
12974 				      u32 chip_id)
12975 {
12976 	u32 val;
12977 	s8 port;
12978 	struct bnx2x_phy phy;
12979 	/* Use port1 because of the static port-swap */
12980 	/* Enable the module detection interrupt */
12981 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12982 	val |= ((1<<MISC_REGISTERS_GPIO_3)|
12983 		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12984 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12985 
12986 	bnx2x_ext_phy_hw_reset(bp, 0);
12987 	usleep_range(5000, 10000);
12988 	for (port = 0; port < PORT_MAX; port++) {
12989 		u32 shmem_base, shmem2_base;
12990 
12991 		/* In E2, same phy is using for port0 of the two paths */
12992 		if (CHIP_IS_E1x(bp)) {
12993 			shmem_base = shmem_base_path[0];
12994 			shmem2_base = shmem2_base_path[0];
12995 		} else {
12996 			shmem_base = shmem_base_path[port];
12997 			shmem2_base = shmem2_base_path[port];
12998 		}
12999 		/* Extract the ext phy address for the port */
13000 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13001 				       port, &phy) !=
13002 		    0) {
13003 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13004 			return -EINVAL;
13005 		}
13006 
13007 		/* Reset phy*/
13008 		bnx2x_cl45_write(bp, &phy,
13009 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13010 
13011 
13012 		/* Set fault module detected LED on */
13013 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13014 			       MISC_REGISTERS_GPIO_HIGH,
13015 			       port);
13016 	}
13017 
13018 	return 0;
13019 }
13020 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13021 					 u8 *io_gpio, u8 *io_port)
13022 {
13023 
13024 	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13025 					  offsetof(struct shmem_region,
13026 				dev_info.port_hw_config[PORT_0].default_cfg));
13027 	switch (phy_gpio_reset) {
13028 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13029 		*io_gpio = 0;
13030 		*io_port = 0;
13031 		break;
13032 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13033 		*io_gpio = 1;
13034 		*io_port = 0;
13035 		break;
13036 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13037 		*io_gpio = 2;
13038 		*io_port = 0;
13039 		break;
13040 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13041 		*io_gpio = 3;
13042 		*io_port = 0;
13043 		break;
13044 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13045 		*io_gpio = 0;
13046 		*io_port = 1;
13047 		break;
13048 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13049 		*io_gpio = 1;
13050 		*io_port = 1;
13051 		break;
13052 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13053 		*io_gpio = 2;
13054 		*io_port = 1;
13055 		break;
13056 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13057 		*io_gpio = 3;
13058 		*io_port = 1;
13059 		break;
13060 	default:
13061 		/* Don't override the io_gpio and io_port */
13062 		break;
13063 	}
13064 }
13065 
13066 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13067 				      u32 shmem_base_path[],
13068 				      u32 shmem2_base_path[], u8 phy_index,
13069 				      u32 chip_id)
13070 {
13071 	s8 port, reset_gpio;
13072 	u32 swap_val, swap_override;
13073 	struct bnx2x_phy phy[PORT_MAX];
13074 	struct bnx2x_phy *phy_blk[PORT_MAX];
13075 	s8 port_of_path;
13076 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13077 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13078 
13079 	reset_gpio = MISC_REGISTERS_GPIO_1;
13080 	port = 1;
13081 
13082 	/* Retrieve the reset gpio/port which control the reset.
13083 	 * Default is GPIO1, PORT1
13084 	 */
13085 	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13086 				     (u8 *)&reset_gpio, (u8 *)&port);
13087 
13088 	/* Calculate the port based on port swap */
13089 	port ^= (swap_val && swap_override);
13090 
13091 	/* Initiate PHY reset*/
13092 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13093 		       port);
13094 	usleep_range(1000, 2000);
13095 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13096 		       port);
13097 
13098 	usleep_range(5000, 10000);
13099 
13100 	/* PART1 - Reset both phys */
13101 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13102 		u32 shmem_base, shmem2_base;
13103 
13104 		/* In E2, same phy is using for port0 of the two paths */
13105 		if (CHIP_IS_E1x(bp)) {
13106 			shmem_base = shmem_base_path[0];
13107 			shmem2_base = shmem2_base_path[0];
13108 			port_of_path = port;
13109 		} else {
13110 			shmem_base = shmem_base_path[port];
13111 			shmem2_base = shmem2_base_path[port];
13112 			port_of_path = 0;
13113 		}
13114 
13115 		/* Extract the ext phy address for the port */
13116 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13117 				       port_of_path, &phy[port]) !=
13118 				       0) {
13119 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13120 			return -EINVAL;
13121 		}
13122 		/* disable attentions */
13123 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13124 			       port_of_path*4,
13125 			       (NIG_MASK_XGXS0_LINK_STATUS |
13126 				NIG_MASK_XGXS0_LINK10G |
13127 				NIG_MASK_SERDES0_LINK_STATUS |
13128 				NIG_MASK_MI_INT));
13129 
13130 
13131 		/* Reset the phy */
13132 		bnx2x_cl45_write(bp, &phy[port],
13133 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13134 	}
13135 
13136 	/* Add delay of 150ms after reset */
13137 	msleep(150);
13138 	if (phy[PORT_0].addr & 0x1) {
13139 		phy_blk[PORT_0] = &(phy[PORT_1]);
13140 		phy_blk[PORT_1] = &(phy[PORT_0]);
13141 	} else {
13142 		phy_blk[PORT_0] = &(phy[PORT_0]);
13143 		phy_blk[PORT_1] = &(phy[PORT_1]);
13144 	}
13145 	/* PART2 - Download firmware to both phys */
13146 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13147 		if (CHIP_IS_E1x(bp))
13148 			port_of_path = port;
13149 		else
13150 			port_of_path = 0;
13151 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13152 			   phy_blk[port]->addr);
13153 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13154 						      port_of_path))
13155 			return -EINVAL;
13156 		/* Disable PHY transmitter output */
13157 		bnx2x_cl45_write(bp, phy_blk[port],
13158 				 MDIO_PMA_DEVAD,
13159 				 MDIO_PMA_REG_TX_DISABLE, 1);
13160 
13161 	}
13162 	return 0;
13163 }
13164 
13165 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13166 						u32 shmem_base_path[],
13167 						u32 shmem2_base_path[],
13168 						u8 phy_index,
13169 						u32 chip_id)
13170 {
13171 	u8 reset_gpios;
13172 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13173 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13174 	udelay(10);
13175 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13176 	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13177 		reset_gpios);
13178 	return 0;
13179 }
13180 
13181 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13182 				     u32 shmem2_base_path[], u8 phy_index,
13183 				     u32 ext_phy_type, u32 chip_id)
13184 {
13185 	int rc = 0;
13186 
13187 	switch (ext_phy_type) {
13188 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13189 		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13190 						shmem2_base_path,
13191 						phy_index, chip_id);
13192 		break;
13193 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13194 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13195 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13196 		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13197 						shmem2_base_path,
13198 						phy_index, chip_id);
13199 		break;
13200 
13201 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13202 		/* GPIO1 affects both ports, so there's need to pull
13203 		 * it for single port alone
13204 		 */
13205 		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13206 						shmem2_base_path,
13207 						phy_index, chip_id);
13208 		break;
13209 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13210 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13211 		/* GPIO3's are linked, and so both need to be toggled
13212 		 * to obtain required 2us pulse.
13213 		 */
13214 		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13215 						shmem2_base_path,
13216 						phy_index, chip_id);
13217 		break;
13218 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13219 		rc = -EINVAL;
13220 		break;
13221 	default:
13222 		DP(NETIF_MSG_LINK,
13223 			   "ext_phy 0x%x common init not required\n",
13224 			   ext_phy_type);
13225 		break;
13226 	}
13227 
13228 	if (rc)
13229 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
13230 				      " Port %d\n",
13231 			 0);
13232 	return rc;
13233 }
13234 
13235 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13236 			  u32 shmem2_base_path[], u32 chip_id)
13237 {
13238 	int rc = 0;
13239 	u32 phy_ver, val;
13240 	u8 phy_index = 0;
13241 	u32 ext_phy_type, ext_phy_config;
13242 
13243 	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13244 	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13245 	DP(NETIF_MSG_LINK, "Begin common phy init\n");
13246 	if (CHIP_IS_E3(bp)) {
13247 		/* Enable EPIO */
13248 		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13249 		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13250 	}
13251 	/* Check if common init was already done */
13252 	phy_ver = REG_RD(bp, shmem_base_path[0] +
13253 			 offsetof(struct shmem_region,
13254 				  port_mb[PORT_0].ext_phy_fw_version));
13255 	if (phy_ver) {
13256 		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13257 			       phy_ver);
13258 		return 0;
13259 	}
13260 
13261 	/* Read the ext_phy_type for arbitrary port(0) */
13262 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13263 	      phy_index++) {
13264 		ext_phy_config = bnx2x_get_ext_phy_config(bp,
13265 							  shmem_base_path[0],
13266 							  phy_index, 0);
13267 		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13268 		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13269 						shmem2_base_path,
13270 						phy_index, ext_phy_type,
13271 						chip_id);
13272 	}
13273 	return rc;
13274 }
13275 
13276 static void bnx2x_check_over_curr(struct link_params *params,
13277 				  struct link_vars *vars)
13278 {
13279 	struct bnx2x *bp = params->bp;
13280 	u32 cfg_pin;
13281 	u8 port = params->port;
13282 	u32 pin_val;
13283 
13284 	cfg_pin = (REG_RD(bp, params->shmem_base +
13285 			  offsetof(struct shmem_region,
13286 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13287 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13288 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13289 
13290 	/* Ignore check if no external input PIN available */
13291 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13292 		return;
13293 
13294 	if (!pin_val) {
13295 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13296 			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
13297 					    " been detected and the power to "
13298 					    "that SFP+ module has been removed"
13299 					    " to prevent failure of the card."
13300 					    " Please remove the SFP+ module and"
13301 					    " restart the system to clear this"
13302 					    " error.\n",
13303 			 params->port);
13304 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13305 			bnx2x_warpcore_power_module(params, 0);
13306 		}
13307 	} else
13308 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13309 }
13310 
13311 /* Returns 0 if no change occured since last check; 1 otherwise. */
13312 static u8 bnx2x_analyze_link_error(struct link_params *params,
13313 				    struct link_vars *vars, u32 status,
13314 				    u32 phy_flag, u32 link_flag, u8 notify)
13315 {
13316 	struct bnx2x *bp = params->bp;
13317 	/* Compare new value with previous value */
13318 	u8 led_mode;
13319 	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13320 
13321 	if ((status ^ old_status) == 0)
13322 		return 0;
13323 
13324 	/* If values differ */
13325 	switch (phy_flag) {
13326 	case PHY_HALF_OPEN_CONN_FLAG:
13327 		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13328 		break;
13329 	case PHY_SFP_TX_FAULT_FLAG:
13330 		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13331 		break;
13332 	default:
13333 		DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13334 	}
13335 	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13336 	   old_status, status);
13337 
13338 	/* Do not touch the link in case physical link down */
13339 	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13340 		return 1;
13341 
13342 	/* a. Update shmem->link_status accordingly
13343 	 * b. Update link_vars->link_up
13344 	 */
13345 	if (status) {
13346 		vars->link_status &= ~LINK_STATUS_LINK_UP;
13347 		vars->link_status |= link_flag;
13348 		vars->link_up = 0;
13349 		vars->phy_flags |= phy_flag;
13350 
13351 		/* activate nig drain */
13352 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13353 		/* Set LED mode to off since the PHY doesn't know about these
13354 		 * errors
13355 		 */
13356 		led_mode = LED_MODE_OFF;
13357 	} else {
13358 		vars->link_status |= LINK_STATUS_LINK_UP;
13359 		vars->link_status &= ~link_flag;
13360 		vars->link_up = 1;
13361 		vars->phy_flags &= ~phy_flag;
13362 		led_mode = LED_MODE_OPER;
13363 
13364 		/* Clear nig drain */
13365 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13366 	}
13367 	bnx2x_sync_link(params, vars);
13368 	/* Update the LED according to the link state */
13369 	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13370 
13371 	/* Update link status in the shared memory */
13372 	bnx2x_update_mng(params, vars->link_status);
13373 
13374 	/* C. Trigger General Attention */
13375 	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13376 	if (notify)
13377 		bnx2x_notify_link_changed(bp);
13378 
13379 	return 1;
13380 }
13381 
13382 /******************************************************************************
13383 * Description:
13384 *	This function checks for half opened connection change indication.
13385 *	When such change occurs, it calls the bnx2x_analyze_link_error
13386 *	to check if Remote Fault is set or cleared. Reception of remote fault
13387 *	status message in the MAC indicates that the peer's MAC has detected
13388 *	a fault, for example, due to break in the TX side of fiber.
13389 *
13390 ******************************************************************************/
13391 static int bnx2x_check_half_open_conn(struct link_params *params,
13392 				      struct link_vars *vars,
13393 				      u8 notify)
13394 {
13395 	struct bnx2x *bp = params->bp;
13396 	u32 lss_status = 0;
13397 	u32 mac_base;
13398 	/* In case link status is physically up @ 10G do */
13399 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13400 	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13401 		return 0;
13402 
13403 	if (CHIP_IS_E3(bp) &&
13404 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
13405 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13406 		/* Check E3 XMAC */
13407 		/* Note that link speed cannot be queried here, since it may be
13408 		 * zero while link is down. In case UMAC is active, LSS will
13409 		 * simply not be set
13410 		 */
13411 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13412 
13413 		/* Clear stick bits (Requires rising edge) */
13414 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13415 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13416 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13417 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13418 		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13419 			lss_status = 1;
13420 
13421 		bnx2x_analyze_link_error(params, vars, lss_status,
13422 					 PHY_HALF_OPEN_CONN_FLAG,
13423 					 LINK_STATUS_NONE, notify);
13424 	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13425 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13426 		/* Check E1X / E2 BMAC */
13427 		u32 lss_status_reg;
13428 		u32 wb_data[2];
13429 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13430 			NIG_REG_INGRESS_BMAC0_MEM;
13431 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13432 		if (CHIP_IS_E2(bp))
13433 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13434 		else
13435 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13436 
13437 		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13438 		lss_status = (wb_data[0] > 0);
13439 
13440 		bnx2x_analyze_link_error(params, vars, lss_status,
13441 					 PHY_HALF_OPEN_CONN_FLAG,
13442 					 LINK_STATUS_NONE, notify);
13443 	}
13444 	return 0;
13445 }
13446 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13447 					 struct link_params *params,
13448 					 struct link_vars *vars)
13449 {
13450 	struct bnx2x *bp = params->bp;
13451 	u32 cfg_pin, value = 0;
13452 	u8 led_change, port = params->port;
13453 
13454 	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13455 	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13456 			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13457 		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13458 		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13459 
13460 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13461 		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13462 		return;
13463 	}
13464 
13465 	led_change = bnx2x_analyze_link_error(params, vars, value,
13466 					      PHY_SFP_TX_FAULT_FLAG,
13467 					      LINK_STATUS_SFP_TX_FAULT, 1);
13468 
13469 	if (led_change) {
13470 		/* Change TX_Fault led, set link status for further syncs */
13471 		u8 led_mode;
13472 
13473 		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13474 			led_mode = MISC_REGISTERS_GPIO_HIGH;
13475 			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13476 		} else {
13477 			led_mode = MISC_REGISTERS_GPIO_LOW;
13478 			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13479 		}
13480 
13481 		/* If module is unapproved, led should be on regardless */
13482 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13483 			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13484 			   led_mode);
13485 			bnx2x_set_e3_module_fault_led(params, led_mode);
13486 		}
13487 	}
13488 }
13489 static void bnx2x_kr2_recovery(struct link_params *params,
13490 			       struct link_vars *vars,
13491 			       struct bnx2x_phy *phy)
13492 {
13493 	struct bnx2x *bp = params->bp;
13494 	DP(NETIF_MSG_LINK, "KR2 recovery\n");
13495 	bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13496 	bnx2x_warpcore_restart_AN_KR(phy, params);
13497 }
13498 
13499 static void bnx2x_check_kr2_wa(struct link_params *params,
13500 			       struct link_vars *vars,
13501 			       struct bnx2x_phy *phy)
13502 {
13503 	struct bnx2x *bp = params->bp;
13504 	u16 base_page, next_page, not_kr2_device, lane;
13505 	int sigdet;
13506 
13507 	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13508 	 * Since some switches tend to reinit the AN process and clear the
13509 	 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13510 	 * and recovered many times
13511 	 */
13512 	if (vars->check_kr2_recovery_cnt > 0) {
13513 		vars->check_kr2_recovery_cnt--;
13514 		return;
13515 	}
13516 
13517 	sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13518 	if (!sigdet) {
13519 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13520 			bnx2x_kr2_recovery(params, vars, phy);
13521 			DP(NETIF_MSG_LINK, "No sigdet\n");
13522 		}
13523 		return;
13524 	}
13525 
13526 	lane = bnx2x_get_warpcore_lane(phy, params);
13527 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13528 			  MDIO_AER_BLOCK_AER_REG, lane);
13529 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13530 			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13531 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13532 			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13533 	bnx2x_set_aer_mmd(params, phy);
13534 
13535 	/* CL73 has not begun yet */
13536 	if (base_page == 0) {
13537 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13538 			bnx2x_kr2_recovery(params, vars, phy);
13539 			DP(NETIF_MSG_LINK, "No BP\n");
13540 		}
13541 		return;
13542 	}
13543 
13544 	/* In case NP bit is not set in the BasePage, or it is set,
13545 	 * but only KX is advertised, declare this link partner as non-KR2
13546 	 * device.
13547 	 */
13548 	not_kr2_device = (((base_page & 0x8000) == 0) ||
13549 			  (((base_page & 0x8000) &&
13550 			    ((next_page & 0xe0) == 0x20))));
13551 
13552 	/* In case KR2 is already disabled, check if we need to re-enable it */
13553 	if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13554 		if (!not_kr2_device) {
13555 			DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13556 			   next_page);
13557 			bnx2x_kr2_recovery(params, vars, phy);
13558 		}
13559 		return;
13560 	}
13561 	/* KR2 is enabled, but not KR2 device */
13562 	if (not_kr2_device) {
13563 		/* Disable KR2 on both lanes */
13564 		DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13565 		bnx2x_disable_kr2(params, vars, phy);
13566 		/* Restart AN on leading lane */
13567 		bnx2x_warpcore_restart_AN_KR(phy, params);
13568 		return;
13569 	}
13570 }
13571 
13572 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13573 {
13574 	u16 phy_idx;
13575 	struct bnx2x *bp = params->bp;
13576 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13577 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13578 			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13579 			if (bnx2x_check_half_open_conn(params, vars, 1) !=
13580 			    0)
13581 				DP(NETIF_MSG_LINK, "Fault detection failed\n");
13582 			break;
13583 		}
13584 	}
13585 
13586 	if (CHIP_IS_E3(bp)) {
13587 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
13588 		bnx2x_set_aer_mmd(params, phy);
13589 		if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13590 		    (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
13591 			bnx2x_check_kr2_wa(params, vars, phy);
13592 		bnx2x_check_over_curr(params, vars);
13593 		if (vars->rx_tx_asic_rst)
13594 			bnx2x_warpcore_config_runtime(phy, params, vars);
13595 
13596 		if ((REG_RD(bp, params->shmem_base +
13597 			    offsetof(struct shmem_region, dev_info.
13598 				port_hw_config[params->port].default_cfg))
13599 		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13600 		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
13601 			if (bnx2x_is_sfp_module_plugged(phy, params)) {
13602 				bnx2x_sfp_tx_fault_detection(phy, params, vars);
13603 			} else if (vars->link_status &
13604 				LINK_STATUS_SFP_TX_FAULT) {
13605 				/* Clean trail, interrupt corrects the leds */
13606 				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13607 				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13608 				/* Update link status in the shared memory */
13609 				bnx2x_update_mng(params, vars->link_status);
13610 			}
13611 		}
13612 	}
13613 }
13614 
13615 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13616 			     u32 shmem_base,
13617 			     u32 shmem2_base,
13618 			     u8 port)
13619 {
13620 	u8 phy_index, fan_failure_det_req = 0;
13621 	struct bnx2x_phy phy;
13622 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13623 	      phy_index++) {
13624 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13625 				       port, &phy)
13626 		    != 0) {
13627 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13628 			return 0;
13629 		}
13630 		fan_failure_det_req |= (phy.flags &
13631 					FLAGS_FAN_FAILURE_DET_REQ);
13632 	}
13633 	return fan_failure_det_req;
13634 }
13635 
13636 void bnx2x_hw_reset_phy(struct link_params *params)
13637 {
13638 	u8 phy_index;
13639 	struct bnx2x *bp = params->bp;
13640 	bnx2x_update_mng(params, 0);
13641 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13642 		       (NIG_MASK_XGXS0_LINK_STATUS |
13643 			NIG_MASK_XGXS0_LINK10G |
13644 			NIG_MASK_SERDES0_LINK_STATUS |
13645 			NIG_MASK_MI_INT));
13646 
13647 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13648 	      phy_index++) {
13649 		if (params->phy[phy_index].hw_reset) {
13650 			params->phy[phy_index].hw_reset(
13651 				&params->phy[phy_index],
13652 				params);
13653 			params->phy[phy_index] = phy_null;
13654 		}
13655 	}
13656 }
13657 
13658 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13659 			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
13660 			    u8 port)
13661 {
13662 	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13663 	u32 val;
13664 	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13665 	if (CHIP_IS_E3(bp)) {
13666 		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13667 					      shmem_base,
13668 					      port,
13669 					      &gpio_num,
13670 					      &gpio_port) != 0)
13671 			return;
13672 	} else {
13673 		struct bnx2x_phy phy;
13674 		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13675 		      phy_index++) {
13676 			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13677 					       shmem2_base, port, &phy)
13678 			    != 0) {
13679 				DP(NETIF_MSG_LINK, "populate phy failed\n");
13680 				return;
13681 			}
13682 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13683 				gpio_num = MISC_REGISTERS_GPIO_3;
13684 				gpio_port = port;
13685 				break;
13686 			}
13687 		}
13688 	}
13689 
13690 	if (gpio_num == 0xff)
13691 		return;
13692 
13693 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
13694 	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13695 
13696 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13697 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13698 	gpio_port ^= (swap_val && swap_override);
13699 
13700 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13701 		(gpio_num + (gpio_port << 2));
13702 
13703 	sync_offset = shmem_base +
13704 		offsetof(struct shmem_region,
13705 			 dev_info.port_hw_config[port].aeu_int_mask);
13706 	REG_WR(bp, sync_offset, vars->aeu_int_mask);
13707 
13708 	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13709 		       gpio_num, gpio_port, vars->aeu_int_mask);
13710 
13711 	if (port == 0)
13712 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13713 	else
13714 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13715 
13716 	/* Open appropriate AEU for interrupts */
13717 	aeu_mask = REG_RD(bp, offset);
13718 	aeu_mask |= vars->aeu_int_mask;
13719 	REG_WR(bp, offset, aeu_mask);
13720 
13721 	/* Enable the GPIO to trigger interrupt */
13722 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13723 	val |= 1 << (gpio_num + (gpio_port << 2));
13724 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13725 }
13726