1/* Copyright 2008-2013 Broadcom Corporation
2 * Copyright (c) 2014 QLogic Corporation
3 * All rights reserved
4 *
5 * Unless you and QLogic execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/gpl-2.0.html (the "GPL").
9 *
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Qlogic software provided under a
12 * license other than the GPL, without Qlogic's express prior written
13 * consent.
14 *
15 * Written by Yaniv Rosner
16 *
17 */
18
19#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20
21#include <linux/kernel.h>
22#include <linux/errno.h>
23#include <linux/pci.h>
24#include <linux/netdevice.h>
25#include <linux/delay.h>
26#include <linux/ethtool.h>
27#include <linux/mutex.h>
28
29#include "bnx2x.h"
30#include "bnx2x_cmn.h"
31
32typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
33					     struct link_params *params,
34					     u8 dev_addr, u16 addr, u8 byte_cnt,
35					     u8 *o_buf, u8);
36/********************************************************/
37#define ETH_HLEN			14
38/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
39#define ETH_OVREHEAD			(ETH_HLEN + 8 + 8)
40#define ETH_MIN_PACKET_SIZE		60
41#define ETH_MAX_PACKET_SIZE		1500
42#define ETH_MAX_JUMBO_PACKET_SIZE	9600
43#define MDIO_ACCESS_TIMEOUT		1000
44#define WC_LANE_MAX			4
45#define I2C_SWITCH_WIDTH		2
46#define I2C_BSC0			0
47#define I2C_BSC1			1
48#define I2C_WA_RETRY_CNT		3
49#define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
50#define MCPR_IMC_COMMAND_READ_OP	1
51#define MCPR_IMC_COMMAND_WRITE_OP	2
52
53/* LED Blink rate that will achieve ~15.9Hz */
54#define LED_BLINK_RATE_VAL_E3		354
55#define LED_BLINK_RATE_VAL_E1X_E2	480
56/***********************************************************/
57/*			Shortcut definitions		   */
58/***********************************************************/
59
60#define NIG_LATCH_BC_ENABLE_MI_INT 0
61
62#define NIG_STATUS_EMAC0_MI_INT \
63		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
64#define NIG_STATUS_XGXS0_LINK10G \
65		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
66#define NIG_STATUS_XGXS0_LINK_STATUS \
67		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
68#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
69		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
70#define NIG_STATUS_SERDES0_LINK_STATUS \
71		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
72#define NIG_MASK_MI_INT \
73		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
74#define NIG_MASK_XGXS0_LINK10G \
75		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
76#define NIG_MASK_XGXS0_LINK_STATUS \
77		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
78#define NIG_MASK_SERDES0_LINK_STATUS \
79		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
80
81#define MDIO_AN_CL73_OR_37_COMPLETE \
82		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
83		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
84
85#define XGXS_RESET_BITS \
86	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
87	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
88	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
89	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
90	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
91
92#define SERDES_RESET_BITS \
93	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
94	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
95	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
96	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
97
98#define AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
99#define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
100#define AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
101#define AUTONEG_PARALLEL \
102				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
103#define AUTONEG_SGMII_FIBER_AUTODET \
104				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
105#define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
106
107#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
108			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
109#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
110			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
111#define GP_STATUS_SPEED_MASK \
112			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
113#define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
114#define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
115#define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
116#define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
117#define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
118#define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
119#define GP_STATUS_10G_HIG \
120			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
121#define GP_STATUS_10G_CX4 \
122			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
123#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
124#define GP_STATUS_10G_KX4 \
125			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
126#define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
127#define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
128#define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
129#define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
130#define	GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
131#define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
132#define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
133#define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
134#define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
135#define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
136#define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
137#define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
138#define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
139#define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
140#define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
141#define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
142#define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
143#define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
144#define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
145#define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
146
147#define LINK_UPDATE_MASK \
148			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
149			 LINK_STATUS_LINK_UP | \
150			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
151			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
152			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
153			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
154			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
155			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
156			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
157
158#define SFP_EEPROM_CON_TYPE_ADDR		0x2
159	#define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN	0x0
160	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
161	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
162	#define SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22
163
164
165#define SFP_EEPROM_10G_COMP_CODE_ADDR		0x3
166	#define SFP_EEPROM_10G_COMP_CODE_SR_MASK	(1<<4)
167	#define SFP_EEPROM_10G_COMP_CODE_LR_MASK	(1<<5)
168	#define SFP_EEPROM_10G_COMP_CODE_LRM_MASK	(1<<6)
169
170#define SFP_EEPROM_1G_COMP_CODE_ADDR		0x6
171	#define SFP_EEPROM_1G_COMP_CODE_SX	(1<<0)
172	#define SFP_EEPROM_1G_COMP_CODE_LX	(1<<1)
173	#define SFP_EEPROM_1G_COMP_CODE_CX	(1<<2)
174	#define SFP_EEPROM_1G_COMP_CODE_BASE_T	(1<<3)
175
176#define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
177	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
178	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
179
180#define SFP_EEPROM_OPTIONS_ADDR			0x40
181	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
182#define SFP_EEPROM_OPTIONS_SIZE			2
183
184#define EDC_MODE_LINEAR				0x0022
185#define EDC_MODE_LIMITING				0x0044
186#define EDC_MODE_PASSIVE_DAC			0x0055
187#define EDC_MODE_ACTIVE_DAC			0x0066
188
189/* ETS defines*/
190#define DCBX_INVALID_COS					(0xFF)
191
192#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
193#define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
194#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
195#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
196#define ETS_E3B0_PBF_MIN_W_VAL				(10000)
197
198#define MAX_PACKET_SIZE					(9700)
199#define MAX_KR_LINK_RETRY				4
200#define DEFAULT_TX_DRV_BRDCT		2
201#define DEFAULT_TX_DRV_IFIR		0
202#define DEFAULT_TX_DRV_POST2		3
203#define DEFAULT_TX_DRV_IPRE_DRIVER	6
204
205/**********************************************************/
206/*                     INTERFACE                          */
207/**********************************************************/
208
209#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
210	bnx2x_cl45_write(_bp, _phy, \
211		(_phy)->def_md_devad, \
212		(_bank + (_addr & 0xf)), \
213		_val)
214
215#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
216	bnx2x_cl45_read(_bp, _phy, \
217		(_phy)->def_md_devad, \
218		(_bank + (_addr & 0xf)), \
219		_val)
220
221static int bnx2x_check_half_open_conn(struct link_params *params,
222				      struct link_vars *vars, u8 notify);
223static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
224				      struct link_params *params);
225
226static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
227{
228	u32 val = REG_RD(bp, reg);
229
230	val |= bits;
231	REG_WR(bp, reg, val);
232	return val;
233}
234
235static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
236{
237	u32 val = REG_RD(bp, reg);
238
239	val &= ~bits;
240	REG_WR(bp, reg, val);
241	return val;
242}
243
244/*
245 * bnx2x_check_lfa - This function checks if link reinitialization is required,
246 *                   or link flap can be avoided.
247 *
248 * @params:	link parameters
249 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
250 *         condition code.
251 */
252static int bnx2x_check_lfa(struct link_params *params)
253{
254	u32 link_status, cfg_idx, lfa_mask, cfg_size;
255	u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
256	u32 saved_val, req_val, eee_status;
257	struct bnx2x *bp = params->bp;
258
259	additional_config =
260		REG_RD(bp, params->lfa_base +
261			   offsetof(struct shmem_lfa, additional_config));
262
263	/* NOTE: must be first condition checked -
264	* to verify DCC bit is cleared in any case!
265	*/
266	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
267		DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
268		REG_WR(bp, params->lfa_base +
269			   offsetof(struct shmem_lfa, additional_config),
270		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
271		return LFA_DCC_LFA_DISABLED;
272	}
273
274	/* Verify that link is up */
275	link_status = REG_RD(bp, params->shmem_base +
276			     offsetof(struct shmem_region,
277				      port_mb[params->port].link_status));
278	if (!(link_status & LINK_STATUS_LINK_UP))
279		return LFA_LINK_DOWN;
280
281	/* if loaded after BOOT from SAN, don't flap the link in any case and
282	 * rely on link set by preboot driver
283	 */
284	if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
285		return 0;
286
287	/* Verify that loopback mode is not set */
288	if (params->loopback_mode)
289		return LFA_LOOPBACK_ENABLED;
290
291	/* Verify that MFW supports LFA */
292	if (!params->lfa_base)
293		return LFA_MFW_IS_TOO_OLD;
294
295	if (params->num_phys == 3) {
296		cfg_size = 2;
297		lfa_mask = 0xffffffff;
298	} else {
299		cfg_size = 1;
300		lfa_mask = 0xffff;
301	}
302
303	/* Compare Duplex */
304	saved_val = REG_RD(bp, params->lfa_base +
305			   offsetof(struct shmem_lfa, req_duplex));
306	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
307	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
308		DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
309			       (saved_val & lfa_mask), (req_val & lfa_mask));
310		return LFA_DUPLEX_MISMATCH;
311	}
312	/* Compare Flow Control */
313	saved_val = REG_RD(bp, params->lfa_base +
314			   offsetof(struct shmem_lfa, req_flow_ctrl));
315	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
316	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
317		DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
318			       (saved_val & lfa_mask), (req_val & lfa_mask));
319		return LFA_FLOW_CTRL_MISMATCH;
320	}
321	/* Compare Link Speed */
322	saved_val = REG_RD(bp, params->lfa_base +
323			   offsetof(struct shmem_lfa, req_line_speed));
324	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
325	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
326		DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
327			       (saved_val & lfa_mask), (req_val & lfa_mask));
328		return LFA_LINK_SPEED_MISMATCH;
329	}
330
331	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
332		cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
333					    offsetof(struct shmem_lfa,
334						     speed_cap_mask[cfg_idx]));
335
336		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
337			DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
338				       cur_speed_cap_mask,
339				       params->speed_cap_mask[cfg_idx]);
340			return LFA_SPEED_CAP_MISMATCH;
341		}
342	}
343
344	cur_req_fc_auto_adv =
345		REG_RD(bp, params->lfa_base +
346		       offsetof(struct shmem_lfa, additional_config)) &
347		REQ_FC_AUTO_ADV_MASK;
348
349	if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
350		DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
351			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
352		return LFA_FLOW_CTRL_MISMATCH;
353	}
354
355	eee_status = REG_RD(bp, params->shmem2_base +
356			    offsetof(struct shmem2_region,
357				     eee_status[params->port]));
358
359	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
360	     (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
361	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
362	     (params->eee_mode & EEE_MODE_ADV_LPI))) {
363		DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
364			       eee_status);
365		return LFA_EEE_MISMATCH;
366	}
367
368	/* LFA conditions are met */
369	return 0;
370}
371/******************************************************************/
372/*			EPIO/GPIO section			  */
373/******************************************************************/
374static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
375{
376	u32 epio_mask, gp_oenable;
377	*en = 0;
378	/* Sanity check */
379	if (epio_pin > 31) {
380		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
381		return;
382	}
383
384	epio_mask = 1 << epio_pin;
385	/* Set this EPIO to output */
386	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
387	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
388
389	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
390}
391static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
392{
393	u32 epio_mask, gp_output, gp_oenable;
394
395	/* Sanity check */
396	if (epio_pin > 31) {
397		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
398		return;
399	}
400	DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
401	epio_mask = 1 << epio_pin;
402	/* Set this EPIO to output */
403	gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
404	if (en)
405		gp_output |= epio_mask;
406	else
407		gp_output &= ~epio_mask;
408
409	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
410
411	/* Set the value for this EPIO */
412	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
413	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
414}
415
416static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
417{
418	if (pin_cfg == PIN_CFG_NA)
419		return;
420	if (pin_cfg >= PIN_CFG_EPIO0) {
421		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
422	} else {
423		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
424		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
425		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
426	}
427}
428
429static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
430{
431	if (pin_cfg == PIN_CFG_NA)
432		return -EINVAL;
433	if (pin_cfg >= PIN_CFG_EPIO0) {
434		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
435	} else {
436		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
437		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
438		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
439	}
440	return 0;
441
442}
443/******************************************************************/
444/*				ETS section			  */
445/******************************************************************/
446static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
447{
448	/* ETS disabled configuration*/
449	struct bnx2x *bp = params->bp;
450
451	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
452
453	/* mapping between entry  priority to client number (0,1,2 -debug and
454	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
455	 * 3bits client num.
456	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
457	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
458	 */
459
460	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
461	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
462	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
463	 * COS0 entry, 4 - COS1 entry.
464	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
465	 * bit4   bit3	  bit2   bit1	  bit0
466	 * MCP and debug are strict
467	 */
468
469	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
470	/* defines which entries (clients) are subjected to WFQ arbitration */
471	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
472	/* For strict priority entries defines the number of consecutive
473	 * slots for the highest priority.
474	 */
475	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
476	/* mapping between the CREDIT_WEIGHT registers and actual client
477	 * numbers
478	 */
479	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
480	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
481	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
482
483	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
484	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
485	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
486	/* ETS mode disable */
487	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
488	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
489	 * weight for COS0/COS1.
490	 */
491	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
492	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
493	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
494	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
495	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
496	/* Defines the number of consecutive slots for the strict priority */
497	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
498}
499/******************************************************************************
500* Description:
501*	Getting min_w_val will be set according to line speed .
502*.
503******************************************************************************/
504static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
505{
506	u32 min_w_val = 0;
507	/* Calculate min_w_val.*/
508	if (vars->link_up) {
509		if (vars->line_speed == SPEED_20000)
510			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
511		else
512			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
513	} else
514		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
515	/* If the link isn't up (static configuration for example ) The
516	 * link will be according to 20GBPS.
517	 */
518	return min_w_val;
519}
520/******************************************************************************
521* Description:
522*	Getting credit upper bound form min_w_val.
523*.
524******************************************************************************/
525static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
526{
527	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
528						MAX_PACKET_SIZE);
529	return credit_upper_bound;
530}
531/******************************************************************************
532* Description:
533*	Set credit upper bound for NIG.
534*.
535******************************************************************************/
536static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
537	const struct link_params *params,
538	const u32 min_w_val)
539{
540	struct bnx2x *bp = params->bp;
541	const u8 port = params->port;
542	const u32 credit_upper_bound =
543	    bnx2x_ets_get_credit_upper_bound(min_w_val);
544
545	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
546		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
547	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
548		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
549	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
550		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
551	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
552		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
553	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
554		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
555	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
556		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
557
558	if (!port) {
559		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
560			credit_upper_bound);
561		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
562			credit_upper_bound);
563		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
564			credit_upper_bound);
565	}
566}
567/******************************************************************************
568* Description:
569*	Will return the NIG ETS registers to init values.Except
570*	credit_upper_bound.
571*	That isn't used in this configuration (No WFQ is enabled) and will be
572*	configured according to spec
573*.
574******************************************************************************/
575static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
576					const struct link_vars *vars)
577{
578	struct bnx2x *bp = params->bp;
579	const u8 port = params->port;
580	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
581	/* Mapping between entry  priority to client number (0,1,2 -debug and
582	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
583	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
584	 * reset value or init tool
585	 */
586	if (port) {
587		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
588		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
589	} else {
590		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
591		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
592	}
593	/* For strict priority entries defines the number of consecutive
594	 * slots for the highest priority.
595	 */
596	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
597		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
598	/* Mapping between the CREDIT_WEIGHT registers and actual client
599	 * numbers
600	 */
601	if (port) {
602		/*Port 1 has 6 COS*/
603		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
604		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
605	} else {
606		/*Port 0 has 9 COS*/
607		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
608		       0x43210876);
609		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
610	}
611
612	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
613	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
614	 * COS0 entry, 4 - COS1 entry.
615	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
616	 * bit4   bit3	  bit2   bit1	  bit0
617	 * MCP and debug are strict
618	 */
619	if (port)
620		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
621	else
622		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
623	/* defines which entries (clients) are subjected to WFQ arbitration */
624	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
625		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
626
627	/* Please notice the register address are note continuous and a
628	 * for here is note appropriate.In 2 port mode port0 only COS0-5
629	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
630	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
631	 * are never used for WFQ
632	 */
633	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
634		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
635	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
636		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
637	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
638		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
639	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
640		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
641	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
642		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
643	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
644		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
645	if (!port) {
646		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
647		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
648		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
649	}
650
651	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
652}
653/******************************************************************************
654* Description:
655*	Set credit upper bound for PBF.
656*.
657******************************************************************************/
658static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
659	const struct link_params *params,
660	const u32 min_w_val)
661{
662	struct bnx2x *bp = params->bp;
663	const u32 credit_upper_bound =
664	    bnx2x_ets_get_credit_upper_bound(min_w_val);
665	const u8 port = params->port;
666	u32 base_upper_bound = 0;
667	u8 max_cos = 0;
668	u8 i = 0;
669	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
670	 * port mode port1 has COS0-2 that can be used for WFQ.
671	 */
672	if (!port) {
673		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
674		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
675	} else {
676		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
677		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
678	}
679
680	for (i = 0; i < max_cos; i++)
681		REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
682}
683
684/******************************************************************************
685* Description:
686*	Will return the PBF ETS registers to init values.Except
687*	credit_upper_bound.
688*	That isn't used in this configuration (No WFQ is enabled) and will be
689*	configured according to spec
690*.
691******************************************************************************/
692static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
693{
694	struct bnx2x *bp = params->bp;
695	const u8 port = params->port;
696	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
697	u8 i = 0;
698	u32 base_weight = 0;
699	u8 max_cos = 0;
700
701	/* Mapping between entry  priority to client number 0 - COS0
702	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
703	 * TODO_ETS - Should be done by reset value or init tool
704	 */
705	if (port)
706		/*  0x688 (|011|0 10|00 1|000) */
707		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
708	else
709		/*  (10 1|100 |011|0 10|00 1|000) */
710		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
711
712	/* TODO_ETS - Should be done by reset value or init tool */
713	if (port)
714		/* 0x688 (|011|0 10|00 1|000)*/
715		REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
716	else
717	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
718	REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
719
720	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
721		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
722
723
724	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
725		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
726
727	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
728		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
729	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
730	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
731	 */
732	if (!port) {
733		base_weight = PBF_REG_COS0_WEIGHT_P0;
734		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
735	} else {
736		base_weight = PBF_REG_COS0_WEIGHT_P1;
737		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
738	}
739
740	for (i = 0; i < max_cos; i++)
741		REG_WR(bp, base_weight + (0x4 * i), 0);
742
743	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
744}
745/******************************************************************************
746* Description:
747*	E3B0 disable will return basically the values to init values.
748*.
749******************************************************************************/
750static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
751				   const struct link_vars *vars)
752{
753	struct bnx2x *bp = params->bp;
754
755	if (!CHIP_IS_E3B0(bp)) {
756		DP(NETIF_MSG_LINK,
757		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
758		return -EINVAL;
759	}
760
761	bnx2x_ets_e3b0_nig_disabled(params, vars);
762
763	bnx2x_ets_e3b0_pbf_disabled(params);
764
765	return 0;
766}
767
768/******************************************************************************
769* Description:
770*	Disable will return basically the values to init values.
771*
772******************************************************************************/
773int bnx2x_ets_disabled(struct link_params *params,
774		      struct link_vars *vars)
775{
776	struct bnx2x *bp = params->bp;
777	int bnx2x_status = 0;
778
779	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
780		bnx2x_ets_e2e3a0_disabled(params);
781	else if (CHIP_IS_E3B0(bp))
782		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
783	else {
784		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
785		return -EINVAL;
786	}
787
788	return bnx2x_status;
789}
790
791/******************************************************************************
792* Description
793*	Set the COS mappimg to SP and BW until this point all the COS are not
794*	set as SP or BW.
795******************************************************************************/
796static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
797				  const struct bnx2x_ets_params *ets_params,
798				  const u8 cos_sp_bitmap,
799				  const u8 cos_bw_bitmap)
800{
801	struct bnx2x *bp = params->bp;
802	const u8 port = params->port;
803	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
804	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
805	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
806	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
807
808	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
809	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
810
811	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
812	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
813
814	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
815	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
816	       nig_cli_subject2wfq_bitmap);
817
818	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
819	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
820	       pbf_cli_subject2wfq_bitmap);
821
822	return 0;
823}
824
825/******************************************************************************
826* Description:
827*	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
828*	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
829******************************************************************************/
830static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
831				     const u8 cos_entry,
832				     const u32 min_w_val_nig,
833				     const u32 min_w_val_pbf,
834				     const u16 total_bw,
835				     const u8 bw,
836				     const u8 port)
837{
838	u32 nig_reg_adress_crd_weight = 0;
839	u32 pbf_reg_adress_crd_weight = 0;
840	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
841	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
842	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
843
844	switch (cos_entry) {
845	case 0:
846	    nig_reg_adress_crd_weight =
847		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
848		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
849	     pbf_reg_adress_crd_weight = (port) ?
850		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
851	     break;
852	case 1:
853	     nig_reg_adress_crd_weight = (port) ?
854		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
855		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
856	     pbf_reg_adress_crd_weight = (port) ?
857		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
858	     break;
859	case 2:
860	     nig_reg_adress_crd_weight = (port) ?
861		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
862		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
863
864		 pbf_reg_adress_crd_weight = (port) ?
865		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
866	     break;
867	case 3:
868	    if (port)
869			return -EINVAL;
870	     nig_reg_adress_crd_weight =
871		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
872	     pbf_reg_adress_crd_weight =
873		 PBF_REG_COS3_WEIGHT_P0;
874	     break;
875	case 4:
876	    if (port)
877		return -EINVAL;
878	     nig_reg_adress_crd_weight =
879		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
880	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
881	     break;
882	case 5:
883	    if (port)
884		return -EINVAL;
885	     nig_reg_adress_crd_weight =
886		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
887	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
888	     break;
889	}
890
891	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
892
893	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
894
895	return 0;
896}
897/******************************************************************************
898* Description:
899*	Calculate the total BW.A value of 0 isn't legal.
900*
901******************************************************************************/
902static int bnx2x_ets_e3b0_get_total_bw(
903	const struct link_params *params,
904	struct bnx2x_ets_params *ets_params,
905	u16 *total_bw)
906{
907	struct bnx2x *bp = params->bp;
908	u8 cos_idx = 0;
909	u8 is_bw_cos_exist = 0;
910
911	*total_bw = 0 ;
912	/* Calculate total BW requested */
913	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
914		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
915			is_bw_cos_exist = 1;
916			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
917				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
918						   "was set to 0\n");
919				/* This is to prevent a state when ramrods
920				 * can't be sent
921				 */
922				ets_params->cos[cos_idx].params.bw_params.bw
923					 = 1;
924			}
925			*total_bw +=
926				ets_params->cos[cos_idx].params.bw_params.bw;
927		}
928	}
929
930	/* Check total BW is valid */
931	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
932		if (*total_bw == 0) {
933			DP(NETIF_MSG_LINK,
934			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
935			return -EINVAL;
936		}
937		DP(NETIF_MSG_LINK,
938		   "bnx2x_ets_E3B0_config total BW should be 100\n");
939		/* We can handle a case whre the BW isn't 100 this can happen
940		 * if the TC are joined.
941		 */
942	}
943	return 0;
944}
945
946/******************************************************************************
947* Description:
948*	Invalidate all the sp_pri_to_cos.
949*
950******************************************************************************/
951static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
952{
953	u8 pri = 0;
954	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
955		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
956}
957/******************************************************************************
958* Description:
959*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
960*	according to sp_pri_to_cos.
961*
962******************************************************************************/
963static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
964					    u8 *sp_pri_to_cos, const u8 pri,
965					    const u8 cos_entry)
966{
967	struct bnx2x *bp = params->bp;
968	const u8 port = params->port;
969	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
970		DCBX_E3B0_MAX_NUM_COS_PORT0;
971
972	if (pri >= max_num_of_cos) {
973		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
974		   "parameter Illegal strict priority\n");
975	    return -EINVAL;
976	}
977
978	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
979		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
980				   "parameter There can't be two COS's with "
981				   "the same strict pri\n");
982		return -EINVAL;
983	}
984
985	sp_pri_to_cos[pri] = cos_entry;
986	return 0;
987
988}
989
990/******************************************************************************
991* Description:
992*	Returns the correct value according to COS and priority in
993*	the sp_pri_cli register.
994*
995******************************************************************************/
996static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
997					 const u8 pri_set,
998					 const u8 pri_offset,
999					 const u8 entry_size)
1000{
1001	u64 pri_cli_nig = 0;
1002	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
1003						    (pri_set + pri_offset));
1004
1005	return pri_cli_nig;
1006}
1007/******************************************************************************
1008* Description:
1009*	Returns the correct value according to COS and priority in the
1010*	sp_pri_cli register for NIG.
1011*
1012******************************************************************************/
1013static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1014{
1015	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1016	const u8 nig_cos_offset = 3;
1017	const u8 nig_pri_offset = 3;
1018
1019	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1020		nig_pri_offset, 4);
1021
1022}
1023/******************************************************************************
1024* Description:
1025*	Returns the correct value according to COS and priority in the
1026*	sp_pri_cli register for PBF.
1027*
1028******************************************************************************/
1029static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1030{
1031	const u8 pbf_cos_offset = 0;
1032	const u8 pbf_pri_offset = 0;
1033
1034	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1035		pbf_pri_offset, 3);
1036
1037}
1038
1039/******************************************************************************
1040* Description:
1041*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1042*	according to sp_pri_to_cos.(which COS has higher priority)
1043*
1044******************************************************************************/
1045static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1046					     u8 *sp_pri_to_cos)
1047{
1048	struct bnx2x *bp = params->bp;
1049	u8 i = 0;
1050	const u8 port = params->port;
1051	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1052	u64 pri_cli_nig = 0x210;
1053	u32 pri_cli_pbf = 0x0;
1054	u8 pri_set = 0;
1055	u8 pri_bitmask = 0;
1056	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1057		DCBX_E3B0_MAX_NUM_COS_PORT0;
1058
1059	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1060
1061	/* Set all the strict priority first */
1062	for (i = 0; i < max_num_of_cos; i++) {
1063		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1064			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1065				DP(NETIF_MSG_LINK,
1066					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1067					   "invalid cos entry\n");
1068				return -EINVAL;
1069			}
1070
1071			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1072			    sp_pri_to_cos[i], pri_set);
1073
1074			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1075			    sp_pri_to_cos[i], pri_set);
1076			pri_bitmask = 1 << sp_pri_to_cos[i];
1077			/* COS is used remove it from bitmap.*/
1078			if (!(pri_bitmask & cos_bit_to_set)) {
1079				DP(NETIF_MSG_LINK,
1080					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1081					"invalid There can't be two COS's with"
1082					" the same strict pri\n");
1083				return -EINVAL;
1084			}
1085			cos_bit_to_set &= ~pri_bitmask;
1086			pri_set++;
1087		}
1088	}
1089
1090	/* Set all the Non strict priority i= COS*/
1091	for (i = 0; i < max_num_of_cos; i++) {
1092		pri_bitmask = 1 << i;
1093		/* Check if COS was already used for SP */
1094		if (pri_bitmask & cos_bit_to_set) {
1095			/* COS wasn't used for SP */
1096			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1097			    i, pri_set);
1098
1099			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1100			    i, pri_set);
1101			/* COS is used remove it from bitmap.*/
1102			cos_bit_to_set &= ~pri_bitmask;
1103			pri_set++;
1104		}
1105	}
1106
1107	if (pri_set != max_num_of_cos) {
1108		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1109				   "entries were set\n");
1110		return -EINVAL;
1111	}
1112
1113	if (port) {
1114		/* Only 6 usable clients*/
1115		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1116		       (u32)pri_cli_nig);
1117
1118		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1119	} else {
1120		/* Only 9 usable clients*/
1121		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1122		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1123
1124		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1125		       pri_cli_nig_lsb);
1126		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1127		       pri_cli_nig_msb);
1128
1129		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1130	}
1131	return 0;
1132}
1133
1134/******************************************************************************
1135* Description:
1136*	Configure the COS to ETS according to BW and SP settings.
1137******************************************************************************/
1138int bnx2x_ets_e3b0_config(const struct link_params *params,
1139			 const struct link_vars *vars,
1140			 struct bnx2x_ets_params *ets_params)
1141{
1142	struct bnx2x *bp = params->bp;
1143	int bnx2x_status = 0;
1144	const u8 port = params->port;
1145	u16 total_bw = 0;
1146	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1147	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1148	u8 cos_bw_bitmap = 0;
1149	u8 cos_sp_bitmap = 0;
1150	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1151	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1152		DCBX_E3B0_MAX_NUM_COS_PORT0;
1153	u8 cos_entry = 0;
1154
1155	if (!CHIP_IS_E3B0(bp)) {
1156		DP(NETIF_MSG_LINK,
1157		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1158		return -EINVAL;
1159	}
1160
1161	if ((ets_params->num_of_cos > max_num_of_cos)) {
1162		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1163				   "isn't supported\n");
1164		return -EINVAL;
1165	}
1166
1167	/* Prepare sp strict priority parameters*/
1168	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1169
1170	/* Prepare BW parameters*/
1171	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1172						   &total_bw);
1173	if (bnx2x_status) {
1174		DP(NETIF_MSG_LINK,
1175		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
1176		return -EINVAL;
1177	}
1178
1179	/* Upper bound is set according to current link speed (min_w_val
1180	 * should be the same for upper bound and COS credit val).
1181	 */
1182	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1183	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1184
1185
1186	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1187		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1188			cos_bw_bitmap |= (1 << cos_entry);
1189			/* The function also sets the BW in HW(not the mappin
1190			 * yet)
1191			 */
1192			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1193				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1194				total_bw,
1195				ets_params->cos[cos_entry].params.bw_params.bw,
1196				 port);
1197		} else if (bnx2x_cos_state_strict ==
1198			ets_params->cos[cos_entry].state){
1199			cos_sp_bitmap |= (1 << cos_entry);
1200
1201			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1202				params,
1203				sp_pri_to_cos,
1204				ets_params->cos[cos_entry].params.sp_params.pri,
1205				cos_entry);
1206
1207		} else {
1208			DP(NETIF_MSG_LINK,
1209			   "bnx2x_ets_e3b0_config cos state not valid\n");
1210			return -EINVAL;
1211		}
1212		if (bnx2x_status) {
1213			DP(NETIF_MSG_LINK,
1214			   "bnx2x_ets_e3b0_config set cos bw failed\n");
1215			return bnx2x_status;
1216		}
1217	}
1218
1219	/* Set SP register (which COS has higher priority) */
1220	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1221							 sp_pri_to_cos);
1222
1223	if (bnx2x_status) {
1224		DP(NETIF_MSG_LINK,
1225		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1226		return bnx2x_status;
1227	}
1228
1229	/* Set client mapping of BW and strict */
1230	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1231					      cos_sp_bitmap,
1232					      cos_bw_bitmap);
1233
1234	if (bnx2x_status) {
1235		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1236		return bnx2x_status;
1237	}
1238	return 0;
1239}
1240static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1241{
1242	/* ETS disabled configuration */
1243	struct bnx2x *bp = params->bp;
1244	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1245	/* Defines which entries (clients) are subjected to WFQ arbitration
1246	 * COS0 0x8
1247	 * COS1 0x10
1248	 */
1249	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1250	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1251	 * client numbers (WEIGHT_0 does not actually have to represent
1252	 * client 0)
1253	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1254	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1255	 */
1256	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1257
1258	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1259	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1260	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1261	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1262
1263	/* ETS mode enabled*/
1264	REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1265
1266	/* Defines the number of consecutive slots for the strict priority */
1267	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1268	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1269	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1270	 * entry, 4 - COS1 entry.
1271	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1272	 * bit4   bit3	  bit2     bit1	   bit0
1273	 * MCP and debug are strict
1274	 */
1275	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1276
1277	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1278	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1279	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1280	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1281	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1282}
1283
1284void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1285			const u32 cos1_bw)
1286{
1287	/* ETS disabled configuration*/
1288	struct bnx2x *bp = params->bp;
1289	const u32 total_bw = cos0_bw + cos1_bw;
1290	u32 cos0_credit_weight = 0;
1291	u32 cos1_credit_weight = 0;
1292
1293	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1294
1295	if ((!total_bw) ||
1296	    (!cos0_bw) ||
1297	    (!cos1_bw)) {
1298		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1299		return;
1300	}
1301
1302	cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1303		total_bw;
1304	cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1305		total_bw;
1306
1307	bnx2x_ets_bw_limit_common(params);
1308
1309	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1310	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1311
1312	REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1313	REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1314}
1315
1316int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1317{
1318	/* ETS disabled configuration*/
1319	struct bnx2x *bp = params->bp;
1320	u32 val	= 0;
1321
1322	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1323	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1324	 * as strict.  Bits 0,1,2 - debug and management entries,
1325	 * 3 - COS0 entry, 4 - COS1 entry.
1326	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1327	 *  bit4   bit3	  bit2      bit1     bit0
1328	 * MCP and debug are strict
1329	 */
1330	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1331	/* For strict priority entries defines the number of consecutive slots
1332	 * for the highest priority.
1333	 */
1334	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1335	/* ETS mode disable */
1336	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1337	/* Defines the number of consecutive slots for the strict priority */
1338	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1339
1340	/* Defines the number of consecutive slots for the strict priority */
1341	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1342
1343	/* Mapping between entry  priority to client number (0,1,2 -debug and
1344	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1345	 * 3bits client num.
1346	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1347	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1348	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1349	 */
1350	val = (!strict_cos) ? 0x2318 : 0x22E0;
1351	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1352
1353	return 0;
1354}
1355
1356/******************************************************************/
1357/*			PFC section				  */
1358/******************************************************************/
1359static void bnx2x_update_pfc_xmac(struct link_params *params,
1360				  struct link_vars *vars,
1361				  u8 is_lb)
1362{
1363	struct bnx2x *bp = params->bp;
1364	u32 xmac_base;
1365	u32 pause_val, pfc0_val, pfc1_val;
1366
1367	/* XMAC base adrr */
1368	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1369
1370	/* Initialize pause and pfc registers */
1371	pause_val = 0x18000;
1372	pfc0_val = 0xFFFF8000;
1373	pfc1_val = 0x2;
1374
1375	/* No PFC support */
1376	if (!(params->feature_config_flags &
1377	      FEATURE_CONFIG_PFC_ENABLED)) {
1378
1379		/* RX flow control - Process pause frame in receive direction
1380		 */
1381		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1382			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1383
1384		/* TX flow control - Send pause packet when buffer is full */
1385		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1386			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1387	} else {/* PFC support */
1388		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1389			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1390			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1391			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1392			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1393		/* Write pause and PFC registers */
1394		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1395		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1396		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1397		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1398
1399	}
1400
1401	/* Write pause and PFC registers */
1402	REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1403	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1404	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1405
1406
1407	/* Set MAC address for source TX Pause/PFC frames */
1408	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1409	       ((params->mac_addr[2] << 24) |
1410		(params->mac_addr[3] << 16) |
1411		(params->mac_addr[4] << 8) |
1412		(params->mac_addr[5])));
1413	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1414	       ((params->mac_addr[0] << 8) |
1415		(params->mac_addr[1])));
1416
1417	udelay(30);
1418}
1419
1420/******************************************************************/
1421/*			MAC/PBF section				  */
1422/******************************************************************/
1423static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1424			       u32 emac_base)
1425{
1426	u32 new_mode, cur_mode;
1427	u32 clc_cnt;
1428	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1429	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1430	 */
1431	cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1432
1433	if (USES_WARPCORE(bp))
1434		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1435	else
1436		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1437
1438	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1439	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1440		return;
1441
1442	new_mode = cur_mode &
1443		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1444	new_mode |= clc_cnt;
1445	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1446
1447	DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1448	   cur_mode, new_mode);
1449	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1450	udelay(40);
1451}
1452
1453static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1454					struct link_params *params)
1455{
1456	u8 phy_index;
1457	/* Set mdio clock per phy */
1458	for (phy_index = INT_PHY; phy_index < params->num_phys;
1459	      phy_index++)
1460		bnx2x_set_mdio_clk(bp, params->chip_id,
1461				   params->phy[phy_index].mdio_ctrl);
1462}
1463
1464static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1465{
1466	u32 port4mode_ovwr_val;
1467	/* Check 4-port override enabled */
1468	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1469	if (port4mode_ovwr_val & (1<<0)) {
1470		/* Return 4-port mode override value */
1471		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1472	}
1473	/* Return 4-port mode from input pin */
1474	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1475}
1476
1477static void bnx2x_emac_init(struct link_params *params,
1478			    struct link_vars *vars)
1479{
1480	/* reset and unreset the emac core */
1481	struct bnx2x *bp = params->bp;
1482	u8 port = params->port;
1483	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1484	u32 val;
1485	u16 timeout;
1486
1487	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1488	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1489	udelay(5);
1490	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1491	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1492
1493	/* init emac - use read-modify-write */
1494	/* self clear reset */
1495	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1496	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1497
1498	timeout = 200;
1499	do {
1500		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1501		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1502		if (!timeout) {
1503			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1504			return;
1505		}
1506		timeout--;
1507	} while (val & EMAC_MODE_RESET);
1508
1509	bnx2x_set_mdio_emac_per_phy(bp, params);
1510	/* Set mac address */
1511	val = ((params->mac_addr[0] << 8) |
1512		params->mac_addr[1]);
1513	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1514
1515	val = ((params->mac_addr[2] << 24) |
1516	       (params->mac_addr[3] << 16) |
1517	       (params->mac_addr[4] << 8) |
1518		params->mac_addr[5]);
1519	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1520}
1521
1522static void bnx2x_set_xumac_nig(struct link_params *params,
1523				u16 tx_pause_en,
1524				u8 enable)
1525{
1526	struct bnx2x *bp = params->bp;
1527
1528	REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1529	       enable);
1530	REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1531	       enable);
1532	REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1533	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1534}
1535
1536static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1537{
1538	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1539	u32 val;
1540	struct bnx2x *bp = params->bp;
1541	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1542		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1543		return;
1544	val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1545	if (en)
1546		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1547			UMAC_COMMAND_CONFIG_REG_RX_ENA);
1548	else
1549		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1550			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1551	/* Disable RX and TX */
1552	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1553}
1554
1555static void bnx2x_umac_enable(struct link_params *params,
1556			    struct link_vars *vars, u8 lb)
1557{
1558	u32 val;
1559	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1560	struct bnx2x *bp = params->bp;
1561	/* Reset UMAC */
1562	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1563	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1564	usleep_range(1000, 2000);
1565
1566	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1567	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1568
1569	DP(NETIF_MSG_LINK, "enabling UMAC\n");
1570
1571	/* This register opens the gate for the UMAC despite its name */
1572	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1573
1574	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1575		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1576		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1577		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1578	switch (vars->line_speed) {
1579	case SPEED_10:
1580		val |= (0<<2);
1581		break;
1582	case SPEED_100:
1583		val |= (1<<2);
1584		break;
1585	case SPEED_1000:
1586		val |= (2<<2);
1587		break;
1588	case SPEED_2500:
1589		val |= (3<<2);
1590		break;
1591	default:
1592		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1593			       vars->line_speed);
1594		break;
1595	}
1596	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1597		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1598
1599	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1600		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1601
1602	if (vars->duplex == DUPLEX_HALF)
1603		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1604
1605	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1606	udelay(50);
1607
1608	/* Configure UMAC for EEE */
1609	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1610		DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1611		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1612		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1613		REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1614	} else {
1615		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1616	}
1617
1618	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1619	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1620	       ((params->mac_addr[2] << 24) |
1621		(params->mac_addr[3] << 16) |
1622		(params->mac_addr[4] << 8) |
1623		(params->mac_addr[5])));
1624	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1625	       ((params->mac_addr[0] << 8) |
1626		(params->mac_addr[1])));
1627
1628	/* Enable RX and TX */
1629	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1630	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1631		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1632	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1633	udelay(50);
1634
1635	/* Remove SW Reset */
1636	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1637
1638	/* Check loopback mode */
1639	if (lb)
1640		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1641	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1642
1643	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1644	 * length used by the MAC receive logic to check frames.
1645	 */
1646	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1647	bnx2x_set_xumac_nig(params,
1648			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1649	vars->mac_type = MAC_TYPE_UMAC;
1650
1651}
1652
1653/* Define the XMAC mode */
1654static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1655{
1656	struct bnx2x *bp = params->bp;
1657	u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1658
1659	/* In 4-port mode, need to set the mode only once, so if XMAC is
1660	 * already out of reset, it means the mode has already been set,
1661	 * and it must not* reset the XMAC again, since it controls both
1662	 * ports of the path
1663	 */
1664
1665	if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1666	     (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1667	     (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1668	    is_port4mode &&
1669	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1670	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1671		DP(NETIF_MSG_LINK,
1672		   "XMAC already out of reset in 4-port mode\n");
1673		return;
1674	}
1675
1676	/* Hard reset */
1677	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1678	       MISC_REGISTERS_RESET_REG_2_XMAC);
1679	usleep_range(1000, 2000);
1680
1681	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1682	       MISC_REGISTERS_RESET_REG_2_XMAC);
1683	if (is_port4mode) {
1684		DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1685
1686		/* Set the number of ports on the system side to up to 2 */
1687		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1688
1689		/* Set the number of ports on the Warp Core to 10G */
1690		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1691	} else {
1692		/* Set the number of ports on the system side to 1 */
1693		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1694		if (max_speed == SPEED_10000) {
1695			DP(NETIF_MSG_LINK,
1696			   "Init XMAC to 10G x 1 port per path\n");
1697			/* Set the number of ports on the Warp Core to 10G */
1698			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1699		} else {
1700			DP(NETIF_MSG_LINK,
1701			   "Init XMAC to 20G x 2 ports per path\n");
1702			/* Set the number of ports on the Warp Core to 20G */
1703			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1704		}
1705	}
1706	/* Soft reset */
1707	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1708	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1709	usleep_range(1000, 2000);
1710
1711	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1712	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1713
1714}
1715
1716static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1717{
1718	u8 port = params->port;
1719	struct bnx2x *bp = params->bp;
1720	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1721	u32 val;
1722
1723	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1724	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1725		/* Send an indication to change the state in the NIG back to XON
1726		 * Clearing this bit enables the next set of this bit to get
1727		 * rising edge
1728		 */
1729		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1730		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1731		       (pfc_ctrl & ~(1<<1)));
1732		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1733		       (pfc_ctrl | (1<<1)));
1734		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1735		val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1736		if (en)
1737			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1738		else
1739			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1740		REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1741	}
1742}
1743
1744static int bnx2x_xmac_enable(struct link_params *params,
1745			     struct link_vars *vars, u8 lb)
1746{
1747	u32 val, xmac_base;
1748	struct bnx2x *bp = params->bp;
1749	DP(NETIF_MSG_LINK, "enabling XMAC\n");
1750
1751	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1752
1753	bnx2x_xmac_init(params, vars->line_speed);
1754
1755	/* This register determines on which events the MAC will assert
1756	 * error on the i/f to the NIG along w/ EOP.
1757	 */
1758
1759	/* This register tells the NIG whether to send traffic to UMAC
1760	 * or XMAC
1761	 */
1762	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1763
1764	/* When XMAC is in XLGMII mode, disable sending idles for fault
1765	 * detection.
1766	 */
1767	if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1768		REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1769		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1770			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1771		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1772		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1773		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1774		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1775	}
1776	/* Set Max packet size */
1777	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1778
1779	/* CRC append for Tx packets */
1780	REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1781
1782	/* update PFC */
1783	bnx2x_update_pfc_xmac(params, vars, 0);
1784
1785	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1786		DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1787		REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1788		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1789	} else {
1790		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1791	}
1792
1793	/* Enable TX and RX */
1794	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1795
1796	/* Set MAC in XLGMII mode for dual-mode */
1797	if ((vars->line_speed == SPEED_20000) &&
1798	    (params->phy[INT_PHY].supported &
1799	     SUPPORTED_20000baseKR2_Full))
1800		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1801
1802	/* Check loopback mode */
1803	if (lb)
1804		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1805	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1806	bnx2x_set_xumac_nig(params,
1807			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1808
1809	vars->mac_type = MAC_TYPE_XMAC;
1810
1811	return 0;
1812}
1813
1814static int bnx2x_emac_enable(struct link_params *params,
1815			     struct link_vars *vars, u8 lb)
1816{
1817	struct bnx2x *bp = params->bp;
1818	u8 port = params->port;
1819	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1820	u32 val;
1821
1822	DP(NETIF_MSG_LINK, "enabling EMAC\n");
1823
1824	/* Disable BMAC */
1825	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1826	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1827
1828	/* enable emac and not bmac */
1829	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1830
1831	/* ASIC */
1832	if (vars->phy_flags & PHY_XGXS_FLAG) {
1833		u32 ser_lane = ((params->lane_config &
1834				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1835				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1836
1837		DP(NETIF_MSG_LINK, "XGXS\n");
1838		/* select the master lanes (out of 0-3) */
1839		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1840		/* select XGXS */
1841		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1842
1843	} else { /* SerDes */
1844		DP(NETIF_MSG_LINK, "SerDes\n");
1845		/* select SerDes */
1846		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1847	}
1848
1849	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1850		      EMAC_RX_MODE_RESET);
1851	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1852		      EMAC_TX_MODE_RESET);
1853
1854		/* pause enable/disable */
1855		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1856			       EMAC_RX_MODE_FLOW_EN);
1857
1858		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1859			       (EMAC_TX_MODE_EXT_PAUSE_EN |
1860				EMAC_TX_MODE_FLOW_EN));
1861		if (!(params->feature_config_flags &
1862		      FEATURE_CONFIG_PFC_ENABLED)) {
1863			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1864				bnx2x_bits_en(bp, emac_base +
1865					      EMAC_REG_EMAC_RX_MODE,
1866					      EMAC_RX_MODE_FLOW_EN);
1867
1868			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1869				bnx2x_bits_en(bp, emac_base +
1870					      EMAC_REG_EMAC_TX_MODE,
1871					      (EMAC_TX_MODE_EXT_PAUSE_EN |
1872					       EMAC_TX_MODE_FLOW_EN));
1873		} else
1874			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1875				      EMAC_TX_MODE_FLOW_EN);
1876
1877	/* KEEP_VLAN_TAG, promiscuous */
1878	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1879	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1880
1881	/* Setting this bit causes MAC control frames (except for pause
1882	 * frames) to be passed on for processing. This setting has no
1883	 * affect on the operation of the pause frames. This bit effects
1884	 * all packets regardless of RX Parser packet sorting logic.
1885	 * Turn the PFC off to make sure we are in Xon state before
1886	 * enabling it.
1887	 */
1888	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1889	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1890		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1891		/* Enable PFC again */
1892		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1893			EMAC_REG_RX_PFC_MODE_RX_EN |
1894			EMAC_REG_RX_PFC_MODE_TX_EN |
1895			EMAC_REG_RX_PFC_MODE_PRIORITIES);
1896
1897		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1898			((0x0101 <<
1899			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1900			 (0x00ff <<
1901			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1902		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1903	}
1904	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1905
1906	/* Set Loopback */
1907	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1908	if (lb)
1909		val |= 0x810;
1910	else
1911		val &= ~0x810;
1912	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1913
1914	/* Enable emac */
1915	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1916
1917	/* Enable emac for jumbo packets */
1918	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1919		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
1920		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1921
1922	/* Strip CRC */
1923	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1924
1925	/* Disable the NIG in/out to the bmac */
1926	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1927	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1928	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1929
1930	/* Enable the NIG in/out to the emac */
1931	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1932	val = 0;
1933	if ((params->feature_config_flags &
1934	      FEATURE_CONFIG_PFC_ENABLED) ||
1935	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1936		val = 1;
1937
1938	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1939	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1940
1941	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1942
1943	vars->mac_type = MAC_TYPE_EMAC;
1944	return 0;
1945}
1946
1947static void bnx2x_update_pfc_bmac1(struct link_params *params,
1948				   struct link_vars *vars)
1949{
1950	u32 wb_data[2];
1951	struct bnx2x *bp = params->bp;
1952	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1953		NIG_REG_INGRESS_BMAC0_MEM;
1954
1955	u32 val = 0x14;
1956	if ((!(params->feature_config_flags &
1957	      FEATURE_CONFIG_PFC_ENABLED)) &&
1958		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1959		/* Enable BigMAC to react on received Pause packets */
1960		val |= (1<<5);
1961	wb_data[0] = val;
1962	wb_data[1] = 0;
1963	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1964
1965	/* TX control */
1966	val = 0xc0;
1967	if (!(params->feature_config_flags &
1968	      FEATURE_CONFIG_PFC_ENABLED) &&
1969		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1970		val |= 0x800000;
1971	wb_data[0] = val;
1972	wb_data[1] = 0;
1973	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1974}
1975
1976static void bnx2x_update_pfc_bmac2(struct link_params *params,
1977				   struct link_vars *vars,
1978				   u8 is_lb)
1979{
1980	/* Set rx control: Strip CRC and enable BigMAC to relay
1981	 * control packets to the system as well
1982	 */
1983	u32 wb_data[2];
1984	struct bnx2x *bp = params->bp;
1985	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1986		NIG_REG_INGRESS_BMAC0_MEM;
1987	u32 val = 0x14;
1988
1989	if ((!(params->feature_config_flags &
1990	      FEATURE_CONFIG_PFC_ENABLED)) &&
1991		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1992		/* Enable BigMAC to react on received Pause packets */
1993		val |= (1<<5);
1994	wb_data[0] = val;
1995	wb_data[1] = 0;
1996	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1997	udelay(30);
1998
1999	/* Tx control */
2000	val = 0xc0;
2001	if (!(params->feature_config_flags &
2002				FEATURE_CONFIG_PFC_ENABLED) &&
2003	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2004		val |= 0x800000;
2005	wb_data[0] = val;
2006	wb_data[1] = 0;
2007	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2008
2009	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2010		DP(NETIF_MSG_LINK, "PFC is enabled\n");
2011		/* Enable PFC RX & TX & STATS and set 8 COS  */
2012		wb_data[0] = 0x0;
2013		wb_data[0] |= (1<<0);  /* RX */
2014		wb_data[0] |= (1<<1);  /* TX */
2015		wb_data[0] |= (1<<2);  /* Force initial Xon */
2016		wb_data[0] |= (1<<3);  /* 8 cos */
2017		wb_data[0] |= (1<<5);  /* STATS */
2018		wb_data[1] = 0;
2019		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2020			    wb_data, 2);
2021		/* Clear the force Xon */
2022		wb_data[0] &= ~(1<<2);
2023	} else {
2024		DP(NETIF_MSG_LINK, "PFC is disabled\n");
2025		/* Disable PFC RX & TX & STATS and set 8 COS */
2026		wb_data[0] = 0x8;
2027		wb_data[1] = 0;
2028	}
2029
2030	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2031
2032	/* Set Time (based unit is 512 bit time) between automatic
2033	 * re-sending of PP packets amd enable automatic re-send of
2034	 * Per-Priroity Packet as long as pp_gen is asserted and
2035	 * pp_disable is low.
2036	 */
2037	val = 0x8000;
2038	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2039		val |= (1<<16); /* enable automatic re-send */
2040
2041	wb_data[0] = val;
2042	wb_data[1] = 0;
2043	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2044		    wb_data, 2);
2045
2046	/* mac control */
2047	val = 0x3; /* Enable RX and TX */
2048	if (is_lb) {
2049		val |= 0x4; /* Local loopback */
2050		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2051	}
2052	/* When PFC enabled, Pass pause frames towards the NIG. */
2053	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2054		val |= ((1<<6)|(1<<5));
2055
2056	wb_data[0] = val;
2057	wb_data[1] = 0;
2058	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2059}
2060
2061/******************************************************************************
2062* Description:
2063*  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2064*  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2065******************************************************************************/
2066static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2067					   u8 cos_entry,
2068					   u32 priority_mask, u8 port)
2069{
2070	u32 nig_reg_rx_priority_mask_add = 0;
2071
2072	switch (cos_entry) {
2073	case 0:
2074	     nig_reg_rx_priority_mask_add = (port) ?
2075		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2076		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2077	     break;
2078	case 1:
2079	    nig_reg_rx_priority_mask_add = (port) ?
2080		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2081		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2082	    break;
2083	case 2:
2084	    nig_reg_rx_priority_mask_add = (port) ?
2085		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2086		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2087	    break;
2088	case 3:
2089	    if (port)
2090		return -EINVAL;
2091	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2092	    break;
2093	case 4:
2094	    if (port)
2095		return -EINVAL;
2096	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2097	    break;
2098	case 5:
2099	    if (port)
2100		return -EINVAL;
2101	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2102	    break;
2103	}
2104
2105	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2106
2107	return 0;
2108}
2109static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2110{
2111	struct bnx2x *bp = params->bp;
2112
2113	REG_WR(bp, params->shmem_base +
2114	       offsetof(struct shmem_region,
2115			port_mb[params->port].link_status), link_status);
2116}
2117
2118static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2119{
2120	struct bnx2x *bp = params->bp;
2121
2122	if (SHMEM2_HAS(bp, link_attr_sync))
2123		REG_WR(bp, params->shmem2_base +
2124		       offsetof(struct shmem2_region,
2125				link_attr_sync[params->port]), link_attr);
2126}
2127
2128static void bnx2x_update_pfc_nig(struct link_params *params,
2129		struct link_vars *vars,
2130		struct bnx2x_nig_brb_pfc_port_params *nig_params)
2131{
2132	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2133	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2134	u32 pkt_priority_to_cos = 0;
2135	struct bnx2x *bp = params->bp;
2136	u8 port = params->port;
2137
2138	int set_pfc = params->feature_config_flags &
2139		FEATURE_CONFIG_PFC_ENABLED;
2140	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2141
2142	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2143	 * MAC control frames (that are not pause packets)
2144	 * will be forwarded to the XCM.
2145	 */
2146	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2147			  NIG_REG_LLH0_XCM_MASK);
2148	/* NIG params will override non PFC params, since it's possible to
2149	 * do transition from PFC to SAFC
2150	 */
2151	if (set_pfc) {
2152		pause_enable = 0;
2153		llfc_out_en = 0;
2154		llfc_enable = 0;
2155		if (CHIP_IS_E3(bp))
2156			ppp_enable = 0;
2157		else
2158			ppp_enable = 1;
2159		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2160				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2161		xcm_out_en = 0;
2162		hwpfc_enable = 1;
2163	} else  {
2164		if (nig_params) {
2165			llfc_out_en = nig_params->llfc_out_en;
2166			llfc_enable = nig_params->llfc_enable;
2167			pause_enable = nig_params->pause_enable;
2168		} else  /* Default non PFC mode - PAUSE */
2169			pause_enable = 1;
2170
2171		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2172			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2173		xcm_out_en = 1;
2174	}
2175
2176	if (CHIP_IS_E3(bp))
2177		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2178		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2179	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2180	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2181	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2182	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2183	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2184	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2185
2186	REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2187	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2188
2189	REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2190	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2191
2192	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2193	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2194
2195	/* Output enable for RX_XCM # IF */
2196	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2197	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2198
2199	/* HW PFC TX enable */
2200	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2201	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2202
2203	if (nig_params) {
2204		u8 i = 0;
2205		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2206
2207		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2208			bnx2x_pfc_nig_rx_priority_mask(bp, i,
2209		nig_params->rx_cos_priority_mask[i], port);
2210
2211		REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2212		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2213		       nig_params->llfc_high_priority_classes);
2214
2215		REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2216		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2217		       nig_params->llfc_low_priority_classes);
2218	}
2219	REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2220	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2221	       pkt_priority_to_cos);
2222}
2223
2224int bnx2x_update_pfc(struct link_params *params,
2225		      struct link_vars *vars,
2226		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2227{
2228	/* The PFC and pause are orthogonal to one another, meaning when
2229	 * PFC is enabled, the pause are disabled, and when PFC is
2230	 * disabled, pause are set according to the pause result.
2231	 */
2232	u32 val;
2233	struct bnx2x *bp = params->bp;
2234	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2235
2236	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2237		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2238	else
2239		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2240
2241	bnx2x_update_mng(params, vars->link_status);
2242
2243	/* Update NIG params */
2244	bnx2x_update_pfc_nig(params, vars, pfc_params);
2245
2246	if (!vars->link_up)
2247		return 0;
2248
2249	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2250
2251	if (CHIP_IS_E3(bp)) {
2252		if (vars->mac_type == MAC_TYPE_XMAC)
2253			bnx2x_update_pfc_xmac(params, vars, 0);
2254	} else {
2255		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2256		if ((val &
2257		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2258		    == 0) {
2259			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2260			bnx2x_emac_enable(params, vars, 0);
2261			return 0;
2262		}
2263		if (CHIP_IS_E2(bp))
2264			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2265		else
2266			bnx2x_update_pfc_bmac1(params, vars);
2267
2268		val = 0;
2269		if ((params->feature_config_flags &
2270		     FEATURE_CONFIG_PFC_ENABLED) ||
2271		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2272			val = 1;
2273		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2274	}
2275	return 0;
2276}
2277
2278static int bnx2x_bmac1_enable(struct link_params *params,
2279			      struct link_vars *vars,
2280			      u8 is_lb)
2281{
2282	struct bnx2x *bp = params->bp;
2283	u8 port = params->port;
2284	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2285			       NIG_REG_INGRESS_BMAC0_MEM;
2286	u32 wb_data[2];
2287	u32 val;
2288
2289	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2290
2291	/* XGXS control */
2292	wb_data[0] = 0x3c;
2293	wb_data[1] = 0;
2294	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2295		    wb_data, 2);
2296
2297	/* TX MAC SA */
2298	wb_data[0] = ((params->mac_addr[2] << 24) |
2299		       (params->mac_addr[3] << 16) |
2300		       (params->mac_addr[4] << 8) |
2301			params->mac_addr[5]);
2302	wb_data[1] = ((params->mac_addr[0] << 8) |
2303			params->mac_addr[1]);
2304	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2305
2306	/* MAC control */
2307	val = 0x3;
2308	if (is_lb) {
2309		val |= 0x4;
2310		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2311	}
2312	wb_data[0] = val;
2313	wb_data[1] = 0;
2314	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2315
2316	/* Set rx mtu */
2317	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2318	wb_data[1] = 0;
2319	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2320
2321	bnx2x_update_pfc_bmac1(params, vars);
2322
2323	/* Set tx mtu */
2324	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2325	wb_data[1] = 0;
2326	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2327
2328	/* Set cnt max size */
2329	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2330	wb_data[1] = 0;
2331	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2332
2333	/* Configure SAFC */
2334	wb_data[0] = 0x1000200;
2335	wb_data[1] = 0;
2336	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2337		    wb_data, 2);
2338
2339	return 0;
2340}
2341
2342static int bnx2x_bmac2_enable(struct link_params *params,
2343			      struct link_vars *vars,
2344			      u8 is_lb)
2345{
2346	struct bnx2x *bp = params->bp;
2347	u8 port = params->port;
2348	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2349			       NIG_REG_INGRESS_BMAC0_MEM;
2350	u32 wb_data[2];
2351
2352	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2353
2354	wb_data[0] = 0;
2355	wb_data[1] = 0;
2356	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2357	udelay(30);
2358
2359	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2360	wb_data[0] = 0x3c;
2361	wb_data[1] = 0;
2362	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2363		    wb_data, 2);
2364
2365	udelay(30);
2366
2367	/* TX MAC SA */
2368	wb_data[0] = ((params->mac_addr[2] << 24) |
2369		       (params->mac_addr[3] << 16) |
2370		       (params->mac_addr[4] << 8) |
2371			params->mac_addr[5]);
2372	wb_data[1] = ((params->mac_addr[0] << 8) |
2373			params->mac_addr[1]);
2374	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2375		    wb_data, 2);
2376
2377	udelay(30);
2378
2379	/* Configure SAFC */
2380	wb_data[0] = 0x1000200;
2381	wb_data[1] = 0;
2382	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2383		    wb_data, 2);
2384	udelay(30);
2385
2386	/* Set RX MTU */
2387	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2388	wb_data[1] = 0;
2389	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2390	udelay(30);
2391
2392	/* Set TX MTU */
2393	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2394	wb_data[1] = 0;
2395	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2396	udelay(30);
2397	/* Set cnt max size */
2398	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2399	wb_data[1] = 0;
2400	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2401	udelay(30);
2402	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2403
2404	return 0;
2405}
2406
2407static int bnx2x_bmac_enable(struct link_params *params,
2408			     struct link_vars *vars,
2409			     u8 is_lb, u8 reset_bmac)
2410{
2411	int rc = 0;
2412	u8 port = params->port;
2413	struct bnx2x *bp = params->bp;
2414	u32 val;
2415	/* Reset and unreset the BigMac */
2416	if (reset_bmac) {
2417		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2418		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2419		usleep_range(1000, 2000);
2420	}
2421
2422	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2423	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2424
2425	/* Enable access for bmac registers */
2426	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2427
2428	/* Enable BMAC according to BMAC type*/
2429	if (CHIP_IS_E2(bp))
2430		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2431	else
2432		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2433	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2434	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2435	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2436	val = 0;
2437	if ((params->feature_config_flags &
2438	      FEATURE_CONFIG_PFC_ENABLED) ||
2439	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2440		val = 1;
2441	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2442	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2443	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2444	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2445	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2446	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2447
2448	vars->mac_type = MAC_TYPE_BMAC;
2449	return rc;
2450}
2451
2452static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2453{
2454	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2455			NIG_REG_INGRESS_BMAC0_MEM;
2456	u32 wb_data[2];
2457	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2458
2459	if (CHIP_IS_E2(bp))
2460		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2461	else
2462		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2463	/* Only if the bmac is out of reset */
2464	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2465			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2466	    nig_bmac_enable) {
2467		/* Clear Rx Enable bit in BMAC_CONTROL register */
2468		REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2469		if (en)
2470			wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2471		else
2472			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2473		REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2474		usleep_range(1000, 2000);
2475	}
2476}
2477
2478static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2479			    u32 line_speed)
2480{
2481	struct bnx2x *bp = params->bp;
2482	u8 port = params->port;
2483	u32 init_crd, crd;
2484	u32 count = 1000;
2485
2486	/* Disable port */
2487	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2488
2489	/* Wait for init credit */
2490	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2491	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2492	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2493
2494	while ((init_crd != crd) && count) {
2495		usleep_range(5000, 10000);
2496		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2497		count--;
2498	}
2499	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2500	if (init_crd != crd) {
2501		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2502			  init_crd, crd);
2503		return -EINVAL;
2504	}
2505
2506	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2507	    line_speed == SPEED_10 ||
2508	    line_speed == SPEED_100 ||
2509	    line_speed == SPEED_1000 ||
2510	    line_speed == SPEED_2500) {
2511		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2512		/* Update threshold */
2513		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2514		/* Update init credit */
2515		init_crd = 778;		/* (800-18-4) */
2516
2517	} else {
2518		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2519			      ETH_OVREHEAD)/16;
2520		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2521		/* Update threshold */
2522		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2523		/* Update init credit */
2524		switch (line_speed) {
2525		case SPEED_10000:
2526			init_crd = thresh + 553 - 22;
2527			break;
2528		default:
2529			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2530				  line_speed);
2531			return -EINVAL;
2532		}
2533	}
2534	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2535	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2536		 line_speed, init_crd);
2537
2538	/* Probe the credit changes */
2539	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2540	usleep_range(5000, 10000);
2541	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2542
2543	/* Enable port */
2544	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2545	return 0;
2546}
2547
2548/**
2549 * bnx2x_get_emac_base - retrive emac base address
2550 *
2551 * @bp:			driver handle
2552 * @mdc_mdio_access:	access type
2553 * @port:		port id
2554 *
2555 * This function selects the MDC/MDIO access (through emac0 or
2556 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2557 * phy has a default access mode, which could also be overridden
2558 * by nvram configuration. This parameter, whether this is the
2559 * default phy configuration, or the nvram overrun
2560 * configuration, is passed here as mdc_mdio_access and selects
2561 * the emac_base for the CL45 read/writes operations
2562 */
2563static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2564			       u32 mdc_mdio_access, u8 port)
2565{
2566	u32 emac_base = 0;
2567	switch (mdc_mdio_access) {
2568	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2569		break;
2570	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2571		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2572			emac_base = GRCBASE_EMAC1;
2573		else
2574			emac_base = GRCBASE_EMAC0;
2575		break;
2576	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2577		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2578			emac_base = GRCBASE_EMAC0;
2579		else
2580			emac_base = GRCBASE_EMAC1;
2581		break;
2582	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2583		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2584		break;
2585	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2586		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2587		break;
2588	default:
2589		break;
2590	}
2591	return emac_base;
2592
2593}
2594
2595/******************************************************************/
2596/*			CL22 access functions			  */
2597/******************************************************************/
2598static int bnx2x_cl22_write(struct bnx2x *bp,
2599				       struct bnx2x_phy *phy,
2600				       u16 reg, u16 val)
2601{
2602	u32 tmp, mode;
2603	u8 i;
2604	int rc = 0;
2605	/* Switch to CL22 */
2606	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2607	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2608	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2609
2610	/* Address */
2611	tmp = ((phy->addr << 21) | (reg << 16) | val |
2612	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2613	       EMAC_MDIO_COMM_START_BUSY);
2614	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2615
2616	for (i = 0; i < 50; i++) {
2617		udelay(10);
2618
2619		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2620		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2621			udelay(5);
2622			break;
2623		}
2624	}
2625	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2626		DP(NETIF_MSG_LINK, "write phy register failed\n");
2627		rc = -EFAULT;
2628	}
2629	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2630	return rc;
2631}
2632
2633static int bnx2x_cl22_read(struct bnx2x *bp,
2634				      struct bnx2x_phy *phy,
2635				      u16 reg, u16 *ret_val)
2636{
2637	u32 val, mode;
2638	u16 i;
2639	int rc = 0;
2640
2641	/* Switch to CL22 */
2642	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2643	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2644	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2645
2646	/* Address */
2647	val = ((phy->addr << 21) | (reg << 16) |
2648	       EMAC_MDIO_COMM_COMMAND_READ_22 |
2649	       EMAC_MDIO_COMM_START_BUSY);
2650	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2651
2652	for (i = 0; i < 50; i++) {
2653		udelay(10);
2654
2655		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2656		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2657			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2658			udelay(5);
2659			break;
2660		}
2661	}
2662	if (val & EMAC_MDIO_COMM_START_BUSY) {
2663		DP(NETIF_MSG_LINK, "read phy register failed\n");
2664
2665		*ret_val = 0;
2666		rc = -EFAULT;
2667	}
2668	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2669	return rc;
2670}
2671
2672/******************************************************************/
2673/*			CL45 access functions			  */
2674/******************************************************************/
2675static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2676			   u8 devad, u16 reg, u16 *ret_val)
2677{
2678	u32 val;
2679	u16 i;
2680	int rc = 0;
2681	u32 chip_id;
2682	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2683		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2684			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2685		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2686	}
2687
2688	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2689		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2690			      EMAC_MDIO_STATUS_10MB);
2691	/* Address */
2692	val = ((phy->addr << 21) | (devad << 16) | reg |
2693	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2694	       EMAC_MDIO_COMM_START_BUSY);
2695	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2696
2697	for (i = 0; i < 50; i++) {
2698		udelay(10);
2699
2700		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2701		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2702			udelay(5);
2703			break;
2704		}
2705	}
2706	if (val & EMAC_MDIO_COMM_START_BUSY) {
2707		DP(NETIF_MSG_LINK, "read phy register failed\n");
2708		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2709		*ret_val = 0;
2710		rc = -EFAULT;
2711	} else {
2712		/* Data */
2713		val = ((phy->addr << 21) | (devad << 16) |
2714		       EMAC_MDIO_COMM_COMMAND_READ_45 |
2715		       EMAC_MDIO_COMM_START_BUSY);
2716		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2717
2718		for (i = 0; i < 50; i++) {
2719			udelay(10);
2720
2721			val = REG_RD(bp, phy->mdio_ctrl +
2722				     EMAC_REG_EMAC_MDIO_COMM);
2723			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2724				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2725				break;
2726			}
2727		}
2728		if (val & EMAC_MDIO_COMM_START_BUSY) {
2729			DP(NETIF_MSG_LINK, "read phy register failed\n");
2730			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2731			*ret_val = 0;
2732			rc = -EFAULT;
2733		}
2734	}
2735	/* Work around for E3 A0 */
2736	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2737		phy->flags ^= FLAGS_DUMMY_READ;
2738		if (phy->flags & FLAGS_DUMMY_READ) {
2739			u16 temp_val;
2740			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2741		}
2742	}
2743
2744	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2745		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2746			       EMAC_MDIO_STATUS_10MB);
2747	return rc;
2748}
2749
2750static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2751			    u8 devad, u16 reg, u16 val)
2752{
2753	u32 tmp;
2754	u8 i;
2755	int rc = 0;
2756	u32 chip_id;
2757	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2758		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2759			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2760		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2761	}
2762
2763	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2764		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2765			      EMAC_MDIO_STATUS_10MB);
2766
2767	/* Address */
2768	tmp = ((phy->addr << 21) | (devad << 16) | reg |
2769	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2770	       EMAC_MDIO_COMM_START_BUSY);
2771	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2772
2773	for (i = 0; i < 50; i++) {
2774		udelay(10);
2775
2776		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2777		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2778			udelay(5);
2779			break;
2780		}
2781	}
2782	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2783		DP(NETIF_MSG_LINK, "write phy register failed\n");
2784		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2785		rc = -EFAULT;
2786	} else {
2787		/* Data */
2788		tmp = ((phy->addr << 21) | (devad << 16) | val |
2789		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2790		       EMAC_MDIO_COMM_START_BUSY);
2791		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2792
2793		for (i = 0; i < 50; i++) {
2794			udelay(10);
2795
2796			tmp = REG_RD(bp, phy->mdio_ctrl +
2797				     EMAC_REG_EMAC_MDIO_COMM);
2798			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2799				udelay(5);
2800				break;
2801			}
2802		}
2803		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2804			DP(NETIF_MSG_LINK, "write phy register failed\n");
2805			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2806			rc = -EFAULT;
2807		}
2808	}
2809	/* Work around for E3 A0 */
2810	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2811		phy->flags ^= FLAGS_DUMMY_READ;
2812		if (phy->flags & FLAGS_DUMMY_READ) {
2813			u16 temp_val;
2814			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2815		}
2816	}
2817	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2818		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2819			       EMAC_MDIO_STATUS_10MB);
2820	return rc;
2821}
2822
2823/******************************************************************/
2824/*			EEE section				   */
2825/******************************************************************/
2826static u8 bnx2x_eee_has_cap(struct link_params *params)
2827{
2828	struct bnx2x *bp = params->bp;
2829
2830	if (REG_RD(bp, params->shmem2_base) <=
2831		   offsetof(struct shmem2_region, eee_status[params->port]))
2832		return 0;
2833
2834	return 1;
2835}
2836
2837static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2838{
2839	switch (nvram_mode) {
2840	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2841		*idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2842		break;
2843	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2844		*idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2845		break;
2846	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2847		*idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2848		break;
2849	default:
2850		*idle_timer = 0;
2851		break;
2852	}
2853
2854	return 0;
2855}
2856
2857static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2858{
2859	switch (idle_timer) {
2860	case EEE_MODE_NVRAM_BALANCED_TIME:
2861		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2862		break;
2863	case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2864		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2865		break;
2866	case EEE_MODE_NVRAM_LATENCY_TIME:
2867		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2868		break;
2869	default:
2870		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2871		break;
2872	}
2873
2874	return 0;
2875}
2876
2877static u32 bnx2x_eee_calc_timer(struct link_params *params)
2878{
2879	u32 eee_mode, eee_idle;
2880	struct bnx2x *bp = params->bp;
2881
2882	if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2883		if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2884			/* time value in eee_mode --> used directly*/
2885			eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2886		} else {
2887			/* hsi value in eee_mode --> time */
2888			if (bnx2x_eee_nvram_to_time(params->eee_mode &
2889						    EEE_MODE_NVRAM_MASK,
2890						    &eee_idle))
2891				return 0;
2892		}
2893	} else {
2894		/* hsi values in nvram --> time*/
2895		eee_mode = ((REG_RD(bp, params->shmem_base +
2896				    offsetof(struct shmem_region, dev_info.
2897				    port_feature_config[params->port].
2898				    eee_power_mode)) &
2899			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2900			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2901
2902		if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2903			return 0;
2904	}
2905
2906	return eee_idle;
2907}
2908
2909static int bnx2x_eee_set_timers(struct link_params *params,
2910				   struct link_vars *vars)
2911{
2912	u32 eee_idle = 0, eee_mode;
2913	struct bnx2x *bp = params->bp;
2914
2915	eee_idle = bnx2x_eee_calc_timer(params);
2916
2917	if (eee_idle) {
2918		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2919		       eee_idle);
2920	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2921		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2922		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2923		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2924		return -EINVAL;
2925	}
2926
2927	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2928	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2929		/* eee_idle in 1u --> eee_status in 16u */
2930		eee_idle >>= 4;
2931		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2932				    SHMEM_EEE_TIME_OUTPUT_BIT;
2933	} else {
2934		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2935			return -EINVAL;
2936		vars->eee_status |= eee_mode;
2937	}
2938
2939	return 0;
2940}
2941
2942static int bnx2x_eee_initial_config(struct link_params *params,
2943				     struct link_vars *vars, u8 mode)
2944{
2945	vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2946
2947	/* Propagate params' bits --> vars (for migration exposure) */
2948	if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2949		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2950	else
2951		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2952
2953	if (params->eee_mode & EEE_MODE_ADV_LPI)
2954		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2955	else
2956		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2957
2958	return bnx2x_eee_set_timers(params, vars);
2959}
2960
2961static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2962				struct link_params *params,
2963				struct link_vars *vars)
2964{
2965	struct bnx2x *bp = params->bp;
2966
2967	/* Make Certain LPI is disabled */
2968	REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2969
2970	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2971
2972	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2973
2974	return 0;
2975}
2976
2977static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2978				  struct link_params *params,
2979				  struct link_vars *vars, u8 modes)
2980{
2981	struct bnx2x *bp = params->bp;
2982	u16 val = 0;
2983
2984	/* Mask events preventing LPI generation */
2985	REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2986
2987	if (modes & SHMEM_EEE_10G_ADV) {
2988		DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2989		val |= 0x8;
2990	}
2991	if (modes & SHMEM_EEE_1G_ADV) {
2992		DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2993		val |= 0x4;
2994	}
2995
2996	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2997
2998	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2999	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3000
3001	return 0;
3002}
3003
3004static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3005{
3006	struct bnx2x *bp = params->bp;
3007
3008	if (bnx2x_eee_has_cap(params))
3009		REG_WR(bp, params->shmem2_base +
3010		       offsetof(struct shmem2_region,
3011				eee_status[params->port]), eee_status);
3012}
3013
3014static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3015				  struct link_params *params,
3016				  struct link_vars *vars)
3017{
3018	struct bnx2x *bp = params->bp;
3019	u16 adv = 0, lp = 0;
3020	u32 lp_adv = 0;
3021	u8 neg = 0;
3022
3023	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3024	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3025
3026	if (lp & 0x2) {
3027		lp_adv |= SHMEM_EEE_100M_ADV;
3028		if (adv & 0x2) {
3029			if (vars->line_speed == SPEED_100)
3030				neg = 1;
3031			DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3032		}
3033	}
3034	if (lp & 0x14) {
3035		lp_adv |= SHMEM_EEE_1G_ADV;
3036		if (adv & 0x14) {
3037			if (vars->line_speed == SPEED_1000)
3038				neg = 1;
3039			DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3040		}
3041	}
3042	if (lp & 0x68) {
3043		lp_adv |= SHMEM_EEE_10G_ADV;
3044		if (adv & 0x68) {
3045			if (vars->line_speed == SPEED_10000)
3046				neg = 1;
3047			DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3048		}
3049	}
3050
3051	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3052	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3053
3054	if (neg) {
3055		DP(NETIF_MSG_LINK, "EEE is active\n");
3056		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3057	}
3058
3059}
3060
3061/******************************************************************/
3062/*			BSC access functions from E3	          */
3063/******************************************************************/
3064static void bnx2x_bsc_module_sel(struct link_params *params)
3065{
3066	int idx;
3067	u32 board_cfg, sfp_ctrl;
3068	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3069	struct bnx2x *bp = params->bp;
3070	u8 port = params->port;
3071	/* Read I2C output PINs */
3072	board_cfg = REG_RD(bp, params->shmem_base +
3073			   offsetof(struct shmem_region,
3074				    dev_info.shared_hw_config.board));
3075	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3076	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3077			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3078
3079	/* Read I2C output value */
3080	sfp_ctrl = REG_RD(bp, params->shmem_base +
3081			  offsetof(struct shmem_region,
3082				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3083	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3084	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3085	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3086	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3087		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3088}
3089
3090static int bnx2x_bsc_read(struct link_params *params,
3091			  struct bnx2x *bp,
3092			  u8 sl_devid,
3093			  u16 sl_addr,
3094			  u8 lc_addr,
3095			  u8 xfer_cnt,
3096			  u32 *data_array)
3097{
3098	u32 val, i;
3099	int rc = 0;
3100
3101	if (xfer_cnt > 16) {
3102		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3103					xfer_cnt);
3104		return -EINVAL;
3105	}
3106	bnx2x_bsc_module_sel(params);
3107
3108	xfer_cnt = 16 - lc_addr;
3109
3110	/* Enable the engine */
3111	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3112	val |= MCPR_IMC_COMMAND_ENABLE;
3113	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3114
3115	/* Program slave device ID */
3116	val = (sl_devid << 16) | sl_addr;
3117	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3118
3119	/* Start xfer with 0 byte to update the address pointer ???*/
3120	val = (MCPR_IMC_COMMAND_ENABLE) |
3121	      (MCPR_IMC_COMMAND_WRITE_OP <<
3122		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3123		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3124	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3125
3126	/* Poll for completion */
3127	i = 0;
3128	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3129	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3130		udelay(10);
3131		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3132		if (i++ > 1000) {
3133			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3134								i);
3135			rc = -EFAULT;
3136			break;
3137		}
3138	}
3139	if (rc == -EFAULT)
3140		return rc;
3141
3142	/* Start xfer with read op */
3143	val = (MCPR_IMC_COMMAND_ENABLE) |
3144		(MCPR_IMC_COMMAND_READ_OP <<
3145		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3146		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3147		  (xfer_cnt);
3148	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3149
3150	/* Poll for completion */
3151	i = 0;
3152	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3153	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3154		udelay(10);
3155		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3156		if (i++ > 1000) {
3157			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3158			rc = -EFAULT;
3159			break;
3160		}
3161	}
3162	if (rc == -EFAULT)
3163		return rc;
3164
3165	for (i = (lc_addr >> 2); i < 4; i++) {
3166		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3167#ifdef __BIG_ENDIAN
3168		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3169				((data_array[i] & 0x0000ff00) << 8) |
3170				((data_array[i] & 0x00ff0000) >> 8) |
3171				((data_array[i] & 0xff000000) >> 24);
3172#endif
3173	}
3174	return rc;
3175}
3176
3177static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3178				     u8 devad, u16 reg, u16 or_val)
3179{
3180	u16 val;
3181	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3182	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3183}
3184
3185static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3186				      struct bnx2x_phy *phy,
3187				      u8 devad, u16 reg, u16 and_val)
3188{
3189	u16 val;
3190	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3191	bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3192}
3193
3194int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3195		   u8 devad, u16 reg, u16 *ret_val)
3196{
3197	u8 phy_index;
3198	/* Probe for the phy according to the given phy_addr, and execute
3199	 * the read request on it
3200	 */
3201	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3202		if (params->phy[phy_index].addr == phy_addr) {
3203			return bnx2x_cl45_read(params->bp,
3204					       &params->phy[phy_index], devad,
3205					       reg, ret_val);
3206		}
3207	}
3208	return -EINVAL;
3209}
3210
3211int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3212		    u8 devad, u16 reg, u16 val)
3213{
3214	u8 phy_index;
3215	/* Probe for the phy according to the given phy_addr, and execute
3216	 * the write request on it
3217	 */
3218	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3219		if (params->phy[phy_index].addr == phy_addr) {
3220			return bnx2x_cl45_write(params->bp,
3221						&params->phy[phy_index], devad,
3222						reg, val);
3223		}
3224	}
3225	return -EINVAL;
3226}
3227static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3228				  struct link_params *params)
3229{
3230	u8 lane = 0;
3231	struct bnx2x *bp = params->bp;
3232	u32 path_swap, path_swap_ovr;
3233	u8 path, port;
3234
3235	path = BP_PATH(bp);
3236	port = params->port;
3237
3238	if (bnx2x_is_4_port_mode(bp)) {
3239		u32 port_swap, port_swap_ovr;
3240
3241		/* Figure out path swap value */
3242		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3243		if (path_swap_ovr & 0x1)
3244			path_swap = (path_swap_ovr & 0x2);
3245		else
3246			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3247
3248		if (path_swap)
3249			path = path ^ 1;
3250
3251		/* Figure out port swap value */
3252		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3253		if (port_swap_ovr & 0x1)
3254			port_swap = (port_swap_ovr & 0x2);
3255		else
3256			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3257
3258		if (port_swap)
3259			port = port ^ 1;
3260
3261		lane = (port<<1) + path;
3262	} else { /* Two port mode - no port swap */
3263
3264		/* Figure out path swap value */
3265		path_swap_ovr =
3266			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3267		if (path_swap_ovr & 0x1) {
3268			path_swap = (path_swap_ovr & 0x2);
3269		} else {
3270			path_swap =
3271				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3272		}
3273		if (path_swap)
3274			path = path ^ 1;
3275
3276		lane = path << 1 ;
3277	}
3278	return lane;
3279}
3280
3281static void bnx2x_set_aer_mmd(struct link_params *params,
3282			      struct bnx2x_phy *phy)
3283{
3284	u32 ser_lane;
3285	u16 offset, aer_val;
3286	struct bnx2x *bp = params->bp;
3287	ser_lane = ((params->lane_config &
3288		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3289		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3290
3291	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3292		(phy->addr + ser_lane) : 0;
3293
3294	if (USES_WARPCORE(bp)) {
3295		aer_val = bnx2x_get_warpcore_lane(phy, params);
3296		/* In Dual-lane mode, two lanes are joined together,
3297		 * so in order to configure them, the AER broadcast method is
3298		 * used here.
3299		 * 0x200 is the broadcast address for lanes 0,1
3300		 * 0x201 is the broadcast address for lanes 2,3
3301		 */
3302		if (phy->flags & FLAGS_WC_DUAL_MODE)
3303			aer_val = (aer_val >> 1) | 0x200;
3304	} else if (CHIP_IS_E2(bp))
3305		aer_val = 0x3800 + offset - 1;
3306	else
3307		aer_val = 0x3800 + offset;
3308
3309	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3310			  MDIO_AER_BLOCK_AER_REG, aer_val);
3311
3312}
3313
3314/******************************************************************/
3315/*			Internal phy section			  */
3316/******************************************************************/
3317
3318static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3319{
3320	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3321
3322	/* Set Clause 22 */
3323	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3324	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3325	udelay(500);
3326	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3327	udelay(500);
3328	 /* Set Clause 45 */
3329	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3330}
3331
3332static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3333{
3334	u32 val;
3335
3336	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3337
3338	val = SERDES_RESET_BITS << (port*16);
3339
3340	/* Reset and unreset the SerDes/XGXS */
3341	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3342	udelay(500);
3343	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3344
3345	bnx2x_set_serdes_access(bp, port);
3346
3347	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3348	       DEFAULT_PHY_DEV_ADDR);
3349}
3350
3351static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3352				     struct link_params *params,
3353				     u32 action)
3354{
3355	struct bnx2x *bp = params->bp;
3356	switch (action) {
3357	case PHY_INIT:
3358		/* Set correct devad */
3359		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3360		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3361		       phy->def_md_devad);
3362		break;
3363	}
3364}
3365
3366static void bnx2x_xgxs_deassert(struct link_params *params)
3367{
3368	struct bnx2x *bp = params->bp;
3369	u8 port;
3370	u32 val;
3371	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3372	port = params->port;
3373
3374	val = XGXS_RESET_BITS << (port*16);
3375
3376	/* Reset and unreset the SerDes/XGXS */
3377	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3378	udelay(500);
3379	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3380	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3381				 PHY_INIT);
3382}
3383
3384static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3385				     struct link_params *params, u16 *ieee_fc)
3386{
3387	struct bnx2x *bp = params->bp;
3388	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3389	/* Resolve pause mode and advertisement Please refer to Table
3390	 * 28B-3 of the 802.3ab-1999 spec
3391	 */
3392
3393	switch (phy->req_flow_ctrl) {
3394	case BNX2X_FLOW_CTRL_AUTO:
3395		switch (params->req_fc_auto_adv) {
3396		case BNX2X_FLOW_CTRL_BOTH:
3397		case BNX2X_FLOW_CTRL_RX:
3398			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3399			break;
3400		case BNX2X_FLOW_CTRL_TX:
3401			*ieee_fc |=
3402				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3403			break;
3404		default:
3405			break;
3406		}
3407		break;
3408	case BNX2X_FLOW_CTRL_TX:
3409		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3410		break;
3411
3412	case BNX2X_FLOW_CTRL_RX:
3413	case BNX2X_FLOW_CTRL_BOTH:
3414		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3415		break;
3416
3417	case BNX2X_FLOW_CTRL_NONE:
3418	default:
3419		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3420		break;
3421	}
3422	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3423}
3424
3425static void set_phy_vars(struct link_params *params,
3426			 struct link_vars *vars)
3427{
3428	struct bnx2x *bp = params->bp;
3429	u8 actual_phy_idx, phy_index, link_cfg_idx;
3430	u8 phy_config_swapped = params->multi_phy_config &
3431			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3432	for (phy_index = INT_PHY; phy_index < params->num_phys;
3433	      phy_index++) {
3434		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3435		actual_phy_idx = phy_index;
3436		if (phy_config_swapped) {
3437			if (phy_index == EXT_PHY1)
3438				actual_phy_idx = EXT_PHY2;
3439			else if (phy_index == EXT_PHY2)
3440				actual_phy_idx = EXT_PHY1;
3441		}
3442		params->phy[actual_phy_idx].req_flow_ctrl =
3443			params->req_flow_ctrl[link_cfg_idx];
3444
3445		params->phy[actual_phy_idx].req_line_speed =
3446			params->req_line_speed[link_cfg_idx];
3447
3448		params->phy[actual_phy_idx].speed_cap_mask =
3449			params->speed_cap_mask[link_cfg_idx];
3450
3451		params->phy[actual_phy_idx].req_duplex =
3452			params->req_duplex[link_cfg_idx];
3453
3454		if (params->req_line_speed[link_cfg_idx] ==
3455		    SPEED_AUTO_NEG)
3456			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3457
3458		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3459			   " speed_cap_mask %x\n",
3460			   params->phy[actual_phy_idx].req_flow_ctrl,
3461			   params->phy[actual_phy_idx].req_line_speed,
3462			   params->phy[actual_phy_idx].speed_cap_mask);
3463	}
3464}
3465
3466static void bnx2x_ext_phy_set_pause(struct link_params *params,
3467				    struct bnx2x_phy *phy,
3468				    struct link_vars *vars)
3469{
3470	u16 val;
3471	struct bnx2x *bp = params->bp;
3472	/* Read modify write pause advertizing */
3473	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3474
3475	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3476
3477	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3478	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3479	if ((vars->ieee_fc &
3480	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3481	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3482		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3483	}
3484	if ((vars->ieee_fc &
3485	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3486	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3487		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3488	}
3489	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3490	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3491}
3492
3493static void bnx2x_pause_resolve(struct bnx2x_phy *phy,
3494				struct link_params *params,
3495				struct link_vars *vars,
3496				u32 pause_result)
3497{
3498	struct bnx2x *bp = params->bp;
3499						/*  LD	    LP	 */
3500	switch (pause_result) {			/* ASYM P ASYM P */
3501	case 0xb:				/*   1  0   1  1 */
3502		DP(NETIF_MSG_LINK, "Flow Control: TX only\n");
3503		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3504		break;
3505
3506	case 0xe:				/*   1  1   1  0 */
3507		DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
3508		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3509		break;
3510
3511	case 0x5:				/*   0  1   0  1 */
3512	case 0x7:				/*   0  1   1  1 */
3513	case 0xd:				/*   1  1   0  1 */
3514	case 0xf:				/*   1  1   1  1 */
3515		/* If the user selected to advertise RX ONLY,
3516		 * although we advertised both, need to enable
3517		 * RX only.
3518		 */
3519		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
3520			DP(NETIF_MSG_LINK, "Flow Control: RX & TX\n");
3521			vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3522		} else {
3523			DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
3524			vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3525		}
3526		break;
3527
3528	default:
3529		DP(NETIF_MSG_LINK, "Flow Control: None\n");
3530		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3531		break;
3532	}
3533	if (pause_result & (1<<0))
3534		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3535	if (pause_result & (1<<1))
3536		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3537
3538}
3539
3540static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3541					struct link_params *params,
3542					struct link_vars *vars)
3543{
3544	u16 ld_pause;		/* local */
3545	u16 lp_pause;		/* link partner */
3546	u16 pause_result;
3547	struct bnx2x *bp = params->bp;
3548	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3549		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3550		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3551	} else if (CHIP_IS_E3(bp) &&
3552		SINGLE_MEDIA_DIRECT(params)) {
3553		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3554		u16 gp_status, gp_mask;
3555		bnx2x_cl45_read(bp, phy,
3556				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3557				&gp_status);
3558		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3559			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3560			lane;
3561		if ((gp_status & gp_mask) == gp_mask) {
3562			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3563					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3564			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3565					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3566		} else {
3567			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3568					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3569			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3570					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3571			ld_pause = ((ld_pause &
3572				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3573				    << 3);
3574			lp_pause = ((lp_pause &
3575				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3576				    << 3);
3577		}
3578	} else {
3579		bnx2x_cl45_read(bp, phy,
3580				MDIO_AN_DEVAD,
3581				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3582		bnx2x_cl45_read(bp, phy,
3583				MDIO_AN_DEVAD,
3584				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3585	}
3586	pause_result = (ld_pause &
3587			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3588	pause_result |= (lp_pause &
3589			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3590	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3591	bnx2x_pause_resolve(phy, params, vars, pause_result);
3592
3593}
3594
3595static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3596				   struct link_params *params,
3597				   struct link_vars *vars)
3598{
3599	u8 ret = 0;
3600	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3601	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3602		/* Update the advertised flow-controled of LD/LP in AN */
3603		if (phy->req_line_speed == SPEED_AUTO_NEG)
3604			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3605		/* But set the flow-control result as the requested one */
3606		vars->flow_ctrl = phy->req_flow_ctrl;
3607	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3608		vars->flow_ctrl = params->req_fc_auto_adv;
3609	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3610		ret = 1;
3611		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3612	}
3613	return ret;
3614}
3615/******************************************************************/
3616/*			Warpcore section			  */
3617/******************************************************************/
3618/* The init_internal_warpcore should mirror the xgxs,
3619 * i.e. reset the lane (if needed), set aer for the
3620 * init configuration, and set/clear SGMII flag. Internal
3621 * phy init is done purely in phy_init stage.
3622 */
3623#define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
3624	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3625	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3626	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
3627	 (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
3628
3629#define WC_TX_FIR(post, main, pre) \
3630	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3631	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3632	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3633
3634static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3635					 struct link_params *params,
3636					 struct link_vars *vars)
3637{
3638	struct bnx2x *bp = params->bp;
3639	u16 i;
3640	static struct bnx2x_reg_set reg_set[] = {
3641		/* Step 1 - Program the TX/RX alignment markers */
3642		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3643		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3644		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3645		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3646		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3647		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3648		/* Step 2 - Configure the NP registers */
3649		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3650		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3651		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3652		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3653		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3654		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3655		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3656		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3657		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3658	};
3659	DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3660
3661	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3662				 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3663
3664	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3665		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3666				 reg_set[i].val);
3667
3668	/* Start KR2 work-around timer which handles BCM8073 link-parner */
3669	params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3670	bnx2x_update_link_attr(params, params->link_attr_sync);
3671}
3672
3673static void bnx2x_disable_kr2(struct link_params *params,
3674			      struct link_vars *vars,
3675			      struct bnx2x_phy *phy)
3676{
3677	struct bnx2x *bp = params->bp;
3678	int i;
3679	static struct bnx2x_reg_set reg_set[] = {
3680		/* Step 1 - Program the TX/RX alignment markers */
3681		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3682		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3683		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3684		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3685		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3686		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3687		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3688		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3689		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3690		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3691		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3692		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3693		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3694		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3695		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3696	};
3697	DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3698
3699	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3700		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3701				 reg_set[i].val);
3702	params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3703	bnx2x_update_link_attr(params, params->link_attr_sync);
3704
3705	vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3706}
3707
3708static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3709					       struct link_params *params)
3710{
3711	struct bnx2x *bp = params->bp;
3712
3713	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3714	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3715			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3716	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3717				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3718}
3719
3720static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3721					 struct link_params *params)
3722{
3723	/* Restart autoneg on the leading lane only */
3724	struct bnx2x *bp = params->bp;
3725	u16 lane = bnx2x_get_warpcore_lane(phy, params);
3726	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3727			  MDIO_AER_BLOCK_AER_REG, lane);
3728	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3729			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3730
3731	/* Restore AER */
3732	bnx2x_set_aer_mmd(params, phy);
3733}
3734
3735static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3736					struct link_params *params,
3737					struct link_vars *vars) {
3738	u16 lane, i, cl72_ctrl, an_adv = 0, val;
3739	u32 wc_lane_config;
3740	struct bnx2x *bp = params->bp;
3741	static struct bnx2x_reg_set reg_set[] = {
3742		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3743		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3744		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3745		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3746		/* Disable Autoneg: re-enable it after adv is done. */
3747		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3748		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3749		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3750	};
3751	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3752	/* Set to default registers that may be overriden by 10G force */
3753	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3754		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3755				 reg_set[i].val);
3756
3757	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3758			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3759	cl72_ctrl &= 0x08ff;
3760	cl72_ctrl |= 0x3800;
3761	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3762			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3763
3764	/* Check adding advertisement for 1G KX */
3765	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3766	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3767	    (vars->line_speed == SPEED_1000)) {
3768		u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3769		an_adv |= (1<<5);
3770
3771		/* Enable CL37 1G Parallel Detect */
3772		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3773		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3774	}
3775	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3776	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3777	    (vars->line_speed ==  SPEED_10000)) {
3778		/* Check adding advertisement for 10G KR */
3779		an_adv |= (1<<7);
3780		/* Enable 10G Parallel Detect */
3781		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3782				  MDIO_AER_BLOCK_AER_REG, 0);
3783
3784		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3785				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3786		bnx2x_set_aer_mmd(params, phy);
3787		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3788	}
3789
3790	/* Set Transmit PMD settings */
3791	lane = bnx2x_get_warpcore_lane(phy, params);
3792	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3793			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3794			 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3795	/* Configure the next lane if dual mode */
3796	if (phy->flags & FLAGS_WC_DUAL_MODE)
3797		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3798				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3799				 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3800	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3801			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3802			 0x03f0);
3803	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3804			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3805			 0x03f0);
3806
3807	/* Advertised speeds */
3808	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3809			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3810
3811	/* Advertised and set FEC (Forward Error Correction) */
3812	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3813			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3814			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3815			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3816
3817	/* Enable CL37 BAM */
3818	if (REG_RD(bp, params->shmem_base +
3819		   offsetof(struct shmem_region, dev_info.
3820			    port_hw_config[params->port].default_cfg)) &
3821	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3822		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3823					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3824					 1);
3825		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3826	}
3827
3828	/* Advertise pause */
3829	bnx2x_ext_phy_set_pause(params, phy, vars);
3830	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3831	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3832				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3833
3834	/* Over 1G - AN local device user page 1 */
3835	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3836			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3837
3838	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3839	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3840	    (phy->req_line_speed == SPEED_20000)) {
3841
3842		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3843				  MDIO_AER_BLOCK_AER_REG, lane);
3844
3845		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3846					 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3847					 (1<<11));
3848
3849		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3850				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3851		bnx2x_set_aer_mmd(params, phy);
3852
3853		bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3854	} else {
3855		/* Enable Auto-Detect to support 1G over CL37 as well */
3856		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3857				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3858		wc_lane_config = REG_RD(bp, params->shmem_base +
3859					offsetof(struct shmem_region, dev_info.
3860					shared_hw_config.wc_lane_config));
3861		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3862				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
3863		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
3864		 * parallel-detect loop when CL73 and CL37 are enabled.
3865		 */
3866		val |= 1 << 11;
3867
3868		/* Restore Polarity settings in case it was run over by
3869		 * previous link owner
3870		 */
3871		if (wc_lane_config &
3872		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
3873			val |= 3 << 2;
3874		else
3875			val &= ~(3 << 2);
3876		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3877				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
3878				 val);
3879
3880		bnx2x_disable_kr2(params, vars, phy);
3881	}
3882
3883	/* Enable Autoneg: only on the main lane */
3884	bnx2x_warpcore_restart_AN_KR(phy, params);
3885}
3886
3887static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3888				      struct link_params *params,
3889				      struct link_vars *vars)
3890{
3891	struct bnx2x *bp = params->bp;
3892	u16 val16, i, lane;
3893	static struct bnx2x_reg_set reg_set[] = {
3894		/* Disable Autoneg */
3895		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3896		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3897			0x3f00},
3898		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3899		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3900		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3901		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3902		/* Leave cl72 training enable, needed for KR */
3903		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3904	};
3905
3906	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3907		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3908				 reg_set[i].val);
3909
3910	lane = bnx2x_get_warpcore_lane(phy, params);
3911	/* Global registers */
3912	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3913			  MDIO_AER_BLOCK_AER_REG, 0);
3914	/* Disable CL36 PCS Tx */
3915	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3916			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3917	val16 &= ~(0x0011 << lane);
3918	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3919			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3920
3921	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3922			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3923	val16 |= (0x0303 << (lane << 1));
3924	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3925			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3926	/* Restore AER */
3927	bnx2x_set_aer_mmd(params, phy);
3928	/* Set speed via PMA/PMD register */
3929	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3930			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3931
3932	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3933			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3934
3935	/* Enable encoded forced speed */
3936	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3937			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3938
3939	/* Turn TX scramble payload only the 64/66 scrambler */
3940	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3941			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3942
3943	/* Turn RX scramble payload only the 64/66 scrambler */
3944	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3945				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3946
3947	/* Set and clear loopback to cause a reset to 64/66 decoder */
3948	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3949			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3950	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3951			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3952
3953}
3954
3955static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3956				       struct link_params *params,
3957				       u8 is_xfi)
3958{
3959	struct bnx2x *bp = params->bp;
3960	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3961	u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3962	u32 ifir_val, ipost2_val, ipre_driver_val;
3963
3964	/* Hold rxSeqStart */
3965	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3966				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3967
3968	/* Hold tx_fifo_reset */
3969	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3970				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3971
3972	/* Disable CL73 AN */
3973	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3974
3975	/* Disable 100FX Enable and Auto-Detect */
3976	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3977				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3978
3979	/* Disable 100FX Idle detect */
3980	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3981				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3982
3983	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3984	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3985				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3986
3987	/* Turn off auto-detect & fiber mode */
3988	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3989				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3990				  0xFFEE);
3991
3992	/* Set filter_force_link, disable_false_link and parallel_detect */
3993	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3994			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3995	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3996			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3997			 ((val | 0x0006) & 0xFFFE));
3998
3999	/* Set XFI / SFI */
4000	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4001			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4002
4003	misc1_val &= ~(0x1f);
4004
4005	if (is_xfi) {
4006		misc1_val |= 0x5;
4007		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4008		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
4009	} else {
4010		cfg_tap_val = REG_RD(bp, params->shmem_base +
4011				     offsetof(struct shmem_region, dev_info.
4012					      port_hw_config[params->port].
4013					      sfi_tap_values));
4014
4015		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4016
4017		misc1_val |= 0x9;
4018
4019		/* TAP values are controlled by nvram, if value there isn't 0 */
4020		if (tx_equal)
4021			tap_val = (u16)tx_equal;
4022		else
4023			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4024
4025		ifir_val = DEFAULT_TX_DRV_IFIR;
4026		ipost2_val = DEFAULT_TX_DRV_POST2;
4027		ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
4028		tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
4029
4030		/* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
4031		 * configuration.
4032		 */
4033		if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
4034				   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
4035				   PORT_HW_CFG_TX_DRV_POST2_MASK)) {
4036			ifir_val = (cfg_tap_val &
4037				    PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
4038				PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
4039			ipre_driver_val = (cfg_tap_val &
4040					   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
4041			>> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
4042			ipost2_val = (cfg_tap_val &
4043				      PORT_HW_CFG_TX_DRV_POST2_MASK) >>
4044				PORT_HW_CFG_TX_DRV_POST2_SHIFT;
4045		}
4046
4047		if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
4048			tx_drv_brdct = (cfg_tap_val &
4049					PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4050				PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4051		}
4052
4053		tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
4054					     ipre_driver_val, ifir_val);
4055	}
4056	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4057			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4058
4059	/* Set Transmit PMD settings */
4060	lane = bnx2x_get_warpcore_lane(phy, params);
4061	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4062			 MDIO_WC_REG_TX_FIR_TAP,
4063			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4064	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4065			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4066			 tx_driver_val);
4067
4068	/* Enable fiber mode, enable and invert sig_det */
4069	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4070				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4071
4072	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4073	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4074				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4075
4076	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4077
4078	/* 10G XFI Full Duplex */
4079	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4080			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4081
4082	/* Release tx_fifo_reset */
4083	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4084				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4085				  0xFFFE);
4086	/* Release rxSeqStart */
4087	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4088				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4089}
4090
4091static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4092					     struct link_params *params)
4093{
4094	u16 val;
4095	struct bnx2x *bp = params->bp;
4096	/* Set global registers, so set AER lane to 0 */
4097	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4098			  MDIO_AER_BLOCK_AER_REG, 0);
4099
4100	/* Disable sequencer */
4101	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4102				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4103
4104	bnx2x_set_aer_mmd(params, phy);
4105
4106	bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4107				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4108	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4109			 MDIO_AN_REG_CTRL, 0);
4110	/* Turn off CL73 */
4111	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4112			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4113	val &= ~(1<<5);
4114	val |= (1<<6);
4115	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4116			 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4117
4118	/* Set 20G KR2 force speed */
4119	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4120				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4121
4122	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4123				 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4124
4125	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4126			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4127	val &= ~(3<<14);
4128	val |= (1<<15);
4129	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4130			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4131	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4132			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4133
4134	/* Enable sequencer (over lane 0) */
4135	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4136			  MDIO_AER_BLOCK_AER_REG, 0);
4137
4138	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4139				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4140
4141	bnx2x_set_aer_mmd(params, phy);
4142}
4143
4144static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4145					 struct bnx2x_phy *phy,
4146					 u16 lane)
4147{
4148	/* Rx0 anaRxControl1G */
4149	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4150			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4151
4152	/* Rx2 anaRxControl1G */
4153	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4154			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4155
4156	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4157			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4158
4159	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4160			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4161
4162	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4163			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4164
4165	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4166			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4167
4168	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4170
4171	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4172			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4173
4174	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4175			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4176
4177	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4178			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4179
4180	/* Serdes Digital Misc1 */
4181	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4182			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4183
4184	/* Serdes Digital4 Misc3 */
4185	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4186			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4187
4188	/* Set Transmit PMD settings */
4189	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4190			 MDIO_WC_REG_TX_FIR_TAP,
4191			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4192			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4193	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4194			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4195			 WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
4196}
4197
4198static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4199					   struct link_params *params,
4200					   u8 fiber_mode,
4201					   u8 always_autoneg)
4202{
4203	struct bnx2x *bp = params->bp;
4204	u16 val16, digctrl_kx1, digctrl_kx2;
4205
4206	/* Clear XFI clock comp in non-10G single lane mode. */
4207	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4208				  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4209
4210	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4211
4212	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4213		/* SGMII Autoneg */
4214		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4215					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4216					 0x1000);
4217		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4218	} else {
4219		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4220				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4221		val16 &= 0xcebf;
4222		switch (phy->req_line_speed) {
4223		case SPEED_10:
4224			break;
4225		case SPEED_100:
4226			val16 |= 0x2000;
4227			break;
4228		case SPEED_1000:
4229			val16 |= 0x0040;
4230			break;
4231		default:
4232			DP(NETIF_MSG_LINK,
4233			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4234			return;
4235		}
4236
4237		if (phy->req_duplex == DUPLEX_FULL)
4238			val16 |= 0x0100;
4239
4240		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4241				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4242
4243		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4244			       phy->req_line_speed);
4245		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4246				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4247		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4248	}
4249
4250	/* SGMII Slave mode and disable signal detect */
4251	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4252			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4253	if (fiber_mode)
4254		digctrl_kx1 = 1;
4255	else
4256		digctrl_kx1 &= 0xff4a;
4257
4258	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4259			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4260			digctrl_kx1);
4261
4262	/* Turn off parallel detect */
4263	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4264			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4265	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4266			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4267			(digctrl_kx2 & ~(1<<2)));
4268
4269	/* Re-enable parallel detect */
4270	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4271			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4272			(digctrl_kx2 | (1<<2)));
4273
4274	/* Enable autodet */
4275	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4276			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4277			(digctrl_kx1 | 0x10));
4278}
4279
4280static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4281				      struct bnx2x_phy *phy,
4282				      u8 reset)
4283{
4284	u16 val;
4285	/* Take lane out of reset after configuration is finished */
4286	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4287			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4288	if (reset)
4289		val |= 0xC000;
4290	else
4291		val &= 0x3FFF;
4292	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4293			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4294	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4295			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4296}
4297/* Clear SFI/XFI link settings registers */
4298static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4299				      struct link_params *params,
4300				      u16 lane)
4301{
4302	struct bnx2x *bp = params->bp;
4303	u16 i;
4304	static struct bnx2x_reg_set wc_regs[] = {
4305		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4306		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4307		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4308		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4309		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4310			0x0195},
4311		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4312			0x0007},
4313		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4314			0x0002},
4315		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4316		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4317		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4318		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4319	};
4320	/* Set XFI clock comp as default. */
4321	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4322				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4323
4324	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4325		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4326				 wc_regs[i].val);
4327
4328	lane = bnx2x_get_warpcore_lane(phy, params);
4329	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4330			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4331
4332}
4333
4334static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4335						u32 chip_id,
4336						u32 shmem_base, u8 port,
4337						u8 *gpio_num, u8 *gpio_port)
4338{
4339	u32 cfg_pin;
4340	*gpio_num = 0;
4341	*gpio_port = 0;
4342	if (CHIP_IS_E3(bp)) {
4343		cfg_pin = (REG_RD(bp, shmem_base +
4344				offsetof(struct shmem_region,
4345				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4346				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4347				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4348
4349		/* Should not happen. This function called upon interrupt
4350		 * triggered by GPIO ( since EPIO can only generate interrupts
4351		 * to MCP).
4352		 * So if this function was called and none of the GPIOs was set,
4353		 * it means the shit hit the fan.
4354		 */
4355		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4356		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4357			DP(NETIF_MSG_LINK,
4358			   "No cfg pin %x for module detect indication\n",
4359			   cfg_pin);
4360			return -EINVAL;
4361		}
4362
4363		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4364		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4365	} else {
4366		*gpio_num = MISC_REGISTERS_GPIO_3;
4367		*gpio_port = port;
4368	}
4369
4370	return 0;
4371}
4372
4373static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4374				       struct link_params *params)
4375{
4376	struct bnx2x *bp = params->bp;
4377	u8 gpio_num, gpio_port;
4378	u32 gpio_val;
4379	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4380				      params->shmem_base, params->port,
4381				      &gpio_num, &gpio_port) != 0)
4382		return 0;
4383	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4384
4385	/* Call the handling function in case module is detected */
4386	if (gpio_val == 0)
4387		return 1;
4388	else
4389		return 0;
4390}
4391static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4392				     struct link_params *params)
4393{
4394	u16 gp2_status_reg0, lane;
4395	struct bnx2x *bp = params->bp;
4396
4397	lane = bnx2x_get_warpcore_lane(phy, params);
4398
4399	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4400				 &gp2_status_reg0);
4401
4402	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4403}
4404
4405static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4406					  struct link_params *params,
4407					  struct link_vars *vars)
4408{
4409	struct bnx2x *bp = params->bp;
4410	u32 serdes_net_if;
4411	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4412
4413	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4414
4415	if (!vars->turn_to_run_wc_rt)
4416		return;
4417
4418	if (vars->rx_tx_asic_rst) {
4419		u16 lane = bnx2x_get_warpcore_lane(phy, params);
4420		serdes_net_if = (REG_RD(bp, params->shmem_base +
4421				offsetof(struct shmem_region, dev_info.
4422				port_hw_config[params->port].default_cfg)) &
4423				PORT_HW_CFG_NET_SERDES_IF_MASK);
4424
4425		switch (serdes_net_if) {
4426		case PORT_HW_CFG_NET_SERDES_IF_KR:
4427			/* Do we get link yet? */
4428			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4429					&gp_status1);
4430			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4431				/*10G KR*/
4432			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4433
4434			if (lnkup_kr || lnkup) {
4435				vars->rx_tx_asic_rst = 0;
4436			} else {
4437				/* Reset the lane to see if link comes up.*/
4438				bnx2x_warpcore_reset_lane(bp, phy, 1);
4439				bnx2x_warpcore_reset_lane(bp, phy, 0);
4440
4441				/* Restart Autoneg */
4442				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4443					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4444
4445				vars->rx_tx_asic_rst--;
4446				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4447				vars->rx_tx_asic_rst);
4448			}
4449			break;
4450
4451		default:
4452			break;
4453		}
4454
4455	} /*params->rx_tx_asic_rst*/
4456
4457}
4458static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4459				      struct link_params *params)
4460{
4461	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4462	struct bnx2x *bp = params->bp;
4463	bnx2x_warpcore_clear_regs(phy, params, lane);
4464	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4465	     SPEED_10000) &&
4466	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4467		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4468		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4469	} else {
4470		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4471		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4472	}
4473}
4474
4475static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4476					 struct bnx2x_phy *phy,
4477					 u8 tx_en)
4478{
4479	struct bnx2x *bp = params->bp;
4480	u32 cfg_pin;
4481	u8 port = params->port;
4482
4483	cfg_pin = REG_RD(bp, params->shmem_base +
4484			 offsetof(struct shmem_region,
4485				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4486		PORT_HW_CFG_E3_TX_LASER_MASK;
4487	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4488	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4489
4490	/* For 20G, the expected pin to be used is 3 pins after the current */
4491	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4492	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4493		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4494}
4495
4496static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4497				       struct link_params *params,
4498				       struct link_vars *vars)
4499{
4500	struct bnx2x *bp = params->bp;
4501	u32 serdes_net_if;
4502	u8 fiber_mode;
4503	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4504	serdes_net_if = (REG_RD(bp, params->shmem_base +
4505			 offsetof(struct shmem_region, dev_info.
4506				  port_hw_config[params->port].default_cfg)) &
4507			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4508	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4509			   "serdes_net_if = 0x%x\n",
4510		       vars->line_speed, serdes_net_if);
4511	bnx2x_set_aer_mmd(params, phy);
4512	bnx2x_warpcore_reset_lane(bp, phy, 1);
4513	vars->phy_flags |= PHY_XGXS_FLAG;
4514	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4515	    (phy->req_line_speed &&
4516	     ((phy->req_line_speed == SPEED_100) ||
4517	      (phy->req_line_speed == SPEED_10)))) {
4518		vars->phy_flags |= PHY_SGMII_FLAG;
4519		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4520		bnx2x_warpcore_clear_regs(phy, params, lane);
4521		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4522	} else {
4523		switch (serdes_net_if) {
4524		case PORT_HW_CFG_NET_SERDES_IF_KR:
4525			/* Enable KR Auto Neg */
4526			if (params->loopback_mode != LOOPBACK_EXT)
4527				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4528			else {
4529				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4530				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4531			}
4532			break;
4533
4534		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4535			bnx2x_warpcore_clear_regs(phy, params, lane);
4536			if (vars->line_speed == SPEED_10000) {
4537				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4538				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4539			} else {
4540				if (SINGLE_MEDIA_DIRECT(params)) {
4541					DP(NETIF_MSG_LINK, "1G Fiber\n");
4542					fiber_mode = 1;
4543				} else {
4544					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4545					fiber_mode = 0;
4546				}
4547				bnx2x_warpcore_set_sgmii_speed(phy,
4548								params,
4549								fiber_mode,
4550								0);
4551			}
4552
4553			break;
4554
4555		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4556			/* Issue Module detection if module is plugged, or
4557			 * enabled transmitter to avoid current leakage in case
4558			 * no module is connected
4559			 */
4560			if ((params->loopback_mode == LOOPBACK_NONE) ||
4561			    (params->loopback_mode == LOOPBACK_EXT)) {
4562				if (bnx2x_is_sfp_module_plugged(phy, params))
4563					bnx2x_sfp_module_detection(phy, params);
4564				else
4565					bnx2x_sfp_e3_set_transmitter(params,
4566								     phy, 1);
4567			}
4568
4569			bnx2x_warpcore_config_sfi(phy, params);
4570			break;
4571
4572		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4573			if (vars->line_speed != SPEED_20000) {
4574				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4575				return;
4576			}
4577			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4578			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4579			/* Issue Module detection */
4580
4581			bnx2x_sfp_module_detection(phy, params);
4582			break;
4583		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4584			if (!params->loopback_mode) {
4585				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4586			} else {
4587				DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4588				bnx2x_warpcore_set_20G_force_KR2(phy, params);
4589			}
4590			break;
4591		default:
4592			DP(NETIF_MSG_LINK,
4593			   "Unsupported Serdes Net Interface 0x%x\n",
4594			   serdes_net_if);
4595			return;
4596		}
4597	}
4598
4599	/* Take lane out of reset after configuration is finished */
4600	bnx2x_warpcore_reset_lane(bp, phy, 0);
4601	DP(NETIF_MSG_LINK, "Exit config init\n");
4602}
4603
4604static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4605				      struct link_params *params)
4606{
4607	struct bnx2x *bp = params->bp;
4608	u16 val16, lane;
4609	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4610	bnx2x_set_mdio_emac_per_phy(bp, params);
4611	bnx2x_set_aer_mmd(params, phy);
4612	/* Global register */
4613	bnx2x_warpcore_reset_lane(bp, phy, 1);
4614
4615	/* Clear loopback settings (if any) */
4616	/* 10G & 20G */
4617	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4618				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4619
4620	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4621				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4622
4623	/* Update those 1-copy registers */
4624	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4625			  MDIO_AER_BLOCK_AER_REG, 0);
4626	/* Enable 1G MDIO (1-copy) */
4627	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4628				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4629				  ~0x10);
4630
4631	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4632				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4633	lane = bnx2x_get_warpcore_lane(phy, params);
4634	/* Disable CL36 PCS Tx */
4635	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4636			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4637	val16 |= (0x11 << lane);
4638	if (phy->flags & FLAGS_WC_DUAL_MODE)
4639		val16 |= (0x22 << lane);
4640	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4641			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4642
4643	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4644			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4645	val16 &= ~(0x0303 << (lane << 1));
4646	val16 |= (0x0101 << (lane << 1));
4647	if (phy->flags & FLAGS_WC_DUAL_MODE) {
4648		val16 &= ~(0x0c0c << (lane << 1));
4649		val16 |= (0x0404 << (lane << 1));
4650	}
4651
4652	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4653			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4654	/* Restore AER */
4655	bnx2x_set_aer_mmd(params, phy);
4656
4657}
4658
4659static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4660					struct link_params *params)
4661{
4662	struct bnx2x *bp = params->bp;
4663	u16 val16;
4664	u32 lane;
4665	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4666		       params->loopback_mode, phy->req_line_speed);
4667
4668	if (phy->req_line_speed < SPEED_10000 ||
4669	    phy->supported & SUPPORTED_20000baseKR2_Full) {
4670		/* 10/100/1000/20G-KR2 */
4671
4672		/* Update those 1-copy registers */
4673		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4674				  MDIO_AER_BLOCK_AER_REG, 0);
4675		/* Enable 1G MDIO (1-copy) */
4676		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4677					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4678					 0x10);
4679		/* Set 1G loopback based on lane (1-copy) */
4680		lane = bnx2x_get_warpcore_lane(phy, params);
4681		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4682				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4683		val16 |= (1<<lane);
4684		if (phy->flags & FLAGS_WC_DUAL_MODE)
4685			val16 |= (2<<lane);
4686		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4687				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4688				 val16);
4689
4690		/* Switch back to 4-copy registers */
4691		bnx2x_set_aer_mmd(params, phy);
4692	} else {
4693		/* 10G / 20G-DXGXS */
4694		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4695					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4696					 0x4000);
4697		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4698					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4699	}
4700}
4701
4702
4703
4704static void bnx2x_sync_link(struct link_params *params,
4705			     struct link_vars *vars)
4706{
4707	struct bnx2x *bp = params->bp;
4708	u8 link_10g_plus;
4709	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4710		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4711	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4712	if (vars->link_up) {
4713		DP(NETIF_MSG_LINK, "phy link up\n");
4714
4715		vars->phy_link_up = 1;
4716		vars->duplex = DUPLEX_FULL;
4717		switch (vars->link_status &
4718			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4719		case LINK_10THD:
4720			vars->duplex = DUPLEX_HALF;
4721			/* Fall thru */
4722		case LINK_10TFD:
4723			vars->line_speed = SPEED_10;
4724			break;
4725
4726		case LINK_100TXHD:
4727			vars->duplex = DUPLEX_HALF;
4728			/* Fall thru */
4729		case LINK_100T4:
4730		case LINK_100TXFD:
4731			vars->line_speed = SPEED_100;
4732			break;
4733
4734		case LINK_1000THD:
4735			vars->duplex = DUPLEX_HALF;
4736			/* Fall thru */
4737		case LINK_1000TFD:
4738			vars->line_speed = SPEED_1000;
4739			break;
4740
4741		case LINK_2500THD:
4742			vars->duplex = DUPLEX_HALF;
4743			/* Fall thru */
4744		case LINK_2500TFD:
4745			vars->line_speed = SPEED_2500;
4746			break;
4747
4748		case LINK_10GTFD:
4749			vars->line_speed = SPEED_10000;
4750			break;
4751		case LINK_20GTFD:
4752			vars->line_speed = SPEED_20000;
4753			break;
4754		default:
4755			break;
4756		}
4757		vars->flow_ctrl = 0;
4758		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4759			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4760
4761		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4762			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4763
4764		if (!vars->flow_ctrl)
4765			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4766
4767		if (vars->line_speed &&
4768		    ((vars->line_speed == SPEED_10) ||
4769		     (vars->line_speed == SPEED_100))) {
4770			vars->phy_flags |= PHY_SGMII_FLAG;
4771		} else {
4772			vars->phy_flags &= ~PHY_SGMII_FLAG;
4773		}
4774		if (vars->line_speed &&
4775		    USES_WARPCORE(bp) &&
4776		    (vars->line_speed == SPEED_1000))
4777			vars->phy_flags |= PHY_SGMII_FLAG;
4778		/* Anything 10 and over uses the bmac */
4779		link_10g_plus = (vars->line_speed >= SPEED_10000);
4780
4781		if (link_10g_plus) {
4782			if (USES_WARPCORE(bp))
4783				vars->mac_type = MAC_TYPE_XMAC;
4784			else
4785				vars->mac_type = MAC_TYPE_BMAC;
4786		} else {
4787			if (USES_WARPCORE(bp))
4788				vars->mac_type = MAC_TYPE_UMAC;
4789			else
4790				vars->mac_type = MAC_TYPE_EMAC;
4791		}
4792	} else { /* Link down */
4793		DP(NETIF_MSG_LINK, "phy link down\n");
4794
4795		vars->phy_link_up = 0;
4796
4797		vars->line_speed = 0;
4798		vars->duplex = DUPLEX_FULL;
4799		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4800
4801		/* Indicate no mac active */
4802		vars->mac_type = MAC_TYPE_NONE;
4803		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4804			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4805		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4806			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4807	}
4808}
4809
4810void bnx2x_link_status_update(struct link_params *params,
4811			      struct link_vars *vars)
4812{
4813	struct bnx2x *bp = params->bp;
4814	u8 port = params->port;
4815	u32 sync_offset, media_types;
4816	/* Update PHY configuration */
4817	set_phy_vars(params, vars);
4818
4819	vars->link_status = REG_RD(bp, params->shmem_base +
4820				   offsetof(struct shmem_region,
4821					    port_mb[port].link_status));
4822
4823	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4824	if (params->loopback_mode != LOOPBACK_NONE &&
4825	    params->loopback_mode != LOOPBACK_EXT)
4826		vars->link_status |= LINK_STATUS_LINK_UP;
4827
4828	if (bnx2x_eee_has_cap(params))
4829		vars->eee_status = REG_RD(bp, params->shmem2_base +
4830					  offsetof(struct shmem2_region,
4831						   eee_status[params->port]));
4832
4833	vars->phy_flags = PHY_XGXS_FLAG;
4834	bnx2x_sync_link(params, vars);
4835	/* Sync media type */
4836	sync_offset = params->shmem_base +
4837			offsetof(struct shmem_region,
4838				 dev_info.port_hw_config[port].media_type);
4839	media_types = REG_RD(bp, sync_offset);
4840
4841	params->phy[INT_PHY].media_type =
4842		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4843		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4844	params->phy[EXT_PHY1].media_type =
4845		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4846		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4847	params->phy[EXT_PHY2].media_type =
4848		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4849		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4850	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4851
4852	/* Sync AEU offset */
4853	sync_offset = params->shmem_base +
4854			offsetof(struct shmem_region,
4855				 dev_info.port_hw_config[port].aeu_int_mask);
4856
4857	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4858
4859	/* Sync PFC status */
4860	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4861		params->feature_config_flags |=
4862					FEATURE_CONFIG_PFC_ENABLED;
4863	else
4864		params->feature_config_flags &=
4865					~FEATURE_CONFIG_PFC_ENABLED;
4866
4867	if (SHMEM2_HAS(bp, link_attr_sync))
4868		params->link_attr_sync = SHMEM2_RD(bp,
4869						 link_attr_sync[params->port]);
4870
4871	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4872		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4873	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4874		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4875}
4876
4877static void bnx2x_set_master_ln(struct link_params *params,
4878				struct bnx2x_phy *phy)
4879{
4880	struct bnx2x *bp = params->bp;
4881	u16 new_master_ln, ser_lane;
4882	ser_lane = ((params->lane_config &
4883		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4884		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4885
4886	/* Set the master_ln for AN */
4887	CL22_RD_OVER_CL45(bp, phy,
4888			  MDIO_REG_BANK_XGXS_BLOCK2,
4889			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4890			  &new_master_ln);
4891
4892	CL22_WR_OVER_CL45(bp, phy,
4893			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4894			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4895			  (new_master_ln | ser_lane));
4896}
4897
4898static int bnx2x_reset_unicore(struct link_params *params,
4899			       struct bnx2x_phy *phy,
4900			       u8 set_serdes)
4901{
4902	struct bnx2x *bp = params->bp;
4903	u16 mii_control;
4904	u16 i;
4905	CL22_RD_OVER_CL45(bp, phy,
4906			  MDIO_REG_BANK_COMBO_IEEE0,
4907			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4908
4909	/* Reset the unicore */
4910	CL22_WR_OVER_CL45(bp, phy,
4911			  MDIO_REG_BANK_COMBO_IEEE0,
4912			  MDIO_COMBO_IEEE0_MII_CONTROL,
4913			  (mii_control |
4914			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4915	if (set_serdes)
4916		bnx2x_set_serdes_access(bp, params->port);
4917
4918	/* Wait for the reset to self clear */
4919	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4920		udelay(5);
4921
4922		/* The reset erased the previous bank value */
4923		CL22_RD_OVER_CL45(bp, phy,
4924				  MDIO_REG_BANK_COMBO_IEEE0,
4925				  MDIO_COMBO_IEEE0_MII_CONTROL,
4926				  &mii_control);
4927
4928		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4929			udelay(5);
4930			return 0;
4931		}
4932	}
4933
4934	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4935			      " Port %d\n",
4936			 params->port);
4937	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4938	return -EINVAL;
4939
4940}
4941
4942static void bnx2x_set_swap_lanes(struct link_params *params,
4943				 struct bnx2x_phy *phy)
4944{
4945	struct bnx2x *bp = params->bp;
4946	/* Each two bits represents a lane number:
4947	 * No swap is 0123 => 0x1b no need to enable the swap
4948	 */
4949	u16 rx_lane_swap, tx_lane_swap;
4950
4951	rx_lane_swap = ((params->lane_config &
4952			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4953			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4954	tx_lane_swap = ((params->lane_config &
4955			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4956			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4957
4958	if (rx_lane_swap != 0x1b) {
4959		CL22_WR_OVER_CL45(bp, phy,
4960				  MDIO_REG_BANK_XGXS_BLOCK2,
4961				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4962				  (rx_lane_swap |
4963				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4964				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4965	} else {
4966		CL22_WR_OVER_CL45(bp, phy,
4967				  MDIO_REG_BANK_XGXS_BLOCK2,
4968				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4969	}
4970
4971	if (tx_lane_swap != 0x1b) {
4972		CL22_WR_OVER_CL45(bp, phy,
4973				  MDIO_REG_BANK_XGXS_BLOCK2,
4974				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4975				  (tx_lane_swap |
4976				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4977	} else {
4978		CL22_WR_OVER_CL45(bp, phy,
4979				  MDIO_REG_BANK_XGXS_BLOCK2,
4980				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4981	}
4982}
4983
4984static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4985					 struct link_params *params)
4986{
4987	struct bnx2x *bp = params->bp;
4988	u16 control2;
4989	CL22_RD_OVER_CL45(bp, phy,
4990			  MDIO_REG_BANK_SERDES_DIGITAL,
4991			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4992			  &control2);
4993	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4994		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4995	else
4996		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4997	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4998		phy->speed_cap_mask, control2);
4999	CL22_WR_OVER_CL45(bp, phy,
5000			  MDIO_REG_BANK_SERDES_DIGITAL,
5001			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5002			  control2);
5003
5004	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
5005	     (phy->speed_cap_mask &
5006		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5007		DP(NETIF_MSG_LINK, "XGXS\n");
5008
5009		CL22_WR_OVER_CL45(bp, phy,
5010				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5011				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5012				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
5013
5014		CL22_RD_OVER_CL45(bp, phy,
5015				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5016				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5017				  &control2);
5018
5019
5020		control2 |=
5021		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5022
5023		CL22_WR_OVER_CL45(bp, phy,
5024				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5025				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5026				  control2);
5027
5028		/* Disable parallel detection of HiG */
5029		CL22_WR_OVER_CL45(bp, phy,
5030				  MDIO_REG_BANK_XGXS_BLOCK2,
5031				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5032				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5033				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5034	}
5035}
5036
5037static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
5038			      struct link_params *params,
5039			      struct link_vars *vars,
5040			      u8 enable_cl73)
5041{
5042	struct bnx2x *bp = params->bp;
5043	u16 reg_val;
5044
5045	/* CL37 Autoneg */
5046	CL22_RD_OVER_CL45(bp, phy,
5047			  MDIO_REG_BANK_COMBO_IEEE0,
5048			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5049
5050	/* CL37 Autoneg Enabled */
5051	if (vars->line_speed == SPEED_AUTO_NEG)
5052		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5053	else /* CL37 Autoneg Disabled */
5054		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5055			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5056
5057	CL22_WR_OVER_CL45(bp, phy,
5058			  MDIO_REG_BANK_COMBO_IEEE0,
5059			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5060
5061	/* Enable/Disable Autodetection */
5062
5063	CL22_RD_OVER_CL45(bp, phy,
5064			  MDIO_REG_BANK_SERDES_DIGITAL,
5065			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5066	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5067		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5068	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5069	if (vars->line_speed == SPEED_AUTO_NEG)
5070		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5071	else
5072		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5073
5074	CL22_WR_OVER_CL45(bp, phy,
5075			  MDIO_REG_BANK_SERDES_DIGITAL,
5076			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5077
5078	/* Enable TetonII and BAM autoneg */
5079	CL22_RD_OVER_CL45(bp, phy,
5080			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5081			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5082			  &reg_val);
5083	if (vars->line_speed == SPEED_AUTO_NEG) {
5084		/* Enable BAM aneg Mode and TetonII aneg Mode */
5085		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5086			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5087	} else {
5088		/* TetonII and BAM Autoneg Disabled */
5089		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5090			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5091	}
5092	CL22_WR_OVER_CL45(bp, phy,
5093			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5094			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5095			  reg_val);
5096
5097	if (enable_cl73) {
5098		/* Enable Cl73 FSM status bits */
5099		CL22_WR_OVER_CL45(bp, phy,
5100				  MDIO_REG_BANK_CL73_USERB0,
5101				  MDIO_CL73_USERB0_CL73_UCTRL,
5102				  0xe);
5103
5104		/* Enable BAM Station Manager*/
5105		CL22_WR_OVER_CL45(bp, phy,
5106			MDIO_REG_BANK_CL73_USERB0,
5107			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5108			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5109			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5110			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5111
5112		/* Advertise CL73 link speeds */
5113		CL22_RD_OVER_CL45(bp, phy,
5114				  MDIO_REG_BANK_CL73_IEEEB1,
5115				  MDIO_CL73_IEEEB1_AN_ADV2,
5116				  &reg_val);
5117		if (phy->speed_cap_mask &
5118		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5119			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5120		if (phy->speed_cap_mask &
5121		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5122			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5123
5124		CL22_WR_OVER_CL45(bp, phy,
5125				  MDIO_REG_BANK_CL73_IEEEB1,
5126				  MDIO_CL73_IEEEB1_AN_ADV2,
5127				  reg_val);
5128
5129		/* CL73 Autoneg Enabled */
5130		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5131
5132	} else /* CL73 Autoneg Disabled */
5133		reg_val = 0;
5134
5135	CL22_WR_OVER_CL45(bp, phy,
5136			  MDIO_REG_BANK_CL73_IEEEB0,
5137			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5138}
5139
5140/* Program SerDes, forced speed */
5141static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5142				 struct link_params *params,
5143				 struct link_vars *vars)
5144{
5145	struct bnx2x *bp = params->bp;
5146	u16 reg_val;
5147
5148	/* Program duplex, disable autoneg and sgmii*/
5149	CL22_RD_OVER_CL45(bp, phy,
5150			  MDIO_REG_BANK_COMBO_IEEE0,
5151			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5152	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5153		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5154		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5155	if (phy->req_duplex == DUPLEX_FULL)
5156		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5157	CL22_WR_OVER_CL45(bp, phy,
5158			  MDIO_REG_BANK_COMBO_IEEE0,
5159			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5160
5161	/* Program speed
5162	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5163	 */
5164	CL22_RD_OVER_CL45(bp, phy,
5165			  MDIO_REG_BANK_SERDES_DIGITAL,
5166			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5167	/* Clearing the speed value before setting the right speed */
5168	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5169
5170	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5171		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5172
5173	if (!((vars->line_speed == SPEED_1000) ||
5174	      (vars->line_speed == SPEED_100) ||
5175	      (vars->line_speed == SPEED_10))) {
5176
5177		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5178			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5179		if (vars->line_speed == SPEED_10000)
5180			reg_val |=
5181				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5182	}
5183
5184	CL22_WR_OVER_CL45(bp, phy,
5185			  MDIO_REG_BANK_SERDES_DIGITAL,
5186			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5187
5188}
5189
5190static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5191					      struct link_params *params)
5192{
5193	struct bnx2x *bp = params->bp;
5194	u16 val = 0;
5195
5196	/* Set extended capabilities */
5197	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5198		val |= MDIO_OVER_1G_UP1_2_5G;
5199	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5200		val |= MDIO_OVER_1G_UP1_10G;
5201	CL22_WR_OVER_CL45(bp, phy,
5202			  MDIO_REG_BANK_OVER_1G,
5203			  MDIO_OVER_1G_UP1, val);
5204
5205	CL22_WR_OVER_CL45(bp, phy,
5206			  MDIO_REG_BANK_OVER_1G,
5207			  MDIO_OVER_1G_UP3, 0x400);
5208}
5209
5210static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5211					      struct link_params *params,
5212					      u16 ieee_fc)
5213{
5214	struct bnx2x *bp = params->bp;
5215	u16 val;
5216	/* For AN, we are always publishing full duplex */
5217
5218	CL22_WR_OVER_CL45(bp, phy,
5219			  MDIO_REG_BANK_COMBO_IEEE0,
5220			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5221	CL22_RD_OVER_CL45(bp, phy,
5222			  MDIO_REG_BANK_CL73_IEEEB1,
5223			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5224	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5225	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5226	CL22_WR_OVER_CL45(bp, phy,
5227			  MDIO_REG_BANK_CL73_IEEEB1,
5228			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5229}
5230
5231static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5232				  struct link_params *params,
5233				  u8 enable_cl73)
5234{
5235	struct bnx2x *bp = params->bp;
5236	u16 mii_control;
5237
5238	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5239	/* Enable and restart BAM/CL37 aneg */
5240
5241	if (enable_cl73) {
5242		CL22_RD_OVER_CL45(bp, phy,
5243				  MDIO_REG_BANK_CL73_IEEEB0,
5244				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5245				  &mii_control);
5246
5247		CL22_WR_OVER_CL45(bp, phy,
5248				  MDIO_REG_BANK_CL73_IEEEB0,
5249				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5250				  (mii_control |
5251				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5252				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5253	} else {
5254
5255		CL22_RD_OVER_CL45(bp, phy,
5256				  MDIO_REG_BANK_COMBO_IEEE0,
5257				  MDIO_COMBO_IEEE0_MII_CONTROL,
5258				  &mii_control);
5259		DP(NETIF_MSG_LINK,
5260			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5261			 mii_control);
5262		CL22_WR_OVER_CL45(bp, phy,
5263				  MDIO_REG_BANK_COMBO_IEEE0,
5264				  MDIO_COMBO_IEEE0_MII_CONTROL,
5265				  (mii_control |
5266				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5267				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5268	}
5269}
5270
5271static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5272					   struct link_params *params,
5273					   struct link_vars *vars)
5274{
5275	struct bnx2x *bp = params->bp;
5276	u16 control1;
5277
5278	/* In SGMII mode, the unicore is always slave */
5279
5280	CL22_RD_OVER_CL45(bp, phy,
5281			  MDIO_REG_BANK_SERDES_DIGITAL,
5282			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5283			  &control1);
5284	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5285	/* Set sgmii mode (and not fiber) */
5286	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5287		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5288		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5289	CL22_WR_OVER_CL45(bp, phy,
5290			  MDIO_REG_BANK_SERDES_DIGITAL,
5291			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5292			  control1);
5293
5294	/* If forced speed */
5295	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5296		/* Set speed, disable autoneg */
5297		u16 mii_control;
5298
5299		CL22_RD_OVER_CL45(bp, phy,
5300				  MDIO_REG_BANK_COMBO_IEEE0,
5301				  MDIO_COMBO_IEEE0_MII_CONTROL,
5302				  &mii_control);
5303		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5304				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5305				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5306
5307		switch (vars->line_speed) {
5308		case SPEED_100:
5309			mii_control |=
5310				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5311			break;
5312		case SPEED_1000:
5313			mii_control |=
5314				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5315			break;
5316		case SPEED_10:
5317			/* There is nothing to set for 10M */
5318			break;
5319		default:
5320			/* Invalid speed for SGMII */
5321			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5322				  vars->line_speed);
5323			break;
5324		}
5325
5326		/* Setting the full duplex */
5327		if (phy->req_duplex == DUPLEX_FULL)
5328			mii_control |=
5329				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5330		CL22_WR_OVER_CL45(bp, phy,
5331				  MDIO_REG_BANK_COMBO_IEEE0,
5332				  MDIO_COMBO_IEEE0_MII_CONTROL,
5333				  mii_control);
5334
5335	} else { /* AN mode */
5336		/* Enable and restart AN */
5337		bnx2x_restart_autoneg(phy, params, 0);
5338	}
5339}
5340
5341/* Link management
5342 */
5343static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5344					     struct link_params *params)
5345{
5346	struct bnx2x *bp = params->bp;
5347	u16 pd_10g, status2_1000x;
5348	if (phy->req_line_speed != SPEED_AUTO_NEG)
5349		return 0;
5350	CL22_RD_OVER_CL45(bp, phy,
5351			  MDIO_REG_BANK_SERDES_DIGITAL,
5352			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5353			  &status2_1000x);
5354	CL22_RD_OVER_CL45(bp, phy,
5355			  MDIO_REG_BANK_SERDES_DIGITAL,
5356			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5357			  &status2_1000x);
5358	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5359		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5360			 params->port);
5361		return 1;
5362	}
5363
5364	CL22_RD_OVER_CL45(bp, phy,
5365			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5366			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5367			  &pd_10g);
5368
5369	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5370		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5371			 params->port);
5372		return 1;
5373	}
5374	return 0;
5375}
5376
5377static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5378				struct link_params *params,
5379				struct link_vars *vars,
5380				u32 gp_status)
5381{
5382	u16 ld_pause;   /* local driver */
5383	u16 lp_pause;   /* link partner */
5384	u16 pause_result;
5385	struct bnx2x *bp = params->bp;
5386	if ((gp_status &
5387	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5388	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5389	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5390	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5391
5392		CL22_RD_OVER_CL45(bp, phy,
5393				  MDIO_REG_BANK_CL73_IEEEB1,
5394				  MDIO_CL73_IEEEB1_AN_ADV1,
5395				  &ld_pause);
5396		CL22_RD_OVER_CL45(bp, phy,
5397				  MDIO_REG_BANK_CL73_IEEEB1,
5398				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5399				  &lp_pause);
5400		pause_result = (ld_pause &
5401				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5402		pause_result |= (lp_pause &
5403				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5404		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5405	} else {
5406		CL22_RD_OVER_CL45(bp, phy,
5407				  MDIO_REG_BANK_COMBO_IEEE0,
5408				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5409				  &ld_pause);
5410		CL22_RD_OVER_CL45(bp, phy,
5411			MDIO_REG_BANK_COMBO_IEEE0,
5412			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5413			&lp_pause);
5414		pause_result = (ld_pause &
5415				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5416		pause_result |= (lp_pause &
5417				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5418		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5419	}
5420	bnx2x_pause_resolve(phy, params, vars, pause_result);
5421
5422}
5423
5424static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5425				    struct link_params *params,
5426				    struct link_vars *vars,
5427				    u32 gp_status)
5428{
5429	struct bnx2x *bp = params->bp;
5430	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5431
5432	/* Resolve from gp_status in case of AN complete and not sgmii */
5433	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5434		/* Update the advertised flow-controled of LD/LP in AN */
5435		if (phy->req_line_speed == SPEED_AUTO_NEG)
5436			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5437		/* But set the flow-control result as the requested one */
5438		vars->flow_ctrl = phy->req_flow_ctrl;
5439	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5440		vars->flow_ctrl = params->req_fc_auto_adv;
5441	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5442		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5443		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5444			vars->flow_ctrl = params->req_fc_auto_adv;
5445			return;
5446		}
5447		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5448	}
5449	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5450}
5451
5452static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5453					 struct link_params *params)
5454{
5455	struct bnx2x *bp = params->bp;
5456	u16 rx_status, ustat_val, cl37_fsm_received;
5457	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5458	/* Step 1: Make sure signal is detected */
5459	CL22_RD_OVER_CL45(bp, phy,
5460			  MDIO_REG_BANK_RX0,
5461			  MDIO_RX0_RX_STATUS,
5462			  &rx_status);
5463	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5464	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5465		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5466			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5467		CL22_WR_OVER_CL45(bp, phy,
5468				  MDIO_REG_BANK_CL73_IEEEB0,
5469				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5470				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5471		return;
5472	}
5473	/* Step 2: Check CL73 state machine */
5474	CL22_RD_OVER_CL45(bp, phy,
5475			  MDIO_REG_BANK_CL73_USERB0,
5476			  MDIO_CL73_USERB0_CL73_USTAT1,
5477			  &ustat_val);
5478	if ((ustat_val &
5479	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5480	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5481	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5482	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5483		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5484			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5485		return;
5486	}
5487	/* Step 3: Check CL37 Message Pages received to indicate LP
5488	 * supports only CL37
5489	 */
5490	CL22_RD_OVER_CL45(bp, phy,
5491			  MDIO_REG_BANK_REMOTE_PHY,
5492			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5493			  &cl37_fsm_received);
5494	if ((cl37_fsm_received &
5495	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5496	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5497	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5498	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5499		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5500			     "misc_rx_status(0x8330) = 0x%x\n",
5501			 cl37_fsm_received);
5502		return;
5503	}
5504	/* The combined cl37/cl73 fsm state information indicating that
5505	 * we are connected to a device which does not support cl73, but
5506	 * does support cl37 BAM. In this case we disable cl73 and
5507	 * restart cl37 auto-neg
5508	 */
5509
5510	/* Disable CL73 */
5511	CL22_WR_OVER_CL45(bp, phy,
5512			  MDIO_REG_BANK_CL73_IEEEB0,
5513			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5514			  0);
5515	/* Restart CL37 autoneg */
5516	bnx2x_restart_autoneg(phy, params, 0);
5517	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5518}
5519
5520static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5521				  struct link_params *params,
5522				  struct link_vars *vars,
5523				  u32 gp_status)
5524{
5525	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5526		vars->link_status |=
5527			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5528
5529	if (bnx2x_direct_parallel_detect_used(phy, params))
5530		vars->link_status |=
5531			LINK_STATUS_PARALLEL_DETECTION_USED;
5532}
5533static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5534				     struct link_params *params,
5535				      struct link_vars *vars,
5536				      u16 is_link_up,
5537				      u16 speed_mask,
5538				      u16 is_duplex)
5539{
5540	struct bnx2x *bp = params->bp;
5541	if (phy->req_line_speed == SPEED_AUTO_NEG)
5542		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5543	if (is_link_up) {
5544		DP(NETIF_MSG_LINK, "phy link up\n");
5545
5546		vars->phy_link_up = 1;
5547		vars->link_status |= LINK_STATUS_LINK_UP;
5548
5549		switch (speed_mask) {
5550		case GP_STATUS_10M:
5551			vars->line_speed = SPEED_10;
5552			if (is_duplex == DUPLEX_FULL)
5553				vars->link_status |= LINK_10TFD;
5554			else
5555				vars->link_status |= LINK_10THD;
5556			break;
5557
5558		case GP_STATUS_100M:
5559			vars->line_speed = SPEED_100;
5560			if (is_duplex == DUPLEX_FULL)
5561				vars->link_status |= LINK_100TXFD;
5562			else
5563				vars->link_status |= LINK_100TXHD;
5564			break;
5565
5566		case GP_STATUS_1G:
5567		case GP_STATUS_1G_KX:
5568			vars->line_speed = SPEED_1000;
5569			if (is_duplex == DUPLEX_FULL)
5570				vars->link_status |= LINK_1000TFD;
5571			else
5572				vars->link_status |= LINK_1000THD;
5573			break;
5574
5575		case GP_STATUS_2_5G:
5576			vars->line_speed = SPEED_2500;
5577			if (is_duplex == DUPLEX_FULL)
5578				vars->link_status |= LINK_2500TFD;
5579			else
5580				vars->link_status |= LINK_2500THD;
5581			break;
5582
5583		case GP_STATUS_5G:
5584		case GP_STATUS_6G:
5585			DP(NETIF_MSG_LINK,
5586				 "link speed unsupported  gp_status 0x%x\n",
5587				  speed_mask);
5588			return -EINVAL;
5589
5590		case GP_STATUS_10G_KX4:
5591		case GP_STATUS_10G_HIG:
5592		case GP_STATUS_10G_CX4:
5593		case GP_STATUS_10G_KR:
5594		case GP_STATUS_10G_SFI:
5595		case GP_STATUS_10G_XFI:
5596			vars->line_speed = SPEED_10000;
5597			vars->link_status |= LINK_10GTFD;
5598			break;
5599		case GP_STATUS_20G_DXGXS:
5600		case GP_STATUS_20G_KR2:
5601			vars->line_speed = SPEED_20000;
5602			vars->link_status |= LINK_20GTFD;
5603			break;
5604		default:
5605			DP(NETIF_MSG_LINK,
5606				  "link speed unsupported gp_status 0x%x\n",
5607				  speed_mask);
5608			return -EINVAL;
5609		}
5610	} else { /* link_down */
5611		DP(NETIF_MSG_LINK, "phy link down\n");
5612
5613		vars->phy_link_up = 0;
5614
5615		vars->duplex = DUPLEX_FULL;
5616		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5617		vars->mac_type = MAC_TYPE_NONE;
5618	}
5619	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5620		    vars->phy_link_up, vars->line_speed);
5621	return 0;
5622}
5623
5624static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5625				      struct link_params *params,
5626				      struct link_vars *vars)
5627{
5628	struct bnx2x *bp = params->bp;
5629
5630	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5631	int rc = 0;
5632
5633	/* Read gp_status */
5634	CL22_RD_OVER_CL45(bp, phy,
5635			  MDIO_REG_BANK_GP_STATUS,
5636			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5637			  &gp_status);
5638	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5639		duplex = DUPLEX_FULL;
5640	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5641		link_up = 1;
5642	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5643	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5644		       gp_status, link_up, speed_mask);
5645	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5646					 duplex);
5647	if (rc == -EINVAL)
5648		return rc;
5649
5650	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5651		if (SINGLE_MEDIA_DIRECT(params)) {
5652			vars->duplex = duplex;
5653			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5654			if (phy->req_line_speed == SPEED_AUTO_NEG)
5655				bnx2x_xgxs_an_resolve(phy, params, vars,
5656						      gp_status);
5657		}
5658	} else { /* Link_down */
5659		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5660		    SINGLE_MEDIA_DIRECT(params)) {
5661			/* Check signal is detected */
5662			bnx2x_check_fallback_to_cl37(phy, params);
5663		}
5664	}
5665
5666	/* Read LP advertised speeds*/
5667	if (SINGLE_MEDIA_DIRECT(params) &&
5668	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5669		u16 val;
5670
5671		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5672				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5673
5674		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5675			vars->link_status |=
5676				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5677		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5678			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5679			vars->link_status |=
5680				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5681
5682		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5683				  MDIO_OVER_1G_LP_UP1, &val);
5684
5685		if (val & MDIO_OVER_1G_UP1_2_5G)
5686			vars->link_status |=
5687				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5688		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5689			vars->link_status |=
5690				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5691	}
5692
5693	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5694		   vars->duplex, vars->flow_ctrl, vars->link_status);
5695	return rc;
5696}
5697
5698static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5699				     struct link_params *params,
5700				     struct link_vars *vars)
5701{
5702	struct bnx2x *bp = params->bp;
5703	u8 lane;
5704	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5705	int rc = 0;
5706	lane = bnx2x_get_warpcore_lane(phy, params);
5707	/* Read gp_status */
5708	if ((params->loopback_mode) &&
5709	    (phy->flags & FLAGS_WC_DUAL_MODE)) {
5710		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5711				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5712		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5713				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5714		link_up &= 0x1;
5715	} else if ((phy->req_line_speed > SPEED_10000) &&
5716		(phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5717		u16 temp_link_up;
5718		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5719				1, &temp_link_up);
5720		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5721				1, &link_up);
5722		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5723			       temp_link_up, link_up);
5724		link_up &= (1<<2);
5725		if (link_up)
5726			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5727	} else {
5728		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5729				MDIO_WC_REG_GP2_STATUS_GP_2_1,
5730				&gp_status1);
5731		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5732		/* Check for either KR, 1G, or AN up. */
5733		link_up = ((gp_status1 >> 8) |
5734			   (gp_status1 >> 12) |
5735			   (gp_status1)) &
5736			(1 << lane);
5737		if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5738			u16 an_link;
5739			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5740					MDIO_AN_REG_STATUS, &an_link);
5741			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5742					MDIO_AN_REG_STATUS, &an_link);
5743			link_up |= (an_link & (1<<2));
5744		}
5745		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5746			u16 pd, gp_status4;
5747			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5748				/* Check Autoneg complete */
5749				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5750						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5751						&gp_status4);
5752				if (gp_status4 & ((1<<12)<<lane))
5753					vars->link_status |=
5754					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5755
5756				/* Check parallel detect used */
5757				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5758						MDIO_WC_REG_PAR_DET_10G_STATUS,
5759						&pd);
5760				if (pd & (1<<15))
5761					vars->link_status |=
5762					LINK_STATUS_PARALLEL_DETECTION_USED;
5763			}
5764			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5765			vars->duplex = duplex;
5766		}
5767	}
5768
5769	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5770	    SINGLE_MEDIA_DIRECT(params)) {
5771		u16 val;
5772
5773		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5774				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5775
5776		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5777			vars->link_status |=
5778				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5779		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5780			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5781			vars->link_status |=
5782				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5783
5784		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5785				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5786
5787		if (val & MDIO_OVER_1G_UP1_2_5G)
5788			vars->link_status |=
5789				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5790		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5791			vars->link_status |=
5792				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5793
5794	}
5795
5796
5797	if (lane < 2) {
5798		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5799				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5800	} else {
5801		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5802				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5803	}
5804	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5805
5806	if ((lane & 1) == 0)
5807		gp_speed <<= 8;
5808	gp_speed &= 0x3f00;
5809	link_up = !!link_up;
5810
5811	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5812					 duplex);
5813
5814	/* In case of KR link down, start up the recovering procedure */
5815	if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5816	    (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5817		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5818
5819	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5820		   vars->duplex, vars->flow_ctrl, vars->link_status);
5821	return rc;
5822}
5823static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5824{
5825	struct bnx2x *bp = params->bp;
5826	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5827	u16 lp_up2;
5828	u16 tx_driver;
5829	u16 bank;
5830
5831	/* Read precomp */
5832	CL22_RD_OVER_CL45(bp, phy,
5833			  MDIO_REG_BANK_OVER_1G,
5834			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5835
5836	/* Bits [10:7] at lp_up2, positioned at [15:12] */
5837	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5838		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5839		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5840
5841	if (lp_up2 == 0)
5842		return;
5843
5844	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5845	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5846		CL22_RD_OVER_CL45(bp, phy,
5847				  bank,
5848				  MDIO_TX0_TX_DRIVER, &tx_driver);
5849
5850		/* Replace tx_driver bits [15:12] */
5851		if (lp_up2 !=
5852		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5853			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5854			tx_driver |= lp_up2;
5855			CL22_WR_OVER_CL45(bp, phy,
5856					  bank,
5857					  MDIO_TX0_TX_DRIVER, tx_driver);
5858		}
5859	}
5860}
5861
5862static int bnx2x_emac_program(struct link_params *params,
5863			      struct link_vars *vars)
5864{
5865	struct bnx2x *bp = params->bp;
5866	u8 port = params->port;
5867	u16 mode = 0;
5868
5869	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5870	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5871		       EMAC_REG_EMAC_MODE,
5872		       (EMAC_MODE_25G_MODE |
5873			EMAC_MODE_PORT_MII_10M |
5874			EMAC_MODE_HALF_DUPLEX));
5875	switch (vars->line_speed) {
5876	case SPEED_10:
5877		mode |= EMAC_MODE_PORT_MII_10M;
5878		break;
5879
5880	case SPEED_100:
5881		mode |= EMAC_MODE_PORT_MII;
5882		break;
5883
5884	case SPEED_1000:
5885		mode |= EMAC_MODE_PORT_GMII;
5886		break;
5887
5888	case SPEED_2500:
5889		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5890		break;
5891
5892	default:
5893		/* 10G not valid for EMAC */
5894		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5895			   vars->line_speed);
5896		return -EINVAL;
5897	}
5898
5899	if (vars->duplex == DUPLEX_HALF)
5900		mode |= EMAC_MODE_HALF_DUPLEX;
5901	bnx2x_bits_en(bp,
5902		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5903		      mode);
5904
5905	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5906	return 0;
5907}
5908
5909static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5910				  struct link_params *params)
5911{
5912
5913	u16 bank, i = 0;
5914	struct bnx2x *bp = params->bp;
5915
5916	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5917	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5918			CL22_WR_OVER_CL45(bp, phy,
5919					  bank,
5920					  MDIO_RX0_RX_EQ_BOOST,
5921					  phy->rx_preemphasis[i]);
5922	}
5923
5924	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5925		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5926			CL22_WR_OVER_CL45(bp, phy,
5927					  bank,
5928					  MDIO_TX0_TX_DRIVER,
5929					  phy->tx_preemphasis[i]);
5930	}
5931}
5932
5933static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5934				   struct link_params *params,
5935				   struct link_vars *vars)
5936{
5937	struct bnx2x *bp = params->bp;
5938	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5939			  (params->loopback_mode == LOOPBACK_XGXS));
5940	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5941		if (SINGLE_MEDIA_DIRECT(params) &&
5942		    (params->feature_config_flags &
5943		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5944			bnx2x_set_preemphasis(phy, params);
5945
5946		/* Forced speed requested? */
5947		if (vars->line_speed != SPEED_AUTO_NEG ||
5948		    (SINGLE_MEDIA_DIRECT(params) &&
5949		     params->loopback_mode == LOOPBACK_EXT)) {
5950			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5951
5952			/* Disable autoneg */
5953			bnx2x_set_autoneg(phy, params, vars, 0);
5954
5955			/* Program speed and duplex */
5956			bnx2x_program_serdes(phy, params, vars);
5957
5958		} else { /* AN_mode */
5959			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5960
5961			/* AN enabled */
5962			bnx2x_set_brcm_cl37_advertisement(phy, params);
5963
5964			/* Program duplex & pause advertisement (for aneg) */
5965			bnx2x_set_ieee_aneg_advertisement(phy, params,
5966							  vars->ieee_fc);
5967
5968			/* Enable autoneg */
5969			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5970
5971			/* Enable and restart AN */
5972			bnx2x_restart_autoneg(phy, params, enable_cl73);
5973		}
5974
5975	} else { /* SGMII mode */
5976		DP(NETIF_MSG_LINK, "SGMII\n");
5977
5978		bnx2x_initialize_sgmii_process(phy, params, vars);
5979	}
5980}
5981
5982static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5983			  struct link_params *params,
5984			  struct link_vars *vars)
5985{
5986	int rc;
5987	vars->phy_flags |= PHY_XGXS_FLAG;
5988	if ((phy->req_line_speed &&
5989	     ((phy->req_line_speed == SPEED_100) ||
5990	      (phy->req_line_speed == SPEED_10))) ||
5991	    (!phy->req_line_speed &&
5992	     (phy->speed_cap_mask >=
5993	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5994	     (phy->speed_cap_mask <
5995	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5996	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5997		vars->phy_flags |= PHY_SGMII_FLAG;
5998	else
5999		vars->phy_flags &= ~PHY_SGMII_FLAG;
6000
6001	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6002	bnx2x_set_aer_mmd(params, phy);
6003	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
6004		bnx2x_set_master_ln(params, phy);
6005
6006	rc = bnx2x_reset_unicore(params, phy, 0);
6007	/* Reset the SerDes and wait for reset bit return low */
6008	if (rc)
6009		return rc;
6010
6011	bnx2x_set_aer_mmd(params, phy);
6012	/* Setting the masterLn_def again after the reset */
6013	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6014		bnx2x_set_master_ln(params, phy);
6015		bnx2x_set_swap_lanes(params, phy);
6016	}
6017
6018	return rc;
6019}
6020
6021static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
6022				     struct bnx2x_phy *phy,
6023				     struct link_params *params)
6024{
6025	u16 cnt, ctrl;
6026	/* Wait for soft reset to get cleared up to 1 sec */
6027	for (cnt = 0; cnt < 1000; cnt++) {
6028		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6029			bnx2x_cl22_read(bp, phy,
6030				MDIO_PMA_REG_CTRL, &ctrl);
6031		else
6032			bnx2x_cl45_read(bp, phy,
6033				MDIO_PMA_DEVAD,
6034				MDIO_PMA_REG_CTRL, &ctrl);
6035		if (!(ctrl & (1<<15)))
6036			break;
6037		usleep_range(1000, 2000);
6038	}
6039
6040	if (cnt == 1000)
6041		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
6042				      " Port %d\n",
6043			 params->port);
6044	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6045	return cnt;
6046}
6047
6048static void bnx2x_link_int_enable(struct link_params *params)
6049{
6050	u8 port = params->port;
6051	u32 mask;
6052	struct bnx2x *bp = params->bp;
6053
6054	/* Setting the status to report on link up for either XGXS or SerDes */
6055	if (CHIP_IS_E3(bp)) {
6056		mask = NIG_MASK_XGXS0_LINK_STATUS;
6057		if (!(SINGLE_MEDIA_DIRECT(params)))
6058			mask |= NIG_MASK_MI_INT;
6059	} else if (params->switch_cfg == SWITCH_CFG_10G) {
6060		mask = (NIG_MASK_XGXS0_LINK10G |
6061			NIG_MASK_XGXS0_LINK_STATUS);
6062		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6063		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6064			params->phy[INT_PHY].type !=
6065				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6066			mask |= NIG_MASK_MI_INT;
6067			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6068		}
6069
6070	} else { /* SerDes */
6071		mask = NIG_MASK_SERDES0_LINK_STATUS;
6072		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6073		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6074			params->phy[INT_PHY].type !=
6075				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6076			mask |= NIG_MASK_MI_INT;
6077			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6078		}
6079	}
6080	bnx2x_bits_en(bp,
6081		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6082		      mask);
6083
6084	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6085		 (params->switch_cfg == SWITCH_CFG_10G),
6086		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6087	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6088		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6089		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6090		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6091	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6092	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6093	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6094}
6095
6096static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6097				     u8 exp_mi_int)
6098{
6099	u32 latch_status = 0;
6100
6101	/* Disable the MI INT ( external phy int ) by writing 1 to the
6102	 * status register. Link down indication is high-active-signal,
6103	 * so in this case we need to write the status to clear the XOR
6104	 */
6105	/* Read Latched signals */
6106	latch_status = REG_RD(bp,
6107				    NIG_REG_LATCH_STATUS_0 + port*8);
6108	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6109	/* Handle only those with latched-signal=up.*/
6110	if (exp_mi_int)
6111		bnx2x_bits_en(bp,
6112			      NIG_REG_STATUS_INTERRUPT_PORT0
6113			      + port*4,
6114			      NIG_STATUS_EMAC0_MI_INT);
6115	else
6116		bnx2x_bits_dis(bp,
6117			       NIG_REG_STATUS_INTERRUPT_PORT0
6118			       + port*4,
6119			       NIG_STATUS_EMAC0_MI_INT);
6120
6121	if (latch_status & 1) {
6122
6123		/* For all latched-signal=up : Re-Arm Latch signals */
6124		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6125		       (latch_status & 0xfffe) | (latch_status & 1));
6126	}
6127	/* For all latched-signal=up,Write original_signal to status */
6128}
6129
6130static void bnx2x_link_int_ack(struct link_params *params,
6131			       struct link_vars *vars, u8 is_10g_plus)
6132{
6133	struct bnx2x *bp = params->bp;
6134	u8 port = params->port;
6135	u32 mask;
6136	/* First reset all status we assume only one line will be
6137	 * change at a time
6138	 */
6139	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6140		       (NIG_STATUS_XGXS0_LINK10G |
6141			NIG_STATUS_XGXS0_LINK_STATUS |
6142			NIG_STATUS_SERDES0_LINK_STATUS));
6143	if (vars->phy_link_up) {
6144		if (USES_WARPCORE(bp))
6145			mask = NIG_STATUS_XGXS0_LINK_STATUS;
6146		else {
6147			if (is_10g_plus)
6148				mask = NIG_STATUS_XGXS0_LINK10G;
6149			else if (params->switch_cfg == SWITCH_CFG_10G) {
6150				/* Disable the link interrupt by writing 1 to
6151				 * the relevant lane in the status register
6152				 */
6153				u32 ser_lane =
6154					((params->lane_config &
6155				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6156				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6157				mask = ((1 << ser_lane) <<
6158				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6159			} else
6160				mask = NIG_STATUS_SERDES0_LINK_STATUS;
6161		}
6162		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6163			       mask);
6164		bnx2x_bits_en(bp,
6165			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6166			      mask);
6167	}
6168}
6169
6170static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6171{
6172	u8 *str_ptr = str;
6173	u32 mask = 0xf0000000;
6174	u8 shift = 8*4;
6175	u8 digit;
6176	u8 remove_leading_zeros = 1;
6177	if (*len < 10) {
6178		/* Need more than 10chars for this format */
6179		*str_ptr = '\0';
6180		(*len)--;
6181		return -EINVAL;
6182	}
6183	while (shift > 0) {
6184
6185		shift -= 4;
6186		digit = ((num & mask) >> shift);
6187		if (digit == 0 && remove_leading_zeros) {
6188			mask = mask >> 4;
6189			continue;
6190		} else if (digit < 0xa)
6191			*str_ptr = digit + '0';
6192		else
6193			*str_ptr = digit - 0xa + 'a';
6194		remove_leading_zeros = 0;
6195		str_ptr++;
6196		(*len)--;
6197		mask = mask >> 4;
6198		if (shift == 4*4) {
6199			*str_ptr = '.';
6200			str_ptr++;
6201			(*len)--;
6202			remove_leading_zeros = 1;
6203		}
6204	}
6205	return 0;
6206}
6207
6208
6209static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6210{
6211	str[0] = '\0';
6212	(*len)--;
6213	return 0;
6214}
6215
6216int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6217				 u16 len)
6218{
6219	struct bnx2x *bp;
6220	u32 spirom_ver = 0;
6221	int status = 0;
6222	u8 *ver_p = version;
6223	u16 remain_len = len;
6224	if (version == NULL || params == NULL)
6225		return -EINVAL;
6226	bp = params->bp;
6227
6228	/* Extract first external phy*/
6229	version[0] = '\0';
6230	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6231
6232	if (params->phy[EXT_PHY1].format_fw_ver) {
6233		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6234							      ver_p,
6235							      &remain_len);
6236		ver_p += (len - remain_len);
6237	}
6238	if ((params->num_phys == MAX_PHYS) &&
6239	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6240		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6241		if (params->phy[EXT_PHY2].format_fw_ver) {
6242			*ver_p = '/';
6243			ver_p++;
6244			remain_len--;
6245			status |= params->phy[EXT_PHY2].format_fw_ver(
6246				spirom_ver,
6247				ver_p,
6248				&remain_len);
6249			ver_p = version + (len - remain_len);
6250		}
6251	}
6252	*ver_p = '\0';
6253	return status;
6254}
6255
6256static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6257				    struct link_params *params)
6258{
6259	u8 port = params->port;
6260	struct bnx2x *bp = params->bp;
6261
6262	if (phy->req_line_speed != SPEED_1000) {
6263		u32 md_devad = 0;
6264
6265		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6266
6267		if (!CHIP_IS_E3(bp)) {
6268			/* Change the uni_phy_addr in the nig */
6269			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6270					       port*0x18));
6271
6272			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6273			       0x5);
6274		}
6275
6276		bnx2x_cl45_write(bp, phy,
6277				 5,
6278				 (MDIO_REG_BANK_AER_BLOCK +
6279				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6280				 0x2800);
6281
6282		bnx2x_cl45_write(bp, phy,
6283				 5,
6284				 (MDIO_REG_BANK_CL73_IEEEB0 +
6285				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6286				 0x6041);
6287		msleep(200);
6288		/* Set aer mmd back */
6289		bnx2x_set_aer_mmd(params, phy);
6290
6291		if (!CHIP_IS_E3(bp)) {
6292			/* And md_devad */
6293			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6294			       md_devad);
6295		}
6296	} else {
6297		u16 mii_ctrl;
6298		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6299		bnx2x_cl45_read(bp, phy, 5,
6300				(MDIO_REG_BANK_COMBO_IEEE0 +
6301				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6302				&mii_ctrl);
6303		bnx2x_cl45_write(bp, phy, 5,
6304				 (MDIO_REG_BANK_COMBO_IEEE0 +
6305				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6306				 mii_ctrl |
6307				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6308	}
6309}
6310
6311int bnx2x_set_led(struct link_params *params,
6312		  struct link_vars *vars, u8 mode, u32 speed)
6313{
6314	u8 port = params->port;
6315	u16 hw_led_mode = params->hw_led_mode;
6316	int rc = 0;
6317	u8 phy_idx;
6318	u32 tmp;
6319	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6320	struct bnx2x *bp = params->bp;
6321	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6322	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6323		 speed, hw_led_mode);
6324	/* In case */
6325	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6326		if (params->phy[phy_idx].set_link_led) {
6327			params->phy[phy_idx].set_link_led(
6328				&params->phy[phy_idx], params, mode);
6329		}
6330	}
6331
6332	switch (mode) {
6333	case LED_MODE_FRONT_PANEL_OFF:
6334	case LED_MODE_OFF:
6335		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6336		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6337		       SHARED_HW_CFG_LED_MAC1);
6338
6339		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6340		if (params->phy[EXT_PHY1].type ==
6341			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6342			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6343				EMAC_LED_100MB_OVERRIDE |
6344				EMAC_LED_10MB_OVERRIDE);
6345		else
6346			tmp |= EMAC_LED_OVERRIDE;
6347
6348		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6349		break;
6350
6351	case LED_MODE_OPER:
6352		/* For all other phys, OPER mode is same as ON, so in case
6353		 * link is down, do nothing
6354		 */
6355		if (!vars->link_up)
6356			break;
6357	case LED_MODE_ON:
6358		if (((params->phy[EXT_PHY1].type ==
6359			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6360			 (params->phy[EXT_PHY1].type ==
6361			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6362		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6363			/* This is a work-around for E2+8727 Configurations */
6364			if (mode == LED_MODE_ON ||
6365				speed == SPEED_10000){
6366				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6367				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6368
6369				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6370				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6371					(tmp | EMAC_LED_OVERRIDE));
6372				/* Return here without enabling traffic
6373				 * LED blink and setting rate in ON mode.
6374				 * In oper mode, enabling LED blink
6375				 * and setting rate is needed.
6376				 */
6377				if (mode == LED_MODE_ON)
6378					return rc;
6379			}
6380		} else if (SINGLE_MEDIA_DIRECT(params)) {
6381			/* This is a work-around for HW issue found when link
6382			 * is up in CL73
6383			 */
6384			if ((!CHIP_IS_E3(bp)) ||
6385			    (CHIP_IS_E3(bp) &&
6386			     mode == LED_MODE_ON))
6387				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6388
6389			if (CHIP_IS_E1x(bp) ||
6390			    CHIP_IS_E2(bp) ||
6391			    (mode == LED_MODE_ON))
6392				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6393			else
6394				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6395				       hw_led_mode);
6396		} else if ((params->phy[EXT_PHY1].type ==
6397			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6398			   (mode == LED_MODE_ON)) {
6399			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6400			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6401			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6402				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6403			/* Break here; otherwise, it'll disable the
6404			 * intended override.
6405			 */
6406			break;
6407		} else {
6408			u32 nig_led_mode = ((params->hw_led_mode <<
6409					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
6410					    SHARED_HW_CFG_LED_EXTPHY2) ?
6411				(SHARED_HW_CFG_LED_PHY1 >>
6412				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6413			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6414			       nig_led_mode);
6415		}
6416
6417		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6418		/* Set blinking rate to ~15.9Hz */
6419		if (CHIP_IS_E3(bp))
6420			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6421			       LED_BLINK_RATE_VAL_E3);
6422		else
6423			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6424			       LED_BLINK_RATE_VAL_E1X_E2);
6425		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6426		       port*4, 1);
6427		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6428		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6429			(tmp & (~EMAC_LED_OVERRIDE)));
6430
6431		if (CHIP_IS_E1(bp) &&
6432		    ((speed == SPEED_2500) ||
6433		     (speed == SPEED_1000) ||
6434		     (speed == SPEED_100) ||
6435		     (speed == SPEED_10))) {
6436			/* For speeds less than 10G LED scheme is different */
6437			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6438			       + port*4, 1);
6439			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6440			       port*4, 0);
6441			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6442			       port*4, 1);
6443		}
6444		break;
6445
6446	default:
6447		rc = -EINVAL;
6448		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6449			 mode);
6450		break;
6451	}
6452	return rc;
6453
6454}
6455
6456/* This function comes to reflect the actual link state read DIRECTLY from the
6457 * HW
6458 */
6459int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6460		    u8 is_serdes)
6461{
6462	struct bnx2x *bp = params->bp;
6463	u16 gp_status = 0, phy_index = 0;
6464	u8 ext_phy_link_up = 0, serdes_phy_type;
6465	struct link_vars temp_vars;
6466	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6467
6468	if (CHIP_IS_E3(bp)) {
6469		u16 link_up;
6470		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6471		    > SPEED_10000) {
6472			/* Check 20G link */
6473			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6474					1, &link_up);
6475			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6476					1, &link_up);
6477			link_up &= (1<<2);
6478		} else {
6479			/* Check 10G link and below*/
6480			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6481			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6482					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6483					&gp_status);
6484			gp_status = ((gp_status >> 8) & 0xf) |
6485				((gp_status >> 12) & 0xf);
6486			link_up = gp_status & (1 << lane);
6487		}
6488		if (!link_up)
6489			return -ESRCH;
6490	} else {
6491		CL22_RD_OVER_CL45(bp, int_phy,
6492			  MDIO_REG_BANK_GP_STATUS,
6493			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6494			  &gp_status);
6495	/* Link is up only if both local phy and external phy are up */
6496	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6497		return -ESRCH;
6498	}
6499	/* In XGXS loopback mode, do not check external PHY */
6500	if (params->loopback_mode == LOOPBACK_XGXS)
6501		return 0;
6502
6503	switch (params->num_phys) {
6504	case 1:
6505		/* No external PHY */
6506		return 0;
6507	case 2:
6508		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6509			&params->phy[EXT_PHY1],
6510			params, &temp_vars);
6511		break;
6512	case 3: /* Dual Media */
6513		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6514		      phy_index++) {
6515			serdes_phy_type = ((params->phy[phy_index].media_type ==
6516					    ETH_PHY_SFPP_10G_FIBER) ||
6517					   (params->phy[phy_index].media_type ==
6518					    ETH_PHY_SFP_1G_FIBER) ||
6519					   (params->phy[phy_index].media_type ==
6520					    ETH_PHY_XFP_FIBER) ||
6521					   (params->phy[phy_index].media_type ==
6522					    ETH_PHY_DA_TWINAX));
6523
6524			if (is_serdes != serdes_phy_type)
6525				continue;
6526			if (params->phy[phy_index].read_status) {
6527				ext_phy_link_up |=
6528					params->phy[phy_index].read_status(
6529						&params->phy[phy_index],
6530						params, &temp_vars);
6531			}
6532		}
6533		break;
6534	}
6535	if (ext_phy_link_up)
6536		return 0;
6537	return -ESRCH;
6538}
6539
6540static int bnx2x_link_initialize(struct link_params *params,
6541				 struct link_vars *vars)
6542{
6543	u8 phy_index, non_ext_phy;
6544	struct bnx2x *bp = params->bp;
6545	/* In case of external phy existence, the line speed would be the
6546	 * line speed linked up by the external phy. In case it is direct
6547	 * only, then the line_speed during initialization will be
6548	 * equal to the req_line_speed
6549	 */
6550	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6551
6552	/* Initialize the internal phy in case this is a direct board
6553	 * (no external phys), or this board has external phy which requires
6554	 * to first.
6555	 */
6556	if (!USES_WARPCORE(bp))
6557		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6558	/* init ext phy and enable link state int */
6559	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6560		       (params->loopback_mode == LOOPBACK_XGXS));
6561
6562	if (non_ext_phy ||
6563	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6564	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6565		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6566		if (vars->line_speed == SPEED_AUTO_NEG &&
6567		    (CHIP_IS_E1x(bp) ||
6568		     CHIP_IS_E2(bp)))
6569			bnx2x_set_parallel_detection(phy, params);
6570		if (params->phy[INT_PHY].config_init)
6571			params->phy[INT_PHY].config_init(phy, params, vars);
6572	}
6573
6574	/* Re-read this value in case it was changed inside config_init due to
6575	 * limitations of optic module
6576	 */
6577	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6578
6579	/* Init external phy*/
6580	if (non_ext_phy) {
6581		if (params->phy[INT_PHY].supported &
6582		    SUPPORTED_FIBRE)
6583			vars->link_status |= LINK_STATUS_SERDES_LINK;
6584	} else {
6585		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6586		      phy_index++) {
6587			/* No need to initialize second phy in case of first
6588			 * phy only selection. In case of second phy, we do
6589			 * need to initialize the first phy, since they are
6590			 * connected.
6591			 */
6592			if (params->phy[phy_index].supported &
6593			    SUPPORTED_FIBRE)
6594				vars->link_status |= LINK_STATUS_SERDES_LINK;
6595
6596			if (phy_index == EXT_PHY2 &&
6597			    (bnx2x_phy_selection(params) ==
6598			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6599				DP(NETIF_MSG_LINK,
6600				   "Not initializing second phy\n");
6601				continue;
6602			}
6603			params->phy[phy_index].config_init(
6604				&params->phy[phy_index],
6605				params, vars);
6606		}
6607	}
6608	/* Reset the interrupt indication after phy was initialized */
6609	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6610		       params->port*4,
6611		       (NIG_STATUS_XGXS0_LINK10G |
6612			NIG_STATUS_XGXS0_LINK_STATUS |
6613			NIG_STATUS_SERDES0_LINK_STATUS |
6614			NIG_MASK_MI_INT));
6615	return 0;
6616}
6617
6618static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6619				 struct link_params *params)
6620{
6621	/* Reset the SerDes/XGXS */
6622	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6623	       (0x1ff << (params->port*16)));
6624}
6625
6626static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6627					struct link_params *params)
6628{
6629	struct bnx2x *bp = params->bp;
6630	u8 gpio_port;
6631	/* HW reset */
6632	if (CHIP_IS_E2(bp))
6633		gpio_port = BP_PATH(bp);
6634	else
6635		gpio_port = params->port;
6636	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6637		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6638		       gpio_port);
6639	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6640		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6641		       gpio_port);
6642	DP(NETIF_MSG_LINK, "reset external PHY\n");
6643}
6644
6645static int bnx2x_update_link_down(struct link_params *params,
6646				  struct link_vars *vars)
6647{
6648	struct bnx2x *bp = params->bp;
6649	u8 port = params->port;
6650
6651	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6652	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6653	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6654	/* Indicate no mac active */
6655	vars->mac_type = MAC_TYPE_NONE;
6656
6657	/* Update shared memory */
6658	vars->link_status &= ~LINK_UPDATE_MASK;
6659	vars->line_speed = 0;
6660	bnx2x_update_mng(params, vars->link_status);
6661
6662	/* Activate nig drain */
6663	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6664
6665	/* Disable emac */
6666	if (!CHIP_IS_E3(bp))
6667		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6668
6669	usleep_range(10000, 20000);
6670	/* Reset BigMac/Xmac */
6671	if (CHIP_IS_E1x(bp) ||
6672	    CHIP_IS_E2(bp))
6673		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6674
6675	if (CHIP_IS_E3(bp)) {
6676		/* Prevent LPI Generation by chip */
6677		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6678		       0);
6679		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6680		       0);
6681		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6682				      SHMEM_EEE_ACTIVE_BIT);
6683
6684		bnx2x_update_mng_eee(params, vars->eee_status);
6685		bnx2x_set_xmac_rxtx(params, 0);
6686		bnx2x_set_umac_rxtx(params, 0);
6687	}
6688
6689	return 0;
6690}
6691
6692static int bnx2x_update_link_up(struct link_params *params,
6693				struct link_vars *vars,
6694				u8 link_10g)
6695{
6696	struct bnx2x *bp = params->bp;
6697	u8 phy_idx, port = params->port;
6698	int rc = 0;
6699
6700	vars->link_status |= (LINK_STATUS_LINK_UP |
6701			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6702	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6703
6704	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6705		vars->link_status |=
6706			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6707
6708	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6709		vars->link_status |=
6710			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6711	if (USES_WARPCORE(bp)) {
6712		if (link_10g) {
6713			if (bnx2x_xmac_enable(params, vars, 0) ==
6714			    -ESRCH) {
6715				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6716				vars->link_up = 0;
6717				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6718				vars->link_status &= ~LINK_STATUS_LINK_UP;
6719			}
6720		} else
6721			bnx2x_umac_enable(params, vars, 0);
6722		bnx2x_set_led(params, vars,
6723			      LED_MODE_OPER, vars->line_speed);
6724
6725		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6726		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6727			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6728			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6729			       (params->port << 2), 1);
6730			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6731			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6732			       (params->port << 2), 0xfc20);
6733		}
6734	}
6735	if ((CHIP_IS_E1x(bp) ||
6736	     CHIP_IS_E2(bp))) {
6737		if (link_10g) {
6738			if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6739			    -ESRCH) {
6740				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6741				vars->link_up = 0;
6742				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6743				vars->link_status &= ~LINK_STATUS_LINK_UP;
6744			}
6745
6746			bnx2x_set_led(params, vars,
6747				      LED_MODE_OPER, SPEED_10000);
6748		} else {
6749			rc = bnx2x_emac_program(params, vars);
6750			bnx2x_emac_enable(params, vars, 0);
6751
6752			/* AN complete? */
6753			if ((vars->link_status &
6754			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6755			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6756			    SINGLE_MEDIA_DIRECT(params))
6757				bnx2x_set_gmii_tx_driver(params);
6758		}
6759	}
6760
6761	/* PBF - link up */
6762	if (CHIP_IS_E1x(bp))
6763		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6764				       vars->line_speed);
6765
6766	/* Disable drain */
6767	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6768
6769	/* Update shared memory */
6770	bnx2x_update_mng(params, vars->link_status);
6771	bnx2x_update_mng_eee(params, vars->eee_status);
6772	/* Check remote fault */
6773	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6774		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6775			bnx2x_check_half_open_conn(params, vars, 0);
6776			break;
6777		}
6778	}
6779	msleep(20);
6780	return rc;
6781}
6782
6783static void bnx2x_chng_link_count(struct link_params *params, bool clear)
6784{
6785	struct bnx2x *bp = params->bp;
6786	u32 addr, val;
6787
6788	/* Verify the link_change_count is supported by the MFW */
6789	if (!(SHMEM2_HAS(bp, link_change_count)))
6790		return;
6791
6792	addr = params->shmem2_base +
6793		offsetof(struct shmem2_region, link_change_count[params->port]);
6794	if (clear)
6795		val = 0;
6796	else
6797		val = REG_RD(bp, addr) + 1;
6798	REG_WR(bp, addr, val);
6799}
6800
6801/* The bnx2x_link_update function should be called upon link
6802 * interrupt.
6803 * Link is considered up as follows:
6804 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6805 *   to be up
6806 * - SINGLE_MEDIA - The link between the 577xx and the external
6807 *   phy (XGXS) need to up as well as the external link of the
6808 *   phy (PHY_EXT1)
6809 * - DUAL_MEDIA - The link between the 577xx and the first
6810 *   external phy needs to be up, and at least one of the 2
6811 *   external phy link must be up.
6812 */
6813int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6814{
6815	struct bnx2x *bp = params->bp;
6816	struct link_vars phy_vars[MAX_PHYS];
6817	u8 port = params->port;
6818	u8 link_10g_plus, phy_index;
6819	u32 prev_link_status = vars->link_status;
6820	u8 ext_phy_link_up = 0, cur_link_up;
6821	int rc = 0;
6822	u8 is_mi_int = 0;
6823	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6824	u8 active_external_phy = INT_PHY;
6825	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6826	vars->link_status &= ~LINK_UPDATE_MASK;
6827	for (phy_index = INT_PHY; phy_index < params->num_phys;
6828	      phy_index++) {
6829		phy_vars[phy_index].flow_ctrl = 0;
6830		phy_vars[phy_index].link_status = 0;
6831		phy_vars[phy_index].line_speed = 0;
6832		phy_vars[phy_index].duplex = DUPLEX_FULL;
6833		phy_vars[phy_index].phy_link_up = 0;
6834		phy_vars[phy_index].link_up = 0;
6835		phy_vars[phy_index].fault_detected = 0;
6836		/* different consideration, since vars holds inner state */
6837		phy_vars[phy_index].eee_status = vars->eee_status;
6838	}
6839
6840	if (USES_WARPCORE(bp))
6841		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6842
6843	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6844		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6845		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6846
6847	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6848				port*0x18) > 0);
6849	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6850		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6851		 is_mi_int,
6852		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6853
6854	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6855	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6856	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6857
6858	/* Disable emac */
6859	if (!CHIP_IS_E3(bp))
6860		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6861
6862	/* Step 1:
6863	 * Check external link change only for external phys, and apply
6864	 * priority selection between them in case the link on both phys
6865	 * is up. Note that instead of the common vars, a temporary
6866	 * vars argument is used since each phy may have different link/
6867	 * speed/duplex result
6868	 */
6869	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6870	      phy_index++) {
6871		struct bnx2x_phy *phy = &params->phy[phy_index];
6872		if (!phy->read_status)
6873			continue;
6874		/* Read link status and params of this ext phy */
6875		cur_link_up = phy->read_status(phy, params,
6876					       &phy_vars[phy_index]);
6877		if (cur_link_up) {
6878			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6879				   phy_index);
6880		} else {
6881			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6882				   phy_index);
6883			continue;
6884		}
6885
6886		if (!ext_phy_link_up) {
6887			ext_phy_link_up = 1;
6888			active_external_phy = phy_index;
6889		} else {
6890			switch (bnx2x_phy_selection(params)) {
6891			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6892			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6893			/* In this option, the first PHY makes sure to pass the
6894			 * traffic through itself only.
6895			 * Its not clear how to reset the link on the second phy
6896			 */
6897				active_external_phy = EXT_PHY1;
6898				break;
6899			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6900			/* In this option, the first PHY makes sure to pass the
6901			 * traffic through the second PHY.
6902			 */
6903				active_external_phy = EXT_PHY2;
6904				break;
6905			default:
6906			/* Link indication on both PHYs with the following cases
6907			 * is invalid:
6908			 * - FIRST_PHY means that second phy wasn't initialized,
6909			 * hence its link is expected to be down
6910			 * - SECOND_PHY means that first phy should not be able
6911			 * to link up by itself (using configuration)
6912			 * - DEFAULT should be overriden during initialiazation
6913			 */
6914				DP(NETIF_MSG_LINK, "Invalid link indication"
6915					   "mpc=0x%x. DISABLING LINK !!!\n",
6916					   params->multi_phy_config);
6917				ext_phy_link_up = 0;
6918				break;
6919			}
6920		}
6921	}
6922	prev_line_speed = vars->line_speed;
6923	/* Step 2:
6924	 * Read the status of the internal phy. In case of
6925	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6926	 * otherwise this is the link between the 577xx and the first
6927	 * external phy
6928	 */
6929	if (params->phy[INT_PHY].read_status)
6930		params->phy[INT_PHY].read_status(
6931			&params->phy[INT_PHY],
6932			params, vars);
6933	/* The INT_PHY flow control reside in the vars. This include the
6934	 * case where the speed or flow control are not set to AUTO.
6935	 * Otherwise, the active external phy flow control result is set
6936	 * to the vars. The ext_phy_line_speed is needed to check if the
6937	 * speed is different between the internal phy and external phy.
6938	 * This case may be result of intermediate link speed change.
6939	 */
6940	if (active_external_phy > INT_PHY) {
6941		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6942		/* Link speed is taken from the XGXS. AN and FC result from
6943		 * the external phy.
6944		 */
6945		vars->link_status |= phy_vars[active_external_phy].link_status;
6946
6947		/* if active_external_phy is first PHY and link is up - disable
6948		 * disable TX on second external PHY
6949		 */
6950		if (active_external_phy == EXT_PHY1) {
6951			if (params->phy[EXT_PHY2].phy_specific_func) {
6952				DP(NETIF_MSG_LINK,
6953				   "Disabling TX on EXT_PHY2\n");
6954				params->phy[EXT_PHY2].phy_specific_func(
6955					&params->phy[EXT_PHY2],
6956					params, DISABLE_TX);
6957			}
6958		}
6959
6960		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6961		vars->duplex = phy_vars[active_external_phy].duplex;
6962		if (params->phy[active_external_phy].supported &
6963		    SUPPORTED_FIBRE)
6964			vars->link_status |= LINK_STATUS_SERDES_LINK;
6965		else
6966			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6967
6968		vars->eee_status = phy_vars[active_external_phy].eee_status;
6969
6970		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6971			   active_external_phy);
6972	}
6973
6974	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6975	      phy_index++) {
6976		if (params->phy[phy_index].flags &
6977		    FLAGS_REARM_LATCH_SIGNAL) {
6978			bnx2x_rearm_latch_signal(bp, port,
6979						 phy_index ==
6980						 active_external_phy);
6981			break;
6982		}
6983	}
6984	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6985		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6986		   vars->link_status, ext_phy_line_speed);
6987	/* Upon link speed change set the NIG into drain mode. Comes to
6988	 * deals with possible FIFO glitch due to clk change when speed
6989	 * is decreased without link down indicator
6990	 */
6991
6992	if (vars->phy_link_up) {
6993		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6994		    (ext_phy_line_speed != vars->line_speed)) {
6995			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6996				   " different than the external"
6997				   " link speed %d\n", vars->line_speed,
6998				   ext_phy_line_speed);
6999			vars->phy_link_up = 0;
7000		} else if (prev_line_speed != vars->line_speed) {
7001			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
7002			       0);
7003			usleep_range(1000, 2000);
7004		}
7005	}
7006
7007	/* Anything 10 and over uses the bmac */
7008	link_10g_plus = (vars->line_speed >= SPEED_10000);
7009
7010	bnx2x_link_int_ack(params, vars, link_10g_plus);
7011
7012	/* In case external phy link is up, and internal link is down
7013	 * (not initialized yet probably after link initialization, it
7014	 * needs to be initialized.
7015	 * Note that after link down-up as result of cable plug, the xgxs
7016	 * link would probably become up again without the need
7017	 * initialize it
7018	 */
7019	if (!(SINGLE_MEDIA_DIRECT(params))) {
7020		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
7021			   " init_preceding = %d\n", ext_phy_link_up,
7022			   vars->phy_link_up,
7023			   params->phy[EXT_PHY1].flags &
7024			   FLAGS_INIT_XGXS_FIRST);
7025		if (!(params->phy[EXT_PHY1].flags &
7026		      FLAGS_INIT_XGXS_FIRST)
7027		    && ext_phy_link_up && !vars->phy_link_up) {
7028			vars->line_speed = ext_phy_line_speed;
7029			if (vars->line_speed < SPEED_1000)
7030				vars->phy_flags |= PHY_SGMII_FLAG;
7031			else
7032				vars->phy_flags &= ~PHY_SGMII_FLAG;
7033
7034			if (params->phy[INT_PHY].config_init)
7035				params->phy[INT_PHY].config_init(
7036					&params->phy[INT_PHY], params,
7037						vars);
7038		}
7039	}
7040	/* Link is up only if both local phy and external phy (in case of
7041	 * non-direct board) are up and no fault detected on active PHY.
7042	 */
7043	vars->link_up = (vars->phy_link_up &&
7044			 (ext_phy_link_up ||
7045			  SINGLE_MEDIA_DIRECT(params)) &&
7046			 (phy_vars[active_external_phy].fault_detected == 0));
7047
7048	/* Update the PFC configuration in case it was changed */
7049	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
7050		vars->link_status |= LINK_STATUS_PFC_ENABLED;
7051	else
7052		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7053
7054	if (vars->link_up)
7055		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
7056	else
7057		rc = bnx2x_update_link_down(params, vars);
7058
7059	if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
7060		bnx2x_chng_link_count(params, false);
7061
7062	/* Update MCP link status was changed */
7063	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7064		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7065
7066	return rc;
7067}
7068
7069/*****************************************************************************/
7070/*			    External Phy section			     */
7071/*****************************************************************************/
7072void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7073{
7074	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7075		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7076	usleep_range(1000, 2000);
7077	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7078		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7079}
7080
7081static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7082				      u32 spirom_ver, u32 ver_addr)
7083{
7084	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7085		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7086
7087	if (ver_addr)
7088		REG_WR(bp, ver_addr, spirom_ver);
7089}
7090
7091static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7092				      struct bnx2x_phy *phy,
7093				      u8 port)
7094{
7095	u16 fw_ver1, fw_ver2;
7096
7097	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7098			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7099	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7100			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7101	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7102				  phy->ver_addr);
7103}
7104
7105static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7106				       struct bnx2x_phy *phy,
7107				       struct link_vars *vars)
7108{
7109	u16 val;
7110	bnx2x_cl45_read(bp, phy,
7111			MDIO_AN_DEVAD,
7112			MDIO_AN_REG_STATUS, &val);
7113	bnx2x_cl45_read(bp, phy,
7114			MDIO_AN_DEVAD,
7115			MDIO_AN_REG_STATUS, &val);
7116	if (val & (1<<5))
7117		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7118	if ((val & (1<<0)) == 0)
7119		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7120}
7121
7122/******************************************************************/
7123/*		common BCM8073/BCM8727 PHY SECTION		  */
7124/******************************************************************/
7125static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7126				  struct link_params *params,
7127				  struct link_vars *vars)
7128{
7129	struct bnx2x *bp = params->bp;
7130	if (phy->req_line_speed == SPEED_10 ||
7131	    phy->req_line_speed == SPEED_100) {
7132		vars->flow_ctrl = phy->req_flow_ctrl;
7133		return;
7134	}
7135
7136	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7137	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7138		u16 pause_result;
7139		u16 ld_pause;		/* local */
7140		u16 lp_pause;		/* link partner */
7141		bnx2x_cl45_read(bp, phy,
7142				MDIO_AN_DEVAD,
7143				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7144
7145		bnx2x_cl45_read(bp, phy,
7146				MDIO_AN_DEVAD,
7147				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7148		pause_result = (ld_pause &
7149				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7150		pause_result |= (lp_pause &
7151				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7152
7153		bnx2x_pause_resolve(phy, params, vars, pause_result);
7154		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7155			   pause_result);
7156	}
7157}
7158static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7159					     struct bnx2x_phy *phy,
7160					     u8 port)
7161{
7162	u32 count = 0;
7163	u16 fw_ver1, fw_msgout;
7164	int rc = 0;
7165
7166	/* Boot port from external ROM  */
7167	/* EDC grst */
7168	bnx2x_cl45_write(bp, phy,
7169			 MDIO_PMA_DEVAD,
7170			 MDIO_PMA_REG_GEN_CTRL,
7171			 0x0001);
7172
7173	/* Ucode reboot and rst */
7174	bnx2x_cl45_write(bp, phy,
7175			 MDIO_PMA_DEVAD,
7176			 MDIO_PMA_REG_GEN_CTRL,
7177			 0x008c);
7178
7179	bnx2x_cl45_write(bp, phy,
7180			 MDIO_PMA_DEVAD,
7181			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7182
7183	/* Reset internal microprocessor */
7184	bnx2x_cl45_write(bp, phy,
7185			 MDIO_PMA_DEVAD,
7186			 MDIO_PMA_REG_GEN_CTRL,
7187			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7188
7189	/* Release srst bit */
7190	bnx2x_cl45_write(bp, phy,
7191			 MDIO_PMA_DEVAD,
7192			 MDIO_PMA_REG_GEN_CTRL,
7193			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7194
7195	/* Delay 100ms per the PHY specifications */
7196	msleep(100);
7197
7198	/* 8073 sometimes taking longer to download */
7199	do {
7200		count++;
7201		if (count > 300) {
7202			DP(NETIF_MSG_LINK,
7203				 "bnx2x_8073_8727_external_rom_boot port %x:"
7204				 "Download failed. fw version = 0x%x\n",
7205				 port, fw_ver1);
7206			rc = -EINVAL;
7207			break;
7208		}
7209
7210		bnx2x_cl45_read(bp, phy,
7211				MDIO_PMA_DEVAD,
7212				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7213		bnx2x_cl45_read(bp, phy,
7214				MDIO_PMA_DEVAD,
7215				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7216
7217		usleep_range(1000, 2000);
7218	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7219			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7220			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7221
7222	/* Clear ser_boot_ctl bit */
7223	bnx2x_cl45_write(bp, phy,
7224			 MDIO_PMA_DEVAD,
7225			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7226	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7227
7228	DP(NETIF_MSG_LINK,
7229		 "bnx2x_8073_8727_external_rom_boot port %x:"
7230		 "Download complete. fw version = 0x%x\n",
7231		 port, fw_ver1);
7232
7233	return rc;
7234}
7235
7236/******************************************************************/
7237/*			BCM8073 PHY SECTION			  */
7238/******************************************************************/
7239static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7240{
7241	/* This is only required for 8073A1, version 102 only */
7242	u16 val;
7243
7244	/* Read 8073 HW revision*/
7245	bnx2x_cl45_read(bp, phy,
7246			MDIO_PMA_DEVAD,
7247			MDIO_PMA_REG_8073_CHIP_REV, &val);
7248
7249	if (val != 1) {
7250		/* No need to workaround in 8073 A1 */
7251		return 0;
7252	}
7253
7254	bnx2x_cl45_read(bp, phy,
7255			MDIO_PMA_DEVAD,
7256			MDIO_PMA_REG_ROM_VER2, &val);
7257
7258	/* SNR should be applied only for version 0x102 */
7259	if (val != 0x102)
7260		return 0;
7261
7262	return 1;
7263}
7264
7265static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7266{
7267	u16 val, cnt, cnt1 ;
7268
7269	bnx2x_cl45_read(bp, phy,
7270			MDIO_PMA_DEVAD,
7271			MDIO_PMA_REG_8073_CHIP_REV, &val);
7272
7273	if (val > 0) {
7274		/* No need to workaround in 8073 A1 */
7275		return 0;
7276	}
7277	/* XAUI workaround in 8073 A0: */
7278
7279	/* After loading the boot ROM and restarting Autoneg, poll
7280	 * Dev1, Reg $C820:
7281	 */
7282
7283	for (cnt = 0; cnt < 1000; cnt++) {
7284		bnx2x_cl45_read(bp, phy,
7285				MDIO_PMA_DEVAD,
7286				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7287				&val);
7288		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7289		   * system initialization (XAUI work-around not required, as
7290		   * these bits indicate 2.5G or 1G link up).
7291		   */
7292		if (!(val & (1<<14)) || !(val & (1<<13))) {
7293			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7294			return 0;
7295		} else if (!(val & (1<<15))) {
7296			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7297			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7298			 * MSB (bit15) goes to 1 (indicating that the XAUI
7299			 * workaround has completed), then continue on with
7300			 * system initialization.
7301			 */
7302			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7303				bnx2x_cl45_read(bp, phy,
7304					MDIO_PMA_DEVAD,
7305					MDIO_PMA_REG_8073_XAUI_WA, &val);
7306				if (val & (1<<15)) {
7307					DP(NETIF_MSG_LINK,
7308					  "XAUI workaround has completed\n");
7309					return 0;
7310				 }
7311				 usleep_range(3000, 6000);
7312			}
7313			break;
7314		}
7315		usleep_range(3000, 6000);
7316	}
7317	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7318	return -EINVAL;
7319}
7320
7321static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7322{
7323	/* Force KR or KX */
7324	bnx2x_cl45_write(bp, phy,
7325			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7326	bnx2x_cl45_write(bp, phy,
7327			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7328	bnx2x_cl45_write(bp, phy,
7329			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7330	bnx2x_cl45_write(bp, phy,
7331			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7332}
7333
7334static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7335				      struct bnx2x_phy *phy,
7336				      struct link_vars *vars)
7337{
7338	u16 cl37_val;
7339	struct bnx2x *bp = params->bp;
7340	bnx2x_cl45_read(bp, phy,
7341			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7342
7343	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7344	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7345	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7346	if ((vars->ieee_fc &
7347	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7348	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7349		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7350	}
7351	if ((vars->ieee_fc &
7352	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7353	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7354		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7355	}
7356	if ((vars->ieee_fc &
7357	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7358	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7359		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7360	}
7361	DP(NETIF_MSG_LINK,
7362		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7363
7364	bnx2x_cl45_write(bp, phy,
7365			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7366	msleep(500);
7367}
7368
7369static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7370				     struct link_params *params,
7371				     u32 action)
7372{
7373	struct bnx2x *bp = params->bp;
7374	switch (action) {
7375	case PHY_INIT:
7376		/* Enable LASI */
7377		bnx2x_cl45_write(bp, phy,
7378				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7379		bnx2x_cl45_write(bp, phy,
7380				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7381		break;
7382	}
7383}
7384
7385static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7386				  struct link_params *params,
7387				  struct link_vars *vars)
7388{
7389	struct bnx2x *bp = params->bp;
7390	u16 val = 0, tmp1;
7391	u8 gpio_port;
7392	DP(NETIF_MSG_LINK, "Init 8073\n");
7393
7394	if (CHIP_IS_E2(bp))
7395		gpio_port = BP_PATH(bp);
7396	else
7397		gpio_port = params->port;
7398	/* Restore normal power mode*/
7399	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7400		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7401
7402	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7403		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7404
7405	bnx2x_8073_specific_func(phy, params, PHY_INIT);
7406	bnx2x_8073_set_pause_cl37(params, phy, vars);
7407
7408	bnx2x_cl45_read(bp, phy,
7409			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7410
7411	bnx2x_cl45_read(bp, phy,
7412			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7413
7414	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7415
7416	/* Swap polarity if required - Must be done only in non-1G mode */
7417	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7418		/* Configure the 8073 to swap _P and _N of the KR lines */
7419		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7420		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7421		bnx2x_cl45_read(bp, phy,
7422				MDIO_PMA_DEVAD,
7423				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7424		bnx2x_cl45_write(bp, phy,
7425				 MDIO_PMA_DEVAD,
7426				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7427				 (val | (3<<9)));
7428	}
7429
7430
7431	/* Enable CL37 BAM */
7432	if (REG_RD(bp, params->shmem_base +
7433			 offsetof(struct shmem_region, dev_info.
7434				  port_hw_config[params->port].default_cfg)) &
7435	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7436
7437		bnx2x_cl45_read(bp, phy,
7438				MDIO_AN_DEVAD,
7439				MDIO_AN_REG_8073_BAM, &val);
7440		bnx2x_cl45_write(bp, phy,
7441				 MDIO_AN_DEVAD,
7442				 MDIO_AN_REG_8073_BAM, val | 1);
7443		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7444	}
7445	if (params->loopback_mode == LOOPBACK_EXT) {
7446		bnx2x_807x_force_10G(bp, phy);
7447		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7448		return 0;
7449	} else {
7450		bnx2x_cl45_write(bp, phy,
7451				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7452	}
7453	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7454		if (phy->req_line_speed == SPEED_10000) {
7455			val = (1<<7);
7456		} else if (phy->req_line_speed ==  SPEED_2500) {
7457			val = (1<<5);
7458			/* Note that 2.5G works only when used with 1G
7459			 * advertisement
7460			 */
7461		} else
7462			val = (1<<5);
7463	} else {
7464		val = 0;
7465		if (phy->speed_cap_mask &
7466			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7467			val |= (1<<7);
7468
7469		/* Note that 2.5G works only when used with 1G advertisement */
7470		if (phy->speed_cap_mask &
7471			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7472			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7473			val |= (1<<5);
7474		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7475	}
7476
7477	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7478	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7479
7480	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7481	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7482	    (phy->req_line_speed == SPEED_2500)) {
7483		u16 phy_ver;
7484		/* Allow 2.5G for A1 and above */
7485		bnx2x_cl45_read(bp, phy,
7486				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7487				&phy_ver);
7488		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7489		if (phy_ver > 0)
7490			tmp1 |= 1;
7491		else
7492			tmp1 &= 0xfffe;
7493	} else {
7494		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7495		tmp1 &= 0xfffe;
7496	}
7497
7498	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7499	/* Add support for CL37 (passive mode) II */
7500
7501	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7502	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7503			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7504				  0x20 : 0x40)));
7505
7506	/* Add support for CL37 (passive mode) III */
7507	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7508
7509	/* The SNR will improve about 2db by changing BW and FEE main
7510	 * tap. Rest commands are executed after link is up
7511	 * Change FFE main cursor to 5 in EDC register
7512	 */
7513	if (bnx2x_8073_is_snr_needed(bp, phy))
7514		bnx2x_cl45_write(bp, phy,
7515				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7516				 0xFB0C);
7517
7518	/* Enable FEC (Forware Error Correction) Request in the AN */
7519	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7520	tmp1 |= (1<<15);
7521	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7522
7523	bnx2x_ext_phy_set_pause(params, phy, vars);
7524
7525	/* Restart autoneg */
7526	msleep(500);
7527	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7528	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7529		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7530	return 0;
7531}
7532
7533static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7534				 struct link_params *params,
7535				 struct link_vars *vars)
7536{
7537	struct bnx2x *bp = params->bp;
7538	u8 link_up = 0;
7539	u16 val1, val2;
7540	u16 link_status = 0;
7541	u16 an1000_status = 0;
7542
7543	bnx2x_cl45_read(bp, phy,
7544			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7545
7546	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7547
7548	/* Clear the interrupt LASI status register */
7549	bnx2x_cl45_read(bp, phy,
7550			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7551	bnx2x_cl45_read(bp, phy,
7552			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7553	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7554	/* Clear MSG-OUT */
7555	bnx2x_cl45_read(bp, phy,
7556			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7557
7558	/* Check the LASI */
7559	bnx2x_cl45_read(bp, phy,
7560			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7561
7562	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7563
7564	/* Check the link status */
7565	bnx2x_cl45_read(bp, phy,
7566			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7567	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7568
7569	bnx2x_cl45_read(bp, phy,
7570			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7571	bnx2x_cl45_read(bp, phy,
7572			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7573	link_up = ((val1 & 4) == 4);
7574	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7575
7576	if (link_up &&
7577	     ((phy->req_line_speed != SPEED_10000))) {
7578		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7579			return 0;
7580	}
7581	bnx2x_cl45_read(bp, phy,
7582			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7583	bnx2x_cl45_read(bp, phy,
7584			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7585
7586	/* Check the link status on 1.1.2 */
7587	bnx2x_cl45_read(bp, phy,
7588			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7589	bnx2x_cl45_read(bp, phy,
7590			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7591	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7592		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7593
7594	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7595	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7596		/* The SNR will improve about 2dbby changing the BW and FEE main
7597		 * tap. The 1st write to change FFE main tap is set before
7598		 * restart AN. Change PLL Bandwidth in EDC register
7599		 */
7600		bnx2x_cl45_write(bp, phy,
7601				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7602				 0x26BC);
7603
7604		/* Change CDR Bandwidth in EDC register */
7605		bnx2x_cl45_write(bp, phy,
7606				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7607				 0x0333);
7608	}
7609	bnx2x_cl45_read(bp, phy,
7610			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7611			&link_status);
7612
7613	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7614	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7615		link_up = 1;
7616		vars->line_speed = SPEED_10000;
7617		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7618			   params->port);
7619	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7620		link_up = 1;
7621		vars->line_speed = SPEED_2500;
7622		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7623			   params->port);
7624	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7625		link_up = 1;
7626		vars->line_speed = SPEED_1000;
7627		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7628			   params->port);
7629	} else {
7630		link_up = 0;
7631		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7632			   params->port);
7633	}
7634
7635	if (link_up) {
7636		/* Swap polarity if required */
7637		if (params->lane_config &
7638		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7639			/* Configure the 8073 to swap P and N of the KR lines */
7640			bnx2x_cl45_read(bp, phy,
7641					MDIO_XS_DEVAD,
7642					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7643			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7644			 * when it`s in 10G mode.
7645			 */
7646			if (vars->line_speed == SPEED_1000) {
7647				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7648					      "the 8073\n");
7649				val1 |= (1<<3);
7650			} else
7651				val1 &= ~(1<<3);
7652
7653			bnx2x_cl45_write(bp, phy,
7654					 MDIO_XS_DEVAD,
7655					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7656					 val1);
7657		}
7658		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7659		bnx2x_8073_resolve_fc(phy, params, vars);
7660		vars->duplex = DUPLEX_FULL;
7661	}
7662
7663	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7664		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7665				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7666
7667		if (val1 & (1<<5))
7668			vars->link_status |=
7669				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7670		if (val1 & (1<<7))
7671			vars->link_status |=
7672				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7673	}
7674
7675	return link_up;
7676}
7677
7678static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7679				  struct link_params *params)
7680{
7681	struct bnx2x *bp = params->bp;
7682	u8 gpio_port;
7683	if (CHIP_IS_E2(bp))
7684		gpio_port = BP_PATH(bp);
7685	else
7686		gpio_port = params->port;
7687	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7688	   gpio_port);
7689	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7690		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7691		       gpio_port);
7692}
7693
7694/******************************************************************/
7695/*			BCM8705 PHY SECTION			  */
7696/******************************************************************/
7697static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7698				  struct link_params *params,
7699				  struct link_vars *vars)
7700{
7701	struct bnx2x *bp = params->bp;
7702	DP(NETIF_MSG_LINK, "init 8705\n");
7703	/* Restore normal power mode*/
7704	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7705		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7706	/* HW reset */
7707	bnx2x_ext_phy_hw_reset(bp, params->port);
7708	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7709	bnx2x_wait_reset_complete(bp, phy, params);
7710
7711	bnx2x_cl45_write(bp, phy,
7712			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7713	bnx2x_cl45_write(bp, phy,
7714			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7715	bnx2x_cl45_write(bp, phy,
7716			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7717	bnx2x_cl45_write(bp, phy,
7718			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7719	/* BCM8705 doesn't have microcode, hence the 0 */
7720	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7721	return 0;
7722}
7723
7724static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7725				 struct link_params *params,
7726				 struct link_vars *vars)
7727{
7728	u8 link_up = 0;
7729	u16 val1, rx_sd;
7730	struct bnx2x *bp = params->bp;
7731	DP(NETIF_MSG_LINK, "read status 8705\n");
7732	bnx2x_cl45_read(bp, phy,
7733		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7734	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7735
7736	bnx2x_cl45_read(bp, phy,
7737		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7738	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7739
7740	bnx2x_cl45_read(bp, phy,
7741		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7742
7743	bnx2x_cl45_read(bp, phy,
7744		      MDIO_PMA_DEVAD, 0xc809, &val1);
7745	bnx2x_cl45_read(bp, phy,
7746		      MDIO_PMA_DEVAD, 0xc809, &val1);
7747
7748	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7749	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7750	if (link_up) {
7751		vars->line_speed = SPEED_10000;
7752		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7753	}
7754	return link_up;
7755}
7756
7757/******************************************************************/
7758/*			SFP+ module Section			  */
7759/******************************************************************/
7760static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7761					   struct bnx2x_phy *phy,
7762					   u8 pmd_dis)
7763{
7764	struct bnx2x *bp = params->bp;
7765	/* Disable transmitter only for bootcodes which can enable it afterwards
7766	 * (for D3 link)
7767	 */
7768	if (pmd_dis) {
7769		if (params->feature_config_flags &
7770		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7771			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7772		else {
7773			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7774			return;
7775		}
7776	} else
7777		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7778	bnx2x_cl45_write(bp, phy,
7779			 MDIO_PMA_DEVAD,
7780			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7781}
7782
7783static u8 bnx2x_get_gpio_port(struct link_params *params)
7784{
7785	u8 gpio_port;
7786	u32 swap_val, swap_override;
7787	struct bnx2x *bp = params->bp;
7788	if (CHIP_IS_E2(bp))
7789		gpio_port = BP_PATH(bp);
7790	else
7791		gpio_port = params->port;
7792	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7793	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7794	return gpio_port ^ (swap_val && swap_override);
7795}
7796
7797static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7798					   struct bnx2x_phy *phy,
7799					   u8 tx_en)
7800{
7801	u16 val;
7802	u8 port = params->port;
7803	struct bnx2x *bp = params->bp;
7804	u32 tx_en_mode;
7805
7806	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7807	tx_en_mode = REG_RD(bp, params->shmem_base +
7808			    offsetof(struct shmem_region,
7809				     dev_info.port_hw_config[port].sfp_ctrl)) &
7810		PORT_HW_CFG_TX_LASER_MASK;
7811	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7812			   "mode = %x\n", tx_en, port, tx_en_mode);
7813	switch (tx_en_mode) {
7814	case PORT_HW_CFG_TX_LASER_MDIO:
7815
7816		bnx2x_cl45_read(bp, phy,
7817				MDIO_PMA_DEVAD,
7818				MDIO_PMA_REG_PHY_IDENTIFIER,
7819				&val);
7820
7821		if (tx_en)
7822			val &= ~(1<<15);
7823		else
7824			val |= (1<<15);
7825
7826		bnx2x_cl45_write(bp, phy,
7827				 MDIO_PMA_DEVAD,
7828				 MDIO_PMA_REG_PHY_IDENTIFIER,
7829				 val);
7830	break;
7831	case PORT_HW_CFG_TX_LASER_GPIO0:
7832	case PORT_HW_CFG_TX_LASER_GPIO1:
7833	case PORT_HW_CFG_TX_LASER_GPIO2:
7834	case PORT_HW_CFG_TX_LASER_GPIO3:
7835	{
7836		u16 gpio_pin;
7837		u8 gpio_port, gpio_mode;
7838		if (tx_en)
7839			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7840		else
7841			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7842
7843		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7844		gpio_port = bnx2x_get_gpio_port(params);
7845		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7846		break;
7847	}
7848	default:
7849		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7850		break;
7851	}
7852}
7853
7854static void bnx2x_sfp_set_transmitter(struct link_params *params,
7855				      struct bnx2x_phy *phy,
7856				      u8 tx_en)
7857{
7858	struct bnx2x *bp = params->bp;
7859	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7860	if (CHIP_IS_E3(bp))
7861		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7862	else
7863		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7864}
7865
7866static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7867					     struct link_params *params,
7868					     u8 dev_addr, u16 addr, u8 byte_cnt,
7869					     u8 *o_buf, u8 is_init)
7870{
7871	struct bnx2x *bp = params->bp;
7872	u16 val = 0;
7873	u16 i;
7874	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7875		DP(NETIF_MSG_LINK,
7876		   "Reading from eeprom is limited to 0xf\n");
7877		return -EINVAL;
7878	}
7879	/* Set the read command byte count */
7880	bnx2x_cl45_write(bp, phy,
7881			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7882			 (byte_cnt | (dev_addr << 8)));
7883
7884	/* Set the read command address */
7885	bnx2x_cl45_write(bp, phy,
7886			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7887			 addr);
7888
7889	/* Activate read command */
7890	bnx2x_cl45_write(bp, phy,
7891			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7892			 0x2c0f);
7893
7894	/* Wait up to 500us for command complete status */
7895	for (i = 0; i < 100; i++) {
7896		bnx2x_cl45_read(bp, phy,
7897				MDIO_PMA_DEVAD,
7898				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7899		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7900		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7901			break;
7902		udelay(5);
7903	}
7904
7905	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7906		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7907		DP(NETIF_MSG_LINK,
7908			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7909			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7910		return -EINVAL;
7911	}
7912
7913	/* Read the buffer */
7914	for (i = 0; i < byte_cnt; i++) {
7915		bnx2x_cl45_read(bp, phy,
7916				MDIO_PMA_DEVAD,
7917				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7918		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7919	}
7920
7921	for (i = 0; i < 100; i++) {
7922		bnx2x_cl45_read(bp, phy,
7923				MDIO_PMA_DEVAD,
7924				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7925		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7926		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7927			return 0;
7928		usleep_range(1000, 2000);
7929	}
7930	return -EINVAL;
7931}
7932
7933static void bnx2x_warpcore_power_module(struct link_params *params,
7934					u8 power)
7935{
7936	u32 pin_cfg;
7937	struct bnx2x *bp = params->bp;
7938
7939	pin_cfg = (REG_RD(bp, params->shmem_base +
7940			  offsetof(struct shmem_region,
7941			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7942			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7943			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7944
7945	if (pin_cfg == PIN_CFG_NA)
7946		return;
7947	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7948		       power, pin_cfg);
7949	/* Low ==> corresponding SFP+ module is powered
7950	 * high ==> the SFP+ module is powered down
7951	 */
7952	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7953}
7954static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7955						 struct link_params *params,
7956						 u8 dev_addr,
7957						 u16 addr, u8 byte_cnt,
7958						 u8 *o_buf, u8 is_init)
7959{
7960	int rc = 0;
7961	u8 i, j = 0, cnt = 0;
7962	u32 data_array[4];
7963	u16 addr32;
7964	struct bnx2x *bp = params->bp;
7965
7966	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7967		DP(NETIF_MSG_LINK,
7968		   "Reading from eeprom is limited to 16 bytes\n");
7969		return -EINVAL;
7970	}
7971
7972	/* 4 byte aligned address */
7973	addr32 = addr & (~0x3);
7974	do {
7975		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7976			bnx2x_warpcore_power_module(params, 0);
7977			/* Note that 100us are not enough here */
7978			usleep_range(1000, 2000);
7979			bnx2x_warpcore_power_module(params, 1);
7980		}
7981		rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7982				    data_array);
7983	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7984
7985	if (rc == 0) {
7986		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7987			o_buf[j] = *((u8 *)data_array + i);
7988			j++;
7989		}
7990	}
7991
7992	return rc;
7993}
7994
7995static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7996					     struct link_params *params,
7997					     u8 dev_addr, u16 addr, u8 byte_cnt,
7998					     u8 *o_buf, u8 is_init)
7999{
8000	struct bnx2x *bp = params->bp;
8001	u16 val, i;
8002
8003	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
8004		DP(NETIF_MSG_LINK,
8005		   "Reading from eeprom is limited to 0xf\n");
8006		return -EINVAL;
8007	}
8008
8009	/* Set 2-wire transfer rate of SFP+ module EEPROM
8010	 * to 100Khz since some DACs(direct attached cables) do
8011	 * not work at 400Khz.
8012	 */
8013	bnx2x_cl45_write(bp, phy,
8014			 MDIO_PMA_DEVAD,
8015			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8016			 ((dev_addr << 8) | 1));
8017
8018	/* Need to read from 1.8000 to clear it */
8019	bnx2x_cl45_read(bp, phy,
8020			MDIO_PMA_DEVAD,
8021			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8022			&val);
8023
8024	/* Set the read command byte count */
8025	bnx2x_cl45_write(bp, phy,
8026			 MDIO_PMA_DEVAD,
8027			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8028			 ((byte_cnt < 2) ? 2 : byte_cnt));
8029
8030	/* Set the read command address */
8031	bnx2x_cl45_write(bp, phy,
8032			 MDIO_PMA_DEVAD,
8033			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8034			 addr);
8035	/* Set the destination address */
8036	bnx2x_cl45_write(bp, phy,
8037			 MDIO_PMA_DEVAD,
8038			 0x8004,
8039			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
8040
8041	/* Activate read command */
8042	bnx2x_cl45_write(bp, phy,
8043			 MDIO_PMA_DEVAD,
8044			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8045			 0x8002);
8046	/* Wait appropriate time for two-wire command to finish before
8047	 * polling the status register
8048	 */
8049	usleep_range(1000, 2000);
8050
8051	/* Wait up to 500us for command complete status */
8052	for (i = 0; i < 100; i++) {
8053		bnx2x_cl45_read(bp, phy,
8054				MDIO_PMA_DEVAD,
8055				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8056		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8057		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8058			break;
8059		udelay(5);
8060	}
8061
8062	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8063		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8064		DP(NETIF_MSG_LINK,
8065			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8066			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8067		return -EFAULT;
8068	}
8069
8070	/* Read the buffer */
8071	for (i = 0; i < byte_cnt; i++) {
8072		bnx2x_cl45_read(bp, phy,
8073				MDIO_PMA_DEVAD,
8074				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8075		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8076	}
8077
8078	for (i = 0; i < 100; i++) {
8079		bnx2x_cl45_read(bp, phy,
8080				MDIO_PMA_DEVAD,
8081				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8082		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8083		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8084			return 0;
8085		usleep_range(1000, 2000);
8086	}
8087
8088	return -EINVAL;
8089}
8090int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8091				 struct link_params *params, u8 dev_addr,
8092				 u16 addr, u16 byte_cnt, u8 *o_buf)
8093{
8094	int rc = 0;
8095	struct bnx2x *bp = params->bp;
8096	u8 xfer_size;
8097	u8 *user_data = o_buf;
8098	read_sfp_module_eeprom_func_p read_func;
8099
8100	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8101		DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8102		return -EINVAL;
8103	}
8104
8105	switch (phy->type) {
8106	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8107		read_func = bnx2x_8726_read_sfp_module_eeprom;
8108		break;
8109	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8110	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8111		read_func = bnx2x_8727_read_sfp_module_eeprom;
8112		break;
8113	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8114		read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8115		break;
8116	default:
8117		return -EOPNOTSUPP;
8118	}
8119
8120	while (!rc && (byte_cnt > 0)) {
8121		xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8122			SFP_EEPROM_PAGE_SIZE : byte_cnt;
8123		rc = read_func(phy, params, dev_addr, addr, xfer_size,
8124			       user_data, 0);
8125		byte_cnt -= xfer_size;
8126		user_data += xfer_size;
8127		addr += xfer_size;
8128	}
8129	return rc;
8130}
8131
8132static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8133			      struct link_params *params,
8134			      u16 *edc_mode)
8135{
8136	struct bnx2x *bp = params->bp;
8137	u32 sync_offset = 0, phy_idx, media_types;
8138	u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8139	*edc_mode = EDC_MODE_LIMITING;
8140	phy->media_type = ETH_PHY_UNSPECIFIED;
8141	/* First check for copper cable */
8142	if (bnx2x_read_sfp_module_eeprom(phy,
8143					 params,
8144					 I2C_DEV_ADDR_A0,
8145					 0,
8146					 SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8147					 (u8 *)val) != 0) {
8148		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8149		return -EINVAL;
8150	}
8151	params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8152	params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8153		LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8154	bnx2x_update_link_attr(params, params->link_attr_sync);
8155	switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
8156	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8157	{
8158		u8 copper_module_type;
8159		phy->media_type = ETH_PHY_DA_TWINAX;
8160		/* Check if its active cable (includes SFP+ module)
8161		 * of passive cable
8162		 */
8163		copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
8164
8165		if (copper_module_type &
8166		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8167			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8168			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8169				*edc_mode = EDC_MODE_ACTIVE_DAC;
8170			else
8171				check_limiting_mode = 1;
8172		} else {
8173			*edc_mode = EDC_MODE_PASSIVE_DAC;
8174			/* Even in case PASSIVE_DAC indication is not set,
8175			 * treat it as a passive DAC cable, since some cables
8176			 * don't have this indication.
8177			 */
8178			if (copper_module_type &
8179			    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8180				DP(NETIF_MSG_LINK,
8181				   "Passive Copper cable detected\n");
8182			} else {
8183				DP(NETIF_MSG_LINK,
8184				   "Unknown copper-cable-type\n");
8185			}
8186		}
8187		break;
8188	}
8189	case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8190	case SFP_EEPROM_CON_TYPE_VAL_LC:
8191	case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8192		check_limiting_mode = 1;
8193		if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
8194		     (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8195		      SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8196		       SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
8197		    (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
8198			DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8199			phy->media_type = ETH_PHY_SFP_1G_FIBER;
8200			if (phy->req_line_speed != SPEED_1000) {
8201				u8 gport = params->port;
8202				phy->req_line_speed = SPEED_1000;
8203				if (!CHIP_IS_E1x(bp)) {
8204					gport = BP_PATH(bp) +
8205					(params->port << 1);
8206				}
8207				netdev_err(bp->dev,
8208					   "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8209					   gport);
8210			}
8211			if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
8212			    SFP_EEPROM_1G_COMP_CODE_BASE_T) {
8213				bnx2x_sfp_set_transmitter(params, phy, 0);
8214				msleep(40);
8215				bnx2x_sfp_set_transmitter(params, phy, 1);
8216			}
8217		} else {
8218			int idx, cfg_idx = 0;
8219			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8220			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8221				if (params->phy[idx].type == phy->type) {
8222					cfg_idx = LINK_CONFIG_IDX(idx);
8223					break;
8224				}
8225			}
8226			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8227			phy->req_line_speed = params->req_line_speed[cfg_idx];
8228		}
8229		break;
8230	default:
8231		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8232			 val[SFP_EEPROM_CON_TYPE_ADDR]);
8233		return -EINVAL;
8234	}
8235	sync_offset = params->shmem_base +
8236		offsetof(struct shmem_region,
8237			 dev_info.port_hw_config[params->port].media_type);
8238	media_types = REG_RD(bp, sync_offset);
8239	/* Update media type for non-PMF sync */
8240	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8241		if (&(params->phy[phy_idx]) == phy) {
8242			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8243				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8244			media_types |= ((phy->media_type &
8245					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8246				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8247			break;
8248		}
8249	}
8250	REG_WR(bp, sync_offset, media_types);
8251	if (check_limiting_mode) {
8252		u8 options[SFP_EEPROM_OPTIONS_SIZE];
8253		if (bnx2x_read_sfp_module_eeprom(phy,
8254						 params,
8255						 I2C_DEV_ADDR_A0,
8256						 SFP_EEPROM_OPTIONS_ADDR,
8257						 SFP_EEPROM_OPTIONS_SIZE,
8258						 options) != 0) {
8259			DP(NETIF_MSG_LINK,
8260			   "Failed to read Option field from module EEPROM\n");
8261			return -EINVAL;
8262		}
8263		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8264			*edc_mode = EDC_MODE_LINEAR;
8265		else
8266			*edc_mode = EDC_MODE_LIMITING;
8267	}
8268	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8269	return 0;
8270}
8271/* This function read the relevant field from the module (SFP+), and verify it
8272 * is compliant with this board
8273 */
8274static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8275				   struct link_params *params)
8276{
8277	struct bnx2x *bp = params->bp;
8278	u32 val, cmd;
8279	u32 fw_resp, fw_cmd_param;
8280	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8281	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8282	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8283	val = REG_RD(bp, params->shmem_base +
8284			 offsetof(struct shmem_region, dev_info.
8285				  port_feature_config[params->port].config));
8286	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8287	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8288		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8289		return 0;
8290	}
8291
8292	if (params->feature_config_flags &
8293	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8294		/* Use specific phy request */
8295		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8296	} else if (params->feature_config_flags &
8297		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8298		/* Use first phy request only in case of non-dual media*/
8299		if (DUAL_MEDIA(params)) {
8300			DP(NETIF_MSG_LINK,
8301			   "FW does not support OPT MDL verification\n");
8302			return -EINVAL;
8303		}
8304		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8305	} else {
8306		/* No support in OPT MDL detection */
8307		DP(NETIF_MSG_LINK,
8308		   "FW does not support OPT MDL verification\n");
8309		return -EINVAL;
8310	}
8311
8312	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8313	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8314	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8315		DP(NETIF_MSG_LINK, "Approved module\n");
8316		return 0;
8317	}
8318
8319	/* Format the warning message */
8320	if (bnx2x_read_sfp_module_eeprom(phy,
8321					 params,
8322					 I2C_DEV_ADDR_A0,
8323					 SFP_EEPROM_VENDOR_NAME_ADDR,
8324					 SFP_EEPROM_VENDOR_NAME_SIZE,
8325					 (u8 *)vendor_name))
8326		vendor_name[0] = '\0';
8327	else
8328		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8329	if (bnx2x_read_sfp_module_eeprom(phy,
8330					 params,
8331					 I2C_DEV_ADDR_A0,
8332					 SFP_EEPROM_PART_NO_ADDR,
8333					 SFP_EEPROM_PART_NO_SIZE,
8334					 (u8 *)vendor_pn))
8335		vendor_pn[0] = '\0';
8336	else
8337		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8338
8339	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8340			      " Port %d from %s part number %s\n",
8341			 params->port, vendor_name, vendor_pn);
8342	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8343	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8344		phy->flags |= FLAGS_SFP_NOT_APPROVED;
8345	return -EINVAL;
8346}
8347
8348static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8349						 struct link_params *params)
8350
8351{
8352	u8 val;
8353	int rc;
8354	struct bnx2x *bp = params->bp;
8355	u16 timeout;
8356	/* Initialization time after hot-plug may take up to 300ms for
8357	 * some phys type ( e.g. JDSU )
8358	 */
8359
8360	for (timeout = 0; timeout < 60; timeout++) {
8361		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8362			rc = bnx2x_warpcore_read_sfp_module_eeprom(
8363				phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8364				1);
8365		else
8366			rc = bnx2x_read_sfp_module_eeprom(phy, params,
8367							  I2C_DEV_ADDR_A0,
8368							  1, 1, &val);
8369		if (rc == 0) {
8370			DP(NETIF_MSG_LINK,
8371			   "SFP+ module initialization took %d ms\n",
8372			   timeout * 5);
8373			return 0;
8374		}
8375		usleep_range(5000, 10000);
8376	}
8377	rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8378					  1, 1, &val);
8379	return rc;
8380}
8381
8382static void bnx2x_8727_power_module(struct bnx2x *bp,
8383				    struct bnx2x_phy *phy,
8384				    u8 is_power_up) {
8385	/* Make sure GPIOs are not using for LED mode */
8386	u16 val;
8387	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8388	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8389	 * output
8390	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8391	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8392	 * where the 1st bit is the over-current(only input), and 2nd bit is
8393	 * for power( only output )
8394	 *
8395	 * In case of NOC feature is disabled and power is up, set GPIO control
8396	 *  as input to enable listening of over-current indication
8397	 */
8398	if (phy->flags & FLAGS_NOC)
8399		return;
8400	if (is_power_up)
8401		val = (1<<4);
8402	else
8403		/* Set GPIO control to OUTPUT, and set the power bit
8404		 * to according to the is_power_up
8405		 */
8406		val = (1<<1);
8407
8408	bnx2x_cl45_write(bp, phy,
8409			 MDIO_PMA_DEVAD,
8410			 MDIO_PMA_REG_8727_GPIO_CTRL,
8411			 val);
8412}
8413
8414static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8415					struct bnx2x_phy *phy,
8416					u16 edc_mode)
8417{
8418	u16 cur_limiting_mode;
8419
8420	bnx2x_cl45_read(bp, phy,
8421			MDIO_PMA_DEVAD,
8422			MDIO_PMA_REG_ROM_VER2,
8423			&cur_limiting_mode);
8424	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8425		 cur_limiting_mode);
8426
8427	if (edc_mode == EDC_MODE_LIMITING) {
8428		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8429		bnx2x_cl45_write(bp, phy,
8430				 MDIO_PMA_DEVAD,
8431				 MDIO_PMA_REG_ROM_VER2,
8432				 EDC_MODE_LIMITING);
8433	} else { /* LRM mode ( default )*/
8434
8435		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8436
8437		/* Changing to LRM mode takes quite few seconds. So do it only
8438		 * if current mode is limiting (default is LRM)
8439		 */
8440		if (cur_limiting_mode != EDC_MODE_LIMITING)
8441			return 0;
8442
8443		bnx2x_cl45_write(bp, phy,
8444				 MDIO_PMA_DEVAD,
8445				 MDIO_PMA_REG_LRM_MODE,
8446				 0);
8447		bnx2x_cl45_write(bp, phy,
8448				 MDIO_PMA_DEVAD,
8449				 MDIO_PMA_REG_ROM_VER2,
8450				 0x128);
8451		bnx2x_cl45_write(bp, phy,
8452				 MDIO_PMA_DEVAD,
8453				 MDIO_PMA_REG_MISC_CTRL0,
8454				 0x4008);
8455		bnx2x_cl45_write(bp, phy,
8456				 MDIO_PMA_DEVAD,
8457				 MDIO_PMA_REG_LRM_MODE,
8458				 0xaaaa);
8459	}
8460	return 0;
8461}
8462
8463static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8464					struct bnx2x_phy *phy,
8465					u16 edc_mode)
8466{
8467	u16 phy_identifier;
8468	u16 rom_ver2_val;
8469	bnx2x_cl45_read(bp, phy,
8470			MDIO_PMA_DEVAD,
8471			MDIO_PMA_REG_PHY_IDENTIFIER,
8472			&phy_identifier);
8473
8474	bnx2x_cl45_write(bp, phy,
8475			 MDIO_PMA_DEVAD,
8476			 MDIO_PMA_REG_PHY_IDENTIFIER,
8477			 (phy_identifier & ~(1<<9)));
8478
8479	bnx2x_cl45_read(bp, phy,
8480			MDIO_PMA_DEVAD,
8481			MDIO_PMA_REG_ROM_VER2,
8482			&rom_ver2_val);
8483	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8484	bnx2x_cl45_write(bp, phy,
8485			 MDIO_PMA_DEVAD,
8486			 MDIO_PMA_REG_ROM_VER2,
8487			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8488
8489	bnx2x_cl45_write(bp, phy,
8490			 MDIO_PMA_DEVAD,
8491			 MDIO_PMA_REG_PHY_IDENTIFIER,
8492			 (phy_identifier | (1<<9)));
8493
8494	return 0;
8495}
8496
8497static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8498				     struct link_params *params,
8499				     u32 action)
8500{
8501	struct bnx2x *bp = params->bp;
8502	u16 val;
8503	switch (action) {
8504	case DISABLE_TX:
8505		bnx2x_sfp_set_transmitter(params, phy, 0);
8506		break;
8507	case ENABLE_TX:
8508		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8509			bnx2x_sfp_set_transmitter(params, phy, 1);
8510		break;
8511	case PHY_INIT:
8512		bnx2x_cl45_write(bp, phy,
8513				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8514				 (1<<2) | (1<<5));
8515		bnx2x_cl45_write(bp, phy,
8516				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8517				 0);
8518		bnx2x_cl45_write(bp, phy,
8519				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8520		/* Make MOD_ABS give interrupt on change */
8521		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8522				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8523				&val);
8524		val |= (1<<12);
8525		if (phy->flags & FLAGS_NOC)
8526			val |= (3<<5);
8527		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8528		 * status which reflect SFP+ module over-current
8529		 */
8530		if (!(phy->flags & FLAGS_NOC))
8531			val &= 0xff8f; /* Reset bits 4-6 */
8532		bnx2x_cl45_write(bp, phy,
8533				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8534				 val);
8535		break;
8536	default:
8537		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8538		   action);
8539		return;
8540	}
8541}
8542
8543static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8544					   u8 gpio_mode)
8545{
8546	struct bnx2x *bp = params->bp;
8547
8548	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8549			    offsetof(struct shmem_region,
8550			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8551		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8552	switch (fault_led_gpio) {
8553	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8554		return;
8555	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8556	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8557	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8558	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8559	{
8560		u8 gpio_port = bnx2x_get_gpio_port(params);
8561		u16 gpio_pin = fault_led_gpio -
8562			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8563		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8564				   "pin %x port %x mode %x\n",
8565			       gpio_pin, gpio_port, gpio_mode);
8566		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8567	}
8568	break;
8569	default:
8570		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8571			       fault_led_gpio);
8572	}
8573}
8574
8575static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8576					  u8 gpio_mode)
8577{
8578	u32 pin_cfg;
8579	u8 port = params->port;
8580	struct bnx2x *bp = params->bp;
8581	pin_cfg = (REG_RD(bp, params->shmem_base +
8582			 offsetof(struct shmem_region,
8583				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8584		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8585		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8586	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8587		       gpio_mode, pin_cfg);
8588	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8589}
8590
8591static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8592					   u8 gpio_mode)
8593{
8594	struct bnx2x *bp = params->bp;
8595	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8596	if (CHIP_IS_E3(bp)) {
8597		/* Low ==> if SFP+ module is supported otherwise
8598		 * High ==> if SFP+ module is not on the approved vendor list
8599		 */
8600		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8601	} else
8602		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8603}
8604
8605static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8606				    struct link_params *params)
8607{
8608	struct bnx2x *bp = params->bp;
8609	bnx2x_warpcore_power_module(params, 0);
8610	/* Put Warpcore in low power mode */
8611	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8612
8613	/* Put LCPLL in low power mode */
8614	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8615	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8616	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8617}
8618
8619static void bnx2x_power_sfp_module(struct link_params *params,
8620				   struct bnx2x_phy *phy,
8621				   u8 power)
8622{
8623	struct bnx2x *bp = params->bp;
8624	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8625
8626	switch (phy->type) {
8627	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8628	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8629		bnx2x_8727_power_module(params->bp, phy, power);
8630		break;
8631	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8632		bnx2x_warpcore_power_module(params, power);
8633		break;
8634	default:
8635		break;
8636	}
8637}
8638static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8639					     struct bnx2x_phy *phy,
8640					     u16 edc_mode)
8641{
8642	u16 val = 0;
8643	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8644	struct bnx2x *bp = params->bp;
8645
8646	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8647	/* This is a global register which controls all lanes */
8648	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8649			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8650	val &= ~(0xf << (lane << 2));
8651
8652	switch (edc_mode) {
8653	case EDC_MODE_LINEAR:
8654	case EDC_MODE_LIMITING:
8655		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8656		break;
8657	case EDC_MODE_PASSIVE_DAC:
8658	case EDC_MODE_ACTIVE_DAC:
8659		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8660		break;
8661	default:
8662		break;
8663	}
8664
8665	val |= (mode << (lane << 2));
8666	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8667			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8668	/* A must read */
8669	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8670			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8671
8672	/* Restart microcode to re-read the new mode */
8673	bnx2x_warpcore_reset_lane(bp, phy, 1);
8674	bnx2x_warpcore_reset_lane(bp, phy, 0);
8675
8676}
8677
8678static void bnx2x_set_limiting_mode(struct link_params *params,
8679				    struct bnx2x_phy *phy,
8680				    u16 edc_mode)
8681{
8682	switch (phy->type) {
8683	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8684		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8685		break;
8686	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8687	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8688		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8689		break;
8690	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8691		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8692		break;
8693	}
8694}
8695
8696static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8697				      struct link_params *params)
8698{
8699	struct bnx2x *bp = params->bp;
8700	u16 edc_mode;
8701	int rc = 0;
8702
8703	u32 val = REG_RD(bp, params->shmem_base +
8704			     offsetof(struct shmem_region, dev_info.
8705				     port_feature_config[params->port].config));
8706	/* Enabled transmitter by default */
8707	bnx2x_sfp_set_transmitter(params, phy, 1);
8708	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8709		 params->port);
8710	/* Power up module */
8711	bnx2x_power_sfp_module(params, phy, 1);
8712	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8713		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8714		return -EINVAL;
8715	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8716		/* Check SFP+ module compatibility */
8717		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8718		rc = -EINVAL;
8719		/* Turn on fault module-detected led */
8720		bnx2x_set_sfp_module_fault_led(params,
8721					       MISC_REGISTERS_GPIO_HIGH);
8722
8723		/* Check if need to power down the SFP+ module */
8724		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8725		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8726			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8727			bnx2x_power_sfp_module(params, phy, 0);
8728			return rc;
8729		}
8730	} else {
8731		/* Turn off fault module-detected led */
8732		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8733	}
8734
8735	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8736	 * is done automatically
8737	 */
8738	bnx2x_set_limiting_mode(params, phy, edc_mode);
8739
8740	/* Disable transmit for this module if the module is not approved, and
8741	 * laser needs to be disabled.
8742	 */
8743	if ((rc) &&
8744	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8745	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8746		bnx2x_sfp_set_transmitter(params, phy, 0);
8747
8748	return rc;
8749}
8750
8751void bnx2x_handle_module_detect_int(struct link_params *params)
8752{
8753	struct bnx2x *bp = params->bp;
8754	struct bnx2x_phy *phy;
8755	u32 gpio_val;
8756	u8 gpio_num, gpio_port;
8757	if (CHIP_IS_E3(bp)) {
8758		phy = &params->phy[INT_PHY];
8759		/* Always enable TX laser,will be disabled in case of fault */
8760		bnx2x_sfp_set_transmitter(params, phy, 1);
8761	} else {
8762		phy = &params->phy[EXT_PHY1];
8763	}
8764	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8765				      params->port, &gpio_num, &gpio_port) ==
8766	    -EINVAL) {
8767		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8768		return;
8769	}
8770
8771	/* Set valid module led off */
8772	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8773
8774	/* Get current gpio val reflecting module plugged in / out*/
8775	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8776
8777	/* Call the handling function in case module is detected */
8778	if (gpio_val == 0) {
8779		bnx2x_set_mdio_emac_per_phy(bp, params);
8780		bnx2x_set_aer_mmd(params, phy);
8781
8782		bnx2x_power_sfp_module(params, phy, 1);
8783		bnx2x_set_gpio_int(bp, gpio_num,
8784				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8785				   gpio_port);
8786		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8787			bnx2x_sfp_module_detection(phy, params);
8788			if (CHIP_IS_E3(bp)) {
8789				u16 rx_tx_in_reset;
8790				/* In case WC is out of reset, reconfigure the
8791				 * link speed while taking into account 1G
8792				 * module limitation.
8793				 */
8794				bnx2x_cl45_read(bp, phy,
8795						MDIO_WC_DEVAD,
8796						MDIO_WC_REG_DIGITAL5_MISC6,
8797						&rx_tx_in_reset);
8798				if ((!rx_tx_in_reset) &&
8799				    (params->link_flags &
8800				     PHY_INITIALIZED)) {
8801					bnx2x_warpcore_reset_lane(bp, phy, 1);
8802					bnx2x_warpcore_config_sfi(phy, params);
8803					bnx2x_warpcore_reset_lane(bp, phy, 0);
8804				}
8805			}
8806		} else {
8807			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8808		}
8809	} else {
8810		bnx2x_set_gpio_int(bp, gpio_num,
8811				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8812				   gpio_port);
8813		/* Module was plugged out.
8814		 * Disable transmit for this module
8815		 */
8816		phy->media_type = ETH_PHY_NOT_PRESENT;
8817	}
8818}
8819
8820/******************************************************************/
8821/*		Used by 8706 and 8727                             */
8822/******************************************************************/
8823static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8824				 struct bnx2x_phy *phy,
8825				 u16 alarm_status_offset,
8826				 u16 alarm_ctrl_offset)
8827{
8828	u16 alarm_status, val;
8829	bnx2x_cl45_read(bp, phy,
8830			MDIO_PMA_DEVAD, alarm_status_offset,
8831			&alarm_status);
8832	bnx2x_cl45_read(bp, phy,
8833			MDIO_PMA_DEVAD, alarm_status_offset,
8834			&alarm_status);
8835	/* Mask or enable the fault event. */
8836	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8837	if (alarm_status & (1<<0))
8838		val &= ~(1<<0);
8839	else
8840		val |= (1<<0);
8841	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8842}
8843/******************************************************************/
8844/*		common BCM8706/BCM8726 PHY SECTION		  */
8845/******************************************************************/
8846static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8847				      struct link_params *params,
8848				      struct link_vars *vars)
8849{
8850	u8 link_up = 0;
8851	u16 val1, val2, rx_sd, pcs_status;
8852	struct bnx2x *bp = params->bp;
8853	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8854	/* Clear RX Alarm*/
8855	bnx2x_cl45_read(bp, phy,
8856			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8857
8858	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8859			     MDIO_PMA_LASI_TXCTRL);
8860
8861	/* Clear LASI indication*/
8862	bnx2x_cl45_read(bp, phy,
8863			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8864	bnx2x_cl45_read(bp, phy,
8865			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8866	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8867
8868	bnx2x_cl45_read(bp, phy,
8869			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8870	bnx2x_cl45_read(bp, phy,
8871			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8872	bnx2x_cl45_read(bp, phy,
8873			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8874	bnx2x_cl45_read(bp, phy,
8875			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8876
8877	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8878			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8879	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8880	 * are set, or if the autoneg bit 1 is set
8881	 */
8882	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8883	if (link_up) {
8884		if (val2 & (1<<1))
8885			vars->line_speed = SPEED_1000;
8886		else
8887			vars->line_speed = SPEED_10000;
8888		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8889		vars->duplex = DUPLEX_FULL;
8890	}
8891
8892	/* Capture 10G link fault. Read twice to clear stale value. */
8893	if (vars->line_speed == SPEED_10000) {
8894		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8895			    MDIO_PMA_LASI_TXSTAT, &val1);
8896		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8897			    MDIO_PMA_LASI_TXSTAT, &val1);
8898		if (val1 & (1<<0))
8899			vars->fault_detected = 1;
8900	}
8901
8902	return link_up;
8903}
8904
8905/******************************************************************/
8906/*			BCM8706 PHY SECTION			  */
8907/******************************************************************/
8908static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8909				 struct link_params *params,
8910				 struct link_vars *vars)
8911{
8912	u32 tx_en_mode;
8913	u16 cnt, val, tmp1;
8914	struct bnx2x *bp = params->bp;
8915
8916	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8917		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8918	/* HW reset */
8919	bnx2x_ext_phy_hw_reset(bp, params->port);
8920	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8921	bnx2x_wait_reset_complete(bp, phy, params);
8922
8923	/* Wait until fw is loaded */
8924	for (cnt = 0; cnt < 100; cnt++) {
8925		bnx2x_cl45_read(bp, phy,
8926				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8927		if (val)
8928			break;
8929		usleep_range(10000, 20000);
8930	}
8931	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8932	if ((params->feature_config_flags &
8933	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8934		u8 i;
8935		u16 reg;
8936		for (i = 0; i < 4; i++) {
8937			reg = MDIO_XS_8706_REG_BANK_RX0 +
8938				i*(MDIO_XS_8706_REG_BANK_RX1 -
8939				   MDIO_XS_8706_REG_BANK_RX0);
8940			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8941			/* Clear first 3 bits of the control */
8942			val &= ~0x7;
8943			/* Set control bits according to configuration */
8944			val |= (phy->rx_preemphasis[i] & 0x7);
8945			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8946				   " reg 0x%x <-- val 0x%x\n", reg, val);
8947			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8948		}
8949	}
8950	/* Force speed */
8951	if (phy->req_line_speed == SPEED_10000) {
8952		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8953
8954		bnx2x_cl45_write(bp, phy,
8955				 MDIO_PMA_DEVAD,
8956				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8957		bnx2x_cl45_write(bp, phy,
8958				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8959				 0);
8960		/* Arm LASI for link and Tx fault. */
8961		bnx2x_cl45_write(bp, phy,
8962				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8963	} else {
8964		/* Force 1Gbps using autoneg with 1G advertisement */
8965
8966		/* Allow CL37 through CL73 */
8967		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8968		bnx2x_cl45_write(bp, phy,
8969				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8970
8971		/* Enable Full-Duplex advertisement on CL37 */
8972		bnx2x_cl45_write(bp, phy,
8973				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8974		/* Enable CL37 AN */
8975		bnx2x_cl45_write(bp, phy,
8976				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8977		/* 1G support */
8978		bnx2x_cl45_write(bp, phy,
8979				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8980
8981		/* Enable clause 73 AN */
8982		bnx2x_cl45_write(bp, phy,
8983				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8984		bnx2x_cl45_write(bp, phy,
8985				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8986				 0x0400);
8987		bnx2x_cl45_write(bp, phy,
8988				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8989				 0x0004);
8990	}
8991	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8992
8993	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8994	 * power mode, if TX Laser is disabled
8995	 */
8996
8997	tx_en_mode = REG_RD(bp, params->shmem_base +
8998			    offsetof(struct shmem_region,
8999				dev_info.port_hw_config[params->port].sfp_ctrl))
9000			& PORT_HW_CFG_TX_LASER_MASK;
9001
9002	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9003		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9004		bnx2x_cl45_read(bp, phy,
9005			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
9006		tmp1 |= 0x1;
9007		bnx2x_cl45_write(bp, phy,
9008			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
9009	}
9010
9011	return 0;
9012}
9013
9014static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
9015				  struct link_params *params,
9016				  struct link_vars *vars)
9017{
9018	return bnx2x_8706_8726_read_status(phy, params, vars);
9019}
9020
9021/******************************************************************/
9022/*			BCM8726 PHY SECTION			  */
9023/******************************************************************/
9024static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
9025				       struct link_params *params)
9026{
9027	struct bnx2x *bp = params->bp;
9028	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
9029	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
9030}
9031
9032static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
9033					 struct link_params *params)
9034{
9035	struct bnx2x *bp = params->bp;
9036	/* Need to wait 100ms after reset */
9037	msleep(100);
9038
9039	/* Micro controller re-boot */
9040	bnx2x_cl45_write(bp, phy,
9041			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
9042
9043	/* Set soft reset */
9044	bnx2x_cl45_write(bp, phy,
9045			 MDIO_PMA_DEVAD,
9046			 MDIO_PMA_REG_GEN_CTRL,
9047			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
9048
9049	bnx2x_cl45_write(bp, phy,
9050			 MDIO_PMA_DEVAD,
9051			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
9052
9053	bnx2x_cl45_write(bp, phy,
9054			 MDIO_PMA_DEVAD,
9055			 MDIO_PMA_REG_GEN_CTRL,
9056			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
9057
9058	/* Wait for 150ms for microcode load */
9059	msleep(150);
9060
9061	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9062	bnx2x_cl45_write(bp, phy,
9063			 MDIO_PMA_DEVAD,
9064			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
9065
9066	msleep(200);
9067	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
9068}
9069
9070static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9071				 struct link_params *params,
9072				 struct link_vars *vars)
9073{
9074	struct bnx2x *bp = params->bp;
9075	u16 val1;
9076	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9077	if (link_up) {
9078		bnx2x_cl45_read(bp, phy,
9079				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9080				&val1);
9081		if (val1 & (1<<15)) {
9082			DP(NETIF_MSG_LINK, "Tx is disabled\n");
9083			link_up = 0;
9084			vars->line_speed = 0;
9085		}
9086	}
9087	return link_up;
9088}
9089
9090
9091static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9092				  struct link_params *params,
9093				  struct link_vars *vars)
9094{
9095	struct bnx2x *bp = params->bp;
9096	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9097
9098	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9099	bnx2x_wait_reset_complete(bp, phy, params);
9100
9101	bnx2x_8726_external_rom_boot(phy, params);
9102
9103	/* Need to call module detected on initialization since the module
9104	 * detection triggered by actual module insertion might occur before
9105	 * driver is loaded, and when driver is loaded, it reset all
9106	 * registers, including the transmitter
9107	 */
9108	bnx2x_sfp_module_detection(phy, params);
9109
9110	if (phy->req_line_speed == SPEED_1000) {
9111		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9112		bnx2x_cl45_write(bp, phy,
9113				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9114		bnx2x_cl45_write(bp, phy,
9115				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9116		bnx2x_cl45_write(bp, phy,
9117				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9118		bnx2x_cl45_write(bp, phy,
9119				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9120				 0x400);
9121	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9122		   (phy->speed_cap_mask &
9123		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9124		   ((phy->speed_cap_mask &
9125		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9126		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9127		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9128		/* Set Flow control */
9129		bnx2x_ext_phy_set_pause(params, phy, vars);
9130		bnx2x_cl45_write(bp, phy,
9131				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9132		bnx2x_cl45_write(bp, phy,
9133				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9134		bnx2x_cl45_write(bp, phy,
9135				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9136		bnx2x_cl45_write(bp, phy,
9137				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9138		bnx2x_cl45_write(bp, phy,
9139				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9140		/* Enable RX-ALARM control to receive interrupt for 1G speed
9141		 * change
9142		 */
9143		bnx2x_cl45_write(bp, phy,
9144				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9145		bnx2x_cl45_write(bp, phy,
9146				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9147				 0x400);
9148
9149	} else { /* Default 10G. Set only LASI control */
9150		bnx2x_cl45_write(bp, phy,
9151				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9152	}
9153
9154	/* Set TX PreEmphasis if needed */
9155	if ((params->feature_config_flags &
9156	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9157		DP(NETIF_MSG_LINK,
9158		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9159			 phy->tx_preemphasis[0],
9160			 phy->tx_preemphasis[1]);
9161		bnx2x_cl45_write(bp, phy,
9162				 MDIO_PMA_DEVAD,
9163				 MDIO_PMA_REG_8726_TX_CTRL1,
9164				 phy->tx_preemphasis[0]);
9165
9166		bnx2x_cl45_write(bp, phy,
9167				 MDIO_PMA_DEVAD,
9168				 MDIO_PMA_REG_8726_TX_CTRL2,
9169				 phy->tx_preemphasis[1]);
9170	}
9171
9172	return 0;
9173
9174}
9175
9176static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9177				  struct link_params *params)
9178{
9179	struct bnx2x *bp = params->bp;
9180	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9181	/* Set serial boot control for external load */
9182	bnx2x_cl45_write(bp, phy,
9183			 MDIO_PMA_DEVAD,
9184			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9185}
9186
9187/******************************************************************/
9188/*			BCM8727 PHY SECTION			  */
9189/******************************************************************/
9190
9191static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9192				    struct link_params *params, u8 mode)
9193{
9194	struct bnx2x *bp = params->bp;
9195	u16 led_mode_bitmask = 0;
9196	u16 gpio_pins_bitmask = 0;
9197	u16 val;
9198	/* Only NOC flavor requires to set the LED specifically */
9199	if (!(phy->flags & FLAGS_NOC))
9200		return;
9201	switch (mode) {
9202	case LED_MODE_FRONT_PANEL_OFF:
9203	case LED_MODE_OFF:
9204		led_mode_bitmask = 0;
9205		gpio_pins_bitmask = 0x03;
9206		break;
9207	case LED_MODE_ON:
9208		led_mode_bitmask = 0;
9209		gpio_pins_bitmask = 0x02;
9210		break;
9211	case LED_MODE_OPER:
9212		led_mode_bitmask = 0x60;
9213		gpio_pins_bitmask = 0x11;
9214		break;
9215	}
9216	bnx2x_cl45_read(bp, phy,
9217			MDIO_PMA_DEVAD,
9218			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9219			&val);
9220	val &= 0xff8f;
9221	val |= led_mode_bitmask;
9222	bnx2x_cl45_write(bp, phy,
9223			 MDIO_PMA_DEVAD,
9224			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9225			 val);
9226	bnx2x_cl45_read(bp, phy,
9227			MDIO_PMA_DEVAD,
9228			MDIO_PMA_REG_8727_GPIO_CTRL,
9229			&val);
9230	val &= 0xffe0;
9231	val |= gpio_pins_bitmask;
9232	bnx2x_cl45_write(bp, phy,
9233			 MDIO_PMA_DEVAD,
9234			 MDIO_PMA_REG_8727_GPIO_CTRL,
9235			 val);
9236}
9237static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9238				struct link_params *params) {
9239	u32 swap_val, swap_override;
9240	u8 port;
9241	/* The PHY reset is controlled by GPIO 1. Fake the port number
9242	 * to cancel the swap done in set_gpio()
9243	 */
9244	struct bnx2x *bp = params->bp;
9245	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9246	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9247	port = (swap_val && swap_override) ^ 1;
9248	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9249		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9250}
9251
9252static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9253				    struct link_params *params)
9254{
9255	struct bnx2x *bp = params->bp;
9256	u16 tmp1, val;
9257	/* Set option 1G speed */
9258	if ((phy->req_line_speed == SPEED_1000) ||
9259	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9260		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9261		bnx2x_cl45_write(bp, phy,
9262				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9263		bnx2x_cl45_write(bp, phy,
9264				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9265		bnx2x_cl45_read(bp, phy,
9266				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9267		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9268		/* Power down the XAUI until link is up in case of dual-media
9269		 * and 1G
9270		 */
9271		if (DUAL_MEDIA(params)) {
9272			bnx2x_cl45_read(bp, phy,
9273					MDIO_PMA_DEVAD,
9274					MDIO_PMA_REG_8727_PCS_GP, &val);
9275			val |= (3<<10);
9276			bnx2x_cl45_write(bp, phy,
9277					 MDIO_PMA_DEVAD,
9278					 MDIO_PMA_REG_8727_PCS_GP, val);
9279		}
9280	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9281		   ((phy->speed_cap_mask &
9282		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9283		   ((phy->speed_cap_mask &
9284		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9285		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9286
9287		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9288		bnx2x_cl45_write(bp, phy,
9289				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9290		bnx2x_cl45_write(bp, phy,
9291				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9292	} else {
9293		/* Since the 8727 has only single reset pin, need to set the 10G
9294		 * registers although it is default
9295		 */
9296		bnx2x_cl45_write(bp, phy,
9297				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9298				 0x0020);
9299		bnx2x_cl45_write(bp, phy,
9300				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9301		bnx2x_cl45_write(bp, phy,
9302				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9303		bnx2x_cl45_write(bp, phy,
9304				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9305				 0x0008);
9306	}
9307}
9308
9309static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9310				  struct link_params *params,
9311				  struct link_vars *vars)
9312{
9313	u32 tx_en_mode;
9314	u16 tmp1, mod_abs, tmp2;
9315	struct bnx2x *bp = params->bp;
9316	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9317
9318	bnx2x_wait_reset_complete(bp, phy, params);
9319
9320	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9321
9322	bnx2x_8727_specific_func(phy, params, PHY_INIT);
9323	/* Initially configure MOD_ABS to interrupt when module is
9324	 * presence( bit 8)
9325	 */
9326	bnx2x_cl45_read(bp, phy,
9327			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9328	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9329	 * When the EDC is off it locks onto a reference clock and avoids
9330	 * becoming 'lost'
9331	 */
9332	mod_abs &= ~(1<<8);
9333	if (!(phy->flags & FLAGS_NOC))
9334		mod_abs &= ~(1<<9);
9335	bnx2x_cl45_write(bp, phy,
9336			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9337
9338	/* Enable/Disable PHY transmitter output */
9339	bnx2x_set_disable_pmd_transmit(params, phy, 0);
9340
9341	bnx2x_8727_power_module(bp, phy, 1);
9342
9343	bnx2x_cl45_read(bp, phy,
9344			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9345
9346	bnx2x_cl45_read(bp, phy,
9347			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9348
9349	bnx2x_8727_config_speed(phy, params);
9350
9351
9352	/* Set TX PreEmphasis if needed */
9353	if ((params->feature_config_flags &
9354	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9355		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9356			   phy->tx_preemphasis[0],
9357			   phy->tx_preemphasis[1]);
9358		bnx2x_cl45_write(bp, phy,
9359				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9360				 phy->tx_preemphasis[0]);
9361
9362		bnx2x_cl45_write(bp, phy,
9363				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9364				 phy->tx_preemphasis[1]);
9365	}
9366
9367	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9368	 * power mode, if TX Laser is disabled
9369	 */
9370	tx_en_mode = REG_RD(bp, params->shmem_base +
9371			    offsetof(struct shmem_region,
9372				dev_info.port_hw_config[params->port].sfp_ctrl))
9373			& PORT_HW_CFG_TX_LASER_MASK;
9374
9375	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9376
9377		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9378		bnx2x_cl45_read(bp, phy,
9379			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9380		tmp2 |= 0x1000;
9381		tmp2 &= 0xFFEF;
9382		bnx2x_cl45_write(bp, phy,
9383			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9384		bnx2x_cl45_read(bp, phy,
9385				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9386				&tmp2);
9387		bnx2x_cl45_write(bp, phy,
9388				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9389				 (tmp2 & 0x7fff));
9390	}
9391
9392	return 0;
9393}
9394
9395static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9396				      struct link_params *params)
9397{
9398	struct bnx2x *bp = params->bp;
9399	u16 mod_abs, rx_alarm_status;
9400	u32 val = REG_RD(bp, params->shmem_base +
9401			     offsetof(struct shmem_region, dev_info.
9402				      port_feature_config[params->port].
9403				      config));
9404	bnx2x_cl45_read(bp, phy,
9405			MDIO_PMA_DEVAD,
9406			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9407	if (mod_abs & (1<<8)) {
9408
9409		/* Module is absent */
9410		DP(NETIF_MSG_LINK,
9411		   "MOD_ABS indication show module is absent\n");
9412		phy->media_type = ETH_PHY_NOT_PRESENT;
9413		/* 1. Set mod_abs to detect next module
9414		 *    presence event
9415		 * 2. Set EDC off by setting OPTXLOS signal input to low
9416		 *    (bit 9).
9417		 *    When the EDC is off it locks onto a reference clock and
9418		 *    avoids becoming 'lost'.
9419		 */
9420		mod_abs &= ~(1<<8);
9421		if (!(phy->flags & FLAGS_NOC))
9422			mod_abs &= ~(1<<9);
9423		bnx2x_cl45_write(bp, phy,
9424				 MDIO_PMA_DEVAD,
9425				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9426
9427		/* Clear RX alarm since it stays up as long as
9428		 * the mod_abs wasn't changed
9429		 */
9430		bnx2x_cl45_read(bp, phy,
9431				MDIO_PMA_DEVAD,
9432				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9433
9434	} else {
9435		/* Module is present */
9436		DP(NETIF_MSG_LINK,
9437		   "MOD_ABS indication show module is present\n");
9438		/* First disable transmitter, and if the module is ok, the
9439		 * module_detection will enable it
9440		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9441		 * 2. Restore the default polarity of the OPRXLOS signal and
9442		 * this signal will then correctly indicate the presence or
9443		 * absence of the Rx signal. (bit 9)
9444		 */
9445		mod_abs |= (1<<8);
9446		if (!(phy->flags & FLAGS_NOC))
9447			mod_abs |= (1<<9);
9448		bnx2x_cl45_write(bp, phy,
9449				 MDIO_PMA_DEVAD,
9450				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9451
9452		/* Clear RX alarm since it stays up as long as the mod_abs
9453		 * wasn't changed. This is need to be done before calling the
9454		 * module detection, otherwise it will clear* the link update
9455		 * alarm
9456		 */
9457		bnx2x_cl45_read(bp, phy,
9458				MDIO_PMA_DEVAD,
9459				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9460
9461
9462		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9463		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9464			bnx2x_sfp_set_transmitter(params, phy, 0);
9465
9466		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9467			bnx2x_sfp_module_detection(phy, params);
9468		else
9469			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9470
9471		/* Reconfigure link speed based on module type limitations */
9472		bnx2x_8727_config_speed(phy, params);
9473	}
9474
9475	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9476		   rx_alarm_status);
9477	/* No need to check link status in case of module plugged in/out */
9478}
9479
9480static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9481				 struct link_params *params,
9482				 struct link_vars *vars)
9483
9484{
9485	struct bnx2x *bp = params->bp;
9486	u8 link_up = 0, oc_port = params->port;
9487	u16 link_status = 0;
9488	u16 rx_alarm_status, lasi_ctrl, val1;
9489
9490	/* If PHY is not initialized, do not check link status */
9491	bnx2x_cl45_read(bp, phy,
9492			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9493			&lasi_ctrl);
9494	if (!lasi_ctrl)
9495		return 0;
9496
9497	/* Check the LASI on Rx */
9498	bnx2x_cl45_read(bp, phy,
9499			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9500			&rx_alarm_status);
9501	vars->line_speed = 0;
9502	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9503
9504	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9505			     MDIO_PMA_LASI_TXCTRL);
9506
9507	bnx2x_cl45_read(bp, phy,
9508			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9509
9510	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9511
9512	/* Clear MSG-OUT */
9513	bnx2x_cl45_read(bp, phy,
9514			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9515
9516	/* If a module is present and there is need to check
9517	 * for over current
9518	 */
9519	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9520		/* Check over-current using 8727 GPIO0 input*/
9521		bnx2x_cl45_read(bp, phy,
9522				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9523				&val1);
9524
9525		if ((val1 & (1<<8)) == 0) {
9526			if (!CHIP_IS_E1x(bp))
9527				oc_port = BP_PATH(bp) + (params->port << 1);
9528			DP(NETIF_MSG_LINK,
9529			   "8727 Power fault has been detected on port %d\n",
9530			   oc_port);
9531			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9532					    "been detected and the power to "
9533					    "that SFP+ module has been removed "
9534					    "to prevent failure of the card. "
9535					    "Please remove the SFP+ module and "
9536					    "restart the system to clear this "
9537					    "error.\n",
9538			 oc_port);
9539			/* Disable all RX_ALARMs except for mod_abs */
9540			bnx2x_cl45_write(bp, phy,
9541					 MDIO_PMA_DEVAD,
9542					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9543
9544			bnx2x_cl45_read(bp, phy,
9545					MDIO_PMA_DEVAD,
9546					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9547			/* Wait for module_absent_event */
9548			val1 |= (1<<8);
9549			bnx2x_cl45_write(bp, phy,
9550					 MDIO_PMA_DEVAD,
9551					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9552			/* Clear RX alarm */
9553			bnx2x_cl45_read(bp, phy,
9554				MDIO_PMA_DEVAD,
9555				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9556			bnx2x_8727_power_module(params->bp, phy, 0);
9557			return 0;
9558		}
9559	} /* Over current check */
9560
9561	/* When module absent bit is set, check module */
9562	if (rx_alarm_status & (1<<5)) {
9563		bnx2x_8727_handle_mod_abs(phy, params);
9564		/* Enable all mod_abs and link detection bits */
9565		bnx2x_cl45_write(bp, phy,
9566				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9567				 ((1<<5) | (1<<2)));
9568	}
9569
9570	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9571		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9572		bnx2x_sfp_set_transmitter(params, phy, 1);
9573	} else {
9574		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9575		return 0;
9576	}
9577
9578	bnx2x_cl45_read(bp, phy,
9579			MDIO_PMA_DEVAD,
9580			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9581
9582	/* Bits 0..2 --> speed detected,
9583	 * Bits 13..15--> link is down
9584	 */
9585	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9586		link_up = 1;
9587		vars->line_speed = SPEED_10000;
9588		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9589			   params->port);
9590	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9591		link_up = 1;
9592		vars->line_speed = SPEED_1000;
9593		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9594			   params->port);
9595	} else {
9596		link_up = 0;
9597		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9598			   params->port);
9599	}
9600
9601	/* Capture 10G link fault. */
9602	if (vars->line_speed == SPEED_10000) {
9603		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9604			    MDIO_PMA_LASI_TXSTAT, &val1);
9605
9606		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9607			    MDIO_PMA_LASI_TXSTAT, &val1);
9608
9609		if (val1 & (1<<0)) {
9610			vars->fault_detected = 1;
9611		}
9612	}
9613
9614	if (link_up) {
9615		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9616		vars->duplex = DUPLEX_FULL;
9617		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9618	}
9619
9620	if ((DUAL_MEDIA(params)) &&
9621	    (phy->req_line_speed == SPEED_1000)) {
9622		bnx2x_cl45_read(bp, phy,
9623				MDIO_PMA_DEVAD,
9624				MDIO_PMA_REG_8727_PCS_GP, &val1);
9625		/* In case of dual-media board and 1G, power up the XAUI side,
9626		 * otherwise power it down. For 10G it is done automatically
9627		 */
9628		if (link_up)
9629			val1 &= ~(3<<10);
9630		else
9631			val1 |= (3<<10);
9632		bnx2x_cl45_write(bp, phy,
9633				 MDIO_PMA_DEVAD,
9634				 MDIO_PMA_REG_8727_PCS_GP, val1);
9635	}
9636	return link_up;
9637}
9638
9639static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9640				  struct link_params *params)
9641{
9642	struct bnx2x *bp = params->bp;
9643
9644	/* Enable/Disable PHY transmitter output */
9645	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9646
9647	/* Disable Transmitter */
9648	bnx2x_sfp_set_transmitter(params, phy, 0);
9649	/* Clear LASI */
9650	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9651
9652}
9653
9654/******************************************************************/
9655/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9656/******************************************************************/
9657static int bnx2x_is_8483x_8485x(struct bnx2x_phy *phy)
9658{
9659	return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9660		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
9661		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
9662}
9663
9664static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9665					    struct bnx2x *bp,
9666					    u8 port)
9667{
9668	u16 val, fw_ver2, cnt, i;
9669	static struct bnx2x_reg_set reg_set[] = {
9670		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
9671		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9672		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9673		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9674		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
9675	};
9676	u16 fw_ver1;
9677
9678	if (bnx2x_is_8483x_8485x(phy)) {
9679		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9680		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9681				phy->ver_addr);
9682	} else {
9683		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9684		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9685		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9686			bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9687					 reg_set[i].reg, reg_set[i].val);
9688
9689		for (cnt = 0; cnt < 100; cnt++) {
9690			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9691			if (val & 1)
9692				break;
9693			udelay(5);
9694		}
9695		if (cnt == 100) {
9696			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9697					"phy fw version(1)\n");
9698			bnx2x_save_spirom_version(bp, port, 0,
9699						  phy->ver_addr);
9700			return;
9701		}
9702
9703
9704		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9705		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9706		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9707		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9708		for (cnt = 0; cnt < 100; cnt++) {
9709			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9710			if (val & 1)
9711				break;
9712			udelay(5);
9713		}
9714		if (cnt == 100) {
9715			DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9716					"version(2)\n");
9717			bnx2x_save_spirom_version(bp, port, 0,
9718						  phy->ver_addr);
9719			return;
9720		}
9721
9722		/* lower 16 bits of the register SPI_FW_STATUS */
9723		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9724		/* upper 16 bits of register SPI_FW_STATUS */
9725		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9726
9727		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9728					  phy->ver_addr);
9729	}
9730
9731}
9732static void bnx2x_848xx_set_led(struct bnx2x *bp,
9733				struct bnx2x_phy *phy)
9734{
9735	u16 val, offset, i;
9736	static struct bnx2x_reg_set reg_set[] = {
9737		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9738		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9739		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9740		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9741		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9742			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9743		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9744	};
9745	/* PHYC_CTL_LED_CTL */
9746	bnx2x_cl45_read(bp, phy,
9747			MDIO_PMA_DEVAD,
9748			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9749	val &= 0xFE00;
9750	val |= 0x0092;
9751
9752	bnx2x_cl45_write(bp, phy,
9753			 MDIO_PMA_DEVAD,
9754			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9755
9756	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9757		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9758				 reg_set[i].val);
9759
9760	if (bnx2x_is_8483x_8485x(phy))
9761		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9762	else
9763		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9764
9765	/* stretch_en for LED3*/
9766	bnx2x_cl45_read_or_write(bp, phy,
9767				 MDIO_PMA_DEVAD, offset,
9768				 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
9769}
9770
9771static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9772				      struct link_params *params,
9773				      u32 action)
9774{
9775	struct bnx2x *bp = params->bp;
9776	switch (action) {
9777	case PHY_INIT:
9778		if (!bnx2x_is_8483x_8485x(phy)) {
9779			/* Save spirom version */
9780			bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9781		}
9782		/* This phy uses the NIG latch mechanism since link indication
9783		 * arrives through its LED4 and not via its LASI signal, so we
9784		 * get steady signal instead of clear on read
9785		 */
9786		bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9787			      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9788
9789		bnx2x_848xx_set_led(bp, phy);
9790		break;
9791	}
9792}
9793
9794static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9795				       struct link_params *params,
9796				       struct link_vars *vars)
9797{
9798	struct bnx2x *bp = params->bp;
9799	u16 autoneg_val, an_1000_val, an_10_100_val;
9800
9801	bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9802	bnx2x_cl45_write(bp, phy,
9803			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9804
9805	/* set 1000 speed advertisement */
9806	bnx2x_cl45_read(bp, phy,
9807			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9808			&an_1000_val);
9809
9810	bnx2x_ext_phy_set_pause(params, phy, vars);
9811	bnx2x_cl45_read(bp, phy,
9812			MDIO_AN_DEVAD,
9813			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9814			&an_10_100_val);
9815	bnx2x_cl45_read(bp, phy,
9816			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9817			&autoneg_val);
9818	/* Disable forced speed */
9819	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9820	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9821
9822	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9823	     (phy->speed_cap_mask &
9824	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9825	    (phy->req_line_speed == SPEED_1000)) {
9826		an_1000_val |= (1<<8);
9827		autoneg_val |= (1<<9 | 1<<12);
9828		if (phy->req_duplex == DUPLEX_FULL)
9829			an_1000_val |= (1<<9);
9830		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9831	} else
9832		an_1000_val &= ~((1<<8) | (1<<9));
9833
9834	bnx2x_cl45_write(bp, phy,
9835			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9836			 an_1000_val);
9837
9838	/* Set 10/100 speed advertisement */
9839	if (phy->req_line_speed == SPEED_AUTO_NEG) {
9840		if (phy->speed_cap_mask &
9841		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9842			/* Enable autoneg and restart autoneg for legacy speeds
9843			 */
9844			autoneg_val |= (1<<9 | 1<<12);
9845			an_10_100_val |= (1<<8);
9846			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9847		}
9848
9849		if (phy->speed_cap_mask &
9850		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9851			/* Enable autoneg and restart autoneg for legacy speeds
9852			 */
9853			autoneg_val |= (1<<9 | 1<<12);
9854			an_10_100_val |= (1<<7);
9855			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9856		}
9857
9858		if ((phy->speed_cap_mask &
9859		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9860		    (phy->supported & SUPPORTED_10baseT_Full)) {
9861			an_10_100_val |= (1<<6);
9862			autoneg_val |= (1<<9 | 1<<12);
9863			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9864		}
9865
9866		if ((phy->speed_cap_mask &
9867		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9868		    (phy->supported & SUPPORTED_10baseT_Half)) {
9869			an_10_100_val |= (1<<5);
9870			autoneg_val |= (1<<9 | 1<<12);
9871			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9872		}
9873	}
9874
9875	/* Only 10/100 are allowed to work in FORCE mode */
9876	if ((phy->req_line_speed == SPEED_100) &&
9877	    (phy->supported &
9878	     (SUPPORTED_100baseT_Half |
9879	      SUPPORTED_100baseT_Full))) {
9880		autoneg_val |= (1<<13);
9881		/* Enabled AUTO-MDIX when autoneg is disabled */
9882		bnx2x_cl45_write(bp, phy,
9883				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9884				 (1<<15 | 1<<9 | 7<<0));
9885		/* The PHY needs this set even for forced link. */
9886		an_10_100_val |= (1<<8) | (1<<7);
9887		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9888	}
9889	if ((phy->req_line_speed == SPEED_10) &&
9890	    (phy->supported &
9891	     (SUPPORTED_10baseT_Half |
9892	      SUPPORTED_10baseT_Full))) {
9893		/* Enabled AUTO-MDIX when autoneg is disabled */
9894		bnx2x_cl45_write(bp, phy,
9895				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9896				 (1<<15 | 1<<9 | 7<<0));
9897		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9898	}
9899
9900	bnx2x_cl45_write(bp, phy,
9901			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9902			 an_10_100_val);
9903
9904	if (phy->req_duplex == DUPLEX_FULL)
9905		autoneg_val |= (1<<8);
9906
9907	/* Always write this if this is not 84833/4.
9908	 * For 84833/4, write it only when it's a forced speed.
9909	 */
9910	if (!bnx2x_is_8483x_8485x(phy) ||
9911	    ((autoneg_val & (1<<12)) == 0))
9912		bnx2x_cl45_write(bp, phy,
9913			 MDIO_AN_DEVAD,
9914			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9915
9916	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9917	    (phy->speed_cap_mask &
9918	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9919		(phy->req_line_speed == SPEED_10000)) {
9920			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9921			/* Restart autoneg for 10G*/
9922
9923			bnx2x_cl45_read_or_write(
9924				bp, phy,
9925				MDIO_AN_DEVAD,
9926				MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9927				0x1000);
9928			bnx2x_cl45_write(bp, phy,
9929					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9930					 0x3200);
9931	} else
9932		bnx2x_cl45_write(bp, phy,
9933				 MDIO_AN_DEVAD,
9934				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9935				 1);
9936
9937	return 0;
9938}
9939
9940static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9941				  struct link_params *params,
9942				  struct link_vars *vars)
9943{
9944	struct bnx2x *bp = params->bp;
9945	/* Restore normal power mode*/
9946	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9947		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9948
9949	/* HW reset */
9950	bnx2x_ext_phy_hw_reset(bp, params->port);
9951	bnx2x_wait_reset_complete(bp, phy, params);
9952
9953	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9954	return bnx2x_848xx_cmn_config_init(phy, params, vars);
9955}
9956
9957#define PHY848xx_CMDHDLR_WAIT 300
9958#define PHY848xx_CMDHDLR_MAX_ARGS 5
9959
9960static int bnx2x_84858_cmd_hdlr(struct bnx2x_phy *phy,
9961				struct link_params *params,
9962				u16 fw_cmd,
9963				u16 cmd_args[], int argc)
9964{
9965	int idx;
9966	u16 val;
9967	struct bnx2x *bp = params->bp;
9968
9969	/* Step 1: Poll the STATUS register to see whether the previous command
9970	 * is in progress or the system is busy (CMD_IN_PROGRESS or
9971	 * SYSTEM_BUSY). If previous command is in progress or system is busy,
9972	 * check again until the previous command finishes execution and the
9973	 * system is available for taking command
9974	 */
9975
9976	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
9977		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9978				MDIO_848xx_CMD_HDLR_STATUS, &val);
9979		if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
9980		    (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
9981			break;
9982		usleep_range(1000, 2000);
9983	}
9984	if (idx >= PHY848xx_CMDHDLR_WAIT) {
9985		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9986		return -EINVAL;
9987	}
9988
9989	/* Step2: If any parameters are required for the function, write them
9990	 * to the required DATA registers
9991	 */
9992
9993	for (idx = 0; idx < argc; idx++) {
9994		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9995				 MDIO_848xx_CMD_HDLR_DATA1 + idx,
9996				 cmd_args[idx]);
9997	}
9998
9999	/* Step3: When the firmware is ready for commands, write the 'Command
10000	 * code' to the CMD register
10001	 */
10002	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10003			 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10004
10005	/* Step4: Once the command has been written, poll the STATUS register
10006	 * to check whether the command has completed (CMD_COMPLETED_PASS/
10007	 * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
10008	 */
10009
10010	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10011		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10012				MDIO_848xx_CMD_HDLR_STATUS, &val);
10013		if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
10014		    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
10015			break;
10016		usleep_range(1000, 2000);
10017	}
10018	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10019	    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
10020		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
10021		return -EINVAL;
10022	}
10023	/* Step5: Once the command has completed, read the specficied DATA
10024	 * registers for any saved results for the command, if applicable
10025	 */
10026
10027	/* Gather returning data */
10028	for (idx = 0; idx < argc; idx++) {
10029		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10030				MDIO_848xx_CMD_HDLR_DATA1 + idx,
10031				&cmd_args[idx]);
10032	}
10033
10034	return 0;
10035}
10036
10037static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
10038				struct link_params *params, u16 fw_cmd,
10039				u16 cmd_args[], int argc)
10040{
10041	int idx;
10042	u16 val;
10043	struct bnx2x *bp = params->bp;
10044	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
10045	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10046			MDIO_848xx_CMD_HDLR_STATUS,
10047			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
10048	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10049		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10050				MDIO_848xx_CMD_HDLR_STATUS, &val);
10051		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
10052			break;
10053		usleep_range(1000, 2000);
10054	}
10055	if (idx >= PHY848xx_CMDHDLR_WAIT) {
10056		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
10057		return -EINVAL;
10058	}
10059
10060	/* Prepare argument(s) and issue command */
10061	for (idx = 0; idx < argc; idx++) {
10062		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10063				MDIO_848xx_CMD_HDLR_DATA1 + idx,
10064				cmd_args[idx]);
10065	}
10066	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10067			MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10068	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10069		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10070				MDIO_848xx_CMD_HDLR_STATUS, &val);
10071		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
10072		    (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
10073			break;
10074		usleep_range(1000, 2000);
10075	}
10076	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10077	    (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
10078		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
10079		return -EINVAL;
10080	}
10081	/* Gather returning data */
10082	for (idx = 0; idx < argc; idx++) {
10083		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10084				MDIO_848xx_CMD_HDLR_DATA1 + idx,
10085				&cmd_args[idx]);
10086	}
10087	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10088			MDIO_848xx_CMD_HDLR_STATUS,
10089			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
10090	return 0;
10091}
10092
10093static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy,
10094				struct link_params *params,
10095				u16 fw_cmd,
10096				u16 cmd_args[], int argc)
10097{
10098	struct bnx2x *bp = params->bp;
10099
10100	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
10101	    (REG_RD(bp, params->shmem2_base +
10102		    offsetof(struct shmem2_region,
10103			     link_attr_sync[params->port])) &
10104	     LINK_ATTR_84858)) {
10105		return bnx2x_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
10106					    argc);
10107	} else {
10108		return bnx2x_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
10109					    argc);
10110	}
10111}
10112
10113static int bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy *phy,
10114				     struct link_params *params,
10115				     struct link_vars *vars)
10116{
10117	u32 pair_swap;
10118	u16 data[PHY848xx_CMDHDLR_MAX_ARGS];
10119	int status;
10120	struct bnx2x *bp = params->bp;
10121
10122	/* Check for configuration. */
10123	pair_swap = REG_RD(bp, params->shmem_base +
10124			   offsetof(struct shmem_region,
10125			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
10126		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
10127
10128	if (pair_swap == 0)
10129		return 0;
10130
10131	/* Only the second argument is used for this command */
10132	data[1] = (u16)pair_swap;
10133
10134	status = bnx2x_848xx_cmd_hdlr(phy, params,
10135				      PHY848xx_CMD_SET_PAIR_SWAP, data,
10136				      PHY848xx_CMDHDLR_MAX_ARGS);
10137	if (status == 0)
10138		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
10139
10140	return status;
10141}
10142
10143static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
10144				      u32 shmem_base_path[],
10145				      u32 chip_id)
10146{
10147	u32 reset_pin[2];
10148	u32 idx;
10149	u8 reset_gpios;
10150	if (CHIP_IS_E3(bp)) {
10151		/* Assume that these will be GPIOs, not EPIOs. */
10152		for (idx = 0; idx < 2; idx++) {
10153			/* Map config param to register bit. */
10154			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10155				offsetof(struct shmem_region,
10156				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
10157			reset_pin[idx] = (reset_pin[idx] &
10158				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10159				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10160			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
10161			reset_pin[idx] = (1 << reset_pin[idx]);
10162		}
10163		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10164	} else {
10165		/* E2, look from diff place of shmem. */
10166		for (idx = 0; idx < 2; idx++) {
10167			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10168				offsetof(struct shmem_region,
10169				dev_info.port_hw_config[0].default_cfg));
10170			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10171			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10172			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10173			reset_pin[idx] = (1 << reset_pin[idx]);
10174		}
10175		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10176	}
10177
10178	return reset_gpios;
10179}
10180
10181static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10182				struct link_params *params)
10183{
10184	struct bnx2x *bp = params->bp;
10185	u8 reset_gpios;
10186	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10187				offsetof(struct shmem2_region,
10188				other_shmem_base_addr));
10189
10190	u32 shmem_base_path[2];
10191
10192	/* Work around for 84833 LED failure inside RESET status */
10193	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10194		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10195		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10196	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10197		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10198		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10199
10200	shmem_base_path[0] = params->shmem_base;
10201	shmem_base_path[1] = other_shmem_base_addr;
10202
10203	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10204						  params->chip_id);
10205
10206	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10207	udelay(10);
10208	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10209		reset_gpios);
10210
10211	return 0;
10212}
10213
10214static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10215				   struct link_params *params,
10216				   struct link_vars *vars)
10217{
10218	int rc;
10219	struct bnx2x *bp = params->bp;
10220	u16 cmd_args = 0;
10221
10222	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10223
10224	/* Prevent Phy from working in EEE and advertising it */
10225	rc = bnx2x_848xx_cmd_hdlr(phy, params,
10226				  PHY848xx_CMD_SET_EEE_MODE, &cmd_args, 1);
10227	if (rc) {
10228		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10229		return rc;
10230	}
10231
10232	return bnx2x_eee_disable(phy, params, vars);
10233}
10234
10235static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10236				   struct link_params *params,
10237				   struct link_vars *vars)
10238{
10239	int rc;
10240	struct bnx2x *bp = params->bp;
10241	u16 cmd_args = 1;
10242
10243	rc = bnx2x_848xx_cmd_hdlr(phy, params,
10244				  PHY848xx_CMD_SET_EEE_MODE, &cmd_args, 1);
10245	if (rc) {
10246		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10247		return rc;
10248	}
10249
10250	return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10251}
10252
10253#define PHY84833_CONSTANT_LATENCY 1193
10254static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10255				   struct link_params *params,
10256				   struct link_vars *vars)
10257{
10258	struct bnx2x *bp = params->bp;
10259	u8 port, initialize = 1;
10260	u16 val;
10261	u32 actual_phy_selection;
10262	u16 cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
10263	int rc = 0;
10264
10265	usleep_range(1000, 2000);
10266
10267	if (!(CHIP_IS_E1x(bp)))
10268		port = BP_PATH(bp);
10269	else
10270		port = params->port;
10271
10272	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10273		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10274			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10275			       port);
10276	} else {
10277		/* MDIO reset */
10278		bnx2x_cl45_write(bp, phy,
10279				MDIO_PMA_DEVAD,
10280				MDIO_PMA_REG_CTRL, 0x8000);
10281	}
10282
10283	bnx2x_wait_reset_complete(bp, phy, params);
10284
10285	/* Wait for GPHY to come out of reset */
10286	msleep(50);
10287	if (!bnx2x_is_8483x_8485x(phy)) {
10288		/* BCM84823 requires that XGXS links up first @ 10G for normal
10289		 * behavior.
10290		 */
10291		u16 temp;
10292		temp = vars->line_speed;
10293		vars->line_speed = SPEED_10000;
10294		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10295		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10296		vars->line_speed = temp;
10297	}
10298	/* Check if this is actually BCM84858 */
10299	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10300		u16 hw_rev;
10301
10302		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10303				MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
10304		if (hw_rev == BCM84858_PHY_ID) {
10305			params->link_attr_sync |= LINK_ATTR_84858;
10306			bnx2x_update_link_attr(params, params->link_attr_sync);
10307		}
10308	}
10309
10310	/* Set dual-media configuration according to configuration */
10311	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10312			MDIO_CTL_REG_84823_MEDIA, &val);
10313	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10314		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10315		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10316		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10317		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10318
10319	if (CHIP_IS_E3(bp)) {
10320		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10321			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10322	} else {
10323		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10324			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10325	}
10326
10327	actual_phy_selection = bnx2x_phy_selection(params);
10328
10329	switch (actual_phy_selection) {
10330	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10331		/* Do nothing. Essentially this is like the priority copper */
10332		break;
10333	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10334		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10335		break;
10336	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10337		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10338		break;
10339	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10340		/* Do nothing here. The first PHY won't be initialized at all */
10341		break;
10342	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10343		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10344		initialize = 0;
10345		break;
10346	}
10347	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10348		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10349
10350	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10351			 MDIO_CTL_REG_84823_MEDIA, val);
10352	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10353		   params->multi_phy_config, val);
10354
10355	if (bnx2x_is_8483x_8485x(phy)) {
10356		bnx2x_848xx_pair_swap_cfg(phy, params, vars);
10357
10358		/* Keep AutogrEEEn disabled. */
10359		cmd_args[0] = 0x0;
10360		cmd_args[1] = 0x0;
10361		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10362		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10363		rc = bnx2x_848xx_cmd_hdlr(phy, params,
10364					  PHY848xx_CMD_SET_EEE_MODE, cmd_args,
10365					  PHY848xx_CMDHDLR_MAX_ARGS);
10366		if (rc)
10367			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10368	}
10369	if (initialize)
10370		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10371	else
10372		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10373	/* 84833 PHY has a better feature and doesn't need to support this. */
10374	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10375		u32 cms_enable = REG_RD(bp, params->shmem_base +
10376			offsetof(struct shmem_region,
10377			dev_info.port_hw_config[params->port].default_cfg)) &
10378			PORT_HW_CFG_ENABLE_CMS_MASK;
10379
10380		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10381				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10382		if (cms_enable)
10383			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10384		else
10385			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10386		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10387				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10388	}
10389
10390	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10391			MDIO_84833_TOP_CFG_FW_REV, &val);
10392
10393	/* Configure EEE support */
10394	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10395	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10396	    bnx2x_eee_has_cap(params)) {
10397		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10398		if (rc) {
10399			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10400			bnx2x_8483x_disable_eee(phy, params, vars);
10401			return rc;
10402		}
10403
10404		if ((phy->req_duplex == DUPLEX_FULL) &&
10405		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
10406		    (bnx2x_eee_calc_timer(params) ||
10407		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10408			rc = bnx2x_8483x_enable_eee(phy, params, vars);
10409		else
10410			rc = bnx2x_8483x_disable_eee(phy, params, vars);
10411		if (rc) {
10412			DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10413			return rc;
10414		}
10415	} else {
10416		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10417	}
10418
10419	if (bnx2x_is_8483x_8485x(phy)) {
10420		/* Bring PHY out of super isolate mode as the final step. */
10421		bnx2x_cl45_read_and_write(bp, phy,
10422					  MDIO_CTL_DEVAD,
10423					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10424					  (u16)~MDIO_84833_SUPER_ISOLATE);
10425	}
10426	return rc;
10427}
10428
10429static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10430				  struct link_params *params,
10431				  struct link_vars *vars)
10432{
10433	struct bnx2x *bp = params->bp;
10434	u16 val, val1, val2;
10435	u8 link_up = 0;
10436
10437
10438	/* Check 10G-BaseT link status */
10439	/* Check PMD signal ok */
10440	bnx2x_cl45_read(bp, phy,
10441			MDIO_AN_DEVAD, 0xFFFA, &val1);
10442	bnx2x_cl45_read(bp, phy,
10443			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10444			&val2);
10445	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10446
10447	/* Check link 10G */
10448	if (val2 & (1<<11)) {
10449		vars->line_speed = SPEED_10000;
10450		vars->duplex = DUPLEX_FULL;
10451		link_up = 1;
10452		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10453	} else { /* Check Legacy speed link */
10454		u16 legacy_status, legacy_speed;
10455
10456		/* Enable expansion register 0x42 (Operation mode status) */
10457		bnx2x_cl45_write(bp, phy,
10458				 MDIO_AN_DEVAD,
10459				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10460
10461		/* Get legacy speed operation status */
10462		bnx2x_cl45_read(bp, phy,
10463				MDIO_AN_DEVAD,
10464				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10465				&legacy_status);
10466
10467		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10468		   legacy_status);
10469		link_up = ((legacy_status & (1<<11)) == (1<<11));
10470		legacy_speed = (legacy_status & (3<<9));
10471		if (legacy_speed == (0<<9))
10472			vars->line_speed = SPEED_10;
10473		else if (legacy_speed == (1<<9))
10474			vars->line_speed = SPEED_100;
10475		else if (legacy_speed == (2<<9))
10476			vars->line_speed = SPEED_1000;
10477		else { /* Should not happen: Treat as link down */
10478			vars->line_speed = 0;
10479			link_up = 0;
10480		}
10481
10482		if (link_up) {
10483			if (legacy_status & (1<<8))
10484				vars->duplex = DUPLEX_FULL;
10485			else
10486				vars->duplex = DUPLEX_HALF;
10487
10488			DP(NETIF_MSG_LINK,
10489			   "Link is up in %dMbps, is_duplex_full= %d\n",
10490			   vars->line_speed,
10491			   (vars->duplex == DUPLEX_FULL));
10492			/* Check legacy speed AN resolution */
10493			bnx2x_cl45_read(bp, phy,
10494					MDIO_AN_DEVAD,
10495					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10496					&val);
10497			if (val & (1<<5))
10498				vars->link_status |=
10499					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10500			bnx2x_cl45_read(bp, phy,
10501					MDIO_AN_DEVAD,
10502					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10503					&val);
10504			if ((val & (1<<0)) == 0)
10505				vars->link_status |=
10506					LINK_STATUS_PARALLEL_DETECTION_USED;
10507		}
10508	}
10509	if (link_up) {
10510		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10511			   vars->line_speed);
10512		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10513
10514		/* Read LP advertised speeds */
10515		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10516				MDIO_AN_REG_CL37_FC_LP, &val);
10517		if (val & (1<<5))
10518			vars->link_status |=
10519				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10520		if (val & (1<<6))
10521			vars->link_status |=
10522				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10523		if (val & (1<<7))
10524			vars->link_status |=
10525				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10526		if (val & (1<<8))
10527			vars->link_status |=
10528				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10529		if (val & (1<<9))
10530			vars->link_status |=
10531				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10532
10533		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10534				MDIO_AN_REG_1000T_STATUS, &val);
10535
10536		if (val & (1<<10))
10537			vars->link_status |=
10538				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10539		if (val & (1<<11))
10540			vars->link_status |=
10541				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10542
10543		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10544				MDIO_AN_REG_MASTER_STATUS, &val);
10545
10546		if (val & (1<<11))
10547			vars->link_status |=
10548				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10549
10550		/* Determine if EEE was negotiated */
10551		if (bnx2x_is_8483x_8485x(phy))
10552			bnx2x_eee_an_resolve(phy, params, vars);
10553	}
10554
10555	return link_up;
10556}
10557
10558static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10559{
10560	int status = 0;
10561	u32 spirom_ver;
10562	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10563	status = bnx2x_format_ver(spirom_ver, str, len);
10564	return status;
10565}
10566
10567static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10568				struct link_params *params)
10569{
10570	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10571		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10572	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10573		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10574}
10575
10576static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10577					struct link_params *params)
10578{
10579	bnx2x_cl45_write(params->bp, phy,
10580			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10581	bnx2x_cl45_write(params->bp, phy,
10582			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10583}
10584
10585static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10586				   struct link_params *params)
10587{
10588	struct bnx2x *bp = params->bp;
10589	u8 port;
10590	u16 val16;
10591
10592	if (!(CHIP_IS_E1x(bp)))
10593		port = BP_PATH(bp);
10594	else
10595		port = params->port;
10596
10597	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10598		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10599			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10600			       port);
10601	} else {
10602		bnx2x_cl45_read(bp, phy,
10603				MDIO_CTL_DEVAD,
10604				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10605		val16 |= MDIO_84833_SUPER_ISOLATE;
10606		bnx2x_cl45_write(bp, phy,
10607				 MDIO_CTL_DEVAD,
10608				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10609	}
10610}
10611
10612static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10613				     struct link_params *params, u8 mode)
10614{
10615	struct bnx2x *bp = params->bp;
10616	u16 val;
10617	u8 port;
10618
10619	if (!(CHIP_IS_E1x(bp)))
10620		port = BP_PATH(bp);
10621	else
10622		port = params->port;
10623
10624	switch (mode) {
10625	case LED_MODE_OFF:
10626
10627		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10628
10629		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10630		    SHARED_HW_CFG_LED_EXTPHY1) {
10631
10632			/* Set LED masks */
10633			bnx2x_cl45_write(bp, phy,
10634					MDIO_PMA_DEVAD,
10635					MDIO_PMA_REG_8481_LED1_MASK,
10636					0x0);
10637
10638			bnx2x_cl45_write(bp, phy,
10639					MDIO_PMA_DEVAD,
10640					MDIO_PMA_REG_8481_LED2_MASK,
10641					0x0);
10642
10643			bnx2x_cl45_write(bp, phy,
10644					MDIO_PMA_DEVAD,
10645					MDIO_PMA_REG_8481_LED3_MASK,
10646					0x0);
10647
10648			bnx2x_cl45_write(bp, phy,
10649					MDIO_PMA_DEVAD,
10650					MDIO_PMA_REG_8481_LED5_MASK,
10651					0x0);
10652
10653		} else {
10654			bnx2x_cl45_write(bp, phy,
10655					 MDIO_PMA_DEVAD,
10656					 MDIO_PMA_REG_8481_LED1_MASK,
10657					 0x0);
10658		}
10659		break;
10660	case LED_MODE_FRONT_PANEL_OFF:
10661
10662		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10663		   port);
10664
10665		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10666		    SHARED_HW_CFG_LED_EXTPHY1) {
10667
10668			/* Set LED masks */
10669			bnx2x_cl45_write(bp, phy,
10670					 MDIO_PMA_DEVAD,
10671					 MDIO_PMA_REG_8481_LED1_MASK,
10672					 0x0);
10673
10674			bnx2x_cl45_write(bp, phy,
10675					 MDIO_PMA_DEVAD,
10676					 MDIO_PMA_REG_8481_LED2_MASK,
10677					 0x0);
10678
10679			bnx2x_cl45_write(bp, phy,
10680					 MDIO_PMA_DEVAD,
10681					 MDIO_PMA_REG_8481_LED3_MASK,
10682					 0x0);
10683
10684			bnx2x_cl45_write(bp, phy,
10685					 MDIO_PMA_DEVAD,
10686					 MDIO_PMA_REG_8481_LED5_MASK,
10687					 0x20);
10688
10689		} else {
10690			bnx2x_cl45_write(bp, phy,
10691					 MDIO_PMA_DEVAD,
10692					 MDIO_PMA_REG_8481_LED1_MASK,
10693					 0x0);
10694			if (phy->type ==
10695			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10696				/* Disable MI_INT interrupt before setting LED4
10697				 * source to constant off.
10698				 */
10699				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10700					   params->port*4) &
10701				    NIG_MASK_MI_INT) {
10702					params->link_flags |=
10703					LINK_FLAGS_INT_DISABLED;
10704
10705					bnx2x_bits_dis(
10706						bp,
10707						NIG_REG_MASK_INTERRUPT_PORT0 +
10708						params->port*4,
10709						NIG_MASK_MI_INT);
10710				}
10711				bnx2x_cl45_write(bp, phy,
10712						 MDIO_PMA_DEVAD,
10713						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10714						 0x0);
10715			}
10716		}
10717		break;
10718	case LED_MODE_ON:
10719
10720		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10721
10722		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10723		    SHARED_HW_CFG_LED_EXTPHY1) {
10724			/* Set control reg */
10725			bnx2x_cl45_read(bp, phy,
10726					MDIO_PMA_DEVAD,
10727					MDIO_PMA_REG_8481_LINK_SIGNAL,
10728					&val);
10729			val &= 0x8000;
10730			val |= 0x2492;
10731
10732			bnx2x_cl45_write(bp, phy,
10733					 MDIO_PMA_DEVAD,
10734					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10735					 val);
10736
10737			/* Set LED masks */
10738			bnx2x_cl45_write(bp, phy,
10739					 MDIO_PMA_DEVAD,
10740					 MDIO_PMA_REG_8481_LED1_MASK,
10741					 0x0);
10742
10743			bnx2x_cl45_write(bp, phy,
10744					 MDIO_PMA_DEVAD,
10745					 MDIO_PMA_REG_8481_LED2_MASK,
10746					 0x20);
10747
10748			bnx2x_cl45_write(bp, phy,
10749					 MDIO_PMA_DEVAD,
10750					 MDIO_PMA_REG_8481_LED3_MASK,
10751					 0x20);
10752
10753			bnx2x_cl45_write(bp, phy,
10754					 MDIO_PMA_DEVAD,
10755					 MDIO_PMA_REG_8481_LED5_MASK,
10756					 0x0);
10757		} else {
10758			bnx2x_cl45_write(bp, phy,
10759					 MDIO_PMA_DEVAD,
10760					 MDIO_PMA_REG_8481_LED1_MASK,
10761					 0x20);
10762			if (phy->type ==
10763			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10764				/* Disable MI_INT interrupt before setting LED4
10765				 * source to constant on.
10766				 */
10767				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10768					   params->port*4) &
10769				    NIG_MASK_MI_INT) {
10770					params->link_flags |=
10771					LINK_FLAGS_INT_DISABLED;
10772
10773					bnx2x_bits_dis(
10774						bp,
10775						NIG_REG_MASK_INTERRUPT_PORT0 +
10776						params->port*4,
10777						NIG_MASK_MI_INT);
10778				}
10779				bnx2x_cl45_write(bp, phy,
10780						 MDIO_PMA_DEVAD,
10781						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10782						 0x20);
10783			}
10784		}
10785		break;
10786
10787	case LED_MODE_OPER:
10788
10789		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10790
10791		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10792		    SHARED_HW_CFG_LED_EXTPHY1) {
10793
10794			/* Set control reg */
10795			bnx2x_cl45_read(bp, phy,
10796					MDIO_PMA_DEVAD,
10797					MDIO_PMA_REG_8481_LINK_SIGNAL,
10798					&val);
10799
10800			if (!((val &
10801			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10802			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10803				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10804				bnx2x_cl45_write(bp, phy,
10805						 MDIO_PMA_DEVAD,
10806						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10807						 0xa492);
10808			}
10809
10810			/* Set LED masks */
10811			bnx2x_cl45_write(bp, phy,
10812					 MDIO_PMA_DEVAD,
10813					 MDIO_PMA_REG_8481_LED1_MASK,
10814					 0x10);
10815
10816			bnx2x_cl45_write(bp, phy,
10817					 MDIO_PMA_DEVAD,
10818					 MDIO_PMA_REG_8481_LED2_MASK,
10819					 0x80);
10820
10821			bnx2x_cl45_write(bp, phy,
10822					 MDIO_PMA_DEVAD,
10823					 MDIO_PMA_REG_8481_LED3_MASK,
10824					 0x98);
10825
10826			bnx2x_cl45_write(bp, phy,
10827					 MDIO_PMA_DEVAD,
10828					 MDIO_PMA_REG_8481_LED5_MASK,
10829					 0x40);
10830
10831		} else {
10832			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10833			 * sources are all wired through LED1, rather than only
10834			 * 10G in other modes.
10835			 */
10836			val = ((params->hw_led_mode <<
10837				SHARED_HW_CFG_LED_MODE_SHIFT) ==
10838			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10839
10840			bnx2x_cl45_write(bp, phy,
10841					 MDIO_PMA_DEVAD,
10842					 MDIO_PMA_REG_8481_LED1_MASK,
10843					 val);
10844
10845			/* Tell LED3 to blink on source */
10846			bnx2x_cl45_read(bp, phy,
10847					MDIO_PMA_DEVAD,
10848					MDIO_PMA_REG_8481_LINK_SIGNAL,
10849					&val);
10850			val &= ~(7<<6);
10851			val |= (1<<6); /* A83B[8:6]= 1 */
10852			bnx2x_cl45_write(bp, phy,
10853					 MDIO_PMA_DEVAD,
10854					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10855					 val);
10856			if (phy->type ==
10857			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10858				/* Restore LED4 source to external link,
10859				 * and re-enable interrupts.
10860				 */
10861				bnx2x_cl45_write(bp, phy,
10862						 MDIO_PMA_DEVAD,
10863						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10864						 0x40);
10865				if (params->link_flags &
10866				    LINK_FLAGS_INT_DISABLED) {
10867					bnx2x_link_int_enable(params);
10868					params->link_flags &=
10869						~LINK_FLAGS_INT_DISABLED;
10870				}
10871			}
10872		}
10873		break;
10874	}
10875
10876	/* This is a workaround for E3+84833 until autoneg
10877	 * restart is fixed in f/w
10878	 */
10879	if (CHIP_IS_E3(bp)) {
10880		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10881				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10882	}
10883}
10884
10885/******************************************************************/
10886/*			54618SE PHY SECTION			  */
10887/******************************************************************/
10888static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10889					struct link_params *params,
10890					u32 action)
10891{
10892	struct bnx2x *bp = params->bp;
10893	u16 temp;
10894	switch (action) {
10895	case PHY_INIT:
10896		/* Configure LED4: set to INTR (0x6). */
10897		/* Accessing shadow register 0xe. */
10898		bnx2x_cl22_write(bp, phy,
10899				 MDIO_REG_GPHY_SHADOW,
10900				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10901		bnx2x_cl22_read(bp, phy,
10902				MDIO_REG_GPHY_SHADOW,
10903				&temp);
10904		temp &= ~(0xf << 4);
10905		temp |= (0x6 << 4);
10906		bnx2x_cl22_write(bp, phy,
10907				 MDIO_REG_GPHY_SHADOW,
10908				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10909		/* Configure INTR based on link status change. */
10910		bnx2x_cl22_write(bp, phy,
10911				 MDIO_REG_INTR_MASK,
10912				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10913		break;
10914	}
10915}
10916
10917static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10918					       struct link_params *params,
10919					       struct link_vars *vars)
10920{
10921	struct bnx2x *bp = params->bp;
10922	u8 port;
10923	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10924	u32 cfg_pin;
10925
10926	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10927	usleep_range(1000, 2000);
10928
10929	/* This works with E3 only, no need to check the chip
10930	 * before determining the port.
10931	 */
10932	port = params->port;
10933
10934	cfg_pin = (REG_RD(bp, params->shmem_base +
10935			offsetof(struct shmem_region,
10936			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10937			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10938			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10939
10940	/* Drive pin high to bring the GPHY out of reset. */
10941	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10942
10943	/* wait for GPHY to reset */
10944	msleep(50);
10945
10946	/* reset phy */
10947	bnx2x_cl22_write(bp, phy,
10948			 MDIO_PMA_REG_CTRL, 0x8000);
10949	bnx2x_wait_reset_complete(bp, phy, params);
10950
10951	/* Wait for GPHY to reset */
10952	msleep(50);
10953
10954
10955	bnx2x_54618se_specific_func(phy, params, PHY_INIT);
10956	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10957	bnx2x_cl22_write(bp, phy,
10958			MDIO_REG_GPHY_SHADOW,
10959			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10960	bnx2x_cl22_read(bp, phy,
10961			MDIO_REG_GPHY_SHADOW,
10962			&temp);
10963	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10964	bnx2x_cl22_write(bp, phy,
10965			MDIO_REG_GPHY_SHADOW,
10966			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10967
10968	/* Set up fc */
10969	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10970	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10971	fc_val = 0;
10972	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10973			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10974		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10975
10976	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10977			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10978		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10979
10980	/* Read all advertisement */
10981	bnx2x_cl22_read(bp, phy,
10982			0x09,
10983			&an_1000_val);
10984
10985	bnx2x_cl22_read(bp, phy,
10986			0x04,
10987			&an_10_100_val);
10988
10989	bnx2x_cl22_read(bp, phy,
10990			MDIO_PMA_REG_CTRL,
10991			&autoneg_val);
10992
10993	/* Disable forced speed */
10994	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10995	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10996			   (1<<11));
10997
10998	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10999	     (phy->speed_cap_mask &
11000	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
11001	    (phy->req_line_speed == SPEED_1000)) {
11002		an_1000_val |= (1<<8);
11003		autoneg_val |= (1<<9 | 1<<12);
11004		if (phy->req_duplex == DUPLEX_FULL)
11005			an_1000_val |= (1<<9);
11006		DP(NETIF_MSG_LINK, "Advertising 1G\n");
11007	} else
11008		an_1000_val &= ~((1<<8) | (1<<9));
11009
11010	bnx2x_cl22_write(bp, phy,
11011			0x09,
11012			an_1000_val);
11013	bnx2x_cl22_read(bp, phy,
11014			0x09,
11015			&an_1000_val);
11016
11017	/* Advertise 10/100 link speed */
11018	if (phy->req_line_speed == SPEED_AUTO_NEG) {
11019		if (phy->speed_cap_mask &
11020		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
11021			an_10_100_val |= (1<<5);
11022			autoneg_val |= (1<<9 | 1<<12);
11023			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
11024		}
11025		if (phy->speed_cap_mask &
11026		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
11027			an_10_100_val |= (1<<6);
11028			autoneg_val |= (1<<9 | 1<<12);
11029			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
11030		}
11031		if (phy->speed_cap_mask &
11032		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
11033			an_10_100_val |= (1<<7);
11034			autoneg_val |= (1<<9 | 1<<12);
11035			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
11036		}
11037		if (phy->speed_cap_mask &
11038		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
11039			an_10_100_val |= (1<<8);
11040			autoneg_val |= (1<<9 | 1<<12);
11041			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
11042		}
11043	}
11044
11045	/* Only 10/100 are allowed to work in FORCE mode */
11046	if (phy->req_line_speed == SPEED_100) {
11047		autoneg_val |= (1<<13);
11048		/* Enabled AUTO-MDIX when autoneg is disabled */
11049		bnx2x_cl22_write(bp, phy,
11050				0x18,
11051				(1<<15 | 1<<9 | 7<<0));
11052		DP(NETIF_MSG_LINK, "Setting 100M force\n");
11053	}
11054	if (phy->req_line_speed == SPEED_10) {
11055		/* Enabled AUTO-MDIX when autoneg is disabled */
11056		bnx2x_cl22_write(bp, phy,
11057				0x18,
11058				(1<<15 | 1<<9 | 7<<0));
11059		DP(NETIF_MSG_LINK, "Setting 10M force\n");
11060	}
11061
11062	if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
11063		int rc;
11064
11065		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
11066				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
11067				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
11068		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
11069		temp &= 0xfffe;
11070		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
11071
11072		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
11073		if (rc) {
11074			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
11075			bnx2x_eee_disable(phy, params, vars);
11076		} else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
11077			   (phy->req_duplex == DUPLEX_FULL) &&
11078			   (bnx2x_eee_calc_timer(params) ||
11079			    !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
11080			/* Need to advertise EEE only when requested,
11081			 * and either no LPI assertion was requested,
11082			 * or it was requested and a valid timer was set.
11083			 * Also notice full duplex is required for EEE.
11084			 */
11085			bnx2x_eee_advertise(phy, params, vars,
11086					    SHMEM_EEE_1G_ADV);
11087		} else {
11088			DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
11089			bnx2x_eee_disable(phy, params, vars);
11090		}
11091	} else {
11092		vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
11093				    SHMEM_EEE_SUPPORTED_SHIFT;
11094
11095		if (phy->flags & FLAGS_EEE) {
11096			/* Handle legacy auto-grEEEn */
11097			if (params->feature_config_flags &
11098			    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
11099				temp = 6;
11100				DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
11101			} else {
11102				temp = 0;
11103				DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
11104			}
11105			bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
11106					 MDIO_AN_REG_EEE_ADV, temp);
11107		}
11108	}
11109
11110	bnx2x_cl22_write(bp, phy,
11111			0x04,
11112			an_10_100_val | fc_val);
11113
11114	if (phy->req_duplex == DUPLEX_FULL)
11115		autoneg_val |= (1<<8);
11116
11117	bnx2x_cl22_write(bp, phy,
11118			MDIO_PMA_REG_CTRL, autoneg_val);
11119
11120	return 0;
11121}
11122
11123
11124static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
11125				       struct link_params *params, u8 mode)
11126{
11127	struct bnx2x *bp = params->bp;
11128	u16 temp;
11129
11130	bnx2x_cl22_write(bp, phy,
11131		MDIO_REG_GPHY_SHADOW,
11132		MDIO_REG_GPHY_SHADOW_LED_SEL1);
11133	bnx2x_cl22_read(bp, phy,
11134		MDIO_REG_GPHY_SHADOW,
11135		&temp);
11136	temp &= 0xff00;
11137
11138	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
11139	switch (mode) {
11140	case LED_MODE_FRONT_PANEL_OFF:
11141	case LED_MODE_OFF:
11142		temp |= 0x00ee;
11143		break;
11144	case LED_MODE_OPER:
11145		temp |= 0x0001;
11146		break;
11147	case LED_MODE_ON:
11148		temp |= 0x00ff;
11149		break;
11150	default:
11151		break;
11152	}
11153	bnx2x_cl22_write(bp, phy,
11154		MDIO_REG_GPHY_SHADOW,
11155		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11156	return;
11157}
11158
11159
11160static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
11161				     struct link_params *params)
11162{
11163	struct bnx2x *bp = params->bp;
11164	u32 cfg_pin;
11165	u8 port;
11166
11167	/* In case of no EPIO routed to reset the GPHY, put it
11168	 * in low power mode.
11169	 */
11170	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
11171	/* This works with E3 only, no need to check the chip
11172	 * before determining the port.
11173	 */
11174	port = params->port;
11175	cfg_pin = (REG_RD(bp, params->shmem_base +
11176			offsetof(struct shmem_region,
11177			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11178			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11179			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11180
11181	/* Drive pin low to put GPHY in reset. */
11182	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11183}
11184
11185static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11186				    struct link_params *params,
11187				    struct link_vars *vars)
11188{
11189	struct bnx2x *bp = params->bp;
11190	u16 val;
11191	u8 link_up = 0;
11192	u16 legacy_status, legacy_speed;
11193
11194	/* Get speed operation status */
11195	bnx2x_cl22_read(bp, phy,
11196			MDIO_REG_GPHY_AUX_STATUS,
11197			&legacy_status);
11198	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11199
11200	/* Read status to clear the PHY interrupt. */
11201	bnx2x_cl22_read(bp, phy,
11202			MDIO_REG_INTR_STATUS,
11203			&val);
11204
11205	link_up = ((legacy_status & (1<<2)) == (1<<2));
11206
11207	if (link_up) {
11208		legacy_speed = (legacy_status & (7<<8));
11209		if (legacy_speed == (7<<8)) {
11210			vars->line_speed = SPEED_1000;
11211			vars->duplex = DUPLEX_FULL;
11212		} else if (legacy_speed == (6<<8)) {
11213			vars->line_speed = SPEED_1000;
11214			vars->duplex = DUPLEX_HALF;
11215		} else if (legacy_speed == (5<<8)) {
11216			vars->line_speed = SPEED_100;
11217			vars->duplex = DUPLEX_FULL;
11218		}
11219		/* Omitting 100Base-T4 for now */
11220		else if (legacy_speed == (3<<8)) {
11221			vars->line_speed = SPEED_100;
11222			vars->duplex = DUPLEX_HALF;
11223		} else if (legacy_speed == (2<<8)) {
11224			vars->line_speed = SPEED_10;
11225			vars->duplex = DUPLEX_FULL;
11226		} else if (legacy_speed == (1<<8)) {
11227			vars->line_speed = SPEED_10;
11228			vars->duplex = DUPLEX_HALF;
11229		} else /* Should not happen */
11230			vars->line_speed = 0;
11231
11232		DP(NETIF_MSG_LINK,
11233		   "Link is up in %dMbps, is_duplex_full= %d\n",
11234		   vars->line_speed,
11235		   (vars->duplex == DUPLEX_FULL));
11236
11237		/* Check legacy speed AN resolution */
11238		bnx2x_cl22_read(bp, phy,
11239				0x01,
11240				&val);
11241		if (val & (1<<5))
11242			vars->link_status |=
11243				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11244		bnx2x_cl22_read(bp, phy,
11245				0x06,
11246				&val);
11247		if ((val & (1<<0)) == 0)
11248			vars->link_status |=
11249				LINK_STATUS_PARALLEL_DETECTION_USED;
11250
11251		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11252			   vars->line_speed);
11253
11254		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11255
11256		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11257			/* Report LP advertised speeds */
11258			bnx2x_cl22_read(bp, phy, 0x5, &val);
11259
11260			if (val & (1<<5))
11261				vars->link_status |=
11262				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11263			if (val & (1<<6))
11264				vars->link_status |=
11265				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11266			if (val & (1<<7))
11267				vars->link_status |=
11268				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11269			if (val & (1<<8))
11270				vars->link_status |=
11271				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11272			if (val & (1<<9))
11273				vars->link_status |=
11274				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11275
11276			bnx2x_cl22_read(bp, phy, 0xa, &val);
11277			if (val & (1<<10))
11278				vars->link_status |=
11279				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11280			if (val & (1<<11))
11281				vars->link_status |=
11282				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11283
11284			if ((phy->flags & FLAGS_EEE) &&
11285			    bnx2x_eee_has_cap(params))
11286				bnx2x_eee_an_resolve(phy, params, vars);
11287		}
11288	}
11289	return link_up;
11290}
11291
11292static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11293					  struct link_params *params)
11294{
11295	struct bnx2x *bp = params->bp;
11296	u16 val;
11297	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11298
11299	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11300
11301	/* Enable master/slave manual mmode and set to master */
11302	/* mii write 9 [bits set 11 12] */
11303	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11304
11305	/* forced 1G and disable autoneg */
11306	/* set val [mii read 0] */
11307	/* set val [expr $val & [bits clear 6 12 13]] */
11308	/* set val [expr $val | [bits set 6 8]] */
11309	/* mii write 0 $val */
11310	bnx2x_cl22_read(bp, phy, 0x00, &val);
11311	val &= ~((1<<6) | (1<<12) | (1<<13));
11312	val |= (1<<6) | (1<<8);
11313	bnx2x_cl22_write(bp, phy, 0x00, val);
11314
11315	/* Set external loopback and Tx using 6dB coding */
11316	/* mii write 0x18 7 */
11317	/* set val [mii read 0x18] */
11318	/* mii write 0x18 [expr $val | [bits set 10 15]] */
11319	bnx2x_cl22_write(bp, phy, 0x18, 7);
11320	bnx2x_cl22_read(bp, phy, 0x18, &val);
11321	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11322
11323	/* This register opens the gate for the UMAC despite its name */
11324	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11325
11326	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11327	 * length used by the MAC receive logic to check frames.
11328	 */
11329	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11330}
11331
11332/******************************************************************/
11333/*			SFX7101 PHY SECTION			  */
11334/******************************************************************/
11335static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11336				       struct link_params *params)
11337{
11338	struct bnx2x *bp = params->bp;
11339	/* SFX7101_XGXS_TEST1 */
11340	bnx2x_cl45_write(bp, phy,
11341			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11342}
11343
11344static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11345				  struct link_params *params,
11346				  struct link_vars *vars)
11347{
11348	u16 fw_ver1, fw_ver2, val;
11349	struct bnx2x *bp = params->bp;
11350	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11351
11352	/* Restore normal power mode*/
11353	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11354		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11355	/* HW reset */
11356	bnx2x_ext_phy_hw_reset(bp, params->port);
11357	bnx2x_wait_reset_complete(bp, phy, params);
11358
11359	bnx2x_cl45_write(bp, phy,
11360			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11361	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11362	bnx2x_cl45_write(bp, phy,
11363			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11364
11365	bnx2x_ext_phy_set_pause(params, phy, vars);
11366	/* Restart autoneg */
11367	bnx2x_cl45_read(bp, phy,
11368			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11369	val |= 0x200;
11370	bnx2x_cl45_write(bp, phy,
11371			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11372
11373	/* Save spirom version */
11374	bnx2x_cl45_read(bp, phy,
11375			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11376
11377	bnx2x_cl45_read(bp, phy,
11378			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11379	bnx2x_save_spirom_version(bp, params->port,
11380				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11381	return 0;
11382}
11383
11384static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11385				 struct link_params *params,
11386				 struct link_vars *vars)
11387{
11388	struct bnx2x *bp = params->bp;
11389	u8 link_up;
11390	u16 val1, val2;
11391	bnx2x_cl45_read(bp, phy,
11392			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11393	bnx2x_cl45_read(bp, phy,
11394			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11395	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11396		   val2, val1);
11397	bnx2x_cl45_read(bp, phy,
11398			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11399	bnx2x_cl45_read(bp, phy,
11400			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11401	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11402		   val2, val1);
11403	link_up = ((val1 & 4) == 4);
11404	/* If link is up print the AN outcome of the SFX7101 PHY */
11405	if (link_up) {
11406		bnx2x_cl45_read(bp, phy,
11407				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11408				&val2);
11409		vars->line_speed = SPEED_10000;
11410		vars->duplex = DUPLEX_FULL;
11411		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11412			   val2, (val2 & (1<<14)));
11413		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11414		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11415
11416		/* Read LP advertised speeds */
11417		if (val2 & (1<<11))
11418			vars->link_status |=
11419				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11420	}
11421	return link_up;
11422}
11423
11424static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11425{
11426	if (*len < 5)
11427		return -EINVAL;
11428	str[0] = (spirom_ver & 0xFF);
11429	str[1] = (spirom_ver & 0xFF00) >> 8;
11430	str[2] = (spirom_ver & 0xFF0000) >> 16;
11431	str[3] = (spirom_ver & 0xFF000000) >> 24;
11432	str[4] = '\0';
11433	*len -= 5;
11434	return 0;
11435}
11436
11437void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11438{
11439	u16 val, cnt;
11440
11441	bnx2x_cl45_read(bp, phy,
11442			MDIO_PMA_DEVAD,
11443			MDIO_PMA_REG_7101_RESET, &val);
11444
11445	for (cnt = 0; cnt < 10; cnt++) {
11446		msleep(50);
11447		/* Writes a self-clearing reset */
11448		bnx2x_cl45_write(bp, phy,
11449				 MDIO_PMA_DEVAD,
11450				 MDIO_PMA_REG_7101_RESET,
11451				 (val | (1<<15)));
11452		/* Wait for clear */
11453		bnx2x_cl45_read(bp, phy,
11454				MDIO_PMA_DEVAD,
11455				MDIO_PMA_REG_7101_RESET, &val);
11456
11457		if ((val & (1<<15)) == 0)
11458			break;
11459	}
11460}
11461
11462static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11463				struct link_params *params) {
11464	/* Low power mode is controlled by GPIO 2 */
11465	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11466		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11467	/* The PHY reset is controlled by GPIO 1 */
11468	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11469		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11470}
11471
11472static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11473				    struct link_params *params, u8 mode)
11474{
11475	u16 val = 0;
11476	struct bnx2x *bp = params->bp;
11477	switch (mode) {
11478	case LED_MODE_FRONT_PANEL_OFF:
11479	case LED_MODE_OFF:
11480		val = 2;
11481		break;
11482	case LED_MODE_ON:
11483		val = 1;
11484		break;
11485	case LED_MODE_OPER:
11486		val = 0;
11487		break;
11488	}
11489	bnx2x_cl45_write(bp, phy,
11490			 MDIO_PMA_DEVAD,
11491			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11492			 val);
11493}
11494
11495/******************************************************************/
11496/*			STATIC PHY DECLARATION			  */
11497/******************************************************************/
11498
11499static const struct bnx2x_phy phy_null = {
11500	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11501	.addr		= 0,
11502	.def_md_devad	= 0,
11503	.flags		= FLAGS_INIT_XGXS_FIRST,
11504	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11505	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11506	.mdio_ctrl	= 0,
11507	.supported	= 0,
11508	.media_type	= ETH_PHY_NOT_PRESENT,
11509	.ver_addr	= 0,
11510	.req_flow_ctrl	= 0,
11511	.req_line_speed	= 0,
11512	.speed_cap_mask	= 0,
11513	.req_duplex	= 0,
11514	.rsrv		= 0,
11515	.config_init	= (config_init_t)NULL,
11516	.read_status	= (read_status_t)NULL,
11517	.link_reset	= (link_reset_t)NULL,
11518	.config_loopback = (config_loopback_t)NULL,
11519	.format_fw_ver	= (format_fw_ver_t)NULL,
11520	.hw_reset	= (hw_reset_t)NULL,
11521	.set_link_led	= (set_link_led_t)NULL,
11522	.phy_specific_func = (phy_specific_func_t)NULL
11523};
11524
11525static const struct bnx2x_phy phy_serdes = {
11526	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11527	.addr		= 0xff,
11528	.def_md_devad	= 0,
11529	.flags		= 0,
11530	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11531	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11532	.mdio_ctrl	= 0,
11533	.supported	= (SUPPORTED_10baseT_Half |
11534			   SUPPORTED_10baseT_Full |
11535			   SUPPORTED_100baseT_Half |
11536			   SUPPORTED_100baseT_Full |
11537			   SUPPORTED_1000baseT_Full |
11538			   SUPPORTED_2500baseX_Full |
11539			   SUPPORTED_TP |
11540			   SUPPORTED_Autoneg |
11541			   SUPPORTED_Pause |
11542			   SUPPORTED_Asym_Pause),
11543	.media_type	= ETH_PHY_BASE_T,
11544	.ver_addr	= 0,
11545	.req_flow_ctrl	= 0,
11546	.req_line_speed	= 0,
11547	.speed_cap_mask	= 0,
11548	.req_duplex	= 0,
11549	.rsrv		= 0,
11550	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11551	.read_status	= (read_status_t)bnx2x_link_settings_status,
11552	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11553	.config_loopback = (config_loopback_t)NULL,
11554	.format_fw_ver	= (format_fw_ver_t)NULL,
11555	.hw_reset	= (hw_reset_t)NULL,
11556	.set_link_led	= (set_link_led_t)NULL,
11557	.phy_specific_func = (phy_specific_func_t)NULL
11558};
11559
11560static const struct bnx2x_phy phy_xgxs = {
11561	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11562	.addr		= 0xff,
11563	.def_md_devad	= 0,
11564	.flags		= 0,
11565	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11566	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11567	.mdio_ctrl	= 0,
11568	.supported	= (SUPPORTED_10baseT_Half |
11569			   SUPPORTED_10baseT_Full |
11570			   SUPPORTED_100baseT_Half |
11571			   SUPPORTED_100baseT_Full |
11572			   SUPPORTED_1000baseT_Full |
11573			   SUPPORTED_2500baseX_Full |
11574			   SUPPORTED_10000baseT_Full |
11575			   SUPPORTED_FIBRE |
11576			   SUPPORTED_Autoneg |
11577			   SUPPORTED_Pause |
11578			   SUPPORTED_Asym_Pause),
11579	.media_type	= ETH_PHY_CX4,
11580	.ver_addr	= 0,
11581	.req_flow_ctrl	= 0,
11582	.req_line_speed	= 0,
11583	.speed_cap_mask	= 0,
11584	.req_duplex	= 0,
11585	.rsrv		= 0,
11586	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
11587	.read_status	= (read_status_t)bnx2x_link_settings_status,
11588	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
11589	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11590	.format_fw_ver	= (format_fw_ver_t)NULL,
11591	.hw_reset	= (hw_reset_t)NULL,
11592	.set_link_led	= (set_link_led_t)NULL,
11593	.phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
11594};
11595static const struct bnx2x_phy phy_warpcore = {
11596	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11597	.addr		= 0xff,
11598	.def_md_devad	= 0,
11599	.flags		= FLAGS_TX_ERROR_CHECK,
11600	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11601	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11602	.mdio_ctrl	= 0,
11603	.supported	= (SUPPORTED_10baseT_Half |
11604			   SUPPORTED_10baseT_Full |
11605			   SUPPORTED_100baseT_Half |
11606			   SUPPORTED_100baseT_Full |
11607			   SUPPORTED_1000baseT_Full |
11608			   SUPPORTED_1000baseKX_Full |
11609			   SUPPORTED_10000baseT_Full |
11610			   SUPPORTED_10000baseKR_Full |
11611			   SUPPORTED_20000baseKR2_Full |
11612			   SUPPORTED_20000baseMLD2_Full |
11613			   SUPPORTED_FIBRE |
11614			   SUPPORTED_Autoneg |
11615			   SUPPORTED_Pause |
11616			   SUPPORTED_Asym_Pause),
11617	.media_type	= ETH_PHY_UNSPECIFIED,
11618	.ver_addr	= 0,
11619	.req_flow_ctrl	= 0,
11620	.req_line_speed	= 0,
11621	.speed_cap_mask	= 0,
11622	/* req_duplex = */0,
11623	/* rsrv = */0,
11624	.config_init	= (config_init_t)bnx2x_warpcore_config_init,
11625	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
11626	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
11627	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11628	.format_fw_ver	= (format_fw_ver_t)NULL,
11629	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11630	.set_link_led	= (set_link_led_t)NULL,
11631	.phy_specific_func = (phy_specific_func_t)NULL
11632};
11633
11634
11635static const struct bnx2x_phy phy_7101 = {
11636	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11637	.addr		= 0xff,
11638	.def_md_devad	= 0,
11639	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
11640	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11641	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11642	.mdio_ctrl	= 0,
11643	.supported	= (SUPPORTED_10000baseT_Full |
11644			   SUPPORTED_TP |
11645			   SUPPORTED_Autoneg |
11646			   SUPPORTED_Pause |
11647			   SUPPORTED_Asym_Pause),
11648	.media_type	= ETH_PHY_BASE_T,
11649	.ver_addr	= 0,
11650	.req_flow_ctrl	= 0,
11651	.req_line_speed	= 0,
11652	.speed_cap_mask	= 0,
11653	.req_duplex	= 0,
11654	.rsrv		= 0,
11655	.config_init	= (config_init_t)bnx2x_7101_config_init,
11656	.read_status	= (read_status_t)bnx2x_7101_read_status,
11657	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11658	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11659	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
11660	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
11661	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
11662	.phy_specific_func = (phy_specific_func_t)NULL
11663};
11664static const struct bnx2x_phy phy_8073 = {
11665	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11666	.addr		= 0xff,
11667	.def_md_devad	= 0,
11668	.flags		= 0,
11669	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11670	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11671	.mdio_ctrl	= 0,
11672	.supported	= (SUPPORTED_10000baseT_Full |
11673			   SUPPORTED_2500baseX_Full |
11674			   SUPPORTED_1000baseT_Full |
11675			   SUPPORTED_FIBRE |
11676			   SUPPORTED_Autoneg |
11677			   SUPPORTED_Pause |
11678			   SUPPORTED_Asym_Pause),
11679	.media_type	= ETH_PHY_KR,
11680	.ver_addr	= 0,
11681	.req_flow_ctrl	= 0,
11682	.req_line_speed	= 0,
11683	.speed_cap_mask	= 0,
11684	.req_duplex	= 0,
11685	.rsrv		= 0,
11686	.config_init	= (config_init_t)bnx2x_8073_config_init,
11687	.read_status	= (read_status_t)bnx2x_8073_read_status,
11688	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
11689	.config_loopback = (config_loopback_t)NULL,
11690	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11691	.hw_reset	= (hw_reset_t)NULL,
11692	.set_link_led	= (set_link_led_t)NULL,
11693	.phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
11694};
11695static const struct bnx2x_phy phy_8705 = {
11696	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11697	.addr		= 0xff,
11698	.def_md_devad	= 0,
11699	.flags		= FLAGS_INIT_XGXS_FIRST,
11700	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11701	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11702	.mdio_ctrl	= 0,
11703	.supported	= (SUPPORTED_10000baseT_Full |
11704			   SUPPORTED_FIBRE |
11705			   SUPPORTED_Pause |
11706			   SUPPORTED_Asym_Pause),
11707	.media_type	= ETH_PHY_XFP_FIBER,
11708	.ver_addr	= 0,
11709	.req_flow_ctrl	= 0,
11710	.req_line_speed	= 0,
11711	.speed_cap_mask	= 0,
11712	.req_duplex	= 0,
11713	.rsrv		= 0,
11714	.config_init	= (config_init_t)bnx2x_8705_config_init,
11715	.read_status	= (read_status_t)bnx2x_8705_read_status,
11716	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11717	.config_loopback = (config_loopback_t)NULL,
11718	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
11719	.hw_reset	= (hw_reset_t)NULL,
11720	.set_link_led	= (set_link_led_t)NULL,
11721	.phy_specific_func = (phy_specific_func_t)NULL
11722};
11723static const struct bnx2x_phy phy_8706 = {
11724	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11725	.addr		= 0xff,
11726	.def_md_devad	= 0,
11727	.flags		= FLAGS_INIT_XGXS_FIRST,
11728	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11729	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11730	.mdio_ctrl	= 0,
11731	.supported	= (SUPPORTED_10000baseT_Full |
11732			   SUPPORTED_1000baseT_Full |
11733			   SUPPORTED_FIBRE |
11734			   SUPPORTED_Pause |
11735			   SUPPORTED_Asym_Pause),
11736	.media_type	= ETH_PHY_SFPP_10G_FIBER,
11737	.ver_addr	= 0,
11738	.req_flow_ctrl	= 0,
11739	.req_line_speed	= 0,
11740	.speed_cap_mask	= 0,
11741	.req_duplex	= 0,
11742	.rsrv		= 0,
11743	.config_init	= (config_init_t)bnx2x_8706_config_init,
11744	.read_status	= (read_status_t)bnx2x_8706_read_status,
11745	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
11746	.config_loopback = (config_loopback_t)NULL,
11747	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11748	.hw_reset	= (hw_reset_t)NULL,
11749	.set_link_led	= (set_link_led_t)NULL,
11750	.phy_specific_func = (phy_specific_func_t)NULL
11751};
11752
11753static const struct bnx2x_phy phy_8726 = {
11754	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11755	.addr		= 0xff,
11756	.def_md_devad	= 0,
11757	.flags		= (FLAGS_INIT_XGXS_FIRST |
11758			   FLAGS_TX_ERROR_CHECK),
11759	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11760	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11761	.mdio_ctrl	= 0,
11762	.supported	= (SUPPORTED_10000baseT_Full |
11763			   SUPPORTED_1000baseT_Full |
11764			   SUPPORTED_Autoneg |
11765			   SUPPORTED_FIBRE |
11766			   SUPPORTED_Pause |
11767			   SUPPORTED_Asym_Pause),
11768	.media_type	= ETH_PHY_NOT_PRESENT,
11769	.ver_addr	= 0,
11770	.req_flow_ctrl	= 0,
11771	.req_line_speed	= 0,
11772	.speed_cap_mask	= 0,
11773	.req_duplex	= 0,
11774	.rsrv		= 0,
11775	.config_init	= (config_init_t)bnx2x_8726_config_init,
11776	.read_status	= (read_status_t)bnx2x_8726_read_status,
11777	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
11778	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11779	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11780	.hw_reset	= (hw_reset_t)NULL,
11781	.set_link_led	= (set_link_led_t)NULL,
11782	.phy_specific_func = (phy_specific_func_t)NULL
11783};
11784
11785static const struct bnx2x_phy phy_8727 = {
11786	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11787	.addr		= 0xff,
11788	.def_md_devad	= 0,
11789	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11790			   FLAGS_TX_ERROR_CHECK),
11791	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11792	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11793	.mdio_ctrl	= 0,
11794	.supported	= (SUPPORTED_10000baseT_Full |
11795			   SUPPORTED_1000baseT_Full |
11796			   SUPPORTED_FIBRE |
11797			   SUPPORTED_Pause |
11798			   SUPPORTED_Asym_Pause),
11799	.media_type	= ETH_PHY_NOT_PRESENT,
11800	.ver_addr	= 0,
11801	.req_flow_ctrl	= 0,
11802	.req_line_speed	= 0,
11803	.speed_cap_mask	= 0,
11804	.req_duplex	= 0,
11805	.rsrv		= 0,
11806	.config_init	= (config_init_t)bnx2x_8727_config_init,
11807	.read_status	= (read_status_t)bnx2x_8727_read_status,
11808	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
11809	.config_loopback = (config_loopback_t)NULL,
11810	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
11811	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
11812	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
11813	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11814};
11815static const struct bnx2x_phy phy_8481 = {
11816	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11817	.addr		= 0xff,
11818	.def_md_devad	= 0,
11819	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11820			  FLAGS_REARM_LATCH_SIGNAL,
11821	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11822	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11823	.mdio_ctrl	= 0,
11824	.supported	= (SUPPORTED_10baseT_Half |
11825			   SUPPORTED_10baseT_Full |
11826			   SUPPORTED_100baseT_Half |
11827			   SUPPORTED_100baseT_Full |
11828			   SUPPORTED_1000baseT_Full |
11829			   SUPPORTED_10000baseT_Full |
11830			   SUPPORTED_TP |
11831			   SUPPORTED_Autoneg |
11832			   SUPPORTED_Pause |
11833			   SUPPORTED_Asym_Pause),
11834	.media_type	= ETH_PHY_BASE_T,
11835	.ver_addr	= 0,
11836	.req_flow_ctrl	= 0,
11837	.req_line_speed	= 0,
11838	.speed_cap_mask	= 0,
11839	.req_duplex	= 0,
11840	.rsrv		= 0,
11841	.config_init	= (config_init_t)bnx2x_8481_config_init,
11842	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11843	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
11844	.config_loopback = (config_loopback_t)NULL,
11845	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11846	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
11847	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11848	.phy_specific_func = (phy_specific_func_t)NULL
11849};
11850
11851static const struct bnx2x_phy phy_84823 = {
11852	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11853	.addr		= 0xff,
11854	.def_md_devad	= 0,
11855	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11856			   FLAGS_REARM_LATCH_SIGNAL |
11857			   FLAGS_TX_ERROR_CHECK),
11858	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11859	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11860	.mdio_ctrl	= 0,
11861	.supported	= (SUPPORTED_10baseT_Half |
11862			   SUPPORTED_10baseT_Full |
11863			   SUPPORTED_100baseT_Half |
11864			   SUPPORTED_100baseT_Full |
11865			   SUPPORTED_1000baseT_Full |
11866			   SUPPORTED_10000baseT_Full |
11867			   SUPPORTED_TP |
11868			   SUPPORTED_Autoneg |
11869			   SUPPORTED_Pause |
11870			   SUPPORTED_Asym_Pause),
11871	.media_type	= ETH_PHY_BASE_T,
11872	.ver_addr	= 0,
11873	.req_flow_ctrl	= 0,
11874	.req_line_speed	= 0,
11875	.speed_cap_mask	= 0,
11876	.req_duplex	= 0,
11877	.rsrv		= 0,
11878	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11879	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11880	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11881	.config_loopback = (config_loopback_t)NULL,
11882	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11883	.hw_reset	= (hw_reset_t)NULL,
11884	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11885	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11886};
11887
11888static const struct bnx2x_phy phy_84833 = {
11889	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11890	.addr		= 0xff,
11891	.def_md_devad	= 0,
11892	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11893			   FLAGS_REARM_LATCH_SIGNAL |
11894			   FLAGS_TX_ERROR_CHECK),
11895	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11896	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11897	.mdio_ctrl	= 0,
11898	.supported	= (SUPPORTED_100baseT_Half |
11899			   SUPPORTED_100baseT_Full |
11900			   SUPPORTED_1000baseT_Full |
11901			   SUPPORTED_10000baseT_Full |
11902			   SUPPORTED_TP |
11903			   SUPPORTED_Autoneg |
11904			   SUPPORTED_Pause |
11905			   SUPPORTED_Asym_Pause),
11906	.media_type	= ETH_PHY_BASE_T,
11907	.ver_addr	= 0,
11908	.req_flow_ctrl	= 0,
11909	.req_line_speed	= 0,
11910	.speed_cap_mask	= 0,
11911	.req_duplex	= 0,
11912	.rsrv		= 0,
11913	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11914	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11915	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11916	.config_loopback = (config_loopback_t)NULL,
11917	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11918	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11919	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11920	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11921};
11922
11923static const struct bnx2x_phy phy_84834 = {
11924	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11925	.addr		= 0xff,
11926	.def_md_devad	= 0,
11927	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11928			    FLAGS_REARM_LATCH_SIGNAL,
11929	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11930	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11931	.mdio_ctrl	= 0,
11932	.supported	= (SUPPORTED_100baseT_Half |
11933			   SUPPORTED_100baseT_Full |
11934			   SUPPORTED_1000baseT_Full |
11935			   SUPPORTED_10000baseT_Full |
11936			   SUPPORTED_TP |
11937			   SUPPORTED_Autoneg |
11938			   SUPPORTED_Pause |
11939			   SUPPORTED_Asym_Pause),
11940	.media_type	= ETH_PHY_BASE_T,
11941	.ver_addr	= 0,
11942	.req_flow_ctrl	= 0,
11943	.req_line_speed	= 0,
11944	.speed_cap_mask	= 0,
11945	.req_duplex	= 0,
11946	.rsrv		= 0,
11947	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11948	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11949	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11950	.config_loopback = (config_loopback_t)NULL,
11951	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11952	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11953	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11954	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11955};
11956
11957static const struct bnx2x_phy phy_84858 = {
11958	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
11959	.addr		= 0xff,
11960	.def_md_devad	= 0,
11961	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11962			    FLAGS_REARM_LATCH_SIGNAL,
11963	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11964	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11965	.mdio_ctrl	= 0,
11966	.supported	= (SUPPORTED_100baseT_Half |
11967			   SUPPORTED_100baseT_Full |
11968			   SUPPORTED_1000baseT_Full |
11969			   SUPPORTED_10000baseT_Full |
11970			   SUPPORTED_TP |
11971			   SUPPORTED_Autoneg |
11972			   SUPPORTED_Pause |
11973			   SUPPORTED_Asym_Pause),
11974	.media_type	= ETH_PHY_BASE_T,
11975	.ver_addr	= 0,
11976	.req_flow_ctrl	= 0,
11977	.req_line_speed	= 0,
11978	.speed_cap_mask	= 0,
11979	.req_duplex	= 0,
11980	.rsrv		= 0,
11981	.config_init	= (config_init_t)bnx2x_848x3_config_init,
11982	.read_status	= (read_status_t)bnx2x_848xx_read_status,
11983	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
11984	.config_loopback = (config_loopback_t)NULL,
11985	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
11986	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11987	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
11988	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11989};
11990
11991static const struct bnx2x_phy phy_54618se = {
11992	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11993	.addr		= 0xff,
11994	.def_md_devad	= 0,
11995	.flags		= FLAGS_INIT_XGXS_FIRST,
11996	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11997	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11998	.mdio_ctrl	= 0,
11999	.supported	= (SUPPORTED_10baseT_Half |
12000			   SUPPORTED_10baseT_Full |
12001			   SUPPORTED_100baseT_Half |
12002			   SUPPORTED_100baseT_Full |
12003			   SUPPORTED_1000baseT_Full |
12004			   SUPPORTED_TP |
12005			   SUPPORTED_Autoneg |
12006			   SUPPORTED_Pause |
12007			   SUPPORTED_Asym_Pause),
12008	.media_type	= ETH_PHY_BASE_T,
12009	.ver_addr	= 0,
12010	.req_flow_ctrl	= 0,
12011	.req_line_speed	= 0,
12012	.speed_cap_mask	= 0,
12013	/* req_duplex = */0,
12014	/* rsrv = */0,
12015	.config_init	= (config_init_t)bnx2x_54618se_config_init,
12016	.read_status	= (read_status_t)bnx2x_54618se_read_status,
12017	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
12018	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
12019	.format_fw_ver	= (format_fw_ver_t)NULL,
12020	.hw_reset	= (hw_reset_t)NULL,
12021	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
12022	.phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
12023};
12024/*****************************************************************/
12025/*                                                               */
12026/* Populate the phy according. Main function: bnx2x_populate_phy   */
12027/*                                                               */
12028/*****************************************************************/
12029
12030static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
12031				     struct bnx2x_phy *phy, u8 port,
12032				     u8 phy_index)
12033{
12034	/* Get the 4 lanes xgxs config rx and tx */
12035	u32 rx = 0, tx = 0, i;
12036	for (i = 0; i < 2; i++) {
12037		/* INT_PHY and EXT_PHY1 share the same value location in
12038		 * the shmem. When num_phys is greater than 1, than this value
12039		 * applies only to EXT_PHY1
12040		 */
12041		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
12042			rx = REG_RD(bp, shmem_base +
12043				    offsetof(struct shmem_region,
12044			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
12045
12046			tx = REG_RD(bp, shmem_base +
12047				    offsetof(struct shmem_region,
12048			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
12049		} else {
12050			rx = REG_RD(bp, shmem_base +
12051				    offsetof(struct shmem_region,
12052			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12053
12054			tx = REG_RD(bp, shmem_base +
12055				    offsetof(struct shmem_region,
12056			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12057		}
12058
12059		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
12060		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
12061
12062		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
12063		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
12064	}
12065}
12066
12067static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
12068				    u8 phy_index, u8 port)
12069{
12070	u32 ext_phy_config = 0;
12071	switch (phy_index) {
12072	case EXT_PHY1:
12073		ext_phy_config = REG_RD(bp, shmem_base +
12074					      offsetof(struct shmem_region,
12075			dev_info.port_hw_config[port].external_phy_config));
12076		break;
12077	case EXT_PHY2:
12078		ext_phy_config = REG_RD(bp, shmem_base +
12079					      offsetof(struct shmem_region,
12080			dev_info.port_hw_config[port].external_phy_config2));
12081		break;
12082	default:
12083		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
12084		return -EINVAL;
12085	}
12086
12087	return ext_phy_config;
12088}
12089static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
12090				  struct bnx2x_phy *phy)
12091{
12092	u32 phy_addr;
12093	u32 chip_id;
12094	u32 switch_cfg = (REG_RD(bp, shmem_base +
12095				       offsetof(struct shmem_region,
12096			dev_info.port_feature_config[port].link_config)) &
12097			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
12098	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
12099		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
12100
12101	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
12102	if (USES_WARPCORE(bp)) {
12103		u32 serdes_net_if;
12104		phy_addr = REG_RD(bp,
12105				  MISC_REG_WC0_CTRL_PHY_ADDR);
12106		*phy = phy_warpcore;
12107		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
12108			phy->flags |= FLAGS_4_PORT_MODE;
12109		else
12110			phy->flags &= ~FLAGS_4_PORT_MODE;
12111			/* Check Dual mode */
12112		serdes_net_if = (REG_RD(bp, shmem_base +
12113					offsetof(struct shmem_region, dev_info.
12114					port_hw_config[port].default_cfg)) &
12115				 PORT_HW_CFG_NET_SERDES_IF_MASK);
12116		/* Set the appropriate supported and flags indications per
12117		 * interface type of the chip
12118		 */
12119		switch (serdes_net_if) {
12120		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
12121			phy->supported &= (SUPPORTED_10baseT_Half |
12122					   SUPPORTED_10baseT_Full |
12123					   SUPPORTED_100baseT_Half |
12124					   SUPPORTED_100baseT_Full |
12125					   SUPPORTED_1000baseT_Full |
12126					   SUPPORTED_FIBRE |
12127					   SUPPORTED_Autoneg |
12128					   SUPPORTED_Pause |
12129					   SUPPORTED_Asym_Pause);
12130			phy->media_type = ETH_PHY_BASE_T;
12131			break;
12132		case PORT_HW_CFG_NET_SERDES_IF_XFI:
12133			phy->supported &= (SUPPORTED_1000baseT_Full |
12134					   SUPPORTED_10000baseT_Full |
12135					   SUPPORTED_FIBRE |
12136					   SUPPORTED_Pause |
12137					   SUPPORTED_Asym_Pause);
12138			phy->media_type = ETH_PHY_XFP_FIBER;
12139			break;
12140		case PORT_HW_CFG_NET_SERDES_IF_SFI:
12141			phy->supported &= (SUPPORTED_1000baseT_Full |
12142					   SUPPORTED_10000baseT_Full |
12143					   SUPPORTED_FIBRE |
12144					   SUPPORTED_Pause |
12145					   SUPPORTED_Asym_Pause);
12146			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
12147			break;
12148		case PORT_HW_CFG_NET_SERDES_IF_KR:
12149			phy->media_type = ETH_PHY_KR;
12150			phy->supported &= (SUPPORTED_1000baseKX_Full |
12151					   SUPPORTED_10000baseKR_Full |
12152					   SUPPORTED_FIBRE |
12153					   SUPPORTED_Autoneg |
12154					   SUPPORTED_Pause |
12155					   SUPPORTED_Asym_Pause);
12156			break;
12157		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
12158			phy->media_type = ETH_PHY_KR;
12159			phy->flags |= FLAGS_WC_DUAL_MODE;
12160			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
12161					   SUPPORTED_FIBRE |
12162					   SUPPORTED_Pause |
12163					   SUPPORTED_Asym_Pause);
12164			break;
12165		case PORT_HW_CFG_NET_SERDES_IF_KR2:
12166			phy->media_type = ETH_PHY_KR;
12167			phy->flags |= FLAGS_WC_DUAL_MODE;
12168			phy->supported &= (SUPPORTED_20000baseKR2_Full |
12169					   SUPPORTED_10000baseKR_Full |
12170					   SUPPORTED_1000baseKX_Full |
12171					   SUPPORTED_Autoneg |
12172					   SUPPORTED_FIBRE |
12173					   SUPPORTED_Pause |
12174					   SUPPORTED_Asym_Pause);
12175			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12176			break;
12177		default:
12178			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
12179				       serdes_net_if);
12180			break;
12181		}
12182
12183		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
12184		 * was not set as expected. For B0, ECO will be enabled so there
12185		 * won't be an issue there
12186		 */
12187		if (CHIP_REV(bp) == CHIP_REV_Ax)
12188			phy->flags |= FLAGS_MDC_MDIO_WA;
12189		else
12190			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
12191	} else {
12192		switch (switch_cfg) {
12193		case SWITCH_CFG_1G:
12194			phy_addr = REG_RD(bp,
12195					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
12196					  port * 0x10);
12197			*phy = phy_serdes;
12198			break;
12199		case SWITCH_CFG_10G:
12200			phy_addr = REG_RD(bp,
12201					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
12202					  port * 0x18);
12203			*phy = phy_xgxs;
12204			break;
12205		default:
12206			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
12207			return -EINVAL;
12208		}
12209	}
12210	phy->addr = (u8)phy_addr;
12211	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
12212					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
12213					    port);
12214	if (CHIP_IS_E2(bp))
12215		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
12216	else
12217		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12218
12219	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12220		   port, phy->addr, phy->mdio_ctrl);
12221
12222	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12223	return 0;
12224}
12225
12226static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12227				  u8 phy_index,
12228				  u32 shmem_base,
12229				  u32 shmem2_base,
12230				  u8 port,
12231				  struct bnx2x_phy *phy)
12232{
12233	u32 ext_phy_config, phy_type, config2;
12234	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12235	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12236						  phy_index, port);
12237	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12238	/* Select the phy type */
12239	switch (phy_type) {
12240	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12241		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12242		*phy = phy_8073;
12243		break;
12244	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12245		*phy = phy_8705;
12246		break;
12247	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12248		*phy = phy_8706;
12249		break;
12250	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12251		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12252		*phy = phy_8726;
12253		break;
12254	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12255		/* BCM8727_NOC => BCM8727 no over current */
12256		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12257		*phy = phy_8727;
12258		phy->flags |= FLAGS_NOC;
12259		break;
12260	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12261	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12262		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12263		*phy = phy_8727;
12264		break;
12265	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12266		*phy = phy_8481;
12267		break;
12268	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12269		*phy = phy_84823;
12270		break;
12271	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12272		*phy = phy_84833;
12273		break;
12274	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12275		*phy = phy_84834;
12276		break;
12277	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
12278		*phy = phy_84858;
12279		break;
12280	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12281	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12282		*phy = phy_54618se;
12283		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12284			phy->flags |= FLAGS_EEE;
12285		break;
12286	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12287		*phy = phy_7101;
12288		break;
12289	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12290		*phy = phy_null;
12291		return -EINVAL;
12292	default:
12293		*phy = phy_null;
12294		/* In case external PHY wasn't found */
12295		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12296		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12297			return -EINVAL;
12298		return 0;
12299	}
12300
12301	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12302	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12303
12304	/* The shmem address of the phy version is located on different
12305	 * structures. In case this structure is too old, do not set
12306	 * the address
12307	 */
12308	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12309					dev_info.shared_hw_config.config2));
12310	if (phy_index == EXT_PHY1) {
12311		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12312				port_mb[port].ext_phy_fw_version);
12313
12314		/* Check specific mdc mdio settings */
12315		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12316			mdc_mdio_access = config2 &
12317			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12318	} else {
12319		u32 size = REG_RD(bp, shmem2_base);
12320
12321		if (size >
12322		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12323			phy->ver_addr = shmem2_base +
12324			    offsetof(struct shmem2_region,
12325				     ext_phy_fw_version2[port]);
12326		}
12327		/* Check specific mdc mdio settings */
12328		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12329			mdc_mdio_access = (config2 &
12330			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12331			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12332			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12333	}
12334	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12335
12336	if (bnx2x_is_8483x_8485x(phy) && (phy->ver_addr)) {
12337		/* Remove 100Mb link supported for BCM84833/4 when phy fw
12338		 * version lower than or equal to 1.39
12339		 */
12340		u32 raw_ver = REG_RD(bp, phy->ver_addr);
12341		if (((raw_ver & 0x7F) <= 39) &&
12342		    (((raw_ver & 0xF80) >> 7) <= 1))
12343			phy->supported &= ~(SUPPORTED_100baseT_Half |
12344					    SUPPORTED_100baseT_Full);
12345	}
12346
12347	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12348		   phy_type, port, phy_index);
12349	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
12350		   phy->addr, phy->mdio_ctrl);
12351	return 0;
12352}
12353
12354static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12355			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12356{
12357	int status = 0;
12358	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12359	if (phy_index == INT_PHY)
12360		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12361	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12362					port, phy);
12363	return status;
12364}
12365
12366static void bnx2x_phy_def_cfg(struct link_params *params,
12367			      struct bnx2x_phy *phy,
12368			      u8 phy_index)
12369{
12370	struct bnx2x *bp = params->bp;
12371	u32 link_config;
12372	/* Populate the default phy configuration for MF mode */
12373	if (phy_index == EXT_PHY2) {
12374		link_config = REG_RD(bp, params->shmem_base +
12375				     offsetof(struct shmem_region, dev_info.
12376			port_feature_config[params->port].link_config2));
12377		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12378					     offsetof(struct shmem_region,
12379						      dev_info.
12380			port_hw_config[params->port].speed_capability_mask2));
12381	} else {
12382		link_config = REG_RD(bp, params->shmem_base +
12383				     offsetof(struct shmem_region, dev_info.
12384				port_feature_config[params->port].link_config));
12385		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12386					     offsetof(struct shmem_region,
12387						      dev_info.
12388			port_hw_config[params->port].speed_capability_mask));
12389	}
12390	DP(NETIF_MSG_LINK,
12391	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12392	   phy_index, link_config, phy->speed_cap_mask);
12393
12394	phy->req_duplex = DUPLEX_FULL;
12395	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
12396	case PORT_FEATURE_LINK_SPEED_10M_HALF:
12397		phy->req_duplex = DUPLEX_HALF;
12398	case PORT_FEATURE_LINK_SPEED_10M_FULL:
12399		phy->req_line_speed = SPEED_10;
12400		break;
12401	case PORT_FEATURE_LINK_SPEED_100M_HALF:
12402		phy->req_duplex = DUPLEX_HALF;
12403	case PORT_FEATURE_LINK_SPEED_100M_FULL:
12404		phy->req_line_speed = SPEED_100;
12405		break;
12406	case PORT_FEATURE_LINK_SPEED_1G:
12407		phy->req_line_speed = SPEED_1000;
12408		break;
12409	case PORT_FEATURE_LINK_SPEED_2_5G:
12410		phy->req_line_speed = SPEED_2500;
12411		break;
12412	case PORT_FEATURE_LINK_SPEED_10G_CX4:
12413		phy->req_line_speed = SPEED_10000;
12414		break;
12415	default:
12416		phy->req_line_speed = SPEED_AUTO_NEG;
12417		break;
12418	}
12419
12420	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12421	case PORT_FEATURE_FLOW_CONTROL_AUTO:
12422		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12423		break;
12424	case PORT_FEATURE_FLOW_CONTROL_TX:
12425		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12426		break;
12427	case PORT_FEATURE_FLOW_CONTROL_RX:
12428		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12429		break;
12430	case PORT_FEATURE_FLOW_CONTROL_BOTH:
12431		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12432		break;
12433	default:
12434		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12435		break;
12436	}
12437}
12438
12439u32 bnx2x_phy_selection(struct link_params *params)
12440{
12441	u32 phy_config_swapped, prio_cfg;
12442	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12443
12444	phy_config_swapped = params->multi_phy_config &
12445		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12446
12447	prio_cfg = params->multi_phy_config &
12448			PORT_HW_CFG_PHY_SELECTION_MASK;
12449
12450	if (phy_config_swapped) {
12451		switch (prio_cfg) {
12452		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12453		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12454		     break;
12455		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12456		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12457		     break;
12458		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12459		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12460		     break;
12461		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12462		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12463		     break;
12464		}
12465	} else
12466		return_cfg = prio_cfg;
12467
12468	return return_cfg;
12469}
12470
12471int bnx2x_phy_probe(struct link_params *params)
12472{
12473	u8 phy_index, actual_phy_idx;
12474	u32 phy_config_swapped, sync_offset, media_types;
12475	struct bnx2x *bp = params->bp;
12476	struct bnx2x_phy *phy;
12477	params->num_phys = 0;
12478	DP(NETIF_MSG_LINK, "Begin phy probe\n");
12479	phy_config_swapped = params->multi_phy_config &
12480		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12481
12482	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12483	      phy_index++) {
12484		actual_phy_idx = phy_index;
12485		if (phy_config_swapped) {
12486			if (phy_index == EXT_PHY1)
12487				actual_phy_idx = EXT_PHY2;
12488			else if (phy_index == EXT_PHY2)
12489				actual_phy_idx = EXT_PHY1;
12490		}
12491		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12492			       " actual_phy_idx %x\n", phy_config_swapped,
12493			   phy_index, actual_phy_idx);
12494		phy = &params->phy[actual_phy_idx];
12495		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12496				       params->shmem2_base, params->port,
12497				       phy) != 0) {
12498			params->num_phys = 0;
12499			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12500				   phy_index);
12501			for (phy_index = INT_PHY;
12502			      phy_index < MAX_PHYS;
12503			      phy_index++)
12504				*phy = phy_null;
12505			return -EINVAL;
12506		}
12507		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12508			break;
12509
12510		if (params->feature_config_flags &
12511		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12512			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12513
12514		if (!(params->feature_config_flags &
12515		      FEATURE_CONFIG_MT_SUPPORT))
12516			phy->flags |= FLAGS_MDC_MDIO_WA_G;
12517
12518		sync_offset = params->shmem_base +
12519			offsetof(struct shmem_region,
12520			dev_info.port_hw_config[params->port].media_type);
12521		media_types = REG_RD(bp, sync_offset);
12522
12523		/* Update media type for non-PMF sync only for the first time
12524		 * In case the media type changes afterwards, it will be updated
12525		 * using the update_status function
12526		 */
12527		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12528				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12529				     actual_phy_idx))) == 0) {
12530			media_types |= ((phy->media_type &
12531					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12532				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12533				 actual_phy_idx));
12534		}
12535		REG_WR(bp, sync_offset, media_types);
12536
12537		bnx2x_phy_def_cfg(params, phy, phy_index);
12538		params->num_phys++;
12539	}
12540
12541	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12542	return 0;
12543}
12544
12545static void bnx2x_init_bmac_loopback(struct link_params *params,
12546				     struct link_vars *vars)
12547{
12548	struct bnx2x *bp = params->bp;
12549		vars->link_up = 1;
12550		vars->line_speed = SPEED_10000;
12551		vars->duplex = DUPLEX_FULL;
12552		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12553		vars->mac_type = MAC_TYPE_BMAC;
12554
12555		vars->phy_flags = PHY_XGXS_FLAG;
12556
12557		bnx2x_xgxs_deassert(params);
12558
12559		/* Set bmac loopback */
12560		bnx2x_bmac_enable(params, vars, 1, 1);
12561
12562		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12563}
12564
12565static void bnx2x_init_emac_loopback(struct link_params *params,
12566				     struct link_vars *vars)
12567{
12568	struct bnx2x *bp = params->bp;
12569		vars->link_up = 1;
12570		vars->line_speed = SPEED_1000;
12571		vars->duplex = DUPLEX_FULL;
12572		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12573		vars->mac_type = MAC_TYPE_EMAC;
12574
12575		vars->phy_flags = PHY_XGXS_FLAG;
12576
12577		bnx2x_xgxs_deassert(params);
12578		/* Set bmac loopback */
12579		bnx2x_emac_enable(params, vars, 1);
12580		bnx2x_emac_program(params, vars);
12581		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12582}
12583
12584static void bnx2x_init_xmac_loopback(struct link_params *params,
12585				     struct link_vars *vars)
12586{
12587	struct bnx2x *bp = params->bp;
12588	vars->link_up = 1;
12589	if (!params->req_line_speed[0])
12590		vars->line_speed = SPEED_10000;
12591	else
12592		vars->line_speed = params->req_line_speed[0];
12593	vars->duplex = DUPLEX_FULL;
12594	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12595	vars->mac_type = MAC_TYPE_XMAC;
12596	vars->phy_flags = PHY_XGXS_FLAG;
12597	/* Set WC to loopback mode since link is required to provide clock
12598	 * to the XMAC in 20G mode
12599	 */
12600	bnx2x_set_aer_mmd(params, &params->phy[0]);
12601	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12602	params->phy[INT_PHY].config_loopback(
12603			&params->phy[INT_PHY],
12604			params);
12605
12606	bnx2x_xmac_enable(params, vars, 1);
12607	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12608}
12609
12610static void bnx2x_init_umac_loopback(struct link_params *params,
12611				     struct link_vars *vars)
12612{
12613	struct bnx2x *bp = params->bp;
12614	vars->link_up = 1;
12615	vars->line_speed = SPEED_1000;
12616	vars->duplex = DUPLEX_FULL;
12617	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12618	vars->mac_type = MAC_TYPE_UMAC;
12619	vars->phy_flags = PHY_XGXS_FLAG;
12620	bnx2x_umac_enable(params, vars, 1);
12621
12622	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12623}
12624
12625static void bnx2x_init_xgxs_loopback(struct link_params *params,
12626				     struct link_vars *vars)
12627{
12628	struct bnx2x *bp = params->bp;
12629	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
12630	vars->link_up = 1;
12631	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12632	vars->duplex = DUPLEX_FULL;
12633	if (params->req_line_speed[0] == SPEED_1000)
12634		vars->line_speed = SPEED_1000;
12635	else if ((params->req_line_speed[0] == SPEED_20000) ||
12636		 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12637		vars->line_speed = SPEED_20000;
12638	else
12639		vars->line_speed = SPEED_10000;
12640
12641	if (!USES_WARPCORE(bp))
12642		bnx2x_xgxs_deassert(params);
12643	bnx2x_link_initialize(params, vars);
12644
12645	if (params->req_line_speed[0] == SPEED_1000) {
12646		if (USES_WARPCORE(bp))
12647			bnx2x_umac_enable(params, vars, 0);
12648		else {
12649			bnx2x_emac_program(params, vars);
12650			bnx2x_emac_enable(params, vars, 0);
12651		}
12652	} else {
12653		if (USES_WARPCORE(bp))
12654			bnx2x_xmac_enable(params, vars, 0);
12655		else
12656			bnx2x_bmac_enable(params, vars, 0, 1);
12657	}
12658
12659	if (params->loopback_mode == LOOPBACK_XGXS) {
12660		/* Set 10G XGXS loopback */
12661		int_phy->config_loopback(int_phy, params);
12662	} else {
12663		/* Set external phy loopback */
12664		u8 phy_index;
12665		for (phy_index = EXT_PHY1;
12666		      phy_index < params->num_phys; phy_index++)
12667			if (params->phy[phy_index].config_loopback)
12668				params->phy[phy_index].config_loopback(
12669					&params->phy[phy_index],
12670					params);
12671	}
12672	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12673
12674	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12675}
12676
12677void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12678{
12679	struct bnx2x *bp = params->bp;
12680	u8 val = en * 0x1F;
12681
12682	/* Open / close the gate between the NIG and the BRB */
12683	if (!CHIP_IS_E1x(bp))
12684		val |= en * 0x20;
12685	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12686
12687	if (!CHIP_IS_E1(bp)) {
12688		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12689		       en*0x3);
12690	}
12691
12692	REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12693		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
12694}
12695static int bnx2x_avoid_link_flap(struct link_params *params,
12696					    struct link_vars *vars)
12697{
12698	u32 phy_idx;
12699	u32 dont_clear_stat, lfa_sts;
12700	struct bnx2x *bp = params->bp;
12701
12702	bnx2x_set_mdio_emac_per_phy(bp, params);
12703	/* Sync the link parameters */
12704	bnx2x_link_status_update(params, vars);
12705
12706	/*
12707	 * The module verification was already done by previous link owner,
12708	 * so this call is meant only to get warning message
12709	 */
12710
12711	for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12712		struct bnx2x_phy *phy = &params->phy[phy_idx];
12713		if (phy->phy_specific_func) {
12714			DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12715			phy->phy_specific_func(phy, params, PHY_INIT);
12716		}
12717		if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12718		    (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12719		    (phy->media_type == ETH_PHY_DA_TWINAX))
12720			bnx2x_verify_sfp_module(phy, params);
12721	}
12722	lfa_sts = REG_RD(bp, params->lfa_base +
12723			 offsetof(struct shmem_lfa,
12724				  lfa_sts));
12725
12726	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12727
12728	/* Re-enable the NIG/MAC */
12729	if (CHIP_IS_E3(bp)) {
12730		if (!dont_clear_stat) {
12731			REG_WR(bp, GRCBASE_MISC +
12732			       MISC_REGISTERS_RESET_REG_2_CLEAR,
12733			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12734				params->port));
12735			REG_WR(bp, GRCBASE_MISC +
12736			       MISC_REGISTERS_RESET_REG_2_SET,
12737			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12738				params->port));
12739		}
12740		if (vars->line_speed < SPEED_10000)
12741			bnx2x_umac_enable(params, vars, 0);
12742		else
12743			bnx2x_xmac_enable(params, vars, 0);
12744	} else {
12745		if (vars->line_speed < SPEED_10000)
12746			bnx2x_emac_enable(params, vars, 0);
12747		else
12748			bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12749	}
12750
12751	/* Increment LFA count */
12752	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12753		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12754		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12755		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12756	/* Clear link flap reason */
12757	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12758
12759	REG_WR(bp, params->lfa_base +
12760	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12761
12762	/* Disable NIG DRAIN */
12763	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12764
12765	/* Enable interrupts */
12766	bnx2x_link_int_enable(params);
12767	return 0;
12768}
12769
12770static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12771					 struct link_vars *vars,
12772					 int lfa_status)
12773{
12774	u32 lfa_sts, cfg_idx, tmp_val;
12775	struct bnx2x *bp = params->bp;
12776
12777	bnx2x_link_reset(params, vars, 1);
12778
12779	if (!params->lfa_base)
12780		return;
12781	/* Store the new link parameters */
12782	REG_WR(bp, params->lfa_base +
12783	       offsetof(struct shmem_lfa, req_duplex),
12784	       params->req_duplex[0] | (params->req_duplex[1] << 16));
12785
12786	REG_WR(bp, params->lfa_base +
12787	       offsetof(struct shmem_lfa, req_flow_ctrl),
12788	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12789
12790	REG_WR(bp, params->lfa_base +
12791	       offsetof(struct shmem_lfa, req_line_speed),
12792	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12793
12794	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12795		REG_WR(bp, params->lfa_base +
12796		       offsetof(struct shmem_lfa,
12797				speed_cap_mask[cfg_idx]),
12798		       params->speed_cap_mask[cfg_idx]);
12799	}
12800
12801	tmp_val = REG_RD(bp, params->lfa_base +
12802			 offsetof(struct shmem_lfa, additional_config));
12803	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12804	tmp_val |= params->req_fc_auto_adv;
12805
12806	REG_WR(bp, params->lfa_base +
12807	       offsetof(struct shmem_lfa, additional_config), tmp_val);
12808
12809	lfa_sts = REG_RD(bp, params->lfa_base +
12810			 offsetof(struct shmem_lfa, lfa_sts));
12811
12812	/* Clear the "Don't Clear Statistics" bit, and set reason */
12813	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12814
12815	/* Set link flap reason */
12816	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12817	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12818		    LFA_LINK_FLAP_REASON_OFFSET);
12819
12820	/* Increment link flap counter */
12821	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12822		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12823		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12824		    << LINK_FLAP_COUNT_OFFSET));
12825	REG_WR(bp, params->lfa_base +
12826	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12827	/* Proceed with regular link initialization */
12828}
12829
12830int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12831{
12832	int lfa_status;
12833	struct bnx2x *bp = params->bp;
12834	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12835	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12836		   params->req_line_speed[0], params->req_flow_ctrl[0]);
12837	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12838		   params->req_line_speed[1], params->req_flow_ctrl[1]);
12839	DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12840	vars->link_status = 0;
12841	vars->phy_link_up = 0;
12842	vars->link_up = 0;
12843	vars->line_speed = 0;
12844	vars->duplex = DUPLEX_FULL;
12845	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12846	vars->mac_type = MAC_TYPE_NONE;
12847	vars->phy_flags = 0;
12848	vars->check_kr2_recovery_cnt = 0;
12849	params->link_flags = PHY_INITIALIZED;
12850	/* Driver opens NIG-BRB filters */
12851	bnx2x_set_rx_filter(params, 1);
12852	bnx2x_chng_link_count(params, true);
12853	/* Check if link flap can be avoided */
12854	lfa_status = bnx2x_check_lfa(params);
12855
12856	if (lfa_status == 0) {
12857		DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12858		return bnx2x_avoid_link_flap(params, vars);
12859	}
12860
12861	DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12862		       lfa_status);
12863	bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12864
12865	/* Disable attentions */
12866	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12867		       (NIG_MASK_XGXS0_LINK_STATUS |
12868			NIG_MASK_XGXS0_LINK10G |
12869			NIG_MASK_SERDES0_LINK_STATUS |
12870			NIG_MASK_MI_INT));
12871
12872	bnx2x_emac_init(params, vars);
12873
12874	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12875		vars->link_status |= LINK_STATUS_PFC_ENABLED;
12876
12877	if (params->num_phys == 0) {
12878		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12879		return -EINVAL;
12880	}
12881	set_phy_vars(params, vars);
12882
12883	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12884	switch (params->loopback_mode) {
12885	case LOOPBACK_BMAC:
12886		bnx2x_init_bmac_loopback(params, vars);
12887		break;
12888	case LOOPBACK_EMAC:
12889		bnx2x_init_emac_loopback(params, vars);
12890		break;
12891	case LOOPBACK_XMAC:
12892		bnx2x_init_xmac_loopback(params, vars);
12893		break;
12894	case LOOPBACK_UMAC:
12895		bnx2x_init_umac_loopback(params, vars);
12896		break;
12897	case LOOPBACK_XGXS:
12898	case LOOPBACK_EXT_PHY:
12899		bnx2x_init_xgxs_loopback(params, vars);
12900		break;
12901	default:
12902		if (!CHIP_IS_E3(bp)) {
12903			if (params->switch_cfg == SWITCH_CFG_10G)
12904				bnx2x_xgxs_deassert(params);
12905			else
12906				bnx2x_serdes_deassert(bp, params->port);
12907		}
12908		bnx2x_link_initialize(params, vars);
12909		msleep(30);
12910		bnx2x_link_int_enable(params);
12911		break;
12912	}
12913	bnx2x_update_mng(params, vars->link_status);
12914
12915	bnx2x_update_mng_eee(params, vars->eee_status);
12916	return 0;
12917}
12918
12919int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12920		     u8 reset_ext_phy)
12921{
12922	struct bnx2x *bp = params->bp;
12923	u8 phy_index, port = params->port, clear_latch_ind = 0;
12924	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12925	/* Disable attentions */
12926	vars->link_status = 0;
12927	bnx2x_chng_link_count(params, true);
12928	bnx2x_update_mng(params, vars->link_status);
12929	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12930			      SHMEM_EEE_ACTIVE_BIT);
12931	bnx2x_update_mng_eee(params, vars->eee_status);
12932	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12933		       (NIG_MASK_XGXS0_LINK_STATUS |
12934			NIG_MASK_XGXS0_LINK10G |
12935			NIG_MASK_SERDES0_LINK_STATUS |
12936			NIG_MASK_MI_INT));
12937
12938	/* Activate nig drain */
12939	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12940
12941	/* Disable nig egress interface */
12942	if (!CHIP_IS_E3(bp)) {
12943		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12944		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12945	}
12946
12947		if (!CHIP_IS_E3(bp)) {
12948			bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12949		} else {
12950			bnx2x_set_xmac_rxtx(params, 0);
12951			bnx2x_set_umac_rxtx(params, 0);
12952		}
12953	/* Disable emac */
12954	if (!CHIP_IS_E3(bp))
12955		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12956
12957	usleep_range(10000, 20000);
12958	/* The PHY reset is controlled by GPIO 1
12959	 * Hold it as vars low
12960	 */
12961	 /* Clear link led */
12962	bnx2x_set_mdio_emac_per_phy(bp, params);
12963	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12964
12965	if (reset_ext_phy) {
12966		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12967		      phy_index++) {
12968			if (params->phy[phy_index].link_reset) {
12969				bnx2x_set_aer_mmd(params,
12970						  &params->phy[phy_index]);
12971				params->phy[phy_index].link_reset(
12972					&params->phy[phy_index],
12973					params);
12974			}
12975			if (params->phy[phy_index].flags &
12976			    FLAGS_REARM_LATCH_SIGNAL)
12977				clear_latch_ind = 1;
12978		}
12979	}
12980
12981	if (clear_latch_ind) {
12982		/* Clear latching indication */
12983		bnx2x_rearm_latch_signal(bp, port, 0);
12984		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12985			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
12986	}
12987	if (params->phy[INT_PHY].link_reset)
12988		params->phy[INT_PHY].link_reset(
12989			&params->phy[INT_PHY], params);
12990
12991	/* Disable nig ingress interface */
12992	if (!CHIP_IS_E3(bp)) {
12993		/* Reset BigMac */
12994		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12995		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12996		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12997		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12998	} else {
12999		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13000		bnx2x_set_xumac_nig(params, 0, 0);
13001		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13002		    MISC_REGISTERS_RESET_REG_2_XMAC)
13003			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
13004			       XMAC_CTRL_REG_SOFT_RESET);
13005	}
13006	vars->link_up = 0;
13007	vars->phy_flags = 0;
13008	return 0;
13009}
13010int bnx2x_lfa_reset(struct link_params *params,
13011			       struct link_vars *vars)
13012{
13013	struct bnx2x *bp = params->bp;
13014	vars->link_up = 0;
13015	vars->phy_flags = 0;
13016	params->link_flags &= ~PHY_INITIALIZED;
13017	if (!params->lfa_base)
13018		return bnx2x_link_reset(params, vars, 1);
13019	/*
13020	 * Activate NIG drain so that during this time the device won't send
13021	 * anything while it is unable to response.
13022	 */
13023	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13024
13025	/*
13026	 * Close gracefully the gate from BMAC to NIG such that no half packets
13027	 * are passed.
13028	 */
13029	if (!CHIP_IS_E3(bp))
13030		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
13031
13032	if (CHIP_IS_E3(bp)) {
13033		bnx2x_set_xmac_rxtx(params, 0);
13034		bnx2x_set_umac_rxtx(params, 0);
13035	}
13036	/* Wait 10ms for the pipe to clean up*/
13037	usleep_range(10000, 20000);
13038
13039	/* Clean the NIG-BRB using the network filters in a way that will
13040	 * not cut a packet in the middle.
13041	 */
13042	bnx2x_set_rx_filter(params, 0);
13043
13044	/*
13045	 * Re-open the gate between the BMAC and the NIG, after verifying the
13046	 * gate to the BRB is closed, otherwise packets may arrive to the
13047	 * firmware before driver had initialized it. The target is to achieve
13048	 * minimum management protocol down time.
13049	 */
13050	if (!CHIP_IS_E3(bp))
13051		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
13052
13053	if (CHIP_IS_E3(bp)) {
13054		bnx2x_set_xmac_rxtx(params, 1);
13055		bnx2x_set_umac_rxtx(params, 1);
13056	}
13057	/* Disable NIG drain */
13058	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13059	return 0;
13060}
13061
13062/****************************************************************************/
13063/*				Common function				    */
13064/****************************************************************************/
13065static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
13066				      u32 shmem_base_path[],
13067				      u32 shmem2_base_path[], u8 phy_index,
13068				      u32 chip_id)
13069{
13070	struct bnx2x_phy phy[PORT_MAX];
13071	struct bnx2x_phy *phy_blk[PORT_MAX];
13072	u16 val;
13073	s8 port = 0;
13074	s8 port_of_path = 0;
13075	u32 swap_val, swap_override;
13076	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
13077	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
13078	port ^= (swap_val && swap_override);
13079	bnx2x_ext_phy_hw_reset(bp, port);
13080	/* PART1 - Reset both phys */
13081	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13082		u32 shmem_base, shmem2_base;
13083		/* In E2, same phy is using for port0 of the two paths */
13084		if (CHIP_IS_E1x(bp)) {
13085			shmem_base = shmem_base_path[0];
13086			shmem2_base = shmem2_base_path[0];
13087			port_of_path = port;
13088		} else {
13089			shmem_base = shmem_base_path[port];
13090			shmem2_base = shmem2_base_path[port];
13091			port_of_path = 0;
13092		}
13093
13094		/* Extract the ext phy address for the port */
13095		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13096				       port_of_path, &phy[port]) !=
13097		    0) {
13098			DP(NETIF_MSG_LINK, "populate_phy failed\n");
13099			return -EINVAL;
13100		}
13101		/* Disable attentions */
13102		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13103			       port_of_path*4,
13104			       (NIG_MASK_XGXS0_LINK_STATUS |
13105				NIG_MASK_XGXS0_LINK10G |
13106				NIG_MASK_SERDES0_LINK_STATUS |
13107				NIG_MASK_MI_INT));
13108
13109		/* Need to take the phy out of low power mode in order
13110		 * to write to access its registers
13111		 */
13112		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13113			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13114			       port);
13115
13116		/* Reset the phy */
13117		bnx2x_cl45_write(bp, &phy[port],
13118				 MDIO_PMA_DEVAD,
13119				 MDIO_PMA_REG_CTRL,
13120				 1<<15);
13121	}
13122
13123	/* Add delay of 150ms after reset */
13124	msleep(150);
13125
13126	if (phy[PORT_0].addr & 0x1) {
13127		phy_blk[PORT_0] = &(phy[PORT_1]);
13128		phy_blk[PORT_1] = &(phy[PORT_0]);
13129	} else {
13130		phy_blk[PORT_0] = &(phy[PORT_0]);
13131		phy_blk[PORT_1] = &(phy[PORT_1]);
13132	}
13133
13134	/* PART2 - Download firmware to both phys */
13135	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13136		if (CHIP_IS_E1x(bp))
13137			port_of_path = port;
13138		else
13139			port_of_path = 0;
13140
13141		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13142			   phy_blk[port]->addr);
13143		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13144						      port_of_path))
13145			return -EINVAL;
13146
13147		/* Only set bit 10 = 1 (Tx power down) */
13148		bnx2x_cl45_read(bp, phy_blk[port],
13149				MDIO_PMA_DEVAD,
13150				MDIO_PMA_REG_TX_POWER_DOWN, &val);
13151
13152		/* Phase1 of TX_POWER_DOWN reset */
13153		bnx2x_cl45_write(bp, phy_blk[port],
13154				 MDIO_PMA_DEVAD,
13155				 MDIO_PMA_REG_TX_POWER_DOWN,
13156				 (val | 1<<10));
13157	}
13158
13159	/* Toggle Transmitter: Power down and then up with 600ms delay
13160	 * between
13161	 */
13162	msleep(600);
13163
13164	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
13165	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13166		/* Phase2 of POWER_DOWN_RESET */
13167		/* Release bit 10 (Release Tx power down) */
13168		bnx2x_cl45_read(bp, phy_blk[port],
13169				MDIO_PMA_DEVAD,
13170				MDIO_PMA_REG_TX_POWER_DOWN, &val);
13171
13172		bnx2x_cl45_write(bp, phy_blk[port],
13173				MDIO_PMA_DEVAD,
13174				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
13175		usleep_range(15000, 30000);
13176
13177		/* Read modify write the SPI-ROM version select register */
13178		bnx2x_cl45_read(bp, phy_blk[port],
13179				MDIO_PMA_DEVAD,
13180				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
13181		bnx2x_cl45_write(bp, phy_blk[port],
13182				 MDIO_PMA_DEVAD,
13183				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
13184
13185		/* set GPIO2 back to LOW */
13186		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13187			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
13188	}
13189	return 0;
13190}
13191static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
13192				      u32 shmem_base_path[],
13193				      u32 shmem2_base_path[], u8 phy_index,
13194				      u32 chip_id)
13195{
13196	u32 val;
13197	s8 port;
13198	struct bnx2x_phy phy;
13199	/* Use port1 because of the static port-swap */
13200	/* Enable the module detection interrupt */
13201	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13202	val |= ((1<<MISC_REGISTERS_GPIO_3)|
13203		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
13204	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13205
13206	bnx2x_ext_phy_hw_reset(bp, 0);
13207	usleep_range(5000, 10000);
13208	for (port = 0; port < PORT_MAX; port++) {
13209		u32 shmem_base, shmem2_base;
13210
13211		/* In E2, same phy is using for port0 of the two paths */
13212		if (CHIP_IS_E1x(bp)) {
13213			shmem_base = shmem_base_path[0];
13214			shmem2_base = shmem2_base_path[0];
13215		} else {
13216			shmem_base = shmem_base_path[port];
13217			shmem2_base = shmem2_base_path[port];
13218		}
13219		/* Extract the ext phy address for the port */
13220		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13221				       port, &phy) !=
13222		    0) {
13223			DP(NETIF_MSG_LINK, "populate phy failed\n");
13224			return -EINVAL;
13225		}
13226
13227		/* Reset phy*/
13228		bnx2x_cl45_write(bp, &phy,
13229				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13230
13231
13232		/* Set fault module detected LED on */
13233		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13234			       MISC_REGISTERS_GPIO_HIGH,
13235			       port);
13236	}
13237
13238	return 0;
13239}
13240static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13241					 u8 *io_gpio, u8 *io_port)
13242{
13243
13244	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13245					  offsetof(struct shmem_region,
13246				dev_info.port_hw_config[PORT_0].default_cfg));
13247	switch (phy_gpio_reset) {
13248	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13249		*io_gpio = 0;
13250		*io_port = 0;
13251		break;
13252	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13253		*io_gpio = 1;
13254		*io_port = 0;
13255		break;
13256	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13257		*io_gpio = 2;
13258		*io_port = 0;
13259		break;
13260	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13261		*io_gpio = 3;
13262		*io_port = 0;
13263		break;
13264	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13265		*io_gpio = 0;
13266		*io_port = 1;
13267		break;
13268	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13269		*io_gpio = 1;
13270		*io_port = 1;
13271		break;
13272	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13273		*io_gpio = 2;
13274		*io_port = 1;
13275		break;
13276	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13277		*io_gpio = 3;
13278		*io_port = 1;
13279		break;
13280	default:
13281		/* Don't override the io_gpio and io_port */
13282		break;
13283	}
13284}
13285
13286static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13287				      u32 shmem_base_path[],
13288				      u32 shmem2_base_path[], u8 phy_index,
13289				      u32 chip_id)
13290{
13291	s8 port, reset_gpio;
13292	u32 swap_val, swap_override;
13293	struct bnx2x_phy phy[PORT_MAX];
13294	struct bnx2x_phy *phy_blk[PORT_MAX];
13295	s8 port_of_path;
13296	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13297	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13298
13299	reset_gpio = MISC_REGISTERS_GPIO_1;
13300	port = 1;
13301
13302	/* Retrieve the reset gpio/port which control the reset.
13303	 * Default is GPIO1, PORT1
13304	 */
13305	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13306				     (u8 *)&reset_gpio, (u8 *)&port);
13307
13308	/* Calculate the port based on port swap */
13309	port ^= (swap_val && swap_override);
13310
13311	/* Initiate PHY reset*/
13312	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13313		       port);
13314	usleep_range(1000, 2000);
13315	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13316		       port);
13317
13318	usleep_range(5000, 10000);
13319
13320	/* PART1 - Reset both phys */
13321	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13322		u32 shmem_base, shmem2_base;
13323
13324		/* In E2, same phy is using for port0 of the two paths */
13325		if (CHIP_IS_E1x(bp)) {
13326			shmem_base = shmem_base_path[0];
13327			shmem2_base = shmem2_base_path[0];
13328			port_of_path = port;
13329		} else {
13330			shmem_base = shmem_base_path[port];
13331			shmem2_base = shmem2_base_path[port];
13332			port_of_path = 0;
13333		}
13334
13335		/* Extract the ext phy address for the port */
13336		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13337				       port_of_path, &phy[port]) !=
13338				       0) {
13339			DP(NETIF_MSG_LINK, "populate phy failed\n");
13340			return -EINVAL;
13341		}
13342		/* disable attentions */
13343		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13344			       port_of_path*4,
13345			       (NIG_MASK_XGXS0_LINK_STATUS |
13346				NIG_MASK_XGXS0_LINK10G |
13347				NIG_MASK_SERDES0_LINK_STATUS |
13348				NIG_MASK_MI_INT));
13349
13350
13351		/* Reset the phy */
13352		bnx2x_cl45_write(bp, &phy[port],
13353				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13354	}
13355
13356	/* Add delay of 150ms after reset */
13357	msleep(150);
13358	if (phy[PORT_0].addr & 0x1) {
13359		phy_blk[PORT_0] = &(phy[PORT_1]);
13360		phy_blk[PORT_1] = &(phy[PORT_0]);
13361	} else {
13362		phy_blk[PORT_0] = &(phy[PORT_0]);
13363		phy_blk[PORT_1] = &(phy[PORT_1]);
13364	}
13365	/* PART2 - Download firmware to both phys */
13366	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13367		if (CHIP_IS_E1x(bp))
13368			port_of_path = port;
13369		else
13370			port_of_path = 0;
13371		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13372			   phy_blk[port]->addr);
13373		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13374						      port_of_path))
13375			return -EINVAL;
13376		/* Disable PHY transmitter output */
13377		bnx2x_cl45_write(bp, phy_blk[port],
13378				 MDIO_PMA_DEVAD,
13379				 MDIO_PMA_REG_TX_DISABLE, 1);
13380
13381	}
13382	return 0;
13383}
13384
13385static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13386						u32 shmem_base_path[],
13387						u32 shmem2_base_path[],
13388						u8 phy_index,
13389						u32 chip_id)
13390{
13391	u8 reset_gpios;
13392	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13393	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13394	udelay(10);
13395	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13396	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13397		reset_gpios);
13398	return 0;
13399}
13400
13401static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13402				     u32 shmem2_base_path[], u8 phy_index,
13403				     u32 ext_phy_type, u32 chip_id)
13404{
13405	int rc = 0;
13406
13407	switch (ext_phy_type) {
13408	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13409		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13410						shmem2_base_path,
13411						phy_index, chip_id);
13412		break;
13413	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13414	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13415	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13416		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13417						shmem2_base_path,
13418						phy_index, chip_id);
13419		break;
13420
13421	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13422		/* GPIO1 affects both ports, so there's need to pull
13423		 * it for single port alone
13424		 */
13425		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13426						shmem2_base_path,
13427						phy_index, chip_id);
13428		break;
13429	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13430	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13431	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
13432		/* GPIO3's are linked, and so both need to be toggled
13433		 * to obtain required 2us pulse.
13434		 */
13435		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13436						shmem2_base_path,
13437						phy_index, chip_id);
13438		break;
13439	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13440		rc = -EINVAL;
13441		break;
13442	default:
13443		DP(NETIF_MSG_LINK,
13444			   "ext_phy 0x%x common init not required\n",
13445			   ext_phy_type);
13446		break;
13447	}
13448
13449	if (rc)
13450		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
13451				      " Port %d\n",
13452			 0);
13453	return rc;
13454}
13455
13456int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13457			  u32 shmem2_base_path[], u32 chip_id)
13458{
13459	int rc = 0;
13460	u32 phy_ver, val;
13461	u8 phy_index = 0;
13462	u32 ext_phy_type, ext_phy_config;
13463
13464	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13465	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13466	DP(NETIF_MSG_LINK, "Begin common phy init\n");
13467	if (CHIP_IS_E3(bp)) {
13468		/* Enable EPIO */
13469		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13470		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13471	}
13472	/* Check if common init was already done */
13473	phy_ver = REG_RD(bp, shmem_base_path[0] +
13474			 offsetof(struct shmem_region,
13475				  port_mb[PORT_0].ext_phy_fw_version));
13476	if (phy_ver) {
13477		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13478			       phy_ver);
13479		return 0;
13480	}
13481
13482	/* Read the ext_phy_type for arbitrary port(0) */
13483	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13484	      phy_index++) {
13485		ext_phy_config = bnx2x_get_ext_phy_config(bp,
13486							  shmem_base_path[0],
13487							  phy_index, 0);
13488		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13489		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13490						shmem2_base_path,
13491						phy_index, ext_phy_type,
13492						chip_id);
13493	}
13494	return rc;
13495}
13496
13497static void bnx2x_check_over_curr(struct link_params *params,
13498				  struct link_vars *vars)
13499{
13500	struct bnx2x *bp = params->bp;
13501	u32 cfg_pin;
13502	u8 port = params->port;
13503	u32 pin_val;
13504
13505	cfg_pin = (REG_RD(bp, params->shmem_base +
13506			  offsetof(struct shmem_region,
13507			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13508		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13509		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13510
13511	/* Ignore check if no external input PIN available */
13512	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13513		return;
13514
13515	if (!pin_val) {
13516		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13517			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
13518					    " been detected and the power to "
13519					    "that SFP+ module has been removed"
13520					    " to prevent failure of the card."
13521					    " Please remove the SFP+ module and"
13522					    " restart the system to clear this"
13523					    " error.\n",
13524			 params->port);
13525			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13526			bnx2x_warpcore_power_module(params, 0);
13527		}
13528	} else
13529		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13530}
13531
13532/* Returns 0 if no change occurred since last check; 1 otherwise. */
13533static u8 bnx2x_analyze_link_error(struct link_params *params,
13534				    struct link_vars *vars, u32 status,
13535				    u32 phy_flag, u32 link_flag, u8 notify)
13536{
13537	struct bnx2x *bp = params->bp;
13538	/* Compare new value with previous value */
13539	u8 led_mode;
13540	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13541
13542	if ((status ^ old_status) == 0)
13543		return 0;
13544
13545	/* If values differ */
13546	switch (phy_flag) {
13547	case PHY_HALF_OPEN_CONN_FLAG:
13548		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13549		break;
13550	case PHY_SFP_TX_FAULT_FLAG:
13551		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13552		break;
13553	default:
13554		DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13555	}
13556	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13557	   old_status, status);
13558
13559	/* Do not touch the link in case physical link down */
13560	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13561		return 1;
13562
13563	/* a. Update shmem->link_status accordingly
13564	 * b. Update link_vars->link_up
13565	 */
13566	if (status) {
13567		vars->link_status &= ~LINK_STATUS_LINK_UP;
13568		vars->link_status |= link_flag;
13569		vars->link_up = 0;
13570		vars->phy_flags |= phy_flag;
13571
13572		/* activate nig drain */
13573		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13574		/* Set LED mode to off since the PHY doesn't know about these
13575		 * errors
13576		 */
13577		led_mode = LED_MODE_OFF;
13578	} else {
13579		vars->link_status |= LINK_STATUS_LINK_UP;
13580		vars->link_status &= ~link_flag;
13581		vars->link_up = 1;
13582		vars->phy_flags &= ~phy_flag;
13583		led_mode = LED_MODE_OPER;
13584
13585		/* Clear nig drain */
13586		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13587	}
13588	bnx2x_sync_link(params, vars);
13589	/* Update the LED according to the link state */
13590	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13591
13592	/* Update link status in the shared memory */
13593	bnx2x_update_mng(params, vars->link_status);
13594
13595	/* C. Trigger General Attention */
13596	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13597	if (notify)
13598		bnx2x_notify_link_changed(bp);
13599
13600	return 1;
13601}
13602
13603/******************************************************************************
13604* Description:
13605*	This function checks for half opened connection change indication.
13606*	When such change occurs, it calls the bnx2x_analyze_link_error
13607*	to check if Remote Fault is set or cleared. Reception of remote fault
13608*	status message in the MAC indicates that the peer's MAC has detected
13609*	a fault, for example, due to break in the TX side of fiber.
13610*
13611******************************************************************************/
13612static int bnx2x_check_half_open_conn(struct link_params *params,
13613				      struct link_vars *vars,
13614				      u8 notify)
13615{
13616	struct bnx2x *bp = params->bp;
13617	u32 lss_status = 0;
13618	u32 mac_base;
13619	/* In case link status is physically up @ 10G do */
13620	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13621	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13622		return 0;
13623
13624	if (CHIP_IS_E3(bp) &&
13625	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
13626	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13627		/* Check E3 XMAC */
13628		/* Note that link speed cannot be queried here, since it may be
13629		 * zero while link is down. In case UMAC is active, LSS will
13630		 * simply not be set
13631		 */
13632		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13633
13634		/* Clear stick bits (Requires rising edge) */
13635		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13636		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13637		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13638		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13639		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13640			lss_status = 1;
13641
13642		bnx2x_analyze_link_error(params, vars, lss_status,
13643					 PHY_HALF_OPEN_CONN_FLAG,
13644					 LINK_STATUS_NONE, notify);
13645	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13646		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13647		/* Check E1X / E2 BMAC */
13648		u32 lss_status_reg;
13649		u32 wb_data[2];
13650		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13651			NIG_REG_INGRESS_BMAC0_MEM;
13652		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13653		if (CHIP_IS_E2(bp))
13654			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13655		else
13656			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13657
13658		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13659		lss_status = (wb_data[0] > 0);
13660
13661		bnx2x_analyze_link_error(params, vars, lss_status,
13662					 PHY_HALF_OPEN_CONN_FLAG,
13663					 LINK_STATUS_NONE, notify);
13664	}
13665	return 0;
13666}
13667static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13668					 struct link_params *params,
13669					 struct link_vars *vars)
13670{
13671	struct bnx2x *bp = params->bp;
13672	u32 cfg_pin, value = 0;
13673	u8 led_change, port = params->port;
13674
13675	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13676	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13677			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13678		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13679		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13680
13681	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13682		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13683		return;
13684	}
13685
13686	led_change = bnx2x_analyze_link_error(params, vars, value,
13687					      PHY_SFP_TX_FAULT_FLAG,
13688					      LINK_STATUS_SFP_TX_FAULT, 1);
13689
13690	if (led_change) {
13691		/* Change TX_Fault led, set link status for further syncs */
13692		u8 led_mode;
13693
13694		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13695			led_mode = MISC_REGISTERS_GPIO_HIGH;
13696			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13697		} else {
13698			led_mode = MISC_REGISTERS_GPIO_LOW;
13699			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13700		}
13701
13702		/* If module is unapproved, led should be on regardless */
13703		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13704			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13705			   led_mode);
13706			bnx2x_set_e3_module_fault_led(params, led_mode);
13707		}
13708	}
13709}
13710static void bnx2x_kr2_recovery(struct link_params *params,
13711			       struct link_vars *vars,
13712			       struct bnx2x_phy *phy)
13713{
13714	struct bnx2x *bp = params->bp;
13715	DP(NETIF_MSG_LINK, "KR2 recovery\n");
13716	bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13717	bnx2x_warpcore_restart_AN_KR(phy, params);
13718}
13719
13720static void bnx2x_check_kr2_wa(struct link_params *params,
13721			       struct link_vars *vars,
13722			       struct bnx2x_phy *phy)
13723{
13724	struct bnx2x *bp = params->bp;
13725	u16 base_page, next_page, not_kr2_device, lane;
13726	int sigdet;
13727
13728	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13729	 * Since some switches tend to reinit the AN process and clear the
13730	 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13731	 * and recovered many times
13732	 */
13733	if (vars->check_kr2_recovery_cnt > 0) {
13734		vars->check_kr2_recovery_cnt--;
13735		return;
13736	}
13737
13738	sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13739	if (!sigdet) {
13740		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13741			bnx2x_kr2_recovery(params, vars, phy);
13742			DP(NETIF_MSG_LINK, "No sigdet\n");
13743		}
13744		return;
13745	}
13746
13747	lane = bnx2x_get_warpcore_lane(phy, params);
13748	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13749			  MDIO_AER_BLOCK_AER_REG, lane);
13750	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13751			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13752	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13753			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13754	bnx2x_set_aer_mmd(params, phy);
13755
13756	/* CL73 has not begun yet */
13757	if (base_page == 0) {
13758		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13759			bnx2x_kr2_recovery(params, vars, phy);
13760			DP(NETIF_MSG_LINK, "No BP\n");
13761		}
13762		return;
13763	}
13764
13765	/* In case NP bit is not set in the BasePage, or it is set,
13766	 * but only KX is advertised, declare this link partner as non-KR2
13767	 * device.
13768	 */
13769	not_kr2_device = (((base_page & 0x8000) == 0) ||
13770			  (((base_page & 0x8000) &&
13771			    ((next_page & 0xe0) == 0x20))));
13772
13773	/* In case KR2 is already disabled, check if we need to re-enable it */
13774	if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13775		if (!not_kr2_device) {
13776			DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13777			   next_page);
13778			bnx2x_kr2_recovery(params, vars, phy);
13779		}
13780		return;
13781	}
13782	/* KR2 is enabled, but not KR2 device */
13783	if (not_kr2_device) {
13784		/* Disable KR2 on both lanes */
13785		DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13786		bnx2x_disable_kr2(params, vars, phy);
13787		/* Restart AN on leading lane */
13788		bnx2x_warpcore_restart_AN_KR(phy, params);
13789		return;
13790	}
13791}
13792
13793void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13794{
13795	u16 phy_idx;
13796	struct bnx2x *bp = params->bp;
13797	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13798		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13799			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13800			if (bnx2x_check_half_open_conn(params, vars, 1) !=
13801			    0)
13802				DP(NETIF_MSG_LINK, "Fault detection failed\n");
13803			break;
13804		}
13805	}
13806
13807	if (CHIP_IS_E3(bp)) {
13808		struct bnx2x_phy *phy = &params->phy[INT_PHY];
13809		bnx2x_set_aer_mmd(params, phy);
13810		if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13811		    (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
13812			bnx2x_check_kr2_wa(params, vars, phy);
13813		bnx2x_check_over_curr(params, vars);
13814		if (vars->rx_tx_asic_rst)
13815			bnx2x_warpcore_config_runtime(phy, params, vars);
13816
13817		if ((REG_RD(bp, params->shmem_base +
13818			    offsetof(struct shmem_region, dev_info.
13819				port_hw_config[params->port].default_cfg))
13820		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13821		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
13822			if (bnx2x_is_sfp_module_plugged(phy, params)) {
13823				bnx2x_sfp_tx_fault_detection(phy, params, vars);
13824			} else if (vars->link_status &
13825				LINK_STATUS_SFP_TX_FAULT) {
13826				/* Clean trail, interrupt corrects the leds */
13827				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13828				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13829				/* Update link status in the shared memory */
13830				bnx2x_update_mng(params, vars->link_status);
13831			}
13832		}
13833	}
13834}
13835
13836u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13837			     u32 shmem_base,
13838			     u32 shmem2_base,
13839			     u8 port)
13840{
13841	u8 phy_index, fan_failure_det_req = 0;
13842	struct bnx2x_phy phy;
13843	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13844	      phy_index++) {
13845		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13846				       port, &phy)
13847		    != 0) {
13848			DP(NETIF_MSG_LINK, "populate phy failed\n");
13849			return 0;
13850		}
13851		fan_failure_det_req |= (phy.flags &
13852					FLAGS_FAN_FAILURE_DET_REQ);
13853	}
13854	return fan_failure_det_req;
13855}
13856
13857void bnx2x_hw_reset_phy(struct link_params *params)
13858{
13859	u8 phy_index;
13860	struct bnx2x *bp = params->bp;
13861	bnx2x_update_mng(params, 0);
13862	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13863		       (NIG_MASK_XGXS0_LINK_STATUS |
13864			NIG_MASK_XGXS0_LINK10G |
13865			NIG_MASK_SERDES0_LINK_STATUS |
13866			NIG_MASK_MI_INT));
13867
13868	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13869	      phy_index++) {
13870		if (params->phy[phy_index].hw_reset) {
13871			params->phy[phy_index].hw_reset(
13872				&params->phy[phy_index],
13873				params);
13874			params->phy[phy_index] = phy_null;
13875		}
13876	}
13877}
13878
13879void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13880			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
13881			    u8 port)
13882{
13883	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13884	u32 val;
13885	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13886	if (CHIP_IS_E3(bp)) {
13887		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13888					      shmem_base,
13889					      port,
13890					      &gpio_num,
13891					      &gpio_port) != 0)
13892			return;
13893	} else {
13894		struct bnx2x_phy phy;
13895		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13896		      phy_index++) {
13897			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13898					       shmem2_base, port, &phy)
13899			    != 0) {
13900				DP(NETIF_MSG_LINK, "populate phy failed\n");
13901				return;
13902			}
13903			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13904				gpio_num = MISC_REGISTERS_GPIO_3;
13905				gpio_port = port;
13906				break;
13907			}
13908		}
13909	}
13910
13911	if (gpio_num == 0xff)
13912		return;
13913
13914	/* Set GPIO3 to trigger SFP+ module insertion/removal */
13915	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13916
13917	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13918	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13919	gpio_port ^= (swap_val && swap_override);
13920
13921	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13922		(gpio_num + (gpio_port << 2));
13923
13924	sync_offset = shmem_base +
13925		offsetof(struct shmem_region,
13926			 dev_info.port_hw_config[port].aeu_int_mask);
13927	REG_WR(bp, sync_offset, vars->aeu_int_mask);
13928
13929	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13930		       gpio_num, gpio_port, vars->aeu_int_mask);
13931
13932	if (port == 0)
13933		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13934	else
13935		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13936
13937	/* Open appropriate AEU for interrupts */
13938	aeu_mask = REG_RD(bp, offset);
13939	aeu_mask |= vars->aeu_int_mask;
13940	REG_WR(bp, offset, aeu_mask);
13941
13942	/* Enable the GPIO to trigger interrupt */
13943	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13944	val |= 1 << (gpio_num + (gpio_port << 2));
13945	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13946}
13947