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 I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
44 #define MCPR_IMC_COMMAND_READ_OP	1
45 #define MCPR_IMC_COMMAND_WRITE_OP	2
46 
47 /* LED Blink rate that will achieve ~15.9Hz */
48 #define LED_BLINK_RATE_VAL_E3		354
49 #define LED_BLINK_RATE_VAL_E1X_E2	480
50 /***********************************************************/
51 /*			Shortcut definitions		   */
52 /***********************************************************/
53 
54 #define NIG_LATCH_BC_ENABLE_MI_INT 0
55 
56 #define NIG_STATUS_EMAC0_MI_INT \
57 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
58 #define NIG_STATUS_XGXS0_LINK10G \
59 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
60 #define NIG_STATUS_XGXS0_LINK_STATUS \
61 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
62 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
63 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
64 #define NIG_STATUS_SERDES0_LINK_STATUS \
65 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
66 #define NIG_MASK_MI_INT \
67 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
68 #define NIG_MASK_XGXS0_LINK10G \
69 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
70 #define NIG_MASK_XGXS0_LINK_STATUS \
71 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
72 #define NIG_MASK_SERDES0_LINK_STATUS \
73 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
74 
75 #define MDIO_AN_CL73_OR_37_COMPLETE \
76 		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
77 		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
78 
79 #define XGXS_RESET_BITS \
80 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
81 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
82 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
83 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
84 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
85 
86 #define SERDES_RESET_BITS \
87 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
88 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
89 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
90 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
91 
92 #define AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
93 #define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
94 #define AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
95 #define AUTONEG_PARALLEL \
96 				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
97 #define AUTONEG_SGMII_FIBER_AUTODET \
98 				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
99 #define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
100 
101 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
102 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
103 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
104 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
105 #define GP_STATUS_SPEED_MASK \
106 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
107 #define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
108 #define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
109 #define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
110 #define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
111 #define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
112 #define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
113 #define GP_STATUS_10G_HIG \
114 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
115 #define GP_STATUS_10G_CX4 \
116 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
117 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
118 #define GP_STATUS_10G_KX4 \
119 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
120 #define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
121 #define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
122 #define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
123 #define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
124 #define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
125 #define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
126 #define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
127 #define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
128 #define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
129 #define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
130 #define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
131 #define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
132 #define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
133 #define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
134 #define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
135 #define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
136 #define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
137 #define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
138 #define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
139 
140 
141 
142 #define SFP_EEPROM_CON_TYPE_ADDR		0x2
143 	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
144 	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
145 
146 
147 #define SFP_EEPROM_COMP_CODE_ADDR		0x3
148 	#define SFP_EEPROM_COMP_CODE_SR_MASK	(1<<4)
149 	#define SFP_EEPROM_COMP_CODE_LR_MASK	(1<<5)
150 	#define SFP_EEPROM_COMP_CODE_LRM_MASK	(1<<6)
151 
152 #define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
153 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
154 	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
155 
156 #define SFP_EEPROM_OPTIONS_ADDR			0x40
157 	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
158 #define SFP_EEPROM_OPTIONS_SIZE			2
159 
160 #define EDC_MODE_LINEAR				0x0022
161 #define EDC_MODE_LIMITING				0x0044
162 #define EDC_MODE_PASSIVE_DAC			0x0055
163 
164 /* BRB default for class 0 E2 */
165 #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR	170
166 #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR		250
167 #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR		10
168 #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR		50
169 
170 /* BRB thresholds for E2*/
171 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE		170
172 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE		0
173 
174 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE		250
175 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE		0
176 
177 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE		10
178 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE		90
179 
180 #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE			50
181 #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE		250
182 
183 /* BRB default for class 0 E3A0 */
184 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR	290
185 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR	410
186 #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR	10
187 #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR	50
188 
189 /* BRB thresholds for E3A0 */
190 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE		290
191 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE		0
192 
193 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE		410
194 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE		0
195 
196 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE		10
197 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE		170
198 
199 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE		50
200 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE		410
201 
202 /* BRB default for E3B0 */
203 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR	330
204 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR	490
205 #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR	15
206 #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR	55
207 
208 /* BRB thresholds for E3B0 2 port mode*/
209 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE		1025
210 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE	0
211 
212 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE		1025
213 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE	0
214 
215 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE		10
216 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE	1025
217 
218 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE		50
219 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE	1025
220 
221 /* only for E3B0*/
222 #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR			1025
223 #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR			1025
224 
225 /* Lossy +Lossless GUARANTIED == GUART */
226 #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART			284
227 /* Lossless +Lossless*/
228 #define PFC_E3B0_2P_PAUSE_LB_GUART			236
229 /* Lossy +Lossy*/
230 #define PFC_E3B0_2P_NON_PAUSE_LB_GUART			342
231 
232 /* Lossy +Lossless*/
233 #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART		284
234 /* Lossless +Lossless*/
235 #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART		236
236 /* Lossy +Lossy*/
237 #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART		336
238 #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST		80
239 
240 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART		0
241 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST		0
242 
243 /* BRB thresholds for E3B0 4 port mode */
244 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE		304
245 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE	0
246 
247 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE		384
248 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE	0
249 
250 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE		10
251 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE	304
252 
253 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE		50
254 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE	384
255 
256 /* only for E3B0*/
257 #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR			304
258 #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR			384
259 #define PFC_E3B0_4P_LB_GUART		120
260 
261 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART		120
262 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST	80
263 
264 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART		80
265 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST	120
266 
267 /* Pause defines*/
268 #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR			330
269 #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR			490
270 #define DEFAULT_E3B0_LB_GUART		40
271 
272 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART		40
273 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST	0
274 
275 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART		40
276 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST	0
277 
278 /* ETS defines*/
279 #define DCBX_INVALID_COS					(0xFF)
280 
281 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
282 #define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
283 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
284 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
285 #define ETS_E3B0_PBF_MIN_W_VAL				(10000)
286 
287 #define MAX_PACKET_SIZE					(9700)
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 /******************************************************************/
1310 /*			EEE section				   */
1311 /******************************************************************/
1312 static u8 bnx2x_eee_has_cap(struct link_params *params)
1313 {
1314 	struct bnx2x *bp = params->bp;
1315 
1316 	if (REG_RD(bp, params->shmem2_base) <=
1317 		   offsetof(struct shmem2_region, eee_status[params->port]))
1318 		return 0;
1319 
1320 	return 1;
1321 }
1322 
1323 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
1324 {
1325 	switch (nvram_mode) {
1326 	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
1327 		*idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
1328 		break;
1329 	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
1330 		*idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
1331 		break;
1332 	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
1333 		*idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
1334 		break;
1335 	default:
1336 		*idle_timer = 0;
1337 		break;
1338 	}
1339 
1340 	return 0;
1341 }
1342 
1343 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
1344 {
1345 	switch (idle_timer) {
1346 	case EEE_MODE_NVRAM_BALANCED_TIME:
1347 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
1348 		break;
1349 	case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
1350 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
1351 		break;
1352 	case EEE_MODE_NVRAM_LATENCY_TIME:
1353 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
1354 		break;
1355 	default:
1356 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
1357 		break;
1358 	}
1359 
1360 	return 0;
1361 }
1362 
1363 static u32 bnx2x_eee_calc_timer(struct link_params *params)
1364 {
1365 	u32 eee_mode, eee_idle;
1366 	struct bnx2x *bp = params->bp;
1367 
1368 	if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
1369 		if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
1370 			/* time value in eee_mode --> used directly*/
1371 			eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
1372 		} else {
1373 			/* hsi value in eee_mode --> time */
1374 			if (bnx2x_eee_nvram_to_time(params->eee_mode &
1375 						    EEE_MODE_NVRAM_MASK,
1376 						    &eee_idle))
1377 				return 0;
1378 		}
1379 	} else {
1380 		/* hsi values in nvram --> time*/
1381 		eee_mode = ((REG_RD(bp, params->shmem_base +
1382 				    offsetof(struct shmem_region, dev_info.
1383 				    port_feature_config[params->port].
1384 				    eee_power_mode)) &
1385 			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
1386 			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
1387 
1388 		if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
1389 			return 0;
1390 	}
1391 
1392 	return eee_idle;
1393 }
1394 
1395 
1396 /******************************************************************/
1397 /*			PFC section				  */
1398 /******************************************************************/
1399 static void bnx2x_update_pfc_xmac(struct link_params *params,
1400 				  struct link_vars *vars,
1401 				  u8 is_lb)
1402 {
1403 	struct bnx2x *bp = params->bp;
1404 	u32 xmac_base;
1405 	u32 pause_val, pfc0_val, pfc1_val;
1406 
1407 	/* XMAC base adrr */
1408 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1409 
1410 	/* Initialize pause and pfc registers */
1411 	pause_val = 0x18000;
1412 	pfc0_val = 0xFFFF8000;
1413 	pfc1_val = 0x2;
1414 
1415 	/* No PFC support */
1416 	if (!(params->feature_config_flags &
1417 	      FEATURE_CONFIG_PFC_ENABLED)) {
1418 
1419 		/* RX flow control - Process pause frame in receive direction
1420 		 */
1421 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1422 			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1423 
1424 		/* TX flow control - Send pause packet when buffer is full */
1425 		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1426 			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1427 	} else {/* PFC support */
1428 		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1429 			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1430 			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1431 			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1432 			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1433 		/* Write pause and PFC registers */
1434 		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1435 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1436 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1437 		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1438 
1439 	}
1440 
1441 	/* Write pause and PFC registers */
1442 	REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1443 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1444 	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1445 
1446 
1447 	/* Set MAC address for source TX Pause/PFC frames */
1448 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1449 	       ((params->mac_addr[2] << 24) |
1450 		(params->mac_addr[3] << 16) |
1451 		(params->mac_addr[4] << 8) |
1452 		(params->mac_addr[5])));
1453 	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1454 	       ((params->mac_addr[0] << 8) |
1455 		(params->mac_addr[1])));
1456 
1457 	udelay(30);
1458 }
1459 
1460 
1461 static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1462 				    u32 pfc_frames_sent[2],
1463 				    u32 pfc_frames_received[2])
1464 {
1465 	/* Read pfc statistic */
1466 	struct bnx2x *bp = params->bp;
1467 	u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1468 	u32 val_xon = 0;
1469 	u32 val_xoff = 0;
1470 
1471 	DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1472 
1473 	/* PFC received frames */
1474 	val_xoff = REG_RD(bp, emac_base +
1475 				EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1476 	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1477 	val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1478 	val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1479 
1480 	pfc_frames_received[0] = val_xon + val_xoff;
1481 
1482 	/* PFC received sent */
1483 	val_xoff = REG_RD(bp, emac_base +
1484 				EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1485 	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1486 	val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1487 	val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1488 
1489 	pfc_frames_sent[0] = val_xon + val_xoff;
1490 }
1491 
1492 /* Read pfc statistic*/
1493 void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1494 			 u32 pfc_frames_sent[2],
1495 			 u32 pfc_frames_received[2])
1496 {
1497 	/* Read pfc statistic */
1498 	struct bnx2x *bp = params->bp;
1499 
1500 	DP(NETIF_MSG_LINK, "pfc statistic\n");
1501 
1502 	if (!vars->link_up)
1503 		return;
1504 
1505 	if (vars->mac_type == MAC_TYPE_EMAC) {
1506 		DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
1507 		bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1508 					pfc_frames_received);
1509 	}
1510 }
1511 /******************************************************************/
1512 /*			MAC/PBF section				  */
1513 /******************************************************************/
1514 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
1515 {
1516 	u32 mode, emac_base;
1517 	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1518 	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1519 	 */
1520 
1521 	if (CHIP_IS_E2(bp))
1522 		emac_base = GRCBASE_EMAC0;
1523 	else
1524 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1525 	mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1526 	mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
1527 		  EMAC_MDIO_MODE_CLOCK_CNT);
1528 	if (USES_WARPCORE(bp))
1529 		mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1530 	else
1531 		mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1532 
1533 	mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1534 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
1535 
1536 	udelay(40);
1537 }
1538 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1539 {
1540 	u32 port4mode_ovwr_val;
1541 	/* Check 4-port override enabled */
1542 	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1543 	if (port4mode_ovwr_val & (1<<0)) {
1544 		/* Return 4-port mode override value */
1545 		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1546 	}
1547 	/* Return 4-port mode from input pin */
1548 	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1549 }
1550 
1551 static void bnx2x_emac_init(struct link_params *params,
1552 			    struct link_vars *vars)
1553 {
1554 	/* reset and unreset the emac core */
1555 	struct bnx2x *bp = params->bp;
1556 	u8 port = params->port;
1557 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1558 	u32 val;
1559 	u16 timeout;
1560 
1561 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1562 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1563 	udelay(5);
1564 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1565 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1566 
1567 	/* init emac - use read-modify-write */
1568 	/* self clear reset */
1569 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1570 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1571 
1572 	timeout = 200;
1573 	do {
1574 		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1575 		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1576 		if (!timeout) {
1577 			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1578 			return;
1579 		}
1580 		timeout--;
1581 	} while (val & EMAC_MODE_RESET);
1582 	bnx2x_set_mdio_clk(bp, params->chip_id, port);
1583 	/* Set mac address */
1584 	val = ((params->mac_addr[0] << 8) |
1585 		params->mac_addr[1]);
1586 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1587 
1588 	val = ((params->mac_addr[2] << 24) |
1589 	       (params->mac_addr[3] << 16) |
1590 	       (params->mac_addr[4] << 8) |
1591 		params->mac_addr[5]);
1592 	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1593 }
1594 
1595 static void bnx2x_set_xumac_nig(struct link_params *params,
1596 				u16 tx_pause_en,
1597 				u8 enable)
1598 {
1599 	struct bnx2x *bp = params->bp;
1600 
1601 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1602 	       enable);
1603 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1604 	       enable);
1605 	REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1606 	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1607 }
1608 
1609 static void bnx2x_umac_disable(struct link_params *params)
1610 {
1611 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1612 	struct bnx2x *bp = params->bp;
1613 	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1614 		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1615 		return;
1616 
1617 	/* Disable RX and TX */
1618 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
1619 }
1620 
1621 static void bnx2x_umac_enable(struct link_params *params,
1622 			    struct link_vars *vars, u8 lb)
1623 {
1624 	u32 val;
1625 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1626 	struct bnx2x *bp = params->bp;
1627 	/* Reset UMAC */
1628 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1629 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1630 	usleep_range(1000, 2000);
1631 
1632 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1633 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1634 
1635 	DP(NETIF_MSG_LINK, "enabling UMAC\n");
1636 
1637 	/* This register opens the gate for the UMAC despite its name */
1638 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1639 
1640 	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1641 		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1642 		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1643 		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1644 	switch (vars->line_speed) {
1645 	case SPEED_10:
1646 		val |= (0<<2);
1647 		break;
1648 	case SPEED_100:
1649 		val |= (1<<2);
1650 		break;
1651 	case SPEED_1000:
1652 		val |= (2<<2);
1653 		break;
1654 	case SPEED_2500:
1655 		val |= (3<<2);
1656 		break;
1657 	default:
1658 		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1659 			       vars->line_speed);
1660 		break;
1661 	}
1662 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1663 		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1664 
1665 	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1666 		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1667 
1668 	if (vars->duplex == DUPLEX_HALF)
1669 		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1670 
1671 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1672 	udelay(50);
1673 
1674 	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1675 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1676 	       ((params->mac_addr[2] << 24) |
1677 		(params->mac_addr[3] << 16) |
1678 		(params->mac_addr[4] << 8) |
1679 		(params->mac_addr[5])));
1680 	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1681 	       ((params->mac_addr[0] << 8) |
1682 		(params->mac_addr[1])));
1683 
1684 	/* Enable RX and TX */
1685 	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1686 	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1687 		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1688 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1689 	udelay(50);
1690 
1691 	/* Remove SW Reset */
1692 	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1693 
1694 	/* Check loopback mode */
1695 	if (lb)
1696 		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1697 	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1698 
1699 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1700 	 * length used by the MAC receive logic to check frames.
1701 	 */
1702 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1703 	bnx2x_set_xumac_nig(params,
1704 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1705 	vars->mac_type = MAC_TYPE_UMAC;
1706 
1707 }
1708 
1709 /* Define the XMAC mode */
1710 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1711 {
1712 	struct bnx2x *bp = params->bp;
1713 	u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1714 
1715 	/* In 4-port mode, need to set the mode only once, so if XMAC is
1716 	 * already out of reset, it means the mode has already been set,
1717 	 * and it must not* reset the XMAC again, since it controls both
1718 	 * ports of the path
1719 	 */
1720 
1721 	if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
1722 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1723 	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1724 		DP(NETIF_MSG_LINK,
1725 		   "XMAC already out of reset in 4-port mode\n");
1726 		return;
1727 	}
1728 
1729 	/* Hard reset */
1730 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1731 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1732 	usleep_range(1000, 2000);
1733 
1734 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1735 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1736 	if (is_port4mode) {
1737 		DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1738 
1739 		/* Set the number of ports on the system side to up to 2 */
1740 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1741 
1742 		/* Set the number of ports on the Warp Core to 10G */
1743 		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1744 	} else {
1745 		/* Set the number of ports on the system side to 1 */
1746 		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1747 		if (max_speed == SPEED_10000) {
1748 			DP(NETIF_MSG_LINK,
1749 			   "Init XMAC to 10G x 1 port per path\n");
1750 			/* Set the number of ports on the Warp Core to 10G */
1751 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1752 		} else {
1753 			DP(NETIF_MSG_LINK,
1754 			   "Init XMAC to 20G x 2 ports per path\n");
1755 			/* Set the number of ports on the Warp Core to 20G */
1756 			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1757 		}
1758 	}
1759 	/* Soft reset */
1760 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1761 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1762 	usleep_range(1000, 2000);
1763 
1764 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1765 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1766 
1767 }
1768 
1769 static void bnx2x_xmac_disable(struct link_params *params)
1770 {
1771 	u8 port = params->port;
1772 	struct bnx2x *bp = params->bp;
1773 	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1774 
1775 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1776 	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1777 		/* Send an indication to change the state in the NIG back to XON
1778 		 * Clearing this bit enables the next set of this bit to get
1779 		 * rising edge
1780 		 */
1781 		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1782 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1783 		       (pfc_ctrl & ~(1<<1)));
1784 		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1785 		       (pfc_ctrl | (1<<1)));
1786 		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1787 		REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
1788 	}
1789 }
1790 
1791 static int bnx2x_xmac_enable(struct link_params *params,
1792 			     struct link_vars *vars, u8 lb)
1793 {
1794 	u32 val, xmac_base;
1795 	struct bnx2x *bp = params->bp;
1796 	DP(NETIF_MSG_LINK, "enabling XMAC\n");
1797 
1798 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1799 
1800 	bnx2x_xmac_init(params, vars->line_speed);
1801 
1802 	/* This register determines on which events the MAC will assert
1803 	 * error on the i/f to the NIG along w/ EOP.
1804 	 */
1805 
1806 	/* This register tells the NIG whether to send traffic to UMAC
1807 	 * or XMAC
1808 	 */
1809 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1810 
1811 	/* Set Max packet size */
1812 	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1813 
1814 	/* CRC append for Tx packets */
1815 	REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1816 
1817 	/* update PFC */
1818 	bnx2x_update_pfc_xmac(params, vars, 0);
1819 
1820 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1821 		DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1822 		REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1823 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1824 	} else {
1825 		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1826 	}
1827 
1828 	/* Enable TX and RX */
1829 	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1830 
1831 	/* Check loopback mode */
1832 	if (lb)
1833 		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1834 	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1835 	bnx2x_set_xumac_nig(params,
1836 			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1837 
1838 	vars->mac_type = MAC_TYPE_XMAC;
1839 
1840 	return 0;
1841 }
1842 
1843 static int bnx2x_emac_enable(struct link_params *params,
1844 			     struct link_vars *vars, u8 lb)
1845 {
1846 	struct bnx2x *bp = params->bp;
1847 	u8 port = params->port;
1848 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1849 	u32 val;
1850 
1851 	DP(NETIF_MSG_LINK, "enabling EMAC\n");
1852 
1853 	/* Disable BMAC */
1854 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1855 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1856 
1857 	/* enable emac and not bmac */
1858 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1859 
1860 	/* ASIC */
1861 	if (vars->phy_flags & PHY_XGXS_FLAG) {
1862 		u32 ser_lane = ((params->lane_config &
1863 				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1864 				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1865 
1866 		DP(NETIF_MSG_LINK, "XGXS\n");
1867 		/* select the master lanes (out of 0-3) */
1868 		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1869 		/* select XGXS */
1870 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1871 
1872 	} else { /* SerDes */
1873 		DP(NETIF_MSG_LINK, "SerDes\n");
1874 		/* select SerDes */
1875 		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1876 	}
1877 
1878 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1879 		      EMAC_RX_MODE_RESET);
1880 	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1881 		      EMAC_TX_MODE_RESET);
1882 
1883 		/* pause enable/disable */
1884 		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1885 			       EMAC_RX_MODE_FLOW_EN);
1886 
1887 		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1888 			       (EMAC_TX_MODE_EXT_PAUSE_EN |
1889 				EMAC_TX_MODE_FLOW_EN));
1890 		if (!(params->feature_config_flags &
1891 		      FEATURE_CONFIG_PFC_ENABLED)) {
1892 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1893 				bnx2x_bits_en(bp, emac_base +
1894 					      EMAC_REG_EMAC_RX_MODE,
1895 					      EMAC_RX_MODE_FLOW_EN);
1896 
1897 			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1898 				bnx2x_bits_en(bp, emac_base +
1899 					      EMAC_REG_EMAC_TX_MODE,
1900 					      (EMAC_TX_MODE_EXT_PAUSE_EN |
1901 					       EMAC_TX_MODE_FLOW_EN));
1902 		} else
1903 			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1904 				      EMAC_TX_MODE_FLOW_EN);
1905 
1906 	/* KEEP_VLAN_TAG, promiscuous */
1907 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1908 	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1909 
1910 	/* Setting this bit causes MAC control frames (except for pause
1911 	 * frames) to be passed on for processing. This setting has no
1912 	 * affect on the operation of the pause frames. This bit effects
1913 	 * all packets regardless of RX Parser packet sorting logic.
1914 	 * Turn the PFC off to make sure we are in Xon state before
1915 	 * enabling it.
1916 	 */
1917 	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1918 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1919 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1920 		/* Enable PFC again */
1921 		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1922 			EMAC_REG_RX_PFC_MODE_RX_EN |
1923 			EMAC_REG_RX_PFC_MODE_TX_EN |
1924 			EMAC_REG_RX_PFC_MODE_PRIORITIES);
1925 
1926 		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1927 			((0x0101 <<
1928 			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1929 			 (0x00ff <<
1930 			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1931 		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1932 	}
1933 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1934 
1935 	/* Set Loopback */
1936 	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1937 	if (lb)
1938 		val |= 0x810;
1939 	else
1940 		val &= ~0x810;
1941 	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1942 
1943 	/* Enable emac */
1944 	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1945 
1946 	/* Enable emac for jumbo packets */
1947 	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1948 		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
1949 		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1950 
1951 	/* Strip CRC */
1952 	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1953 
1954 	/* Disable the NIG in/out to the bmac */
1955 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1956 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1957 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1958 
1959 	/* Enable the NIG in/out to the emac */
1960 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1961 	val = 0;
1962 	if ((params->feature_config_flags &
1963 	      FEATURE_CONFIG_PFC_ENABLED) ||
1964 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1965 		val = 1;
1966 
1967 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1968 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1969 
1970 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1971 
1972 	vars->mac_type = MAC_TYPE_EMAC;
1973 	return 0;
1974 }
1975 
1976 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1977 				   struct link_vars *vars)
1978 {
1979 	u32 wb_data[2];
1980 	struct bnx2x *bp = params->bp;
1981 	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1982 		NIG_REG_INGRESS_BMAC0_MEM;
1983 
1984 	u32 val = 0x14;
1985 	if ((!(params->feature_config_flags &
1986 	      FEATURE_CONFIG_PFC_ENABLED)) &&
1987 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1988 		/* Enable BigMAC to react on received Pause packets */
1989 		val |= (1<<5);
1990 	wb_data[0] = val;
1991 	wb_data[1] = 0;
1992 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1993 
1994 	/* TX control */
1995 	val = 0xc0;
1996 	if (!(params->feature_config_flags &
1997 	      FEATURE_CONFIG_PFC_ENABLED) &&
1998 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1999 		val |= 0x800000;
2000 	wb_data[0] = val;
2001 	wb_data[1] = 0;
2002 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2003 }
2004 
2005 static void bnx2x_update_pfc_bmac2(struct link_params *params,
2006 				   struct link_vars *vars,
2007 				   u8 is_lb)
2008 {
2009 	/* Set rx control: Strip CRC and enable BigMAC to relay
2010 	 * control packets to the system as well
2011 	 */
2012 	u32 wb_data[2];
2013 	struct bnx2x *bp = params->bp;
2014 	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2015 		NIG_REG_INGRESS_BMAC0_MEM;
2016 	u32 val = 0x14;
2017 
2018 	if ((!(params->feature_config_flags &
2019 	      FEATURE_CONFIG_PFC_ENABLED)) &&
2020 		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
2021 		/* Enable BigMAC to react on received Pause packets */
2022 		val |= (1<<5);
2023 	wb_data[0] = val;
2024 	wb_data[1] = 0;
2025 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
2026 	udelay(30);
2027 
2028 	/* Tx control */
2029 	val = 0xc0;
2030 	if (!(params->feature_config_flags &
2031 				FEATURE_CONFIG_PFC_ENABLED) &&
2032 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2033 		val |= 0x800000;
2034 	wb_data[0] = val;
2035 	wb_data[1] = 0;
2036 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2037 
2038 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2039 		DP(NETIF_MSG_LINK, "PFC is enabled\n");
2040 		/* Enable PFC RX & TX & STATS and set 8 COS  */
2041 		wb_data[0] = 0x0;
2042 		wb_data[0] |= (1<<0);  /* RX */
2043 		wb_data[0] |= (1<<1);  /* TX */
2044 		wb_data[0] |= (1<<2);  /* Force initial Xon */
2045 		wb_data[0] |= (1<<3);  /* 8 cos */
2046 		wb_data[0] |= (1<<5);  /* STATS */
2047 		wb_data[1] = 0;
2048 		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2049 			    wb_data, 2);
2050 		/* Clear the force Xon */
2051 		wb_data[0] &= ~(1<<2);
2052 	} else {
2053 		DP(NETIF_MSG_LINK, "PFC is disabled\n");
2054 		/* Disable PFC RX & TX & STATS and set 8 COS */
2055 		wb_data[0] = 0x8;
2056 		wb_data[1] = 0;
2057 	}
2058 
2059 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2060 
2061 	/* Set Time (based unit is 512 bit time) between automatic
2062 	 * re-sending of PP packets amd enable automatic re-send of
2063 	 * Per-Priroity Packet as long as pp_gen is asserted and
2064 	 * pp_disable is low.
2065 	 */
2066 	val = 0x8000;
2067 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2068 		val |= (1<<16); /* enable automatic re-send */
2069 
2070 	wb_data[0] = val;
2071 	wb_data[1] = 0;
2072 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2073 		    wb_data, 2);
2074 
2075 	/* mac control */
2076 	val = 0x3; /* Enable RX and TX */
2077 	if (is_lb) {
2078 		val |= 0x4; /* Local loopback */
2079 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2080 	}
2081 	/* When PFC enabled, Pass pause frames towards the NIG. */
2082 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2083 		val |= ((1<<6)|(1<<5));
2084 
2085 	wb_data[0] = val;
2086 	wb_data[1] = 0;
2087 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2088 }
2089 
2090 /* PFC BRB internal port configuration params */
2091 struct bnx2x_pfc_brb_threshold_val {
2092 	u32 pause_xoff;
2093 	u32 pause_xon;
2094 	u32 full_xoff;
2095 	u32 full_xon;
2096 };
2097 
2098 struct bnx2x_pfc_brb_e3b0_val {
2099 	u32 per_class_guaranty_mode;
2100 	u32 lb_guarantied_hyst;
2101 	u32 full_lb_xoff_th;
2102 	u32 full_lb_xon_threshold;
2103 	u32 lb_guarantied;
2104 	u32 mac_0_class_t_guarantied;
2105 	u32 mac_0_class_t_guarantied_hyst;
2106 	u32 mac_1_class_t_guarantied;
2107 	u32 mac_1_class_t_guarantied_hyst;
2108 };
2109 
2110 struct bnx2x_pfc_brb_th_val {
2111 	struct bnx2x_pfc_brb_threshold_val pauseable_th;
2112 	struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
2113 	struct bnx2x_pfc_brb_threshold_val default_class0;
2114 	struct bnx2x_pfc_brb_threshold_val default_class1;
2115 
2116 };
2117 static int bnx2x_pfc_brb_get_config_params(
2118 				struct link_params *params,
2119 				struct bnx2x_pfc_brb_th_val *config_val)
2120 {
2121 	struct bnx2x *bp = params->bp;
2122 	DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
2123 
2124 	config_val->default_class1.pause_xoff = 0;
2125 	config_val->default_class1.pause_xon = 0;
2126 	config_val->default_class1.full_xoff = 0;
2127 	config_val->default_class1.full_xon = 0;
2128 
2129 	if (CHIP_IS_E2(bp)) {
2130 		/* Class0 defaults */
2131 		config_val->default_class0.pause_xoff =
2132 			DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
2133 		config_val->default_class0.pause_xon =
2134 			DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
2135 		config_val->default_class0.full_xoff =
2136 			DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
2137 		config_val->default_class0.full_xon =
2138 			DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
2139 		/* Pause able*/
2140 		config_val->pauseable_th.pause_xoff =
2141 			PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2142 		config_val->pauseable_th.pause_xon =
2143 			PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
2144 		config_val->pauseable_th.full_xoff =
2145 			PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
2146 		config_val->pauseable_th.full_xon =
2147 			PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
2148 		/* Non pause able*/
2149 		config_val->non_pauseable_th.pause_xoff =
2150 			PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2151 		config_val->non_pauseable_th.pause_xon =
2152 			PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2153 		config_val->non_pauseable_th.full_xoff =
2154 			PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2155 		config_val->non_pauseable_th.full_xon =
2156 			PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2157 	} else if (CHIP_IS_E3A0(bp)) {
2158 		/* Class0 defaults */
2159 		config_val->default_class0.pause_xoff =
2160 			DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
2161 		config_val->default_class0.pause_xon =
2162 			DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
2163 		config_val->default_class0.full_xoff =
2164 			DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
2165 		config_val->default_class0.full_xon =
2166 			DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
2167 		/* Pause able */
2168 		config_val->pauseable_th.pause_xoff =
2169 			PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2170 		config_val->pauseable_th.pause_xon =
2171 			PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
2172 		config_val->pauseable_th.full_xoff =
2173 			PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
2174 		config_val->pauseable_th.full_xon =
2175 			PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
2176 		/* Non pause able*/
2177 		config_val->non_pauseable_th.pause_xoff =
2178 			PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2179 		config_val->non_pauseable_th.pause_xon =
2180 			PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2181 		config_val->non_pauseable_th.full_xoff =
2182 			PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2183 		config_val->non_pauseable_th.full_xon =
2184 			PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2185 	} else if (CHIP_IS_E3B0(bp)) {
2186 		/* Class0 defaults */
2187 		config_val->default_class0.pause_xoff =
2188 			DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
2189 		config_val->default_class0.pause_xon =
2190 		    DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
2191 		config_val->default_class0.full_xoff =
2192 		    DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
2193 		config_val->default_class0.full_xon =
2194 		    DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
2195 
2196 		if (params->phy[INT_PHY].flags &
2197 		    FLAGS_4_PORT_MODE) {
2198 			config_val->pauseable_th.pause_xoff =
2199 				PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2200 			config_val->pauseable_th.pause_xon =
2201 				PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2202 			config_val->pauseable_th.full_xoff =
2203 				PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2204 			config_val->pauseable_th.full_xon =
2205 				PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
2206 			/* Non pause able*/
2207 			config_val->non_pauseable_th.pause_xoff =
2208 			PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2209 			config_val->non_pauseable_th.pause_xon =
2210 			PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2211 			config_val->non_pauseable_th.full_xoff =
2212 			PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2213 			config_val->non_pauseable_th.full_xon =
2214 			PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2215 		} else {
2216 			config_val->pauseable_th.pause_xoff =
2217 				PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
2218 			config_val->pauseable_th.pause_xon =
2219 				PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
2220 			config_val->pauseable_th.full_xoff =
2221 				PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
2222 			config_val->pauseable_th.full_xon =
2223 				PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
2224 			/* Non pause able*/
2225 			config_val->non_pauseable_th.pause_xoff =
2226 				PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
2227 			config_val->non_pauseable_th.pause_xon =
2228 				PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
2229 			config_val->non_pauseable_th.full_xoff =
2230 				PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
2231 			config_val->non_pauseable_th.full_xon =
2232 				PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
2233 		}
2234 	} else
2235 	    return -EINVAL;
2236 
2237 	return 0;
2238 }
2239 
2240 static void bnx2x_pfc_brb_get_e3b0_config_params(
2241 		struct link_params *params,
2242 		struct bnx2x_pfc_brb_e3b0_val
2243 		*e3b0_val,
2244 		struct bnx2x_nig_brb_pfc_port_params *pfc_params,
2245 		const u8 pfc_enabled)
2246 {
2247 	if (pfc_enabled && pfc_params) {
2248 		e3b0_val->per_class_guaranty_mode = 1;
2249 		e3b0_val->lb_guarantied_hyst = 80;
2250 
2251 		if (params->phy[INT_PHY].flags &
2252 		    FLAGS_4_PORT_MODE) {
2253 			e3b0_val->full_lb_xoff_th =
2254 				PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
2255 			e3b0_val->full_lb_xon_threshold =
2256 				PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
2257 			e3b0_val->lb_guarantied =
2258 				PFC_E3B0_4P_LB_GUART;
2259 			e3b0_val->mac_0_class_t_guarantied =
2260 				PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
2261 			e3b0_val->mac_0_class_t_guarantied_hyst =
2262 				PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
2263 			e3b0_val->mac_1_class_t_guarantied =
2264 				PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
2265 			e3b0_val->mac_1_class_t_guarantied_hyst =
2266 				PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
2267 		} else {
2268 			e3b0_val->full_lb_xoff_th =
2269 				PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
2270 			e3b0_val->full_lb_xon_threshold =
2271 				PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
2272 			e3b0_val->mac_0_class_t_guarantied_hyst =
2273 				PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
2274 			e3b0_val->mac_1_class_t_guarantied =
2275 				PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
2276 			e3b0_val->mac_1_class_t_guarantied_hyst =
2277 				PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
2278 
2279 			if (pfc_params->cos0_pauseable !=
2280 				pfc_params->cos1_pauseable) {
2281 				/* Nonpauseable= Lossy + pauseable = Lossless*/
2282 				e3b0_val->lb_guarantied =
2283 					PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
2284 				e3b0_val->mac_0_class_t_guarantied =
2285 			       PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
2286 			} else if (pfc_params->cos0_pauseable) {
2287 				/* Lossless +Lossless*/
2288 				e3b0_val->lb_guarantied =
2289 					PFC_E3B0_2P_PAUSE_LB_GUART;
2290 				e3b0_val->mac_0_class_t_guarantied =
2291 				   PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
2292 			} else {
2293 				/* Lossy +Lossy*/
2294 				e3b0_val->lb_guarantied =
2295 					PFC_E3B0_2P_NON_PAUSE_LB_GUART;
2296 				e3b0_val->mac_0_class_t_guarantied =
2297 			       PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
2298 			}
2299 		}
2300 	} else {
2301 		e3b0_val->per_class_guaranty_mode = 0;
2302 		e3b0_val->lb_guarantied_hyst = 0;
2303 		e3b0_val->full_lb_xoff_th =
2304 			DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
2305 		e3b0_val->full_lb_xon_threshold =
2306 			DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
2307 		e3b0_val->lb_guarantied =
2308 			DEFAULT_E3B0_LB_GUART;
2309 		e3b0_val->mac_0_class_t_guarantied =
2310 			DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
2311 		e3b0_val->mac_0_class_t_guarantied_hyst =
2312 			DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
2313 		e3b0_val->mac_1_class_t_guarantied =
2314 			DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
2315 		e3b0_val->mac_1_class_t_guarantied_hyst =
2316 			DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
2317 	}
2318 }
2319 static int bnx2x_update_pfc_brb(struct link_params *params,
2320 				struct link_vars *vars,
2321 				struct bnx2x_nig_brb_pfc_port_params
2322 				*pfc_params)
2323 {
2324 	struct bnx2x *bp = params->bp;
2325 	struct bnx2x_pfc_brb_th_val config_val = { {0} };
2326 	struct bnx2x_pfc_brb_threshold_val *reg_th_config =
2327 		&config_val.pauseable_th;
2328 	struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
2329 	const int set_pfc = params->feature_config_flags &
2330 		FEATURE_CONFIG_PFC_ENABLED;
2331 	const u8 pfc_enabled = (set_pfc && pfc_params);
2332 	int bnx2x_status = 0;
2333 	u8 port = params->port;
2334 
2335 	/* default - pause configuration */
2336 	reg_th_config = &config_val.pauseable_th;
2337 	bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
2338 	if (bnx2x_status)
2339 		return bnx2x_status;
2340 
2341 	if (pfc_enabled) {
2342 		/* First COS */
2343 		if (pfc_params->cos0_pauseable)
2344 			reg_th_config = &config_val.pauseable_th;
2345 		else
2346 			reg_th_config = &config_val.non_pauseable_th;
2347 	} else
2348 		reg_th_config = &config_val.default_class0;
2349 	/* The number of free blocks below which the pause signal to class 0
2350 	 * of MAC #n is asserted. n=0,1
2351 	 */
2352 	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
2353 	       BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
2354 	       reg_th_config->pause_xoff);
2355 	/* The number of free blocks above which the pause signal to class 0
2356 	 * of MAC #n is de-asserted. n=0,1
2357 	 */
2358 	REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
2359 	       BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
2360 	/* The number of free blocks below which the full signal to class 0
2361 	 * of MAC #n is asserted. n=0,1
2362 	 */
2363 	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
2364 	       BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
2365 	/* The number of free blocks above which the full signal to class 0
2366 	 * of MAC #n is de-asserted. n=0,1
2367 	 */
2368 	REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
2369 	       BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
2370 
2371 	if (pfc_enabled) {
2372 		/* Second COS */
2373 		if (pfc_params->cos1_pauseable)
2374 			reg_th_config = &config_val.pauseable_th;
2375 		else
2376 			reg_th_config = &config_val.non_pauseable_th;
2377 	} else
2378 		reg_th_config = &config_val.default_class1;
2379 	/* The number of free blocks below which the pause signal to
2380 	 * class 1 of MAC #n is asserted. n=0,1
2381 	 */
2382 	REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
2383 	       BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
2384 	       reg_th_config->pause_xoff);
2385 
2386 	/* The number of free blocks above which the pause signal to
2387 	 * class 1 of MAC #n is de-asserted. n=0,1
2388 	 */
2389 	REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
2390 	       BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
2391 	       reg_th_config->pause_xon);
2392 	/* The number of free blocks below which the full signal to
2393 	 * class 1 of MAC #n is asserted. n=0,1
2394 	 */
2395 	REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
2396 	       BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
2397 	       reg_th_config->full_xoff);
2398 	/* The number of free blocks above which the full signal to
2399 	 * class 1 of MAC #n is de-asserted. n=0,1
2400 	 */
2401 	REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
2402 	       BRB1_REG_FULL_1_XON_THRESHOLD_0,
2403 	       reg_th_config->full_xon);
2404 
2405 	if (CHIP_IS_E3B0(bp)) {
2406 		bnx2x_pfc_brb_get_e3b0_config_params(
2407 			params,
2408 			&e3b0_val,
2409 			pfc_params,
2410 			pfc_enabled);
2411 
2412 		REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
2413 			   e3b0_val.per_class_guaranty_mode);
2414 
2415 		/* The hysteresis on the guarantied buffer space for the Lb
2416 		 * port before signaling XON.
2417 		 */
2418 		REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
2419 			   e3b0_val.lb_guarantied_hyst);
2420 
2421 		/* The number of free blocks below which the full signal to the
2422 		 * LB port is asserted.
2423 		 */
2424 		REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
2425 		       e3b0_val.full_lb_xoff_th);
2426 		/* The number of free blocks above which the full signal to the
2427 		 * LB port is de-asserted.
2428 		 */
2429 		REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
2430 		       e3b0_val.full_lb_xon_threshold);
2431 		/* The number of blocks guarantied for the MAC #n port. n=0,1
2432 		 */
2433 
2434 		/* The number of blocks guarantied for the LB port. */
2435 		REG_WR(bp, BRB1_REG_LB_GUARANTIED,
2436 		       e3b0_val.lb_guarantied);
2437 
2438 		/* The number of blocks guarantied for the MAC #n port. */
2439 		REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
2440 		       2 * e3b0_val.mac_0_class_t_guarantied);
2441 		REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
2442 		       2 * e3b0_val.mac_1_class_t_guarantied);
2443 		/* The number of blocks guarantied for class #t in MAC0. t=0,1
2444 		 */
2445 		REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
2446 		       e3b0_val.mac_0_class_t_guarantied);
2447 		REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
2448 		       e3b0_val.mac_0_class_t_guarantied);
2449 		/* The hysteresis on the guarantied buffer space for class in
2450 		 * MAC0.  t=0,1
2451 		 */
2452 		REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
2453 		       e3b0_val.mac_0_class_t_guarantied_hyst);
2454 		REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
2455 		       e3b0_val.mac_0_class_t_guarantied_hyst);
2456 
2457 		/* The number of blocks guarantied for class #t in MAC1.t=0,1
2458 		 */
2459 		REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
2460 		       e3b0_val.mac_1_class_t_guarantied);
2461 		REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
2462 		       e3b0_val.mac_1_class_t_guarantied);
2463 		/* The hysteresis on the guarantied buffer space for class #t
2464 		 * in MAC1.  t=0,1
2465 		 */
2466 		REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
2467 		       e3b0_val.mac_1_class_t_guarantied_hyst);
2468 		REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
2469 		       e3b0_val.mac_1_class_t_guarantied_hyst);
2470 	}
2471 
2472 	return bnx2x_status;
2473 }
2474 
2475 /******************************************************************************
2476 * Description:
2477 *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2478 *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2479 ******************************************************************************/
2480 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2481 					   u8 cos_entry,
2482 					   u32 priority_mask, u8 port)
2483 {
2484 	u32 nig_reg_rx_priority_mask_add = 0;
2485 
2486 	switch (cos_entry) {
2487 	case 0:
2488 	     nig_reg_rx_priority_mask_add = (port) ?
2489 		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2490 		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2491 	     break;
2492 	case 1:
2493 	    nig_reg_rx_priority_mask_add = (port) ?
2494 		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2495 		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2496 	    break;
2497 	case 2:
2498 	    nig_reg_rx_priority_mask_add = (port) ?
2499 		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2500 		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2501 	    break;
2502 	case 3:
2503 	    if (port)
2504 		return -EINVAL;
2505 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2506 	    break;
2507 	case 4:
2508 	    if (port)
2509 		return -EINVAL;
2510 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2511 	    break;
2512 	case 5:
2513 	    if (port)
2514 		return -EINVAL;
2515 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2516 	    break;
2517 	}
2518 
2519 	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2520 
2521 	return 0;
2522 }
2523 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2524 {
2525 	struct bnx2x *bp = params->bp;
2526 
2527 	REG_WR(bp, params->shmem_base +
2528 	       offsetof(struct shmem_region,
2529 			port_mb[params->port].link_status), link_status);
2530 }
2531 
2532 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2533 {
2534 	struct bnx2x *bp = params->bp;
2535 
2536 	if (bnx2x_eee_has_cap(params))
2537 		REG_WR(bp, params->shmem2_base +
2538 		       offsetof(struct shmem2_region,
2539 				eee_status[params->port]), eee_status);
2540 }
2541 
2542 static void bnx2x_update_pfc_nig(struct link_params *params,
2543 		struct link_vars *vars,
2544 		struct bnx2x_nig_brb_pfc_port_params *nig_params)
2545 {
2546 	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2547 	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2548 	u32 pkt_priority_to_cos = 0;
2549 	struct bnx2x *bp = params->bp;
2550 	u8 port = params->port;
2551 
2552 	int set_pfc = params->feature_config_flags &
2553 		FEATURE_CONFIG_PFC_ENABLED;
2554 	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2555 
2556 	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2557 	 * MAC control frames (that are not pause packets)
2558 	 * will be forwarded to the XCM.
2559 	 */
2560 	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2561 			  NIG_REG_LLH0_XCM_MASK);
2562 	/* NIG params will override non PFC params, since it's possible to
2563 	 * do transition from PFC to SAFC
2564 	 */
2565 	if (set_pfc) {
2566 		pause_enable = 0;
2567 		llfc_out_en = 0;
2568 		llfc_enable = 0;
2569 		if (CHIP_IS_E3(bp))
2570 			ppp_enable = 0;
2571 		else
2572 		ppp_enable = 1;
2573 		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2574 				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2575 		xcm_out_en = 0;
2576 		hwpfc_enable = 1;
2577 	} else  {
2578 		if (nig_params) {
2579 			llfc_out_en = nig_params->llfc_out_en;
2580 			llfc_enable = nig_params->llfc_enable;
2581 			pause_enable = nig_params->pause_enable;
2582 		} else  /* Default non PFC mode - PAUSE */
2583 			pause_enable = 1;
2584 
2585 		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2586 			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2587 		xcm_out_en = 1;
2588 	}
2589 
2590 	if (CHIP_IS_E3(bp))
2591 		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2592 		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2593 	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2594 	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2595 	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2596 	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2597 	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2598 	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2599 
2600 	REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2601 	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2602 
2603 	REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2604 	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2605 
2606 	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2607 	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2608 
2609 	/* Output enable for RX_XCM # IF */
2610 	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2611 	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2612 
2613 	/* HW PFC TX enable */
2614 	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2615 	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2616 
2617 	if (nig_params) {
2618 		u8 i = 0;
2619 		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2620 
2621 		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2622 			bnx2x_pfc_nig_rx_priority_mask(bp, i,
2623 		nig_params->rx_cos_priority_mask[i], port);
2624 
2625 		REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2626 		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2627 		       nig_params->llfc_high_priority_classes);
2628 
2629 		REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2630 		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2631 		       nig_params->llfc_low_priority_classes);
2632 	}
2633 	REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2634 	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2635 	       pkt_priority_to_cos);
2636 }
2637 
2638 int bnx2x_update_pfc(struct link_params *params,
2639 		      struct link_vars *vars,
2640 		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2641 {
2642 	/* The PFC and pause are orthogonal to one another, meaning when
2643 	 * PFC is enabled, the pause are disabled, and when PFC is
2644 	 * disabled, pause are set according to the pause result.
2645 	 */
2646 	u32 val;
2647 	struct bnx2x *bp = params->bp;
2648 	int bnx2x_status = 0;
2649 	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2650 
2651 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2652 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2653 	else
2654 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2655 
2656 	bnx2x_update_mng(params, vars->link_status);
2657 
2658 	/* Update NIG params */
2659 	bnx2x_update_pfc_nig(params, vars, pfc_params);
2660 
2661 	/* Update BRB params */
2662 	bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
2663 	if (bnx2x_status)
2664 		return bnx2x_status;
2665 
2666 	if (!vars->link_up)
2667 		return bnx2x_status;
2668 
2669 	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2670 	if (CHIP_IS_E3(bp))
2671 		bnx2x_update_pfc_xmac(params, vars, 0);
2672 	else {
2673 		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2674 		if ((val &
2675 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2676 		    == 0) {
2677 			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2678 			bnx2x_emac_enable(params, vars, 0);
2679 			return bnx2x_status;
2680 		}
2681 		if (CHIP_IS_E2(bp))
2682 			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2683 		else
2684 			bnx2x_update_pfc_bmac1(params, vars);
2685 
2686 		val = 0;
2687 		if ((params->feature_config_flags &
2688 		     FEATURE_CONFIG_PFC_ENABLED) ||
2689 		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2690 			val = 1;
2691 		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2692 	}
2693 	return bnx2x_status;
2694 }
2695 
2696 
2697 static int bnx2x_bmac1_enable(struct link_params *params,
2698 			      struct link_vars *vars,
2699 			      u8 is_lb)
2700 {
2701 	struct bnx2x *bp = params->bp;
2702 	u8 port = params->port;
2703 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2704 			       NIG_REG_INGRESS_BMAC0_MEM;
2705 	u32 wb_data[2];
2706 	u32 val;
2707 
2708 	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2709 
2710 	/* XGXS control */
2711 	wb_data[0] = 0x3c;
2712 	wb_data[1] = 0;
2713 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2714 		    wb_data, 2);
2715 
2716 	/* TX MAC SA */
2717 	wb_data[0] = ((params->mac_addr[2] << 24) |
2718 		       (params->mac_addr[3] << 16) |
2719 		       (params->mac_addr[4] << 8) |
2720 			params->mac_addr[5]);
2721 	wb_data[1] = ((params->mac_addr[0] << 8) |
2722 			params->mac_addr[1]);
2723 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2724 
2725 	/* MAC control */
2726 	val = 0x3;
2727 	if (is_lb) {
2728 		val |= 0x4;
2729 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2730 	}
2731 	wb_data[0] = val;
2732 	wb_data[1] = 0;
2733 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2734 
2735 	/* Set rx mtu */
2736 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2737 	wb_data[1] = 0;
2738 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2739 
2740 	bnx2x_update_pfc_bmac1(params, vars);
2741 
2742 	/* Set tx mtu */
2743 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2744 	wb_data[1] = 0;
2745 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2746 
2747 	/* Set cnt max size */
2748 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2749 	wb_data[1] = 0;
2750 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2751 
2752 	/* Configure SAFC */
2753 	wb_data[0] = 0x1000200;
2754 	wb_data[1] = 0;
2755 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2756 		    wb_data, 2);
2757 
2758 	return 0;
2759 }
2760 
2761 static int bnx2x_bmac2_enable(struct link_params *params,
2762 			      struct link_vars *vars,
2763 			      u8 is_lb)
2764 {
2765 	struct bnx2x *bp = params->bp;
2766 	u8 port = params->port;
2767 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2768 			       NIG_REG_INGRESS_BMAC0_MEM;
2769 	u32 wb_data[2];
2770 
2771 	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2772 
2773 	wb_data[0] = 0;
2774 	wb_data[1] = 0;
2775 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2776 	udelay(30);
2777 
2778 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2779 	wb_data[0] = 0x3c;
2780 	wb_data[1] = 0;
2781 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2782 		    wb_data, 2);
2783 
2784 	udelay(30);
2785 
2786 	/* TX MAC SA */
2787 	wb_data[0] = ((params->mac_addr[2] << 24) |
2788 		       (params->mac_addr[3] << 16) |
2789 		       (params->mac_addr[4] << 8) |
2790 			params->mac_addr[5]);
2791 	wb_data[1] = ((params->mac_addr[0] << 8) |
2792 			params->mac_addr[1]);
2793 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2794 		    wb_data, 2);
2795 
2796 	udelay(30);
2797 
2798 	/* Configure SAFC */
2799 	wb_data[0] = 0x1000200;
2800 	wb_data[1] = 0;
2801 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2802 		    wb_data, 2);
2803 	udelay(30);
2804 
2805 	/* Set RX MTU */
2806 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2807 	wb_data[1] = 0;
2808 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2809 	udelay(30);
2810 
2811 	/* Set TX MTU */
2812 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2813 	wb_data[1] = 0;
2814 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2815 	udelay(30);
2816 	/* Set cnt max size */
2817 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2818 	wb_data[1] = 0;
2819 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2820 	udelay(30);
2821 	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2822 
2823 	return 0;
2824 }
2825 
2826 static int bnx2x_bmac_enable(struct link_params *params,
2827 			     struct link_vars *vars,
2828 			     u8 is_lb)
2829 {
2830 	int rc = 0;
2831 	u8 port = params->port;
2832 	struct bnx2x *bp = params->bp;
2833 	u32 val;
2834 	/* Reset and unreset the BigMac */
2835 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2836 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2837 	usleep_range(1000, 2000);
2838 
2839 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2840 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2841 
2842 	/* Enable access for bmac registers */
2843 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2844 
2845 	/* Enable BMAC according to BMAC type*/
2846 	if (CHIP_IS_E2(bp))
2847 		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2848 	else
2849 		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2850 	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2851 	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2852 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2853 	val = 0;
2854 	if ((params->feature_config_flags &
2855 	      FEATURE_CONFIG_PFC_ENABLED) ||
2856 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2857 		val = 1;
2858 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2859 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2860 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2861 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2862 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2863 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2864 
2865 	vars->mac_type = MAC_TYPE_BMAC;
2866 	return rc;
2867 }
2868 
2869 static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2870 {
2871 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2872 			NIG_REG_INGRESS_BMAC0_MEM;
2873 	u32 wb_data[2];
2874 	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2875 
2876 	/* Only if the bmac is out of reset */
2877 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2878 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2879 	    nig_bmac_enable) {
2880 
2881 		if (CHIP_IS_E2(bp)) {
2882 			/* Clear Rx Enable bit in BMAC_CONTROL register */
2883 			REG_RD_DMAE(bp, bmac_addr +
2884 				    BIGMAC2_REGISTER_BMAC_CONTROL,
2885 				    wb_data, 2);
2886 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2887 			REG_WR_DMAE(bp, bmac_addr +
2888 				    BIGMAC2_REGISTER_BMAC_CONTROL,
2889 				    wb_data, 2);
2890 		} else {
2891 			/* Clear Rx Enable bit in BMAC_CONTROL register */
2892 			REG_RD_DMAE(bp, bmac_addr +
2893 					BIGMAC_REGISTER_BMAC_CONTROL,
2894 					wb_data, 2);
2895 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2896 			REG_WR_DMAE(bp, bmac_addr +
2897 					BIGMAC_REGISTER_BMAC_CONTROL,
2898 					wb_data, 2);
2899 		}
2900 		usleep_range(1000, 2000);
2901 	}
2902 }
2903 
2904 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2905 			    u32 line_speed)
2906 {
2907 	struct bnx2x *bp = params->bp;
2908 	u8 port = params->port;
2909 	u32 init_crd, crd;
2910 	u32 count = 1000;
2911 
2912 	/* Disable port */
2913 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2914 
2915 	/* Wait for init credit */
2916 	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2917 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2918 	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2919 
2920 	while ((init_crd != crd) && count) {
2921 		usleep_range(5000, 10000);
2922 		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2923 		count--;
2924 	}
2925 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2926 	if (init_crd != crd) {
2927 		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2928 			  init_crd, crd);
2929 		return -EINVAL;
2930 	}
2931 
2932 	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2933 	    line_speed == SPEED_10 ||
2934 	    line_speed == SPEED_100 ||
2935 	    line_speed == SPEED_1000 ||
2936 	    line_speed == SPEED_2500) {
2937 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2938 		/* Update threshold */
2939 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2940 		/* Update init credit */
2941 		init_crd = 778;		/* (800-18-4) */
2942 
2943 	} else {
2944 		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2945 			      ETH_OVREHEAD)/16;
2946 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2947 		/* Update threshold */
2948 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2949 		/* Update init credit */
2950 		switch (line_speed) {
2951 		case SPEED_10000:
2952 			init_crd = thresh + 553 - 22;
2953 			break;
2954 		default:
2955 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2956 				  line_speed);
2957 			return -EINVAL;
2958 		}
2959 	}
2960 	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2961 	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2962 		 line_speed, init_crd);
2963 
2964 	/* Probe the credit changes */
2965 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2966 	usleep_range(5000, 10000);
2967 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2968 
2969 	/* Enable port */
2970 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2971 	return 0;
2972 }
2973 
2974 /**
2975  * bnx2x_get_emac_base - retrive emac base address
2976  *
2977  * @bp:			driver handle
2978  * @mdc_mdio_access:	access type
2979  * @port:		port id
2980  *
2981  * This function selects the MDC/MDIO access (through emac0 or
2982  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2983  * phy has a default access mode, which could also be overridden
2984  * by nvram configuration. This parameter, whether this is the
2985  * default phy configuration, or the nvram overrun
2986  * configuration, is passed here as mdc_mdio_access and selects
2987  * the emac_base for the CL45 read/writes operations
2988  */
2989 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2990 			       u32 mdc_mdio_access, u8 port)
2991 {
2992 	u32 emac_base = 0;
2993 	switch (mdc_mdio_access) {
2994 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2995 		break;
2996 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2997 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2998 			emac_base = GRCBASE_EMAC1;
2999 		else
3000 			emac_base = GRCBASE_EMAC0;
3001 		break;
3002 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
3003 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
3004 			emac_base = GRCBASE_EMAC0;
3005 		else
3006 			emac_base = GRCBASE_EMAC1;
3007 		break;
3008 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
3009 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3010 		break;
3011 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
3012 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
3013 		break;
3014 	default:
3015 		break;
3016 	}
3017 	return emac_base;
3018 
3019 }
3020 
3021 /******************************************************************/
3022 /*			CL22 access functions			  */
3023 /******************************************************************/
3024 static int bnx2x_cl22_write(struct bnx2x *bp,
3025 				       struct bnx2x_phy *phy,
3026 				       u16 reg, u16 val)
3027 {
3028 	u32 tmp, mode;
3029 	u8 i;
3030 	int rc = 0;
3031 	/* Switch to CL22 */
3032 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3033 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3034 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3035 
3036 	/* Address */
3037 	tmp = ((phy->addr << 21) | (reg << 16) | val |
3038 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
3039 	       EMAC_MDIO_COMM_START_BUSY);
3040 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3041 
3042 	for (i = 0; i < 50; i++) {
3043 		udelay(10);
3044 
3045 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3046 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3047 			udelay(5);
3048 			break;
3049 		}
3050 	}
3051 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3052 		DP(NETIF_MSG_LINK, "write phy register failed\n");
3053 		rc = -EFAULT;
3054 	}
3055 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3056 	return rc;
3057 }
3058 
3059 static int bnx2x_cl22_read(struct bnx2x *bp,
3060 				      struct bnx2x_phy *phy,
3061 				      u16 reg, u16 *ret_val)
3062 {
3063 	u32 val, mode;
3064 	u16 i;
3065 	int rc = 0;
3066 
3067 	/* Switch to CL22 */
3068 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3069 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3070 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3071 
3072 	/* Address */
3073 	val = ((phy->addr << 21) | (reg << 16) |
3074 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
3075 	       EMAC_MDIO_COMM_START_BUSY);
3076 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3077 
3078 	for (i = 0; i < 50; i++) {
3079 		udelay(10);
3080 
3081 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3082 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3083 			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3084 			udelay(5);
3085 			break;
3086 		}
3087 	}
3088 	if (val & EMAC_MDIO_COMM_START_BUSY) {
3089 		DP(NETIF_MSG_LINK, "read phy register failed\n");
3090 
3091 		*ret_val = 0;
3092 		rc = -EFAULT;
3093 	}
3094 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3095 	return rc;
3096 }
3097 
3098 /******************************************************************/
3099 /*			CL45 access functions			  */
3100 /******************************************************************/
3101 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
3102 			   u8 devad, u16 reg, u16 *ret_val)
3103 {
3104 	u32 val;
3105 	u16 i;
3106 	int rc = 0;
3107 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3108 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3109 			      EMAC_MDIO_STATUS_10MB);
3110 	/* Address */
3111 	val = ((phy->addr << 21) | (devad << 16) | reg |
3112 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3113 	       EMAC_MDIO_COMM_START_BUSY);
3114 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3115 
3116 	for (i = 0; i < 50; i++) {
3117 		udelay(10);
3118 
3119 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3120 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3121 			udelay(5);
3122 			break;
3123 		}
3124 	}
3125 	if (val & EMAC_MDIO_COMM_START_BUSY) {
3126 		DP(NETIF_MSG_LINK, "read phy register failed\n");
3127 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3128 		*ret_val = 0;
3129 		rc = -EFAULT;
3130 	} else {
3131 		/* Data */
3132 		val = ((phy->addr << 21) | (devad << 16) |
3133 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
3134 		       EMAC_MDIO_COMM_START_BUSY);
3135 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3136 
3137 		for (i = 0; i < 50; i++) {
3138 			udelay(10);
3139 
3140 			val = REG_RD(bp, phy->mdio_ctrl +
3141 				     EMAC_REG_EMAC_MDIO_COMM);
3142 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3143 				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3144 				break;
3145 			}
3146 		}
3147 		if (val & EMAC_MDIO_COMM_START_BUSY) {
3148 			DP(NETIF_MSG_LINK, "read phy register failed\n");
3149 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3150 			*ret_val = 0;
3151 			rc = -EFAULT;
3152 		}
3153 	}
3154 	/* Work around for E3 A0 */
3155 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
3156 		phy->flags ^= FLAGS_DUMMY_READ;
3157 		if (phy->flags & FLAGS_DUMMY_READ) {
3158 			u16 temp_val;
3159 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3160 		}
3161 	}
3162 
3163 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3164 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3165 			       EMAC_MDIO_STATUS_10MB);
3166 	return rc;
3167 }
3168 
3169 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3170 			    u8 devad, u16 reg, u16 val)
3171 {
3172 	u32 tmp;
3173 	u8 i;
3174 	int rc = 0;
3175 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3176 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3177 			      EMAC_MDIO_STATUS_10MB);
3178 
3179 	/* Address */
3180 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
3181 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3182 	       EMAC_MDIO_COMM_START_BUSY);
3183 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3184 
3185 	for (i = 0; i < 50; i++) {
3186 		udelay(10);
3187 
3188 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3189 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3190 			udelay(5);
3191 			break;
3192 		}
3193 	}
3194 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3195 		DP(NETIF_MSG_LINK, "write phy register failed\n");
3196 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3197 		rc = -EFAULT;
3198 	} else {
3199 		/* Data */
3200 		tmp = ((phy->addr << 21) | (devad << 16) | val |
3201 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3202 		       EMAC_MDIO_COMM_START_BUSY);
3203 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3204 
3205 		for (i = 0; i < 50; i++) {
3206 			udelay(10);
3207 
3208 			tmp = REG_RD(bp, phy->mdio_ctrl +
3209 				     EMAC_REG_EMAC_MDIO_COMM);
3210 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3211 				udelay(5);
3212 				break;
3213 			}
3214 		}
3215 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3216 			DP(NETIF_MSG_LINK, "write phy register failed\n");
3217 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3218 			rc = -EFAULT;
3219 		}
3220 	}
3221 	/* Work around for E3 A0 */
3222 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
3223 		phy->flags ^= FLAGS_DUMMY_READ;
3224 		if (phy->flags & FLAGS_DUMMY_READ) {
3225 			u16 temp_val;
3226 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3227 		}
3228 	}
3229 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3230 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3231 			       EMAC_MDIO_STATUS_10MB);
3232 	return rc;
3233 }
3234 /******************************************************************/
3235 /*			BSC access functions from E3	          */
3236 /******************************************************************/
3237 static void bnx2x_bsc_module_sel(struct link_params *params)
3238 {
3239 	int idx;
3240 	u32 board_cfg, sfp_ctrl;
3241 	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3242 	struct bnx2x *bp = params->bp;
3243 	u8 port = params->port;
3244 	/* Read I2C output PINs */
3245 	board_cfg = REG_RD(bp, params->shmem_base +
3246 			   offsetof(struct shmem_region,
3247 				    dev_info.shared_hw_config.board));
3248 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3249 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3250 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3251 
3252 	/* Read I2C output value */
3253 	sfp_ctrl = REG_RD(bp, params->shmem_base +
3254 			  offsetof(struct shmem_region,
3255 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3256 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3257 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3258 	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3259 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3260 		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3261 }
3262 
3263 static int bnx2x_bsc_read(struct link_params *params,
3264 			  struct bnx2x_phy *phy,
3265 			  u8 sl_devid,
3266 			  u16 sl_addr,
3267 			  u8 lc_addr,
3268 			  u8 xfer_cnt,
3269 			  u32 *data_array)
3270 {
3271 	u32 val, i;
3272 	int rc = 0;
3273 	struct bnx2x *bp = params->bp;
3274 
3275 	if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3276 		DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3277 		return -EINVAL;
3278 	}
3279 
3280 	if (xfer_cnt > 16) {
3281 		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3282 					xfer_cnt);
3283 		return -EINVAL;
3284 	}
3285 	bnx2x_bsc_module_sel(params);
3286 
3287 	xfer_cnt = 16 - lc_addr;
3288 
3289 	/* Enable the engine */
3290 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3291 	val |= MCPR_IMC_COMMAND_ENABLE;
3292 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3293 
3294 	/* Program slave device ID */
3295 	val = (sl_devid << 16) | sl_addr;
3296 	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3297 
3298 	/* Start xfer with 0 byte to update the address pointer ???*/
3299 	val = (MCPR_IMC_COMMAND_ENABLE) |
3300 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3301 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3302 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3303 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3304 
3305 	/* Poll for completion */
3306 	i = 0;
3307 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3308 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3309 		udelay(10);
3310 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3311 		if (i++ > 1000) {
3312 			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3313 								i);
3314 			rc = -EFAULT;
3315 			break;
3316 		}
3317 	}
3318 	if (rc == -EFAULT)
3319 		return rc;
3320 
3321 	/* Start xfer with read op */
3322 	val = (MCPR_IMC_COMMAND_ENABLE) |
3323 		(MCPR_IMC_COMMAND_READ_OP <<
3324 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3325 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3326 		  (xfer_cnt);
3327 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3328 
3329 	/* Poll for completion */
3330 	i = 0;
3331 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3332 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3333 		udelay(10);
3334 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3335 		if (i++ > 1000) {
3336 			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3337 			rc = -EFAULT;
3338 			break;
3339 		}
3340 	}
3341 	if (rc == -EFAULT)
3342 		return rc;
3343 
3344 	for (i = (lc_addr >> 2); i < 4; i++) {
3345 		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3346 #ifdef __BIG_ENDIAN
3347 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3348 				((data_array[i] & 0x0000ff00) << 8) |
3349 				((data_array[i] & 0x00ff0000) >> 8) |
3350 				((data_array[i] & 0xff000000) >> 24);
3351 #endif
3352 	}
3353 	return rc;
3354 }
3355 
3356 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3357 				     u8 devad, u16 reg, u16 or_val)
3358 {
3359 	u16 val;
3360 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3361 	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3362 }
3363 
3364 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3365 		   u8 devad, u16 reg, u16 *ret_val)
3366 {
3367 	u8 phy_index;
3368 	/* Probe for the phy according to the given phy_addr, and execute
3369 	 * the read request on it
3370 	 */
3371 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3372 		if (params->phy[phy_index].addr == phy_addr) {
3373 			return bnx2x_cl45_read(params->bp,
3374 					       &params->phy[phy_index], devad,
3375 					       reg, ret_val);
3376 		}
3377 	}
3378 	return -EINVAL;
3379 }
3380 
3381 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3382 		    u8 devad, u16 reg, u16 val)
3383 {
3384 	u8 phy_index;
3385 	/* Probe for the phy according to the given phy_addr, and execute
3386 	 * the write request on it
3387 	 */
3388 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3389 		if (params->phy[phy_index].addr == phy_addr) {
3390 			return bnx2x_cl45_write(params->bp,
3391 						&params->phy[phy_index], devad,
3392 						reg, val);
3393 		}
3394 	}
3395 	return -EINVAL;
3396 }
3397 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3398 				  struct link_params *params)
3399 {
3400 	u8 lane = 0;
3401 	struct bnx2x *bp = params->bp;
3402 	u32 path_swap, path_swap_ovr;
3403 	u8 path, port;
3404 
3405 	path = BP_PATH(bp);
3406 	port = params->port;
3407 
3408 	if (bnx2x_is_4_port_mode(bp)) {
3409 		u32 port_swap, port_swap_ovr;
3410 
3411 		/* Figure out path swap value */
3412 		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3413 		if (path_swap_ovr & 0x1)
3414 			path_swap = (path_swap_ovr & 0x2);
3415 		else
3416 			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3417 
3418 		if (path_swap)
3419 			path = path ^ 1;
3420 
3421 		/* Figure out port swap value */
3422 		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3423 		if (port_swap_ovr & 0x1)
3424 			port_swap = (port_swap_ovr & 0x2);
3425 		else
3426 			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3427 
3428 		if (port_swap)
3429 			port = port ^ 1;
3430 
3431 		lane = (port<<1) + path;
3432 	} else { /* Two port mode - no port swap */
3433 
3434 		/* Figure out path swap value */
3435 		path_swap_ovr =
3436 			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3437 		if (path_swap_ovr & 0x1) {
3438 			path_swap = (path_swap_ovr & 0x2);
3439 		} else {
3440 			path_swap =
3441 				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3442 		}
3443 		if (path_swap)
3444 			path = path ^ 1;
3445 
3446 		lane = path << 1 ;
3447 	}
3448 	return lane;
3449 }
3450 
3451 static void bnx2x_set_aer_mmd(struct link_params *params,
3452 			      struct bnx2x_phy *phy)
3453 {
3454 	u32 ser_lane;
3455 	u16 offset, aer_val;
3456 	struct bnx2x *bp = params->bp;
3457 	ser_lane = ((params->lane_config &
3458 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3459 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3460 
3461 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3462 		(phy->addr + ser_lane) : 0;
3463 
3464 	if (USES_WARPCORE(bp)) {
3465 		aer_val = bnx2x_get_warpcore_lane(phy, params);
3466 		/* In Dual-lane mode, two lanes are joined together,
3467 		 * so in order to configure them, the AER broadcast method is
3468 		 * used here.
3469 		 * 0x200 is the broadcast address for lanes 0,1
3470 		 * 0x201 is the broadcast address for lanes 2,3
3471 		 */
3472 		if (phy->flags & FLAGS_WC_DUAL_MODE)
3473 			aer_val = (aer_val >> 1) | 0x200;
3474 	} else if (CHIP_IS_E2(bp))
3475 		aer_val = 0x3800 + offset - 1;
3476 	else
3477 		aer_val = 0x3800 + offset;
3478 
3479 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3480 			  MDIO_AER_BLOCK_AER_REG, aer_val);
3481 
3482 }
3483 
3484 /******************************************************************/
3485 /*			Internal phy section			  */
3486 /******************************************************************/
3487 
3488 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3489 {
3490 	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3491 
3492 	/* Set Clause 22 */
3493 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3494 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3495 	udelay(500);
3496 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3497 	udelay(500);
3498 	 /* Set Clause 45 */
3499 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3500 }
3501 
3502 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3503 {
3504 	u32 val;
3505 
3506 	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3507 
3508 	val = SERDES_RESET_BITS << (port*16);
3509 
3510 	/* Reset and unreset the SerDes/XGXS */
3511 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3512 	udelay(500);
3513 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3514 
3515 	bnx2x_set_serdes_access(bp, port);
3516 
3517 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3518 	       DEFAULT_PHY_DEV_ADDR);
3519 }
3520 
3521 static void bnx2x_xgxs_deassert(struct link_params *params)
3522 {
3523 	struct bnx2x *bp = params->bp;
3524 	u8 port;
3525 	u32 val;
3526 	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3527 	port = params->port;
3528 
3529 	val = XGXS_RESET_BITS << (port*16);
3530 
3531 	/* Reset and unreset the SerDes/XGXS */
3532 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3533 	udelay(500);
3534 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3535 
3536 	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
3537 	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
3538 	       params->phy[INT_PHY].def_md_devad);
3539 }
3540 
3541 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3542 				     struct link_params *params, u16 *ieee_fc)
3543 {
3544 	struct bnx2x *bp = params->bp;
3545 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3546 	/* Resolve pause mode and advertisement Please refer to Table
3547 	 * 28B-3 of the 802.3ab-1999 spec
3548 	 */
3549 
3550 	switch (phy->req_flow_ctrl) {
3551 	case BNX2X_FLOW_CTRL_AUTO:
3552 		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3553 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3554 		else
3555 			*ieee_fc |=
3556 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3557 		break;
3558 
3559 	case BNX2X_FLOW_CTRL_TX:
3560 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3561 		break;
3562 
3563 	case BNX2X_FLOW_CTRL_RX:
3564 	case BNX2X_FLOW_CTRL_BOTH:
3565 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3566 		break;
3567 
3568 	case BNX2X_FLOW_CTRL_NONE:
3569 	default:
3570 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3571 		break;
3572 	}
3573 	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3574 }
3575 
3576 static void set_phy_vars(struct link_params *params,
3577 			 struct link_vars *vars)
3578 {
3579 	struct bnx2x *bp = params->bp;
3580 	u8 actual_phy_idx, phy_index, link_cfg_idx;
3581 	u8 phy_config_swapped = params->multi_phy_config &
3582 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3583 	for (phy_index = INT_PHY; phy_index < params->num_phys;
3584 	      phy_index++) {
3585 		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3586 		actual_phy_idx = phy_index;
3587 		if (phy_config_swapped) {
3588 			if (phy_index == EXT_PHY1)
3589 				actual_phy_idx = EXT_PHY2;
3590 			else if (phy_index == EXT_PHY2)
3591 				actual_phy_idx = EXT_PHY1;
3592 		}
3593 		params->phy[actual_phy_idx].req_flow_ctrl =
3594 			params->req_flow_ctrl[link_cfg_idx];
3595 
3596 		params->phy[actual_phy_idx].req_line_speed =
3597 			params->req_line_speed[link_cfg_idx];
3598 
3599 		params->phy[actual_phy_idx].speed_cap_mask =
3600 			params->speed_cap_mask[link_cfg_idx];
3601 
3602 		params->phy[actual_phy_idx].req_duplex =
3603 			params->req_duplex[link_cfg_idx];
3604 
3605 		if (params->req_line_speed[link_cfg_idx] ==
3606 		    SPEED_AUTO_NEG)
3607 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3608 
3609 		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3610 			   " speed_cap_mask %x\n",
3611 			   params->phy[actual_phy_idx].req_flow_ctrl,
3612 			   params->phy[actual_phy_idx].req_line_speed,
3613 			   params->phy[actual_phy_idx].speed_cap_mask);
3614 	}
3615 }
3616 
3617 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3618 				    struct bnx2x_phy *phy,
3619 				    struct link_vars *vars)
3620 {
3621 	u16 val;
3622 	struct bnx2x *bp = params->bp;
3623 	/* Read modify write pause advertizing */
3624 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3625 
3626 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3627 
3628 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3629 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3630 	if ((vars->ieee_fc &
3631 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3632 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3633 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3634 	}
3635 	if ((vars->ieee_fc &
3636 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3637 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3638 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3639 	}
3640 	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3641 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3642 }
3643 
3644 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3645 {						/*  LD	    LP	 */
3646 	switch (pause_result) {			/* ASYM P ASYM P */
3647 	case 0xb:				/*   1  0   1  1 */
3648 		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3649 		break;
3650 
3651 	case 0xe:				/*   1  1   1  0 */
3652 		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3653 		break;
3654 
3655 	case 0x5:				/*   0  1   0  1 */
3656 	case 0x7:				/*   0  1   1  1 */
3657 	case 0xd:				/*   1  1   0  1 */
3658 	case 0xf:				/*   1  1   1  1 */
3659 		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3660 		break;
3661 
3662 	default:
3663 		break;
3664 	}
3665 	if (pause_result & (1<<0))
3666 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3667 	if (pause_result & (1<<1))
3668 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3669 
3670 }
3671 
3672 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3673 					struct link_params *params,
3674 					struct link_vars *vars)
3675 {
3676 	u16 ld_pause;		/* local */
3677 	u16 lp_pause;		/* link partner */
3678 	u16 pause_result;
3679 	struct bnx2x *bp = params->bp;
3680 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3681 		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3682 		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3683 	} else if (CHIP_IS_E3(bp) &&
3684 		SINGLE_MEDIA_DIRECT(params)) {
3685 		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3686 		u16 gp_status, gp_mask;
3687 		bnx2x_cl45_read(bp, phy,
3688 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3689 				&gp_status);
3690 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3691 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3692 			lane;
3693 		if ((gp_status & gp_mask) == gp_mask) {
3694 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3695 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3696 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3697 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3698 		} else {
3699 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3700 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3701 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3702 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3703 			ld_pause = ((ld_pause &
3704 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3705 				    << 3);
3706 			lp_pause = ((lp_pause &
3707 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3708 				    << 3);
3709 		}
3710 	} else {
3711 		bnx2x_cl45_read(bp, phy,
3712 				MDIO_AN_DEVAD,
3713 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3714 		bnx2x_cl45_read(bp, phy,
3715 				MDIO_AN_DEVAD,
3716 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3717 	}
3718 	pause_result = (ld_pause &
3719 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3720 	pause_result |= (lp_pause &
3721 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3722 	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3723 	bnx2x_pause_resolve(vars, pause_result);
3724 
3725 }
3726 
3727 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3728 				   struct link_params *params,
3729 				   struct link_vars *vars)
3730 {
3731 	u8 ret = 0;
3732 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3733 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3734 		/* Update the advertised flow-controled of LD/LP in AN */
3735 		if (phy->req_line_speed == SPEED_AUTO_NEG)
3736 			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3737 		/* But set the flow-control result as the requested one */
3738 		vars->flow_ctrl = phy->req_flow_ctrl;
3739 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3740 		vars->flow_ctrl = params->req_fc_auto_adv;
3741 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3742 		ret = 1;
3743 		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3744 	}
3745 	return ret;
3746 }
3747 /******************************************************************/
3748 /*			Warpcore section			  */
3749 /******************************************************************/
3750 /* The init_internal_warpcore should mirror the xgxs,
3751  * i.e. reset the lane (if needed), set aer for the
3752  * init configuration, and set/clear SGMII flag. Internal
3753  * phy init is done purely in phy_init stage.
3754  */
3755 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3756 					struct link_params *params,
3757 					struct link_vars *vars) {
3758 	u16 val16 = 0, lane, i;
3759 	struct bnx2x *bp = params->bp;
3760 	static struct bnx2x_reg_set reg_set[] = {
3761 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3762 		{MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
3763 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
3764 		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
3765 		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
3766 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3767 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3768 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3769 		/* Disable Autoneg: re-enable it after adv is done. */
3770 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
3771 	};
3772 	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3773 	/* Set to default registers that may be overriden by 10G force */
3774 	for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3775 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3776 				 reg_set[i].val);
3777 
3778 	/* Check adding advertisement for 1G KX */
3779 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3780 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3781 	    (vars->line_speed == SPEED_1000)) {
3782 		u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3783 		val16 |= (1<<5);
3784 
3785 		/* Enable CL37 1G Parallel Detect */
3786 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3787 		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3788 	}
3789 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3790 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3791 	    (vars->line_speed ==  SPEED_10000)) {
3792 		/* Check adding advertisement for 10G KR */
3793 		val16 |= (1<<7);
3794 		/* Enable 10G Parallel Detect */
3795 		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3796 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3797 
3798 		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3799 	}
3800 
3801 	/* Set Transmit PMD settings */
3802 	lane = bnx2x_get_warpcore_lane(phy, params);
3803 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3804 		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3805 		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3806 		      (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3807 		      (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3808 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3809 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3810 			 0x03f0);
3811 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3812 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3813 			 0x03f0);
3814 
3815 	/* Advertised speeds */
3816 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3817 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3818 
3819 	/* Advertised and set FEC (Forward Error Correction) */
3820 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3821 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3822 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3823 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3824 
3825 	/* Enable CL37 BAM */
3826 	if (REG_RD(bp, params->shmem_base +
3827 		   offsetof(struct shmem_region, dev_info.
3828 			    port_hw_config[params->port].default_cfg)) &
3829 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3830 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3831 					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3832 					 1);
3833 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3834 	}
3835 
3836 	/* Advertise pause */
3837 	bnx2x_ext_phy_set_pause(params, phy, vars);
3838 	/* Set KR Autoneg Work-Around flag for Warpcore version older than D108
3839 	 */
3840 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3841 			MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
3842 	if (val16 < 0xd108) {
3843 		DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
3844 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3845 	}
3846 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3847 				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3848 
3849 	/* Over 1G - AN local device user page 1 */
3850 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3851 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3852 
3853 	/* Enable Autoneg */
3854 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3855 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3856 
3857 }
3858 
3859 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3860 				      struct link_params *params,
3861 				      struct link_vars *vars)
3862 {
3863 	struct bnx2x *bp = params->bp;
3864 	u16 i;
3865 	static struct bnx2x_reg_set reg_set[] = {
3866 		/* Disable Autoneg */
3867 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3868 		{MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
3869 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3870 			0x3f00},
3871 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3872 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3873 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3874 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3875 		/* Disable CL36 PCS Tx */
3876 		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
3877 		/* Double Wide Single Data Rate @ pll rate */
3878 		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
3879 		/* Leave cl72 training enable, needed for KR */
3880 		{MDIO_PMA_DEVAD,
3881 		MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3882 		0x2}
3883 	};
3884 
3885 	for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3886 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3887 				 reg_set[i].val);
3888 
3889 	/* Leave CL72 enabled */
3890 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3891 				 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3892 				 0x3800);
3893 
3894 	/* Set speed via PMA/PMD register */
3895 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3896 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3897 
3898 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3899 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3900 
3901 	/* Enable encoded forced speed */
3902 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3903 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3904 
3905 	/* Turn TX scramble payload only the 64/66 scrambler */
3906 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3907 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3908 
3909 	/* Turn RX scramble payload only the 64/66 scrambler */
3910 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3911 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3912 
3913 	/* Set and clear loopback to cause a reset to 64/66 decoder */
3914 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3915 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3916 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3917 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3918 
3919 }
3920 
3921 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3922 				       struct link_params *params,
3923 				       u8 is_xfi)
3924 {
3925 	struct bnx2x *bp = params->bp;
3926 	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3927 	/* Hold rxSeqStart */
3928 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3929 				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3930 
3931 	/* Hold tx_fifo_reset */
3932 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3933 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3934 
3935 	/* Disable CL73 AN */
3936 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3937 
3938 	/* Disable 100FX Enable and Auto-Detect */
3939 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3940 			MDIO_WC_REG_FX100_CTRL1, &val);
3941 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3942 			 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3943 
3944 	/* Disable 100FX Idle detect */
3945 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3946 				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3947 
3948 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3949 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3950 			MDIO_WC_REG_DIGITAL4_MISC3, &val);
3951 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3952 			 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3953 
3954 	/* Turn off auto-detect & fiber mode */
3955 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3956 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3957 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3958 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3959 			 (val & 0xFFEE));
3960 
3961 	/* Set filter_force_link, disable_false_link and parallel_detect */
3962 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3963 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3964 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3965 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3966 			 ((val | 0x0006) & 0xFFFE));
3967 
3968 	/* Set XFI / SFI */
3969 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3970 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3971 
3972 	misc1_val &= ~(0x1f);
3973 
3974 	if (is_xfi) {
3975 		misc1_val |= 0x5;
3976 		tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3977 			   (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3978 			   (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3979 		tx_driver_val =
3980 		      ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3981 		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3982 		       (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3983 
3984 	} else {
3985 		misc1_val |= 0x9;
3986 		tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3987 			   (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3988 			   (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3989 		tx_driver_val =
3990 		      ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3991 		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3992 		       (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3993 	}
3994 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3995 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3996 
3997 	/* Set Transmit PMD settings */
3998 	lane = bnx2x_get_warpcore_lane(phy, params);
3999 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4000 			 MDIO_WC_REG_TX_FIR_TAP,
4001 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4002 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4003 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4004 			 tx_driver_val);
4005 
4006 	/* Enable fiber mode, enable and invert sig_det */
4007 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4008 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4009 
4010 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4011 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4012 				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4013 
4014 	/* Enable LPI pass through */
4015 	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
4016 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4017 			 MDIO_WC_REG_EEE_COMBO_CONTROL0,
4018 			 0x7c);
4019 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4020 				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
4021 
4022 	/* 10G XFI Full Duplex */
4023 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4024 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4025 
4026 	/* Release tx_fifo_reset */
4027 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4028 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
4029 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4030 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
4031 
4032 	/* Release rxSeqStart */
4033 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4034 			MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
4035 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4036 			 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
4037 }
4038 
4039 static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
4040 				       struct bnx2x_phy *phy)
4041 {
4042 	DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
4043 }
4044 
4045 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4046 					 struct bnx2x_phy *phy,
4047 					 u16 lane)
4048 {
4049 	/* Rx0 anaRxControl1G */
4050 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4051 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4052 
4053 	/* Rx2 anaRxControl1G */
4054 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4055 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4056 
4057 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4058 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4059 
4060 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4061 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4062 
4063 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4064 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4065 
4066 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4067 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4068 
4069 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4070 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4071 
4072 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4073 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4074 
4075 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4076 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4077 
4078 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4079 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4080 
4081 	/* Serdes Digital Misc1 */
4082 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4083 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4084 
4085 	/* Serdes Digital4 Misc3 */
4086 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4087 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4088 
4089 	/* Set Transmit PMD settings */
4090 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4091 			 MDIO_WC_REG_TX_FIR_TAP,
4092 			((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4093 			 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4094 			 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4095 			 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4096 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4097 		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4098 		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4099 		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4100 		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4101 }
4102 
4103 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4104 					   struct link_params *params,
4105 					   u8 fiber_mode,
4106 					   u8 always_autoneg)
4107 {
4108 	struct bnx2x *bp = params->bp;
4109 	u16 val16, digctrl_kx1, digctrl_kx2;
4110 
4111 	/* Clear XFI clock comp in non-10G single lane mode. */
4112 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4113 			MDIO_WC_REG_RX66_CONTROL, &val16);
4114 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4115 			 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
4116 
4117 	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4118 		/* SGMII Autoneg */
4119 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4120 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4121 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4122 				 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4123 				 val16 | 0x1000);
4124 		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4125 	} else {
4126 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4127 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4128 		val16 &= 0xcebf;
4129 		switch (phy->req_line_speed) {
4130 		case SPEED_10:
4131 			break;
4132 		case SPEED_100:
4133 			val16 |= 0x2000;
4134 			break;
4135 		case SPEED_1000:
4136 			val16 |= 0x0040;
4137 			break;
4138 		default:
4139 			DP(NETIF_MSG_LINK,
4140 			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4141 			return;
4142 		}
4143 
4144 		if (phy->req_duplex == DUPLEX_FULL)
4145 			val16 |= 0x0100;
4146 
4147 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4148 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4149 
4150 		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4151 			       phy->req_line_speed);
4152 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4153 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4154 		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4155 	}
4156 
4157 	/* SGMII Slave mode and disable signal detect */
4158 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4159 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4160 	if (fiber_mode)
4161 		digctrl_kx1 = 1;
4162 	else
4163 		digctrl_kx1 &= 0xff4a;
4164 
4165 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4166 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4167 			digctrl_kx1);
4168 
4169 	/* Turn off parallel detect */
4170 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4171 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4172 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4173 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4174 			(digctrl_kx2 & ~(1<<2)));
4175 
4176 	/* Re-enable parallel detect */
4177 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4178 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4179 			(digctrl_kx2 | (1<<2)));
4180 
4181 	/* Enable autodet */
4182 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4183 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4184 			(digctrl_kx1 | 0x10));
4185 }
4186 
4187 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4188 				      struct bnx2x_phy *phy,
4189 				      u8 reset)
4190 {
4191 	u16 val;
4192 	/* Take lane out of reset after configuration is finished */
4193 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4194 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4195 	if (reset)
4196 		val |= 0xC000;
4197 	else
4198 		val &= 0x3FFF;
4199 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4200 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4201 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4202 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4203 }
4204 /* Clear SFI/XFI link settings registers */
4205 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4206 				      struct link_params *params,
4207 				      u16 lane)
4208 {
4209 	struct bnx2x *bp = params->bp;
4210 	u16 i;
4211 	static struct bnx2x_reg_set wc_regs[] = {
4212 		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4213 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4214 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4215 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4216 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4217 			0x0195},
4218 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4219 			0x0007},
4220 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4221 			0x0002},
4222 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4223 		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4224 		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4225 		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4226 	};
4227 	/* Set XFI clock comp as default. */
4228 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4229 				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4230 
4231 	for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
4232 		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4233 				 wc_regs[i].val);
4234 
4235 	lane = bnx2x_get_warpcore_lane(phy, params);
4236 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4237 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4238 
4239 }
4240 
4241 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4242 						u32 chip_id,
4243 						u32 shmem_base, u8 port,
4244 						u8 *gpio_num, u8 *gpio_port)
4245 {
4246 	u32 cfg_pin;
4247 	*gpio_num = 0;
4248 	*gpio_port = 0;
4249 	if (CHIP_IS_E3(bp)) {
4250 		cfg_pin = (REG_RD(bp, shmem_base +
4251 				offsetof(struct shmem_region,
4252 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4253 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4254 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4255 
4256 		/* Should not happen. This function called upon interrupt
4257 		 * triggered by GPIO ( since EPIO can only generate interrupts
4258 		 * to MCP).
4259 		 * So if this function was called and none of the GPIOs was set,
4260 		 * it means the shit hit the fan.
4261 		 */
4262 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4263 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4264 			DP(NETIF_MSG_LINK,
4265 			   "ERROR: Invalid cfg pin %x for module detect indication\n",
4266 			   cfg_pin);
4267 			return -EINVAL;
4268 		}
4269 
4270 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4271 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4272 	} else {
4273 		*gpio_num = MISC_REGISTERS_GPIO_3;
4274 		*gpio_port = port;
4275 	}
4276 	DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4277 	return 0;
4278 }
4279 
4280 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4281 				       struct link_params *params)
4282 {
4283 	struct bnx2x *bp = params->bp;
4284 	u8 gpio_num, gpio_port;
4285 	u32 gpio_val;
4286 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4287 				      params->shmem_base, params->port,
4288 				      &gpio_num, &gpio_port) != 0)
4289 		return 0;
4290 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4291 
4292 	/* Call the handling function in case module is detected */
4293 	if (gpio_val == 0)
4294 		return 1;
4295 	else
4296 		return 0;
4297 }
4298 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4299 					struct link_params *params)
4300 {
4301 	u16 gp2_status_reg0, lane;
4302 	struct bnx2x *bp = params->bp;
4303 
4304 	lane = bnx2x_get_warpcore_lane(phy, params);
4305 
4306 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4307 				 &gp2_status_reg0);
4308 
4309 	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4310 }
4311 
4312 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4313 				       struct link_params *params,
4314 				       struct link_vars *vars)
4315 {
4316 	struct bnx2x *bp = params->bp;
4317 	u32 serdes_net_if;
4318 	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4319 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4320 
4321 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4322 
4323 	if (!vars->turn_to_run_wc_rt)
4324 		return;
4325 
4326 	/* Return if there is no link partner */
4327 	if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4328 		DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4329 		return;
4330 	}
4331 
4332 	if (vars->rx_tx_asic_rst) {
4333 		serdes_net_if = (REG_RD(bp, params->shmem_base +
4334 				offsetof(struct shmem_region, dev_info.
4335 				port_hw_config[params->port].default_cfg)) &
4336 				PORT_HW_CFG_NET_SERDES_IF_MASK);
4337 
4338 		switch (serdes_net_if) {
4339 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4340 			/* Do we get link yet? */
4341 			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4342 								&gp_status1);
4343 			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4344 				/*10G KR*/
4345 			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4346 
4347 			DP(NETIF_MSG_LINK,
4348 				"gp_status1 0x%x\n", gp_status1);
4349 
4350 			if (lnkup_kr || lnkup) {
4351 					vars->rx_tx_asic_rst = 0;
4352 					DP(NETIF_MSG_LINK,
4353 					"link up, rx_tx_asic_rst 0x%x\n",
4354 					vars->rx_tx_asic_rst);
4355 			} else {
4356 				/* Reset the lane to see if link comes up.*/
4357 				bnx2x_warpcore_reset_lane(bp, phy, 1);
4358 				bnx2x_warpcore_reset_lane(bp, phy, 0);
4359 
4360 				/* Restart Autoneg */
4361 				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4362 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4363 
4364 				vars->rx_tx_asic_rst--;
4365 				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4366 				vars->rx_tx_asic_rst);
4367 			}
4368 			break;
4369 
4370 		default:
4371 			break;
4372 		}
4373 
4374 	} /*params->rx_tx_asic_rst*/
4375 
4376 }
4377 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4378 				      struct link_params *params)
4379 {
4380 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4381 	struct bnx2x *bp = params->bp;
4382 	bnx2x_warpcore_clear_regs(phy, params, lane);
4383 	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4384 	     SPEED_10000) &&
4385 	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4386 		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4387 		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4388 	} else {
4389 		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4390 		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4391 	}
4392 }
4393 
4394 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4395 				       struct link_params *params,
4396 				       struct link_vars *vars)
4397 {
4398 	struct bnx2x *bp = params->bp;
4399 	u32 serdes_net_if;
4400 	u8 fiber_mode;
4401 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4402 	serdes_net_if = (REG_RD(bp, params->shmem_base +
4403 			 offsetof(struct shmem_region, dev_info.
4404 				  port_hw_config[params->port].default_cfg)) &
4405 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4406 	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4407 			   "serdes_net_if = 0x%x\n",
4408 		       vars->line_speed, serdes_net_if);
4409 	bnx2x_set_aer_mmd(params, phy);
4410 
4411 	vars->phy_flags |= PHY_XGXS_FLAG;
4412 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4413 	    (phy->req_line_speed &&
4414 	     ((phy->req_line_speed == SPEED_100) ||
4415 	      (phy->req_line_speed == SPEED_10)))) {
4416 		vars->phy_flags |= PHY_SGMII_FLAG;
4417 		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4418 		bnx2x_warpcore_clear_regs(phy, params, lane);
4419 		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4420 	} else {
4421 		switch (serdes_net_if) {
4422 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4423 			/* Enable KR Auto Neg */
4424 			if (params->loopback_mode != LOOPBACK_EXT)
4425 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4426 			else {
4427 				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4428 				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4429 			}
4430 			break;
4431 
4432 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4433 			bnx2x_warpcore_clear_regs(phy, params, lane);
4434 			if (vars->line_speed == SPEED_10000) {
4435 				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4436 				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4437 			} else {
4438 				if (SINGLE_MEDIA_DIRECT(params)) {
4439 					DP(NETIF_MSG_LINK, "1G Fiber\n");
4440 					fiber_mode = 1;
4441 				} else {
4442 					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4443 					fiber_mode = 0;
4444 				}
4445 				bnx2x_warpcore_set_sgmii_speed(phy,
4446 								params,
4447 								fiber_mode,
4448 								0);
4449 			}
4450 
4451 			break;
4452 
4453 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4454 			/* Issue Module detection */
4455 			if (bnx2x_is_sfp_module_plugged(phy, params))
4456 				bnx2x_sfp_module_detection(phy, params);
4457 
4458 			bnx2x_warpcore_config_sfi(phy, params);
4459 			break;
4460 
4461 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4462 			if (vars->line_speed != SPEED_20000) {
4463 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4464 				return;
4465 			}
4466 			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4467 			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4468 			/* Issue Module detection */
4469 
4470 			bnx2x_sfp_module_detection(phy, params);
4471 			break;
4472 
4473 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4474 			if (vars->line_speed != SPEED_20000) {
4475 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4476 				return;
4477 			}
4478 			DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4479 			bnx2x_warpcore_set_20G_KR2(bp, phy);
4480 			break;
4481 
4482 		default:
4483 			DP(NETIF_MSG_LINK,
4484 			   "Unsupported Serdes Net Interface 0x%x\n",
4485 			   serdes_net_if);
4486 			return;
4487 		}
4488 	}
4489 
4490 	/* Take lane out of reset after configuration is finished */
4491 	bnx2x_warpcore_reset_lane(bp, phy, 0);
4492 	DP(NETIF_MSG_LINK, "Exit config init\n");
4493 }
4494 
4495 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4496 					 struct bnx2x_phy *phy,
4497 					 u8 tx_en)
4498 {
4499 	struct bnx2x *bp = params->bp;
4500 	u32 cfg_pin;
4501 	u8 port = params->port;
4502 
4503 	cfg_pin = REG_RD(bp, params->shmem_base +
4504 				offsetof(struct shmem_region,
4505 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4506 				PORT_HW_CFG_TX_LASER_MASK;
4507 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4508 	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4509 	/* For 20G, the expected pin to be used is 3 pins after the current */
4510 
4511 	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4512 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4513 		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4514 }
4515 
4516 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4517 				      struct link_params *params)
4518 {
4519 	struct bnx2x *bp = params->bp;
4520 	u16 val16;
4521 	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4522 	bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4523 	bnx2x_set_aer_mmd(params, phy);
4524 	/* Global register */
4525 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4526 
4527 	/* Clear loopback settings (if any) */
4528 	/* 10G & 20G */
4529 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4530 			MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4531 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4532 			 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4533 			 0xBFFF);
4534 
4535 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4536 			MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4537 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4538 			MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4539 
4540 	/* Update those 1-copy registers */
4541 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4542 			  MDIO_AER_BLOCK_AER_REG, 0);
4543 	/* Enable 1G MDIO (1-copy) */
4544 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4545 			MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4546 			&val16);
4547 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4548 			 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4549 			 val16 & ~0x10);
4550 
4551 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4552 			MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4553 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4554 			 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4555 			 val16 & 0xff00);
4556 
4557 }
4558 
4559 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4560 					struct link_params *params)
4561 {
4562 	struct bnx2x *bp = params->bp;
4563 	u16 val16;
4564 	u32 lane;
4565 	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4566 		       params->loopback_mode, phy->req_line_speed);
4567 
4568 	if (phy->req_line_speed < SPEED_10000) {
4569 		/* 10/100/1000 */
4570 
4571 		/* Update those 1-copy registers */
4572 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4573 				  MDIO_AER_BLOCK_AER_REG, 0);
4574 		/* Enable 1G MDIO (1-copy) */
4575 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4576 					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4577 					 0x10);
4578 		/* Set 1G loopback based on lane (1-copy) */
4579 		lane = bnx2x_get_warpcore_lane(phy, params);
4580 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4581 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4582 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4583 				MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4584 				val16 | (1<<lane));
4585 
4586 		/* Switch back to 4-copy registers */
4587 		bnx2x_set_aer_mmd(params, phy);
4588 	} else {
4589 		/* 10G & 20G */
4590 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4591 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4592 					 0x4000);
4593 
4594 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4595 					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4596 	}
4597 }
4598 
4599 
4600 
4601 static void bnx2x_sync_link(struct link_params *params,
4602 			     struct link_vars *vars)
4603 {
4604 	struct bnx2x *bp = params->bp;
4605 	u8 link_10g_plus;
4606 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4607 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4608 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4609 	if (vars->link_up) {
4610 		DP(NETIF_MSG_LINK, "phy link up\n");
4611 
4612 		vars->phy_link_up = 1;
4613 		vars->duplex = DUPLEX_FULL;
4614 		switch (vars->link_status &
4615 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4616 		case LINK_10THD:
4617 			vars->duplex = DUPLEX_HALF;
4618 			/* Fall thru */
4619 		case LINK_10TFD:
4620 			vars->line_speed = SPEED_10;
4621 			break;
4622 
4623 		case LINK_100TXHD:
4624 			vars->duplex = DUPLEX_HALF;
4625 			/* Fall thru */
4626 		case LINK_100T4:
4627 		case LINK_100TXFD:
4628 			vars->line_speed = SPEED_100;
4629 			break;
4630 
4631 		case LINK_1000THD:
4632 			vars->duplex = DUPLEX_HALF;
4633 			/* Fall thru */
4634 		case LINK_1000TFD:
4635 			vars->line_speed = SPEED_1000;
4636 			break;
4637 
4638 		case LINK_2500THD:
4639 			vars->duplex = DUPLEX_HALF;
4640 			/* Fall thru */
4641 		case LINK_2500TFD:
4642 			vars->line_speed = SPEED_2500;
4643 			break;
4644 
4645 		case LINK_10GTFD:
4646 			vars->line_speed = SPEED_10000;
4647 			break;
4648 		case LINK_20GTFD:
4649 			vars->line_speed = SPEED_20000;
4650 			break;
4651 		default:
4652 			break;
4653 		}
4654 		vars->flow_ctrl = 0;
4655 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4656 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4657 
4658 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4659 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4660 
4661 		if (!vars->flow_ctrl)
4662 			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4663 
4664 		if (vars->line_speed &&
4665 		    ((vars->line_speed == SPEED_10) ||
4666 		     (vars->line_speed == SPEED_100))) {
4667 			vars->phy_flags |= PHY_SGMII_FLAG;
4668 		} else {
4669 			vars->phy_flags &= ~PHY_SGMII_FLAG;
4670 		}
4671 		if (vars->line_speed &&
4672 		    USES_WARPCORE(bp) &&
4673 		    (vars->line_speed == SPEED_1000))
4674 			vars->phy_flags |= PHY_SGMII_FLAG;
4675 		/* Anything 10 and over uses the bmac */
4676 		link_10g_plus = (vars->line_speed >= SPEED_10000);
4677 
4678 		if (link_10g_plus) {
4679 			if (USES_WARPCORE(bp))
4680 				vars->mac_type = MAC_TYPE_XMAC;
4681 			else
4682 				vars->mac_type = MAC_TYPE_BMAC;
4683 		} else {
4684 			if (USES_WARPCORE(bp))
4685 				vars->mac_type = MAC_TYPE_UMAC;
4686 			else
4687 				vars->mac_type = MAC_TYPE_EMAC;
4688 		}
4689 	} else { /* Link down */
4690 		DP(NETIF_MSG_LINK, "phy link down\n");
4691 
4692 		vars->phy_link_up = 0;
4693 
4694 		vars->line_speed = 0;
4695 		vars->duplex = DUPLEX_FULL;
4696 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4697 
4698 		/* Indicate no mac active */
4699 		vars->mac_type = MAC_TYPE_NONE;
4700 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4701 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4702 		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4703 			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4704 	}
4705 }
4706 
4707 void bnx2x_link_status_update(struct link_params *params,
4708 			      struct link_vars *vars)
4709 {
4710 	struct bnx2x *bp = params->bp;
4711 	u8 port = params->port;
4712 	u32 sync_offset, media_types;
4713 	/* Update PHY configuration */
4714 	set_phy_vars(params, vars);
4715 
4716 	vars->link_status = REG_RD(bp, params->shmem_base +
4717 				   offsetof(struct shmem_region,
4718 					    port_mb[port].link_status));
4719 
4720 	vars->phy_flags = PHY_XGXS_FLAG;
4721 	bnx2x_sync_link(params, vars);
4722 	/* Sync media type */
4723 	sync_offset = params->shmem_base +
4724 			offsetof(struct shmem_region,
4725 				 dev_info.port_hw_config[port].media_type);
4726 	media_types = REG_RD(bp, sync_offset);
4727 
4728 	params->phy[INT_PHY].media_type =
4729 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4730 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4731 	params->phy[EXT_PHY1].media_type =
4732 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4733 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4734 	params->phy[EXT_PHY2].media_type =
4735 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4736 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4737 	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4738 
4739 	/* Sync AEU offset */
4740 	sync_offset = params->shmem_base +
4741 			offsetof(struct shmem_region,
4742 				 dev_info.port_hw_config[port].aeu_int_mask);
4743 
4744 	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4745 
4746 	/* Sync PFC status */
4747 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4748 		params->feature_config_flags |=
4749 					FEATURE_CONFIG_PFC_ENABLED;
4750 	else
4751 		params->feature_config_flags &=
4752 					~FEATURE_CONFIG_PFC_ENABLED;
4753 
4754 	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4755 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4756 	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4757 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4758 }
4759 
4760 static void bnx2x_set_master_ln(struct link_params *params,
4761 				struct bnx2x_phy *phy)
4762 {
4763 	struct bnx2x *bp = params->bp;
4764 	u16 new_master_ln, ser_lane;
4765 	ser_lane = ((params->lane_config &
4766 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4767 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4768 
4769 	/* Set the master_ln for AN */
4770 	CL22_RD_OVER_CL45(bp, phy,
4771 			  MDIO_REG_BANK_XGXS_BLOCK2,
4772 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4773 			  &new_master_ln);
4774 
4775 	CL22_WR_OVER_CL45(bp, phy,
4776 			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4777 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4778 			  (new_master_ln | ser_lane));
4779 }
4780 
4781 static int bnx2x_reset_unicore(struct link_params *params,
4782 			       struct bnx2x_phy *phy,
4783 			       u8 set_serdes)
4784 {
4785 	struct bnx2x *bp = params->bp;
4786 	u16 mii_control;
4787 	u16 i;
4788 	CL22_RD_OVER_CL45(bp, phy,
4789 			  MDIO_REG_BANK_COMBO_IEEE0,
4790 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4791 
4792 	/* Reset the unicore */
4793 	CL22_WR_OVER_CL45(bp, phy,
4794 			  MDIO_REG_BANK_COMBO_IEEE0,
4795 			  MDIO_COMBO_IEEE0_MII_CONTROL,
4796 			  (mii_control |
4797 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4798 	if (set_serdes)
4799 		bnx2x_set_serdes_access(bp, params->port);
4800 
4801 	/* Wait for the reset to self clear */
4802 	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4803 		udelay(5);
4804 
4805 		/* The reset erased the previous bank value */
4806 		CL22_RD_OVER_CL45(bp, phy,
4807 				  MDIO_REG_BANK_COMBO_IEEE0,
4808 				  MDIO_COMBO_IEEE0_MII_CONTROL,
4809 				  &mii_control);
4810 
4811 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4812 			udelay(5);
4813 			return 0;
4814 		}
4815 	}
4816 
4817 	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4818 			      " Port %d\n",
4819 			 params->port);
4820 	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4821 	return -EINVAL;
4822 
4823 }
4824 
4825 static void bnx2x_set_swap_lanes(struct link_params *params,
4826 				 struct bnx2x_phy *phy)
4827 {
4828 	struct bnx2x *bp = params->bp;
4829 	/* Each two bits represents a lane number:
4830 	 * No swap is 0123 => 0x1b no need to enable the swap
4831 	 */
4832 	u16 rx_lane_swap, tx_lane_swap;
4833 
4834 	rx_lane_swap = ((params->lane_config &
4835 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4836 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4837 	tx_lane_swap = ((params->lane_config &
4838 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4839 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4840 
4841 	if (rx_lane_swap != 0x1b) {
4842 		CL22_WR_OVER_CL45(bp, phy,
4843 				  MDIO_REG_BANK_XGXS_BLOCK2,
4844 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4845 				  (rx_lane_swap |
4846 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4847 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4848 	} else {
4849 		CL22_WR_OVER_CL45(bp, phy,
4850 				  MDIO_REG_BANK_XGXS_BLOCK2,
4851 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4852 	}
4853 
4854 	if (tx_lane_swap != 0x1b) {
4855 		CL22_WR_OVER_CL45(bp, phy,
4856 				  MDIO_REG_BANK_XGXS_BLOCK2,
4857 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4858 				  (tx_lane_swap |
4859 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4860 	} else {
4861 		CL22_WR_OVER_CL45(bp, phy,
4862 				  MDIO_REG_BANK_XGXS_BLOCK2,
4863 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4864 	}
4865 }
4866 
4867 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4868 					 struct link_params *params)
4869 {
4870 	struct bnx2x *bp = params->bp;
4871 	u16 control2;
4872 	CL22_RD_OVER_CL45(bp, phy,
4873 			  MDIO_REG_BANK_SERDES_DIGITAL,
4874 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4875 			  &control2);
4876 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4877 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4878 	else
4879 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4880 	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4881 		phy->speed_cap_mask, control2);
4882 	CL22_WR_OVER_CL45(bp, phy,
4883 			  MDIO_REG_BANK_SERDES_DIGITAL,
4884 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4885 			  control2);
4886 
4887 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4888 	     (phy->speed_cap_mask &
4889 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4890 		DP(NETIF_MSG_LINK, "XGXS\n");
4891 
4892 		CL22_WR_OVER_CL45(bp, phy,
4893 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4894 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4895 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4896 
4897 		CL22_RD_OVER_CL45(bp, phy,
4898 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4899 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4900 				  &control2);
4901 
4902 
4903 		control2 |=
4904 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4905 
4906 		CL22_WR_OVER_CL45(bp, phy,
4907 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4908 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4909 				  control2);
4910 
4911 		/* Disable parallel detection of HiG */
4912 		CL22_WR_OVER_CL45(bp, phy,
4913 				  MDIO_REG_BANK_XGXS_BLOCK2,
4914 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4915 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4916 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4917 	}
4918 }
4919 
4920 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4921 			      struct link_params *params,
4922 			      struct link_vars *vars,
4923 			      u8 enable_cl73)
4924 {
4925 	struct bnx2x *bp = params->bp;
4926 	u16 reg_val;
4927 
4928 	/* CL37 Autoneg */
4929 	CL22_RD_OVER_CL45(bp, phy,
4930 			  MDIO_REG_BANK_COMBO_IEEE0,
4931 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
4932 
4933 	/* CL37 Autoneg Enabled */
4934 	if (vars->line_speed == SPEED_AUTO_NEG)
4935 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4936 	else /* CL37 Autoneg Disabled */
4937 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4938 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4939 
4940 	CL22_WR_OVER_CL45(bp, phy,
4941 			  MDIO_REG_BANK_COMBO_IEEE0,
4942 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
4943 
4944 	/* Enable/Disable Autodetection */
4945 
4946 	CL22_RD_OVER_CL45(bp, phy,
4947 			  MDIO_REG_BANK_SERDES_DIGITAL,
4948 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4949 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4950 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4951 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
4952 	if (vars->line_speed == SPEED_AUTO_NEG)
4953 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4954 	else
4955 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4956 
4957 	CL22_WR_OVER_CL45(bp, phy,
4958 			  MDIO_REG_BANK_SERDES_DIGITAL,
4959 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
4960 
4961 	/* Enable TetonII and BAM autoneg */
4962 	CL22_RD_OVER_CL45(bp, phy,
4963 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
4964 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4965 			  &reg_val);
4966 	if (vars->line_speed == SPEED_AUTO_NEG) {
4967 		/* Enable BAM aneg Mode and TetonII aneg Mode */
4968 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4969 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4970 	} else {
4971 		/* TetonII and BAM Autoneg Disabled */
4972 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4973 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4974 	}
4975 	CL22_WR_OVER_CL45(bp, phy,
4976 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
4977 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4978 			  reg_val);
4979 
4980 	if (enable_cl73) {
4981 		/* Enable Cl73 FSM status bits */
4982 		CL22_WR_OVER_CL45(bp, phy,
4983 				  MDIO_REG_BANK_CL73_USERB0,
4984 				  MDIO_CL73_USERB0_CL73_UCTRL,
4985 				  0xe);
4986 
4987 		/* Enable BAM Station Manager*/
4988 		CL22_WR_OVER_CL45(bp, phy,
4989 			MDIO_REG_BANK_CL73_USERB0,
4990 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4991 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4992 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4993 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4994 
4995 		/* Advertise CL73 link speeds */
4996 		CL22_RD_OVER_CL45(bp, phy,
4997 				  MDIO_REG_BANK_CL73_IEEEB1,
4998 				  MDIO_CL73_IEEEB1_AN_ADV2,
4999 				  &reg_val);
5000 		if (phy->speed_cap_mask &
5001 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5002 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5003 		if (phy->speed_cap_mask &
5004 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5005 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5006 
5007 		CL22_WR_OVER_CL45(bp, phy,
5008 				  MDIO_REG_BANK_CL73_IEEEB1,
5009 				  MDIO_CL73_IEEEB1_AN_ADV2,
5010 				  reg_val);
5011 
5012 		/* CL73 Autoneg Enabled */
5013 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5014 
5015 	} else /* CL73 Autoneg Disabled */
5016 		reg_val = 0;
5017 
5018 	CL22_WR_OVER_CL45(bp, phy,
5019 			  MDIO_REG_BANK_CL73_IEEEB0,
5020 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5021 }
5022 
5023 /* Program SerDes, forced speed */
5024 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5025 				 struct link_params *params,
5026 				 struct link_vars *vars)
5027 {
5028 	struct bnx2x *bp = params->bp;
5029 	u16 reg_val;
5030 
5031 	/* Program duplex, disable autoneg and sgmii*/
5032 	CL22_RD_OVER_CL45(bp, phy,
5033 			  MDIO_REG_BANK_COMBO_IEEE0,
5034 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5035 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5036 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5037 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5038 	if (phy->req_duplex == DUPLEX_FULL)
5039 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5040 	CL22_WR_OVER_CL45(bp, phy,
5041 			  MDIO_REG_BANK_COMBO_IEEE0,
5042 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5043 
5044 	/* Program speed
5045 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5046 	 */
5047 	CL22_RD_OVER_CL45(bp, phy,
5048 			  MDIO_REG_BANK_SERDES_DIGITAL,
5049 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5050 	/* Clearing the speed value before setting the right speed */
5051 	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5052 
5053 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5054 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5055 
5056 	if (!((vars->line_speed == SPEED_1000) ||
5057 	      (vars->line_speed == SPEED_100) ||
5058 	      (vars->line_speed == SPEED_10))) {
5059 
5060 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5061 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5062 		if (vars->line_speed == SPEED_10000)
5063 			reg_val |=
5064 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5065 	}
5066 
5067 	CL22_WR_OVER_CL45(bp, phy,
5068 			  MDIO_REG_BANK_SERDES_DIGITAL,
5069 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5070 
5071 }
5072 
5073 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5074 					      struct link_params *params)
5075 {
5076 	struct bnx2x *bp = params->bp;
5077 	u16 val = 0;
5078 
5079 	/* Set extended capabilities */
5080 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5081 		val |= MDIO_OVER_1G_UP1_2_5G;
5082 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5083 		val |= MDIO_OVER_1G_UP1_10G;
5084 	CL22_WR_OVER_CL45(bp, phy,
5085 			  MDIO_REG_BANK_OVER_1G,
5086 			  MDIO_OVER_1G_UP1, val);
5087 
5088 	CL22_WR_OVER_CL45(bp, phy,
5089 			  MDIO_REG_BANK_OVER_1G,
5090 			  MDIO_OVER_1G_UP3, 0x400);
5091 }
5092 
5093 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5094 					      struct link_params *params,
5095 					      u16 ieee_fc)
5096 {
5097 	struct bnx2x *bp = params->bp;
5098 	u16 val;
5099 	/* For AN, we are always publishing full duplex */
5100 
5101 	CL22_WR_OVER_CL45(bp, phy,
5102 			  MDIO_REG_BANK_COMBO_IEEE0,
5103 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5104 	CL22_RD_OVER_CL45(bp, phy,
5105 			  MDIO_REG_BANK_CL73_IEEEB1,
5106 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5107 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5108 	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5109 	CL22_WR_OVER_CL45(bp, phy,
5110 			  MDIO_REG_BANK_CL73_IEEEB1,
5111 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5112 }
5113 
5114 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5115 				  struct link_params *params,
5116 				  u8 enable_cl73)
5117 {
5118 	struct bnx2x *bp = params->bp;
5119 	u16 mii_control;
5120 
5121 	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5122 	/* Enable and restart BAM/CL37 aneg */
5123 
5124 	if (enable_cl73) {
5125 		CL22_RD_OVER_CL45(bp, phy,
5126 				  MDIO_REG_BANK_CL73_IEEEB0,
5127 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5128 				  &mii_control);
5129 
5130 		CL22_WR_OVER_CL45(bp, phy,
5131 				  MDIO_REG_BANK_CL73_IEEEB0,
5132 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5133 				  (mii_control |
5134 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5135 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5136 	} else {
5137 
5138 		CL22_RD_OVER_CL45(bp, phy,
5139 				  MDIO_REG_BANK_COMBO_IEEE0,
5140 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5141 				  &mii_control);
5142 		DP(NETIF_MSG_LINK,
5143 			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5144 			 mii_control);
5145 		CL22_WR_OVER_CL45(bp, phy,
5146 				  MDIO_REG_BANK_COMBO_IEEE0,
5147 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5148 				  (mii_control |
5149 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5150 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5151 	}
5152 }
5153 
5154 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5155 					   struct link_params *params,
5156 					   struct link_vars *vars)
5157 {
5158 	struct bnx2x *bp = params->bp;
5159 	u16 control1;
5160 
5161 	/* In SGMII mode, the unicore is always slave */
5162 
5163 	CL22_RD_OVER_CL45(bp, phy,
5164 			  MDIO_REG_BANK_SERDES_DIGITAL,
5165 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5166 			  &control1);
5167 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5168 	/* Set sgmii mode (and not fiber) */
5169 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5170 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5171 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5172 	CL22_WR_OVER_CL45(bp, phy,
5173 			  MDIO_REG_BANK_SERDES_DIGITAL,
5174 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5175 			  control1);
5176 
5177 	/* If forced speed */
5178 	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5179 		/* Set speed, disable autoneg */
5180 		u16 mii_control;
5181 
5182 		CL22_RD_OVER_CL45(bp, phy,
5183 				  MDIO_REG_BANK_COMBO_IEEE0,
5184 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5185 				  &mii_control);
5186 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5187 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5188 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5189 
5190 		switch (vars->line_speed) {
5191 		case SPEED_100:
5192 			mii_control |=
5193 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5194 			break;
5195 		case SPEED_1000:
5196 			mii_control |=
5197 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5198 			break;
5199 		case SPEED_10:
5200 			/* There is nothing to set for 10M */
5201 			break;
5202 		default:
5203 			/* Invalid speed for SGMII */
5204 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5205 				  vars->line_speed);
5206 			break;
5207 		}
5208 
5209 		/* Setting the full duplex */
5210 		if (phy->req_duplex == DUPLEX_FULL)
5211 			mii_control |=
5212 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5213 		CL22_WR_OVER_CL45(bp, phy,
5214 				  MDIO_REG_BANK_COMBO_IEEE0,
5215 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5216 				  mii_control);
5217 
5218 	} else { /* AN mode */
5219 		/* Enable and restart AN */
5220 		bnx2x_restart_autoneg(phy, params, 0);
5221 	}
5222 }
5223 
5224 /* Link management
5225  */
5226 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5227 					     struct link_params *params)
5228 {
5229 	struct bnx2x *bp = params->bp;
5230 	u16 pd_10g, status2_1000x;
5231 	if (phy->req_line_speed != SPEED_AUTO_NEG)
5232 		return 0;
5233 	CL22_RD_OVER_CL45(bp, phy,
5234 			  MDIO_REG_BANK_SERDES_DIGITAL,
5235 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5236 			  &status2_1000x);
5237 	CL22_RD_OVER_CL45(bp, phy,
5238 			  MDIO_REG_BANK_SERDES_DIGITAL,
5239 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5240 			  &status2_1000x);
5241 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5242 		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5243 			 params->port);
5244 		return 1;
5245 	}
5246 
5247 	CL22_RD_OVER_CL45(bp, phy,
5248 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5249 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5250 			  &pd_10g);
5251 
5252 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5253 		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5254 			 params->port);
5255 		return 1;
5256 	}
5257 	return 0;
5258 }
5259 
5260 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5261 				struct link_params *params,
5262 				struct link_vars *vars,
5263 				u32 gp_status)
5264 {
5265 	u16 ld_pause;   /* local driver */
5266 	u16 lp_pause;   /* link partner */
5267 	u16 pause_result;
5268 	struct bnx2x *bp = params->bp;
5269 	if ((gp_status &
5270 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5271 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5272 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5273 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5274 
5275 		CL22_RD_OVER_CL45(bp, phy,
5276 				  MDIO_REG_BANK_CL73_IEEEB1,
5277 				  MDIO_CL73_IEEEB1_AN_ADV1,
5278 				  &ld_pause);
5279 		CL22_RD_OVER_CL45(bp, phy,
5280 				  MDIO_REG_BANK_CL73_IEEEB1,
5281 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5282 				  &lp_pause);
5283 		pause_result = (ld_pause &
5284 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5285 		pause_result |= (lp_pause &
5286 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5287 		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5288 	} else {
5289 		CL22_RD_OVER_CL45(bp, phy,
5290 				  MDIO_REG_BANK_COMBO_IEEE0,
5291 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5292 				  &ld_pause);
5293 		CL22_RD_OVER_CL45(bp, phy,
5294 			MDIO_REG_BANK_COMBO_IEEE0,
5295 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5296 			&lp_pause);
5297 		pause_result = (ld_pause &
5298 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5299 		pause_result |= (lp_pause &
5300 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5301 		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5302 	}
5303 	bnx2x_pause_resolve(vars, pause_result);
5304 
5305 }
5306 
5307 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5308 				    struct link_params *params,
5309 				    struct link_vars *vars,
5310 				    u32 gp_status)
5311 {
5312 	struct bnx2x *bp = params->bp;
5313 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5314 
5315 	/* Resolve from gp_status in case of AN complete and not sgmii */
5316 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5317 		/* Update the advertised flow-controled of LD/LP in AN */
5318 		if (phy->req_line_speed == SPEED_AUTO_NEG)
5319 			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5320 		/* But set the flow-control result as the requested one */
5321 		vars->flow_ctrl = phy->req_flow_ctrl;
5322 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5323 		vars->flow_ctrl = params->req_fc_auto_adv;
5324 	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5325 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5326 		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5327 			vars->flow_ctrl = params->req_fc_auto_adv;
5328 			return;
5329 		}
5330 		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5331 	}
5332 	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5333 }
5334 
5335 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5336 					 struct link_params *params)
5337 {
5338 	struct bnx2x *bp = params->bp;
5339 	u16 rx_status, ustat_val, cl37_fsm_received;
5340 	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5341 	/* Step 1: Make sure signal is detected */
5342 	CL22_RD_OVER_CL45(bp, phy,
5343 			  MDIO_REG_BANK_RX0,
5344 			  MDIO_RX0_RX_STATUS,
5345 			  &rx_status);
5346 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5347 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5348 		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5349 			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5350 		CL22_WR_OVER_CL45(bp, phy,
5351 				  MDIO_REG_BANK_CL73_IEEEB0,
5352 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5353 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5354 		return;
5355 	}
5356 	/* Step 2: Check CL73 state machine */
5357 	CL22_RD_OVER_CL45(bp, phy,
5358 			  MDIO_REG_BANK_CL73_USERB0,
5359 			  MDIO_CL73_USERB0_CL73_USTAT1,
5360 			  &ustat_val);
5361 	if ((ustat_val &
5362 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5363 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5364 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5365 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5366 		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5367 			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5368 		return;
5369 	}
5370 	/* Step 3: Check CL37 Message Pages received to indicate LP
5371 	 * supports only CL37
5372 	 */
5373 	CL22_RD_OVER_CL45(bp, phy,
5374 			  MDIO_REG_BANK_REMOTE_PHY,
5375 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5376 			  &cl37_fsm_received);
5377 	if ((cl37_fsm_received &
5378 	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5379 	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5380 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5381 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5382 		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5383 			     "misc_rx_status(0x8330) = 0x%x\n",
5384 			 cl37_fsm_received);
5385 		return;
5386 	}
5387 	/* The combined cl37/cl73 fsm state information indicating that
5388 	 * we are connected to a device which does not support cl73, but
5389 	 * does support cl37 BAM. In this case we disable cl73 and
5390 	 * restart cl37 auto-neg
5391 	 */
5392 
5393 	/* Disable CL73 */
5394 	CL22_WR_OVER_CL45(bp, phy,
5395 			  MDIO_REG_BANK_CL73_IEEEB0,
5396 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5397 			  0);
5398 	/* Restart CL37 autoneg */
5399 	bnx2x_restart_autoneg(phy, params, 0);
5400 	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5401 }
5402 
5403 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5404 				  struct link_params *params,
5405 				  struct link_vars *vars,
5406 				  u32 gp_status)
5407 {
5408 	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5409 		vars->link_status |=
5410 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5411 
5412 	if (bnx2x_direct_parallel_detect_used(phy, params))
5413 		vars->link_status |=
5414 			LINK_STATUS_PARALLEL_DETECTION_USED;
5415 }
5416 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5417 				     struct link_params *params,
5418 				      struct link_vars *vars,
5419 				      u16 is_link_up,
5420 				      u16 speed_mask,
5421 				      u16 is_duplex)
5422 {
5423 	struct bnx2x *bp = params->bp;
5424 	if (phy->req_line_speed == SPEED_AUTO_NEG)
5425 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5426 	if (is_link_up) {
5427 		DP(NETIF_MSG_LINK, "phy link up\n");
5428 
5429 		vars->phy_link_up = 1;
5430 		vars->link_status |= LINK_STATUS_LINK_UP;
5431 
5432 		switch (speed_mask) {
5433 		case GP_STATUS_10M:
5434 			vars->line_speed = SPEED_10;
5435 			if (vars->duplex == DUPLEX_FULL)
5436 				vars->link_status |= LINK_10TFD;
5437 			else
5438 				vars->link_status |= LINK_10THD;
5439 			break;
5440 
5441 		case GP_STATUS_100M:
5442 			vars->line_speed = SPEED_100;
5443 			if (vars->duplex == DUPLEX_FULL)
5444 				vars->link_status |= LINK_100TXFD;
5445 			else
5446 				vars->link_status |= LINK_100TXHD;
5447 			break;
5448 
5449 		case GP_STATUS_1G:
5450 		case GP_STATUS_1G_KX:
5451 			vars->line_speed = SPEED_1000;
5452 			if (vars->duplex == DUPLEX_FULL)
5453 				vars->link_status |= LINK_1000TFD;
5454 			else
5455 				vars->link_status |= LINK_1000THD;
5456 			break;
5457 
5458 		case GP_STATUS_2_5G:
5459 			vars->line_speed = SPEED_2500;
5460 			if (vars->duplex == DUPLEX_FULL)
5461 				vars->link_status |= LINK_2500TFD;
5462 			else
5463 				vars->link_status |= LINK_2500THD;
5464 			break;
5465 
5466 		case GP_STATUS_5G:
5467 		case GP_STATUS_6G:
5468 			DP(NETIF_MSG_LINK,
5469 				 "link speed unsupported  gp_status 0x%x\n",
5470 				  speed_mask);
5471 			return -EINVAL;
5472 
5473 		case GP_STATUS_10G_KX4:
5474 		case GP_STATUS_10G_HIG:
5475 		case GP_STATUS_10G_CX4:
5476 		case GP_STATUS_10G_KR:
5477 		case GP_STATUS_10G_SFI:
5478 		case GP_STATUS_10G_XFI:
5479 			vars->line_speed = SPEED_10000;
5480 			vars->link_status |= LINK_10GTFD;
5481 			break;
5482 		case GP_STATUS_20G_DXGXS:
5483 			vars->line_speed = SPEED_20000;
5484 			vars->link_status |= LINK_20GTFD;
5485 			break;
5486 		default:
5487 			DP(NETIF_MSG_LINK,
5488 				  "link speed unsupported gp_status 0x%x\n",
5489 				  speed_mask);
5490 			return -EINVAL;
5491 		}
5492 	} else { /* link_down */
5493 		DP(NETIF_MSG_LINK, "phy link down\n");
5494 
5495 		vars->phy_link_up = 0;
5496 
5497 		vars->duplex = DUPLEX_FULL;
5498 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5499 		vars->mac_type = MAC_TYPE_NONE;
5500 	}
5501 	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5502 		    vars->phy_link_up, vars->line_speed);
5503 	return 0;
5504 }
5505 
5506 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5507 				      struct link_params *params,
5508 				      struct link_vars *vars)
5509 {
5510 	struct bnx2x *bp = params->bp;
5511 
5512 	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5513 	int rc = 0;
5514 
5515 	/* Read gp_status */
5516 	CL22_RD_OVER_CL45(bp, phy,
5517 			  MDIO_REG_BANK_GP_STATUS,
5518 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5519 			  &gp_status);
5520 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5521 		duplex = DUPLEX_FULL;
5522 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5523 		link_up = 1;
5524 	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5525 	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5526 		       gp_status, link_up, speed_mask);
5527 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5528 					 duplex);
5529 	if (rc == -EINVAL)
5530 		return rc;
5531 
5532 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5533 		if (SINGLE_MEDIA_DIRECT(params)) {
5534 			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5535 			if (phy->req_line_speed == SPEED_AUTO_NEG)
5536 				bnx2x_xgxs_an_resolve(phy, params, vars,
5537 						      gp_status);
5538 		}
5539 	} else { /* Link_down */
5540 		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5541 		    SINGLE_MEDIA_DIRECT(params)) {
5542 			/* Check signal is detected */
5543 			bnx2x_check_fallback_to_cl37(phy, params);
5544 		}
5545 	}
5546 
5547 	/* Read LP advertised speeds*/
5548 	if (SINGLE_MEDIA_DIRECT(params) &&
5549 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5550 		u16 val;
5551 
5552 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5553 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5554 
5555 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5556 			vars->link_status |=
5557 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5558 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5559 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5560 			vars->link_status |=
5561 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5562 
5563 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5564 				  MDIO_OVER_1G_LP_UP1, &val);
5565 
5566 		if (val & MDIO_OVER_1G_UP1_2_5G)
5567 			vars->link_status |=
5568 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5569 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5570 			vars->link_status |=
5571 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5572 	}
5573 
5574 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5575 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5576 	return rc;
5577 }
5578 
5579 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5580 				     struct link_params *params,
5581 				     struct link_vars *vars)
5582 {
5583 	struct bnx2x *bp = params->bp;
5584 	u8 lane;
5585 	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5586 	int rc = 0;
5587 	lane = bnx2x_get_warpcore_lane(phy, params);
5588 	/* Read gp_status */
5589 	if (phy->req_line_speed > SPEED_10000) {
5590 		u16 temp_link_up;
5591 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5592 				1, &temp_link_up);
5593 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5594 				1, &link_up);
5595 		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5596 			       temp_link_up, link_up);
5597 		link_up &= (1<<2);
5598 		if (link_up)
5599 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5600 	} else {
5601 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5602 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5603 		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5604 		/* Check for either KR or generic link up. */
5605 		gp_status1 = ((gp_status1 >> 8) & 0xf) |
5606 			((gp_status1 >> 12) & 0xf);
5607 		link_up = gp_status1 & (1 << lane);
5608 		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5609 			u16 pd, gp_status4;
5610 			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5611 				/* Check Autoneg complete */
5612 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5613 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5614 						&gp_status4);
5615 				if (gp_status4 & ((1<<12)<<lane))
5616 					vars->link_status |=
5617 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5618 
5619 				/* Check parallel detect used */
5620 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5621 						MDIO_WC_REG_PAR_DET_10G_STATUS,
5622 						&pd);
5623 				if (pd & (1<<15))
5624 					vars->link_status |=
5625 					LINK_STATUS_PARALLEL_DETECTION_USED;
5626 			}
5627 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5628 		}
5629 	}
5630 
5631 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5632 	    SINGLE_MEDIA_DIRECT(params)) {
5633 		u16 val;
5634 
5635 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5636 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5637 
5638 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5639 			vars->link_status |=
5640 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5641 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5642 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5643 			vars->link_status |=
5644 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5645 
5646 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5647 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5648 
5649 		if (val & MDIO_OVER_1G_UP1_2_5G)
5650 			vars->link_status |=
5651 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5652 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5653 			vars->link_status |=
5654 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5655 
5656 	}
5657 
5658 
5659 	if (lane < 2) {
5660 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5661 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5662 	} else {
5663 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5664 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5665 	}
5666 	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5667 
5668 	if ((lane & 1) == 0)
5669 		gp_speed <<= 8;
5670 	gp_speed &= 0x3f00;
5671 
5672 
5673 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5674 					 duplex);
5675 
5676 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5677 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5678 	return rc;
5679 }
5680 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5681 {
5682 	struct bnx2x *bp = params->bp;
5683 	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5684 	u16 lp_up2;
5685 	u16 tx_driver;
5686 	u16 bank;
5687 
5688 	/* Read precomp */
5689 	CL22_RD_OVER_CL45(bp, phy,
5690 			  MDIO_REG_BANK_OVER_1G,
5691 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5692 
5693 	/* Bits [10:7] at lp_up2, positioned at [15:12] */
5694 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5695 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5696 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5697 
5698 	if (lp_up2 == 0)
5699 		return;
5700 
5701 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5702 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5703 		CL22_RD_OVER_CL45(bp, phy,
5704 				  bank,
5705 				  MDIO_TX0_TX_DRIVER, &tx_driver);
5706 
5707 		/* Replace tx_driver bits [15:12] */
5708 		if (lp_up2 !=
5709 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5710 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5711 			tx_driver |= lp_up2;
5712 			CL22_WR_OVER_CL45(bp, phy,
5713 					  bank,
5714 					  MDIO_TX0_TX_DRIVER, tx_driver);
5715 		}
5716 	}
5717 }
5718 
5719 static int bnx2x_emac_program(struct link_params *params,
5720 			      struct link_vars *vars)
5721 {
5722 	struct bnx2x *bp = params->bp;
5723 	u8 port = params->port;
5724 	u16 mode = 0;
5725 
5726 	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5727 	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5728 		       EMAC_REG_EMAC_MODE,
5729 		       (EMAC_MODE_25G_MODE |
5730 			EMAC_MODE_PORT_MII_10M |
5731 			EMAC_MODE_HALF_DUPLEX));
5732 	switch (vars->line_speed) {
5733 	case SPEED_10:
5734 		mode |= EMAC_MODE_PORT_MII_10M;
5735 		break;
5736 
5737 	case SPEED_100:
5738 		mode |= EMAC_MODE_PORT_MII;
5739 		break;
5740 
5741 	case SPEED_1000:
5742 		mode |= EMAC_MODE_PORT_GMII;
5743 		break;
5744 
5745 	case SPEED_2500:
5746 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5747 		break;
5748 
5749 	default:
5750 		/* 10G not valid for EMAC */
5751 		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5752 			   vars->line_speed);
5753 		return -EINVAL;
5754 	}
5755 
5756 	if (vars->duplex == DUPLEX_HALF)
5757 		mode |= EMAC_MODE_HALF_DUPLEX;
5758 	bnx2x_bits_en(bp,
5759 		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5760 		      mode);
5761 
5762 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5763 	return 0;
5764 }
5765 
5766 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5767 				  struct link_params *params)
5768 {
5769 
5770 	u16 bank, i = 0;
5771 	struct bnx2x *bp = params->bp;
5772 
5773 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5774 	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5775 			CL22_WR_OVER_CL45(bp, phy,
5776 					  bank,
5777 					  MDIO_RX0_RX_EQ_BOOST,
5778 					  phy->rx_preemphasis[i]);
5779 	}
5780 
5781 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5782 		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5783 			CL22_WR_OVER_CL45(bp, phy,
5784 					  bank,
5785 					  MDIO_TX0_TX_DRIVER,
5786 					  phy->tx_preemphasis[i]);
5787 	}
5788 }
5789 
5790 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5791 				   struct link_params *params,
5792 				   struct link_vars *vars)
5793 {
5794 	struct bnx2x *bp = params->bp;
5795 	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5796 			  (params->loopback_mode == LOOPBACK_XGXS));
5797 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5798 		if (SINGLE_MEDIA_DIRECT(params) &&
5799 		    (params->feature_config_flags &
5800 		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5801 			bnx2x_set_preemphasis(phy, params);
5802 
5803 		/* Forced speed requested? */
5804 		if (vars->line_speed != SPEED_AUTO_NEG ||
5805 		    (SINGLE_MEDIA_DIRECT(params) &&
5806 		     params->loopback_mode == LOOPBACK_EXT)) {
5807 			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5808 
5809 			/* Disable autoneg */
5810 			bnx2x_set_autoneg(phy, params, vars, 0);
5811 
5812 			/* Program speed and duplex */
5813 			bnx2x_program_serdes(phy, params, vars);
5814 
5815 		} else { /* AN_mode */
5816 			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5817 
5818 			/* AN enabled */
5819 			bnx2x_set_brcm_cl37_advertisement(phy, params);
5820 
5821 			/* Program duplex & pause advertisement (for aneg) */
5822 			bnx2x_set_ieee_aneg_advertisement(phy, params,
5823 							  vars->ieee_fc);
5824 
5825 			/* Enable autoneg */
5826 			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5827 
5828 			/* Enable and restart AN */
5829 			bnx2x_restart_autoneg(phy, params, enable_cl73);
5830 		}
5831 
5832 	} else { /* SGMII mode */
5833 		DP(NETIF_MSG_LINK, "SGMII\n");
5834 
5835 		bnx2x_initialize_sgmii_process(phy, params, vars);
5836 	}
5837 }
5838 
5839 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5840 			  struct link_params *params,
5841 			  struct link_vars *vars)
5842 {
5843 	int rc;
5844 	vars->phy_flags |= PHY_XGXS_FLAG;
5845 	if ((phy->req_line_speed &&
5846 	     ((phy->req_line_speed == SPEED_100) ||
5847 	      (phy->req_line_speed == SPEED_10))) ||
5848 	    (!phy->req_line_speed &&
5849 	     (phy->speed_cap_mask >=
5850 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5851 	     (phy->speed_cap_mask <
5852 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5853 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5854 		vars->phy_flags |= PHY_SGMII_FLAG;
5855 	else
5856 		vars->phy_flags &= ~PHY_SGMII_FLAG;
5857 
5858 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5859 	bnx2x_set_aer_mmd(params, phy);
5860 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5861 		bnx2x_set_master_ln(params, phy);
5862 
5863 	rc = bnx2x_reset_unicore(params, phy, 0);
5864 	/* Reset the SerDes and wait for reset bit return low */
5865 	if (rc)
5866 		return rc;
5867 
5868 	bnx2x_set_aer_mmd(params, phy);
5869 	/* Setting the masterLn_def again after the reset */
5870 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5871 		bnx2x_set_master_ln(params, phy);
5872 		bnx2x_set_swap_lanes(params, phy);
5873 	}
5874 
5875 	return rc;
5876 }
5877 
5878 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5879 				     struct bnx2x_phy *phy,
5880 				     struct link_params *params)
5881 {
5882 	u16 cnt, ctrl;
5883 	/* Wait for soft reset to get cleared up to 1 sec */
5884 	for (cnt = 0; cnt < 1000; cnt++) {
5885 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5886 			bnx2x_cl22_read(bp, phy,
5887 				MDIO_PMA_REG_CTRL, &ctrl);
5888 		else
5889 			bnx2x_cl45_read(bp, phy,
5890 				MDIO_PMA_DEVAD,
5891 				MDIO_PMA_REG_CTRL, &ctrl);
5892 		if (!(ctrl & (1<<15)))
5893 			break;
5894 		usleep_range(1000, 2000);
5895 	}
5896 
5897 	if (cnt == 1000)
5898 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
5899 				      " Port %d\n",
5900 			 params->port);
5901 	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5902 	return cnt;
5903 }
5904 
5905 static void bnx2x_link_int_enable(struct link_params *params)
5906 {
5907 	u8 port = params->port;
5908 	u32 mask;
5909 	struct bnx2x *bp = params->bp;
5910 
5911 	/* Setting the status to report on link up for either XGXS or SerDes */
5912 	if (CHIP_IS_E3(bp)) {
5913 		mask = NIG_MASK_XGXS0_LINK_STATUS;
5914 		if (!(SINGLE_MEDIA_DIRECT(params)))
5915 			mask |= NIG_MASK_MI_INT;
5916 	} else if (params->switch_cfg == SWITCH_CFG_10G) {
5917 		mask = (NIG_MASK_XGXS0_LINK10G |
5918 			NIG_MASK_XGXS0_LINK_STATUS);
5919 		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
5920 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
5921 			params->phy[INT_PHY].type !=
5922 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
5923 			mask |= NIG_MASK_MI_INT;
5924 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
5925 		}
5926 
5927 	} else { /* SerDes */
5928 		mask = NIG_MASK_SERDES0_LINK_STATUS;
5929 		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
5930 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
5931 			params->phy[INT_PHY].type !=
5932 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
5933 			mask |= NIG_MASK_MI_INT;
5934 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
5935 		}
5936 	}
5937 	bnx2x_bits_en(bp,
5938 		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5939 		      mask);
5940 
5941 	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
5942 		 (params->switch_cfg == SWITCH_CFG_10G),
5943 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
5944 	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5945 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5946 		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5947 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5948 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5949 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5950 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5951 }
5952 
5953 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5954 				     u8 exp_mi_int)
5955 {
5956 	u32 latch_status = 0;
5957 
5958 	/* Disable the MI INT ( external phy int ) by writing 1 to the
5959 	 * status register. Link down indication is high-active-signal,
5960 	 * so in this case we need to write the status to clear the XOR
5961 	 */
5962 	/* Read Latched signals */
5963 	latch_status = REG_RD(bp,
5964 				    NIG_REG_LATCH_STATUS_0 + port*8);
5965 	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
5966 	/* Handle only those with latched-signal=up.*/
5967 	if (exp_mi_int)
5968 		bnx2x_bits_en(bp,
5969 			      NIG_REG_STATUS_INTERRUPT_PORT0
5970 			      + port*4,
5971 			      NIG_STATUS_EMAC0_MI_INT);
5972 	else
5973 		bnx2x_bits_dis(bp,
5974 			       NIG_REG_STATUS_INTERRUPT_PORT0
5975 			       + port*4,
5976 			       NIG_STATUS_EMAC0_MI_INT);
5977 
5978 	if (latch_status & 1) {
5979 
5980 		/* For all latched-signal=up : Re-Arm Latch signals */
5981 		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
5982 		       (latch_status & 0xfffe) | (latch_status & 1));
5983 	}
5984 	/* For all latched-signal=up,Write original_signal to status */
5985 }
5986 
5987 static void bnx2x_link_int_ack(struct link_params *params,
5988 			       struct link_vars *vars, u8 is_10g_plus)
5989 {
5990 	struct bnx2x *bp = params->bp;
5991 	u8 port = params->port;
5992 	u32 mask;
5993 	/* First reset all status we assume only one line will be
5994 	 * change at a time
5995 	 */
5996 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5997 		       (NIG_STATUS_XGXS0_LINK10G |
5998 			NIG_STATUS_XGXS0_LINK_STATUS |
5999 			NIG_STATUS_SERDES0_LINK_STATUS));
6000 	if (vars->phy_link_up) {
6001 		if (USES_WARPCORE(bp))
6002 			mask = NIG_STATUS_XGXS0_LINK_STATUS;
6003 		else {
6004 			if (is_10g_plus)
6005 				mask = NIG_STATUS_XGXS0_LINK10G;
6006 			else if (params->switch_cfg == SWITCH_CFG_10G) {
6007 				/* Disable the link interrupt by writing 1 to
6008 				 * the relevant lane in the status register
6009 				 */
6010 				u32 ser_lane =
6011 					((params->lane_config &
6012 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6013 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6014 				mask = ((1 << ser_lane) <<
6015 				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6016 			} else
6017 				mask = NIG_STATUS_SERDES0_LINK_STATUS;
6018 		}
6019 		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6020 			       mask);
6021 		bnx2x_bits_en(bp,
6022 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6023 			      mask);
6024 	}
6025 }
6026 
6027 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6028 {
6029 	u8 *str_ptr = str;
6030 	u32 mask = 0xf0000000;
6031 	u8 shift = 8*4;
6032 	u8 digit;
6033 	u8 remove_leading_zeros = 1;
6034 	if (*len < 10) {
6035 		/* Need more than 10chars for this format */
6036 		*str_ptr = '\0';
6037 		(*len)--;
6038 		return -EINVAL;
6039 	}
6040 	while (shift > 0) {
6041 
6042 		shift -= 4;
6043 		digit = ((num & mask) >> shift);
6044 		if (digit == 0 && remove_leading_zeros) {
6045 			mask = mask >> 4;
6046 			continue;
6047 		} else if (digit < 0xa)
6048 			*str_ptr = digit + '0';
6049 		else
6050 			*str_ptr = digit - 0xa + 'a';
6051 		remove_leading_zeros = 0;
6052 		str_ptr++;
6053 		(*len)--;
6054 		mask = mask >> 4;
6055 		if (shift == 4*4) {
6056 			*str_ptr = '.';
6057 			str_ptr++;
6058 			(*len)--;
6059 			remove_leading_zeros = 1;
6060 		}
6061 	}
6062 	return 0;
6063 }
6064 
6065 
6066 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6067 {
6068 	str[0] = '\0';
6069 	(*len)--;
6070 	return 0;
6071 }
6072 
6073 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6074 				 u16 len)
6075 {
6076 	struct bnx2x *bp;
6077 	u32 spirom_ver = 0;
6078 	int status = 0;
6079 	u8 *ver_p = version;
6080 	u16 remain_len = len;
6081 	if (version == NULL || params == NULL)
6082 		return -EINVAL;
6083 	bp = params->bp;
6084 
6085 	/* Extract first external phy*/
6086 	version[0] = '\0';
6087 	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6088 
6089 	if (params->phy[EXT_PHY1].format_fw_ver) {
6090 		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6091 							      ver_p,
6092 							      &remain_len);
6093 		ver_p += (len - remain_len);
6094 	}
6095 	if ((params->num_phys == MAX_PHYS) &&
6096 	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6097 		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6098 		if (params->phy[EXT_PHY2].format_fw_ver) {
6099 			*ver_p = '/';
6100 			ver_p++;
6101 			remain_len--;
6102 			status |= params->phy[EXT_PHY2].format_fw_ver(
6103 				spirom_ver,
6104 				ver_p,
6105 				&remain_len);
6106 			ver_p = version + (len - remain_len);
6107 		}
6108 	}
6109 	*ver_p = '\0';
6110 	return status;
6111 }
6112 
6113 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6114 				    struct link_params *params)
6115 {
6116 	u8 port = params->port;
6117 	struct bnx2x *bp = params->bp;
6118 
6119 	if (phy->req_line_speed != SPEED_1000) {
6120 		u32 md_devad = 0;
6121 
6122 		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6123 
6124 		if (!CHIP_IS_E3(bp)) {
6125 			/* Change the uni_phy_addr in the nig */
6126 			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6127 					       port*0x18));
6128 
6129 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6130 			       0x5);
6131 		}
6132 
6133 		bnx2x_cl45_write(bp, phy,
6134 				 5,
6135 				 (MDIO_REG_BANK_AER_BLOCK +
6136 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6137 				 0x2800);
6138 
6139 		bnx2x_cl45_write(bp, phy,
6140 				 5,
6141 				 (MDIO_REG_BANK_CL73_IEEEB0 +
6142 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6143 				 0x6041);
6144 		msleep(200);
6145 		/* Set aer mmd back */
6146 		bnx2x_set_aer_mmd(params, phy);
6147 
6148 		if (!CHIP_IS_E3(bp)) {
6149 			/* And md_devad */
6150 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6151 			       md_devad);
6152 		}
6153 	} else {
6154 		u16 mii_ctrl;
6155 		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6156 		bnx2x_cl45_read(bp, phy, 5,
6157 				(MDIO_REG_BANK_COMBO_IEEE0 +
6158 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6159 				&mii_ctrl);
6160 		bnx2x_cl45_write(bp, phy, 5,
6161 				 (MDIO_REG_BANK_COMBO_IEEE0 +
6162 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6163 				 mii_ctrl |
6164 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6165 	}
6166 }
6167 
6168 int bnx2x_set_led(struct link_params *params,
6169 		  struct link_vars *vars, u8 mode, u32 speed)
6170 {
6171 	u8 port = params->port;
6172 	u16 hw_led_mode = params->hw_led_mode;
6173 	int rc = 0;
6174 	u8 phy_idx;
6175 	u32 tmp;
6176 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6177 	struct bnx2x *bp = params->bp;
6178 	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6179 	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6180 		 speed, hw_led_mode);
6181 	/* In case */
6182 	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6183 		if (params->phy[phy_idx].set_link_led) {
6184 			params->phy[phy_idx].set_link_led(
6185 				&params->phy[phy_idx], params, mode);
6186 		}
6187 	}
6188 
6189 	switch (mode) {
6190 	case LED_MODE_FRONT_PANEL_OFF:
6191 	case LED_MODE_OFF:
6192 		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6193 		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6194 		       SHARED_HW_CFG_LED_MAC1);
6195 
6196 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6197 		if (params->phy[EXT_PHY1].type ==
6198 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6199 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6200 				EMAC_LED_100MB_OVERRIDE |
6201 				EMAC_LED_10MB_OVERRIDE);
6202 		else
6203 			tmp |= EMAC_LED_OVERRIDE;
6204 
6205 		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6206 		break;
6207 
6208 	case LED_MODE_OPER:
6209 		/* For all other phys, OPER mode is same as ON, so in case
6210 		 * link is down, do nothing
6211 		 */
6212 		if (!vars->link_up)
6213 			break;
6214 	case LED_MODE_ON:
6215 		if (((params->phy[EXT_PHY1].type ==
6216 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6217 			 (params->phy[EXT_PHY1].type ==
6218 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6219 		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6220 			/* This is a work-around for E2+8727 Configurations */
6221 			if (mode == LED_MODE_ON ||
6222 				speed == SPEED_10000){
6223 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6224 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6225 
6226 				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6227 				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6228 					(tmp | EMAC_LED_OVERRIDE));
6229 				/* Return here without enabling traffic
6230 				 * LED blink and setting rate in ON mode.
6231 				 * In oper mode, enabling LED blink
6232 				 * and setting rate is needed.
6233 				 */
6234 				if (mode == LED_MODE_ON)
6235 					return rc;
6236 			}
6237 		} else if (SINGLE_MEDIA_DIRECT(params)) {
6238 			/* This is a work-around for HW issue found when link
6239 			 * is up in CL73
6240 			 */
6241 			if ((!CHIP_IS_E3(bp)) ||
6242 			    (CHIP_IS_E3(bp) &&
6243 			     mode == LED_MODE_ON))
6244 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6245 
6246 			if (CHIP_IS_E1x(bp) ||
6247 			    CHIP_IS_E2(bp) ||
6248 			    (mode == LED_MODE_ON))
6249 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6250 			else
6251 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6252 				       hw_led_mode);
6253 		} else if ((params->phy[EXT_PHY1].type ==
6254 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6255 			   (mode == LED_MODE_ON)) {
6256 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6257 			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6258 			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6259 				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6260 			/* Break here; otherwise, it'll disable the
6261 			 * intended override.
6262 			 */
6263 			break;
6264 		} else
6265 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6266 			       hw_led_mode);
6267 
6268 		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6269 		/* Set blinking rate to ~15.9Hz */
6270 		if (CHIP_IS_E3(bp))
6271 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6272 			       LED_BLINK_RATE_VAL_E3);
6273 		else
6274 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6275 			       LED_BLINK_RATE_VAL_E1X_E2);
6276 		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6277 		       port*4, 1);
6278 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6279 		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6280 			(tmp & (~EMAC_LED_OVERRIDE)));
6281 
6282 		if (CHIP_IS_E1(bp) &&
6283 		    ((speed == SPEED_2500) ||
6284 		     (speed == SPEED_1000) ||
6285 		     (speed == SPEED_100) ||
6286 		     (speed == SPEED_10))) {
6287 			/* For speeds less than 10G LED scheme is different */
6288 			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6289 			       + port*4, 1);
6290 			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6291 			       port*4, 0);
6292 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6293 			       port*4, 1);
6294 		}
6295 		break;
6296 
6297 	default:
6298 		rc = -EINVAL;
6299 		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6300 			 mode);
6301 		break;
6302 	}
6303 	return rc;
6304 
6305 }
6306 
6307 /* This function comes to reflect the actual link state read DIRECTLY from the
6308  * HW
6309  */
6310 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6311 		    u8 is_serdes)
6312 {
6313 	struct bnx2x *bp = params->bp;
6314 	u16 gp_status = 0, phy_index = 0;
6315 	u8 ext_phy_link_up = 0, serdes_phy_type;
6316 	struct link_vars temp_vars;
6317 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6318 
6319 	if (CHIP_IS_E3(bp)) {
6320 		u16 link_up;
6321 		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6322 		    > SPEED_10000) {
6323 			/* Check 20G link */
6324 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6325 					1, &link_up);
6326 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6327 					1, &link_up);
6328 			link_up &= (1<<2);
6329 		} else {
6330 			/* Check 10G link and below*/
6331 			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6332 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6333 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6334 					&gp_status);
6335 			gp_status = ((gp_status >> 8) & 0xf) |
6336 				((gp_status >> 12) & 0xf);
6337 			link_up = gp_status & (1 << lane);
6338 		}
6339 		if (!link_up)
6340 			return -ESRCH;
6341 	} else {
6342 		CL22_RD_OVER_CL45(bp, int_phy,
6343 			  MDIO_REG_BANK_GP_STATUS,
6344 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6345 			  &gp_status);
6346 	/* Link is up only if both local phy and external phy are up */
6347 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6348 		return -ESRCH;
6349 	}
6350 	/* In XGXS loopback mode, do not check external PHY */
6351 	if (params->loopback_mode == LOOPBACK_XGXS)
6352 		return 0;
6353 
6354 	switch (params->num_phys) {
6355 	case 1:
6356 		/* No external PHY */
6357 		return 0;
6358 	case 2:
6359 		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6360 			&params->phy[EXT_PHY1],
6361 			params, &temp_vars);
6362 		break;
6363 	case 3: /* Dual Media */
6364 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6365 		      phy_index++) {
6366 			serdes_phy_type = ((params->phy[phy_index].media_type ==
6367 					    ETH_PHY_SFPP_10G_FIBER) ||
6368 					   (params->phy[phy_index].media_type ==
6369 					    ETH_PHY_SFP_1G_FIBER) ||
6370 					   (params->phy[phy_index].media_type ==
6371 					    ETH_PHY_XFP_FIBER) ||
6372 					   (params->phy[phy_index].media_type ==
6373 					    ETH_PHY_DA_TWINAX));
6374 
6375 			if (is_serdes != serdes_phy_type)
6376 				continue;
6377 			if (params->phy[phy_index].read_status) {
6378 				ext_phy_link_up |=
6379 					params->phy[phy_index].read_status(
6380 						&params->phy[phy_index],
6381 						params, &temp_vars);
6382 			}
6383 		}
6384 		break;
6385 	}
6386 	if (ext_phy_link_up)
6387 		return 0;
6388 	return -ESRCH;
6389 }
6390 
6391 static int bnx2x_link_initialize(struct link_params *params,
6392 				 struct link_vars *vars)
6393 {
6394 	int rc = 0;
6395 	u8 phy_index, non_ext_phy;
6396 	struct bnx2x *bp = params->bp;
6397 	/* In case of external phy existence, the line speed would be the
6398 	 * line speed linked up by the external phy. In case it is direct
6399 	 * only, then the line_speed during initialization will be
6400 	 * equal to the req_line_speed
6401 	 */
6402 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6403 
6404 	/* Initialize the internal phy in case this is a direct board
6405 	 * (no external phys), or this board has external phy which requires
6406 	 * to first.
6407 	 */
6408 	if (!USES_WARPCORE(bp))
6409 		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6410 	/* init ext phy and enable link state int */
6411 	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6412 		       (params->loopback_mode == LOOPBACK_XGXS));
6413 
6414 	if (non_ext_phy ||
6415 	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6416 	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6417 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6418 		if (vars->line_speed == SPEED_AUTO_NEG &&
6419 		    (CHIP_IS_E1x(bp) ||
6420 		     CHIP_IS_E2(bp)))
6421 			bnx2x_set_parallel_detection(phy, params);
6422 			if (params->phy[INT_PHY].config_init)
6423 				params->phy[INT_PHY].config_init(phy,
6424 								 params,
6425 								 vars);
6426 	}
6427 
6428 	/* Init external phy*/
6429 	if (non_ext_phy) {
6430 		if (params->phy[INT_PHY].supported &
6431 		    SUPPORTED_FIBRE)
6432 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6433 	} else {
6434 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6435 		      phy_index++) {
6436 			/* No need to initialize second phy in case of first
6437 			 * phy only selection. In case of second phy, we do
6438 			 * need to initialize the first phy, since they are
6439 			 * connected.
6440 			 */
6441 			if (params->phy[phy_index].supported &
6442 			    SUPPORTED_FIBRE)
6443 				vars->link_status |= LINK_STATUS_SERDES_LINK;
6444 
6445 			if (phy_index == EXT_PHY2 &&
6446 			    (bnx2x_phy_selection(params) ==
6447 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6448 				DP(NETIF_MSG_LINK,
6449 				   "Not initializing second phy\n");
6450 				continue;
6451 			}
6452 			params->phy[phy_index].config_init(
6453 				&params->phy[phy_index],
6454 				params, vars);
6455 		}
6456 	}
6457 	/* Reset the interrupt indication after phy was initialized */
6458 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6459 		       params->port*4,
6460 		       (NIG_STATUS_XGXS0_LINK10G |
6461 			NIG_STATUS_XGXS0_LINK_STATUS |
6462 			NIG_STATUS_SERDES0_LINK_STATUS |
6463 			NIG_MASK_MI_INT));
6464 	return rc;
6465 }
6466 
6467 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6468 				 struct link_params *params)
6469 {
6470 	/* Reset the SerDes/XGXS */
6471 	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6472 	       (0x1ff << (params->port*16)));
6473 }
6474 
6475 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6476 					struct link_params *params)
6477 {
6478 	struct bnx2x *bp = params->bp;
6479 	u8 gpio_port;
6480 	/* HW reset */
6481 	if (CHIP_IS_E2(bp))
6482 		gpio_port = BP_PATH(bp);
6483 	else
6484 		gpio_port = params->port;
6485 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6486 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6487 		       gpio_port);
6488 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6489 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6490 		       gpio_port);
6491 	DP(NETIF_MSG_LINK, "reset external PHY\n");
6492 }
6493 
6494 static int bnx2x_update_link_down(struct link_params *params,
6495 				  struct link_vars *vars)
6496 {
6497 	struct bnx2x *bp = params->bp;
6498 	u8 port = params->port;
6499 
6500 	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6501 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6502 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6503 	/* Indicate no mac active */
6504 	vars->mac_type = MAC_TYPE_NONE;
6505 
6506 	/* Update shared memory */
6507 	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6508 			       LINK_STATUS_LINK_UP |
6509 			       LINK_STATUS_PHYSICAL_LINK_FLAG |
6510 			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6511 			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6512 			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6513 			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
6514 			       LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
6515 			       LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
6516 	vars->line_speed = 0;
6517 	bnx2x_update_mng(params, vars->link_status);
6518 
6519 	/* Activate nig drain */
6520 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6521 
6522 	/* Disable emac */
6523 	if (!CHIP_IS_E3(bp))
6524 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6525 
6526 	usleep_range(10000, 20000);
6527 	/* Reset BigMac/Xmac */
6528 	if (CHIP_IS_E1x(bp) ||
6529 	    CHIP_IS_E2(bp)) {
6530 		bnx2x_bmac_rx_disable(bp, params->port);
6531 		REG_WR(bp, GRCBASE_MISC +
6532 		       MISC_REGISTERS_RESET_REG_2_CLEAR,
6533 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6534 	}
6535 	if (CHIP_IS_E3(bp)) {
6536 		/* Prevent LPI Generation by chip */
6537 		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6538 		       0);
6539 		REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
6540 		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6541 		       0);
6542 		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6543 				      SHMEM_EEE_ACTIVE_BIT);
6544 
6545 		bnx2x_update_mng_eee(params, vars->eee_status);
6546 		bnx2x_xmac_disable(params);
6547 		bnx2x_umac_disable(params);
6548 	}
6549 
6550 	return 0;
6551 }
6552 
6553 static int bnx2x_update_link_up(struct link_params *params,
6554 				struct link_vars *vars,
6555 				u8 link_10g)
6556 {
6557 	struct bnx2x *bp = params->bp;
6558 	u8 phy_idx, port = params->port;
6559 	int rc = 0;
6560 
6561 	vars->link_status |= (LINK_STATUS_LINK_UP |
6562 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6563 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6564 
6565 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6566 		vars->link_status |=
6567 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6568 
6569 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6570 		vars->link_status |=
6571 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6572 	if (USES_WARPCORE(bp)) {
6573 		if (link_10g) {
6574 			if (bnx2x_xmac_enable(params, vars, 0) ==
6575 			    -ESRCH) {
6576 				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6577 				vars->link_up = 0;
6578 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6579 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6580 			}
6581 		} else
6582 			bnx2x_umac_enable(params, vars, 0);
6583 		bnx2x_set_led(params, vars,
6584 			      LED_MODE_OPER, vars->line_speed);
6585 
6586 		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6587 		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6588 			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6589 			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6590 			       (params->port << 2), 1);
6591 			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6592 			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6593 			       (params->port << 2), 0xfc20);
6594 		}
6595 	}
6596 	if ((CHIP_IS_E1x(bp) ||
6597 	     CHIP_IS_E2(bp))) {
6598 		if (link_10g) {
6599 			if (bnx2x_bmac_enable(params, vars, 0) ==
6600 			    -ESRCH) {
6601 				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6602 				vars->link_up = 0;
6603 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6604 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6605 			}
6606 
6607 			bnx2x_set_led(params, vars,
6608 				      LED_MODE_OPER, SPEED_10000);
6609 		} else {
6610 			rc = bnx2x_emac_program(params, vars);
6611 			bnx2x_emac_enable(params, vars, 0);
6612 
6613 			/* AN complete? */
6614 			if ((vars->link_status &
6615 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6616 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6617 			    SINGLE_MEDIA_DIRECT(params))
6618 				bnx2x_set_gmii_tx_driver(params);
6619 		}
6620 	}
6621 
6622 	/* PBF - link up */
6623 	if (CHIP_IS_E1x(bp))
6624 		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6625 				       vars->line_speed);
6626 
6627 	/* Disable drain */
6628 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6629 
6630 	/* Update shared memory */
6631 	bnx2x_update_mng(params, vars->link_status);
6632 	bnx2x_update_mng_eee(params, vars->eee_status);
6633 	/* Check remote fault */
6634 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6635 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6636 			bnx2x_check_half_open_conn(params, vars, 0);
6637 			break;
6638 		}
6639 	}
6640 	msleep(20);
6641 	return rc;
6642 }
6643 /* The bnx2x_link_update function should be called upon link
6644  * interrupt.
6645  * Link is considered up as follows:
6646  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6647  *   to be up
6648  * - SINGLE_MEDIA - The link between the 577xx and the external
6649  *   phy (XGXS) need to up as well as the external link of the
6650  *   phy (PHY_EXT1)
6651  * - DUAL_MEDIA - The link between the 577xx and the first
6652  *   external phy needs to be up, and at least one of the 2
6653  *   external phy link must be up.
6654  */
6655 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6656 {
6657 	struct bnx2x *bp = params->bp;
6658 	struct link_vars phy_vars[MAX_PHYS];
6659 	u8 port = params->port;
6660 	u8 link_10g_plus, phy_index;
6661 	u8 ext_phy_link_up = 0, cur_link_up;
6662 	int rc = 0;
6663 	u8 is_mi_int = 0;
6664 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6665 	u8 active_external_phy = INT_PHY;
6666 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6667 	for (phy_index = INT_PHY; phy_index < params->num_phys;
6668 	      phy_index++) {
6669 		phy_vars[phy_index].flow_ctrl = 0;
6670 		phy_vars[phy_index].link_status = 0;
6671 		phy_vars[phy_index].line_speed = 0;
6672 		phy_vars[phy_index].duplex = DUPLEX_FULL;
6673 		phy_vars[phy_index].phy_link_up = 0;
6674 		phy_vars[phy_index].link_up = 0;
6675 		phy_vars[phy_index].fault_detected = 0;
6676 		/* different consideration, since vars holds inner state */
6677 		phy_vars[phy_index].eee_status = vars->eee_status;
6678 	}
6679 
6680 	if (USES_WARPCORE(bp))
6681 		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6682 
6683 	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6684 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6685 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6686 
6687 	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6688 				port*0x18) > 0);
6689 	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6690 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6691 		 is_mi_int,
6692 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6693 
6694 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6695 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6696 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6697 
6698 	/* Disable emac */
6699 	if (!CHIP_IS_E3(bp))
6700 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6701 
6702 	/* Step 1:
6703 	 * Check external link change only for external phys, and apply
6704 	 * priority selection between them in case the link on both phys
6705 	 * is up. Note that instead of the common vars, a temporary
6706 	 * vars argument is used since each phy may have different link/
6707 	 * speed/duplex result
6708 	 */
6709 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6710 	      phy_index++) {
6711 		struct bnx2x_phy *phy = &params->phy[phy_index];
6712 		if (!phy->read_status)
6713 			continue;
6714 		/* Read link status and params of this ext phy */
6715 		cur_link_up = phy->read_status(phy, params,
6716 					       &phy_vars[phy_index]);
6717 		if (cur_link_up) {
6718 			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6719 				   phy_index);
6720 		} else {
6721 			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6722 				   phy_index);
6723 			continue;
6724 		}
6725 
6726 		if (!ext_phy_link_up) {
6727 			ext_phy_link_up = 1;
6728 			active_external_phy = phy_index;
6729 		} else {
6730 			switch (bnx2x_phy_selection(params)) {
6731 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6732 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6733 			/* In this option, the first PHY makes sure to pass the
6734 			 * traffic through itself only.
6735 			 * Its not clear how to reset the link on the second phy
6736 			 */
6737 				active_external_phy = EXT_PHY1;
6738 				break;
6739 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6740 			/* In this option, the first PHY makes sure to pass the
6741 			 * traffic through the second PHY.
6742 			 */
6743 				active_external_phy = EXT_PHY2;
6744 				break;
6745 			default:
6746 			/* Link indication on both PHYs with the following cases
6747 			 * is invalid:
6748 			 * - FIRST_PHY means that second phy wasn't initialized,
6749 			 * hence its link is expected to be down
6750 			 * - SECOND_PHY means that first phy should not be able
6751 			 * to link up by itself (using configuration)
6752 			 * - DEFAULT should be overriden during initialiazation
6753 			 */
6754 				DP(NETIF_MSG_LINK, "Invalid link indication"
6755 					   "mpc=0x%x. DISABLING LINK !!!\n",
6756 					   params->multi_phy_config);
6757 				ext_phy_link_up = 0;
6758 				break;
6759 			}
6760 		}
6761 	}
6762 	prev_line_speed = vars->line_speed;
6763 	/* Step 2:
6764 	 * Read the status of the internal phy. In case of
6765 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6766 	 * otherwise this is the link between the 577xx and the first
6767 	 * external phy
6768 	 */
6769 	if (params->phy[INT_PHY].read_status)
6770 		params->phy[INT_PHY].read_status(
6771 			&params->phy[INT_PHY],
6772 			params, vars);
6773 	/* The INT_PHY flow control reside in the vars. This include the
6774 	 * case where the speed or flow control are not set to AUTO.
6775 	 * Otherwise, the active external phy flow control result is set
6776 	 * to the vars. The ext_phy_line_speed is needed to check if the
6777 	 * speed is different between the internal phy and external phy.
6778 	 * This case may be result of intermediate link speed change.
6779 	 */
6780 	if (active_external_phy > INT_PHY) {
6781 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6782 		/* Link speed is taken from the XGXS. AN and FC result from
6783 		 * the external phy.
6784 		 */
6785 		vars->link_status |= phy_vars[active_external_phy].link_status;
6786 
6787 		/* if active_external_phy is first PHY and link is up - disable
6788 		 * disable TX on second external PHY
6789 		 */
6790 		if (active_external_phy == EXT_PHY1) {
6791 			if (params->phy[EXT_PHY2].phy_specific_func) {
6792 				DP(NETIF_MSG_LINK,
6793 				   "Disabling TX on EXT_PHY2\n");
6794 				params->phy[EXT_PHY2].phy_specific_func(
6795 					&params->phy[EXT_PHY2],
6796 					params, DISABLE_TX);
6797 			}
6798 		}
6799 
6800 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6801 		vars->duplex = phy_vars[active_external_phy].duplex;
6802 		if (params->phy[active_external_phy].supported &
6803 		    SUPPORTED_FIBRE)
6804 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6805 		else
6806 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6807 
6808 		vars->eee_status = phy_vars[active_external_phy].eee_status;
6809 
6810 		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6811 			   active_external_phy);
6812 	}
6813 
6814 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6815 	      phy_index++) {
6816 		if (params->phy[phy_index].flags &
6817 		    FLAGS_REARM_LATCH_SIGNAL) {
6818 			bnx2x_rearm_latch_signal(bp, port,
6819 						 phy_index ==
6820 						 active_external_phy);
6821 			break;
6822 		}
6823 	}
6824 	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6825 		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6826 		   vars->link_status, ext_phy_line_speed);
6827 	/* Upon link speed change set the NIG into drain mode. Comes to
6828 	 * deals with possible FIFO glitch due to clk change when speed
6829 	 * is decreased without link down indicator
6830 	 */
6831 
6832 	if (vars->phy_link_up) {
6833 		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6834 		    (ext_phy_line_speed != vars->line_speed)) {
6835 			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6836 				   " different than the external"
6837 				   " link speed %d\n", vars->line_speed,
6838 				   ext_phy_line_speed);
6839 			vars->phy_link_up = 0;
6840 		} else if (prev_line_speed != vars->line_speed) {
6841 			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6842 			       0);
6843 			 usleep_range(1000, 2000);
6844 		}
6845 	}
6846 
6847 	/* Anything 10 and over uses the bmac */
6848 	link_10g_plus = (vars->line_speed >= SPEED_10000);
6849 
6850 	bnx2x_link_int_ack(params, vars, link_10g_plus);
6851 
6852 	/* In case external phy link is up, and internal link is down
6853 	 * (not initialized yet probably after link initialization, it
6854 	 * needs to be initialized.
6855 	 * Note that after link down-up as result of cable plug, the xgxs
6856 	 * link would probably become up again without the need
6857 	 * initialize it
6858 	 */
6859 	if (!(SINGLE_MEDIA_DIRECT(params))) {
6860 		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6861 			   " init_preceding = %d\n", ext_phy_link_up,
6862 			   vars->phy_link_up,
6863 			   params->phy[EXT_PHY1].flags &
6864 			   FLAGS_INIT_XGXS_FIRST);
6865 		if (!(params->phy[EXT_PHY1].flags &
6866 		      FLAGS_INIT_XGXS_FIRST)
6867 		    && ext_phy_link_up && !vars->phy_link_up) {
6868 			vars->line_speed = ext_phy_line_speed;
6869 			if (vars->line_speed < SPEED_1000)
6870 				vars->phy_flags |= PHY_SGMII_FLAG;
6871 			else
6872 				vars->phy_flags &= ~PHY_SGMII_FLAG;
6873 
6874 			if (params->phy[INT_PHY].config_init)
6875 				params->phy[INT_PHY].config_init(
6876 					&params->phy[INT_PHY], params,
6877 						vars);
6878 		}
6879 	}
6880 	/* Link is up only if both local phy and external phy (in case of
6881 	 * non-direct board) are up and no fault detected on active PHY.
6882 	 */
6883 	vars->link_up = (vars->phy_link_up &&
6884 			 (ext_phy_link_up ||
6885 			  SINGLE_MEDIA_DIRECT(params)) &&
6886 			 (phy_vars[active_external_phy].fault_detected == 0));
6887 
6888 	/* Update the PFC configuration in case it was changed */
6889 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6890 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
6891 	else
6892 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6893 
6894 	if (vars->link_up)
6895 		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6896 	else
6897 		rc = bnx2x_update_link_down(params, vars);
6898 
6899 	/* Update MCP link status was changed */
6900 	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6901 		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6902 
6903 	return rc;
6904 }
6905 
6906 /*****************************************************************************/
6907 /*			    External Phy section			     */
6908 /*****************************************************************************/
6909 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
6910 {
6911 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6912 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6913 	 usleep_range(1000, 2000);
6914 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6915 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
6916 }
6917 
6918 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6919 				      u32 spirom_ver, u32 ver_addr)
6920 {
6921 	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6922 		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6923 
6924 	if (ver_addr)
6925 		REG_WR(bp, ver_addr, spirom_ver);
6926 }
6927 
6928 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6929 				      struct bnx2x_phy *phy,
6930 				      u8 port)
6931 {
6932 	u16 fw_ver1, fw_ver2;
6933 
6934 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6935 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6936 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6937 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
6938 	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6939 				  phy->ver_addr);
6940 }
6941 
6942 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6943 				       struct bnx2x_phy *phy,
6944 				       struct link_vars *vars)
6945 {
6946 	u16 val;
6947 	bnx2x_cl45_read(bp, phy,
6948 			MDIO_AN_DEVAD,
6949 			MDIO_AN_REG_STATUS, &val);
6950 	bnx2x_cl45_read(bp, phy,
6951 			MDIO_AN_DEVAD,
6952 			MDIO_AN_REG_STATUS, &val);
6953 	if (val & (1<<5))
6954 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6955 	if ((val & (1<<0)) == 0)
6956 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6957 }
6958 
6959 /******************************************************************/
6960 /*		common BCM8073/BCM8727 PHY SECTION		  */
6961 /******************************************************************/
6962 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6963 				  struct link_params *params,
6964 				  struct link_vars *vars)
6965 {
6966 	struct bnx2x *bp = params->bp;
6967 	if (phy->req_line_speed == SPEED_10 ||
6968 	    phy->req_line_speed == SPEED_100) {
6969 		vars->flow_ctrl = phy->req_flow_ctrl;
6970 		return;
6971 	}
6972 
6973 	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6974 	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6975 		u16 pause_result;
6976 		u16 ld_pause;		/* local */
6977 		u16 lp_pause;		/* link partner */
6978 		bnx2x_cl45_read(bp, phy,
6979 				MDIO_AN_DEVAD,
6980 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6981 
6982 		bnx2x_cl45_read(bp, phy,
6983 				MDIO_AN_DEVAD,
6984 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6985 		pause_result = (ld_pause &
6986 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6987 		pause_result |= (lp_pause &
6988 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6989 
6990 		bnx2x_pause_resolve(vars, pause_result);
6991 		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6992 			   pause_result);
6993 	}
6994 }
6995 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
6996 					     struct bnx2x_phy *phy,
6997 					     u8 port)
6998 {
6999 	u32 count = 0;
7000 	u16 fw_ver1, fw_msgout;
7001 	int rc = 0;
7002 
7003 	/* Boot port from external ROM  */
7004 	/* EDC grst */
7005 	bnx2x_cl45_write(bp, phy,
7006 			 MDIO_PMA_DEVAD,
7007 			 MDIO_PMA_REG_GEN_CTRL,
7008 			 0x0001);
7009 
7010 	/* Ucode reboot and rst */
7011 	bnx2x_cl45_write(bp, phy,
7012 			 MDIO_PMA_DEVAD,
7013 			 MDIO_PMA_REG_GEN_CTRL,
7014 			 0x008c);
7015 
7016 	bnx2x_cl45_write(bp, phy,
7017 			 MDIO_PMA_DEVAD,
7018 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7019 
7020 	/* Reset internal microprocessor */
7021 	bnx2x_cl45_write(bp, phy,
7022 			 MDIO_PMA_DEVAD,
7023 			 MDIO_PMA_REG_GEN_CTRL,
7024 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7025 
7026 	/* Release srst bit */
7027 	bnx2x_cl45_write(bp, phy,
7028 			 MDIO_PMA_DEVAD,
7029 			 MDIO_PMA_REG_GEN_CTRL,
7030 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7031 
7032 	/* Delay 100ms per the PHY specifications */
7033 	msleep(100);
7034 
7035 	/* 8073 sometimes taking longer to download */
7036 	do {
7037 		count++;
7038 		if (count > 300) {
7039 			DP(NETIF_MSG_LINK,
7040 				 "bnx2x_8073_8727_external_rom_boot port %x:"
7041 				 "Download failed. fw version = 0x%x\n",
7042 				 port, fw_ver1);
7043 			rc = -EINVAL;
7044 			break;
7045 		}
7046 
7047 		bnx2x_cl45_read(bp, phy,
7048 				MDIO_PMA_DEVAD,
7049 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7050 		bnx2x_cl45_read(bp, phy,
7051 				MDIO_PMA_DEVAD,
7052 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7053 
7054 		 usleep_range(1000, 2000);
7055 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7056 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7057 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7058 
7059 	/* Clear ser_boot_ctl bit */
7060 	bnx2x_cl45_write(bp, phy,
7061 			 MDIO_PMA_DEVAD,
7062 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7063 	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7064 
7065 	DP(NETIF_MSG_LINK,
7066 		 "bnx2x_8073_8727_external_rom_boot port %x:"
7067 		 "Download complete. fw version = 0x%x\n",
7068 		 port, fw_ver1);
7069 
7070 	return rc;
7071 }
7072 
7073 /******************************************************************/
7074 /*			BCM8073 PHY SECTION			  */
7075 /******************************************************************/
7076 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7077 {
7078 	/* This is only required for 8073A1, version 102 only */
7079 	u16 val;
7080 
7081 	/* Read 8073 HW revision*/
7082 	bnx2x_cl45_read(bp, phy,
7083 			MDIO_PMA_DEVAD,
7084 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7085 
7086 	if (val != 1) {
7087 		/* No need to workaround in 8073 A1 */
7088 		return 0;
7089 	}
7090 
7091 	bnx2x_cl45_read(bp, phy,
7092 			MDIO_PMA_DEVAD,
7093 			MDIO_PMA_REG_ROM_VER2, &val);
7094 
7095 	/* SNR should be applied only for version 0x102 */
7096 	if (val != 0x102)
7097 		return 0;
7098 
7099 	return 1;
7100 }
7101 
7102 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7103 {
7104 	u16 val, cnt, cnt1 ;
7105 
7106 	bnx2x_cl45_read(bp, phy,
7107 			MDIO_PMA_DEVAD,
7108 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7109 
7110 	if (val > 0) {
7111 		/* No need to workaround in 8073 A1 */
7112 		return 0;
7113 	}
7114 	/* XAUI workaround in 8073 A0: */
7115 
7116 	/* After loading the boot ROM and restarting Autoneg, poll
7117 	 * Dev1, Reg $C820:
7118 	 */
7119 
7120 	for (cnt = 0; cnt < 1000; cnt++) {
7121 		bnx2x_cl45_read(bp, phy,
7122 				MDIO_PMA_DEVAD,
7123 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7124 				&val);
7125 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7126 		   * system initialization (XAUI work-around not required, as
7127 		   * these bits indicate 2.5G or 1G link up).
7128 		   */
7129 		if (!(val & (1<<14)) || !(val & (1<<13))) {
7130 			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7131 			return 0;
7132 		} else if (!(val & (1<<15))) {
7133 			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7134 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7135 			 * MSB (bit15) goes to 1 (indicating that the XAUI
7136 			 * workaround has completed), then continue on with
7137 			 * system initialization.
7138 			 */
7139 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7140 				bnx2x_cl45_read(bp, phy,
7141 					MDIO_PMA_DEVAD,
7142 					MDIO_PMA_REG_8073_XAUI_WA, &val);
7143 				if (val & (1<<15)) {
7144 					DP(NETIF_MSG_LINK,
7145 					  "XAUI workaround has completed\n");
7146 					return 0;
7147 				 }
7148 				 usleep_range(3000, 6000);
7149 			}
7150 			break;
7151 		}
7152 		usleep_range(3000, 6000);
7153 	}
7154 	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7155 	return -EINVAL;
7156 }
7157 
7158 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7159 {
7160 	/* Force KR or KX */
7161 	bnx2x_cl45_write(bp, phy,
7162 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7163 	bnx2x_cl45_write(bp, phy,
7164 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7165 	bnx2x_cl45_write(bp, phy,
7166 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7167 	bnx2x_cl45_write(bp, phy,
7168 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7169 }
7170 
7171 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7172 				      struct bnx2x_phy *phy,
7173 				      struct link_vars *vars)
7174 {
7175 	u16 cl37_val;
7176 	struct bnx2x *bp = params->bp;
7177 	bnx2x_cl45_read(bp, phy,
7178 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7179 
7180 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7181 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7182 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7183 	if ((vars->ieee_fc &
7184 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7185 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7186 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7187 	}
7188 	if ((vars->ieee_fc &
7189 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7190 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7191 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7192 	}
7193 	if ((vars->ieee_fc &
7194 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7195 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7196 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7197 	}
7198 	DP(NETIF_MSG_LINK,
7199 		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7200 
7201 	bnx2x_cl45_write(bp, phy,
7202 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7203 	msleep(500);
7204 }
7205 
7206 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7207 				  struct link_params *params,
7208 				  struct link_vars *vars)
7209 {
7210 	struct bnx2x *bp = params->bp;
7211 	u16 val = 0, tmp1;
7212 	u8 gpio_port;
7213 	DP(NETIF_MSG_LINK, "Init 8073\n");
7214 
7215 	if (CHIP_IS_E2(bp))
7216 		gpio_port = BP_PATH(bp);
7217 	else
7218 		gpio_port = params->port;
7219 	/* Restore normal power mode*/
7220 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7221 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7222 
7223 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7224 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7225 
7226 	/* Enable LASI */
7227 	bnx2x_cl45_write(bp, phy,
7228 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7229 	bnx2x_cl45_write(bp, phy,
7230 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7231 
7232 	bnx2x_8073_set_pause_cl37(params, phy, vars);
7233 
7234 	bnx2x_cl45_read(bp, phy,
7235 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7236 
7237 	bnx2x_cl45_read(bp, phy,
7238 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7239 
7240 	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7241 
7242 	/* Swap polarity if required - Must be done only in non-1G mode */
7243 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7244 		/* Configure the 8073 to swap _P and _N of the KR lines */
7245 		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7246 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7247 		bnx2x_cl45_read(bp, phy,
7248 				MDIO_PMA_DEVAD,
7249 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7250 		bnx2x_cl45_write(bp, phy,
7251 				 MDIO_PMA_DEVAD,
7252 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7253 				 (val | (3<<9)));
7254 	}
7255 
7256 
7257 	/* Enable CL37 BAM */
7258 	if (REG_RD(bp, params->shmem_base +
7259 			 offsetof(struct shmem_region, dev_info.
7260 				  port_hw_config[params->port].default_cfg)) &
7261 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7262 
7263 		bnx2x_cl45_read(bp, phy,
7264 				MDIO_AN_DEVAD,
7265 				MDIO_AN_REG_8073_BAM, &val);
7266 		bnx2x_cl45_write(bp, phy,
7267 				 MDIO_AN_DEVAD,
7268 				 MDIO_AN_REG_8073_BAM, val | 1);
7269 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7270 	}
7271 	if (params->loopback_mode == LOOPBACK_EXT) {
7272 		bnx2x_807x_force_10G(bp, phy);
7273 		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7274 		return 0;
7275 	} else {
7276 		bnx2x_cl45_write(bp, phy,
7277 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7278 	}
7279 	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7280 		if (phy->req_line_speed == SPEED_10000) {
7281 			val = (1<<7);
7282 		} else if (phy->req_line_speed ==  SPEED_2500) {
7283 			val = (1<<5);
7284 			/* Note that 2.5G works only when used with 1G
7285 			 * advertisement
7286 			 */
7287 		} else
7288 			val = (1<<5);
7289 	} else {
7290 		val = 0;
7291 		if (phy->speed_cap_mask &
7292 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7293 			val |= (1<<7);
7294 
7295 		/* Note that 2.5G works only when used with 1G advertisement */
7296 		if (phy->speed_cap_mask &
7297 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7298 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7299 			val |= (1<<5);
7300 		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7301 	}
7302 
7303 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7304 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7305 
7306 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7307 	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7308 	    (phy->req_line_speed == SPEED_2500)) {
7309 		u16 phy_ver;
7310 		/* Allow 2.5G for A1 and above */
7311 		bnx2x_cl45_read(bp, phy,
7312 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7313 				&phy_ver);
7314 		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7315 		if (phy_ver > 0)
7316 			tmp1 |= 1;
7317 		else
7318 			tmp1 &= 0xfffe;
7319 	} else {
7320 		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7321 		tmp1 &= 0xfffe;
7322 	}
7323 
7324 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7325 	/* Add support for CL37 (passive mode) II */
7326 
7327 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7328 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7329 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7330 				  0x20 : 0x40)));
7331 
7332 	/* Add support for CL37 (passive mode) III */
7333 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7334 
7335 	/* The SNR will improve about 2db by changing BW and FEE main
7336 	 * tap. Rest commands are executed after link is up
7337 	 * Change FFE main cursor to 5 in EDC register
7338 	 */
7339 	if (bnx2x_8073_is_snr_needed(bp, phy))
7340 		bnx2x_cl45_write(bp, phy,
7341 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7342 				 0xFB0C);
7343 
7344 	/* Enable FEC (Forware Error Correction) Request in the AN */
7345 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7346 	tmp1 |= (1<<15);
7347 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7348 
7349 	bnx2x_ext_phy_set_pause(params, phy, vars);
7350 
7351 	/* Restart autoneg */
7352 	msleep(500);
7353 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7354 	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7355 		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7356 	return 0;
7357 }
7358 
7359 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7360 				 struct link_params *params,
7361 				 struct link_vars *vars)
7362 {
7363 	struct bnx2x *bp = params->bp;
7364 	u8 link_up = 0;
7365 	u16 val1, val2;
7366 	u16 link_status = 0;
7367 	u16 an1000_status = 0;
7368 
7369 	bnx2x_cl45_read(bp, phy,
7370 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7371 
7372 	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7373 
7374 	/* Clear the interrupt LASI status register */
7375 	bnx2x_cl45_read(bp, phy,
7376 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7377 	bnx2x_cl45_read(bp, phy,
7378 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7379 	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7380 	/* Clear MSG-OUT */
7381 	bnx2x_cl45_read(bp, phy,
7382 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7383 
7384 	/* Check the LASI */
7385 	bnx2x_cl45_read(bp, phy,
7386 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7387 
7388 	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7389 
7390 	/* Check the link status */
7391 	bnx2x_cl45_read(bp, phy,
7392 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7393 	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7394 
7395 	bnx2x_cl45_read(bp, phy,
7396 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7397 	bnx2x_cl45_read(bp, phy,
7398 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7399 	link_up = ((val1 & 4) == 4);
7400 	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7401 
7402 	if (link_up &&
7403 	     ((phy->req_line_speed != SPEED_10000))) {
7404 		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7405 			return 0;
7406 	}
7407 	bnx2x_cl45_read(bp, phy,
7408 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7409 	bnx2x_cl45_read(bp, phy,
7410 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7411 
7412 	/* Check the link status on 1.1.2 */
7413 	bnx2x_cl45_read(bp, phy,
7414 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7415 	bnx2x_cl45_read(bp, phy,
7416 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7417 	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7418 		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7419 
7420 	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7421 	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7422 		/* The SNR will improve about 2dbby changing the BW and FEE main
7423 		 * tap. The 1st write to change FFE main tap is set before
7424 		 * restart AN. Change PLL Bandwidth in EDC register
7425 		 */
7426 		bnx2x_cl45_write(bp, phy,
7427 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7428 				 0x26BC);
7429 
7430 		/* Change CDR Bandwidth in EDC register */
7431 		bnx2x_cl45_write(bp, phy,
7432 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7433 				 0x0333);
7434 	}
7435 	bnx2x_cl45_read(bp, phy,
7436 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7437 			&link_status);
7438 
7439 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7440 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7441 		link_up = 1;
7442 		vars->line_speed = SPEED_10000;
7443 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7444 			   params->port);
7445 	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7446 		link_up = 1;
7447 		vars->line_speed = SPEED_2500;
7448 		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7449 			   params->port);
7450 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7451 		link_up = 1;
7452 		vars->line_speed = SPEED_1000;
7453 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7454 			   params->port);
7455 	} else {
7456 		link_up = 0;
7457 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7458 			   params->port);
7459 	}
7460 
7461 	if (link_up) {
7462 		/* Swap polarity if required */
7463 		if (params->lane_config &
7464 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7465 			/* Configure the 8073 to swap P and N of the KR lines */
7466 			bnx2x_cl45_read(bp, phy,
7467 					MDIO_XS_DEVAD,
7468 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7469 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7470 			 * when it`s in 10G mode.
7471 			 */
7472 			if (vars->line_speed == SPEED_1000) {
7473 				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7474 					      "the 8073\n");
7475 				val1 |= (1<<3);
7476 			} else
7477 				val1 &= ~(1<<3);
7478 
7479 			bnx2x_cl45_write(bp, phy,
7480 					 MDIO_XS_DEVAD,
7481 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7482 					 val1);
7483 		}
7484 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7485 		bnx2x_8073_resolve_fc(phy, params, vars);
7486 		vars->duplex = DUPLEX_FULL;
7487 	}
7488 
7489 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7490 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7491 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7492 
7493 		if (val1 & (1<<5))
7494 			vars->link_status |=
7495 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7496 		if (val1 & (1<<7))
7497 			vars->link_status |=
7498 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7499 	}
7500 
7501 	return link_up;
7502 }
7503 
7504 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7505 				  struct link_params *params)
7506 {
7507 	struct bnx2x *bp = params->bp;
7508 	u8 gpio_port;
7509 	if (CHIP_IS_E2(bp))
7510 		gpio_port = BP_PATH(bp);
7511 	else
7512 		gpio_port = params->port;
7513 	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7514 	   gpio_port);
7515 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7516 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7517 		       gpio_port);
7518 }
7519 
7520 /******************************************************************/
7521 /*			BCM8705 PHY SECTION			  */
7522 /******************************************************************/
7523 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7524 				  struct link_params *params,
7525 				  struct link_vars *vars)
7526 {
7527 	struct bnx2x *bp = params->bp;
7528 	DP(NETIF_MSG_LINK, "init 8705\n");
7529 	/* Restore normal power mode*/
7530 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7531 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7532 	/* HW reset */
7533 	bnx2x_ext_phy_hw_reset(bp, params->port);
7534 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7535 	bnx2x_wait_reset_complete(bp, phy, params);
7536 
7537 	bnx2x_cl45_write(bp, phy,
7538 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7539 	bnx2x_cl45_write(bp, phy,
7540 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7541 	bnx2x_cl45_write(bp, phy,
7542 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7543 	bnx2x_cl45_write(bp, phy,
7544 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7545 	/* BCM8705 doesn't have microcode, hence the 0 */
7546 	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7547 	return 0;
7548 }
7549 
7550 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7551 				 struct link_params *params,
7552 				 struct link_vars *vars)
7553 {
7554 	u8 link_up = 0;
7555 	u16 val1, rx_sd;
7556 	struct bnx2x *bp = params->bp;
7557 	DP(NETIF_MSG_LINK, "read status 8705\n");
7558 	bnx2x_cl45_read(bp, phy,
7559 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7560 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7561 
7562 	bnx2x_cl45_read(bp, phy,
7563 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7564 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7565 
7566 	bnx2x_cl45_read(bp, phy,
7567 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7568 
7569 	bnx2x_cl45_read(bp, phy,
7570 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7571 	bnx2x_cl45_read(bp, phy,
7572 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7573 
7574 	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7575 	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7576 	if (link_up) {
7577 		vars->line_speed = SPEED_10000;
7578 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7579 	}
7580 	return link_up;
7581 }
7582 
7583 /******************************************************************/
7584 /*			SFP+ module Section			  */
7585 /******************************************************************/
7586 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7587 					   struct bnx2x_phy *phy,
7588 					   u8 pmd_dis)
7589 {
7590 	struct bnx2x *bp = params->bp;
7591 	/* Disable transmitter only for bootcodes which can enable it afterwards
7592 	 * (for D3 link)
7593 	 */
7594 	if (pmd_dis) {
7595 		if (params->feature_config_flags &
7596 		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7597 			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7598 		else {
7599 			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7600 			return;
7601 		}
7602 	} else
7603 		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7604 	bnx2x_cl45_write(bp, phy,
7605 			 MDIO_PMA_DEVAD,
7606 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7607 }
7608 
7609 static u8 bnx2x_get_gpio_port(struct link_params *params)
7610 {
7611 	u8 gpio_port;
7612 	u32 swap_val, swap_override;
7613 	struct bnx2x *bp = params->bp;
7614 	if (CHIP_IS_E2(bp))
7615 		gpio_port = BP_PATH(bp);
7616 	else
7617 		gpio_port = params->port;
7618 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7619 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7620 	return gpio_port ^ (swap_val && swap_override);
7621 }
7622 
7623 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7624 					   struct bnx2x_phy *phy,
7625 					   u8 tx_en)
7626 {
7627 	u16 val;
7628 	u8 port = params->port;
7629 	struct bnx2x *bp = params->bp;
7630 	u32 tx_en_mode;
7631 
7632 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7633 	tx_en_mode = REG_RD(bp, params->shmem_base +
7634 			    offsetof(struct shmem_region,
7635 				     dev_info.port_hw_config[port].sfp_ctrl)) &
7636 		PORT_HW_CFG_TX_LASER_MASK;
7637 	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7638 			   "mode = %x\n", tx_en, port, tx_en_mode);
7639 	switch (tx_en_mode) {
7640 	case PORT_HW_CFG_TX_LASER_MDIO:
7641 
7642 		bnx2x_cl45_read(bp, phy,
7643 				MDIO_PMA_DEVAD,
7644 				MDIO_PMA_REG_PHY_IDENTIFIER,
7645 				&val);
7646 
7647 		if (tx_en)
7648 			val &= ~(1<<15);
7649 		else
7650 			val |= (1<<15);
7651 
7652 		bnx2x_cl45_write(bp, phy,
7653 				 MDIO_PMA_DEVAD,
7654 				 MDIO_PMA_REG_PHY_IDENTIFIER,
7655 				 val);
7656 	break;
7657 	case PORT_HW_CFG_TX_LASER_GPIO0:
7658 	case PORT_HW_CFG_TX_LASER_GPIO1:
7659 	case PORT_HW_CFG_TX_LASER_GPIO2:
7660 	case PORT_HW_CFG_TX_LASER_GPIO3:
7661 	{
7662 		u16 gpio_pin;
7663 		u8 gpio_port, gpio_mode;
7664 		if (tx_en)
7665 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7666 		else
7667 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7668 
7669 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7670 		gpio_port = bnx2x_get_gpio_port(params);
7671 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7672 		break;
7673 	}
7674 	default:
7675 		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7676 		break;
7677 	}
7678 }
7679 
7680 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7681 				      struct bnx2x_phy *phy,
7682 				      u8 tx_en)
7683 {
7684 	struct bnx2x *bp = params->bp;
7685 	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7686 	if (CHIP_IS_E3(bp))
7687 		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7688 	else
7689 		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7690 }
7691 
7692 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7693 					     struct link_params *params,
7694 					     u16 addr, u8 byte_cnt, u8 *o_buf)
7695 {
7696 	struct bnx2x *bp = params->bp;
7697 	u16 val = 0;
7698 	u16 i;
7699 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7700 		DP(NETIF_MSG_LINK,
7701 		   "Reading from eeprom is limited to 0xf\n");
7702 		return -EINVAL;
7703 	}
7704 	/* Set the read command byte count */
7705 	bnx2x_cl45_write(bp, phy,
7706 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7707 			 (byte_cnt | 0xa000));
7708 
7709 	/* Set the read command address */
7710 	bnx2x_cl45_write(bp, phy,
7711 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7712 			 addr);
7713 
7714 	/* Activate read command */
7715 	bnx2x_cl45_write(bp, phy,
7716 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7717 			 0x2c0f);
7718 
7719 	/* Wait up to 500us for command complete status */
7720 	for (i = 0; i < 100; i++) {
7721 		bnx2x_cl45_read(bp, phy,
7722 				MDIO_PMA_DEVAD,
7723 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7724 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7725 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7726 			break;
7727 		udelay(5);
7728 	}
7729 
7730 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7731 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7732 		DP(NETIF_MSG_LINK,
7733 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7734 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7735 		return -EINVAL;
7736 	}
7737 
7738 	/* Read the buffer */
7739 	for (i = 0; i < byte_cnt; i++) {
7740 		bnx2x_cl45_read(bp, phy,
7741 				MDIO_PMA_DEVAD,
7742 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7743 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7744 	}
7745 
7746 	for (i = 0; i < 100; i++) {
7747 		bnx2x_cl45_read(bp, phy,
7748 				MDIO_PMA_DEVAD,
7749 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7750 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7751 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7752 			return 0;
7753 		 usleep_range(1000, 2000);
7754 	}
7755 	return -EINVAL;
7756 }
7757 
7758 static void bnx2x_warpcore_power_module(struct link_params *params,
7759 					struct bnx2x_phy *phy,
7760 					u8 power)
7761 {
7762 	u32 pin_cfg;
7763 	struct bnx2x *bp = params->bp;
7764 
7765 	pin_cfg = (REG_RD(bp, params->shmem_base +
7766 			  offsetof(struct shmem_region,
7767 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7768 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7769 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7770 
7771 	if (pin_cfg == PIN_CFG_NA)
7772 		return;
7773 	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7774 		       power, pin_cfg);
7775 	/* Low ==> corresponding SFP+ module is powered
7776 	 * high ==> the SFP+ module is powered down
7777 	 */
7778 	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7779 }
7780 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7781 						 struct link_params *params,
7782 						 u16 addr, u8 byte_cnt,
7783 						 u8 *o_buf)
7784 {
7785 	int rc = 0;
7786 	u8 i, j = 0, cnt = 0;
7787 	u32 data_array[4];
7788 	u16 addr32;
7789 	struct bnx2x *bp = params->bp;
7790 
7791 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7792 		DP(NETIF_MSG_LINK,
7793 		   "Reading from eeprom is limited to 16 bytes\n");
7794 		return -EINVAL;
7795 	}
7796 
7797 	/* 4 byte aligned address */
7798 	addr32 = addr & (~0x3);
7799 	do {
7800 		if (cnt == I2C_WA_PWR_ITER) {
7801 			bnx2x_warpcore_power_module(params, phy, 0);
7802 			/* Note that 100us are not enough here */
7803 			usleep_range(1000,1000);
7804 			bnx2x_warpcore_power_module(params, phy, 1);
7805 		}
7806 		rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7807 				    data_array);
7808 	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7809 
7810 	if (rc == 0) {
7811 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7812 			o_buf[j] = *((u8 *)data_array + i);
7813 			j++;
7814 		}
7815 	}
7816 
7817 	return rc;
7818 }
7819 
7820 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7821 					     struct link_params *params,
7822 					     u16 addr, u8 byte_cnt, u8 *o_buf)
7823 {
7824 	struct bnx2x *bp = params->bp;
7825 	u16 val, i;
7826 
7827 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7828 		DP(NETIF_MSG_LINK,
7829 		   "Reading from eeprom is limited to 0xf\n");
7830 		return -EINVAL;
7831 	}
7832 
7833 	/* Need to read from 1.8000 to clear it */
7834 	bnx2x_cl45_read(bp, phy,
7835 			MDIO_PMA_DEVAD,
7836 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7837 			&val);
7838 
7839 	/* Set the read command byte count */
7840 	bnx2x_cl45_write(bp, phy,
7841 			 MDIO_PMA_DEVAD,
7842 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7843 			 ((byte_cnt < 2) ? 2 : byte_cnt));
7844 
7845 	/* Set the read command address */
7846 	bnx2x_cl45_write(bp, phy,
7847 			 MDIO_PMA_DEVAD,
7848 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7849 			 addr);
7850 	/* Set the destination address */
7851 	bnx2x_cl45_write(bp, phy,
7852 			 MDIO_PMA_DEVAD,
7853 			 0x8004,
7854 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7855 
7856 	/* Activate read command */
7857 	bnx2x_cl45_write(bp, phy,
7858 			 MDIO_PMA_DEVAD,
7859 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7860 			 0x8002);
7861 	/* Wait appropriate time for two-wire command to finish before
7862 	 * polling the status register
7863 	 */
7864 	 usleep_range(1000, 2000);
7865 
7866 	/* Wait up to 500us for command complete status */
7867 	for (i = 0; i < 100; i++) {
7868 		bnx2x_cl45_read(bp, phy,
7869 				MDIO_PMA_DEVAD,
7870 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7871 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7872 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7873 			break;
7874 		udelay(5);
7875 	}
7876 
7877 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7878 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7879 		DP(NETIF_MSG_LINK,
7880 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7881 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7882 		return -EFAULT;
7883 	}
7884 
7885 	/* Read the buffer */
7886 	for (i = 0; i < byte_cnt; i++) {
7887 		bnx2x_cl45_read(bp, phy,
7888 				MDIO_PMA_DEVAD,
7889 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
7890 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7891 	}
7892 
7893 	for (i = 0; i < 100; i++) {
7894 		bnx2x_cl45_read(bp, phy,
7895 				MDIO_PMA_DEVAD,
7896 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7897 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7898 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7899 			return 0;
7900 		 usleep_range(1000, 2000);
7901 	}
7902 
7903 	return -EINVAL;
7904 }
7905 
7906 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7907 				 struct link_params *params, u16 addr,
7908 				 u8 byte_cnt, u8 *o_buf)
7909 {
7910 	int rc = -EOPNOTSUPP;
7911 	switch (phy->type) {
7912 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7913 		rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7914 						       byte_cnt, o_buf);
7915 	break;
7916 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7917 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7918 		rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7919 						       byte_cnt, o_buf);
7920 	break;
7921 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7922 		rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7923 							   byte_cnt, o_buf);
7924 	break;
7925 	}
7926 	return rc;
7927 }
7928 
7929 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7930 			      struct link_params *params,
7931 			      u16 *edc_mode)
7932 {
7933 	struct bnx2x *bp = params->bp;
7934 	u32 sync_offset = 0, phy_idx, media_types;
7935 	u8 val[2], check_limiting_mode = 0;
7936 	*edc_mode = EDC_MODE_LIMITING;
7937 
7938 	phy->media_type = ETH_PHY_UNSPECIFIED;
7939 	/* First check for copper cable */
7940 	if (bnx2x_read_sfp_module_eeprom(phy,
7941 					 params,
7942 					 SFP_EEPROM_CON_TYPE_ADDR,
7943 					 2,
7944 					 (u8 *)val) != 0) {
7945 		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7946 		return -EINVAL;
7947 	}
7948 
7949 	switch (val[0]) {
7950 	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7951 	{
7952 		u8 copper_module_type;
7953 		phy->media_type = ETH_PHY_DA_TWINAX;
7954 		/* Check if its active cable (includes SFP+ module)
7955 		 * of passive cable
7956 		 */
7957 		if (bnx2x_read_sfp_module_eeprom(phy,
7958 					       params,
7959 					       SFP_EEPROM_FC_TX_TECH_ADDR,
7960 					       1,
7961 					       &copper_module_type) != 0) {
7962 			DP(NETIF_MSG_LINK,
7963 				"Failed to read copper-cable-type"
7964 				" from SFP+ EEPROM\n");
7965 			return -EINVAL;
7966 		}
7967 
7968 		if (copper_module_type &
7969 		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7970 			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7971 			check_limiting_mode = 1;
7972 		} else if (copper_module_type &
7973 			SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
7974 				DP(NETIF_MSG_LINK,
7975 				   "Passive Copper cable detected\n");
7976 				*edc_mode =
7977 				      EDC_MODE_PASSIVE_DAC;
7978 		} else {
7979 			DP(NETIF_MSG_LINK,
7980 			   "Unknown copper-cable-type 0x%x !!!\n",
7981 			   copper_module_type);
7982 			return -EINVAL;
7983 		}
7984 		break;
7985 	}
7986 	case SFP_EEPROM_CON_TYPE_VAL_LC:
7987 		check_limiting_mode = 1;
7988 		if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
7989 			       SFP_EEPROM_COMP_CODE_LR_MASK |
7990 			       SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
7991 			DP(NETIF_MSG_LINK, "1G Optic module detected\n");
7992 			phy->media_type = ETH_PHY_SFP_1G_FIBER;
7993 			phy->req_line_speed = SPEED_1000;
7994 		} else {
7995 			int idx, cfg_idx = 0;
7996 			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
7997 			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
7998 				if (params->phy[idx].type == phy->type) {
7999 					cfg_idx = LINK_CONFIG_IDX(idx);
8000 					break;
8001 				}
8002 			}
8003 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8004 			phy->req_line_speed = params->req_line_speed[cfg_idx];
8005 		}
8006 		break;
8007 	default:
8008 		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8009 			 val[0]);
8010 		return -EINVAL;
8011 	}
8012 	sync_offset = params->shmem_base +
8013 		offsetof(struct shmem_region,
8014 			 dev_info.port_hw_config[params->port].media_type);
8015 	media_types = REG_RD(bp, sync_offset);
8016 	/* Update media type for non-PMF sync */
8017 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8018 		if (&(params->phy[phy_idx]) == phy) {
8019 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8020 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8021 			media_types |= ((phy->media_type &
8022 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8023 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8024 			break;
8025 		}
8026 	}
8027 	REG_WR(bp, sync_offset, media_types);
8028 	if (check_limiting_mode) {
8029 		u8 options[SFP_EEPROM_OPTIONS_SIZE];
8030 		if (bnx2x_read_sfp_module_eeprom(phy,
8031 						 params,
8032 						 SFP_EEPROM_OPTIONS_ADDR,
8033 						 SFP_EEPROM_OPTIONS_SIZE,
8034 						 options) != 0) {
8035 			DP(NETIF_MSG_LINK,
8036 			   "Failed to read Option field from module EEPROM\n");
8037 			return -EINVAL;
8038 		}
8039 		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8040 			*edc_mode = EDC_MODE_LINEAR;
8041 		else
8042 			*edc_mode = EDC_MODE_LIMITING;
8043 	}
8044 	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8045 	return 0;
8046 }
8047 /* This function read the relevant field from the module (SFP+), and verify it
8048  * is compliant with this board
8049  */
8050 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8051 				   struct link_params *params)
8052 {
8053 	struct bnx2x *bp = params->bp;
8054 	u32 val, cmd;
8055 	u32 fw_resp, fw_cmd_param;
8056 	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8057 	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8058 	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8059 	val = REG_RD(bp, params->shmem_base +
8060 			 offsetof(struct shmem_region, dev_info.
8061 				  port_feature_config[params->port].config));
8062 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8063 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8064 		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8065 		return 0;
8066 	}
8067 
8068 	if (params->feature_config_flags &
8069 	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8070 		/* Use specific phy request */
8071 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8072 	} else if (params->feature_config_flags &
8073 		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8074 		/* Use first phy request only in case of non-dual media*/
8075 		if (DUAL_MEDIA(params)) {
8076 			DP(NETIF_MSG_LINK,
8077 			   "FW does not support OPT MDL verification\n");
8078 			return -EINVAL;
8079 		}
8080 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8081 	} else {
8082 		/* No support in OPT MDL detection */
8083 		DP(NETIF_MSG_LINK,
8084 		   "FW does not support OPT MDL verification\n");
8085 		return -EINVAL;
8086 	}
8087 
8088 	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8089 	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8090 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8091 		DP(NETIF_MSG_LINK, "Approved module\n");
8092 		return 0;
8093 	}
8094 
8095 	/* Format the warning message */
8096 	if (bnx2x_read_sfp_module_eeprom(phy,
8097 					 params,
8098 					 SFP_EEPROM_VENDOR_NAME_ADDR,
8099 					 SFP_EEPROM_VENDOR_NAME_SIZE,
8100 					 (u8 *)vendor_name))
8101 		vendor_name[0] = '\0';
8102 	else
8103 		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8104 	if (bnx2x_read_sfp_module_eeprom(phy,
8105 					 params,
8106 					 SFP_EEPROM_PART_NO_ADDR,
8107 					 SFP_EEPROM_PART_NO_SIZE,
8108 					 (u8 *)vendor_pn))
8109 		vendor_pn[0] = '\0';
8110 	else
8111 		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8112 
8113 	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8114 			      " Port %d from %s part number %s\n",
8115 			 params->port, vendor_name, vendor_pn);
8116 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8117 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8118 		phy->flags |= FLAGS_SFP_NOT_APPROVED;
8119 	return -EINVAL;
8120 }
8121 
8122 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8123 						 struct link_params *params)
8124 
8125 {
8126 	u8 val;
8127 	struct bnx2x *bp = params->bp;
8128 	u16 timeout;
8129 	/* Initialization time after hot-plug may take up to 300ms for
8130 	 * some phys type ( e.g. JDSU )
8131 	 */
8132 
8133 	for (timeout = 0; timeout < 60; timeout++) {
8134 		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
8135 		    == 0) {
8136 			DP(NETIF_MSG_LINK,
8137 			   "SFP+ module initialization took %d ms\n",
8138 			   timeout * 5);
8139 			return 0;
8140 		}
8141 		usleep_range(5000, 10000);
8142 	}
8143 	return -EINVAL;
8144 }
8145 
8146 static void bnx2x_8727_power_module(struct bnx2x *bp,
8147 				    struct bnx2x_phy *phy,
8148 				    u8 is_power_up) {
8149 	/* Make sure GPIOs are not using for LED mode */
8150 	u16 val;
8151 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8152 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8153 	 * output
8154 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8155 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8156 	 * where the 1st bit is the over-current(only input), and 2nd bit is
8157 	 * for power( only output )
8158 	 *
8159 	 * In case of NOC feature is disabled and power is up, set GPIO control
8160 	 *  as input to enable listening of over-current indication
8161 	 */
8162 	if (phy->flags & FLAGS_NOC)
8163 		return;
8164 	if (is_power_up)
8165 		val = (1<<4);
8166 	else
8167 		/* Set GPIO control to OUTPUT, and set the power bit
8168 		 * to according to the is_power_up
8169 		 */
8170 		val = (1<<1);
8171 
8172 	bnx2x_cl45_write(bp, phy,
8173 			 MDIO_PMA_DEVAD,
8174 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8175 			 val);
8176 }
8177 
8178 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8179 					struct bnx2x_phy *phy,
8180 					u16 edc_mode)
8181 {
8182 	u16 cur_limiting_mode;
8183 
8184 	bnx2x_cl45_read(bp, phy,
8185 			MDIO_PMA_DEVAD,
8186 			MDIO_PMA_REG_ROM_VER2,
8187 			&cur_limiting_mode);
8188 	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8189 		 cur_limiting_mode);
8190 
8191 	if (edc_mode == EDC_MODE_LIMITING) {
8192 		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8193 		bnx2x_cl45_write(bp, phy,
8194 				 MDIO_PMA_DEVAD,
8195 				 MDIO_PMA_REG_ROM_VER2,
8196 				 EDC_MODE_LIMITING);
8197 	} else { /* LRM mode ( default )*/
8198 
8199 		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8200 
8201 		/* Changing to LRM mode takes quite few seconds. So do it only
8202 		 * if current mode is limiting (default is LRM)
8203 		 */
8204 		if (cur_limiting_mode != EDC_MODE_LIMITING)
8205 			return 0;
8206 
8207 		bnx2x_cl45_write(bp, phy,
8208 				 MDIO_PMA_DEVAD,
8209 				 MDIO_PMA_REG_LRM_MODE,
8210 				 0);
8211 		bnx2x_cl45_write(bp, phy,
8212 				 MDIO_PMA_DEVAD,
8213 				 MDIO_PMA_REG_ROM_VER2,
8214 				 0x128);
8215 		bnx2x_cl45_write(bp, phy,
8216 				 MDIO_PMA_DEVAD,
8217 				 MDIO_PMA_REG_MISC_CTRL0,
8218 				 0x4008);
8219 		bnx2x_cl45_write(bp, phy,
8220 				 MDIO_PMA_DEVAD,
8221 				 MDIO_PMA_REG_LRM_MODE,
8222 				 0xaaaa);
8223 	}
8224 	return 0;
8225 }
8226 
8227 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8228 					struct bnx2x_phy *phy,
8229 					u16 edc_mode)
8230 {
8231 	u16 phy_identifier;
8232 	u16 rom_ver2_val;
8233 	bnx2x_cl45_read(bp, phy,
8234 			MDIO_PMA_DEVAD,
8235 			MDIO_PMA_REG_PHY_IDENTIFIER,
8236 			&phy_identifier);
8237 
8238 	bnx2x_cl45_write(bp, phy,
8239 			 MDIO_PMA_DEVAD,
8240 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8241 			 (phy_identifier & ~(1<<9)));
8242 
8243 	bnx2x_cl45_read(bp, phy,
8244 			MDIO_PMA_DEVAD,
8245 			MDIO_PMA_REG_ROM_VER2,
8246 			&rom_ver2_val);
8247 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8248 	bnx2x_cl45_write(bp, phy,
8249 			 MDIO_PMA_DEVAD,
8250 			 MDIO_PMA_REG_ROM_VER2,
8251 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8252 
8253 	bnx2x_cl45_write(bp, phy,
8254 			 MDIO_PMA_DEVAD,
8255 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8256 			 (phy_identifier | (1<<9)));
8257 
8258 	return 0;
8259 }
8260 
8261 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8262 				     struct link_params *params,
8263 				     u32 action)
8264 {
8265 	struct bnx2x *bp = params->bp;
8266 
8267 	switch (action) {
8268 	case DISABLE_TX:
8269 		bnx2x_sfp_set_transmitter(params, phy, 0);
8270 		break;
8271 	case ENABLE_TX:
8272 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8273 			bnx2x_sfp_set_transmitter(params, phy, 1);
8274 		break;
8275 	default:
8276 		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8277 		   action);
8278 		return;
8279 	}
8280 }
8281 
8282 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8283 					   u8 gpio_mode)
8284 {
8285 	struct bnx2x *bp = params->bp;
8286 
8287 	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8288 			    offsetof(struct shmem_region,
8289 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8290 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8291 	switch (fault_led_gpio) {
8292 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8293 		return;
8294 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8295 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8296 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8297 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8298 	{
8299 		u8 gpio_port = bnx2x_get_gpio_port(params);
8300 		u16 gpio_pin = fault_led_gpio -
8301 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8302 		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8303 				   "pin %x port %x mode %x\n",
8304 			       gpio_pin, gpio_port, gpio_mode);
8305 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8306 	}
8307 	break;
8308 	default:
8309 		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8310 			       fault_led_gpio);
8311 	}
8312 }
8313 
8314 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8315 					  u8 gpio_mode)
8316 {
8317 	u32 pin_cfg;
8318 	u8 port = params->port;
8319 	struct bnx2x *bp = params->bp;
8320 	pin_cfg = (REG_RD(bp, params->shmem_base +
8321 			 offsetof(struct shmem_region,
8322 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8323 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8324 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8325 	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8326 		       gpio_mode, pin_cfg);
8327 	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8328 }
8329 
8330 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8331 					   u8 gpio_mode)
8332 {
8333 	struct bnx2x *bp = params->bp;
8334 	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8335 	if (CHIP_IS_E3(bp)) {
8336 		/* Low ==> if SFP+ module is supported otherwise
8337 		 * High ==> if SFP+ module is not on the approved vendor list
8338 		 */
8339 		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8340 	} else
8341 		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8342 }
8343 
8344 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8345 				    struct link_params *params)
8346 {
8347 	struct bnx2x *bp = params->bp;
8348 	bnx2x_warpcore_power_module(params, phy, 0);
8349 	/* Put Warpcore in low power mode */
8350 	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8351 
8352 	/* Put LCPLL in low power mode */
8353 	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8354 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8355 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8356 }
8357 
8358 static void bnx2x_power_sfp_module(struct link_params *params,
8359 				   struct bnx2x_phy *phy,
8360 				   u8 power)
8361 {
8362 	struct bnx2x *bp = params->bp;
8363 	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8364 
8365 	switch (phy->type) {
8366 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8367 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8368 		bnx2x_8727_power_module(params->bp, phy, power);
8369 		break;
8370 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8371 		bnx2x_warpcore_power_module(params, phy, power);
8372 		break;
8373 	default:
8374 		break;
8375 	}
8376 }
8377 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8378 					     struct bnx2x_phy *phy,
8379 					     u16 edc_mode)
8380 {
8381 	u16 val = 0;
8382 	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8383 	struct bnx2x *bp = params->bp;
8384 
8385 	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8386 	/* This is a global register which controls all lanes */
8387 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8388 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8389 	val &= ~(0xf << (lane << 2));
8390 
8391 	switch (edc_mode) {
8392 	case EDC_MODE_LINEAR:
8393 	case EDC_MODE_LIMITING:
8394 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8395 		break;
8396 	case EDC_MODE_PASSIVE_DAC:
8397 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8398 		break;
8399 	default:
8400 		break;
8401 	}
8402 
8403 	val |= (mode << (lane << 2));
8404 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8405 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8406 	/* A must read */
8407 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8408 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8409 
8410 	/* Restart microcode to re-read the new mode */
8411 	bnx2x_warpcore_reset_lane(bp, phy, 1);
8412 	bnx2x_warpcore_reset_lane(bp, phy, 0);
8413 
8414 }
8415 
8416 static void bnx2x_set_limiting_mode(struct link_params *params,
8417 				    struct bnx2x_phy *phy,
8418 				    u16 edc_mode)
8419 {
8420 	switch (phy->type) {
8421 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8422 		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8423 		break;
8424 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8425 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8426 		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8427 		break;
8428 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8429 		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8430 		break;
8431 	}
8432 }
8433 
8434 int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8435 			       struct link_params *params)
8436 {
8437 	struct bnx2x *bp = params->bp;
8438 	u16 edc_mode;
8439 	int rc = 0;
8440 
8441 	u32 val = REG_RD(bp, params->shmem_base +
8442 			     offsetof(struct shmem_region, dev_info.
8443 				     port_feature_config[params->port].config));
8444 
8445 	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8446 		 params->port);
8447 	/* Power up module */
8448 	bnx2x_power_sfp_module(params, phy, 1);
8449 	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8450 		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8451 		return -EINVAL;
8452 	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8453 		/* Check SFP+ module compatibility */
8454 		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8455 		rc = -EINVAL;
8456 		/* Turn on fault module-detected led */
8457 		bnx2x_set_sfp_module_fault_led(params,
8458 					       MISC_REGISTERS_GPIO_HIGH);
8459 
8460 		/* Check if need to power down the SFP+ module */
8461 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8462 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8463 			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8464 			bnx2x_power_sfp_module(params, phy, 0);
8465 			return rc;
8466 		}
8467 	} else {
8468 		/* Turn off fault module-detected led */
8469 		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8470 	}
8471 
8472 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8473 	 * is done automatically
8474 	 */
8475 	bnx2x_set_limiting_mode(params, phy, edc_mode);
8476 
8477 	/* Enable transmit for this module if the module is approved, or
8478 	 * if unapproved modules should also enable the Tx laser
8479 	 */
8480 	if (rc == 0 ||
8481 	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8482 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
8483 		bnx2x_sfp_set_transmitter(params, phy, 1);
8484 	else
8485 		bnx2x_sfp_set_transmitter(params, phy, 0);
8486 
8487 	return rc;
8488 }
8489 
8490 void bnx2x_handle_module_detect_int(struct link_params *params)
8491 {
8492 	struct bnx2x *bp = params->bp;
8493 	struct bnx2x_phy *phy;
8494 	u32 gpio_val;
8495 	u8 gpio_num, gpio_port;
8496 	if (CHIP_IS_E3(bp))
8497 		phy = &params->phy[INT_PHY];
8498 	else
8499 		phy = &params->phy[EXT_PHY1];
8500 
8501 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8502 				      params->port, &gpio_num, &gpio_port) ==
8503 	    -EINVAL) {
8504 		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8505 		return;
8506 	}
8507 
8508 	/* Set valid module led off */
8509 	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8510 
8511 	/* Get current gpio val reflecting module plugged in / out*/
8512 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8513 
8514 	/* Call the handling function in case module is detected */
8515 	if (gpio_val == 0) {
8516 		bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
8517 		bnx2x_set_aer_mmd(params, phy);
8518 
8519 		bnx2x_power_sfp_module(params, phy, 1);
8520 		bnx2x_set_gpio_int(bp, gpio_num,
8521 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8522 				   gpio_port);
8523 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8524 			bnx2x_sfp_module_detection(phy, params);
8525 			if (CHIP_IS_E3(bp)) {
8526 				u16 rx_tx_in_reset;
8527 				/* In case WC is out of reset, reconfigure the
8528 				 * link speed while taking into account 1G
8529 				 * module limitation.
8530 				 */
8531 				bnx2x_cl45_read(bp, phy,
8532 						MDIO_WC_DEVAD,
8533 						MDIO_WC_REG_DIGITAL5_MISC6,
8534 						&rx_tx_in_reset);
8535 				if (!rx_tx_in_reset) {
8536 					bnx2x_warpcore_reset_lane(bp, phy, 1);
8537 					bnx2x_warpcore_config_sfi(phy, params);
8538 					bnx2x_warpcore_reset_lane(bp, phy, 0);
8539 				}
8540 			}
8541 		} else {
8542 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8543 		}
8544 	} else {
8545 		u32 val = REG_RD(bp, params->shmem_base +
8546 				 offsetof(struct shmem_region, dev_info.
8547 					  port_feature_config[params->port].
8548 					  config));
8549 		bnx2x_set_gpio_int(bp, gpio_num,
8550 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8551 				   gpio_port);
8552 		/* Module was plugged out.
8553 		 * Disable transmit for this module
8554 		 */
8555 		phy->media_type = ETH_PHY_NOT_PRESENT;
8556 		if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8557 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8558 		    CHIP_IS_E3(bp))
8559 			bnx2x_sfp_set_transmitter(params, phy, 0);
8560 	}
8561 }
8562 
8563 /******************************************************************/
8564 /*		Used by 8706 and 8727                             */
8565 /******************************************************************/
8566 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8567 				 struct bnx2x_phy *phy,
8568 				 u16 alarm_status_offset,
8569 				 u16 alarm_ctrl_offset)
8570 {
8571 	u16 alarm_status, val;
8572 	bnx2x_cl45_read(bp, phy,
8573 			MDIO_PMA_DEVAD, alarm_status_offset,
8574 			&alarm_status);
8575 	bnx2x_cl45_read(bp, phy,
8576 			MDIO_PMA_DEVAD, alarm_status_offset,
8577 			&alarm_status);
8578 	/* Mask or enable the fault event. */
8579 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8580 	if (alarm_status & (1<<0))
8581 		val &= ~(1<<0);
8582 	else
8583 		val |= (1<<0);
8584 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8585 }
8586 /******************************************************************/
8587 /*		common BCM8706/BCM8726 PHY SECTION		  */
8588 /******************************************************************/
8589 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8590 				      struct link_params *params,
8591 				      struct link_vars *vars)
8592 {
8593 	u8 link_up = 0;
8594 	u16 val1, val2, rx_sd, pcs_status;
8595 	struct bnx2x *bp = params->bp;
8596 	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8597 	/* Clear RX Alarm*/
8598 	bnx2x_cl45_read(bp, phy,
8599 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8600 
8601 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8602 			     MDIO_PMA_LASI_TXCTRL);
8603 
8604 	/* Clear LASI indication*/
8605 	bnx2x_cl45_read(bp, phy,
8606 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8607 	bnx2x_cl45_read(bp, phy,
8608 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8609 	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8610 
8611 	bnx2x_cl45_read(bp, phy,
8612 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8613 	bnx2x_cl45_read(bp, phy,
8614 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8615 	bnx2x_cl45_read(bp, phy,
8616 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8617 	bnx2x_cl45_read(bp, phy,
8618 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8619 
8620 	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8621 			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8622 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8623 	 * are set, or if the autoneg bit 1 is set
8624 	 */
8625 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8626 	if (link_up) {
8627 		if (val2 & (1<<1))
8628 			vars->line_speed = SPEED_1000;
8629 		else
8630 			vars->line_speed = SPEED_10000;
8631 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8632 		vars->duplex = DUPLEX_FULL;
8633 	}
8634 
8635 	/* Capture 10G link fault. Read twice to clear stale value. */
8636 	if (vars->line_speed == SPEED_10000) {
8637 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8638 			    MDIO_PMA_LASI_TXSTAT, &val1);
8639 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8640 			    MDIO_PMA_LASI_TXSTAT, &val1);
8641 		if (val1 & (1<<0))
8642 			vars->fault_detected = 1;
8643 	}
8644 
8645 	return link_up;
8646 }
8647 
8648 /******************************************************************/
8649 /*			BCM8706 PHY SECTION			  */
8650 /******************************************************************/
8651 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8652 				 struct link_params *params,
8653 				 struct link_vars *vars)
8654 {
8655 	u32 tx_en_mode;
8656 	u16 cnt, val, tmp1;
8657 	struct bnx2x *bp = params->bp;
8658 
8659 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8660 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8661 	/* HW reset */
8662 	bnx2x_ext_phy_hw_reset(bp, params->port);
8663 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8664 	bnx2x_wait_reset_complete(bp, phy, params);
8665 
8666 	/* Wait until fw is loaded */
8667 	for (cnt = 0; cnt < 100; cnt++) {
8668 		bnx2x_cl45_read(bp, phy,
8669 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8670 		if (val)
8671 			break;
8672 		usleep_range(10000, 20000);
8673 	}
8674 	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8675 	if ((params->feature_config_flags &
8676 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8677 		u8 i;
8678 		u16 reg;
8679 		for (i = 0; i < 4; i++) {
8680 			reg = MDIO_XS_8706_REG_BANK_RX0 +
8681 				i*(MDIO_XS_8706_REG_BANK_RX1 -
8682 				   MDIO_XS_8706_REG_BANK_RX0);
8683 			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8684 			/* Clear first 3 bits of the control */
8685 			val &= ~0x7;
8686 			/* Set control bits according to configuration */
8687 			val |= (phy->rx_preemphasis[i] & 0x7);
8688 			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8689 				   " reg 0x%x <-- val 0x%x\n", reg, val);
8690 			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8691 		}
8692 	}
8693 	/* Force speed */
8694 	if (phy->req_line_speed == SPEED_10000) {
8695 		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8696 
8697 		bnx2x_cl45_write(bp, phy,
8698 				 MDIO_PMA_DEVAD,
8699 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8700 		bnx2x_cl45_write(bp, phy,
8701 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8702 				 0);
8703 		/* Arm LASI for link and Tx fault. */
8704 		bnx2x_cl45_write(bp, phy,
8705 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8706 	} else {
8707 		/* Force 1Gbps using autoneg with 1G advertisement */
8708 
8709 		/* Allow CL37 through CL73 */
8710 		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8711 		bnx2x_cl45_write(bp, phy,
8712 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8713 
8714 		/* Enable Full-Duplex advertisement on CL37 */
8715 		bnx2x_cl45_write(bp, phy,
8716 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8717 		/* Enable CL37 AN */
8718 		bnx2x_cl45_write(bp, phy,
8719 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8720 		/* 1G support */
8721 		bnx2x_cl45_write(bp, phy,
8722 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8723 
8724 		/* Enable clause 73 AN */
8725 		bnx2x_cl45_write(bp, phy,
8726 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8727 		bnx2x_cl45_write(bp, phy,
8728 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8729 				 0x0400);
8730 		bnx2x_cl45_write(bp, phy,
8731 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8732 				 0x0004);
8733 	}
8734 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8735 
8736 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8737 	 * power mode, if TX Laser is disabled
8738 	 */
8739 
8740 	tx_en_mode = REG_RD(bp, params->shmem_base +
8741 			    offsetof(struct shmem_region,
8742 				dev_info.port_hw_config[params->port].sfp_ctrl))
8743 			& PORT_HW_CFG_TX_LASER_MASK;
8744 
8745 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8746 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8747 		bnx2x_cl45_read(bp, phy,
8748 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8749 		tmp1 |= 0x1;
8750 		bnx2x_cl45_write(bp, phy,
8751 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8752 	}
8753 
8754 	return 0;
8755 }
8756 
8757 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8758 				  struct link_params *params,
8759 				  struct link_vars *vars)
8760 {
8761 	return bnx2x_8706_8726_read_status(phy, params, vars);
8762 }
8763 
8764 /******************************************************************/
8765 /*			BCM8726 PHY SECTION			  */
8766 /******************************************************************/
8767 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8768 				       struct link_params *params)
8769 {
8770 	struct bnx2x *bp = params->bp;
8771 	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8772 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8773 }
8774 
8775 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8776 					 struct link_params *params)
8777 {
8778 	struct bnx2x *bp = params->bp;
8779 	/* Need to wait 100ms after reset */
8780 	msleep(100);
8781 
8782 	/* Micro controller re-boot */
8783 	bnx2x_cl45_write(bp, phy,
8784 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8785 
8786 	/* Set soft reset */
8787 	bnx2x_cl45_write(bp, phy,
8788 			 MDIO_PMA_DEVAD,
8789 			 MDIO_PMA_REG_GEN_CTRL,
8790 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8791 
8792 	bnx2x_cl45_write(bp, phy,
8793 			 MDIO_PMA_DEVAD,
8794 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8795 
8796 	bnx2x_cl45_write(bp, phy,
8797 			 MDIO_PMA_DEVAD,
8798 			 MDIO_PMA_REG_GEN_CTRL,
8799 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8800 
8801 	/* Wait for 150ms for microcode load */
8802 	msleep(150);
8803 
8804 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8805 	bnx2x_cl45_write(bp, phy,
8806 			 MDIO_PMA_DEVAD,
8807 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8808 
8809 	msleep(200);
8810 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8811 }
8812 
8813 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8814 				 struct link_params *params,
8815 				 struct link_vars *vars)
8816 {
8817 	struct bnx2x *bp = params->bp;
8818 	u16 val1;
8819 	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8820 	if (link_up) {
8821 		bnx2x_cl45_read(bp, phy,
8822 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8823 				&val1);
8824 		if (val1 & (1<<15)) {
8825 			DP(NETIF_MSG_LINK, "Tx is disabled\n");
8826 			link_up = 0;
8827 			vars->line_speed = 0;
8828 		}
8829 	}
8830 	return link_up;
8831 }
8832 
8833 
8834 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8835 				  struct link_params *params,
8836 				  struct link_vars *vars)
8837 {
8838 	struct bnx2x *bp = params->bp;
8839 	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8840 
8841 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8842 	bnx2x_wait_reset_complete(bp, phy, params);
8843 
8844 	bnx2x_8726_external_rom_boot(phy, params);
8845 
8846 	/* Need to call module detected on initialization since the module
8847 	 * detection triggered by actual module insertion might occur before
8848 	 * driver is loaded, and when driver is loaded, it reset all
8849 	 * registers, including the transmitter
8850 	 */
8851 	bnx2x_sfp_module_detection(phy, params);
8852 
8853 	if (phy->req_line_speed == SPEED_1000) {
8854 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
8855 		bnx2x_cl45_write(bp, phy,
8856 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8857 		bnx2x_cl45_write(bp, phy,
8858 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8859 		bnx2x_cl45_write(bp, phy,
8860 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
8861 		bnx2x_cl45_write(bp, phy,
8862 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8863 				 0x400);
8864 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8865 		   (phy->speed_cap_mask &
8866 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8867 		   ((phy->speed_cap_mask &
8868 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8869 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8870 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8871 		/* Set Flow control */
8872 		bnx2x_ext_phy_set_pause(params, phy, vars);
8873 		bnx2x_cl45_write(bp, phy,
8874 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8875 		bnx2x_cl45_write(bp, phy,
8876 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8877 		bnx2x_cl45_write(bp, phy,
8878 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8879 		bnx2x_cl45_write(bp, phy,
8880 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8881 		bnx2x_cl45_write(bp, phy,
8882 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8883 		/* Enable RX-ALARM control to receive interrupt for 1G speed
8884 		 * change
8885 		 */
8886 		bnx2x_cl45_write(bp, phy,
8887 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
8888 		bnx2x_cl45_write(bp, phy,
8889 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8890 				 0x400);
8891 
8892 	} else { /* Default 10G. Set only LASI control */
8893 		bnx2x_cl45_write(bp, phy,
8894 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8895 	}
8896 
8897 	/* Set TX PreEmphasis if needed */
8898 	if ((params->feature_config_flags &
8899 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8900 		DP(NETIF_MSG_LINK,
8901 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8902 			 phy->tx_preemphasis[0],
8903 			 phy->tx_preemphasis[1]);
8904 		bnx2x_cl45_write(bp, phy,
8905 				 MDIO_PMA_DEVAD,
8906 				 MDIO_PMA_REG_8726_TX_CTRL1,
8907 				 phy->tx_preemphasis[0]);
8908 
8909 		bnx2x_cl45_write(bp, phy,
8910 				 MDIO_PMA_DEVAD,
8911 				 MDIO_PMA_REG_8726_TX_CTRL2,
8912 				 phy->tx_preemphasis[1]);
8913 	}
8914 
8915 	return 0;
8916 
8917 }
8918 
8919 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8920 				  struct link_params *params)
8921 {
8922 	struct bnx2x *bp = params->bp;
8923 	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8924 	/* Set serial boot control for external load */
8925 	bnx2x_cl45_write(bp, phy,
8926 			 MDIO_PMA_DEVAD,
8927 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8928 }
8929 
8930 /******************************************************************/
8931 /*			BCM8727 PHY SECTION			  */
8932 /******************************************************************/
8933 
8934 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8935 				    struct link_params *params, u8 mode)
8936 {
8937 	struct bnx2x *bp = params->bp;
8938 	u16 led_mode_bitmask = 0;
8939 	u16 gpio_pins_bitmask = 0;
8940 	u16 val;
8941 	/* Only NOC flavor requires to set the LED specifically */
8942 	if (!(phy->flags & FLAGS_NOC))
8943 		return;
8944 	switch (mode) {
8945 	case LED_MODE_FRONT_PANEL_OFF:
8946 	case LED_MODE_OFF:
8947 		led_mode_bitmask = 0;
8948 		gpio_pins_bitmask = 0x03;
8949 		break;
8950 	case LED_MODE_ON:
8951 		led_mode_bitmask = 0;
8952 		gpio_pins_bitmask = 0x02;
8953 		break;
8954 	case LED_MODE_OPER:
8955 		led_mode_bitmask = 0x60;
8956 		gpio_pins_bitmask = 0x11;
8957 		break;
8958 	}
8959 	bnx2x_cl45_read(bp, phy,
8960 			MDIO_PMA_DEVAD,
8961 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8962 			&val);
8963 	val &= 0xff8f;
8964 	val |= led_mode_bitmask;
8965 	bnx2x_cl45_write(bp, phy,
8966 			 MDIO_PMA_DEVAD,
8967 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8968 			 val);
8969 	bnx2x_cl45_read(bp, phy,
8970 			MDIO_PMA_DEVAD,
8971 			MDIO_PMA_REG_8727_GPIO_CTRL,
8972 			&val);
8973 	val &= 0xffe0;
8974 	val |= gpio_pins_bitmask;
8975 	bnx2x_cl45_write(bp, phy,
8976 			 MDIO_PMA_DEVAD,
8977 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8978 			 val);
8979 }
8980 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8981 				struct link_params *params) {
8982 	u32 swap_val, swap_override;
8983 	u8 port;
8984 	/* The PHY reset is controlled by GPIO 1. Fake the port number
8985 	 * to cancel the swap done in set_gpio()
8986 	 */
8987 	struct bnx2x *bp = params->bp;
8988 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8989 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8990 	port = (swap_val && swap_override) ^ 1;
8991 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
8992 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8993 }
8994 
8995 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
8996 				    struct link_params *params)
8997 {
8998 	struct bnx2x *bp = params->bp;
8999 	u16 tmp1, val;
9000 	/* Set option 1G speed */
9001 	if ((phy->req_line_speed == SPEED_1000) ||
9002 	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9003 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9004 		bnx2x_cl45_write(bp, phy,
9005 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9006 		bnx2x_cl45_write(bp, phy,
9007 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9008 		bnx2x_cl45_read(bp, phy,
9009 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9010 		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9011 		/* Power down the XAUI until link is up in case of dual-media
9012 		 * and 1G
9013 		 */
9014 		if (DUAL_MEDIA(params)) {
9015 			bnx2x_cl45_read(bp, phy,
9016 					MDIO_PMA_DEVAD,
9017 					MDIO_PMA_REG_8727_PCS_GP, &val);
9018 			val |= (3<<10);
9019 			bnx2x_cl45_write(bp, phy,
9020 					 MDIO_PMA_DEVAD,
9021 					 MDIO_PMA_REG_8727_PCS_GP, val);
9022 		}
9023 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9024 		   ((phy->speed_cap_mask &
9025 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9026 		   ((phy->speed_cap_mask &
9027 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9028 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9029 
9030 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9031 		bnx2x_cl45_write(bp, phy,
9032 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9033 		bnx2x_cl45_write(bp, phy,
9034 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9035 	} else {
9036 		/* Since the 8727 has only single reset pin, need to set the 10G
9037 		 * registers although it is default
9038 		 */
9039 		bnx2x_cl45_write(bp, phy,
9040 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9041 				 0x0020);
9042 		bnx2x_cl45_write(bp, phy,
9043 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9044 		bnx2x_cl45_write(bp, phy,
9045 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9046 		bnx2x_cl45_write(bp, phy,
9047 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9048 				 0x0008);
9049 	}
9050 }
9051 
9052 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9053 				  struct link_params *params,
9054 				  struct link_vars *vars)
9055 {
9056 	u32 tx_en_mode;
9057 	u16 tmp1, val, mod_abs, tmp2;
9058 	u16 rx_alarm_ctrl_val;
9059 	u16 lasi_ctrl_val;
9060 	struct bnx2x *bp = params->bp;
9061 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9062 
9063 	bnx2x_wait_reset_complete(bp, phy, params);
9064 	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
9065 	/* Should be 0x6 to enable XS on Tx side. */
9066 	lasi_ctrl_val = 0x0006;
9067 
9068 	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9069 	/* Enable LASI */
9070 	bnx2x_cl45_write(bp, phy,
9071 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9072 			 rx_alarm_ctrl_val);
9073 	bnx2x_cl45_write(bp, phy,
9074 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9075 			 0);
9076 	bnx2x_cl45_write(bp, phy,
9077 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
9078 
9079 	/* Initially configure MOD_ABS to interrupt when module is
9080 	 * presence( bit 8)
9081 	 */
9082 	bnx2x_cl45_read(bp, phy,
9083 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9084 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9085 	 * When the EDC is off it locks onto a reference clock and avoids
9086 	 * becoming 'lost'
9087 	 */
9088 	mod_abs &= ~(1<<8);
9089 	if (!(phy->flags & FLAGS_NOC))
9090 		mod_abs &= ~(1<<9);
9091 	bnx2x_cl45_write(bp, phy,
9092 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9093 
9094 
9095 	/* Enable/Disable PHY transmitter output */
9096 	bnx2x_set_disable_pmd_transmit(params, phy, 0);
9097 
9098 	/* Make MOD_ABS give interrupt on change */
9099 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9100 			&val);
9101 	val |= (1<<12);
9102 	if (phy->flags & FLAGS_NOC)
9103 		val |= (3<<5);
9104 
9105 	/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
9106 	 * status which reflect SFP+ module over-current
9107 	 */
9108 	if (!(phy->flags & FLAGS_NOC))
9109 		val &= 0xff8f; /* Reset bits 4-6 */
9110 	bnx2x_cl45_write(bp, phy,
9111 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
9112 
9113 	bnx2x_8727_power_module(bp, phy, 1);
9114 
9115 	bnx2x_cl45_read(bp, phy,
9116 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9117 
9118 	bnx2x_cl45_read(bp, phy,
9119 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9120 
9121 	bnx2x_8727_config_speed(phy, params);
9122 	/* Set 2-wire transfer rate of SFP+ module EEPROM
9123 	 * to 100Khz since some DACs(direct attached cables) do
9124 	 * not work at 400Khz.
9125 	 */
9126 	bnx2x_cl45_write(bp, phy,
9127 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
9128 			 0xa001);
9129 
9130 	/* Set TX PreEmphasis if needed */
9131 	if ((params->feature_config_flags &
9132 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9133 		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9134 			   phy->tx_preemphasis[0],
9135 			   phy->tx_preemphasis[1]);
9136 		bnx2x_cl45_write(bp, phy,
9137 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9138 				 phy->tx_preemphasis[0]);
9139 
9140 		bnx2x_cl45_write(bp, phy,
9141 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9142 				 phy->tx_preemphasis[1]);
9143 	}
9144 
9145 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9146 	 * power mode, if TX Laser is disabled
9147 	 */
9148 	tx_en_mode = REG_RD(bp, params->shmem_base +
9149 			    offsetof(struct shmem_region,
9150 				dev_info.port_hw_config[params->port].sfp_ctrl))
9151 			& PORT_HW_CFG_TX_LASER_MASK;
9152 
9153 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9154 
9155 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9156 		bnx2x_cl45_read(bp, phy,
9157 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9158 		tmp2 |= 0x1000;
9159 		tmp2 &= 0xFFEF;
9160 		bnx2x_cl45_write(bp, phy,
9161 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9162 		bnx2x_cl45_read(bp, phy,
9163 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9164 				&tmp2);
9165 		bnx2x_cl45_write(bp, phy,
9166 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9167 				 (tmp2 & 0x7fff));
9168 	}
9169 
9170 	return 0;
9171 }
9172 
9173 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9174 				      struct link_params *params)
9175 {
9176 	struct bnx2x *bp = params->bp;
9177 	u16 mod_abs, rx_alarm_status;
9178 	u32 val = REG_RD(bp, params->shmem_base +
9179 			     offsetof(struct shmem_region, dev_info.
9180 				      port_feature_config[params->port].
9181 				      config));
9182 	bnx2x_cl45_read(bp, phy,
9183 			MDIO_PMA_DEVAD,
9184 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9185 	if (mod_abs & (1<<8)) {
9186 
9187 		/* Module is absent */
9188 		DP(NETIF_MSG_LINK,
9189 		   "MOD_ABS indication show module is absent\n");
9190 		phy->media_type = ETH_PHY_NOT_PRESENT;
9191 		/* 1. Set mod_abs to detect next module
9192 		 *    presence event
9193 		 * 2. Set EDC off by setting OPTXLOS signal input to low
9194 		 *    (bit 9).
9195 		 *    When the EDC is off it locks onto a reference clock and
9196 		 *    avoids becoming 'lost'.
9197 		 */
9198 		mod_abs &= ~(1<<8);
9199 		if (!(phy->flags & FLAGS_NOC))
9200 			mod_abs &= ~(1<<9);
9201 		bnx2x_cl45_write(bp, phy,
9202 				 MDIO_PMA_DEVAD,
9203 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9204 
9205 		/* Clear RX alarm since it stays up as long as
9206 		 * the mod_abs wasn't changed
9207 		 */
9208 		bnx2x_cl45_read(bp, phy,
9209 				MDIO_PMA_DEVAD,
9210 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9211 
9212 	} else {
9213 		/* Module is present */
9214 		DP(NETIF_MSG_LINK,
9215 		   "MOD_ABS indication show module is present\n");
9216 		/* First disable transmitter, and if the module is ok, the
9217 		 * module_detection will enable it
9218 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9219 		 * 2. Restore the default polarity of the OPRXLOS signal and
9220 		 * this signal will then correctly indicate the presence or
9221 		 * absence of the Rx signal. (bit 9)
9222 		 */
9223 		mod_abs |= (1<<8);
9224 		if (!(phy->flags & FLAGS_NOC))
9225 			mod_abs |= (1<<9);
9226 		bnx2x_cl45_write(bp, phy,
9227 				 MDIO_PMA_DEVAD,
9228 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9229 
9230 		/* Clear RX alarm since it stays up as long as the mod_abs
9231 		 * wasn't changed. This is need to be done before calling the
9232 		 * module detection, otherwise it will clear* the link update
9233 		 * alarm
9234 		 */
9235 		bnx2x_cl45_read(bp, phy,
9236 				MDIO_PMA_DEVAD,
9237 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9238 
9239 
9240 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9241 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9242 			bnx2x_sfp_set_transmitter(params, phy, 0);
9243 
9244 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9245 			bnx2x_sfp_module_detection(phy, params);
9246 		else
9247 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9248 
9249 		/* Reconfigure link speed based on module type limitations */
9250 		bnx2x_8727_config_speed(phy, params);
9251 	}
9252 
9253 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9254 		   rx_alarm_status);
9255 	/* No need to check link status in case of module plugged in/out */
9256 }
9257 
9258 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9259 				 struct link_params *params,
9260 				 struct link_vars *vars)
9261 
9262 {
9263 	struct bnx2x *bp = params->bp;
9264 	u8 link_up = 0, oc_port = params->port;
9265 	u16 link_status = 0;
9266 	u16 rx_alarm_status, lasi_ctrl, val1;
9267 
9268 	/* If PHY is not initialized, do not check link status */
9269 	bnx2x_cl45_read(bp, phy,
9270 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9271 			&lasi_ctrl);
9272 	if (!lasi_ctrl)
9273 		return 0;
9274 
9275 	/* Check the LASI on Rx */
9276 	bnx2x_cl45_read(bp, phy,
9277 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9278 			&rx_alarm_status);
9279 	vars->line_speed = 0;
9280 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9281 
9282 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9283 			     MDIO_PMA_LASI_TXCTRL);
9284 
9285 	bnx2x_cl45_read(bp, phy,
9286 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9287 
9288 	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9289 
9290 	/* Clear MSG-OUT */
9291 	bnx2x_cl45_read(bp, phy,
9292 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9293 
9294 	/* If a module is present and there is need to check
9295 	 * for over current
9296 	 */
9297 	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9298 		/* Check over-current using 8727 GPIO0 input*/
9299 		bnx2x_cl45_read(bp, phy,
9300 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9301 				&val1);
9302 
9303 		if ((val1 & (1<<8)) == 0) {
9304 			if (!CHIP_IS_E1x(bp))
9305 				oc_port = BP_PATH(bp) + (params->port << 1);
9306 			DP(NETIF_MSG_LINK,
9307 			   "8727 Power fault has been detected on port %d\n",
9308 			   oc_port);
9309 			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9310 					    "been detected and the power to "
9311 					    "that SFP+ module has been removed "
9312 					    "to prevent failure of the card. "
9313 					    "Please remove the SFP+ module and "
9314 					    "restart the system to clear this "
9315 					    "error.\n",
9316 			 oc_port);
9317 			/* Disable all RX_ALARMs except for mod_abs */
9318 			bnx2x_cl45_write(bp, phy,
9319 					 MDIO_PMA_DEVAD,
9320 					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9321 
9322 			bnx2x_cl45_read(bp, phy,
9323 					MDIO_PMA_DEVAD,
9324 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9325 			/* Wait for module_absent_event */
9326 			val1 |= (1<<8);
9327 			bnx2x_cl45_write(bp, phy,
9328 					 MDIO_PMA_DEVAD,
9329 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9330 			/* Clear RX alarm */
9331 			bnx2x_cl45_read(bp, phy,
9332 				MDIO_PMA_DEVAD,
9333 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9334 			return 0;
9335 		}
9336 	} /* Over current check */
9337 
9338 	/* When module absent bit is set, check module */
9339 	if (rx_alarm_status & (1<<5)) {
9340 		bnx2x_8727_handle_mod_abs(phy, params);
9341 		/* Enable all mod_abs and link detection bits */
9342 		bnx2x_cl45_write(bp, phy,
9343 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9344 				 ((1<<5) | (1<<2)));
9345 	}
9346 
9347 	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9348 		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9349 		bnx2x_sfp_set_transmitter(params, phy, 1);
9350 	} else {
9351 		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9352 		return 0;
9353 	}
9354 
9355 	bnx2x_cl45_read(bp, phy,
9356 			MDIO_PMA_DEVAD,
9357 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9358 
9359 	/* Bits 0..2 --> speed detected,
9360 	 * Bits 13..15--> link is down
9361 	 */
9362 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9363 		link_up = 1;
9364 		vars->line_speed = SPEED_10000;
9365 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9366 			   params->port);
9367 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9368 		link_up = 1;
9369 		vars->line_speed = SPEED_1000;
9370 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9371 			   params->port);
9372 	} else {
9373 		link_up = 0;
9374 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9375 			   params->port);
9376 	}
9377 
9378 	/* Capture 10G link fault. */
9379 	if (vars->line_speed == SPEED_10000) {
9380 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9381 			    MDIO_PMA_LASI_TXSTAT, &val1);
9382 
9383 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9384 			    MDIO_PMA_LASI_TXSTAT, &val1);
9385 
9386 		if (val1 & (1<<0)) {
9387 			vars->fault_detected = 1;
9388 		}
9389 	}
9390 
9391 	if (link_up) {
9392 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9393 		vars->duplex = DUPLEX_FULL;
9394 		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9395 	}
9396 
9397 	if ((DUAL_MEDIA(params)) &&
9398 	    (phy->req_line_speed == SPEED_1000)) {
9399 		bnx2x_cl45_read(bp, phy,
9400 				MDIO_PMA_DEVAD,
9401 				MDIO_PMA_REG_8727_PCS_GP, &val1);
9402 		/* In case of dual-media board and 1G, power up the XAUI side,
9403 		 * otherwise power it down. For 10G it is done automatically
9404 		 */
9405 		if (link_up)
9406 			val1 &= ~(3<<10);
9407 		else
9408 			val1 |= (3<<10);
9409 		bnx2x_cl45_write(bp, phy,
9410 				 MDIO_PMA_DEVAD,
9411 				 MDIO_PMA_REG_8727_PCS_GP, val1);
9412 	}
9413 	return link_up;
9414 }
9415 
9416 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9417 				  struct link_params *params)
9418 {
9419 	struct bnx2x *bp = params->bp;
9420 
9421 	/* Enable/Disable PHY transmitter output */
9422 	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9423 
9424 	/* Disable Transmitter */
9425 	bnx2x_sfp_set_transmitter(params, phy, 0);
9426 	/* Clear LASI */
9427 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9428 
9429 }
9430 
9431 /******************************************************************/
9432 /*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9433 /******************************************************************/
9434 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9435 					    struct bnx2x *bp,
9436 					    u8 port)
9437 {
9438 	u16 val, fw_ver1, fw_ver2, cnt;
9439 
9440 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9441 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9442 		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9443 				phy->ver_addr);
9444 	} else {
9445 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9446 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9447 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9448 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9449 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9450 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9451 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
9452 
9453 		for (cnt = 0; cnt < 100; cnt++) {
9454 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9455 			if (val & 1)
9456 				break;
9457 			udelay(5);
9458 		}
9459 		if (cnt == 100) {
9460 			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9461 					"phy fw version(1)\n");
9462 			bnx2x_save_spirom_version(bp, port, 0,
9463 						  phy->ver_addr);
9464 			return;
9465 		}
9466 
9467 
9468 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9469 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9470 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9471 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9472 		for (cnt = 0; cnt < 100; cnt++) {
9473 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9474 			if (val & 1)
9475 				break;
9476 			udelay(5);
9477 		}
9478 		if (cnt == 100) {
9479 			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9480 					"version(2)\n");
9481 			bnx2x_save_spirom_version(bp, port, 0,
9482 						  phy->ver_addr);
9483 			return;
9484 		}
9485 
9486 		/* lower 16 bits of the register SPI_FW_STATUS */
9487 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9488 		/* upper 16 bits of register SPI_FW_STATUS */
9489 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9490 
9491 		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9492 					  phy->ver_addr);
9493 	}
9494 
9495 }
9496 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9497 				struct bnx2x_phy *phy)
9498 {
9499 	u16 val, offset;
9500 
9501 	/* PHYC_CTL_LED_CTL */
9502 	bnx2x_cl45_read(bp, phy,
9503 			MDIO_PMA_DEVAD,
9504 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9505 	val &= 0xFE00;
9506 	val |= 0x0092;
9507 
9508 	bnx2x_cl45_write(bp, phy,
9509 			 MDIO_PMA_DEVAD,
9510 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9511 
9512 	bnx2x_cl45_write(bp, phy,
9513 			 MDIO_PMA_DEVAD,
9514 			 MDIO_PMA_REG_8481_LED1_MASK,
9515 			 0x80);
9516 
9517 	bnx2x_cl45_write(bp, phy,
9518 			 MDIO_PMA_DEVAD,
9519 			 MDIO_PMA_REG_8481_LED2_MASK,
9520 			 0x18);
9521 
9522 	/* Select activity source by Tx and Rx, as suggested by PHY AE */
9523 	bnx2x_cl45_write(bp, phy,
9524 			 MDIO_PMA_DEVAD,
9525 			 MDIO_PMA_REG_8481_LED3_MASK,
9526 			 0x0006);
9527 
9528 	/* Select the closest activity blink rate to that in 10/100/1000 */
9529 	bnx2x_cl45_write(bp, phy,
9530 			MDIO_PMA_DEVAD,
9531 			MDIO_PMA_REG_8481_LED3_BLINK,
9532 			0);
9533 
9534 	/* Configure the blink rate to ~15.9 Hz */
9535 	bnx2x_cl45_write(bp, phy,
9536 			MDIO_PMA_DEVAD,
9537 			MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9538 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
9539 
9540 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9541 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9542 	else
9543 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9544 
9545 	bnx2x_cl45_read(bp, phy,
9546 			MDIO_PMA_DEVAD, offset, &val);
9547 	val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9548 	bnx2x_cl45_write(bp, phy,
9549 			 MDIO_PMA_DEVAD, offset, val);
9550 
9551 	/* 'Interrupt Mask' */
9552 	bnx2x_cl45_write(bp, phy,
9553 			 MDIO_AN_DEVAD,
9554 			 0xFFFB, 0xFFFD);
9555 }
9556 
9557 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9558 				       struct link_params *params,
9559 				       struct link_vars *vars)
9560 {
9561 	struct bnx2x *bp = params->bp;
9562 	u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
9563 
9564 	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9565 		/* Save spirom version */
9566 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9567 	}
9568 	/* This phy uses the NIG latch mechanism since link indication
9569 	 * arrives through its LED4 and not via its LASI signal, so we
9570 	 * get steady signal instead of clear on read
9571 	 */
9572 	bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9573 		      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9574 
9575 	bnx2x_cl45_write(bp, phy,
9576 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9577 
9578 	bnx2x_848xx_set_led(bp, phy);
9579 
9580 	/* set 1000 speed advertisement */
9581 	bnx2x_cl45_read(bp, phy,
9582 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9583 			&an_1000_val);
9584 
9585 	bnx2x_ext_phy_set_pause(params, phy, vars);
9586 	bnx2x_cl45_read(bp, phy,
9587 			MDIO_AN_DEVAD,
9588 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9589 			&an_10_100_val);
9590 	bnx2x_cl45_read(bp, phy,
9591 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9592 			&autoneg_val);
9593 	/* Disable forced speed */
9594 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9595 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9596 
9597 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9598 	     (phy->speed_cap_mask &
9599 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9600 	    (phy->req_line_speed == SPEED_1000)) {
9601 		an_1000_val |= (1<<8);
9602 		autoneg_val |= (1<<9 | 1<<12);
9603 		if (phy->req_duplex == DUPLEX_FULL)
9604 			an_1000_val |= (1<<9);
9605 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9606 	} else
9607 		an_1000_val &= ~((1<<8) | (1<<9));
9608 
9609 	bnx2x_cl45_write(bp, phy,
9610 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9611 			 an_1000_val);
9612 
9613 	/* set 100 speed advertisement */
9614 	if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9615 	     (phy->speed_cap_mask &
9616 	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9617 	       PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
9618 		an_10_100_val |= (1<<7);
9619 		/* Enable autoneg and restart autoneg for legacy speeds */
9620 		autoneg_val |= (1<<9 | 1<<12);
9621 
9622 		if (phy->req_duplex == DUPLEX_FULL)
9623 			an_10_100_val |= (1<<8);
9624 		DP(NETIF_MSG_LINK, "Advertising 100M\n");
9625 	}
9626 	/* set 10 speed advertisement */
9627 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9628 	     (phy->speed_cap_mask &
9629 	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9630 	       PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9631 	     (phy->supported &
9632 	      (SUPPORTED_10baseT_Half |
9633 	       SUPPORTED_10baseT_Full)))) {
9634 		an_10_100_val |= (1<<5);
9635 		autoneg_val |= (1<<9 | 1<<12);
9636 		if (phy->req_duplex == DUPLEX_FULL)
9637 			an_10_100_val |= (1<<6);
9638 		DP(NETIF_MSG_LINK, "Advertising 10M\n");
9639 	}
9640 
9641 	/* Only 10/100 are allowed to work in FORCE mode */
9642 	if ((phy->req_line_speed == SPEED_100) &&
9643 	    (phy->supported &
9644 	     (SUPPORTED_100baseT_Half |
9645 	      SUPPORTED_100baseT_Full))) {
9646 		autoneg_val |= (1<<13);
9647 		/* Enabled AUTO-MDIX when autoneg is disabled */
9648 		bnx2x_cl45_write(bp, phy,
9649 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9650 				 (1<<15 | 1<<9 | 7<<0));
9651 		/* The PHY needs this set even for forced link. */
9652 		an_10_100_val |= (1<<8) | (1<<7);
9653 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9654 	}
9655 	if ((phy->req_line_speed == SPEED_10) &&
9656 	    (phy->supported &
9657 	     (SUPPORTED_10baseT_Half |
9658 	      SUPPORTED_10baseT_Full))) {
9659 		/* Enabled AUTO-MDIX when autoneg is disabled */
9660 		bnx2x_cl45_write(bp, phy,
9661 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9662 				 (1<<15 | 1<<9 | 7<<0));
9663 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9664 	}
9665 
9666 	bnx2x_cl45_write(bp, phy,
9667 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9668 			 an_10_100_val);
9669 
9670 	if (phy->req_duplex == DUPLEX_FULL)
9671 		autoneg_val |= (1<<8);
9672 
9673 	/* Always write this if this is not 84833.
9674 	 * For 84833, write it only when it's a forced speed.
9675 	 */
9676 	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9677 		((autoneg_val & (1<<12)) == 0))
9678 		bnx2x_cl45_write(bp, phy,
9679 			 MDIO_AN_DEVAD,
9680 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9681 
9682 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9683 	    (phy->speed_cap_mask &
9684 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9685 		(phy->req_line_speed == SPEED_10000)) {
9686 			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9687 			/* Restart autoneg for 10G*/
9688 
9689 			bnx2x_cl45_read(bp, phy,
9690 					MDIO_AN_DEVAD,
9691 					MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9692 					&an_10g_val);
9693 			bnx2x_cl45_write(bp, phy,
9694 					 MDIO_AN_DEVAD,
9695 					 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9696 					 an_10g_val | 0x1000);
9697 			bnx2x_cl45_write(bp, phy,
9698 					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9699 					 0x3200);
9700 	} else
9701 		bnx2x_cl45_write(bp, phy,
9702 				 MDIO_AN_DEVAD,
9703 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9704 				 1);
9705 
9706 	return 0;
9707 }
9708 
9709 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9710 				  struct link_params *params,
9711 				  struct link_vars *vars)
9712 {
9713 	struct bnx2x *bp = params->bp;
9714 	/* Restore normal power mode*/
9715 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9716 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9717 
9718 	/* HW reset */
9719 	bnx2x_ext_phy_hw_reset(bp, params->port);
9720 	bnx2x_wait_reset_complete(bp, phy, params);
9721 
9722 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9723 	return bnx2x_848xx_cmn_config_init(phy, params, vars);
9724 }
9725 
9726 #define PHY84833_CMDHDLR_WAIT 300
9727 #define PHY84833_CMDHDLR_MAX_ARGS 5
9728 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9729 				   struct link_params *params,
9730 		   u16 fw_cmd,
9731 		   u16 cmd_args[], int argc)
9732 {
9733 	int idx;
9734 	u16 val;
9735 	struct bnx2x *bp = params->bp;
9736 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
9737 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9738 			MDIO_84833_CMD_HDLR_STATUS,
9739 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9740 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9741 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9742 				MDIO_84833_CMD_HDLR_STATUS, &val);
9743 		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9744 			break;
9745 		 usleep_range(1000, 2000);
9746 	}
9747 	if (idx >= PHY84833_CMDHDLR_WAIT) {
9748 		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9749 		return -EINVAL;
9750 	}
9751 
9752 	/* Prepare argument(s) and issue command */
9753 	for (idx = 0; idx < argc; idx++) {
9754 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9755 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9756 				cmd_args[idx]);
9757 	}
9758 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9759 			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9760 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9761 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9762 				MDIO_84833_CMD_HDLR_STATUS, &val);
9763 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9764 			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9765 			break;
9766 		 usleep_range(1000, 2000);
9767 	}
9768 	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9769 		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9770 		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9771 		return -EINVAL;
9772 	}
9773 	/* Gather returning data */
9774 	for (idx = 0; idx < argc; idx++) {
9775 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9776 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9777 				&cmd_args[idx]);
9778 	}
9779 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9780 			MDIO_84833_CMD_HDLR_STATUS,
9781 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9782 	return 0;
9783 }
9784 
9785 
9786 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9787 				   struct link_params *params,
9788 				   struct link_vars *vars)
9789 {
9790 	u32 pair_swap;
9791 	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9792 	int status;
9793 	struct bnx2x *bp = params->bp;
9794 
9795 	/* Check for configuration. */
9796 	pair_swap = REG_RD(bp, params->shmem_base +
9797 			   offsetof(struct shmem_region,
9798 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9799 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9800 
9801 	if (pair_swap == 0)
9802 		return 0;
9803 
9804 	/* Only the second argument is used for this command */
9805 	data[1] = (u16)pair_swap;
9806 
9807 	status = bnx2x_84833_cmd_hdlr(phy, params,
9808 		PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9809 	if (status == 0)
9810 		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9811 
9812 	return status;
9813 }
9814 
9815 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9816 				      u32 shmem_base_path[],
9817 				      u32 chip_id)
9818 {
9819 	u32 reset_pin[2];
9820 	u32 idx;
9821 	u8 reset_gpios;
9822 	if (CHIP_IS_E3(bp)) {
9823 		/* Assume that these will be GPIOs, not EPIOs. */
9824 		for (idx = 0; idx < 2; idx++) {
9825 			/* Map config param to register bit. */
9826 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9827 				offsetof(struct shmem_region,
9828 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9829 			reset_pin[idx] = (reset_pin[idx] &
9830 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9831 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9832 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9833 			reset_pin[idx] = (1 << reset_pin[idx]);
9834 		}
9835 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9836 	} else {
9837 		/* E2, look from diff place of shmem. */
9838 		for (idx = 0; idx < 2; idx++) {
9839 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9840 				offsetof(struct shmem_region,
9841 				dev_info.port_hw_config[0].default_cfg));
9842 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9843 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9844 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9845 			reset_pin[idx] = (1 << reset_pin[idx]);
9846 		}
9847 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9848 	}
9849 
9850 	return reset_gpios;
9851 }
9852 
9853 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9854 				struct link_params *params)
9855 {
9856 	struct bnx2x *bp = params->bp;
9857 	u8 reset_gpios;
9858 	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9859 				offsetof(struct shmem2_region,
9860 				other_shmem_base_addr));
9861 
9862 	u32 shmem_base_path[2];
9863 
9864 	/* Work around for 84833 LED failure inside RESET status */
9865 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9866 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9867 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9868 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9869 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9870 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9871 
9872 	shmem_base_path[0] = params->shmem_base;
9873 	shmem_base_path[1] = other_shmem_base_addr;
9874 
9875 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9876 						  params->chip_id);
9877 
9878 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9879 	udelay(10);
9880 	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9881 		reset_gpios);
9882 
9883 	return 0;
9884 }
9885 
9886 static int bnx2x_8483x_eee_timers(struct link_params *params,
9887 				   struct link_vars *vars)
9888 {
9889 	u32 eee_idle = 0, eee_mode;
9890 	struct bnx2x *bp = params->bp;
9891 
9892 	eee_idle = bnx2x_eee_calc_timer(params);
9893 
9894 	if (eee_idle) {
9895 		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
9896 		       eee_idle);
9897 	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
9898 		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
9899 		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
9900 		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
9901 		return -EINVAL;
9902 	}
9903 
9904 	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
9905 	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
9906 		/* eee_idle in 1u --> eee_status in 16u */
9907 		eee_idle >>= 4;
9908 		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
9909 				    SHMEM_EEE_TIME_OUTPUT_BIT;
9910 	} else {
9911 		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
9912 			return -EINVAL;
9913 		vars->eee_status |= eee_mode;
9914 	}
9915 
9916 	return 0;
9917 }
9918 
9919 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
9920 				   struct link_params *params,
9921 				   struct link_vars *vars)
9922 {
9923 	int rc;
9924 	struct bnx2x *bp = params->bp;
9925 	u16 cmd_args = 0;
9926 
9927 	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
9928 
9929 	/* Make Certain LPI is disabled */
9930 	REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
9931 	REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
9932 
9933 	/* Prevent Phy from working in EEE and advertising it */
9934 	rc = bnx2x_84833_cmd_hdlr(phy, params,
9935 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
9936 	if (rc) {
9937 		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
9938 		return rc;
9939 	}
9940 
9941 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
9942 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
9943 
9944 	return 0;
9945 }
9946 
9947 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
9948 				   struct link_params *params,
9949 				   struct link_vars *vars)
9950 {
9951 	int rc;
9952 	struct bnx2x *bp = params->bp;
9953 	u16 cmd_args = 1;
9954 
9955 	DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
9956 
9957 	rc = bnx2x_84833_cmd_hdlr(phy, params,
9958 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
9959 	if (rc) {
9960 		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
9961 		return rc;
9962 	}
9963 
9964 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
9965 
9966 	/* Mask events preventing LPI generation */
9967 	REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
9968 
9969 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
9970 	vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
9971 
9972 	return 0;
9973 }
9974 
9975 #define PHY84833_CONSTANT_LATENCY 1193
9976 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9977 				   struct link_params *params,
9978 				   struct link_vars *vars)
9979 {
9980 	struct bnx2x *bp = params->bp;
9981 	u8 port, initialize = 1;
9982 	u16 val;
9983 	u32 actual_phy_selection, cms_enable;
9984 	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
9985 	int rc = 0;
9986 
9987 	 usleep_range(1000, 2000);
9988 
9989 	if (!(CHIP_IS_E1x(bp)))
9990 		port = BP_PATH(bp);
9991 	else
9992 		port = params->port;
9993 
9994 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9995 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
9996 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
9997 			       port);
9998 	} else {
9999 		/* MDIO reset */
10000 		bnx2x_cl45_write(bp, phy,
10001 				MDIO_PMA_DEVAD,
10002 				MDIO_PMA_REG_CTRL, 0x8000);
10003 	}
10004 
10005 	bnx2x_wait_reset_complete(bp, phy, params);
10006 
10007 	/* Wait for GPHY to come out of reset */
10008 	msleep(50);
10009 	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10010 		/* BCM84823 requires that XGXS links up first @ 10G for normal
10011 		 * behavior.
10012 		 */
10013 		u16 temp;
10014 		temp = vars->line_speed;
10015 		vars->line_speed = SPEED_10000;
10016 		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10017 		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10018 		vars->line_speed = temp;
10019 	}
10020 
10021 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10022 			MDIO_CTL_REG_84823_MEDIA, &val);
10023 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10024 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10025 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10026 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10027 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10028 
10029 	if (CHIP_IS_E3(bp)) {
10030 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10031 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10032 	} else {
10033 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10034 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10035 	}
10036 
10037 	actual_phy_selection = bnx2x_phy_selection(params);
10038 
10039 	switch (actual_phy_selection) {
10040 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10041 		/* Do nothing. Essentially this is like the priority copper */
10042 		break;
10043 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10044 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10045 		break;
10046 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10047 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10048 		break;
10049 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10050 		/* Do nothing here. The first PHY won't be initialized at all */
10051 		break;
10052 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10053 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10054 		initialize = 0;
10055 		break;
10056 	}
10057 	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10058 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10059 
10060 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10061 			 MDIO_CTL_REG_84823_MEDIA, val);
10062 	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10063 		   params->multi_phy_config, val);
10064 
10065 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10066 		bnx2x_84833_pair_swap_cfg(phy, params, vars);
10067 
10068 		/* Keep AutogrEEEn disabled. */
10069 		cmd_args[0] = 0x0;
10070 		cmd_args[1] = 0x0;
10071 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10072 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10073 		rc = bnx2x_84833_cmd_hdlr(phy, params,
10074 			PHY84833_CMD_SET_EEE_MODE, cmd_args,
10075 			PHY84833_CMDHDLR_MAX_ARGS);
10076 		if (rc)
10077 			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10078 	}
10079 	if (initialize)
10080 		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10081 	else
10082 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10083 	/* 84833 PHY has a better feature and doesn't need to support this. */
10084 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10085 		cms_enable = REG_RD(bp, params->shmem_base +
10086 			offsetof(struct shmem_region,
10087 			dev_info.port_hw_config[params->port].default_cfg)) &
10088 			PORT_HW_CFG_ENABLE_CMS_MASK;
10089 
10090 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10091 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10092 		if (cms_enable)
10093 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10094 		else
10095 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10096 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10097 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10098 	}
10099 
10100 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10101 			MDIO_84833_TOP_CFG_FW_REV, &val);
10102 
10103 	/* Configure EEE support */
10104 	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
10105 		phy->flags |= FLAGS_EEE_10GBT;
10106 		vars->eee_status |= SHMEM_EEE_10G_ADV <<
10107 				    SHMEM_EEE_SUPPORTED_SHIFT;
10108 		/* Propogate params' bits --> vars (for migration exposure) */
10109 		if (params->eee_mode & EEE_MODE_ENABLE_LPI)
10110 			vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
10111 		else
10112 			vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
10113 
10114 		if (params->eee_mode & EEE_MODE_ADV_LPI)
10115 			vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
10116 		else
10117 			vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
10118 
10119 		rc = bnx2x_8483x_eee_timers(params, vars);
10120 		if (rc) {
10121 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10122 			bnx2x_8483x_disable_eee(phy, params, vars);
10123 			return rc;
10124 		}
10125 
10126 		if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
10127 		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
10128 		    (bnx2x_eee_calc_timer(params) ||
10129 		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10130 			rc = bnx2x_8483x_enable_eee(phy, params, vars);
10131 		else
10132 			rc = bnx2x_8483x_disable_eee(phy, params, vars);
10133 		if (rc) {
10134 			DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
10135 			return rc;
10136 		}
10137 	} else {
10138 		phy->flags &= ~FLAGS_EEE_10GBT;
10139 		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10140 	}
10141 
10142 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10143 		/* Bring PHY out of super isolate mode as the final step. */
10144 		bnx2x_cl45_read(bp, phy,
10145 				MDIO_CTL_DEVAD,
10146 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
10147 		val &= ~MDIO_84833_SUPER_ISOLATE;
10148 		bnx2x_cl45_write(bp, phy,
10149 				MDIO_CTL_DEVAD,
10150 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
10151 	}
10152 	return rc;
10153 }
10154 
10155 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10156 				  struct link_params *params,
10157 				  struct link_vars *vars)
10158 {
10159 	struct bnx2x *bp = params->bp;
10160 	u16 val, val1, val2;
10161 	u8 link_up = 0;
10162 
10163 
10164 	/* Check 10G-BaseT link status */
10165 	/* Check PMD signal ok */
10166 	bnx2x_cl45_read(bp, phy,
10167 			MDIO_AN_DEVAD, 0xFFFA, &val1);
10168 	bnx2x_cl45_read(bp, phy,
10169 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10170 			&val2);
10171 	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10172 
10173 	/* Check link 10G */
10174 	if (val2 & (1<<11)) {
10175 		vars->line_speed = SPEED_10000;
10176 		vars->duplex = DUPLEX_FULL;
10177 		link_up = 1;
10178 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10179 	} else { /* Check Legacy speed link */
10180 		u16 legacy_status, legacy_speed;
10181 
10182 		/* Enable expansion register 0x42 (Operation mode status) */
10183 		bnx2x_cl45_write(bp, phy,
10184 				 MDIO_AN_DEVAD,
10185 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10186 
10187 		/* Get legacy speed operation status */
10188 		bnx2x_cl45_read(bp, phy,
10189 				MDIO_AN_DEVAD,
10190 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10191 				&legacy_status);
10192 
10193 		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10194 		   legacy_status);
10195 		link_up = ((legacy_status & (1<<11)) == (1<<11));
10196 		legacy_speed = (legacy_status & (3<<9));
10197 		if (legacy_speed == (0<<9))
10198 			vars->line_speed = SPEED_10;
10199 		else if (legacy_speed == (1<<9))
10200 			vars->line_speed = SPEED_100;
10201 		else if (legacy_speed == (2<<9))
10202 			vars->line_speed = SPEED_1000;
10203 		else { /* Should not happen: Treat as link down */
10204 			vars->line_speed = 0;
10205 			link_up = 0;
10206 		}
10207 
10208 		if (link_up) {
10209 			if (legacy_status & (1<<8))
10210 				vars->duplex = DUPLEX_FULL;
10211 			else
10212 				vars->duplex = DUPLEX_HALF;
10213 
10214 			DP(NETIF_MSG_LINK,
10215 			   "Link is up in %dMbps, is_duplex_full= %d\n",
10216 			   vars->line_speed,
10217 			   (vars->duplex == DUPLEX_FULL));
10218 			/* Check legacy speed AN resolution */
10219 			bnx2x_cl45_read(bp, phy,
10220 					MDIO_AN_DEVAD,
10221 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10222 					&val);
10223 			if (val & (1<<5))
10224 				vars->link_status |=
10225 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10226 			bnx2x_cl45_read(bp, phy,
10227 					MDIO_AN_DEVAD,
10228 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10229 					&val);
10230 			if ((val & (1<<0)) == 0)
10231 				vars->link_status |=
10232 					LINK_STATUS_PARALLEL_DETECTION_USED;
10233 		}
10234 	}
10235 	if (link_up) {
10236 		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10237 			   vars->line_speed);
10238 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10239 
10240 		/* Read LP advertised speeds */
10241 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10242 				MDIO_AN_REG_CL37_FC_LP, &val);
10243 		if (val & (1<<5))
10244 			vars->link_status |=
10245 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10246 		if (val & (1<<6))
10247 			vars->link_status |=
10248 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10249 		if (val & (1<<7))
10250 			vars->link_status |=
10251 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10252 		if (val & (1<<8))
10253 			vars->link_status |=
10254 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10255 		if (val & (1<<9))
10256 			vars->link_status |=
10257 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10258 
10259 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10260 				MDIO_AN_REG_1000T_STATUS, &val);
10261 
10262 		if (val & (1<<10))
10263 			vars->link_status |=
10264 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10265 		if (val & (1<<11))
10266 			vars->link_status |=
10267 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10268 
10269 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10270 				MDIO_AN_REG_MASTER_STATUS, &val);
10271 
10272 		if (val & (1<<11))
10273 			vars->link_status |=
10274 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10275 
10276 		/* Determine if EEE was negotiated */
10277 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10278 			u32 eee_shmem = 0;
10279 
10280 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10281 					MDIO_AN_REG_EEE_ADV, &val1);
10282 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10283 					MDIO_AN_REG_LP_EEE_ADV, &val2);
10284 			if ((val1 & val2) & 0x8) {
10285 				DP(NETIF_MSG_LINK, "EEE negotiated\n");
10286 				vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
10287 			}
10288 
10289 			if (val2 & 0x12)
10290 				eee_shmem |= SHMEM_EEE_100M_ADV;
10291 			if (val2 & 0x4)
10292 				eee_shmem |= SHMEM_EEE_1G_ADV;
10293 			if (val2 & 0x68)
10294 				eee_shmem |= SHMEM_EEE_10G_ADV;
10295 
10296 			vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
10297 			vars->eee_status |= (eee_shmem <<
10298 					     SHMEM_EEE_LP_ADV_STATUS_SHIFT);
10299 		}
10300 	}
10301 
10302 	return link_up;
10303 }
10304 
10305 
10306 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10307 {
10308 	int status = 0;
10309 	u32 spirom_ver;
10310 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10311 	status = bnx2x_format_ver(spirom_ver, str, len);
10312 	return status;
10313 }
10314 
10315 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10316 				struct link_params *params)
10317 {
10318 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10319 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10320 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10321 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10322 }
10323 
10324 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10325 					struct link_params *params)
10326 {
10327 	bnx2x_cl45_write(params->bp, phy,
10328 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10329 	bnx2x_cl45_write(params->bp, phy,
10330 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10331 }
10332 
10333 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10334 				   struct link_params *params)
10335 {
10336 	struct bnx2x *bp = params->bp;
10337 	u8 port;
10338 	u16 val16;
10339 
10340 	if (!(CHIP_IS_E1x(bp)))
10341 		port = BP_PATH(bp);
10342 	else
10343 		port = params->port;
10344 
10345 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10346 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10347 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10348 			       port);
10349 	} else {
10350 		bnx2x_cl45_read(bp, phy,
10351 				MDIO_CTL_DEVAD,
10352 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10353 		val16 |= MDIO_84833_SUPER_ISOLATE;
10354 		bnx2x_cl45_write(bp, phy,
10355 				 MDIO_CTL_DEVAD,
10356 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10357 	}
10358 }
10359 
10360 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10361 				     struct link_params *params, u8 mode)
10362 {
10363 	struct bnx2x *bp = params->bp;
10364 	u16 val;
10365 	u8 port;
10366 
10367 	if (!(CHIP_IS_E1x(bp)))
10368 		port = BP_PATH(bp);
10369 	else
10370 		port = params->port;
10371 
10372 	switch (mode) {
10373 	case LED_MODE_OFF:
10374 
10375 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10376 
10377 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10378 		    SHARED_HW_CFG_LED_EXTPHY1) {
10379 
10380 			/* Set LED masks */
10381 			bnx2x_cl45_write(bp, phy,
10382 					MDIO_PMA_DEVAD,
10383 					MDIO_PMA_REG_8481_LED1_MASK,
10384 					0x0);
10385 
10386 			bnx2x_cl45_write(bp, phy,
10387 					MDIO_PMA_DEVAD,
10388 					MDIO_PMA_REG_8481_LED2_MASK,
10389 					0x0);
10390 
10391 			bnx2x_cl45_write(bp, phy,
10392 					MDIO_PMA_DEVAD,
10393 					MDIO_PMA_REG_8481_LED3_MASK,
10394 					0x0);
10395 
10396 			bnx2x_cl45_write(bp, phy,
10397 					MDIO_PMA_DEVAD,
10398 					MDIO_PMA_REG_8481_LED5_MASK,
10399 					0x0);
10400 
10401 		} else {
10402 			bnx2x_cl45_write(bp, phy,
10403 					 MDIO_PMA_DEVAD,
10404 					 MDIO_PMA_REG_8481_LED1_MASK,
10405 					 0x0);
10406 		}
10407 		break;
10408 	case LED_MODE_FRONT_PANEL_OFF:
10409 
10410 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10411 		   port);
10412 
10413 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10414 		    SHARED_HW_CFG_LED_EXTPHY1) {
10415 
10416 			/* Set LED masks */
10417 			bnx2x_cl45_write(bp, phy,
10418 					 MDIO_PMA_DEVAD,
10419 					 MDIO_PMA_REG_8481_LED1_MASK,
10420 					 0x0);
10421 
10422 			bnx2x_cl45_write(bp, phy,
10423 					 MDIO_PMA_DEVAD,
10424 					 MDIO_PMA_REG_8481_LED2_MASK,
10425 					 0x0);
10426 
10427 			bnx2x_cl45_write(bp, phy,
10428 					 MDIO_PMA_DEVAD,
10429 					 MDIO_PMA_REG_8481_LED3_MASK,
10430 					 0x0);
10431 
10432 			bnx2x_cl45_write(bp, phy,
10433 					 MDIO_PMA_DEVAD,
10434 					 MDIO_PMA_REG_8481_LED5_MASK,
10435 					 0x20);
10436 
10437 		} else {
10438 			bnx2x_cl45_write(bp, phy,
10439 					 MDIO_PMA_DEVAD,
10440 					 MDIO_PMA_REG_8481_LED1_MASK,
10441 					 0x0);
10442 		}
10443 		break;
10444 	case LED_MODE_ON:
10445 
10446 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10447 
10448 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10449 		    SHARED_HW_CFG_LED_EXTPHY1) {
10450 			/* Set control reg */
10451 			bnx2x_cl45_read(bp, phy,
10452 					MDIO_PMA_DEVAD,
10453 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10454 					&val);
10455 			val &= 0x8000;
10456 			val |= 0x2492;
10457 
10458 			bnx2x_cl45_write(bp, phy,
10459 					 MDIO_PMA_DEVAD,
10460 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10461 					 val);
10462 
10463 			/* Set LED masks */
10464 			bnx2x_cl45_write(bp, phy,
10465 					 MDIO_PMA_DEVAD,
10466 					 MDIO_PMA_REG_8481_LED1_MASK,
10467 					 0x0);
10468 
10469 			bnx2x_cl45_write(bp, phy,
10470 					 MDIO_PMA_DEVAD,
10471 					 MDIO_PMA_REG_8481_LED2_MASK,
10472 					 0x20);
10473 
10474 			bnx2x_cl45_write(bp, phy,
10475 					 MDIO_PMA_DEVAD,
10476 					 MDIO_PMA_REG_8481_LED3_MASK,
10477 					 0x20);
10478 
10479 			bnx2x_cl45_write(bp, phy,
10480 					 MDIO_PMA_DEVAD,
10481 					 MDIO_PMA_REG_8481_LED5_MASK,
10482 					 0x0);
10483 		} else {
10484 			bnx2x_cl45_write(bp, phy,
10485 					 MDIO_PMA_DEVAD,
10486 					 MDIO_PMA_REG_8481_LED1_MASK,
10487 					 0x20);
10488 		}
10489 		break;
10490 
10491 	case LED_MODE_OPER:
10492 
10493 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10494 
10495 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10496 		    SHARED_HW_CFG_LED_EXTPHY1) {
10497 
10498 			/* Set control reg */
10499 			bnx2x_cl45_read(bp, phy,
10500 					MDIO_PMA_DEVAD,
10501 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10502 					&val);
10503 
10504 			if (!((val &
10505 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10506 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10507 				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10508 				bnx2x_cl45_write(bp, phy,
10509 						 MDIO_PMA_DEVAD,
10510 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10511 						 0xa492);
10512 			}
10513 
10514 			/* Set LED masks */
10515 			bnx2x_cl45_write(bp, phy,
10516 					 MDIO_PMA_DEVAD,
10517 					 MDIO_PMA_REG_8481_LED1_MASK,
10518 					 0x10);
10519 
10520 			bnx2x_cl45_write(bp, phy,
10521 					 MDIO_PMA_DEVAD,
10522 					 MDIO_PMA_REG_8481_LED2_MASK,
10523 					 0x80);
10524 
10525 			bnx2x_cl45_write(bp, phy,
10526 					 MDIO_PMA_DEVAD,
10527 					 MDIO_PMA_REG_8481_LED3_MASK,
10528 					 0x98);
10529 
10530 			bnx2x_cl45_write(bp, phy,
10531 					 MDIO_PMA_DEVAD,
10532 					 MDIO_PMA_REG_8481_LED5_MASK,
10533 					 0x40);
10534 
10535 		} else {
10536 			bnx2x_cl45_write(bp, phy,
10537 					 MDIO_PMA_DEVAD,
10538 					 MDIO_PMA_REG_8481_LED1_MASK,
10539 					 0x80);
10540 
10541 			/* Tell LED3 to blink on source */
10542 			bnx2x_cl45_read(bp, phy,
10543 					MDIO_PMA_DEVAD,
10544 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10545 					&val);
10546 			val &= ~(7<<6);
10547 			val |= (1<<6); /* A83B[8:6]= 1 */
10548 			bnx2x_cl45_write(bp, phy,
10549 					 MDIO_PMA_DEVAD,
10550 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10551 					 val);
10552 		}
10553 		break;
10554 	}
10555 
10556 	/* This is a workaround for E3+84833 until autoneg
10557 	 * restart is fixed in f/w
10558 	 */
10559 	if (CHIP_IS_E3(bp)) {
10560 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10561 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10562 	}
10563 }
10564 
10565 /******************************************************************/
10566 /*			54618SE PHY SECTION			  */
10567 /******************************************************************/
10568 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10569 					       struct link_params *params,
10570 					       struct link_vars *vars)
10571 {
10572 	struct bnx2x *bp = params->bp;
10573 	u8 port;
10574 	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10575 	u32 cfg_pin;
10576 
10577 	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10578 	usleep_range(1000, 2000);
10579 
10580 	/* This works with E3 only, no need to check the chip
10581 	 * before determining the port.
10582 	 */
10583 	port = params->port;
10584 
10585 	cfg_pin = (REG_RD(bp, params->shmem_base +
10586 			offsetof(struct shmem_region,
10587 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10588 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10589 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10590 
10591 	/* Drive pin high to bring the GPHY out of reset. */
10592 	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10593 
10594 	/* wait for GPHY to reset */
10595 	msleep(50);
10596 
10597 	/* reset phy */
10598 	bnx2x_cl22_write(bp, phy,
10599 			 MDIO_PMA_REG_CTRL, 0x8000);
10600 	bnx2x_wait_reset_complete(bp, phy, params);
10601 
10602 	/* Wait for GPHY to reset */
10603 	msleep(50);
10604 
10605 	/* Configure LED4: set to INTR (0x6). */
10606 	/* Accessing shadow register 0xe. */
10607 	bnx2x_cl22_write(bp, phy,
10608 			MDIO_REG_GPHY_SHADOW,
10609 			MDIO_REG_GPHY_SHADOW_LED_SEL2);
10610 	bnx2x_cl22_read(bp, phy,
10611 			MDIO_REG_GPHY_SHADOW,
10612 			&temp);
10613 	temp &= ~(0xf << 4);
10614 	temp |= (0x6 << 4);
10615 	bnx2x_cl22_write(bp, phy,
10616 			MDIO_REG_GPHY_SHADOW,
10617 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10618 	/* Configure INTR based on link status change. */
10619 	bnx2x_cl22_write(bp, phy,
10620 			MDIO_REG_INTR_MASK,
10621 			~MDIO_REG_INTR_MASK_LINK_STATUS);
10622 
10623 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10624 	bnx2x_cl22_write(bp, phy,
10625 			MDIO_REG_GPHY_SHADOW,
10626 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10627 	bnx2x_cl22_read(bp, phy,
10628 			MDIO_REG_GPHY_SHADOW,
10629 			&temp);
10630 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10631 	bnx2x_cl22_write(bp, phy,
10632 			MDIO_REG_GPHY_SHADOW,
10633 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10634 
10635 	/* Set up fc */
10636 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10637 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10638 	fc_val = 0;
10639 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10640 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10641 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10642 
10643 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10644 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10645 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10646 
10647 	/* Read all advertisement */
10648 	bnx2x_cl22_read(bp, phy,
10649 			0x09,
10650 			&an_1000_val);
10651 
10652 	bnx2x_cl22_read(bp, phy,
10653 			0x04,
10654 			&an_10_100_val);
10655 
10656 	bnx2x_cl22_read(bp, phy,
10657 			MDIO_PMA_REG_CTRL,
10658 			&autoneg_val);
10659 
10660 	/* Disable forced speed */
10661 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10662 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10663 			   (1<<11));
10664 
10665 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10666 			(phy->speed_cap_mask &
10667 			PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10668 			(phy->req_line_speed == SPEED_1000)) {
10669 		an_1000_val |= (1<<8);
10670 		autoneg_val |= (1<<9 | 1<<12);
10671 		if (phy->req_duplex == DUPLEX_FULL)
10672 			an_1000_val |= (1<<9);
10673 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
10674 	} else
10675 		an_1000_val &= ~((1<<8) | (1<<9));
10676 
10677 	bnx2x_cl22_write(bp, phy,
10678 			0x09,
10679 			an_1000_val);
10680 	bnx2x_cl22_read(bp, phy,
10681 			0x09,
10682 			&an_1000_val);
10683 
10684 	/* Set 100 speed advertisement */
10685 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10686 			(phy->speed_cap_mask &
10687 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10688 			PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10689 		an_10_100_val |= (1<<7);
10690 		/* Enable autoneg and restart autoneg for legacy speeds */
10691 		autoneg_val |= (1<<9 | 1<<12);
10692 
10693 		if (phy->req_duplex == DUPLEX_FULL)
10694 			an_10_100_val |= (1<<8);
10695 		DP(NETIF_MSG_LINK, "Advertising 100M\n");
10696 	}
10697 
10698 	/* Set 10 speed advertisement */
10699 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10700 			(phy->speed_cap_mask &
10701 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10702 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10703 		an_10_100_val |= (1<<5);
10704 		autoneg_val |= (1<<9 | 1<<12);
10705 		if (phy->req_duplex == DUPLEX_FULL)
10706 			an_10_100_val |= (1<<6);
10707 		DP(NETIF_MSG_LINK, "Advertising 10M\n");
10708 	}
10709 
10710 	/* Only 10/100 are allowed to work in FORCE mode */
10711 	if (phy->req_line_speed == SPEED_100) {
10712 		autoneg_val |= (1<<13);
10713 		/* Enabled AUTO-MDIX when autoneg is disabled */
10714 		bnx2x_cl22_write(bp, phy,
10715 				0x18,
10716 				(1<<15 | 1<<9 | 7<<0));
10717 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
10718 	}
10719 	if (phy->req_line_speed == SPEED_10) {
10720 		/* Enabled AUTO-MDIX when autoneg is disabled */
10721 		bnx2x_cl22_write(bp, phy,
10722 				0x18,
10723 				(1<<15 | 1<<9 | 7<<0));
10724 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
10725 	}
10726 
10727 	/* Check if we should turn on Auto-GrEEEn */
10728 	bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
10729 	if (temp == MDIO_REG_GPHY_ID_54618SE) {
10730 		if (params->feature_config_flags &
10731 		    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10732 			temp = 6;
10733 			DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10734 		} else {
10735 			temp = 0;
10736 			DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
10737 		}
10738 		bnx2x_cl22_write(bp, phy,
10739 				 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
10740 		bnx2x_cl22_write(bp, phy,
10741 				 MDIO_REG_GPHY_CL45_DATA_REG,
10742 				 MDIO_REG_GPHY_EEE_ADV);
10743 		bnx2x_cl22_write(bp, phy,
10744 				 MDIO_REG_GPHY_CL45_ADDR_REG,
10745 				 (0x1 << 14) | MDIO_AN_DEVAD);
10746 		bnx2x_cl22_write(bp, phy,
10747 				 MDIO_REG_GPHY_CL45_DATA_REG,
10748 				 temp);
10749 	}
10750 
10751 	bnx2x_cl22_write(bp, phy,
10752 			0x04,
10753 			an_10_100_val | fc_val);
10754 
10755 	if (phy->req_duplex == DUPLEX_FULL)
10756 		autoneg_val |= (1<<8);
10757 
10758 	bnx2x_cl22_write(bp, phy,
10759 			MDIO_PMA_REG_CTRL, autoneg_val);
10760 
10761 	return 0;
10762 }
10763 
10764 
10765 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10766 				       struct link_params *params, u8 mode)
10767 {
10768 	struct bnx2x *bp = params->bp;
10769 	u16 temp;
10770 
10771 	bnx2x_cl22_write(bp, phy,
10772 		MDIO_REG_GPHY_SHADOW,
10773 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
10774 	bnx2x_cl22_read(bp, phy,
10775 		MDIO_REG_GPHY_SHADOW,
10776 		&temp);
10777 	temp &= 0xff00;
10778 
10779 	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10780 	switch (mode) {
10781 	case LED_MODE_FRONT_PANEL_OFF:
10782 	case LED_MODE_OFF:
10783 		temp |= 0x00ee;
10784 		break;
10785 	case LED_MODE_OPER:
10786 		temp |= 0x0001;
10787 		break;
10788 	case LED_MODE_ON:
10789 		temp |= 0x00ff;
10790 		break;
10791 	default:
10792 		break;
10793 	}
10794 	bnx2x_cl22_write(bp, phy,
10795 		MDIO_REG_GPHY_SHADOW,
10796 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10797 	return;
10798 }
10799 
10800 
10801 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10802 				     struct link_params *params)
10803 {
10804 	struct bnx2x *bp = params->bp;
10805 	u32 cfg_pin;
10806 	u8 port;
10807 
10808 	/* In case of no EPIO routed to reset the GPHY, put it
10809 	 * in low power mode.
10810 	 */
10811 	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10812 	/* This works with E3 only, no need to check the chip
10813 	 * before determining the port.
10814 	 */
10815 	port = params->port;
10816 	cfg_pin = (REG_RD(bp, params->shmem_base +
10817 			offsetof(struct shmem_region,
10818 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10819 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10820 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10821 
10822 	/* Drive pin low to put GPHY in reset. */
10823 	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10824 }
10825 
10826 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10827 				    struct link_params *params,
10828 				    struct link_vars *vars)
10829 {
10830 	struct bnx2x *bp = params->bp;
10831 	u16 val;
10832 	u8 link_up = 0;
10833 	u16 legacy_status, legacy_speed;
10834 
10835 	/* Get speed operation status */
10836 	bnx2x_cl22_read(bp, phy,
10837 			MDIO_REG_GPHY_AUX_STATUS,
10838 			&legacy_status);
10839 	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
10840 
10841 	/* Read status to clear the PHY interrupt. */
10842 	bnx2x_cl22_read(bp, phy,
10843 			MDIO_REG_INTR_STATUS,
10844 			&val);
10845 
10846 	link_up = ((legacy_status & (1<<2)) == (1<<2));
10847 
10848 	if (link_up) {
10849 		legacy_speed = (legacy_status & (7<<8));
10850 		if (legacy_speed == (7<<8)) {
10851 			vars->line_speed = SPEED_1000;
10852 			vars->duplex = DUPLEX_FULL;
10853 		} else if (legacy_speed == (6<<8)) {
10854 			vars->line_speed = SPEED_1000;
10855 			vars->duplex = DUPLEX_HALF;
10856 		} else if (legacy_speed == (5<<8)) {
10857 			vars->line_speed = SPEED_100;
10858 			vars->duplex = DUPLEX_FULL;
10859 		}
10860 		/* Omitting 100Base-T4 for now */
10861 		else if (legacy_speed == (3<<8)) {
10862 			vars->line_speed = SPEED_100;
10863 			vars->duplex = DUPLEX_HALF;
10864 		} else if (legacy_speed == (2<<8)) {
10865 			vars->line_speed = SPEED_10;
10866 			vars->duplex = DUPLEX_FULL;
10867 		} else if (legacy_speed == (1<<8)) {
10868 			vars->line_speed = SPEED_10;
10869 			vars->duplex = DUPLEX_HALF;
10870 		} else /* Should not happen */
10871 			vars->line_speed = 0;
10872 
10873 		DP(NETIF_MSG_LINK,
10874 		   "Link is up in %dMbps, is_duplex_full= %d\n",
10875 		   vars->line_speed,
10876 		   (vars->duplex == DUPLEX_FULL));
10877 
10878 		/* Check legacy speed AN resolution */
10879 		bnx2x_cl22_read(bp, phy,
10880 				0x01,
10881 				&val);
10882 		if (val & (1<<5))
10883 			vars->link_status |=
10884 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10885 		bnx2x_cl22_read(bp, phy,
10886 				0x06,
10887 				&val);
10888 		if ((val & (1<<0)) == 0)
10889 			vars->link_status |=
10890 				LINK_STATUS_PARALLEL_DETECTION_USED;
10891 
10892 		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
10893 			   vars->line_speed);
10894 
10895 		/* Report whether EEE is resolved. */
10896 		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10897 		if (val == MDIO_REG_GPHY_ID_54618SE) {
10898 			if (vars->link_status &
10899 			    LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10900 				val = 0;
10901 			else {
10902 				bnx2x_cl22_write(bp, phy,
10903 					MDIO_REG_GPHY_CL45_ADDR_REG,
10904 					MDIO_AN_DEVAD);
10905 				bnx2x_cl22_write(bp, phy,
10906 					MDIO_REG_GPHY_CL45_DATA_REG,
10907 					MDIO_REG_GPHY_EEE_RESOLVED);
10908 				bnx2x_cl22_write(bp, phy,
10909 					MDIO_REG_GPHY_CL45_ADDR_REG,
10910 					(0x1 << 14) | MDIO_AN_DEVAD);
10911 				bnx2x_cl22_read(bp, phy,
10912 					MDIO_REG_GPHY_CL45_DATA_REG,
10913 					&val);
10914 			}
10915 			DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10916 		}
10917 
10918 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10919 
10920 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
10921 			/* Report LP advertised speeds */
10922 			bnx2x_cl22_read(bp, phy, 0x5, &val);
10923 
10924 			if (val & (1<<5))
10925 				vars->link_status |=
10926 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10927 			if (val & (1<<6))
10928 				vars->link_status |=
10929 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10930 			if (val & (1<<7))
10931 				vars->link_status |=
10932 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10933 			if (val & (1<<8))
10934 				vars->link_status |=
10935 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10936 			if (val & (1<<9))
10937 				vars->link_status |=
10938 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10939 
10940 			bnx2x_cl22_read(bp, phy, 0xa, &val);
10941 			if (val & (1<<10))
10942 				vars->link_status |=
10943 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10944 			if (val & (1<<11))
10945 				vars->link_status |=
10946 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10947 		}
10948 	}
10949 	return link_up;
10950 }
10951 
10952 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10953 					  struct link_params *params)
10954 {
10955 	struct bnx2x *bp = params->bp;
10956 	u16 val;
10957 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10958 
10959 	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
10960 
10961 	/* Enable master/slave manual mmode and set to master */
10962 	/* mii write 9 [bits set 11 12] */
10963 	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10964 
10965 	/* forced 1G and disable autoneg */
10966 	/* set val [mii read 0] */
10967 	/* set val [expr $val & [bits clear 6 12 13]] */
10968 	/* set val [expr $val | [bits set 6 8]] */
10969 	/* mii write 0 $val */
10970 	bnx2x_cl22_read(bp, phy, 0x00, &val);
10971 	val &= ~((1<<6) | (1<<12) | (1<<13));
10972 	val |= (1<<6) | (1<<8);
10973 	bnx2x_cl22_write(bp, phy, 0x00, val);
10974 
10975 	/* Set external loopback and Tx using 6dB coding */
10976 	/* mii write 0x18 7 */
10977 	/* set val [mii read 0x18] */
10978 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
10979 	bnx2x_cl22_write(bp, phy, 0x18, 7);
10980 	bnx2x_cl22_read(bp, phy, 0x18, &val);
10981 	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10982 
10983 	/* This register opens the gate for the UMAC despite its name */
10984 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10985 
10986 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10987 	 * length used by the MAC receive logic to check frames.
10988 	 */
10989 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10990 }
10991 
10992 /******************************************************************/
10993 /*			SFX7101 PHY SECTION			  */
10994 /******************************************************************/
10995 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
10996 				       struct link_params *params)
10997 {
10998 	struct bnx2x *bp = params->bp;
10999 	/* SFX7101_XGXS_TEST1 */
11000 	bnx2x_cl45_write(bp, phy,
11001 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11002 }
11003 
11004 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11005 				  struct link_params *params,
11006 				  struct link_vars *vars)
11007 {
11008 	u16 fw_ver1, fw_ver2, val;
11009 	struct bnx2x *bp = params->bp;
11010 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11011 
11012 	/* Restore normal power mode*/
11013 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11014 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11015 	/* HW reset */
11016 	bnx2x_ext_phy_hw_reset(bp, params->port);
11017 	bnx2x_wait_reset_complete(bp, phy, params);
11018 
11019 	bnx2x_cl45_write(bp, phy,
11020 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11021 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11022 	bnx2x_cl45_write(bp, phy,
11023 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11024 
11025 	bnx2x_ext_phy_set_pause(params, phy, vars);
11026 	/* Restart autoneg */
11027 	bnx2x_cl45_read(bp, phy,
11028 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11029 	val |= 0x200;
11030 	bnx2x_cl45_write(bp, phy,
11031 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11032 
11033 	/* Save spirom version */
11034 	bnx2x_cl45_read(bp, phy,
11035 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11036 
11037 	bnx2x_cl45_read(bp, phy,
11038 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11039 	bnx2x_save_spirom_version(bp, params->port,
11040 				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11041 	return 0;
11042 }
11043 
11044 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11045 				 struct link_params *params,
11046 				 struct link_vars *vars)
11047 {
11048 	struct bnx2x *bp = params->bp;
11049 	u8 link_up;
11050 	u16 val1, val2;
11051 	bnx2x_cl45_read(bp, phy,
11052 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11053 	bnx2x_cl45_read(bp, phy,
11054 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11055 	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11056 		   val2, val1);
11057 	bnx2x_cl45_read(bp, phy,
11058 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11059 	bnx2x_cl45_read(bp, phy,
11060 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11061 	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11062 		   val2, val1);
11063 	link_up = ((val1 & 4) == 4);
11064 	/* If link is up print the AN outcome of the SFX7101 PHY */
11065 	if (link_up) {
11066 		bnx2x_cl45_read(bp, phy,
11067 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11068 				&val2);
11069 		vars->line_speed = SPEED_10000;
11070 		vars->duplex = DUPLEX_FULL;
11071 		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11072 			   val2, (val2 & (1<<14)));
11073 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11074 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11075 
11076 		/* Read LP advertised speeds */
11077 		if (val2 & (1<<11))
11078 			vars->link_status |=
11079 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11080 	}
11081 	return link_up;
11082 }
11083 
11084 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11085 {
11086 	if (*len < 5)
11087 		return -EINVAL;
11088 	str[0] = (spirom_ver & 0xFF);
11089 	str[1] = (spirom_ver & 0xFF00) >> 8;
11090 	str[2] = (spirom_ver & 0xFF0000) >> 16;
11091 	str[3] = (spirom_ver & 0xFF000000) >> 24;
11092 	str[4] = '\0';
11093 	*len -= 5;
11094 	return 0;
11095 }
11096 
11097 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11098 {
11099 	u16 val, cnt;
11100 
11101 	bnx2x_cl45_read(bp, phy,
11102 			MDIO_PMA_DEVAD,
11103 			MDIO_PMA_REG_7101_RESET, &val);
11104 
11105 	for (cnt = 0; cnt < 10; cnt++) {
11106 		msleep(50);
11107 		/* Writes a self-clearing reset */
11108 		bnx2x_cl45_write(bp, phy,
11109 				 MDIO_PMA_DEVAD,
11110 				 MDIO_PMA_REG_7101_RESET,
11111 				 (val | (1<<15)));
11112 		/* Wait for clear */
11113 		bnx2x_cl45_read(bp, phy,
11114 				MDIO_PMA_DEVAD,
11115 				MDIO_PMA_REG_7101_RESET, &val);
11116 
11117 		if ((val & (1<<15)) == 0)
11118 			break;
11119 	}
11120 }
11121 
11122 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11123 				struct link_params *params) {
11124 	/* Low power mode is controlled by GPIO 2 */
11125 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11126 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11127 	/* The PHY reset is controlled by GPIO 1 */
11128 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11129 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11130 }
11131 
11132 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11133 				    struct link_params *params, u8 mode)
11134 {
11135 	u16 val = 0;
11136 	struct bnx2x *bp = params->bp;
11137 	switch (mode) {
11138 	case LED_MODE_FRONT_PANEL_OFF:
11139 	case LED_MODE_OFF:
11140 		val = 2;
11141 		break;
11142 	case LED_MODE_ON:
11143 		val = 1;
11144 		break;
11145 	case LED_MODE_OPER:
11146 		val = 0;
11147 		break;
11148 	}
11149 	bnx2x_cl45_write(bp, phy,
11150 			 MDIO_PMA_DEVAD,
11151 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11152 			 val);
11153 }
11154 
11155 /******************************************************************/
11156 /*			STATIC PHY DECLARATION			  */
11157 /******************************************************************/
11158 
11159 static struct bnx2x_phy phy_null = {
11160 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11161 	.addr		= 0,
11162 	.def_md_devad	= 0,
11163 	.flags		= FLAGS_INIT_XGXS_FIRST,
11164 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11165 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11166 	.mdio_ctrl	= 0,
11167 	.supported	= 0,
11168 	.media_type	= ETH_PHY_NOT_PRESENT,
11169 	.ver_addr	= 0,
11170 	.req_flow_ctrl	= 0,
11171 	.req_line_speed	= 0,
11172 	.speed_cap_mask	= 0,
11173 	.req_duplex	= 0,
11174 	.rsrv		= 0,
11175 	.config_init	= (config_init_t)NULL,
11176 	.read_status	= (read_status_t)NULL,
11177 	.link_reset	= (link_reset_t)NULL,
11178 	.config_loopback = (config_loopback_t)NULL,
11179 	.format_fw_ver	= (format_fw_ver_t)NULL,
11180 	.hw_reset	= (hw_reset_t)NULL,
11181 	.set_link_led	= (set_link_led_t)NULL,
11182 	.phy_specific_func = (phy_specific_func_t)NULL
11183 };
11184 
11185 static struct bnx2x_phy phy_serdes = {
11186 	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11187 	.addr		= 0xff,
11188 	.def_md_devad	= 0,
11189 	.flags		= 0,
11190 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11191 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11192 	.mdio_ctrl	= 0,
11193 	.supported	= (SUPPORTED_10baseT_Half |
11194 			   SUPPORTED_10baseT_Full |
11195 			   SUPPORTED_100baseT_Half |
11196 			   SUPPORTED_100baseT_Full |
11197 			   SUPPORTED_1000baseT_Full |
11198 			   SUPPORTED_2500baseX_Full |
11199 			   SUPPORTED_TP |
11200 			   SUPPORTED_Autoneg |
11201 			   SUPPORTED_Pause |
11202 			   SUPPORTED_Asym_Pause),
11203 	.media_type	= ETH_PHY_BASE_T,
11204 	.ver_addr	= 0,
11205 	.req_flow_ctrl	= 0,
11206 	.req_line_speed	= 0,
11207 	.speed_cap_mask	= 0,
11208 	.req_duplex	= 0,
11209 	.rsrv		= 0,
11210 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11211 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11212 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11213 	.config_loopback = (config_loopback_t)NULL,
11214 	.format_fw_ver	= (format_fw_ver_t)NULL,
11215 	.hw_reset	= (hw_reset_t)NULL,
11216 	.set_link_led	= (set_link_led_t)NULL,
11217 	.phy_specific_func = (phy_specific_func_t)NULL
11218 };
11219 
11220 static struct bnx2x_phy phy_xgxs = {
11221 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11222 	.addr		= 0xff,
11223 	.def_md_devad	= 0,
11224 	.flags		= 0,
11225 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11226 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11227 	.mdio_ctrl	= 0,
11228 	.supported	= (SUPPORTED_10baseT_Half |
11229 			   SUPPORTED_10baseT_Full |
11230 			   SUPPORTED_100baseT_Half |
11231 			   SUPPORTED_100baseT_Full |
11232 			   SUPPORTED_1000baseT_Full |
11233 			   SUPPORTED_2500baseX_Full |
11234 			   SUPPORTED_10000baseT_Full |
11235 			   SUPPORTED_FIBRE |
11236 			   SUPPORTED_Autoneg |
11237 			   SUPPORTED_Pause |
11238 			   SUPPORTED_Asym_Pause),
11239 	.media_type	= ETH_PHY_CX4,
11240 	.ver_addr	= 0,
11241 	.req_flow_ctrl	= 0,
11242 	.req_line_speed	= 0,
11243 	.speed_cap_mask	= 0,
11244 	.req_duplex	= 0,
11245 	.rsrv		= 0,
11246 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11247 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11248 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11249 	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11250 	.format_fw_ver	= (format_fw_ver_t)NULL,
11251 	.hw_reset	= (hw_reset_t)NULL,
11252 	.set_link_led	= (set_link_led_t)NULL,
11253 	.phy_specific_func = (phy_specific_func_t)NULL
11254 };
11255 static struct bnx2x_phy phy_warpcore = {
11256 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11257 	.addr		= 0xff,
11258 	.def_md_devad	= 0,
11259 	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11260 			   FLAGS_TX_ERROR_CHECK),
11261 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11262 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11263 	.mdio_ctrl	= 0,
11264 	.supported	= (SUPPORTED_10baseT_Half |
11265 			   SUPPORTED_10baseT_Full |
11266 			   SUPPORTED_100baseT_Half |
11267 			   SUPPORTED_100baseT_Full |
11268 			   SUPPORTED_1000baseT_Full |
11269 			   SUPPORTED_10000baseT_Full |
11270 			   SUPPORTED_20000baseKR2_Full |
11271 			   SUPPORTED_20000baseMLD2_Full |
11272 			   SUPPORTED_FIBRE |
11273 			   SUPPORTED_Autoneg |
11274 			   SUPPORTED_Pause |
11275 			   SUPPORTED_Asym_Pause),
11276 	.media_type	= ETH_PHY_UNSPECIFIED,
11277 	.ver_addr	= 0,
11278 	.req_flow_ctrl	= 0,
11279 	.req_line_speed	= 0,
11280 	.speed_cap_mask	= 0,
11281 	/* req_duplex = */0,
11282 	/* rsrv = */0,
11283 	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
11284 	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
11285 	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
11286 	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11287 	.format_fw_ver	= (format_fw_ver_t)NULL,
11288 	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11289 	.set_link_led	= (set_link_led_t)NULL,
11290 	.phy_specific_func = (phy_specific_func_t)NULL
11291 };
11292 
11293 
11294 static struct bnx2x_phy phy_7101 = {
11295 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11296 	.addr		= 0xff,
11297 	.def_md_devad	= 0,
11298 	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
11299 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11300 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11301 	.mdio_ctrl	= 0,
11302 	.supported	= (SUPPORTED_10000baseT_Full |
11303 			   SUPPORTED_TP |
11304 			   SUPPORTED_Autoneg |
11305 			   SUPPORTED_Pause |
11306 			   SUPPORTED_Asym_Pause),
11307 	.media_type	= ETH_PHY_BASE_T,
11308 	.ver_addr	= 0,
11309 	.req_flow_ctrl	= 0,
11310 	.req_line_speed	= 0,
11311 	.speed_cap_mask	= 0,
11312 	.req_duplex	= 0,
11313 	.rsrv		= 0,
11314 	.config_init	= (config_init_t)bnx2x_7101_config_init,
11315 	.read_status	= (read_status_t)bnx2x_7101_read_status,
11316 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11317 	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11318 	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
11319 	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
11320 	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
11321 	.phy_specific_func = (phy_specific_func_t)NULL
11322 };
11323 static struct bnx2x_phy phy_8073 = {
11324 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11325 	.addr		= 0xff,
11326 	.def_md_devad	= 0,
11327 	.flags		= FLAGS_HW_LOCK_REQUIRED,
11328 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11329 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11330 	.mdio_ctrl	= 0,
11331 	.supported	= (SUPPORTED_10000baseT_Full |
11332 			   SUPPORTED_2500baseX_Full |
11333 			   SUPPORTED_1000baseT_Full |
11334 			   SUPPORTED_FIBRE |
11335 			   SUPPORTED_Autoneg |
11336 			   SUPPORTED_Pause |
11337 			   SUPPORTED_Asym_Pause),
11338 	.media_type	= ETH_PHY_KR,
11339 	.ver_addr	= 0,
11340 	.req_flow_ctrl	= 0,
11341 	.req_line_speed	= 0,
11342 	.speed_cap_mask	= 0,
11343 	.req_duplex	= 0,
11344 	.rsrv		= 0,
11345 	.config_init	= (config_init_t)bnx2x_8073_config_init,
11346 	.read_status	= (read_status_t)bnx2x_8073_read_status,
11347 	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
11348 	.config_loopback = (config_loopback_t)NULL,
11349 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11350 	.hw_reset	= (hw_reset_t)NULL,
11351 	.set_link_led	= (set_link_led_t)NULL,
11352 	.phy_specific_func = (phy_specific_func_t)NULL
11353 };
11354 static struct bnx2x_phy phy_8705 = {
11355 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11356 	.addr		= 0xff,
11357 	.def_md_devad	= 0,
11358 	.flags		= FLAGS_INIT_XGXS_FIRST,
11359 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11360 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11361 	.mdio_ctrl	= 0,
11362 	.supported	= (SUPPORTED_10000baseT_Full |
11363 			   SUPPORTED_FIBRE |
11364 			   SUPPORTED_Pause |
11365 			   SUPPORTED_Asym_Pause),
11366 	.media_type	= ETH_PHY_XFP_FIBER,
11367 	.ver_addr	= 0,
11368 	.req_flow_ctrl	= 0,
11369 	.req_line_speed	= 0,
11370 	.speed_cap_mask	= 0,
11371 	.req_duplex	= 0,
11372 	.rsrv		= 0,
11373 	.config_init	= (config_init_t)bnx2x_8705_config_init,
11374 	.read_status	= (read_status_t)bnx2x_8705_read_status,
11375 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11376 	.config_loopback = (config_loopback_t)NULL,
11377 	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
11378 	.hw_reset	= (hw_reset_t)NULL,
11379 	.set_link_led	= (set_link_led_t)NULL,
11380 	.phy_specific_func = (phy_specific_func_t)NULL
11381 };
11382 static struct bnx2x_phy phy_8706 = {
11383 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11384 	.addr		= 0xff,
11385 	.def_md_devad	= 0,
11386 	.flags		= FLAGS_INIT_XGXS_FIRST,
11387 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11388 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11389 	.mdio_ctrl	= 0,
11390 	.supported	= (SUPPORTED_10000baseT_Full |
11391 			   SUPPORTED_1000baseT_Full |
11392 			   SUPPORTED_FIBRE |
11393 			   SUPPORTED_Pause |
11394 			   SUPPORTED_Asym_Pause),
11395 	.media_type	= ETH_PHY_SFPP_10G_FIBER,
11396 	.ver_addr	= 0,
11397 	.req_flow_ctrl	= 0,
11398 	.req_line_speed	= 0,
11399 	.speed_cap_mask	= 0,
11400 	.req_duplex	= 0,
11401 	.rsrv		= 0,
11402 	.config_init	= (config_init_t)bnx2x_8706_config_init,
11403 	.read_status	= (read_status_t)bnx2x_8706_read_status,
11404 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11405 	.config_loopback = (config_loopback_t)NULL,
11406 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11407 	.hw_reset	= (hw_reset_t)NULL,
11408 	.set_link_led	= (set_link_led_t)NULL,
11409 	.phy_specific_func = (phy_specific_func_t)NULL
11410 };
11411 
11412 static struct bnx2x_phy phy_8726 = {
11413 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11414 	.addr		= 0xff,
11415 	.def_md_devad	= 0,
11416 	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11417 			   FLAGS_INIT_XGXS_FIRST |
11418 			   FLAGS_TX_ERROR_CHECK),
11419 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11420 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11421 	.mdio_ctrl	= 0,
11422 	.supported	= (SUPPORTED_10000baseT_Full |
11423 			   SUPPORTED_1000baseT_Full |
11424 			   SUPPORTED_Autoneg |
11425 			   SUPPORTED_FIBRE |
11426 			   SUPPORTED_Pause |
11427 			   SUPPORTED_Asym_Pause),
11428 	.media_type	= ETH_PHY_NOT_PRESENT,
11429 	.ver_addr	= 0,
11430 	.req_flow_ctrl	= 0,
11431 	.req_line_speed	= 0,
11432 	.speed_cap_mask	= 0,
11433 	.req_duplex	= 0,
11434 	.rsrv		= 0,
11435 	.config_init	= (config_init_t)bnx2x_8726_config_init,
11436 	.read_status	= (read_status_t)bnx2x_8726_read_status,
11437 	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
11438 	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11439 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11440 	.hw_reset	= (hw_reset_t)NULL,
11441 	.set_link_led	= (set_link_led_t)NULL,
11442 	.phy_specific_func = (phy_specific_func_t)NULL
11443 };
11444 
11445 static struct bnx2x_phy phy_8727 = {
11446 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11447 	.addr		= 0xff,
11448 	.def_md_devad	= 0,
11449 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11450 			   FLAGS_TX_ERROR_CHECK),
11451 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11452 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11453 	.mdio_ctrl	= 0,
11454 	.supported	= (SUPPORTED_10000baseT_Full |
11455 			   SUPPORTED_1000baseT_Full |
11456 			   SUPPORTED_FIBRE |
11457 			   SUPPORTED_Pause |
11458 			   SUPPORTED_Asym_Pause),
11459 	.media_type	= ETH_PHY_NOT_PRESENT,
11460 	.ver_addr	= 0,
11461 	.req_flow_ctrl	= 0,
11462 	.req_line_speed	= 0,
11463 	.speed_cap_mask	= 0,
11464 	.req_duplex	= 0,
11465 	.rsrv		= 0,
11466 	.config_init	= (config_init_t)bnx2x_8727_config_init,
11467 	.read_status	= (read_status_t)bnx2x_8727_read_status,
11468 	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
11469 	.config_loopback = (config_loopback_t)NULL,
11470 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11471 	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
11472 	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
11473 	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11474 };
11475 static struct bnx2x_phy phy_8481 = {
11476 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11477 	.addr		= 0xff,
11478 	.def_md_devad	= 0,
11479 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11480 			  FLAGS_REARM_LATCH_SIGNAL,
11481 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11482 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11483 	.mdio_ctrl	= 0,
11484 	.supported	= (SUPPORTED_10baseT_Half |
11485 			   SUPPORTED_10baseT_Full |
11486 			   SUPPORTED_100baseT_Half |
11487 			   SUPPORTED_100baseT_Full |
11488 			   SUPPORTED_1000baseT_Full |
11489 			   SUPPORTED_10000baseT_Full |
11490 			   SUPPORTED_TP |
11491 			   SUPPORTED_Autoneg |
11492 			   SUPPORTED_Pause |
11493 			   SUPPORTED_Asym_Pause),
11494 	.media_type	= ETH_PHY_BASE_T,
11495 	.ver_addr	= 0,
11496 	.req_flow_ctrl	= 0,
11497 	.req_line_speed	= 0,
11498 	.speed_cap_mask	= 0,
11499 	.req_duplex	= 0,
11500 	.rsrv		= 0,
11501 	.config_init	= (config_init_t)bnx2x_8481_config_init,
11502 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11503 	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
11504 	.config_loopback = (config_loopback_t)NULL,
11505 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11506 	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
11507 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11508 	.phy_specific_func = (phy_specific_func_t)NULL
11509 };
11510 
11511 static struct bnx2x_phy phy_84823 = {
11512 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11513 	.addr		= 0xff,
11514 	.def_md_devad	= 0,
11515 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11516 			   FLAGS_REARM_LATCH_SIGNAL |
11517 			   FLAGS_TX_ERROR_CHECK),
11518 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11519 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11520 	.mdio_ctrl	= 0,
11521 	.supported	= (SUPPORTED_10baseT_Half |
11522 			   SUPPORTED_10baseT_Full |
11523 			   SUPPORTED_100baseT_Half |
11524 			   SUPPORTED_100baseT_Full |
11525 			   SUPPORTED_1000baseT_Full |
11526 			   SUPPORTED_10000baseT_Full |
11527 			   SUPPORTED_TP |
11528 			   SUPPORTED_Autoneg |
11529 			   SUPPORTED_Pause |
11530 			   SUPPORTED_Asym_Pause),
11531 	.media_type	= ETH_PHY_BASE_T,
11532 	.ver_addr	= 0,
11533 	.req_flow_ctrl	= 0,
11534 	.req_line_speed	= 0,
11535 	.speed_cap_mask	= 0,
11536 	.req_duplex	= 0,
11537 	.rsrv		= 0,
11538 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11539 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11540 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11541 	.config_loopback = (config_loopback_t)NULL,
11542 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11543 	.hw_reset	= (hw_reset_t)NULL,
11544 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11545 	.phy_specific_func = (phy_specific_func_t)NULL
11546 };
11547 
11548 static struct bnx2x_phy phy_84833 = {
11549 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11550 	.addr		= 0xff,
11551 	.def_md_devad	= 0,
11552 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11553 			   FLAGS_REARM_LATCH_SIGNAL |
11554 			   FLAGS_TX_ERROR_CHECK |
11555 			   FLAGS_EEE_10GBT),
11556 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11557 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11558 	.mdio_ctrl	= 0,
11559 	.supported	= (SUPPORTED_100baseT_Half |
11560 			   SUPPORTED_100baseT_Full |
11561 			   SUPPORTED_1000baseT_Full |
11562 			   SUPPORTED_10000baseT_Full |
11563 			   SUPPORTED_TP |
11564 			   SUPPORTED_Autoneg |
11565 			   SUPPORTED_Pause |
11566 			   SUPPORTED_Asym_Pause),
11567 	.media_type	= ETH_PHY_BASE_T,
11568 	.ver_addr	= 0,
11569 	.req_flow_ctrl	= 0,
11570 	.req_line_speed	= 0,
11571 	.speed_cap_mask	= 0,
11572 	.req_duplex	= 0,
11573 	.rsrv		= 0,
11574 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11575 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11576 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11577 	.config_loopback = (config_loopback_t)NULL,
11578 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11579 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11580 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11581 	.phy_specific_func = (phy_specific_func_t)NULL
11582 };
11583 
11584 static struct bnx2x_phy phy_54618se = {
11585 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11586 	.addr		= 0xff,
11587 	.def_md_devad	= 0,
11588 	.flags		= FLAGS_INIT_XGXS_FIRST,
11589 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11590 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11591 	.mdio_ctrl	= 0,
11592 	.supported	= (SUPPORTED_10baseT_Half |
11593 			   SUPPORTED_10baseT_Full |
11594 			   SUPPORTED_100baseT_Half |
11595 			   SUPPORTED_100baseT_Full |
11596 			   SUPPORTED_1000baseT_Full |
11597 			   SUPPORTED_TP |
11598 			   SUPPORTED_Autoneg |
11599 			   SUPPORTED_Pause |
11600 			   SUPPORTED_Asym_Pause),
11601 	.media_type	= ETH_PHY_BASE_T,
11602 	.ver_addr	= 0,
11603 	.req_flow_ctrl	= 0,
11604 	.req_line_speed	= 0,
11605 	.speed_cap_mask	= 0,
11606 	/* req_duplex = */0,
11607 	/* rsrv = */0,
11608 	.config_init	= (config_init_t)bnx2x_54618se_config_init,
11609 	.read_status	= (read_status_t)bnx2x_54618se_read_status,
11610 	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
11611 	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11612 	.format_fw_ver	= (format_fw_ver_t)NULL,
11613 	.hw_reset	= (hw_reset_t)NULL,
11614 	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
11615 	.phy_specific_func = (phy_specific_func_t)NULL
11616 };
11617 /*****************************************************************/
11618 /*                                                               */
11619 /* Populate the phy according. Main function: bnx2x_populate_phy   */
11620 /*                                                               */
11621 /*****************************************************************/
11622 
11623 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11624 				     struct bnx2x_phy *phy, u8 port,
11625 				     u8 phy_index)
11626 {
11627 	/* Get the 4 lanes xgxs config rx and tx */
11628 	u32 rx = 0, tx = 0, i;
11629 	for (i = 0; i < 2; i++) {
11630 		/* INT_PHY and EXT_PHY1 share the same value location in
11631 		 * the shmem. When num_phys is greater than 1, than this value
11632 		 * applies only to EXT_PHY1
11633 		 */
11634 		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11635 			rx = REG_RD(bp, shmem_base +
11636 				    offsetof(struct shmem_region,
11637 			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11638 
11639 			tx = REG_RD(bp, shmem_base +
11640 				    offsetof(struct shmem_region,
11641 			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11642 		} else {
11643 			rx = REG_RD(bp, shmem_base +
11644 				    offsetof(struct shmem_region,
11645 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11646 
11647 			tx = REG_RD(bp, shmem_base +
11648 				    offsetof(struct shmem_region,
11649 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11650 		}
11651 
11652 		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11653 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11654 
11655 		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11656 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11657 	}
11658 }
11659 
11660 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11661 				    u8 phy_index, u8 port)
11662 {
11663 	u32 ext_phy_config = 0;
11664 	switch (phy_index) {
11665 	case EXT_PHY1:
11666 		ext_phy_config = REG_RD(bp, shmem_base +
11667 					      offsetof(struct shmem_region,
11668 			dev_info.port_hw_config[port].external_phy_config));
11669 		break;
11670 	case EXT_PHY2:
11671 		ext_phy_config = REG_RD(bp, shmem_base +
11672 					      offsetof(struct shmem_region,
11673 			dev_info.port_hw_config[port].external_phy_config2));
11674 		break;
11675 	default:
11676 		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11677 		return -EINVAL;
11678 	}
11679 
11680 	return ext_phy_config;
11681 }
11682 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11683 				  struct bnx2x_phy *phy)
11684 {
11685 	u32 phy_addr;
11686 	u32 chip_id;
11687 	u32 switch_cfg = (REG_RD(bp, shmem_base +
11688 				       offsetof(struct shmem_region,
11689 			dev_info.port_feature_config[port].link_config)) &
11690 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
11691 	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11692 		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11693 
11694 	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11695 	if (USES_WARPCORE(bp)) {
11696 		u32 serdes_net_if;
11697 		phy_addr = REG_RD(bp,
11698 				  MISC_REG_WC0_CTRL_PHY_ADDR);
11699 		*phy = phy_warpcore;
11700 		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11701 			phy->flags |= FLAGS_4_PORT_MODE;
11702 		else
11703 			phy->flags &= ~FLAGS_4_PORT_MODE;
11704 			/* Check Dual mode */
11705 		serdes_net_if = (REG_RD(bp, shmem_base +
11706 					offsetof(struct shmem_region, dev_info.
11707 					port_hw_config[port].default_cfg)) &
11708 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
11709 		/* Set the appropriate supported and flags indications per
11710 		 * interface type of the chip
11711 		 */
11712 		switch (serdes_net_if) {
11713 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11714 			phy->supported &= (SUPPORTED_10baseT_Half |
11715 					   SUPPORTED_10baseT_Full |
11716 					   SUPPORTED_100baseT_Half |
11717 					   SUPPORTED_100baseT_Full |
11718 					   SUPPORTED_1000baseT_Full |
11719 					   SUPPORTED_FIBRE |
11720 					   SUPPORTED_Autoneg |
11721 					   SUPPORTED_Pause |
11722 					   SUPPORTED_Asym_Pause);
11723 			phy->media_type = ETH_PHY_BASE_T;
11724 			break;
11725 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
11726 			phy->media_type = ETH_PHY_XFP_FIBER;
11727 			break;
11728 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
11729 			phy->supported &= (SUPPORTED_1000baseT_Full |
11730 					   SUPPORTED_10000baseT_Full |
11731 					   SUPPORTED_FIBRE |
11732 					   SUPPORTED_Pause |
11733 					   SUPPORTED_Asym_Pause);
11734 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11735 			break;
11736 		case PORT_HW_CFG_NET_SERDES_IF_KR:
11737 			phy->media_type = ETH_PHY_KR;
11738 			phy->supported &= (SUPPORTED_1000baseT_Full |
11739 					   SUPPORTED_10000baseT_Full |
11740 					   SUPPORTED_FIBRE |
11741 					   SUPPORTED_Autoneg |
11742 					   SUPPORTED_Pause |
11743 					   SUPPORTED_Asym_Pause);
11744 			break;
11745 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11746 			phy->media_type = ETH_PHY_KR;
11747 			phy->flags |= FLAGS_WC_DUAL_MODE;
11748 			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11749 					   SUPPORTED_FIBRE |
11750 					   SUPPORTED_Pause |
11751 					   SUPPORTED_Asym_Pause);
11752 			break;
11753 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
11754 			phy->media_type = ETH_PHY_KR;
11755 			phy->flags |= FLAGS_WC_DUAL_MODE;
11756 			phy->supported &= (SUPPORTED_20000baseKR2_Full |
11757 					   SUPPORTED_FIBRE |
11758 					   SUPPORTED_Pause |
11759 					   SUPPORTED_Asym_Pause);
11760 			break;
11761 		default:
11762 			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11763 				       serdes_net_if);
11764 			break;
11765 		}
11766 
11767 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11768 		 * was not set as expected. For B0, ECO will be enabled so there
11769 		 * won't be an issue there
11770 		 */
11771 		if (CHIP_REV(bp) == CHIP_REV_Ax)
11772 			phy->flags |= FLAGS_MDC_MDIO_WA;
11773 		else
11774 			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11775 	} else {
11776 		switch (switch_cfg) {
11777 		case SWITCH_CFG_1G:
11778 			phy_addr = REG_RD(bp,
11779 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
11780 					  port * 0x10);
11781 			*phy = phy_serdes;
11782 			break;
11783 		case SWITCH_CFG_10G:
11784 			phy_addr = REG_RD(bp,
11785 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
11786 					  port * 0x18);
11787 			*phy = phy_xgxs;
11788 			break;
11789 		default:
11790 			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11791 			return -EINVAL;
11792 		}
11793 	}
11794 	phy->addr = (u8)phy_addr;
11795 	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11796 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11797 					    port);
11798 	if (CHIP_IS_E2(bp))
11799 		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11800 	else
11801 		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
11802 
11803 	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11804 		   port, phy->addr, phy->mdio_ctrl);
11805 
11806 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11807 	return 0;
11808 }
11809 
11810 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11811 				  u8 phy_index,
11812 				  u32 shmem_base,
11813 				  u32 shmem2_base,
11814 				  u8 port,
11815 				  struct bnx2x_phy *phy)
11816 {
11817 	u32 ext_phy_config, phy_type, config2;
11818 	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
11819 	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11820 						  phy_index, port);
11821 	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11822 	/* Select the phy type */
11823 	switch (phy_type) {
11824 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
11825 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
11826 		*phy = phy_8073;
11827 		break;
11828 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11829 		*phy = phy_8705;
11830 		break;
11831 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11832 		*phy = phy_8706;
11833 		break;
11834 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
11835 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11836 		*phy = phy_8726;
11837 		break;
11838 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11839 		/* BCM8727_NOC => BCM8727 no over current */
11840 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11841 		*phy = phy_8727;
11842 		phy->flags |= FLAGS_NOC;
11843 		break;
11844 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
11845 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11846 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11847 		*phy = phy_8727;
11848 		break;
11849 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11850 		*phy = phy_8481;
11851 		break;
11852 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11853 		*phy = phy_84823;
11854 		break;
11855 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11856 		*phy = phy_84833;
11857 		break;
11858 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11859 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11860 		*phy = phy_54618se;
11861 		break;
11862 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11863 		*phy = phy_7101;
11864 		break;
11865 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11866 		*phy = phy_null;
11867 		return -EINVAL;
11868 	default:
11869 		*phy = phy_null;
11870 		/* In case external PHY wasn't found */
11871 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11872 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11873 			return -EINVAL;
11874 		return 0;
11875 	}
11876 
11877 	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
11878 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
11879 
11880 	/* The shmem address of the phy version is located on different
11881 	 * structures. In case this structure is too old, do not set
11882 	 * the address
11883 	 */
11884 	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11885 					dev_info.shared_hw_config.config2));
11886 	if (phy_index == EXT_PHY1) {
11887 		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11888 				port_mb[port].ext_phy_fw_version);
11889 
11890 		/* Check specific mdc mdio settings */
11891 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11892 			mdc_mdio_access = config2 &
11893 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
11894 	} else {
11895 		u32 size = REG_RD(bp, shmem2_base);
11896 
11897 		if (size >
11898 		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11899 			phy->ver_addr = shmem2_base +
11900 			    offsetof(struct shmem2_region,
11901 				     ext_phy_fw_version2[port]);
11902 		}
11903 		/* Check specific mdc mdio settings */
11904 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11905 			mdc_mdio_access = (config2 &
11906 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11907 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11908 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11909 	}
11910 	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11911 
11912 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11913 	    (phy->ver_addr)) {
11914 		/* Remove 100Mb link supported for BCM84833 when phy fw
11915 		 * version lower than or equal to 1.39
11916 		 */
11917 		u32 raw_ver = REG_RD(bp, phy->ver_addr);
11918 		if (((raw_ver & 0x7F) <= 39) &&
11919 		    (((raw_ver & 0xF80) >> 7) <= 1))
11920 			phy->supported &= ~(SUPPORTED_100baseT_Half |
11921 					    SUPPORTED_100baseT_Full);
11922 	}
11923 
11924 	/* In case mdc/mdio_access of the external phy is different than the
11925 	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11926 	 * to prevent one port interfere with another port's CL45 operations.
11927 	 */
11928 	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11929 		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11930 	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11931 		   phy_type, port, phy_index);
11932 	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
11933 		   phy->addr, phy->mdio_ctrl);
11934 	return 0;
11935 }
11936 
11937 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11938 			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
11939 {
11940 	int status = 0;
11941 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11942 	if (phy_index == INT_PHY)
11943 		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
11944 	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
11945 					port, phy);
11946 	return status;
11947 }
11948 
11949 static void bnx2x_phy_def_cfg(struct link_params *params,
11950 			      struct bnx2x_phy *phy,
11951 			      u8 phy_index)
11952 {
11953 	struct bnx2x *bp = params->bp;
11954 	u32 link_config;
11955 	/* Populate the default phy configuration for MF mode */
11956 	if (phy_index == EXT_PHY2) {
11957 		link_config = REG_RD(bp, params->shmem_base +
11958 				     offsetof(struct shmem_region, dev_info.
11959 			port_feature_config[params->port].link_config2));
11960 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11961 					     offsetof(struct shmem_region,
11962 						      dev_info.
11963 			port_hw_config[params->port].speed_capability_mask2));
11964 	} else {
11965 		link_config = REG_RD(bp, params->shmem_base +
11966 				     offsetof(struct shmem_region, dev_info.
11967 				port_feature_config[params->port].link_config));
11968 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11969 					     offsetof(struct shmem_region,
11970 						      dev_info.
11971 			port_hw_config[params->port].speed_capability_mask));
11972 	}
11973 	DP(NETIF_MSG_LINK,
11974 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11975 	   phy_index, link_config, phy->speed_cap_mask);
11976 
11977 	phy->req_duplex = DUPLEX_FULL;
11978 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
11979 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
11980 		phy->req_duplex = DUPLEX_HALF;
11981 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
11982 		phy->req_line_speed = SPEED_10;
11983 		break;
11984 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
11985 		phy->req_duplex = DUPLEX_HALF;
11986 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
11987 		phy->req_line_speed = SPEED_100;
11988 		break;
11989 	case PORT_FEATURE_LINK_SPEED_1G:
11990 		phy->req_line_speed = SPEED_1000;
11991 		break;
11992 	case PORT_FEATURE_LINK_SPEED_2_5G:
11993 		phy->req_line_speed = SPEED_2500;
11994 		break;
11995 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
11996 		phy->req_line_speed = SPEED_10000;
11997 		break;
11998 	default:
11999 		phy->req_line_speed = SPEED_AUTO_NEG;
12000 		break;
12001 	}
12002 
12003 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12004 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
12005 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12006 		break;
12007 	case PORT_FEATURE_FLOW_CONTROL_TX:
12008 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12009 		break;
12010 	case PORT_FEATURE_FLOW_CONTROL_RX:
12011 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12012 		break;
12013 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
12014 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12015 		break;
12016 	default:
12017 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12018 		break;
12019 	}
12020 }
12021 
12022 u32 bnx2x_phy_selection(struct link_params *params)
12023 {
12024 	u32 phy_config_swapped, prio_cfg;
12025 	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12026 
12027 	phy_config_swapped = params->multi_phy_config &
12028 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12029 
12030 	prio_cfg = params->multi_phy_config &
12031 			PORT_HW_CFG_PHY_SELECTION_MASK;
12032 
12033 	if (phy_config_swapped) {
12034 		switch (prio_cfg) {
12035 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12036 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12037 		     break;
12038 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12039 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12040 		     break;
12041 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12042 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12043 		     break;
12044 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12045 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12046 		     break;
12047 		}
12048 	} else
12049 		return_cfg = prio_cfg;
12050 
12051 	return return_cfg;
12052 }
12053 
12054 
12055 int bnx2x_phy_probe(struct link_params *params)
12056 {
12057 	u8 phy_index, actual_phy_idx;
12058 	u32 phy_config_swapped, sync_offset, media_types;
12059 	struct bnx2x *bp = params->bp;
12060 	struct bnx2x_phy *phy;
12061 	params->num_phys = 0;
12062 	DP(NETIF_MSG_LINK, "Begin phy probe\n");
12063 	phy_config_swapped = params->multi_phy_config &
12064 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12065 
12066 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12067 	      phy_index++) {
12068 		actual_phy_idx = phy_index;
12069 		if (phy_config_swapped) {
12070 			if (phy_index == EXT_PHY1)
12071 				actual_phy_idx = EXT_PHY2;
12072 			else if (phy_index == EXT_PHY2)
12073 				actual_phy_idx = EXT_PHY1;
12074 		}
12075 		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12076 			       " actual_phy_idx %x\n", phy_config_swapped,
12077 			   phy_index, actual_phy_idx);
12078 		phy = &params->phy[actual_phy_idx];
12079 		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12080 				       params->shmem2_base, params->port,
12081 				       phy) != 0) {
12082 			params->num_phys = 0;
12083 			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12084 				   phy_index);
12085 			for (phy_index = INT_PHY;
12086 			      phy_index < MAX_PHYS;
12087 			      phy_index++)
12088 				*phy = phy_null;
12089 			return -EINVAL;
12090 		}
12091 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12092 			break;
12093 
12094 		if (params->feature_config_flags &
12095 		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12096 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12097 
12098 		sync_offset = params->shmem_base +
12099 			offsetof(struct shmem_region,
12100 			dev_info.port_hw_config[params->port].media_type);
12101 		media_types = REG_RD(bp, sync_offset);
12102 
12103 		/* Update media type for non-PMF sync only for the first time
12104 		 * In case the media type changes afterwards, it will be updated
12105 		 * using the update_status function
12106 		 */
12107 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12108 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12109 				     actual_phy_idx))) == 0) {
12110 			media_types |= ((phy->media_type &
12111 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12112 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12113 				 actual_phy_idx));
12114 		}
12115 		REG_WR(bp, sync_offset, media_types);
12116 
12117 		bnx2x_phy_def_cfg(params, phy, phy_index);
12118 		params->num_phys++;
12119 	}
12120 
12121 	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12122 	return 0;
12123 }
12124 
12125 void bnx2x_init_bmac_loopback(struct link_params *params,
12126 			      struct link_vars *vars)
12127 {
12128 	struct bnx2x *bp = params->bp;
12129 		vars->link_up = 1;
12130 		vars->line_speed = SPEED_10000;
12131 		vars->duplex = DUPLEX_FULL;
12132 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12133 		vars->mac_type = MAC_TYPE_BMAC;
12134 
12135 		vars->phy_flags = PHY_XGXS_FLAG;
12136 
12137 		bnx2x_xgxs_deassert(params);
12138 
12139 		/* set bmac loopback */
12140 		bnx2x_bmac_enable(params, vars, 1);
12141 
12142 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12143 }
12144 
12145 void bnx2x_init_emac_loopback(struct link_params *params,
12146 			      struct link_vars *vars)
12147 {
12148 	struct bnx2x *bp = params->bp;
12149 		vars->link_up = 1;
12150 		vars->line_speed = SPEED_1000;
12151 		vars->duplex = DUPLEX_FULL;
12152 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12153 		vars->mac_type = MAC_TYPE_EMAC;
12154 
12155 		vars->phy_flags = PHY_XGXS_FLAG;
12156 
12157 		bnx2x_xgxs_deassert(params);
12158 		/* set bmac loopback */
12159 		bnx2x_emac_enable(params, vars, 1);
12160 		bnx2x_emac_program(params, vars);
12161 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12162 }
12163 
12164 void bnx2x_init_xmac_loopback(struct link_params *params,
12165 			      struct link_vars *vars)
12166 {
12167 	struct bnx2x *bp = params->bp;
12168 	vars->link_up = 1;
12169 	if (!params->req_line_speed[0])
12170 		vars->line_speed = SPEED_10000;
12171 	else
12172 		vars->line_speed = params->req_line_speed[0];
12173 	vars->duplex = DUPLEX_FULL;
12174 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12175 	vars->mac_type = MAC_TYPE_XMAC;
12176 	vars->phy_flags = PHY_XGXS_FLAG;
12177 	/* Set WC to loopback mode since link is required to provide clock
12178 	 * to the XMAC in 20G mode
12179 	 */
12180 	bnx2x_set_aer_mmd(params, &params->phy[0]);
12181 	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12182 	params->phy[INT_PHY].config_loopback(
12183 			&params->phy[INT_PHY],
12184 			params);
12185 
12186 	bnx2x_xmac_enable(params, vars, 1);
12187 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12188 }
12189 
12190 void bnx2x_init_umac_loopback(struct link_params *params,
12191 			      struct link_vars *vars)
12192 {
12193 	struct bnx2x *bp = params->bp;
12194 	vars->link_up = 1;
12195 	vars->line_speed = SPEED_1000;
12196 	vars->duplex = DUPLEX_FULL;
12197 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12198 	vars->mac_type = MAC_TYPE_UMAC;
12199 	vars->phy_flags = PHY_XGXS_FLAG;
12200 	bnx2x_umac_enable(params, vars, 1);
12201 
12202 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12203 }
12204 
12205 void bnx2x_init_xgxs_loopback(struct link_params *params,
12206 			      struct link_vars *vars)
12207 {
12208 	struct bnx2x *bp = params->bp;
12209 		vars->link_up = 1;
12210 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12211 		vars->duplex = DUPLEX_FULL;
12212 	if (params->req_line_speed[0] == SPEED_1000)
12213 			vars->line_speed = SPEED_1000;
12214 	else
12215 			vars->line_speed = SPEED_10000;
12216 
12217 	if (!USES_WARPCORE(bp))
12218 		bnx2x_xgxs_deassert(params);
12219 	bnx2x_link_initialize(params, vars);
12220 
12221 	if (params->req_line_speed[0] == SPEED_1000) {
12222 		if (USES_WARPCORE(bp))
12223 			bnx2x_umac_enable(params, vars, 0);
12224 		else {
12225 			bnx2x_emac_program(params, vars);
12226 			bnx2x_emac_enable(params, vars, 0);
12227 		}
12228 	} else {
12229 		if (USES_WARPCORE(bp))
12230 			bnx2x_xmac_enable(params, vars, 0);
12231 		else
12232 			bnx2x_bmac_enable(params, vars, 0);
12233 	}
12234 
12235 		if (params->loopback_mode == LOOPBACK_XGXS) {
12236 			/* set 10G XGXS loopback */
12237 			params->phy[INT_PHY].config_loopback(
12238 				&params->phy[INT_PHY],
12239 				params);
12240 
12241 		} else {
12242 			/* set external phy loopback */
12243 			u8 phy_index;
12244 			for (phy_index = EXT_PHY1;
12245 			      phy_index < params->num_phys; phy_index++) {
12246 				if (params->phy[phy_index].config_loopback)
12247 					params->phy[phy_index].config_loopback(
12248 						&params->phy[phy_index],
12249 						params);
12250 			}
12251 		}
12252 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12253 
12254 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12255 }
12256 
12257 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12258 {
12259 	struct bnx2x *bp = params->bp;
12260 	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12261 	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12262 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
12263 	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12264 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
12265 	vars->link_status = 0;
12266 	vars->phy_link_up = 0;
12267 	vars->link_up = 0;
12268 	vars->line_speed = 0;
12269 	vars->duplex = DUPLEX_FULL;
12270 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12271 	vars->mac_type = MAC_TYPE_NONE;
12272 	vars->phy_flags = 0;
12273 
12274 	/* Disable attentions */
12275 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12276 		       (NIG_MASK_XGXS0_LINK_STATUS |
12277 			NIG_MASK_XGXS0_LINK10G |
12278 			NIG_MASK_SERDES0_LINK_STATUS |
12279 			NIG_MASK_MI_INT));
12280 
12281 	bnx2x_emac_init(params, vars);
12282 
12283 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12284 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
12285 
12286 	if (params->num_phys == 0) {
12287 		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12288 		return -EINVAL;
12289 	}
12290 	set_phy_vars(params, vars);
12291 
12292 	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12293 	switch (params->loopback_mode) {
12294 	case LOOPBACK_BMAC:
12295 		bnx2x_init_bmac_loopback(params, vars);
12296 		break;
12297 	case LOOPBACK_EMAC:
12298 		bnx2x_init_emac_loopback(params, vars);
12299 		break;
12300 	case LOOPBACK_XMAC:
12301 		bnx2x_init_xmac_loopback(params, vars);
12302 		break;
12303 	case LOOPBACK_UMAC:
12304 		bnx2x_init_umac_loopback(params, vars);
12305 		break;
12306 	case LOOPBACK_XGXS:
12307 	case LOOPBACK_EXT_PHY:
12308 		bnx2x_init_xgxs_loopback(params, vars);
12309 		break;
12310 	default:
12311 		if (!CHIP_IS_E3(bp)) {
12312 			if (params->switch_cfg == SWITCH_CFG_10G)
12313 				bnx2x_xgxs_deassert(params);
12314 			else
12315 				bnx2x_serdes_deassert(bp, params->port);
12316 		}
12317 		bnx2x_link_initialize(params, vars);
12318 		msleep(30);
12319 		bnx2x_link_int_enable(params);
12320 		break;
12321 	}
12322 	bnx2x_update_mng(params, vars->link_status);
12323 
12324 	bnx2x_update_mng_eee(params, vars->eee_status);
12325 	return 0;
12326 }
12327 
12328 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12329 		     u8 reset_ext_phy)
12330 {
12331 	struct bnx2x *bp = params->bp;
12332 	u8 phy_index, port = params->port, clear_latch_ind = 0;
12333 	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12334 	/* Disable attentions */
12335 	vars->link_status = 0;
12336 	bnx2x_update_mng(params, vars->link_status);
12337 	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12338 			      SHMEM_EEE_ACTIVE_BIT);
12339 	bnx2x_update_mng_eee(params, vars->eee_status);
12340 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12341 		       (NIG_MASK_XGXS0_LINK_STATUS |
12342 			NIG_MASK_XGXS0_LINK10G |
12343 			NIG_MASK_SERDES0_LINK_STATUS |
12344 			NIG_MASK_MI_INT));
12345 
12346 	/* Activate nig drain */
12347 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12348 
12349 	/* Disable nig egress interface */
12350 	if (!CHIP_IS_E3(bp)) {
12351 		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12352 		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12353 	}
12354 
12355 	/* Stop BigMac rx */
12356 	if (!CHIP_IS_E3(bp))
12357 		bnx2x_bmac_rx_disable(bp, port);
12358 	else {
12359 		bnx2x_xmac_disable(params);
12360 		bnx2x_umac_disable(params);
12361 	}
12362 	/* Disable emac */
12363 	if (!CHIP_IS_E3(bp))
12364 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12365 
12366 	usleep_range(10000, 20000);
12367 	/* The PHY reset is controlled by GPIO 1
12368 	 * Hold it as vars low
12369 	 */
12370 	 /* Clear link led */
12371 	bnx2x_set_mdio_clk(bp, params->chip_id, port);
12372 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12373 
12374 	if (reset_ext_phy) {
12375 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12376 		      phy_index++) {
12377 			if (params->phy[phy_index].link_reset) {
12378 				bnx2x_set_aer_mmd(params,
12379 						  &params->phy[phy_index]);
12380 				params->phy[phy_index].link_reset(
12381 					&params->phy[phy_index],
12382 					params);
12383 			}
12384 			if (params->phy[phy_index].flags &
12385 			    FLAGS_REARM_LATCH_SIGNAL)
12386 				clear_latch_ind = 1;
12387 		}
12388 	}
12389 
12390 	if (clear_latch_ind) {
12391 		/* Clear latching indication */
12392 		bnx2x_rearm_latch_signal(bp, port, 0);
12393 		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12394 			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
12395 	}
12396 	if (params->phy[INT_PHY].link_reset)
12397 		params->phy[INT_PHY].link_reset(
12398 			&params->phy[INT_PHY], params);
12399 
12400 	/* Disable nig ingress interface */
12401 	if (!CHIP_IS_E3(bp)) {
12402 		/* Reset BigMac */
12403 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12404 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12405 		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12406 		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12407 	} else {
12408 		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12409 		bnx2x_set_xumac_nig(params, 0, 0);
12410 		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12411 		    MISC_REGISTERS_RESET_REG_2_XMAC)
12412 			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12413 			       XMAC_CTRL_REG_SOFT_RESET);
12414 	}
12415 	vars->link_up = 0;
12416 	vars->phy_flags = 0;
12417 	return 0;
12418 }
12419 
12420 /****************************************************************************/
12421 /*				Common function				    */
12422 /****************************************************************************/
12423 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12424 				      u32 shmem_base_path[],
12425 				      u32 shmem2_base_path[], u8 phy_index,
12426 				      u32 chip_id)
12427 {
12428 	struct bnx2x_phy phy[PORT_MAX];
12429 	struct bnx2x_phy *phy_blk[PORT_MAX];
12430 	u16 val;
12431 	s8 port = 0;
12432 	s8 port_of_path = 0;
12433 	u32 swap_val, swap_override;
12434 	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
12435 	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
12436 	port ^= (swap_val && swap_override);
12437 	bnx2x_ext_phy_hw_reset(bp, port);
12438 	/* PART1 - Reset both phys */
12439 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12440 		u32 shmem_base, shmem2_base;
12441 		/* In E2, same phy is using for port0 of the two paths */
12442 		if (CHIP_IS_E1x(bp)) {
12443 			shmem_base = shmem_base_path[0];
12444 			shmem2_base = shmem2_base_path[0];
12445 			port_of_path = port;
12446 		} else {
12447 			shmem_base = shmem_base_path[port];
12448 			shmem2_base = shmem2_base_path[port];
12449 			port_of_path = 0;
12450 		}
12451 
12452 		/* Extract the ext phy address for the port */
12453 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12454 				       port_of_path, &phy[port]) !=
12455 		    0) {
12456 			DP(NETIF_MSG_LINK, "populate_phy failed\n");
12457 			return -EINVAL;
12458 		}
12459 		/* Disable attentions */
12460 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12461 			       port_of_path*4,
12462 			       (NIG_MASK_XGXS0_LINK_STATUS |
12463 				NIG_MASK_XGXS0_LINK10G |
12464 				NIG_MASK_SERDES0_LINK_STATUS |
12465 				NIG_MASK_MI_INT));
12466 
12467 		/* Need to take the phy out of low power mode in order
12468 		 * to write to access its registers
12469 		 */
12470 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12471 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12472 			       port);
12473 
12474 		/* Reset the phy */
12475 		bnx2x_cl45_write(bp, &phy[port],
12476 				 MDIO_PMA_DEVAD,
12477 				 MDIO_PMA_REG_CTRL,
12478 				 1<<15);
12479 	}
12480 
12481 	/* Add delay of 150ms after reset */
12482 	msleep(150);
12483 
12484 	if (phy[PORT_0].addr & 0x1) {
12485 		phy_blk[PORT_0] = &(phy[PORT_1]);
12486 		phy_blk[PORT_1] = &(phy[PORT_0]);
12487 	} else {
12488 		phy_blk[PORT_0] = &(phy[PORT_0]);
12489 		phy_blk[PORT_1] = &(phy[PORT_1]);
12490 	}
12491 
12492 	/* PART2 - Download firmware to both phys */
12493 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12494 		if (CHIP_IS_E1x(bp))
12495 			port_of_path = port;
12496 		else
12497 			port_of_path = 0;
12498 
12499 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12500 			   phy_blk[port]->addr);
12501 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12502 						      port_of_path))
12503 			return -EINVAL;
12504 
12505 		/* Only set bit 10 = 1 (Tx power down) */
12506 		bnx2x_cl45_read(bp, phy_blk[port],
12507 				MDIO_PMA_DEVAD,
12508 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12509 
12510 		/* Phase1 of TX_POWER_DOWN reset */
12511 		bnx2x_cl45_write(bp, phy_blk[port],
12512 				 MDIO_PMA_DEVAD,
12513 				 MDIO_PMA_REG_TX_POWER_DOWN,
12514 				 (val | 1<<10));
12515 	}
12516 
12517 	/* Toggle Transmitter: Power down and then up with 600ms delay
12518 	 * between
12519 	 */
12520 	msleep(600);
12521 
12522 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12523 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12524 		/* Phase2 of POWER_DOWN_RESET */
12525 		/* Release bit 10 (Release Tx power down) */
12526 		bnx2x_cl45_read(bp, phy_blk[port],
12527 				MDIO_PMA_DEVAD,
12528 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12529 
12530 		bnx2x_cl45_write(bp, phy_blk[port],
12531 				MDIO_PMA_DEVAD,
12532 				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12533 		usleep_range(15000, 30000);
12534 
12535 		/* Read modify write the SPI-ROM version select register */
12536 		bnx2x_cl45_read(bp, phy_blk[port],
12537 				MDIO_PMA_DEVAD,
12538 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12539 		bnx2x_cl45_write(bp, phy_blk[port],
12540 				 MDIO_PMA_DEVAD,
12541 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12542 
12543 		/* set GPIO2 back to LOW */
12544 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12545 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12546 	}
12547 	return 0;
12548 }
12549 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12550 				      u32 shmem_base_path[],
12551 				      u32 shmem2_base_path[], u8 phy_index,
12552 				      u32 chip_id)
12553 {
12554 	u32 val;
12555 	s8 port;
12556 	struct bnx2x_phy phy;
12557 	/* Use port1 because of the static port-swap */
12558 	/* Enable the module detection interrupt */
12559 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12560 	val |= ((1<<MISC_REGISTERS_GPIO_3)|
12561 		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12562 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12563 
12564 	bnx2x_ext_phy_hw_reset(bp, 0);
12565 	usleep_range(5000, 10000);
12566 	for (port = 0; port < PORT_MAX; port++) {
12567 		u32 shmem_base, shmem2_base;
12568 
12569 		/* In E2, same phy is using for port0 of the two paths */
12570 		if (CHIP_IS_E1x(bp)) {
12571 			shmem_base = shmem_base_path[0];
12572 			shmem2_base = shmem2_base_path[0];
12573 		} else {
12574 			shmem_base = shmem_base_path[port];
12575 			shmem2_base = shmem2_base_path[port];
12576 		}
12577 		/* Extract the ext phy address for the port */
12578 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12579 				       port, &phy) !=
12580 		    0) {
12581 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12582 			return -EINVAL;
12583 		}
12584 
12585 		/* Reset phy*/
12586 		bnx2x_cl45_write(bp, &phy,
12587 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12588 
12589 
12590 		/* Set fault module detected LED on */
12591 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
12592 			       MISC_REGISTERS_GPIO_HIGH,
12593 			       port);
12594 	}
12595 
12596 	return 0;
12597 }
12598 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12599 					 u8 *io_gpio, u8 *io_port)
12600 {
12601 
12602 	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12603 					  offsetof(struct shmem_region,
12604 				dev_info.port_hw_config[PORT_0].default_cfg));
12605 	switch (phy_gpio_reset) {
12606 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12607 		*io_gpio = 0;
12608 		*io_port = 0;
12609 		break;
12610 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12611 		*io_gpio = 1;
12612 		*io_port = 0;
12613 		break;
12614 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12615 		*io_gpio = 2;
12616 		*io_port = 0;
12617 		break;
12618 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12619 		*io_gpio = 3;
12620 		*io_port = 0;
12621 		break;
12622 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12623 		*io_gpio = 0;
12624 		*io_port = 1;
12625 		break;
12626 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12627 		*io_gpio = 1;
12628 		*io_port = 1;
12629 		break;
12630 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12631 		*io_gpio = 2;
12632 		*io_port = 1;
12633 		break;
12634 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12635 		*io_gpio = 3;
12636 		*io_port = 1;
12637 		break;
12638 	default:
12639 		/* Don't override the io_gpio and io_port */
12640 		break;
12641 	}
12642 }
12643 
12644 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12645 				      u32 shmem_base_path[],
12646 				      u32 shmem2_base_path[], u8 phy_index,
12647 				      u32 chip_id)
12648 {
12649 	s8 port, reset_gpio;
12650 	u32 swap_val, swap_override;
12651 	struct bnx2x_phy phy[PORT_MAX];
12652 	struct bnx2x_phy *phy_blk[PORT_MAX];
12653 	s8 port_of_path;
12654 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12655 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12656 
12657 	reset_gpio = MISC_REGISTERS_GPIO_1;
12658 	port = 1;
12659 
12660 	/* Retrieve the reset gpio/port which control the reset.
12661 	 * Default is GPIO1, PORT1
12662 	 */
12663 	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12664 				     (u8 *)&reset_gpio, (u8 *)&port);
12665 
12666 	/* Calculate the port based on port swap */
12667 	port ^= (swap_val && swap_override);
12668 
12669 	/* Initiate PHY reset*/
12670 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12671 		       port);
12672 	 usleep_range(1000, 2000);
12673 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12674 		       port);
12675 
12676 	usleep_range(5000, 10000);
12677 
12678 	/* PART1 - Reset both phys */
12679 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12680 		u32 shmem_base, shmem2_base;
12681 
12682 		/* In E2, same phy is using for port0 of the two paths */
12683 		if (CHIP_IS_E1x(bp)) {
12684 			shmem_base = shmem_base_path[0];
12685 			shmem2_base = shmem2_base_path[0];
12686 			port_of_path = port;
12687 		} else {
12688 			shmem_base = shmem_base_path[port];
12689 			shmem2_base = shmem2_base_path[port];
12690 			port_of_path = 0;
12691 		}
12692 
12693 		/* Extract the ext phy address for the port */
12694 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12695 				       port_of_path, &phy[port]) !=
12696 				       0) {
12697 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12698 			return -EINVAL;
12699 		}
12700 		/* disable attentions */
12701 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12702 			       port_of_path*4,
12703 			       (NIG_MASK_XGXS0_LINK_STATUS |
12704 				NIG_MASK_XGXS0_LINK10G |
12705 				NIG_MASK_SERDES0_LINK_STATUS |
12706 				NIG_MASK_MI_INT));
12707 
12708 
12709 		/* Reset the phy */
12710 		bnx2x_cl45_write(bp, &phy[port],
12711 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
12712 	}
12713 
12714 	/* Add delay of 150ms after reset */
12715 	msleep(150);
12716 	if (phy[PORT_0].addr & 0x1) {
12717 		phy_blk[PORT_0] = &(phy[PORT_1]);
12718 		phy_blk[PORT_1] = &(phy[PORT_0]);
12719 	} else {
12720 		phy_blk[PORT_0] = &(phy[PORT_0]);
12721 		phy_blk[PORT_1] = &(phy[PORT_1]);
12722 	}
12723 	/* PART2 - Download firmware to both phys */
12724 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12725 		if (CHIP_IS_E1x(bp))
12726 			port_of_path = port;
12727 		else
12728 			port_of_path = 0;
12729 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12730 			   phy_blk[port]->addr);
12731 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12732 						      port_of_path))
12733 			return -EINVAL;
12734 		/* Disable PHY transmitter output */
12735 		bnx2x_cl45_write(bp, phy_blk[port],
12736 				 MDIO_PMA_DEVAD,
12737 				 MDIO_PMA_REG_TX_DISABLE, 1);
12738 
12739 	}
12740 	return 0;
12741 }
12742 
12743 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12744 						u32 shmem_base_path[],
12745 						u32 shmem2_base_path[],
12746 						u8 phy_index,
12747 						u32 chip_id)
12748 {
12749 	u8 reset_gpios;
12750 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12751 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12752 	udelay(10);
12753 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12754 	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12755 		reset_gpios);
12756 	return 0;
12757 }
12758 
12759 static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12760 					       struct bnx2x_phy *phy)
12761 {
12762 	u16 val, cnt;
12763 	/* Wait for FW completing its initialization. */
12764 	for (cnt = 0; cnt < 1500; cnt++) {
12765 		bnx2x_cl45_read(bp, phy,
12766 				MDIO_PMA_DEVAD,
12767 				MDIO_PMA_REG_CTRL, &val);
12768 		if (!(val & (1<<15)))
12769 			break;
12770 		 usleep_range(1000, 2000);
12771 	}
12772 	if (cnt >= 1500) {
12773 		DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12774 		return -EINVAL;
12775 	}
12776 
12777 	/* Put the port in super isolate mode. */
12778 	bnx2x_cl45_read(bp, phy,
12779 			MDIO_CTL_DEVAD,
12780 			MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12781 	val |= MDIO_84833_SUPER_ISOLATE;
12782 	bnx2x_cl45_write(bp, phy,
12783 			 MDIO_CTL_DEVAD,
12784 			 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12785 
12786 	/* Save spirom version */
12787 	bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12788 	return 0;
12789 }
12790 
12791 int bnx2x_pre_init_phy(struct bnx2x *bp,
12792 				  u32 shmem_base,
12793 				  u32 shmem2_base,
12794 				  u32 chip_id)
12795 {
12796 	int rc = 0;
12797 	struct bnx2x_phy phy;
12798 	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12799 	if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12800 			       PORT_0, &phy)) {
12801 		DP(NETIF_MSG_LINK, "populate_phy failed\n");
12802 		return -EINVAL;
12803 	}
12804 	switch (phy.type) {
12805 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12806 		rc = bnx2x_84833_pre_init_phy(bp, &phy);
12807 		break;
12808 	default:
12809 		break;
12810 	}
12811 	return rc;
12812 }
12813 
12814 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12815 				     u32 shmem2_base_path[], u8 phy_index,
12816 				     u32 ext_phy_type, u32 chip_id)
12817 {
12818 	int rc = 0;
12819 
12820 	switch (ext_phy_type) {
12821 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12822 		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12823 						shmem2_base_path,
12824 						phy_index, chip_id);
12825 		break;
12826 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12827 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12828 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12829 		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12830 						shmem2_base_path,
12831 						phy_index, chip_id);
12832 		break;
12833 
12834 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12835 		/* GPIO1 affects both ports, so there's need to pull
12836 		 * it for single port alone
12837 		 */
12838 		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12839 						shmem2_base_path,
12840 						phy_index, chip_id);
12841 		break;
12842 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12843 		/* GPIO3's are linked, and so both need to be toggled
12844 		 * to obtain required 2us pulse.
12845 		 */
12846 		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12847 						shmem2_base_path,
12848 						phy_index, chip_id);
12849 		break;
12850 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12851 		rc = -EINVAL;
12852 		break;
12853 	default:
12854 		DP(NETIF_MSG_LINK,
12855 			   "ext_phy 0x%x common init not required\n",
12856 			   ext_phy_type);
12857 		break;
12858 	}
12859 
12860 	if (rc)
12861 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
12862 				      " Port %d\n",
12863 			 0);
12864 	return rc;
12865 }
12866 
12867 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12868 			  u32 shmem2_base_path[], u32 chip_id)
12869 {
12870 	int rc = 0;
12871 	u32 phy_ver, val;
12872 	u8 phy_index = 0;
12873 	u32 ext_phy_type, ext_phy_config;
12874 	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12875 	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
12876 	DP(NETIF_MSG_LINK, "Begin common phy init\n");
12877 	if (CHIP_IS_E3(bp)) {
12878 		/* Enable EPIO */
12879 		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12880 		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12881 	}
12882 	/* Check if common init was already done */
12883 	phy_ver = REG_RD(bp, shmem_base_path[0] +
12884 			 offsetof(struct shmem_region,
12885 				  port_mb[PORT_0].ext_phy_fw_version));
12886 	if (phy_ver) {
12887 		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12888 			       phy_ver);
12889 		return 0;
12890 	}
12891 
12892 	/* Read the ext_phy_type for arbitrary port(0) */
12893 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12894 	      phy_index++) {
12895 		ext_phy_config = bnx2x_get_ext_phy_config(bp,
12896 							  shmem_base_path[0],
12897 							  phy_index, 0);
12898 		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12899 		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12900 						shmem2_base_path,
12901 						phy_index, ext_phy_type,
12902 						chip_id);
12903 	}
12904 	return rc;
12905 }
12906 
12907 static void bnx2x_check_over_curr(struct link_params *params,
12908 				  struct link_vars *vars)
12909 {
12910 	struct bnx2x *bp = params->bp;
12911 	u32 cfg_pin;
12912 	u8 port = params->port;
12913 	u32 pin_val;
12914 
12915 	cfg_pin = (REG_RD(bp, params->shmem_base +
12916 			  offsetof(struct shmem_region,
12917 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12918 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12919 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12920 
12921 	/* Ignore check if no external input PIN available */
12922 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12923 		return;
12924 
12925 	if (!pin_val) {
12926 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12927 			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
12928 					    " been detected and the power to "
12929 					    "that SFP+ module has been removed"
12930 					    " to prevent failure of the card."
12931 					    " Please remove the SFP+ module and"
12932 					    " restart the system to clear this"
12933 					    " error.\n",
12934 			 params->port);
12935 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12936 		}
12937 	} else
12938 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12939 }
12940 
12941 /* Returns 0 if no change occured since last check; 1 otherwise. */
12942 static u8 bnx2x_analyze_link_error(struct link_params *params,
12943 				    struct link_vars *vars, u32 status,
12944 				    u32 phy_flag, u32 link_flag, u8 notify)
12945 {
12946 	struct bnx2x *bp = params->bp;
12947 	/* Compare new value with previous value */
12948 	u8 led_mode;
12949 	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
12950 
12951 	if ((status ^ old_status) == 0)
12952 		return 0;
12953 
12954 	/* If values differ */
12955 	switch (phy_flag) {
12956 	case PHY_HALF_OPEN_CONN_FLAG:
12957 		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
12958 		break;
12959 	case PHY_SFP_TX_FAULT_FLAG:
12960 		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
12961 		break;
12962 	default:
12963 		DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
12964 	}
12965 	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
12966 	   old_status, status);
12967 
12968 	/* a. Update shmem->link_status accordingly
12969 	 * b. Update link_vars->link_up
12970 	 */
12971 	if (status) {
12972 		vars->link_status &= ~LINK_STATUS_LINK_UP;
12973 		vars->link_status |= link_flag;
12974 		vars->link_up = 0;
12975 		vars->phy_flags |= phy_flag;
12976 
12977 		/* activate nig drain */
12978 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12979 		/* Set LED mode to off since the PHY doesn't know about these
12980 		 * errors
12981 		 */
12982 		led_mode = LED_MODE_OFF;
12983 	} else {
12984 		vars->link_status |= LINK_STATUS_LINK_UP;
12985 		vars->link_status &= ~link_flag;
12986 		vars->link_up = 1;
12987 		vars->phy_flags &= ~phy_flag;
12988 		led_mode = LED_MODE_OPER;
12989 
12990 		/* Clear nig drain */
12991 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12992 	}
12993 	bnx2x_sync_link(params, vars);
12994 	/* Update the LED according to the link state */
12995 	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
12996 
12997 	/* Update link status in the shared memory */
12998 	bnx2x_update_mng(params, vars->link_status);
12999 
13000 	/* C. Trigger General Attention */
13001 	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13002 	if (notify)
13003 		bnx2x_notify_link_changed(bp);
13004 
13005 	return 1;
13006 }
13007 
13008 /******************************************************************************
13009 * Description:
13010 *	This function checks for half opened connection change indication.
13011 *	When such change occurs, it calls the bnx2x_analyze_link_error
13012 *	to check if Remote Fault is set or cleared. Reception of remote fault
13013 *	status message in the MAC indicates that the peer's MAC has detected
13014 *	a fault, for example, due to break in the TX side of fiber.
13015 *
13016 ******************************************************************************/
13017 int bnx2x_check_half_open_conn(struct link_params *params,
13018 				struct link_vars *vars,
13019 				u8 notify)
13020 {
13021 	struct bnx2x *bp = params->bp;
13022 	u32 lss_status = 0;
13023 	u32 mac_base;
13024 	/* In case link status is physically up @ 10G do */
13025 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13026 	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13027 		return 0;
13028 
13029 	if (CHIP_IS_E3(bp) &&
13030 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
13031 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13032 		/* Check E3 XMAC */
13033 		/* Note that link speed cannot be queried here, since it may be
13034 		 * zero while link is down. In case UMAC is active, LSS will
13035 		 * simply not be set
13036 		 */
13037 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13038 
13039 		/* Clear stick bits (Requires rising edge) */
13040 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13041 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13042 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13043 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13044 		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13045 			lss_status = 1;
13046 
13047 		bnx2x_analyze_link_error(params, vars, lss_status,
13048 					 PHY_HALF_OPEN_CONN_FLAG,
13049 					 LINK_STATUS_NONE, notify);
13050 	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13051 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13052 		/* Check E1X / E2 BMAC */
13053 		u32 lss_status_reg;
13054 		u32 wb_data[2];
13055 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13056 			NIG_REG_INGRESS_BMAC0_MEM;
13057 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13058 		if (CHIP_IS_E2(bp))
13059 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13060 		else
13061 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13062 
13063 		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13064 		lss_status = (wb_data[0] > 0);
13065 
13066 		bnx2x_analyze_link_error(params, vars, lss_status,
13067 					 PHY_HALF_OPEN_CONN_FLAG,
13068 					 LINK_STATUS_NONE, notify);
13069 	}
13070 	return 0;
13071 }
13072 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13073 					 struct link_params *params,
13074 					 struct link_vars *vars)
13075 {
13076 	struct bnx2x *bp = params->bp;
13077 	u32 cfg_pin, value = 0;
13078 	u8 led_change, port = params->port;
13079 
13080 	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13081 	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13082 			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13083 		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13084 		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13085 
13086 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13087 		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13088 		return;
13089 	}
13090 
13091 	led_change = bnx2x_analyze_link_error(params, vars, value,
13092 					      PHY_SFP_TX_FAULT_FLAG,
13093 					      LINK_STATUS_SFP_TX_FAULT, 1);
13094 
13095 	if (led_change) {
13096 		/* Change TX_Fault led, set link status for further syncs */
13097 		u8 led_mode;
13098 
13099 		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13100 			led_mode = MISC_REGISTERS_GPIO_HIGH;
13101 			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13102 		} else {
13103 			led_mode = MISC_REGISTERS_GPIO_LOW;
13104 			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13105 		}
13106 
13107 		/* If module is unapproved, led should be on regardless */
13108 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13109 			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13110 			   led_mode);
13111 			bnx2x_set_e3_module_fault_led(params, led_mode);
13112 		}
13113 	}
13114 }
13115 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13116 {
13117 	u16 phy_idx;
13118 	struct bnx2x *bp = params->bp;
13119 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13120 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13121 			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13122 			if (bnx2x_check_half_open_conn(params, vars, 1) !=
13123 			    0)
13124 				DP(NETIF_MSG_LINK, "Fault detection failed\n");
13125 			break;
13126 		}
13127 	}
13128 
13129 	if (CHIP_IS_E3(bp)) {
13130 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
13131 		bnx2x_set_aer_mmd(params, phy);
13132 		bnx2x_check_over_curr(params, vars);
13133 		if (vars->rx_tx_asic_rst)
13134 			bnx2x_warpcore_config_runtime(phy, params, vars);
13135 
13136 		if ((REG_RD(bp, params->shmem_base +
13137 			    offsetof(struct shmem_region, dev_info.
13138 				port_hw_config[params->port].default_cfg))
13139 		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13140 		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
13141 			if (bnx2x_is_sfp_module_plugged(phy, params)) {
13142 				bnx2x_sfp_tx_fault_detection(phy, params, vars);
13143 			} else if (vars->link_status &
13144 				LINK_STATUS_SFP_TX_FAULT) {
13145 				/* Clean trail, interrupt corrects the leds */
13146 				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13147 				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13148 				/* Update link status in the shared memory */
13149 				bnx2x_update_mng(params, vars->link_status);
13150 			}
13151 		}
13152 
13153 	}
13154 
13155 }
13156 
13157 u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
13158 {
13159 	u8 phy_index;
13160 	struct bnx2x_phy phy;
13161 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13162 	      phy_index++) {
13163 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13164 				       0, &phy) != 0) {
13165 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13166 			return 0;
13167 		}
13168 
13169 		if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
13170 			return 1;
13171 	}
13172 	return 0;
13173 }
13174 
13175 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13176 			     u32 shmem_base,
13177 			     u32 shmem2_base,
13178 			     u8 port)
13179 {
13180 	u8 phy_index, fan_failure_det_req = 0;
13181 	struct bnx2x_phy phy;
13182 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13183 	      phy_index++) {
13184 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13185 				       port, &phy)
13186 		    != 0) {
13187 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13188 			return 0;
13189 		}
13190 		fan_failure_det_req |= (phy.flags &
13191 					FLAGS_FAN_FAILURE_DET_REQ);
13192 	}
13193 	return fan_failure_det_req;
13194 }
13195 
13196 void bnx2x_hw_reset_phy(struct link_params *params)
13197 {
13198 	u8 phy_index;
13199 	struct bnx2x *bp = params->bp;
13200 	bnx2x_update_mng(params, 0);
13201 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13202 		       (NIG_MASK_XGXS0_LINK_STATUS |
13203 			NIG_MASK_XGXS0_LINK10G |
13204 			NIG_MASK_SERDES0_LINK_STATUS |
13205 			NIG_MASK_MI_INT));
13206 
13207 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13208 	      phy_index++) {
13209 		if (params->phy[phy_index].hw_reset) {
13210 			params->phy[phy_index].hw_reset(
13211 				&params->phy[phy_index],
13212 				params);
13213 			params->phy[phy_index] = phy_null;
13214 		}
13215 	}
13216 }
13217 
13218 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13219 			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
13220 			    u8 port)
13221 {
13222 	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13223 	u32 val;
13224 	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13225 	if (CHIP_IS_E3(bp)) {
13226 		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13227 					      shmem_base,
13228 					      port,
13229 					      &gpio_num,
13230 					      &gpio_port) != 0)
13231 			return;
13232 	} else {
13233 		struct bnx2x_phy phy;
13234 		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13235 		      phy_index++) {
13236 			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13237 					       shmem2_base, port, &phy)
13238 			    != 0) {
13239 				DP(NETIF_MSG_LINK, "populate phy failed\n");
13240 				return;
13241 			}
13242 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13243 				gpio_num = MISC_REGISTERS_GPIO_3;
13244 				gpio_port = port;
13245 				break;
13246 			}
13247 		}
13248 	}
13249 
13250 	if (gpio_num == 0xff)
13251 		return;
13252 
13253 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
13254 	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13255 
13256 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13257 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13258 	gpio_port ^= (swap_val && swap_override);
13259 
13260 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13261 		(gpio_num + (gpio_port << 2));
13262 
13263 	sync_offset = shmem_base +
13264 		offsetof(struct shmem_region,
13265 			 dev_info.port_hw_config[port].aeu_int_mask);
13266 	REG_WR(bp, sync_offset, vars->aeu_int_mask);
13267 
13268 	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13269 		       gpio_num, gpio_port, vars->aeu_int_mask);
13270 
13271 	if (port == 0)
13272 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13273 	else
13274 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13275 
13276 	/* Open appropriate AEU for interrupts */
13277 	aeu_mask = REG_RD(bp, offset);
13278 	aeu_mask |= vars->aeu_int_mask;
13279 	REG_WR(bp, offset, aeu_mask);
13280 
13281 	/* Enable the GPIO to trigger interrupt */
13282 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13283 	val |= 1 << (gpio_num + (gpio_port << 2));
13284 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13285 }
13286