1 /* Copyright 2008-2012 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 /********************************************************/
31 #define ETH_HLEN			14
32 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
33 #define ETH_OVREHEAD			(ETH_HLEN + 8 + 8)
34 #define ETH_MIN_PACKET_SIZE		60
35 #define ETH_MAX_PACKET_SIZE		1500
36 #define ETH_MAX_JUMBO_PACKET_SIZE	9600
37 #define MDIO_ACCESS_TIMEOUT		1000
38 #define WC_LANE_MAX			4
39 #define I2C_SWITCH_WIDTH		2
40 #define I2C_BSC0			0
41 #define I2C_BSC1			1
42 #define I2C_WA_RETRY_CNT		3
43 #define MCPR_IMC_COMMAND_READ_OP	1
44 #define MCPR_IMC_COMMAND_WRITE_OP	2
45 
46 /* LED Blink rate that will achieve ~15.9Hz */
47 #define LED_BLINK_RATE_VAL_E3		354
48 #define LED_BLINK_RATE_VAL_E1X_E2	480
49 /***********************************************************/
50 /*			Shortcut definitions		   */
51 /***********************************************************/
52 
53 #define NIG_LATCH_BC_ENABLE_MI_INT 0
54 
55 #define NIG_STATUS_EMAC0_MI_INT \
56 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
57 #define NIG_STATUS_XGXS0_LINK10G \
58 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
59 #define NIG_STATUS_XGXS0_LINK_STATUS \
60 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
61 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
62 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
63 #define NIG_STATUS_SERDES0_LINK_STATUS \
64 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
65 #define NIG_MASK_MI_INT \
66 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
67 #define NIG_MASK_XGXS0_LINK10G \
68 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
69 #define NIG_MASK_XGXS0_LINK_STATUS \
70 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
71 #define NIG_MASK_SERDES0_LINK_STATUS \
72 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
73 
74 #define MDIO_AN_CL73_OR_37_COMPLETE \
75 		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
76 		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
77 
78 #define XGXS_RESET_BITS \
79 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
80 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
81 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
82 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
83 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
84 
85 #define SERDES_RESET_BITS \
86 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
87 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
88 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
89 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
90 
91 #define AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
92 #define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
93 #define AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
94 #define AUTONEG_PARALLEL \
95 				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
96 #define AUTONEG_SGMII_FIBER_AUTODET \
97 				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
98 #define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
99 
100 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
101 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
102 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
103 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
104 #define GP_STATUS_SPEED_MASK \
105 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
106 #define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
107 #define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
108 #define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
109 #define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
110 #define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
111 #define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
112 #define GP_STATUS_10G_HIG \
113 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
114 #define GP_STATUS_10G_CX4 \
115 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
116 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
117 #define GP_STATUS_10G_KX4 \
118 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
119 #define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
120 #define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
121 #define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
122 #define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
123 #define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
124 #define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
125 #define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
126 #define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
127 #define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
128 #define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
129 #define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
130 #define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
131 #define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
132 #define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
133 #define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
134 #define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
135 #define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
136 #define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
137 #define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
138 
139 
140 
141 #define SFP_EEPROM_CON_TYPE_ADDR		0x2
142 	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
143 	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
144 
145 
146 #define SFP_EEPROM_COMP_CODE_ADDR		0x3
147 	#define SFP_EEPROM_COMP_CODE_SR_MASK	(1<<4)
148 	#define SFP_EEPROM_COMP_CODE_LR_MASK	(1<<5)
149 	#define SFP_EEPROM_COMP_CODE_LRM_MASK	(1<<6)
150 
151 #define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
152 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
153 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
154 
155 #define SFP_EEPROM_OPTIONS_ADDR			0x40
156 	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
157 #define SFP_EEPROM_OPTIONS_SIZE			2
158 
159 #define EDC_MODE_LINEAR				0x0022
160 #define EDC_MODE_LIMITING				0x0044
161 #define EDC_MODE_PASSIVE_DAC			0x0055
162 
163 /* BRB default for class 0 E2 */
164 #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR	170
165 #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR		250
166 #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR		10
167 #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR		50
168 
169 /* BRB thresholds for E2*/
170 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE		170
171 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE		0
172 
173 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE		250
174 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE		0
175 
176 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE		10
177 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE		90
178 
179 #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE			50
180 #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE		250
181 
182 /* BRB default for class 0 E3A0 */
183 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR	290
184 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR	410
185 #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR	10
186 #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR	50
187 
188 /* BRB thresholds for E3A0 */
189 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE		290
190 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE		0
191 
192 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE		410
193 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE		0
194 
195 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE		10
196 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE		170
197 
198 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE		50
199 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE		410
200 
201 /* BRB default for E3B0 */
202 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR	330
203 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR	490
204 #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR	15
205 #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR	55
206 
207 /* BRB thresholds for E3B0 2 port mode*/
208 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE		1025
209 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE	0
210 
211 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE		1025
212 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE	0
213 
214 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE		10
215 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE	1025
216 
217 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE		50
218 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE	1025
219 
220 /* only for E3B0*/
221 #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR			1025
222 #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR			1025
223 
224 /* Lossy +Lossless GUARANTIED == GUART */
225 #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART			284
226 /* Lossless +Lossless*/
227 #define PFC_E3B0_2P_PAUSE_LB_GUART			236
228 /* Lossy +Lossy*/
229 #define PFC_E3B0_2P_NON_PAUSE_LB_GUART			342
230 
231 /* Lossy +Lossless*/
232 #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART		284
233 /* Lossless +Lossless*/
234 #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART		236
235 /* Lossy +Lossy*/
236 #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART		336
237 #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST		80
238 
239 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART		0
240 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST		0
241 
242 /* BRB thresholds for E3B0 4 port mode */
243 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE		304
244 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE	0
245 
246 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE		384
247 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE	0
248 
249 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE		10
250 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE	304
251 
252 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE		50
253 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE	384
254 
255 /* only for E3B0*/
256 #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR			304
257 #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR			384
258 #define PFC_E3B0_4P_LB_GUART		120
259 
260 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART		120
261 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST	80
262 
263 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART		80
264 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST	120
265 
266 /* Pause defines*/
267 #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR			330
268 #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR			490
269 #define DEFAULT_E3B0_LB_GUART		40
270 
271 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART		40
272 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST	0
273 
274 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART		40
275 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST	0
276 
277 /* ETS defines*/
278 #define DCBX_INVALID_COS					(0xFF)
279 
280 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
281 #define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
282 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
283 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
284 #define ETS_E3B0_PBF_MIN_W_VAL				(10000)
285 
286 #define MAX_PACKET_SIZE					(9700)
287 #define WC_UC_TIMEOUT					100
288 #define MAX_KR_LINK_RETRY				4
289 
290 /**********************************************************/
291 /*                     INTERFACE                          */
292 /**********************************************************/
293 
294 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
295 	bnx2x_cl45_write(_bp, _phy, \
296 		(_phy)->def_md_devad, \
297 		(_bank + (_addr & 0xf)), \
298 		_val)
299 
300 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
301 	bnx2x_cl45_read(_bp, _phy, \
302 		(_phy)->def_md_devad, \
303 		(_bank + (_addr & 0xf)), \
304 		_val)
305 
306 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
307 {
308 	u32 val = REG_RD(bp, reg);
309 
310 	val |= bits;
311 	REG_WR(bp, reg, val);
312 	return val;
313 }
314 
315 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
316 {
317 	u32 val = REG_RD(bp, reg);
318 
319 	val &= ~bits;
320 	REG_WR(bp, reg, val);
321 	return val;
322 }
323 
324 /******************************************************************/
325 /*			EPIO/GPIO section			  */
326 /******************************************************************/
327 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
328 {
329 	u32 epio_mask, gp_oenable;
330 	*en = 0;
331 	/* Sanity check */
332 	if (epio_pin > 31) {
333 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
334 		return;
335 	}
336 
337 	epio_mask = 1 << epio_pin;
338 	/* Set this EPIO to output */
339 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
340 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
341 
342 	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
343 }
344 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
345 {
346 	u32 epio_mask, gp_output, gp_oenable;
347 
348 	/* Sanity check */
349 	if (epio_pin > 31) {
350 		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
351 		return;
352 	}
353 	DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
354 	epio_mask = 1 << epio_pin;
355 	/* Set this EPIO to output */
356 	gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
357 	if (en)
358 		gp_output |= epio_mask;
359 	else
360 		gp_output &= ~epio_mask;
361 
362 	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
363 
364 	/* Set the value for this EPIO */
365 	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
366 	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
367 }
368 
369 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
370 {
371 	if (pin_cfg == PIN_CFG_NA)
372 		return;
373 	if (pin_cfg >= PIN_CFG_EPIO0) {
374 		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
375 	} else {
376 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
377 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
378 		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
379 	}
380 }
381 
382 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
383 {
384 	if (pin_cfg == PIN_CFG_NA)
385 		return -EINVAL;
386 	if (pin_cfg >= PIN_CFG_EPIO0) {
387 		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
388 	} else {
389 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
390 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
391 		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
392 	}
393 	return 0;
394 
395 }
396 /******************************************************************/
397 /*				ETS section			  */
398 /******************************************************************/
399 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
400 {
401 	/* ETS disabled configuration*/
402 	struct bnx2x *bp = params->bp;
403 
404 	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
405 
406 	/* mapping between entry  priority to client number (0,1,2 -debug and
407 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
408 	 * 3bits client num.
409 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
410 	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
411 	 */
412 
413 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
414 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
415 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
416 	 * COS0 entry, 4 - COS1 entry.
417 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
418 	 * bit4   bit3	  bit2   bit1	  bit0
419 	 * MCP and debug are strict
420 	 */
421 
422 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
423 	/* defines which entries (clients) are subjected to WFQ arbitration */
424 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
425 	/* For strict priority entries defines the number of consecutive
426 	 * slots for the highest priority.
427 	 */
428 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
429 	/* mapping between the CREDIT_WEIGHT registers and actual client
430 	 * numbers
431 	 */
432 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
433 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
434 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
435 
436 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
437 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
438 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
439 	/* ETS mode disable */
440 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
441 	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
442 	 * weight for COS0/COS1.
443 	 */
444 	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
445 	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
446 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
447 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
448 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
449 	/* Defines the number of consecutive slots for the strict priority */
450 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
451 }
452 /******************************************************************************
453 * Description:
454 *	Getting min_w_val will be set according to line speed .
455 *.
456 ******************************************************************************/
457 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
458 {
459 	u32 min_w_val = 0;
460 	/* Calculate min_w_val.*/
461 	if (vars->link_up) {
462 		if (vars->line_speed == SPEED_20000)
463 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
464 		else
465 			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
466 	} else
467 		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
468 	/* If the link isn't up (static configuration for example ) The
469 	 * link will be according to 20GBPS.
470 	 */
471 	return min_w_val;
472 }
473 /******************************************************************************
474 * Description:
475 *	Getting credit upper bound form min_w_val.
476 *.
477 ******************************************************************************/
478 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
479 {
480 	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
481 						MAX_PACKET_SIZE);
482 	return credit_upper_bound;
483 }
484 /******************************************************************************
485 * Description:
486 *	Set credit upper bound for NIG.
487 *.
488 ******************************************************************************/
489 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
490 	const struct link_params *params,
491 	const u32 min_w_val)
492 {
493 	struct bnx2x *bp = params->bp;
494 	const u8 port = params->port;
495 	const u32 credit_upper_bound =
496 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
497 
498 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
499 		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
500 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
501 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
502 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
503 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
504 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
505 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
506 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
507 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
508 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
509 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
510 
511 	if (!port) {
512 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
513 			credit_upper_bound);
514 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
515 			credit_upper_bound);
516 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
517 			credit_upper_bound);
518 	}
519 }
520 /******************************************************************************
521 * Description:
522 *	Will return the NIG ETS registers to init values.Except
523 *	credit_upper_bound.
524 *	That isn't used in this configuration (No WFQ is enabled) and will be
525 *	configured acording to spec
526 *.
527 ******************************************************************************/
528 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
529 					const struct link_vars *vars)
530 {
531 	struct bnx2x *bp = params->bp;
532 	const u8 port = params->port;
533 	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
534 	/* Mapping between entry  priority to client number (0,1,2 -debug and
535 	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
536 	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
537 	 * reset value or init tool
538 	 */
539 	if (port) {
540 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
541 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
542 	} else {
543 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
544 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
545 	}
546 	/* For strict priority entries defines the number of consecutive
547 	 * slots for the highest priority.
548 	 */
549 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
550 		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
551 	/* Mapping between the CREDIT_WEIGHT registers and actual client
552 	 * numbers
553 	 */
554 	if (port) {
555 		/*Port 1 has 6 COS*/
556 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
557 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
558 	} else {
559 		/*Port 0 has 9 COS*/
560 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
561 		       0x43210876);
562 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
563 	}
564 
565 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
566 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
567 	 * COS0 entry, 4 - COS1 entry.
568 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
569 	 * bit4   bit3	  bit2   bit1	  bit0
570 	 * MCP and debug are strict
571 	 */
572 	if (port)
573 		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
574 	else
575 		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
576 	/* defines which entries (clients) are subjected to WFQ arbitration */
577 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
578 		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
579 
580 	/* Please notice the register address are note continuous and a
581 	 * for here is note appropriate.In 2 port mode port0 only COS0-5
582 	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
583 	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
584 	 * are never used for WFQ
585 	 */
586 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
587 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
588 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
589 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
590 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
591 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
592 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
593 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
594 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
595 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
596 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
597 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
598 	if (!port) {
599 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
600 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
601 		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
602 	}
603 
604 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
605 }
606 /******************************************************************************
607 * Description:
608 *	Set credit upper bound for PBF.
609 *.
610 ******************************************************************************/
611 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
612 	const struct link_params *params,
613 	const u32 min_w_val)
614 {
615 	struct bnx2x *bp = params->bp;
616 	const u32 credit_upper_bound =
617 	    bnx2x_ets_get_credit_upper_bound(min_w_val);
618 	const u8 port = params->port;
619 	u32 base_upper_bound = 0;
620 	u8 max_cos = 0;
621 	u8 i = 0;
622 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
623 	 * port mode port1 has COS0-2 that can be used for WFQ.
624 	 */
625 	if (!port) {
626 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
627 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
628 	} else {
629 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
630 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
631 	}
632 
633 	for (i = 0; i < max_cos; i++)
634 		REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
635 }
636 
637 /******************************************************************************
638 * Description:
639 *	Will return the PBF ETS registers to init values.Except
640 *	credit_upper_bound.
641 *	That isn't used in this configuration (No WFQ is enabled) and will be
642 *	configured acording to spec
643 *.
644 ******************************************************************************/
645 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
646 {
647 	struct bnx2x *bp = params->bp;
648 	const u8 port = params->port;
649 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
650 	u8 i = 0;
651 	u32 base_weight = 0;
652 	u8 max_cos = 0;
653 
654 	/* Mapping between entry  priority to client number 0 - COS0
655 	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
656 	 * TODO_ETS - Should be done by reset value or init tool
657 	 */
658 	if (port)
659 		/*  0x688 (|011|0 10|00 1|000) */
660 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
661 	else
662 		/*  (10 1|100 |011|0 10|00 1|000) */
663 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
664 
665 	/* TODO_ETS - Should be done by reset value or init tool */
666 	if (port)
667 		/* 0x688 (|011|0 10|00 1|000)*/
668 		REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
669 	else
670 	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
671 	REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
672 
673 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
674 		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
675 
676 
677 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
678 		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
679 
680 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
681 		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
682 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
683 	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
684 	 */
685 	if (!port) {
686 		base_weight = PBF_REG_COS0_WEIGHT_P0;
687 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
688 	} else {
689 		base_weight = PBF_REG_COS0_WEIGHT_P1;
690 		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
691 	}
692 
693 	for (i = 0; i < max_cos; i++)
694 		REG_WR(bp, base_weight + (0x4 * i), 0);
695 
696 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
697 }
698 /******************************************************************************
699 * Description:
700 *	E3B0 disable will return basicly the values to init values.
701 *.
702 ******************************************************************************/
703 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
704 				   const struct link_vars *vars)
705 {
706 	struct bnx2x *bp = params->bp;
707 
708 	if (!CHIP_IS_E3B0(bp)) {
709 		DP(NETIF_MSG_LINK,
710 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
711 		return -EINVAL;
712 	}
713 
714 	bnx2x_ets_e3b0_nig_disabled(params, vars);
715 
716 	bnx2x_ets_e3b0_pbf_disabled(params);
717 
718 	return 0;
719 }
720 
721 /******************************************************************************
722 * Description:
723 *	Disable will return basicly the values to init values.
724 *
725 ******************************************************************************/
726 int bnx2x_ets_disabled(struct link_params *params,
727 		      struct link_vars *vars)
728 {
729 	struct bnx2x *bp = params->bp;
730 	int bnx2x_status = 0;
731 
732 	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
733 		bnx2x_ets_e2e3a0_disabled(params);
734 	else if (CHIP_IS_E3B0(bp))
735 		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
736 	else {
737 		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
738 		return -EINVAL;
739 	}
740 
741 	return bnx2x_status;
742 }
743 
744 /******************************************************************************
745 * Description
746 *	Set the COS mappimg to SP and BW until this point all the COS are not
747 *	set as SP or BW.
748 ******************************************************************************/
749 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
750 				  const struct bnx2x_ets_params *ets_params,
751 				  const u8 cos_sp_bitmap,
752 				  const u8 cos_bw_bitmap)
753 {
754 	struct bnx2x *bp = params->bp;
755 	const u8 port = params->port;
756 	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
757 	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
758 	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
759 	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
760 
761 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
762 	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
763 
764 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
765 	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
766 
767 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
768 	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
769 	       nig_cli_subject2wfq_bitmap);
770 
771 	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
772 	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
773 	       pbf_cli_subject2wfq_bitmap);
774 
775 	return 0;
776 }
777 
778 /******************************************************************************
779 * Description:
780 *	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
781 *	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
782 ******************************************************************************/
783 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
784 				     const u8 cos_entry,
785 				     const u32 min_w_val_nig,
786 				     const u32 min_w_val_pbf,
787 				     const u16 total_bw,
788 				     const u8 bw,
789 				     const u8 port)
790 {
791 	u32 nig_reg_adress_crd_weight = 0;
792 	u32 pbf_reg_adress_crd_weight = 0;
793 	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
794 	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
795 	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
796 
797 	switch (cos_entry) {
798 	case 0:
799 	    nig_reg_adress_crd_weight =
800 		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
801 		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
802 	     pbf_reg_adress_crd_weight = (port) ?
803 		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
804 	     break;
805 	case 1:
806 	     nig_reg_adress_crd_weight = (port) ?
807 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
808 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
809 	     pbf_reg_adress_crd_weight = (port) ?
810 		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
811 	     break;
812 	case 2:
813 	     nig_reg_adress_crd_weight = (port) ?
814 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
815 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
816 
817 		 pbf_reg_adress_crd_weight = (port) ?
818 		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
819 	     break;
820 	case 3:
821 	    if (port)
822 			return -EINVAL;
823 	     nig_reg_adress_crd_weight =
824 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
825 	     pbf_reg_adress_crd_weight =
826 		 PBF_REG_COS3_WEIGHT_P0;
827 	     break;
828 	case 4:
829 	    if (port)
830 		return -EINVAL;
831 	     nig_reg_adress_crd_weight =
832 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
833 	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
834 	     break;
835 	case 5:
836 	    if (port)
837 		return -EINVAL;
838 	     nig_reg_adress_crd_weight =
839 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
840 	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
841 	     break;
842 	}
843 
844 	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
845 
846 	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
847 
848 	return 0;
849 }
850 /******************************************************************************
851 * Description:
852 *	Calculate the total BW.A value of 0 isn't legal.
853 *
854 ******************************************************************************/
855 static int bnx2x_ets_e3b0_get_total_bw(
856 	const struct link_params *params,
857 	struct bnx2x_ets_params *ets_params,
858 	u16 *total_bw)
859 {
860 	struct bnx2x *bp = params->bp;
861 	u8 cos_idx = 0;
862 	u8 is_bw_cos_exist = 0;
863 
864 	*total_bw = 0 ;
865 	/* Calculate total BW requested */
866 	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
867 		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
868 			is_bw_cos_exist = 1;
869 			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
870 				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
871 						   "was set to 0\n");
872 				/* This is to prevent a state when ramrods
873 				 * can't be sent
874 				 */
875 				ets_params->cos[cos_idx].params.bw_params.bw
876 					 = 1;
877 			}
878 			*total_bw +=
879 				ets_params->cos[cos_idx].params.bw_params.bw;
880 		}
881 	}
882 
883 	/* Check total BW is valid */
884 	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
885 		if (*total_bw == 0) {
886 			DP(NETIF_MSG_LINK,
887 			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
888 			return -EINVAL;
889 		}
890 		DP(NETIF_MSG_LINK,
891 		   "bnx2x_ets_E3B0_config total BW should be 100\n");
892 		/* We can handle a case whre the BW isn't 100 this can happen
893 		 * if the TC are joined.
894 		 */
895 	}
896 	return 0;
897 }
898 
899 /******************************************************************************
900 * Description:
901 *	Invalidate all the sp_pri_to_cos.
902 *
903 ******************************************************************************/
904 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
905 {
906 	u8 pri = 0;
907 	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
908 		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
909 }
910 /******************************************************************************
911 * Description:
912 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
913 *	according to sp_pri_to_cos.
914 *
915 ******************************************************************************/
916 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
917 					    u8 *sp_pri_to_cos, const u8 pri,
918 					    const u8 cos_entry)
919 {
920 	struct bnx2x *bp = params->bp;
921 	const u8 port = params->port;
922 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
923 		DCBX_E3B0_MAX_NUM_COS_PORT0;
924 
925 	if (pri >= max_num_of_cos) {
926 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
927 		   "parameter Illegal strict priority\n");
928 	    return -EINVAL;
929 	}
930 
931 	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
932 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
933 				   "parameter There can't be two COS's with "
934 				   "the same strict pri\n");
935 		return -EINVAL;
936 	}
937 
938 	sp_pri_to_cos[pri] = cos_entry;
939 	return 0;
940 
941 }
942 
943 /******************************************************************************
944 * Description:
945 *	Returns the correct value according to COS and priority in
946 *	the sp_pri_cli register.
947 *
948 ******************************************************************************/
949 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
950 					 const u8 pri_set,
951 					 const u8 pri_offset,
952 					 const u8 entry_size)
953 {
954 	u64 pri_cli_nig = 0;
955 	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
956 						    (pri_set + pri_offset));
957 
958 	return pri_cli_nig;
959 }
960 /******************************************************************************
961 * Description:
962 *	Returns the correct value according to COS and priority in the
963 *	sp_pri_cli register for NIG.
964 *
965 ******************************************************************************/
966 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
967 {
968 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
969 	const u8 nig_cos_offset = 3;
970 	const u8 nig_pri_offset = 3;
971 
972 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
973 		nig_pri_offset, 4);
974 
975 }
976 /******************************************************************************
977 * Description:
978 *	Returns the correct value according to COS and priority in the
979 *	sp_pri_cli register for PBF.
980 *
981 ******************************************************************************/
982 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
983 {
984 	const u8 pbf_cos_offset = 0;
985 	const u8 pbf_pri_offset = 0;
986 
987 	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
988 		pbf_pri_offset, 3);
989 
990 }
991 
992 /******************************************************************************
993 * Description:
994 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
995 *	according to sp_pri_to_cos.(which COS has higher priority)
996 *
997 ******************************************************************************/
998 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
999 					     u8 *sp_pri_to_cos)
1000 {
1001 	struct bnx2x *bp = params->bp;
1002 	u8 i = 0;
1003 	const u8 port = params->port;
1004 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1005 	u64 pri_cli_nig = 0x210;
1006 	u32 pri_cli_pbf = 0x0;
1007 	u8 pri_set = 0;
1008 	u8 pri_bitmask = 0;
1009 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1010 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1011 
1012 	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1013 
1014 	/* Set all the strict priority first */
1015 	for (i = 0; i < max_num_of_cos; i++) {
1016 		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1017 			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1018 				DP(NETIF_MSG_LINK,
1019 					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1020 					   "invalid cos entry\n");
1021 				return -EINVAL;
1022 			}
1023 
1024 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1025 			    sp_pri_to_cos[i], pri_set);
1026 
1027 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1028 			    sp_pri_to_cos[i], pri_set);
1029 			pri_bitmask = 1 << sp_pri_to_cos[i];
1030 			/* COS is used remove it from bitmap.*/
1031 			if (!(pri_bitmask & cos_bit_to_set)) {
1032 				DP(NETIF_MSG_LINK,
1033 					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1034 					"invalid There can't be two COS's with"
1035 					" the same strict pri\n");
1036 				return -EINVAL;
1037 			}
1038 			cos_bit_to_set &= ~pri_bitmask;
1039 			pri_set++;
1040 		}
1041 	}
1042 
1043 	/* Set all the Non strict priority i= COS*/
1044 	for (i = 0; i < max_num_of_cos; i++) {
1045 		pri_bitmask = 1 << i;
1046 		/* Check if COS was already used for SP */
1047 		if (pri_bitmask & cos_bit_to_set) {
1048 			/* COS wasn't used for SP */
1049 			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1050 			    i, pri_set);
1051 
1052 			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1053 			    i, pri_set);
1054 			/* COS is used remove it from bitmap.*/
1055 			cos_bit_to_set &= ~pri_bitmask;
1056 			pri_set++;
1057 		}
1058 	}
1059 
1060 	if (pri_set != max_num_of_cos) {
1061 		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1062 				   "entries were set\n");
1063 		return -EINVAL;
1064 	}
1065 
1066 	if (port) {
1067 		/* Only 6 usable clients*/
1068 		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1069 		       (u32)pri_cli_nig);
1070 
1071 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1072 	} else {
1073 		/* Only 9 usable clients*/
1074 		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1075 		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1076 
1077 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1078 		       pri_cli_nig_lsb);
1079 		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1080 		       pri_cli_nig_msb);
1081 
1082 		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1083 	}
1084 	return 0;
1085 }
1086 
1087 /******************************************************************************
1088 * Description:
1089 *	Configure the COS to ETS according to BW and SP settings.
1090 ******************************************************************************/
1091 int bnx2x_ets_e3b0_config(const struct link_params *params,
1092 			 const struct link_vars *vars,
1093 			 struct bnx2x_ets_params *ets_params)
1094 {
1095 	struct bnx2x *bp = params->bp;
1096 	int bnx2x_status = 0;
1097 	const u8 port = params->port;
1098 	u16 total_bw = 0;
1099 	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1100 	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1101 	u8 cos_bw_bitmap = 0;
1102 	u8 cos_sp_bitmap = 0;
1103 	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1104 	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1105 		DCBX_E3B0_MAX_NUM_COS_PORT0;
1106 	u8 cos_entry = 0;
1107 
1108 	if (!CHIP_IS_E3B0(bp)) {
1109 		DP(NETIF_MSG_LINK,
1110 		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1111 		return -EINVAL;
1112 	}
1113 
1114 	if ((ets_params->num_of_cos > max_num_of_cos)) {
1115 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1116 				   "isn't supported\n");
1117 		return -EINVAL;
1118 	}
1119 
1120 	/* Prepare sp strict priority parameters*/
1121 	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1122 
1123 	/* Prepare BW parameters*/
1124 	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1125 						   &total_bw);
1126 	if (bnx2x_status) {
1127 		DP(NETIF_MSG_LINK,
1128 		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
1129 		return -EINVAL;
1130 	}
1131 
1132 	/* Upper bound is set according to current link speed (min_w_val
1133 	 * should be the same for upper bound and COS credit val).
1134 	 */
1135 	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1136 	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1137 
1138 
1139 	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1140 		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1141 			cos_bw_bitmap |= (1 << cos_entry);
1142 			/* The function also sets the BW in HW(not the mappin
1143 			 * yet)
1144 			 */
1145 			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1146 				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1147 				total_bw,
1148 				ets_params->cos[cos_entry].params.bw_params.bw,
1149 				 port);
1150 		} else if (bnx2x_cos_state_strict ==
1151 			ets_params->cos[cos_entry].state){
1152 			cos_sp_bitmap |= (1 << cos_entry);
1153 
1154 			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1155 				params,
1156 				sp_pri_to_cos,
1157 				ets_params->cos[cos_entry].params.sp_params.pri,
1158 				cos_entry);
1159 
1160 		} else {
1161 			DP(NETIF_MSG_LINK,
1162 			   "bnx2x_ets_e3b0_config cos state not valid\n");
1163 			return -EINVAL;
1164 		}
1165 		if (bnx2x_status) {
1166 			DP(NETIF_MSG_LINK,
1167 			   "bnx2x_ets_e3b0_config set cos bw failed\n");
1168 			return bnx2x_status;
1169 		}
1170 	}
1171 
1172 	/* Set SP register (which COS has higher priority) */
1173 	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1174 							 sp_pri_to_cos);
1175 
1176 	if (bnx2x_status) {
1177 		DP(NETIF_MSG_LINK,
1178 		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1179 		return bnx2x_status;
1180 	}
1181 
1182 	/* Set client mapping of BW and strict */
1183 	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1184 					      cos_sp_bitmap,
1185 					      cos_bw_bitmap);
1186 
1187 	if (bnx2x_status) {
1188 		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1189 		return bnx2x_status;
1190 	}
1191 	return 0;
1192 }
1193 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1194 {
1195 	/* ETS disabled configuration */
1196 	struct bnx2x *bp = params->bp;
1197 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1198 	/* Defines which entries (clients) are subjected to WFQ arbitration
1199 	 * COS0 0x8
1200 	 * COS1 0x10
1201 	 */
1202 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1203 	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1204 	 * client numbers (WEIGHT_0 does not actually have to represent
1205 	 * client 0)
1206 	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1207 	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1208 	 */
1209 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1210 
1211 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1212 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1213 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1214 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1215 
1216 	/* ETS mode enabled*/
1217 	REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1218 
1219 	/* Defines the number of consecutive slots for the strict priority */
1220 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1221 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1222 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1223 	 * entry, 4 - COS1 entry.
1224 	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1225 	 * bit4   bit3	  bit2     bit1	   bit0
1226 	 * MCP and debug are strict
1227 	 */
1228 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1229 
1230 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1231 	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1232 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1233 	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1234 	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1235 }
1236 
1237 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1238 			const u32 cos1_bw)
1239 {
1240 	/* ETS disabled configuration*/
1241 	struct bnx2x *bp = params->bp;
1242 	const u32 total_bw = cos0_bw + cos1_bw;
1243 	u32 cos0_credit_weight = 0;
1244 	u32 cos1_credit_weight = 0;
1245 
1246 	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1247 
1248 	if ((!total_bw) ||
1249 	    (!cos0_bw) ||
1250 	    (!cos1_bw)) {
1251 		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1252 		return;
1253 	}
1254 
1255 	cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1256 		total_bw;
1257 	cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1258 		total_bw;
1259 
1260 	bnx2x_ets_bw_limit_common(params);
1261 
1262 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1263 	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1264 
1265 	REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1266 	REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1267 }
1268 
1269 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1270 {
1271 	/* ETS disabled configuration*/
1272 	struct bnx2x *bp = params->bp;
1273 	u32 val	= 0;
1274 
1275 	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1276 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1277 	 * as strict.  Bits 0,1,2 - debug and management entries,
1278 	 * 3 - COS0 entry, 4 - COS1 entry.
1279 	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1280 	 *  bit4   bit3	  bit2      bit1     bit0
1281 	 * MCP and debug are strict
1282 	 */
1283 	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1284 	/* For strict priority entries defines the number of consecutive slots
1285 	 * for the highest priority.
1286 	 */
1287 	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1288 	/* ETS mode disable */
1289 	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1290 	/* Defines the number of consecutive slots for the strict priority */
1291 	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1292 
1293 	/* Defines the number of consecutive slots for the strict priority */
1294 	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1295 
1296 	/* Mapping between entry  priority to client number (0,1,2 -debug and
1297 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1298 	 * 3bits client num.
1299 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1300 	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1301 	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1302 	 */
1303 	val = (!strict_cos) ? 0x2318 : 0x22E0;
1304 	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1305 
1306 	return 0;
1307 }
1308 /******************************************************************/
1309 /*			PFC section				  */
1310 /******************************************************************/
1311 static void bnx2x_update_pfc_xmac(struct link_params *params,
1312 				  struct link_vars *vars,
1313 				  u8 is_lb)
1314 {
1315 	struct bnx2x *bp = params->bp;
1316 	u32 xmac_base;
1317 	u32 pause_val, pfc0_val, pfc1_val;
1318 
1319 	/* XMAC base adrr */
1320 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1321 
1322 	/* Initialize pause and pfc registers */
1323 	pause_val = 0x18000;
1324 	pfc0_val = 0xFFFF8000;
1325 	pfc1_val = 0x2;
1326 
1327 	/* No PFC support */
1328 	if (!(params->feature_config_flags &
1329 	      FEATURE_CONFIG_PFC_ENABLED)) {
1330 
1331 		/* RX flow control - Process pause frame in receive direction
1332 		 */
1333 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1334 			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1335 
1336 		/* TX flow control - Send pause packet when buffer is full */
1337 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1338 			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1339 	} else {/* PFC support */
1340 		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1341 			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1342 			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1343 			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1344 			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1345 		/* Write pause and PFC registers */
1346 		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1347 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1348 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1349 		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1350 
1351 	}
1352 
1353 	/* Write pause and PFC registers */
1354 	REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1355 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1356 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1357 
1358 
1359 	/* Set MAC address for source TX Pause/PFC frames */
1360 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1361 	       ((params->mac_addr[2] << 24) |
1362 		(params->mac_addr[3] << 16) |
1363 		(params->mac_addr[4] << 8) |
1364 		(params->mac_addr[5])));
1365 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1366 	       ((params->mac_addr[0] << 8) |
1367 		(params->mac_addr[1])));
1368 
1369 	udelay(30);
1370 }
1371 
1372 
1373 static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1374 				    u32 pfc_frames_sent[2],
1375 				    u32 pfc_frames_received[2])
1376 {
1377 	/* Read pfc statistic */
1378 	struct bnx2x *bp = params->bp;
1379 	u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1380 	u32 val_xon = 0;
1381 	u32 val_xoff = 0;
1382 
1383 	DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1384 
1385 	/* PFC received frames */
1386 	val_xoff = REG_RD(bp, emac_base +
1387 				EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1388 	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1389 	val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1390 	val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1391 
1392 	pfc_frames_received[0] = val_xon + val_xoff;
1393 
1394 	/* PFC received sent */
1395 	val_xoff = REG_RD(bp, emac_base +
1396 				EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1397 	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1398 	val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1399 	val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1400 
1401 	pfc_frames_sent[0] = val_xon + val_xoff;
1402 }
1403 
1404 /* Read pfc statistic*/
1405 void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1406 			 u32 pfc_frames_sent[2],
1407 			 u32 pfc_frames_received[2])
1408 {
1409 	/* Read pfc statistic */
1410 	struct bnx2x *bp = params->bp;
1411 
1412 	DP(NETIF_MSG_LINK, "pfc statistic\n");
1413 
1414 	if (!vars->link_up)
1415 		return;
1416 
1417 	if (vars->mac_type == MAC_TYPE_EMAC) {
1418 		DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
1419 		bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1420 					pfc_frames_received);
1421 	}
1422 }
1423 /******************************************************************/
1424 /*			MAC/PBF section				  */
1425 /******************************************************************/
1426 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1427 {
1428 	u32 mode, emac_base;
1429 	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1430 	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1431 	 */
1432 
1433 	if (CHIP_IS_E2(bp))
1434 		emac_base = GRCBASE_EMAC0;
1435 	else
1436 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1437 	mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1438 	mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1439 		  EMAC_MDIO_MODE_CLOCK_CNT);
1440 	if (USES_WARPCORE(bp))
1441 		mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1442 	else
1443 		mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1444 
1445 	mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1446 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1447 
1448 	udelay(40);
1449 }
1450 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1451 {
1452 	u32 port4mode_ovwr_val;
1453 	/* Check 4-port override enabled */
1454 	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1455 	if (port4mode_ovwr_val & (1<<0)) {
1456 		/* Return 4-port mode override value */
1457 		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1458 	}
1459 	/* Return 4-port mode from input pin */
1460 	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1461 }
1462 
1463 static void bnx2x_emac_init(struct link_params *params,
1464 			    struct link_vars *vars)
1465 {
1466 	/* reset and unreset the emac core */
1467 	struct bnx2x *bp = params->bp;
1468 	u8 port = params->port;
1469 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1470 	u32 val;
1471 	u16 timeout;
1472 
1473 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1474 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1475 	udelay(5);
1476 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1477 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1478 
1479 	/* init emac - use read-modify-write */
1480 	/* self clear reset */
1481 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1482 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1483 
1484 	timeout = 200;
1485 	do {
1486 		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1487 		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1488 		if (!timeout) {
1489 			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1490 			return;
1491 		}
1492 		timeout--;
1493 	} while (val & EMAC_MODE_RESET);
1494 	bnx2x_set_mdio_clk(bp, params->chip_id, port);
1495 	/* Set mac address */
1496 	val = ((params->mac_addr[0] << 8) |
1497 		params->mac_addr[1]);
1498 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1499 
1500 	val = ((params->mac_addr[2] << 24) |
1501 	       (params->mac_addr[3] << 16) |
1502 	       (params->mac_addr[4] << 8) |
1503 		params->mac_addr[5]);
1504 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1505 }
1506 
1507 static void bnx2x_set_xumac_nig(struct link_params *params,
1508 				u16 tx_pause_en,
1509 				u8 enable)
1510 {
1511 	struct bnx2x *bp = params->bp;
1512 
1513 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1514 	       enable);
1515 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1516 	       enable);
1517 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1518 	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1519 }
1520 
1521 static void bnx2x_umac_disable(struct link_params *params)
1522 {
1523 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1524 	struct bnx2x *bp = params->bp;
1525 	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1526 		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1527 		return;
1528 
1529 	/* Disable RX and TX */
1530 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
1531 }
1532 
1533 static void bnx2x_umac_enable(struct link_params *params,
1534 			    struct link_vars *vars, u8 lb)
1535 {
1536 	u32 val;
1537 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1538 	struct bnx2x *bp = params->bp;
1539 	/* Reset UMAC */
1540 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1541 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1542 	usleep_range(1000, 1000);
1543 
1544 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1545 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1546 
1547 	DP(NETIF_MSG_LINK, "enabling UMAC\n");
1548 
1549 	/* This register opens the gate for the UMAC despite its name */
1550 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1551 
1552 	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1553 		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1554 		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1555 		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1556 	switch (vars->line_speed) {
1557 	case SPEED_10:
1558 		val |= (0<<2);
1559 		break;
1560 	case SPEED_100:
1561 		val |= (1<<2);
1562 		break;
1563 	case SPEED_1000:
1564 		val |= (2<<2);
1565 		break;
1566 	case SPEED_2500:
1567 		val |= (3<<2);
1568 		break;
1569 	default:
1570 		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1571 			       vars->line_speed);
1572 		break;
1573 	}
1574 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1575 		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1576 
1577 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1578 		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1579 
1580 	if (vars->duplex == DUPLEX_HALF)
1581 		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1582 
1583 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1584 	udelay(50);
1585 
1586 	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1587 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1588 	       ((params->mac_addr[2] << 24) |
1589 		(params->mac_addr[3] << 16) |
1590 		(params->mac_addr[4] << 8) |
1591 		(params->mac_addr[5])));
1592 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1593 	       ((params->mac_addr[0] << 8) |
1594 		(params->mac_addr[1])));
1595 
1596 	/* Enable RX and TX */
1597 	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1598 	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1599 		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1600 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1601 	udelay(50);
1602 
1603 	/* Remove SW Reset */
1604 	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1605 
1606 	/* Check loopback mode */
1607 	if (lb)
1608 		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1609 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1610 
1611 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1612 	 * length used by the MAC receive logic to check frames.
1613 	 */
1614 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1615 	bnx2x_set_xumac_nig(params,
1616 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1617 	vars->mac_type = MAC_TYPE_UMAC;
1618 
1619 }
1620 
1621 /* Define the XMAC mode */
1622 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1623 {
1624 	struct bnx2x *bp = params->bp;
1625 	u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1626 
1627 	/* In 4-port mode, need to set the mode only once, so if XMAC is
1628 	 * already out of reset, it means the mode has already been set,
1629 	 * and it must not* reset the XMAC again, since it controls both
1630 	 * ports of the path
1631 	 */
1632 
1633 	if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
1634 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1635 	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1636 		DP(NETIF_MSG_LINK,
1637 		   "XMAC already out of reset in 4-port mode\n");
1638 		return;
1639 	}
1640 
1641 	/* Hard reset */
1642 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1643 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1644 	usleep_range(1000, 1000);
1645 
1646 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1647 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1648 	if (is_port4mode) {
1649 		DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1650 
1651 		/* Set the number of ports on the system side to up to 2 */
1652 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1653 
1654 		/* Set the number of ports on the Warp Core to 10G */
1655 		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1656 	} else {
1657 		/* Set the number of ports on the system side to 1 */
1658 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1659 		if (max_speed == SPEED_10000) {
1660 			DP(NETIF_MSG_LINK,
1661 			   "Init XMAC to 10G x 1 port per path\n");
1662 			/* Set the number of ports on the Warp Core to 10G */
1663 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1664 		} else {
1665 			DP(NETIF_MSG_LINK,
1666 			   "Init XMAC to 20G x 2 ports per path\n");
1667 			/* Set the number of ports on the Warp Core to 20G */
1668 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1669 		}
1670 	}
1671 	/* Soft reset */
1672 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1673 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1674 	usleep_range(1000, 1000);
1675 
1676 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1677 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1678 
1679 }
1680 
1681 static void bnx2x_xmac_disable(struct link_params *params)
1682 {
1683 	u8 port = params->port;
1684 	struct bnx2x *bp = params->bp;
1685 	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1686 
1687 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1688 	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1689 		/* Send an indication to change the state in the NIG back to XON
1690 		 * Clearing this bit enables the next set of this bit to get
1691 		 * rising edge
1692 		 */
1693 		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1694 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1695 		       (pfc_ctrl & ~(1<<1)));
1696 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1697 		       (pfc_ctrl | (1<<1)));
1698 		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1699 		REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
1700 	}
1701 }
1702 
1703 static int bnx2x_xmac_enable(struct link_params *params,
1704 			     struct link_vars *vars, u8 lb)
1705 {
1706 	u32 val, xmac_base;
1707 	struct bnx2x *bp = params->bp;
1708 	DP(NETIF_MSG_LINK, "enabling XMAC\n");
1709 
1710 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1711 
1712 	bnx2x_xmac_init(params, vars->line_speed);
1713 
1714 	/* This register determines on which events the MAC will assert
1715 	 * error on the i/f to the NIG along w/ EOP.
1716 	 */
1717 
1718 	/* This register tells the NIG whether to send traffic to UMAC
1719 	 * or XMAC
1720 	 */
1721 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1722 
1723 	/* Set Max packet size */
1724 	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1725 
1726 	/* CRC append for Tx packets */
1727 	REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1728 
1729 	/* update PFC */
1730 	bnx2x_update_pfc_xmac(params, vars, 0);
1731 
1732 	/* Enable TX and RX */
1733 	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1734 
1735 	/* Check loopback mode */
1736 	if (lb)
1737 		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1738 	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1739 	bnx2x_set_xumac_nig(params,
1740 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1741 
1742 	vars->mac_type = MAC_TYPE_XMAC;
1743 
1744 	return 0;
1745 }
1746 
1747 static int bnx2x_emac_enable(struct link_params *params,
1748 			     struct link_vars *vars, u8 lb)
1749 {
1750 	struct bnx2x *bp = params->bp;
1751 	u8 port = params->port;
1752 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1753 	u32 val;
1754 
1755 	DP(NETIF_MSG_LINK, "enabling EMAC\n");
1756 
1757 	/* Disable BMAC */
1758 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1759 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1760 
1761 	/* enable emac and not bmac */
1762 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1763 
1764 	/* ASIC */
1765 	if (vars->phy_flags & PHY_XGXS_FLAG) {
1766 		u32 ser_lane = ((params->lane_config &
1767 				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1768 				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1769 
1770 		DP(NETIF_MSG_LINK, "XGXS\n");
1771 		/* select the master lanes (out of 0-3) */
1772 		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1773 		/* select XGXS */
1774 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1775 
1776 	} else { /* SerDes */
1777 		DP(NETIF_MSG_LINK, "SerDes\n");
1778 		/* select SerDes */
1779 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1780 	}
1781 
1782 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1783 		      EMAC_RX_MODE_RESET);
1784 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1785 		      EMAC_TX_MODE_RESET);
1786 
1787 	if (CHIP_REV_IS_SLOW(bp)) {
1788 		/* config GMII mode */
1789 		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1790 		EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
1791 	} else { /* ASIC */
1792 		/* pause enable/disable */
1793 		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1794 			       EMAC_RX_MODE_FLOW_EN);
1795 
1796 		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1797 			       (EMAC_TX_MODE_EXT_PAUSE_EN |
1798 				EMAC_TX_MODE_FLOW_EN));
1799 		if (!(params->feature_config_flags &
1800 		      FEATURE_CONFIG_PFC_ENABLED)) {
1801 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1802 				bnx2x_bits_en(bp, emac_base +
1803 					      EMAC_REG_EMAC_RX_MODE,
1804 					      EMAC_RX_MODE_FLOW_EN);
1805 
1806 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1807 				bnx2x_bits_en(bp, emac_base +
1808 					      EMAC_REG_EMAC_TX_MODE,
1809 					      (EMAC_TX_MODE_EXT_PAUSE_EN |
1810 					       EMAC_TX_MODE_FLOW_EN));
1811 		} else
1812 			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1813 				      EMAC_TX_MODE_FLOW_EN);
1814 	}
1815 
1816 	/* KEEP_VLAN_TAG, promiscuous */
1817 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1818 	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1819 
1820 	/* Setting this bit causes MAC control frames (except for pause
1821 	 * frames) to be passed on for processing. This setting has no
1822 	 * affect on the operation of the pause frames. This bit effects
1823 	 * all packets regardless of RX Parser packet sorting logic.
1824 	 * Turn the PFC off to make sure we are in Xon state before
1825 	 * enabling it.
1826 	 */
1827 	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1828 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1829 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1830 		/* Enable PFC again */
1831 		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1832 			EMAC_REG_RX_PFC_MODE_RX_EN |
1833 			EMAC_REG_RX_PFC_MODE_TX_EN |
1834 			EMAC_REG_RX_PFC_MODE_PRIORITIES);
1835 
1836 		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1837 			((0x0101 <<
1838 			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1839 			 (0x00ff <<
1840 			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1841 		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1842 	}
1843 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1844 
1845 	/* Set Loopback */
1846 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1847 	if (lb)
1848 		val |= 0x810;
1849 	else
1850 		val &= ~0x810;
1851 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1852 
1853 	/* enable emac */
1854 	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1855 
1856 	/* enable emac for jumbo packets */
1857 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1858 		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
1859 		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1860 
1861 	/* strip CRC */
1862 	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1863 
1864 	/* disable the NIG in/out to the bmac */
1865 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1866 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1867 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1868 
1869 	/* enable the NIG in/out to the emac */
1870 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1871 	val = 0;
1872 	if ((params->feature_config_flags &
1873 	      FEATURE_CONFIG_PFC_ENABLED) ||
1874 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1875 		val = 1;
1876 
1877 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1878 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1879 
1880 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1881 
1882 	vars->mac_type = MAC_TYPE_EMAC;
1883 	return 0;
1884 }
1885 
1886 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1887 				   struct link_vars *vars)
1888 {
1889 	u32 wb_data[2];
1890 	struct bnx2x *bp = params->bp;
1891 	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1892 		NIG_REG_INGRESS_BMAC0_MEM;
1893 
1894 	u32 val = 0x14;
1895 	if ((!(params->feature_config_flags &
1896 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1897 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1898 		/* Enable BigMAC to react on received Pause packets */
1899 		val |= (1<<5);
1900 	wb_data[0] = val;
1901 	wb_data[1] = 0;
1902 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1903 
1904 	/* tx control */
1905 	val = 0xc0;
1906 	if (!(params->feature_config_flags &
1907 	      FEATURE_CONFIG_PFC_ENABLED) &&
1908 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1909 		val |= 0x800000;
1910 	wb_data[0] = val;
1911 	wb_data[1] = 0;
1912 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1913 }
1914 
1915 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1916 				   struct link_vars *vars,
1917 				   u8 is_lb)
1918 {
1919 	/* Set rx control: Strip CRC and enable BigMAC to relay
1920 	 * control packets to the system as well
1921 	 */
1922 	u32 wb_data[2];
1923 	struct bnx2x *bp = params->bp;
1924 	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1925 		NIG_REG_INGRESS_BMAC0_MEM;
1926 	u32 val = 0x14;
1927 
1928 	if ((!(params->feature_config_flags &
1929 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1930 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1931 		/* Enable BigMAC to react on received Pause packets */
1932 		val |= (1<<5);
1933 	wb_data[0] = val;
1934 	wb_data[1] = 0;
1935 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1936 	udelay(30);
1937 
1938 	/* Tx control */
1939 	val = 0xc0;
1940 	if (!(params->feature_config_flags &
1941 				FEATURE_CONFIG_PFC_ENABLED) &&
1942 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1943 		val |= 0x800000;
1944 	wb_data[0] = val;
1945 	wb_data[1] = 0;
1946 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
1947 
1948 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1949 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1950 		/* Enable PFC RX & TX & STATS and set 8 COS  */
1951 		wb_data[0] = 0x0;
1952 		wb_data[0] |= (1<<0);  /* RX */
1953 		wb_data[0] |= (1<<1);  /* TX */
1954 		wb_data[0] |= (1<<2);  /* Force initial Xon */
1955 		wb_data[0] |= (1<<3);  /* 8 cos */
1956 		wb_data[0] |= (1<<5);  /* STATS */
1957 		wb_data[1] = 0;
1958 		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
1959 			    wb_data, 2);
1960 		/* Clear the force Xon */
1961 		wb_data[0] &= ~(1<<2);
1962 	} else {
1963 		DP(NETIF_MSG_LINK, "PFC is disabled\n");
1964 		/* disable PFC RX & TX & STATS and set 8 COS */
1965 		wb_data[0] = 0x8;
1966 		wb_data[1] = 0;
1967 	}
1968 
1969 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
1970 
1971 	/* Set Time (based unit is 512 bit time) between automatic
1972 	 * re-sending of PP packets amd enable automatic re-send of
1973 	 * Per-Priroity Packet as long as pp_gen is asserted and
1974 	 * pp_disable is low.
1975 	 */
1976 	val = 0x8000;
1977 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1978 		val |= (1<<16); /* enable automatic re-send */
1979 
1980 	wb_data[0] = val;
1981 	wb_data[1] = 0;
1982 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
1983 		    wb_data, 2);
1984 
1985 	/* mac control */
1986 	val = 0x3; /* Enable RX and TX */
1987 	if (is_lb) {
1988 		val |= 0x4; /* Local loopback */
1989 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
1990 	}
1991 	/* When PFC enabled, Pass pause frames towards the NIG. */
1992 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
1993 		val |= ((1<<6)|(1<<5));
1994 
1995 	wb_data[0] = val;
1996 	wb_data[1] = 0;
1997 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
1998 }
1999 
2000 /* PFC BRB internal port configuration params */
2001 struct bnx2x_pfc_brb_threshold_val {
2002 	u32 pause_xoff;
2003 	u32 pause_xon;
2004 	u32 full_xoff;
2005 	u32 full_xon;
2006 };
2007 
2008 struct bnx2x_pfc_brb_e3b0_val {
2009 	u32 per_class_guaranty_mode;
2010 	u32 lb_guarantied_hyst;
2011 	u32 full_lb_xoff_th;
2012 	u32 full_lb_xon_threshold;
2013 	u32 lb_guarantied;
2014 	u32 mac_0_class_t_guarantied;
2015 	u32 mac_0_class_t_guarantied_hyst;
2016 	u32 mac_1_class_t_guarantied;
2017 	u32 mac_1_class_t_guarantied_hyst;
2018 };
2019 
2020 struct bnx2x_pfc_brb_th_val {
2021 	struct bnx2x_pfc_brb_threshold_val pauseable_th;
2022 	struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
2023 	struct bnx2x_pfc_brb_threshold_val default_class0;
2024 	struct bnx2x_pfc_brb_threshold_val default_class1;
2025 
2026 };
2027 static int bnx2x_pfc_brb_get_config_params(
2028 				struct link_params *params,
2029 				struct bnx2x_pfc_brb_th_val *config_val)
2030 {
2031 	struct bnx2x *bp = params->bp;
2032 	DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
2033 
2034 	config_val->default_class1.pause_xoff = 0;
2035 	config_val->default_class1.pause_xon = 0;
2036 	config_val->default_class1.full_xoff = 0;
2037 	config_val->default_class1.full_xon = 0;
2038 
2039 	if (CHIP_IS_E2(bp)) {
2040 		/* Class0 defaults */
2041 		config_val->default_class0.pause_xoff =
2042 			DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
2043 		config_val->default_class0.pause_xon =
2044 			DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
2045 		config_val->default_class0.full_xoff =
2046 			DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
2047 		config_val->default_class0.full_xon =
2048 			DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
2049 		/* Pause able*/
2050 		config_val->pauseable_th.pause_xoff =
2051 			PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2052 		config_val->pauseable_th.pause_xon =
2053 			PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2054 		config_val->pauseable_th.full_xoff =
2055 			PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2056 		config_val->pauseable_th.full_xon =
2057 			PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2058 		/* non pause able*/
2059 		config_val->non_pauseable_th.pause_xoff =
2060 			PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2061 		config_val->non_pauseable_th.pause_xon =
2062 			PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2063 		config_val->non_pauseable_th.full_xoff =
2064 			PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2065 		config_val->non_pauseable_th.full_xon =
2066 			PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2067 	} else if (CHIP_IS_E3A0(bp)) {
2068 		/* Class0 defaults */
2069 		config_val->default_class0.pause_xoff =
2070 			DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
2071 		config_val->default_class0.pause_xon =
2072 			DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
2073 		config_val->default_class0.full_xoff =
2074 			DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
2075 		config_val->default_class0.full_xon =
2076 			DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
2077 		/* Pause able */
2078 		config_val->pauseable_th.pause_xoff =
2079 			PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2080 		config_val->pauseable_th.pause_xon =
2081 			PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2082 		config_val->pauseable_th.full_xoff =
2083 			PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2084 		config_val->pauseable_th.full_xon =
2085 			PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2086 		/* non pause able*/
2087 		config_val->non_pauseable_th.pause_xoff =
2088 			PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2089 		config_val->non_pauseable_th.pause_xon =
2090 			PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2091 		config_val->non_pauseable_th.full_xoff =
2092 			PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2093 		config_val->non_pauseable_th.full_xon =
2094 			PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2095 	} else if (CHIP_IS_E3B0(bp)) {
2096 		/* Class0 defaults */
2097 		config_val->default_class0.pause_xoff =
2098 			DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
2099 		config_val->default_class0.pause_xon =
2100 		    DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
2101 		config_val->default_class0.full_xoff =
2102 		    DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
2103 		config_val->default_class0.full_xon =
2104 		    DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
2105 
2106 		if (params->phy[INT_PHY].flags &
2107 		    FLAGS_4_PORT_MODE) {
2108 			config_val->pauseable_th.pause_xoff =
2109 				PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2110 			config_val->pauseable_th.pause_xon =
2111 				PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2112 			config_val->pauseable_th.full_xoff =
2113 				PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2114 			config_val->pauseable_th.full_xon =
2115 				PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2116 			/* non pause able*/
2117 			config_val->non_pauseable_th.pause_xoff =
2118 			PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2119 			config_val->non_pauseable_th.pause_xon =
2120 			PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2121 			config_val->non_pauseable_th.full_xoff =
2122 			PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2123 			config_val->non_pauseable_th.full_xon =
2124 			PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2125 		} else {
2126 			config_val->pauseable_th.pause_xoff =
2127 				PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2128 			config_val->pauseable_th.pause_xon =
2129 				PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2130 			config_val->pauseable_th.full_xoff =
2131 				PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2132 			config_val->pauseable_th.full_xon =
2133 				PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2134 			/* non pause able*/
2135 			config_val->non_pauseable_th.pause_xoff =
2136 				PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2137 			config_val->non_pauseable_th.pause_xon =
2138 				PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2139 			config_val->non_pauseable_th.full_xoff =
2140 				PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2141 			config_val->non_pauseable_th.full_xon =
2142 				PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2143 		}
2144 	} else
2145 	    return -EINVAL;
2146 
2147 	return 0;
2148 }
2149 
2150 static void bnx2x_pfc_brb_get_e3b0_config_params(
2151 		struct link_params *params,
2152 		struct bnx2x_pfc_brb_e3b0_val
2153 		*e3b0_val,
2154 		struct bnx2x_nig_brb_pfc_port_params *pfc_params,
2155 		const u8 pfc_enabled)
2156 {
2157 	if (pfc_enabled && pfc_params) {
2158 		e3b0_val->per_class_guaranty_mode = 1;
2159 		e3b0_val->lb_guarantied_hyst = 80;
2160 
2161 		if (params->phy[INT_PHY].flags &
2162 		    FLAGS_4_PORT_MODE) {
2163 			e3b0_val->full_lb_xoff_th =
2164 				PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2165 			e3b0_val->full_lb_xon_threshold =
2166 				PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2167 			e3b0_val->lb_guarantied =
2168 				PFC_E3B0_4P_LB_GUART;
2169 			e3b0_val->mac_0_class_t_guarantied =
2170 				PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2171 			e3b0_val->mac_0_class_t_guarantied_hyst =
2172 				PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2173 			e3b0_val->mac_1_class_t_guarantied =
2174 				PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2175 			e3b0_val->mac_1_class_t_guarantied_hyst =
2176 				PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2177 		} else {
2178 			e3b0_val->full_lb_xoff_th =
2179 				PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2180 			e3b0_val->full_lb_xon_threshold =
2181 				PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2182 			e3b0_val->mac_0_class_t_guarantied_hyst =
2183 				PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2184 			e3b0_val->mac_1_class_t_guarantied =
2185 				PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2186 			e3b0_val->mac_1_class_t_guarantied_hyst =
2187 				PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2188 
2189 			if (pfc_params->cos0_pauseable !=
2190 				pfc_params->cos1_pauseable) {
2191 				/* nonpauseable= Lossy + pauseable = Lossless*/
2192 				e3b0_val->lb_guarantied =
2193 					PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2194 				e3b0_val->mac_0_class_t_guarantied =
2195 			       PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2196 			} else if (pfc_params->cos0_pauseable) {
2197 				/* Lossless +Lossless*/
2198 				e3b0_val->lb_guarantied =
2199 					PFC_E3B0_2P_PAUSE_LB_GUART;
2200 				e3b0_val->mac_0_class_t_guarantied =
2201 				   PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2202 			} else {
2203 				/* Lossy +Lossy*/
2204 				e3b0_val->lb_guarantied =
2205 					PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2206 				e3b0_val->mac_0_class_t_guarantied =
2207 			       PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2208 			}
2209 		}
2210 	} else {
2211 		e3b0_val->per_class_guaranty_mode = 0;
2212 		e3b0_val->lb_guarantied_hyst = 0;
2213 		e3b0_val->full_lb_xoff_th =
2214 			DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
2215 		e3b0_val->full_lb_xon_threshold =
2216 			DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
2217 		e3b0_val->lb_guarantied =
2218 			DEFAULT_E3B0_LB_GUART;
2219 		e3b0_val->mac_0_class_t_guarantied =
2220 			DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
2221 		e3b0_val->mac_0_class_t_guarantied_hyst =
2222 			DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
2223 		e3b0_val->mac_1_class_t_guarantied =
2224 			DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
2225 		e3b0_val->mac_1_class_t_guarantied_hyst =
2226 			DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
2227 	}
2228 }
2229 static int bnx2x_update_pfc_brb(struct link_params *params,
2230 				struct link_vars *vars,
2231 				struct bnx2x_nig_brb_pfc_port_params
2232 				*pfc_params)
2233 {
2234 	struct bnx2x *bp = params->bp;
2235 	struct bnx2x_pfc_brb_th_val config_val = { {0} };
2236 	struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2237 		&config_val.pauseable_th;
2238 	struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
2239 	const int set_pfc = params->feature_config_flags &
2240 		FEATURE_CONFIG_PFC_ENABLED;
2241 	const u8 pfc_enabled = (set_pfc && pfc_params);
2242 	int bnx2x_status = 0;
2243 	u8 port = params->port;
2244 
2245 	/* default - pause configuration */
2246 	reg_th_config = &config_val.pauseable_th;
2247 	bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2248 	if (bnx2x_status)
2249 		return bnx2x_status;
2250 
2251 	if (pfc_enabled) {
2252 		/* First COS */
2253 		if (pfc_params->cos0_pauseable)
2254 			reg_th_config = &config_val.pauseable_th;
2255 		else
2256 			reg_th_config = &config_val.non_pauseable_th;
2257 	} else
2258 		reg_th_config = &config_val.default_class0;
2259 	/* The number of free blocks below which the pause signal to class 0
2260 	 * of MAC #n is asserted. n=0,1
2261 	 */
2262 	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2263 	       BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2264 	       reg_th_config->pause_xoff);
2265 	/* The number of free blocks above which the pause signal to class 0
2266 	 * of MAC #n is de-asserted. n=0,1
2267 	 */
2268 	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2269 	       BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
2270 	/* The number of free blocks below which the full signal to class 0
2271 	 * of MAC #n is asserted. n=0,1
2272 	 */
2273 	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2274 	       BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
2275 	/* The number of free blocks above which the full signal to class 0
2276 	 * of MAC #n is de-asserted. n=0,1
2277 	 */
2278 	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2279 	       BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
2280 
2281 	if (pfc_enabled) {
2282 		/* Second COS */
2283 		if (pfc_params->cos1_pauseable)
2284 			reg_th_config = &config_val.pauseable_th;
2285 		else
2286 			reg_th_config = &config_val.non_pauseable_th;
2287 	} else
2288 		reg_th_config = &config_val.default_class1;
2289 	/* The number of free blocks below which the pause signal to
2290 	 * class 1 of MAC #n is asserted. n=0,1
2291 	 */
2292 	REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2293 	       BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2294 	       reg_th_config->pause_xoff);
2295 
2296 	/* The number of free blocks above which the pause signal to
2297 	 * class 1 of MAC #n is de-asserted. n=0,1
2298 	 */
2299 	REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2300 	       BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2301 	       reg_th_config->pause_xon);
2302 	/* The number of free blocks below which the full signal to
2303 	 * class 1 of MAC #n is asserted. n=0,1
2304 	 */
2305 	REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2306 	       BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2307 	       reg_th_config->full_xoff);
2308 	/* The number of free blocks above which the full signal to
2309 	 * class 1 of MAC #n is de-asserted. n=0,1
2310 	 */
2311 	REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2312 	       BRB1_REG_FULL_1_XON_THRESHOLD_0,
2313 	       reg_th_config->full_xon);
2314 
2315 	if (CHIP_IS_E3B0(bp)) {
2316 		bnx2x_pfc_brb_get_e3b0_config_params(
2317 			params,
2318 			&e3b0_val,
2319 			pfc_params,
2320 			pfc_enabled);
2321 
2322 		REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
2323 			   e3b0_val.per_class_guaranty_mode);
2324 
2325 		/* The hysteresis on the guarantied buffer space for the Lb
2326 		 * port before signaling XON.
2327 		 */
2328 		REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
2329 			   e3b0_val.lb_guarantied_hyst);
2330 
2331 		/* The number of free blocks below which the full signal to the
2332 		 * LB port is asserted.
2333 		 */
2334 		REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2335 		       e3b0_val.full_lb_xoff_th);
2336 		/* The number of free blocks above which the full signal to the
2337 		 * LB port is de-asserted.
2338 		 */
2339 		REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2340 		       e3b0_val.full_lb_xon_threshold);
2341 		/* The number of blocks guarantied for the MAC #n port. n=0,1
2342 		 */
2343 
2344 		/* The number of blocks guarantied for the LB port. */
2345 		REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2346 		       e3b0_val.lb_guarantied);
2347 
2348 		/* The number of blocks guarantied for the MAC #n port. */
2349 		REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2350 		       2 * e3b0_val.mac_0_class_t_guarantied);
2351 		REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2352 		       2 * e3b0_val.mac_1_class_t_guarantied);
2353 		/* The number of blocks guarantied for class #t in MAC0. t=0,1
2354 		 */
2355 		REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2356 		       e3b0_val.mac_0_class_t_guarantied);
2357 		REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2358 		       e3b0_val.mac_0_class_t_guarantied);
2359 		/* The hysteresis on the guarantied buffer space for class in
2360 		 * MAC0.  t=0,1
2361 		 */
2362 		REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2363 		       e3b0_val.mac_0_class_t_guarantied_hyst);
2364 		REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2365 		       e3b0_val.mac_0_class_t_guarantied_hyst);
2366 
2367 		/* The number of blocks guarantied for class #t in MAC1.t=0,1
2368 		 */
2369 		REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2370 		       e3b0_val.mac_1_class_t_guarantied);
2371 		REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2372 		       e3b0_val.mac_1_class_t_guarantied);
2373 		/* The hysteresis on the guarantied buffer space for class #t
2374 		 * in MAC1.  t=0,1
2375 		 */
2376 		REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2377 		       e3b0_val.mac_1_class_t_guarantied_hyst);
2378 		REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2379 		       e3b0_val.mac_1_class_t_guarantied_hyst);
2380 	}
2381 
2382 	return bnx2x_status;
2383 }
2384 
2385 /******************************************************************************
2386 * Description:
2387 *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2388 *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2389 ******************************************************************************/
2390 int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2391 					      u8 cos_entry,
2392 					      u32 priority_mask, u8 port)
2393 {
2394 	u32 nig_reg_rx_priority_mask_add = 0;
2395 
2396 	switch (cos_entry) {
2397 	case 0:
2398 	     nig_reg_rx_priority_mask_add = (port) ?
2399 		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2400 		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2401 	     break;
2402 	case 1:
2403 	    nig_reg_rx_priority_mask_add = (port) ?
2404 		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2405 		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2406 	    break;
2407 	case 2:
2408 	    nig_reg_rx_priority_mask_add = (port) ?
2409 		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2410 		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2411 	    break;
2412 	case 3:
2413 	    if (port)
2414 		return -EINVAL;
2415 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2416 	    break;
2417 	case 4:
2418 	    if (port)
2419 		return -EINVAL;
2420 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2421 	    break;
2422 	case 5:
2423 	    if (port)
2424 		return -EINVAL;
2425 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2426 	    break;
2427 	}
2428 
2429 	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2430 
2431 	return 0;
2432 }
2433 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2434 {
2435 	struct bnx2x *bp = params->bp;
2436 
2437 	REG_WR(bp, params->shmem_base +
2438 	       offsetof(struct shmem_region,
2439 			port_mb[params->port].link_status), link_status);
2440 }
2441 
2442 static void bnx2x_update_pfc_nig(struct link_params *params,
2443 		struct link_vars *vars,
2444 		struct bnx2x_nig_brb_pfc_port_params *nig_params)
2445 {
2446 	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2447 	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2448 	u32 pkt_priority_to_cos = 0;
2449 	struct bnx2x *bp = params->bp;
2450 	u8 port = params->port;
2451 
2452 	int set_pfc = params->feature_config_flags &
2453 		FEATURE_CONFIG_PFC_ENABLED;
2454 	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2455 
2456 	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2457 	 * MAC control frames (that are not pause packets)
2458 	 * will be forwarded to the XCM.
2459 	 */
2460 	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2461 			  NIG_REG_LLH0_XCM_MASK);
2462 	/* NIG params will override non PFC params, since it's possible to
2463 	 * do transition from PFC to SAFC
2464 	 */
2465 	if (set_pfc) {
2466 		pause_enable = 0;
2467 		llfc_out_en = 0;
2468 		llfc_enable = 0;
2469 		if (CHIP_IS_E3(bp))
2470 			ppp_enable = 0;
2471 		else
2472 		ppp_enable = 1;
2473 		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2474 				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2475 		xcm_out_en = 0;
2476 		hwpfc_enable = 1;
2477 	} else  {
2478 		if (nig_params) {
2479 			llfc_out_en = nig_params->llfc_out_en;
2480 			llfc_enable = nig_params->llfc_enable;
2481 			pause_enable = nig_params->pause_enable;
2482 		} else  /* Default non PFC mode - PAUSE */
2483 			pause_enable = 1;
2484 
2485 		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2486 			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2487 		xcm_out_en = 1;
2488 	}
2489 
2490 	if (CHIP_IS_E3(bp))
2491 		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2492 		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2493 	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2494 	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2495 	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2496 	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2497 	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2498 	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2499 
2500 	REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2501 	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2502 
2503 	REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2504 	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2505 
2506 	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2507 	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2508 
2509 	/* output enable for RX_XCM # IF */
2510 	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2511 	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2512 
2513 	/* HW PFC TX enable */
2514 	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2515 	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2516 
2517 	if (nig_params) {
2518 		u8 i = 0;
2519 		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2520 
2521 		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2522 			bnx2x_pfc_nig_rx_priority_mask(bp, i,
2523 		nig_params->rx_cos_priority_mask[i], port);
2524 
2525 		REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2526 		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2527 		       nig_params->llfc_high_priority_classes);
2528 
2529 		REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2530 		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2531 		       nig_params->llfc_low_priority_classes);
2532 	}
2533 	REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2534 	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2535 	       pkt_priority_to_cos);
2536 }
2537 
2538 int bnx2x_update_pfc(struct link_params *params,
2539 		      struct link_vars *vars,
2540 		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2541 {
2542 	/* The PFC and pause are orthogonal to one another, meaning when
2543 	 * PFC is enabled, the pause are disabled, and when PFC is
2544 	 * disabled, pause are set according to the pause result.
2545 	 */
2546 	u32 val;
2547 	struct bnx2x *bp = params->bp;
2548 	int bnx2x_status = 0;
2549 	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2550 
2551 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2552 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2553 	else
2554 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2555 
2556 	bnx2x_update_mng(params, vars->link_status);
2557 
2558 	/* update NIG params */
2559 	bnx2x_update_pfc_nig(params, vars, pfc_params);
2560 
2561 	/* update BRB params */
2562 	bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2563 	if (bnx2x_status)
2564 		return bnx2x_status;
2565 
2566 	if (!vars->link_up)
2567 		return bnx2x_status;
2568 
2569 	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2570 	if (CHIP_IS_E3(bp))
2571 		bnx2x_update_pfc_xmac(params, vars, 0);
2572 	else {
2573 		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2574 		if ((val &
2575 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2576 		    == 0) {
2577 			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2578 			bnx2x_emac_enable(params, vars, 0);
2579 			return bnx2x_status;
2580 		}
2581 		if (CHIP_IS_E2(bp))
2582 			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2583 		else
2584 			bnx2x_update_pfc_bmac1(params, vars);
2585 
2586 		val = 0;
2587 		if ((params->feature_config_flags &
2588 		     FEATURE_CONFIG_PFC_ENABLED) ||
2589 		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2590 			val = 1;
2591 		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2592 	}
2593 	return bnx2x_status;
2594 }
2595 
2596 
2597 static int bnx2x_bmac1_enable(struct link_params *params,
2598 			      struct link_vars *vars,
2599 			      u8 is_lb)
2600 {
2601 	struct bnx2x *bp = params->bp;
2602 	u8 port = params->port;
2603 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2604 			       NIG_REG_INGRESS_BMAC0_MEM;
2605 	u32 wb_data[2];
2606 	u32 val;
2607 
2608 	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2609 
2610 	/* XGXS control */
2611 	wb_data[0] = 0x3c;
2612 	wb_data[1] = 0;
2613 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2614 		    wb_data, 2);
2615 
2616 	/* tx MAC SA */
2617 	wb_data[0] = ((params->mac_addr[2] << 24) |
2618 		       (params->mac_addr[3] << 16) |
2619 		       (params->mac_addr[4] << 8) |
2620 			params->mac_addr[5]);
2621 	wb_data[1] = ((params->mac_addr[0] << 8) |
2622 			params->mac_addr[1]);
2623 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2624 
2625 	/* mac control */
2626 	val = 0x3;
2627 	if (is_lb) {
2628 		val |= 0x4;
2629 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2630 	}
2631 	wb_data[0] = val;
2632 	wb_data[1] = 0;
2633 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2634 
2635 	/* set rx mtu */
2636 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2637 	wb_data[1] = 0;
2638 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2639 
2640 	bnx2x_update_pfc_bmac1(params, vars);
2641 
2642 	/* set tx mtu */
2643 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2644 	wb_data[1] = 0;
2645 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2646 
2647 	/* set cnt max size */
2648 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2649 	wb_data[1] = 0;
2650 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2651 
2652 	/* configure safc */
2653 	wb_data[0] = 0x1000200;
2654 	wb_data[1] = 0;
2655 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2656 		    wb_data, 2);
2657 
2658 	return 0;
2659 }
2660 
2661 static int bnx2x_bmac2_enable(struct link_params *params,
2662 			      struct link_vars *vars,
2663 			      u8 is_lb)
2664 {
2665 	struct bnx2x *bp = params->bp;
2666 	u8 port = params->port;
2667 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2668 			       NIG_REG_INGRESS_BMAC0_MEM;
2669 	u32 wb_data[2];
2670 
2671 	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2672 
2673 	wb_data[0] = 0;
2674 	wb_data[1] = 0;
2675 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2676 	udelay(30);
2677 
2678 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2679 	wb_data[0] = 0x3c;
2680 	wb_data[1] = 0;
2681 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2682 		    wb_data, 2);
2683 
2684 	udelay(30);
2685 
2686 	/* tx MAC SA */
2687 	wb_data[0] = ((params->mac_addr[2] << 24) |
2688 		       (params->mac_addr[3] << 16) |
2689 		       (params->mac_addr[4] << 8) |
2690 			params->mac_addr[5]);
2691 	wb_data[1] = ((params->mac_addr[0] << 8) |
2692 			params->mac_addr[1]);
2693 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2694 		    wb_data, 2);
2695 
2696 	udelay(30);
2697 
2698 	/* Configure SAFC */
2699 	wb_data[0] = 0x1000200;
2700 	wb_data[1] = 0;
2701 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2702 		    wb_data, 2);
2703 	udelay(30);
2704 
2705 	/* set rx mtu */
2706 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2707 	wb_data[1] = 0;
2708 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2709 	udelay(30);
2710 
2711 	/* set tx mtu */
2712 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2713 	wb_data[1] = 0;
2714 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2715 	udelay(30);
2716 	/* set cnt max size */
2717 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2718 	wb_data[1] = 0;
2719 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2720 	udelay(30);
2721 	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2722 
2723 	return 0;
2724 }
2725 
2726 static int bnx2x_bmac_enable(struct link_params *params,
2727 			     struct link_vars *vars,
2728 			     u8 is_lb)
2729 {
2730 	int rc = 0;
2731 	u8 port = params->port;
2732 	struct bnx2x *bp = params->bp;
2733 	u32 val;
2734 	/* reset and unreset the BigMac */
2735 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2736 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2737 	msleep(1);
2738 
2739 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2740 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2741 
2742 	/* enable access for bmac registers */
2743 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2744 
2745 	/* Enable BMAC according to BMAC type*/
2746 	if (CHIP_IS_E2(bp))
2747 		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2748 	else
2749 		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2750 	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2751 	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2752 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2753 	val = 0;
2754 	if ((params->feature_config_flags &
2755 	      FEATURE_CONFIG_PFC_ENABLED) ||
2756 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2757 		val = 1;
2758 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2759 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2760 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2761 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2762 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2763 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2764 
2765 	vars->mac_type = MAC_TYPE_BMAC;
2766 	return rc;
2767 }
2768 
2769 static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2770 {
2771 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2772 			NIG_REG_INGRESS_BMAC0_MEM;
2773 	u32 wb_data[2];
2774 	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2775 
2776 	/* Only if the bmac is out of reset */
2777 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2778 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2779 	    nig_bmac_enable) {
2780 
2781 		if (CHIP_IS_E2(bp)) {
2782 			/* Clear Rx Enable bit in BMAC_CONTROL register */
2783 			REG_RD_DMAE(bp, bmac_addr +
2784 				    BIGMAC2_REGISTER_BMAC_CONTROL,
2785 				    wb_data, 2);
2786 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2787 			REG_WR_DMAE(bp, bmac_addr +
2788 				    BIGMAC2_REGISTER_BMAC_CONTROL,
2789 				    wb_data, 2);
2790 		} else {
2791 			/* Clear Rx Enable bit in BMAC_CONTROL register */
2792 			REG_RD_DMAE(bp, bmac_addr +
2793 					BIGMAC_REGISTER_BMAC_CONTROL,
2794 					wb_data, 2);
2795 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2796 			REG_WR_DMAE(bp, bmac_addr +
2797 					BIGMAC_REGISTER_BMAC_CONTROL,
2798 					wb_data, 2);
2799 		}
2800 		msleep(1);
2801 	}
2802 }
2803 
2804 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2805 			    u32 line_speed)
2806 {
2807 	struct bnx2x *bp = params->bp;
2808 	u8 port = params->port;
2809 	u32 init_crd, crd;
2810 	u32 count = 1000;
2811 
2812 	/* disable port */
2813 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2814 
2815 	/* wait for init credit */
2816 	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2817 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2818 	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2819 
2820 	while ((init_crd != crd) && count) {
2821 		msleep(5);
2822 
2823 		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2824 		count--;
2825 	}
2826 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2827 	if (init_crd != crd) {
2828 		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2829 			  init_crd, crd);
2830 		return -EINVAL;
2831 	}
2832 
2833 	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2834 	    line_speed == SPEED_10 ||
2835 	    line_speed == SPEED_100 ||
2836 	    line_speed == SPEED_1000 ||
2837 	    line_speed == SPEED_2500) {
2838 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2839 		/* update threshold */
2840 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2841 		/* update init credit */
2842 		init_crd = 778;		/* (800-18-4) */
2843 
2844 	} else {
2845 		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2846 			      ETH_OVREHEAD)/16;
2847 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2848 		/* update threshold */
2849 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2850 		/* update init credit */
2851 		switch (line_speed) {
2852 		case SPEED_10000:
2853 			init_crd = thresh + 553 - 22;
2854 			break;
2855 		default:
2856 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2857 				  line_speed);
2858 			return -EINVAL;
2859 		}
2860 	}
2861 	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2862 	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2863 		 line_speed, init_crd);
2864 
2865 	/* probe the credit changes */
2866 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2867 	msleep(5);
2868 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2869 
2870 	/* enable port */
2871 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2872 	return 0;
2873 }
2874 
2875 /**
2876  * bnx2x_get_emac_base - retrive emac base address
2877  *
2878  * @bp:			driver handle
2879  * @mdc_mdio_access:	access type
2880  * @port:		port id
2881  *
2882  * This function selects the MDC/MDIO access (through emac0 or
2883  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2884  * phy has a default access mode, which could also be overridden
2885  * by nvram configuration. This parameter, whether this is the
2886  * default phy configuration, or the nvram overrun
2887  * configuration, is passed here as mdc_mdio_access and selects
2888  * the emac_base for the CL45 read/writes operations
2889  */
2890 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2891 			       u32 mdc_mdio_access, u8 port)
2892 {
2893 	u32 emac_base = 0;
2894 	switch (mdc_mdio_access) {
2895 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2896 		break;
2897 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2898 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2899 			emac_base = GRCBASE_EMAC1;
2900 		else
2901 			emac_base = GRCBASE_EMAC0;
2902 		break;
2903 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2904 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2905 			emac_base = GRCBASE_EMAC0;
2906 		else
2907 			emac_base = GRCBASE_EMAC1;
2908 		break;
2909 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2910 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2911 		break;
2912 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2913 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2914 		break;
2915 	default:
2916 		break;
2917 	}
2918 	return emac_base;
2919 
2920 }
2921 
2922 /******************************************************************/
2923 /*			CL22 access functions			  */
2924 /******************************************************************/
2925 static int bnx2x_cl22_write(struct bnx2x *bp,
2926 				       struct bnx2x_phy *phy,
2927 				       u16 reg, u16 val)
2928 {
2929 	u32 tmp, mode;
2930 	u8 i;
2931 	int rc = 0;
2932 	/* Switch to CL22 */
2933 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2934 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2935 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2936 
2937 	/* address */
2938 	tmp = ((phy->addr << 21) | (reg << 16) | val |
2939 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2940 	       EMAC_MDIO_COMM_START_BUSY);
2941 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2942 
2943 	for (i = 0; i < 50; i++) {
2944 		udelay(10);
2945 
2946 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2947 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2948 			udelay(5);
2949 			break;
2950 		}
2951 	}
2952 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2953 		DP(NETIF_MSG_LINK, "write phy register failed\n");
2954 		rc = -EFAULT;
2955 	}
2956 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2957 	return rc;
2958 }
2959 
2960 static int bnx2x_cl22_read(struct bnx2x *bp,
2961 				      struct bnx2x_phy *phy,
2962 				      u16 reg, u16 *ret_val)
2963 {
2964 	u32 val, mode;
2965 	u16 i;
2966 	int rc = 0;
2967 
2968 	/* Switch to CL22 */
2969 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2970 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2971 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2972 
2973 	/* address */
2974 	val = ((phy->addr << 21) | (reg << 16) |
2975 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
2976 	       EMAC_MDIO_COMM_START_BUSY);
2977 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2978 
2979 	for (i = 0; i < 50; i++) {
2980 		udelay(10);
2981 
2982 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2983 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2984 			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2985 			udelay(5);
2986 			break;
2987 		}
2988 	}
2989 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2990 		DP(NETIF_MSG_LINK, "read phy register failed\n");
2991 
2992 		*ret_val = 0;
2993 		rc = -EFAULT;
2994 	}
2995 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2996 	return rc;
2997 }
2998 
2999 /******************************************************************/
3000 /*			CL45 access functions			  */
3001 /******************************************************************/
3002 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
3003 			   u8 devad, u16 reg, u16 *ret_val)
3004 {
3005 	u32 val;
3006 	u16 i;
3007 	int rc = 0;
3008 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3009 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3010 			      EMAC_MDIO_STATUS_10MB);
3011 	/* address */
3012 	val = ((phy->addr << 21) | (devad << 16) | reg |
3013 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3014 	       EMAC_MDIO_COMM_START_BUSY);
3015 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3016 
3017 	for (i = 0; i < 50; i++) {
3018 		udelay(10);
3019 
3020 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3021 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3022 			udelay(5);
3023 			break;
3024 		}
3025 	}
3026 	if (val & EMAC_MDIO_COMM_START_BUSY) {
3027 		DP(NETIF_MSG_LINK, "read phy register failed\n");
3028 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3029 		*ret_val = 0;
3030 		rc = -EFAULT;
3031 	} else {
3032 		/* data */
3033 		val = ((phy->addr << 21) | (devad << 16) |
3034 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
3035 		       EMAC_MDIO_COMM_START_BUSY);
3036 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3037 
3038 		for (i = 0; i < 50; i++) {
3039 			udelay(10);
3040 
3041 			val = REG_RD(bp, phy->mdio_ctrl +
3042 				     EMAC_REG_EMAC_MDIO_COMM);
3043 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3044 				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3045 				break;
3046 			}
3047 		}
3048 		if (val & EMAC_MDIO_COMM_START_BUSY) {
3049 			DP(NETIF_MSG_LINK, "read phy register failed\n");
3050 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3051 			*ret_val = 0;
3052 			rc = -EFAULT;
3053 		}
3054 	}
3055 	/* Work around for E3 A0 */
3056 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
3057 		phy->flags ^= FLAGS_DUMMY_READ;
3058 		if (phy->flags & FLAGS_DUMMY_READ) {
3059 			u16 temp_val;
3060 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3061 		}
3062 	}
3063 
3064 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3065 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3066 			       EMAC_MDIO_STATUS_10MB);
3067 	return rc;
3068 }
3069 
3070 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3071 			    u8 devad, u16 reg, u16 val)
3072 {
3073 	u32 tmp;
3074 	u8 i;
3075 	int rc = 0;
3076 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3077 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3078 			      EMAC_MDIO_STATUS_10MB);
3079 
3080 	/* address */
3081 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
3082 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3083 	       EMAC_MDIO_COMM_START_BUSY);
3084 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3085 
3086 	for (i = 0; i < 50; i++) {
3087 		udelay(10);
3088 
3089 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3090 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3091 			udelay(5);
3092 			break;
3093 		}
3094 	}
3095 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3096 		DP(NETIF_MSG_LINK, "write phy register failed\n");
3097 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3098 		rc = -EFAULT;
3099 	} else {
3100 		/* data */
3101 		tmp = ((phy->addr << 21) | (devad << 16) | val |
3102 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3103 		       EMAC_MDIO_COMM_START_BUSY);
3104 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3105 
3106 		for (i = 0; i < 50; i++) {
3107 			udelay(10);
3108 
3109 			tmp = REG_RD(bp, phy->mdio_ctrl +
3110 				     EMAC_REG_EMAC_MDIO_COMM);
3111 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3112 				udelay(5);
3113 				break;
3114 			}
3115 		}
3116 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3117 			DP(NETIF_MSG_LINK, "write phy register failed\n");
3118 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3119 			rc = -EFAULT;
3120 		}
3121 	}
3122 	/* Work around for E3 A0 */
3123 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
3124 		phy->flags ^= FLAGS_DUMMY_READ;
3125 		if (phy->flags & FLAGS_DUMMY_READ) {
3126 			u16 temp_val;
3127 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3128 		}
3129 	}
3130 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3131 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3132 			       EMAC_MDIO_STATUS_10MB);
3133 	return rc;
3134 }
3135 /******************************************************************/
3136 /*			BSC access functions from E3	          */
3137 /******************************************************************/
3138 static void bnx2x_bsc_module_sel(struct link_params *params)
3139 {
3140 	int idx;
3141 	u32 board_cfg, sfp_ctrl;
3142 	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3143 	struct bnx2x *bp = params->bp;
3144 	u8 port = params->port;
3145 	/* Read I2C output PINs */
3146 	board_cfg = REG_RD(bp, params->shmem_base +
3147 			   offsetof(struct shmem_region,
3148 				    dev_info.shared_hw_config.board));
3149 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3150 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3151 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3152 
3153 	/* Read I2C output value */
3154 	sfp_ctrl = REG_RD(bp, params->shmem_base +
3155 			  offsetof(struct shmem_region,
3156 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3157 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3158 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3159 	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3160 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3161 		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3162 }
3163 
3164 static int bnx2x_bsc_read(struct link_params *params,
3165 			  struct bnx2x_phy *phy,
3166 			  u8 sl_devid,
3167 			  u16 sl_addr,
3168 			  u8 lc_addr,
3169 			  u8 xfer_cnt,
3170 			  u32 *data_array)
3171 {
3172 	u32 val, i;
3173 	int rc = 0;
3174 	struct bnx2x *bp = params->bp;
3175 
3176 	if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3177 		DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3178 		return -EINVAL;
3179 	}
3180 
3181 	if (xfer_cnt > 16) {
3182 		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3183 					xfer_cnt);
3184 		return -EINVAL;
3185 	}
3186 	bnx2x_bsc_module_sel(params);
3187 
3188 	xfer_cnt = 16 - lc_addr;
3189 
3190 	/* enable the engine */
3191 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3192 	val |= MCPR_IMC_COMMAND_ENABLE;
3193 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3194 
3195 	/* program slave device ID */
3196 	val = (sl_devid << 16) | sl_addr;
3197 	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3198 
3199 	/* start xfer with 0 byte to update the address pointer ???*/
3200 	val = (MCPR_IMC_COMMAND_ENABLE) |
3201 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3202 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3203 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3204 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3205 
3206 	/* poll for completion */
3207 	i = 0;
3208 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3209 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3210 		udelay(10);
3211 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3212 		if (i++ > 1000) {
3213 			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3214 								i);
3215 			rc = -EFAULT;
3216 			break;
3217 		}
3218 	}
3219 	if (rc == -EFAULT)
3220 		return rc;
3221 
3222 	/* start xfer with read op */
3223 	val = (MCPR_IMC_COMMAND_ENABLE) |
3224 		(MCPR_IMC_COMMAND_READ_OP <<
3225 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3226 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3227 		  (xfer_cnt);
3228 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3229 
3230 	/* poll for completion */
3231 	i = 0;
3232 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3233 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3234 		udelay(10);
3235 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3236 		if (i++ > 1000) {
3237 			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3238 			rc = -EFAULT;
3239 			break;
3240 		}
3241 	}
3242 	if (rc == -EFAULT)
3243 		return rc;
3244 
3245 	for (i = (lc_addr >> 2); i < 4; i++) {
3246 		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3247 #ifdef __BIG_ENDIAN
3248 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3249 				((data_array[i] & 0x0000ff00) << 8) |
3250 				((data_array[i] & 0x00ff0000) >> 8) |
3251 				((data_array[i] & 0xff000000) >> 24);
3252 #endif
3253 	}
3254 	return rc;
3255 }
3256 
3257 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3258 				     u8 devad, u16 reg, u16 or_val)
3259 {
3260 	u16 val;
3261 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3262 	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3263 }
3264 
3265 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3266 		   u8 devad, u16 reg, u16 *ret_val)
3267 {
3268 	u8 phy_index;
3269 	/* Probe for the phy according to the given phy_addr, and execute
3270 	 * the read request on it
3271 	 */
3272 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3273 		if (params->phy[phy_index].addr == phy_addr) {
3274 			return bnx2x_cl45_read(params->bp,
3275 					       &params->phy[phy_index], devad,
3276 					       reg, ret_val);
3277 		}
3278 	}
3279 	return -EINVAL;
3280 }
3281 
3282 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3283 		    u8 devad, u16 reg, u16 val)
3284 {
3285 	u8 phy_index;
3286 	/* Probe for the phy according to the given phy_addr, and execute
3287 	 * the write request on it
3288 	 */
3289 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3290 		if (params->phy[phy_index].addr == phy_addr) {
3291 			return bnx2x_cl45_write(params->bp,
3292 						&params->phy[phy_index], devad,
3293 						reg, val);
3294 		}
3295 	}
3296 	return -EINVAL;
3297 }
3298 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3299 				  struct link_params *params)
3300 {
3301 	u8 lane = 0;
3302 	struct bnx2x *bp = params->bp;
3303 	u32 path_swap, path_swap_ovr;
3304 	u8 path, port;
3305 
3306 	path = BP_PATH(bp);
3307 	port = params->port;
3308 
3309 	if (bnx2x_is_4_port_mode(bp)) {
3310 		u32 port_swap, port_swap_ovr;
3311 
3312 		/* Figure out path swap value */
3313 		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3314 		if (path_swap_ovr & 0x1)
3315 			path_swap = (path_swap_ovr & 0x2);
3316 		else
3317 			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3318 
3319 		if (path_swap)
3320 			path = path ^ 1;
3321 
3322 		/* Figure out port swap value */
3323 		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3324 		if (port_swap_ovr & 0x1)
3325 			port_swap = (port_swap_ovr & 0x2);
3326 		else
3327 			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3328 
3329 		if (port_swap)
3330 			port = port ^ 1;
3331 
3332 		lane = (port<<1) + path;
3333 	} else { /* two port mode - no port swap */
3334 
3335 		/* Figure out path swap value */
3336 		path_swap_ovr =
3337 			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3338 		if (path_swap_ovr & 0x1) {
3339 			path_swap = (path_swap_ovr & 0x2);
3340 		} else {
3341 			path_swap =
3342 				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3343 		}
3344 		if (path_swap)
3345 			path = path ^ 1;
3346 
3347 		lane = path << 1 ;
3348 	}
3349 	return lane;
3350 }
3351 
3352 static void bnx2x_set_aer_mmd(struct link_params *params,
3353 			      struct bnx2x_phy *phy)
3354 {
3355 	u32 ser_lane;
3356 	u16 offset, aer_val;
3357 	struct bnx2x *bp = params->bp;
3358 	ser_lane = ((params->lane_config &
3359 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3360 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3361 
3362 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3363 		(phy->addr + ser_lane) : 0;
3364 
3365 	if (USES_WARPCORE(bp)) {
3366 		aer_val = bnx2x_get_warpcore_lane(phy, params);
3367 		/* In Dual-lane mode, two lanes are joined together,
3368 		 * so in order to configure them, the AER broadcast method is
3369 		 * used here.
3370 		 * 0x200 is the broadcast address for lanes 0,1
3371 		 * 0x201 is the broadcast address for lanes 2,3
3372 		 */
3373 		if (phy->flags & FLAGS_WC_DUAL_MODE)
3374 			aer_val = (aer_val >> 1) | 0x200;
3375 	} else if (CHIP_IS_E2(bp))
3376 		aer_val = 0x3800 + offset - 1;
3377 	else
3378 		aer_val = 0x3800 + offset;
3379 
3380 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3381 			  MDIO_AER_BLOCK_AER_REG, aer_val);
3382 
3383 }
3384 
3385 /******************************************************************/
3386 /*			Internal phy section			  */
3387 /******************************************************************/
3388 
3389 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3390 {
3391 	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3392 
3393 	/* Set Clause 22 */
3394 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3395 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3396 	udelay(500);
3397 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3398 	udelay(500);
3399 	 /* Set Clause 45 */
3400 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3401 }
3402 
3403 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3404 {
3405 	u32 val;
3406 
3407 	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3408 
3409 	val = SERDES_RESET_BITS << (port*16);
3410 
3411 	/* reset and unreset the SerDes/XGXS */
3412 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3413 	udelay(500);
3414 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3415 
3416 	bnx2x_set_serdes_access(bp, port);
3417 
3418 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3419 	       DEFAULT_PHY_DEV_ADDR);
3420 }
3421 
3422 static void bnx2x_xgxs_deassert(struct link_params *params)
3423 {
3424 	struct bnx2x *bp = params->bp;
3425 	u8 port;
3426 	u32 val;
3427 	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3428 	port = params->port;
3429 
3430 	val = XGXS_RESET_BITS << (port*16);
3431 
3432 	/* reset and unreset the SerDes/XGXS */
3433 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3434 	udelay(500);
3435 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3436 
3437 	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
3438 	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
3439 	       params->phy[INT_PHY].def_md_devad);
3440 }
3441 
3442 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3443 				     struct link_params *params, u16 *ieee_fc)
3444 {
3445 	struct bnx2x *bp = params->bp;
3446 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3447 	/* Resolve pause mode and advertisement Please refer to Table
3448 	 * 28B-3 of the 802.3ab-1999 spec
3449 	 */
3450 
3451 	switch (phy->req_flow_ctrl) {
3452 	case BNX2X_FLOW_CTRL_AUTO:
3453 		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3454 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3455 		else
3456 			*ieee_fc |=
3457 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3458 		break;
3459 
3460 	case BNX2X_FLOW_CTRL_TX:
3461 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3462 		break;
3463 
3464 	case BNX2X_FLOW_CTRL_RX:
3465 	case BNX2X_FLOW_CTRL_BOTH:
3466 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3467 		break;
3468 
3469 	case BNX2X_FLOW_CTRL_NONE:
3470 	default:
3471 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3472 		break;
3473 	}
3474 	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3475 }
3476 
3477 static void set_phy_vars(struct link_params *params,
3478 			 struct link_vars *vars)
3479 {
3480 	struct bnx2x *bp = params->bp;
3481 	u8 actual_phy_idx, phy_index, link_cfg_idx;
3482 	u8 phy_config_swapped = params->multi_phy_config &
3483 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3484 	for (phy_index = INT_PHY; phy_index < params->num_phys;
3485 	      phy_index++) {
3486 		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3487 		actual_phy_idx = phy_index;
3488 		if (phy_config_swapped) {
3489 			if (phy_index == EXT_PHY1)
3490 				actual_phy_idx = EXT_PHY2;
3491 			else if (phy_index == EXT_PHY2)
3492 				actual_phy_idx = EXT_PHY1;
3493 		}
3494 		params->phy[actual_phy_idx].req_flow_ctrl =
3495 			params->req_flow_ctrl[link_cfg_idx];
3496 
3497 		params->phy[actual_phy_idx].req_line_speed =
3498 			params->req_line_speed[link_cfg_idx];
3499 
3500 		params->phy[actual_phy_idx].speed_cap_mask =
3501 			params->speed_cap_mask[link_cfg_idx];
3502 
3503 		params->phy[actual_phy_idx].req_duplex =
3504 			params->req_duplex[link_cfg_idx];
3505 
3506 		if (params->req_line_speed[link_cfg_idx] ==
3507 		    SPEED_AUTO_NEG)
3508 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3509 
3510 		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3511 			   " speed_cap_mask %x\n",
3512 			   params->phy[actual_phy_idx].req_flow_ctrl,
3513 			   params->phy[actual_phy_idx].req_line_speed,
3514 			   params->phy[actual_phy_idx].speed_cap_mask);
3515 	}
3516 }
3517 
3518 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3519 				    struct bnx2x_phy *phy,
3520 				    struct link_vars *vars)
3521 {
3522 	u16 val;
3523 	struct bnx2x *bp = params->bp;
3524 	/* read modify write pause advertizing */
3525 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3526 
3527 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3528 
3529 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3530 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3531 	if ((vars->ieee_fc &
3532 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3533 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3534 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3535 	}
3536 	if ((vars->ieee_fc &
3537 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3538 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3539 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3540 	}
3541 	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3542 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3543 }
3544 
3545 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3546 {						/*  LD	    LP	 */
3547 	switch (pause_result) {			/* ASYM P ASYM P */
3548 	case 0xb:				/*   1  0   1  1 */
3549 		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3550 		break;
3551 
3552 	case 0xe:				/*   1  1   1  0 */
3553 		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3554 		break;
3555 
3556 	case 0x5:				/*   0  1   0  1 */
3557 	case 0x7:				/*   0  1   1  1 */
3558 	case 0xd:				/*   1  1   0  1 */
3559 	case 0xf:				/*   1  1   1  1 */
3560 		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3561 		break;
3562 
3563 	default:
3564 		break;
3565 	}
3566 	if (pause_result & (1<<0))
3567 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3568 	if (pause_result & (1<<1))
3569 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3570 
3571 }
3572 
3573 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3574 					struct link_params *params,
3575 					struct link_vars *vars)
3576 {
3577 	u16 ld_pause;		/* local */
3578 	u16 lp_pause;		/* link partner */
3579 	u16 pause_result;
3580 	struct bnx2x *bp = params->bp;
3581 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3582 		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3583 		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3584 	} else if (CHIP_IS_E3(bp) &&
3585 		SINGLE_MEDIA_DIRECT(params)) {
3586 		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3587 		u16 gp_status, gp_mask;
3588 		bnx2x_cl45_read(bp, phy,
3589 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3590 				&gp_status);
3591 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3592 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3593 			lane;
3594 		if ((gp_status & gp_mask) == gp_mask) {
3595 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3596 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3597 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3598 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3599 		} else {
3600 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3601 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3602 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3603 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3604 			ld_pause = ((ld_pause &
3605 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3606 				    << 3);
3607 			lp_pause = ((lp_pause &
3608 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3609 				    << 3);
3610 		}
3611 	} else {
3612 		bnx2x_cl45_read(bp, phy,
3613 				MDIO_AN_DEVAD,
3614 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3615 		bnx2x_cl45_read(bp, phy,
3616 				MDIO_AN_DEVAD,
3617 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3618 	}
3619 	pause_result = (ld_pause &
3620 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3621 	pause_result |= (lp_pause &
3622 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3623 	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3624 	bnx2x_pause_resolve(vars, pause_result);
3625 
3626 }
3627 
3628 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3629 				   struct link_params *params,
3630 				   struct link_vars *vars)
3631 {
3632 	u8 ret = 0;
3633 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3634 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3635 		/* Update the advertised flow-controled of LD/LP in AN */
3636 		if (phy->req_line_speed == SPEED_AUTO_NEG)
3637 			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3638 		/* But set the flow-control result as the requested one */
3639 		vars->flow_ctrl = phy->req_flow_ctrl;
3640 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3641 		vars->flow_ctrl = params->req_fc_auto_adv;
3642 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3643 		ret = 1;
3644 		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3645 	}
3646 	return ret;
3647 }
3648 /******************************************************************/
3649 /*			Warpcore section			  */
3650 /******************************************************************/
3651 /* The init_internal_warpcore should mirror the xgxs,
3652  * i.e. reset the lane (if needed), set aer for the
3653  * init configuration, and set/clear SGMII flag. Internal
3654  * phy init is done purely in phy_init stage.
3655  */
3656 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3657 					struct link_params *params,
3658 					struct link_vars *vars) {
3659 	u16 val16 = 0, lane, bam37 = 0;
3660 	struct bnx2x *bp = params->bp;
3661 	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3662 	/* Set to default registers that may be overriden by 10G force */
3663 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3664 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3665 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3666 			 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3667 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3668 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
3669 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3670 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
3671 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3672 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
3673 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3674 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
3675 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3676 			 MDIO_WC_REG_RX66_CONTROL, 0x7415);
3677 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3678 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
3679 	/* Disable Autoneg: re-enable it after adv is done. */
3680 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3681 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
3682 
3683 	/* Check adding advertisement for 1G KX */
3684 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3685 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3686 	    (vars->line_speed == SPEED_1000)) {
3687 		u16 sd_digital;
3688 		val16 |= (1<<5);
3689 
3690 		/* Enable CL37 1G Parallel Detect */
3691 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3692 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
3693 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3694 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3695 				 (sd_digital | 0x1));
3696 
3697 		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3698 	}
3699 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3700 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3701 	    (vars->line_speed ==  SPEED_10000)) {
3702 		/* Check adding advertisement for 10G KR */
3703 		val16 |= (1<<7);
3704 		/* Enable 10G Parallel Detect */
3705 		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3706 				MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3707 
3708 		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3709 	}
3710 
3711 	/* Set Transmit PMD settings */
3712 	lane = bnx2x_get_warpcore_lane(phy, params);
3713 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3714 		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3715 		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3716 		      (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3717 		      (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3718 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3719 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3720 			 0x03f0);
3721 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3722 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3723 			 0x03f0);
3724 
3725 	/* Advertised speeds */
3726 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3727 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3728 
3729 	/* Advertised and set FEC (Forward Error Correction) */
3730 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3731 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3732 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3733 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3734 
3735 	/* Enable CL37 BAM */
3736 	if (REG_RD(bp, params->shmem_base +
3737 		   offsetof(struct shmem_region, dev_info.
3738 			    port_hw_config[params->port].default_cfg)) &
3739 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3740 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3741 				MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
3742 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3743 			MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
3744 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3745 	}
3746 
3747 	/* Advertise pause */
3748 	bnx2x_ext_phy_set_pause(params, phy, vars);
3749 	/* Set KR Autoneg Work-Around flag for Warpcore version older than D108
3750 	 */
3751 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3752 			MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
3753 	if (val16 < 0xd108) {
3754 		DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
3755 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3756 	}
3757 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3758 			MDIO_WC_REG_DIGITAL5_MISC7, &val16);
3759 
3760 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3761 			 MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
3762 
3763 	/* Over 1G - AN local device user page 1 */
3764 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3765 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3766 
3767 	/* Enable Autoneg */
3768 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3769 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3770 
3771 }
3772 
3773 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3774 				      struct link_params *params,
3775 				      struct link_vars *vars)
3776 {
3777 	struct bnx2x *bp = params->bp;
3778 	u16 val;
3779 
3780 	/* Disable Autoneg */
3781 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3782 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
3783 
3784 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3785 			 MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
3786 
3787 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3788 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
3789 
3790 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3791 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
3792 
3793 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3794 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3795 
3796 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3797 			MDIO_WC_REG_DIGITAL3_UP1, 0x1);
3798 
3799 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3800 			 MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
3801 
3802 	/* Disable CL36 PCS Tx */
3803 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3804 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
3805 
3806 	/* Double Wide Single Data Rate @ pll rate */
3807 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3808 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
3809 
3810 	/* Leave cl72 training enable, needed for KR */
3811 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3812 		MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3813 		0x2);
3814 
3815 	/* Leave CL72 enabled */
3816 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3817 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3818 			 &val);
3819 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3820 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3821 			 val | 0x3800);
3822 
3823 	/* Set speed via PMA/PMD register */
3824 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3825 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3826 
3827 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3828 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3829 
3830 	/* Enable encoded forced speed */
3831 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3832 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3833 
3834 	/* Turn TX scramble payload only the 64/66 scrambler */
3835 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3836 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3837 
3838 	/* Turn RX scramble payload only the 64/66 scrambler */
3839 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3840 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3841 
3842 	/* set and clear loopback to cause a reset to 64/66 decoder */
3843 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3844 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3845 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3846 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3847 
3848 }
3849 
3850 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3851 				       struct link_params *params,
3852 				       u8 is_xfi)
3853 {
3854 	struct bnx2x *bp = params->bp;
3855 	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3856 	/* Hold rxSeqStart */
3857 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3858 			MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3859 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3860 			 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
3861 
3862 	/* Hold tx_fifo_reset */
3863 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3864 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3865 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3866 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
3867 
3868 	/* Disable CL73 AN */
3869 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3870 
3871 	/* Disable 100FX Enable and Auto-Detect */
3872 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3873 			MDIO_WC_REG_FX100_CTRL1, &val);
3874 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3875 			 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3876 
3877 	/* Disable 100FX Idle detect */
3878 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3879 			MDIO_WC_REG_FX100_CTRL3, &val);
3880 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3881 			 MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
3882 
3883 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3884 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3885 			MDIO_WC_REG_DIGITAL4_MISC3, &val);
3886 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3887 			 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3888 
3889 	/* Turn off auto-detect & fiber mode */
3890 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3891 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3892 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3893 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3894 			 (val & 0xFFEE));
3895 
3896 	/* Set filter_force_link, disable_false_link and parallel_detect */
3897 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3898 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3899 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3900 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3901 			 ((val | 0x0006) & 0xFFFE));
3902 
3903 	/* Set XFI / SFI */
3904 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3905 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3906 
3907 	misc1_val &= ~(0x1f);
3908 
3909 	if (is_xfi) {
3910 		misc1_val |= 0x5;
3911 		tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3912 			   (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3913 			   (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3914 		tx_driver_val =
3915 		      ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3916 		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3917 		       (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3918 
3919 	} else {
3920 		misc1_val |= 0x9;
3921 		tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3922 			   (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3923 			   (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3924 		tx_driver_val =
3925 		      ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3926 		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3927 		       (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3928 	}
3929 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3930 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3931 
3932 	/* Set Transmit PMD settings */
3933 	lane = bnx2x_get_warpcore_lane(phy, params);
3934 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3935 			 MDIO_WC_REG_TX_FIR_TAP,
3936 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
3937 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3938 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3939 			 tx_driver_val);
3940 
3941 	/* Enable fiber mode, enable and invert sig_det */
3942 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3943 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3944 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3945 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
3946 
3947 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
3948 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3949 			MDIO_WC_REG_DIGITAL4_MISC3, &val);
3950 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3951 			 MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
3952 
3953 	/* 10G XFI Full Duplex */
3954 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3955 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
3956 
3957 	/* Release tx_fifo_reset */
3958 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3959 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
3960 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3961 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
3962 
3963 	/* Release rxSeqStart */
3964 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3965 			MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
3966 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3967 			 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
3968 }
3969 
3970 static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
3971 				       struct bnx2x_phy *phy)
3972 {
3973 	DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
3974 }
3975 
3976 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
3977 					 struct bnx2x_phy *phy,
3978 					 u16 lane)
3979 {
3980 	/* Rx0 anaRxControl1G */
3981 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3982 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
3983 
3984 	/* Rx2 anaRxControl1G */
3985 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3986 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
3987 
3988 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3989 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
3990 
3991 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3992 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
3993 
3994 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3995 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
3996 
3997 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3998 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
3999 
4000 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4001 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4002 
4003 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4004 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4005 
4006 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4007 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4008 
4009 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4010 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4011 
4012 	/* Serdes Digital Misc1 */
4013 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4014 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4015 
4016 	/* Serdes Digital4 Misc3 */
4017 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4018 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4019 
4020 	/* Set Transmit PMD settings */
4021 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4022 			 MDIO_WC_REG_TX_FIR_TAP,
4023 			((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4024 			 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4025 			 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4026 			 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4027 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4028 		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4029 		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4030 		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4031 		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4032 }
4033 
4034 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4035 					   struct link_params *params,
4036 					   u8 fiber_mode,
4037 					   u8 always_autoneg)
4038 {
4039 	struct bnx2x *bp = params->bp;
4040 	u16 val16, digctrl_kx1, digctrl_kx2;
4041 
4042 	/* Clear XFI clock comp in non-10G single lane mode. */
4043 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4044 			MDIO_WC_REG_RX66_CONTROL, &val16);
4045 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4046 			 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
4047 
4048 	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4049 		/* SGMII Autoneg */
4050 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4051 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4052 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4053 				 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4054 				 val16 | 0x1000);
4055 		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4056 	} else {
4057 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4058 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4059 		val16 &= 0xcebf;
4060 		switch (phy->req_line_speed) {
4061 		case SPEED_10:
4062 			break;
4063 		case SPEED_100:
4064 			val16 |= 0x2000;
4065 			break;
4066 		case SPEED_1000:
4067 			val16 |= 0x0040;
4068 			break;
4069 		default:
4070 			DP(NETIF_MSG_LINK,
4071 			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4072 			return;
4073 		}
4074 
4075 		if (phy->req_duplex == DUPLEX_FULL)
4076 			val16 |= 0x0100;
4077 
4078 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4079 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4080 
4081 		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4082 			       phy->req_line_speed);
4083 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4084 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4085 		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4086 	}
4087 
4088 	/* SGMII Slave mode and disable signal detect */
4089 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4090 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4091 	if (fiber_mode)
4092 		digctrl_kx1 = 1;
4093 	else
4094 		digctrl_kx1 &= 0xff4a;
4095 
4096 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4097 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4098 			digctrl_kx1);
4099 
4100 	/* Turn off parallel detect */
4101 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4102 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4103 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4104 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4105 			(digctrl_kx2 & ~(1<<2)));
4106 
4107 	/* Re-enable parallel detect */
4108 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4109 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4110 			(digctrl_kx2 | (1<<2)));
4111 
4112 	/* Enable autodet */
4113 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4114 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4115 			(digctrl_kx1 | 0x10));
4116 }
4117 
4118 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4119 				      struct bnx2x_phy *phy,
4120 				      u8 reset)
4121 {
4122 	u16 val;
4123 	/* Take lane out of reset after configuration is finished */
4124 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4125 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4126 	if (reset)
4127 		val |= 0xC000;
4128 	else
4129 		val &= 0x3FFF;
4130 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4131 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4132 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4133 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4134 }
4135 /* Clear SFI/XFI link settings registers */
4136 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4137 				      struct link_params *params,
4138 				      u16 lane)
4139 {
4140 	struct bnx2x *bp = params->bp;
4141 	u16 val16;
4142 
4143 	/* Set XFI clock comp as default. */
4144 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4145 			MDIO_WC_REG_RX66_CONTROL, &val16);
4146 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4147 			 MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
4148 
4149 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4150 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4151 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4152 			 MDIO_WC_REG_FX100_CTRL1, 0x014a);
4153 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4154 			 MDIO_WC_REG_FX100_CTRL3, 0x0800);
4155 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4156 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
4157 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4158 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
4159 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4160 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
4161 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4162 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
4163 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4164 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
4165 	lane = bnx2x_get_warpcore_lane(phy, params);
4166 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4167 			 MDIO_WC_REG_TX_FIR_TAP, 0x0000);
4168 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4170 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4171 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4172 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4173 			 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
4174 	bnx2x_warpcore_reset_lane(bp, phy, 0);
4175 }
4176 
4177 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4178 						u32 chip_id,
4179 						u32 shmem_base, u8 port,
4180 						u8 *gpio_num, u8 *gpio_port)
4181 {
4182 	u32 cfg_pin;
4183 	*gpio_num = 0;
4184 	*gpio_port = 0;
4185 	if (CHIP_IS_E3(bp)) {
4186 		cfg_pin = (REG_RD(bp, shmem_base +
4187 				offsetof(struct shmem_region,
4188 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4189 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4190 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4191 
4192 		/* Should not happen. This function called upon interrupt
4193 		 * triggered by GPIO ( since EPIO can only generate interrupts
4194 		 * to MCP).
4195 		 * So if this function was called and none of the GPIOs was set,
4196 		 * it means the shit hit the fan.
4197 		 */
4198 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4199 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4200 			DP(NETIF_MSG_LINK,
4201 			   "ERROR: Invalid cfg pin %x for module detect indication\n",
4202 			   cfg_pin);
4203 			return -EINVAL;
4204 		}
4205 
4206 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4207 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4208 	} else {
4209 		*gpio_num = MISC_REGISTERS_GPIO_3;
4210 		*gpio_port = port;
4211 	}
4212 	DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4213 	return 0;
4214 }
4215 
4216 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4217 				       struct link_params *params)
4218 {
4219 	struct bnx2x *bp = params->bp;
4220 	u8 gpio_num, gpio_port;
4221 	u32 gpio_val;
4222 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4223 				      params->shmem_base, params->port,
4224 				      &gpio_num, &gpio_port) != 0)
4225 		return 0;
4226 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4227 
4228 	/* Call the handling function in case module is detected */
4229 	if (gpio_val == 0)
4230 		return 1;
4231 	else
4232 		return 0;
4233 }
4234 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4235 					struct link_params *params)
4236 {
4237 	u16 gp2_status_reg0, lane;
4238 	struct bnx2x *bp = params->bp;
4239 
4240 	lane = bnx2x_get_warpcore_lane(phy, params);
4241 
4242 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4243 				 &gp2_status_reg0);
4244 
4245 	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4246 }
4247 
4248 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4249 				       struct link_params *params,
4250 				       struct link_vars *vars)
4251 {
4252 	struct bnx2x *bp = params->bp;
4253 	u32 serdes_net_if;
4254 	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4255 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4256 
4257 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4258 
4259 	if (!vars->turn_to_run_wc_rt)
4260 		return;
4261 
4262 	/* return if there is no link partner */
4263 	if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4264 		DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4265 		return;
4266 	}
4267 
4268 	if (vars->rx_tx_asic_rst) {
4269 		serdes_net_if = (REG_RD(bp, params->shmem_base +
4270 				offsetof(struct shmem_region, dev_info.
4271 				port_hw_config[params->port].default_cfg)) &
4272 				PORT_HW_CFG_NET_SERDES_IF_MASK);
4273 
4274 		switch (serdes_net_if) {
4275 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4276 			/* Do we get link yet? */
4277 			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4278 								&gp_status1);
4279 			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4280 				/*10G KR*/
4281 			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4282 
4283 			DP(NETIF_MSG_LINK,
4284 				"gp_status1 0x%x\n", gp_status1);
4285 
4286 			if (lnkup_kr || lnkup) {
4287 					vars->rx_tx_asic_rst = 0;
4288 					DP(NETIF_MSG_LINK,
4289 					"link up, rx_tx_asic_rst 0x%x\n",
4290 					vars->rx_tx_asic_rst);
4291 			} else {
4292 				/* Reset the lane to see if link comes up.*/
4293 				bnx2x_warpcore_reset_lane(bp, phy, 1);
4294 				bnx2x_warpcore_reset_lane(bp, phy, 0);
4295 
4296 				/* restart Autoneg */
4297 				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4298 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4299 
4300 				vars->rx_tx_asic_rst--;
4301 				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4302 				vars->rx_tx_asic_rst);
4303 			}
4304 			break;
4305 
4306 		default:
4307 			break;
4308 		}
4309 
4310 	} /*params->rx_tx_asic_rst*/
4311 
4312 }
4313 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4314 				       struct link_params *params,
4315 				       struct link_vars *vars)
4316 {
4317 	struct bnx2x *bp = params->bp;
4318 	u32 serdes_net_if;
4319 	u8 fiber_mode;
4320 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4321 	serdes_net_if = (REG_RD(bp, params->shmem_base +
4322 			 offsetof(struct shmem_region, dev_info.
4323 				  port_hw_config[params->port].default_cfg)) &
4324 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4325 	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4326 			   "serdes_net_if = 0x%x\n",
4327 		       vars->line_speed, serdes_net_if);
4328 	bnx2x_set_aer_mmd(params, phy);
4329 
4330 	vars->phy_flags |= PHY_XGXS_FLAG;
4331 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4332 	    (phy->req_line_speed &&
4333 	     ((phy->req_line_speed == SPEED_100) ||
4334 	      (phy->req_line_speed == SPEED_10)))) {
4335 		vars->phy_flags |= PHY_SGMII_FLAG;
4336 		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4337 		bnx2x_warpcore_clear_regs(phy, params, lane);
4338 		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4339 	} else {
4340 		switch (serdes_net_if) {
4341 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4342 			/* Enable KR Auto Neg */
4343 			if (params->loopback_mode != LOOPBACK_EXT)
4344 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4345 			else {
4346 				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4347 				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4348 			}
4349 			break;
4350 
4351 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4352 			bnx2x_warpcore_clear_regs(phy, params, lane);
4353 			if (vars->line_speed == SPEED_10000) {
4354 				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4355 				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4356 			} else {
4357 				if (SINGLE_MEDIA_DIRECT(params)) {
4358 					DP(NETIF_MSG_LINK, "1G Fiber\n");
4359 					fiber_mode = 1;
4360 				} else {
4361 					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4362 					fiber_mode = 0;
4363 				}
4364 				bnx2x_warpcore_set_sgmii_speed(phy,
4365 								params,
4366 								fiber_mode,
4367 								0);
4368 			}
4369 
4370 			break;
4371 
4372 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4373 
4374 			bnx2x_warpcore_clear_regs(phy, params, lane);
4375 			if (vars->line_speed == SPEED_10000) {
4376 				DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4377 				bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4378 			} else if (vars->line_speed == SPEED_1000) {
4379 				DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4380 				bnx2x_warpcore_set_sgmii_speed(
4381 						phy, params, 1, 0);
4382 			}
4383 			/* Issue Module detection */
4384 			if (bnx2x_is_sfp_module_plugged(phy, params))
4385 				bnx2x_sfp_module_detection(phy, params);
4386 			break;
4387 
4388 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4389 			if (vars->line_speed != SPEED_20000) {
4390 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4391 				return;
4392 			}
4393 			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4394 			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4395 			/* Issue Module detection */
4396 
4397 			bnx2x_sfp_module_detection(phy, params);
4398 			break;
4399 
4400 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4401 			if (vars->line_speed != SPEED_20000) {
4402 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4403 				return;
4404 			}
4405 			DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4406 			bnx2x_warpcore_set_20G_KR2(bp, phy);
4407 			break;
4408 
4409 		default:
4410 			DP(NETIF_MSG_LINK,
4411 			   "Unsupported Serdes Net Interface 0x%x\n",
4412 			   serdes_net_if);
4413 			return;
4414 		}
4415 	}
4416 
4417 	/* Take lane out of reset after configuration is finished */
4418 	bnx2x_warpcore_reset_lane(bp, phy, 0);
4419 	DP(NETIF_MSG_LINK, "Exit config init\n");
4420 }
4421 
4422 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4423 					 struct bnx2x_phy *phy,
4424 					 u8 tx_en)
4425 {
4426 	struct bnx2x *bp = params->bp;
4427 	u32 cfg_pin;
4428 	u8 port = params->port;
4429 
4430 	cfg_pin = REG_RD(bp, params->shmem_base +
4431 				offsetof(struct shmem_region,
4432 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4433 				PORT_HW_CFG_TX_LASER_MASK;
4434 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4435 	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4436 	/* For 20G, the expected pin to be used is 3 pins after the current */
4437 
4438 	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4439 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4440 		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4441 }
4442 
4443 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4444 				      struct link_params *params)
4445 {
4446 	struct bnx2x *bp = params->bp;
4447 	u16 val16;
4448 	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4449 	bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4450 	bnx2x_set_aer_mmd(params, phy);
4451 	/* Global register */
4452 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4453 
4454 	/* Clear loopback settings (if any) */
4455 	/* 10G & 20G */
4456 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4457 			MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4458 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4459 			 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4460 			 0xBFFF);
4461 
4462 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4463 			MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4464 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4465 			MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4466 
4467 	/* Update those 1-copy registers */
4468 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4469 			  MDIO_AER_BLOCK_AER_REG, 0);
4470 	/* Enable 1G MDIO (1-copy) */
4471 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4472 			MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4473 			&val16);
4474 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4475 			 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4476 			 val16 & ~0x10);
4477 
4478 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4479 			MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4480 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4481 			 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4482 			 val16 & 0xff00);
4483 
4484 }
4485 
4486 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4487 					struct link_params *params)
4488 {
4489 	struct bnx2x *bp = params->bp;
4490 	u16 val16;
4491 	u32 lane;
4492 	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4493 		       params->loopback_mode, phy->req_line_speed);
4494 
4495 	if (phy->req_line_speed < SPEED_10000) {
4496 		/* 10/100/1000 */
4497 
4498 		/* Update those 1-copy registers */
4499 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4500 				  MDIO_AER_BLOCK_AER_REG, 0);
4501 		/* Enable 1G MDIO (1-copy) */
4502 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4503 				MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4504 				&val16);
4505 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4506 				MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4507 				val16 | 0x10);
4508 		/* Set 1G loopback based on lane (1-copy) */
4509 		lane = bnx2x_get_warpcore_lane(phy, params);
4510 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4511 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4512 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4513 				MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4514 				val16 | (1<<lane));
4515 
4516 		/* Switch back to 4-copy registers */
4517 		bnx2x_set_aer_mmd(params, phy);
4518 	} else {
4519 		/* 10G & 20G */
4520 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4521 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4522 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4523 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
4524 				 0x4000);
4525 
4526 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4527 				MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4528 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4529 				MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
4530 	}
4531 }
4532 
4533 
4534 void bnx2x_sync_link(struct link_params *params,
4535 			   struct link_vars *vars)
4536 {
4537 	struct bnx2x *bp = params->bp;
4538 	u8 link_10g_plus;
4539 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4540 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4541 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4542 	if (vars->link_up) {
4543 		DP(NETIF_MSG_LINK, "phy link up\n");
4544 
4545 		vars->phy_link_up = 1;
4546 		vars->duplex = DUPLEX_FULL;
4547 		switch (vars->link_status &
4548 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4549 		case LINK_10THD:
4550 			vars->duplex = DUPLEX_HALF;
4551 			/* Fall thru */
4552 		case LINK_10TFD:
4553 			vars->line_speed = SPEED_10;
4554 			break;
4555 
4556 		case LINK_100TXHD:
4557 			vars->duplex = DUPLEX_HALF;
4558 			/* Fall thru */
4559 		case LINK_100T4:
4560 		case LINK_100TXFD:
4561 			vars->line_speed = SPEED_100;
4562 			break;
4563 
4564 		case LINK_1000THD:
4565 			vars->duplex = DUPLEX_HALF;
4566 			/* Fall thru */
4567 		case LINK_1000TFD:
4568 			vars->line_speed = SPEED_1000;
4569 			break;
4570 
4571 		case LINK_2500THD:
4572 			vars->duplex = DUPLEX_HALF;
4573 			/* Fall thru */
4574 		case LINK_2500TFD:
4575 			vars->line_speed = SPEED_2500;
4576 			break;
4577 
4578 		case LINK_10GTFD:
4579 			vars->line_speed = SPEED_10000;
4580 			break;
4581 		case LINK_20GTFD:
4582 			vars->line_speed = SPEED_20000;
4583 			break;
4584 		default:
4585 			break;
4586 		}
4587 		vars->flow_ctrl = 0;
4588 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4589 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4590 
4591 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4592 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4593 
4594 		if (!vars->flow_ctrl)
4595 			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4596 
4597 		if (vars->line_speed &&
4598 		    ((vars->line_speed == SPEED_10) ||
4599 		     (vars->line_speed == SPEED_100))) {
4600 			vars->phy_flags |= PHY_SGMII_FLAG;
4601 		} else {
4602 			vars->phy_flags &= ~PHY_SGMII_FLAG;
4603 		}
4604 		if (vars->line_speed &&
4605 		    USES_WARPCORE(bp) &&
4606 		    (vars->line_speed == SPEED_1000))
4607 			vars->phy_flags |= PHY_SGMII_FLAG;
4608 		/* anything 10 and over uses the bmac */
4609 		link_10g_plus = (vars->line_speed >= SPEED_10000);
4610 
4611 		if (link_10g_plus) {
4612 			if (USES_WARPCORE(bp))
4613 				vars->mac_type = MAC_TYPE_XMAC;
4614 			else
4615 				vars->mac_type = MAC_TYPE_BMAC;
4616 		} else {
4617 			if (USES_WARPCORE(bp))
4618 				vars->mac_type = MAC_TYPE_UMAC;
4619 			else
4620 				vars->mac_type = MAC_TYPE_EMAC;
4621 		}
4622 	} else { /* link down */
4623 		DP(NETIF_MSG_LINK, "phy link down\n");
4624 
4625 		vars->phy_link_up = 0;
4626 
4627 		vars->line_speed = 0;
4628 		vars->duplex = DUPLEX_FULL;
4629 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4630 
4631 		/* indicate no mac active */
4632 		vars->mac_type = MAC_TYPE_NONE;
4633 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4634 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4635 	}
4636 }
4637 
4638 void bnx2x_link_status_update(struct link_params *params,
4639 			      struct link_vars *vars)
4640 {
4641 	struct bnx2x *bp = params->bp;
4642 	u8 port = params->port;
4643 	u32 sync_offset, media_types;
4644 	/* Update PHY configuration */
4645 	set_phy_vars(params, vars);
4646 
4647 	vars->link_status = REG_RD(bp, params->shmem_base +
4648 				   offsetof(struct shmem_region,
4649 					    port_mb[port].link_status));
4650 
4651 	vars->phy_flags = PHY_XGXS_FLAG;
4652 	bnx2x_sync_link(params, vars);
4653 	/* Sync media type */
4654 	sync_offset = params->shmem_base +
4655 			offsetof(struct shmem_region,
4656 				 dev_info.port_hw_config[port].media_type);
4657 	media_types = REG_RD(bp, sync_offset);
4658 
4659 	params->phy[INT_PHY].media_type =
4660 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4661 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4662 	params->phy[EXT_PHY1].media_type =
4663 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4664 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4665 	params->phy[EXT_PHY2].media_type =
4666 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4667 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4668 	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4669 
4670 	/* Sync AEU offset */
4671 	sync_offset = params->shmem_base +
4672 			offsetof(struct shmem_region,
4673 				 dev_info.port_hw_config[port].aeu_int_mask);
4674 
4675 	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4676 
4677 	/* Sync PFC status */
4678 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4679 		params->feature_config_flags |=
4680 					FEATURE_CONFIG_PFC_ENABLED;
4681 	else
4682 		params->feature_config_flags &=
4683 					~FEATURE_CONFIG_PFC_ENABLED;
4684 
4685 	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4686 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4687 	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4688 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4689 }
4690 
4691 static void bnx2x_set_master_ln(struct link_params *params,
4692 				struct bnx2x_phy *phy)
4693 {
4694 	struct bnx2x *bp = params->bp;
4695 	u16 new_master_ln, ser_lane;
4696 	ser_lane = ((params->lane_config &
4697 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4698 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4699 
4700 	/* set the master_ln for AN */
4701 	CL22_RD_OVER_CL45(bp, phy,
4702 			  MDIO_REG_BANK_XGXS_BLOCK2,
4703 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4704 			  &new_master_ln);
4705 
4706 	CL22_WR_OVER_CL45(bp, phy,
4707 			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4708 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4709 			  (new_master_ln | ser_lane));
4710 }
4711 
4712 static int bnx2x_reset_unicore(struct link_params *params,
4713 			       struct bnx2x_phy *phy,
4714 			       u8 set_serdes)
4715 {
4716 	struct bnx2x *bp = params->bp;
4717 	u16 mii_control;
4718 	u16 i;
4719 	CL22_RD_OVER_CL45(bp, phy,
4720 			  MDIO_REG_BANK_COMBO_IEEE0,
4721 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4722 
4723 	/* reset the unicore */
4724 	CL22_WR_OVER_CL45(bp, phy,
4725 			  MDIO_REG_BANK_COMBO_IEEE0,
4726 			  MDIO_COMBO_IEEE0_MII_CONTROL,
4727 			  (mii_control |
4728 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4729 	if (set_serdes)
4730 		bnx2x_set_serdes_access(bp, params->port);
4731 
4732 	/* wait for the reset to self clear */
4733 	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4734 		udelay(5);
4735 
4736 		/* the reset erased the previous bank value */
4737 		CL22_RD_OVER_CL45(bp, phy,
4738 				  MDIO_REG_BANK_COMBO_IEEE0,
4739 				  MDIO_COMBO_IEEE0_MII_CONTROL,
4740 				  &mii_control);
4741 
4742 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4743 			udelay(5);
4744 			return 0;
4745 		}
4746 	}
4747 
4748 	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4749 			      " Port %d\n",
4750 			 params->port);
4751 	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4752 	return -EINVAL;
4753 
4754 }
4755 
4756 static void bnx2x_set_swap_lanes(struct link_params *params,
4757 				 struct bnx2x_phy *phy)
4758 {
4759 	struct bnx2x *bp = params->bp;
4760 	/* Each two bits represents a lane number:
4761 	 * No swap is 0123 => 0x1b no need to enable the swap
4762 	 */
4763 	u16 rx_lane_swap, tx_lane_swap;
4764 
4765 	rx_lane_swap = ((params->lane_config &
4766 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4767 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4768 	tx_lane_swap = ((params->lane_config &
4769 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4770 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4771 
4772 	if (rx_lane_swap != 0x1b) {
4773 		CL22_WR_OVER_CL45(bp, phy,
4774 				  MDIO_REG_BANK_XGXS_BLOCK2,
4775 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4776 				  (rx_lane_swap |
4777 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4778 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4779 	} else {
4780 		CL22_WR_OVER_CL45(bp, phy,
4781 				  MDIO_REG_BANK_XGXS_BLOCK2,
4782 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4783 	}
4784 
4785 	if (tx_lane_swap != 0x1b) {
4786 		CL22_WR_OVER_CL45(bp, phy,
4787 				  MDIO_REG_BANK_XGXS_BLOCK2,
4788 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4789 				  (tx_lane_swap |
4790 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4791 	} else {
4792 		CL22_WR_OVER_CL45(bp, phy,
4793 				  MDIO_REG_BANK_XGXS_BLOCK2,
4794 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4795 	}
4796 }
4797 
4798 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4799 					 struct link_params *params)
4800 {
4801 	struct bnx2x *bp = params->bp;
4802 	u16 control2;
4803 	CL22_RD_OVER_CL45(bp, phy,
4804 			  MDIO_REG_BANK_SERDES_DIGITAL,
4805 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4806 			  &control2);
4807 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4808 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4809 	else
4810 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4811 	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4812 		phy->speed_cap_mask, control2);
4813 	CL22_WR_OVER_CL45(bp, phy,
4814 			  MDIO_REG_BANK_SERDES_DIGITAL,
4815 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4816 			  control2);
4817 
4818 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4819 	     (phy->speed_cap_mask &
4820 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4821 		DP(NETIF_MSG_LINK, "XGXS\n");
4822 
4823 		CL22_WR_OVER_CL45(bp, phy,
4824 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4825 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4826 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4827 
4828 		CL22_RD_OVER_CL45(bp, phy,
4829 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4830 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4831 				  &control2);
4832 
4833 
4834 		control2 |=
4835 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4836 
4837 		CL22_WR_OVER_CL45(bp, phy,
4838 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4839 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4840 				  control2);
4841 
4842 		/* Disable parallel detection of HiG */
4843 		CL22_WR_OVER_CL45(bp, phy,
4844 				  MDIO_REG_BANK_XGXS_BLOCK2,
4845 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4846 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4847 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4848 	}
4849 }
4850 
4851 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4852 			      struct link_params *params,
4853 			      struct link_vars *vars,
4854 			      u8 enable_cl73)
4855 {
4856 	struct bnx2x *bp = params->bp;
4857 	u16 reg_val;
4858 
4859 	/* CL37 Autoneg */
4860 	CL22_RD_OVER_CL45(bp, phy,
4861 			  MDIO_REG_BANK_COMBO_IEEE0,
4862 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
4863 
4864 	/* CL37 Autoneg Enabled */
4865 	if (vars->line_speed == SPEED_AUTO_NEG)
4866 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4867 	else /* CL37 Autoneg Disabled */
4868 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4869 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4870 
4871 	CL22_WR_OVER_CL45(bp, phy,
4872 			  MDIO_REG_BANK_COMBO_IEEE0,
4873 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
4874 
4875 	/* Enable/Disable Autodetection */
4876 
4877 	CL22_RD_OVER_CL45(bp, phy,
4878 			  MDIO_REG_BANK_SERDES_DIGITAL,
4879 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4880 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4881 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4882 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
4883 	if (vars->line_speed == SPEED_AUTO_NEG)
4884 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4885 	else
4886 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4887 
4888 	CL22_WR_OVER_CL45(bp, phy,
4889 			  MDIO_REG_BANK_SERDES_DIGITAL,
4890 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
4891 
4892 	/* Enable TetonII and BAM autoneg */
4893 	CL22_RD_OVER_CL45(bp, phy,
4894 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
4895 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4896 			  &reg_val);
4897 	if (vars->line_speed == SPEED_AUTO_NEG) {
4898 		/* Enable BAM aneg Mode and TetonII aneg Mode */
4899 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4900 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4901 	} else {
4902 		/* TetonII and BAM Autoneg Disabled */
4903 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4904 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4905 	}
4906 	CL22_WR_OVER_CL45(bp, phy,
4907 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
4908 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4909 			  reg_val);
4910 
4911 	if (enable_cl73) {
4912 		/* Enable Cl73 FSM status bits */
4913 		CL22_WR_OVER_CL45(bp, phy,
4914 				  MDIO_REG_BANK_CL73_USERB0,
4915 				  MDIO_CL73_USERB0_CL73_UCTRL,
4916 				  0xe);
4917 
4918 		/* Enable BAM Station Manager*/
4919 		CL22_WR_OVER_CL45(bp, phy,
4920 			MDIO_REG_BANK_CL73_USERB0,
4921 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4922 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4923 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4924 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4925 
4926 		/* Advertise CL73 link speeds */
4927 		CL22_RD_OVER_CL45(bp, phy,
4928 				  MDIO_REG_BANK_CL73_IEEEB1,
4929 				  MDIO_CL73_IEEEB1_AN_ADV2,
4930 				  &reg_val);
4931 		if (phy->speed_cap_mask &
4932 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
4933 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
4934 		if (phy->speed_cap_mask &
4935 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4936 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
4937 
4938 		CL22_WR_OVER_CL45(bp, phy,
4939 				  MDIO_REG_BANK_CL73_IEEEB1,
4940 				  MDIO_CL73_IEEEB1_AN_ADV2,
4941 				  reg_val);
4942 
4943 		/* CL73 Autoneg Enabled */
4944 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
4945 
4946 	} else /* CL73 Autoneg Disabled */
4947 		reg_val = 0;
4948 
4949 	CL22_WR_OVER_CL45(bp, phy,
4950 			  MDIO_REG_BANK_CL73_IEEEB0,
4951 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
4952 }
4953 
4954 /* program SerDes, forced speed */
4955 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
4956 				 struct link_params *params,
4957 				 struct link_vars *vars)
4958 {
4959 	struct bnx2x *bp = params->bp;
4960 	u16 reg_val;
4961 
4962 	/* program duplex, disable autoneg and sgmii*/
4963 	CL22_RD_OVER_CL45(bp, phy,
4964 			  MDIO_REG_BANK_COMBO_IEEE0,
4965 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
4966 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
4967 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4968 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
4969 	if (phy->req_duplex == DUPLEX_FULL)
4970 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
4971 	CL22_WR_OVER_CL45(bp, phy,
4972 			  MDIO_REG_BANK_COMBO_IEEE0,
4973 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
4974 
4975 	/* Program speed
4976 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
4977 	 */
4978 	CL22_RD_OVER_CL45(bp, phy,
4979 			  MDIO_REG_BANK_SERDES_DIGITAL,
4980 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
4981 	/* clearing the speed value before setting the right speed */
4982 	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
4983 
4984 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
4985 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
4986 
4987 	if (!((vars->line_speed == SPEED_1000) ||
4988 	      (vars->line_speed == SPEED_100) ||
4989 	      (vars->line_speed == SPEED_10))) {
4990 
4991 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
4992 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
4993 		if (vars->line_speed == SPEED_10000)
4994 			reg_val |=
4995 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
4996 	}
4997 
4998 	CL22_WR_OVER_CL45(bp, phy,
4999 			  MDIO_REG_BANK_SERDES_DIGITAL,
5000 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5001 
5002 }
5003 
5004 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5005 					      struct link_params *params)
5006 {
5007 	struct bnx2x *bp = params->bp;
5008 	u16 val = 0;
5009 
5010 	/* set extended capabilities */
5011 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5012 		val |= MDIO_OVER_1G_UP1_2_5G;
5013 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5014 		val |= MDIO_OVER_1G_UP1_10G;
5015 	CL22_WR_OVER_CL45(bp, phy,
5016 			  MDIO_REG_BANK_OVER_1G,
5017 			  MDIO_OVER_1G_UP1, val);
5018 
5019 	CL22_WR_OVER_CL45(bp, phy,
5020 			  MDIO_REG_BANK_OVER_1G,
5021 			  MDIO_OVER_1G_UP3, 0x400);
5022 }
5023 
5024 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5025 					      struct link_params *params,
5026 					      u16 ieee_fc)
5027 {
5028 	struct bnx2x *bp = params->bp;
5029 	u16 val;
5030 	/* for AN, we are always publishing full duplex */
5031 
5032 	CL22_WR_OVER_CL45(bp, phy,
5033 			  MDIO_REG_BANK_COMBO_IEEE0,
5034 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5035 	CL22_RD_OVER_CL45(bp, phy,
5036 			  MDIO_REG_BANK_CL73_IEEEB1,
5037 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5038 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5039 	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5040 	CL22_WR_OVER_CL45(bp, phy,
5041 			  MDIO_REG_BANK_CL73_IEEEB1,
5042 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5043 }
5044 
5045 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5046 				  struct link_params *params,
5047 				  u8 enable_cl73)
5048 {
5049 	struct bnx2x *bp = params->bp;
5050 	u16 mii_control;
5051 
5052 	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5053 	/* Enable and restart BAM/CL37 aneg */
5054 
5055 	if (enable_cl73) {
5056 		CL22_RD_OVER_CL45(bp, phy,
5057 				  MDIO_REG_BANK_CL73_IEEEB0,
5058 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5059 				  &mii_control);
5060 
5061 		CL22_WR_OVER_CL45(bp, phy,
5062 				  MDIO_REG_BANK_CL73_IEEEB0,
5063 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5064 				  (mii_control |
5065 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5066 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5067 	} else {
5068 
5069 		CL22_RD_OVER_CL45(bp, phy,
5070 				  MDIO_REG_BANK_COMBO_IEEE0,
5071 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5072 				  &mii_control);
5073 		DP(NETIF_MSG_LINK,
5074 			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5075 			 mii_control);
5076 		CL22_WR_OVER_CL45(bp, phy,
5077 				  MDIO_REG_BANK_COMBO_IEEE0,
5078 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5079 				  (mii_control |
5080 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5081 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5082 	}
5083 }
5084 
5085 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5086 					   struct link_params *params,
5087 					   struct link_vars *vars)
5088 {
5089 	struct bnx2x *bp = params->bp;
5090 	u16 control1;
5091 
5092 	/* in SGMII mode, the unicore is always slave */
5093 
5094 	CL22_RD_OVER_CL45(bp, phy,
5095 			  MDIO_REG_BANK_SERDES_DIGITAL,
5096 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5097 			  &control1);
5098 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5099 	/* set sgmii mode (and not fiber) */
5100 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5101 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5102 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5103 	CL22_WR_OVER_CL45(bp, phy,
5104 			  MDIO_REG_BANK_SERDES_DIGITAL,
5105 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5106 			  control1);
5107 
5108 	/* if forced speed */
5109 	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5110 		/* set speed, disable autoneg */
5111 		u16 mii_control;
5112 
5113 		CL22_RD_OVER_CL45(bp, phy,
5114 				  MDIO_REG_BANK_COMBO_IEEE0,
5115 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5116 				  &mii_control);
5117 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5118 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5119 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5120 
5121 		switch (vars->line_speed) {
5122 		case SPEED_100:
5123 			mii_control |=
5124 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5125 			break;
5126 		case SPEED_1000:
5127 			mii_control |=
5128 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5129 			break;
5130 		case SPEED_10:
5131 			/* there is nothing to set for 10M */
5132 			break;
5133 		default:
5134 			/* invalid speed for SGMII */
5135 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5136 				  vars->line_speed);
5137 			break;
5138 		}
5139 
5140 		/* setting the full duplex */
5141 		if (phy->req_duplex == DUPLEX_FULL)
5142 			mii_control |=
5143 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5144 		CL22_WR_OVER_CL45(bp, phy,
5145 				  MDIO_REG_BANK_COMBO_IEEE0,
5146 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5147 				  mii_control);
5148 
5149 	} else { /* AN mode */
5150 		/* enable and restart AN */
5151 		bnx2x_restart_autoneg(phy, params, 0);
5152 	}
5153 }
5154 
5155 /* Link management
5156  */
5157 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5158 					     struct link_params *params)
5159 {
5160 	struct bnx2x *bp = params->bp;
5161 	u16 pd_10g, status2_1000x;
5162 	if (phy->req_line_speed != SPEED_AUTO_NEG)
5163 		return 0;
5164 	CL22_RD_OVER_CL45(bp, phy,
5165 			  MDIO_REG_BANK_SERDES_DIGITAL,
5166 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5167 			  &status2_1000x);
5168 	CL22_RD_OVER_CL45(bp, phy,
5169 			  MDIO_REG_BANK_SERDES_DIGITAL,
5170 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5171 			  &status2_1000x);
5172 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5173 		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5174 			 params->port);
5175 		return 1;
5176 	}
5177 
5178 	CL22_RD_OVER_CL45(bp, phy,
5179 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5180 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5181 			  &pd_10g);
5182 
5183 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5184 		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5185 			 params->port);
5186 		return 1;
5187 	}
5188 	return 0;
5189 }
5190 
5191 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5192 				struct link_params *params,
5193 				struct link_vars *vars,
5194 				u32 gp_status)
5195 {
5196 	u16 ld_pause;   /* local driver */
5197 	u16 lp_pause;   /* link partner */
5198 	u16 pause_result;
5199 	struct bnx2x *bp = params->bp;
5200 	if ((gp_status &
5201 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5202 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5203 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5204 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5205 
5206 		CL22_RD_OVER_CL45(bp, phy,
5207 				  MDIO_REG_BANK_CL73_IEEEB1,
5208 				  MDIO_CL73_IEEEB1_AN_ADV1,
5209 				  &ld_pause);
5210 		CL22_RD_OVER_CL45(bp, phy,
5211 				  MDIO_REG_BANK_CL73_IEEEB1,
5212 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5213 				  &lp_pause);
5214 		pause_result = (ld_pause &
5215 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5216 		pause_result |= (lp_pause &
5217 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5218 		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5219 	} else {
5220 		CL22_RD_OVER_CL45(bp, phy,
5221 				  MDIO_REG_BANK_COMBO_IEEE0,
5222 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5223 				  &ld_pause);
5224 		CL22_RD_OVER_CL45(bp, phy,
5225 			MDIO_REG_BANK_COMBO_IEEE0,
5226 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5227 			&lp_pause);
5228 		pause_result = (ld_pause &
5229 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5230 		pause_result |= (lp_pause &
5231 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5232 		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5233 	}
5234 	bnx2x_pause_resolve(vars, pause_result);
5235 
5236 }
5237 
5238 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5239 				    struct link_params *params,
5240 				    struct link_vars *vars,
5241 				    u32 gp_status)
5242 {
5243 	struct bnx2x *bp = params->bp;
5244 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5245 
5246 	/* resolve from gp_status in case of AN complete and not sgmii */
5247 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5248 		/* Update the advertised flow-controled of LD/LP in AN */
5249 		if (phy->req_line_speed == SPEED_AUTO_NEG)
5250 			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5251 		/* But set the flow-control result as the requested one */
5252 		vars->flow_ctrl = phy->req_flow_ctrl;
5253 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5254 		vars->flow_ctrl = params->req_fc_auto_adv;
5255 	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5256 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5257 		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5258 			vars->flow_ctrl = params->req_fc_auto_adv;
5259 			return;
5260 		}
5261 		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5262 	}
5263 	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5264 }
5265 
5266 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5267 					 struct link_params *params)
5268 {
5269 	struct bnx2x *bp = params->bp;
5270 	u16 rx_status, ustat_val, cl37_fsm_received;
5271 	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5272 	/* Step 1: Make sure signal is detected */
5273 	CL22_RD_OVER_CL45(bp, phy,
5274 			  MDIO_REG_BANK_RX0,
5275 			  MDIO_RX0_RX_STATUS,
5276 			  &rx_status);
5277 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5278 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5279 		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5280 			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5281 		CL22_WR_OVER_CL45(bp, phy,
5282 				  MDIO_REG_BANK_CL73_IEEEB0,
5283 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5284 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5285 		return;
5286 	}
5287 	/* Step 2: Check CL73 state machine */
5288 	CL22_RD_OVER_CL45(bp, phy,
5289 			  MDIO_REG_BANK_CL73_USERB0,
5290 			  MDIO_CL73_USERB0_CL73_USTAT1,
5291 			  &ustat_val);
5292 	if ((ustat_val &
5293 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5294 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5295 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5296 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5297 		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5298 			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5299 		return;
5300 	}
5301 	/* Step 3: Check CL37 Message Pages received to indicate LP
5302 	 * supports only CL37
5303 	 */
5304 	CL22_RD_OVER_CL45(bp, phy,
5305 			  MDIO_REG_BANK_REMOTE_PHY,
5306 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5307 			  &cl37_fsm_received);
5308 	if ((cl37_fsm_received &
5309 	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5310 	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5311 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5312 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5313 		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5314 			     "misc_rx_status(0x8330) = 0x%x\n",
5315 			 cl37_fsm_received);
5316 		return;
5317 	}
5318 	/* The combined cl37/cl73 fsm state information indicating that
5319 	 * we are connected to a device which does not support cl73, but
5320 	 * does support cl37 BAM. In this case we disable cl73 and
5321 	 * restart cl37 auto-neg
5322 	 */
5323 
5324 	/* Disable CL73 */
5325 	CL22_WR_OVER_CL45(bp, phy,
5326 			  MDIO_REG_BANK_CL73_IEEEB0,
5327 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5328 			  0);
5329 	/* Restart CL37 autoneg */
5330 	bnx2x_restart_autoneg(phy, params, 0);
5331 	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5332 }
5333 
5334 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5335 				  struct link_params *params,
5336 				  struct link_vars *vars,
5337 				  u32 gp_status)
5338 {
5339 	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5340 		vars->link_status |=
5341 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5342 
5343 	if (bnx2x_direct_parallel_detect_used(phy, params))
5344 		vars->link_status |=
5345 			LINK_STATUS_PARALLEL_DETECTION_USED;
5346 }
5347 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5348 				     struct link_params *params,
5349 				      struct link_vars *vars,
5350 				      u16 is_link_up,
5351 				      u16 speed_mask,
5352 				      u16 is_duplex)
5353 {
5354 	struct bnx2x *bp = params->bp;
5355 	if (phy->req_line_speed == SPEED_AUTO_NEG)
5356 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5357 	if (is_link_up) {
5358 		DP(NETIF_MSG_LINK, "phy link up\n");
5359 
5360 		vars->phy_link_up = 1;
5361 		vars->link_status |= LINK_STATUS_LINK_UP;
5362 
5363 		switch (speed_mask) {
5364 		case GP_STATUS_10M:
5365 			vars->line_speed = SPEED_10;
5366 			if (vars->duplex == DUPLEX_FULL)
5367 				vars->link_status |= LINK_10TFD;
5368 			else
5369 				vars->link_status |= LINK_10THD;
5370 			break;
5371 
5372 		case GP_STATUS_100M:
5373 			vars->line_speed = SPEED_100;
5374 			if (vars->duplex == DUPLEX_FULL)
5375 				vars->link_status |= LINK_100TXFD;
5376 			else
5377 				vars->link_status |= LINK_100TXHD;
5378 			break;
5379 
5380 		case GP_STATUS_1G:
5381 		case GP_STATUS_1G_KX:
5382 			vars->line_speed = SPEED_1000;
5383 			if (vars->duplex == DUPLEX_FULL)
5384 				vars->link_status |= LINK_1000TFD;
5385 			else
5386 				vars->link_status |= LINK_1000THD;
5387 			break;
5388 
5389 		case GP_STATUS_2_5G:
5390 			vars->line_speed = SPEED_2500;
5391 			if (vars->duplex == DUPLEX_FULL)
5392 				vars->link_status |= LINK_2500TFD;
5393 			else
5394 				vars->link_status |= LINK_2500THD;
5395 			break;
5396 
5397 		case GP_STATUS_5G:
5398 		case GP_STATUS_6G:
5399 			DP(NETIF_MSG_LINK,
5400 				 "link speed unsupported  gp_status 0x%x\n",
5401 				  speed_mask);
5402 			return -EINVAL;
5403 
5404 		case GP_STATUS_10G_KX4:
5405 		case GP_STATUS_10G_HIG:
5406 		case GP_STATUS_10G_CX4:
5407 		case GP_STATUS_10G_KR:
5408 		case GP_STATUS_10G_SFI:
5409 		case GP_STATUS_10G_XFI:
5410 			vars->line_speed = SPEED_10000;
5411 			vars->link_status |= LINK_10GTFD;
5412 			break;
5413 		case GP_STATUS_20G_DXGXS:
5414 			vars->line_speed = SPEED_20000;
5415 			vars->link_status |= LINK_20GTFD;
5416 			break;
5417 		default:
5418 			DP(NETIF_MSG_LINK,
5419 				  "link speed unsupported gp_status 0x%x\n",
5420 				  speed_mask);
5421 			return -EINVAL;
5422 		}
5423 	} else { /* link_down */
5424 		DP(NETIF_MSG_LINK, "phy link down\n");
5425 
5426 		vars->phy_link_up = 0;
5427 
5428 		vars->duplex = DUPLEX_FULL;
5429 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5430 		vars->mac_type = MAC_TYPE_NONE;
5431 	}
5432 	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5433 		    vars->phy_link_up, vars->line_speed);
5434 	return 0;
5435 }
5436 
5437 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5438 				      struct link_params *params,
5439 				      struct link_vars *vars)
5440 {
5441 	struct bnx2x *bp = params->bp;
5442 
5443 	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5444 	int rc = 0;
5445 
5446 	/* Read gp_status */
5447 	CL22_RD_OVER_CL45(bp, phy,
5448 			  MDIO_REG_BANK_GP_STATUS,
5449 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5450 			  &gp_status);
5451 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5452 		duplex = DUPLEX_FULL;
5453 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5454 		link_up = 1;
5455 	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5456 	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5457 		       gp_status, link_up, speed_mask);
5458 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5459 					 duplex);
5460 	if (rc == -EINVAL)
5461 		return rc;
5462 
5463 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5464 		if (SINGLE_MEDIA_DIRECT(params)) {
5465 			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5466 			if (phy->req_line_speed == SPEED_AUTO_NEG)
5467 				bnx2x_xgxs_an_resolve(phy, params, vars,
5468 						      gp_status);
5469 		}
5470 	} else { /* link_down */
5471 		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5472 		    SINGLE_MEDIA_DIRECT(params)) {
5473 			/* Check signal is detected */
5474 			bnx2x_check_fallback_to_cl37(phy, params);
5475 		}
5476 	}
5477 
5478 	/* Read LP advertised speeds*/
5479 	if (SINGLE_MEDIA_DIRECT(params) &&
5480 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5481 		u16 val;
5482 
5483 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5484 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5485 
5486 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5487 			vars->link_status |=
5488 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5489 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5490 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5491 			vars->link_status |=
5492 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5493 
5494 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5495 				  MDIO_OVER_1G_LP_UP1, &val);
5496 
5497 		if (val & MDIO_OVER_1G_UP1_2_5G)
5498 			vars->link_status |=
5499 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5500 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5501 			vars->link_status |=
5502 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5503 	}
5504 
5505 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5506 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5507 	return rc;
5508 }
5509 
5510 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5511 				     struct link_params *params,
5512 				     struct link_vars *vars)
5513 {
5514 	struct bnx2x *bp = params->bp;
5515 	u8 lane;
5516 	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5517 	int rc = 0;
5518 	lane = bnx2x_get_warpcore_lane(phy, params);
5519 	/* Read gp_status */
5520 	if (phy->req_line_speed > SPEED_10000) {
5521 		u16 temp_link_up;
5522 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5523 				1, &temp_link_up);
5524 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5525 				1, &link_up);
5526 		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5527 			       temp_link_up, link_up);
5528 		link_up &= (1<<2);
5529 		if (link_up)
5530 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5531 	} else {
5532 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5533 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5534 		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5535 		/* Check for either KR or generic link up. */
5536 		gp_status1 = ((gp_status1 >> 8) & 0xf) |
5537 			((gp_status1 >> 12) & 0xf);
5538 		link_up = gp_status1 & (1 << lane);
5539 		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5540 			u16 pd, gp_status4;
5541 			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5542 				/* Check Autoneg complete */
5543 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5544 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5545 						&gp_status4);
5546 				if (gp_status4 & ((1<<12)<<lane))
5547 					vars->link_status |=
5548 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5549 
5550 				/* Check parallel detect used */
5551 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5552 						MDIO_WC_REG_PAR_DET_10G_STATUS,
5553 						&pd);
5554 				if (pd & (1<<15))
5555 					vars->link_status |=
5556 					LINK_STATUS_PARALLEL_DETECTION_USED;
5557 			}
5558 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5559 		}
5560 	}
5561 
5562 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5563 	    SINGLE_MEDIA_DIRECT(params)) {
5564 		u16 val;
5565 
5566 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5567 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5568 
5569 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5570 			vars->link_status |=
5571 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5572 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5573 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5574 			vars->link_status |=
5575 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5576 
5577 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5578 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5579 
5580 		if (val & MDIO_OVER_1G_UP1_2_5G)
5581 			vars->link_status |=
5582 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5583 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5584 			vars->link_status |=
5585 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5586 
5587 	}
5588 
5589 
5590 	if (lane < 2) {
5591 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5592 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5593 	} else {
5594 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5595 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5596 	}
5597 	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5598 
5599 	if ((lane & 1) == 0)
5600 		gp_speed <<= 8;
5601 	gp_speed &= 0x3f00;
5602 
5603 
5604 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5605 					 duplex);
5606 
5607 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5608 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5609 	return rc;
5610 }
5611 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5612 {
5613 	struct bnx2x *bp = params->bp;
5614 	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5615 	u16 lp_up2;
5616 	u16 tx_driver;
5617 	u16 bank;
5618 
5619 	/* read precomp */
5620 	CL22_RD_OVER_CL45(bp, phy,
5621 			  MDIO_REG_BANK_OVER_1G,
5622 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5623 
5624 	/* bits [10:7] at lp_up2, positioned at [15:12] */
5625 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5626 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5627 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5628 
5629 	if (lp_up2 == 0)
5630 		return;
5631 
5632 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5633 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5634 		CL22_RD_OVER_CL45(bp, phy,
5635 				  bank,
5636 				  MDIO_TX0_TX_DRIVER, &tx_driver);
5637 
5638 		/* replace tx_driver bits [15:12] */
5639 		if (lp_up2 !=
5640 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5641 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5642 			tx_driver |= lp_up2;
5643 			CL22_WR_OVER_CL45(bp, phy,
5644 					  bank,
5645 					  MDIO_TX0_TX_DRIVER, tx_driver);
5646 		}
5647 	}
5648 }
5649 
5650 static int bnx2x_emac_program(struct link_params *params,
5651 			      struct link_vars *vars)
5652 {
5653 	struct bnx2x *bp = params->bp;
5654 	u8 port = params->port;
5655 	u16 mode = 0;
5656 
5657 	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5658 	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5659 		       EMAC_REG_EMAC_MODE,
5660 		       (EMAC_MODE_25G_MODE |
5661 			EMAC_MODE_PORT_MII_10M |
5662 			EMAC_MODE_HALF_DUPLEX));
5663 	switch (vars->line_speed) {
5664 	case SPEED_10:
5665 		mode |= EMAC_MODE_PORT_MII_10M;
5666 		break;
5667 
5668 	case SPEED_100:
5669 		mode |= EMAC_MODE_PORT_MII;
5670 		break;
5671 
5672 	case SPEED_1000:
5673 		mode |= EMAC_MODE_PORT_GMII;
5674 		break;
5675 
5676 	case SPEED_2500:
5677 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5678 		break;
5679 
5680 	default:
5681 		/* 10G not valid for EMAC */
5682 		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5683 			   vars->line_speed);
5684 		return -EINVAL;
5685 	}
5686 
5687 	if (vars->duplex == DUPLEX_HALF)
5688 		mode |= EMAC_MODE_HALF_DUPLEX;
5689 	bnx2x_bits_en(bp,
5690 		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5691 		      mode);
5692 
5693 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5694 	return 0;
5695 }
5696 
5697 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5698 				  struct link_params *params)
5699 {
5700 
5701 	u16 bank, i = 0;
5702 	struct bnx2x *bp = params->bp;
5703 
5704 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5705 	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5706 			CL22_WR_OVER_CL45(bp, phy,
5707 					  bank,
5708 					  MDIO_RX0_RX_EQ_BOOST,
5709 					  phy->rx_preemphasis[i]);
5710 	}
5711 
5712 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5713 		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5714 			CL22_WR_OVER_CL45(bp, phy,
5715 					  bank,
5716 					  MDIO_TX0_TX_DRIVER,
5717 					  phy->tx_preemphasis[i]);
5718 	}
5719 }
5720 
5721 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5722 				   struct link_params *params,
5723 				   struct link_vars *vars)
5724 {
5725 	struct bnx2x *bp = params->bp;
5726 	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5727 			  (params->loopback_mode == LOOPBACK_XGXS));
5728 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5729 		if (SINGLE_MEDIA_DIRECT(params) &&
5730 		    (params->feature_config_flags &
5731 		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5732 			bnx2x_set_preemphasis(phy, params);
5733 
5734 		/* forced speed requested? */
5735 		if (vars->line_speed != SPEED_AUTO_NEG ||
5736 		    (SINGLE_MEDIA_DIRECT(params) &&
5737 		     params->loopback_mode == LOOPBACK_EXT)) {
5738 			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5739 
5740 			/* disable autoneg */
5741 			bnx2x_set_autoneg(phy, params, vars, 0);
5742 
5743 			/* program speed and duplex */
5744 			bnx2x_program_serdes(phy, params, vars);
5745 
5746 		} else { /* AN_mode */
5747 			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5748 
5749 			/* AN enabled */
5750 			bnx2x_set_brcm_cl37_advertisement(phy, params);
5751 
5752 			/* program duplex & pause advertisement (for aneg) */
5753 			bnx2x_set_ieee_aneg_advertisement(phy, params,
5754 							  vars->ieee_fc);
5755 
5756 			/* enable autoneg */
5757 			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5758 
5759 			/* enable and restart AN */
5760 			bnx2x_restart_autoneg(phy, params, enable_cl73);
5761 		}
5762 
5763 	} else { /* SGMII mode */
5764 		DP(NETIF_MSG_LINK, "SGMII\n");
5765 
5766 		bnx2x_initialize_sgmii_process(phy, params, vars);
5767 	}
5768 }
5769 
5770 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5771 			  struct link_params *params,
5772 			  struct link_vars *vars)
5773 {
5774 	int rc;
5775 	vars->phy_flags |= PHY_XGXS_FLAG;
5776 	if ((phy->req_line_speed &&
5777 	     ((phy->req_line_speed == SPEED_100) ||
5778 	      (phy->req_line_speed == SPEED_10))) ||
5779 	    (!phy->req_line_speed &&
5780 	     (phy->speed_cap_mask >=
5781 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5782 	     (phy->speed_cap_mask <
5783 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5784 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5785 		vars->phy_flags |= PHY_SGMII_FLAG;
5786 	else
5787 		vars->phy_flags &= ~PHY_SGMII_FLAG;
5788 
5789 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5790 	bnx2x_set_aer_mmd(params, phy);
5791 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5792 		bnx2x_set_master_ln(params, phy);
5793 
5794 	rc = bnx2x_reset_unicore(params, phy, 0);
5795 	/* reset the SerDes and wait for reset bit return low */
5796 	if (rc != 0)
5797 		return rc;
5798 
5799 	bnx2x_set_aer_mmd(params, phy);
5800 	/* setting the masterLn_def again after the reset */
5801 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5802 		bnx2x_set_master_ln(params, phy);
5803 		bnx2x_set_swap_lanes(params, phy);
5804 	}
5805 
5806 	return rc;
5807 }
5808 
5809 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5810 				     struct bnx2x_phy *phy,
5811 				     struct link_params *params)
5812 {
5813 	u16 cnt, ctrl;
5814 	/* Wait for soft reset to get cleared up to 1 sec */
5815 	for (cnt = 0; cnt < 1000; cnt++) {
5816 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5817 			bnx2x_cl22_read(bp, phy,
5818 				MDIO_PMA_REG_CTRL, &ctrl);
5819 		else
5820 			bnx2x_cl45_read(bp, phy,
5821 				MDIO_PMA_DEVAD,
5822 				MDIO_PMA_REG_CTRL, &ctrl);
5823 		if (!(ctrl & (1<<15)))
5824 			break;
5825 		msleep(1);
5826 	}
5827 
5828 	if (cnt == 1000)
5829 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
5830 				      " Port %d\n",
5831 			 params->port);
5832 	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5833 	return cnt;
5834 }
5835 
5836 static void bnx2x_link_int_enable(struct link_params *params)
5837 {
5838 	u8 port = params->port;
5839 	u32 mask;
5840 	struct bnx2x *bp = params->bp;
5841 
5842 	/* Setting the status to report on link up for either XGXS or SerDes */
5843 	if (CHIP_IS_E3(bp)) {
5844 		mask = NIG_MASK_XGXS0_LINK_STATUS;
5845 		if (!(SINGLE_MEDIA_DIRECT(params)))
5846 			mask |= NIG_MASK_MI_INT;
5847 	} else if (params->switch_cfg == SWITCH_CFG_10G) {
5848 		mask = (NIG_MASK_XGXS0_LINK10G |
5849 			NIG_MASK_XGXS0_LINK_STATUS);
5850 		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
5851 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
5852 			params->phy[INT_PHY].type !=
5853 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
5854 			mask |= NIG_MASK_MI_INT;
5855 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
5856 		}
5857 
5858 	} else { /* SerDes */
5859 		mask = NIG_MASK_SERDES0_LINK_STATUS;
5860 		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
5861 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
5862 			params->phy[INT_PHY].type !=
5863 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
5864 			mask |= NIG_MASK_MI_INT;
5865 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
5866 		}
5867 	}
5868 	bnx2x_bits_en(bp,
5869 		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5870 		      mask);
5871 
5872 	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
5873 		 (params->switch_cfg == SWITCH_CFG_10G),
5874 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
5875 	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5876 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5877 		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5878 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5879 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5880 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5881 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5882 }
5883 
5884 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5885 				     u8 exp_mi_int)
5886 {
5887 	u32 latch_status = 0;
5888 
5889 	/* Disable the MI INT ( external phy int ) by writing 1 to the
5890 	 * status register. Link down indication is high-active-signal,
5891 	 * so in this case we need to write the status to clear the XOR
5892 	 */
5893 	/* Read Latched signals */
5894 	latch_status = REG_RD(bp,
5895 				    NIG_REG_LATCH_STATUS_0 + port*8);
5896 	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
5897 	/* Handle only those with latched-signal=up.*/
5898 	if (exp_mi_int)
5899 		bnx2x_bits_en(bp,
5900 			      NIG_REG_STATUS_INTERRUPT_PORT0
5901 			      + port*4,
5902 			      NIG_STATUS_EMAC0_MI_INT);
5903 	else
5904 		bnx2x_bits_dis(bp,
5905 			       NIG_REG_STATUS_INTERRUPT_PORT0
5906 			       + port*4,
5907 			       NIG_STATUS_EMAC0_MI_INT);
5908 
5909 	if (latch_status & 1) {
5910 
5911 		/* For all latched-signal=up : Re-Arm Latch signals */
5912 		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
5913 		       (latch_status & 0xfffe) | (latch_status & 1));
5914 	}
5915 	/* For all latched-signal=up,Write original_signal to status */
5916 }
5917 
5918 static void bnx2x_link_int_ack(struct link_params *params,
5919 			       struct link_vars *vars, u8 is_10g_plus)
5920 {
5921 	struct bnx2x *bp = params->bp;
5922 	u8 port = params->port;
5923 	u32 mask;
5924 	/* First reset all status we assume only one line will be
5925 	 * change at a time
5926 	 */
5927 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5928 		       (NIG_STATUS_XGXS0_LINK10G |
5929 			NIG_STATUS_XGXS0_LINK_STATUS |
5930 			NIG_STATUS_SERDES0_LINK_STATUS));
5931 	if (vars->phy_link_up) {
5932 		if (USES_WARPCORE(bp))
5933 			mask = NIG_STATUS_XGXS0_LINK_STATUS;
5934 		else {
5935 			if (is_10g_plus)
5936 				mask = NIG_STATUS_XGXS0_LINK10G;
5937 			else if (params->switch_cfg == SWITCH_CFG_10G) {
5938 				/* Disable the link interrupt by writing 1 to
5939 				 * the relevant lane in the status register
5940 				 */
5941 				u32 ser_lane =
5942 					((params->lane_config &
5943 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5944 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5945 				mask = ((1 << ser_lane) <<
5946 				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
5947 			} else
5948 				mask = NIG_STATUS_SERDES0_LINK_STATUS;
5949 		}
5950 		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
5951 			       mask);
5952 		bnx2x_bits_en(bp,
5953 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5954 			      mask);
5955 	}
5956 }
5957 
5958 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
5959 {
5960 	u8 *str_ptr = str;
5961 	u32 mask = 0xf0000000;
5962 	u8 shift = 8*4;
5963 	u8 digit;
5964 	u8 remove_leading_zeros = 1;
5965 	if (*len < 10) {
5966 		/* Need more than 10chars for this format */
5967 		*str_ptr = '\0';
5968 		(*len)--;
5969 		return -EINVAL;
5970 	}
5971 	while (shift > 0) {
5972 
5973 		shift -= 4;
5974 		digit = ((num & mask) >> shift);
5975 		if (digit == 0 && remove_leading_zeros) {
5976 			mask = mask >> 4;
5977 			continue;
5978 		} else if (digit < 0xa)
5979 			*str_ptr = digit + '0';
5980 		else
5981 			*str_ptr = digit - 0xa + 'a';
5982 		remove_leading_zeros = 0;
5983 		str_ptr++;
5984 		(*len)--;
5985 		mask = mask >> 4;
5986 		if (shift == 4*4) {
5987 			*str_ptr = '.';
5988 			str_ptr++;
5989 			(*len)--;
5990 			remove_leading_zeros = 1;
5991 		}
5992 	}
5993 	return 0;
5994 }
5995 
5996 
5997 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
5998 {
5999 	str[0] = '\0';
6000 	(*len)--;
6001 	return 0;
6002 }
6003 
6004 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6005 				 u16 len)
6006 {
6007 	struct bnx2x *bp;
6008 	u32 spirom_ver = 0;
6009 	int status = 0;
6010 	u8 *ver_p = version;
6011 	u16 remain_len = len;
6012 	if (version == NULL || params == NULL)
6013 		return -EINVAL;
6014 	bp = params->bp;
6015 
6016 	/* Extract first external phy*/
6017 	version[0] = '\0';
6018 	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6019 
6020 	if (params->phy[EXT_PHY1].format_fw_ver) {
6021 		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6022 							      ver_p,
6023 							      &remain_len);
6024 		ver_p += (len - remain_len);
6025 	}
6026 	if ((params->num_phys == MAX_PHYS) &&
6027 	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6028 		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6029 		if (params->phy[EXT_PHY2].format_fw_ver) {
6030 			*ver_p = '/';
6031 			ver_p++;
6032 			remain_len--;
6033 			status |= params->phy[EXT_PHY2].format_fw_ver(
6034 				spirom_ver,
6035 				ver_p,
6036 				&remain_len);
6037 			ver_p = version + (len - remain_len);
6038 		}
6039 	}
6040 	*ver_p = '\0';
6041 	return status;
6042 }
6043 
6044 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6045 				    struct link_params *params)
6046 {
6047 	u8 port = params->port;
6048 	struct bnx2x *bp = params->bp;
6049 
6050 	if (phy->req_line_speed != SPEED_1000) {
6051 		u32 md_devad = 0;
6052 
6053 		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6054 
6055 		if (!CHIP_IS_E3(bp)) {
6056 			/* change the uni_phy_addr in the nig */
6057 			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6058 					       port*0x18));
6059 
6060 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6061 			       0x5);
6062 		}
6063 
6064 		bnx2x_cl45_write(bp, phy,
6065 				 5,
6066 				 (MDIO_REG_BANK_AER_BLOCK +
6067 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6068 				 0x2800);
6069 
6070 		bnx2x_cl45_write(bp, phy,
6071 				 5,
6072 				 (MDIO_REG_BANK_CL73_IEEEB0 +
6073 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6074 				 0x6041);
6075 		msleep(200);
6076 		/* set aer mmd back */
6077 		bnx2x_set_aer_mmd(params, phy);
6078 
6079 		if (!CHIP_IS_E3(bp)) {
6080 			/* and md_devad */
6081 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6082 			       md_devad);
6083 		}
6084 	} else {
6085 		u16 mii_ctrl;
6086 		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6087 		bnx2x_cl45_read(bp, phy, 5,
6088 				(MDIO_REG_BANK_COMBO_IEEE0 +
6089 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6090 				&mii_ctrl);
6091 		bnx2x_cl45_write(bp, phy, 5,
6092 				 (MDIO_REG_BANK_COMBO_IEEE0 +
6093 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6094 				 mii_ctrl |
6095 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6096 	}
6097 }
6098 
6099 int bnx2x_set_led(struct link_params *params,
6100 		  struct link_vars *vars, u8 mode, u32 speed)
6101 {
6102 	u8 port = params->port;
6103 	u16 hw_led_mode = params->hw_led_mode;
6104 	int rc = 0;
6105 	u8 phy_idx;
6106 	u32 tmp;
6107 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6108 	struct bnx2x *bp = params->bp;
6109 	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6110 	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6111 		 speed, hw_led_mode);
6112 	/* In case */
6113 	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6114 		if (params->phy[phy_idx].set_link_led) {
6115 			params->phy[phy_idx].set_link_led(
6116 				&params->phy[phy_idx], params, mode);
6117 		}
6118 	}
6119 
6120 	switch (mode) {
6121 	case LED_MODE_FRONT_PANEL_OFF:
6122 	case LED_MODE_OFF:
6123 		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6124 		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6125 		       SHARED_HW_CFG_LED_MAC1);
6126 
6127 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6128 		if (params->phy[EXT_PHY1].type ==
6129 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6130 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6131 				EMAC_LED_100MB_OVERRIDE |
6132 				EMAC_LED_10MB_OVERRIDE);
6133 		else
6134 			tmp |= EMAC_LED_OVERRIDE;
6135 
6136 		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6137 		break;
6138 
6139 	case LED_MODE_OPER:
6140 		/* For all other phys, OPER mode is same as ON, so in case
6141 		 * link is down, do nothing
6142 		 */
6143 		if (!vars->link_up)
6144 			break;
6145 	case LED_MODE_ON:
6146 		if (((params->phy[EXT_PHY1].type ==
6147 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6148 			 (params->phy[EXT_PHY1].type ==
6149 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6150 		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6151 			/* This is a work-around for E2+8727 Configurations */
6152 			if (mode == LED_MODE_ON ||
6153 				speed == SPEED_10000){
6154 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6155 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6156 
6157 				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6158 				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6159 					(tmp | EMAC_LED_OVERRIDE));
6160 				/* Return here without enabling traffic
6161 				 * LED blink and setting rate in ON mode.
6162 				 * In oper mode, enabling LED blink
6163 				 * and setting rate is needed.
6164 				 */
6165 				if (mode == LED_MODE_ON)
6166 					return rc;
6167 			}
6168 		} else if (SINGLE_MEDIA_DIRECT(params)) {
6169 			/* This is a work-around for HW issue found when link
6170 			 * is up in CL73
6171 			 */
6172 			if ((!CHIP_IS_E3(bp)) ||
6173 			    (CHIP_IS_E3(bp) &&
6174 			     mode == LED_MODE_ON))
6175 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6176 
6177 			if (CHIP_IS_E1x(bp) ||
6178 			    CHIP_IS_E2(bp) ||
6179 			    (mode == LED_MODE_ON))
6180 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6181 			else
6182 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6183 				       hw_led_mode);
6184 		} else if ((params->phy[EXT_PHY1].type ==
6185 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6186 			   (mode == LED_MODE_ON)) {
6187 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6188 			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6189 			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6190 				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6191 			/* Break here; otherwise, it'll disable the
6192 			 * intended override.
6193 			 */
6194 			break;
6195 		} else
6196 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6197 			       hw_led_mode);
6198 
6199 		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6200 		/* Set blinking rate to ~15.9Hz */
6201 		if (CHIP_IS_E3(bp))
6202 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6203 			       LED_BLINK_RATE_VAL_E3);
6204 		else
6205 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6206 			       LED_BLINK_RATE_VAL_E1X_E2);
6207 		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6208 		       port*4, 1);
6209 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6210 		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6211 			(tmp & (~EMAC_LED_OVERRIDE)));
6212 
6213 		if (CHIP_IS_E1(bp) &&
6214 		    ((speed == SPEED_2500) ||
6215 		     (speed == SPEED_1000) ||
6216 		     (speed == SPEED_100) ||
6217 		     (speed == SPEED_10))) {
6218 			/* For speeds less than 10G LED scheme is different */
6219 			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6220 			       + port*4, 1);
6221 			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6222 			       port*4, 0);
6223 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6224 			       port*4, 1);
6225 		}
6226 		break;
6227 
6228 	default:
6229 		rc = -EINVAL;
6230 		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6231 			 mode);
6232 		break;
6233 	}
6234 	return rc;
6235 
6236 }
6237 
6238 /* This function comes to reflect the actual link state read DIRECTLY from the
6239  * HW
6240  */
6241 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6242 		    u8 is_serdes)
6243 {
6244 	struct bnx2x *bp = params->bp;
6245 	u16 gp_status = 0, phy_index = 0;
6246 	u8 ext_phy_link_up = 0, serdes_phy_type;
6247 	struct link_vars temp_vars;
6248 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6249 
6250 	if (CHIP_IS_E3(bp)) {
6251 		u16 link_up;
6252 		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6253 		    > SPEED_10000) {
6254 			/* Check 20G link */
6255 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6256 					1, &link_up);
6257 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6258 					1, &link_up);
6259 			link_up &= (1<<2);
6260 		} else {
6261 			/* Check 10G link and below*/
6262 			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6263 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6264 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6265 					&gp_status);
6266 			gp_status = ((gp_status >> 8) & 0xf) |
6267 				((gp_status >> 12) & 0xf);
6268 			link_up = gp_status & (1 << lane);
6269 		}
6270 		if (!link_up)
6271 			return -ESRCH;
6272 	} else {
6273 		CL22_RD_OVER_CL45(bp, int_phy,
6274 			  MDIO_REG_BANK_GP_STATUS,
6275 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6276 			  &gp_status);
6277 	/* link is up only if both local phy and external phy are up */
6278 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6279 		return -ESRCH;
6280 	}
6281 	/* In XGXS loopback mode, do not check external PHY */
6282 	if (params->loopback_mode == LOOPBACK_XGXS)
6283 		return 0;
6284 
6285 	switch (params->num_phys) {
6286 	case 1:
6287 		/* No external PHY */
6288 		return 0;
6289 	case 2:
6290 		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6291 			&params->phy[EXT_PHY1],
6292 			params, &temp_vars);
6293 		break;
6294 	case 3: /* Dual Media */
6295 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6296 		      phy_index++) {
6297 			serdes_phy_type = ((params->phy[phy_index].media_type ==
6298 					    ETH_PHY_SFP_FIBER) ||
6299 					   (params->phy[phy_index].media_type ==
6300 					    ETH_PHY_XFP_FIBER) ||
6301 					   (params->phy[phy_index].media_type ==
6302 					    ETH_PHY_DA_TWINAX));
6303 
6304 			if (is_serdes != serdes_phy_type)
6305 				continue;
6306 			if (params->phy[phy_index].read_status) {
6307 				ext_phy_link_up |=
6308 					params->phy[phy_index].read_status(
6309 						&params->phy[phy_index],
6310 						params, &temp_vars);
6311 			}
6312 		}
6313 		break;
6314 	}
6315 	if (ext_phy_link_up)
6316 		return 0;
6317 	return -ESRCH;
6318 }
6319 
6320 static int bnx2x_link_initialize(struct link_params *params,
6321 				 struct link_vars *vars)
6322 {
6323 	int rc = 0;
6324 	u8 phy_index, non_ext_phy;
6325 	struct bnx2x *bp = params->bp;
6326 	/* In case of external phy existence, the line speed would be the
6327 	 * line speed linked up by the external phy. In case it is direct
6328 	 * only, then the line_speed during initialization will be
6329 	 * equal to the req_line_speed
6330 	 */
6331 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6332 
6333 	/* Initialize the internal phy in case this is a direct board
6334 	 * (no external phys), or this board has external phy which requires
6335 	 * to first.
6336 	 */
6337 	if (!USES_WARPCORE(bp))
6338 		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6339 	/* init ext phy and enable link state int */
6340 	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6341 		       (params->loopback_mode == LOOPBACK_XGXS));
6342 
6343 	if (non_ext_phy ||
6344 	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6345 	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6346 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6347 		if (vars->line_speed == SPEED_AUTO_NEG &&
6348 		    (CHIP_IS_E1x(bp) ||
6349 		     CHIP_IS_E2(bp)))
6350 			bnx2x_set_parallel_detection(phy, params);
6351 			if (params->phy[INT_PHY].config_init)
6352 				params->phy[INT_PHY].config_init(phy,
6353 								 params,
6354 								 vars);
6355 	}
6356 
6357 	/* Init external phy*/
6358 	if (non_ext_phy) {
6359 		if (params->phy[INT_PHY].supported &
6360 		    SUPPORTED_FIBRE)
6361 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6362 	} else {
6363 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6364 		      phy_index++) {
6365 			/* No need to initialize second phy in case of first
6366 			 * phy only selection. In case of second phy, we do
6367 			 * need to initialize the first phy, since they are
6368 			 * connected.
6369 			 */
6370 			if (params->phy[phy_index].supported &
6371 			    SUPPORTED_FIBRE)
6372 				vars->link_status |= LINK_STATUS_SERDES_LINK;
6373 
6374 			if (phy_index == EXT_PHY2 &&
6375 			    (bnx2x_phy_selection(params) ==
6376 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6377 				DP(NETIF_MSG_LINK,
6378 				   "Not initializing second phy\n");
6379 				continue;
6380 			}
6381 			params->phy[phy_index].config_init(
6382 				&params->phy[phy_index],
6383 				params, vars);
6384 		}
6385 	}
6386 	/* Reset the interrupt indication after phy was initialized */
6387 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6388 		       params->port*4,
6389 		       (NIG_STATUS_XGXS0_LINK10G |
6390 			NIG_STATUS_XGXS0_LINK_STATUS |
6391 			NIG_STATUS_SERDES0_LINK_STATUS |
6392 			NIG_MASK_MI_INT));
6393 	return rc;
6394 }
6395 
6396 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6397 				 struct link_params *params)
6398 {
6399 	/* reset the SerDes/XGXS */
6400 	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6401 	       (0x1ff << (params->port*16)));
6402 }
6403 
6404 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6405 					struct link_params *params)
6406 {
6407 	struct bnx2x *bp = params->bp;
6408 	u8 gpio_port;
6409 	/* HW reset */
6410 	if (CHIP_IS_E2(bp))
6411 		gpio_port = BP_PATH(bp);
6412 	else
6413 		gpio_port = params->port;
6414 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6415 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6416 		       gpio_port);
6417 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6418 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6419 		       gpio_port);
6420 	DP(NETIF_MSG_LINK, "reset external PHY\n");
6421 }
6422 
6423 static int bnx2x_update_link_down(struct link_params *params,
6424 				  struct link_vars *vars)
6425 {
6426 	struct bnx2x *bp = params->bp;
6427 	u8 port = params->port;
6428 
6429 	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6430 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6431 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6432 	/* indicate no mac active */
6433 	vars->mac_type = MAC_TYPE_NONE;
6434 
6435 	/* update shared memory */
6436 	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6437 			       LINK_STATUS_LINK_UP |
6438 			       LINK_STATUS_PHYSICAL_LINK_FLAG |
6439 			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6440 			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6441 			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6442 			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
6443 			       LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
6444 			       LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
6445 	vars->line_speed = 0;
6446 	bnx2x_update_mng(params, vars->link_status);
6447 
6448 	/* activate nig drain */
6449 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6450 
6451 	/* disable emac */
6452 	if (!CHIP_IS_E3(bp))
6453 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6454 
6455 	msleep(10);
6456 	/* reset BigMac/Xmac */
6457 	if (CHIP_IS_E1x(bp) ||
6458 	    CHIP_IS_E2(bp)) {
6459 		bnx2x_bmac_rx_disable(bp, params->port);
6460 		REG_WR(bp, GRCBASE_MISC +
6461 		       MISC_REGISTERS_RESET_REG_2_CLEAR,
6462 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6463 	}
6464 	if (CHIP_IS_E3(bp)) {
6465 		bnx2x_xmac_disable(params);
6466 		bnx2x_umac_disable(params);
6467 	}
6468 
6469 	return 0;
6470 }
6471 
6472 static int bnx2x_update_link_up(struct link_params *params,
6473 				struct link_vars *vars,
6474 				u8 link_10g)
6475 {
6476 	struct bnx2x *bp = params->bp;
6477 	u8 phy_idx, port = params->port;
6478 	int rc = 0;
6479 
6480 	vars->link_status |= (LINK_STATUS_LINK_UP |
6481 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6482 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6483 
6484 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6485 		vars->link_status |=
6486 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6487 
6488 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6489 		vars->link_status |=
6490 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6491 	if (USES_WARPCORE(bp)) {
6492 		if (link_10g) {
6493 			if (bnx2x_xmac_enable(params, vars, 0) ==
6494 			    -ESRCH) {
6495 				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6496 				vars->link_up = 0;
6497 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6498 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6499 			}
6500 		} else
6501 			bnx2x_umac_enable(params, vars, 0);
6502 		bnx2x_set_led(params, vars,
6503 			      LED_MODE_OPER, vars->line_speed);
6504 	}
6505 	if ((CHIP_IS_E1x(bp) ||
6506 	     CHIP_IS_E2(bp))) {
6507 		if (link_10g) {
6508 			if (bnx2x_bmac_enable(params, vars, 0) ==
6509 			    -ESRCH) {
6510 				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6511 				vars->link_up = 0;
6512 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6513 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6514 			}
6515 
6516 			bnx2x_set_led(params, vars,
6517 				      LED_MODE_OPER, SPEED_10000);
6518 		} else {
6519 			rc = bnx2x_emac_program(params, vars);
6520 			bnx2x_emac_enable(params, vars, 0);
6521 
6522 			/* AN complete? */
6523 			if ((vars->link_status &
6524 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6525 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6526 			    SINGLE_MEDIA_DIRECT(params))
6527 				bnx2x_set_gmii_tx_driver(params);
6528 		}
6529 	}
6530 
6531 	/* PBF - link up */
6532 	if (CHIP_IS_E1x(bp))
6533 		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6534 				       vars->line_speed);
6535 
6536 	/* disable drain */
6537 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6538 
6539 	/* update shared memory */
6540 	bnx2x_update_mng(params, vars->link_status);
6541 
6542 	/* Check remote fault */
6543 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6544 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6545 			bnx2x_check_half_open_conn(params, vars, 0);
6546 			break;
6547 		}
6548 	}
6549 	msleep(20);
6550 	return rc;
6551 }
6552 /* The bnx2x_link_update function should be called upon link
6553  * interrupt.
6554  * Link is considered up as follows:
6555  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6556  *   to be up
6557  * - SINGLE_MEDIA - The link between the 577xx and the external
6558  *   phy (XGXS) need to up as well as the external link of the
6559  *   phy (PHY_EXT1)
6560  * - DUAL_MEDIA - The link between the 577xx and the first
6561  *   external phy needs to be up, and at least one of the 2
6562  *   external phy link must be up.
6563  */
6564 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6565 {
6566 	struct bnx2x *bp = params->bp;
6567 	struct link_vars phy_vars[MAX_PHYS];
6568 	u8 port = params->port;
6569 	u8 link_10g_plus, phy_index;
6570 	u8 ext_phy_link_up = 0, cur_link_up;
6571 	int rc = 0;
6572 	u8 is_mi_int = 0;
6573 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6574 	u8 active_external_phy = INT_PHY;
6575 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6576 	for (phy_index = INT_PHY; phy_index < params->num_phys;
6577 	      phy_index++) {
6578 		phy_vars[phy_index].flow_ctrl = 0;
6579 		phy_vars[phy_index].link_status = 0;
6580 		phy_vars[phy_index].line_speed = 0;
6581 		phy_vars[phy_index].duplex = DUPLEX_FULL;
6582 		phy_vars[phy_index].phy_link_up = 0;
6583 		phy_vars[phy_index].link_up = 0;
6584 		phy_vars[phy_index].fault_detected = 0;
6585 	}
6586 
6587 	if (USES_WARPCORE(bp))
6588 		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6589 
6590 	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6591 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6592 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6593 
6594 	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6595 				port*0x18) > 0);
6596 	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6597 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6598 		 is_mi_int,
6599 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6600 
6601 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6602 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6603 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6604 
6605 	/* disable emac */
6606 	if (!CHIP_IS_E3(bp))
6607 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6608 
6609 	/* Step 1:
6610 	 * Check external link change only for external phys, and apply
6611 	 * priority selection between them in case the link on both phys
6612 	 * is up. Note that instead of the common vars, a temporary
6613 	 * vars argument is used since each phy may have different link/
6614 	 * speed/duplex result
6615 	 */
6616 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6617 	      phy_index++) {
6618 		struct bnx2x_phy *phy = &params->phy[phy_index];
6619 		if (!phy->read_status)
6620 			continue;
6621 		/* Read link status and params of this ext phy */
6622 		cur_link_up = phy->read_status(phy, params,
6623 					       &phy_vars[phy_index]);
6624 		if (cur_link_up) {
6625 			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6626 				   phy_index);
6627 		} else {
6628 			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6629 				   phy_index);
6630 			continue;
6631 		}
6632 
6633 		if (!ext_phy_link_up) {
6634 			ext_phy_link_up = 1;
6635 			active_external_phy = phy_index;
6636 		} else {
6637 			switch (bnx2x_phy_selection(params)) {
6638 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6639 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6640 			/* In this option, the first PHY makes sure to pass the
6641 			 * traffic through itself only.
6642 			 * Its not clear how to reset the link on the second phy
6643 			 */
6644 				active_external_phy = EXT_PHY1;
6645 				break;
6646 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6647 			/* In this option, the first PHY makes sure to pass the
6648 			 * traffic through the second PHY.
6649 			 */
6650 				active_external_phy = EXT_PHY2;
6651 				break;
6652 			default:
6653 			/* Link indication on both PHYs with the following cases
6654 			 * is invalid:
6655 			 * - FIRST_PHY means that second phy wasn't initialized,
6656 			 * hence its link is expected to be down
6657 			 * - SECOND_PHY means that first phy should not be able
6658 			 * to link up by itself (using configuration)
6659 			 * - DEFAULT should be overriden during initialiazation
6660 			 */
6661 				DP(NETIF_MSG_LINK, "Invalid link indication"
6662 					   "mpc=0x%x. DISABLING LINK !!!\n",
6663 					   params->multi_phy_config);
6664 				ext_phy_link_up = 0;
6665 				break;
6666 			}
6667 		}
6668 	}
6669 	prev_line_speed = vars->line_speed;
6670 	/* Step 2:
6671 	 * Read the status of the internal phy. In case of
6672 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6673 	 * otherwise this is the link between the 577xx and the first
6674 	 * external phy
6675 	 */
6676 	if (params->phy[INT_PHY].read_status)
6677 		params->phy[INT_PHY].read_status(
6678 			&params->phy[INT_PHY],
6679 			params, vars);
6680 	/* The INT_PHY flow control reside in the vars. This include the
6681 	 * case where the speed or flow control are not set to AUTO.
6682 	 * Otherwise, the active external phy flow control result is set
6683 	 * to the vars. The ext_phy_line_speed is needed to check if the
6684 	 * speed is different between the internal phy and external phy.
6685 	 * This case may be result of intermediate link speed change.
6686 	 */
6687 	if (active_external_phy > INT_PHY) {
6688 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6689 		/* Link speed is taken from the XGXS. AN and FC result from
6690 		 * the external phy.
6691 		 */
6692 		vars->link_status |= phy_vars[active_external_phy].link_status;
6693 
6694 		/* if active_external_phy is first PHY and link is up - disable
6695 		 * disable TX on second external PHY
6696 		 */
6697 		if (active_external_phy == EXT_PHY1) {
6698 			if (params->phy[EXT_PHY2].phy_specific_func) {
6699 				DP(NETIF_MSG_LINK,
6700 				   "Disabling TX on EXT_PHY2\n");
6701 				params->phy[EXT_PHY2].phy_specific_func(
6702 					&params->phy[EXT_PHY2],
6703 					params, DISABLE_TX);
6704 			}
6705 		}
6706 
6707 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6708 		vars->duplex = phy_vars[active_external_phy].duplex;
6709 		if (params->phy[active_external_phy].supported &
6710 		    SUPPORTED_FIBRE)
6711 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6712 		else
6713 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6714 		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6715 			   active_external_phy);
6716 	}
6717 
6718 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6719 	      phy_index++) {
6720 		if (params->phy[phy_index].flags &
6721 		    FLAGS_REARM_LATCH_SIGNAL) {
6722 			bnx2x_rearm_latch_signal(bp, port,
6723 						 phy_index ==
6724 						 active_external_phy);
6725 			break;
6726 		}
6727 	}
6728 	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6729 		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6730 		   vars->link_status, ext_phy_line_speed);
6731 	/* Upon link speed change set the NIG into drain mode. Comes to
6732 	 * deals with possible FIFO glitch due to clk change when speed
6733 	 * is decreased without link down indicator
6734 	 */
6735 
6736 	if (vars->phy_link_up) {
6737 		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6738 		    (ext_phy_line_speed != vars->line_speed)) {
6739 			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6740 				   " different than the external"
6741 				   " link speed %d\n", vars->line_speed,
6742 				   ext_phy_line_speed);
6743 			vars->phy_link_up = 0;
6744 		} else if (prev_line_speed != vars->line_speed) {
6745 			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6746 			       0);
6747 			msleep(1);
6748 		}
6749 	}
6750 
6751 	/* anything 10 and over uses the bmac */
6752 	link_10g_plus = (vars->line_speed >= SPEED_10000);
6753 
6754 	bnx2x_link_int_ack(params, vars, link_10g_plus);
6755 
6756 	/* In case external phy link is up, and internal link is down
6757 	 * (not initialized yet probably after link initialization, it
6758 	 * needs to be initialized.
6759 	 * Note that after link down-up as result of cable plug, the xgxs
6760 	 * link would probably become up again without the need
6761 	 * initialize it
6762 	 */
6763 	if (!(SINGLE_MEDIA_DIRECT(params))) {
6764 		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6765 			   " init_preceding = %d\n", ext_phy_link_up,
6766 			   vars->phy_link_up,
6767 			   params->phy[EXT_PHY1].flags &
6768 			   FLAGS_INIT_XGXS_FIRST);
6769 		if (!(params->phy[EXT_PHY1].flags &
6770 		      FLAGS_INIT_XGXS_FIRST)
6771 		    && ext_phy_link_up && !vars->phy_link_up) {
6772 			vars->line_speed = ext_phy_line_speed;
6773 			if (vars->line_speed < SPEED_1000)
6774 				vars->phy_flags |= PHY_SGMII_FLAG;
6775 			else
6776 				vars->phy_flags &= ~PHY_SGMII_FLAG;
6777 
6778 			if (params->phy[INT_PHY].config_init)
6779 				params->phy[INT_PHY].config_init(
6780 					&params->phy[INT_PHY], params,
6781 						vars);
6782 		}
6783 	}
6784 	/* Link is up only if both local phy and external phy (in case of
6785 	 * non-direct board) are up and no fault detected on active PHY.
6786 	 */
6787 	vars->link_up = (vars->phy_link_up &&
6788 			 (ext_phy_link_up ||
6789 			  SINGLE_MEDIA_DIRECT(params)) &&
6790 			 (phy_vars[active_external_phy].fault_detected == 0));
6791 
6792 	/* Update the PFC configuration in case it was changed */
6793 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6794 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
6795 	else
6796 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6797 
6798 	if (vars->link_up)
6799 		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6800 	else
6801 		rc = bnx2x_update_link_down(params, vars);
6802 
6803 	/* Update MCP link status was changed */
6804 	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6805 		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6806 
6807 	return rc;
6808 }
6809 
6810 /*****************************************************************************/
6811 /*			    External Phy section			     */
6812 /*****************************************************************************/
6813 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
6814 {
6815 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6816 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6817 	msleep(1);
6818 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6819 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
6820 }
6821 
6822 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6823 				      u32 spirom_ver, u32 ver_addr)
6824 {
6825 	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6826 		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6827 
6828 	if (ver_addr)
6829 		REG_WR(bp, ver_addr, spirom_ver);
6830 }
6831 
6832 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6833 				      struct bnx2x_phy *phy,
6834 				      u8 port)
6835 {
6836 	u16 fw_ver1, fw_ver2;
6837 
6838 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6839 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6840 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6841 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
6842 	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6843 				  phy->ver_addr);
6844 }
6845 
6846 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6847 				       struct bnx2x_phy *phy,
6848 				       struct link_vars *vars)
6849 {
6850 	u16 val;
6851 	bnx2x_cl45_read(bp, phy,
6852 			MDIO_AN_DEVAD,
6853 			MDIO_AN_REG_STATUS, &val);
6854 	bnx2x_cl45_read(bp, phy,
6855 			MDIO_AN_DEVAD,
6856 			MDIO_AN_REG_STATUS, &val);
6857 	if (val & (1<<5))
6858 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6859 	if ((val & (1<<0)) == 0)
6860 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6861 }
6862 
6863 /******************************************************************/
6864 /*		common BCM8073/BCM8727 PHY SECTION		  */
6865 /******************************************************************/
6866 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6867 				  struct link_params *params,
6868 				  struct link_vars *vars)
6869 {
6870 	struct bnx2x *bp = params->bp;
6871 	if (phy->req_line_speed == SPEED_10 ||
6872 	    phy->req_line_speed == SPEED_100) {
6873 		vars->flow_ctrl = phy->req_flow_ctrl;
6874 		return;
6875 	}
6876 
6877 	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6878 	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6879 		u16 pause_result;
6880 		u16 ld_pause;		/* local */
6881 		u16 lp_pause;		/* link partner */
6882 		bnx2x_cl45_read(bp, phy,
6883 				MDIO_AN_DEVAD,
6884 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6885 
6886 		bnx2x_cl45_read(bp, phy,
6887 				MDIO_AN_DEVAD,
6888 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6889 		pause_result = (ld_pause &
6890 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6891 		pause_result |= (lp_pause &
6892 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6893 
6894 		bnx2x_pause_resolve(vars, pause_result);
6895 		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6896 			   pause_result);
6897 	}
6898 }
6899 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
6900 					     struct bnx2x_phy *phy,
6901 					     u8 port)
6902 {
6903 	u32 count = 0;
6904 	u16 fw_ver1, fw_msgout;
6905 	int rc = 0;
6906 
6907 	/* Boot port from external ROM  */
6908 	/* EDC grst */
6909 	bnx2x_cl45_write(bp, phy,
6910 			 MDIO_PMA_DEVAD,
6911 			 MDIO_PMA_REG_GEN_CTRL,
6912 			 0x0001);
6913 
6914 	/* ucode reboot and rst */
6915 	bnx2x_cl45_write(bp, phy,
6916 			 MDIO_PMA_DEVAD,
6917 			 MDIO_PMA_REG_GEN_CTRL,
6918 			 0x008c);
6919 
6920 	bnx2x_cl45_write(bp, phy,
6921 			 MDIO_PMA_DEVAD,
6922 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
6923 
6924 	/* Reset internal microprocessor */
6925 	bnx2x_cl45_write(bp, phy,
6926 			 MDIO_PMA_DEVAD,
6927 			 MDIO_PMA_REG_GEN_CTRL,
6928 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
6929 
6930 	/* Release srst bit */
6931 	bnx2x_cl45_write(bp, phy,
6932 			 MDIO_PMA_DEVAD,
6933 			 MDIO_PMA_REG_GEN_CTRL,
6934 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
6935 
6936 	/* Delay 100ms per the PHY specifications */
6937 	msleep(100);
6938 
6939 	/* 8073 sometimes taking longer to download */
6940 	do {
6941 		count++;
6942 		if (count > 300) {
6943 			DP(NETIF_MSG_LINK,
6944 				 "bnx2x_8073_8727_external_rom_boot port %x:"
6945 				 "Download failed. fw version = 0x%x\n",
6946 				 port, fw_ver1);
6947 			rc = -EINVAL;
6948 			break;
6949 		}
6950 
6951 		bnx2x_cl45_read(bp, phy,
6952 				MDIO_PMA_DEVAD,
6953 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6954 		bnx2x_cl45_read(bp, phy,
6955 				MDIO_PMA_DEVAD,
6956 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
6957 
6958 		msleep(1);
6959 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
6960 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
6961 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
6962 
6963 	/* Clear ser_boot_ctl bit */
6964 	bnx2x_cl45_write(bp, phy,
6965 			 MDIO_PMA_DEVAD,
6966 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
6967 	bnx2x_save_bcm_spirom_ver(bp, phy, port);
6968 
6969 	DP(NETIF_MSG_LINK,
6970 		 "bnx2x_8073_8727_external_rom_boot port %x:"
6971 		 "Download complete. fw version = 0x%x\n",
6972 		 port, fw_ver1);
6973 
6974 	return rc;
6975 }
6976 
6977 /******************************************************************/
6978 /*			BCM8073 PHY SECTION			  */
6979 /******************************************************************/
6980 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
6981 {
6982 	/* This is only required for 8073A1, version 102 only */
6983 	u16 val;
6984 
6985 	/* Read 8073 HW revision*/
6986 	bnx2x_cl45_read(bp, phy,
6987 			MDIO_PMA_DEVAD,
6988 			MDIO_PMA_REG_8073_CHIP_REV, &val);
6989 
6990 	if (val != 1) {
6991 		/* No need to workaround in 8073 A1 */
6992 		return 0;
6993 	}
6994 
6995 	bnx2x_cl45_read(bp, phy,
6996 			MDIO_PMA_DEVAD,
6997 			MDIO_PMA_REG_ROM_VER2, &val);
6998 
6999 	/* SNR should be applied only for version 0x102 */
7000 	if (val != 0x102)
7001 		return 0;
7002 
7003 	return 1;
7004 }
7005 
7006 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7007 {
7008 	u16 val, cnt, cnt1 ;
7009 
7010 	bnx2x_cl45_read(bp, phy,
7011 			MDIO_PMA_DEVAD,
7012 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7013 
7014 	if (val > 0) {
7015 		/* No need to workaround in 8073 A1 */
7016 		return 0;
7017 	}
7018 	/* XAUI workaround in 8073 A0: */
7019 
7020 	/* After loading the boot ROM and restarting Autoneg, poll
7021 	 * Dev1, Reg $C820:
7022 	 */
7023 
7024 	for (cnt = 0; cnt < 1000; cnt++) {
7025 		bnx2x_cl45_read(bp, phy,
7026 				MDIO_PMA_DEVAD,
7027 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7028 				&val);
7029 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7030 		   * system initialization (XAUI work-around not required, as
7031 		   * these bits indicate 2.5G or 1G link up).
7032 		   */
7033 		if (!(val & (1<<14)) || !(val & (1<<13))) {
7034 			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7035 			return 0;
7036 		} else if (!(val & (1<<15))) {
7037 			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7038 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7039 			 * MSB (bit15) goes to 1 (indicating that the XAUI
7040 			 * workaround has completed), then continue on with
7041 			 * system initialization.
7042 			 */
7043 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7044 				bnx2x_cl45_read(bp, phy,
7045 					MDIO_PMA_DEVAD,
7046 					MDIO_PMA_REG_8073_XAUI_WA, &val);
7047 				if (val & (1<<15)) {
7048 					DP(NETIF_MSG_LINK,
7049 					  "XAUI workaround has completed\n");
7050 					return 0;
7051 				 }
7052 				 msleep(3);
7053 			}
7054 			break;
7055 		}
7056 		msleep(3);
7057 	}
7058 	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7059 	return -EINVAL;
7060 }
7061 
7062 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7063 {
7064 	/* Force KR or KX */
7065 	bnx2x_cl45_write(bp, phy,
7066 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7067 	bnx2x_cl45_write(bp, phy,
7068 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7069 	bnx2x_cl45_write(bp, phy,
7070 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7071 	bnx2x_cl45_write(bp, phy,
7072 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7073 }
7074 
7075 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7076 				      struct bnx2x_phy *phy,
7077 				      struct link_vars *vars)
7078 {
7079 	u16 cl37_val;
7080 	struct bnx2x *bp = params->bp;
7081 	bnx2x_cl45_read(bp, phy,
7082 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7083 
7084 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7085 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7086 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7087 	if ((vars->ieee_fc &
7088 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7089 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7090 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7091 	}
7092 	if ((vars->ieee_fc &
7093 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7094 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7095 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7096 	}
7097 	if ((vars->ieee_fc &
7098 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7099 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7100 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7101 	}
7102 	DP(NETIF_MSG_LINK,
7103 		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7104 
7105 	bnx2x_cl45_write(bp, phy,
7106 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7107 	msleep(500);
7108 }
7109 
7110 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7111 				  struct link_params *params,
7112 				  struct link_vars *vars)
7113 {
7114 	struct bnx2x *bp = params->bp;
7115 	u16 val = 0, tmp1;
7116 	u8 gpio_port;
7117 	DP(NETIF_MSG_LINK, "Init 8073\n");
7118 
7119 	if (CHIP_IS_E2(bp))
7120 		gpio_port = BP_PATH(bp);
7121 	else
7122 		gpio_port = params->port;
7123 	/* Restore normal power mode*/
7124 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7125 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7126 
7127 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7128 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7129 
7130 	/* enable LASI */
7131 	bnx2x_cl45_write(bp, phy,
7132 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7133 	bnx2x_cl45_write(bp, phy,
7134 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7135 
7136 	bnx2x_8073_set_pause_cl37(params, phy, vars);
7137 
7138 	bnx2x_cl45_read(bp, phy,
7139 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7140 
7141 	bnx2x_cl45_read(bp, phy,
7142 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7143 
7144 	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7145 
7146 	/* Swap polarity if required - Must be done only in non-1G mode */
7147 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7148 		/* Configure the 8073 to swap _P and _N of the KR lines */
7149 		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7150 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7151 		bnx2x_cl45_read(bp, phy,
7152 				MDIO_PMA_DEVAD,
7153 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7154 		bnx2x_cl45_write(bp, phy,
7155 				 MDIO_PMA_DEVAD,
7156 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7157 				 (val | (3<<9)));
7158 	}
7159 
7160 
7161 	/* Enable CL37 BAM */
7162 	if (REG_RD(bp, params->shmem_base +
7163 			 offsetof(struct shmem_region, dev_info.
7164 				  port_hw_config[params->port].default_cfg)) &
7165 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7166 
7167 		bnx2x_cl45_read(bp, phy,
7168 				MDIO_AN_DEVAD,
7169 				MDIO_AN_REG_8073_BAM, &val);
7170 		bnx2x_cl45_write(bp, phy,
7171 				 MDIO_AN_DEVAD,
7172 				 MDIO_AN_REG_8073_BAM, val | 1);
7173 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7174 	}
7175 	if (params->loopback_mode == LOOPBACK_EXT) {
7176 		bnx2x_807x_force_10G(bp, phy);
7177 		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7178 		return 0;
7179 	} else {
7180 		bnx2x_cl45_write(bp, phy,
7181 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7182 	}
7183 	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7184 		if (phy->req_line_speed == SPEED_10000) {
7185 			val = (1<<7);
7186 		} else if (phy->req_line_speed ==  SPEED_2500) {
7187 			val = (1<<5);
7188 			/* Note that 2.5G works only when used with 1G
7189 			 * advertisement
7190 			 */
7191 		} else
7192 			val = (1<<5);
7193 	} else {
7194 		val = 0;
7195 		if (phy->speed_cap_mask &
7196 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7197 			val |= (1<<7);
7198 
7199 		/* Note that 2.5G works only when used with 1G advertisement */
7200 		if (phy->speed_cap_mask &
7201 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7202 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7203 			val |= (1<<5);
7204 		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7205 	}
7206 
7207 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7208 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7209 
7210 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7211 	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7212 	    (phy->req_line_speed == SPEED_2500)) {
7213 		u16 phy_ver;
7214 		/* Allow 2.5G for A1 and above */
7215 		bnx2x_cl45_read(bp, phy,
7216 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7217 				&phy_ver);
7218 		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7219 		if (phy_ver > 0)
7220 			tmp1 |= 1;
7221 		else
7222 			tmp1 &= 0xfffe;
7223 	} else {
7224 		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7225 		tmp1 &= 0xfffe;
7226 	}
7227 
7228 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7229 	/* Add support for CL37 (passive mode) II */
7230 
7231 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7232 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7233 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7234 				  0x20 : 0x40)));
7235 
7236 	/* Add support for CL37 (passive mode) III */
7237 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7238 
7239 	/* The SNR will improve about 2db by changing BW and FEE main
7240 	 * tap. Rest commands are executed after link is up
7241 	 * Change FFE main cursor to 5 in EDC register
7242 	 */
7243 	if (bnx2x_8073_is_snr_needed(bp, phy))
7244 		bnx2x_cl45_write(bp, phy,
7245 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7246 				 0xFB0C);
7247 
7248 	/* Enable FEC (Forware Error Correction) Request in the AN */
7249 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7250 	tmp1 |= (1<<15);
7251 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7252 
7253 	bnx2x_ext_phy_set_pause(params, phy, vars);
7254 
7255 	/* Restart autoneg */
7256 	msleep(500);
7257 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7258 	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7259 		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7260 	return 0;
7261 }
7262 
7263 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7264 				 struct link_params *params,
7265 				 struct link_vars *vars)
7266 {
7267 	struct bnx2x *bp = params->bp;
7268 	u8 link_up = 0;
7269 	u16 val1, val2;
7270 	u16 link_status = 0;
7271 	u16 an1000_status = 0;
7272 
7273 	bnx2x_cl45_read(bp, phy,
7274 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7275 
7276 	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7277 
7278 	/* clear the interrupt LASI status register */
7279 	bnx2x_cl45_read(bp, phy,
7280 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7281 	bnx2x_cl45_read(bp, phy,
7282 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7283 	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7284 	/* Clear MSG-OUT */
7285 	bnx2x_cl45_read(bp, phy,
7286 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7287 
7288 	/* Check the LASI */
7289 	bnx2x_cl45_read(bp, phy,
7290 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7291 
7292 	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7293 
7294 	/* Check the link status */
7295 	bnx2x_cl45_read(bp, phy,
7296 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7297 	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7298 
7299 	bnx2x_cl45_read(bp, phy,
7300 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7301 	bnx2x_cl45_read(bp, phy,
7302 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7303 	link_up = ((val1 & 4) == 4);
7304 	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7305 
7306 	if (link_up &&
7307 	     ((phy->req_line_speed != SPEED_10000))) {
7308 		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7309 			return 0;
7310 	}
7311 	bnx2x_cl45_read(bp, phy,
7312 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7313 	bnx2x_cl45_read(bp, phy,
7314 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7315 
7316 	/* Check the link status on 1.1.2 */
7317 	bnx2x_cl45_read(bp, phy,
7318 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7319 	bnx2x_cl45_read(bp, phy,
7320 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7321 	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7322 		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7323 
7324 	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7325 	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7326 		/* The SNR will improve about 2dbby changing the BW and FEE main
7327 		 * tap. The 1st write to change FFE main tap is set before
7328 		 * restart AN. Change PLL Bandwidth in EDC register
7329 		 */
7330 		bnx2x_cl45_write(bp, phy,
7331 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7332 				 0x26BC);
7333 
7334 		/* Change CDR Bandwidth in EDC register */
7335 		bnx2x_cl45_write(bp, phy,
7336 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7337 				 0x0333);
7338 	}
7339 	bnx2x_cl45_read(bp, phy,
7340 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7341 			&link_status);
7342 
7343 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7344 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7345 		link_up = 1;
7346 		vars->line_speed = SPEED_10000;
7347 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7348 			   params->port);
7349 	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7350 		link_up = 1;
7351 		vars->line_speed = SPEED_2500;
7352 		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7353 			   params->port);
7354 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7355 		link_up = 1;
7356 		vars->line_speed = SPEED_1000;
7357 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7358 			   params->port);
7359 	} else {
7360 		link_up = 0;
7361 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7362 			   params->port);
7363 	}
7364 
7365 	if (link_up) {
7366 		/* Swap polarity if required */
7367 		if (params->lane_config &
7368 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7369 			/* Configure the 8073 to swap P and N of the KR lines */
7370 			bnx2x_cl45_read(bp, phy,
7371 					MDIO_XS_DEVAD,
7372 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7373 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7374 			 * when it`s in 10G mode.
7375 			 */
7376 			if (vars->line_speed == SPEED_1000) {
7377 				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7378 					      "the 8073\n");
7379 				val1 |= (1<<3);
7380 			} else
7381 				val1 &= ~(1<<3);
7382 
7383 			bnx2x_cl45_write(bp, phy,
7384 					 MDIO_XS_DEVAD,
7385 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7386 					 val1);
7387 		}
7388 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7389 		bnx2x_8073_resolve_fc(phy, params, vars);
7390 		vars->duplex = DUPLEX_FULL;
7391 	}
7392 
7393 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7394 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7395 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7396 
7397 		if (val1 & (1<<5))
7398 			vars->link_status |=
7399 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7400 		if (val1 & (1<<7))
7401 			vars->link_status |=
7402 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7403 	}
7404 
7405 	return link_up;
7406 }
7407 
7408 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7409 				  struct link_params *params)
7410 {
7411 	struct bnx2x *bp = params->bp;
7412 	u8 gpio_port;
7413 	if (CHIP_IS_E2(bp))
7414 		gpio_port = BP_PATH(bp);
7415 	else
7416 		gpio_port = params->port;
7417 	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7418 	   gpio_port);
7419 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7420 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7421 		       gpio_port);
7422 }
7423 
7424 /******************************************************************/
7425 /*			BCM8705 PHY SECTION			  */
7426 /******************************************************************/
7427 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7428 				  struct link_params *params,
7429 				  struct link_vars *vars)
7430 {
7431 	struct bnx2x *bp = params->bp;
7432 	DP(NETIF_MSG_LINK, "init 8705\n");
7433 	/* Restore normal power mode*/
7434 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7435 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7436 	/* HW reset */
7437 	bnx2x_ext_phy_hw_reset(bp, params->port);
7438 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7439 	bnx2x_wait_reset_complete(bp, phy, params);
7440 
7441 	bnx2x_cl45_write(bp, phy,
7442 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7443 	bnx2x_cl45_write(bp, phy,
7444 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7445 	bnx2x_cl45_write(bp, phy,
7446 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7447 	bnx2x_cl45_write(bp, phy,
7448 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7449 	/* BCM8705 doesn't have microcode, hence the 0 */
7450 	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7451 	return 0;
7452 }
7453 
7454 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7455 				 struct link_params *params,
7456 				 struct link_vars *vars)
7457 {
7458 	u8 link_up = 0;
7459 	u16 val1, rx_sd;
7460 	struct bnx2x *bp = params->bp;
7461 	DP(NETIF_MSG_LINK, "read status 8705\n");
7462 	bnx2x_cl45_read(bp, phy,
7463 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7464 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7465 
7466 	bnx2x_cl45_read(bp, phy,
7467 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7468 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7469 
7470 	bnx2x_cl45_read(bp, phy,
7471 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7472 
7473 	bnx2x_cl45_read(bp, phy,
7474 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7475 	bnx2x_cl45_read(bp, phy,
7476 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7477 
7478 	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7479 	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7480 	if (link_up) {
7481 		vars->line_speed = SPEED_10000;
7482 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7483 	}
7484 	return link_up;
7485 }
7486 
7487 /******************************************************************/
7488 /*			SFP+ module Section			  */
7489 /******************************************************************/
7490 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7491 					   struct bnx2x_phy *phy,
7492 					   u8 pmd_dis)
7493 {
7494 	struct bnx2x *bp = params->bp;
7495 	/* Disable transmitter only for bootcodes which can enable it afterwards
7496 	 * (for D3 link)
7497 	 */
7498 	if (pmd_dis) {
7499 		if (params->feature_config_flags &
7500 		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7501 			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7502 		else {
7503 			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7504 			return;
7505 		}
7506 	} else
7507 		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7508 	bnx2x_cl45_write(bp, phy,
7509 			 MDIO_PMA_DEVAD,
7510 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7511 }
7512 
7513 static u8 bnx2x_get_gpio_port(struct link_params *params)
7514 {
7515 	u8 gpio_port;
7516 	u32 swap_val, swap_override;
7517 	struct bnx2x *bp = params->bp;
7518 	if (CHIP_IS_E2(bp))
7519 		gpio_port = BP_PATH(bp);
7520 	else
7521 		gpio_port = params->port;
7522 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7523 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7524 	return gpio_port ^ (swap_val && swap_override);
7525 }
7526 
7527 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7528 					   struct bnx2x_phy *phy,
7529 					   u8 tx_en)
7530 {
7531 	u16 val;
7532 	u8 port = params->port;
7533 	struct bnx2x *bp = params->bp;
7534 	u32 tx_en_mode;
7535 
7536 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7537 	tx_en_mode = REG_RD(bp, params->shmem_base +
7538 			    offsetof(struct shmem_region,
7539 				     dev_info.port_hw_config[port].sfp_ctrl)) &
7540 		PORT_HW_CFG_TX_LASER_MASK;
7541 	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7542 			   "mode = %x\n", tx_en, port, tx_en_mode);
7543 	switch (tx_en_mode) {
7544 	case PORT_HW_CFG_TX_LASER_MDIO:
7545 
7546 		bnx2x_cl45_read(bp, phy,
7547 				MDIO_PMA_DEVAD,
7548 				MDIO_PMA_REG_PHY_IDENTIFIER,
7549 				&val);
7550 
7551 		if (tx_en)
7552 			val &= ~(1<<15);
7553 		else
7554 			val |= (1<<15);
7555 
7556 		bnx2x_cl45_write(bp, phy,
7557 				 MDIO_PMA_DEVAD,
7558 				 MDIO_PMA_REG_PHY_IDENTIFIER,
7559 				 val);
7560 	break;
7561 	case PORT_HW_CFG_TX_LASER_GPIO0:
7562 	case PORT_HW_CFG_TX_LASER_GPIO1:
7563 	case PORT_HW_CFG_TX_LASER_GPIO2:
7564 	case PORT_HW_CFG_TX_LASER_GPIO3:
7565 	{
7566 		u16 gpio_pin;
7567 		u8 gpio_port, gpio_mode;
7568 		if (tx_en)
7569 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7570 		else
7571 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7572 
7573 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7574 		gpio_port = bnx2x_get_gpio_port(params);
7575 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7576 		break;
7577 	}
7578 	default:
7579 		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7580 		break;
7581 	}
7582 }
7583 
7584 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7585 				      struct bnx2x_phy *phy,
7586 				      u8 tx_en)
7587 {
7588 	struct bnx2x *bp = params->bp;
7589 	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7590 	if (CHIP_IS_E3(bp))
7591 		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7592 	else
7593 		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7594 }
7595 
7596 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7597 					     struct link_params *params,
7598 					     u16 addr, u8 byte_cnt, u8 *o_buf)
7599 {
7600 	struct bnx2x *bp = params->bp;
7601 	u16 val = 0;
7602 	u16 i;
7603 	if (byte_cnt > 16) {
7604 		DP(NETIF_MSG_LINK,
7605 		   "Reading from eeprom is limited to 0xf\n");
7606 		return -EINVAL;
7607 	}
7608 	/* Set the read command byte count */
7609 	bnx2x_cl45_write(bp, phy,
7610 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7611 			 (byte_cnt | 0xa000));
7612 
7613 	/* Set the read command address */
7614 	bnx2x_cl45_write(bp, phy,
7615 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7616 			 addr);
7617 
7618 	/* Activate read command */
7619 	bnx2x_cl45_write(bp, phy,
7620 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7621 			 0x2c0f);
7622 
7623 	/* Wait up to 500us for command complete status */
7624 	for (i = 0; i < 100; i++) {
7625 		bnx2x_cl45_read(bp, phy,
7626 				MDIO_PMA_DEVAD,
7627 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7628 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7629 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7630 			break;
7631 		udelay(5);
7632 	}
7633 
7634 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7635 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7636 		DP(NETIF_MSG_LINK,
7637 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7638 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7639 		return -EINVAL;
7640 	}
7641 
7642 	/* Read the buffer */
7643 	for (i = 0; i < byte_cnt; i++) {
7644 		bnx2x_cl45_read(bp, phy,
7645 				MDIO_PMA_DEVAD,
7646 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7647 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7648 	}
7649 
7650 	for (i = 0; i < 100; i++) {
7651 		bnx2x_cl45_read(bp, phy,
7652 				MDIO_PMA_DEVAD,
7653 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7654 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7655 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7656 			return 0;
7657 		msleep(1);
7658 	}
7659 	return -EINVAL;
7660 }
7661 
7662 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7663 						 struct link_params *params,
7664 						 u16 addr, u8 byte_cnt,
7665 						 u8 *o_buf)
7666 {
7667 	int rc = 0;
7668 	u8 i, j = 0, cnt = 0;
7669 	u32 data_array[4];
7670 	u16 addr32;
7671 	struct bnx2x *bp = params->bp;
7672 	if (byte_cnt > 16) {
7673 		DP(NETIF_MSG_LINK,
7674 		   "Reading from eeprom is limited to 16 bytes\n");
7675 		return -EINVAL;
7676 	}
7677 
7678 	/* 4 byte aligned address */
7679 	addr32 = addr & (~0x3);
7680 	do {
7681 		rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7682 				    data_array);
7683 	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7684 
7685 	if (rc == 0) {
7686 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7687 			o_buf[j] = *((u8 *)data_array + i);
7688 			j++;
7689 		}
7690 	}
7691 
7692 	return rc;
7693 }
7694 
7695 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7696 					     struct link_params *params,
7697 					     u16 addr, u8 byte_cnt, u8 *o_buf)
7698 {
7699 	struct bnx2x *bp = params->bp;
7700 	u16 val, i;
7701 
7702 	if (byte_cnt > 16) {
7703 		DP(NETIF_MSG_LINK,
7704 		   "Reading from eeprom is limited to 0xf\n");
7705 		return -EINVAL;
7706 	}
7707 
7708 	/* Need to read from 1.8000 to clear it */
7709 	bnx2x_cl45_read(bp, phy,
7710 			MDIO_PMA_DEVAD,
7711 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7712 			&val);
7713 
7714 	/* Set the read command byte count */
7715 	bnx2x_cl45_write(bp, phy,
7716 			 MDIO_PMA_DEVAD,
7717 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7718 			 ((byte_cnt < 2) ? 2 : byte_cnt));
7719 
7720 	/* Set the read command address */
7721 	bnx2x_cl45_write(bp, phy,
7722 			 MDIO_PMA_DEVAD,
7723 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7724 			 addr);
7725 	/* Set the destination address */
7726 	bnx2x_cl45_write(bp, phy,
7727 			 MDIO_PMA_DEVAD,
7728 			 0x8004,
7729 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7730 
7731 	/* Activate read command */
7732 	bnx2x_cl45_write(bp, phy,
7733 			 MDIO_PMA_DEVAD,
7734 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7735 			 0x8002);
7736 	/* Wait appropriate time for two-wire command to finish before
7737 	 * polling the status register
7738 	 */
7739 	msleep(1);
7740 
7741 	/* Wait up to 500us for command complete status */
7742 	for (i = 0; i < 100; i++) {
7743 		bnx2x_cl45_read(bp, phy,
7744 				MDIO_PMA_DEVAD,
7745 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7746 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7747 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7748 			break;
7749 		udelay(5);
7750 	}
7751 
7752 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7753 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7754 		DP(NETIF_MSG_LINK,
7755 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7756 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7757 		return -EFAULT;
7758 	}
7759 
7760 	/* Read the buffer */
7761 	for (i = 0; i < byte_cnt; i++) {
7762 		bnx2x_cl45_read(bp, phy,
7763 				MDIO_PMA_DEVAD,
7764 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
7765 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7766 	}
7767 
7768 	for (i = 0; i < 100; i++) {
7769 		bnx2x_cl45_read(bp, phy,
7770 				MDIO_PMA_DEVAD,
7771 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7772 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7773 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7774 			return 0;
7775 		msleep(1);
7776 	}
7777 
7778 	return -EINVAL;
7779 }
7780 
7781 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7782 				 struct link_params *params, u16 addr,
7783 				 u8 byte_cnt, u8 *o_buf)
7784 {
7785 	int rc = -EINVAL;
7786 	switch (phy->type) {
7787 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7788 		rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7789 						       byte_cnt, o_buf);
7790 	break;
7791 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7792 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7793 		rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7794 						       byte_cnt, o_buf);
7795 	break;
7796 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7797 		rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7798 							   byte_cnt, o_buf);
7799 	break;
7800 	}
7801 	return rc;
7802 }
7803 
7804 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7805 			      struct link_params *params,
7806 			      u16 *edc_mode)
7807 {
7808 	struct bnx2x *bp = params->bp;
7809 	u32 sync_offset = 0, phy_idx, media_types;
7810 	u8 val, check_limiting_mode = 0;
7811 	*edc_mode = EDC_MODE_LIMITING;
7812 
7813 	phy->media_type = ETH_PHY_UNSPECIFIED;
7814 	/* First check for copper cable */
7815 	if (bnx2x_read_sfp_module_eeprom(phy,
7816 					 params,
7817 					 SFP_EEPROM_CON_TYPE_ADDR,
7818 					 1,
7819 					 &val) != 0) {
7820 		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7821 		return -EINVAL;
7822 	}
7823 
7824 	switch (val) {
7825 	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7826 	{
7827 		u8 copper_module_type;
7828 		phy->media_type = ETH_PHY_DA_TWINAX;
7829 		/* Check if its active cable (includes SFP+ module)
7830 		 * of passive cable
7831 		 */
7832 		if (bnx2x_read_sfp_module_eeprom(phy,
7833 					       params,
7834 					       SFP_EEPROM_FC_TX_TECH_ADDR,
7835 					       1,
7836 					       &copper_module_type) != 0) {
7837 			DP(NETIF_MSG_LINK,
7838 				"Failed to read copper-cable-type"
7839 				" from SFP+ EEPROM\n");
7840 			return -EINVAL;
7841 		}
7842 
7843 		if (copper_module_type &
7844 		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7845 			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7846 			check_limiting_mode = 1;
7847 		} else if (copper_module_type &
7848 			SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
7849 				DP(NETIF_MSG_LINK,
7850 				   "Passive Copper cable detected\n");
7851 				*edc_mode =
7852 				      EDC_MODE_PASSIVE_DAC;
7853 		} else {
7854 			DP(NETIF_MSG_LINK,
7855 			   "Unknown copper-cable-type 0x%x !!!\n",
7856 			   copper_module_type);
7857 			return -EINVAL;
7858 		}
7859 		break;
7860 	}
7861 	case SFP_EEPROM_CON_TYPE_VAL_LC:
7862 		phy->media_type = ETH_PHY_SFP_FIBER;
7863 		DP(NETIF_MSG_LINK, "Optic module detected\n");
7864 		check_limiting_mode = 1;
7865 		break;
7866 	default:
7867 		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
7868 			 val);
7869 		return -EINVAL;
7870 	}
7871 	sync_offset = params->shmem_base +
7872 		offsetof(struct shmem_region,
7873 			 dev_info.port_hw_config[params->port].media_type);
7874 	media_types = REG_RD(bp, sync_offset);
7875 	/* Update media type for non-PMF sync */
7876 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
7877 		if (&(params->phy[phy_idx]) == phy) {
7878 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
7879 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7880 			media_types |= ((phy->media_type &
7881 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
7882 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
7883 			break;
7884 		}
7885 	}
7886 	REG_WR(bp, sync_offset, media_types);
7887 	if (check_limiting_mode) {
7888 		u8 options[SFP_EEPROM_OPTIONS_SIZE];
7889 		if (bnx2x_read_sfp_module_eeprom(phy,
7890 						 params,
7891 						 SFP_EEPROM_OPTIONS_ADDR,
7892 						 SFP_EEPROM_OPTIONS_SIZE,
7893 						 options) != 0) {
7894 			DP(NETIF_MSG_LINK,
7895 			   "Failed to read Option field from module EEPROM\n");
7896 			return -EINVAL;
7897 		}
7898 		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
7899 			*edc_mode = EDC_MODE_LINEAR;
7900 		else
7901 			*edc_mode = EDC_MODE_LIMITING;
7902 	}
7903 	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7904 	return 0;
7905 }
7906 /* This function read the relevant field from the module (SFP+), and verify it
7907  * is compliant with this board
7908  */
7909 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
7910 				   struct link_params *params)
7911 {
7912 	struct bnx2x *bp = params->bp;
7913 	u32 val, cmd;
7914 	u32 fw_resp, fw_cmd_param;
7915 	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
7916 	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
7917 	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
7918 	val = REG_RD(bp, params->shmem_base +
7919 			 offsetof(struct shmem_region, dev_info.
7920 				  port_feature_config[params->port].config));
7921 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
7922 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
7923 		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
7924 		return 0;
7925 	}
7926 
7927 	if (params->feature_config_flags &
7928 	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
7929 		/* Use specific phy request */
7930 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
7931 	} else if (params->feature_config_flags &
7932 		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
7933 		/* Use first phy request only in case of non-dual media*/
7934 		if (DUAL_MEDIA(params)) {
7935 			DP(NETIF_MSG_LINK,
7936 			   "FW does not support OPT MDL verification\n");
7937 			return -EINVAL;
7938 		}
7939 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
7940 	} else {
7941 		/* No support in OPT MDL detection */
7942 		DP(NETIF_MSG_LINK,
7943 		   "FW does not support OPT MDL verification\n");
7944 		return -EINVAL;
7945 	}
7946 
7947 	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
7948 	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
7949 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
7950 		DP(NETIF_MSG_LINK, "Approved module\n");
7951 		return 0;
7952 	}
7953 
7954 	/* format the warning message */
7955 	if (bnx2x_read_sfp_module_eeprom(phy,
7956 					 params,
7957 					 SFP_EEPROM_VENDOR_NAME_ADDR,
7958 					 SFP_EEPROM_VENDOR_NAME_SIZE,
7959 					 (u8 *)vendor_name))
7960 		vendor_name[0] = '\0';
7961 	else
7962 		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
7963 	if (bnx2x_read_sfp_module_eeprom(phy,
7964 					 params,
7965 					 SFP_EEPROM_PART_NO_ADDR,
7966 					 SFP_EEPROM_PART_NO_SIZE,
7967 					 (u8 *)vendor_pn))
7968 		vendor_pn[0] = '\0';
7969 	else
7970 		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
7971 
7972 	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
7973 			      " Port %d from %s part number %s\n",
7974 			 params->port, vendor_name, vendor_pn);
7975 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
7976 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
7977 		phy->flags |= FLAGS_SFP_NOT_APPROVED;
7978 	return -EINVAL;
7979 }
7980 
7981 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
7982 						 struct link_params *params)
7983 
7984 {
7985 	u8 val;
7986 	struct bnx2x *bp = params->bp;
7987 	u16 timeout;
7988 	/* Initialization time after hot-plug may take up to 300ms for
7989 	 * some phys type ( e.g. JDSU )
7990 	 */
7991 
7992 	for (timeout = 0; timeout < 60; timeout++) {
7993 		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
7994 		    == 0) {
7995 			DP(NETIF_MSG_LINK,
7996 			   "SFP+ module initialization took %d ms\n",
7997 			   timeout * 5);
7998 			return 0;
7999 		}
8000 		msleep(5);
8001 	}
8002 	return -EINVAL;
8003 }
8004 
8005 static void bnx2x_8727_power_module(struct bnx2x *bp,
8006 				    struct bnx2x_phy *phy,
8007 				    u8 is_power_up) {
8008 	/* Make sure GPIOs are not using for LED mode */
8009 	u16 val;
8010 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8011 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8012 	 * output
8013 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8014 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8015 	 * where the 1st bit is the over-current(only input), and 2nd bit is
8016 	 * for power( only output )
8017 	 *
8018 	 * In case of NOC feature is disabled and power is up, set GPIO control
8019 	 *  as input to enable listening of over-current indication
8020 	 */
8021 	if (phy->flags & FLAGS_NOC)
8022 		return;
8023 	if (is_power_up)
8024 		val = (1<<4);
8025 	else
8026 		/* Set GPIO control to OUTPUT, and set the power bit
8027 		 * to according to the is_power_up
8028 		 */
8029 		val = (1<<1);
8030 
8031 	bnx2x_cl45_write(bp, phy,
8032 			 MDIO_PMA_DEVAD,
8033 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8034 			 val);
8035 }
8036 
8037 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8038 					struct bnx2x_phy *phy,
8039 					u16 edc_mode)
8040 {
8041 	u16 cur_limiting_mode;
8042 
8043 	bnx2x_cl45_read(bp, phy,
8044 			MDIO_PMA_DEVAD,
8045 			MDIO_PMA_REG_ROM_VER2,
8046 			&cur_limiting_mode);
8047 	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8048 		 cur_limiting_mode);
8049 
8050 	if (edc_mode == EDC_MODE_LIMITING) {
8051 		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8052 		bnx2x_cl45_write(bp, phy,
8053 				 MDIO_PMA_DEVAD,
8054 				 MDIO_PMA_REG_ROM_VER2,
8055 				 EDC_MODE_LIMITING);
8056 	} else { /* LRM mode ( default )*/
8057 
8058 		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8059 
8060 		/* Changing to LRM mode takes quite few seconds. So do it only
8061 		 * if current mode is limiting (default is LRM)
8062 		 */
8063 		if (cur_limiting_mode != EDC_MODE_LIMITING)
8064 			return 0;
8065 
8066 		bnx2x_cl45_write(bp, phy,
8067 				 MDIO_PMA_DEVAD,
8068 				 MDIO_PMA_REG_LRM_MODE,
8069 				 0);
8070 		bnx2x_cl45_write(bp, phy,
8071 				 MDIO_PMA_DEVAD,
8072 				 MDIO_PMA_REG_ROM_VER2,
8073 				 0x128);
8074 		bnx2x_cl45_write(bp, phy,
8075 				 MDIO_PMA_DEVAD,
8076 				 MDIO_PMA_REG_MISC_CTRL0,
8077 				 0x4008);
8078 		bnx2x_cl45_write(bp, phy,
8079 				 MDIO_PMA_DEVAD,
8080 				 MDIO_PMA_REG_LRM_MODE,
8081 				 0xaaaa);
8082 	}
8083 	return 0;
8084 }
8085 
8086 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8087 					struct bnx2x_phy *phy,
8088 					u16 edc_mode)
8089 {
8090 	u16 phy_identifier;
8091 	u16 rom_ver2_val;
8092 	bnx2x_cl45_read(bp, phy,
8093 			MDIO_PMA_DEVAD,
8094 			MDIO_PMA_REG_PHY_IDENTIFIER,
8095 			&phy_identifier);
8096 
8097 	bnx2x_cl45_write(bp, phy,
8098 			 MDIO_PMA_DEVAD,
8099 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8100 			 (phy_identifier & ~(1<<9)));
8101 
8102 	bnx2x_cl45_read(bp, phy,
8103 			MDIO_PMA_DEVAD,
8104 			MDIO_PMA_REG_ROM_VER2,
8105 			&rom_ver2_val);
8106 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8107 	bnx2x_cl45_write(bp, phy,
8108 			 MDIO_PMA_DEVAD,
8109 			 MDIO_PMA_REG_ROM_VER2,
8110 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8111 
8112 	bnx2x_cl45_write(bp, phy,
8113 			 MDIO_PMA_DEVAD,
8114 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8115 			 (phy_identifier | (1<<9)));
8116 
8117 	return 0;
8118 }
8119 
8120 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8121 				     struct link_params *params,
8122 				     u32 action)
8123 {
8124 	struct bnx2x *bp = params->bp;
8125 
8126 	switch (action) {
8127 	case DISABLE_TX:
8128 		bnx2x_sfp_set_transmitter(params, phy, 0);
8129 		break;
8130 	case ENABLE_TX:
8131 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8132 			bnx2x_sfp_set_transmitter(params, phy, 1);
8133 		break;
8134 	default:
8135 		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8136 		   action);
8137 		return;
8138 	}
8139 }
8140 
8141 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8142 					   u8 gpio_mode)
8143 {
8144 	struct bnx2x *bp = params->bp;
8145 
8146 	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8147 			    offsetof(struct shmem_region,
8148 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8149 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8150 	switch (fault_led_gpio) {
8151 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8152 		return;
8153 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8154 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8155 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8156 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8157 	{
8158 		u8 gpio_port = bnx2x_get_gpio_port(params);
8159 		u16 gpio_pin = fault_led_gpio -
8160 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8161 		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8162 				   "pin %x port %x mode %x\n",
8163 			       gpio_pin, gpio_port, gpio_mode);
8164 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8165 	}
8166 	break;
8167 	default:
8168 		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8169 			       fault_led_gpio);
8170 	}
8171 }
8172 
8173 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8174 					  u8 gpio_mode)
8175 {
8176 	u32 pin_cfg;
8177 	u8 port = params->port;
8178 	struct bnx2x *bp = params->bp;
8179 	pin_cfg = (REG_RD(bp, params->shmem_base +
8180 			 offsetof(struct shmem_region,
8181 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8182 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8183 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8184 	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8185 		       gpio_mode, pin_cfg);
8186 	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8187 }
8188 
8189 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8190 					   u8 gpio_mode)
8191 {
8192 	struct bnx2x *bp = params->bp;
8193 	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8194 	if (CHIP_IS_E3(bp)) {
8195 		/* Low ==> if SFP+ module is supported otherwise
8196 		 * High ==> if SFP+ module is not on the approved vendor list
8197 		 */
8198 		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8199 	} else
8200 		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8201 }
8202 
8203 static void bnx2x_warpcore_power_module(struct link_params *params,
8204 					struct bnx2x_phy *phy,
8205 					u8 power)
8206 {
8207 	u32 pin_cfg;
8208 	struct bnx2x *bp = params->bp;
8209 
8210 	pin_cfg = (REG_RD(bp, params->shmem_base +
8211 			  offsetof(struct shmem_region,
8212 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
8213 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
8214 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
8215 
8216 	if (pin_cfg == PIN_CFG_NA)
8217 		return;
8218 	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
8219 		       power, pin_cfg);
8220 	/* Low ==> corresponding SFP+ module is powered
8221 	 * high ==> the SFP+ module is powered down
8222 	 */
8223 	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
8224 }
8225 
8226 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8227 				    struct link_params *params)
8228 {
8229 	struct bnx2x *bp = params->bp;
8230 	bnx2x_warpcore_power_module(params, phy, 0);
8231 	/* Put Warpcore in low power mode */
8232 	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8233 
8234 	/* Put LCPLL in low power mode */
8235 	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8236 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8237 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8238 }
8239 
8240 static void bnx2x_power_sfp_module(struct link_params *params,
8241 				   struct bnx2x_phy *phy,
8242 				   u8 power)
8243 {
8244 	struct bnx2x *bp = params->bp;
8245 	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8246 
8247 	switch (phy->type) {
8248 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8249 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8250 		bnx2x_8727_power_module(params->bp, phy, power);
8251 		break;
8252 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8253 		bnx2x_warpcore_power_module(params, phy, power);
8254 		break;
8255 	default:
8256 		break;
8257 	}
8258 }
8259 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8260 					     struct bnx2x_phy *phy,
8261 					     u16 edc_mode)
8262 {
8263 	u16 val = 0;
8264 	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8265 	struct bnx2x *bp = params->bp;
8266 
8267 	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8268 	/* This is a global register which controls all lanes */
8269 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8270 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8271 	val &= ~(0xf << (lane << 2));
8272 
8273 	switch (edc_mode) {
8274 	case EDC_MODE_LINEAR:
8275 	case EDC_MODE_LIMITING:
8276 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8277 		break;
8278 	case EDC_MODE_PASSIVE_DAC:
8279 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8280 		break;
8281 	default:
8282 		break;
8283 	}
8284 
8285 	val |= (mode << (lane << 2));
8286 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8287 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8288 	/* A must read */
8289 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8290 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8291 
8292 	/* Restart microcode to re-read the new mode */
8293 	bnx2x_warpcore_reset_lane(bp, phy, 1);
8294 	bnx2x_warpcore_reset_lane(bp, phy, 0);
8295 
8296 }
8297 
8298 static void bnx2x_set_limiting_mode(struct link_params *params,
8299 				    struct bnx2x_phy *phy,
8300 				    u16 edc_mode)
8301 {
8302 	switch (phy->type) {
8303 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8304 		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8305 		break;
8306 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8307 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8308 		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8309 		break;
8310 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8311 		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8312 		break;
8313 	}
8314 }
8315 
8316 int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8317 			       struct link_params *params)
8318 {
8319 	struct bnx2x *bp = params->bp;
8320 	u16 edc_mode;
8321 	int rc = 0;
8322 
8323 	u32 val = REG_RD(bp, params->shmem_base +
8324 			     offsetof(struct shmem_region, dev_info.
8325 				     port_feature_config[params->port].config));
8326 
8327 	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8328 		 params->port);
8329 	/* Power up module */
8330 	bnx2x_power_sfp_module(params, phy, 1);
8331 	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8332 		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8333 		return -EINVAL;
8334 	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8335 		/* check SFP+ module compatibility */
8336 		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8337 		rc = -EINVAL;
8338 		/* Turn on fault module-detected led */
8339 		bnx2x_set_sfp_module_fault_led(params,
8340 					       MISC_REGISTERS_GPIO_HIGH);
8341 
8342 		/* Check if need to power down the SFP+ module */
8343 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8344 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8345 			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8346 			bnx2x_power_sfp_module(params, phy, 0);
8347 			return rc;
8348 		}
8349 	} else {
8350 		/* Turn off fault module-detected led */
8351 		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8352 	}
8353 
8354 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8355 	 * is done automatically
8356 	 */
8357 	bnx2x_set_limiting_mode(params, phy, edc_mode);
8358 
8359 	/* Enable transmit for this module if the module is approved, or
8360 	 * if unapproved modules should also enable the Tx laser
8361 	 */
8362 	if (rc == 0 ||
8363 	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8364 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
8365 		bnx2x_sfp_set_transmitter(params, phy, 1);
8366 	else
8367 		bnx2x_sfp_set_transmitter(params, phy, 0);
8368 
8369 	return rc;
8370 }
8371 
8372 void bnx2x_handle_module_detect_int(struct link_params *params)
8373 {
8374 	struct bnx2x *bp = params->bp;
8375 	struct bnx2x_phy *phy;
8376 	u32 gpio_val;
8377 	u8 gpio_num, gpio_port;
8378 	if (CHIP_IS_E3(bp))
8379 		phy = &params->phy[INT_PHY];
8380 	else
8381 		phy = &params->phy[EXT_PHY1];
8382 
8383 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8384 				      params->port, &gpio_num, &gpio_port) ==
8385 	    -EINVAL) {
8386 		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8387 		return;
8388 	}
8389 
8390 	/* Set valid module led off */
8391 	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8392 
8393 	/* Get current gpio val reflecting module plugged in / out*/
8394 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8395 
8396 	/* Call the handling function in case module is detected */
8397 	if (gpio_val == 0) {
8398 		bnx2x_power_sfp_module(params, phy, 1);
8399 		bnx2x_set_gpio_int(bp, gpio_num,
8400 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8401 				   gpio_port);
8402 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
8403 			bnx2x_sfp_module_detection(phy, params);
8404 		else
8405 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8406 	} else {
8407 		u32 val = REG_RD(bp, params->shmem_base +
8408 				 offsetof(struct shmem_region, dev_info.
8409 					  port_feature_config[params->port].
8410 					  config));
8411 		bnx2x_set_gpio_int(bp, gpio_num,
8412 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8413 				   gpio_port);
8414 		/* Module was plugged out.
8415 		 * Disable transmit for this module
8416 		 */
8417 		phy->media_type = ETH_PHY_NOT_PRESENT;
8418 		if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8419 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8420 		    CHIP_IS_E3(bp))
8421 			bnx2x_sfp_set_transmitter(params, phy, 0);
8422 	}
8423 }
8424 
8425 /******************************************************************/
8426 /*		Used by 8706 and 8727                             */
8427 /******************************************************************/
8428 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8429 				 struct bnx2x_phy *phy,
8430 				 u16 alarm_status_offset,
8431 				 u16 alarm_ctrl_offset)
8432 {
8433 	u16 alarm_status, val;
8434 	bnx2x_cl45_read(bp, phy,
8435 			MDIO_PMA_DEVAD, alarm_status_offset,
8436 			&alarm_status);
8437 	bnx2x_cl45_read(bp, phy,
8438 			MDIO_PMA_DEVAD, alarm_status_offset,
8439 			&alarm_status);
8440 	/* Mask or enable the fault event. */
8441 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8442 	if (alarm_status & (1<<0))
8443 		val &= ~(1<<0);
8444 	else
8445 		val |= (1<<0);
8446 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8447 }
8448 /******************************************************************/
8449 /*		common BCM8706/BCM8726 PHY SECTION		  */
8450 /******************************************************************/
8451 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8452 				      struct link_params *params,
8453 				      struct link_vars *vars)
8454 {
8455 	u8 link_up = 0;
8456 	u16 val1, val2, rx_sd, pcs_status;
8457 	struct bnx2x *bp = params->bp;
8458 	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8459 	/* Clear RX Alarm*/
8460 	bnx2x_cl45_read(bp, phy,
8461 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8462 
8463 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8464 			     MDIO_PMA_LASI_TXCTRL);
8465 
8466 	/* clear LASI indication*/
8467 	bnx2x_cl45_read(bp, phy,
8468 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8469 	bnx2x_cl45_read(bp, phy,
8470 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8471 	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8472 
8473 	bnx2x_cl45_read(bp, phy,
8474 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8475 	bnx2x_cl45_read(bp, phy,
8476 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8477 	bnx2x_cl45_read(bp, phy,
8478 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8479 	bnx2x_cl45_read(bp, phy,
8480 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8481 
8482 	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8483 			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8484 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8485 	 * are set, or if the autoneg bit 1 is set
8486 	 */
8487 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8488 	if (link_up) {
8489 		if (val2 & (1<<1))
8490 			vars->line_speed = SPEED_1000;
8491 		else
8492 			vars->line_speed = SPEED_10000;
8493 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8494 		vars->duplex = DUPLEX_FULL;
8495 	}
8496 
8497 	/* Capture 10G link fault. Read twice to clear stale value. */
8498 	if (vars->line_speed == SPEED_10000) {
8499 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8500 			    MDIO_PMA_LASI_TXSTAT, &val1);
8501 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8502 			    MDIO_PMA_LASI_TXSTAT, &val1);
8503 		if (val1 & (1<<0))
8504 			vars->fault_detected = 1;
8505 	}
8506 
8507 	return link_up;
8508 }
8509 
8510 /******************************************************************/
8511 /*			BCM8706 PHY SECTION			  */
8512 /******************************************************************/
8513 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8514 				 struct link_params *params,
8515 				 struct link_vars *vars)
8516 {
8517 	u32 tx_en_mode;
8518 	u16 cnt, val, tmp1;
8519 	struct bnx2x *bp = params->bp;
8520 
8521 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8522 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8523 	/* HW reset */
8524 	bnx2x_ext_phy_hw_reset(bp, params->port);
8525 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8526 	bnx2x_wait_reset_complete(bp, phy, params);
8527 
8528 	/* Wait until fw is loaded */
8529 	for (cnt = 0; cnt < 100; cnt++) {
8530 		bnx2x_cl45_read(bp, phy,
8531 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8532 		if (val)
8533 			break;
8534 		msleep(10);
8535 	}
8536 	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8537 	if ((params->feature_config_flags &
8538 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8539 		u8 i;
8540 		u16 reg;
8541 		for (i = 0; i < 4; i++) {
8542 			reg = MDIO_XS_8706_REG_BANK_RX0 +
8543 				i*(MDIO_XS_8706_REG_BANK_RX1 -
8544 				   MDIO_XS_8706_REG_BANK_RX0);
8545 			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8546 			/* Clear first 3 bits of the control */
8547 			val &= ~0x7;
8548 			/* Set control bits according to configuration */
8549 			val |= (phy->rx_preemphasis[i] & 0x7);
8550 			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8551 				   " reg 0x%x <-- val 0x%x\n", reg, val);
8552 			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8553 		}
8554 	}
8555 	/* Force speed */
8556 	if (phy->req_line_speed == SPEED_10000) {
8557 		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8558 
8559 		bnx2x_cl45_write(bp, phy,
8560 				 MDIO_PMA_DEVAD,
8561 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8562 		bnx2x_cl45_write(bp, phy,
8563 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8564 				 0);
8565 		/* Arm LASI for link and Tx fault. */
8566 		bnx2x_cl45_write(bp, phy,
8567 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8568 	} else {
8569 		/* Force 1Gbps using autoneg with 1G advertisement */
8570 
8571 		/* Allow CL37 through CL73 */
8572 		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8573 		bnx2x_cl45_write(bp, phy,
8574 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8575 
8576 		/* Enable Full-Duplex advertisement on CL37 */
8577 		bnx2x_cl45_write(bp, phy,
8578 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8579 		/* Enable CL37 AN */
8580 		bnx2x_cl45_write(bp, phy,
8581 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8582 		/* 1G support */
8583 		bnx2x_cl45_write(bp, phy,
8584 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8585 
8586 		/* Enable clause 73 AN */
8587 		bnx2x_cl45_write(bp, phy,
8588 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8589 		bnx2x_cl45_write(bp, phy,
8590 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8591 				 0x0400);
8592 		bnx2x_cl45_write(bp, phy,
8593 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8594 				 0x0004);
8595 	}
8596 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8597 
8598 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8599 	 * power mode, if TX Laser is disabled
8600 	 */
8601 
8602 	tx_en_mode = REG_RD(bp, params->shmem_base +
8603 			    offsetof(struct shmem_region,
8604 				dev_info.port_hw_config[params->port].sfp_ctrl))
8605 			& PORT_HW_CFG_TX_LASER_MASK;
8606 
8607 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8608 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8609 		bnx2x_cl45_read(bp, phy,
8610 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8611 		tmp1 |= 0x1;
8612 		bnx2x_cl45_write(bp, phy,
8613 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8614 	}
8615 
8616 	return 0;
8617 }
8618 
8619 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8620 				  struct link_params *params,
8621 				  struct link_vars *vars)
8622 {
8623 	return bnx2x_8706_8726_read_status(phy, params, vars);
8624 }
8625 
8626 /******************************************************************/
8627 /*			BCM8726 PHY SECTION			  */
8628 /******************************************************************/
8629 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8630 				       struct link_params *params)
8631 {
8632 	struct bnx2x *bp = params->bp;
8633 	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8634 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8635 }
8636 
8637 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8638 					 struct link_params *params)
8639 {
8640 	struct bnx2x *bp = params->bp;
8641 	/* Need to wait 100ms after reset */
8642 	msleep(100);
8643 
8644 	/* Micro controller re-boot */
8645 	bnx2x_cl45_write(bp, phy,
8646 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8647 
8648 	/* Set soft reset */
8649 	bnx2x_cl45_write(bp, phy,
8650 			 MDIO_PMA_DEVAD,
8651 			 MDIO_PMA_REG_GEN_CTRL,
8652 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8653 
8654 	bnx2x_cl45_write(bp, phy,
8655 			 MDIO_PMA_DEVAD,
8656 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8657 
8658 	bnx2x_cl45_write(bp, phy,
8659 			 MDIO_PMA_DEVAD,
8660 			 MDIO_PMA_REG_GEN_CTRL,
8661 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8662 
8663 	/* wait for 150ms for microcode load */
8664 	msleep(150);
8665 
8666 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8667 	bnx2x_cl45_write(bp, phy,
8668 			 MDIO_PMA_DEVAD,
8669 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8670 
8671 	msleep(200);
8672 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8673 }
8674 
8675 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8676 				 struct link_params *params,
8677 				 struct link_vars *vars)
8678 {
8679 	struct bnx2x *bp = params->bp;
8680 	u16 val1;
8681 	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8682 	if (link_up) {
8683 		bnx2x_cl45_read(bp, phy,
8684 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8685 				&val1);
8686 		if (val1 & (1<<15)) {
8687 			DP(NETIF_MSG_LINK, "Tx is disabled\n");
8688 			link_up = 0;
8689 			vars->line_speed = 0;
8690 		}
8691 	}
8692 	return link_up;
8693 }
8694 
8695 
8696 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8697 				  struct link_params *params,
8698 				  struct link_vars *vars)
8699 {
8700 	struct bnx2x *bp = params->bp;
8701 	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8702 
8703 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8704 	bnx2x_wait_reset_complete(bp, phy, params);
8705 
8706 	bnx2x_8726_external_rom_boot(phy, params);
8707 
8708 	/* Need to call module detected on initialization since the module
8709 	 * detection triggered by actual module insertion might occur before
8710 	 * driver is loaded, and when driver is loaded, it reset all
8711 	 * registers, including the transmitter
8712 	 */
8713 	bnx2x_sfp_module_detection(phy, params);
8714 
8715 	if (phy->req_line_speed == SPEED_1000) {
8716 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
8717 		bnx2x_cl45_write(bp, phy,
8718 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8719 		bnx2x_cl45_write(bp, phy,
8720 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8721 		bnx2x_cl45_write(bp, phy,
8722 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
8723 		bnx2x_cl45_write(bp, phy,
8724 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8725 				 0x400);
8726 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8727 		   (phy->speed_cap_mask &
8728 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8729 		   ((phy->speed_cap_mask &
8730 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8731 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8732 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8733 		/* Set Flow control */
8734 		bnx2x_ext_phy_set_pause(params, phy, vars);
8735 		bnx2x_cl45_write(bp, phy,
8736 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8737 		bnx2x_cl45_write(bp, phy,
8738 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8739 		bnx2x_cl45_write(bp, phy,
8740 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8741 		bnx2x_cl45_write(bp, phy,
8742 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8743 		bnx2x_cl45_write(bp, phy,
8744 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8745 		/* Enable RX-ALARM control to receive interrupt for 1G speed
8746 		 * change
8747 		 */
8748 		bnx2x_cl45_write(bp, phy,
8749 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
8750 		bnx2x_cl45_write(bp, phy,
8751 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8752 				 0x400);
8753 
8754 	} else { /* Default 10G. Set only LASI control */
8755 		bnx2x_cl45_write(bp, phy,
8756 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8757 	}
8758 
8759 	/* Set TX PreEmphasis if needed */
8760 	if ((params->feature_config_flags &
8761 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8762 		DP(NETIF_MSG_LINK,
8763 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8764 			 phy->tx_preemphasis[0],
8765 			 phy->tx_preemphasis[1]);
8766 		bnx2x_cl45_write(bp, phy,
8767 				 MDIO_PMA_DEVAD,
8768 				 MDIO_PMA_REG_8726_TX_CTRL1,
8769 				 phy->tx_preemphasis[0]);
8770 
8771 		bnx2x_cl45_write(bp, phy,
8772 				 MDIO_PMA_DEVAD,
8773 				 MDIO_PMA_REG_8726_TX_CTRL2,
8774 				 phy->tx_preemphasis[1]);
8775 	}
8776 
8777 	return 0;
8778 
8779 }
8780 
8781 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8782 				  struct link_params *params)
8783 {
8784 	struct bnx2x *bp = params->bp;
8785 	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8786 	/* Set serial boot control for external load */
8787 	bnx2x_cl45_write(bp, phy,
8788 			 MDIO_PMA_DEVAD,
8789 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8790 }
8791 
8792 /******************************************************************/
8793 /*			BCM8727 PHY SECTION			  */
8794 /******************************************************************/
8795 
8796 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8797 				    struct link_params *params, u8 mode)
8798 {
8799 	struct bnx2x *bp = params->bp;
8800 	u16 led_mode_bitmask = 0;
8801 	u16 gpio_pins_bitmask = 0;
8802 	u16 val;
8803 	/* Only NOC flavor requires to set the LED specifically */
8804 	if (!(phy->flags & FLAGS_NOC))
8805 		return;
8806 	switch (mode) {
8807 	case LED_MODE_FRONT_PANEL_OFF:
8808 	case LED_MODE_OFF:
8809 		led_mode_bitmask = 0;
8810 		gpio_pins_bitmask = 0x03;
8811 		break;
8812 	case LED_MODE_ON:
8813 		led_mode_bitmask = 0;
8814 		gpio_pins_bitmask = 0x02;
8815 		break;
8816 	case LED_MODE_OPER:
8817 		led_mode_bitmask = 0x60;
8818 		gpio_pins_bitmask = 0x11;
8819 		break;
8820 	}
8821 	bnx2x_cl45_read(bp, phy,
8822 			MDIO_PMA_DEVAD,
8823 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8824 			&val);
8825 	val &= 0xff8f;
8826 	val |= led_mode_bitmask;
8827 	bnx2x_cl45_write(bp, phy,
8828 			 MDIO_PMA_DEVAD,
8829 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8830 			 val);
8831 	bnx2x_cl45_read(bp, phy,
8832 			MDIO_PMA_DEVAD,
8833 			MDIO_PMA_REG_8727_GPIO_CTRL,
8834 			&val);
8835 	val &= 0xffe0;
8836 	val |= gpio_pins_bitmask;
8837 	bnx2x_cl45_write(bp, phy,
8838 			 MDIO_PMA_DEVAD,
8839 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8840 			 val);
8841 }
8842 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8843 				struct link_params *params) {
8844 	u32 swap_val, swap_override;
8845 	u8 port;
8846 	/* The PHY reset is controlled by GPIO 1. Fake the port number
8847 	 * to cancel the swap done in set_gpio()
8848 	 */
8849 	struct bnx2x *bp = params->bp;
8850 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8851 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8852 	port = (swap_val && swap_override) ^ 1;
8853 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
8854 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8855 }
8856 
8857 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
8858 				  struct link_params *params,
8859 				  struct link_vars *vars)
8860 {
8861 	u32 tx_en_mode;
8862 	u16 tmp1, val, mod_abs, tmp2;
8863 	u16 rx_alarm_ctrl_val;
8864 	u16 lasi_ctrl_val;
8865 	struct bnx2x *bp = params->bp;
8866 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
8867 
8868 	bnx2x_wait_reset_complete(bp, phy, params);
8869 	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
8870 	/* Should be 0x6 to enable XS on Tx side. */
8871 	lasi_ctrl_val = 0x0006;
8872 
8873 	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
8874 	/* enable LASI */
8875 	bnx2x_cl45_write(bp, phy,
8876 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8877 			 rx_alarm_ctrl_val);
8878 	bnx2x_cl45_write(bp, phy,
8879 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8880 			 0);
8881 	bnx2x_cl45_write(bp, phy,
8882 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
8883 
8884 	/* Initially configure MOD_ABS to interrupt when module is
8885 	 * presence( bit 8)
8886 	 */
8887 	bnx2x_cl45_read(bp, phy,
8888 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
8889 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
8890 	 * When the EDC is off it locks onto a reference clock and avoids
8891 	 * becoming 'lost'
8892 	 */
8893 	mod_abs &= ~(1<<8);
8894 	if (!(phy->flags & FLAGS_NOC))
8895 		mod_abs &= ~(1<<9);
8896 	bnx2x_cl45_write(bp, phy,
8897 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
8898 
8899 
8900 	/* Enable/Disable PHY transmitter output */
8901 	bnx2x_set_disable_pmd_transmit(params, phy, 0);
8902 
8903 	/* Make MOD_ABS give interrupt on change */
8904 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8905 			&val);
8906 	val |= (1<<12);
8907 	if (phy->flags & FLAGS_NOC)
8908 		val |= (3<<5);
8909 
8910 	/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8911 	 * status which reflect SFP+ module over-current
8912 	 */
8913 	if (!(phy->flags & FLAGS_NOC))
8914 		val &= 0xff8f; /* Reset bits 4-6 */
8915 	bnx2x_cl45_write(bp, phy,
8916 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
8917 
8918 	bnx2x_8727_power_module(bp, phy, 1);
8919 
8920 	bnx2x_cl45_read(bp, phy,
8921 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8922 
8923 	bnx2x_cl45_read(bp, phy,
8924 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
8925 
8926 	/* Set option 1G speed */
8927 	if (phy->req_line_speed == SPEED_1000) {
8928 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
8929 		bnx2x_cl45_write(bp, phy,
8930 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8931 		bnx2x_cl45_write(bp, phy,
8932 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8933 		bnx2x_cl45_read(bp, phy,
8934 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
8935 		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
8936 		/* Power down the XAUI until link is up in case of dual-media
8937 		 * and 1G
8938 		 */
8939 		if (DUAL_MEDIA(params)) {
8940 			bnx2x_cl45_read(bp, phy,
8941 					MDIO_PMA_DEVAD,
8942 					MDIO_PMA_REG_8727_PCS_GP, &val);
8943 			val |= (3<<10);
8944 			bnx2x_cl45_write(bp, phy,
8945 					 MDIO_PMA_DEVAD,
8946 					 MDIO_PMA_REG_8727_PCS_GP, val);
8947 		}
8948 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8949 		   ((phy->speed_cap_mask &
8950 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
8951 		   ((phy->speed_cap_mask &
8952 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8953 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8954 
8955 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8956 		bnx2x_cl45_write(bp, phy,
8957 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
8958 		bnx2x_cl45_write(bp, phy,
8959 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
8960 	} else {
8961 		/* Since the 8727 has only single reset pin, need to set the 10G
8962 		 * registers although it is default
8963 		 */
8964 		bnx2x_cl45_write(bp, phy,
8965 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
8966 				 0x0020);
8967 		bnx2x_cl45_write(bp, phy,
8968 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
8969 		bnx2x_cl45_write(bp, phy,
8970 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8971 		bnx2x_cl45_write(bp, phy,
8972 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
8973 				 0x0008);
8974 	}
8975 
8976 	/* Set 2-wire transfer rate of SFP+ module EEPROM
8977 	 * to 100Khz since some DACs(direct attached cables) do
8978 	 * not work at 400Khz.
8979 	 */
8980 	bnx2x_cl45_write(bp, phy,
8981 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8982 			 0xa001);
8983 
8984 	/* Set TX PreEmphasis if needed */
8985 	if ((params->feature_config_flags &
8986 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8987 		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8988 			   phy->tx_preemphasis[0],
8989 			   phy->tx_preemphasis[1]);
8990 		bnx2x_cl45_write(bp, phy,
8991 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
8992 				 phy->tx_preemphasis[0]);
8993 
8994 		bnx2x_cl45_write(bp, phy,
8995 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
8996 				 phy->tx_preemphasis[1]);
8997 	}
8998 
8999 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9000 	 * power mode, if TX Laser is disabled
9001 	 */
9002 	tx_en_mode = REG_RD(bp, params->shmem_base +
9003 			    offsetof(struct shmem_region,
9004 				dev_info.port_hw_config[params->port].sfp_ctrl))
9005 			& PORT_HW_CFG_TX_LASER_MASK;
9006 
9007 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9008 
9009 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9010 		bnx2x_cl45_read(bp, phy,
9011 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9012 		tmp2 |= 0x1000;
9013 		tmp2 &= 0xFFEF;
9014 		bnx2x_cl45_write(bp, phy,
9015 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9016 		bnx2x_cl45_read(bp, phy,
9017 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9018 				&tmp2);
9019 		bnx2x_cl45_write(bp, phy,
9020 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9021 				 (tmp2 & 0x7fff));
9022 	}
9023 
9024 	return 0;
9025 }
9026 
9027 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9028 				      struct link_params *params)
9029 {
9030 	struct bnx2x *bp = params->bp;
9031 	u16 mod_abs, rx_alarm_status;
9032 	u32 val = REG_RD(bp, params->shmem_base +
9033 			     offsetof(struct shmem_region, dev_info.
9034 				      port_feature_config[params->port].
9035 				      config));
9036 	bnx2x_cl45_read(bp, phy,
9037 			MDIO_PMA_DEVAD,
9038 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9039 	if (mod_abs & (1<<8)) {
9040 
9041 		/* Module is absent */
9042 		DP(NETIF_MSG_LINK,
9043 		   "MOD_ABS indication show module is absent\n");
9044 		phy->media_type = ETH_PHY_NOT_PRESENT;
9045 		/* 1. Set mod_abs to detect next module
9046 		 *    presence event
9047 		 * 2. Set EDC off by setting OPTXLOS signal input to low
9048 		 *    (bit 9).
9049 		 *    When the EDC is off it locks onto a reference clock and
9050 		 *    avoids becoming 'lost'.
9051 		 */
9052 		mod_abs &= ~(1<<8);
9053 		if (!(phy->flags & FLAGS_NOC))
9054 			mod_abs &= ~(1<<9);
9055 		bnx2x_cl45_write(bp, phy,
9056 				 MDIO_PMA_DEVAD,
9057 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9058 
9059 		/* Clear RX alarm since it stays up as long as
9060 		 * the mod_abs wasn't changed
9061 		 */
9062 		bnx2x_cl45_read(bp, phy,
9063 				MDIO_PMA_DEVAD,
9064 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9065 
9066 	} else {
9067 		/* Module is present */
9068 		DP(NETIF_MSG_LINK,
9069 		   "MOD_ABS indication show module is present\n");
9070 		/* First disable transmitter, and if the module is ok, the
9071 		 * module_detection will enable it
9072 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9073 		 * 2. Restore the default polarity of the OPRXLOS signal and
9074 		 * this signal will then correctly indicate the presence or
9075 		 * absence of the Rx signal. (bit 9)
9076 		 */
9077 		mod_abs |= (1<<8);
9078 		if (!(phy->flags & FLAGS_NOC))
9079 			mod_abs |= (1<<9);
9080 		bnx2x_cl45_write(bp, phy,
9081 				 MDIO_PMA_DEVAD,
9082 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9083 
9084 		/* Clear RX alarm since it stays up as long as the mod_abs
9085 		 * wasn't changed. This is need to be done before calling the
9086 		 * module detection, otherwise it will clear* the link update
9087 		 * alarm
9088 		 */
9089 		bnx2x_cl45_read(bp, phy,
9090 				MDIO_PMA_DEVAD,
9091 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9092 
9093 
9094 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9095 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9096 			bnx2x_sfp_set_transmitter(params, phy, 0);
9097 
9098 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9099 			bnx2x_sfp_module_detection(phy, params);
9100 		else
9101 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9102 	}
9103 
9104 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9105 		   rx_alarm_status);
9106 	/* No need to check link status in case of module plugged in/out */
9107 }
9108 
9109 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9110 				 struct link_params *params,
9111 				 struct link_vars *vars)
9112 
9113 {
9114 	struct bnx2x *bp = params->bp;
9115 	u8 link_up = 0, oc_port = params->port;
9116 	u16 link_status = 0;
9117 	u16 rx_alarm_status, lasi_ctrl, val1;
9118 
9119 	/* If PHY is not initialized, do not check link status */
9120 	bnx2x_cl45_read(bp, phy,
9121 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9122 			&lasi_ctrl);
9123 	if (!lasi_ctrl)
9124 		return 0;
9125 
9126 	/* Check the LASI on Rx */
9127 	bnx2x_cl45_read(bp, phy,
9128 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9129 			&rx_alarm_status);
9130 	vars->line_speed = 0;
9131 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9132 
9133 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9134 			     MDIO_PMA_LASI_TXCTRL);
9135 
9136 	bnx2x_cl45_read(bp, phy,
9137 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9138 
9139 	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9140 
9141 	/* Clear MSG-OUT */
9142 	bnx2x_cl45_read(bp, phy,
9143 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9144 
9145 	/* If a module is present and there is need to check
9146 	 * for over current
9147 	 */
9148 	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9149 		/* Check over-current using 8727 GPIO0 input*/
9150 		bnx2x_cl45_read(bp, phy,
9151 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9152 				&val1);
9153 
9154 		if ((val1 & (1<<8)) == 0) {
9155 			if (!CHIP_IS_E1x(bp))
9156 				oc_port = BP_PATH(bp) + (params->port << 1);
9157 			DP(NETIF_MSG_LINK,
9158 			   "8727 Power fault has been detected on port %d\n",
9159 			   oc_port);
9160 			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9161 					    "been detected and the power to "
9162 					    "that SFP+ module has been removed "
9163 					    "to prevent failure of the card. "
9164 					    "Please remove the SFP+ module and "
9165 					    "restart the system to clear this "
9166 					    "error.\n",
9167 			 oc_port);
9168 			/* Disable all RX_ALARMs except for mod_abs */
9169 			bnx2x_cl45_write(bp, phy,
9170 					 MDIO_PMA_DEVAD,
9171 					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9172 
9173 			bnx2x_cl45_read(bp, phy,
9174 					MDIO_PMA_DEVAD,
9175 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9176 			/* Wait for module_absent_event */
9177 			val1 |= (1<<8);
9178 			bnx2x_cl45_write(bp, phy,
9179 					 MDIO_PMA_DEVAD,
9180 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9181 			/* Clear RX alarm */
9182 			bnx2x_cl45_read(bp, phy,
9183 				MDIO_PMA_DEVAD,
9184 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9185 			return 0;
9186 		}
9187 	} /* Over current check */
9188 
9189 	/* When module absent bit is set, check module */
9190 	if (rx_alarm_status & (1<<5)) {
9191 		bnx2x_8727_handle_mod_abs(phy, params);
9192 		/* Enable all mod_abs and link detection bits */
9193 		bnx2x_cl45_write(bp, phy,
9194 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9195 				 ((1<<5) | (1<<2)));
9196 	}
9197 
9198 	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9199 		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9200 		bnx2x_sfp_set_transmitter(params, phy, 1);
9201 	} else {
9202 		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9203 		return 0;
9204 	}
9205 
9206 	bnx2x_cl45_read(bp, phy,
9207 			MDIO_PMA_DEVAD,
9208 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9209 
9210 	/* Bits 0..2 --> speed detected,
9211 	 * Bits 13..15--> link is down
9212 	 */
9213 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9214 		link_up = 1;
9215 		vars->line_speed = SPEED_10000;
9216 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9217 			   params->port);
9218 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9219 		link_up = 1;
9220 		vars->line_speed = SPEED_1000;
9221 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9222 			   params->port);
9223 	} else {
9224 		link_up = 0;
9225 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9226 			   params->port);
9227 	}
9228 
9229 	/* Capture 10G link fault. */
9230 	if (vars->line_speed == SPEED_10000) {
9231 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9232 			    MDIO_PMA_LASI_TXSTAT, &val1);
9233 
9234 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9235 			    MDIO_PMA_LASI_TXSTAT, &val1);
9236 
9237 		if (val1 & (1<<0)) {
9238 			vars->fault_detected = 1;
9239 		}
9240 	}
9241 
9242 	if (link_up) {
9243 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9244 		vars->duplex = DUPLEX_FULL;
9245 		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9246 	}
9247 
9248 	if ((DUAL_MEDIA(params)) &&
9249 	    (phy->req_line_speed == SPEED_1000)) {
9250 		bnx2x_cl45_read(bp, phy,
9251 				MDIO_PMA_DEVAD,
9252 				MDIO_PMA_REG_8727_PCS_GP, &val1);
9253 		/* In case of dual-media board and 1G, power up the XAUI side,
9254 		 * otherwise power it down. For 10G it is done automatically
9255 		 */
9256 		if (link_up)
9257 			val1 &= ~(3<<10);
9258 		else
9259 			val1 |= (3<<10);
9260 		bnx2x_cl45_write(bp, phy,
9261 				 MDIO_PMA_DEVAD,
9262 				 MDIO_PMA_REG_8727_PCS_GP, val1);
9263 	}
9264 	return link_up;
9265 }
9266 
9267 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9268 				  struct link_params *params)
9269 {
9270 	struct bnx2x *bp = params->bp;
9271 
9272 	/* Enable/Disable PHY transmitter output */
9273 	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9274 
9275 	/* Disable Transmitter */
9276 	bnx2x_sfp_set_transmitter(params, phy, 0);
9277 	/* Clear LASI */
9278 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9279 
9280 }
9281 
9282 /******************************************************************/
9283 /*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9284 /******************************************************************/
9285 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9286 					    struct bnx2x *bp,
9287 					    u8 port)
9288 {
9289 	u16 val, fw_ver1, fw_ver2, cnt;
9290 
9291 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9292 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9293 		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9294 				phy->ver_addr);
9295 	} else {
9296 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9297 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9298 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9299 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9300 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9301 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9302 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
9303 
9304 		for (cnt = 0; cnt < 100; cnt++) {
9305 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9306 			if (val & 1)
9307 				break;
9308 			udelay(5);
9309 		}
9310 		if (cnt == 100) {
9311 			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9312 					"phy fw version(1)\n");
9313 			bnx2x_save_spirom_version(bp, port, 0,
9314 						  phy->ver_addr);
9315 			return;
9316 		}
9317 
9318 
9319 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9320 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9321 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9322 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9323 		for (cnt = 0; cnt < 100; cnt++) {
9324 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9325 			if (val & 1)
9326 				break;
9327 			udelay(5);
9328 		}
9329 		if (cnt == 100) {
9330 			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9331 					"version(2)\n");
9332 			bnx2x_save_spirom_version(bp, port, 0,
9333 						  phy->ver_addr);
9334 			return;
9335 		}
9336 
9337 		/* lower 16 bits of the register SPI_FW_STATUS */
9338 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9339 		/* upper 16 bits of register SPI_FW_STATUS */
9340 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9341 
9342 		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9343 					  phy->ver_addr);
9344 	}
9345 
9346 }
9347 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9348 				struct bnx2x_phy *phy)
9349 {
9350 	u16 val, offset;
9351 
9352 	/* PHYC_CTL_LED_CTL */
9353 	bnx2x_cl45_read(bp, phy,
9354 			MDIO_PMA_DEVAD,
9355 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9356 	val &= 0xFE00;
9357 	val |= 0x0092;
9358 
9359 	bnx2x_cl45_write(bp, phy,
9360 			 MDIO_PMA_DEVAD,
9361 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9362 
9363 	bnx2x_cl45_write(bp, phy,
9364 			 MDIO_PMA_DEVAD,
9365 			 MDIO_PMA_REG_8481_LED1_MASK,
9366 			 0x80);
9367 
9368 	bnx2x_cl45_write(bp, phy,
9369 			 MDIO_PMA_DEVAD,
9370 			 MDIO_PMA_REG_8481_LED2_MASK,
9371 			 0x18);
9372 
9373 	/* Select activity source by Tx and Rx, as suggested by PHY AE */
9374 	bnx2x_cl45_write(bp, phy,
9375 			 MDIO_PMA_DEVAD,
9376 			 MDIO_PMA_REG_8481_LED3_MASK,
9377 			 0x0006);
9378 
9379 	/* Select the closest activity blink rate to that in 10/100/1000 */
9380 	bnx2x_cl45_write(bp, phy,
9381 			MDIO_PMA_DEVAD,
9382 			MDIO_PMA_REG_8481_LED3_BLINK,
9383 			0);
9384 
9385 	/* Configure the blink rate to ~15.9 Hz */
9386 	bnx2x_cl45_write(bp, phy,
9387 			MDIO_PMA_DEVAD,
9388 			MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9389 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
9390 
9391 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9392 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9393 	else
9394 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9395 
9396 	bnx2x_cl45_read(bp, phy,
9397 			MDIO_PMA_DEVAD, offset, &val);
9398 	val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9399 	bnx2x_cl45_write(bp, phy,
9400 			 MDIO_PMA_DEVAD, offset, val);
9401 
9402 	/* 'Interrupt Mask' */
9403 	bnx2x_cl45_write(bp, phy,
9404 			 MDIO_AN_DEVAD,
9405 			 0xFFFB, 0xFFFD);
9406 }
9407 
9408 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9409 				       struct link_params *params,
9410 				       struct link_vars *vars)
9411 {
9412 	struct bnx2x *bp = params->bp;
9413 	u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
9414 
9415 	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9416 		/* Save spirom version */
9417 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9418 	}
9419 	/* This phy uses the NIG latch mechanism since link indication
9420 	 * arrives through its LED4 and not via its LASI signal, so we
9421 	 * get steady signal instead of clear on read
9422 	 */
9423 	bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9424 		      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9425 
9426 	bnx2x_cl45_write(bp, phy,
9427 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9428 
9429 	bnx2x_848xx_set_led(bp, phy);
9430 
9431 	/* set 1000 speed advertisement */
9432 	bnx2x_cl45_read(bp, phy,
9433 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9434 			&an_1000_val);
9435 
9436 	bnx2x_ext_phy_set_pause(params, phy, vars);
9437 	bnx2x_cl45_read(bp, phy,
9438 			MDIO_AN_DEVAD,
9439 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9440 			&an_10_100_val);
9441 	bnx2x_cl45_read(bp, phy,
9442 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9443 			&autoneg_val);
9444 	/* Disable forced speed */
9445 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9446 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9447 
9448 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9449 	     (phy->speed_cap_mask &
9450 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9451 	    (phy->req_line_speed == SPEED_1000)) {
9452 		an_1000_val |= (1<<8);
9453 		autoneg_val |= (1<<9 | 1<<12);
9454 		if (phy->req_duplex == DUPLEX_FULL)
9455 			an_1000_val |= (1<<9);
9456 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9457 	} else
9458 		an_1000_val &= ~((1<<8) | (1<<9));
9459 
9460 	bnx2x_cl45_write(bp, phy,
9461 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9462 			 an_1000_val);
9463 
9464 	/* set 100 speed advertisement */
9465 	if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9466 	     (phy->speed_cap_mask &
9467 	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9468 	       PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
9469 		an_10_100_val |= (1<<7);
9470 		/* Enable autoneg and restart autoneg for legacy speeds */
9471 		autoneg_val |= (1<<9 | 1<<12);
9472 
9473 		if (phy->req_duplex == DUPLEX_FULL)
9474 			an_10_100_val |= (1<<8);
9475 		DP(NETIF_MSG_LINK, "Advertising 100M\n");
9476 	}
9477 	/* set 10 speed advertisement */
9478 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9479 	     (phy->speed_cap_mask &
9480 	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9481 	       PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9482 	     (phy->supported &
9483 	      (SUPPORTED_10baseT_Half |
9484 	       SUPPORTED_10baseT_Full)))) {
9485 		an_10_100_val |= (1<<5);
9486 		autoneg_val |= (1<<9 | 1<<12);
9487 		if (phy->req_duplex == DUPLEX_FULL)
9488 			an_10_100_val |= (1<<6);
9489 		DP(NETIF_MSG_LINK, "Advertising 10M\n");
9490 	}
9491 
9492 	/* Only 10/100 are allowed to work in FORCE mode */
9493 	if ((phy->req_line_speed == SPEED_100) &&
9494 	    (phy->supported &
9495 	     (SUPPORTED_100baseT_Half |
9496 	      SUPPORTED_100baseT_Full))) {
9497 		autoneg_val |= (1<<13);
9498 		/* Enabled AUTO-MDIX when autoneg is disabled */
9499 		bnx2x_cl45_write(bp, phy,
9500 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9501 				 (1<<15 | 1<<9 | 7<<0));
9502 		/* The PHY needs this set even for forced link. */
9503 		an_10_100_val |= (1<<8) | (1<<7);
9504 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9505 	}
9506 	if ((phy->req_line_speed == SPEED_10) &&
9507 	    (phy->supported &
9508 	     (SUPPORTED_10baseT_Half |
9509 	      SUPPORTED_10baseT_Full))) {
9510 		/* Enabled AUTO-MDIX when autoneg is disabled */
9511 		bnx2x_cl45_write(bp, phy,
9512 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9513 				 (1<<15 | 1<<9 | 7<<0));
9514 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9515 	}
9516 
9517 	bnx2x_cl45_write(bp, phy,
9518 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9519 			 an_10_100_val);
9520 
9521 	if (phy->req_duplex == DUPLEX_FULL)
9522 		autoneg_val |= (1<<8);
9523 
9524 	/* Always write this if this is not 84833.
9525 	 * For 84833, write it only when it's a forced speed.
9526 	 */
9527 	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9528 		((autoneg_val & (1<<12)) == 0))
9529 		bnx2x_cl45_write(bp, phy,
9530 			 MDIO_AN_DEVAD,
9531 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9532 
9533 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9534 	    (phy->speed_cap_mask &
9535 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9536 		(phy->req_line_speed == SPEED_10000)) {
9537 			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9538 			/* Restart autoneg for 10G*/
9539 
9540 			bnx2x_cl45_read(bp, phy,
9541 					MDIO_AN_DEVAD,
9542 					MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9543 					&an_10g_val);
9544 			bnx2x_cl45_write(bp, phy,
9545 					 MDIO_AN_DEVAD,
9546 					 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9547 					 an_10g_val | 0x1000);
9548 			bnx2x_cl45_write(bp, phy,
9549 					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9550 					 0x3200);
9551 	} else
9552 		bnx2x_cl45_write(bp, phy,
9553 				 MDIO_AN_DEVAD,
9554 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9555 				 1);
9556 
9557 	return 0;
9558 }
9559 
9560 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9561 				  struct link_params *params,
9562 				  struct link_vars *vars)
9563 {
9564 	struct bnx2x *bp = params->bp;
9565 	/* Restore normal power mode*/
9566 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9567 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9568 
9569 	/* HW reset */
9570 	bnx2x_ext_phy_hw_reset(bp, params->port);
9571 	bnx2x_wait_reset_complete(bp, phy, params);
9572 
9573 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9574 	return bnx2x_848xx_cmn_config_init(phy, params, vars);
9575 }
9576 
9577 #define PHY84833_CMDHDLR_WAIT 300
9578 #define PHY84833_CMDHDLR_MAX_ARGS 5
9579 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9580 				   struct link_params *params,
9581 		   u16 fw_cmd,
9582 		   u16 cmd_args[])
9583 {
9584 	u32 idx;
9585 	u16 val;
9586 	struct bnx2x *bp = params->bp;
9587 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
9588 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9589 			MDIO_84833_CMD_HDLR_STATUS,
9590 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9591 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9592 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9593 				MDIO_84833_CMD_HDLR_STATUS, &val);
9594 		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9595 			break;
9596 		msleep(1);
9597 	}
9598 	if (idx >= PHY84833_CMDHDLR_WAIT) {
9599 		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9600 		return -EINVAL;
9601 	}
9602 
9603 	/* Prepare argument(s) and issue command */
9604 	for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
9605 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9606 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9607 				cmd_args[idx]);
9608 	}
9609 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9610 			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9611 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9612 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9613 				MDIO_84833_CMD_HDLR_STATUS, &val);
9614 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9615 			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9616 			break;
9617 		msleep(1);
9618 	}
9619 	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9620 		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9621 		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9622 		return -EINVAL;
9623 	}
9624 	/* Gather returning data */
9625 	for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
9626 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9627 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9628 				&cmd_args[idx]);
9629 	}
9630 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9631 			MDIO_84833_CMD_HDLR_STATUS,
9632 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9633 	return 0;
9634 }
9635 
9636 
9637 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9638 				   struct link_params *params,
9639 				   struct link_vars *vars)
9640 {
9641 	u32 pair_swap;
9642 	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9643 	int status;
9644 	struct bnx2x *bp = params->bp;
9645 
9646 	/* Check for configuration. */
9647 	pair_swap = REG_RD(bp, params->shmem_base +
9648 			   offsetof(struct shmem_region,
9649 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9650 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9651 
9652 	if (pair_swap == 0)
9653 		return 0;
9654 
9655 	/* Only the second argument is used for this command */
9656 	data[1] = (u16)pair_swap;
9657 
9658 	status = bnx2x_84833_cmd_hdlr(phy, params,
9659 		PHY84833_CMD_SET_PAIR_SWAP, data);
9660 	if (status == 0)
9661 		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9662 
9663 	return status;
9664 }
9665 
9666 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9667 				      u32 shmem_base_path[],
9668 				      u32 chip_id)
9669 {
9670 	u32 reset_pin[2];
9671 	u32 idx;
9672 	u8 reset_gpios;
9673 	if (CHIP_IS_E3(bp)) {
9674 		/* Assume that these will be GPIOs, not EPIOs. */
9675 		for (idx = 0; idx < 2; idx++) {
9676 			/* Map config param to register bit. */
9677 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9678 				offsetof(struct shmem_region,
9679 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9680 			reset_pin[idx] = (reset_pin[idx] &
9681 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9682 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9683 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9684 			reset_pin[idx] = (1 << reset_pin[idx]);
9685 		}
9686 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9687 	} else {
9688 		/* E2, look from diff place of shmem. */
9689 		for (idx = 0; idx < 2; idx++) {
9690 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9691 				offsetof(struct shmem_region,
9692 				dev_info.port_hw_config[0].default_cfg));
9693 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9694 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9695 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9696 			reset_pin[idx] = (1 << reset_pin[idx]);
9697 		}
9698 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9699 	}
9700 
9701 	return reset_gpios;
9702 }
9703 
9704 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9705 				struct link_params *params)
9706 {
9707 	struct bnx2x *bp = params->bp;
9708 	u8 reset_gpios;
9709 	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9710 				offsetof(struct shmem2_region,
9711 				other_shmem_base_addr));
9712 
9713 	u32 shmem_base_path[2];
9714 
9715 	/* Work around for 84833 LED failure inside RESET status */
9716 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9717 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9718 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9719 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9720 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9721 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9722 
9723 	shmem_base_path[0] = params->shmem_base;
9724 	shmem_base_path[1] = other_shmem_base_addr;
9725 
9726 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9727 						  params->chip_id);
9728 
9729 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9730 	udelay(10);
9731 	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9732 		reset_gpios);
9733 
9734 	return 0;
9735 }
9736 
9737 #define PHY84833_CONSTANT_LATENCY 1193
9738 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9739 				   struct link_params *params,
9740 				   struct link_vars *vars)
9741 {
9742 	struct bnx2x *bp = params->bp;
9743 	u8 port, initialize = 1;
9744 	u16 val;
9745 	u32 actual_phy_selection, cms_enable;
9746 	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
9747 	int rc = 0;
9748 
9749 	msleep(1);
9750 
9751 	if (!(CHIP_IS_E1(bp)))
9752 		port = BP_PATH(bp);
9753 	else
9754 		port = params->port;
9755 
9756 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9757 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9758 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9759 			       port);
9760 	} else {
9761 		/* MDIO reset */
9762 		bnx2x_cl45_write(bp, phy,
9763 				MDIO_PMA_DEVAD,
9764 				MDIO_PMA_REG_CTRL, 0x8000);
9765 	}
9766 
9767 	bnx2x_wait_reset_complete(bp, phy, params);
9768 
9769 	/* Wait for GPHY to come out of reset */
9770 	msleep(50);
9771 	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9772 		/* BCM84823 requires that XGXS links up first @ 10G for normal
9773 		 * behavior.
9774 		 */
9775 		u16 temp;
9776 		temp = vars->line_speed;
9777 		vars->line_speed = SPEED_10000;
9778 		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
9779 		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
9780 		vars->line_speed = temp;
9781 	}
9782 
9783 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9784 			MDIO_CTL_REG_84823_MEDIA, &val);
9785 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9786 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
9787 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
9788 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
9789 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
9790 
9791 	if (CHIP_IS_E3(bp)) {
9792 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
9793 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
9794 	} else {
9795 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
9796 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
9797 	}
9798 
9799 	actual_phy_selection = bnx2x_phy_selection(params);
9800 
9801 	switch (actual_phy_selection) {
9802 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
9803 		/* Do nothing. Essentially this is like the priority copper */
9804 		break;
9805 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
9806 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
9807 		break;
9808 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
9809 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
9810 		break;
9811 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
9812 		/* Do nothing here. The first PHY won't be initialized at all */
9813 		break;
9814 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
9815 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
9816 		initialize = 0;
9817 		break;
9818 	}
9819 	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
9820 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
9821 
9822 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9823 			 MDIO_CTL_REG_84823_MEDIA, val);
9824 	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
9825 		   params->multi_phy_config, val);
9826 
9827 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9828 		bnx2x_84833_pair_swap_cfg(phy, params, vars);
9829 
9830 		/* Keep AutogrEEEn disabled. */
9831 		cmd_args[0] = 0x0;
9832 		cmd_args[1] = 0x0;
9833 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
9834 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
9835 		rc = bnx2x_84833_cmd_hdlr(phy, params,
9836 			PHY84833_CMD_SET_EEE_MODE, cmd_args);
9837 		if (rc != 0)
9838 			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
9839 	}
9840 	if (initialize)
9841 		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
9842 	else
9843 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9844 	/* 84833 PHY has a better feature and doesn't need to support this. */
9845 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9846 		cms_enable = REG_RD(bp, params->shmem_base +
9847 			offsetof(struct shmem_region,
9848 			dev_info.port_hw_config[params->port].default_cfg)) &
9849 			PORT_HW_CFG_ENABLE_CMS_MASK;
9850 
9851 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9852 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
9853 		if (cms_enable)
9854 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
9855 		else
9856 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
9857 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9858 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
9859 	}
9860 
9861 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9862 		/* Bring PHY out of super isolate mode as the final step. */
9863 		bnx2x_cl45_read(bp, phy,
9864 				MDIO_CTL_DEVAD,
9865 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
9866 		val &= ~MDIO_84833_SUPER_ISOLATE;
9867 		bnx2x_cl45_write(bp, phy,
9868 				MDIO_CTL_DEVAD,
9869 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
9870 	}
9871 	return rc;
9872 }
9873 
9874 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
9875 				  struct link_params *params,
9876 				  struct link_vars *vars)
9877 {
9878 	struct bnx2x *bp = params->bp;
9879 	u16 val, val1, val2;
9880 	u8 link_up = 0;
9881 
9882 
9883 	/* Check 10G-BaseT link status */
9884 	/* Check PMD signal ok */
9885 	bnx2x_cl45_read(bp, phy,
9886 			MDIO_AN_DEVAD, 0xFFFA, &val1);
9887 	bnx2x_cl45_read(bp, phy,
9888 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
9889 			&val2);
9890 	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
9891 
9892 	/* Check link 10G */
9893 	if (val2 & (1<<11)) {
9894 		vars->line_speed = SPEED_10000;
9895 		vars->duplex = DUPLEX_FULL;
9896 		link_up = 1;
9897 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
9898 	} else { /* Check Legacy speed link */
9899 		u16 legacy_status, legacy_speed;
9900 
9901 		/* Enable expansion register 0x42 (Operation mode status) */
9902 		bnx2x_cl45_write(bp, phy,
9903 				 MDIO_AN_DEVAD,
9904 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
9905 
9906 		/* Get legacy speed operation status */
9907 		bnx2x_cl45_read(bp, phy,
9908 				MDIO_AN_DEVAD,
9909 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
9910 				&legacy_status);
9911 
9912 		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
9913 		   legacy_status);
9914 		link_up = ((legacy_status & (1<<11)) == (1<<11));
9915 		if (link_up) {
9916 			legacy_speed = (legacy_status & (3<<9));
9917 			if (legacy_speed == (0<<9))
9918 				vars->line_speed = SPEED_10;
9919 			else if (legacy_speed == (1<<9))
9920 				vars->line_speed = SPEED_100;
9921 			else if (legacy_speed == (2<<9))
9922 				vars->line_speed = SPEED_1000;
9923 			else /* Should not happen */
9924 				vars->line_speed = 0;
9925 
9926 			if (legacy_status & (1<<8))
9927 				vars->duplex = DUPLEX_FULL;
9928 			else
9929 				vars->duplex = DUPLEX_HALF;
9930 
9931 			DP(NETIF_MSG_LINK,
9932 			   "Link is up in %dMbps, is_duplex_full= %d\n",
9933 			   vars->line_speed,
9934 			   (vars->duplex == DUPLEX_FULL));
9935 			/* Check legacy speed AN resolution */
9936 			bnx2x_cl45_read(bp, phy,
9937 					MDIO_AN_DEVAD,
9938 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
9939 					&val);
9940 			if (val & (1<<5))
9941 				vars->link_status |=
9942 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
9943 			bnx2x_cl45_read(bp, phy,
9944 					MDIO_AN_DEVAD,
9945 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
9946 					&val);
9947 			if ((val & (1<<0)) == 0)
9948 				vars->link_status |=
9949 					LINK_STATUS_PARALLEL_DETECTION_USED;
9950 		}
9951 	}
9952 	if (link_up) {
9953 		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
9954 			   vars->line_speed);
9955 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9956 
9957 		/* Read LP advertised speeds */
9958 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
9959 				MDIO_AN_REG_CL37_FC_LP, &val);
9960 		if (val & (1<<5))
9961 			vars->link_status |=
9962 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
9963 		if (val & (1<<6))
9964 			vars->link_status |=
9965 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
9966 		if (val & (1<<7))
9967 			vars->link_status |=
9968 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
9969 		if (val & (1<<8))
9970 			vars->link_status |=
9971 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
9972 		if (val & (1<<9))
9973 			vars->link_status |=
9974 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
9975 
9976 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
9977 				MDIO_AN_REG_1000T_STATUS, &val);
9978 
9979 		if (val & (1<<10))
9980 			vars->link_status |=
9981 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
9982 		if (val & (1<<11))
9983 			vars->link_status |=
9984 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
9985 
9986 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
9987 				MDIO_AN_REG_MASTER_STATUS, &val);
9988 
9989 		if (val & (1<<11))
9990 			vars->link_status |=
9991 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
9992 	}
9993 
9994 	return link_up;
9995 }
9996 
9997 
9998 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
9999 {
10000 	int status = 0;
10001 	u32 spirom_ver;
10002 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10003 	status = bnx2x_format_ver(spirom_ver, str, len);
10004 	return status;
10005 }
10006 
10007 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10008 				struct link_params *params)
10009 {
10010 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10011 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10012 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10013 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10014 }
10015 
10016 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10017 					struct link_params *params)
10018 {
10019 	bnx2x_cl45_write(params->bp, phy,
10020 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10021 	bnx2x_cl45_write(params->bp, phy,
10022 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10023 }
10024 
10025 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10026 				   struct link_params *params)
10027 {
10028 	struct bnx2x *bp = params->bp;
10029 	u8 port;
10030 	u16 val16;
10031 
10032 	if (!(CHIP_IS_E1x(bp)))
10033 		port = BP_PATH(bp);
10034 	else
10035 		port = params->port;
10036 
10037 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10038 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10039 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10040 			       port);
10041 	} else {
10042 		bnx2x_cl45_read(bp, phy,
10043 				MDIO_CTL_DEVAD,
10044 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10045 		val16 |= MDIO_84833_SUPER_ISOLATE;
10046 		bnx2x_cl45_write(bp, phy,
10047 				 MDIO_CTL_DEVAD,
10048 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10049 	}
10050 }
10051 
10052 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10053 				     struct link_params *params, u8 mode)
10054 {
10055 	struct bnx2x *bp = params->bp;
10056 	u16 val;
10057 	u8 port;
10058 
10059 	if (!(CHIP_IS_E1x(bp)))
10060 		port = BP_PATH(bp);
10061 	else
10062 		port = params->port;
10063 
10064 	switch (mode) {
10065 	case LED_MODE_OFF:
10066 
10067 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10068 
10069 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10070 		    SHARED_HW_CFG_LED_EXTPHY1) {
10071 
10072 			/* Set LED masks */
10073 			bnx2x_cl45_write(bp, phy,
10074 					MDIO_PMA_DEVAD,
10075 					MDIO_PMA_REG_8481_LED1_MASK,
10076 					0x0);
10077 
10078 			bnx2x_cl45_write(bp, phy,
10079 					MDIO_PMA_DEVAD,
10080 					MDIO_PMA_REG_8481_LED2_MASK,
10081 					0x0);
10082 
10083 			bnx2x_cl45_write(bp, phy,
10084 					MDIO_PMA_DEVAD,
10085 					MDIO_PMA_REG_8481_LED3_MASK,
10086 					0x0);
10087 
10088 			bnx2x_cl45_write(bp, phy,
10089 					MDIO_PMA_DEVAD,
10090 					MDIO_PMA_REG_8481_LED5_MASK,
10091 					0x0);
10092 
10093 		} else {
10094 			bnx2x_cl45_write(bp, phy,
10095 					 MDIO_PMA_DEVAD,
10096 					 MDIO_PMA_REG_8481_LED1_MASK,
10097 					 0x0);
10098 		}
10099 		break;
10100 	case LED_MODE_FRONT_PANEL_OFF:
10101 
10102 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10103 		   port);
10104 
10105 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10106 		    SHARED_HW_CFG_LED_EXTPHY1) {
10107 
10108 			/* Set LED masks */
10109 			bnx2x_cl45_write(bp, phy,
10110 					 MDIO_PMA_DEVAD,
10111 					 MDIO_PMA_REG_8481_LED1_MASK,
10112 					 0x0);
10113 
10114 			bnx2x_cl45_write(bp, phy,
10115 					 MDIO_PMA_DEVAD,
10116 					 MDIO_PMA_REG_8481_LED2_MASK,
10117 					 0x0);
10118 
10119 			bnx2x_cl45_write(bp, phy,
10120 					 MDIO_PMA_DEVAD,
10121 					 MDIO_PMA_REG_8481_LED3_MASK,
10122 					 0x0);
10123 
10124 			bnx2x_cl45_write(bp, phy,
10125 					 MDIO_PMA_DEVAD,
10126 					 MDIO_PMA_REG_8481_LED5_MASK,
10127 					 0x20);
10128 
10129 		} else {
10130 			bnx2x_cl45_write(bp, phy,
10131 					 MDIO_PMA_DEVAD,
10132 					 MDIO_PMA_REG_8481_LED1_MASK,
10133 					 0x0);
10134 		}
10135 		break;
10136 	case LED_MODE_ON:
10137 
10138 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10139 
10140 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10141 		    SHARED_HW_CFG_LED_EXTPHY1) {
10142 			/* Set control reg */
10143 			bnx2x_cl45_read(bp, phy,
10144 					MDIO_PMA_DEVAD,
10145 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10146 					&val);
10147 			val &= 0x8000;
10148 			val |= 0x2492;
10149 
10150 			bnx2x_cl45_write(bp, phy,
10151 					 MDIO_PMA_DEVAD,
10152 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10153 					 val);
10154 
10155 			/* Set LED masks */
10156 			bnx2x_cl45_write(bp, phy,
10157 					 MDIO_PMA_DEVAD,
10158 					 MDIO_PMA_REG_8481_LED1_MASK,
10159 					 0x0);
10160 
10161 			bnx2x_cl45_write(bp, phy,
10162 					 MDIO_PMA_DEVAD,
10163 					 MDIO_PMA_REG_8481_LED2_MASK,
10164 					 0x20);
10165 
10166 			bnx2x_cl45_write(bp, phy,
10167 					 MDIO_PMA_DEVAD,
10168 					 MDIO_PMA_REG_8481_LED3_MASK,
10169 					 0x20);
10170 
10171 			bnx2x_cl45_write(bp, phy,
10172 					 MDIO_PMA_DEVAD,
10173 					 MDIO_PMA_REG_8481_LED5_MASK,
10174 					 0x0);
10175 		} else {
10176 			bnx2x_cl45_write(bp, phy,
10177 					 MDIO_PMA_DEVAD,
10178 					 MDIO_PMA_REG_8481_LED1_MASK,
10179 					 0x20);
10180 		}
10181 		break;
10182 
10183 	case LED_MODE_OPER:
10184 
10185 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10186 
10187 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10188 		    SHARED_HW_CFG_LED_EXTPHY1) {
10189 
10190 			/* Set control reg */
10191 			bnx2x_cl45_read(bp, phy,
10192 					MDIO_PMA_DEVAD,
10193 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10194 					&val);
10195 
10196 			if (!((val &
10197 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10198 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10199 				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10200 				bnx2x_cl45_write(bp, phy,
10201 						 MDIO_PMA_DEVAD,
10202 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10203 						 0xa492);
10204 			}
10205 
10206 			/* Set LED masks */
10207 			bnx2x_cl45_write(bp, phy,
10208 					 MDIO_PMA_DEVAD,
10209 					 MDIO_PMA_REG_8481_LED1_MASK,
10210 					 0x10);
10211 
10212 			bnx2x_cl45_write(bp, phy,
10213 					 MDIO_PMA_DEVAD,
10214 					 MDIO_PMA_REG_8481_LED2_MASK,
10215 					 0x80);
10216 
10217 			bnx2x_cl45_write(bp, phy,
10218 					 MDIO_PMA_DEVAD,
10219 					 MDIO_PMA_REG_8481_LED3_MASK,
10220 					 0x98);
10221 
10222 			bnx2x_cl45_write(bp, phy,
10223 					 MDIO_PMA_DEVAD,
10224 					 MDIO_PMA_REG_8481_LED5_MASK,
10225 					 0x40);
10226 
10227 		} else {
10228 			bnx2x_cl45_write(bp, phy,
10229 					 MDIO_PMA_DEVAD,
10230 					 MDIO_PMA_REG_8481_LED1_MASK,
10231 					 0x80);
10232 
10233 			/* Tell LED3 to blink on source */
10234 			bnx2x_cl45_read(bp, phy,
10235 					MDIO_PMA_DEVAD,
10236 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10237 					&val);
10238 			val &= ~(7<<6);
10239 			val |= (1<<6); /* A83B[8:6]= 1 */
10240 			bnx2x_cl45_write(bp, phy,
10241 					 MDIO_PMA_DEVAD,
10242 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10243 					 val);
10244 		}
10245 		break;
10246 	}
10247 
10248 	/* This is a workaround for E3+84833 until autoneg
10249 	 * restart is fixed in f/w
10250 	 */
10251 	if (CHIP_IS_E3(bp)) {
10252 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10253 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10254 	}
10255 }
10256 
10257 /******************************************************************/
10258 /*			54618SE PHY SECTION			  */
10259 /******************************************************************/
10260 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10261 					       struct link_params *params,
10262 					       struct link_vars *vars)
10263 {
10264 	struct bnx2x *bp = params->bp;
10265 	u8 port;
10266 	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10267 	u32 cfg_pin;
10268 
10269 	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10270 	usleep_range(1000, 1000);
10271 
10272 	/* This works with E3 only, no need to check the chip
10273 	 * before determining the port.
10274 	 */
10275 	port = params->port;
10276 
10277 	cfg_pin = (REG_RD(bp, params->shmem_base +
10278 			offsetof(struct shmem_region,
10279 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10280 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10281 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10282 
10283 	/* Drive pin high to bring the GPHY out of reset. */
10284 	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10285 
10286 	/* wait for GPHY to reset */
10287 	msleep(50);
10288 
10289 	/* reset phy */
10290 	bnx2x_cl22_write(bp, phy,
10291 			 MDIO_PMA_REG_CTRL, 0x8000);
10292 	bnx2x_wait_reset_complete(bp, phy, params);
10293 
10294 	/* Wait for GPHY to reset */
10295 	msleep(50);
10296 
10297 	/* Configure LED4: set to INTR (0x6). */
10298 	/* Accessing shadow register 0xe. */
10299 	bnx2x_cl22_write(bp, phy,
10300 			MDIO_REG_GPHY_SHADOW,
10301 			MDIO_REG_GPHY_SHADOW_LED_SEL2);
10302 	bnx2x_cl22_read(bp, phy,
10303 			MDIO_REG_GPHY_SHADOW,
10304 			&temp);
10305 	temp &= ~(0xf << 4);
10306 	temp |= (0x6 << 4);
10307 	bnx2x_cl22_write(bp, phy,
10308 			MDIO_REG_GPHY_SHADOW,
10309 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10310 	/* Configure INTR based on link status change. */
10311 	bnx2x_cl22_write(bp, phy,
10312 			MDIO_REG_INTR_MASK,
10313 			~MDIO_REG_INTR_MASK_LINK_STATUS);
10314 
10315 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10316 	bnx2x_cl22_write(bp, phy,
10317 			MDIO_REG_GPHY_SHADOW,
10318 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10319 	bnx2x_cl22_read(bp, phy,
10320 			MDIO_REG_GPHY_SHADOW,
10321 			&temp);
10322 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10323 	bnx2x_cl22_write(bp, phy,
10324 			MDIO_REG_GPHY_SHADOW,
10325 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10326 
10327 	/* Set up fc */
10328 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10329 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10330 	fc_val = 0;
10331 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10332 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10333 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10334 
10335 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10336 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10337 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10338 
10339 	/* read all advertisement */
10340 	bnx2x_cl22_read(bp, phy,
10341 			0x09,
10342 			&an_1000_val);
10343 
10344 	bnx2x_cl22_read(bp, phy,
10345 			0x04,
10346 			&an_10_100_val);
10347 
10348 	bnx2x_cl22_read(bp, phy,
10349 			MDIO_PMA_REG_CTRL,
10350 			&autoneg_val);
10351 
10352 	/* Disable forced speed */
10353 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10354 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10355 			   (1<<11));
10356 
10357 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10358 			(phy->speed_cap_mask &
10359 			PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10360 			(phy->req_line_speed == SPEED_1000)) {
10361 		an_1000_val |= (1<<8);
10362 		autoneg_val |= (1<<9 | 1<<12);
10363 		if (phy->req_duplex == DUPLEX_FULL)
10364 			an_1000_val |= (1<<9);
10365 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
10366 	} else
10367 		an_1000_val &= ~((1<<8) | (1<<9));
10368 
10369 	bnx2x_cl22_write(bp, phy,
10370 			0x09,
10371 			an_1000_val);
10372 	bnx2x_cl22_read(bp, phy,
10373 			0x09,
10374 			&an_1000_val);
10375 
10376 	/* set 100 speed advertisement */
10377 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10378 			(phy->speed_cap_mask &
10379 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10380 			PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10381 		an_10_100_val |= (1<<7);
10382 		/* Enable autoneg and restart autoneg for legacy speeds */
10383 		autoneg_val |= (1<<9 | 1<<12);
10384 
10385 		if (phy->req_duplex == DUPLEX_FULL)
10386 			an_10_100_val |= (1<<8);
10387 		DP(NETIF_MSG_LINK, "Advertising 100M\n");
10388 	}
10389 
10390 	/* set 10 speed advertisement */
10391 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10392 			(phy->speed_cap_mask &
10393 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10394 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10395 		an_10_100_val |= (1<<5);
10396 		autoneg_val |= (1<<9 | 1<<12);
10397 		if (phy->req_duplex == DUPLEX_FULL)
10398 			an_10_100_val |= (1<<6);
10399 		DP(NETIF_MSG_LINK, "Advertising 10M\n");
10400 	}
10401 
10402 	/* Only 10/100 are allowed to work in FORCE mode */
10403 	if (phy->req_line_speed == SPEED_100) {
10404 		autoneg_val |= (1<<13);
10405 		/* Enabled AUTO-MDIX when autoneg is disabled */
10406 		bnx2x_cl22_write(bp, phy,
10407 				0x18,
10408 				(1<<15 | 1<<9 | 7<<0));
10409 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
10410 	}
10411 	if (phy->req_line_speed == SPEED_10) {
10412 		/* Enabled AUTO-MDIX when autoneg is disabled */
10413 		bnx2x_cl22_write(bp, phy,
10414 				0x18,
10415 				(1<<15 | 1<<9 | 7<<0));
10416 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
10417 	}
10418 
10419 	/* Check if we should turn on Auto-GrEEEn */
10420 	bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
10421 	if (temp == MDIO_REG_GPHY_ID_54618SE) {
10422 		if (params->feature_config_flags &
10423 		    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10424 			temp = 6;
10425 			DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10426 		} else {
10427 			temp = 0;
10428 			DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
10429 		}
10430 		bnx2x_cl22_write(bp, phy,
10431 				 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
10432 		bnx2x_cl22_write(bp, phy,
10433 				 MDIO_REG_GPHY_CL45_DATA_REG,
10434 				 MDIO_REG_GPHY_EEE_ADV);
10435 		bnx2x_cl22_write(bp, phy,
10436 				 MDIO_REG_GPHY_CL45_ADDR_REG,
10437 				 (0x1 << 14) | MDIO_AN_DEVAD);
10438 		bnx2x_cl22_write(bp, phy,
10439 				 MDIO_REG_GPHY_CL45_DATA_REG,
10440 				 temp);
10441 	}
10442 
10443 	bnx2x_cl22_write(bp, phy,
10444 			0x04,
10445 			an_10_100_val | fc_val);
10446 
10447 	if (phy->req_duplex == DUPLEX_FULL)
10448 		autoneg_val |= (1<<8);
10449 
10450 	bnx2x_cl22_write(bp, phy,
10451 			MDIO_PMA_REG_CTRL, autoneg_val);
10452 
10453 	return 0;
10454 }
10455 
10456 
10457 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10458 				       struct link_params *params, u8 mode)
10459 {
10460 	struct bnx2x *bp = params->bp;
10461 	u16 temp;
10462 
10463 	bnx2x_cl22_write(bp, phy,
10464 		MDIO_REG_GPHY_SHADOW,
10465 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
10466 	bnx2x_cl22_read(bp, phy,
10467 		MDIO_REG_GPHY_SHADOW,
10468 		&temp);
10469 	temp &= 0xff00;
10470 
10471 	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10472 	switch (mode) {
10473 	case LED_MODE_FRONT_PANEL_OFF:
10474 	case LED_MODE_OFF:
10475 		temp |= 0x00ee;
10476 		break;
10477 	case LED_MODE_OPER:
10478 		temp |= 0x0001;
10479 		break;
10480 	case LED_MODE_ON:
10481 		temp |= 0x00ff;
10482 		break;
10483 	default:
10484 		break;
10485 	}
10486 	bnx2x_cl22_write(bp, phy,
10487 		MDIO_REG_GPHY_SHADOW,
10488 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10489 	return;
10490 }
10491 
10492 
10493 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10494 				     struct link_params *params)
10495 {
10496 	struct bnx2x *bp = params->bp;
10497 	u32 cfg_pin;
10498 	u8 port;
10499 
10500 	/* In case of no EPIO routed to reset the GPHY, put it
10501 	 * in low power mode.
10502 	 */
10503 	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10504 	/* This works with E3 only, no need to check the chip
10505 	 * before determining the port.
10506 	 */
10507 	port = params->port;
10508 	cfg_pin = (REG_RD(bp, params->shmem_base +
10509 			offsetof(struct shmem_region,
10510 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10511 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10512 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10513 
10514 	/* Drive pin low to put GPHY in reset. */
10515 	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10516 }
10517 
10518 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10519 				    struct link_params *params,
10520 				    struct link_vars *vars)
10521 {
10522 	struct bnx2x *bp = params->bp;
10523 	u16 val;
10524 	u8 link_up = 0;
10525 	u16 legacy_status, legacy_speed;
10526 
10527 	/* Get speed operation status */
10528 	bnx2x_cl22_read(bp, phy,
10529 			0x19,
10530 			&legacy_status);
10531 	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
10532 
10533 	/* Read status to clear the PHY interrupt. */
10534 	bnx2x_cl22_read(bp, phy,
10535 			MDIO_REG_INTR_STATUS,
10536 			&val);
10537 
10538 	link_up = ((legacy_status & (1<<2)) == (1<<2));
10539 
10540 	if (link_up) {
10541 		legacy_speed = (legacy_status & (7<<8));
10542 		if (legacy_speed == (7<<8)) {
10543 			vars->line_speed = SPEED_1000;
10544 			vars->duplex = DUPLEX_FULL;
10545 		} else if (legacy_speed == (6<<8)) {
10546 			vars->line_speed = SPEED_1000;
10547 			vars->duplex = DUPLEX_HALF;
10548 		} else if (legacy_speed == (5<<8)) {
10549 			vars->line_speed = SPEED_100;
10550 			vars->duplex = DUPLEX_FULL;
10551 		}
10552 		/* Omitting 100Base-T4 for now */
10553 		else if (legacy_speed == (3<<8)) {
10554 			vars->line_speed = SPEED_100;
10555 			vars->duplex = DUPLEX_HALF;
10556 		} else if (legacy_speed == (2<<8)) {
10557 			vars->line_speed = SPEED_10;
10558 			vars->duplex = DUPLEX_FULL;
10559 		} else if (legacy_speed == (1<<8)) {
10560 			vars->line_speed = SPEED_10;
10561 			vars->duplex = DUPLEX_HALF;
10562 		} else /* Should not happen */
10563 			vars->line_speed = 0;
10564 
10565 		DP(NETIF_MSG_LINK,
10566 		   "Link is up in %dMbps, is_duplex_full= %d\n",
10567 		   vars->line_speed,
10568 		   (vars->duplex == DUPLEX_FULL));
10569 
10570 		/* Check legacy speed AN resolution */
10571 		bnx2x_cl22_read(bp, phy,
10572 				0x01,
10573 				&val);
10574 		if (val & (1<<5))
10575 			vars->link_status |=
10576 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10577 		bnx2x_cl22_read(bp, phy,
10578 				0x06,
10579 				&val);
10580 		if ((val & (1<<0)) == 0)
10581 			vars->link_status |=
10582 				LINK_STATUS_PARALLEL_DETECTION_USED;
10583 
10584 		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
10585 			   vars->line_speed);
10586 
10587 		/* Report whether EEE is resolved. */
10588 		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10589 		if (val == MDIO_REG_GPHY_ID_54618SE) {
10590 			if (vars->link_status &
10591 			    LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10592 				val = 0;
10593 			else {
10594 				bnx2x_cl22_write(bp, phy,
10595 					MDIO_REG_GPHY_CL45_ADDR_REG,
10596 					MDIO_AN_DEVAD);
10597 				bnx2x_cl22_write(bp, phy,
10598 					MDIO_REG_GPHY_CL45_DATA_REG,
10599 					MDIO_REG_GPHY_EEE_RESOLVED);
10600 				bnx2x_cl22_write(bp, phy,
10601 					MDIO_REG_GPHY_CL45_ADDR_REG,
10602 					(0x1 << 14) | MDIO_AN_DEVAD);
10603 				bnx2x_cl22_read(bp, phy,
10604 					MDIO_REG_GPHY_CL45_DATA_REG,
10605 					&val);
10606 			}
10607 			DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10608 		}
10609 
10610 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10611 
10612 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
10613 			/* Report LP advertised speeds */
10614 			bnx2x_cl22_read(bp, phy, 0x5, &val);
10615 
10616 			if (val & (1<<5))
10617 				vars->link_status |=
10618 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10619 			if (val & (1<<6))
10620 				vars->link_status |=
10621 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10622 			if (val & (1<<7))
10623 				vars->link_status |=
10624 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10625 			if (val & (1<<8))
10626 				vars->link_status |=
10627 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10628 			if (val & (1<<9))
10629 				vars->link_status |=
10630 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10631 
10632 			bnx2x_cl22_read(bp, phy, 0xa, &val);
10633 			if (val & (1<<10))
10634 				vars->link_status |=
10635 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10636 			if (val & (1<<11))
10637 				vars->link_status |=
10638 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10639 		}
10640 	}
10641 	return link_up;
10642 }
10643 
10644 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10645 					  struct link_params *params)
10646 {
10647 	struct bnx2x *bp = params->bp;
10648 	u16 val;
10649 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10650 
10651 	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
10652 
10653 	/* Enable master/slave manual mmode and set to master */
10654 	/* mii write 9 [bits set 11 12] */
10655 	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10656 
10657 	/* forced 1G and disable autoneg */
10658 	/* set val [mii read 0] */
10659 	/* set val [expr $val & [bits clear 6 12 13]] */
10660 	/* set val [expr $val | [bits set 6 8]] */
10661 	/* mii write 0 $val */
10662 	bnx2x_cl22_read(bp, phy, 0x00, &val);
10663 	val &= ~((1<<6) | (1<<12) | (1<<13));
10664 	val |= (1<<6) | (1<<8);
10665 	bnx2x_cl22_write(bp, phy, 0x00, val);
10666 
10667 	/* Set external loopback and Tx using 6dB coding */
10668 	/* mii write 0x18 7 */
10669 	/* set val [mii read 0x18] */
10670 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
10671 	bnx2x_cl22_write(bp, phy, 0x18, 7);
10672 	bnx2x_cl22_read(bp, phy, 0x18, &val);
10673 	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10674 
10675 	/* This register opens the gate for the UMAC despite its name */
10676 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10677 
10678 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10679 	 * length used by the MAC receive logic to check frames.
10680 	 */
10681 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10682 }
10683 
10684 /******************************************************************/
10685 /*			SFX7101 PHY SECTION			  */
10686 /******************************************************************/
10687 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10688 				       struct link_params *params)
10689 {
10690 	struct bnx2x *bp = params->bp;
10691 	/* SFX7101_XGXS_TEST1 */
10692 	bnx2x_cl45_write(bp, phy,
10693 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
10694 }
10695 
10696 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
10697 				  struct link_params *params,
10698 				  struct link_vars *vars)
10699 {
10700 	u16 fw_ver1, fw_ver2, val;
10701 	struct bnx2x *bp = params->bp;
10702 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
10703 
10704 	/* Restore normal power mode*/
10705 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
10706 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
10707 	/* HW reset */
10708 	bnx2x_ext_phy_hw_reset(bp, params->port);
10709 	bnx2x_wait_reset_complete(bp, phy, params);
10710 
10711 	bnx2x_cl45_write(bp, phy,
10712 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
10713 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
10714 	bnx2x_cl45_write(bp, phy,
10715 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
10716 
10717 	bnx2x_ext_phy_set_pause(params, phy, vars);
10718 	/* Restart autoneg */
10719 	bnx2x_cl45_read(bp, phy,
10720 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
10721 	val |= 0x200;
10722 	bnx2x_cl45_write(bp, phy,
10723 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
10724 
10725 	/* Save spirom version */
10726 	bnx2x_cl45_read(bp, phy,
10727 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
10728 
10729 	bnx2x_cl45_read(bp, phy,
10730 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
10731 	bnx2x_save_spirom_version(bp, params->port,
10732 				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
10733 	return 0;
10734 }
10735 
10736 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
10737 				 struct link_params *params,
10738 				 struct link_vars *vars)
10739 {
10740 	struct bnx2x *bp = params->bp;
10741 	u8 link_up;
10742 	u16 val1, val2;
10743 	bnx2x_cl45_read(bp, phy,
10744 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
10745 	bnx2x_cl45_read(bp, phy,
10746 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
10747 	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
10748 		   val2, val1);
10749 	bnx2x_cl45_read(bp, phy,
10750 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
10751 	bnx2x_cl45_read(bp, phy,
10752 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
10753 	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
10754 		   val2, val1);
10755 	link_up = ((val1 & 4) == 4);
10756 	/* if link is up print the AN outcome of the SFX7101 PHY */
10757 	if (link_up) {
10758 		bnx2x_cl45_read(bp, phy,
10759 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
10760 				&val2);
10761 		vars->line_speed = SPEED_10000;
10762 		vars->duplex = DUPLEX_FULL;
10763 		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
10764 			   val2, (val2 & (1<<14)));
10765 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10766 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10767 
10768 		/* read LP advertised speeds */
10769 		if (val2 & (1<<11))
10770 			vars->link_status |=
10771 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10772 	}
10773 	return link_up;
10774 }
10775 
10776 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
10777 {
10778 	if (*len < 5)
10779 		return -EINVAL;
10780 	str[0] = (spirom_ver & 0xFF);
10781 	str[1] = (spirom_ver & 0xFF00) >> 8;
10782 	str[2] = (spirom_ver & 0xFF0000) >> 16;
10783 	str[3] = (spirom_ver & 0xFF000000) >> 24;
10784 	str[4] = '\0';
10785 	*len -= 5;
10786 	return 0;
10787 }
10788 
10789 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10790 {
10791 	u16 val, cnt;
10792 
10793 	bnx2x_cl45_read(bp, phy,
10794 			MDIO_PMA_DEVAD,
10795 			MDIO_PMA_REG_7101_RESET, &val);
10796 
10797 	for (cnt = 0; cnt < 10; cnt++) {
10798 		msleep(50);
10799 		/* Writes a self-clearing reset */
10800 		bnx2x_cl45_write(bp, phy,
10801 				 MDIO_PMA_DEVAD,
10802 				 MDIO_PMA_REG_7101_RESET,
10803 				 (val | (1<<15)));
10804 		/* Wait for clear */
10805 		bnx2x_cl45_read(bp, phy,
10806 				MDIO_PMA_DEVAD,
10807 				MDIO_PMA_REG_7101_RESET, &val);
10808 
10809 		if ((val & (1<<15)) == 0)
10810 			break;
10811 	}
10812 }
10813 
10814 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
10815 				struct link_params *params) {
10816 	/* Low power mode is controlled by GPIO 2 */
10817 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
10818 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
10819 	/* The PHY reset is controlled by GPIO 1 */
10820 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10821 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
10822 }
10823 
10824 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
10825 				    struct link_params *params, u8 mode)
10826 {
10827 	u16 val = 0;
10828 	struct bnx2x *bp = params->bp;
10829 	switch (mode) {
10830 	case LED_MODE_FRONT_PANEL_OFF:
10831 	case LED_MODE_OFF:
10832 		val = 2;
10833 		break;
10834 	case LED_MODE_ON:
10835 		val = 1;
10836 		break;
10837 	case LED_MODE_OPER:
10838 		val = 0;
10839 		break;
10840 	}
10841 	bnx2x_cl45_write(bp, phy,
10842 			 MDIO_PMA_DEVAD,
10843 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
10844 			 val);
10845 }
10846 
10847 /******************************************************************/
10848 /*			STATIC PHY DECLARATION			  */
10849 /******************************************************************/
10850 
10851 static struct bnx2x_phy phy_null = {
10852 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
10853 	.addr		= 0,
10854 	.def_md_devad	= 0,
10855 	.flags		= FLAGS_INIT_XGXS_FIRST,
10856 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10857 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10858 	.mdio_ctrl	= 0,
10859 	.supported	= 0,
10860 	.media_type	= ETH_PHY_NOT_PRESENT,
10861 	.ver_addr	= 0,
10862 	.req_flow_ctrl	= 0,
10863 	.req_line_speed	= 0,
10864 	.speed_cap_mask	= 0,
10865 	.req_duplex	= 0,
10866 	.rsrv		= 0,
10867 	.config_init	= (config_init_t)NULL,
10868 	.read_status	= (read_status_t)NULL,
10869 	.link_reset	= (link_reset_t)NULL,
10870 	.config_loopback = (config_loopback_t)NULL,
10871 	.format_fw_ver	= (format_fw_ver_t)NULL,
10872 	.hw_reset	= (hw_reset_t)NULL,
10873 	.set_link_led	= (set_link_led_t)NULL,
10874 	.phy_specific_func = (phy_specific_func_t)NULL
10875 };
10876 
10877 static struct bnx2x_phy phy_serdes = {
10878 	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
10879 	.addr		= 0xff,
10880 	.def_md_devad	= 0,
10881 	.flags		= 0,
10882 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10883 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10884 	.mdio_ctrl	= 0,
10885 	.supported	= (SUPPORTED_10baseT_Half |
10886 			   SUPPORTED_10baseT_Full |
10887 			   SUPPORTED_100baseT_Half |
10888 			   SUPPORTED_100baseT_Full |
10889 			   SUPPORTED_1000baseT_Full |
10890 			   SUPPORTED_2500baseX_Full |
10891 			   SUPPORTED_TP |
10892 			   SUPPORTED_Autoneg |
10893 			   SUPPORTED_Pause |
10894 			   SUPPORTED_Asym_Pause),
10895 	.media_type	= ETH_PHY_BASE_T,
10896 	.ver_addr	= 0,
10897 	.req_flow_ctrl	= 0,
10898 	.req_line_speed	= 0,
10899 	.speed_cap_mask	= 0,
10900 	.req_duplex	= 0,
10901 	.rsrv		= 0,
10902 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
10903 	.read_status	= (read_status_t)bnx2x_link_settings_status,
10904 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
10905 	.config_loopback = (config_loopback_t)NULL,
10906 	.format_fw_ver	= (format_fw_ver_t)NULL,
10907 	.hw_reset	= (hw_reset_t)NULL,
10908 	.set_link_led	= (set_link_led_t)NULL,
10909 	.phy_specific_func = (phy_specific_func_t)NULL
10910 };
10911 
10912 static struct bnx2x_phy phy_xgxs = {
10913 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10914 	.addr		= 0xff,
10915 	.def_md_devad	= 0,
10916 	.flags		= 0,
10917 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10918 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10919 	.mdio_ctrl	= 0,
10920 	.supported	= (SUPPORTED_10baseT_Half |
10921 			   SUPPORTED_10baseT_Full |
10922 			   SUPPORTED_100baseT_Half |
10923 			   SUPPORTED_100baseT_Full |
10924 			   SUPPORTED_1000baseT_Full |
10925 			   SUPPORTED_2500baseX_Full |
10926 			   SUPPORTED_10000baseT_Full |
10927 			   SUPPORTED_FIBRE |
10928 			   SUPPORTED_Autoneg |
10929 			   SUPPORTED_Pause |
10930 			   SUPPORTED_Asym_Pause),
10931 	.media_type	= ETH_PHY_CX4,
10932 	.ver_addr	= 0,
10933 	.req_flow_ctrl	= 0,
10934 	.req_line_speed	= 0,
10935 	.speed_cap_mask	= 0,
10936 	.req_duplex	= 0,
10937 	.rsrv		= 0,
10938 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
10939 	.read_status	= (read_status_t)bnx2x_link_settings_status,
10940 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
10941 	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
10942 	.format_fw_ver	= (format_fw_ver_t)NULL,
10943 	.hw_reset	= (hw_reset_t)NULL,
10944 	.set_link_led	= (set_link_led_t)NULL,
10945 	.phy_specific_func = (phy_specific_func_t)NULL
10946 };
10947 static struct bnx2x_phy phy_warpcore = {
10948 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
10949 	.addr		= 0xff,
10950 	.def_md_devad	= 0,
10951 	.flags		= (FLAGS_HW_LOCK_REQUIRED |
10952 			   FLAGS_TX_ERROR_CHECK),
10953 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10954 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10955 	.mdio_ctrl	= 0,
10956 	.supported	= (SUPPORTED_10baseT_Half |
10957 			   SUPPORTED_10baseT_Full |
10958 			   SUPPORTED_100baseT_Half |
10959 			   SUPPORTED_100baseT_Full |
10960 			   SUPPORTED_1000baseT_Full |
10961 			   SUPPORTED_10000baseT_Full |
10962 			   SUPPORTED_20000baseKR2_Full |
10963 			   SUPPORTED_20000baseMLD2_Full |
10964 			   SUPPORTED_FIBRE |
10965 			   SUPPORTED_Autoneg |
10966 			   SUPPORTED_Pause |
10967 			   SUPPORTED_Asym_Pause),
10968 	.media_type	= ETH_PHY_UNSPECIFIED,
10969 	.ver_addr	= 0,
10970 	.req_flow_ctrl	= 0,
10971 	.req_line_speed	= 0,
10972 	.speed_cap_mask	= 0,
10973 	/* req_duplex = */0,
10974 	/* rsrv = */0,
10975 	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
10976 	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
10977 	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
10978 	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
10979 	.format_fw_ver	= (format_fw_ver_t)NULL,
10980 	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
10981 	.set_link_led	= (set_link_led_t)NULL,
10982 	.phy_specific_func = (phy_specific_func_t)NULL
10983 };
10984 
10985 
10986 static struct bnx2x_phy phy_7101 = {
10987 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
10988 	.addr		= 0xff,
10989 	.def_md_devad	= 0,
10990 	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
10991 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10992 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
10993 	.mdio_ctrl	= 0,
10994 	.supported	= (SUPPORTED_10000baseT_Full |
10995 			   SUPPORTED_TP |
10996 			   SUPPORTED_Autoneg |
10997 			   SUPPORTED_Pause |
10998 			   SUPPORTED_Asym_Pause),
10999 	.media_type	= ETH_PHY_BASE_T,
11000 	.ver_addr	= 0,
11001 	.req_flow_ctrl	= 0,
11002 	.req_line_speed	= 0,
11003 	.speed_cap_mask	= 0,
11004 	.req_duplex	= 0,
11005 	.rsrv		= 0,
11006 	.config_init	= (config_init_t)bnx2x_7101_config_init,
11007 	.read_status	= (read_status_t)bnx2x_7101_read_status,
11008 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11009 	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11010 	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
11011 	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
11012 	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
11013 	.phy_specific_func = (phy_specific_func_t)NULL
11014 };
11015 static struct bnx2x_phy phy_8073 = {
11016 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11017 	.addr		= 0xff,
11018 	.def_md_devad	= 0,
11019 	.flags		= FLAGS_HW_LOCK_REQUIRED,
11020 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11021 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11022 	.mdio_ctrl	= 0,
11023 	.supported	= (SUPPORTED_10000baseT_Full |
11024 			   SUPPORTED_2500baseX_Full |
11025 			   SUPPORTED_1000baseT_Full |
11026 			   SUPPORTED_FIBRE |
11027 			   SUPPORTED_Autoneg |
11028 			   SUPPORTED_Pause |
11029 			   SUPPORTED_Asym_Pause),
11030 	.media_type	= ETH_PHY_KR,
11031 	.ver_addr	= 0,
11032 	.req_flow_ctrl	= 0,
11033 	.req_line_speed	= 0,
11034 	.speed_cap_mask	= 0,
11035 	.req_duplex	= 0,
11036 	.rsrv		= 0,
11037 	.config_init	= (config_init_t)bnx2x_8073_config_init,
11038 	.read_status	= (read_status_t)bnx2x_8073_read_status,
11039 	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
11040 	.config_loopback = (config_loopback_t)NULL,
11041 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11042 	.hw_reset	= (hw_reset_t)NULL,
11043 	.set_link_led	= (set_link_led_t)NULL,
11044 	.phy_specific_func = (phy_specific_func_t)NULL
11045 };
11046 static struct bnx2x_phy phy_8705 = {
11047 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11048 	.addr		= 0xff,
11049 	.def_md_devad	= 0,
11050 	.flags		= FLAGS_INIT_XGXS_FIRST,
11051 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11052 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11053 	.mdio_ctrl	= 0,
11054 	.supported	= (SUPPORTED_10000baseT_Full |
11055 			   SUPPORTED_FIBRE |
11056 			   SUPPORTED_Pause |
11057 			   SUPPORTED_Asym_Pause),
11058 	.media_type	= ETH_PHY_XFP_FIBER,
11059 	.ver_addr	= 0,
11060 	.req_flow_ctrl	= 0,
11061 	.req_line_speed	= 0,
11062 	.speed_cap_mask	= 0,
11063 	.req_duplex	= 0,
11064 	.rsrv		= 0,
11065 	.config_init	= (config_init_t)bnx2x_8705_config_init,
11066 	.read_status	= (read_status_t)bnx2x_8705_read_status,
11067 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11068 	.config_loopback = (config_loopback_t)NULL,
11069 	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
11070 	.hw_reset	= (hw_reset_t)NULL,
11071 	.set_link_led	= (set_link_led_t)NULL,
11072 	.phy_specific_func = (phy_specific_func_t)NULL
11073 };
11074 static struct bnx2x_phy phy_8706 = {
11075 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11076 	.addr		= 0xff,
11077 	.def_md_devad	= 0,
11078 	.flags		= FLAGS_INIT_XGXS_FIRST,
11079 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11080 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11081 	.mdio_ctrl	= 0,
11082 	.supported	= (SUPPORTED_10000baseT_Full |
11083 			   SUPPORTED_1000baseT_Full |
11084 			   SUPPORTED_FIBRE |
11085 			   SUPPORTED_Pause |
11086 			   SUPPORTED_Asym_Pause),
11087 	.media_type	= ETH_PHY_SFP_FIBER,
11088 	.ver_addr	= 0,
11089 	.req_flow_ctrl	= 0,
11090 	.req_line_speed	= 0,
11091 	.speed_cap_mask	= 0,
11092 	.req_duplex	= 0,
11093 	.rsrv		= 0,
11094 	.config_init	= (config_init_t)bnx2x_8706_config_init,
11095 	.read_status	= (read_status_t)bnx2x_8706_read_status,
11096 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11097 	.config_loopback = (config_loopback_t)NULL,
11098 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11099 	.hw_reset	= (hw_reset_t)NULL,
11100 	.set_link_led	= (set_link_led_t)NULL,
11101 	.phy_specific_func = (phy_specific_func_t)NULL
11102 };
11103 
11104 static struct bnx2x_phy phy_8726 = {
11105 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11106 	.addr		= 0xff,
11107 	.def_md_devad	= 0,
11108 	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11109 			   FLAGS_INIT_XGXS_FIRST |
11110 			   FLAGS_TX_ERROR_CHECK),
11111 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11112 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11113 	.mdio_ctrl	= 0,
11114 	.supported	= (SUPPORTED_10000baseT_Full |
11115 			   SUPPORTED_1000baseT_Full |
11116 			   SUPPORTED_Autoneg |
11117 			   SUPPORTED_FIBRE |
11118 			   SUPPORTED_Pause |
11119 			   SUPPORTED_Asym_Pause),
11120 	.media_type	= ETH_PHY_NOT_PRESENT,
11121 	.ver_addr	= 0,
11122 	.req_flow_ctrl	= 0,
11123 	.req_line_speed	= 0,
11124 	.speed_cap_mask	= 0,
11125 	.req_duplex	= 0,
11126 	.rsrv		= 0,
11127 	.config_init	= (config_init_t)bnx2x_8726_config_init,
11128 	.read_status	= (read_status_t)bnx2x_8726_read_status,
11129 	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
11130 	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11131 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11132 	.hw_reset	= (hw_reset_t)NULL,
11133 	.set_link_led	= (set_link_led_t)NULL,
11134 	.phy_specific_func = (phy_specific_func_t)NULL
11135 };
11136 
11137 static struct bnx2x_phy phy_8727 = {
11138 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11139 	.addr		= 0xff,
11140 	.def_md_devad	= 0,
11141 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11142 			   FLAGS_TX_ERROR_CHECK),
11143 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11144 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11145 	.mdio_ctrl	= 0,
11146 	.supported	= (SUPPORTED_10000baseT_Full |
11147 			   SUPPORTED_1000baseT_Full |
11148 			   SUPPORTED_FIBRE |
11149 			   SUPPORTED_Pause |
11150 			   SUPPORTED_Asym_Pause),
11151 	.media_type	= ETH_PHY_NOT_PRESENT,
11152 	.ver_addr	= 0,
11153 	.req_flow_ctrl	= 0,
11154 	.req_line_speed	= 0,
11155 	.speed_cap_mask	= 0,
11156 	.req_duplex	= 0,
11157 	.rsrv		= 0,
11158 	.config_init	= (config_init_t)bnx2x_8727_config_init,
11159 	.read_status	= (read_status_t)bnx2x_8727_read_status,
11160 	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
11161 	.config_loopback = (config_loopback_t)NULL,
11162 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11163 	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
11164 	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
11165 	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11166 };
11167 static struct bnx2x_phy phy_8481 = {
11168 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11169 	.addr		= 0xff,
11170 	.def_md_devad	= 0,
11171 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11172 			  FLAGS_REARM_LATCH_SIGNAL,
11173 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11174 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11175 	.mdio_ctrl	= 0,
11176 	.supported	= (SUPPORTED_10baseT_Half |
11177 			   SUPPORTED_10baseT_Full |
11178 			   SUPPORTED_100baseT_Half |
11179 			   SUPPORTED_100baseT_Full |
11180 			   SUPPORTED_1000baseT_Full |
11181 			   SUPPORTED_10000baseT_Full |
11182 			   SUPPORTED_TP |
11183 			   SUPPORTED_Autoneg |
11184 			   SUPPORTED_Pause |
11185 			   SUPPORTED_Asym_Pause),
11186 	.media_type	= ETH_PHY_BASE_T,
11187 	.ver_addr	= 0,
11188 	.req_flow_ctrl	= 0,
11189 	.req_line_speed	= 0,
11190 	.speed_cap_mask	= 0,
11191 	.req_duplex	= 0,
11192 	.rsrv		= 0,
11193 	.config_init	= (config_init_t)bnx2x_8481_config_init,
11194 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11195 	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
11196 	.config_loopback = (config_loopback_t)NULL,
11197 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11198 	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
11199 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11200 	.phy_specific_func = (phy_specific_func_t)NULL
11201 };
11202 
11203 static struct bnx2x_phy phy_84823 = {
11204 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11205 	.addr		= 0xff,
11206 	.def_md_devad	= 0,
11207 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11208 			   FLAGS_REARM_LATCH_SIGNAL |
11209 			   FLAGS_TX_ERROR_CHECK),
11210 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11211 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11212 	.mdio_ctrl	= 0,
11213 	.supported	= (SUPPORTED_10baseT_Half |
11214 			   SUPPORTED_10baseT_Full |
11215 			   SUPPORTED_100baseT_Half |
11216 			   SUPPORTED_100baseT_Full |
11217 			   SUPPORTED_1000baseT_Full |
11218 			   SUPPORTED_10000baseT_Full |
11219 			   SUPPORTED_TP |
11220 			   SUPPORTED_Autoneg |
11221 			   SUPPORTED_Pause |
11222 			   SUPPORTED_Asym_Pause),
11223 	.media_type	= ETH_PHY_BASE_T,
11224 	.ver_addr	= 0,
11225 	.req_flow_ctrl	= 0,
11226 	.req_line_speed	= 0,
11227 	.speed_cap_mask	= 0,
11228 	.req_duplex	= 0,
11229 	.rsrv		= 0,
11230 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11231 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11232 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11233 	.config_loopback = (config_loopback_t)NULL,
11234 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11235 	.hw_reset	= (hw_reset_t)NULL,
11236 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11237 	.phy_specific_func = (phy_specific_func_t)NULL
11238 };
11239 
11240 static struct bnx2x_phy phy_84833 = {
11241 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11242 	.addr		= 0xff,
11243 	.def_md_devad	= 0,
11244 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11245 			   FLAGS_REARM_LATCH_SIGNAL |
11246 			   FLAGS_TX_ERROR_CHECK),
11247 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11248 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11249 	.mdio_ctrl	= 0,
11250 	.supported	= (SUPPORTED_100baseT_Half |
11251 			   SUPPORTED_100baseT_Full |
11252 			   SUPPORTED_1000baseT_Full |
11253 			   SUPPORTED_10000baseT_Full |
11254 			   SUPPORTED_TP |
11255 			   SUPPORTED_Autoneg |
11256 			   SUPPORTED_Pause |
11257 			   SUPPORTED_Asym_Pause),
11258 	.media_type	= ETH_PHY_BASE_T,
11259 	.ver_addr	= 0,
11260 	.req_flow_ctrl	= 0,
11261 	.req_line_speed	= 0,
11262 	.speed_cap_mask	= 0,
11263 	.req_duplex	= 0,
11264 	.rsrv		= 0,
11265 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11266 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11267 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11268 	.config_loopback = (config_loopback_t)NULL,
11269 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11270 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11271 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11272 	.phy_specific_func = (phy_specific_func_t)NULL
11273 };
11274 
11275 static struct bnx2x_phy phy_54618se = {
11276 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11277 	.addr		= 0xff,
11278 	.def_md_devad	= 0,
11279 	.flags		= FLAGS_INIT_XGXS_FIRST,
11280 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11281 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11282 	.mdio_ctrl	= 0,
11283 	.supported	= (SUPPORTED_10baseT_Half |
11284 			   SUPPORTED_10baseT_Full |
11285 			   SUPPORTED_100baseT_Half |
11286 			   SUPPORTED_100baseT_Full |
11287 			   SUPPORTED_1000baseT_Full |
11288 			   SUPPORTED_TP |
11289 			   SUPPORTED_Autoneg |
11290 			   SUPPORTED_Pause |
11291 			   SUPPORTED_Asym_Pause),
11292 	.media_type	= ETH_PHY_BASE_T,
11293 	.ver_addr	= 0,
11294 	.req_flow_ctrl	= 0,
11295 	.req_line_speed	= 0,
11296 	.speed_cap_mask	= 0,
11297 	/* req_duplex = */0,
11298 	/* rsrv = */0,
11299 	.config_init	= (config_init_t)bnx2x_54618se_config_init,
11300 	.read_status	= (read_status_t)bnx2x_54618se_read_status,
11301 	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
11302 	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11303 	.format_fw_ver	= (format_fw_ver_t)NULL,
11304 	.hw_reset	= (hw_reset_t)NULL,
11305 	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
11306 	.phy_specific_func = (phy_specific_func_t)NULL
11307 };
11308 /*****************************************************************/
11309 /*                                                               */
11310 /* Populate the phy according. Main function: bnx2x_populate_phy   */
11311 /*                                                               */
11312 /*****************************************************************/
11313 
11314 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11315 				     struct bnx2x_phy *phy, u8 port,
11316 				     u8 phy_index)
11317 {
11318 	/* Get the 4 lanes xgxs config rx and tx */
11319 	u32 rx = 0, tx = 0, i;
11320 	for (i = 0; i < 2; i++) {
11321 		/* INT_PHY and EXT_PHY1 share the same value location in
11322 		 * the shmem. When num_phys is greater than 1, than this value
11323 		 * applies only to EXT_PHY1
11324 		 */
11325 		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11326 			rx = REG_RD(bp, shmem_base +
11327 				    offsetof(struct shmem_region,
11328 			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11329 
11330 			tx = REG_RD(bp, shmem_base +
11331 				    offsetof(struct shmem_region,
11332 			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11333 		} else {
11334 			rx = REG_RD(bp, shmem_base +
11335 				    offsetof(struct shmem_region,
11336 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11337 
11338 			tx = REG_RD(bp, shmem_base +
11339 				    offsetof(struct shmem_region,
11340 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11341 		}
11342 
11343 		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11344 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11345 
11346 		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11347 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11348 	}
11349 }
11350 
11351 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11352 				    u8 phy_index, u8 port)
11353 {
11354 	u32 ext_phy_config = 0;
11355 	switch (phy_index) {
11356 	case EXT_PHY1:
11357 		ext_phy_config = REG_RD(bp, shmem_base +
11358 					      offsetof(struct shmem_region,
11359 			dev_info.port_hw_config[port].external_phy_config));
11360 		break;
11361 	case EXT_PHY2:
11362 		ext_phy_config = REG_RD(bp, shmem_base +
11363 					      offsetof(struct shmem_region,
11364 			dev_info.port_hw_config[port].external_phy_config2));
11365 		break;
11366 	default:
11367 		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11368 		return -EINVAL;
11369 	}
11370 
11371 	return ext_phy_config;
11372 }
11373 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11374 				  struct bnx2x_phy *phy)
11375 {
11376 	u32 phy_addr;
11377 	u32 chip_id;
11378 	u32 switch_cfg = (REG_RD(bp, shmem_base +
11379 				       offsetof(struct shmem_region,
11380 			dev_info.port_feature_config[port].link_config)) &
11381 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
11382 	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11383 		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11384 
11385 	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11386 	if (USES_WARPCORE(bp)) {
11387 		u32 serdes_net_if;
11388 		phy_addr = REG_RD(bp,
11389 				  MISC_REG_WC0_CTRL_PHY_ADDR);
11390 		*phy = phy_warpcore;
11391 		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11392 			phy->flags |= FLAGS_4_PORT_MODE;
11393 		else
11394 			phy->flags &= ~FLAGS_4_PORT_MODE;
11395 			/* Check Dual mode */
11396 		serdes_net_if = (REG_RD(bp, shmem_base +
11397 					offsetof(struct shmem_region, dev_info.
11398 					port_hw_config[port].default_cfg)) &
11399 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
11400 		/* Set the appropriate supported and flags indications per
11401 		 * interface type of the chip
11402 		 */
11403 		switch (serdes_net_if) {
11404 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11405 			phy->supported &= (SUPPORTED_10baseT_Half |
11406 					   SUPPORTED_10baseT_Full |
11407 					   SUPPORTED_100baseT_Half |
11408 					   SUPPORTED_100baseT_Full |
11409 					   SUPPORTED_1000baseT_Full |
11410 					   SUPPORTED_FIBRE |
11411 					   SUPPORTED_Autoneg |
11412 					   SUPPORTED_Pause |
11413 					   SUPPORTED_Asym_Pause);
11414 			phy->media_type = ETH_PHY_BASE_T;
11415 			break;
11416 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
11417 			phy->media_type = ETH_PHY_XFP_FIBER;
11418 			break;
11419 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
11420 			phy->supported &= (SUPPORTED_1000baseT_Full |
11421 					   SUPPORTED_10000baseT_Full |
11422 					   SUPPORTED_FIBRE |
11423 					   SUPPORTED_Pause |
11424 					   SUPPORTED_Asym_Pause);
11425 			phy->media_type = ETH_PHY_SFP_FIBER;
11426 			break;
11427 		case PORT_HW_CFG_NET_SERDES_IF_KR:
11428 			phy->media_type = ETH_PHY_KR;
11429 			phy->supported &= (SUPPORTED_1000baseT_Full |
11430 					   SUPPORTED_10000baseT_Full |
11431 					   SUPPORTED_FIBRE |
11432 					   SUPPORTED_Autoneg |
11433 					   SUPPORTED_Pause |
11434 					   SUPPORTED_Asym_Pause);
11435 			break;
11436 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11437 			phy->media_type = ETH_PHY_KR;
11438 			phy->flags |= FLAGS_WC_DUAL_MODE;
11439 			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11440 					   SUPPORTED_FIBRE |
11441 					   SUPPORTED_Pause |
11442 					   SUPPORTED_Asym_Pause);
11443 			break;
11444 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
11445 			phy->media_type = ETH_PHY_KR;
11446 			phy->flags |= FLAGS_WC_DUAL_MODE;
11447 			phy->supported &= (SUPPORTED_20000baseKR2_Full |
11448 					   SUPPORTED_FIBRE |
11449 					   SUPPORTED_Pause |
11450 					   SUPPORTED_Asym_Pause);
11451 			break;
11452 		default:
11453 			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11454 				       serdes_net_if);
11455 			break;
11456 		}
11457 
11458 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11459 		 * was not set as expected. For B0, ECO will be enabled so there
11460 		 * won't be an issue there
11461 		 */
11462 		if (CHIP_REV(bp) == CHIP_REV_Ax)
11463 			phy->flags |= FLAGS_MDC_MDIO_WA;
11464 		else
11465 			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11466 	} else {
11467 		switch (switch_cfg) {
11468 		case SWITCH_CFG_1G:
11469 			phy_addr = REG_RD(bp,
11470 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
11471 					  port * 0x10);
11472 			*phy = phy_serdes;
11473 			break;
11474 		case SWITCH_CFG_10G:
11475 			phy_addr = REG_RD(bp,
11476 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
11477 					  port * 0x18);
11478 			*phy = phy_xgxs;
11479 			break;
11480 		default:
11481 			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11482 			return -EINVAL;
11483 		}
11484 	}
11485 	phy->addr = (u8)phy_addr;
11486 	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11487 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11488 					    port);
11489 	if (CHIP_IS_E2(bp))
11490 		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11491 	else
11492 		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
11493 
11494 	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11495 		   port, phy->addr, phy->mdio_ctrl);
11496 
11497 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11498 	return 0;
11499 }
11500 
11501 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11502 				  u8 phy_index,
11503 				  u32 shmem_base,
11504 				  u32 shmem2_base,
11505 				  u8 port,
11506 				  struct bnx2x_phy *phy)
11507 {
11508 	u32 ext_phy_config, phy_type, config2;
11509 	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
11510 	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11511 						  phy_index, port);
11512 	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11513 	/* Select the phy type */
11514 	switch (phy_type) {
11515 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
11516 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
11517 		*phy = phy_8073;
11518 		break;
11519 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11520 		*phy = phy_8705;
11521 		break;
11522 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11523 		*phy = phy_8706;
11524 		break;
11525 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
11526 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11527 		*phy = phy_8726;
11528 		break;
11529 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11530 		/* BCM8727_NOC => BCM8727 no over current */
11531 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11532 		*phy = phy_8727;
11533 		phy->flags |= FLAGS_NOC;
11534 		break;
11535 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
11536 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11537 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11538 		*phy = phy_8727;
11539 		break;
11540 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11541 		*phy = phy_8481;
11542 		break;
11543 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11544 		*phy = phy_84823;
11545 		break;
11546 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11547 		*phy = phy_84833;
11548 		break;
11549 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11550 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11551 		*phy = phy_54618se;
11552 		break;
11553 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11554 		*phy = phy_7101;
11555 		break;
11556 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11557 		*phy = phy_null;
11558 		return -EINVAL;
11559 	default:
11560 		*phy = phy_null;
11561 		/* In case external PHY wasn't found */
11562 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11563 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11564 			return -EINVAL;
11565 		return 0;
11566 	}
11567 
11568 	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
11569 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
11570 
11571 	/* The shmem address of the phy version is located on different
11572 	 * structures. In case this structure is too old, do not set
11573 	 * the address
11574 	 */
11575 	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11576 					dev_info.shared_hw_config.config2));
11577 	if (phy_index == EXT_PHY1) {
11578 		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11579 				port_mb[port].ext_phy_fw_version);
11580 
11581 		/* Check specific mdc mdio settings */
11582 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11583 			mdc_mdio_access = config2 &
11584 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
11585 	} else {
11586 		u32 size = REG_RD(bp, shmem2_base);
11587 
11588 		if (size >
11589 		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11590 			phy->ver_addr = shmem2_base +
11591 			    offsetof(struct shmem2_region,
11592 				     ext_phy_fw_version2[port]);
11593 		}
11594 		/* Check specific mdc mdio settings */
11595 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11596 			mdc_mdio_access = (config2 &
11597 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11598 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11599 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11600 	}
11601 	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11602 
11603 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11604 	    (phy->ver_addr)) {
11605 		/* Remove 100Mb link supported for BCM84833 when phy fw
11606 		 * version lower than or equal to 1.39
11607 		 */
11608 		u32 raw_ver = REG_RD(bp, phy->ver_addr);
11609 		if (((raw_ver & 0x7F) <= 39) &&
11610 		    (((raw_ver & 0xF80) >> 7) <= 1))
11611 			phy->supported &= ~(SUPPORTED_100baseT_Half |
11612 					    SUPPORTED_100baseT_Full);
11613 	}
11614 
11615 	/* In case mdc/mdio_access of the external phy is different than the
11616 	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11617 	 * to prevent one port interfere with another port's CL45 operations.
11618 	 */
11619 	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11620 		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11621 	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11622 		   phy_type, port, phy_index);
11623 	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
11624 		   phy->addr, phy->mdio_ctrl);
11625 	return 0;
11626 }
11627 
11628 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11629 			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
11630 {
11631 	int status = 0;
11632 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11633 	if (phy_index == INT_PHY)
11634 		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
11635 	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
11636 					port, phy);
11637 	return status;
11638 }
11639 
11640 static void bnx2x_phy_def_cfg(struct link_params *params,
11641 			      struct bnx2x_phy *phy,
11642 			      u8 phy_index)
11643 {
11644 	struct bnx2x *bp = params->bp;
11645 	u32 link_config;
11646 	/* Populate the default phy configuration for MF mode */
11647 	if (phy_index == EXT_PHY2) {
11648 		link_config = REG_RD(bp, params->shmem_base +
11649 				     offsetof(struct shmem_region, dev_info.
11650 			port_feature_config[params->port].link_config2));
11651 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11652 					     offsetof(struct shmem_region,
11653 						      dev_info.
11654 			port_hw_config[params->port].speed_capability_mask2));
11655 	} else {
11656 		link_config = REG_RD(bp, params->shmem_base +
11657 				     offsetof(struct shmem_region, dev_info.
11658 				port_feature_config[params->port].link_config));
11659 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11660 					     offsetof(struct shmem_region,
11661 						      dev_info.
11662 			port_hw_config[params->port].speed_capability_mask));
11663 	}
11664 	DP(NETIF_MSG_LINK,
11665 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11666 	   phy_index, link_config, phy->speed_cap_mask);
11667 
11668 	phy->req_duplex = DUPLEX_FULL;
11669 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
11670 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
11671 		phy->req_duplex = DUPLEX_HALF;
11672 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
11673 		phy->req_line_speed = SPEED_10;
11674 		break;
11675 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
11676 		phy->req_duplex = DUPLEX_HALF;
11677 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
11678 		phy->req_line_speed = SPEED_100;
11679 		break;
11680 	case PORT_FEATURE_LINK_SPEED_1G:
11681 		phy->req_line_speed = SPEED_1000;
11682 		break;
11683 	case PORT_FEATURE_LINK_SPEED_2_5G:
11684 		phy->req_line_speed = SPEED_2500;
11685 		break;
11686 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
11687 		phy->req_line_speed = SPEED_10000;
11688 		break;
11689 	default:
11690 		phy->req_line_speed = SPEED_AUTO_NEG;
11691 		break;
11692 	}
11693 
11694 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
11695 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
11696 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
11697 		break;
11698 	case PORT_FEATURE_FLOW_CONTROL_TX:
11699 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
11700 		break;
11701 	case PORT_FEATURE_FLOW_CONTROL_RX:
11702 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
11703 		break;
11704 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
11705 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
11706 		break;
11707 	default:
11708 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11709 		break;
11710 	}
11711 }
11712 
11713 u32 bnx2x_phy_selection(struct link_params *params)
11714 {
11715 	u32 phy_config_swapped, prio_cfg;
11716 	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
11717 
11718 	phy_config_swapped = params->multi_phy_config &
11719 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11720 
11721 	prio_cfg = params->multi_phy_config &
11722 			PORT_HW_CFG_PHY_SELECTION_MASK;
11723 
11724 	if (phy_config_swapped) {
11725 		switch (prio_cfg) {
11726 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11727 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
11728 		     break;
11729 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11730 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
11731 		     break;
11732 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11733 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
11734 		     break;
11735 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11736 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
11737 		     break;
11738 		}
11739 	} else
11740 		return_cfg = prio_cfg;
11741 
11742 	return return_cfg;
11743 }
11744 
11745 
11746 int bnx2x_phy_probe(struct link_params *params)
11747 {
11748 	u8 phy_index, actual_phy_idx;
11749 	u32 phy_config_swapped, sync_offset, media_types;
11750 	struct bnx2x *bp = params->bp;
11751 	struct bnx2x_phy *phy;
11752 	params->num_phys = 0;
11753 	DP(NETIF_MSG_LINK, "Begin phy probe\n");
11754 	phy_config_swapped = params->multi_phy_config &
11755 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
11756 
11757 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
11758 	      phy_index++) {
11759 		actual_phy_idx = phy_index;
11760 		if (phy_config_swapped) {
11761 			if (phy_index == EXT_PHY1)
11762 				actual_phy_idx = EXT_PHY2;
11763 			else if (phy_index == EXT_PHY2)
11764 				actual_phy_idx = EXT_PHY1;
11765 		}
11766 		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
11767 			       " actual_phy_idx %x\n", phy_config_swapped,
11768 			   phy_index, actual_phy_idx);
11769 		phy = &params->phy[actual_phy_idx];
11770 		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
11771 				       params->shmem2_base, params->port,
11772 				       phy) != 0) {
11773 			params->num_phys = 0;
11774 			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
11775 				   phy_index);
11776 			for (phy_index = INT_PHY;
11777 			      phy_index < MAX_PHYS;
11778 			      phy_index++)
11779 				*phy = phy_null;
11780 			return -EINVAL;
11781 		}
11782 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
11783 			break;
11784 
11785 		if (params->feature_config_flags &
11786 		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
11787 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
11788 
11789 		sync_offset = params->shmem_base +
11790 			offsetof(struct shmem_region,
11791 			dev_info.port_hw_config[params->port].media_type);
11792 		media_types = REG_RD(bp, sync_offset);
11793 
11794 		/* Update media type for non-PMF sync only for the first time
11795 		 * In case the media type changes afterwards, it will be updated
11796 		 * using the update_status function
11797 		 */
11798 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
11799 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11800 				     actual_phy_idx))) == 0) {
11801 			media_types |= ((phy->media_type &
11802 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
11803 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
11804 				 actual_phy_idx));
11805 		}
11806 		REG_WR(bp, sync_offset, media_types);
11807 
11808 		bnx2x_phy_def_cfg(params, phy, phy_index);
11809 		params->num_phys++;
11810 	}
11811 
11812 	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
11813 	return 0;
11814 }
11815 
11816 void bnx2x_init_bmac_loopback(struct link_params *params,
11817 			      struct link_vars *vars)
11818 {
11819 	struct bnx2x *bp = params->bp;
11820 		vars->link_up = 1;
11821 		vars->line_speed = SPEED_10000;
11822 		vars->duplex = DUPLEX_FULL;
11823 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11824 		vars->mac_type = MAC_TYPE_BMAC;
11825 
11826 		vars->phy_flags = PHY_XGXS_FLAG;
11827 
11828 		bnx2x_xgxs_deassert(params);
11829 
11830 		/* set bmac loopback */
11831 		bnx2x_bmac_enable(params, vars, 1);
11832 
11833 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11834 }
11835 
11836 void bnx2x_init_emac_loopback(struct link_params *params,
11837 			      struct link_vars *vars)
11838 {
11839 	struct bnx2x *bp = params->bp;
11840 		vars->link_up = 1;
11841 		vars->line_speed = SPEED_1000;
11842 		vars->duplex = DUPLEX_FULL;
11843 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11844 		vars->mac_type = MAC_TYPE_EMAC;
11845 
11846 		vars->phy_flags = PHY_XGXS_FLAG;
11847 
11848 		bnx2x_xgxs_deassert(params);
11849 		/* set bmac loopback */
11850 		bnx2x_emac_enable(params, vars, 1);
11851 		bnx2x_emac_program(params, vars);
11852 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11853 }
11854 
11855 void bnx2x_init_xmac_loopback(struct link_params *params,
11856 			      struct link_vars *vars)
11857 {
11858 	struct bnx2x *bp = params->bp;
11859 	vars->link_up = 1;
11860 	if (!params->req_line_speed[0])
11861 		vars->line_speed = SPEED_10000;
11862 	else
11863 		vars->line_speed = params->req_line_speed[0];
11864 	vars->duplex = DUPLEX_FULL;
11865 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11866 	vars->mac_type = MAC_TYPE_XMAC;
11867 	vars->phy_flags = PHY_XGXS_FLAG;
11868 	/* Set WC to loopback mode since link is required to provide clock
11869 	 * to the XMAC in 20G mode
11870 	 */
11871 	bnx2x_set_aer_mmd(params, &params->phy[0]);
11872 	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
11873 	params->phy[INT_PHY].config_loopback(
11874 			&params->phy[INT_PHY],
11875 			params);
11876 
11877 	bnx2x_xmac_enable(params, vars, 1);
11878 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11879 }
11880 
11881 void bnx2x_init_umac_loopback(struct link_params *params,
11882 			      struct link_vars *vars)
11883 {
11884 	struct bnx2x *bp = params->bp;
11885 	vars->link_up = 1;
11886 	vars->line_speed = SPEED_1000;
11887 	vars->duplex = DUPLEX_FULL;
11888 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11889 	vars->mac_type = MAC_TYPE_UMAC;
11890 	vars->phy_flags = PHY_XGXS_FLAG;
11891 	bnx2x_umac_enable(params, vars, 1);
11892 
11893 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11894 }
11895 
11896 void bnx2x_init_xgxs_loopback(struct link_params *params,
11897 			      struct link_vars *vars)
11898 {
11899 	struct bnx2x *bp = params->bp;
11900 		vars->link_up = 1;
11901 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11902 		vars->duplex = DUPLEX_FULL;
11903 	if (params->req_line_speed[0] == SPEED_1000)
11904 			vars->line_speed = SPEED_1000;
11905 	else
11906 			vars->line_speed = SPEED_10000;
11907 
11908 	if (!USES_WARPCORE(bp))
11909 		bnx2x_xgxs_deassert(params);
11910 	bnx2x_link_initialize(params, vars);
11911 
11912 	if (params->req_line_speed[0] == SPEED_1000) {
11913 		if (USES_WARPCORE(bp))
11914 			bnx2x_umac_enable(params, vars, 0);
11915 		else {
11916 			bnx2x_emac_program(params, vars);
11917 			bnx2x_emac_enable(params, vars, 0);
11918 		}
11919 	} else {
11920 		if (USES_WARPCORE(bp))
11921 			bnx2x_xmac_enable(params, vars, 0);
11922 		else
11923 			bnx2x_bmac_enable(params, vars, 0);
11924 	}
11925 
11926 		if (params->loopback_mode == LOOPBACK_XGXS) {
11927 			/* set 10G XGXS loopback */
11928 			params->phy[INT_PHY].config_loopback(
11929 				&params->phy[INT_PHY],
11930 				params);
11931 
11932 		} else {
11933 			/* set external phy loopback */
11934 			u8 phy_index;
11935 			for (phy_index = EXT_PHY1;
11936 			      phy_index < params->num_phys; phy_index++) {
11937 				if (params->phy[phy_index].config_loopback)
11938 					params->phy[phy_index].config_loopback(
11939 						&params->phy[phy_index],
11940 						params);
11941 			}
11942 		}
11943 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11944 
11945 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
11946 }
11947 
11948 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
11949 {
11950 	struct bnx2x *bp = params->bp;
11951 	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
11952 	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
11953 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
11954 	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
11955 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
11956 	vars->link_status = 0;
11957 	vars->phy_link_up = 0;
11958 	vars->link_up = 0;
11959 	vars->line_speed = 0;
11960 	vars->duplex = DUPLEX_FULL;
11961 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
11962 	vars->mac_type = MAC_TYPE_NONE;
11963 	vars->phy_flags = 0;
11964 
11965 	/* disable attentions */
11966 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
11967 		       (NIG_MASK_XGXS0_LINK_STATUS |
11968 			NIG_MASK_XGXS0_LINK10G |
11969 			NIG_MASK_SERDES0_LINK_STATUS |
11970 			NIG_MASK_MI_INT));
11971 
11972 	bnx2x_emac_init(params, vars);
11973 
11974 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
11975 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
11976 
11977 	if (params->num_phys == 0) {
11978 		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
11979 		return -EINVAL;
11980 	}
11981 	set_phy_vars(params, vars);
11982 
11983 	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
11984 	switch (params->loopback_mode) {
11985 	case LOOPBACK_BMAC:
11986 		bnx2x_init_bmac_loopback(params, vars);
11987 		break;
11988 	case LOOPBACK_EMAC:
11989 		bnx2x_init_emac_loopback(params, vars);
11990 		break;
11991 	case LOOPBACK_XMAC:
11992 		bnx2x_init_xmac_loopback(params, vars);
11993 		break;
11994 	case LOOPBACK_UMAC:
11995 		bnx2x_init_umac_loopback(params, vars);
11996 		break;
11997 	case LOOPBACK_XGXS:
11998 	case LOOPBACK_EXT_PHY:
11999 		bnx2x_init_xgxs_loopback(params, vars);
12000 		break;
12001 	default:
12002 		if (!CHIP_IS_E3(bp)) {
12003 			if (params->switch_cfg == SWITCH_CFG_10G)
12004 				bnx2x_xgxs_deassert(params);
12005 			else
12006 				bnx2x_serdes_deassert(bp, params->port);
12007 		}
12008 		bnx2x_link_initialize(params, vars);
12009 		msleep(30);
12010 		bnx2x_link_int_enable(params);
12011 		break;
12012 	}
12013 	bnx2x_update_mng(params, vars->link_status);
12014 	return 0;
12015 }
12016 
12017 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12018 		     u8 reset_ext_phy)
12019 {
12020 	struct bnx2x *bp = params->bp;
12021 	u8 phy_index, port = params->port, clear_latch_ind = 0;
12022 	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12023 	/* disable attentions */
12024 	vars->link_status = 0;
12025 	bnx2x_update_mng(params, vars->link_status);
12026 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12027 		       (NIG_MASK_XGXS0_LINK_STATUS |
12028 			NIG_MASK_XGXS0_LINK10G |
12029 			NIG_MASK_SERDES0_LINK_STATUS |
12030 			NIG_MASK_MI_INT));
12031 
12032 	/* activate nig drain */
12033 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12034 
12035 	/* disable nig egress interface */
12036 	if (!CHIP_IS_E3(bp)) {
12037 		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12038 		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12039 	}
12040 
12041 	/* Stop BigMac rx */
12042 	if (!CHIP_IS_E3(bp))
12043 		bnx2x_bmac_rx_disable(bp, port);
12044 	else {
12045 		bnx2x_xmac_disable(params);
12046 		bnx2x_umac_disable(params);
12047 	}
12048 	/* disable emac */
12049 	if (!CHIP_IS_E3(bp))
12050 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12051 
12052 	msleep(10);
12053 	/* The PHY reset is controlled by GPIO 1
12054 	 * Hold it as vars low
12055 	 */
12056 	 /* clear link led */
12057 	bnx2x_set_mdio_clk(bp, params->chip_id, port);
12058 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12059 
12060 	if (reset_ext_phy) {
12061 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12062 		      phy_index++) {
12063 			if (params->phy[phy_index].link_reset) {
12064 				bnx2x_set_aer_mmd(params,
12065 						  &params->phy[phy_index]);
12066 				params->phy[phy_index].link_reset(
12067 					&params->phy[phy_index],
12068 					params);
12069 			}
12070 			if (params->phy[phy_index].flags &
12071 			    FLAGS_REARM_LATCH_SIGNAL)
12072 				clear_latch_ind = 1;
12073 		}
12074 	}
12075 
12076 	if (clear_latch_ind) {
12077 		/* Clear latching indication */
12078 		bnx2x_rearm_latch_signal(bp, port, 0);
12079 		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12080 			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
12081 	}
12082 	if (params->phy[INT_PHY].link_reset)
12083 		params->phy[INT_PHY].link_reset(
12084 			&params->phy[INT_PHY], params);
12085 
12086 	/* disable nig ingress interface */
12087 	if (!CHIP_IS_E3(bp)) {
12088 		/* reset BigMac */
12089 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12090 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12091 		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12092 		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12093 	} else {
12094 		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12095 		bnx2x_set_xumac_nig(params, 0, 0);
12096 		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12097 		    MISC_REGISTERS_RESET_REG_2_XMAC)
12098 			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12099 			       XMAC_CTRL_REG_SOFT_RESET);
12100 	}
12101 	vars->link_up = 0;
12102 	vars->phy_flags = 0;
12103 	return 0;
12104 }
12105 
12106 /****************************************************************************/
12107 /*				Common function				    */
12108 /****************************************************************************/
12109 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12110 				      u32 shmem_base_path[],
12111 				      u32 shmem2_base_path[], u8 phy_index,
12112 				      u32 chip_id)
12113 {
12114 	struct bnx2x_phy phy[PORT_MAX];
12115 	struct bnx2x_phy *phy_blk[PORT_MAX];
12116 	u16 val;
12117 	s8 port = 0;
12118 	s8 port_of_path = 0;
12119 	u32 swap_val, swap_override;
12120 	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
12121 	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
12122 	port ^= (swap_val && swap_override);
12123 	bnx2x_ext_phy_hw_reset(bp, port);
12124 	/* PART1 - Reset both phys */
12125 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12126 		u32 shmem_base, shmem2_base;
12127 		/* In E2, same phy is using for port0 of the two paths */
12128 		if (CHIP_IS_E1x(bp)) {
12129 			shmem_base = shmem_base_path[0];
12130 			shmem2_base = shmem2_base_path[0];
12131 			port_of_path = port;
12132 		} else {
12133 			shmem_base = shmem_base_path[port];
12134 			shmem2_base = shmem2_base_path[port];
12135 			port_of_path = 0;
12136 		}
12137 
12138 		/* Extract the ext phy address for the port */
12139 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12140 				       port_of_path, &phy[port]) !=
12141 		    0) {
12142 			DP(NETIF_MSG_LINK, "populate_phy failed\n");
12143 			return -EINVAL;
12144 		}
12145 		/* disable attentions */
12146 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12147 			       port_of_path*4,
12148 			       (NIG_MASK_XGXS0_LINK_STATUS |
12149 				NIG_MASK_XGXS0_LINK10G |
12150 				NIG_MASK_SERDES0_LINK_STATUS |
12151 				NIG_MASK_MI_INT));
12152 
12153 		/* Need to take the phy out of low power mode in order
12154 		 * to write to access its registers
12155 		 */
12156 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12157 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12158 			       port);
12159 
12160 		/* Reset the phy */
12161 		bnx2x_cl45_write(bp, &phy[port],
12162 				 MDIO_PMA_DEVAD,
12163 				 MDIO_PMA_REG_CTRL,
12164 				 1<<15);
12165 	}
12166 
12167 	/* Add delay of 150ms after reset */
12168 	msleep(150);
12169 
12170 	if (phy[PORT_0].addr & 0x1) {
12171 		phy_blk[PORT_0] = &(phy[PORT_1]);
12172 		phy_blk[PORT_1] = &(phy[PORT_0]);
12173 	} else {
12174 		phy_blk[PORT_0] = &(phy[PORT_0]);
12175 		phy_blk[PORT_1] = &(phy[PORT_1]);
12176 	}
12177 
12178 	/* PART2 - Download firmware to both phys */
12179 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12180 		if (CHIP_IS_E1x(bp))
12181 			port_of_path = port;
12182 		else
12183 			port_of_path = 0;
12184 
12185 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12186 			   phy_blk[port]->addr);
12187 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12188 						      port_of_path))
12189 			return -EINVAL;
12190 
12191 		/* Only set bit 10 = 1 (Tx power down) */
12192 		bnx2x_cl45_read(bp, phy_blk[port],
12193 				MDIO_PMA_DEVAD,
12194 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12195 
12196 		/* Phase1 of TX_POWER_DOWN reset */
12197 		bnx2x_cl45_write(bp, phy_blk[port],
12198 				 MDIO_PMA_DEVAD,
12199 				 MDIO_PMA_REG_TX_POWER_DOWN,
12200 				 (val | 1<<10));
12201 	}
12202 
12203 	/* Toggle Transmitter: Power down and then up with 600ms delay
12204 	 * between
12205 	 */
12206 	msleep(600);
12207 
12208 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12209 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12210 		/* Phase2 of POWER_DOWN_RESET */
12211 		/* Release bit 10 (Release Tx power down) */
12212 		bnx2x_cl45_read(bp, phy_blk[port],
12213 				MDIO_PMA_DEVAD,
12214 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12215 
12216 		bnx2x_cl45_write(bp, phy_blk[port],
12217 				MDIO_PMA_DEVAD,
12218 				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12219 		msleep(15);
12220 
12221 		/* Read modify write the SPI-ROM version select register */
12222 		bnx2x_cl45_read(bp, phy_blk[port],
12223 				MDIO_PMA_DEVAD,
12224 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12225 		bnx2x_cl45_write(bp, phy_blk[port],
12226 				 MDIO_PMA_DEVAD,
12227 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12228 
12229 		/* set GPIO2 back to LOW */
12230 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12231 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12232 	}
12233 	return 0;
12234 }
12235 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12236 				      u32 shmem_base_path[],
12237 				      u32 shmem2_base_path[], u8 phy_index,
12238 				      u32 chip_id)
12239 {
12240 	u32 val;
12241 	s8 port;
12242 	struct bnx2x_phy phy;
12243 	/* Use port1 because of the static port-swap */
12244 	/* Enable the module detection interrupt */
12245 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12246 	val |= ((1<<MISC_REGISTERS_GPIO_3)|
12247 		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12248 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12249 
12250 	bnx2x_ext_phy_hw_reset(bp, 0);
12251 	msleep(5);
12252 	for (port = 0; port < PORT_MAX; port++) {
12253 		u32 shmem_base, shmem2_base;
12254 
12255 		/* In E2, same phy is using for port0 of the two paths */
12256 		if (CHIP_IS_E1x(bp)) {
12257 			shmem_base = shmem_base_path[0];
12258 			shmem2_base = shmem2_base_path[0];
12259 		} else {
12260 			shmem_base = shmem_base_path[port];
12261 			shmem2_base = shmem2_base_path[port];
12262 		}
12263 		/* Extract the ext phy address for the port */
12264 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12265 				       port, &phy) !=
12266 		    0) {
12267 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12268 			return -EINVAL;
12269 		}
12270 
12271 		/* Reset phy*/
12272 		bnx2x_cl45_write(bp, &phy,
12273 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12274 
12275 
12276 		/* Set fault module detected LED on */
12277 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
12278 			       MISC_REGISTERS_GPIO_HIGH,
12279 			       port);
12280 	}
12281 
12282 	return 0;
12283 }
12284 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12285 					 u8 *io_gpio, u8 *io_port)
12286 {
12287 
12288 	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12289 					  offsetof(struct shmem_region,
12290 				dev_info.port_hw_config[PORT_0].default_cfg));
12291 	switch (phy_gpio_reset) {
12292 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12293 		*io_gpio = 0;
12294 		*io_port = 0;
12295 		break;
12296 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12297 		*io_gpio = 1;
12298 		*io_port = 0;
12299 		break;
12300 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12301 		*io_gpio = 2;
12302 		*io_port = 0;
12303 		break;
12304 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12305 		*io_gpio = 3;
12306 		*io_port = 0;
12307 		break;
12308 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12309 		*io_gpio = 0;
12310 		*io_port = 1;
12311 		break;
12312 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12313 		*io_gpio = 1;
12314 		*io_port = 1;
12315 		break;
12316 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12317 		*io_gpio = 2;
12318 		*io_port = 1;
12319 		break;
12320 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12321 		*io_gpio = 3;
12322 		*io_port = 1;
12323 		break;
12324 	default:
12325 		/* Don't override the io_gpio and io_port */
12326 		break;
12327 	}
12328 }
12329 
12330 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12331 				      u32 shmem_base_path[],
12332 				      u32 shmem2_base_path[], u8 phy_index,
12333 				      u32 chip_id)
12334 {
12335 	s8 port, reset_gpio;
12336 	u32 swap_val, swap_override;
12337 	struct bnx2x_phy phy[PORT_MAX];
12338 	struct bnx2x_phy *phy_blk[PORT_MAX];
12339 	s8 port_of_path;
12340 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12341 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12342 
12343 	reset_gpio = MISC_REGISTERS_GPIO_1;
12344 	port = 1;
12345 
12346 	/* Retrieve the reset gpio/port which control the reset.
12347 	 * Default is GPIO1, PORT1
12348 	 */
12349 	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12350 				     (u8 *)&reset_gpio, (u8 *)&port);
12351 
12352 	/* Calculate the port based on port swap */
12353 	port ^= (swap_val && swap_override);
12354 
12355 	/* Initiate PHY reset*/
12356 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12357 		       port);
12358 	msleep(1);
12359 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12360 		       port);
12361 
12362 	msleep(5);
12363 
12364 	/* PART1 - Reset both phys */
12365 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12366 		u32 shmem_base, shmem2_base;
12367 
12368 		/* In E2, same phy is using for port0 of the two paths */
12369 		if (CHIP_IS_E1x(bp)) {
12370 			shmem_base = shmem_base_path[0];
12371 			shmem2_base = shmem2_base_path[0];
12372 			port_of_path = port;
12373 		} else {
12374 			shmem_base = shmem_base_path[port];
12375 			shmem2_base = shmem2_base_path[port];
12376 			port_of_path = 0;
12377 		}
12378 
12379 		/* Extract the ext phy address for the port */
12380 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12381 				       port_of_path, &phy[port]) !=
12382 				       0) {
12383 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12384 			return -EINVAL;
12385 		}
12386 		/* disable attentions */
12387 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12388 			       port_of_path*4,
12389 			       (NIG_MASK_XGXS0_LINK_STATUS |
12390 				NIG_MASK_XGXS0_LINK10G |
12391 				NIG_MASK_SERDES0_LINK_STATUS |
12392 				NIG_MASK_MI_INT));
12393 
12394 
12395 		/* Reset the phy */
12396 		bnx2x_cl45_write(bp, &phy[port],
12397 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
12398 	}
12399 
12400 	/* Add delay of 150ms after reset */
12401 	msleep(150);
12402 	if (phy[PORT_0].addr & 0x1) {
12403 		phy_blk[PORT_0] = &(phy[PORT_1]);
12404 		phy_blk[PORT_1] = &(phy[PORT_0]);
12405 	} else {
12406 		phy_blk[PORT_0] = &(phy[PORT_0]);
12407 		phy_blk[PORT_1] = &(phy[PORT_1]);
12408 	}
12409 	/* PART2 - Download firmware to both phys */
12410 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12411 		if (CHIP_IS_E1x(bp))
12412 			port_of_path = port;
12413 		else
12414 			port_of_path = 0;
12415 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12416 			   phy_blk[port]->addr);
12417 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12418 						      port_of_path))
12419 			return -EINVAL;
12420 		/* Disable PHY transmitter output */
12421 		bnx2x_cl45_write(bp, phy_blk[port],
12422 				 MDIO_PMA_DEVAD,
12423 				 MDIO_PMA_REG_TX_DISABLE, 1);
12424 
12425 	}
12426 	return 0;
12427 }
12428 
12429 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12430 						u32 shmem_base_path[],
12431 						u32 shmem2_base_path[],
12432 						u8 phy_index,
12433 						u32 chip_id)
12434 {
12435 	u8 reset_gpios;
12436 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12437 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12438 	udelay(10);
12439 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12440 	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12441 		reset_gpios);
12442 	return 0;
12443 }
12444 
12445 static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12446 					       struct bnx2x_phy *phy)
12447 {
12448 	u16 val, cnt;
12449 	/* Wait for FW completing its initialization. */
12450 	for (cnt = 0; cnt < 1500; cnt++) {
12451 		bnx2x_cl45_read(bp, phy,
12452 				MDIO_PMA_DEVAD,
12453 				MDIO_PMA_REG_CTRL, &val);
12454 		if (!(val & (1<<15)))
12455 			break;
12456 		msleep(1);
12457 	}
12458 	if (cnt >= 1500) {
12459 		DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12460 		return -EINVAL;
12461 	}
12462 
12463 	/* Put the port in super isolate mode. */
12464 	bnx2x_cl45_read(bp, phy,
12465 			MDIO_CTL_DEVAD,
12466 			MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12467 	val |= MDIO_84833_SUPER_ISOLATE;
12468 	bnx2x_cl45_write(bp, phy,
12469 			 MDIO_CTL_DEVAD,
12470 			 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12471 
12472 	/* Save spirom version */
12473 	bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12474 	return 0;
12475 }
12476 
12477 int bnx2x_pre_init_phy(struct bnx2x *bp,
12478 				  u32 shmem_base,
12479 				  u32 shmem2_base,
12480 				  u32 chip_id)
12481 {
12482 	int rc = 0;
12483 	struct bnx2x_phy phy;
12484 	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12485 	if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12486 			       PORT_0, &phy)) {
12487 		DP(NETIF_MSG_LINK, "populate_phy failed\n");
12488 		return -EINVAL;
12489 	}
12490 	switch (phy.type) {
12491 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12492 		rc = bnx2x_84833_pre_init_phy(bp, &phy);
12493 		break;
12494 	default:
12495 		break;
12496 	}
12497 	return rc;
12498 }
12499 
12500 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12501 				     u32 shmem2_base_path[], u8 phy_index,
12502 				     u32 ext_phy_type, u32 chip_id)
12503 {
12504 	int rc = 0;
12505 
12506 	switch (ext_phy_type) {
12507 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12508 		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12509 						shmem2_base_path,
12510 						phy_index, chip_id);
12511 		break;
12512 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12513 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12514 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12515 		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12516 						shmem2_base_path,
12517 						phy_index, chip_id);
12518 		break;
12519 
12520 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12521 		/* GPIO1 affects both ports, so there's need to pull
12522 		 * it for single port alone
12523 		 */
12524 		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12525 						shmem2_base_path,
12526 						phy_index, chip_id);
12527 		break;
12528 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12529 		/* GPIO3's are linked, and so both need to be toggled
12530 		 * to obtain required 2us pulse.
12531 		 */
12532 		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12533 						shmem2_base_path,
12534 						phy_index, chip_id);
12535 		break;
12536 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12537 		rc = -EINVAL;
12538 		break;
12539 	default:
12540 		DP(NETIF_MSG_LINK,
12541 			   "ext_phy 0x%x common init not required\n",
12542 			   ext_phy_type);
12543 		break;
12544 	}
12545 
12546 	if (rc != 0)
12547 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
12548 				      " Port %d\n",
12549 			 0);
12550 	return rc;
12551 }
12552 
12553 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12554 			  u32 shmem2_base_path[], u32 chip_id)
12555 {
12556 	int rc = 0;
12557 	u32 phy_ver, val;
12558 	u8 phy_index = 0;
12559 	u32 ext_phy_type, ext_phy_config;
12560 	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12561 	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
12562 	DP(NETIF_MSG_LINK, "Begin common phy init\n");
12563 	if (CHIP_IS_E3(bp)) {
12564 		/* Enable EPIO */
12565 		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12566 		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12567 	}
12568 	/* Check if common init was already done */
12569 	phy_ver = REG_RD(bp, shmem_base_path[0] +
12570 			 offsetof(struct shmem_region,
12571 				  port_mb[PORT_0].ext_phy_fw_version));
12572 	if (phy_ver) {
12573 		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12574 			       phy_ver);
12575 		return 0;
12576 	}
12577 
12578 	/* Read the ext_phy_type for arbitrary port(0) */
12579 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12580 	      phy_index++) {
12581 		ext_phy_config = bnx2x_get_ext_phy_config(bp,
12582 							  shmem_base_path[0],
12583 							  phy_index, 0);
12584 		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12585 		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12586 						shmem2_base_path,
12587 						phy_index, ext_phy_type,
12588 						chip_id);
12589 	}
12590 	return rc;
12591 }
12592 
12593 static void bnx2x_check_over_curr(struct link_params *params,
12594 				  struct link_vars *vars)
12595 {
12596 	struct bnx2x *bp = params->bp;
12597 	u32 cfg_pin;
12598 	u8 port = params->port;
12599 	u32 pin_val;
12600 
12601 	cfg_pin = (REG_RD(bp, params->shmem_base +
12602 			  offsetof(struct shmem_region,
12603 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12604 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12605 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12606 
12607 	/* Ignore check if no external input PIN available */
12608 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12609 		return;
12610 
12611 	if (!pin_val) {
12612 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12613 			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
12614 					    " been detected and the power to "
12615 					    "that SFP+ module has been removed"
12616 					    " to prevent failure of the card."
12617 					    " Please remove the SFP+ module and"
12618 					    " restart the system to clear this"
12619 					    " error.\n",
12620 			 params->port);
12621 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12622 		}
12623 	} else
12624 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12625 }
12626 
12627 static void bnx2x_analyze_link_error(struct link_params *params,
12628 				     struct link_vars *vars, u32 lss_status,
12629 				     u8 notify)
12630 {
12631 	struct bnx2x *bp = params->bp;
12632 	/* Compare new value with previous value */
12633 	u8 led_mode;
12634 	u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
12635 
12636 	if ((lss_status ^ half_open_conn) == 0)
12637 		return;
12638 
12639 	/* If values differ */
12640 	DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
12641 		       half_open_conn, lss_status);
12642 
12643 	/* a. Update shmem->link_status accordingly
12644 	 * b. Update link_vars->link_up
12645 	 */
12646 	if (lss_status) {
12647 		DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
12648 		vars->link_status &= ~LINK_STATUS_LINK_UP;
12649 		vars->link_up = 0;
12650 		vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
12651 
12652 		/* activate nig drain */
12653 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12654 		/* Set LED mode to off since the PHY doesn't know about these
12655 		 * errors
12656 		 */
12657 		led_mode = LED_MODE_OFF;
12658 	} else {
12659 		DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
12660 		vars->link_status |= LINK_STATUS_LINK_UP;
12661 		vars->link_up = 1;
12662 		vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
12663 		led_mode = LED_MODE_OPER;
12664 
12665 		/* Clear nig drain */
12666 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12667 	}
12668 	bnx2x_sync_link(params, vars);
12669 	/* Update the LED according to the link state */
12670 	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
12671 
12672 	/* Update link status in the shared memory */
12673 	bnx2x_update_mng(params, vars->link_status);
12674 
12675 	/* C. Trigger General Attention */
12676 	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
12677 	if (notify)
12678 		bnx2x_notify_link_changed(bp);
12679 }
12680 
12681 /******************************************************************************
12682 * Description:
12683 *	This function checks for half opened connection change indication.
12684 *	When such change occurs, it calls the bnx2x_analyze_link_error
12685 *	to check if Remote Fault is set or cleared. Reception of remote fault
12686 *	status message in the MAC indicates that the peer's MAC has detected
12687 *	a fault, for example, due to break in the TX side of fiber.
12688 *
12689 ******************************************************************************/
12690 int bnx2x_check_half_open_conn(struct link_params *params,
12691 				struct link_vars *vars,
12692 				u8 notify)
12693 {
12694 	struct bnx2x *bp = params->bp;
12695 	u32 lss_status = 0;
12696 	u32 mac_base;
12697 	/* In case link status is physically up @ 10G do */
12698 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
12699 	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
12700 		return 0;
12701 
12702 	if (CHIP_IS_E3(bp) &&
12703 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
12704 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
12705 		/* Check E3 XMAC */
12706 		/* Note that link speed cannot be queried here, since it may be
12707 		 * zero while link is down. In case UMAC is active, LSS will
12708 		 * simply not be set
12709 		 */
12710 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12711 
12712 		/* Clear stick bits (Requires rising edge) */
12713 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
12714 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
12715 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
12716 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
12717 		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
12718 			lss_status = 1;
12719 
12720 		bnx2x_analyze_link_error(params, vars, lss_status, notify);
12721 	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12722 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
12723 		/* Check E1X / E2 BMAC */
12724 		u32 lss_status_reg;
12725 		u32 wb_data[2];
12726 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
12727 			NIG_REG_INGRESS_BMAC0_MEM;
12728 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
12729 		if (CHIP_IS_E2(bp))
12730 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
12731 		else
12732 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
12733 
12734 		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
12735 		lss_status = (wb_data[0] > 0);
12736 
12737 		bnx2x_analyze_link_error(params, vars, lss_status, notify);
12738 	}
12739 	return 0;
12740 }
12741 
12742 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
12743 {
12744 	u16 phy_idx;
12745 	struct bnx2x *bp = params->bp;
12746 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
12747 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
12748 			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
12749 			if (bnx2x_check_half_open_conn(params, vars, 1) !=
12750 			    0)
12751 				DP(NETIF_MSG_LINK, "Fault detection failed\n");
12752 			break;
12753 		}
12754 	}
12755 
12756 	if (CHIP_IS_E3(bp)) {
12757 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
12758 		bnx2x_set_aer_mmd(params, phy);
12759 		bnx2x_check_over_curr(params, vars);
12760 		bnx2x_warpcore_config_runtime(phy, params, vars);
12761 	}
12762 
12763 }
12764 
12765 u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
12766 {
12767 	u8 phy_index;
12768 	struct bnx2x_phy phy;
12769 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12770 	      phy_index++) {
12771 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12772 				       0, &phy) != 0) {
12773 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12774 			return 0;
12775 		}
12776 
12777 		if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
12778 			return 1;
12779 	}
12780 	return 0;
12781 }
12782 
12783 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
12784 			     u32 shmem_base,
12785 			     u32 shmem2_base,
12786 			     u8 port)
12787 {
12788 	u8 phy_index, fan_failure_det_req = 0;
12789 	struct bnx2x_phy phy;
12790 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12791 	      phy_index++) {
12792 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12793 				       port, &phy)
12794 		    != 0) {
12795 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12796 			return 0;
12797 		}
12798 		fan_failure_det_req |= (phy.flags &
12799 					FLAGS_FAN_FAILURE_DET_REQ);
12800 	}
12801 	return fan_failure_det_req;
12802 }
12803 
12804 void bnx2x_hw_reset_phy(struct link_params *params)
12805 {
12806 	u8 phy_index;
12807 	struct bnx2x *bp = params->bp;
12808 	bnx2x_update_mng(params, 0);
12809 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12810 		       (NIG_MASK_XGXS0_LINK_STATUS |
12811 			NIG_MASK_XGXS0_LINK10G |
12812 			NIG_MASK_SERDES0_LINK_STATUS |
12813 			NIG_MASK_MI_INT));
12814 
12815 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12816 	      phy_index++) {
12817 		if (params->phy[phy_index].hw_reset) {
12818 			params->phy[phy_index].hw_reset(
12819 				&params->phy[phy_index],
12820 				params);
12821 			params->phy[phy_index] = phy_null;
12822 		}
12823 	}
12824 }
12825 
12826 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
12827 			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
12828 			    u8 port)
12829 {
12830 	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
12831 	u32 val;
12832 	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
12833 	if (CHIP_IS_E3(bp)) {
12834 		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
12835 					      shmem_base,
12836 					      port,
12837 					      &gpio_num,
12838 					      &gpio_port) != 0)
12839 			return;
12840 	} else {
12841 		struct bnx2x_phy phy;
12842 		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12843 		      phy_index++) {
12844 			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
12845 					       shmem2_base, port, &phy)
12846 			    != 0) {
12847 				DP(NETIF_MSG_LINK, "populate phy failed\n");
12848 				return;
12849 			}
12850 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
12851 				gpio_num = MISC_REGISTERS_GPIO_3;
12852 				gpio_port = port;
12853 				break;
12854 			}
12855 		}
12856 	}
12857 
12858 	if (gpio_num == 0xff)
12859 		return;
12860 
12861 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
12862 	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
12863 
12864 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12865 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12866 	gpio_port ^= (swap_val && swap_override);
12867 
12868 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
12869 		(gpio_num + (gpio_port << 2));
12870 
12871 	sync_offset = shmem_base +
12872 		offsetof(struct shmem_region,
12873 			 dev_info.port_hw_config[port].aeu_int_mask);
12874 	REG_WR(bp, sync_offset, vars->aeu_int_mask);
12875 
12876 	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
12877 		       gpio_num, gpio_port, vars->aeu_int_mask);
12878 
12879 	if (port == 0)
12880 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
12881 	else
12882 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
12883 
12884 	/* Open appropriate AEU for interrupts */
12885 	aeu_mask = REG_RD(bp, offset);
12886 	aeu_mask |= vars->aeu_int_mask;
12887 	REG_WR(bp, offset, aeu_mask);
12888 
12889 	/* Enable the GPIO to trigger interrupt */
12890 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12891 	val |= 1 << (gpio_num + (gpio_port << 2));
12892 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12893 }
12894