xref: /linux/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c (revision 9429ec96c2718c0d1e3317cf60a87a0405223814)
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 
2671 	if (CHIP_IS_E3(bp)) {
2672 		if (vars->mac_type == MAC_TYPE_XMAC)
2673 			bnx2x_update_pfc_xmac(params, vars, 0);
2674 	} else {
2675 		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2676 		if ((val &
2677 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2678 		    == 0) {
2679 			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2680 			bnx2x_emac_enable(params, vars, 0);
2681 			return bnx2x_status;
2682 		}
2683 		if (CHIP_IS_E2(bp))
2684 			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2685 		else
2686 			bnx2x_update_pfc_bmac1(params, vars);
2687 
2688 		val = 0;
2689 		if ((params->feature_config_flags &
2690 		     FEATURE_CONFIG_PFC_ENABLED) ||
2691 		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2692 			val = 1;
2693 		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2694 	}
2695 	return bnx2x_status;
2696 }
2697 
2698 
2699 static int bnx2x_bmac1_enable(struct link_params *params,
2700 			      struct link_vars *vars,
2701 			      u8 is_lb)
2702 {
2703 	struct bnx2x *bp = params->bp;
2704 	u8 port = params->port;
2705 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2706 			       NIG_REG_INGRESS_BMAC0_MEM;
2707 	u32 wb_data[2];
2708 	u32 val;
2709 
2710 	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2711 
2712 	/* XGXS control */
2713 	wb_data[0] = 0x3c;
2714 	wb_data[1] = 0;
2715 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2716 		    wb_data, 2);
2717 
2718 	/* TX MAC SA */
2719 	wb_data[0] = ((params->mac_addr[2] << 24) |
2720 		       (params->mac_addr[3] << 16) |
2721 		       (params->mac_addr[4] << 8) |
2722 			params->mac_addr[5]);
2723 	wb_data[1] = ((params->mac_addr[0] << 8) |
2724 			params->mac_addr[1]);
2725 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2726 
2727 	/* MAC control */
2728 	val = 0x3;
2729 	if (is_lb) {
2730 		val |= 0x4;
2731 		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2732 	}
2733 	wb_data[0] = val;
2734 	wb_data[1] = 0;
2735 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2736 
2737 	/* Set rx mtu */
2738 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2739 	wb_data[1] = 0;
2740 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2741 
2742 	bnx2x_update_pfc_bmac1(params, vars);
2743 
2744 	/* Set tx mtu */
2745 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2746 	wb_data[1] = 0;
2747 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2748 
2749 	/* Set cnt max size */
2750 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2751 	wb_data[1] = 0;
2752 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2753 
2754 	/* Configure SAFC */
2755 	wb_data[0] = 0x1000200;
2756 	wb_data[1] = 0;
2757 	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2758 		    wb_data, 2);
2759 
2760 	return 0;
2761 }
2762 
2763 static int bnx2x_bmac2_enable(struct link_params *params,
2764 			      struct link_vars *vars,
2765 			      u8 is_lb)
2766 {
2767 	struct bnx2x *bp = params->bp;
2768 	u8 port = params->port;
2769 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2770 			       NIG_REG_INGRESS_BMAC0_MEM;
2771 	u32 wb_data[2];
2772 
2773 	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2774 
2775 	wb_data[0] = 0;
2776 	wb_data[1] = 0;
2777 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2778 	udelay(30);
2779 
2780 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2781 	wb_data[0] = 0x3c;
2782 	wb_data[1] = 0;
2783 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2784 		    wb_data, 2);
2785 
2786 	udelay(30);
2787 
2788 	/* TX MAC SA */
2789 	wb_data[0] = ((params->mac_addr[2] << 24) |
2790 		       (params->mac_addr[3] << 16) |
2791 		       (params->mac_addr[4] << 8) |
2792 			params->mac_addr[5]);
2793 	wb_data[1] = ((params->mac_addr[0] << 8) |
2794 			params->mac_addr[1]);
2795 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2796 		    wb_data, 2);
2797 
2798 	udelay(30);
2799 
2800 	/* Configure SAFC */
2801 	wb_data[0] = 0x1000200;
2802 	wb_data[1] = 0;
2803 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2804 		    wb_data, 2);
2805 	udelay(30);
2806 
2807 	/* Set RX MTU */
2808 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2809 	wb_data[1] = 0;
2810 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2811 	udelay(30);
2812 
2813 	/* Set TX MTU */
2814 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2815 	wb_data[1] = 0;
2816 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2817 	udelay(30);
2818 	/* Set cnt max size */
2819 	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2820 	wb_data[1] = 0;
2821 	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2822 	udelay(30);
2823 	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2824 
2825 	return 0;
2826 }
2827 
2828 static int bnx2x_bmac_enable(struct link_params *params,
2829 			     struct link_vars *vars,
2830 			     u8 is_lb)
2831 {
2832 	int rc = 0;
2833 	u8 port = params->port;
2834 	struct bnx2x *bp = params->bp;
2835 	u32 val;
2836 	/* Reset and unreset the BigMac */
2837 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2838 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2839 	usleep_range(1000, 2000);
2840 
2841 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2842 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2843 
2844 	/* Enable access for bmac registers */
2845 	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2846 
2847 	/* Enable BMAC according to BMAC type*/
2848 	if (CHIP_IS_E2(bp))
2849 		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2850 	else
2851 		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2852 	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2853 	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2854 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2855 	val = 0;
2856 	if ((params->feature_config_flags &
2857 	      FEATURE_CONFIG_PFC_ENABLED) ||
2858 	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2859 		val = 1;
2860 	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2861 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2862 	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2863 	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2864 	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2865 	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2866 
2867 	vars->mac_type = MAC_TYPE_BMAC;
2868 	return rc;
2869 }
2870 
2871 static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
2872 {
2873 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2874 			NIG_REG_INGRESS_BMAC0_MEM;
2875 	u32 wb_data[2];
2876 	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2877 
2878 	/* Only if the bmac is out of reset */
2879 	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2880 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2881 	    nig_bmac_enable) {
2882 
2883 		if (CHIP_IS_E2(bp)) {
2884 			/* Clear Rx Enable bit in BMAC_CONTROL register */
2885 			REG_RD_DMAE(bp, bmac_addr +
2886 				    BIGMAC2_REGISTER_BMAC_CONTROL,
2887 				    wb_data, 2);
2888 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2889 			REG_WR_DMAE(bp, bmac_addr +
2890 				    BIGMAC2_REGISTER_BMAC_CONTROL,
2891 				    wb_data, 2);
2892 		} else {
2893 			/* Clear Rx Enable bit in BMAC_CONTROL register */
2894 			REG_RD_DMAE(bp, bmac_addr +
2895 					BIGMAC_REGISTER_BMAC_CONTROL,
2896 					wb_data, 2);
2897 			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2898 			REG_WR_DMAE(bp, bmac_addr +
2899 					BIGMAC_REGISTER_BMAC_CONTROL,
2900 					wb_data, 2);
2901 		}
2902 		usleep_range(1000, 2000);
2903 	}
2904 }
2905 
2906 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2907 			    u32 line_speed)
2908 {
2909 	struct bnx2x *bp = params->bp;
2910 	u8 port = params->port;
2911 	u32 init_crd, crd;
2912 	u32 count = 1000;
2913 
2914 	/* Disable port */
2915 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2916 
2917 	/* Wait for init credit */
2918 	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2919 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2920 	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2921 
2922 	while ((init_crd != crd) && count) {
2923 		usleep_range(5000, 10000);
2924 		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2925 		count--;
2926 	}
2927 	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2928 	if (init_crd != crd) {
2929 		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2930 			  init_crd, crd);
2931 		return -EINVAL;
2932 	}
2933 
2934 	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2935 	    line_speed == SPEED_10 ||
2936 	    line_speed == SPEED_100 ||
2937 	    line_speed == SPEED_1000 ||
2938 	    line_speed == SPEED_2500) {
2939 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2940 		/* Update threshold */
2941 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2942 		/* Update init credit */
2943 		init_crd = 778;		/* (800-18-4) */
2944 
2945 	} else {
2946 		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2947 			      ETH_OVREHEAD)/16;
2948 		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2949 		/* Update threshold */
2950 		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2951 		/* Update init credit */
2952 		switch (line_speed) {
2953 		case SPEED_10000:
2954 			init_crd = thresh + 553 - 22;
2955 			break;
2956 		default:
2957 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2958 				  line_speed);
2959 			return -EINVAL;
2960 		}
2961 	}
2962 	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2963 	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2964 		 line_speed, init_crd);
2965 
2966 	/* Probe the credit changes */
2967 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2968 	usleep_range(5000, 10000);
2969 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2970 
2971 	/* Enable port */
2972 	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2973 	return 0;
2974 }
2975 
2976 /**
2977  * bnx2x_get_emac_base - retrive emac base address
2978  *
2979  * @bp:			driver handle
2980  * @mdc_mdio_access:	access type
2981  * @port:		port id
2982  *
2983  * This function selects the MDC/MDIO access (through emac0 or
2984  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2985  * phy has a default access mode, which could also be overridden
2986  * by nvram configuration. This parameter, whether this is the
2987  * default phy configuration, or the nvram overrun
2988  * configuration, is passed here as mdc_mdio_access and selects
2989  * the emac_base for the CL45 read/writes operations
2990  */
2991 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2992 			       u32 mdc_mdio_access, u8 port)
2993 {
2994 	u32 emac_base = 0;
2995 	switch (mdc_mdio_access) {
2996 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2997 		break;
2998 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2999 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
3000 			emac_base = GRCBASE_EMAC1;
3001 		else
3002 			emac_base = GRCBASE_EMAC0;
3003 		break;
3004 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
3005 		if (REG_RD(bp, NIG_REG_PORT_SWAP))
3006 			emac_base = GRCBASE_EMAC0;
3007 		else
3008 			emac_base = GRCBASE_EMAC1;
3009 		break;
3010 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
3011 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3012 		break;
3013 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
3014 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
3015 		break;
3016 	default:
3017 		break;
3018 	}
3019 	return emac_base;
3020 
3021 }
3022 
3023 /******************************************************************/
3024 /*			CL22 access functions			  */
3025 /******************************************************************/
3026 static int bnx2x_cl22_write(struct bnx2x *bp,
3027 				       struct bnx2x_phy *phy,
3028 				       u16 reg, u16 val)
3029 {
3030 	u32 tmp, mode;
3031 	u8 i;
3032 	int rc = 0;
3033 	/* Switch to CL22 */
3034 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3035 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3036 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3037 
3038 	/* Address */
3039 	tmp = ((phy->addr << 21) | (reg << 16) | val |
3040 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
3041 	       EMAC_MDIO_COMM_START_BUSY);
3042 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3043 
3044 	for (i = 0; i < 50; i++) {
3045 		udelay(10);
3046 
3047 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3048 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3049 			udelay(5);
3050 			break;
3051 		}
3052 	}
3053 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3054 		DP(NETIF_MSG_LINK, "write phy register failed\n");
3055 		rc = -EFAULT;
3056 	}
3057 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3058 	return rc;
3059 }
3060 
3061 static int bnx2x_cl22_read(struct bnx2x *bp,
3062 				      struct bnx2x_phy *phy,
3063 				      u16 reg, u16 *ret_val)
3064 {
3065 	u32 val, mode;
3066 	u16 i;
3067 	int rc = 0;
3068 
3069 	/* Switch to CL22 */
3070 	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3071 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3072 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3073 
3074 	/* Address */
3075 	val = ((phy->addr << 21) | (reg << 16) |
3076 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
3077 	       EMAC_MDIO_COMM_START_BUSY);
3078 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3079 
3080 	for (i = 0; i < 50; i++) {
3081 		udelay(10);
3082 
3083 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3084 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3085 			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3086 			udelay(5);
3087 			break;
3088 		}
3089 	}
3090 	if (val & EMAC_MDIO_COMM_START_BUSY) {
3091 		DP(NETIF_MSG_LINK, "read phy register failed\n");
3092 
3093 		*ret_val = 0;
3094 		rc = -EFAULT;
3095 	}
3096 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3097 	return rc;
3098 }
3099 
3100 /******************************************************************/
3101 /*			CL45 access functions			  */
3102 /******************************************************************/
3103 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
3104 			   u8 devad, u16 reg, u16 *ret_val)
3105 {
3106 	u32 val;
3107 	u16 i;
3108 	int rc = 0;
3109 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3110 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3111 			      EMAC_MDIO_STATUS_10MB);
3112 	/* Address */
3113 	val = ((phy->addr << 21) | (devad << 16) | reg |
3114 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3115 	       EMAC_MDIO_COMM_START_BUSY);
3116 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3117 
3118 	for (i = 0; i < 50; i++) {
3119 		udelay(10);
3120 
3121 		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3122 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3123 			udelay(5);
3124 			break;
3125 		}
3126 	}
3127 	if (val & EMAC_MDIO_COMM_START_BUSY) {
3128 		DP(NETIF_MSG_LINK, "read phy register failed\n");
3129 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3130 		*ret_val = 0;
3131 		rc = -EFAULT;
3132 	} else {
3133 		/* Data */
3134 		val = ((phy->addr << 21) | (devad << 16) |
3135 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
3136 		       EMAC_MDIO_COMM_START_BUSY);
3137 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3138 
3139 		for (i = 0; i < 50; i++) {
3140 			udelay(10);
3141 
3142 			val = REG_RD(bp, phy->mdio_ctrl +
3143 				     EMAC_REG_EMAC_MDIO_COMM);
3144 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3145 				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
3146 				break;
3147 			}
3148 		}
3149 		if (val & EMAC_MDIO_COMM_START_BUSY) {
3150 			DP(NETIF_MSG_LINK, "read phy register failed\n");
3151 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3152 			*ret_val = 0;
3153 			rc = -EFAULT;
3154 		}
3155 	}
3156 	/* Work around for E3 A0 */
3157 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
3158 		phy->flags ^= FLAGS_DUMMY_READ;
3159 		if (phy->flags & FLAGS_DUMMY_READ) {
3160 			u16 temp_val;
3161 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3162 		}
3163 	}
3164 
3165 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3166 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3167 			       EMAC_MDIO_STATUS_10MB);
3168 	return rc;
3169 }
3170 
3171 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3172 			    u8 devad, u16 reg, u16 val)
3173 {
3174 	u32 tmp;
3175 	u8 i;
3176 	int rc = 0;
3177 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3178 		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3179 			      EMAC_MDIO_STATUS_10MB);
3180 
3181 	/* Address */
3182 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
3183 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3184 	       EMAC_MDIO_COMM_START_BUSY);
3185 	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3186 
3187 	for (i = 0; i < 50; i++) {
3188 		udelay(10);
3189 
3190 		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3191 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3192 			udelay(5);
3193 			break;
3194 		}
3195 	}
3196 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3197 		DP(NETIF_MSG_LINK, "write phy register failed\n");
3198 		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3199 		rc = -EFAULT;
3200 	} else {
3201 		/* Data */
3202 		tmp = ((phy->addr << 21) | (devad << 16) | val |
3203 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3204 		       EMAC_MDIO_COMM_START_BUSY);
3205 		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3206 
3207 		for (i = 0; i < 50; i++) {
3208 			udelay(10);
3209 
3210 			tmp = REG_RD(bp, phy->mdio_ctrl +
3211 				     EMAC_REG_EMAC_MDIO_COMM);
3212 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3213 				udelay(5);
3214 				break;
3215 			}
3216 		}
3217 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3218 			DP(NETIF_MSG_LINK, "write phy register failed\n");
3219 			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
3220 			rc = -EFAULT;
3221 		}
3222 	}
3223 	/* Work around for E3 A0 */
3224 	if (phy->flags & FLAGS_MDC_MDIO_WA) {
3225 		phy->flags ^= FLAGS_DUMMY_READ;
3226 		if (phy->flags & FLAGS_DUMMY_READ) {
3227 			u16 temp_val;
3228 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
3229 		}
3230 	}
3231 	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
3232 		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3233 			       EMAC_MDIO_STATUS_10MB);
3234 	return rc;
3235 }
3236 /******************************************************************/
3237 /*			BSC access functions from E3	          */
3238 /******************************************************************/
3239 static void bnx2x_bsc_module_sel(struct link_params *params)
3240 {
3241 	int idx;
3242 	u32 board_cfg, sfp_ctrl;
3243 	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3244 	struct bnx2x *bp = params->bp;
3245 	u8 port = params->port;
3246 	/* Read I2C output PINs */
3247 	board_cfg = REG_RD(bp, params->shmem_base +
3248 			   offsetof(struct shmem_region,
3249 				    dev_info.shared_hw_config.board));
3250 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3251 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3252 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3253 
3254 	/* Read I2C output value */
3255 	sfp_ctrl = REG_RD(bp, params->shmem_base +
3256 			  offsetof(struct shmem_region,
3257 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3258 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3259 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3260 	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3261 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3262 		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3263 }
3264 
3265 static int bnx2x_bsc_read(struct link_params *params,
3266 			  struct bnx2x_phy *phy,
3267 			  u8 sl_devid,
3268 			  u16 sl_addr,
3269 			  u8 lc_addr,
3270 			  u8 xfer_cnt,
3271 			  u32 *data_array)
3272 {
3273 	u32 val, i;
3274 	int rc = 0;
3275 	struct bnx2x *bp = params->bp;
3276 
3277 	if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
3278 		DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
3279 		return -EINVAL;
3280 	}
3281 
3282 	if (xfer_cnt > 16) {
3283 		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3284 					xfer_cnt);
3285 		return -EINVAL;
3286 	}
3287 	bnx2x_bsc_module_sel(params);
3288 
3289 	xfer_cnt = 16 - lc_addr;
3290 
3291 	/* Enable the engine */
3292 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3293 	val |= MCPR_IMC_COMMAND_ENABLE;
3294 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3295 
3296 	/* Program slave device ID */
3297 	val = (sl_devid << 16) | sl_addr;
3298 	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3299 
3300 	/* Start xfer with 0 byte to update the address pointer ???*/
3301 	val = (MCPR_IMC_COMMAND_ENABLE) |
3302 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3303 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3304 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3305 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3306 
3307 	/* Poll for completion */
3308 	i = 0;
3309 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3310 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3311 		udelay(10);
3312 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3313 		if (i++ > 1000) {
3314 			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3315 								i);
3316 			rc = -EFAULT;
3317 			break;
3318 		}
3319 	}
3320 	if (rc == -EFAULT)
3321 		return rc;
3322 
3323 	/* Start xfer with read op */
3324 	val = (MCPR_IMC_COMMAND_ENABLE) |
3325 		(MCPR_IMC_COMMAND_READ_OP <<
3326 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3327 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3328 		  (xfer_cnt);
3329 	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3330 
3331 	/* Poll for completion */
3332 	i = 0;
3333 	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3334 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3335 		udelay(10);
3336 		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3337 		if (i++ > 1000) {
3338 			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3339 			rc = -EFAULT;
3340 			break;
3341 		}
3342 	}
3343 	if (rc == -EFAULT)
3344 		return rc;
3345 
3346 	for (i = (lc_addr >> 2); i < 4; i++) {
3347 		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3348 #ifdef __BIG_ENDIAN
3349 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3350 				((data_array[i] & 0x0000ff00) << 8) |
3351 				((data_array[i] & 0x00ff0000) >> 8) |
3352 				((data_array[i] & 0xff000000) >> 24);
3353 #endif
3354 	}
3355 	return rc;
3356 }
3357 
3358 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3359 				     u8 devad, u16 reg, u16 or_val)
3360 {
3361 	u16 val;
3362 	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3363 	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3364 }
3365 
3366 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3367 		   u8 devad, u16 reg, u16 *ret_val)
3368 {
3369 	u8 phy_index;
3370 	/* Probe for the phy according to the given phy_addr, and execute
3371 	 * the read request on it
3372 	 */
3373 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3374 		if (params->phy[phy_index].addr == phy_addr) {
3375 			return bnx2x_cl45_read(params->bp,
3376 					       &params->phy[phy_index], devad,
3377 					       reg, ret_val);
3378 		}
3379 	}
3380 	return -EINVAL;
3381 }
3382 
3383 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3384 		    u8 devad, u16 reg, u16 val)
3385 {
3386 	u8 phy_index;
3387 	/* Probe for the phy according to the given phy_addr, and execute
3388 	 * the write request on it
3389 	 */
3390 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3391 		if (params->phy[phy_index].addr == phy_addr) {
3392 			return bnx2x_cl45_write(params->bp,
3393 						&params->phy[phy_index], devad,
3394 						reg, val);
3395 		}
3396 	}
3397 	return -EINVAL;
3398 }
3399 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3400 				  struct link_params *params)
3401 {
3402 	u8 lane = 0;
3403 	struct bnx2x *bp = params->bp;
3404 	u32 path_swap, path_swap_ovr;
3405 	u8 path, port;
3406 
3407 	path = BP_PATH(bp);
3408 	port = params->port;
3409 
3410 	if (bnx2x_is_4_port_mode(bp)) {
3411 		u32 port_swap, port_swap_ovr;
3412 
3413 		/* Figure out path swap value */
3414 		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3415 		if (path_swap_ovr & 0x1)
3416 			path_swap = (path_swap_ovr & 0x2);
3417 		else
3418 			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3419 
3420 		if (path_swap)
3421 			path = path ^ 1;
3422 
3423 		/* Figure out port swap value */
3424 		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3425 		if (port_swap_ovr & 0x1)
3426 			port_swap = (port_swap_ovr & 0x2);
3427 		else
3428 			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3429 
3430 		if (port_swap)
3431 			port = port ^ 1;
3432 
3433 		lane = (port<<1) + path;
3434 	} else { /* Two port mode - no port swap */
3435 
3436 		/* Figure out path swap value */
3437 		path_swap_ovr =
3438 			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3439 		if (path_swap_ovr & 0x1) {
3440 			path_swap = (path_swap_ovr & 0x2);
3441 		} else {
3442 			path_swap =
3443 				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3444 		}
3445 		if (path_swap)
3446 			path = path ^ 1;
3447 
3448 		lane = path << 1 ;
3449 	}
3450 	return lane;
3451 }
3452 
3453 static void bnx2x_set_aer_mmd(struct link_params *params,
3454 			      struct bnx2x_phy *phy)
3455 {
3456 	u32 ser_lane;
3457 	u16 offset, aer_val;
3458 	struct bnx2x *bp = params->bp;
3459 	ser_lane = ((params->lane_config &
3460 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3461 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3462 
3463 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3464 		(phy->addr + ser_lane) : 0;
3465 
3466 	if (USES_WARPCORE(bp)) {
3467 		aer_val = bnx2x_get_warpcore_lane(phy, params);
3468 		/* In Dual-lane mode, two lanes are joined together,
3469 		 * so in order to configure them, the AER broadcast method is
3470 		 * used here.
3471 		 * 0x200 is the broadcast address for lanes 0,1
3472 		 * 0x201 is the broadcast address for lanes 2,3
3473 		 */
3474 		if (phy->flags & FLAGS_WC_DUAL_MODE)
3475 			aer_val = (aer_val >> 1) | 0x200;
3476 	} else if (CHIP_IS_E2(bp))
3477 		aer_val = 0x3800 + offset - 1;
3478 	else
3479 		aer_val = 0x3800 + offset;
3480 
3481 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3482 			  MDIO_AER_BLOCK_AER_REG, aer_val);
3483 
3484 }
3485 
3486 /******************************************************************/
3487 /*			Internal phy section			  */
3488 /******************************************************************/
3489 
3490 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3491 {
3492 	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3493 
3494 	/* Set Clause 22 */
3495 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3496 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3497 	udelay(500);
3498 	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3499 	udelay(500);
3500 	 /* Set Clause 45 */
3501 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3502 }
3503 
3504 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3505 {
3506 	u32 val;
3507 
3508 	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3509 
3510 	val = SERDES_RESET_BITS << (port*16);
3511 
3512 	/* Reset and unreset the SerDes/XGXS */
3513 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3514 	udelay(500);
3515 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3516 
3517 	bnx2x_set_serdes_access(bp, port);
3518 
3519 	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3520 	       DEFAULT_PHY_DEV_ADDR);
3521 }
3522 
3523 static void bnx2x_xgxs_deassert(struct link_params *params)
3524 {
3525 	struct bnx2x *bp = params->bp;
3526 	u8 port;
3527 	u32 val;
3528 	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3529 	port = params->port;
3530 
3531 	val = XGXS_RESET_BITS << (port*16);
3532 
3533 	/* Reset and unreset the SerDes/XGXS */
3534 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3535 	udelay(500);
3536 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3537 
3538 	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
3539 	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
3540 	       params->phy[INT_PHY].def_md_devad);
3541 }
3542 
3543 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3544 				     struct link_params *params, u16 *ieee_fc)
3545 {
3546 	struct bnx2x *bp = params->bp;
3547 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3548 	/* Resolve pause mode and advertisement Please refer to Table
3549 	 * 28B-3 of the 802.3ab-1999 spec
3550 	 */
3551 
3552 	switch (phy->req_flow_ctrl) {
3553 	case BNX2X_FLOW_CTRL_AUTO:
3554 		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
3555 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3556 		else
3557 			*ieee_fc |=
3558 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3559 		break;
3560 
3561 	case BNX2X_FLOW_CTRL_TX:
3562 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3563 		break;
3564 
3565 	case BNX2X_FLOW_CTRL_RX:
3566 	case BNX2X_FLOW_CTRL_BOTH:
3567 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3568 		break;
3569 
3570 	case BNX2X_FLOW_CTRL_NONE:
3571 	default:
3572 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3573 		break;
3574 	}
3575 	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3576 }
3577 
3578 static void set_phy_vars(struct link_params *params,
3579 			 struct link_vars *vars)
3580 {
3581 	struct bnx2x *bp = params->bp;
3582 	u8 actual_phy_idx, phy_index, link_cfg_idx;
3583 	u8 phy_config_swapped = params->multi_phy_config &
3584 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3585 	for (phy_index = INT_PHY; phy_index < params->num_phys;
3586 	      phy_index++) {
3587 		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3588 		actual_phy_idx = phy_index;
3589 		if (phy_config_swapped) {
3590 			if (phy_index == EXT_PHY1)
3591 				actual_phy_idx = EXT_PHY2;
3592 			else if (phy_index == EXT_PHY2)
3593 				actual_phy_idx = EXT_PHY1;
3594 		}
3595 		params->phy[actual_phy_idx].req_flow_ctrl =
3596 			params->req_flow_ctrl[link_cfg_idx];
3597 
3598 		params->phy[actual_phy_idx].req_line_speed =
3599 			params->req_line_speed[link_cfg_idx];
3600 
3601 		params->phy[actual_phy_idx].speed_cap_mask =
3602 			params->speed_cap_mask[link_cfg_idx];
3603 
3604 		params->phy[actual_phy_idx].req_duplex =
3605 			params->req_duplex[link_cfg_idx];
3606 
3607 		if (params->req_line_speed[link_cfg_idx] ==
3608 		    SPEED_AUTO_NEG)
3609 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3610 
3611 		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3612 			   " speed_cap_mask %x\n",
3613 			   params->phy[actual_phy_idx].req_flow_ctrl,
3614 			   params->phy[actual_phy_idx].req_line_speed,
3615 			   params->phy[actual_phy_idx].speed_cap_mask);
3616 	}
3617 }
3618 
3619 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3620 				    struct bnx2x_phy *phy,
3621 				    struct link_vars *vars)
3622 {
3623 	u16 val;
3624 	struct bnx2x *bp = params->bp;
3625 	/* Read modify write pause advertizing */
3626 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3627 
3628 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3629 
3630 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3631 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3632 	if ((vars->ieee_fc &
3633 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3634 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3635 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3636 	}
3637 	if ((vars->ieee_fc &
3638 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3639 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3640 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3641 	}
3642 	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3643 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3644 }
3645 
3646 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3647 {						/*  LD	    LP	 */
3648 	switch (pause_result) {			/* ASYM P ASYM P */
3649 	case 0xb:				/*   1  0   1  1 */
3650 		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3651 		break;
3652 
3653 	case 0xe:				/*   1  1   1  0 */
3654 		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3655 		break;
3656 
3657 	case 0x5:				/*   0  1   0  1 */
3658 	case 0x7:				/*   0  1   1  1 */
3659 	case 0xd:				/*   1  1   0  1 */
3660 	case 0xf:				/*   1  1   1  1 */
3661 		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3662 		break;
3663 
3664 	default:
3665 		break;
3666 	}
3667 	if (pause_result & (1<<0))
3668 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3669 	if (pause_result & (1<<1))
3670 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3671 
3672 }
3673 
3674 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3675 					struct link_params *params,
3676 					struct link_vars *vars)
3677 {
3678 	u16 ld_pause;		/* local */
3679 	u16 lp_pause;		/* link partner */
3680 	u16 pause_result;
3681 	struct bnx2x *bp = params->bp;
3682 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3683 		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3684 		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3685 	} else if (CHIP_IS_E3(bp) &&
3686 		SINGLE_MEDIA_DIRECT(params)) {
3687 		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3688 		u16 gp_status, gp_mask;
3689 		bnx2x_cl45_read(bp, phy,
3690 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3691 				&gp_status);
3692 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3693 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3694 			lane;
3695 		if ((gp_status & gp_mask) == gp_mask) {
3696 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3697 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3698 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3699 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3700 		} else {
3701 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3702 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3703 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3704 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3705 			ld_pause = ((ld_pause &
3706 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3707 				    << 3);
3708 			lp_pause = ((lp_pause &
3709 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3710 				    << 3);
3711 		}
3712 	} else {
3713 		bnx2x_cl45_read(bp, phy,
3714 				MDIO_AN_DEVAD,
3715 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3716 		bnx2x_cl45_read(bp, phy,
3717 				MDIO_AN_DEVAD,
3718 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3719 	}
3720 	pause_result = (ld_pause &
3721 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3722 	pause_result |= (lp_pause &
3723 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3724 	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3725 	bnx2x_pause_resolve(vars, pause_result);
3726 
3727 }
3728 
3729 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3730 				   struct link_params *params,
3731 				   struct link_vars *vars)
3732 {
3733 	u8 ret = 0;
3734 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3735 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3736 		/* Update the advertised flow-controled of LD/LP in AN */
3737 		if (phy->req_line_speed == SPEED_AUTO_NEG)
3738 			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3739 		/* But set the flow-control result as the requested one */
3740 		vars->flow_ctrl = phy->req_flow_ctrl;
3741 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3742 		vars->flow_ctrl = params->req_fc_auto_adv;
3743 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3744 		ret = 1;
3745 		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3746 	}
3747 	return ret;
3748 }
3749 /******************************************************************/
3750 /*			Warpcore section			  */
3751 /******************************************************************/
3752 /* The init_internal_warpcore should mirror the xgxs,
3753  * i.e. reset the lane (if needed), set aer for the
3754  * init configuration, and set/clear SGMII flag. Internal
3755  * phy init is done purely in phy_init stage.
3756  */
3757 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3758 					struct link_params *params,
3759 					struct link_vars *vars) {
3760 	u16 val16 = 0, lane, i;
3761 	struct bnx2x *bp = params->bp;
3762 	static struct bnx2x_reg_set reg_set[] = {
3763 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3764 		{MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
3765 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
3766 		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
3767 		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
3768 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3769 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3770 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3771 		/* Disable Autoneg: re-enable it after adv is done. */
3772 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
3773 	};
3774 	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3775 	/* Set to default registers that may be overriden by 10G force */
3776 	for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3777 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3778 				 reg_set[i].val);
3779 
3780 	/* Check adding advertisement for 1G KX */
3781 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3782 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3783 	    (vars->line_speed == SPEED_1000)) {
3784 		u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3785 		val16 |= (1<<5);
3786 
3787 		/* Enable CL37 1G Parallel Detect */
3788 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3789 		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3790 	}
3791 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3792 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3793 	    (vars->line_speed ==  SPEED_10000)) {
3794 		/* Check adding advertisement for 10G KR */
3795 		val16 |= (1<<7);
3796 		/* Enable 10G Parallel Detect */
3797 		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3798 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3799 
3800 		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3801 	}
3802 
3803 	/* Set Transmit PMD settings */
3804 	lane = bnx2x_get_warpcore_lane(phy, params);
3805 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3806 		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3807 		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3808 		      (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3809 		      (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
3810 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3811 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3812 			 0x03f0);
3813 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3814 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3815 			 0x03f0);
3816 
3817 	/* Advertised speeds */
3818 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3819 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
3820 
3821 	/* Advertised and set FEC (Forward Error Correction) */
3822 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3823 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3824 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3825 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3826 
3827 	/* Enable CL37 BAM */
3828 	if (REG_RD(bp, params->shmem_base +
3829 		   offsetof(struct shmem_region, dev_info.
3830 			    port_hw_config[params->port].default_cfg)) &
3831 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3832 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3833 					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3834 					 1);
3835 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3836 	}
3837 
3838 	/* Advertise pause */
3839 	bnx2x_ext_phy_set_pause(params, phy, vars);
3840 	/* Set KR Autoneg Work-Around flag for Warpcore version older than D108
3841 	 */
3842 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3843 			MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
3844 	if (val16 < 0xd108) {
3845 		DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
3846 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3847 	}
3848 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3849 				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3850 
3851 	/* Over 1G - AN local device user page 1 */
3852 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3853 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3854 
3855 	/* Enable Autoneg */
3856 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3857 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3858 
3859 }
3860 
3861 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3862 				      struct link_params *params,
3863 				      struct link_vars *vars)
3864 {
3865 	struct bnx2x *bp = params->bp;
3866 	u16 i;
3867 	static struct bnx2x_reg_set reg_set[] = {
3868 		/* Disable Autoneg */
3869 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3870 		{MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
3871 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3872 			0x3f00},
3873 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3874 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3875 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3876 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3877 		/* Disable CL36 PCS Tx */
3878 		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
3879 		/* Double Wide Single Data Rate @ pll rate */
3880 		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
3881 		/* Leave cl72 training enable, needed for KR */
3882 		{MDIO_PMA_DEVAD,
3883 		MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3884 		0x2}
3885 	};
3886 
3887 	for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
3888 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3889 				 reg_set[i].val);
3890 
3891 	/* Leave CL72 enabled */
3892 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3893 				 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3894 				 0x3800);
3895 
3896 	/* Set speed via PMA/PMD register */
3897 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3898 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3899 
3900 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3901 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3902 
3903 	/* Enable encoded forced speed */
3904 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3905 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3906 
3907 	/* Turn TX scramble payload only the 64/66 scrambler */
3908 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3909 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3910 
3911 	/* Turn RX scramble payload only the 64/66 scrambler */
3912 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3913 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3914 
3915 	/* Set and clear loopback to cause a reset to 64/66 decoder */
3916 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3917 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3918 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3919 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3920 
3921 }
3922 
3923 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3924 				       struct link_params *params,
3925 				       u8 is_xfi)
3926 {
3927 	struct bnx2x *bp = params->bp;
3928 	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3929 	/* Hold rxSeqStart */
3930 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3931 				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3932 
3933 	/* Hold tx_fifo_reset */
3934 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3935 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3936 
3937 	/* Disable CL73 AN */
3938 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3939 
3940 	/* Disable 100FX Enable and Auto-Detect */
3941 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3942 			MDIO_WC_REG_FX100_CTRL1, &val);
3943 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3944 			 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
3945 
3946 	/* Disable 100FX Idle detect */
3947 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3948 				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3949 
3950 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3951 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3952 			MDIO_WC_REG_DIGITAL4_MISC3, &val);
3953 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3954 			 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
3955 
3956 	/* Turn off auto-detect & fiber mode */
3957 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3958 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
3959 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3960 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3961 			 (val & 0xFFEE));
3962 
3963 	/* Set filter_force_link, disable_false_link and parallel_detect */
3964 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3965 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3966 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3967 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3968 			 ((val | 0x0006) & 0xFFFE));
3969 
3970 	/* Set XFI / SFI */
3971 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3972 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3973 
3974 	misc1_val &= ~(0x1f);
3975 
3976 	if (is_xfi) {
3977 		misc1_val |= 0x5;
3978 		tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3979 			   (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3980 			   (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3981 		tx_driver_val =
3982 		      ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3983 		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3984 		       (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3985 
3986 	} else {
3987 		misc1_val |= 0x9;
3988 		tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
3989 			   (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
3990 			   (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3991 		tx_driver_val =
3992 		      ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3993 		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3994 		       (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3995 	}
3996 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3997 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
3998 
3999 	/* Set Transmit PMD settings */
4000 	lane = bnx2x_get_warpcore_lane(phy, params);
4001 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4002 			 MDIO_WC_REG_TX_FIR_TAP,
4003 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4004 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4005 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4006 			 tx_driver_val);
4007 
4008 	/* Enable fiber mode, enable and invert sig_det */
4009 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4010 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4011 
4012 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4013 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4014 				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4015 
4016 	/* Enable LPI pass through */
4017 	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
4018 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4019 			 MDIO_WC_REG_EEE_COMBO_CONTROL0,
4020 			 0x7c);
4021 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4022 				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
4023 
4024 	/* 10G XFI Full Duplex */
4025 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4026 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4027 
4028 	/* Release tx_fifo_reset */
4029 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4030 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
4031 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
4033 
4034 	/* Release rxSeqStart */
4035 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4036 			MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
4037 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4038 			 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
4039 }
4040 
4041 static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
4042 				       struct bnx2x_phy *phy)
4043 {
4044 	DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
4045 }
4046 
4047 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4048 					 struct bnx2x_phy *phy,
4049 					 u16 lane)
4050 {
4051 	/* Rx0 anaRxControl1G */
4052 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4053 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4054 
4055 	/* Rx2 anaRxControl1G */
4056 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4057 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4058 
4059 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4060 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4061 
4062 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4063 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4064 
4065 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4066 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4067 
4068 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4069 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4070 
4071 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4072 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4073 
4074 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4075 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4076 
4077 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4078 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4079 
4080 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4081 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4082 
4083 	/* Serdes Digital Misc1 */
4084 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4085 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4086 
4087 	/* Serdes Digital4 Misc3 */
4088 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4089 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4090 
4091 	/* Set Transmit PMD settings */
4092 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4093 			 MDIO_WC_REG_TX_FIR_TAP,
4094 			((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
4095 			 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
4096 			 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
4097 			 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4098 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4099 		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4100 		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
4101 		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
4102 		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
4103 }
4104 
4105 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4106 					   struct link_params *params,
4107 					   u8 fiber_mode,
4108 					   u8 always_autoneg)
4109 {
4110 	struct bnx2x *bp = params->bp;
4111 	u16 val16, digctrl_kx1, digctrl_kx2;
4112 
4113 	/* Clear XFI clock comp in non-10G single lane mode. */
4114 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4115 			MDIO_WC_REG_RX66_CONTROL, &val16);
4116 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4117 			 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
4118 
4119 	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4120 		/* SGMII Autoneg */
4121 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4122 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4123 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124 				 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4125 				 val16 | 0x1000);
4126 		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4127 	} else {
4128 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4129 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4130 		val16 &= 0xcebf;
4131 		switch (phy->req_line_speed) {
4132 		case SPEED_10:
4133 			break;
4134 		case SPEED_100:
4135 			val16 |= 0x2000;
4136 			break;
4137 		case SPEED_1000:
4138 			val16 |= 0x0040;
4139 			break;
4140 		default:
4141 			DP(NETIF_MSG_LINK,
4142 			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4143 			return;
4144 		}
4145 
4146 		if (phy->req_duplex == DUPLEX_FULL)
4147 			val16 |= 0x0100;
4148 
4149 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4150 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4151 
4152 		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4153 			       phy->req_line_speed);
4154 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4155 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4156 		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4157 	}
4158 
4159 	/* SGMII Slave mode and disable signal detect */
4160 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4161 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4162 	if (fiber_mode)
4163 		digctrl_kx1 = 1;
4164 	else
4165 		digctrl_kx1 &= 0xff4a;
4166 
4167 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4168 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4169 			digctrl_kx1);
4170 
4171 	/* Turn off parallel detect */
4172 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4173 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4174 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4175 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4176 			(digctrl_kx2 & ~(1<<2)));
4177 
4178 	/* Re-enable parallel detect */
4179 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4180 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4181 			(digctrl_kx2 | (1<<2)));
4182 
4183 	/* Enable autodet */
4184 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4185 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4186 			(digctrl_kx1 | 0x10));
4187 }
4188 
4189 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4190 				      struct bnx2x_phy *phy,
4191 				      u8 reset)
4192 {
4193 	u16 val;
4194 	/* Take lane out of reset after configuration is finished */
4195 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4196 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4197 	if (reset)
4198 		val |= 0xC000;
4199 	else
4200 		val &= 0x3FFF;
4201 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4202 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4203 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4204 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4205 }
4206 /* Clear SFI/XFI link settings registers */
4207 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4208 				      struct link_params *params,
4209 				      u16 lane)
4210 {
4211 	struct bnx2x *bp = params->bp;
4212 	u16 i;
4213 	static struct bnx2x_reg_set wc_regs[] = {
4214 		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4215 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4216 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4217 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4218 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4219 			0x0195},
4220 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4221 			0x0007},
4222 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4223 			0x0002},
4224 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4225 		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4226 		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4227 		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4228 	};
4229 	/* Set XFI clock comp as default. */
4230 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4231 				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4232 
4233 	for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
4234 		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4235 				 wc_regs[i].val);
4236 
4237 	lane = bnx2x_get_warpcore_lane(phy, params);
4238 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4239 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4240 
4241 }
4242 
4243 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4244 						u32 chip_id,
4245 						u32 shmem_base, u8 port,
4246 						u8 *gpio_num, u8 *gpio_port)
4247 {
4248 	u32 cfg_pin;
4249 	*gpio_num = 0;
4250 	*gpio_port = 0;
4251 	if (CHIP_IS_E3(bp)) {
4252 		cfg_pin = (REG_RD(bp, shmem_base +
4253 				offsetof(struct shmem_region,
4254 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4255 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4256 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4257 
4258 		/* Should not happen. This function called upon interrupt
4259 		 * triggered by GPIO ( since EPIO can only generate interrupts
4260 		 * to MCP).
4261 		 * So if this function was called and none of the GPIOs was set,
4262 		 * it means the shit hit the fan.
4263 		 */
4264 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4265 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4266 			DP(NETIF_MSG_LINK,
4267 			   "ERROR: Invalid cfg pin %x for module detect indication\n",
4268 			   cfg_pin);
4269 			return -EINVAL;
4270 		}
4271 
4272 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4273 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4274 	} else {
4275 		*gpio_num = MISC_REGISTERS_GPIO_3;
4276 		*gpio_port = port;
4277 	}
4278 	DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
4279 	return 0;
4280 }
4281 
4282 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4283 				       struct link_params *params)
4284 {
4285 	struct bnx2x *bp = params->bp;
4286 	u8 gpio_num, gpio_port;
4287 	u32 gpio_val;
4288 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4289 				      params->shmem_base, params->port,
4290 				      &gpio_num, &gpio_port) != 0)
4291 		return 0;
4292 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4293 
4294 	/* Call the handling function in case module is detected */
4295 	if (gpio_val == 0)
4296 		return 1;
4297 	else
4298 		return 0;
4299 }
4300 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4301 					struct link_params *params)
4302 {
4303 	u16 gp2_status_reg0, lane;
4304 	struct bnx2x *bp = params->bp;
4305 
4306 	lane = bnx2x_get_warpcore_lane(phy, params);
4307 
4308 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4309 				 &gp2_status_reg0);
4310 
4311 	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4312 }
4313 
4314 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4315 				       struct link_params *params,
4316 				       struct link_vars *vars)
4317 {
4318 	struct bnx2x *bp = params->bp;
4319 	u32 serdes_net_if;
4320 	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4321 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4322 
4323 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4324 
4325 	if (!vars->turn_to_run_wc_rt)
4326 		return;
4327 
4328 	/* Return if there is no link partner */
4329 	if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
4330 		DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
4331 		return;
4332 	}
4333 
4334 	if (vars->rx_tx_asic_rst) {
4335 		serdes_net_if = (REG_RD(bp, params->shmem_base +
4336 				offsetof(struct shmem_region, dev_info.
4337 				port_hw_config[params->port].default_cfg)) &
4338 				PORT_HW_CFG_NET_SERDES_IF_MASK);
4339 
4340 		switch (serdes_net_if) {
4341 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4342 			/* Do we get link yet? */
4343 			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4344 								&gp_status1);
4345 			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4346 				/*10G KR*/
4347 			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4348 
4349 			DP(NETIF_MSG_LINK,
4350 				"gp_status1 0x%x\n", gp_status1);
4351 
4352 			if (lnkup_kr || lnkup) {
4353 					vars->rx_tx_asic_rst = 0;
4354 					DP(NETIF_MSG_LINK,
4355 					"link up, rx_tx_asic_rst 0x%x\n",
4356 					vars->rx_tx_asic_rst);
4357 			} else {
4358 				/* Reset the lane to see if link comes up.*/
4359 				bnx2x_warpcore_reset_lane(bp, phy, 1);
4360 				bnx2x_warpcore_reset_lane(bp, phy, 0);
4361 
4362 				/* Restart Autoneg */
4363 				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4364 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4365 
4366 				vars->rx_tx_asic_rst--;
4367 				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4368 				vars->rx_tx_asic_rst);
4369 			}
4370 			break;
4371 
4372 		default:
4373 			break;
4374 		}
4375 
4376 	} /*params->rx_tx_asic_rst*/
4377 
4378 }
4379 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4380 				      struct link_params *params)
4381 {
4382 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4383 	struct bnx2x *bp = params->bp;
4384 	bnx2x_warpcore_clear_regs(phy, params, lane);
4385 	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4386 	     SPEED_10000) &&
4387 	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4388 		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4389 		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4390 	} else {
4391 		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4392 		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4393 	}
4394 }
4395 
4396 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4397 				       struct link_params *params,
4398 				       struct link_vars *vars)
4399 {
4400 	struct bnx2x *bp = params->bp;
4401 	u32 serdes_net_if;
4402 	u8 fiber_mode;
4403 	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4404 	serdes_net_if = (REG_RD(bp, params->shmem_base +
4405 			 offsetof(struct shmem_region, dev_info.
4406 				  port_hw_config[params->port].default_cfg)) &
4407 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4408 	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4409 			   "serdes_net_if = 0x%x\n",
4410 		       vars->line_speed, serdes_net_if);
4411 	bnx2x_set_aer_mmd(params, phy);
4412 
4413 	vars->phy_flags |= PHY_XGXS_FLAG;
4414 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4415 	    (phy->req_line_speed &&
4416 	     ((phy->req_line_speed == SPEED_100) ||
4417 	      (phy->req_line_speed == SPEED_10)))) {
4418 		vars->phy_flags |= PHY_SGMII_FLAG;
4419 		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4420 		bnx2x_warpcore_clear_regs(phy, params, lane);
4421 		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4422 	} else {
4423 		switch (serdes_net_if) {
4424 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4425 			/* Enable KR Auto Neg */
4426 			if (params->loopback_mode != LOOPBACK_EXT)
4427 				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4428 			else {
4429 				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4430 				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4431 			}
4432 			break;
4433 
4434 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4435 			bnx2x_warpcore_clear_regs(phy, params, lane);
4436 			if (vars->line_speed == SPEED_10000) {
4437 				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4438 				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4439 			} else {
4440 				if (SINGLE_MEDIA_DIRECT(params)) {
4441 					DP(NETIF_MSG_LINK, "1G Fiber\n");
4442 					fiber_mode = 1;
4443 				} else {
4444 					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4445 					fiber_mode = 0;
4446 				}
4447 				bnx2x_warpcore_set_sgmii_speed(phy,
4448 								params,
4449 								fiber_mode,
4450 								0);
4451 			}
4452 
4453 			break;
4454 
4455 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4456 			/* Issue Module detection */
4457 			if (bnx2x_is_sfp_module_plugged(phy, params))
4458 				bnx2x_sfp_module_detection(phy, params);
4459 
4460 			bnx2x_warpcore_config_sfi(phy, params);
4461 			break;
4462 
4463 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4464 			if (vars->line_speed != SPEED_20000) {
4465 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4466 				return;
4467 			}
4468 			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4469 			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4470 			/* Issue Module detection */
4471 
4472 			bnx2x_sfp_module_detection(phy, params);
4473 			break;
4474 
4475 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4476 			if (vars->line_speed != SPEED_20000) {
4477 				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4478 				return;
4479 			}
4480 			DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
4481 			bnx2x_warpcore_set_20G_KR2(bp, phy);
4482 			break;
4483 
4484 		default:
4485 			DP(NETIF_MSG_LINK,
4486 			   "Unsupported Serdes Net Interface 0x%x\n",
4487 			   serdes_net_if);
4488 			return;
4489 		}
4490 	}
4491 
4492 	/* Take lane out of reset after configuration is finished */
4493 	bnx2x_warpcore_reset_lane(bp, phy, 0);
4494 	DP(NETIF_MSG_LINK, "Exit config init\n");
4495 }
4496 
4497 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4498 					 struct bnx2x_phy *phy,
4499 					 u8 tx_en)
4500 {
4501 	struct bnx2x *bp = params->bp;
4502 	u32 cfg_pin;
4503 	u8 port = params->port;
4504 
4505 	cfg_pin = REG_RD(bp, params->shmem_base +
4506 				offsetof(struct shmem_region,
4507 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4508 				PORT_HW_CFG_TX_LASER_MASK;
4509 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4510 	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4511 	/* For 20G, the expected pin to be used is 3 pins after the current */
4512 
4513 	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4514 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4515 		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4516 }
4517 
4518 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4519 				      struct link_params *params)
4520 {
4521 	struct bnx2x *bp = params->bp;
4522 	u16 val16;
4523 	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4524 	bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
4525 	bnx2x_set_aer_mmd(params, phy);
4526 	/* Global register */
4527 	bnx2x_warpcore_reset_lane(bp, phy, 1);
4528 
4529 	/* Clear loopback settings (if any) */
4530 	/* 10G & 20G */
4531 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4532 			MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4533 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4534 			 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
4535 			 0xBFFF);
4536 
4537 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4538 			MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
4539 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4540 			MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
4541 
4542 	/* Update those 1-copy registers */
4543 	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4544 			  MDIO_AER_BLOCK_AER_REG, 0);
4545 	/* Enable 1G MDIO (1-copy) */
4546 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4547 			MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4548 			&val16);
4549 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4550 			 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4551 			 val16 & ~0x10);
4552 
4553 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4554 			MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4555 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4556 			 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4557 			 val16 & 0xff00);
4558 
4559 }
4560 
4561 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4562 					struct link_params *params)
4563 {
4564 	struct bnx2x *bp = params->bp;
4565 	u16 val16;
4566 	u32 lane;
4567 	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4568 		       params->loopback_mode, phy->req_line_speed);
4569 
4570 	if (phy->req_line_speed < SPEED_10000) {
4571 		/* 10/100/1000 */
4572 
4573 		/* Update those 1-copy registers */
4574 		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4575 				  MDIO_AER_BLOCK_AER_REG, 0);
4576 		/* Enable 1G MDIO (1-copy) */
4577 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4578 					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4579 					 0x10);
4580 		/* Set 1G loopback based on lane (1-copy) */
4581 		lane = bnx2x_get_warpcore_lane(phy, params);
4582 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4583 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4584 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4585 				MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4586 				val16 | (1<<lane));
4587 
4588 		/* Switch back to 4-copy registers */
4589 		bnx2x_set_aer_mmd(params, phy);
4590 	} else {
4591 		/* 10G & 20G */
4592 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4593 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4594 					 0x4000);
4595 
4596 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4597 					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4598 	}
4599 }
4600 
4601 
4602 
4603 static void bnx2x_sync_link(struct link_params *params,
4604 			     struct link_vars *vars)
4605 {
4606 	struct bnx2x *bp = params->bp;
4607 	u8 link_10g_plus;
4608 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4609 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4610 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4611 	if (vars->link_up) {
4612 		DP(NETIF_MSG_LINK, "phy link up\n");
4613 
4614 		vars->phy_link_up = 1;
4615 		vars->duplex = DUPLEX_FULL;
4616 		switch (vars->link_status &
4617 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4618 		case LINK_10THD:
4619 			vars->duplex = DUPLEX_HALF;
4620 			/* Fall thru */
4621 		case LINK_10TFD:
4622 			vars->line_speed = SPEED_10;
4623 			break;
4624 
4625 		case LINK_100TXHD:
4626 			vars->duplex = DUPLEX_HALF;
4627 			/* Fall thru */
4628 		case LINK_100T4:
4629 		case LINK_100TXFD:
4630 			vars->line_speed = SPEED_100;
4631 			break;
4632 
4633 		case LINK_1000THD:
4634 			vars->duplex = DUPLEX_HALF;
4635 			/* Fall thru */
4636 		case LINK_1000TFD:
4637 			vars->line_speed = SPEED_1000;
4638 			break;
4639 
4640 		case LINK_2500THD:
4641 			vars->duplex = DUPLEX_HALF;
4642 			/* Fall thru */
4643 		case LINK_2500TFD:
4644 			vars->line_speed = SPEED_2500;
4645 			break;
4646 
4647 		case LINK_10GTFD:
4648 			vars->line_speed = SPEED_10000;
4649 			break;
4650 		case LINK_20GTFD:
4651 			vars->line_speed = SPEED_20000;
4652 			break;
4653 		default:
4654 			break;
4655 		}
4656 		vars->flow_ctrl = 0;
4657 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4658 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4659 
4660 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4661 			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4662 
4663 		if (!vars->flow_ctrl)
4664 			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4665 
4666 		if (vars->line_speed &&
4667 		    ((vars->line_speed == SPEED_10) ||
4668 		     (vars->line_speed == SPEED_100))) {
4669 			vars->phy_flags |= PHY_SGMII_FLAG;
4670 		} else {
4671 			vars->phy_flags &= ~PHY_SGMII_FLAG;
4672 		}
4673 		if (vars->line_speed &&
4674 		    USES_WARPCORE(bp) &&
4675 		    (vars->line_speed == SPEED_1000))
4676 			vars->phy_flags |= PHY_SGMII_FLAG;
4677 		/* Anything 10 and over uses the bmac */
4678 		link_10g_plus = (vars->line_speed >= SPEED_10000);
4679 
4680 		if (link_10g_plus) {
4681 			if (USES_WARPCORE(bp))
4682 				vars->mac_type = MAC_TYPE_XMAC;
4683 			else
4684 				vars->mac_type = MAC_TYPE_BMAC;
4685 		} else {
4686 			if (USES_WARPCORE(bp))
4687 				vars->mac_type = MAC_TYPE_UMAC;
4688 			else
4689 				vars->mac_type = MAC_TYPE_EMAC;
4690 		}
4691 	} else { /* Link down */
4692 		DP(NETIF_MSG_LINK, "phy link down\n");
4693 
4694 		vars->phy_link_up = 0;
4695 
4696 		vars->line_speed = 0;
4697 		vars->duplex = DUPLEX_FULL;
4698 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4699 
4700 		/* Indicate no mac active */
4701 		vars->mac_type = MAC_TYPE_NONE;
4702 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4703 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4704 		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4705 			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4706 	}
4707 }
4708 
4709 void bnx2x_link_status_update(struct link_params *params,
4710 			      struct link_vars *vars)
4711 {
4712 	struct bnx2x *bp = params->bp;
4713 	u8 port = params->port;
4714 	u32 sync_offset, media_types;
4715 	/* Update PHY configuration */
4716 	set_phy_vars(params, vars);
4717 
4718 	vars->link_status = REG_RD(bp, params->shmem_base +
4719 				   offsetof(struct shmem_region,
4720 					    port_mb[port].link_status));
4721 
4722 	vars->phy_flags = PHY_XGXS_FLAG;
4723 	bnx2x_sync_link(params, vars);
4724 	/* Sync media type */
4725 	sync_offset = params->shmem_base +
4726 			offsetof(struct shmem_region,
4727 				 dev_info.port_hw_config[port].media_type);
4728 	media_types = REG_RD(bp, sync_offset);
4729 
4730 	params->phy[INT_PHY].media_type =
4731 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4732 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4733 	params->phy[EXT_PHY1].media_type =
4734 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4735 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4736 	params->phy[EXT_PHY2].media_type =
4737 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4738 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4739 	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4740 
4741 	/* Sync AEU offset */
4742 	sync_offset = params->shmem_base +
4743 			offsetof(struct shmem_region,
4744 				 dev_info.port_hw_config[port].aeu_int_mask);
4745 
4746 	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4747 
4748 	/* Sync PFC status */
4749 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4750 		params->feature_config_flags |=
4751 					FEATURE_CONFIG_PFC_ENABLED;
4752 	else
4753 		params->feature_config_flags &=
4754 					~FEATURE_CONFIG_PFC_ENABLED;
4755 
4756 	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4757 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4758 	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4759 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4760 }
4761 
4762 static void bnx2x_set_master_ln(struct link_params *params,
4763 				struct bnx2x_phy *phy)
4764 {
4765 	struct bnx2x *bp = params->bp;
4766 	u16 new_master_ln, ser_lane;
4767 	ser_lane = ((params->lane_config &
4768 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4769 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4770 
4771 	/* Set the master_ln for AN */
4772 	CL22_RD_OVER_CL45(bp, phy,
4773 			  MDIO_REG_BANK_XGXS_BLOCK2,
4774 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4775 			  &new_master_ln);
4776 
4777 	CL22_WR_OVER_CL45(bp, phy,
4778 			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4779 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4780 			  (new_master_ln | ser_lane));
4781 }
4782 
4783 static int bnx2x_reset_unicore(struct link_params *params,
4784 			       struct bnx2x_phy *phy,
4785 			       u8 set_serdes)
4786 {
4787 	struct bnx2x *bp = params->bp;
4788 	u16 mii_control;
4789 	u16 i;
4790 	CL22_RD_OVER_CL45(bp, phy,
4791 			  MDIO_REG_BANK_COMBO_IEEE0,
4792 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4793 
4794 	/* Reset the unicore */
4795 	CL22_WR_OVER_CL45(bp, phy,
4796 			  MDIO_REG_BANK_COMBO_IEEE0,
4797 			  MDIO_COMBO_IEEE0_MII_CONTROL,
4798 			  (mii_control |
4799 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4800 	if (set_serdes)
4801 		bnx2x_set_serdes_access(bp, params->port);
4802 
4803 	/* Wait for the reset to self clear */
4804 	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4805 		udelay(5);
4806 
4807 		/* The reset erased the previous bank value */
4808 		CL22_RD_OVER_CL45(bp, phy,
4809 				  MDIO_REG_BANK_COMBO_IEEE0,
4810 				  MDIO_COMBO_IEEE0_MII_CONTROL,
4811 				  &mii_control);
4812 
4813 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4814 			udelay(5);
4815 			return 0;
4816 		}
4817 	}
4818 
4819 	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4820 			      " Port %d\n",
4821 			 params->port);
4822 	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4823 	return -EINVAL;
4824 
4825 }
4826 
4827 static void bnx2x_set_swap_lanes(struct link_params *params,
4828 				 struct bnx2x_phy *phy)
4829 {
4830 	struct bnx2x *bp = params->bp;
4831 	/* Each two bits represents a lane number:
4832 	 * No swap is 0123 => 0x1b no need to enable the swap
4833 	 */
4834 	u16 rx_lane_swap, tx_lane_swap;
4835 
4836 	rx_lane_swap = ((params->lane_config &
4837 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4838 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4839 	tx_lane_swap = ((params->lane_config &
4840 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4841 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4842 
4843 	if (rx_lane_swap != 0x1b) {
4844 		CL22_WR_OVER_CL45(bp, phy,
4845 				  MDIO_REG_BANK_XGXS_BLOCK2,
4846 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4847 				  (rx_lane_swap |
4848 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4849 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4850 	} else {
4851 		CL22_WR_OVER_CL45(bp, phy,
4852 				  MDIO_REG_BANK_XGXS_BLOCK2,
4853 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4854 	}
4855 
4856 	if (tx_lane_swap != 0x1b) {
4857 		CL22_WR_OVER_CL45(bp, phy,
4858 				  MDIO_REG_BANK_XGXS_BLOCK2,
4859 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4860 				  (tx_lane_swap |
4861 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4862 	} else {
4863 		CL22_WR_OVER_CL45(bp, phy,
4864 				  MDIO_REG_BANK_XGXS_BLOCK2,
4865 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4866 	}
4867 }
4868 
4869 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4870 					 struct link_params *params)
4871 {
4872 	struct bnx2x *bp = params->bp;
4873 	u16 control2;
4874 	CL22_RD_OVER_CL45(bp, phy,
4875 			  MDIO_REG_BANK_SERDES_DIGITAL,
4876 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4877 			  &control2);
4878 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4879 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4880 	else
4881 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4882 	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4883 		phy->speed_cap_mask, control2);
4884 	CL22_WR_OVER_CL45(bp, phy,
4885 			  MDIO_REG_BANK_SERDES_DIGITAL,
4886 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4887 			  control2);
4888 
4889 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4890 	     (phy->speed_cap_mask &
4891 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4892 		DP(NETIF_MSG_LINK, "XGXS\n");
4893 
4894 		CL22_WR_OVER_CL45(bp, phy,
4895 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4896 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4897 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4898 
4899 		CL22_RD_OVER_CL45(bp, phy,
4900 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4901 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4902 				  &control2);
4903 
4904 
4905 		control2 |=
4906 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4907 
4908 		CL22_WR_OVER_CL45(bp, phy,
4909 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4910 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4911 				  control2);
4912 
4913 		/* Disable parallel detection of HiG */
4914 		CL22_WR_OVER_CL45(bp, phy,
4915 				  MDIO_REG_BANK_XGXS_BLOCK2,
4916 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4917 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4918 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4919 	}
4920 }
4921 
4922 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4923 			      struct link_params *params,
4924 			      struct link_vars *vars,
4925 			      u8 enable_cl73)
4926 {
4927 	struct bnx2x *bp = params->bp;
4928 	u16 reg_val;
4929 
4930 	/* CL37 Autoneg */
4931 	CL22_RD_OVER_CL45(bp, phy,
4932 			  MDIO_REG_BANK_COMBO_IEEE0,
4933 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
4934 
4935 	/* CL37 Autoneg Enabled */
4936 	if (vars->line_speed == SPEED_AUTO_NEG)
4937 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
4938 	else /* CL37 Autoneg Disabled */
4939 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
4940 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
4941 
4942 	CL22_WR_OVER_CL45(bp, phy,
4943 			  MDIO_REG_BANK_COMBO_IEEE0,
4944 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
4945 
4946 	/* Enable/Disable Autodetection */
4947 
4948 	CL22_RD_OVER_CL45(bp, phy,
4949 			  MDIO_REG_BANK_SERDES_DIGITAL,
4950 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4951 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
4952 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
4953 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
4954 	if (vars->line_speed == SPEED_AUTO_NEG)
4955 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4956 	else
4957 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
4958 
4959 	CL22_WR_OVER_CL45(bp, phy,
4960 			  MDIO_REG_BANK_SERDES_DIGITAL,
4961 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
4962 
4963 	/* Enable TetonII and BAM autoneg */
4964 	CL22_RD_OVER_CL45(bp, phy,
4965 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
4966 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4967 			  &reg_val);
4968 	if (vars->line_speed == SPEED_AUTO_NEG) {
4969 		/* Enable BAM aneg Mode and TetonII aneg Mode */
4970 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4971 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4972 	} else {
4973 		/* TetonII and BAM Autoneg Disabled */
4974 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
4975 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
4976 	}
4977 	CL22_WR_OVER_CL45(bp, phy,
4978 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
4979 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
4980 			  reg_val);
4981 
4982 	if (enable_cl73) {
4983 		/* Enable Cl73 FSM status bits */
4984 		CL22_WR_OVER_CL45(bp, phy,
4985 				  MDIO_REG_BANK_CL73_USERB0,
4986 				  MDIO_CL73_USERB0_CL73_UCTRL,
4987 				  0xe);
4988 
4989 		/* Enable BAM Station Manager*/
4990 		CL22_WR_OVER_CL45(bp, phy,
4991 			MDIO_REG_BANK_CL73_USERB0,
4992 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
4993 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
4994 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
4995 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
4996 
4997 		/* Advertise CL73 link speeds */
4998 		CL22_RD_OVER_CL45(bp, phy,
4999 				  MDIO_REG_BANK_CL73_IEEEB1,
5000 				  MDIO_CL73_IEEEB1_AN_ADV2,
5001 				  &reg_val);
5002 		if (phy->speed_cap_mask &
5003 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5004 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5005 		if (phy->speed_cap_mask &
5006 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5007 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5008 
5009 		CL22_WR_OVER_CL45(bp, phy,
5010 				  MDIO_REG_BANK_CL73_IEEEB1,
5011 				  MDIO_CL73_IEEEB1_AN_ADV2,
5012 				  reg_val);
5013 
5014 		/* CL73 Autoneg Enabled */
5015 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5016 
5017 	} else /* CL73 Autoneg Disabled */
5018 		reg_val = 0;
5019 
5020 	CL22_WR_OVER_CL45(bp, phy,
5021 			  MDIO_REG_BANK_CL73_IEEEB0,
5022 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5023 }
5024 
5025 /* Program SerDes, forced speed */
5026 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5027 				 struct link_params *params,
5028 				 struct link_vars *vars)
5029 {
5030 	struct bnx2x *bp = params->bp;
5031 	u16 reg_val;
5032 
5033 	/* Program duplex, disable autoneg and sgmii*/
5034 	CL22_RD_OVER_CL45(bp, phy,
5035 			  MDIO_REG_BANK_COMBO_IEEE0,
5036 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5037 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5038 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5039 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5040 	if (phy->req_duplex == DUPLEX_FULL)
5041 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5042 	CL22_WR_OVER_CL45(bp, phy,
5043 			  MDIO_REG_BANK_COMBO_IEEE0,
5044 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5045 
5046 	/* Program speed
5047 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5048 	 */
5049 	CL22_RD_OVER_CL45(bp, phy,
5050 			  MDIO_REG_BANK_SERDES_DIGITAL,
5051 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5052 	/* Clearing the speed value before setting the right speed */
5053 	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5054 
5055 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5056 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5057 
5058 	if (!((vars->line_speed == SPEED_1000) ||
5059 	      (vars->line_speed == SPEED_100) ||
5060 	      (vars->line_speed == SPEED_10))) {
5061 
5062 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5063 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5064 		if (vars->line_speed == SPEED_10000)
5065 			reg_val |=
5066 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5067 	}
5068 
5069 	CL22_WR_OVER_CL45(bp, phy,
5070 			  MDIO_REG_BANK_SERDES_DIGITAL,
5071 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5072 
5073 }
5074 
5075 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5076 					      struct link_params *params)
5077 {
5078 	struct bnx2x *bp = params->bp;
5079 	u16 val = 0;
5080 
5081 	/* Set extended capabilities */
5082 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5083 		val |= MDIO_OVER_1G_UP1_2_5G;
5084 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5085 		val |= MDIO_OVER_1G_UP1_10G;
5086 	CL22_WR_OVER_CL45(bp, phy,
5087 			  MDIO_REG_BANK_OVER_1G,
5088 			  MDIO_OVER_1G_UP1, val);
5089 
5090 	CL22_WR_OVER_CL45(bp, phy,
5091 			  MDIO_REG_BANK_OVER_1G,
5092 			  MDIO_OVER_1G_UP3, 0x400);
5093 }
5094 
5095 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5096 					      struct link_params *params,
5097 					      u16 ieee_fc)
5098 {
5099 	struct bnx2x *bp = params->bp;
5100 	u16 val;
5101 	/* For AN, we are always publishing full duplex */
5102 
5103 	CL22_WR_OVER_CL45(bp, phy,
5104 			  MDIO_REG_BANK_COMBO_IEEE0,
5105 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5106 	CL22_RD_OVER_CL45(bp, phy,
5107 			  MDIO_REG_BANK_CL73_IEEEB1,
5108 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5109 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5110 	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5111 	CL22_WR_OVER_CL45(bp, phy,
5112 			  MDIO_REG_BANK_CL73_IEEEB1,
5113 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5114 }
5115 
5116 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5117 				  struct link_params *params,
5118 				  u8 enable_cl73)
5119 {
5120 	struct bnx2x *bp = params->bp;
5121 	u16 mii_control;
5122 
5123 	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5124 	/* Enable and restart BAM/CL37 aneg */
5125 
5126 	if (enable_cl73) {
5127 		CL22_RD_OVER_CL45(bp, phy,
5128 				  MDIO_REG_BANK_CL73_IEEEB0,
5129 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5130 				  &mii_control);
5131 
5132 		CL22_WR_OVER_CL45(bp, phy,
5133 				  MDIO_REG_BANK_CL73_IEEEB0,
5134 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5135 				  (mii_control |
5136 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5137 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5138 	} else {
5139 
5140 		CL22_RD_OVER_CL45(bp, phy,
5141 				  MDIO_REG_BANK_COMBO_IEEE0,
5142 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5143 				  &mii_control);
5144 		DP(NETIF_MSG_LINK,
5145 			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5146 			 mii_control);
5147 		CL22_WR_OVER_CL45(bp, phy,
5148 				  MDIO_REG_BANK_COMBO_IEEE0,
5149 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5150 				  (mii_control |
5151 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5152 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5153 	}
5154 }
5155 
5156 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5157 					   struct link_params *params,
5158 					   struct link_vars *vars)
5159 {
5160 	struct bnx2x *bp = params->bp;
5161 	u16 control1;
5162 
5163 	/* In SGMII mode, the unicore is always slave */
5164 
5165 	CL22_RD_OVER_CL45(bp, phy,
5166 			  MDIO_REG_BANK_SERDES_DIGITAL,
5167 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5168 			  &control1);
5169 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5170 	/* Set sgmii mode (and not fiber) */
5171 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5172 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5173 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5174 	CL22_WR_OVER_CL45(bp, phy,
5175 			  MDIO_REG_BANK_SERDES_DIGITAL,
5176 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5177 			  control1);
5178 
5179 	/* If forced speed */
5180 	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5181 		/* Set speed, disable autoneg */
5182 		u16 mii_control;
5183 
5184 		CL22_RD_OVER_CL45(bp, phy,
5185 				  MDIO_REG_BANK_COMBO_IEEE0,
5186 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5187 				  &mii_control);
5188 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5189 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5190 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5191 
5192 		switch (vars->line_speed) {
5193 		case SPEED_100:
5194 			mii_control |=
5195 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5196 			break;
5197 		case SPEED_1000:
5198 			mii_control |=
5199 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5200 			break;
5201 		case SPEED_10:
5202 			/* There is nothing to set for 10M */
5203 			break;
5204 		default:
5205 			/* Invalid speed for SGMII */
5206 			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5207 				  vars->line_speed);
5208 			break;
5209 		}
5210 
5211 		/* Setting the full duplex */
5212 		if (phy->req_duplex == DUPLEX_FULL)
5213 			mii_control |=
5214 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5215 		CL22_WR_OVER_CL45(bp, phy,
5216 				  MDIO_REG_BANK_COMBO_IEEE0,
5217 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5218 				  mii_control);
5219 
5220 	} else { /* AN mode */
5221 		/* Enable and restart AN */
5222 		bnx2x_restart_autoneg(phy, params, 0);
5223 	}
5224 }
5225 
5226 /* Link management
5227  */
5228 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5229 					     struct link_params *params)
5230 {
5231 	struct bnx2x *bp = params->bp;
5232 	u16 pd_10g, status2_1000x;
5233 	if (phy->req_line_speed != SPEED_AUTO_NEG)
5234 		return 0;
5235 	CL22_RD_OVER_CL45(bp, phy,
5236 			  MDIO_REG_BANK_SERDES_DIGITAL,
5237 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5238 			  &status2_1000x);
5239 	CL22_RD_OVER_CL45(bp, phy,
5240 			  MDIO_REG_BANK_SERDES_DIGITAL,
5241 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5242 			  &status2_1000x);
5243 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5244 		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5245 			 params->port);
5246 		return 1;
5247 	}
5248 
5249 	CL22_RD_OVER_CL45(bp, phy,
5250 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5251 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5252 			  &pd_10g);
5253 
5254 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5255 		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5256 			 params->port);
5257 		return 1;
5258 	}
5259 	return 0;
5260 }
5261 
5262 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5263 				struct link_params *params,
5264 				struct link_vars *vars,
5265 				u32 gp_status)
5266 {
5267 	u16 ld_pause;   /* local driver */
5268 	u16 lp_pause;   /* link partner */
5269 	u16 pause_result;
5270 	struct bnx2x *bp = params->bp;
5271 	if ((gp_status &
5272 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5273 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5274 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5275 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5276 
5277 		CL22_RD_OVER_CL45(bp, phy,
5278 				  MDIO_REG_BANK_CL73_IEEEB1,
5279 				  MDIO_CL73_IEEEB1_AN_ADV1,
5280 				  &ld_pause);
5281 		CL22_RD_OVER_CL45(bp, phy,
5282 				  MDIO_REG_BANK_CL73_IEEEB1,
5283 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5284 				  &lp_pause);
5285 		pause_result = (ld_pause &
5286 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5287 		pause_result |= (lp_pause &
5288 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5289 		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5290 	} else {
5291 		CL22_RD_OVER_CL45(bp, phy,
5292 				  MDIO_REG_BANK_COMBO_IEEE0,
5293 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5294 				  &ld_pause);
5295 		CL22_RD_OVER_CL45(bp, phy,
5296 			MDIO_REG_BANK_COMBO_IEEE0,
5297 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5298 			&lp_pause);
5299 		pause_result = (ld_pause &
5300 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5301 		pause_result |= (lp_pause &
5302 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5303 		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5304 	}
5305 	bnx2x_pause_resolve(vars, pause_result);
5306 
5307 }
5308 
5309 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5310 				    struct link_params *params,
5311 				    struct link_vars *vars,
5312 				    u32 gp_status)
5313 {
5314 	struct bnx2x *bp = params->bp;
5315 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5316 
5317 	/* Resolve from gp_status in case of AN complete and not sgmii */
5318 	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5319 		/* Update the advertised flow-controled of LD/LP in AN */
5320 		if (phy->req_line_speed == SPEED_AUTO_NEG)
5321 			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5322 		/* But set the flow-control result as the requested one */
5323 		vars->flow_ctrl = phy->req_flow_ctrl;
5324 	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5325 		vars->flow_ctrl = params->req_fc_auto_adv;
5326 	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5327 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5328 		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5329 			vars->flow_ctrl = params->req_fc_auto_adv;
5330 			return;
5331 		}
5332 		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5333 	}
5334 	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5335 }
5336 
5337 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5338 					 struct link_params *params)
5339 {
5340 	struct bnx2x *bp = params->bp;
5341 	u16 rx_status, ustat_val, cl37_fsm_received;
5342 	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5343 	/* Step 1: Make sure signal is detected */
5344 	CL22_RD_OVER_CL45(bp, phy,
5345 			  MDIO_REG_BANK_RX0,
5346 			  MDIO_RX0_RX_STATUS,
5347 			  &rx_status);
5348 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5349 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5350 		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5351 			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5352 		CL22_WR_OVER_CL45(bp, phy,
5353 				  MDIO_REG_BANK_CL73_IEEEB0,
5354 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5355 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5356 		return;
5357 	}
5358 	/* Step 2: Check CL73 state machine */
5359 	CL22_RD_OVER_CL45(bp, phy,
5360 			  MDIO_REG_BANK_CL73_USERB0,
5361 			  MDIO_CL73_USERB0_CL73_USTAT1,
5362 			  &ustat_val);
5363 	if ((ustat_val &
5364 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5365 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5366 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5367 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5368 		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5369 			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5370 		return;
5371 	}
5372 	/* Step 3: Check CL37 Message Pages received to indicate LP
5373 	 * supports only CL37
5374 	 */
5375 	CL22_RD_OVER_CL45(bp, phy,
5376 			  MDIO_REG_BANK_REMOTE_PHY,
5377 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5378 			  &cl37_fsm_received);
5379 	if ((cl37_fsm_received &
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 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5383 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5384 		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5385 			     "misc_rx_status(0x8330) = 0x%x\n",
5386 			 cl37_fsm_received);
5387 		return;
5388 	}
5389 	/* The combined cl37/cl73 fsm state information indicating that
5390 	 * we are connected to a device which does not support cl73, but
5391 	 * does support cl37 BAM. In this case we disable cl73 and
5392 	 * restart cl37 auto-neg
5393 	 */
5394 
5395 	/* Disable CL73 */
5396 	CL22_WR_OVER_CL45(bp, phy,
5397 			  MDIO_REG_BANK_CL73_IEEEB0,
5398 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5399 			  0);
5400 	/* Restart CL37 autoneg */
5401 	bnx2x_restart_autoneg(phy, params, 0);
5402 	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5403 }
5404 
5405 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5406 				  struct link_params *params,
5407 				  struct link_vars *vars,
5408 				  u32 gp_status)
5409 {
5410 	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5411 		vars->link_status |=
5412 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5413 
5414 	if (bnx2x_direct_parallel_detect_used(phy, params))
5415 		vars->link_status |=
5416 			LINK_STATUS_PARALLEL_DETECTION_USED;
5417 }
5418 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5419 				     struct link_params *params,
5420 				      struct link_vars *vars,
5421 				      u16 is_link_up,
5422 				      u16 speed_mask,
5423 				      u16 is_duplex)
5424 {
5425 	struct bnx2x *bp = params->bp;
5426 	if (phy->req_line_speed == SPEED_AUTO_NEG)
5427 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5428 	if (is_link_up) {
5429 		DP(NETIF_MSG_LINK, "phy link up\n");
5430 
5431 		vars->phy_link_up = 1;
5432 		vars->link_status |= LINK_STATUS_LINK_UP;
5433 
5434 		switch (speed_mask) {
5435 		case GP_STATUS_10M:
5436 			vars->line_speed = SPEED_10;
5437 			if (is_duplex == DUPLEX_FULL)
5438 				vars->link_status |= LINK_10TFD;
5439 			else
5440 				vars->link_status |= LINK_10THD;
5441 			break;
5442 
5443 		case GP_STATUS_100M:
5444 			vars->line_speed = SPEED_100;
5445 			if (is_duplex == DUPLEX_FULL)
5446 				vars->link_status |= LINK_100TXFD;
5447 			else
5448 				vars->link_status |= LINK_100TXHD;
5449 			break;
5450 
5451 		case GP_STATUS_1G:
5452 		case GP_STATUS_1G_KX:
5453 			vars->line_speed = SPEED_1000;
5454 			if (is_duplex == DUPLEX_FULL)
5455 				vars->link_status |= LINK_1000TFD;
5456 			else
5457 				vars->link_status |= LINK_1000THD;
5458 			break;
5459 
5460 		case GP_STATUS_2_5G:
5461 			vars->line_speed = SPEED_2500;
5462 			if (is_duplex == DUPLEX_FULL)
5463 				vars->link_status |= LINK_2500TFD;
5464 			else
5465 				vars->link_status |= LINK_2500THD;
5466 			break;
5467 
5468 		case GP_STATUS_5G:
5469 		case GP_STATUS_6G:
5470 			DP(NETIF_MSG_LINK,
5471 				 "link speed unsupported  gp_status 0x%x\n",
5472 				  speed_mask);
5473 			return -EINVAL;
5474 
5475 		case GP_STATUS_10G_KX4:
5476 		case GP_STATUS_10G_HIG:
5477 		case GP_STATUS_10G_CX4:
5478 		case GP_STATUS_10G_KR:
5479 		case GP_STATUS_10G_SFI:
5480 		case GP_STATUS_10G_XFI:
5481 			vars->line_speed = SPEED_10000;
5482 			vars->link_status |= LINK_10GTFD;
5483 			break;
5484 		case GP_STATUS_20G_DXGXS:
5485 			vars->line_speed = SPEED_20000;
5486 			vars->link_status |= LINK_20GTFD;
5487 			break;
5488 		default:
5489 			DP(NETIF_MSG_LINK,
5490 				  "link speed unsupported gp_status 0x%x\n",
5491 				  speed_mask);
5492 			return -EINVAL;
5493 		}
5494 	} else { /* link_down */
5495 		DP(NETIF_MSG_LINK, "phy link down\n");
5496 
5497 		vars->phy_link_up = 0;
5498 
5499 		vars->duplex = DUPLEX_FULL;
5500 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5501 		vars->mac_type = MAC_TYPE_NONE;
5502 	}
5503 	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5504 		    vars->phy_link_up, vars->line_speed);
5505 	return 0;
5506 }
5507 
5508 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5509 				      struct link_params *params,
5510 				      struct link_vars *vars)
5511 {
5512 	struct bnx2x *bp = params->bp;
5513 
5514 	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5515 	int rc = 0;
5516 
5517 	/* Read gp_status */
5518 	CL22_RD_OVER_CL45(bp, phy,
5519 			  MDIO_REG_BANK_GP_STATUS,
5520 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5521 			  &gp_status);
5522 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5523 		duplex = DUPLEX_FULL;
5524 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5525 		link_up = 1;
5526 	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5527 	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5528 		       gp_status, link_up, speed_mask);
5529 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5530 					 duplex);
5531 	if (rc == -EINVAL)
5532 		return rc;
5533 
5534 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5535 		if (SINGLE_MEDIA_DIRECT(params)) {
5536 			vars->duplex = duplex;
5537 			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5538 			if (phy->req_line_speed == SPEED_AUTO_NEG)
5539 				bnx2x_xgxs_an_resolve(phy, params, vars,
5540 						      gp_status);
5541 		}
5542 	} else { /* Link_down */
5543 		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5544 		    SINGLE_MEDIA_DIRECT(params)) {
5545 			/* Check signal is detected */
5546 			bnx2x_check_fallback_to_cl37(phy, params);
5547 		}
5548 	}
5549 
5550 	/* Read LP advertised speeds*/
5551 	if (SINGLE_MEDIA_DIRECT(params) &&
5552 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5553 		u16 val;
5554 
5555 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5556 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5557 
5558 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5559 			vars->link_status |=
5560 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5561 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5562 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5563 			vars->link_status |=
5564 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5565 
5566 		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5567 				  MDIO_OVER_1G_LP_UP1, &val);
5568 
5569 		if (val & MDIO_OVER_1G_UP1_2_5G)
5570 			vars->link_status |=
5571 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5572 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5573 			vars->link_status |=
5574 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5575 	}
5576 
5577 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5578 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5579 	return rc;
5580 }
5581 
5582 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5583 				     struct link_params *params,
5584 				     struct link_vars *vars)
5585 {
5586 	struct bnx2x *bp = params->bp;
5587 	u8 lane;
5588 	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5589 	int rc = 0;
5590 	lane = bnx2x_get_warpcore_lane(phy, params);
5591 	/* Read gp_status */
5592 	if (phy->req_line_speed > SPEED_10000) {
5593 		u16 temp_link_up;
5594 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5595 				1, &temp_link_up);
5596 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5597 				1, &link_up);
5598 		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5599 			       temp_link_up, link_up);
5600 		link_up &= (1<<2);
5601 		if (link_up)
5602 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5603 	} else {
5604 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5605 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
5606 		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5607 		/* Check for either KR or generic link up. */
5608 		gp_status1 = ((gp_status1 >> 8) & 0xf) |
5609 			((gp_status1 >> 12) & 0xf);
5610 		link_up = gp_status1 & (1 << lane);
5611 		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5612 			u16 pd, gp_status4;
5613 			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5614 				/* Check Autoneg complete */
5615 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5616 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5617 						&gp_status4);
5618 				if (gp_status4 & ((1<<12)<<lane))
5619 					vars->link_status |=
5620 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5621 
5622 				/* Check parallel detect used */
5623 				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5624 						MDIO_WC_REG_PAR_DET_10G_STATUS,
5625 						&pd);
5626 				if (pd & (1<<15))
5627 					vars->link_status |=
5628 					LINK_STATUS_PARALLEL_DETECTION_USED;
5629 			}
5630 			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5631 			vars->duplex = duplex;
5632 		}
5633 	}
5634 
5635 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5636 	    SINGLE_MEDIA_DIRECT(params)) {
5637 		u16 val;
5638 
5639 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5640 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5641 
5642 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5643 			vars->link_status |=
5644 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5645 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5646 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5647 			vars->link_status |=
5648 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5649 
5650 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5651 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5652 
5653 		if (val & MDIO_OVER_1G_UP1_2_5G)
5654 			vars->link_status |=
5655 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5656 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5657 			vars->link_status |=
5658 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5659 
5660 	}
5661 
5662 
5663 	if (lane < 2) {
5664 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5665 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5666 	} else {
5667 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5668 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5669 	}
5670 	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5671 
5672 	if ((lane & 1) == 0)
5673 		gp_speed <<= 8;
5674 	gp_speed &= 0x3f00;
5675 
5676 
5677 	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5678 					 duplex);
5679 
5680 	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5681 		   vars->duplex, vars->flow_ctrl, vars->link_status);
5682 	return rc;
5683 }
5684 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5685 {
5686 	struct bnx2x *bp = params->bp;
5687 	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5688 	u16 lp_up2;
5689 	u16 tx_driver;
5690 	u16 bank;
5691 
5692 	/* Read precomp */
5693 	CL22_RD_OVER_CL45(bp, phy,
5694 			  MDIO_REG_BANK_OVER_1G,
5695 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5696 
5697 	/* Bits [10:7] at lp_up2, positioned at [15:12] */
5698 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5699 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5700 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5701 
5702 	if (lp_up2 == 0)
5703 		return;
5704 
5705 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5706 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5707 		CL22_RD_OVER_CL45(bp, phy,
5708 				  bank,
5709 				  MDIO_TX0_TX_DRIVER, &tx_driver);
5710 
5711 		/* Replace tx_driver bits [15:12] */
5712 		if (lp_up2 !=
5713 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5714 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5715 			tx_driver |= lp_up2;
5716 			CL22_WR_OVER_CL45(bp, phy,
5717 					  bank,
5718 					  MDIO_TX0_TX_DRIVER, tx_driver);
5719 		}
5720 	}
5721 }
5722 
5723 static int bnx2x_emac_program(struct link_params *params,
5724 			      struct link_vars *vars)
5725 {
5726 	struct bnx2x *bp = params->bp;
5727 	u8 port = params->port;
5728 	u16 mode = 0;
5729 
5730 	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5731 	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5732 		       EMAC_REG_EMAC_MODE,
5733 		       (EMAC_MODE_25G_MODE |
5734 			EMAC_MODE_PORT_MII_10M |
5735 			EMAC_MODE_HALF_DUPLEX));
5736 	switch (vars->line_speed) {
5737 	case SPEED_10:
5738 		mode |= EMAC_MODE_PORT_MII_10M;
5739 		break;
5740 
5741 	case SPEED_100:
5742 		mode |= EMAC_MODE_PORT_MII;
5743 		break;
5744 
5745 	case SPEED_1000:
5746 		mode |= EMAC_MODE_PORT_GMII;
5747 		break;
5748 
5749 	case SPEED_2500:
5750 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5751 		break;
5752 
5753 	default:
5754 		/* 10G not valid for EMAC */
5755 		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5756 			   vars->line_speed);
5757 		return -EINVAL;
5758 	}
5759 
5760 	if (vars->duplex == DUPLEX_HALF)
5761 		mode |= EMAC_MODE_HALF_DUPLEX;
5762 	bnx2x_bits_en(bp,
5763 		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5764 		      mode);
5765 
5766 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5767 	return 0;
5768 }
5769 
5770 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5771 				  struct link_params *params)
5772 {
5773 
5774 	u16 bank, i = 0;
5775 	struct bnx2x *bp = params->bp;
5776 
5777 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5778 	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5779 			CL22_WR_OVER_CL45(bp, phy,
5780 					  bank,
5781 					  MDIO_RX0_RX_EQ_BOOST,
5782 					  phy->rx_preemphasis[i]);
5783 	}
5784 
5785 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5786 		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5787 			CL22_WR_OVER_CL45(bp, phy,
5788 					  bank,
5789 					  MDIO_TX0_TX_DRIVER,
5790 					  phy->tx_preemphasis[i]);
5791 	}
5792 }
5793 
5794 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5795 				   struct link_params *params,
5796 				   struct link_vars *vars)
5797 {
5798 	struct bnx2x *bp = params->bp;
5799 	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5800 			  (params->loopback_mode == LOOPBACK_XGXS));
5801 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5802 		if (SINGLE_MEDIA_DIRECT(params) &&
5803 		    (params->feature_config_flags &
5804 		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5805 			bnx2x_set_preemphasis(phy, params);
5806 
5807 		/* Forced speed requested? */
5808 		if (vars->line_speed != SPEED_AUTO_NEG ||
5809 		    (SINGLE_MEDIA_DIRECT(params) &&
5810 		     params->loopback_mode == LOOPBACK_EXT)) {
5811 			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5812 
5813 			/* Disable autoneg */
5814 			bnx2x_set_autoneg(phy, params, vars, 0);
5815 
5816 			/* Program speed and duplex */
5817 			bnx2x_program_serdes(phy, params, vars);
5818 
5819 		} else { /* AN_mode */
5820 			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5821 
5822 			/* AN enabled */
5823 			bnx2x_set_brcm_cl37_advertisement(phy, params);
5824 
5825 			/* Program duplex & pause advertisement (for aneg) */
5826 			bnx2x_set_ieee_aneg_advertisement(phy, params,
5827 							  vars->ieee_fc);
5828 
5829 			/* Enable autoneg */
5830 			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5831 
5832 			/* Enable and restart AN */
5833 			bnx2x_restart_autoneg(phy, params, enable_cl73);
5834 		}
5835 
5836 	} else { /* SGMII mode */
5837 		DP(NETIF_MSG_LINK, "SGMII\n");
5838 
5839 		bnx2x_initialize_sgmii_process(phy, params, vars);
5840 	}
5841 }
5842 
5843 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5844 			  struct link_params *params,
5845 			  struct link_vars *vars)
5846 {
5847 	int rc;
5848 	vars->phy_flags |= PHY_XGXS_FLAG;
5849 	if ((phy->req_line_speed &&
5850 	     ((phy->req_line_speed == SPEED_100) ||
5851 	      (phy->req_line_speed == SPEED_10))) ||
5852 	    (!phy->req_line_speed &&
5853 	     (phy->speed_cap_mask >=
5854 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5855 	     (phy->speed_cap_mask <
5856 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5857 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5858 		vars->phy_flags |= PHY_SGMII_FLAG;
5859 	else
5860 		vars->phy_flags &= ~PHY_SGMII_FLAG;
5861 
5862 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5863 	bnx2x_set_aer_mmd(params, phy);
5864 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5865 		bnx2x_set_master_ln(params, phy);
5866 
5867 	rc = bnx2x_reset_unicore(params, phy, 0);
5868 	/* Reset the SerDes and wait for reset bit return low */
5869 	if (rc)
5870 		return rc;
5871 
5872 	bnx2x_set_aer_mmd(params, phy);
5873 	/* Setting the masterLn_def again after the reset */
5874 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5875 		bnx2x_set_master_ln(params, phy);
5876 		bnx2x_set_swap_lanes(params, phy);
5877 	}
5878 
5879 	return rc;
5880 }
5881 
5882 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5883 				     struct bnx2x_phy *phy,
5884 				     struct link_params *params)
5885 {
5886 	u16 cnt, ctrl;
5887 	/* Wait for soft reset to get cleared up to 1 sec */
5888 	for (cnt = 0; cnt < 1000; cnt++) {
5889 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5890 			bnx2x_cl22_read(bp, phy,
5891 				MDIO_PMA_REG_CTRL, &ctrl);
5892 		else
5893 			bnx2x_cl45_read(bp, phy,
5894 				MDIO_PMA_DEVAD,
5895 				MDIO_PMA_REG_CTRL, &ctrl);
5896 		if (!(ctrl & (1<<15)))
5897 			break;
5898 		usleep_range(1000, 2000);
5899 	}
5900 
5901 	if (cnt == 1000)
5902 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
5903 				      " Port %d\n",
5904 			 params->port);
5905 	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5906 	return cnt;
5907 }
5908 
5909 static void bnx2x_link_int_enable(struct link_params *params)
5910 {
5911 	u8 port = params->port;
5912 	u32 mask;
5913 	struct bnx2x *bp = params->bp;
5914 
5915 	/* Setting the status to report on link up for either XGXS or SerDes */
5916 	if (CHIP_IS_E3(bp)) {
5917 		mask = NIG_MASK_XGXS0_LINK_STATUS;
5918 		if (!(SINGLE_MEDIA_DIRECT(params)))
5919 			mask |= NIG_MASK_MI_INT;
5920 	} else if (params->switch_cfg == SWITCH_CFG_10G) {
5921 		mask = (NIG_MASK_XGXS0_LINK10G |
5922 			NIG_MASK_XGXS0_LINK_STATUS);
5923 		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
5924 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
5925 			params->phy[INT_PHY].type !=
5926 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
5927 			mask |= NIG_MASK_MI_INT;
5928 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
5929 		}
5930 
5931 	} else { /* SerDes */
5932 		mask = NIG_MASK_SERDES0_LINK_STATUS;
5933 		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
5934 		if (!(SINGLE_MEDIA_DIRECT(params)) &&
5935 			params->phy[INT_PHY].type !=
5936 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
5937 			mask |= NIG_MASK_MI_INT;
5938 			DP(NETIF_MSG_LINK, "enabled external phy int\n");
5939 		}
5940 	}
5941 	bnx2x_bits_en(bp,
5942 		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5943 		      mask);
5944 
5945 	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
5946 		 (params->switch_cfg == SWITCH_CFG_10G),
5947 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
5948 	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5949 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5950 		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5951 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5952 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5953 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5954 	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5955 }
5956 
5957 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
5958 				     u8 exp_mi_int)
5959 {
5960 	u32 latch_status = 0;
5961 
5962 	/* Disable the MI INT ( external phy int ) by writing 1 to the
5963 	 * status register. Link down indication is high-active-signal,
5964 	 * so in this case we need to write the status to clear the XOR
5965 	 */
5966 	/* Read Latched signals */
5967 	latch_status = REG_RD(bp,
5968 				    NIG_REG_LATCH_STATUS_0 + port*8);
5969 	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
5970 	/* Handle only those with latched-signal=up.*/
5971 	if (exp_mi_int)
5972 		bnx2x_bits_en(bp,
5973 			      NIG_REG_STATUS_INTERRUPT_PORT0
5974 			      + port*4,
5975 			      NIG_STATUS_EMAC0_MI_INT);
5976 	else
5977 		bnx2x_bits_dis(bp,
5978 			       NIG_REG_STATUS_INTERRUPT_PORT0
5979 			       + port*4,
5980 			       NIG_STATUS_EMAC0_MI_INT);
5981 
5982 	if (latch_status & 1) {
5983 
5984 		/* For all latched-signal=up : Re-Arm Latch signals */
5985 		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
5986 		       (latch_status & 0xfffe) | (latch_status & 1));
5987 	}
5988 	/* For all latched-signal=up,Write original_signal to status */
5989 }
5990 
5991 static void bnx2x_link_int_ack(struct link_params *params,
5992 			       struct link_vars *vars, u8 is_10g_plus)
5993 {
5994 	struct bnx2x *bp = params->bp;
5995 	u8 port = params->port;
5996 	u32 mask;
5997 	/* First reset all status we assume only one line will be
5998 	 * change at a time
5999 	 */
6000 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6001 		       (NIG_STATUS_XGXS0_LINK10G |
6002 			NIG_STATUS_XGXS0_LINK_STATUS |
6003 			NIG_STATUS_SERDES0_LINK_STATUS));
6004 	if (vars->phy_link_up) {
6005 		if (USES_WARPCORE(bp))
6006 			mask = NIG_STATUS_XGXS0_LINK_STATUS;
6007 		else {
6008 			if (is_10g_plus)
6009 				mask = NIG_STATUS_XGXS0_LINK10G;
6010 			else if (params->switch_cfg == SWITCH_CFG_10G) {
6011 				/* Disable the link interrupt by writing 1 to
6012 				 * the relevant lane in the status register
6013 				 */
6014 				u32 ser_lane =
6015 					((params->lane_config &
6016 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6017 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6018 				mask = ((1 << ser_lane) <<
6019 				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6020 			} else
6021 				mask = NIG_STATUS_SERDES0_LINK_STATUS;
6022 		}
6023 		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6024 			       mask);
6025 		bnx2x_bits_en(bp,
6026 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6027 			      mask);
6028 	}
6029 }
6030 
6031 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6032 {
6033 	u8 *str_ptr = str;
6034 	u32 mask = 0xf0000000;
6035 	u8 shift = 8*4;
6036 	u8 digit;
6037 	u8 remove_leading_zeros = 1;
6038 	if (*len < 10) {
6039 		/* Need more than 10chars for this format */
6040 		*str_ptr = '\0';
6041 		(*len)--;
6042 		return -EINVAL;
6043 	}
6044 	while (shift > 0) {
6045 
6046 		shift -= 4;
6047 		digit = ((num & mask) >> shift);
6048 		if (digit == 0 && remove_leading_zeros) {
6049 			mask = mask >> 4;
6050 			continue;
6051 		} else if (digit < 0xa)
6052 			*str_ptr = digit + '0';
6053 		else
6054 			*str_ptr = digit - 0xa + 'a';
6055 		remove_leading_zeros = 0;
6056 		str_ptr++;
6057 		(*len)--;
6058 		mask = mask >> 4;
6059 		if (shift == 4*4) {
6060 			*str_ptr = '.';
6061 			str_ptr++;
6062 			(*len)--;
6063 			remove_leading_zeros = 1;
6064 		}
6065 	}
6066 	return 0;
6067 }
6068 
6069 
6070 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6071 {
6072 	str[0] = '\0';
6073 	(*len)--;
6074 	return 0;
6075 }
6076 
6077 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6078 				 u16 len)
6079 {
6080 	struct bnx2x *bp;
6081 	u32 spirom_ver = 0;
6082 	int status = 0;
6083 	u8 *ver_p = version;
6084 	u16 remain_len = len;
6085 	if (version == NULL || params == NULL)
6086 		return -EINVAL;
6087 	bp = params->bp;
6088 
6089 	/* Extract first external phy*/
6090 	version[0] = '\0';
6091 	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6092 
6093 	if (params->phy[EXT_PHY1].format_fw_ver) {
6094 		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6095 							      ver_p,
6096 							      &remain_len);
6097 		ver_p += (len - remain_len);
6098 	}
6099 	if ((params->num_phys == MAX_PHYS) &&
6100 	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6101 		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6102 		if (params->phy[EXT_PHY2].format_fw_ver) {
6103 			*ver_p = '/';
6104 			ver_p++;
6105 			remain_len--;
6106 			status |= params->phy[EXT_PHY2].format_fw_ver(
6107 				spirom_ver,
6108 				ver_p,
6109 				&remain_len);
6110 			ver_p = version + (len - remain_len);
6111 		}
6112 	}
6113 	*ver_p = '\0';
6114 	return status;
6115 }
6116 
6117 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6118 				    struct link_params *params)
6119 {
6120 	u8 port = params->port;
6121 	struct bnx2x *bp = params->bp;
6122 
6123 	if (phy->req_line_speed != SPEED_1000) {
6124 		u32 md_devad = 0;
6125 
6126 		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6127 
6128 		if (!CHIP_IS_E3(bp)) {
6129 			/* Change the uni_phy_addr in the nig */
6130 			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6131 					       port*0x18));
6132 
6133 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6134 			       0x5);
6135 		}
6136 
6137 		bnx2x_cl45_write(bp, phy,
6138 				 5,
6139 				 (MDIO_REG_BANK_AER_BLOCK +
6140 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6141 				 0x2800);
6142 
6143 		bnx2x_cl45_write(bp, phy,
6144 				 5,
6145 				 (MDIO_REG_BANK_CL73_IEEEB0 +
6146 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6147 				 0x6041);
6148 		msleep(200);
6149 		/* Set aer mmd back */
6150 		bnx2x_set_aer_mmd(params, phy);
6151 
6152 		if (!CHIP_IS_E3(bp)) {
6153 			/* And md_devad */
6154 			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6155 			       md_devad);
6156 		}
6157 	} else {
6158 		u16 mii_ctrl;
6159 		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6160 		bnx2x_cl45_read(bp, phy, 5,
6161 				(MDIO_REG_BANK_COMBO_IEEE0 +
6162 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6163 				&mii_ctrl);
6164 		bnx2x_cl45_write(bp, phy, 5,
6165 				 (MDIO_REG_BANK_COMBO_IEEE0 +
6166 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6167 				 mii_ctrl |
6168 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6169 	}
6170 }
6171 
6172 int bnx2x_set_led(struct link_params *params,
6173 		  struct link_vars *vars, u8 mode, u32 speed)
6174 {
6175 	u8 port = params->port;
6176 	u16 hw_led_mode = params->hw_led_mode;
6177 	int rc = 0;
6178 	u8 phy_idx;
6179 	u32 tmp;
6180 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6181 	struct bnx2x *bp = params->bp;
6182 	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6183 	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6184 		 speed, hw_led_mode);
6185 	/* In case */
6186 	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6187 		if (params->phy[phy_idx].set_link_led) {
6188 			params->phy[phy_idx].set_link_led(
6189 				&params->phy[phy_idx], params, mode);
6190 		}
6191 	}
6192 
6193 	switch (mode) {
6194 	case LED_MODE_FRONT_PANEL_OFF:
6195 	case LED_MODE_OFF:
6196 		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6197 		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6198 		       SHARED_HW_CFG_LED_MAC1);
6199 
6200 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6201 		if (params->phy[EXT_PHY1].type ==
6202 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6203 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6204 				EMAC_LED_100MB_OVERRIDE |
6205 				EMAC_LED_10MB_OVERRIDE);
6206 		else
6207 			tmp |= EMAC_LED_OVERRIDE;
6208 
6209 		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6210 		break;
6211 
6212 	case LED_MODE_OPER:
6213 		/* For all other phys, OPER mode is same as ON, so in case
6214 		 * link is down, do nothing
6215 		 */
6216 		if (!vars->link_up)
6217 			break;
6218 	case LED_MODE_ON:
6219 		if (((params->phy[EXT_PHY1].type ==
6220 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6221 			 (params->phy[EXT_PHY1].type ==
6222 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6223 		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6224 			/* This is a work-around for E2+8727 Configurations */
6225 			if (mode == LED_MODE_ON ||
6226 				speed == SPEED_10000){
6227 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6228 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6229 
6230 				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6231 				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6232 					(tmp | EMAC_LED_OVERRIDE));
6233 				/* Return here without enabling traffic
6234 				 * LED blink and setting rate in ON mode.
6235 				 * In oper mode, enabling LED blink
6236 				 * and setting rate is needed.
6237 				 */
6238 				if (mode == LED_MODE_ON)
6239 					return rc;
6240 			}
6241 		} else if (SINGLE_MEDIA_DIRECT(params)) {
6242 			/* This is a work-around for HW issue found when link
6243 			 * is up in CL73
6244 			 */
6245 			if ((!CHIP_IS_E3(bp)) ||
6246 			    (CHIP_IS_E3(bp) &&
6247 			     mode == LED_MODE_ON))
6248 				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6249 
6250 			if (CHIP_IS_E1x(bp) ||
6251 			    CHIP_IS_E2(bp) ||
6252 			    (mode == LED_MODE_ON))
6253 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6254 			else
6255 				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6256 				       hw_led_mode);
6257 		} else if ((params->phy[EXT_PHY1].type ==
6258 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6259 			   (mode == LED_MODE_ON)) {
6260 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6261 			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6262 			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6263 				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6264 			/* Break here; otherwise, it'll disable the
6265 			 * intended override.
6266 			 */
6267 			break;
6268 		} else
6269 			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6270 			       hw_led_mode);
6271 
6272 		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6273 		/* Set blinking rate to ~15.9Hz */
6274 		if (CHIP_IS_E3(bp))
6275 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6276 			       LED_BLINK_RATE_VAL_E3);
6277 		else
6278 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6279 			       LED_BLINK_RATE_VAL_E1X_E2);
6280 		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6281 		       port*4, 1);
6282 		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6283 		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6284 			(tmp & (~EMAC_LED_OVERRIDE)));
6285 
6286 		if (CHIP_IS_E1(bp) &&
6287 		    ((speed == SPEED_2500) ||
6288 		     (speed == SPEED_1000) ||
6289 		     (speed == SPEED_100) ||
6290 		     (speed == SPEED_10))) {
6291 			/* For speeds less than 10G LED scheme is different */
6292 			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6293 			       + port*4, 1);
6294 			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6295 			       port*4, 0);
6296 			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6297 			       port*4, 1);
6298 		}
6299 		break;
6300 
6301 	default:
6302 		rc = -EINVAL;
6303 		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6304 			 mode);
6305 		break;
6306 	}
6307 	return rc;
6308 
6309 }
6310 
6311 /* This function comes to reflect the actual link state read DIRECTLY from the
6312  * HW
6313  */
6314 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6315 		    u8 is_serdes)
6316 {
6317 	struct bnx2x *bp = params->bp;
6318 	u16 gp_status = 0, phy_index = 0;
6319 	u8 ext_phy_link_up = 0, serdes_phy_type;
6320 	struct link_vars temp_vars;
6321 	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6322 
6323 	if (CHIP_IS_E3(bp)) {
6324 		u16 link_up;
6325 		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6326 		    > SPEED_10000) {
6327 			/* Check 20G link */
6328 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6329 					1, &link_up);
6330 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6331 					1, &link_up);
6332 			link_up &= (1<<2);
6333 		} else {
6334 			/* Check 10G link and below*/
6335 			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6336 			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6337 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6338 					&gp_status);
6339 			gp_status = ((gp_status >> 8) & 0xf) |
6340 				((gp_status >> 12) & 0xf);
6341 			link_up = gp_status & (1 << lane);
6342 		}
6343 		if (!link_up)
6344 			return -ESRCH;
6345 	} else {
6346 		CL22_RD_OVER_CL45(bp, int_phy,
6347 			  MDIO_REG_BANK_GP_STATUS,
6348 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6349 			  &gp_status);
6350 	/* Link is up only if both local phy and external phy are up */
6351 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6352 		return -ESRCH;
6353 	}
6354 	/* In XGXS loopback mode, do not check external PHY */
6355 	if (params->loopback_mode == LOOPBACK_XGXS)
6356 		return 0;
6357 
6358 	switch (params->num_phys) {
6359 	case 1:
6360 		/* No external PHY */
6361 		return 0;
6362 	case 2:
6363 		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6364 			&params->phy[EXT_PHY1],
6365 			params, &temp_vars);
6366 		break;
6367 	case 3: /* Dual Media */
6368 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6369 		      phy_index++) {
6370 			serdes_phy_type = ((params->phy[phy_index].media_type ==
6371 					    ETH_PHY_SFPP_10G_FIBER) ||
6372 					   (params->phy[phy_index].media_type ==
6373 					    ETH_PHY_SFP_1G_FIBER) ||
6374 					   (params->phy[phy_index].media_type ==
6375 					    ETH_PHY_XFP_FIBER) ||
6376 					   (params->phy[phy_index].media_type ==
6377 					    ETH_PHY_DA_TWINAX));
6378 
6379 			if (is_serdes != serdes_phy_type)
6380 				continue;
6381 			if (params->phy[phy_index].read_status) {
6382 				ext_phy_link_up |=
6383 					params->phy[phy_index].read_status(
6384 						&params->phy[phy_index],
6385 						params, &temp_vars);
6386 			}
6387 		}
6388 		break;
6389 	}
6390 	if (ext_phy_link_up)
6391 		return 0;
6392 	return -ESRCH;
6393 }
6394 
6395 static int bnx2x_link_initialize(struct link_params *params,
6396 				 struct link_vars *vars)
6397 {
6398 	int rc = 0;
6399 	u8 phy_index, non_ext_phy;
6400 	struct bnx2x *bp = params->bp;
6401 	/* In case of external phy existence, the line speed would be the
6402 	 * line speed linked up by the external phy. In case it is direct
6403 	 * only, then the line_speed during initialization will be
6404 	 * equal to the req_line_speed
6405 	 */
6406 	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6407 
6408 	/* Initialize the internal phy in case this is a direct board
6409 	 * (no external phys), or this board has external phy which requires
6410 	 * to first.
6411 	 */
6412 	if (!USES_WARPCORE(bp))
6413 		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6414 	/* init ext phy and enable link state int */
6415 	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6416 		       (params->loopback_mode == LOOPBACK_XGXS));
6417 
6418 	if (non_ext_phy ||
6419 	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6420 	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6421 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6422 		if (vars->line_speed == SPEED_AUTO_NEG &&
6423 		    (CHIP_IS_E1x(bp) ||
6424 		     CHIP_IS_E2(bp)))
6425 			bnx2x_set_parallel_detection(phy, params);
6426 			if (params->phy[INT_PHY].config_init)
6427 				params->phy[INT_PHY].config_init(phy,
6428 								 params,
6429 								 vars);
6430 	}
6431 
6432 	/* Init external phy*/
6433 	if (non_ext_phy) {
6434 		if (params->phy[INT_PHY].supported &
6435 		    SUPPORTED_FIBRE)
6436 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6437 	} else {
6438 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6439 		      phy_index++) {
6440 			/* No need to initialize second phy in case of first
6441 			 * phy only selection. In case of second phy, we do
6442 			 * need to initialize the first phy, since they are
6443 			 * connected.
6444 			 */
6445 			if (params->phy[phy_index].supported &
6446 			    SUPPORTED_FIBRE)
6447 				vars->link_status |= LINK_STATUS_SERDES_LINK;
6448 
6449 			if (phy_index == EXT_PHY2 &&
6450 			    (bnx2x_phy_selection(params) ==
6451 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6452 				DP(NETIF_MSG_LINK,
6453 				   "Not initializing second phy\n");
6454 				continue;
6455 			}
6456 			params->phy[phy_index].config_init(
6457 				&params->phy[phy_index],
6458 				params, vars);
6459 		}
6460 	}
6461 	/* Reset the interrupt indication after phy was initialized */
6462 	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6463 		       params->port*4,
6464 		       (NIG_STATUS_XGXS0_LINK10G |
6465 			NIG_STATUS_XGXS0_LINK_STATUS |
6466 			NIG_STATUS_SERDES0_LINK_STATUS |
6467 			NIG_MASK_MI_INT));
6468 	return rc;
6469 }
6470 
6471 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6472 				 struct link_params *params)
6473 {
6474 	/* Reset the SerDes/XGXS */
6475 	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6476 	       (0x1ff << (params->port*16)));
6477 }
6478 
6479 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6480 					struct link_params *params)
6481 {
6482 	struct bnx2x *bp = params->bp;
6483 	u8 gpio_port;
6484 	/* HW reset */
6485 	if (CHIP_IS_E2(bp))
6486 		gpio_port = BP_PATH(bp);
6487 	else
6488 		gpio_port = params->port;
6489 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6490 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6491 		       gpio_port);
6492 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6493 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6494 		       gpio_port);
6495 	DP(NETIF_MSG_LINK, "reset external PHY\n");
6496 }
6497 
6498 static int bnx2x_update_link_down(struct link_params *params,
6499 				  struct link_vars *vars)
6500 {
6501 	struct bnx2x *bp = params->bp;
6502 	u8 port = params->port;
6503 
6504 	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6505 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6506 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6507 	/* Indicate no mac active */
6508 	vars->mac_type = MAC_TYPE_NONE;
6509 
6510 	/* Update shared memory */
6511 	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
6512 			       LINK_STATUS_LINK_UP |
6513 			       LINK_STATUS_PHYSICAL_LINK_FLAG |
6514 			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
6515 			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
6516 			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6517 			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
6518 			       LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
6519 			       LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
6520 	vars->line_speed = 0;
6521 	bnx2x_update_mng(params, vars->link_status);
6522 
6523 	/* Activate nig drain */
6524 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6525 
6526 	/* Disable emac */
6527 	if (!CHIP_IS_E3(bp))
6528 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6529 
6530 	usleep_range(10000, 20000);
6531 	/* Reset BigMac/Xmac */
6532 	if (CHIP_IS_E1x(bp) ||
6533 	    CHIP_IS_E2(bp)) {
6534 		bnx2x_bmac_rx_disable(bp, params->port);
6535 		REG_WR(bp, GRCBASE_MISC +
6536 		       MISC_REGISTERS_RESET_REG_2_CLEAR,
6537 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6538 	}
6539 	if (CHIP_IS_E3(bp)) {
6540 		/* Prevent LPI Generation by chip */
6541 		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6542 		       0);
6543 		REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
6544 		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6545 		       0);
6546 		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6547 				      SHMEM_EEE_ACTIVE_BIT);
6548 
6549 		bnx2x_update_mng_eee(params, vars->eee_status);
6550 		bnx2x_xmac_disable(params);
6551 		bnx2x_umac_disable(params);
6552 	}
6553 
6554 	return 0;
6555 }
6556 
6557 static int bnx2x_update_link_up(struct link_params *params,
6558 				struct link_vars *vars,
6559 				u8 link_10g)
6560 {
6561 	struct bnx2x *bp = params->bp;
6562 	u8 phy_idx, port = params->port;
6563 	int rc = 0;
6564 
6565 	vars->link_status |= (LINK_STATUS_LINK_UP |
6566 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6567 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6568 
6569 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6570 		vars->link_status |=
6571 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6572 
6573 	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6574 		vars->link_status |=
6575 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6576 	if (USES_WARPCORE(bp)) {
6577 		if (link_10g) {
6578 			if (bnx2x_xmac_enable(params, vars, 0) ==
6579 			    -ESRCH) {
6580 				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6581 				vars->link_up = 0;
6582 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6583 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6584 			}
6585 		} else
6586 			bnx2x_umac_enable(params, vars, 0);
6587 		bnx2x_set_led(params, vars,
6588 			      LED_MODE_OPER, vars->line_speed);
6589 
6590 		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6591 		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6592 			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6593 			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6594 			       (params->port << 2), 1);
6595 			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6596 			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6597 			       (params->port << 2), 0xfc20);
6598 		}
6599 	}
6600 	if ((CHIP_IS_E1x(bp) ||
6601 	     CHIP_IS_E2(bp))) {
6602 		if (link_10g) {
6603 			if (bnx2x_bmac_enable(params, vars, 0) ==
6604 			    -ESRCH) {
6605 				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6606 				vars->link_up = 0;
6607 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6608 				vars->link_status &= ~LINK_STATUS_LINK_UP;
6609 			}
6610 
6611 			bnx2x_set_led(params, vars,
6612 				      LED_MODE_OPER, SPEED_10000);
6613 		} else {
6614 			rc = bnx2x_emac_program(params, vars);
6615 			bnx2x_emac_enable(params, vars, 0);
6616 
6617 			/* AN complete? */
6618 			if ((vars->link_status &
6619 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6620 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6621 			    SINGLE_MEDIA_DIRECT(params))
6622 				bnx2x_set_gmii_tx_driver(params);
6623 		}
6624 	}
6625 
6626 	/* PBF - link up */
6627 	if (CHIP_IS_E1x(bp))
6628 		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6629 				       vars->line_speed);
6630 
6631 	/* Disable drain */
6632 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6633 
6634 	/* Update shared memory */
6635 	bnx2x_update_mng(params, vars->link_status);
6636 	bnx2x_update_mng_eee(params, vars->eee_status);
6637 	/* Check remote fault */
6638 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6639 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6640 			bnx2x_check_half_open_conn(params, vars, 0);
6641 			break;
6642 		}
6643 	}
6644 	msleep(20);
6645 	return rc;
6646 }
6647 /* The bnx2x_link_update function should be called upon link
6648  * interrupt.
6649  * Link is considered up as follows:
6650  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6651  *   to be up
6652  * - SINGLE_MEDIA - The link between the 577xx and the external
6653  *   phy (XGXS) need to up as well as the external link of the
6654  *   phy (PHY_EXT1)
6655  * - DUAL_MEDIA - The link between the 577xx and the first
6656  *   external phy needs to be up, and at least one of the 2
6657  *   external phy link must be up.
6658  */
6659 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6660 {
6661 	struct bnx2x *bp = params->bp;
6662 	struct link_vars phy_vars[MAX_PHYS];
6663 	u8 port = params->port;
6664 	u8 link_10g_plus, phy_index;
6665 	u8 ext_phy_link_up = 0, cur_link_up;
6666 	int rc = 0;
6667 	u8 is_mi_int = 0;
6668 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6669 	u8 active_external_phy = INT_PHY;
6670 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6671 	for (phy_index = INT_PHY; phy_index < params->num_phys;
6672 	      phy_index++) {
6673 		phy_vars[phy_index].flow_ctrl = 0;
6674 		phy_vars[phy_index].link_status = 0;
6675 		phy_vars[phy_index].line_speed = 0;
6676 		phy_vars[phy_index].duplex = DUPLEX_FULL;
6677 		phy_vars[phy_index].phy_link_up = 0;
6678 		phy_vars[phy_index].link_up = 0;
6679 		phy_vars[phy_index].fault_detected = 0;
6680 		/* different consideration, since vars holds inner state */
6681 		phy_vars[phy_index].eee_status = vars->eee_status;
6682 	}
6683 
6684 	if (USES_WARPCORE(bp))
6685 		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6686 
6687 	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6688 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6689 		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6690 
6691 	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6692 				port*0x18) > 0);
6693 	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6694 		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6695 		 is_mi_int,
6696 		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6697 
6698 	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6699 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6700 	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6701 
6702 	/* Disable emac */
6703 	if (!CHIP_IS_E3(bp))
6704 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6705 
6706 	/* Step 1:
6707 	 * Check external link change only for external phys, and apply
6708 	 * priority selection between them in case the link on both phys
6709 	 * is up. Note that instead of the common vars, a temporary
6710 	 * vars argument is used since each phy may have different link/
6711 	 * speed/duplex result
6712 	 */
6713 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6714 	      phy_index++) {
6715 		struct bnx2x_phy *phy = &params->phy[phy_index];
6716 		if (!phy->read_status)
6717 			continue;
6718 		/* Read link status and params of this ext phy */
6719 		cur_link_up = phy->read_status(phy, params,
6720 					       &phy_vars[phy_index]);
6721 		if (cur_link_up) {
6722 			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6723 				   phy_index);
6724 		} else {
6725 			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6726 				   phy_index);
6727 			continue;
6728 		}
6729 
6730 		if (!ext_phy_link_up) {
6731 			ext_phy_link_up = 1;
6732 			active_external_phy = phy_index;
6733 		} else {
6734 			switch (bnx2x_phy_selection(params)) {
6735 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6736 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6737 			/* In this option, the first PHY makes sure to pass the
6738 			 * traffic through itself only.
6739 			 * Its not clear how to reset the link on the second phy
6740 			 */
6741 				active_external_phy = EXT_PHY1;
6742 				break;
6743 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6744 			/* In this option, the first PHY makes sure to pass the
6745 			 * traffic through the second PHY.
6746 			 */
6747 				active_external_phy = EXT_PHY2;
6748 				break;
6749 			default:
6750 			/* Link indication on both PHYs with the following cases
6751 			 * is invalid:
6752 			 * - FIRST_PHY means that second phy wasn't initialized,
6753 			 * hence its link is expected to be down
6754 			 * - SECOND_PHY means that first phy should not be able
6755 			 * to link up by itself (using configuration)
6756 			 * - DEFAULT should be overriden during initialiazation
6757 			 */
6758 				DP(NETIF_MSG_LINK, "Invalid link indication"
6759 					   "mpc=0x%x. DISABLING LINK !!!\n",
6760 					   params->multi_phy_config);
6761 				ext_phy_link_up = 0;
6762 				break;
6763 			}
6764 		}
6765 	}
6766 	prev_line_speed = vars->line_speed;
6767 	/* Step 2:
6768 	 * Read the status of the internal phy. In case of
6769 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6770 	 * otherwise this is the link between the 577xx and the first
6771 	 * external phy
6772 	 */
6773 	if (params->phy[INT_PHY].read_status)
6774 		params->phy[INT_PHY].read_status(
6775 			&params->phy[INT_PHY],
6776 			params, vars);
6777 	/* The INT_PHY flow control reside in the vars. This include the
6778 	 * case where the speed or flow control are not set to AUTO.
6779 	 * Otherwise, the active external phy flow control result is set
6780 	 * to the vars. The ext_phy_line_speed is needed to check if the
6781 	 * speed is different between the internal phy and external phy.
6782 	 * This case may be result of intermediate link speed change.
6783 	 */
6784 	if (active_external_phy > INT_PHY) {
6785 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6786 		/* Link speed is taken from the XGXS. AN and FC result from
6787 		 * the external phy.
6788 		 */
6789 		vars->link_status |= phy_vars[active_external_phy].link_status;
6790 
6791 		/* if active_external_phy is first PHY and link is up - disable
6792 		 * disable TX on second external PHY
6793 		 */
6794 		if (active_external_phy == EXT_PHY1) {
6795 			if (params->phy[EXT_PHY2].phy_specific_func) {
6796 				DP(NETIF_MSG_LINK,
6797 				   "Disabling TX on EXT_PHY2\n");
6798 				params->phy[EXT_PHY2].phy_specific_func(
6799 					&params->phy[EXT_PHY2],
6800 					params, DISABLE_TX);
6801 			}
6802 		}
6803 
6804 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6805 		vars->duplex = phy_vars[active_external_phy].duplex;
6806 		if (params->phy[active_external_phy].supported &
6807 		    SUPPORTED_FIBRE)
6808 			vars->link_status |= LINK_STATUS_SERDES_LINK;
6809 		else
6810 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6811 
6812 		vars->eee_status = phy_vars[active_external_phy].eee_status;
6813 
6814 		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6815 			   active_external_phy);
6816 	}
6817 
6818 	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6819 	      phy_index++) {
6820 		if (params->phy[phy_index].flags &
6821 		    FLAGS_REARM_LATCH_SIGNAL) {
6822 			bnx2x_rearm_latch_signal(bp, port,
6823 						 phy_index ==
6824 						 active_external_phy);
6825 			break;
6826 		}
6827 	}
6828 	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6829 		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6830 		   vars->link_status, ext_phy_line_speed);
6831 	/* Upon link speed change set the NIG into drain mode. Comes to
6832 	 * deals with possible FIFO glitch due to clk change when speed
6833 	 * is decreased without link down indicator
6834 	 */
6835 
6836 	if (vars->phy_link_up) {
6837 		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6838 		    (ext_phy_line_speed != vars->line_speed)) {
6839 			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6840 				   " different than the external"
6841 				   " link speed %d\n", vars->line_speed,
6842 				   ext_phy_line_speed);
6843 			vars->phy_link_up = 0;
6844 		} else if (prev_line_speed != vars->line_speed) {
6845 			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6846 			       0);
6847 			 usleep_range(1000, 2000);
6848 		}
6849 	}
6850 
6851 	/* Anything 10 and over uses the bmac */
6852 	link_10g_plus = (vars->line_speed >= SPEED_10000);
6853 
6854 	bnx2x_link_int_ack(params, vars, link_10g_plus);
6855 
6856 	/* In case external phy link is up, and internal link is down
6857 	 * (not initialized yet probably after link initialization, it
6858 	 * needs to be initialized.
6859 	 * Note that after link down-up as result of cable plug, the xgxs
6860 	 * link would probably become up again without the need
6861 	 * initialize it
6862 	 */
6863 	if (!(SINGLE_MEDIA_DIRECT(params))) {
6864 		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6865 			   " init_preceding = %d\n", ext_phy_link_up,
6866 			   vars->phy_link_up,
6867 			   params->phy[EXT_PHY1].flags &
6868 			   FLAGS_INIT_XGXS_FIRST);
6869 		if (!(params->phy[EXT_PHY1].flags &
6870 		      FLAGS_INIT_XGXS_FIRST)
6871 		    && ext_phy_link_up && !vars->phy_link_up) {
6872 			vars->line_speed = ext_phy_line_speed;
6873 			if (vars->line_speed < SPEED_1000)
6874 				vars->phy_flags |= PHY_SGMII_FLAG;
6875 			else
6876 				vars->phy_flags &= ~PHY_SGMII_FLAG;
6877 
6878 			if (params->phy[INT_PHY].config_init)
6879 				params->phy[INT_PHY].config_init(
6880 					&params->phy[INT_PHY], params,
6881 						vars);
6882 		}
6883 	}
6884 	/* Link is up only if both local phy and external phy (in case of
6885 	 * non-direct board) are up and no fault detected on active PHY.
6886 	 */
6887 	vars->link_up = (vars->phy_link_up &&
6888 			 (ext_phy_link_up ||
6889 			  SINGLE_MEDIA_DIRECT(params)) &&
6890 			 (phy_vars[active_external_phy].fault_detected == 0));
6891 
6892 	/* Update the PFC configuration in case it was changed */
6893 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6894 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
6895 	else
6896 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6897 
6898 	if (vars->link_up)
6899 		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6900 	else
6901 		rc = bnx2x_update_link_down(params, vars);
6902 
6903 	/* Update MCP link status was changed */
6904 	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6905 		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6906 
6907 	return rc;
6908 }
6909 
6910 /*****************************************************************************/
6911 /*			    External Phy section			     */
6912 /*****************************************************************************/
6913 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
6914 {
6915 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6916 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6917 	 usleep_range(1000, 2000);
6918 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6919 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
6920 }
6921 
6922 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
6923 				      u32 spirom_ver, u32 ver_addr)
6924 {
6925 	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
6926 		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
6927 
6928 	if (ver_addr)
6929 		REG_WR(bp, ver_addr, spirom_ver);
6930 }
6931 
6932 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
6933 				      struct bnx2x_phy *phy,
6934 				      u8 port)
6935 {
6936 	u16 fw_ver1, fw_ver2;
6937 
6938 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6939 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6940 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
6941 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
6942 	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
6943 				  phy->ver_addr);
6944 }
6945 
6946 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
6947 				       struct bnx2x_phy *phy,
6948 				       struct link_vars *vars)
6949 {
6950 	u16 val;
6951 	bnx2x_cl45_read(bp, phy,
6952 			MDIO_AN_DEVAD,
6953 			MDIO_AN_REG_STATUS, &val);
6954 	bnx2x_cl45_read(bp, phy,
6955 			MDIO_AN_DEVAD,
6956 			MDIO_AN_REG_STATUS, &val);
6957 	if (val & (1<<5))
6958 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6959 	if ((val & (1<<0)) == 0)
6960 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
6961 }
6962 
6963 /******************************************************************/
6964 /*		common BCM8073/BCM8727 PHY SECTION		  */
6965 /******************************************************************/
6966 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
6967 				  struct link_params *params,
6968 				  struct link_vars *vars)
6969 {
6970 	struct bnx2x *bp = params->bp;
6971 	if (phy->req_line_speed == SPEED_10 ||
6972 	    phy->req_line_speed == SPEED_100) {
6973 		vars->flow_ctrl = phy->req_flow_ctrl;
6974 		return;
6975 	}
6976 
6977 	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
6978 	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
6979 		u16 pause_result;
6980 		u16 ld_pause;		/* local */
6981 		u16 lp_pause;		/* link partner */
6982 		bnx2x_cl45_read(bp, phy,
6983 				MDIO_AN_DEVAD,
6984 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
6985 
6986 		bnx2x_cl45_read(bp, phy,
6987 				MDIO_AN_DEVAD,
6988 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
6989 		pause_result = (ld_pause &
6990 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
6991 		pause_result |= (lp_pause &
6992 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
6993 
6994 		bnx2x_pause_resolve(vars, pause_result);
6995 		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
6996 			   pause_result);
6997 	}
6998 }
6999 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7000 					     struct bnx2x_phy *phy,
7001 					     u8 port)
7002 {
7003 	u32 count = 0;
7004 	u16 fw_ver1, fw_msgout;
7005 	int rc = 0;
7006 
7007 	/* Boot port from external ROM  */
7008 	/* EDC grst */
7009 	bnx2x_cl45_write(bp, phy,
7010 			 MDIO_PMA_DEVAD,
7011 			 MDIO_PMA_REG_GEN_CTRL,
7012 			 0x0001);
7013 
7014 	/* Ucode reboot and rst */
7015 	bnx2x_cl45_write(bp, phy,
7016 			 MDIO_PMA_DEVAD,
7017 			 MDIO_PMA_REG_GEN_CTRL,
7018 			 0x008c);
7019 
7020 	bnx2x_cl45_write(bp, phy,
7021 			 MDIO_PMA_DEVAD,
7022 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7023 
7024 	/* Reset internal microprocessor */
7025 	bnx2x_cl45_write(bp, phy,
7026 			 MDIO_PMA_DEVAD,
7027 			 MDIO_PMA_REG_GEN_CTRL,
7028 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7029 
7030 	/* Release srst bit */
7031 	bnx2x_cl45_write(bp, phy,
7032 			 MDIO_PMA_DEVAD,
7033 			 MDIO_PMA_REG_GEN_CTRL,
7034 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7035 
7036 	/* Delay 100ms per the PHY specifications */
7037 	msleep(100);
7038 
7039 	/* 8073 sometimes taking longer to download */
7040 	do {
7041 		count++;
7042 		if (count > 300) {
7043 			DP(NETIF_MSG_LINK,
7044 				 "bnx2x_8073_8727_external_rom_boot port %x:"
7045 				 "Download failed. fw version = 0x%x\n",
7046 				 port, fw_ver1);
7047 			rc = -EINVAL;
7048 			break;
7049 		}
7050 
7051 		bnx2x_cl45_read(bp, phy,
7052 				MDIO_PMA_DEVAD,
7053 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7054 		bnx2x_cl45_read(bp, phy,
7055 				MDIO_PMA_DEVAD,
7056 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7057 
7058 		 usleep_range(1000, 2000);
7059 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7060 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7061 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7062 
7063 	/* Clear ser_boot_ctl bit */
7064 	bnx2x_cl45_write(bp, phy,
7065 			 MDIO_PMA_DEVAD,
7066 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7067 	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7068 
7069 	DP(NETIF_MSG_LINK,
7070 		 "bnx2x_8073_8727_external_rom_boot port %x:"
7071 		 "Download complete. fw version = 0x%x\n",
7072 		 port, fw_ver1);
7073 
7074 	return rc;
7075 }
7076 
7077 /******************************************************************/
7078 /*			BCM8073 PHY SECTION			  */
7079 /******************************************************************/
7080 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7081 {
7082 	/* This is only required for 8073A1, version 102 only */
7083 	u16 val;
7084 
7085 	/* Read 8073 HW revision*/
7086 	bnx2x_cl45_read(bp, phy,
7087 			MDIO_PMA_DEVAD,
7088 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7089 
7090 	if (val != 1) {
7091 		/* No need to workaround in 8073 A1 */
7092 		return 0;
7093 	}
7094 
7095 	bnx2x_cl45_read(bp, phy,
7096 			MDIO_PMA_DEVAD,
7097 			MDIO_PMA_REG_ROM_VER2, &val);
7098 
7099 	/* SNR should be applied only for version 0x102 */
7100 	if (val != 0x102)
7101 		return 0;
7102 
7103 	return 1;
7104 }
7105 
7106 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7107 {
7108 	u16 val, cnt, cnt1 ;
7109 
7110 	bnx2x_cl45_read(bp, phy,
7111 			MDIO_PMA_DEVAD,
7112 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7113 
7114 	if (val > 0) {
7115 		/* No need to workaround in 8073 A1 */
7116 		return 0;
7117 	}
7118 	/* XAUI workaround in 8073 A0: */
7119 
7120 	/* After loading the boot ROM and restarting Autoneg, poll
7121 	 * Dev1, Reg $C820:
7122 	 */
7123 
7124 	for (cnt = 0; cnt < 1000; cnt++) {
7125 		bnx2x_cl45_read(bp, phy,
7126 				MDIO_PMA_DEVAD,
7127 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7128 				&val);
7129 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7130 		   * system initialization (XAUI work-around not required, as
7131 		   * these bits indicate 2.5G or 1G link up).
7132 		   */
7133 		if (!(val & (1<<14)) || !(val & (1<<13))) {
7134 			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7135 			return 0;
7136 		} else if (!(val & (1<<15))) {
7137 			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7138 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7139 			 * MSB (bit15) goes to 1 (indicating that the XAUI
7140 			 * workaround has completed), then continue on with
7141 			 * system initialization.
7142 			 */
7143 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7144 				bnx2x_cl45_read(bp, phy,
7145 					MDIO_PMA_DEVAD,
7146 					MDIO_PMA_REG_8073_XAUI_WA, &val);
7147 				if (val & (1<<15)) {
7148 					DP(NETIF_MSG_LINK,
7149 					  "XAUI workaround has completed\n");
7150 					return 0;
7151 				 }
7152 				 usleep_range(3000, 6000);
7153 			}
7154 			break;
7155 		}
7156 		usleep_range(3000, 6000);
7157 	}
7158 	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7159 	return -EINVAL;
7160 }
7161 
7162 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7163 {
7164 	/* Force KR or KX */
7165 	bnx2x_cl45_write(bp, phy,
7166 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7167 	bnx2x_cl45_write(bp, phy,
7168 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7169 	bnx2x_cl45_write(bp, phy,
7170 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7171 	bnx2x_cl45_write(bp, phy,
7172 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7173 }
7174 
7175 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7176 				      struct bnx2x_phy *phy,
7177 				      struct link_vars *vars)
7178 {
7179 	u16 cl37_val;
7180 	struct bnx2x *bp = params->bp;
7181 	bnx2x_cl45_read(bp, phy,
7182 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7183 
7184 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7185 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7186 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7187 	if ((vars->ieee_fc &
7188 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7189 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7190 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7191 	}
7192 	if ((vars->ieee_fc &
7193 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7194 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7195 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7196 	}
7197 	if ((vars->ieee_fc &
7198 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7199 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7200 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7201 	}
7202 	DP(NETIF_MSG_LINK,
7203 		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7204 
7205 	bnx2x_cl45_write(bp, phy,
7206 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7207 	msleep(500);
7208 }
7209 
7210 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7211 				  struct link_params *params,
7212 				  struct link_vars *vars)
7213 {
7214 	struct bnx2x *bp = params->bp;
7215 	u16 val = 0, tmp1;
7216 	u8 gpio_port;
7217 	DP(NETIF_MSG_LINK, "Init 8073\n");
7218 
7219 	if (CHIP_IS_E2(bp))
7220 		gpio_port = BP_PATH(bp);
7221 	else
7222 		gpio_port = params->port;
7223 	/* Restore normal power mode*/
7224 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7225 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7226 
7227 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7228 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7229 
7230 	/* Enable LASI */
7231 	bnx2x_cl45_write(bp, phy,
7232 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7233 	bnx2x_cl45_write(bp, phy,
7234 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7235 
7236 	bnx2x_8073_set_pause_cl37(params, phy, vars);
7237 
7238 	bnx2x_cl45_read(bp, phy,
7239 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7240 
7241 	bnx2x_cl45_read(bp, phy,
7242 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7243 
7244 	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7245 
7246 	/* Swap polarity if required - Must be done only in non-1G mode */
7247 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7248 		/* Configure the 8073 to swap _P and _N of the KR lines */
7249 		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7250 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7251 		bnx2x_cl45_read(bp, phy,
7252 				MDIO_PMA_DEVAD,
7253 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7254 		bnx2x_cl45_write(bp, phy,
7255 				 MDIO_PMA_DEVAD,
7256 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7257 				 (val | (3<<9)));
7258 	}
7259 
7260 
7261 	/* Enable CL37 BAM */
7262 	if (REG_RD(bp, params->shmem_base +
7263 			 offsetof(struct shmem_region, dev_info.
7264 				  port_hw_config[params->port].default_cfg)) &
7265 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7266 
7267 		bnx2x_cl45_read(bp, phy,
7268 				MDIO_AN_DEVAD,
7269 				MDIO_AN_REG_8073_BAM, &val);
7270 		bnx2x_cl45_write(bp, phy,
7271 				 MDIO_AN_DEVAD,
7272 				 MDIO_AN_REG_8073_BAM, val | 1);
7273 		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7274 	}
7275 	if (params->loopback_mode == LOOPBACK_EXT) {
7276 		bnx2x_807x_force_10G(bp, phy);
7277 		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7278 		return 0;
7279 	} else {
7280 		bnx2x_cl45_write(bp, phy,
7281 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7282 	}
7283 	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7284 		if (phy->req_line_speed == SPEED_10000) {
7285 			val = (1<<7);
7286 		} else if (phy->req_line_speed ==  SPEED_2500) {
7287 			val = (1<<5);
7288 			/* Note that 2.5G works only when used with 1G
7289 			 * advertisement
7290 			 */
7291 		} else
7292 			val = (1<<5);
7293 	} else {
7294 		val = 0;
7295 		if (phy->speed_cap_mask &
7296 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7297 			val |= (1<<7);
7298 
7299 		/* Note that 2.5G works only when used with 1G advertisement */
7300 		if (phy->speed_cap_mask &
7301 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7302 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7303 			val |= (1<<5);
7304 		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7305 	}
7306 
7307 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7308 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7309 
7310 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7311 	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7312 	    (phy->req_line_speed == SPEED_2500)) {
7313 		u16 phy_ver;
7314 		/* Allow 2.5G for A1 and above */
7315 		bnx2x_cl45_read(bp, phy,
7316 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7317 				&phy_ver);
7318 		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7319 		if (phy_ver > 0)
7320 			tmp1 |= 1;
7321 		else
7322 			tmp1 &= 0xfffe;
7323 	} else {
7324 		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7325 		tmp1 &= 0xfffe;
7326 	}
7327 
7328 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7329 	/* Add support for CL37 (passive mode) II */
7330 
7331 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7332 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7333 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7334 				  0x20 : 0x40)));
7335 
7336 	/* Add support for CL37 (passive mode) III */
7337 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7338 
7339 	/* The SNR will improve about 2db by changing BW and FEE main
7340 	 * tap. Rest commands are executed after link is up
7341 	 * Change FFE main cursor to 5 in EDC register
7342 	 */
7343 	if (bnx2x_8073_is_snr_needed(bp, phy))
7344 		bnx2x_cl45_write(bp, phy,
7345 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7346 				 0xFB0C);
7347 
7348 	/* Enable FEC (Forware Error Correction) Request in the AN */
7349 	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7350 	tmp1 |= (1<<15);
7351 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7352 
7353 	bnx2x_ext_phy_set_pause(params, phy, vars);
7354 
7355 	/* Restart autoneg */
7356 	msleep(500);
7357 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7358 	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7359 		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7360 	return 0;
7361 }
7362 
7363 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7364 				 struct link_params *params,
7365 				 struct link_vars *vars)
7366 {
7367 	struct bnx2x *bp = params->bp;
7368 	u8 link_up = 0;
7369 	u16 val1, val2;
7370 	u16 link_status = 0;
7371 	u16 an1000_status = 0;
7372 
7373 	bnx2x_cl45_read(bp, phy,
7374 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7375 
7376 	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7377 
7378 	/* Clear the interrupt LASI status register */
7379 	bnx2x_cl45_read(bp, phy,
7380 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7381 	bnx2x_cl45_read(bp, phy,
7382 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7383 	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7384 	/* Clear MSG-OUT */
7385 	bnx2x_cl45_read(bp, phy,
7386 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7387 
7388 	/* Check the LASI */
7389 	bnx2x_cl45_read(bp, phy,
7390 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7391 
7392 	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7393 
7394 	/* Check the link status */
7395 	bnx2x_cl45_read(bp, phy,
7396 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7397 	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7398 
7399 	bnx2x_cl45_read(bp, phy,
7400 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7401 	bnx2x_cl45_read(bp, phy,
7402 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7403 	link_up = ((val1 & 4) == 4);
7404 	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7405 
7406 	if (link_up &&
7407 	     ((phy->req_line_speed != SPEED_10000))) {
7408 		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7409 			return 0;
7410 	}
7411 	bnx2x_cl45_read(bp, phy,
7412 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7413 	bnx2x_cl45_read(bp, phy,
7414 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7415 
7416 	/* Check the link status on 1.1.2 */
7417 	bnx2x_cl45_read(bp, phy,
7418 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7419 	bnx2x_cl45_read(bp, phy,
7420 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7421 	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7422 		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7423 
7424 	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7425 	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7426 		/* The SNR will improve about 2dbby changing the BW and FEE main
7427 		 * tap. The 1st write to change FFE main tap is set before
7428 		 * restart AN. Change PLL Bandwidth in EDC register
7429 		 */
7430 		bnx2x_cl45_write(bp, phy,
7431 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7432 				 0x26BC);
7433 
7434 		/* Change CDR Bandwidth in EDC register */
7435 		bnx2x_cl45_write(bp, phy,
7436 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7437 				 0x0333);
7438 	}
7439 	bnx2x_cl45_read(bp, phy,
7440 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7441 			&link_status);
7442 
7443 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7444 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7445 		link_up = 1;
7446 		vars->line_speed = SPEED_10000;
7447 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7448 			   params->port);
7449 	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7450 		link_up = 1;
7451 		vars->line_speed = SPEED_2500;
7452 		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7453 			   params->port);
7454 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7455 		link_up = 1;
7456 		vars->line_speed = SPEED_1000;
7457 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7458 			   params->port);
7459 	} else {
7460 		link_up = 0;
7461 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7462 			   params->port);
7463 	}
7464 
7465 	if (link_up) {
7466 		/* Swap polarity if required */
7467 		if (params->lane_config &
7468 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7469 			/* Configure the 8073 to swap P and N of the KR lines */
7470 			bnx2x_cl45_read(bp, phy,
7471 					MDIO_XS_DEVAD,
7472 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7473 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7474 			 * when it`s in 10G mode.
7475 			 */
7476 			if (vars->line_speed == SPEED_1000) {
7477 				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7478 					      "the 8073\n");
7479 				val1 |= (1<<3);
7480 			} else
7481 				val1 &= ~(1<<3);
7482 
7483 			bnx2x_cl45_write(bp, phy,
7484 					 MDIO_XS_DEVAD,
7485 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7486 					 val1);
7487 		}
7488 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7489 		bnx2x_8073_resolve_fc(phy, params, vars);
7490 		vars->duplex = DUPLEX_FULL;
7491 	}
7492 
7493 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7494 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7495 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7496 
7497 		if (val1 & (1<<5))
7498 			vars->link_status |=
7499 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7500 		if (val1 & (1<<7))
7501 			vars->link_status |=
7502 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7503 	}
7504 
7505 	return link_up;
7506 }
7507 
7508 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7509 				  struct link_params *params)
7510 {
7511 	struct bnx2x *bp = params->bp;
7512 	u8 gpio_port;
7513 	if (CHIP_IS_E2(bp))
7514 		gpio_port = BP_PATH(bp);
7515 	else
7516 		gpio_port = params->port;
7517 	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7518 	   gpio_port);
7519 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7520 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7521 		       gpio_port);
7522 }
7523 
7524 /******************************************************************/
7525 /*			BCM8705 PHY SECTION			  */
7526 /******************************************************************/
7527 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7528 				  struct link_params *params,
7529 				  struct link_vars *vars)
7530 {
7531 	struct bnx2x *bp = params->bp;
7532 	DP(NETIF_MSG_LINK, "init 8705\n");
7533 	/* Restore normal power mode*/
7534 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7535 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7536 	/* HW reset */
7537 	bnx2x_ext_phy_hw_reset(bp, params->port);
7538 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7539 	bnx2x_wait_reset_complete(bp, phy, params);
7540 
7541 	bnx2x_cl45_write(bp, phy,
7542 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7543 	bnx2x_cl45_write(bp, phy,
7544 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7545 	bnx2x_cl45_write(bp, phy,
7546 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7547 	bnx2x_cl45_write(bp, phy,
7548 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7549 	/* BCM8705 doesn't have microcode, hence the 0 */
7550 	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7551 	return 0;
7552 }
7553 
7554 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7555 				 struct link_params *params,
7556 				 struct link_vars *vars)
7557 {
7558 	u8 link_up = 0;
7559 	u16 val1, rx_sd;
7560 	struct bnx2x *bp = params->bp;
7561 	DP(NETIF_MSG_LINK, "read status 8705\n");
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_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7568 	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7569 
7570 	bnx2x_cl45_read(bp, phy,
7571 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7572 
7573 	bnx2x_cl45_read(bp, phy,
7574 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7575 	bnx2x_cl45_read(bp, phy,
7576 		      MDIO_PMA_DEVAD, 0xc809, &val1);
7577 
7578 	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7579 	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7580 	if (link_up) {
7581 		vars->line_speed = SPEED_10000;
7582 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7583 	}
7584 	return link_up;
7585 }
7586 
7587 /******************************************************************/
7588 /*			SFP+ module Section			  */
7589 /******************************************************************/
7590 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7591 					   struct bnx2x_phy *phy,
7592 					   u8 pmd_dis)
7593 {
7594 	struct bnx2x *bp = params->bp;
7595 	/* Disable transmitter only for bootcodes which can enable it afterwards
7596 	 * (for D3 link)
7597 	 */
7598 	if (pmd_dis) {
7599 		if (params->feature_config_flags &
7600 		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7601 			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7602 		else {
7603 			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7604 			return;
7605 		}
7606 	} else
7607 		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7608 	bnx2x_cl45_write(bp, phy,
7609 			 MDIO_PMA_DEVAD,
7610 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7611 }
7612 
7613 static u8 bnx2x_get_gpio_port(struct link_params *params)
7614 {
7615 	u8 gpio_port;
7616 	u32 swap_val, swap_override;
7617 	struct bnx2x *bp = params->bp;
7618 	if (CHIP_IS_E2(bp))
7619 		gpio_port = BP_PATH(bp);
7620 	else
7621 		gpio_port = params->port;
7622 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7623 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7624 	return gpio_port ^ (swap_val && swap_override);
7625 }
7626 
7627 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7628 					   struct bnx2x_phy *phy,
7629 					   u8 tx_en)
7630 {
7631 	u16 val;
7632 	u8 port = params->port;
7633 	struct bnx2x *bp = params->bp;
7634 	u32 tx_en_mode;
7635 
7636 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7637 	tx_en_mode = REG_RD(bp, params->shmem_base +
7638 			    offsetof(struct shmem_region,
7639 				     dev_info.port_hw_config[port].sfp_ctrl)) &
7640 		PORT_HW_CFG_TX_LASER_MASK;
7641 	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7642 			   "mode = %x\n", tx_en, port, tx_en_mode);
7643 	switch (tx_en_mode) {
7644 	case PORT_HW_CFG_TX_LASER_MDIO:
7645 
7646 		bnx2x_cl45_read(bp, phy,
7647 				MDIO_PMA_DEVAD,
7648 				MDIO_PMA_REG_PHY_IDENTIFIER,
7649 				&val);
7650 
7651 		if (tx_en)
7652 			val &= ~(1<<15);
7653 		else
7654 			val |= (1<<15);
7655 
7656 		bnx2x_cl45_write(bp, phy,
7657 				 MDIO_PMA_DEVAD,
7658 				 MDIO_PMA_REG_PHY_IDENTIFIER,
7659 				 val);
7660 	break;
7661 	case PORT_HW_CFG_TX_LASER_GPIO0:
7662 	case PORT_HW_CFG_TX_LASER_GPIO1:
7663 	case PORT_HW_CFG_TX_LASER_GPIO2:
7664 	case PORT_HW_CFG_TX_LASER_GPIO3:
7665 	{
7666 		u16 gpio_pin;
7667 		u8 gpio_port, gpio_mode;
7668 		if (tx_en)
7669 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7670 		else
7671 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7672 
7673 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7674 		gpio_port = bnx2x_get_gpio_port(params);
7675 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7676 		break;
7677 	}
7678 	default:
7679 		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7680 		break;
7681 	}
7682 }
7683 
7684 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7685 				      struct bnx2x_phy *phy,
7686 				      u8 tx_en)
7687 {
7688 	struct bnx2x *bp = params->bp;
7689 	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7690 	if (CHIP_IS_E3(bp))
7691 		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7692 	else
7693 		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7694 }
7695 
7696 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7697 					     struct link_params *params,
7698 					     u16 addr, u8 byte_cnt, u8 *o_buf)
7699 {
7700 	struct bnx2x *bp = params->bp;
7701 	u16 val = 0;
7702 	u16 i;
7703 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7704 		DP(NETIF_MSG_LINK,
7705 		   "Reading from eeprom is limited to 0xf\n");
7706 		return -EINVAL;
7707 	}
7708 	/* Set the read command byte count */
7709 	bnx2x_cl45_write(bp, phy,
7710 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7711 			 (byte_cnt | 0xa000));
7712 
7713 	/* Set the read command address */
7714 	bnx2x_cl45_write(bp, phy,
7715 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7716 			 addr);
7717 
7718 	/* Activate read command */
7719 	bnx2x_cl45_write(bp, phy,
7720 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7721 			 0x2c0f);
7722 
7723 	/* Wait up to 500us for command complete status */
7724 	for (i = 0; i < 100; i++) {
7725 		bnx2x_cl45_read(bp, phy,
7726 				MDIO_PMA_DEVAD,
7727 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7728 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7729 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7730 			break;
7731 		udelay(5);
7732 	}
7733 
7734 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7735 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7736 		DP(NETIF_MSG_LINK,
7737 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7738 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7739 		return -EINVAL;
7740 	}
7741 
7742 	/* Read the buffer */
7743 	for (i = 0; i < byte_cnt; i++) {
7744 		bnx2x_cl45_read(bp, phy,
7745 				MDIO_PMA_DEVAD,
7746 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7747 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7748 	}
7749 
7750 	for (i = 0; i < 100; i++) {
7751 		bnx2x_cl45_read(bp, phy,
7752 				MDIO_PMA_DEVAD,
7753 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7754 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7755 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7756 			return 0;
7757 		 usleep_range(1000, 2000);
7758 	}
7759 	return -EINVAL;
7760 }
7761 
7762 static void bnx2x_warpcore_power_module(struct link_params *params,
7763 					struct bnx2x_phy *phy,
7764 					u8 power)
7765 {
7766 	u32 pin_cfg;
7767 	struct bnx2x *bp = params->bp;
7768 
7769 	pin_cfg = (REG_RD(bp, params->shmem_base +
7770 			  offsetof(struct shmem_region,
7771 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7772 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7773 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7774 
7775 	if (pin_cfg == PIN_CFG_NA)
7776 		return;
7777 	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7778 		       power, pin_cfg);
7779 	/* Low ==> corresponding SFP+ module is powered
7780 	 * high ==> the SFP+ module is powered down
7781 	 */
7782 	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7783 }
7784 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7785 						 struct link_params *params,
7786 						 u16 addr, u8 byte_cnt,
7787 						 u8 *o_buf)
7788 {
7789 	int rc = 0;
7790 	u8 i, j = 0, cnt = 0;
7791 	u32 data_array[4];
7792 	u16 addr32;
7793 	struct bnx2x *bp = params->bp;
7794 
7795 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7796 		DP(NETIF_MSG_LINK,
7797 		   "Reading from eeprom is limited to 16 bytes\n");
7798 		return -EINVAL;
7799 	}
7800 
7801 	/* 4 byte aligned address */
7802 	addr32 = addr & (~0x3);
7803 	do {
7804 		if (cnt == I2C_WA_PWR_ITER) {
7805 			bnx2x_warpcore_power_module(params, phy, 0);
7806 			/* Note that 100us are not enough here */
7807 			usleep_range(1000,1000);
7808 			bnx2x_warpcore_power_module(params, phy, 1);
7809 		}
7810 		rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
7811 				    data_array);
7812 	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7813 
7814 	if (rc == 0) {
7815 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7816 			o_buf[j] = *((u8 *)data_array + i);
7817 			j++;
7818 		}
7819 	}
7820 
7821 	return rc;
7822 }
7823 
7824 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7825 					     struct link_params *params,
7826 					     u16 addr, u8 byte_cnt, u8 *o_buf)
7827 {
7828 	struct bnx2x *bp = params->bp;
7829 	u16 val, i;
7830 
7831 	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7832 		DP(NETIF_MSG_LINK,
7833 		   "Reading from eeprom is limited to 0xf\n");
7834 		return -EINVAL;
7835 	}
7836 
7837 	/* Need to read from 1.8000 to clear it */
7838 	bnx2x_cl45_read(bp, phy,
7839 			MDIO_PMA_DEVAD,
7840 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7841 			&val);
7842 
7843 	/* Set the read command byte count */
7844 	bnx2x_cl45_write(bp, phy,
7845 			 MDIO_PMA_DEVAD,
7846 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7847 			 ((byte_cnt < 2) ? 2 : byte_cnt));
7848 
7849 	/* Set the read command address */
7850 	bnx2x_cl45_write(bp, phy,
7851 			 MDIO_PMA_DEVAD,
7852 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7853 			 addr);
7854 	/* Set the destination address */
7855 	bnx2x_cl45_write(bp, phy,
7856 			 MDIO_PMA_DEVAD,
7857 			 0x8004,
7858 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7859 
7860 	/* Activate read command */
7861 	bnx2x_cl45_write(bp, phy,
7862 			 MDIO_PMA_DEVAD,
7863 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7864 			 0x8002);
7865 	/* Wait appropriate time for two-wire command to finish before
7866 	 * polling the status register
7867 	 */
7868 	 usleep_range(1000, 2000);
7869 
7870 	/* Wait up to 500us for command complete status */
7871 	for (i = 0; i < 100; i++) {
7872 		bnx2x_cl45_read(bp, phy,
7873 				MDIO_PMA_DEVAD,
7874 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7875 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7876 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7877 			break;
7878 		udelay(5);
7879 	}
7880 
7881 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7882 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7883 		DP(NETIF_MSG_LINK,
7884 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7885 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7886 		return -EFAULT;
7887 	}
7888 
7889 	/* Read the buffer */
7890 	for (i = 0; i < byte_cnt; i++) {
7891 		bnx2x_cl45_read(bp, phy,
7892 				MDIO_PMA_DEVAD,
7893 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
7894 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
7895 	}
7896 
7897 	for (i = 0; i < 100; i++) {
7898 		bnx2x_cl45_read(bp, phy,
7899 				MDIO_PMA_DEVAD,
7900 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7901 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7902 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7903 			return 0;
7904 		 usleep_range(1000, 2000);
7905 	}
7906 
7907 	return -EINVAL;
7908 }
7909 
7910 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7911 				 struct link_params *params, u16 addr,
7912 				 u8 byte_cnt, u8 *o_buf)
7913 {
7914 	int rc = -EOPNOTSUPP;
7915 	switch (phy->type) {
7916 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7917 		rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
7918 						       byte_cnt, o_buf);
7919 	break;
7920 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7921 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
7922 		rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
7923 						       byte_cnt, o_buf);
7924 	break;
7925 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7926 		rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7927 							   byte_cnt, o_buf);
7928 	break;
7929 	}
7930 	return rc;
7931 }
7932 
7933 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
7934 			      struct link_params *params,
7935 			      u16 *edc_mode)
7936 {
7937 	struct bnx2x *bp = params->bp;
7938 	u32 sync_offset = 0, phy_idx, media_types;
7939 	u8 val[2], check_limiting_mode = 0;
7940 	*edc_mode = EDC_MODE_LIMITING;
7941 
7942 	phy->media_type = ETH_PHY_UNSPECIFIED;
7943 	/* First check for copper cable */
7944 	if (bnx2x_read_sfp_module_eeprom(phy,
7945 					 params,
7946 					 SFP_EEPROM_CON_TYPE_ADDR,
7947 					 2,
7948 					 (u8 *)val) != 0) {
7949 		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
7950 		return -EINVAL;
7951 	}
7952 
7953 	switch (val[0]) {
7954 	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
7955 	{
7956 		u8 copper_module_type;
7957 		phy->media_type = ETH_PHY_DA_TWINAX;
7958 		/* Check if its active cable (includes SFP+ module)
7959 		 * of passive cable
7960 		 */
7961 		if (bnx2x_read_sfp_module_eeprom(phy,
7962 					       params,
7963 					       SFP_EEPROM_FC_TX_TECH_ADDR,
7964 					       1,
7965 					       &copper_module_type) != 0) {
7966 			DP(NETIF_MSG_LINK,
7967 				"Failed to read copper-cable-type"
7968 				" from SFP+ EEPROM\n");
7969 			return -EINVAL;
7970 		}
7971 
7972 		if (copper_module_type &
7973 		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
7974 			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
7975 			check_limiting_mode = 1;
7976 		} else if (copper_module_type &
7977 			SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
7978 				DP(NETIF_MSG_LINK,
7979 				   "Passive Copper cable detected\n");
7980 				*edc_mode =
7981 				      EDC_MODE_PASSIVE_DAC;
7982 		} else {
7983 			DP(NETIF_MSG_LINK,
7984 			   "Unknown copper-cable-type 0x%x !!!\n",
7985 			   copper_module_type);
7986 			return -EINVAL;
7987 		}
7988 		break;
7989 	}
7990 	case SFP_EEPROM_CON_TYPE_VAL_LC:
7991 		check_limiting_mode = 1;
7992 		if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
7993 			       SFP_EEPROM_COMP_CODE_LR_MASK |
7994 			       SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
7995 			DP(NETIF_MSG_LINK, "1G Optic module detected\n");
7996 			phy->media_type = ETH_PHY_SFP_1G_FIBER;
7997 			phy->req_line_speed = SPEED_1000;
7998 		} else {
7999 			int idx, cfg_idx = 0;
8000 			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8001 			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8002 				if (params->phy[idx].type == phy->type) {
8003 					cfg_idx = LINK_CONFIG_IDX(idx);
8004 					break;
8005 				}
8006 			}
8007 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8008 			phy->req_line_speed = params->req_line_speed[cfg_idx];
8009 		}
8010 		break;
8011 	default:
8012 		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8013 			 val[0]);
8014 		return -EINVAL;
8015 	}
8016 	sync_offset = params->shmem_base +
8017 		offsetof(struct shmem_region,
8018 			 dev_info.port_hw_config[params->port].media_type);
8019 	media_types = REG_RD(bp, sync_offset);
8020 	/* Update media type for non-PMF sync */
8021 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8022 		if (&(params->phy[phy_idx]) == phy) {
8023 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8024 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8025 			media_types |= ((phy->media_type &
8026 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8027 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8028 			break;
8029 		}
8030 	}
8031 	REG_WR(bp, sync_offset, media_types);
8032 	if (check_limiting_mode) {
8033 		u8 options[SFP_EEPROM_OPTIONS_SIZE];
8034 		if (bnx2x_read_sfp_module_eeprom(phy,
8035 						 params,
8036 						 SFP_EEPROM_OPTIONS_ADDR,
8037 						 SFP_EEPROM_OPTIONS_SIZE,
8038 						 options) != 0) {
8039 			DP(NETIF_MSG_LINK,
8040 			   "Failed to read Option field from module EEPROM\n");
8041 			return -EINVAL;
8042 		}
8043 		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8044 			*edc_mode = EDC_MODE_LINEAR;
8045 		else
8046 			*edc_mode = EDC_MODE_LIMITING;
8047 	}
8048 	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8049 	return 0;
8050 }
8051 /* This function read the relevant field from the module (SFP+), and verify it
8052  * is compliant with this board
8053  */
8054 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8055 				   struct link_params *params)
8056 {
8057 	struct bnx2x *bp = params->bp;
8058 	u32 val, cmd;
8059 	u32 fw_resp, fw_cmd_param;
8060 	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8061 	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8062 	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8063 	val = REG_RD(bp, params->shmem_base +
8064 			 offsetof(struct shmem_region, dev_info.
8065 				  port_feature_config[params->port].config));
8066 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8067 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8068 		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8069 		return 0;
8070 	}
8071 
8072 	if (params->feature_config_flags &
8073 	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8074 		/* Use specific phy request */
8075 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8076 	} else if (params->feature_config_flags &
8077 		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8078 		/* Use first phy request only in case of non-dual media*/
8079 		if (DUAL_MEDIA(params)) {
8080 			DP(NETIF_MSG_LINK,
8081 			   "FW does not support OPT MDL verification\n");
8082 			return -EINVAL;
8083 		}
8084 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8085 	} else {
8086 		/* No support in OPT MDL detection */
8087 		DP(NETIF_MSG_LINK,
8088 		   "FW does not support OPT MDL verification\n");
8089 		return -EINVAL;
8090 	}
8091 
8092 	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8093 	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8094 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8095 		DP(NETIF_MSG_LINK, "Approved module\n");
8096 		return 0;
8097 	}
8098 
8099 	/* Format the warning message */
8100 	if (bnx2x_read_sfp_module_eeprom(phy,
8101 					 params,
8102 					 SFP_EEPROM_VENDOR_NAME_ADDR,
8103 					 SFP_EEPROM_VENDOR_NAME_SIZE,
8104 					 (u8 *)vendor_name))
8105 		vendor_name[0] = '\0';
8106 	else
8107 		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8108 	if (bnx2x_read_sfp_module_eeprom(phy,
8109 					 params,
8110 					 SFP_EEPROM_PART_NO_ADDR,
8111 					 SFP_EEPROM_PART_NO_SIZE,
8112 					 (u8 *)vendor_pn))
8113 		vendor_pn[0] = '\0';
8114 	else
8115 		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8116 
8117 	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8118 			      " Port %d from %s part number %s\n",
8119 			 params->port, vendor_name, vendor_pn);
8120 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8121 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8122 		phy->flags |= FLAGS_SFP_NOT_APPROVED;
8123 	return -EINVAL;
8124 }
8125 
8126 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8127 						 struct link_params *params)
8128 
8129 {
8130 	u8 val;
8131 	struct bnx2x *bp = params->bp;
8132 	u16 timeout;
8133 	/* Initialization time after hot-plug may take up to 300ms for
8134 	 * some phys type ( e.g. JDSU )
8135 	 */
8136 
8137 	for (timeout = 0; timeout < 60; timeout++) {
8138 		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
8139 		    == 0) {
8140 			DP(NETIF_MSG_LINK,
8141 			   "SFP+ module initialization took %d ms\n",
8142 			   timeout * 5);
8143 			return 0;
8144 		}
8145 		usleep_range(5000, 10000);
8146 	}
8147 	return -EINVAL;
8148 }
8149 
8150 static void bnx2x_8727_power_module(struct bnx2x *bp,
8151 				    struct bnx2x_phy *phy,
8152 				    u8 is_power_up) {
8153 	/* Make sure GPIOs are not using for LED mode */
8154 	u16 val;
8155 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8156 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8157 	 * output
8158 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8159 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8160 	 * where the 1st bit is the over-current(only input), and 2nd bit is
8161 	 * for power( only output )
8162 	 *
8163 	 * In case of NOC feature is disabled and power is up, set GPIO control
8164 	 *  as input to enable listening of over-current indication
8165 	 */
8166 	if (phy->flags & FLAGS_NOC)
8167 		return;
8168 	if (is_power_up)
8169 		val = (1<<4);
8170 	else
8171 		/* Set GPIO control to OUTPUT, and set the power bit
8172 		 * to according to the is_power_up
8173 		 */
8174 		val = (1<<1);
8175 
8176 	bnx2x_cl45_write(bp, phy,
8177 			 MDIO_PMA_DEVAD,
8178 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8179 			 val);
8180 }
8181 
8182 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8183 					struct bnx2x_phy *phy,
8184 					u16 edc_mode)
8185 {
8186 	u16 cur_limiting_mode;
8187 
8188 	bnx2x_cl45_read(bp, phy,
8189 			MDIO_PMA_DEVAD,
8190 			MDIO_PMA_REG_ROM_VER2,
8191 			&cur_limiting_mode);
8192 	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8193 		 cur_limiting_mode);
8194 
8195 	if (edc_mode == EDC_MODE_LIMITING) {
8196 		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8197 		bnx2x_cl45_write(bp, phy,
8198 				 MDIO_PMA_DEVAD,
8199 				 MDIO_PMA_REG_ROM_VER2,
8200 				 EDC_MODE_LIMITING);
8201 	} else { /* LRM mode ( default )*/
8202 
8203 		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8204 
8205 		/* Changing to LRM mode takes quite few seconds. So do it only
8206 		 * if current mode is limiting (default is LRM)
8207 		 */
8208 		if (cur_limiting_mode != EDC_MODE_LIMITING)
8209 			return 0;
8210 
8211 		bnx2x_cl45_write(bp, phy,
8212 				 MDIO_PMA_DEVAD,
8213 				 MDIO_PMA_REG_LRM_MODE,
8214 				 0);
8215 		bnx2x_cl45_write(bp, phy,
8216 				 MDIO_PMA_DEVAD,
8217 				 MDIO_PMA_REG_ROM_VER2,
8218 				 0x128);
8219 		bnx2x_cl45_write(bp, phy,
8220 				 MDIO_PMA_DEVAD,
8221 				 MDIO_PMA_REG_MISC_CTRL0,
8222 				 0x4008);
8223 		bnx2x_cl45_write(bp, phy,
8224 				 MDIO_PMA_DEVAD,
8225 				 MDIO_PMA_REG_LRM_MODE,
8226 				 0xaaaa);
8227 	}
8228 	return 0;
8229 }
8230 
8231 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8232 					struct bnx2x_phy *phy,
8233 					u16 edc_mode)
8234 {
8235 	u16 phy_identifier;
8236 	u16 rom_ver2_val;
8237 	bnx2x_cl45_read(bp, phy,
8238 			MDIO_PMA_DEVAD,
8239 			MDIO_PMA_REG_PHY_IDENTIFIER,
8240 			&phy_identifier);
8241 
8242 	bnx2x_cl45_write(bp, phy,
8243 			 MDIO_PMA_DEVAD,
8244 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8245 			 (phy_identifier & ~(1<<9)));
8246 
8247 	bnx2x_cl45_read(bp, phy,
8248 			MDIO_PMA_DEVAD,
8249 			MDIO_PMA_REG_ROM_VER2,
8250 			&rom_ver2_val);
8251 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8252 	bnx2x_cl45_write(bp, phy,
8253 			 MDIO_PMA_DEVAD,
8254 			 MDIO_PMA_REG_ROM_VER2,
8255 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8256 
8257 	bnx2x_cl45_write(bp, phy,
8258 			 MDIO_PMA_DEVAD,
8259 			 MDIO_PMA_REG_PHY_IDENTIFIER,
8260 			 (phy_identifier | (1<<9)));
8261 
8262 	return 0;
8263 }
8264 
8265 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8266 				     struct link_params *params,
8267 				     u32 action)
8268 {
8269 	struct bnx2x *bp = params->bp;
8270 
8271 	switch (action) {
8272 	case DISABLE_TX:
8273 		bnx2x_sfp_set_transmitter(params, phy, 0);
8274 		break;
8275 	case ENABLE_TX:
8276 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8277 			bnx2x_sfp_set_transmitter(params, phy, 1);
8278 		break;
8279 	default:
8280 		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8281 		   action);
8282 		return;
8283 	}
8284 }
8285 
8286 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8287 					   u8 gpio_mode)
8288 {
8289 	struct bnx2x *bp = params->bp;
8290 
8291 	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8292 			    offsetof(struct shmem_region,
8293 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8294 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8295 	switch (fault_led_gpio) {
8296 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8297 		return;
8298 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8299 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8300 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8301 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8302 	{
8303 		u8 gpio_port = bnx2x_get_gpio_port(params);
8304 		u16 gpio_pin = fault_led_gpio -
8305 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8306 		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8307 				   "pin %x port %x mode %x\n",
8308 			       gpio_pin, gpio_port, gpio_mode);
8309 		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8310 	}
8311 	break;
8312 	default:
8313 		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8314 			       fault_led_gpio);
8315 	}
8316 }
8317 
8318 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8319 					  u8 gpio_mode)
8320 {
8321 	u32 pin_cfg;
8322 	u8 port = params->port;
8323 	struct bnx2x *bp = params->bp;
8324 	pin_cfg = (REG_RD(bp, params->shmem_base +
8325 			 offsetof(struct shmem_region,
8326 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8327 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8328 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8329 	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8330 		       gpio_mode, pin_cfg);
8331 	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8332 }
8333 
8334 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8335 					   u8 gpio_mode)
8336 {
8337 	struct bnx2x *bp = params->bp;
8338 	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8339 	if (CHIP_IS_E3(bp)) {
8340 		/* Low ==> if SFP+ module is supported otherwise
8341 		 * High ==> if SFP+ module is not on the approved vendor list
8342 		 */
8343 		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8344 	} else
8345 		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8346 }
8347 
8348 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8349 				    struct link_params *params)
8350 {
8351 	struct bnx2x *bp = params->bp;
8352 	bnx2x_warpcore_power_module(params, phy, 0);
8353 	/* Put Warpcore in low power mode */
8354 	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8355 
8356 	/* Put LCPLL in low power mode */
8357 	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8358 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8359 	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8360 }
8361 
8362 static void bnx2x_power_sfp_module(struct link_params *params,
8363 				   struct bnx2x_phy *phy,
8364 				   u8 power)
8365 {
8366 	struct bnx2x *bp = params->bp;
8367 	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8368 
8369 	switch (phy->type) {
8370 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8371 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8372 		bnx2x_8727_power_module(params->bp, phy, power);
8373 		break;
8374 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8375 		bnx2x_warpcore_power_module(params, phy, power);
8376 		break;
8377 	default:
8378 		break;
8379 	}
8380 }
8381 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8382 					     struct bnx2x_phy *phy,
8383 					     u16 edc_mode)
8384 {
8385 	u16 val = 0;
8386 	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8387 	struct bnx2x *bp = params->bp;
8388 
8389 	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8390 	/* This is a global register which controls all lanes */
8391 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8392 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8393 	val &= ~(0xf << (lane << 2));
8394 
8395 	switch (edc_mode) {
8396 	case EDC_MODE_LINEAR:
8397 	case EDC_MODE_LIMITING:
8398 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8399 		break;
8400 	case EDC_MODE_PASSIVE_DAC:
8401 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8402 		break;
8403 	default:
8404 		break;
8405 	}
8406 
8407 	val |= (mode << (lane << 2));
8408 	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8409 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8410 	/* A must read */
8411 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8412 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8413 
8414 	/* Restart microcode to re-read the new mode */
8415 	bnx2x_warpcore_reset_lane(bp, phy, 1);
8416 	bnx2x_warpcore_reset_lane(bp, phy, 0);
8417 
8418 }
8419 
8420 static void bnx2x_set_limiting_mode(struct link_params *params,
8421 				    struct bnx2x_phy *phy,
8422 				    u16 edc_mode)
8423 {
8424 	switch (phy->type) {
8425 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8426 		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8427 		break;
8428 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8429 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8430 		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8431 		break;
8432 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8433 		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8434 		break;
8435 	}
8436 }
8437 
8438 int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8439 			       struct link_params *params)
8440 {
8441 	struct bnx2x *bp = params->bp;
8442 	u16 edc_mode;
8443 	int rc = 0;
8444 
8445 	u32 val = REG_RD(bp, params->shmem_base +
8446 			     offsetof(struct shmem_region, dev_info.
8447 				     port_feature_config[params->port].config));
8448 
8449 	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8450 		 params->port);
8451 	/* Power up module */
8452 	bnx2x_power_sfp_module(params, phy, 1);
8453 	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8454 		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8455 		return -EINVAL;
8456 	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8457 		/* Check SFP+ module compatibility */
8458 		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8459 		rc = -EINVAL;
8460 		/* Turn on fault module-detected led */
8461 		bnx2x_set_sfp_module_fault_led(params,
8462 					       MISC_REGISTERS_GPIO_HIGH);
8463 
8464 		/* Check if need to power down the SFP+ module */
8465 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8466 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8467 			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8468 			bnx2x_power_sfp_module(params, phy, 0);
8469 			return rc;
8470 		}
8471 	} else {
8472 		/* Turn off fault module-detected led */
8473 		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8474 	}
8475 
8476 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8477 	 * is done automatically
8478 	 */
8479 	bnx2x_set_limiting_mode(params, phy, edc_mode);
8480 
8481 	/* Enable transmit for this module if the module is approved, or
8482 	 * if unapproved modules should also enable the Tx laser
8483 	 */
8484 	if (rc == 0 ||
8485 	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8486 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
8487 		bnx2x_sfp_set_transmitter(params, phy, 1);
8488 	else
8489 		bnx2x_sfp_set_transmitter(params, phy, 0);
8490 
8491 	return rc;
8492 }
8493 
8494 void bnx2x_handle_module_detect_int(struct link_params *params)
8495 {
8496 	struct bnx2x *bp = params->bp;
8497 	struct bnx2x_phy *phy;
8498 	u32 gpio_val;
8499 	u8 gpio_num, gpio_port;
8500 	if (CHIP_IS_E3(bp))
8501 		phy = &params->phy[INT_PHY];
8502 	else
8503 		phy = &params->phy[EXT_PHY1];
8504 
8505 	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8506 				      params->port, &gpio_num, &gpio_port) ==
8507 	    -EINVAL) {
8508 		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8509 		return;
8510 	}
8511 
8512 	/* Set valid module led off */
8513 	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8514 
8515 	/* Get current gpio val reflecting module plugged in / out*/
8516 	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8517 
8518 	/* Call the handling function in case module is detected */
8519 	if (gpio_val == 0) {
8520 		bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
8521 		bnx2x_set_aer_mmd(params, phy);
8522 
8523 		bnx2x_power_sfp_module(params, phy, 1);
8524 		bnx2x_set_gpio_int(bp, gpio_num,
8525 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8526 				   gpio_port);
8527 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8528 			bnx2x_sfp_module_detection(phy, params);
8529 			if (CHIP_IS_E3(bp)) {
8530 				u16 rx_tx_in_reset;
8531 				/* In case WC is out of reset, reconfigure the
8532 				 * link speed while taking into account 1G
8533 				 * module limitation.
8534 				 */
8535 				bnx2x_cl45_read(bp, phy,
8536 						MDIO_WC_DEVAD,
8537 						MDIO_WC_REG_DIGITAL5_MISC6,
8538 						&rx_tx_in_reset);
8539 				if (!rx_tx_in_reset) {
8540 					bnx2x_warpcore_reset_lane(bp, phy, 1);
8541 					bnx2x_warpcore_config_sfi(phy, params);
8542 					bnx2x_warpcore_reset_lane(bp, phy, 0);
8543 				}
8544 			}
8545 		} else {
8546 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8547 		}
8548 	} else {
8549 		u32 val = REG_RD(bp, params->shmem_base +
8550 				 offsetof(struct shmem_region, dev_info.
8551 					  port_feature_config[params->port].
8552 					  config));
8553 		bnx2x_set_gpio_int(bp, gpio_num,
8554 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8555 				   gpio_port);
8556 		/* Module was plugged out.
8557 		 * Disable transmit for this module
8558 		 */
8559 		phy->media_type = ETH_PHY_NOT_PRESENT;
8560 		if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8561 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
8562 		    CHIP_IS_E3(bp))
8563 			bnx2x_sfp_set_transmitter(params, phy, 0);
8564 	}
8565 }
8566 
8567 /******************************************************************/
8568 /*		Used by 8706 and 8727                             */
8569 /******************************************************************/
8570 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8571 				 struct bnx2x_phy *phy,
8572 				 u16 alarm_status_offset,
8573 				 u16 alarm_ctrl_offset)
8574 {
8575 	u16 alarm_status, val;
8576 	bnx2x_cl45_read(bp, phy,
8577 			MDIO_PMA_DEVAD, alarm_status_offset,
8578 			&alarm_status);
8579 	bnx2x_cl45_read(bp, phy,
8580 			MDIO_PMA_DEVAD, alarm_status_offset,
8581 			&alarm_status);
8582 	/* Mask or enable the fault event. */
8583 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8584 	if (alarm_status & (1<<0))
8585 		val &= ~(1<<0);
8586 	else
8587 		val |= (1<<0);
8588 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8589 }
8590 /******************************************************************/
8591 /*		common BCM8706/BCM8726 PHY SECTION		  */
8592 /******************************************************************/
8593 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8594 				      struct link_params *params,
8595 				      struct link_vars *vars)
8596 {
8597 	u8 link_up = 0;
8598 	u16 val1, val2, rx_sd, pcs_status;
8599 	struct bnx2x *bp = params->bp;
8600 	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8601 	/* Clear RX Alarm*/
8602 	bnx2x_cl45_read(bp, phy,
8603 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8604 
8605 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8606 			     MDIO_PMA_LASI_TXCTRL);
8607 
8608 	/* Clear LASI indication*/
8609 	bnx2x_cl45_read(bp, phy,
8610 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8611 	bnx2x_cl45_read(bp, phy,
8612 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8613 	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8614 
8615 	bnx2x_cl45_read(bp, phy,
8616 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8617 	bnx2x_cl45_read(bp, phy,
8618 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8619 	bnx2x_cl45_read(bp, phy,
8620 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8621 	bnx2x_cl45_read(bp, phy,
8622 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8623 
8624 	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8625 			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8626 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8627 	 * are set, or if the autoneg bit 1 is set
8628 	 */
8629 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8630 	if (link_up) {
8631 		if (val2 & (1<<1))
8632 			vars->line_speed = SPEED_1000;
8633 		else
8634 			vars->line_speed = SPEED_10000;
8635 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8636 		vars->duplex = DUPLEX_FULL;
8637 	}
8638 
8639 	/* Capture 10G link fault. Read twice to clear stale value. */
8640 	if (vars->line_speed == SPEED_10000) {
8641 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8642 			    MDIO_PMA_LASI_TXSTAT, &val1);
8643 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8644 			    MDIO_PMA_LASI_TXSTAT, &val1);
8645 		if (val1 & (1<<0))
8646 			vars->fault_detected = 1;
8647 	}
8648 
8649 	return link_up;
8650 }
8651 
8652 /******************************************************************/
8653 /*			BCM8706 PHY SECTION			  */
8654 /******************************************************************/
8655 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8656 				 struct link_params *params,
8657 				 struct link_vars *vars)
8658 {
8659 	u32 tx_en_mode;
8660 	u16 cnt, val, tmp1;
8661 	struct bnx2x *bp = params->bp;
8662 
8663 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8664 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8665 	/* HW reset */
8666 	bnx2x_ext_phy_hw_reset(bp, params->port);
8667 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8668 	bnx2x_wait_reset_complete(bp, phy, params);
8669 
8670 	/* Wait until fw is loaded */
8671 	for (cnt = 0; cnt < 100; cnt++) {
8672 		bnx2x_cl45_read(bp, phy,
8673 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8674 		if (val)
8675 			break;
8676 		usleep_range(10000, 20000);
8677 	}
8678 	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8679 	if ((params->feature_config_flags &
8680 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8681 		u8 i;
8682 		u16 reg;
8683 		for (i = 0; i < 4; i++) {
8684 			reg = MDIO_XS_8706_REG_BANK_RX0 +
8685 				i*(MDIO_XS_8706_REG_BANK_RX1 -
8686 				   MDIO_XS_8706_REG_BANK_RX0);
8687 			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8688 			/* Clear first 3 bits of the control */
8689 			val &= ~0x7;
8690 			/* Set control bits according to configuration */
8691 			val |= (phy->rx_preemphasis[i] & 0x7);
8692 			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8693 				   " reg 0x%x <-- val 0x%x\n", reg, val);
8694 			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8695 		}
8696 	}
8697 	/* Force speed */
8698 	if (phy->req_line_speed == SPEED_10000) {
8699 		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8700 
8701 		bnx2x_cl45_write(bp, phy,
8702 				 MDIO_PMA_DEVAD,
8703 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8704 		bnx2x_cl45_write(bp, phy,
8705 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8706 				 0);
8707 		/* Arm LASI for link and Tx fault. */
8708 		bnx2x_cl45_write(bp, phy,
8709 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8710 	} else {
8711 		/* Force 1Gbps using autoneg with 1G advertisement */
8712 
8713 		/* Allow CL37 through CL73 */
8714 		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8715 		bnx2x_cl45_write(bp, phy,
8716 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8717 
8718 		/* Enable Full-Duplex advertisement on CL37 */
8719 		bnx2x_cl45_write(bp, phy,
8720 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8721 		/* Enable CL37 AN */
8722 		bnx2x_cl45_write(bp, phy,
8723 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8724 		/* 1G support */
8725 		bnx2x_cl45_write(bp, phy,
8726 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8727 
8728 		/* Enable clause 73 AN */
8729 		bnx2x_cl45_write(bp, phy,
8730 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8731 		bnx2x_cl45_write(bp, phy,
8732 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8733 				 0x0400);
8734 		bnx2x_cl45_write(bp, phy,
8735 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8736 				 0x0004);
8737 	}
8738 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8739 
8740 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8741 	 * power mode, if TX Laser is disabled
8742 	 */
8743 
8744 	tx_en_mode = REG_RD(bp, params->shmem_base +
8745 			    offsetof(struct shmem_region,
8746 				dev_info.port_hw_config[params->port].sfp_ctrl))
8747 			& PORT_HW_CFG_TX_LASER_MASK;
8748 
8749 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8750 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8751 		bnx2x_cl45_read(bp, phy,
8752 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8753 		tmp1 |= 0x1;
8754 		bnx2x_cl45_write(bp, phy,
8755 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8756 	}
8757 
8758 	return 0;
8759 }
8760 
8761 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8762 				  struct link_params *params,
8763 				  struct link_vars *vars)
8764 {
8765 	return bnx2x_8706_8726_read_status(phy, params, vars);
8766 }
8767 
8768 /******************************************************************/
8769 /*			BCM8726 PHY SECTION			  */
8770 /******************************************************************/
8771 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8772 				       struct link_params *params)
8773 {
8774 	struct bnx2x *bp = params->bp;
8775 	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8776 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8777 }
8778 
8779 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8780 					 struct link_params *params)
8781 {
8782 	struct bnx2x *bp = params->bp;
8783 	/* Need to wait 100ms after reset */
8784 	msleep(100);
8785 
8786 	/* Micro controller re-boot */
8787 	bnx2x_cl45_write(bp, phy,
8788 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8789 
8790 	/* Set soft reset */
8791 	bnx2x_cl45_write(bp, phy,
8792 			 MDIO_PMA_DEVAD,
8793 			 MDIO_PMA_REG_GEN_CTRL,
8794 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8795 
8796 	bnx2x_cl45_write(bp, phy,
8797 			 MDIO_PMA_DEVAD,
8798 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8799 
8800 	bnx2x_cl45_write(bp, phy,
8801 			 MDIO_PMA_DEVAD,
8802 			 MDIO_PMA_REG_GEN_CTRL,
8803 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8804 
8805 	/* Wait for 150ms for microcode load */
8806 	msleep(150);
8807 
8808 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8809 	bnx2x_cl45_write(bp, phy,
8810 			 MDIO_PMA_DEVAD,
8811 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8812 
8813 	msleep(200);
8814 	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8815 }
8816 
8817 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8818 				 struct link_params *params,
8819 				 struct link_vars *vars)
8820 {
8821 	struct bnx2x *bp = params->bp;
8822 	u16 val1;
8823 	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8824 	if (link_up) {
8825 		bnx2x_cl45_read(bp, phy,
8826 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
8827 				&val1);
8828 		if (val1 & (1<<15)) {
8829 			DP(NETIF_MSG_LINK, "Tx is disabled\n");
8830 			link_up = 0;
8831 			vars->line_speed = 0;
8832 		}
8833 	}
8834 	return link_up;
8835 }
8836 
8837 
8838 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
8839 				  struct link_params *params,
8840 				  struct link_vars *vars)
8841 {
8842 	struct bnx2x *bp = params->bp;
8843 	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8844 
8845 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8846 	bnx2x_wait_reset_complete(bp, phy, params);
8847 
8848 	bnx2x_8726_external_rom_boot(phy, params);
8849 
8850 	/* Need to call module detected on initialization since the module
8851 	 * detection triggered by actual module insertion might occur before
8852 	 * driver is loaded, and when driver is loaded, it reset all
8853 	 * registers, including the transmitter
8854 	 */
8855 	bnx2x_sfp_module_detection(phy, params);
8856 
8857 	if (phy->req_line_speed == SPEED_1000) {
8858 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
8859 		bnx2x_cl45_write(bp, phy,
8860 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
8861 		bnx2x_cl45_write(bp, phy,
8862 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
8863 		bnx2x_cl45_write(bp, phy,
8864 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
8865 		bnx2x_cl45_write(bp, phy,
8866 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8867 				 0x400);
8868 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
8869 		   (phy->speed_cap_mask &
8870 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
8871 		   ((phy->speed_cap_mask &
8872 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
8873 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
8874 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
8875 		/* Set Flow control */
8876 		bnx2x_ext_phy_set_pause(params, phy, vars);
8877 		bnx2x_cl45_write(bp, phy,
8878 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
8879 		bnx2x_cl45_write(bp, phy,
8880 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8881 		bnx2x_cl45_write(bp, phy,
8882 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
8883 		bnx2x_cl45_write(bp, phy,
8884 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8885 		bnx2x_cl45_write(bp, phy,
8886 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8887 		/* Enable RX-ALARM control to receive interrupt for 1G speed
8888 		 * change
8889 		 */
8890 		bnx2x_cl45_write(bp, phy,
8891 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
8892 		bnx2x_cl45_write(bp, phy,
8893 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8894 				 0x400);
8895 
8896 	} else { /* Default 10G. Set only LASI control */
8897 		bnx2x_cl45_write(bp, phy,
8898 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8899 	}
8900 
8901 	/* Set TX PreEmphasis if needed */
8902 	if ((params->feature_config_flags &
8903 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8904 		DP(NETIF_MSG_LINK,
8905 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
8906 			 phy->tx_preemphasis[0],
8907 			 phy->tx_preemphasis[1]);
8908 		bnx2x_cl45_write(bp, phy,
8909 				 MDIO_PMA_DEVAD,
8910 				 MDIO_PMA_REG_8726_TX_CTRL1,
8911 				 phy->tx_preemphasis[0]);
8912 
8913 		bnx2x_cl45_write(bp, phy,
8914 				 MDIO_PMA_DEVAD,
8915 				 MDIO_PMA_REG_8726_TX_CTRL2,
8916 				 phy->tx_preemphasis[1]);
8917 	}
8918 
8919 	return 0;
8920 
8921 }
8922 
8923 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
8924 				  struct link_params *params)
8925 {
8926 	struct bnx2x *bp = params->bp;
8927 	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
8928 	/* Set serial boot control for external load */
8929 	bnx2x_cl45_write(bp, phy,
8930 			 MDIO_PMA_DEVAD,
8931 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
8932 }
8933 
8934 /******************************************************************/
8935 /*			BCM8727 PHY SECTION			  */
8936 /******************************************************************/
8937 
8938 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
8939 				    struct link_params *params, u8 mode)
8940 {
8941 	struct bnx2x *bp = params->bp;
8942 	u16 led_mode_bitmask = 0;
8943 	u16 gpio_pins_bitmask = 0;
8944 	u16 val;
8945 	/* Only NOC flavor requires to set the LED specifically */
8946 	if (!(phy->flags & FLAGS_NOC))
8947 		return;
8948 	switch (mode) {
8949 	case LED_MODE_FRONT_PANEL_OFF:
8950 	case LED_MODE_OFF:
8951 		led_mode_bitmask = 0;
8952 		gpio_pins_bitmask = 0x03;
8953 		break;
8954 	case LED_MODE_ON:
8955 		led_mode_bitmask = 0;
8956 		gpio_pins_bitmask = 0x02;
8957 		break;
8958 	case LED_MODE_OPER:
8959 		led_mode_bitmask = 0x60;
8960 		gpio_pins_bitmask = 0x11;
8961 		break;
8962 	}
8963 	bnx2x_cl45_read(bp, phy,
8964 			MDIO_PMA_DEVAD,
8965 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8966 			&val);
8967 	val &= 0xff8f;
8968 	val |= led_mode_bitmask;
8969 	bnx2x_cl45_write(bp, phy,
8970 			 MDIO_PMA_DEVAD,
8971 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8972 			 val);
8973 	bnx2x_cl45_read(bp, phy,
8974 			MDIO_PMA_DEVAD,
8975 			MDIO_PMA_REG_8727_GPIO_CTRL,
8976 			&val);
8977 	val &= 0xffe0;
8978 	val |= gpio_pins_bitmask;
8979 	bnx2x_cl45_write(bp, phy,
8980 			 MDIO_PMA_DEVAD,
8981 			 MDIO_PMA_REG_8727_GPIO_CTRL,
8982 			 val);
8983 }
8984 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
8985 				struct link_params *params) {
8986 	u32 swap_val, swap_override;
8987 	u8 port;
8988 	/* The PHY reset is controlled by GPIO 1. Fake the port number
8989 	 * to cancel the swap done in set_gpio()
8990 	 */
8991 	struct bnx2x *bp = params->bp;
8992 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8993 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
8994 	port = (swap_val && swap_override) ^ 1;
8995 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
8996 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8997 }
8998 
8999 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9000 				    struct link_params *params)
9001 {
9002 	struct bnx2x *bp = params->bp;
9003 	u16 tmp1, val;
9004 	/* Set option 1G speed */
9005 	if ((phy->req_line_speed == SPEED_1000) ||
9006 	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9007 		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9008 		bnx2x_cl45_write(bp, phy,
9009 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9010 		bnx2x_cl45_write(bp, phy,
9011 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9012 		bnx2x_cl45_read(bp, phy,
9013 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9014 		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9015 		/* Power down the XAUI until link is up in case of dual-media
9016 		 * and 1G
9017 		 */
9018 		if (DUAL_MEDIA(params)) {
9019 			bnx2x_cl45_read(bp, phy,
9020 					MDIO_PMA_DEVAD,
9021 					MDIO_PMA_REG_8727_PCS_GP, &val);
9022 			val |= (3<<10);
9023 			bnx2x_cl45_write(bp, phy,
9024 					 MDIO_PMA_DEVAD,
9025 					 MDIO_PMA_REG_8727_PCS_GP, val);
9026 		}
9027 	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9028 		   ((phy->speed_cap_mask &
9029 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9030 		   ((phy->speed_cap_mask &
9031 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9032 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9033 
9034 		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9035 		bnx2x_cl45_write(bp, phy,
9036 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9037 		bnx2x_cl45_write(bp, phy,
9038 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9039 	} else {
9040 		/* Since the 8727 has only single reset pin, need to set the 10G
9041 		 * registers although it is default
9042 		 */
9043 		bnx2x_cl45_write(bp, phy,
9044 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9045 				 0x0020);
9046 		bnx2x_cl45_write(bp, phy,
9047 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9048 		bnx2x_cl45_write(bp, phy,
9049 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9050 		bnx2x_cl45_write(bp, phy,
9051 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9052 				 0x0008);
9053 	}
9054 }
9055 
9056 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9057 				  struct link_params *params,
9058 				  struct link_vars *vars)
9059 {
9060 	u32 tx_en_mode;
9061 	u16 tmp1, val, mod_abs, tmp2;
9062 	u16 rx_alarm_ctrl_val;
9063 	u16 lasi_ctrl_val;
9064 	struct bnx2x *bp = params->bp;
9065 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9066 
9067 	bnx2x_wait_reset_complete(bp, phy, params);
9068 	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
9069 	/* Should be 0x6 to enable XS on Tx side. */
9070 	lasi_ctrl_val = 0x0006;
9071 
9072 	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9073 	/* Enable LASI */
9074 	bnx2x_cl45_write(bp, phy,
9075 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9076 			 rx_alarm_ctrl_val);
9077 	bnx2x_cl45_write(bp, phy,
9078 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9079 			 0);
9080 	bnx2x_cl45_write(bp, phy,
9081 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
9082 
9083 	/* Initially configure MOD_ABS to interrupt when module is
9084 	 * presence( bit 8)
9085 	 */
9086 	bnx2x_cl45_read(bp, phy,
9087 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9088 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9089 	 * When the EDC is off it locks onto a reference clock and avoids
9090 	 * becoming 'lost'
9091 	 */
9092 	mod_abs &= ~(1<<8);
9093 	if (!(phy->flags & FLAGS_NOC))
9094 		mod_abs &= ~(1<<9);
9095 	bnx2x_cl45_write(bp, phy,
9096 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9097 
9098 
9099 	/* Enable/Disable PHY transmitter output */
9100 	bnx2x_set_disable_pmd_transmit(params, phy, 0);
9101 
9102 	/* Make MOD_ABS give interrupt on change */
9103 	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9104 			&val);
9105 	val |= (1<<12);
9106 	if (phy->flags & FLAGS_NOC)
9107 		val |= (3<<5);
9108 
9109 	/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
9110 	 * status which reflect SFP+ module over-current
9111 	 */
9112 	if (!(phy->flags & FLAGS_NOC))
9113 		val &= 0xff8f; /* Reset bits 4-6 */
9114 	bnx2x_cl45_write(bp, phy,
9115 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
9116 
9117 	bnx2x_8727_power_module(bp, phy, 1);
9118 
9119 	bnx2x_cl45_read(bp, phy,
9120 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9121 
9122 	bnx2x_cl45_read(bp, phy,
9123 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9124 
9125 	bnx2x_8727_config_speed(phy, params);
9126 	/* Set 2-wire transfer rate of SFP+ module EEPROM
9127 	 * to 100Khz since some DACs(direct attached cables) do
9128 	 * not work at 400Khz.
9129 	 */
9130 	bnx2x_cl45_write(bp, phy,
9131 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
9132 			 0xa001);
9133 
9134 	/* Set TX PreEmphasis if needed */
9135 	if ((params->feature_config_flags &
9136 	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9137 		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9138 			   phy->tx_preemphasis[0],
9139 			   phy->tx_preemphasis[1]);
9140 		bnx2x_cl45_write(bp, phy,
9141 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9142 				 phy->tx_preemphasis[0]);
9143 
9144 		bnx2x_cl45_write(bp, phy,
9145 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9146 				 phy->tx_preemphasis[1]);
9147 	}
9148 
9149 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9150 	 * power mode, if TX Laser is disabled
9151 	 */
9152 	tx_en_mode = REG_RD(bp, params->shmem_base +
9153 			    offsetof(struct shmem_region,
9154 				dev_info.port_hw_config[params->port].sfp_ctrl))
9155 			& PORT_HW_CFG_TX_LASER_MASK;
9156 
9157 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9158 
9159 		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9160 		bnx2x_cl45_read(bp, phy,
9161 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9162 		tmp2 |= 0x1000;
9163 		tmp2 &= 0xFFEF;
9164 		bnx2x_cl45_write(bp, phy,
9165 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9166 		bnx2x_cl45_read(bp, phy,
9167 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9168 				&tmp2);
9169 		bnx2x_cl45_write(bp, phy,
9170 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9171 				 (tmp2 & 0x7fff));
9172 	}
9173 
9174 	return 0;
9175 }
9176 
9177 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9178 				      struct link_params *params)
9179 {
9180 	struct bnx2x *bp = params->bp;
9181 	u16 mod_abs, rx_alarm_status;
9182 	u32 val = REG_RD(bp, params->shmem_base +
9183 			     offsetof(struct shmem_region, dev_info.
9184 				      port_feature_config[params->port].
9185 				      config));
9186 	bnx2x_cl45_read(bp, phy,
9187 			MDIO_PMA_DEVAD,
9188 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9189 	if (mod_abs & (1<<8)) {
9190 
9191 		/* Module is absent */
9192 		DP(NETIF_MSG_LINK,
9193 		   "MOD_ABS indication show module is absent\n");
9194 		phy->media_type = ETH_PHY_NOT_PRESENT;
9195 		/* 1. Set mod_abs to detect next module
9196 		 *    presence event
9197 		 * 2. Set EDC off by setting OPTXLOS signal input to low
9198 		 *    (bit 9).
9199 		 *    When the EDC is off it locks onto a reference clock and
9200 		 *    avoids becoming 'lost'.
9201 		 */
9202 		mod_abs &= ~(1<<8);
9203 		if (!(phy->flags & FLAGS_NOC))
9204 			mod_abs &= ~(1<<9);
9205 		bnx2x_cl45_write(bp, phy,
9206 				 MDIO_PMA_DEVAD,
9207 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9208 
9209 		/* Clear RX alarm since it stays up as long as
9210 		 * the mod_abs wasn't changed
9211 		 */
9212 		bnx2x_cl45_read(bp, phy,
9213 				MDIO_PMA_DEVAD,
9214 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9215 
9216 	} else {
9217 		/* Module is present */
9218 		DP(NETIF_MSG_LINK,
9219 		   "MOD_ABS indication show module is present\n");
9220 		/* First disable transmitter, and if the module is ok, the
9221 		 * module_detection will enable it
9222 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9223 		 * 2. Restore the default polarity of the OPRXLOS signal and
9224 		 * this signal will then correctly indicate the presence or
9225 		 * absence of the Rx signal. (bit 9)
9226 		 */
9227 		mod_abs |= (1<<8);
9228 		if (!(phy->flags & FLAGS_NOC))
9229 			mod_abs |= (1<<9);
9230 		bnx2x_cl45_write(bp, phy,
9231 				 MDIO_PMA_DEVAD,
9232 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9233 
9234 		/* Clear RX alarm since it stays up as long as the mod_abs
9235 		 * wasn't changed. This is need to be done before calling the
9236 		 * module detection, otherwise it will clear* the link update
9237 		 * alarm
9238 		 */
9239 		bnx2x_cl45_read(bp, phy,
9240 				MDIO_PMA_DEVAD,
9241 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9242 
9243 
9244 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9245 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9246 			bnx2x_sfp_set_transmitter(params, phy, 0);
9247 
9248 		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9249 			bnx2x_sfp_module_detection(phy, params);
9250 		else
9251 			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9252 
9253 		/* Reconfigure link speed based on module type limitations */
9254 		bnx2x_8727_config_speed(phy, params);
9255 	}
9256 
9257 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9258 		   rx_alarm_status);
9259 	/* No need to check link status in case of module plugged in/out */
9260 }
9261 
9262 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9263 				 struct link_params *params,
9264 				 struct link_vars *vars)
9265 
9266 {
9267 	struct bnx2x *bp = params->bp;
9268 	u8 link_up = 0, oc_port = params->port;
9269 	u16 link_status = 0;
9270 	u16 rx_alarm_status, lasi_ctrl, val1;
9271 
9272 	/* If PHY is not initialized, do not check link status */
9273 	bnx2x_cl45_read(bp, phy,
9274 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9275 			&lasi_ctrl);
9276 	if (!lasi_ctrl)
9277 		return 0;
9278 
9279 	/* Check the LASI on Rx */
9280 	bnx2x_cl45_read(bp, phy,
9281 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9282 			&rx_alarm_status);
9283 	vars->line_speed = 0;
9284 	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9285 
9286 	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9287 			     MDIO_PMA_LASI_TXCTRL);
9288 
9289 	bnx2x_cl45_read(bp, phy,
9290 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9291 
9292 	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9293 
9294 	/* Clear MSG-OUT */
9295 	bnx2x_cl45_read(bp, phy,
9296 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9297 
9298 	/* If a module is present and there is need to check
9299 	 * for over current
9300 	 */
9301 	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9302 		/* Check over-current using 8727 GPIO0 input*/
9303 		bnx2x_cl45_read(bp, phy,
9304 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9305 				&val1);
9306 
9307 		if ((val1 & (1<<8)) == 0) {
9308 			if (!CHIP_IS_E1x(bp))
9309 				oc_port = BP_PATH(bp) + (params->port << 1);
9310 			DP(NETIF_MSG_LINK,
9311 			   "8727 Power fault has been detected on port %d\n",
9312 			   oc_port);
9313 			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9314 					    "been detected and the power to "
9315 					    "that SFP+ module has been removed "
9316 					    "to prevent failure of the card. "
9317 					    "Please remove the SFP+ module and "
9318 					    "restart the system to clear this "
9319 					    "error.\n",
9320 			 oc_port);
9321 			/* Disable all RX_ALARMs except for mod_abs */
9322 			bnx2x_cl45_write(bp, phy,
9323 					 MDIO_PMA_DEVAD,
9324 					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9325 
9326 			bnx2x_cl45_read(bp, phy,
9327 					MDIO_PMA_DEVAD,
9328 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9329 			/* Wait for module_absent_event */
9330 			val1 |= (1<<8);
9331 			bnx2x_cl45_write(bp, phy,
9332 					 MDIO_PMA_DEVAD,
9333 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9334 			/* Clear RX alarm */
9335 			bnx2x_cl45_read(bp, phy,
9336 				MDIO_PMA_DEVAD,
9337 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9338 			return 0;
9339 		}
9340 	} /* Over current check */
9341 
9342 	/* When module absent bit is set, check module */
9343 	if (rx_alarm_status & (1<<5)) {
9344 		bnx2x_8727_handle_mod_abs(phy, params);
9345 		/* Enable all mod_abs and link detection bits */
9346 		bnx2x_cl45_write(bp, phy,
9347 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9348 				 ((1<<5) | (1<<2)));
9349 	}
9350 
9351 	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9352 		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9353 		bnx2x_sfp_set_transmitter(params, phy, 1);
9354 	} else {
9355 		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9356 		return 0;
9357 	}
9358 
9359 	bnx2x_cl45_read(bp, phy,
9360 			MDIO_PMA_DEVAD,
9361 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9362 
9363 	/* Bits 0..2 --> speed detected,
9364 	 * Bits 13..15--> link is down
9365 	 */
9366 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9367 		link_up = 1;
9368 		vars->line_speed = SPEED_10000;
9369 		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9370 			   params->port);
9371 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9372 		link_up = 1;
9373 		vars->line_speed = SPEED_1000;
9374 		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9375 			   params->port);
9376 	} else {
9377 		link_up = 0;
9378 		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9379 			   params->port);
9380 	}
9381 
9382 	/* Capture 10G link fault. */
9383 	if (vars->line_speed == SPEED_10000) {
9384 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9385 			    MDIO_PMA_LASI_TXSTAT, &val1);
9386 
9387 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9388 			    MDIO_PMA_LASI_TXSTAT, &val1);
9389 
9390 		if (val1 & (1<<0)) {
9391 			vars->fault_detected = 1;
9392 		}
9393 	}
9394 
9395 	if (link_up) {
9396 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9397 		vars->duplex = DUPLEX_FULL;
9398 		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9399 	}
9400 
9401 	if ((DUAL_MEDIA(params)) &&
9402 	    (phy->req_line_speed == SPEED_1000)) {
9403 		bnx2x_cl45_read(bp, phy,
9404 				MDIO_PMA_DEVAD,
9405 				MDIO_PMA_REG_8727_PCS_GP, &val1);
9406 		/* In case of dual-media board and 1G, power up the XAUI side,
9407 		 * otherwise power it down. For 10G it is done automatically
9408 		 */
9409 		if (link_up)
9410 			val1 &= ~(3<<10);
9411 		else
9412 			val1 |= (3<<10);
9413 		bnx2x_cl45_write(bp, phy,
9414 				 MDIO_PMA_DEVAD,
9415 				 MDIO_PMA_REG_8727_PCS_GP, val1);
9416 	}
9417 	return link_up;
9418 }
9419 
9420 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9421 				  struct link_params *params)
9422 {
9423 	struct bnx2x *bp = params->bp;
9424 
9425 	/* Enable/Disable PHY transmitter output */
9426 	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9427 
9428 	/* Disable Transmitter */
9429 	bnx2x_sfp_set_transmitter(params, phy, 0);
9430 	/* Clear LASI */
9431 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9432 
9433 }
9434 
9435 /******************************************************************/
9436 /*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9437 /******************************************************************/
9438 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9439 					    struct bnx2x *bp,
9440 					    u8 port)
9441 {
9442 	u16 val, fw_ver1, fw_ver2, cnt;
9443 
9444 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9445 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9446 		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9447 				phy->ver_addr);
9448 	} else {
9449 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9450 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9451 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
9452 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9453 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
9454 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
9455 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
9456 
9457 		for (cnt = 0; cnt < 100; cnt++) {
9458 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9459 			if (val & 1)
9460 				break;
9461 			udelay(5);
9462 		}
9463 		if (cnt == 100) {
9464 			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9465 					"phy fw version(1)\n");
9466 			bnx2x_save_spirom_version(bp, port, 0,
9467 						  phy->ver_addr);
9468 			return;
9469 		}
9470 
9471 
9472 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9473 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9474 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9475 		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9476 		for (cnt = 0; cnt < 100; cnt++) {
9477 			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9478 			if (val & 1)
9479 				break;
9480 			udelay(5);
9481 		}
9482 		if (cnt == 100) {
9483 			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9484 					"version(2)\n");
9485 			bnx2x_save_spirom_version(bp, port, 0,
9486 						  phy->ver_addr);
9487 			return;
9488 		}
9489 
9490 		/* lower 16 bits of the register SPI_FW_STATUS */
9491 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9492 		/* upper 16 bits of register SPI_FW_STATUS */
9493 		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9494 
9495 		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9496 					  phy->ver_addr);
9497 	}
9498 
9499 }
9500 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9501 				struct bnx2x_phy *phy)
9502 {
9503 	u16 val, offset;
9504 
9505 	/* PHYC_CTL_LED_CTL */
9506 	bnx2x_cl45_read(bp, phy,
9507 			MDIO_PMA_DEVAD,
9508 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9509 	val &= 0xFE00;
9510 	val |= 0x0092;
9511 
9512 	bnx2x_cl45_write(bp, phy,
9513 			 MDIO_PMA_DEVAD,
9514 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9515 
9516 	bnx2x_cl45_write(bp, phy,
9517 			 MDIO_PMA_DEVAD,
9518 			 MDIO_PMA_REG_8481_LED1_MASK,
9519 			 0x80);
9520 
9521 	bnx2x_cl45_write(bp, phy,
9522 			 MDIO_PMA_DEVAD,
9523 			 MDIO_PMA_REG_8481_LED2_MASK,
9524 			 0x18);
9525 
9526 	/* Select activity source by Tx and Rx, as suggested by PHY AE */
9527 	bnx2x_cl45_write(bp, phy,
9528 			 MDIO_PMA_DEVAD,
9529 			 MDIO_PMA_REG_8481_LED3_MASK,
9530 			 0x0006);
9531 
9532 	/* Select the closest activity blink rate to that in 10/100/1000 */
9533 	bnx2x_cl45_write(bp, phy,
9534 			MDIO_PMA_DEVAD,
9535 			MDIO_PMA_REG_8481_LED3_BLINK,
9536 			0);
9537 
9538 	/* Configure the blink rate to ~15.9 Hz */
9539 	bnx2x_cl45_write(bp, phy,
9540 			MDIO_PMA_DEVAD,
9541 			MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9542 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
9543 
9544 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9545 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9546 	else
9547 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9548 
9549 	bnx2x_cl45_read(bp, phy,
9550 			MDIO_PMA_DEVAD, offset, &val);
9551 	val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
9552 	bnx2x_cl45_write(bp, phy,
9553 			 MDIO_PMA_DEVAD, offset, val);
9554 
9555 	/* 'Interrupt Mask' */
9556 	bnx2x_cl45_write(bp, phy,
9557 			 MDIO_AN_DEVAD,
9558 			 0xFFFB, 0xFFFD);
9559 }
9560 
9561 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9562 				       struct link_params *params,
9563 				       struct link_vars *vars)
9564 {
9565 	struct bnx2x *bp = params->bp;
9566 	u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
9567 
9568 	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9569 		/* Save spirom version */
9570 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9571 	}
9572 	/* This phy uses the NIG latch mechanism since link indication
9573 	 * arrives through its LED4 and not via its LASI signal, so we
9574 	 * get steady signal instead of clear on read
9575 	 */
9576 	bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9577 		      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9578 
9579 	bnx2x_cl45_write(bp, phy,
9580 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9581 
9582 	bnx2x_848xx_set_led(bp, phy);
9583 
9584 	/* set 1000 speed advertisement */
9585 	bnx2x_cl45_read(bp, phy,
9586 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9587 			&an_1000_val);
9588 
9589 	bnx2x_ext_phy_set_pause(params, phy, vars);
9590 	bnx2x_cl45_read(bp, phy,
9591 			MDIO_AN_DEVAD,
9592 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9593 			&an_10_100_val);
9594 	bnx2x_cl45_read(bp, phy,
9595 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9596 			&autoneg_val);
9597 	/* Disable forced speed */
9598 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9599 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9600 
9601 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9602 	     (phy->speed_cap_mask &
9603 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9604 	    (phy->req_line_speed == SPEED_1000)) {
9605 		an_1000_val |= (1<<8);
9606 		autoneg_val |= (1<<9 | 1<<12);
9607 		if (phy->req_duplex == DUPLEX_FULL)
9608 			an_1000_val |= (1<<9);
9609 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9610 	} else
9611 		an_1000_val &= ~((1<<8) | (1<<9));
9612 
9613 	bnx2x_cl45_write(bp, phy,
9614 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9615 			 an_1000_val);
9616 
9617 	/* set 100 speed advertisement */
9618 	if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9619 	     (phy->speed_cap_mask &
9620 	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9621 	       PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
9622 		an_10_100_val |= (1<<7);
9623 		/* Enable autoneg and restart autoneg for legacy speeds */
9624 		autoneg_val |= (1<<9 | 1<<12);
9625 
9626 		if (phy->req_duplex == DUPLEX_FULL)
9627 			an_10_100_val |= (1<<8);
9628 		DP(NETIF_MSG_LINK, "Advertising 100M\n");
9629 	}
9630 	/* set 10 speed advertisement */
9631 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9632 	     (phy->speed_cap_mask &
9633 	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
9634 	       PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
9635 	     (phy->supported &
9636 	      (SUPPORTED_10baseT_Half |
9637 	       SUPPORTED_10baseT_Full)))) {
9638 		an_10_100_val |= (1<<5);
9639 		autoneg_val |= (1<<9 | 1<<12);
9640 		if (phy->req_duplex == DUPLEX_FULL)
9641 			an_10_100_val |= (1<<6);
9642 		DP(NETIF_MSG_LINK, "Advertising 10M\n");
9643 	}
9644 
9645 	/* Only 10/100 are allowed to work in FORCE mode */
9646 	if ((phy->req_line_speed == SPEED_100) &&
9647 	    (phy->supported &
9648 	     (SUPPORTED_100baseT_Half |
9649 	      SUPPORTED_100baseT_Full))) {
9650 		autoneg_val |= (1<<13);
9651 		/* Enabled AUTO-MDIX when autoneg is disabled */
9652 		bnx2x_cl45_write(bp, phy,
9653 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9654 				 (1<<15 | 1<<9 | 7<<0));
9655 		/* The PHY needs this set even for forced link. */
9656 		an_10_100_val |= (1<<8) | (1<<7);
9657 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9658 	}
9659 	if ((phy->req_line_speed == SPEED_10) &&
9660 	    (phy->supported &
9661 	     (SUPPORTED_10baseT_Half |
9662 	      SUPPORTED_10baseT_Full))) {
9663 		/* Enabled AUTO-MDIX when autoneg is disabled */
9664 		bnx2x_cl45_write(bp, phy,
9665 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9666 				 (1<<15 | 1<<9 | 7<<0));
9667 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9668 	}
9669 
9670 	bnx2x_cl45_write(bp, phy,
9671 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9672 			 an_10_100_val);
9673 
9674 	if (phy->req_duplex == DUPLEX_FULL)
9675 		autoneg_val |= (1<<8);
9676 
9677 	/* Always write this if this is not 84833.
9678 	 * For 84833, write it only when it's a forced speed.
9679 	 */
9680 	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9681 		((autoneg_val & (1<<12)) == 0))
9682 		bnx2x_cl45_write(bp, phy,
9683 			 MDIO_AN_DEVAD,
9684 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9685 
9686 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9687 	    (phy->speed_cap_mask &
9688 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9689 		(phy->req_line_speed == SPEED_10000)) {
9690 			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9691 			/* Restart autoneg for 10G*/
9692 
9693 			bnx2x_cl45_read(bp, phy,
9694 					MDIO_AN_DEVAD,
9695 					MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9696 					&an_10g_val);
9697 			bnx2x_cl45_write(bp, phy,
9698 					 MDIO_AN_DEVAD,
9699 					 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9700 					 an_10g_val | 0x1000);
9701 			bnx2x_cl45_write(bp, phy,
9702 					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9703 					 0x3200);
9704 	} else
9705 		bnx2x_cl45_write(bp, phy,
9706 				 MDIO_AN_DEVAD,
9707 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9708 				 1);
9709 
9710 	return 0;
9711 }
9712 
9713 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9714 				  struct link_params *params,
9715 				  struct link_vars *vars)
9716 {
9717 	struct bnx2x *bp = params->bp;
9718 	/* Restore normal power mode*/
9719 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9720 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9721 
9722 	/* HW reset */
9723 	bnx2x_ext_phy_hw_reset(bp, params->port);
9724 	bnx2x_wait_reset_complete(bp, phy, params);
9725 
9726 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9727 	return bnx2x_848xx_cmn_config_init(phy, params, vars);
9728 }
9729 
9730 #define PHY84833_CMDHDLR_WAIT 300
9731 #define PHY84833_CMDHDLR_MAX_ARGS 5
9732 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9733 				   struct link_params *params,
9734 		   u16 fw_cmd,
9735 		   u16 cmd_args[], int argc)
9736 {
9737 	int idx;
9738 	u16 val;
9739 	struct bnx2x *bp = params->bp;
9740 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
9741 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9742 			MDIO_84833_CMD_HDLR_STATUS,
9743 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9744 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9745 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9746 				MDIO_84833_CMD_HDLR_STATUS, &val);
9747 		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9748 			break;
9749 		 usleep_range(1000, 2000);
9750 	}
9751 	if (idx >= PHY84833_CMDHDLR_WAIT) {
9752 		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9753 		return -EINVAL;
9754 	}
9755 
9756 	/* Prepare argument(s) and issue command */
9757 	for (idx = 0; idx < argc; idx++) {
9758 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9759 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9760 				cmd_args[idx]);
9761 	}
9762 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9763 			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9764 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9765 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9766 				MDIO_84833_CMD_HDLR_STATUS, &val);
9767 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9768 			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9769 			break;
9770 		 usleep_range(1000, 2000);
9771 	}
9772 	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9773 		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9774 		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9775 		return -EINVAL;
9776 	}
9777 	/* Gather returning data */
9778 	for (idx = 0; idx < argc; idx++) {
9779 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9780 				MDIO_84833_CMD_HDLR_DATA1 + idx,
9781 				&cmd_args[idx]);
9782 	}
9783 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9784 			MDIO_84833_CMD_HDLR_STATUS,
9785 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9786 	return 0;
9787 }
9788 
9789 
9790 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9791 				   struct link_params *params,
9792 				   struct link_vars *vars)
9793 {
9794 	u32 pair_swap;
9795 	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9796 	int status;
9797 	struct bnx2x *bp = params->bp;
9798 
9799 	/* Check for configuration. */
9800 	pair_swap = REG_RD(bp, params->shmem_base +
9801 			   offsetof(struct shmem_region,
9802 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9803 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9804 
9805 	if (pair_swap == 0)
9806 		return 0;
9807 
9808 	/* Only the second argument is used for this command */
9809 	data[1] = (u16)pair_swap;
9810 
9811 	status = bnx2x_84833_cmd_hdlr(phy, params,
9812 		PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9813 	if (status == 0)
9814 		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9815 
9816 	return status;
9817 }
9818 
9819 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9820 				      u32 shmem_base_path[],
9821 				      u32 chip_id)
9822 {
9823 	u32 reset_pin[2];
9824 	u32 idx;
9825 	u8 reset_gpios;
9826 	if (CHIP_IS_E3(bp)) {
9827 		/* Assume that these will be GPIOs, not EPIOs. */
9828 		for (idx = 0; idx < 2; idx++) {
9829 			/* Map config param to register bit. */
9830 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9831 				offsetof(struct shmem_region,
9832 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9833 			reset_pin[idx] = (reset_pin[idx] &
9834 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9835 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9836 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9837 			reset_pin[idx] = (1 << reset_pin[idx]);
9838 		}
9839 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9840 	} else {
9841 		/* E2, look from diff place of shmem. */
9842 		for (idx = 0; idx < 2; idx++) {
9843 			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9844 				offsetof(struct shmem_region,
9845 				dev_info.port_hw_config[0].default_cfg));
9846 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9847 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9848 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9849 			reset_pin[idx] = (1 << reset_pin[idx]);
9850 		}
9851 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9852 	}
9853 
9854 	return reset_gpios;
9855 }
9856 
9857 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
9858 				struct link_params *params)
9859 {
9860 	struct bnx2x *bp = params->bp;
9861 	u8 reset_gpios;
9862 	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
9863 				offsetof(struct shmem2_region,
9864 				other_shmem_base_addr));
9865 
9866 	u32 shmem_base_path[2];
9867 
9868 	/* Work around for 84833 LED failure inside RESET status */
9869 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9870 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9871 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
9872 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
9873 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
9874 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
9875 
9876 	shmem_base_path[0] = params->shmem_base;
9877 	shmem_base_path[1] = other_shmem_base_addr;
9878 
9879 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
9880 						  params->chip_id);
9881 
9882 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
9883 	udelay(10);
9884 	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
9885 		reset_gpios);
9886 
9887 	return 0;
9888 }
9889 
9890 static int bnx2x_8483x_eee_timers(struct link_params *params,
9891 				   struct link_vars *vars)
9892 {
9893 	u32 eee_idle = 0, eee_mode;
9894 	struct bnx2x *bp = params->bp;
9895 
9896 	eee_idle = bnx2x_eee_calc_timer(params);
9897 
9898 	if (eee_idle) {
9899 		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
9900 		       eee_idle);
9901 	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
9902 		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
9903 		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
9904 		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
9905 		return -EINVAL;
9906 	}
9907 
9908 	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
9909 	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
9910 		/* eee_idle in 1u --> eee_status in 16u */
9911 		eee_idle >>= 4;
9912 		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
9913 				    SHMEM_EEE_TIME_OUTPUT_BIT;
9914 	} else {
9915 		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
9916 			return -EINVAL;
9917 		vars->eee_status |= eee_mode;
9918 	}
9919 
9920 	return 0;
9921 }
9922 
9923 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
9924 				   struct link_params *params,
9925 				   struct link_vars *vars)
9926 {
9927 	int rc;
9928 	struct bnx2x *bp = params->bp;
9929 	u16 cmd_args = 0;
9930 
9931 	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
9932 
9933 	/* Make Certain LPI is disabled */
9934 	REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
9935 	REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0);
9936 
9937 	/* Prevent Phy from working in EEE and advertising it */
9938 	rc = bnx2x_84833_cmd_hdlr(phy, params,
9939 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
9940 	if (rc) {
9941 		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
9942 		return rc;
9943 	}
9944 
9945 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0);
9946 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
9947 
9948 	return 0;
9949 }
9950 
9951 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
9952 				   struct link_params *params,
9953 				   struct link_vars *vars)
9954 {
9955 	int rc;
9956 	struct bnx2x *bp = params->bp;
9957 	u16 cmd_args = 1;
9958 
9959 	DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
9960 
9961 	rc = bnx2x_84833_cmd_hdlr(phy, params,
9962 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
9963 	if (rc) {
9964 		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
9965 		return rc;
9966 	}
9967 
9968 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8);
9969 
9970 	/* Mask events preventing LPI generation */
9971 	REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
9972 
9973 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
9974 	vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT);
9975 
9976 	return 0;
9977 }
9978 
9979 #define PHY84833_CONSTANT_LATENCY 1193
9980 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
9981 				   struct link_params *params,
9982 				   struct link_vars *vars)
9983 {
9984 	struct bnx2x *bp = params->bp;
9985 	u8 port, initialize = 1;
9986 	u16 val;
9987 	u32 actual_phy_selection, cms_enable;
9988 	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
9989 	int rc = 0;
9990 
9991 	 usleep_range(1000, 2000);
9992 
9993 	if (!(CHIP_IS_E1x(bp)))
9994 		port = BP_PATH(bp);
9995 	else
9996 		port = params->port;
9997 
9998 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
9999 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10000 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10001 			       port);
10002 	} else {
10003 		/* MDIO reset */
10004 		bnx2x_cl45_write(bp, phy,
10005 				MDIO_PMA_DEVAD,
10006 				MDIO_PMA_REG_CTRL, 0x8000);
10007 	}
10008 
10009 	bnx2x_wait_reset_complete(bp, phy, params);
10010 
10011 	/* Wait for GPHY to come out of reset */
10012 	msleep(50);
10013 	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10014 		/* BCM84823 requires that XGXS links up first @ 10G for normal
10015 		 * behavior.
10016 		 */
10017 		u16 temp;
10018 		temp = vars->line_speed;
10019 		vars->line_speed = SPEED_10000;
10020 		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10021 		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10022 		vars->line_speed = temp;
10023 	}
10024 
10025 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10026 			MDIO_CTL_REG_84823_MEDIA, &val);
10027 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10028 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10029 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10030 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10031 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10032 
10033 	if (CHIP_IS_E3(bp)) {
10034 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10035 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10036 	} else {
10037 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10038 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10039 	}
10040 
10041 	actual_phy_selection = bnx2x_phy_selection(params);
10042 
10043 	switch (actual_phy_selection) {
10044 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10045 		/* Do nothing. Essentially this is like the priority copper */
10046 		break;
10047 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10048 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10049 		break;
10050 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10051 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10052 		break;
10053 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10054 		/* Do nothing here. The first PHY won't be initialized at all */
10055 		break;
10056 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10057 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10058 		initialize = 0;
10059 		break;
10060 	}
10061 	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10062 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10063 
10064 	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10065 			 MDIO_CTL_REG_84823_MEDIA, val);
10066 	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10067 		   params->multi_phy_config, val);
10068 
10069 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10070 		bnx2x_84833_pair_swap_cfg(phy, params, vars);
10071 
10072 		/* Keep AutogrEEEn disabled. */
10073 		cmd_args[0] = 0x0;
10074 		cmd_args[1] = 0x0;
10075 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10076 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10077 		rc = bnx2x_84833_cmd_hdlr(phy, params,
10078 			PHY84833_CMD_SET_EEE_MODE, cmd_args,
10079 			PHY84833_CMDHDLR_MAX_ARGS);
10080 		if (rc)
10081 			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10082 	}
10083 	if (initialize)
10084 		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10085 	else
10086 		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10087 	/* 84833 PHY has a better feature and doesn't need to support this. */
10088 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10089 		cms_enable = REG_RD(bp, params->shmem_base +
10090 			offsetof(struct shmem_region,
10091 			dev_info.port_hw_config[params->port].default_cfg)) &
10092 			PORT_HW_CFG_ENABLE_CMS_MASK;
10093 
10094 		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10095 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10096 		if (cms_enable)
10097 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10098 		else
10099 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10100 		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10101 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10102 	}
10103 
10104 	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10105 			MDIO_84833_TOP_CFG_FW_REV, &val);
10106 
10107 	/* Configure EEE support */
10108 	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) {
10109 		phy->flags |= FLAGS_EEE_10GBT;
10110 		vars->eee_status |= SHMEM_EEE_10G_ADV <<
10111 				    SHMEM_EEE_SUPPORTED_SHIFT;
10112 		/* Propogate params' bits --> vars (for migration exposure) */
10113 		if (params->eee_mode & EEE_MODE_ENABLE_LPI)
10114 			vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
10115 		else
10116 			vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
10117 
10118 		if (params->eee_mode & EEE_MODE_ADV_LPI)
10119 			vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
10120 		else
10121 			vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
10122 
10123 		rc = bnx2x_8483x_eee_timers(params, vars);
10124 		if (rc) {
10125 			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10126 			bnx2x_8483x_disable_eee(phy, params, vars);
10127 			return rc;
10128 		}
10129 
10130 		if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
10131 		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
10132 		    (bnx2x_eee_calc_timer(params) ||
10133 		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10134 			rc = bnx2x_8483x_enable_eee(phy, params, vars);
10135 		else
10136 			rc = bnx2x_8483x_disable_eee(phy, params, vars);
10137 		if (rc) {
10138 			DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
10139 			return rc;
10140 		}
10141 	} else {
10142 		phy->flags &= ~FLAGS_EEE_10GBT;
10143 		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10144 	}
10145 
10146 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10147 		/* Bring PHY out of super isolate mode as the final step. */
10148 		bnx2x_cl45_read(bp, phy,
10149 				MDIO_CTL_DEVAD,
10150 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
10151 		val &= ~MDIO_84833_SUPER_ISOLATE;
10152 		bnx2x_cl45_write(bp, phy,
10153 				MDIO_CTL_DEVAD,
10154 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
10155 	}
10156 	return rc;
10157 }
10158 
10159 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10160 				  struct link_params *params,
10161 				  struct link_vars *vars)
10162 {
10163 	struct bnx2x *bp = params->bp;
10164 	u16 val, val1, val2;
10165 	u8 link_up = 0;
10166 
10167 
10168 	/* Check 10G-BaseT link status */
10169 	/* Check PMD signal ok */
10170 	bnx2x_cl45_read(bp, phy,
10171 			MDIO_AN_DEVAD, 0xFFFA, &val1);
10172 	bnx2x_cl45_read(bp, phy,
10173 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10174 			&val2);
10175 	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10176 
10177 	/* Check link 10G */
10178 	if (val2 & (1<<11)) {
10179 		vars->line_speed = SPEED_10000;
10180 		vars->duplex = DUPLEX_FULL;
10181 		link_up = 1;
10182 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10183 	} else { /* Check Legacy speed link */
10184 		u16 legacy_status, legacy_speed;
10185 
10186 		/* Enable expansion register 0x42 (Operation mode status) */
10187 		bnx2x_cl45_write(bp, phy,
10188 				 MDIO_AN_DEVAD,
10189 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10190 
10191 		/* Get legacy speed operation status */
10192 		bnx2x_cl45_read(bp, phy,
10193 				MDIO_AN_DEVAD,
10194 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10195 				&legacy_status);
10196 
10197 		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10198 		   legacy_status);
10199 		link_up = ((legacy_status & (1<<11)) == (1<<11));
10200 		legacy_speed = (legacy_status & (3<<9));
10201 		if (legacy_speed == (0<<9))
10202 			vars->line_speed = SPEED_10;
10203 		else if (legacy_speed == (1<<9))
10204 			vars->line_speed = SPEED_100;
10205 		else if (legacy_speed == (2<<9))
10206 			vars->line_speed = SPEED_1000;
10207 		else { /* Should not happen: Treat as link down */
10208 			vars->line_speed = 0;
10209 			link_up = 0;
10210 		}
10211 
10212 		if (link_up) {
10213 			if (legacy_status & (1<<8))
10214 				vars->duplex = DUPLEX_FULL;
10215 			else
10216 				vars->duplex = DUPLEX_HALF;
10217 
10218 			DP(NETIF_MSG_LINK,
10219 			   "Link is up in %dMbps, is_duplex_full= %d\n",
10220 			   vars->line_speed,
10221 			   (vars->duplex == DUPLEX_FULL));
10222 			/* Check legacy speed AN resolution */
10223 			bnx2x_cl45_read(bp, phy,
10224 					MDIO_AN_DEVAD,
10225 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10226 					&val);
10227 			if (val & (1<<5))
10228 				vars->link_status |=
10229 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10230 			bnx2x_cl45_read(bp, phy,
10231 					MDIO_AN_DEVAD,
10232 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10233 					&val);
10234 			if ((val & (1<<0)) == 0)
10235 				vars->link_status |=
10236 					LINK_STATUS_PARALLEL_DETECTION_USED;
10237 		}
10238 	}
10239 	if (link_up) {
10240 		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10241 			   vars->line_speed);
10242 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10243 
10244 		/* Read LP advertised speeds */
10245 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10246 				MDIO_AN_REG_CL37_FC_LP, &val);
10247 		if (val & (1<<5))
10248 			vars->link_status |=
10249 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10250 		if (val & (1<<6))
10251 			vars->link_status |=
10252 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10253 		if (val & (1<<7))
10254 			vars->link_status |=
10255 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10256 		if (val & (1<<8))
10257 			vars->link_status |=
10258 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10259 		if (val & (1<<9))
10260 			vars->link_status |=
10261 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10262 
10263 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10264 				MDIO_AN_REG_1000T_STATUS, &val);
10265 
10266 		if (val & (1<<10))
10267 			vars->link_status |=
10268 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10269 		if (val & (1<<11))
10270 			vars->link_status |=
10271 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10272 
10273 		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10274 				MDIO_AN_REG_MASTER_STATUS, &val);
10275 
10276 		if (val & (1<<11))
10277 			vars->link_status |=
10278 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10279 
10280 		/* Determine if EEE was negotiated */
10281 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10282 			u32 eee_shmem = 0;
10283 
10284 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10285 					MDIO_AN_REG_EEE_ADV, &val1);
10286 			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10287 					MDIO_AN_REG_LP_EEE_ADV, &val2);
10288 			if ((val1 & val2) & 0x8) {
10289 				DP(NETIF_MSG_LINK, "EEE negotiated\n");
10290 				vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
10291 			}
10292 
10293 			if (val2 & 0x12)
10294 				eee_shmem |= SHMEM_EEE_100M_ADV;
10295 			if (val2 & 0x4)
10296 				eee_shmem |= SHMEM_EEE_1G_ADV;
10297 			if (val2 & 0x68)
10298 				eee_shmem |= SHMEM_EEE_10G_ADV;
10299 
10300 			vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
10301 			vars->eee_status |= (eee_shmem <<
10302 					     SHMEM_EEE_LP_ADV_STATUS_SHIFT);
10303 		}
10304 	}
10305 
10306 	return link_up;
10307 }
10308 
10309 
10310 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10311 {
10312 	int status = 0;
10313 	u32 spirom_ver;
10314 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10315 	status = bnx2x_format_ver(spirom_ver, str, len);
10316 	return status;
10317 }
10318 
10319 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10320 				struct link_params *params)
10321 {
10322 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10323 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10324 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10325 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10326 }
10327 
10328 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10329 					struct link_params *params)
10330 {
10331 	bnx2x_cl45_write(params->bp, phy,
10332 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10333 	bnx2x_cl45_write(params->bp, phy,
10334 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10335 }
10336 
10337 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10338 				   struct link_params *params)
10339 {
10340 	struct bnx2x *bp = params->bp;
10341 	u8 port;
10342 	u16 val16;
10343 
10344 	if (!(CHIP_IS_E1x(bp)))
10345 		port = BP_PATH(bp);
10346 	else
10347 		port = params->port;
10348 
10349 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10350 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10351 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10352 			       port);
10353 	} else {
10354 		bnx2x_cl45_read(bp, phy,
10355 				MDIO_CTL_DEVAD,
10356 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10357 		val16 |= MDIO_84833_SUPER_ISOLATE;
10358 		bnx2x_cl45_write(bp, phy,
10359 				 MDIO_CTL_DEVAD,
10360 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10361 	}
10362 }
10363 
10364 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10365 				     struct link_params *params, u8 mode)
10366 {
10367 	struct bnx2x *bp = params->bp;
10368 	u16 val;
10369 	u8 port;
10370 
10371 	if (!(CHIP_IS_E1x(bp)))
10372 		port = BP_PATH(bp);
10373 	else
10374 		port = params->port;
10375 
10376 	switch (mode) {
10377 	case LED_MODE_OFF:
10378 
10379 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10380 
10381 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10382 		    SHARED_HW_CFG_LED_EXTPHY1) {
10383 
10384 			/* Set LED masks */
10385 			bnx2x_cl45_write(bp, phy,
10386 					MDIO_PMA_DEVAD,
10387 					MDIO_PMA_REG_8481_LED1_MASK,
10388 					0x0);
10389 
10390 			bnx2x_cl45_write(bp, phy,
10391 					MDIO_PMA_DEVAD,
10392 					MDIO_PMA_REG_8481_LED2_MASK,
10393 					0x0);
10394 
10395 			bnx2x_cl45_write(bp, phy,
10396 					MDIO_PMA_DEVAD,
10397 					MDIO_PMA_REG_8481_LED3_MASK,
10398 					0x0);
10399 
10400 			bnx2x_cl45_write(bp, phy,
10401 					MDIO_PMA_DEVAD,
10402 					MDIO_PMA_REG_8481_LED5_MASK,
10403 					0x0);
10404 
10405 		} else {
10406 			bnx2x_cl45_write(bp, phy,
10407 					 MDIO_PMA_DEVAD,
10408 					 MDIO_PMA_REG_8481_LED1_MASK,
10409 					 0x0);
10410 		}
10411 		break;
10412 	case LED_MODE_FRONT_PANEL_OFF:
10413 
10414 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10415 		   port);
10416 
10417 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10418 		    SHARED_HW_CFG_LED_EXTPHY1) {
10419 
10420 			/* Set LED masks */
10421 			bnx2x_cl45_write(bp, phy,
10422 					 MDIO_PMA_DEVAD,
10423 					 MDIO_PMA_REG_8481_LED1_MASK,
10424 					 0x0);
10425 
10426 			bnx2x_cl45_write(bp, phy,
10427 					 MDIO_PMA_DEVAD,
10428 					 MDIO_PMA_REG_8481_LED2_MASK,
10429 					 0x0);
10430 
10431 			bnx2x_cl45_write(bp, phy,
10432 					 MDIO_PMA_DEVAD,
10433 					 MDIO_PMA_REG_8481_LED3_MASK,
10434 					 0x0);
10435 
10436 			bnx2x_cl45_write(bp, phy,
10437 					 MDIO_PMA_DEVAD,
10438 					 MDIO_PMA_REG_8481_LED5_MASK,
10439 					 0x20);
10440 
10441 		} else {
10442 			bnx2x_cl45_write(bp, phy,
10443 					 MDIO_PMA_DEVAD,
10444 					 MDIO_PMA_REG_8481_LED1_MASK,
10445 					 0x0);
10446 		}
10447 		break;
10448 	case LED_MODE_ON:
10449 
10450 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10451 
10452 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10453 		    SHARED_HW_CFG_LED_EXTPHY1) {
10454 			/* Set control reg */
10455 			bnx2x_cl45_read(bp, phy,
10456 					MDIO_PMA_DEVAD,
10457 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10458 					&val);
10459 			val &= 0x8000;
10460 			val |= 0x2492;
10461 
10462 			bnx2x_cl45_write(bp, phy,
10463 					 MDIO_PMA_DEVAD,
10464 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10465 					 val);
10466 
10467 			/* Set LED masks */
10468 			bnx2x_cl45_write(bp, phy,
10469 					 MDIO_PMA_DEVAD,
10470 					 MDIO_PMA_REG_8481_LED1_MASK,
10471 					 0x0);
10472 
10473 			bnx2x_cl45_write(bp, phy,
10474 					 MDIO_PMA_DEVAD,
10475 					 MDIO_PMA_REG_8481_LED2_MASK,
10476 					 0x20);
10477 
10478 			bnx2x_cl45_write(bp, phy,
10479 					 MDIO_PMA_DEVAD,
10480 					 MDIO_PMA_REG_8481_LED3_MASK,
10481 					 0x20);
10482 
10483 			bnx2x_cl45_write(bp, phy,
10484 					 MDIO_PMA_DEVAD,
10485 					 MDIO_PMA_REG_8481_LED5_MASK,
10486 					 0x0);
10487 		} else {
10488 			bnx2x_cl45_write(bp, phy,
10489 					 MDIO_PMA_DEVAD,
10490 					 MDIO_PMA_REG_8481_LED1_MASK,
10491 					 0x20);
10492 		}
10493 		break;
10494 
10495 	case LED_MODE_OPER:
10496 
10497 		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10498 
10499 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10500 		    SHARED_HW_CFG_LED_EXTPHY1) {
10501 
10502 			/* Set control reg */
10503 			bnx2x_cl45_read(bp, phy,
10504 					MDIO_PMA_DEVAD,
10505 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10506 					&val);
10507 
10508 			if (!((val &
10509 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10510 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10511 				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10512 				bnx2x_cl45_write(bp, phy,
10513 						 MDIO_PMA_DEVAD,
10514 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10515 						 0xa492);
10516 			}
10517 
10518 			/* Set LED masks */
10519 			bnx2x_cl45_write(bp, phy,
10520 					 MDIO_PMA_DEVAD,
10521 					 MDIO_PMA_REG_8481_LED1_MASK,
10522 					 0x10);
10523 
10524 			bnx2x_cl45_write(bp, phy,
10525 					 MDIO_PMA_DEVAD,
10526 					 MDIO_PMA_REG_8481_LED2_MASK,
10527 					 0x80);
10528 
10529 			bnx2x_cl45_write(bp, phy,
10530 					 MDIO_PMA_DEVAD,
10531 					 MDIO_PMA_REG_8481_LED3_MASK,
10532 					 0x98);
10533 
10534 			bnx2x_cl45_write(bp, phy,
10535 					 MDIO_PMA_DEVAD,
10536 					 MDIO_PMA_REG_8481_LED5_MASK,
10537 					 0x40);
10538 
10539 		} else {
10540 			bnx2x_cl45_write(bp, phy,
10541 					 MDIO_PMA_DEVAD,
10542 					 MDIO_PMA_REG_8481_LED1_MASK,
10543 					 0x80);
10544 
10545 			/* Tell LED3 to blink on source */
10546 			bnx2x_cl45_read(bp, phy,
10547 					MDIO_PMA_DEVAD,
10548 					MDIO_PMA_REG_8481_LINK_SIGNAL,
10549 					&val);
10550 			val &= ~(7<<6);
10551 			val |= (1<<6); /* A83B[8:6]= 1 */
10552 			bnx2x_cl45_write(bp, phy,
10553 					 MDIO_PMA_DEVAD,
10554 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10555 					 val);
10556 		}
10557 		break;
10558 	}
10559 
10560 	/* This is a workaround for E3+84833 until autoneg
10561 	 * restart is fixed in f/w
10562 	 */
10563 	if (CHIP_IS_E3(bp)) {
10564 		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10565 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10566 	}
10567 }
10568 
10569 /******************************************************************/
10570 /*			54618SE PHY SECTION			  */
10571 /******************************************************************/
10572 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10573 					       struct link_params *params,
10574 					       struct link_vars *vars)
10575 {
10576 	struct bnx2x *bp = params->bp;
10577 	u8 port;
10578 	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10579 	u32 cfg_pin;
10580 
10581 	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10582 	usleep_range(1000, 2000);
10583 
10584 	/* This works with E3 only, no need to check the chip
10585 	 * before determining the port.
10586 	 */
10587 	port = params->port;
10588 
10589 	cfg_pin = (REG_RD(bp, params->shmem_base +
10590 			offsetof(struct shmem_region,
10591 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10592 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10593 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10594 
10595 	/* Drive pin high to bring the GPHY out of reset. */
10596 	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10597 
10598 	/* wait for GPHY to reset */
10599 	msleep(50);
10600 
10601 	/* reset phy */
10602 	bnx2x_cl22_write(bp, phy,
10603 			 MDIO_PMA_REG_CTRL, 0x8000);
10604 	bnx2x_wait_reset_complete(bp, phy, params);
10605 
10606 	/* Wait for GPHY to reset */
10607 	msleep(50);
10608 
10609 	/* Configure LED4: set to INTR (0x6). */
10610 	/* Accessing shadow register 0xe. */
10611 	bnx2x_cl22_write(bp, phy,
10612 			MDIO_REG_GPHY_SHADOW,
10613 			MDIO_REG_GPHY_SHADOW_LED_SEL2);
10614 	bnx2x_cl22_read(bp, phy,
10615 			MDIO_REG_GPHY_SHADOW,
10616 			&temp);
10617 	temp &= ~(0xf << 4);
10618 	temp |= (0x6 << 4);
10619 	bnx2x_cl22_write(bp, phy,
10620 			MDIO_REG_GPHY_SHADOW,
10621 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10622 	/* Configure INTR based on link status change. */
10623 	bnx2x_cl22_write(bp, phy,
10624 			MDIO_REG_INTR_MASK,
10625 			~MDIO_REG_INTR_MASK_LINK_STATUS);
10626 
10627 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10628 	bnx2x_cl22_write(bp, phy,
10629 			MDIO_REG_GPHY_SHADOW,
10630 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10631 	bnx2x_cl22_read(bp, phy,
10632 			MDIO_REG_GPHY_SHADOW,
10633 			&temp);
10634 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10635 	bnx2x_cl22_write(bp, phy,
10636 			MDIO_REG_GPHY_SHADOW,
10637 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10638 
10639 	/* Set up fc */
10640 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10641 	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10642 	fc_val = 0;
10643 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10644 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10645 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10646 
10647 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10648 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10649 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10650 
10651 	/* Read all advertisement */
10652 	bnx2x_cl22_read(bp, phy,
10653 			0x09,
10654 			&an_1000_val);
10655 
10656 	bnx2x_cl22_read(bp, phy,
10657 			0x04,
10658 			&an_10_100_val);
10659 
10660 	bnx2x_cl22_read(bp, phy,
10661 			MDIO_PMA_REG_CTRL,
10662 			&autoneg_val);
10663 
10664 	/* Disable forced speed */
10665 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10666 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10667 			   (1<<11));
10668 
10669 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10670 			(phy->speed_cap_mask &
10671 			PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10672 			(phy->req_line_speed == SPEED_1000)) {
10673 		an_1000_val |= (1<<8);
10674 		autoneg_val |= (1<<9 | 1<<12);
10675 		if (phy->req_duplex == DUPLEX_FULL)
10676 			an_1000_val |= (1<<9);
10677 		DP(NETIF_MSG_LINK, "Advertising 1G\n");
10678 	} else
10679 		an_1000_val &= ~((1<<8) | (1<<9));
10680 
10681 	bnx2x_cl22_write(bp, phy,
10682 			0x09,
10683 			an_1000_val);
10684 	bnx2x_cl22_read(bp, phy,
10685 			0x09,
10686 			&an_1000_val);
10687 
10688 	/* Set 100 speed advertisement */
10689 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10690 			(phy->speed_cap_mask &
10691 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
10692 			PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
10693 		an_10_100_val |= (1<<7);
10694 		/* Enable autoneg and restart autoneg for legacy speeds */
10695 		autoneg_val |= (1<<9 | 1<<12);
10696 
10697 		if (phy->req_duplex == DUPLEX_FULL)
10698 			an_10_100_val |= (1<<8);
10699 		DP(NETIF_MSG_LINK, "Advertising 100M\n");
10700 	}
10701 
10702 	/* Set 10 speed advertisement */
10703 	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10704 			(phy->speed_cap_mask &
10705 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
10706 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
10707 		an_10_100_val |= (1<<5);
10708 		autoneg_val |= (1<<9 | 1<<12);
10709 		if (phy->req_duplex == DUPLEX_FULL)
10710 			an_10_100_val |= (1<<6);
10711 		DP(NETIF_MSG_LINK, "Advertising 10M\n");
10712 	}
10713 
10714 	/* Only 10/100 are allowed to work in FORCE mode */
10715 	if (phy->req_line_speed == SPEED_100) {
10716 		autoneg_val |= (1<<13);
10717 		/* Enabled AUTO-MDIX when autoneg is disabled */
10718 		bnx2x_cl22_write(bp, phy,
10719 				0x18,
10720 				(1<<15 | 1<<9 | 7<<0));
10721 		DP(NETIF_MSG_LINK, "Setting 100M force\n");
10722 	}
10723 	if (phy->req_line_speed == SPEED_10) {
10724 		/* Enabled AUTO-MDIX when autoneg is disabled */
10725 		bnx2x_cl22_write(bp, phy,
10726 				0x18,
10727 				(1<<15 | 1<<9 | 7<<0));
10728 		DP(NETIF_MSG_LINK, "Setting 10M force\n");
10729 	}
10730 
10731 	/* Check if we should turn on Auto-GrEEEn */
10732 	bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
10733 	if (temp == MDIO_REG_GPHY_ID_54618SE) {
10734 		if (params->feature_config_flags &
10735 		    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10736 			temp = 6;
10737 			DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10738 		} else {
10739 			temp = 0;
10740 			DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
10741 		}
10742 		bnx2x_cl22_write(bp, phy,
10743 				 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
10744 		bnx2x_cl22_write(bp, phy,
10745 				 MDIO_REG_GPHY_CL45_DATA_REG,
10746 				 MDIO_REG_GPHY_EEE_ADV);
10747 		bnx2x_cl22_write(bp, phy,
10748 				 MDIO_REG_GPHY_CL45_ADDR_REG,
10749 				 (0x1 << 14) | MDIO_AN_DEVAD);
10750 		bnx2x_cl22_write(bp, phy,
10751 				 MDIO_REG_GPHY_CL45_DATA_REG,
10752 				 temp);
10753 	}
10754 
10755 	bnx2x_cl22_write(bp, phy,
10756 			0x04,
10757 			an_10_100_val | fc_val);
10758 
10759 	if (phy->req_duplex == DUPLEX_FULL)
10760 		autoneg_val |= (1<<8);
10761 
10762 	bnx2x_cl22_write(bp, phy,
10763 			MDIO_PMA_REG_CTRL, autoneg_val);
10764 
10765 	return 0;
10766 }
10767 
10768 
10769 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10770 				       struct link_params *params, u8 mode)
10771 {
10772 	struct bnx2x *bp = params->bp;
10773 	u16 temp;
10774 
10775 	bnx2x_cl22_write(bp, phy,
10776 		MDIO_REG_GPHY_SHADOW,
10777 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
10778 	bnx2x_cl22_read(bp, phy,
10779 		MDIO_REG_GPHY_SHADOW,
10780 		&temp);
10781 	temp &= 0xff00;
10782 
10783 	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10784 	switch (mode) {
10785 	case LED_MODE_FRONT_PANEL_OFF:
10786 	case LED_MODE_OFF:
10787 		temp |= 0x00ee;
10788 		break;
10789 	case LED_MODE_OPER:
10790 		temp |= 0x0001;
10791 		break;
10792 	case LED_MODE_ON:
10793 		temp |= 0x00ff;
10794 		break;
10795 	default:
10796 		break;
10797 	}
10798 	bnx2x_cl22_write(bp, phy,
10799 		MDIO_REG_GPHY_SHADOW,
10800 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10801 	return;
10802 }
10803 
10804 
10805 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10806 				     struct link_params *params)
10807 {
10808 	struct bnx2x *bp = params->bp;
10809 	u32 cfg_pin;
10810 	u8 port;
10811 
10812 	/* In case of no EPIO routed to reset the GPHY, put it
10813 	 * in low power mode.
10814 	 */
10815 	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10816 	/* This works with E3 only, no need to check the chip
10817 	 * before determining the port.
10818 	 */
10819 	port = params->port;
10820 	cfg_pin = (REG_RD(bp, params->shmem_base +
10821 			offsetof(struct shmem_region,
10822 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10823 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10824 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10825 
10826 	/* Drive pin low to put GPHY in reset. */
10827 	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
10828 }
10829 
10830 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
10831 				    struct link_params *params,
10832 				    struct link_vars *vars)
10833 {
10834 	struct bnx2x *bp = params->bp;
10835 	u16 val;
10836 	u8 link_up = 0;
10837 	u16 legacy_status, legacy_speed;
10838 
10839 	/* Get speed operation status */
10840 	bnx2x_cl22_read(bp, phy,
10841 			MDIO_REG_GPHY_AUX_STATUS,
10842 			&legacy_status);
10843 	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
10844 
10845 	/* Read status to clear the PHY interrupt. */
10846 	bnx2x_cl22_read(bp, phy,
10847 			MDIO_REG_INTR_STATUS,
10848 			&val);
10849 
10850 	link_up = ((legacy_status & (1<<2)) == (1<<2));
10851 
10852 	if (link_up) {
10853 		legacy_speed = (legacy_status & (7<<8));
10854 		if (legacy_speed == (7<<8)) {
10855 			vars->line_speed = SPEED_1000;
10856 			vars->duplex = DUPLEX_FULL;
10857 		} else if (legacy_speed == (6<<8)) {
10858 			vars->line_speed = SPEED_1000;
10859 			vars->duplex = DUPLEX_HALF;
10860 		} else if (legacy_speed == (5<<8)) {
10861 			vars->line_speed = SPEED_100;
10862 			vars->duplex = DUPLEX_FULL;
10863 		}
10864 		/* Omitting 100Base-T4 for now */
10865 		else if (legacy_speed == (3<<8)) {
10866 			vars->line_speed = SPEED_100;
10867 			vars->duplex = DUPLEX_HALF;
10868 		} else if (legacy_speed == (2<<8)) {
10869 			vars->line_speed = SPEED_10;
10870 			vars->duplex = DUPLEX_FULL;
10871 		} else if (legacy_speed == (1<<8)) {
10872 			vars->line_speed = SPEED_10;
10873 			vars->duplex = DUPLEX_HALF;
10874 		} else /* Should not happen */
10875 			vars->line_speed = 0;
10876 
10877 		DP(NETIF_MSG_LINK,
10878 		   "Link is up in %dMbps, is_duplex_full= %d\n",
10879 		   vars->line_speed,
10880 		   (vars->duplex == DUPLEX_FULL));
10881 
10882 		/* Check legacy speed AN resolution */
10883 		bnx2x_cl22_read(bp, phy,
10884 				0x01,
10885 				&val);
10886 		if (val & (1<<5))
10887 			vars->link_status |=
10888 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10889 		bnx2x_cl22_read(bp, phy,
10890 				0x06,
10891 				&val);
10892 		if ((val & (1<<0)) == 0)
10893 			vars->link_status |=
10894 				LINK_STATUS_PARALLEL_DETECTION_USED;
10895 
10896 		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
10897 			   vars->line_speed);
10898 
10899 		/* Report whether EEE is resolved. */
10900 		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
10901 		if (val == MDIO_REG_GPHY_ID_54618SE) {
10902 			if (vars->link_status &
10903 			    LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
10904 				val = 0;
10905 			else {
10906 				bnx2x_cl22_write(bp, phy,
10907 					MDIO_REG_GPHY_CL45_ADDR_REG,
10908 					MDIO_AN_DEVAD);
10909 				bnx2x_cl22_write(bp, phy,
10910 					MDIO_REG_GPHY_CL45_DATA_REG,
10911 					MDIO_REG_GPHY_EEE_RESOLVED);
10912 				bnx2x_cl22_write(bp, phy,
10913 					MDIO_REG_GPHY_CL45_ADDR_REG,
10914 					(0x1 << 14) | MDIO_AN_DEVAD);
10915 				bnx2x_cl22_read(bp, phy,
10916 					MDIO_REG_GPHY_CL45_DATA_REG,
10917 					&val);
10918 			}
10919 			DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
10920 		}
10921 
10922 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10923 
10924 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
10925 			/* Report LP advertised speeds */
10926 			bnx2x_cl22_read(bp, phy, 0x5, &val);
10927 
10928 			if (val & (1<<5))
10929 				vars->link_status |=
10930 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10931 			if (val & (1<<6))
10932 				vars->link_status |=
10933 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10934 			if (val & (1<<7))
10935 				vars->link_status |=
10936 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10937 			if (val & (1<<8))
10938 				vars->link_status |=
10939 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10940 			if (val & (1<<9))
10941 				vars->link_status |=
10942 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10943 
10944 			bnx2x_cl22_read(bp, phy, 0xa, &val);
10945 			if (val & (1<<10))
10946 				vars->link_status |=
10947 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10948 			if (val & (1<<11))
10949 				vars->link_status |=
10950 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10951 		}
10952 	}
10953 	return link_up;
10954 }
10955 
10956 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
10957 					  struct link_params *params)
10958 {
10959 	struct bnx2x *bp = params->bp;
10960 	u16 val;
10961 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
10962 
10963 	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
10964 
10965 	/* Enable master/slave manual mmode and set to master */
10966 	/* mii write 9 [bits set 11 12] */
10967 	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
10968 
10969 	/* forced 1G and disable autoneg */
10970 	/* set val [mii read 0] */
10971 	/* set val [expr $val & [bits clear 6 12 13]] */
10972 	/* set val [expr $val | [bits set 6 8]] */
10973 	/* mii write 0 $val */
10974 	bnx2x_cl22_read(bp, phy, 0x00, &val);
10975 	val &= ~((1<<6) | (1<<12) | (1<<13));
10976 	val |= (1<<6) | (1<<8);
10977 	bnx2x_cl22_write(bp, phy, 0x00, val);
10978 
10979 	/* Set external loopback and Tx using 6dB coding */
10980 	/* mii write 0x18 7 */
10981 	/* set val [mii read 0x18] */
10982 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
10983 	bnx2x_cl22_write(bp, phy, 0x18, 7);
10984 	bnx2x_cl22_read(bp, phy, 0x18, &val);
10985 	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
10986 
10987 	/* This register opens the gate for the UMAC despite its name */
10988 	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
10989 
10990 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
10991 	 * length used by the MAC receive logic to check frames.
10992 	 */
10993 	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
10994 }
10995 
10996 /******************************************************************/
10997 /*			SFX7101 PHY SECTION			  */
10998 /******************************************************************/
10999 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11000 				       struct link_params *params)
11001 {
11002 	struct bnx2x *bp = params->bp;
11003 	/* SFX7101_XGXS_TEST1 */
11004 	bnx2x_cl45_write(bp, phy,
11005 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11006 }
11007 
11008 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11009 				  struct link_params *params,
11010 				  struct link_vars *vars)
11011 {
11012 	u16 fw_ver1, fw_ver2, val;
11013 	struct bnx2x *bp = params->bp;
11014 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11015 
11016 	/* Restore normal power mode*/
11017 	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11018 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11019 	/* HW reset */
11020 	bnx2x_ext_phy_hw_reset(bp, params->port);
11021 	bnx2x_wait_reset_complete(bp, phy, params);
11022 
11023 	bnx2x_cl45_write(bp, phy,
11024 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11025 	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11026 	bnx2x_cl45_write(bp, phy,
11027 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11028 
11029 	bnx2x_ext_phy_set_pause(params, phy, vars);
11030 	/* Restart autoneg */
11031 	bnx2x_cl45_read(bp, phy,
11032 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11033 	val |= 0x200;
11034 	bnx2x_cl45_write(bp, phy,
11035 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11036 
11037 	/* Save spirom version */
11038 	bnx2x_cl45_read(bp, phy,
11039 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11040 
11041 	bnx2x_cl45_read(bp, phy,
11042 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11043 	bnx2x_save_spirom_version(bp, params->port,
11044 				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11045 	return 0;
11046 }
11047 
11048 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11049 				 struct link_params *params,
11050 				 struct link_vars *vars)
11051 {
11052 	struct bnx2x *bp = params->bp;
11053 	u8 link_up;
11054 	u16 val1, val2;
11055 	bnx2x_cl45_read(bp, phy,
11056 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11057 	bnx2x_cl45_read(bp, phy,
11058 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11059 	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11060 		   val2, val1);
11061 	bnx2x_cl45_read(bp, phy,
11062 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11063 	bnx2x_cl45_read(bp, phy,
11064 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11065 	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11066 		   val2, val1);
11067 	link_up = ((val1 & 4) == 4);
11068 	/* If link is up print the AN outcome of the SFX7101 PHY */
11069 	if (link_up) {
11070 		bnx2x_cl45_read(bp, phy,
11071 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11072 				&val2);
11073 		vars->line_speed = SPEED_10000;
11074 		vars->duplex = DUPLEX_FULL;
11075 		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11076 			   val2, (val2 & (1<<14)));
11077 		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11078 		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11079 
11080 		/* Read LP advertised speeds */
11081 		if (val2 & (1<<11))
11082 			vars->link_status |=
11083 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11084 	}
11085 	return link_up;
11086 }
11087 
11088 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11089 {
11090 	if (*len < 5)
11091 		return -EINVAL;
11092 	str[0] = (spirom_ver & 0xFF);
11093 	str[1] = (spirom_ver & 0xFF00) >> 8;
11094 	str[2] = (spirom_ver & 0xFF0000) >> 16;
11095 	str[3] = (spirom_ver & 0xFF000000) >> 24;
11096 	str[4] = '\0';
11097 	*len -= 5;
11098 	return 0;
11099 }
11100 
11101 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11102 {
11103 	u16 val, cnt;
11104 
11105 	bnx2x_cl45_read(bp, phy,
11106 			MDIO_PMA_DEVAD,
11107 			MDIO_PMA_REG_7101_RESET, &val);
11108 
11109 	for (cnt = 0; cnt < 10; cnt++) {
11110 		msleep(50);
11111 		/* Writes a self-clearing reset */
11112 		bnx2x_cl45_write(bp, phy,
11113 				 MDIO_PMA_DEVAD,
11114 				 MDIO_PMA_REG_7101_RESET,
11115 				 (val | (1<<15)));
11116 		/* Wait for clear */
11117 		bnx2x_cl45_read(bp, phy,
11118 				MDIO_PMA_DEVAD,
11119 				MDIO_PMA_REG_7101_RESET, &val);
11120 
11121 		if ((val & (1<<15)) == 0)
11122 			break;
11123 	}
11124 }
11125 
11126 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11127 				struct link_params *params) {
11128 	/* Low power mode is controlled by GPIO 2 */
11129 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11130 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11131 	/* The PHY reset is controlled by GPIO 1 */
11132 	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11133 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11134 }
11135 
11136 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11137 				    struct link_params *params, u8 mode)
11138 {
11139 	u16 val = 0;
11140 	struct bnx2x *bp = params->bp;
11141 	switch (mode) {
11142 	case LED_MODE_FRONT_PANEL_OFF:
11143 	case LED_MODE_OFF:
11144 		val = 2;
11145 		break;
11146 	case LED_MODE_ON:
11147 		val = 1;
11148 		break;
11149 	case LED_MODE_OPER:
11150 		val = 0;
11151 		break;
11152 	}
11153 	bnx2x_cl45_write(bp, phy,
11154 			 MDIO_PMA_DEVAD,
11155 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11156 			 val);
11157 }
11158 
11159 /******************************************************************/
11160 /*			STATIC PHY DECLARATION			  */
11161 /******************************************************************/
11162 
11163 static struct bnx2x_phy phy_null = {
11164 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11165 	.addr		= 0,
11166 	.def_md_devad	= 0,
11167 	.flags		= FLAGS_INIT_XGXS_FIRST,
11168 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11169 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11170 	.mdio_ctrl	= 0,
11171 	.supported	= 0,
11172 	.media_type	= ETH_PHY_NOT_PRESENT,
11173 	.ver_addr	= 0,
11174 	.req_flow_ctrl	= 0,
11175 	.req_line_speed	= 0,
11176 	.speed_cap_mask	= 0,
11177 	.req_duplex	= 0,
11178 	.rsrv		= 0,
11179 	.config_init	= (config_init_t)NULL,
11180 	.read_status	= (read_status_t)NULL,
11181 	.link_reset	= (link_reset_t)NULL,
11182 	.config_loopback = (config_loopback_t)NULL,
11183 	.format_fw_ver	= (format_fw_ver_t)NULL,
11184 	.hw_reset	= (hw_reset_t)NULL,
11185 	.set_link_led	= (set_link_led_t)NULL,
11186 	.phy_specific_func = (phy_specific_func_t)NULL
11187 };
11188 
11189 static struct bnx2x_phy phy_serdes = {
11190 	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11191 	.addr		= 0xff,
11192 	.def_md_devad	= 0,
11193 	.flags		= 0,
11194 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11195 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11196 	.mdio_ctrl	= 0,
11197 	.supported	= (SUPPORTED_10baseT_Half |
11198 			   SUPPORTED_10baseT_Full |
11199 			   SUPPORTED_100baseT_Half |
11200 			   SUPPORTED_100baseT_Full |
11201 			   SUPPORTED_1000baseT_Full |
11202 			   SUPPORTED_2500baseX_Full |
11203 			   SUPPORTED_TP |
11204 			   SUPPORTED_Autoneg |
11205 			   SUPPORTED_Pause |
11206 			   SUPPORTED_Asym_Pause),
11207 	.media_type	= ETH_PHY_BASE_T,
11208 	.ver_addr	= 0,
11209 	.req_flow_ctrl	= 0,
11210 	.req_line_speed	= 0,
11211 	.speed_cap_mask	= 0,
11212 	.req_duplex	= 0,
11213 	.rsrv		= 0,
11214 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11215 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11216 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11217 	.config_loopback = (config_loopback_t)NULL,
11218 	.format_fw_ver	= (format_fw_ver_t)NULL,
11219 	.hw_reset	= (hw_reset_t)NULL,
11220 	.set_link_led	= (set_link_led_t)NULL,
11221 	.phy_specific_func = (phy_specific_func_t)NULL
11222 };
11223 
11224 static struct bnx2x_phy phy_xgxs = {
11225 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11226 	.addr		= 0xff,
11227 	.def_md_devad	= 0,
11228 	.flags		= 0,
11229 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11230 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11231 	.mdio_ctrl	= 0,
11232 	.supported	= (SUPPORTED_10baseT_Half |
11233 			   SUPPORTED_10baseT_Full |
11234 			   SUPPORTED_100baseT_Half |
11235 			   SUPPORTED_100baseT_Full |
11236 			   SUPPORTED_1000baseT_Full |
11237 			   SUPPORTED_2500baseX_Full |
11238 			   SUPPORTED_10000baseT_Full |
11239 			   SUPPORTED_FIBRE |
11240 			   SUPPORTED_Autoneg |
11241 			   SUPPORTED_Pause |
11242 			   SUPPORTED_Asym_Pause),
11243 	.media_type	= ETH_PHY_CX4,
11244 	.ver_addr	= 0,
11245 	.req_flow_ctrl	= 0,
11246 	.req_line_speed	= 0,
11247 	.speed_cap_mask	= 0,
11248 	.req_duplex	= 0,
11249 	.rsrv		= 0,
11250 	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11251 	.read_status	= (read_status_t)bnx2x_link_settings_status,
11252 	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11253 	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11254 	.format_fw_ver	= (format_fw_ver_t)NULL,
11255 	.hw_reset	= (hw_reset_t)NULL,
11256 	.set_link_led	= (set_link_led_t)NULL,
11257 	.phy_specific_func = (phy_specific_func_t)NULL
11258 };
11259 static struct bnx2x_phy phy_warpcore = {
11260 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11261 	.addr		= 0xff,
11262 	.def_md_devad	= 0,
11263 	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11264 			   FLAGS_TX_ERROR_CHECK),
11265 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11266 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11267 	.mdio_ctrl	= 0,
11268 	.supported	= (SUPPORTED_10baseT_Half |
11269 			   SUPPORTED_10baseT_Full |
11270 			   SUPPORTED_100baseT_Half |
11271 			   SUPPORTED_100baseT_Full |
11272 			   SUPPORTED_1000baseT_Full |
11273 			   SUPPORTED_10000baseT_Full |
11274 			   SUPPORTED_20000baseKR2_Full |
11275 			   SUPPORTED_20000baseMLD2_Full |
11276 			   SUPPORTED_FIBRE |
11277 			   SUPPORTED_Autoneg |
11278 			   SUPPORTED_Pause |
11279 			   SUPPORTED_Asym_Pause),
11280 	.media_type	= ETH_PHY_UNSPECIFIED,
11281 	.ver_addr	= 0,
11282 	.req_flow_ctrl	= 0,
11283 	.req_line_speed	= 0,
11284 	.speed_cap_mask	= 0,
11285 	/* req_duplex = */0,
11286 	/* rsrv = */0,
11287 	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
11288 	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
11289 	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
11290 	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11291 	.format_fw_ver	= (format_fw_ver_t)NULL,
11292 	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11293 	.set_link_led	= (set_link_led_t)NULL,
11294 	.phy_specific_func = (phy_specific_func_t)NULL
11295 };
11296 
11297 
11298 static struct bnx2x_phy phy_7101 = {
11299 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11300 	.addr		= 0xff,
11301 	.def_md_devad	= 0,
11302 	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
11303 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11304 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11305 	.mdio_ctrl	= 0,
11306 	.supported	= (SUPPORTED_10000baseT_Full |
11307 			   SUPPORTED_TP |
11308 			   SUPPORTED_Autoneg |
11309 			   SUPPORTED_Pause |
11310 			   SUPPORTED_Asym_Pause),
11311 	.media_type	= ETH_PHY_BASE_T,
11312 	.ver_addr	= 0,
11313 	.req_flow_ctrl	= 0,
11314 	.req_line_speed	= 0,
11315 	.speed_cap_mask	= 0,
11316 	.req_duplex	= 0,
11317 	.rsrv		= 0,
11318 	.config_init	= (config_init_t)bnx2x_7101_config_init,
11319 	.read_status	= (read_status_t)bnx2x_7101_read_status,
11320 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11321 	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11322 	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
11323 	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
11324 	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
11325 	.phy_specific_func = (phy_specific_func_t)NULL
11326 };
11327 static struct bnx2x_phy phy_8073 = {
11328 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11329 	.addr		= 0xff,
11330 	.def_md_devad	= 0,
11331 	.flags		= FLAGS_HW_LOCK_REQUIRED,
11332 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11333 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11334 	.mdio_ctrl	= 0,
11335 	.supported	= (SUPPORTED_10000baseT_Full |
11336 			   SUPPORTED_2500baseX_Full |
11337 			   SUPPORTED_1000baseT_Full |
11338 			   SUPPORTED_FIBRE |
11339 			   SUPPORTED_Autoneg |
11340 			   SUPPORTED_Pause |
11341 			   SUPPORTED_Asym_Pause),
11342 	.media_type	= ETH_PHY_KR,
11343 	.ver_addr	= 0,
11344 	.req_flow_ctrl	= 0,
11345 	.req_line_speed	= 0,
11346 	.speed_cap_mask	= 0,
11347 	.req_duplex	= 0,
11348 	.rsrv		= 0,
11349 	.config_init	= (config_init_t)bnx2x_8073_config_init,
11350 	.read_status	= (read_status_t)bnx2x_8073_read_status,
11351 	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
11352 	.config_loopback = (config_loopback_t)NULL,
11353 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11354 	.hw_reset	= (hw_reset_t)NULL,
11355 	.set_link_led	= (set_link_led_t)NULL,
11356 	.phy_specific_func = (phy_specific_func_t)NULL
11357 };
11358 static struct bnx2x_phy phy_8705 = {
11359 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11360 	.addr		= 0xff,
11361 	.def_md_devad	= 0,
11362 	.flags		= FLAGS_INIT_XGXS_FIRST,
11363 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11364 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11365 	.mdio_ctrl	= 0,
11366 	.supported	= (SUPPORTED_10000baseT_Full |
11367 			   SUPPORTED_FIBRE |
11368 			   SUPPORTED_Pause |
11369 			   SUPPORTED_Asym_Pause),
11370 	.media_type	= ETH_PHY_XFP_FIBER,
11371 	.ver_addr	= 0,
11372 	.req_flow_ctrl	= 0,
11373 	.req_line_speed	= 0,
11374 	.speed_cap_mask	= 0,
11375 	.req_duplex	= 0,
11376 	.rsrv		= 0,
11377 	.config_init	= (config_init_t)bnx2x_8705_config_init,
11378 	.read_status	= (read_status_t)bnx2x_8705_read_status,
11379 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11380 	.config_loopback = (config_loopback_t)NULL,
11381 	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
11382 	.hw_reset	= (hw_reset_t)NULL,
11383 	.set_link_led	= (set_link_led_t)NULL,
11384 	.phy_specific_func = (phy_specific_func_t)NULL
11385 };
11386 static struct bnx2x_phy phy_8706 = {
11387 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11388 	.addr		= 0xff,
11389 	.def_md_devad	= 0,
11390 	.flags		= FLAGS_INIT_XGXS_FIRST,
11391 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11392 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11393 	.mdio_ctrl	= 0,
11394 	.supported	= (SUPPORTED_10000baseT_Full |
11395 			   SUPPORTED_1000baseT_Full |
11396 			   SUPPORTED_FIBRE |
11397 			   SUPPORTED_Pause |
11398 			   SUPPORTED_Asym_Pause),
11399 	.media_type	= ETH_PHY_SFPP_10G_FIBER,
11400 	.ver_addr	= 0,
11401 	.req_flow_ctrl	= 0,
11402 	.req_line_speed	= 0,
11403 	.speed_cap_mask	= 0,
11404 	.req_duplex	= 0,
11405 	.rsrv		= 0,
11406 	.config_init	= (config_init_t)bnx2x_8706_config_init,
11407 	.read_status	= (read_status_t)bnx2x_8706_read_status,
11408 	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11409 	.config_loopback = (config_loopback_t)NULL,
11410 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11411 	.hw_reset	= (hw_reset_t)NULL,
11412 	.set_link_led	= (set_link_led_t)NULL,
11413 	.phy_specific_func = (phy_specific_func_t)NULL
11414 };
11415 
11416 static struct bnx2x_phy phy_8726 = {
11417 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11418 	.addr		= 0xff,
11419 	.def_md_devad	= 0,
11420 	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11421 			   FLAGS_INIT_XGXS_FIRST |
11422 			   FLAGS_TX_ERROR_CHECK),
11423 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11424 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11425 	.mdio_ctrl	= 0,
11426 	.supported	= (SUPPORTED_10000baseT_Full |
11427 			   SUPPORTED_1000baseT_Full |
11428 			   SUPPORTED_Autoneg |
11429 			   SUPPORTED_FIBRE |
11430 			   SUPPORTED_Pause |
11431 			   SUPPORTED_Asym_Pause),
11432 	.media_type	= ETH_PHY_NOT_PRESENT,
11433 	.ver_addr	= 0,
11434 	.req_flow_ctrl	= 0,
11435 	.req_line_speed	= 0,
11436 	.speed_cap_mask	= 0,
11437 	.req_duplex	= 0,
11438 	.rsrv		= 0,
11439 	.config_init	= (config_init_t)bnx2x_8726_config_init,
11440 	.read_status	= (read_status_t)bnx2x_8726_read_status,
11441 	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
11442 	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11443 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11444 	.hw_reset	= (hw_reset_t)NULL,
11445 	.set_link_led	= (set_link_led_t)NULL,
11446 	.phy_specific_func = (phy_specific_func_t)NULL
11447 };
11448 
11449 static struct bnx2x_phy phy_8727 = {
11450 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11451 	.addr		= 0xff,
11452 	.def_md_devad	= 0,
11453 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11454 			   FLAGS_TX_ERROR_CHECK),
11455 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11456 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11457 	.mdio_ctrl	= 0,
11458 	.supported	= (SUPPORTED_10000baseT_Full |
11459 			   SUPPORTED_1000baseT_Full |
11460 			   SUPPORTED_FIBRE |
11461 			   SUPPORTED_Pause |
11462 			   SUPPORTED_Asym_Pause),
11463 	.media_type	= ETH_PHY_NOT_PRESENT,
11464 	.ver_addr	= 0,
11465 	.req_flow_ctrl	= 0,
11466 	.req_line_speed	= 0,
11467 	.speed_cap_mask	= 0,
11468 	.req_duplex	= 0,
11469 	.rsrv		= 0,
11470 	.config_init	= (config_init_t)bnx2x_8727_config_init,
11471 	.read_status	= (read_status_t)bnx2x_8727_read_status,
11472 	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
11473 	.config_loopback = (config_loopback_t)NULL,
11474 	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11475 	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
11476 	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
11477 	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11478 };
11479 static struct bnx2x_phy phy_8481 = {
11480 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11481 	.addr		= 0xff,
11482 	.def_md_devad	= 0,
11483 	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11484 			  FLAGS_REARM_LATCH_SIGNAL,
11485 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11486 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11487 	.mdio_ctrl	= 0,
11488 	.supported	= (SUPPORTED_10baseT_Half |
11489 			   SUPPORTED_10baseT_Full |
11490 			   SUPPORTED_100baseT_Half |
11491 			   SUPPORTED_100baseT_Full |
11492 			   SUPPORTED_1000baseT_Full |
11493 			   SUPPORTED_10000baseT_Full |
11494 			   SUPPORTED_TP |
11495 			   SUPPORTED_Autoneg |
11496 			   SUPPORTED_Pause |
11497 			   SUPPORTED_Asym_Pause),
11498 	.media_type	= ETH_PHY_BASE_T,
11499 	.ver_addr	= 0,
11500 	.req_flow_ctrl	= 0,
11501 	.req_line_speed	= 0,
11502 	.speed_cap_mask	= 0,
11503 	.req_duplex	= 0,
11504 	.rsrv		= 0,
11505 	.config_init	= (config_init_t)bnx2x_8481_config_init,
11506 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11507 	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
11508 	.config_loopback = (config_loopback_t)NULL,
11509 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11510 	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
11511 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11512 	.phy_specific_func = (phy_specific_func_t)NULL
11513 };
11514 
11515 static struct bnx2x_phy phy_84823 = {
11516 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11517 	.addr		= 0xff,
11518 	.def_md_devad	= 0,
11519 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11520 			   FLAGS_REARM_LATCH_SIGNAL |
11521 			   FLAGS_TX_ERROR_CHECK),
11522 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11523 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11524 	.mdio_ctrl	= 0,
11525 	.supported	= (SUPPORTED_10baseT_Half |
11526 			   SUPPORTED_10baseT_Full |
11527 			   SUPPORTED_100baseT_Half |
11528 			   SUPPORTED_100baseT_Full |
11529 			   SUPPORTED_1000baseT_Full |
11530 			   SUPPORTED_10000baseT_Full |
11531 			   SUPPORTED_TP |
11532 			   SUPPORTED_Autoneg |
11533 			   SUPPORTED_Pause |
11534 			   SUPPORTED_Asym_Pause),
11535 	.media_type	= ETH_PHY_BASE_T,
11536 	.ver_addr	= 0,
11537 	.req_flow_ctrl	= 0,
11538 	.req_line_speed	= 0,
11539 	.speed_cap_mask	= 0,
11540 	.req_duplex	= 0,
11541 	.rsrv		= 0,
11542 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11543 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11544 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11545 	.config_loopback = (config_loopback_t)NULL,
11546 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11547 	.hw_reset	= (hw_reset_t)NULL,
11548 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11549 	.phy_specific_func = (phy_specific_func_t)NULL
11550 };
11551 
11552 static struct bnx2x_phy phy_84833 = {
11553 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11554 	.addr		= 0xff,
11555 	.def_md_devad	= 0,
11556 	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11557 			   FLAGS_REARM_LATCH_SIGNAL |
11558 			   FLAGS_TX_ERROR_CHECK |
11559 			   FLAGS_EEE_10GBT),
11560 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11561 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11562 	.mdio_ctrl	= 0,
11563 	.supported	= (SUPPORTED_100baseT_Half |
11564 			   SUPPORTED_100baseT_Full |
11565 			   SUPPORTED_1000baseT_Full |
11566 			   SUPPORTED_10000baseT_Full |
11567 			   SUPPORTED_TP |
11568 			   SUPPORTED_Autoneg |
11569 			   SUPPORTED_Pause |
11570 			   SUPPORTED_Asym_Pause),
11571 	.media_type	= ETH_PHY_BASE_T,
11572 	.ver_addr	= 0,
11573 	.req_flow_ctrl	= 0,
11574 	.req_line_speed	= 0,
11575 	.speed_cap_mask	= 0,
11576 	.req_duplex	= 0,
11577 	.rsrv		= 0,
11578 	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11579 	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11580 	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11581 	.config_loopback = (config_loopback_t)NULL,
11582 	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11583 	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11584 	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11585 	.phy_specific_func = (phy_specific_func_t)NULL
11586 };
11587 
11588 static struct bnx2x_phy phy_54618se = {
11589 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11590 	.addr		= 0xff,
11591 	.def_md_devad	= 0,
11592 	.flags		= FLAGS_INIT_XGXS_FIRST,
11593 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11594 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11595 	.mdio_ctrl	= 0,
11596 	.supported	= (SUPPORTED_10baseT_Half |
11597 			   SUPPORTED_10baseT_Full |
11598 			   SUPPORTED_100baseT_Half |
11599 			   SUPPORTED_100baseT_Full |
11600 			   SUPPORTED_1000baseT_Full |
11601 			   SUPPORTED_TP |
11602 			   SUPPORTED_Autoneg |
11603 			   SUPPORTED_Pause |
11604 			   SUPPORTED_Asym_Pause),
11605 	.media_type	= ETH_PHY_BASE_T,
11606 	.ver_addr	= 0,
11607 	.req_flow_ctrl	= 0,
11608 	.req_line_speed	= 0,
11609 	.speed_cap_mask	= 0,
11610 	/* req_duplex = */0,
11611 	/* rsrv = */0,
11612 	.config_init	= (config_init_t)bnx2x_54618se_config_init,
11613 	.read_status	= (read_status_t)bnx2x_54618se_read_status,
11614 	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
11615 	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11616 	.format_fw_ver	= (format_fw_ver_t)NULL,
11617 	.hw_reset	= (hw_reset_t)NULL,
11618 	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
11619 	.phy_specific_func = (phy_specific_func_t)NULL
11620 };
11621 /*****************************************************************/
11622 /*                                                               */
11623 /* Populate the phy according. Main function: bnx2x_populate_phy   */
11624 /*                                                               */
11625 /*****************************************************************/
11626 
11627 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11628 				     struct bnx2x_phy *phy, u8 port,
11629 				     u8 phy_index)
11630 {
11631 	/* Get the 4 lanes xgxs config rx and tx */
11632 	u32 rx = 0, tx = 0, i;
11633 	for (i = 0; i < 2; i++) {
11634 		/* INT_PHY and EXT_PHY1 share the same value location in
11635 		 * the shmem. When num_phys is greater than 1, than this value
11636 		 * applies only to EXT_PHY1
11637 		 */
11638 		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11639 			rx = REG_RD(bp, shmem_base +
11640 				    offsetof(struct shmem_region,
11641 			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11642 
11643 			tx = REG_RD(bp, shmem_base +
11644 				    offsetof(struct shmem_region,
11645 			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11646 		} else {
11647 			rx = REG_RD(bp, shmem_base +
11648 				    offsetof(struct shmem_region,
11649 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11650 
11651 			tx = REG_RD(bp, shmem_base +
11652 				    offsetof(struct shmem_region,
11653 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11654 		}
11655 
11656 		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11657 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11658 
11659 		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11660 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11661 	}
11662 }
11663 
11664 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11665 				    u8 phy_index, u8 port)
11666 {
11667 	u32 ext_phy_config = 0;
11668 	switch (phy_index) {
11669 	case EXT_PHY1:
11670 		ext_phy_config = REG_RD(bp, shmem_base +
11671 					      offsetof(struct shmem_region,
11672 			dev_info.port_hw_config[port].external_phy_config));
11673 		break;
11674 	case EXT_PHY2:
11675 		ext_phy_config = REG_RD(bp, shmem_base +
11676 					      offsetof(struct shmem_region,
11677 			dev_info.port_hw_config[port].external_phy_config2));
11678 		break;
11679 	default:
11680 		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11681 		return -EINVAL;
11682 	}
11683 
11684 	return ext_phy_config;
11685 }
11686 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11687 				  struct bnx2x_phy *phy)
11688 {
11689 	u32 phy_addr;
11690 	u32 chip_id;
11691 	u32 switch_cfg = (REG_RD(bp, shmem_base +
11692 				       offsetof(struct shmem_region,
11693 			dev_info.port_feature_config[port].link_config)) &
11694 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
11695 	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11696 		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11697 
11698 	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11699 	if (USES_WARPCORE(bp)) {
11700 		u32 serdes_net_if;
11701 		phy_addr = REG_RD(bp,
11702 				  MISC_REG_WC0_CTRL_PHY_ADDR);
11703 		*phy = phy_warpcore;
11704 		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11705 			phy->flags |= FLAGS_4_PORT_MODE;
11706 		else
11707 			phy->flags &= ~FLAGS_4_PORT_MODE;
11708 			/* Check Dual mode */
11709 		serdes_net_if = (REG_RD(bp, shmem_base +
11710 					offsetof(struct shmem_region, dev_info.
11711 					port_hw_config[port].default_cfg)) &
11712 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
11713 		/* Set the appropriate supported and flags indications per
11714 		 * interface type of the chip
11715 		 */
11716 		switch (serdes_net_if) {
11717 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11718 			phy->supported &= (SUPPORTED_10baseT_Half |
11719 					   SUPPORTED_10baseT_Full |
11720 					   SUPPORTED_100baseT_Half |
11721 					   SUPPORTED_100baseT_Full |
11722 					   SUPPORTED_1000baseT_Full |
11723 					   SUPPORTED_FIBRE |
11724 					   SUPPORTED_Autoneg |
11725 					   SUPPORTED_Pause |
11726 					   SUPPORTED_Asym_Pause);
11727 			phy->media_type = ETH_PHY_BASE_T;
11728 			break;
11729 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
11730 			phy->media_type = ETH_PHY_XFP_FIBER;
11731 			break;
11732 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
11733 			phy->supported &= (SUPPORTED_1000baseT_Full |
11734 					   SUPPORTED_10000baseT_Full |
11735 					   SUPPORTED_FIBRE |
11736 					   SUPPORTED_Pause |
11737 					   SUPPORTED_Asym_Pause);
11738 			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11739 			break;
11740 		case PORT_HW_CFG_NET_SERDES_IF_KR:
11741 			phy->media_type = ETH_PHY_KR;
11742 			phy->supported &= (SUPPORTED_1000baseT_Full |
11743 					   SUPPORTED_10000baseT_Full |
11744 					   SUPPORTED_FIBRE |
11745 					   SUPPORTED_Autoneg |
11746 					   SUPPORTED_Pause |
11747 					   SUPPORTED_Asym_Pause);
11748 			break;
11749 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11750 			phy->media_type = ETH_PHY_KR;
11751 			phy->flags |= FLAGS_WC_DUAL_MODE;
11752 			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11753 					   SUPPORTED_FIBRE |
11754 					   SUPPORTED_Pause |
11755 					   SUPPORTED_Asym_Pause);
11756 			break;
11757 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
11758 			phy->media_type = ETH_PHY_KR;
11759 			phy->flags |= FLAGS_WC_DUAL_MODE;
11760 			phy->supported &= (SUPPORTED_20000baseKR2_Full |
11761 					   SUPPORTED_FIBRE |
11762 					   SUPPORTED_Pause |
11763 					   SUPPORTED_Asym_Pause);
11764 			break;
11765 		default:
11766 			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11767 				       serdes_net_if);
11768 			break;
11769 		}
11770 
11771 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11772 		 * was not set as expected. For B0, ECO will be enabled so there
11773 		 * won't be an issue there
11774 		 */
11775 		if (CHIP_REV(bp) == CHIP_REV_Ax)
11776 			phy->flags |= FLAGS_MDC_MDIO_WA;
11777 		else
11778 			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11779 	} else {
11780 		switch (switch_cfg) {
11781 		case SWITCH_CFG_1G:
11782 			phy_addr = REG_RD(bp,
11783 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
11784 					  port * 0x10);
11785 			*phy = phy_serdes;
11786 			break;
11787 		case SWITCH_CFG_10G:
11788 			phy_addr = REG_RD(bp,
11789 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
11790 					  port * 0x18);
11791 			*phy = phy_xgxs;
11792 			break;
11793 		default:
11794 			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11795 			return -EINVAL;
11796 		}
11797 	}
11798 	phy->addr = (u8)phy_addr;
11799 	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11800 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11801 					    port);
11802 	if (CHIP_IS_E2(bp))
11803 		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11804 	else
11805 		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
11806 
11807 	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
11808 		   port, phy->addr, phy->mdio_ctrl);
11809 
11810 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
11811 	return 0;
11812 }
11813 
11814 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
11815 				  u8 phy_index,
11816 				  u32 shmem_base,
11817 				  u32 shmem2_base,
11818 				  u8 port,
11819 				  struct bnx2x_phy *phy)
11820 {
11821 	u32 ext_phy_config, phy_type, config2;
11822 	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
11823 	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
11824 						  phy_index, port);
11825 	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
11826 	/* Select the phy type */
11827 	switch (phy_type) {
11828 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
11829 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
11830 		*phy = phy_8073;
11831 		break;
11832 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
11833 		*phy = phy_8705;
11834 		break;
11835 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
11836 		*phy = phy_8706;
11837 		break;
11838 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
11839 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11840 		*phy = phy_8726;
11841 		break;
11842 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
11843 		/* BCM8727_NOC => BCM8727 no over current */
11844 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11845 		*phy = phy_8727;
11846 		phy->flags |= FLAGS_NOC;
11847 		break;
11848 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
11849 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
11850 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
11851 		*phy = phy_8727;
11852 		break;
11853 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
11854 		*phy = phy_8481;
11855 		break;
11856 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
11857 		*phy = phy_84823;
11858 		break;
11859 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
11860 		*phy = phy_84833;
11861 		break;
11862 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11863 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
11864 		*phy = phy_54618se;
11865 		break;
11866 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
11867 		*phy = phy_7101;
11868 		break;
11869 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
11870 		*phy = phy_null;
11871 		return -EINVAL;
11872 	default:
11873 		*phy = phy_null;
11874 		/* In case external PHY wasn't found */
11875 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
11876 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
11877 			return -EINVAL;
11878 		return 0;
11879 	}
11880 
11881 	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
11882 	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
11883 
11884 	/* The shmem address of the phy version is located on different
11885 	 * structures. In case this structure is too old, do not set
11886 	 * the address
11887 	 */
11888 	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
11889 					dev_info.shared_hw_config.config2));
11890 	if (phy_index == EXT_PHY1) {
11891 		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
11892 				port_mb[port].ext_phy_fw_version);
11893 
11894 		/* Check specific mdc mdio settings */
11895 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
11896 			mdc_mdio_access = config2 &
11897 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
11898 	} else {
11899 		u32 size = REG_RD(bp, shmem2_base);
11900 
11901 		if (size >
11902 		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
11903 			phy->ver_addr = shmem2_base +
11904 			    offsetof(struct shmem2_region,
11905 				     ext_phy_fw_version2[port]);
11906 		}
11907 		/* Check specific mdc mdio settings */
11908 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
11909 			mdc_mdio_access = (config2 &
11910 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
11911 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
11912 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
11913 	}
11914 	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
11915 
11916 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11917 	    (phy->ver_addr)) {
11918 		/* Remove 100Mb link supported for BCM84833 when phy fw
11919 		 * version lower than or equal to 1.39
11920 		 */
11921 		u32 raw_ver = REG_RD(bp, phy->ver_addr);
11922 		if (((raw_ver & 0x7F) <= 39) &&
11923 		    (((raw_ver & 0xF80) >> 7) <= 1))
11924 			phy->supported &= ~(SUPPORTED_100baseT_Half |
11925 					    SUPPORTED_100baseT_Full);
11926 	}
11927 
11928 	/* In case mdc/mdio_access of the external phy is different than the
11929 	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
11930 	 * to prevent one port interfere with another port's CL45 operations.
11931 	 */
11932 	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
11933 		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
11934 	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
11935 		   phy_type, port, phy_index);
11936 	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
11937 		   phy->addr, phy->mdio_ctrl);
11938 	return 0;
11939 }
11940 
11941 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
11942 			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
11943 {
11944 	int status = 0;
11945 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
11946 	if (phy_index == INT_PHY)
11947 		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
11948 	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
11949 					port, phy);
11950 	return status;
11951 }
11952 
11953 static void bnx2x_phy_def_cfg(struct link_params *params,
11954 			      struct bnx2x_phy *phy,
11955 			      u8 phy_index)
11956 {
11957 	struct bnx2x *bp = params->bp;
11958 	u32 link_config;
11959 	/* Populate the default phy configuration for MF mode */
11960 	if (phy_index == EXT_PHY2) {
11961 		link_config = REG_RD(bp, params->shmem_base +
11962 				     offsetof(struct shmem_region, dev_info.
11963 			port_feature_config[params->port].link_config2));
11964 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11965 					     offsetof(struct shmem_region,
11966 						      dev_info.
11967 			port_hw_config[params->port].speed_capability_mask2));
11968 	} else {
11969 		link_config = REG_RD(bp, params->shmem_base +
11970 				     offsetof(struct shmem_region, dev_info.
11971 				port_feature_config[params->port].link_config));
11972 		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
11973 					     offsetof(struct shmem_region,
11974 						      dev_info.
11975 			port_hw_config[params->port].speed_capability_mask));
11976 	}
11977 	DP(NETIF_MSG_LINK,
11978 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
11979 	   phy_index, link_config, phy->speed_cap_mask);
11980 
11981 	phy->req_duplex = DUPLEX_FULL;
11982 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
11983 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
11984 		phy->req_duplex = DUPLEX_HALF;
11985 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
11986 		phy->req_line_speed = SPEED_10;
11987 		break;
11988 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
11989 		phy->req_duplex = DUPLEX_HALF;
11990 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
11991 		phy->req_line_speed = SPEED_100;
11992 		break;
11993 	case PORT_FEATURE_LINK_SPEED_1G:
11994 		phy->req_line_speed = SPEED_1000;
11995 		break;
11996 	case PORT_FEATURE_LINK_SPEED_2_5G:
11997 		phy->req_line_speed = SPEED_2500;
11998 		break;
11999 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
12000 		phy->req_line_speed = SPEED_10000;
12001 		break;
12002 	default:
12003 		phy->req_line_speed = SPEED_AUTO_NEG;
12004 		break;
12005 	}
12006 
12007 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12008 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
12009 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12010 		break;
12011 	case PORT_FEATURE_FLOW_CONTROL_TX:
12012 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12013 		break;
12014 	case PORT_FEATURE_FLOW_CONTROL_RX:
12015 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12016 		break;
12017 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
12018 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12019 		break;
12020 	default:
12021 		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12022 		break;
12023 	}
12024 }
12025 
12026 u32 bnx2x_phy_selection(struct link_params *params)
12027 {
12028 	u32 phy_config_swapped, prio_cfg;
12029 	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12030 
12031 	phy_config_swapped = params->multi_phy_config &
12032 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12033 
12034 	prio_cfg = params->multi_phy_config &
12035 			PORT_HW_CFG_PHY_SELECTION_MASK;
12036 
12037 	if (phy_config_swapped) {
12038 		switch (prio_cfg) {
12039 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12040 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12041 		     break;
12042 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12043 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12044 		     break;
12045 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12046 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12047 		     break;
12048 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12049 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12050 		     break;
12051 		}
12052 	} else
12053 		return_cfg = prio_cfg;
12054 
12055 	return return_cfg;
12056 }
12057 
12058 
12059 int bnx2x_phy_probe(struct link_params *params)
12060 {
12061 	u8 phy_index, actual_phy_idx;
12062 	u32 phy_config_swapped, sync_offset, media_types;
12063 	struct bnx2x *bp = params->bp;
12064 	struct bnx2x_phy *phy;
12065 	params->num_phys = 0;
12066 	DP(NETIF_MSG_LINK, "Begin phy probe\n");
12067 	phy_config_swapped = params->multi_phy_config &
12068 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12069 
12070 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12071 	      phy_index++) {
12072 		actual_phy_idx = phy_index;
12073 		if (phy_config_swapped) {
12074 			if (phy_index == EXT_PHY1)
12075 				actual_phy_idx = EXT_PHY2;
12076 			else if (phy_index == EXT_PHY2)
12077 				actual_phy_idx = EXT_PHY1;
12078 		}
12079 		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12080 			       " actual_phy_idx %x\n", phy_config_swapped,
12081 			   phy_index, actual_phy_idx);
12082 		phy = &params->phy[actual_phy_idx];
12083 		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12084 				       params->shmem2_base, params->port,
12085 				       phy) != 0) {
12086 			params->num_phys = 0;
12087 			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12088 				   phy_index);
12089 			for (phy_index = INT_PHY;
12090 			      phy_index < MAX_PHYS;
12091 			      phy_index++)
12092 				*phy = phy_null;
12093 			return -EINVAL;
12094 		}
12095 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12096 			break;
12097 
12098 		if (params->feature_config_flags &
12099 		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12100 			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12101 
12102 		sync_offset = params->shmem_base +
12103 			offsetof(struct shmem_region,
12104 			dev_info.port_hw_config[params->port].media_type);
12105 		media_types = REG_RD(bp, sync_offset);
12106 
12107 		/* Update media type for non-PMF sync only for the first time
12108 		 * In case the media type changes afterwards, it will be updated
12109 		 * using the update_status function
12110 		 */
12111 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12112 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12113 				     actual_phy_idx))) == 0) {
12114 			media_types |= ((phy->media_type &
12115 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12116 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12117 				 actual_phy_idx));
12118 		}
12119 		REG_WR(bp, sync_offset, media_types);
12120 
12121 		bnx2x_phy_def_cfg(params, phy, phy_index);
12122 		params->num_phys++;
12123 	}
12124 
12125 	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12126 	return 0;
12127 }
12128 
12129 void bnx2x_init_bmac_loopback(struct link_params *params,
12130 			      struct link_vars *vars)
12131 {
12132 	struct bnx2x *bp = params->bp;
12133 		vars->link_up = 1;
12134 		vars->line_speed = SPEED_10000;
12135 		vars->duplex = DUPLEX_FULL;
12136 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12137 		vars->mac_type = MAC_TYPE_BMAC;
12138 
12139 		vars->phy_flags = PHY_XGXS_FLAG;
12140 
12141 		bnx2x_xgxs_deassert(params);
12142 
12143 		/* set bmac loopback */
12144 		bnx2x_bmac_enable(params, vars, 1);
12145 
12146 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12147 }
12148 
12149 void bnx2x_init_emac_loopback(struct link_params *params,
12150 			      struct link_vars *vars)
12151 {
12152 	struct bnx2x *bp = params->bp;
12153 		vars->link_up = 1;
12154 		vars->line_speed = SPEED_1000;
12155 		vars->duplex = DUPLEX_FULL;
12156 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12157 		vars->mac_type = MAC_TYPE_EMAC;
12158 
12159 		vars->phy_flags = PHY_XGXS_FLAG;
12160 
12161 		bnx2x_xgxs_deassert(params);
12162 		/* set bmac loopback */
12163 		bnx2x_emac_enable(params, vars, 1);
12164 		bnx2x_emac_program(params, vars);
12165 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12166 }
12167 
12168 void bnx2x_init_xmac_loopback(struct link_params *params,
12169 			      struct link_vars *vars)
12170 {
12171 	struct bnx2x *bp = params->bp;
12172 	vars->link_up = 1;
12173 	if (!params->req_line_speed[0])
12174 		vars->line_speed = SPEED_10000;
12175 	else
12176 		vars->line_speed = params->req_line_speed[0];
12177 	vars->duplex = DUPLEX_FULL;
12178 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12179 	vars->mac_type = MAC_TYPE_XMAC;
12180 	vars->phy_flags = PHY_XGXS_FLAG;
12181 	/* Set WC to loopback mode since link is required to provide clock
12182 	 * to the XMAC in 20G mode
12183 	 */
12184 	bnx2x_set_aer_mmd(params, &params->phy[0]);
12185 	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12186 	params->phy[INT_PHY].config_loopback(
12187 			&params->phy[INT_PHY],
12188 			params);
12189 
12190 	bnx2x_xmac_enable(params, vars, 1);
12191 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12192 }
12193 
12194 void bnx2x_init_umac_loopback(struct link_params *params,
12195 			      struct link_vars *vars)
12196 {
12197 	struct bnx2x *bp = params->bp;
12198 	vars->link_up = 1;
12199 	vars->line_speed = SPEED_1000;
12200 	vars->duplex = DUPLEX_FULL;
12201 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12202 	vars->mac_type = MAC_TYPE_UMAC;
12203 	vars->phy_flags = PHY_XGXS_FLAG;
12204 	bnx2x_umac_enable(params, vars, 1);
12205 
12206 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12207 }
12208 
12209 void bnx2x_init_xgxs_loopback(struct link_params *params,
12210 			      struct link_vars *vars)
12211 {
12212 	struct bnx2x *bp = params->bp;
12213 		vars->link_up = 1;
12214 		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12215 		vars->duplex = DUPLEX_FULL;
12216 	if (params->req_line_speed[0] == SPEED_1000)
12217 			vars->line_speed = SPEED_1000;
12218 	else
12219 			vars->line_speed = SPEED_10000;
12220 
12221 	if (!USES_WARPCORE(bp))
12222 		bnx2x_xgxs_deassert(params);
12223 	bnx2x_link_initialize(params, vars);
12224 
12225 	if (params->req_line_speed[0] == SPEED_1000) {
12226 		if (USES_WARPCORE(bp))
12227 			bnx2x_umac_enable(params, vars, 0);
12228 		else {
12229 			bnx2x_emac_program(params, vars);
12230 			bnx2x_emac_enable(params, vars, 0);
12231 		}
12232 	} else {
12233 		if (USES_WARPCORE(bp))
12234 			bnx2x_xmac_enable(params, vars, 0);
12235 		else
12236 			bnx2x_bmac_enable(params, vars, 0);
12237 	}
12238 
12239 		if (params->loopback_mode == LOOPBACK_XGXS) {
12240 			/* set 10G XGXS loopback */
12241 			params->phy[INT_PHY].config_loopback(
12242 				&params->phy[INT_PHY],
12243 				params);
12244 
12245 		} else {
12246 			/* set external phy loopback */
12247 			u8 phy_index;
12248 			for (phy_index = EXT_PHY1;
12249 			      phy_index < params->num_phys; phy_index++) {
12250 				if (params->phy[phy_index].config_loopback)
12251 					params->phy[phy_index].config_loopback(
12252 						&params->phy[phy_index],
12253 						params);
12254 			}
12255 		}
12256 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12257 
12258 	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12259 }
12260 
12261 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12262 {
12263 	struct bnx2x *bp = params->bp;
12264 	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12265 	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12266 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
12267 	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12268 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
12269 	vars->link_status = 0;
12270 	vars->phy_link_up = 0;
12271 	vars->link_up = 0;
12272 	vars->line_speed = 0;
12273 	vars->duplex = DUPLEX_FULL;
12274 	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12275 	vars->mac_type = MAC_TYPE_NONE;
12276 	vars->phy_flags = 0;
12277 
12278 	/* Disable attentions */
12279 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12280 		       (NIG_MASK_XGXS0_LINK_STATUS |
12281 			NIG_MASK_XGXS0_LINK10G |
12282 			NIG_MASK_SERDES0_LINK_STATUS |
12283 			NIG_MASK_MI_INT));
12284 
12285 	bnx2x_emac_init(params, vars);
12286 
12287 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12288 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
12289 
12290 	if (params->num_phys == 0) {
12291 		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12292 		return -EINVAL;
12293 	}
12294 	set_phy_vars(params, vars);
12295 
12296 	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12297 	switch (params->loopback_mode) {
12298 	case LOOPBACK_BMAC:
12299 		bnx2x_init_bmac_loopback(params, vars);
12300 		break;
12301 	case LOOPBACK_EMAC:
12302 		bnx2x_init_emac_loopback(params, vars);
12303 		break;
12304 	case LOOPBACK_XMAC:
12305 		bnx2x_init_xmac_loopback(params, vars);
12306 		break;
12307 	case LOOPBACK_UMAC:
12308 		bnx2x_init_umac_loopback(params, vars);
12309 		break;
12310 	case LOOPBACK_XGXS:
12311 	case LOOPBACK_EXT_PHY:
12312 		bnx2x_init_xgxs_loopback(params, vars);
12313 		break;
12314 	default:
12315 		if (!CHIP_IS_E3(bp)) {
12316 			if (params->switch_cfg == SWITCH_CFG_10G)
12317 				bnx2x_xgxs_deassert(params);
12318 			else
12319 				bnx2x_serdes_deassert(bp, params->port);
12320 		}
12321 		bnx2x_link_initialize(params, vars);
12322 		msleep(30);
12323 		bnx2x_link_int_enable(params);
12324 		break;
12325 	}
12326 	bnx2x_update_mng(params, vars->link_status);
12327 
12328 	bnx2x_update_mng_eee(params, vars->eee_status);
12329 	return 0;
12330 }
12331 
12332 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12333 		     u8 reset_ext_phy)
12334 {
12335 	struct bnx2x *bp = params->bp;
12336 	u8 phy_index, port = params->port, clear_latch_ind = 0;
12337 	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12338 	/* Disable attentions */
12339 	vars->link_status = 0;
12340 	bnx2x_update_mng(params, vars->link_status);
12341 	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12342 			      SHMEM_EEE_ACTIVE_BIT);
12343 	bnx2x_update_mng_eee(params, vars->eee_status);
12344 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12345 		       (NIG_MASK_XGXS0_LINK_STATUS |
12346 			NIG_MASK_XGXS0_LINK10G |
12347 			NIG_MASK_SERDES0_LINK_STATUS |
12348 			NIG_MASK_MI_INT));
12349 
12350 	/* Activate nig drain */
12351 	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12352 
12353 	/* Disable nig egress interface */
12354 	if (!CHIP_IS_E3(bp)) {
12355 		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12356 		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12357 	}
12358 
12359 	/* Stop BigMac rx */
12360 	if (!CHIP_IS_E3(bp))
12361 		bnx2x_bmac_rx_disable(bp, port);
12362 	else {
12363 		bnx2x_xmac_disable(params);
12364 		bnx2x_umac_disable(params);
12365 	}
12366 	/* Disable emac */
12367 	if (!CHIP_IS_E3(bp))
12368 		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12369 
12370 	usleep_range(10000, 20000);
12371 	/* The PHY reset is controlled by GPIO 1
12372 	 * Hold it as vars low
12373 	 */
12374 	 /* Clear link led */
12375 	bnx2x_set_mdio_clk(bp, params->chip_id, port);
12376 	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12377 
12378 	if (reset_ext_phy) {
12379 		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12380 		      phy_index++) {
12381 			if (params->phy[phy_index].link_reset) {
12382 				bnx2x_set_aer_mmd(params,
12383 						  &params->phy[phy_index]);
12384 				params->phy[phy_index].link_reset(
12385 					&params->phy[phy_index],
12386 					params);
12387 			}
12388 			if (params->phy[phy_index].flags &
12389 			    FLAGS_REARM_LATCH_SIGNAL)
12390 				clear_latch_ind = 1;
12391 		}
12392 	}
12393 
12394 	if (clear_latch_ind) {
12395 		/* Clear latching indication */
12396 		bnx2x_rearm_latch_signal(bp, port, 0);
12397 		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12398 			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
12399 	}
12400 	if (params->phy[INT_PHY].link_reset)
12401 		params->phy[INT_PHY].link_reset(
12402 			&params->phy[INT_PHY], params);
12403 
12404 	/* Disable nig ingress interface */
12405 	if (!CHIP_IS_E3(bp)) {
12406 		/* Reset BigMac */
12407 		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12408 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12409 		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12410 		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12411 	} else {
12412 		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12413 		bnx2x_set_xumac_nig(params, 0, 0);
12414 		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12415 		    MISC_REGISTERS_RESET_REG_2_XMAC)
12416 			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12417 			       XMAC_CTRL_REG_SOFT_RESET);
12418 	}
12419 	vars->link_up = 0;
12420 	vars->phy_flags = 0;
12421 	return 0;
12422 }
12423 
12424 /****************************************************************************/
12425 /*				Common function				    */
12426 /****************************************************************************/
12427 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12428 				      u32 shmem_base_path[],
12429 				      u32 shmem2_base_path[], u8 phy_index,
12430 				      u32 chip_id)
12431 {
12432 	struct bnx2x_phy phy[PORT_MAX];
12433 	struct bnx2x_phy *phy_blk[PORT_MAX];
12434 	u16 val;
12435 	s8 port = 0;
12436 	s8 port_of_path = 0;
12437 	u32 swap_val, swap_override;
12438 	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
12439 	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
12440 	port ^= (swap_val && swap_override);
12441 	bnx2x_ext_phy_hw_reset(bp, port);
12442 	/* PART1 - Reset both phys */
12443 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12444 		u32 shmem_base, shmem2_base;
12445 		/* In E2, same phy is using for port0 of the two paths */
12446 		if (CHIP_IS_E1x(bp)) {
12447 			shmem_base = shmem_base_path[0];
12448 			shmem2_base = shmem2_base_path[0];
12449 			port_of_path = port;
12450 		} else {
12451 			shmem_base = shmem_base_path[port];
12452 			shmem2_base = shmem2_base_path[port];
12453 			port_of_path = 0;
12454 		}
12455 
12456 		/* Extract the ext phy address for the port */
12457 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12458 				       port_of_path, &phy[port]) !=
12459 		    0) {
12460 			DP(NETIF_MSG_LINK, "populate_phy failed\n");
12461 			return -EINVAL;
12462 		}
12463 		/* Disable attentions */
12464 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12465 			       port_of_path*4,
12466 			       (NIG_MASK_XGXS0_LINK_STATUS |
12467 				NIG_MASK_XGXS0_LINK10G |
12468 				NIG_MASK_SERDES0_LINK_STATUS |
12469 				NIG_MASK_MI_INT));
12470 
12471 		/* Need to take the phy out of low power mode in order
12472 		 * to write to access its registers
12473 		 */
12474 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12475 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12476 			       port);
12477 
12478 		/* Reset the phy */
12479 		bnx2x_cl45_write(bp, &phy[port],
12480 				 MDIO_PMA_DEVAD,
12481 				 MDIO_PMA_REG_CTRL,
12482 				 1<<15);
12483 	}
12484 
12485 	/* Add delay of 150ms after reset */
12486 	msleep(150);
12487 
12488 	if (phy[PORT_0].addr & 0x1) {
12489 		phy_blk[PORT_0] = &(phy[PORT_1]);
12490 		phy_blk[PORT_1] = &(phy[PORT_0]);
12491 	} else {
12492 		phy_blk[PORT_0] = &(phy[PORT_0]);
12493 		phy_blk[PORT_1] = &(phy[PORT_1]);
12494 	}
12495 
12496 	/* PART2 - Download firmware to both phys */
12497 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12498 		if (CHIP_IS_E1x(bp))
12499 			port_of_path = port;
12500 		else
12501 			port_of_path = 0;
12502 
12503 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12504 			   phy_blk[port]->addr);
12505 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12506 						      port_of_path))
12507 			return -EINVAL;
12508 
12509 		/* Only set bit 10 = 1 (Tx power down) */
12510 		bnx2x_cl45_read(bp, phy_blk[port],
12511 				MDIO_PMA_DEVAD,
12512 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12513 
12514 		/* Phase1 of TX_POWER_DOWN reset */
12515 		bnx2x_cl45_write(bp, phy_blk[port],
12516 				 MDIO_PMA_DEVAD,
12517 				 MDIO_PMA_REG_TX_POWER_DOWN,
12518 				 (val | 1<<10));
12519 	}
12520 
12521 	/* Toggle Transmitter: Power down and then up with 600ms delay
12522 	 * between
12523 	 */
12524 	msleep(600);
12525 
12526 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12527 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12528 		/* Phase2 of POWER_DOWN_RESET */
12529 		/* Release bit 10 (Release Tx power down) */
12530 		bnx2x_cl45_read(bp, phy_blk[port],
12531 				MDIO_PMA_DEVAD,
12532 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
12533 
12534 		bnx2x_cl45_write(bp, phy_blk[port],
12535 				MDIO_PMA_DEVAD,
12536 				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12537 		usleep_range(15000, 30000);
12538 
12539 		/* Read modify write the SPI-ROM version select register */
12540 		bnx2x_cl45_read(bp, phy_blk[port],
12541 				MDIO_PMA_DEVAD,
12542 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12543 		bnx2x_cl45_write(bp, phy_blk[port],
12544 				 MDIO_PMA_DEVAD,
12545 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12546 
12547 		/* set GPIO2 back to LOW */
12548 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12549 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12550 	}
12551 	return 0;
12552 }
12553 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12554 				      u32 shmem_base_path[],
12555 				      u32 shmem2_base_path[], u8 phy_index,
12556 				      u32 chip_id)
12557 {
12558 	u32 val;
12559 	s8 port;
12560 	struct bnx2x_phy phy;
12561 	/* Use port1 because of the static port-swap */
12562 	/* Enable the module detection interrupt */
12563 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12564 	val |= ((1<<MISC_REGISTERS_GPIO_3)|
12565 		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12566 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12567 
12568 	bnx2x_ext_phy_hw_reset(bp, 0);
12569 	usleep_range(5000, 10000);
12570 	for (port = 0; port < PORT_MAX; port++) {
12571 		u32 shmem_base, shmem2_base;
12572 
12573 		/* In E2, same phy is using for port0 of the two paths */
12574 		if (CHIP_IS_E1x(bp)) {
12575 			shmem_base = shmem_base_path[0];
12576 			shmem2_base = shmem2_base_path[0];
12577 		} else {
12578 			shmem_base = shmem_base_path[port];
12579 			shmem2_base = shmem2_base_path[port];
12580 		}
12581 		/* Extract the ext phy address for the port */
12582 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12583 				       port, &phy) !=
12584 		    0) {
12585 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12586 			return -EINVAL;
12587 		}
12588 
12589 		/* Reset phy*/
12590 		bnx2x_cl45_write(bp, &phy,
12591 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
12592 
12593 
12594 		/* Set fault module detected LED on */
12595 		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
12596 			       MISC_REGISTERS_GPIO_HIGH,
12597 			       port);
12598 	}
12599 
12600 	return 0;
12601 }
12602 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
12603 					 u8 *io_gpio, u8 *io_port)
12604 {
12605 
12606 	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
12607 					  offsetof(struct shmem_region,
12608 				dev_info.port_hw_config[PORT_0].default_cfg));
12609 	switch (phy_gpio_reset) {
12610 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
12611 		*io_gpio = 0;
12612 		*io_port = 0;
12613 		break;
12614 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
12615 		*io_gpio = 1;
12616 		*io_port = 0;
12617 		break;
12618 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
12619 		*io_gpio = 2;
12620 		*io_port = 0;
12621 		break;
12622 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
12623 		*io_gpio = 3;
12624 		*io_port = 0;
12625 		break;
12626 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
12627 		*io_gpio = 0;
12628 		*io_port = 1;
12629 		break;
12630 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
12631 		*io_gpio = 1;
12632 		*io_port = 1;
12633 		break;
12634 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
12635 		*io_gpio = 2;
12636 		*io_port = 1;
12637 		break;
12638 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
12639 		*io_gpio = 3;
12640 		*io_port = 1;
12641 		break;
12642 	default:
12643 		/* Don't override the io_gpio and io_port */
12644 		break;
12645 	}
12646 }
12647 
12648 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
12649 				      u32 shmem_base_path[],
12650 				      u32 shmem2_base_path[], u8 phy_index,
12651 				      u32 chip_id)
12652 {
12653 	s8 port, reset_gpio;
12654 	u32 swap_val, swap_override;
12655 	struct bnx2x_phy phy[PORT_MAX];
12656 	struct bnx2x_phy *phy_blk[PORT_MAX];
12657 	s8 port_of_path;
12658 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12659 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12660 
12661 	reset_gpio = MISC_REGISTERS_GPIO_1;
12662 	port = 1;
12663 
12664 	/* Retrieve the reset gpio/port which control the reset.
12665 	 * Default is GPIO1, PORT1
12666 	 */
12667 	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
12668 				     (u8 *)&reset_gpio, (u8 *)&port);
12669 
12670 	/* Calculate the port based on port swap */
12671 	port ^= (swap_val && swap_override);
12672 
12673 	/* Initiate PHY reset*/
12674 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
12675 		       port);
12676 	 usleep_range(1000, 2000);
12677 	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12678 		       port);
12679 
12680 	usleep_range(5000, 10000);
12681 
12682 	/* PART1 - Reset both phys */
12683 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12684 		u32 shmem_base, shmem2_base;
12685 
12686 		/* In E2, same phy is using for port0 of the two paths */
12687 		if (CHIP_IS_E1x(bp)) {
12688 			shmem_base = shmem_base_path[0];
12689 			shmem2_base = shmem2_base_path[0];
12690 			port_of_path = port;
12691 		} else {
12692 			shmem_base = shmem_base_path[port];
12693 			shmem2_base = shmem2_base_path[port];
12694 			port_of_path = 0;
12695 		}
12696 
12697 		/* Extract the ext phy address for the port */
12698 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12699 				       port_of_path, &phy[port]) !=
12700 				       0) {
12701 			DP(NETIF_MSG_LINK, "populate phy failed\n");
12702 			return -EINVAL;
12703 		}
12704 		/* disable attentions */
12705 		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12706 			       port_of_path*4,
12707 			       (NIG_MASK_XGXS0_LINK_STATUS |
12708 				NIG_MASK_XGXS0_LINK10G |
12709 				NIG_MASK_SERDES0_LINK_STATUS |
12710 				NIG_MASK_MI_INT));
12711 
12712 
12713 		/* Reset the phy */
12714 		bnx2x_cl45_write(bp, &phy[port],
12715 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
12716 	}
12717 
12718 	/* Add delay of 150ms after reset */
12719 	msleep(150);
12720 	if (phy[PORT_0].addr & 0x1) {
12721 		phy_blk[PORT_0] = &(phy[PORT_1]);
12722 		phy_blk[PORT_1] = &(phy[PORT_0]);
12723 	} else {
12724 		phy_blk[PORT_0] = &(phy[PORT_0]);
12725 		phy_blk[PORT_1] = &(phy[PORT_1]);
12726 	}
12727 	/* PART2 - Download firmware to both phys */
12728 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12729 		if (CHIP_IS_E1x(bp))
12730 			port_of_path = port;
12731 		else
12732 			port_of_path = 0;
12733 		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12734 			   phy_blk[port]->addr);
12735 		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12736 						      port_of_path))
12737 			return -EINVAL;
12738 		/* Disable PHY transmitter output */
12739 		bnx2x_cl45_write(bp, phy_blk[port],
12740 				 MDIO_PMA_DEVAD,
12741 				 MDIO_PMA_REG_TX_DISABLE, 1);
12742 
12743 	}
12744 	return 0;
12745 }
12746 
12747 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
12748 						u32 shmem_base_path[],
12749 						u32 shmem2_base_path[],
12750 						u8 phy_index,
12751 						u32 chip_id)
12752 {
12753 	u8 reset_gpios;
12754 	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
12755 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
12756 	udelay(10);
12757 	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
12758 	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
12759 		reset_gpios);
12760 	return 0;
12761 }
12762 
12763 static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
12764 					       struct bnx2x_phy *phy)
12765 {
12766 	u16 val, cnt;
12767 	/* Wait for FW completing its initialization. */
12768 	for (cnt = 0; cnt < 1500; cnt++) {
12769 		bnx2x_cl45_read(bp, phy,
12770 				MDIO_PMA_DEVAD,
12771 				MDIO_PMA_REG_CTRL, &val);
12772 		if (!(val & (1<<15)))
12773 			break;
12774 		 usleep_range(1000, 2000);
12775 	}
12776 	if (cnt >= 1500) {
12777 		DP(NETIF_MSG_LINK, "84833 reset timeout\n");
12778 		return -EINVAL;
12779 	}
12780 
12781 	/* Put the port in super isolate mode. */
12782 	bnx2x_cl45_read(bp, phy,
12783 			MDIO_CTL_DEVAD,
12784 			MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
12785 	val |= MDIO_84833_SUPER_ISOLATE;
12786 	bnx2x_cl45_write(bp, phy,
12787 			 MDIO_CTL_DEVAD,
12788 			 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
12789 
12790 	/* Save spirom version */
12791 	bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12792 	return 0;
12793 }
12794 
12795 int bnx2x_pre_init_phy(struct bnx2x *bp,
12796 				  u32 shmem_base,
12797 				  u32 shmem2_base,
12798 				  u32 chip_id)
12799 {
12800 	int rc = 0;
12801 	struct bnx2x_phy phy;
12802 	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12803 	if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
12804 			       PORT_0, &phy)) {
12805 		DP(NETIF_MSG_LINK, "populate_phy failed\n");
12806 		return -EINVAL;
12807 	}
12808 	switch (phy.type) {
12809 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12810 		rc = bnx2x_84833_pre_init_phy(bp, &phy);
12811 		break;
12812 	default:
12813 		break;
12814 	}
12815 	return rc;
12816 }
12817 
12818 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
12819 				     u32 shmem2_base_path[], u8 phy_index,
12820 				     u32 ext_phy_type, u32 chip_id)
12821 {
12822 	int rc = 0;
12823 
12824 	switch (ext_phy_type) {
12825 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12826 		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
12827 						shmem2_base_path,
12828 						phy_index, chip_id);
12829 		break;
12830 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12831 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12832 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12833 		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
12834 						shmem2_base_path,
12835 						phy_index, chip_id);
12836 		break;
12837 
12838 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12839 		/* GPIO1 affects both ports, so there's need to pull
12840 		 * it for single port alone
12841 		 */
12842 		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
12843 						shmem2_base_path,
12844 						phy_index, chip_id);
12845 		break;
12846 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12847 		/* GPIO3's are linked, and so both need to be toggled
12848 		 * to obtain required 2us pulse.
12849 		 */
12850 		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
12851 						shmem2_base_path,
12852 						phy_index, chip_id);
12853 		break;
12854 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12855 		rc = -EINVAL;
12856 		break;
12857 	default:
12858 		DP(NETIF_MSG_LINK,
12859 			   "ext_phy 0x%x common init not required\n",
12860 			   ext_phy_type);
12861 		break;
12862 	}
12863 
12864 	if (rc)
12865 		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
12866 				      " Port %d\n",
12867 			 0);
12868 	return rc;
12869 }
12870 
12871 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
12872 			  u32 shmem2_base_path[], u32 chip_id)
12873 {
12874 	int rc = 0;
12875 	u32 phy_ver, val;
12876 	u8 phy_index = 0;
12877 	u32 ext_phy_type, ext_phy_config;
12878 	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
12879 	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
12880 	DP(NETIF_MSG_LINK, "Begin common phy init\n");
12881 	if (CHIP_IS_E3(bp)) {
12882 		/* Enable EPIO */
12883 		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
12884 		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
12885 	}
12886 	/* Check if common init was already done */
12887 	phy_ver = REG_RD(bp, shmem_base_path[0] +
12888 			 offsetof(struct shmem_region,
12889 				  port_mb[PORT_0].ext_phy_fw_version));
12890 	if (phy_ver) {
12891 		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
12892 			       phy_ver);
12893 		return 0;
12894 	}
12895 
12896 	/* Read the ext_phy_type for arbitrary port(0) */
12897 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
12898 	      phy_index++) {
12899 		ext_phy_config = bnx2x_get_ext_phy_config(bp,
12900 							  shmem_base_path[0],
12901 							  phy_index, 0);
12902 		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12903 		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
12904 						shmem2_base_path,
12905 						phy_index, ext_phy_type,
12906 						chip_id);
12907 	}
12908 	return rc;
12909 }
12910 
12911 static void bnx2x_check_over_curr(struct link_params *params,
12912 				  struct link_vars *vars)
12913 {
12914 	struct bnx2x *bp = params->bp;
12915 	u32 cfg_pin;
12916 	u8 port = params->port;
12917 	u32 pin_val;
12918 
12919 	cfg_pin = (REG_RD(bp, params->shmem_base +
12920 			  offsetof(struct shmem_region,
12921 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
12922 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
12923 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
12924 
12925 	/* Ignore check if no external input PIN available */
12926 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
12927 		return;
12928 
12929 	if (!pin_val) {
12930 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
12931 			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
12932 					    " been detected and the power to "
12933 					    "that SFP+ module has been removed"
12934 					    " to prevent failure of the card."
12935 					    " Please remove the SFP+ module and"
12936 					    " restart the system to clear this"
12937 					    " error.\n",
12938 			 params->port);
12939 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
12940 		}
12941 	} else
12942 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
12943 }
12944 
12945 /* Returns 0 if no change occured since last check; 1 otherwise. */
12946 static u8 bnx2x_analyze_link_error(struct link_params *params,
12947 				    struct link_vars *vars, u32 status,
12948 				    u32 phy_flag, u32 link_flag, u8 notify)
12949 {
12950 	struct bnx2x *bp = params->bp;
12951 	/* Compare new value with previous value */
12952 	u8 led_mode;
12953 	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
12954 
12955 	if ((status ^ old_status) == 0)
12956 		return 0;
12957 
12958 	/* If values differ */
12959 	switch (phy_flag) {
12960 	case PHY_HALF_OPEN_CONN_FLAG:
12961 		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
12962 		break;
12963 	case PHY_SFP_TX_FAULT_FLAG:
12964 		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
12965 		break;
12966 	default:
12967 		DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
12968 	}
12969 	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
12970 	   old_status, status);
12971 
12972 	/* a. Update shmem->link_status accordingly
12973 	 * b. Update link_vars->link_up
12974 	 */
12975 	if (status) {
12976 		vars->link_status &= ~LINK_STATUS_LINK_UP;
12977 		vars->link_status |= link_flag;
12978 		vars->link_up = 0;
12979 		vars->phy_flags |= phy_flag;
12980 
12981 		/* activate nig drain */
12982 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12983 		/* Set LED mode to off since the PHY doesn't know about these
12984 		 * errors
12985 		 */
12986 		led_mode = LED_MODE_OFF;
12987 	} else {
12988 		vars->link_status |= LINK_STATUS_LINK_UP;
12989 		vars->link_status &= ~link_flag;
12990 		vars->link_up = 1;
12991 		vars->phy_flags &= ~phy_flag;
12992 		led_mode = LED_MODE_OPER;
12993 
12994 		/* Clear nig drain */
12995 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12996 	}
12997 	bnx2x_sync_link(params, vars);
12998 	/* Update the LED according to the link state */
12999 	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13000 
13001 	/* Update link status in the shared memory */
13002 	bnx2x_update_mng(params, vars->link_status);
13003 
13004 	/* C. Trigger General Attention */
13005 	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13006 	if (notify)
13007 		bnx2x_notify_link_changed(bp);
13008 
13009 	return 1;
13010 }
13011 
13012 /******************************************************************************
13013 * Description:
13014 *	This function checks for half opened connection change indication.
13015 *	When such change occurs, it calls the bnx2x_analyze_link_error
13016 *	to check if Remote Fault is set or cleared. Reception of remote fault
13017 *	status message in the MAC indicates that the peer's MAC has detected
13018 *	a fault, for example, due to break in the TX side of fiber.
13019 *
13020 ******************************************************************************/
13021 int bnx2x_check_half_open_conn(struct link_params *params,
13022 				struct link_vars *vars,
13023 				u8 notify)
13024 {
13025 	struct bnx2x *bp = params->bp;
13026 	u32 lss_status = 0;
13027 	u32 mac_base;
13028 	/* In case link status is physically up @ 10G do */
13029 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13030 	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13031 		return 0;
13032 
13033 	if (CHIP_IS_E3(bp) &&
13034 	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
13035 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13036 		/* Check E3 XMAC */
13037 		/* Note that link speed cannot be queried here, since it may be
13038 		 * zero while link is down. In case UMAC is active, LSS will
13039 		 * simply not be set
13040 		 */
13041 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13042 
13043 		/* Clear stick bits (Requires rising edge) */
13044 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13045 		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13046 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13047 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13048 		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13049 			lss_status = 1;
13050 
13051 		bnx2x_analyze_link_error(params, vars, lss_status,
13052 					 PHY_HALF_OPEN_CONN_FLAG,
13053 					 LINK_STATUS_NONE, notify);
13054 	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13055 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13056 		/* Check E1X / E2 BMAC */
13057 		u32 lss_status_reg;
13058 		u32 wb_data[2];
13059 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13060 			NIG_REG_INGRESS_BMAC0_MEM;
13061 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13062 		if (CHIP_IS_E2(bp))
13063 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13064 		else
13065 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13066 
13067 		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13068 		lss_status = (wb_data[0] > 0);
13069 
13070 		bnx2x_analyze_link_error(params, vars, lss_status,
13071 					 PHY_HALF_OPEN_CONN_FLAG,
13072 					 LINK_STATUS_NONE, notify);
13073 	}
13074 	return 0;
13075 }
13076 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13077 					 struct link_params *params,
13078 					 struct link_vars *vars)
13079 {
13080 	struct bnx2x *bp = params->bp;
13081 	u32 cfg_pin, value = 0;
13082 	u8 led_change, port = params->port;
13083 
13084 	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13085 	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13086 			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13087 		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13088 		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13089 
13090 	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13091 		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13092 		return;
13093 	}
13094 
13095 	led_change = bnx2x_analyze_link_error(params, vars, value,
13096 					      PHY_SFP_TX_FAULT_FLAG,
13097 					      LINK_STATUS_SFP_TX_FAULT, 1);
13098 
13099 	if (led_change) {
13100 		/* Change TX_Fault led, set link status for further syncs */
13101 		u8 led_mode;
13102 
13103 		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13104 			led_mode = MISC_REGISTERS_GPIO_HIGH;
13105 			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13106 		} else {
13107 			led_mode = MISC_REGISTERS_GPIO_LOW;
13108 			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13109 		}
13110 
13111 		/* If module is unapproved, led should be on regardless */
13112 		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13113 			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13114 			   led_mode);
13115 			bnx2x_set_e3_module_fault_led(params, led_mode);
13116 		}
13117 	}
13118 }
13119 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13120 {
13121 	u16 phy_idx;
13122 	struct bnx2x *bp = params->bp;
13123 	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13124 		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13125 			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13126 			if (bnx2x_check_half_open_conn(params, vars, 1) !=
13127 			    0)
13128 				DP(NETIF_MSG_LINK, "Fault detection failed\n");
13129 			break;
13130 		}
13131 	}
13132 
13133 	if (CHIP_IS_E3(bp)) {
13134 		struct bnx2x_phy *phy = &params->phy[INT_PHY];
13135 		bnx2x_set_aer_mmd(params, phy);
13136 		bnx2x_check_over_curr(params, vars);
13137 		if (vars->rx_tx_asic_rst)
13138 			bnx2x_warpcore_config_runtime(phy, params, vars);
13139 
13140 		if ((REG_RD(bp, params->shmem_base +
13141 			    offsetof(struct shmem_region, dev_info.
13142 				port_hw_config[params->port].default_cfg))
13143 		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13144 		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
13145 			if (bnx2x_is_sfp_module_plugged(phy, params)) {
13146 				bnx2x_sfp_tx_fault_detection(phy, params, vars);
13147 			} else if (vars->link_status &
13148 				LINK_STATUS_SFP_TX_FAULT) {
13149 				/* Clean trail, interrupt corrects the leds */
13150 				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13151 				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13152 				/* Update link status in the shared memory */
13153 				bnx2x_update_mng(params, vars->link_status);
13154 			}
13155 		}
13156 
13157 	}
13158 
13159 }
13160 
13161 u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
13162 {
13163 	u8 phy_index;
13164 	struct bnx2x_phy phy;
13165 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13166 	      phy_index++) {
13167 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13168 				       0, &phy) != 0) {
13169 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13170 			return 0;
13171 		}
13172 
13173 		if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
13174 			return 1;
13175 	}
13176 	return 0;
13177 }
13178 
13179 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13180 			     u32 shmem_base,
13181 			     u32 shmem2_base,
13182 			     u8 port)
13183 {
13184 	u8 phy_index, fan_failure_det_req = 0;
13185 	struct bnx2x_phy phy;
13186 	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13187 	      phy_index++) {
13188 		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13189 				       port, &phy)
13190 		    != 0) {
13191 			DP(NETIF_MSG_LINK, "populate phy failed\n");
13192 			return 0;
13193 		}
13194 		fan_failure_det_req |= (phy.flags &
13195 					FLAGS_FAN_FAILURE_DET_REQ);
13196 	}
13197 	return fan_failure_det_req;
13198 }
13199 
13200 void bnx2x_hw_reset_phy(struct link_params *params)
13201 {
13202 	u8 phy_index;
13203 	struct bnx2x *bp = params->bp;
13204 	bnx2x_update_mng(params, 0);
13205 	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13206 		       (NIG_MASK_XGXS0_LINK_STATUS |
13207 			NIG_MASK_XGXS0_LINK10G |
13208 			NIG_MASK_SERDES0_LINK_STATUS |
13209 			NIG_MASK_MI_INT));
13210 
13211 	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13212 	      phy_index++) {
13213 		if (params->phy[phy_index].hw_reset) {
13214 			params->phy[phy_index].hw_reset(
13215 				&params->phy[phy_index],
13216 				params);
13217 			params->phy[phy_index] = phy_null;
13218 		}
13219 	}
13220 }
13221 
13222 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13223 			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
13224 			    u8 port)
13225 {
13226 	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13227 	u32 val;
13228 	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13229 	if (CHIP_IS_E3(bp)) {
13230 		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13231 					      shmem_base,
13232 					      port,
13233 					      &gpio_num,
13234 					      &gpio_port) != 0)
13235 			return;
13236 	} else {
13237 		struct bnx2x_phy phy;
13238 		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13239 		      phy_index++) {
13240 			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13241 					       shmem2_base, port, &phy)
13242 			    != 0) {
13243 				DP(NETIF_MSG_LINK, "populate phy failed\n");
13244 				return;
13245 			}
13246 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13247 				gpio_num = MISC_REGISTERS_GPIO_3;
13248 				gpio_port = port;
13249 				break;
13250 			}
13251 		}
13252 	}
13253 
13254 	if (gpio_num == 0xff)
13255 		return;
13256 
13257 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
13258 	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13259 
13260 	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13261 	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13262 	gpio_port ^= (swap_val && swap_override);
13263 
13264 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13265 		(gpio_num + (gpio_port << 2));
13266 
13267 	sync_offset = shmem_base +
13268 		offsetof(struct shmem_region,
13269 			 dev_info.port_hw_config[port].aeu_int_mask);
13270 	REG_WR(bp, sync_offset, vars->aeu_int_mask);
13271 
13272 	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13273 		       gpio_num, gpio_port, vars->aeu_int_mask);
13274 
13275 	if (port == 0)
13276 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13277 	else
13278 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13279 
13280 	/* Open appropriate AEU for interrupts */
13281 	aeu_mask = REG_RD(bp, offset);
13282 	aeu_mask |= vars->aeu_int_mask;
13283 	REG_WR(bp, offset, aeu_mask);
13284 
13285 	/* Enable the GPIO to trigger interrupt */
13286 	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13287 	val |= 1 << (gpio_num + (gpio_port << 2));
13288 	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13289 }
13290