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 MDIO_ACCESS_TIMEOUT		1000
38#define WC_LANE_MAX			4
39#define I2C_SWITCH_WIDTH		2
40#define I2C_BSC0			0
41#define I2C_BSC1			1
42#define I2C_WA_RETRY_CNT		3
43#define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
44#define MCPR_IMC_COMMAND_READ_OP	1
45#define MCPR_IMC_COMMAND_WRITE_OP	2
46
47/* LED Blink rate that will achieve ~15.9Hz */
48#define LED_BLINK_RATE_VAL_E3		354
49#define LED_BLINK_RATE_VAL_E1X_E2	480
50/***********************************************************/
51/*			Shortcut definitions		   */
52/***********************************************************/
53
54#define NIG_LATCH_BC_ENABLE_MI_INT 0
55
56#define NIG_STATUS_EMAC0_MI_INT \
57		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
58#define NIG_STATUS_XGXS0_LINK10G \
59		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
60#define NIG_STATUS_XGXS0_LINK_STATUS \
61		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
62#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
63		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
64#define NIG_STATUS_SERDES0_LINK_STATUS \
65		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
66#define NIG_MASK_MI_INT \
67		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
68#define NIG_MASK_XGXS0_LINK10G \
69		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
70#define NIG_MASK_XGXS0_LINK_STATUS \
71		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
72#define NIG_MASK_SERDES0_LINK_STATUS \
73		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
74
75#define MDIO_AN_CL73_OR_37_COMPLETE \
76		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
77		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
78
79#define XGXS_RESET_BITS \
80	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
81	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
82	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
83	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
84	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
85
86#define SERDES_RESET_BITS \
87	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
88	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
89	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
90	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
91
92#define AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
93#define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
94#define AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
95#define AUTONEG_PARALLEL \
96				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
97#define AUTONEG_SGMII_FIBER_AUTODET \
98				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
99#define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
100
101#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
102			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
103#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
104			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
105#define GP_STATUS_SPEED_MASK \
106			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
107#define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
108#define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
109#define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
110#define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
111#define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
112#define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
113#define GP_STATUS_10G_HIG \
114			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
115#define GP_STATUS_10G_CX4 \
116			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
117#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
118#define GP_STATUS_10G_KX4 \
119			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
120#define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
121#define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
122#define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
123#define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
124#define	GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
125#define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
126#define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
127#define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
128#define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
129#define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
130#define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
131#define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
132#define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
133#define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
134#define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
135#define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
136#define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
137#define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
138#define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
139#define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
140
141#define LINK_UPDATE_MASK \
142			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
143			 LINK_STATUS_LINK_UP | \
144			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
145			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
146			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
147			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
148			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
149			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
150			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
151
152#define SFP_EEPROM_CON_TYPE_ADDR		0x2
153	#define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN	0x0
154	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
155	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
156	#define SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22
157
158
159#define SFP_EEPROM_10G_COMP_CODE_ADDR		0x3
160	#define SFP_EEPROM_10G_COMP_CODE_SR_MASK	(1<<4)
161	#define SFP_EEPROM_10G_COMP_CODE_LR_MASK	(1<<5)
162	#define SFP_EEPROM_10G_COMP_CODE_LRM_MASK	(1<<6)
163
164#define SFP_EEPROM_1G_COMP_CODE_ADDR		0x6
165	#define SFP_EEPROM_1G_COMP_CODE_SX	(1<<0)
166	#define SFP_EEPROM_1G_COMP_CODE_LX	(1<<1)
167	#define SFP_EEPROM_1G_COMP_CODE_CX	(1<<2)
168	#define SFP_EEPROM_1G_COMP_CODE_BASE_T	(1<<3)
169
170#define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
171	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
172	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
173
174#define SFP_EEPROM_OPTIONS_ADDR			0x40
175	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
176#define SFP_EEPROM_OPTIONS_SIZE			2
177
178#define EDC_MODE_LINEAR				0x0022
179#define EDC_MODE_LIMITING				0x0044
180#define EDC_MODE_PASSIVE_DAC			0x0055
181#define EDC_MODE_ACTIVE_DAC			0x0066
182
183/* ETS defines*/
184#define DCBX_INVALID_COS					(0xFF)
185
186#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
187#define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
188#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
189#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
190#define ETS_E3B0_PBF_MIN_W_VAL				(10000)
191
192#define MAX_PACKET_SIZE					(9700)
193#define MAX_KR_LINK_RETRY				4
194#define DEFAULT_TX_DRV_BRDCT		2
195#define DEFAULT_TX_DRV_IFIR		0
196#define DEFAULT_TX_DRV_POST2		3
197#define DEFAULT_TX_DRV_IPRE_DRIVER	6
198
199/**********************************************************/
200/*                     INTERFACE                          */
201/**********************************************************/
202
203#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
204	bnx2x_cl45_write(_bp, _phy, \
205		(_phy)->def_md_devad, \
206		(_bank + (_addr & 0xf)), \
207		_val)
208
209#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
210	bnx2x_cl45_read(_bp, _phy, \
211		(_phy)->def_md_devad, \
212		(_bank + (_addr & 0xf)), \
213		_val)
214
215static int bnx2x_check_half_open_conn(struct link_params *params,
216				      struct link_vars *vars, u8 notify);
217static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
218				      struct link_params *params);
219
220static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
221{
222	u32 val = REG_RD(bp, reg);
223
224	val |= bits;
225	REG_WR(bp, reg, val);
226	return val;
227}
228
229static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
230{
231	u32 val = REG_RD(bp, reg);
232
233	val &= ~bits;
234	REG_WR(bp, reg, val);
235	return val;
236}
237
238/*
239 * bnx2x_check_lfa - This function checks if link reinitialization is required,
240 *                   or link flap can be avoided.
241 *
242 * @params:	link parameters
243 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
244 *         condition code.
245 */
246static int bnx2x_check_lfa(struct link_params *params)
247{
248	u32 link_status, cfg_idx, lfa_mask, cfg_size;
249	u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
250	u32 saved_val, req_val, eee_status;
251	struct bnx2x *bp = params->bp;
252
253	additional_config =
254		REG_RD(bp, params->lfa_base +
255			   offsetof(struct shmem_lfa, additional_config));
256
257	/* NOTE: must be first condition checked -
258	* to verify DCC bit is cleared in any case!
259	*/
260	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
261		DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
262		REG_WR(bp, params->lfa_base +
263			   offsetof(struct shmem_lfa, additional_config),
264		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
265		return LFA_DCC_LFA_DISABLED;
266	}
267
268	/* Verify that link is up */
269	link_status = REG_RD(bp, params->shmem_base +
270			     offsetof(struct shmem_region,
271				      port_mb[params->port].link_status));
272	if (!(link_status & LINK_STATUS_LINK_UP))
273		return LFA_LINK_DOWN;
274
275	/* if loaded after BOOT from SAN, don't flap the link in any case and
276	 * rely on link set by preboot driver
277	 */
278	if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
279		return 0;
280
281	/* Verify that loopback mode is not set */
282	if (params->loopback_mode)
283		return LFA_LOOPBACK_ENABLED;
284
285	/* Verify that MFW supports LFA */
286	if (!params->lfa_base)
287		return LFA_MFW_IS_TOO_OLD;
288
289	if (params->num_phys == 3) {
290		cfg_size = 2;
291		lfa_mask = 0xffffffff;
292	} else {
293		cfg_size = 1;
294		lfa_mask = 0xffff;
295	}
296
297	/* Compare Duplex */
298	saved_val = REG_RD(bp, params->lfa_base +
299			   offsetof(struct shmem_lfa, req_duplex));
300	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
301	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
302		DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
303			       (saved_val & lfa_mask), (req_val & lfa_mask));
304		return LFA_DUPLEX_MISMATCH;
305	}
306	/* Compare Flow Control */
307	saved_val = REG_RD(bp, params->lfa_base +
308			   offsetof(struct shmem_lfa, req_flow_ctrl));
309	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
310	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
311		DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
312			       (saved_val & lfa_mask), (req_val & lfa_mask));
313		return LFA_FLOW_CTRL_MISMATCH;
314	}
315	/* Compare Link Speed */
316	saved_val = REG_RD(bp, params->lfa_base +
317			   offsetof(struct shmem_lfa, req_line_speed));
318	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
319	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
320		DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
321			       (saved_val & lfa_mask), (req_val & lfa_mask));
322		return LFA_LINK_SPEED_MISMATCH;
323	}
324
325	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
326		cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
327					    offsetof(struct shmem_lfa,
328						     speed_cap_mask[cfg_idx]));
329
330		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
331			DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
332				       cur_speed_cap_mask,
333				       params->speed_cap_mask[cfg_idx]);
334			return LFA_SPEED_CAP_MISMATCH;
335		}
336	}
337
338	cur_req_fc_auto_adv =
339		REG_RD(bp, params->lfa_base +
340		       offsetof(struct shmem_lfa, additional_config)) &
341		REQ_FC_AUTO_ADV_MASK;
342
343	if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
344		DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
345			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
346		return LFA_FLOW_CTRL_MISMATCH;
347	}
348
349	eee_status = REG_RD(bp, params->shmem2_base +
350			    offsetof(struct shmem2_region,
351				     eee_status[params->port]));
352
353	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
354	     (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
355	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
356	     (params->eee_mode & EEE_MODE_ADV_LPI))) {
357		DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
358			       eee_status);
359		return LFA_EEE_MISMATCH;
360	}
361
362	/* LFA conditions are met */
363	return 0;
364}
365/******************************************************************/
366/*			EPIO/GPIO section			  */
367/******************************************************************/
368static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
369{
370	u32 epio_mask, gp_oenable;
371	*en = 0;
372	/* Sanity check */
373	if (epio_pin > 31) {
374		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
375		return;
376	}
377
378	epio_mask = 1 << epio_pin;
379	/* Set this EPIO to output */
380	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
381	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
382
383	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
384}
385static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
386{
387	u32 epio_mask, gp_output, gp_oenable;
388
389	/* Sanity check */
390	if (epio_pin > 31) {
391		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
392		return;
393	}
394	DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
395	epio_mask = 1 << epio_pin;
396	/* Set this EPIO to output */
397	gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
398	if (en)
399		gp_output |= epio_mask;
400	else
401		gp_output &= ~epio_mask;
402
403	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
404
405	/* Set the value for this EPIO */
406	gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
407	REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
408}
409
410static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
411{
412	if (pin_cfg == PIN_CFG_NA)
413		return;
414	if (pin_cfg >= PIN_CFG_EPIO0) {
415		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
416	} else {
417		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
418		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
419		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
420	}
421}
422
423static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
424{
425	if (pin_cfg == PIN_CFG_NA)
426		return -EINVAL;
427	if (pin_cfg >= PIN_CFG_EPIO0) {
428		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
429	} else {
430		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
431		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
432		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
433	}
434	return 0;
435
436}
437/******************************************************************/
438/*				ETS section			  */
439/******************************************************************/
440static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
441{
442	/* ETS disabled configuration*/
443	struct bnx2x *bp = params->bp;
444
445	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
446
447	/* mapping between entry  priority to client number (0,1,2 -debug and
448	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
449	 * 3bits client num.
450	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
451	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
452	 */
453
454	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
455	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
456	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
457	 * COS0 entry, 4 - COS1 entry.
458	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
459	 * bit4   bit3	  bit2   bit1	  bit0
460	 * MCP and debug are strict
461	 */
462
463	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
464	/* defines which entries (clients) are subjected to WFQ arbitration */
465	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
466	/* For strict priority entries defines the number of consecutive
467	 * slots for the highest priority.
468	 */
469	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
470	/* mapping between the CREDIT_WEIGHT registers and actual client
471	 * numbers
472	 */
473	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
474	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
475	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
476
477	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
478	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
479	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
480	/* ETS mode disable */
481	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
482	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
483	 * weight for COS0/COS1.
484	 */
485	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
486	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
487	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
488	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
489	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
490	/* Defines the number of consecutive slots for the strict priority */
491	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
492}
493/******************************************************************************
494* Description:
495*	Getting min_w_val will be set according to line speed .
496*.
497******************************************************************************/
498static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
499{
500	u32 min_w_val = 0;
501	/* Calculate min_w_val.*/
502	if (vars->link_up) {
503		if (vars->line_speed == SPEED_20000)
504			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
505		else
506			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
507	} else
508		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
509	/* If the link isn't up (static configuration for example ) The
510	 * link will be according to 20GBPS.
511	 */
512	return min_w_val;
513}
514/******************************************************************************
515* Description:
516*	Getting credit upper bound form min_w_val.
517*.
518******************************************************************************/
519static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
520{
521	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
522						MAX_PACKET_SIZE);
523	return credit_upper_bound;
524}
525/******************************************************************************
526* Description:
527*	Set credit upper bound for NIG.
528*.
529******************************************************************************/
530static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
531	const struct link_params *params,
532	const u32 min_w_val)
533{
534	struct bnx2x *bp = params->bp;
535	const u8 port = params->port;
536	const u32 credit_upper_bound =
537	    bnx2x_ets_get_credit_upper_bound(min_w_val);
538
539	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
540		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
541	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
542		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
543	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
544		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
545	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
546		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
547	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
548		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
549	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
550		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
551
552	if (!port) {
553		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
554			credit_upper_bound);
555		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
556			credit_upper_bound);
557		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
558			credit_upper_bound);
559	}
560}
561/******************************************************************************
562* Description:
563*	Will return the NIG ETS registers to init values.Except
564*	credit_upper_bound.
565*	That isn't used in this configuration (No WFQ is enabled) and will be
566*	configured according to spec
567*.
568******************************************************************************/
569static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
570					const struct link_vars *vars)
571{
572	struct bnx2x *bp = params->bp;
573	const u8 port = params->port;
574	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
575	/* Mapping between entry  priority to client number (0,1,2 -debug and
576	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
577	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
578	 * reset value or init tool
579	 */
580	if (port) {
581		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
582		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
583	} else {
584		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
585		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
586	}
587	/* For strict priority entries defines the number of consecutive
588	 * slots for the highest priority.
589	 */
590	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
591		   NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
592	/* Mapping between the CREDIT_WEIGHT registers and actual client
593	 * numbers
594	 */
595	if (port) {
596		/*Port 1 has 6 COS*/
597		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
598		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
599	} else {
600		/*Port 0 has 9 COS*/
601		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
602		       0x43210876);
603		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
604	}
605
606	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
607	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
608	 * COS0 entry, 4 - COS1 entry.
609	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
610	 * bit4   bit3	  bit2   bit1	  bit0
611	 * MCP and debug are strict
612	 */
613	if (port)
614		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
615	else
616		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
617	/* defines which entries (clients) are subjected to WFQ arbitration */
618	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
619		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
620
621	/* Please notice the register address are note continuous and a
622	 * for here is note appropriate.In 2 port mode port0 only COS0-5
623	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
624	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
625	 * are never used for WFQ
626	 */
627	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
628		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
629	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
630		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
631	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
632		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
633	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
634		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
635	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
636		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
637	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
638		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
639	if (!port) {
640		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
641		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
642		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
643	}
644
645	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
646}
647/******************************************************************************
648* Description:
649*	Set credit upper bound for PBF.
650*.
651******************************************************************************/
652static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
653	const struct link_params *params,
654	const u32 min_w_val)
655{
656	struct bnx2x *bp = params->bp;
657	const u32 credit_upper_bound =
658	    bnx2x_ets_get_credit_upper_bound(min_w_val);
659	const u8 port = params->port;
660	u32 base_upper_bound = 0;
661	u8 max_cos = 0;
662	u8 i = 0;
663	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
664	 * port mode port1 has COS0-2 that can be used for WFQ.
665	 */
666	if (!port) {
667		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
668		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
669	} else {
670		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
671		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
672	}
673
674	for (i = 0; i < max_cos; i++)
675		REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
676}
677
678/******************************************************************************
679* Description:
680*	Will return the PBF ETS registers to init values.Except
681*	credit_upper_bound.
682*	That isn't used in this configuration (No WFQ is enabled) and will be
683*	configured according to spec
684*.
685******************************************************************************/
686static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
687{
688	struct bnx2x *bp = params->bp;
689	const u8 port = params->port;
690	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
691	u8 i = 0;
692	u32 base_weight = 0;
693	u8 max_cos = 0;
694
695	/* Mapping between entry  priority to client number 0 - COS0
696	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
697	 * TODO_ETS - Should be done by reset value or init tool
698	 */
699	if (port)
700		/*  0x688 (|011|0 10|00 1|000) */
701		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
702	else
703		/*  (10 1|100 |011|0 10|00 1|000) */
704		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
705
706	/* TODO_ETS - Should be done by reset value or init tool */
707	if (port)
708		/* 0x688 (|011|0 10|00 1|000)*/
709		REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
710	else
711	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
712	REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
713
714	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
715		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
716
717
718	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
719		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
720
721	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
722		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
723	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
724	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
725	 */
726	if (!port) {
727		base_weight = PBF_REG_COS0_WEIGHT_P0;
728		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
729	} else {
730		base_weight = PBF_REG_COS0_WEIGHT_P1;
731		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
732	}
733
734	for (i = 0; i < max_cos; i++)
735		REG_WR(bp, base_weight + (0x4 * i), 0);
736
737	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
738}
739/******************************************************************************
740* Description:
741*	E3B0 disable will return basically the values to init values.
742*.
743******************************************************************************/
744static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
745				   const struct link_vars *vars)
746{
747	struct bnx2x *bp = params->bp;
748
749	if (!CHIP_IS_E3B0(bp)) {
750		DP(NETIF_MSG_LINK,
751		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
752		return -EINVAL;
753	}
754
755	bnx2x_ets_e3b0_nig_disabled(params, vars);
756
757	bnx2x_ets_e3b0_pbf_disabled(params);
758
759	return 0;
760}
761
762/******************************************************************************
763* Description:
764*	Disable will return basically the values to init values.
765*
766******************************************************************************/
767int bnx2x_ets_disabled(struct link_params *params,
768		      struct link_vars *vars)
769{
770	struct bnx2x *bp = params->bp;
771	int bnx2x_status = 0;
772
773	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
774		bnx2x_ets_e2e3a0_disabled(params);
775	else if (CHIP_IS_E3B0(bp))
776		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
777	else {
778		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
779		return -EINVAL;
780	}
781
782	return bnx2x_status;
783}
784
785/******************************************************************************
786* Description
787*	Set the COS mappimg to SP and BW until this point all the COS are not
788*	set as SP or BW.
789******************************************************************************/
790static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
791				  const struct bnx2x_ets_params *ets_params,
792				  const u8 cos_sp_bitmap,
793				  const u8 cos_bw_bitmap)
794{
795	struct bnx2x *bp = params->bp;
796	const u8 port = params->port;
797	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
798	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
799	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
800	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
801
802	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
803	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
804
805	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
806	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
807
808	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
809	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
810	       nig_cli_subject2wfq_bitmap);
811
812	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
813	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
814	       pbf_cli_subject2wfq_bitmap);
815
816	return 0;
817}
818
819/******************************************************************************
820* Description:
821*	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
822*	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
823******************************************************************************/
824static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
825				     const u8 cos_entry,
826				     const u32 min_w_val_nig,
827				     const u32 min_w_val_pbf,
828				     const u16 total_bw,
829				     const u8 bw,
830				     const u8 port)
831{
832	u32 nig_reg_adress_crd_weight = 0;
833	u32 pbf_reg_adress_crd_weight = 0;
834	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
835	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
836	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
837
838	switch (cos_entry) {
839	case 0:
840		nig_reg_adress_crd_weight =
841			(port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
842			NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
843		pbf_reg_adress_crd_weight = (port) ?
844		    PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
845		break;
846	case 1:
847		nig_reg_adress_crd_weight = (port) ?
848			NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
849			NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
850		pbf_reg_adress_crd_weight = (port) ?
851			PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
852		break;
853	case 2:
854		nig_reg_adress_crd_weight = (port) ?
855			NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
856			NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
857
858		pbf_reg_adress_crd_weight = (port) ?
859			PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
860		break;
861	case 3:
862		if (port)
863			return -EINVAL;
864		nig_reg_adress_crd_weight = NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
865		pbf_reg_adress_crd_weight = PBF_REG_COS3_WEIGHT_P0;
866		break;
867	case 4:
868		if (port)
869			return -EINVAL;
870		nig_reg_adress_crd_weight = NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
871		pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
872		break;
873	case 5:
874		if (port)
875			return -EINVAL;
876		nig_reg_adress_crd_weight = NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
877		pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
878		break;
879	}
880
881	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
882
883	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
884
885	return 0;
886}
887/******************************************************************************
888* Description:
889*	Calculate the total BW.A value of 0 isn't legal.
890*
891******************************************************************************/
892static int bnx2x_ets_e3b0_get_total_bw(
893	const struct link_params *params,
894	struct bnx2x_ets_params *ets_params,
895	u16 *total_bw)
896{
897	struct bnx2x *bp = params->bp;
898	u8 cos_idx = 0;
899	u8 is_bw_cos_exist = 0;
900
901	*total_bw = 0 ;
902	/* Calculate total BW requested */
903	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
904		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
905			is_bw_cos_exist = 1;
906			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
907				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
908						   "was set to 0\n");
909				/* This is to prevent a state when ramrods
910				 * can't be sent
911				 */
912				ets_params->cos[cos_idx].params.bw_params.bw
913					 = 1;
914			}
915			*total_bw +=
916				ets_params->cos[cos_idx].params.bw_params.bw;
917		}
918	}
919
920	/* Check total BW is valid */
921	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
922		if (*total_bw == 0) {
923			DP(NETIF_MSG_LINK,
924			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
925			return -EINVAL;
926		}
927		DP(NETIF_MSG_LINK,
928		   "bnx2x_ets_E3B0_config total BW should be 100\n");
929		/* We can handle a case whre the BW isn't 100 this can happen
930		 * if the TC are joined.
931		 */
932	}
933	return 0;
934}
935
936/******************************************************************************
937* Description:
938*	Invalidate all the sp_pri_to_cos.
939*
940******************************************************************************/
941static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
942{
943	u8 pri = 0;
944	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
945		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
946}
947/******************************************************************************
948* Description:
949*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
950*	according to sp_pri_to_cos.
951*
952******************************************************************************/
953static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
954					    u8 *sp_pri_to_cos, const u8 pri,
955					    const u8 cos_entry)
956{
957	struct bnx2x *bp = params->bp;
958	const u8 port = params->port;
959	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
960		DCBX_E3B0_MAX_NUM_COS_PORT0;
961
962	if (pri >= max_num_of_cos) {
963		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
964		   "parameter Illegal strict priority\n");
965		return -EINVAL;
966	}
967
968	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
969		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
970				   "parameter There can't be two COS's with "
971				   "the same strict pri\n");
972		return -EINVAL;
973	}
974
975	sp_pri_to_cos[pri] = cos_entry;
976	return 0;
977
978}
979
980/******************************************************************************
981* Description:
982*	Returns the correct value according to COS and priority in
983*	the sp_pri_cli register.
984*
985******************************************************************************/
986static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
987					 const u8 pri_set,
988					 const u8 pri_offset,
989					 const u8 entry_size)
990{
991	u64 pri_cli_nig = 0;
992	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
993						    (pri_set + pri_offset));
994
995	return pri_cli_nig;
996}
997/******************************************************************************
998* Description:
999*	Returns the correct value according to COS and priority in the
1000*	sp_pri_cli register for NIG.
1001*
1002******************************************************************************/
1003static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1004{
1005	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1006	const u8 nig_cos_offset = 3;
1007	const u8 nig_pri_offset = 3;
1008
1009	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1010		nig_pri_offset, 4);
1011
1012}
1013/******************************************************************************
1014* Description:
1015*	Returns the correct value according to COS and priority in the
1016*	sp_pri_cli register for PBF.
1017*
1018******************************************************************************/
1019static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1020{
1021	const u8 pbf_cos_offset = 0;
1022	const u8 pbf_pri_offset = 0;
1023
1024	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1025		pbf_pri_offset, 3);
1026
1027}
1028
1029/******************************************************************************
1030* Description:
1031*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1032*	according to sp_pri_to_cos.(which COS has higher priority)
1033*
1034******************************************************************************/
1035static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1036					     u8 *sp_pri_to_cos)
1037{
1038	struct bnx2x *bp = params->bp;
1039	u8 i = 0;
1040	const u8 port = params->port;
1041	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1042	u64 pri_cli_nig = 0x210;
1043	u32 pri_cli_pbf = 0x0;
1044	u8 pri_set = 0;
1045	u8 pri_bitmask = 0;
1046	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1047		DCBX_E3B0_MAX_NUM_COS_PORT0;
1048
1049	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1050
1051	/* Set all the strict priority first */
1052	for (i = 0; i < max_num_of_cos; i++) {
1053		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1054			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1055				DP(NETIF_MSG_LINK,
1056					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1057					   "invalid cos entry\n");
1058				return -EINVAL;
1059			}
1060
1061			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1062			    sp_pri_to_cos[i], pri_set);
1063
1064			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1065			    sp_pri_to_cos[i], pri_set);
1066			pri_bitmask = 1 << sp_pri_to_cos[i];
1067			/* COS is used remove it from bitmap.*/
1068			if (!(pri_bitmask & cos_bit_to_set)) {
1069				DP(NETIF_MSG_LINK,
1070					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1071					"invalid There can't be two COS's with"
1072					" the same strict pri\n");
1073				return -EINVAL;
1074			}
1075			cos_bit_to_set &= ~pri_bitmask;
1076			pri_set++;
1077		}
1078	}
1079
1080	/* Set all the Non strict priority i= COS*/
1081	for (i = 0; i < max_num_of_cos; i++) {
1082		pri_bitmask = 1 << i;
1083		/* Check if COS was already used for SP */
1084		if (pri_bitmask & cos_bit_to_set) {
1085			/* COS wasn't used for SP */
1086			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1087			    i, pri_set);
1088
1089			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1090			    i, pri_set);
1091			/* COS is used remove it from bitmap.*/
1092			cos_bit_to_set &= ~pri_bitmask;
1093			pri_set++;
1094		}
1095	}
1096
1097	if (pri_set != max_num_of_cos) {
1098		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1099				   "entries were set\n");
1100		return -EINVAL;
1101	}
1102
1103	if (port) {
1104		/* Only 6 usable clients*/
1105		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1106		       (u32)pri_cli_nig);
1107
1108		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1109	} else {
1110		/* Only 9 usable clients*/
1111		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1112		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1113
1114		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1115		       pri_cli_nig_lsb);
1116		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1117		       pri_cli_nig_msb);
1118
1119		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1120	}
1121	return 0;
1122}
1123
1124/******************************************************************************
1125* Description:
1126*	Configure the COS to ETS according to BW and SP settings.
1127******************************************************************************/
1128int bnx2x_ets_e3b0_config(const struct link_params *params,
1129			 const struct link_vars *vars,
1130			 struct bnx2x_ets_params *ets_params)
1131{
1132	struct bnx2x *bp = params->bp;
1133	int bnx2x_status = 0;
1134	const u8 port = params->port;
1135	u16 total_bw = 0;
1136	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1137	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1138	u8 cos_bw_bitmap = 0;
1139	u8 cos_sp_bitmap = 0;
1140	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1141	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1142		DCBX_E3B0_MAX_NUM_COS_PORT0;
1143	u8 cos_entry = 0;
1144
1145	if (!CHIP_IS_E3B0(bp)) {
1146		DP(NETIF_MSG_LINK,
1147		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1148		return -EINVAL;
1149	}
1150
1151	if ((ets_params->num_of_cos > max_num_of_cos)) {
1152		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1153				   "isn't supported\n");
1154		return -EINVAL;
1155	}
1156
1157	/* Prepare sp strict priority parameters*/
1158	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1159
1160	/* Prepare BW parameters*/
1161	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1162						   &total_bw);
1163	if (bnx2x_status) {
1164		DP(NETIF_MSG_LINK,
1165		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
1166		return -EINVAL;
1167	}
1168
1169	/* Upper bound is set according to current link speed (min_w_val
1170	 * should be the same for upper bound and COS credit val).
1171	 */
1172	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1173	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1174
1175
1176	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1177		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1178			cos_bw_bitmap |= (1 << cos_entry);
1179			/* The function also sets the BW in HW(not the mappin
1180			 * yet)
1181			 */
1182			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1183				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1184				total_bw,
1185				ets_params->cos[cos_entry].params.bw_params.bw,
1186				 port);
1187		} else if (bnx2x_cos_state_strict ==
1188			ets_params->cos[cos_entry].state){
1189			cos_sp_bitmap |= (1 << cos_entry);
1190
1191			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1192				params,
1193				sp_pri_to_cos,
1194				ets_params->cos[cos_entry].params.sp_params.pri,
1195				cos_entry);
1196
1197		} else {
1198			DP(NETIF_MSG_LINK,
1199			   "bnx2x_ets_e3b0_config cos state not valid\n");
1200			return -EINVAL;
1201		}
1202		if (bnx2x_status) {
1203			DP(NETIF_MSG_LINK,
1204			   "bnx2x_ets_e3b0_config set cos bw failed\n");
1205			return bnx2x_status;
1206		}
1207	}
1208
1209	/* Set SP register (which COS has higher priority) */
1210	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1211							 sp_pri_to_cos);
1212
1213	if (bnx2x_status) {
1214		DP(NETIF_MSG_LINK,
1215		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1216		return bnx2x_status;
1217	}
1218
1219	/* Set client mapping of BW and strict */
1220	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1221					      cos_sp_bitmap,
1222					      cos_bw_bitmap);
1223
1224	if (bnx2x_status) {
1225		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1226		return bnx2x_status;
1227	}
1228	return 0;
1229}
1230static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1231{
1232	/* ETS disabled configuration */
1233	struct bnx2x *bp = params->bp;
1234	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1235	/* Defines which entries (clients) are subjected to WFQ arbitration
1236	 * COS0 0x8
1237	 * COS1 0x10
1238	 */
1239	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1240	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1241	 * client numbers (WEIGHT_0 does not actually have to represent
1242	 * client 0)
1243	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1244	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1245	 */
1246	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1247
1248	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1249	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1250	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1251	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1252
1253	/* ETS mode enabled*/
1254	REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1255
1256	/* Defines the number of consecutive slots for the strict priority */
1257	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1258	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1259	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1260	 * entry, 4 - COS1 entry.
1261	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1262	 * bit4   bit3	  bit2     bit1	   bit0
1263	 * MCP and debug are strict
1264	 */
1265	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1266
1267	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1268	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1269	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1270	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1271	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1272}
1273
1274void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1275			const u32 cos1_bw)
1276{
1277	/* ETS disabled configuration*/
1278	struct bnx2x *bp = params->bp;
1279	const u32 total_bw = cos0_bw + cos1_bw;
1280	u32 cos0_credit_weight = 0;
1281	u32 cos1_credit_weight = 0;
1282
1283	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1284
1285	if ((!total_bw) ||
1286	    (!cos0_bw) ||
1287	    (!cos1_bw)) {
1288		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1289		return;
1290	}
1291
1292	cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1293		total_bw;
1294	cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1295		total_bw;
1296
1297	bnx2x_ets_bw_limit_common(params);
1298
1299	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1300	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1301
1302	REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1303	REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1304}
1305
1306int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1307{
1308	/* ETS disabled configuration*/
1309	struct bnx2x *bp = params->bp;
1310	u32 val	= 0;
1311
1312	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1313	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1314	 * as strict.  Bits 0,1,2 - debug and management entries,
1315	 * 3 - COS0 entry, 4 - COS1 entry.
1316	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1317	 *  bit4   bit3	  bit2      bit1     bit0
1318	 * MCP and debug are strict
1319	 */
1320	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1321	/* For strict priority entries defines the number of consecutive slots
1322	 * for the highest priority.
1323	 */
1324	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1325	/* ETS mode disable */
1326	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1327	/* Defines the number of consecutive slots for the strict priority */
1328	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1329
1330	/* Defines the number of consecutive slots for the strict priority */
1331	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1332
1333	/* Mapping between entry  priority to client number (0,1,2 -debug and
1334	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1335	 * 3bits client num.
1336	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1337	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1338	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1339	 */
1340	val = (!strict_cos) ? 0x2318 : 0x22E0;
1341	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1342
1343	return 0;
1344}
1345
1346/******************************************************************/
1347/*			PFC section				  */
1348/******************************************************************/
1349static void bnx2x_update_pfc_xmac(struct link_params *params,
1350				  struct link_vars *vars,
1351				  u8 is_lb)
1352{
1353	struct bnx2x *bp = params->bp;
1354	u32 xmac_base;
1355	u32 pause_val, pfc0_val, pfc1_val;
1356
1357	/* XMAC base adrr */
1358	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1359
1360	/* Initialize pause and pfc registers */
1361	pause_val = 0x18000;
1362	pfc0_val = 0xFFFF8000;
1363	pfc1_val = 0x2;
1364
1365	/* No PFC support */
1366	if (!(params->feature_config_flags &
1367	      FEATURE_CONFIG_PFC_ENABLED)) {
1368
1369		/* RX flow control - Process pause frame in receive direction
1370		 */
1371		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1372			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1373
1374		/* TX flow control - Send pause packet when buffer is full */
1375		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1376			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1377	} else {/* PFC support */
1378		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1379			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1380			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1381			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1382			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1383		/* Write pause and PFC registers */
1384		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1385		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1386		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1387		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1388
1389	}
1390
1391	/* Write pause and PFC registers */
1392	REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1393	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1394	REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1395
1396
1397	/* Set MAC address for source TX Pause/PFC frames */
1398	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1399	       ((params->mac_addr[2] << 24) |
1400		(params->mac_addr[3] << 16) |
1401		(params->mac_addr[4] << 8) |
1402		(params->mac_addr[5])));
1403	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1404	       ((params->mac_addr[0] << 8) |
1405		(params->mac_addr[1])));
1406
1407	udelay(30);
1408}
1409
1410/******************************************************************/
1411/*			MAC/PBF section				  */
1412/******************************************************************/
1413static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1414			       u32 emac_base)
1415{
1416	u32 new_mode, cur_mode;
1417	u32 clc_cnt;
1418	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1419	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1420	 */
1421	cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1422
1423	if (USES_WARPCORE(bp))
1424		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1425	else
1426		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1427
1428	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1429	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1430		return;
1431
1432	new_mode = cur_mode &
1433		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1434	new_mode |= clc_cnt;
1435	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1436
1437	DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1438	   cur_mode, new_mode);
1439	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1440	udelay(40);
1441}
1442
1443static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1444					struct link_params *params)
1445{
1446	u8 phy_index;
1447	/* Set mdio clock per phy */
1448	for (phy_index = INT_PHY; phy_index < params->num_phys;
1449	      phy_index++)
1450		bnx2x_set_mdio_clk(bp, params->chip_id,
1451				   params->phy[phy_index].mdio_ctrl);
1452}
1453
1454static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1455{
1456	u32 port4mode_ovwr_val;
1457	/* Check 4-port override enabled */
1458	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1459	if (port4mode_ovwr_val & (1<<0)) {
1460		/* Return 4-port mode override value */
1461		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1462	}
1463	/* Return 4-port mode from input pin */
1464	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1465}
1466
1467static void bnx2x_emac_init(struct link_params *params,
1468			    struct link_vars *vars)
1469{
1470	/* reset and unreset the emac core */
1471	struct bnx2x *bp = params->bp;
1472	u8 port = params->port;
1473	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1474	u32 val;
1475	u16 timeout;
1476
1477	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1478	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1479	udelay(5);
1480	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1481	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1482
1483	/* init emac - use read-modify-write */
1484	/* self clear reset */
1485	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1486	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1487
1488	timeout = 200;
1489	do {
1490		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1491		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1492		if (!timeout) {
1493			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1494			return;
1495		}
1496		timeout--;
1497	} while (val & EMAC_MODE_RESET);
1498
1499	bnx2x_set_mdio_emac_per_phy(bp, params);
1500	/* Set mac address */
1501	val = ((params->mac_addr[0] << 8) |
1502		params->mac_addr[1]);
1503	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1504
1505	val = ((params->mac_addr[2] << 24) |
1506	       (params->mac_addr[3] << 16) |
1507	       (params->mac_addr[4] << 8) |
1508		params->mac_addr[5]);
1509	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1510}
1511
1512static void bnx2x_set_xumac_nig(struct link_params *params,
1513				u16 tx_pause_en,
1514				u8 enable)
1515{
1516	struct bnx2x *bp = params->bp;
1517
1518	REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1519	       enable);
1520	REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1521	       enable);
1522	REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1523	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1524}
1525
1526static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1527{
1528	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1529	u32 val;
1530	struct bnx2x *bp = params->bp;
1531	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1532		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1533		return;
1534	val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1535	if (en)
1536		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1537			UMAC_COMMAND_CONFIG_REG_RX_ENA);
1538	else
1539		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1540			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1541	/* Disable RX and TX */
1542	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1543}
1544
1545static void bnx2x_umac_enable(struct link_params *params,
1546			    struct link_vars *vars, u8 lb)
1547{
1548	u32 val;
1549	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1550	struct bnx2x *bp = params->bp;
1551	/* Reset UMAC */
1552	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1553	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1554	usleep_range(1000, 2000);
1555
1556	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1557	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1558
1559	DP(NETIF_MSG_LINK, "enabling UMAC\n");
1560
1561	/* This register opens the gate for the UMAC despite its name */
1562	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1563
1564	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1565		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1566		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1567		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1568	switch (vars->line_speed) {
1569	case SPEED_10:
1570		val |= (0<<2);
1571		break;
1572	case SPEED_100:
1573		val |= (1<<2);
1574		break;
1575	case SPEED_1000:
1576		val |= (2<<2);
1577		break;
1578	case SPEED_2500:
1579		val |= (3<<2);
1580		break;
1581	default:
1582		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1583			       vars->line_speed);
1584		break;
1585	}
1586	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1587		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1588
1589	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1590		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1591
1592	if (vars->duplex == DUPLEX_HALF)
1593		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1594
1595	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1596	udelay(50);
1597
1598	/* Configure UMAC for EEE */
1599	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1600		DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1601		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1602		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1603		REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1604	} else {
1605		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1606	}
1607
1608	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1609	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1610	       ((params->mac_addr[2] << 24) |
1611		(params->mac_addr[3] << 16) |
1612		(params->mac_addr[4] << 8) |
1613		(params->mac_addr[5])));
1614	REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1615	       ((params->mac_addr[0] << 8) |
1616		(params->mac_addr[1])));
1617
1618	/* Enable RX and TX */
1619	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1620	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1621		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1622	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1623	udelay(50);
1624
1625	/* Remove SW Reset */
1626	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1627
1628	/* Check loopback mode */
1629	if (lb)
1630		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1631	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1632
1633	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1634	 * length used by the MAC receive logic to check frames.
1635	 */
1636	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1637	bnx2x_set_xumac_nig(params,
1638			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1639	vars->mac_type = MAC_TYPE_UMAC;
1640
1641}
1642
1643/* Define the XMAC mode */
1644static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1645{
1646	struct bnx2x *bp = params->bp;
1647	u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1648
1649	/* In 4-port mode, need to set the mode only once, so if XMAC is
1650	 * already out of reset, it means the mode has already been set,
1651	 * and it must not* reset the XMAC again, since it controls both
1652	 * ports of the path
1653	 */
1654
1655	if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1656	     (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1657	     (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1658	    is_port4mode &&
1659	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1660	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1661		DP(NETIF_MSG_LINK,
1662		   "XMAC already out of reset in 4-port mode\n");
1663		return;
1664	}
1665
1666	/* Hard reset */
1667	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1668	       MISC_REGISTERS_RESET_REG_2_XMAC);
1669	usleep_range(1000, 2000);
1670
1671	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1672	       MISC_REGISTERS_RESET_REG_2_XMAC);
1673	if (is_port4mode) {
1674		DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1675
1676		/* Set the number of ports on the system side to up to 2 */
1677		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1678
1679		/* Set the number of ports on the Warp Core to 10G */
1680		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1681	} else {
1682		/* Set the number of ports on the system side to 1 */
1683		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1684		if (max_speed == SPEED_10000) {
1685			DP(NETIF_MSG_LINK,
1686			   "Init XMAC to 10G x 1 port per path\n");
1687			/* Set the number of ports on the Warp Core to 10G */
1688			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1689		} else {
1690			DP(NETIF_MSG_LINK,
1691			   "Init XMAC to 20G x 2 ports per path\n");
1692			/* Set the number of ports on the Warp Core to 20G */
1693			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1694		}
1695	}
1696	/* Soft reset */
1697	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1698	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1699	usleep_range(1000, 2000);
1700
1701	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1702	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1703
1704}
1705
1706static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1707{
1708	u8 port = params->port;
1709	struct bnx2x *bp = params->bp;
1710	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1711	u32 val;
1712
1713	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1714	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1715		/* Send an indication to change the state in the NIG back to XON
1716		 * Clearing this bit enables the next set of this bit to get
1717		 * rising edge
1718		 */
1719		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1720		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1721		       (pfc_ctrl & ~(1<<1)));
1722		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1723		       (pfc_ctrl | (1<<1)));
1724		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1725		val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1726		if (en)
1727			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1728		else
1729			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1730		REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1731	}
1732}
1733
1734static int bnx2x_xmac_enable(struct link_params *params,
1735			     struct link_vars *vars, u8 lb)
1736{
1737	u32 val, xmac_base;
1738	struct bnx2x *bp = params->bp;
1739	DP(NETIF_MSG_LINK, "enabling XMAC\n");
1740
1741	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1742
1743	bnx2x_xmac_init(params, vars->line_speed);
1744
1745	/* This register determines on which events the MAC will assert
1746	 * error on the i/f to the NIG along w/ EOP.
1747	 */
1748
1749	/* This register tells the NIG whether to send traffic to UMAC
1750	 * or XMAC
1751	 */
1752	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1753
1754	/* When XMAC is in XLGMII mode, disable sending idles for fault
1755	 * detection.
1756	 */
1757	if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1758		REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1759		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1760			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1761		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1762		REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1763		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1764		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1765	}
1766	/* Set Max packet size */
1767	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1768
1769	/* CRC append for Tx packets */
1770	REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1771
1772	/* update PFC */
1773	bnx2x_update_pfc_xmac(params, vars, 0);
1774
1775	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1776		DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1777		REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1778		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1779	} else {
1780		REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1781	}
1782
1783	/* Enable TX and RX */
1784	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1785
1786	/* Set MAC in XLGMII mode for dual-mode */
1787	if ((vars->line_speed == SPEED_20000) &&
1788	    (params->phy[INT_PHY].supported &
1789	     SUPPORTED_20000baseKR2_Full))
1790		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1791
1792	/* Check loopback mode */
1793	if (lb)
1794		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1795	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1796	bnx2x_set_xumac_nig(params,
1797			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1798
1799	vars->mac_type = MAC_TYPE_XMAC;
1800
1801	return 0;
1802}
1803
1804static int bnx2x_emac_enable(struct link_params *params,
1805			     struct link_vars *vars, u8 lb)
1806{
1807	struct bnx2x *bp = params->bp;
1808	u8 port = params->port;
1809	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1810	u32 val;
1811
1812	DP(NETIF_MSG_LINK, "enabling EMAC\n");
1813
1814	/* Disable BMAC */
1815	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1816	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1817
1818	/* enable emac and not bmac */
1819	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1820
1821	/* ASIC */
1822	if (vars->phy_flags & PHY_XGXS_FLAG) {
1823		u32 ser_lane = ((params->lane_config &
1824				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1825				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1826
1827		DP(NETIF_MSG_LINK, "XGXS\n");
1828		/* select the master lanes (out of 0-3) */
1829		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1830		/* select XGXS */
1831		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1832
1833	} else { /* SerDes */
1834		DP(NETIF_MSG_LINK, "SerDes\n");
1835		/* select SerDes */
1836		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1837	}
1838
1839	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1840		      EMAC_RX_MODE_RESET);
1841	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1842		      EMAC_TX_MODE_RESET);
1843
1844	/* pause enable/disable */
1845	bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1846		       EMAC_RX_MODE_FLOW_EN);
1847
1848	bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1849		       (EMAC_TX_MODE_EXT_PAUSE_EN |
1850			EMAC_TX_MODE_FLOW_EN));
1851	if (!(params->feature_config_flags &
1852	      FEATURE_CONFIG_PFC_ENABLED)) {
1853		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1854			bnx2x_bits_en(bp, emac_base +
1855				      EMAC_REG_EMAC_RX_MODE,
1856				      EMAC_RX_MODE_FLOW_EN);
1857
1858		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1859			bnx2x_bits_en(bp, emac_base +
1860				      EMAC_REG_EMAC_TX_MODE,
1861				      (EMAC_TX_MODE_EXT_PAUSE_EN |
1862				       EMAC_TX_MODE_FLOW_EN));
1863	} else
1864		bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1865			      EMAC_TX_MODE_FLOW_EN);
1866
1867	/* KEEP_VLAN_TAG, promiscuous */
1868	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1869	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1870
1871	/* Setting this bit causes MAC control frames (except for pause
1872	 * frames) to be passed on for processing. This setting has no
1873	 * affect on the operation of the pause frames. This bit effects
1874	 * all packets regardless of RX Parser packet sorting logic.
1875	 * Turn the PFC off to make sure we are in Xon state before
1876	 * enabling it.
1877	 */
1878	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1879	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1880		DP(NETIF_MSG_LINK, "PFC is enabled\n");
1881		/* Enable PFC again */
1882		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1883			EMAC_REG_RX_PFC_MODE_RX_EN |
1884			EMAC_REG_RX_PFC_MODE_TX_EN |
1885			EMAC_REG_RX_PFC_MODE_PRIORITIES);
1886
1887		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1888			((0x0101 <<
1889			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1890			 (0x00ff <<
1891			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1892		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1893	}
1894	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1895
1896	/* Set Loopback */
1897	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1898	if (lb)
1899		val |= 0x810;
1900	else
1901		val &= ~0x810;
1902	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1903
1904	/* Enable emac */
1905	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1906
1907	/* Enable emac for jumbo packets */
1908	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1909		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
1910		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD)));
1911
1912	/* Strip CRC */
1913	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1914
1915	/* Disable the NIG in/out to the bmac */
1916	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1917	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1918	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1919
1920	/* Enable the NIG in/out to the emac */
1921	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1922	val = 0;
1923	if ((params->feature_config_flags &
1924	      FEATURE_CONFIG_PFC_ENABLED) ||
1925	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1926		val = 1;
1927
1928	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1929	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1930
1931	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1932
1933	vars->mac_type = MAC_TYPE_EMAC;
1934	return 0;
1935}
1936
1937static void bnx2x_update_pfc_bmac1(struct link_params *params,
1938				   struct link_vars *vars)
1939{
1940	u32 wb_data[2];
1941	struct bnx2x *bp = params->bp;
1942	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1943		NIG_REG_INGRESS_BMAC0_MEM;
1944
1945	u32 val = 0x14;
1946	if ((!(params->feature_config_flags &
1947	      FEATURE_CONFIG_PFC_ENABLED)) &&
1948		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1949		/* Enable BigMAC to react on received Pause packets */
1950		val |= (1<<5);
1951	wb_data[0] = val;
1952	wb_data[1] = 0;
1953	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1954
1955	/* TX control */
1956	val = 0xc0;
1957	if (!(params->feature_config_flags &
1958	      FEATURE_CONFIG_PFC_ENABLED) &&
1959		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1960		val |= 0x800000;
1961	wb_data[0] = val;
1962	wb_data[1] = 0;
1963	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1964}
1965
1966static void bnx2x_update_pfc_bmac2(struct link_params *params,
1967				   struct link_vars *vars,
1968				   u8 is_lb)
1969{
1970	/* Set rx control: Strip CRC and enable BigMAC to relay
1971	 * control packets to the system as well
1972	 */
1973	u32 wb_data[2];
1974	struct bnx2x *bp = params->bp;
1975	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1976		NIG_REG_INGRESS_BMAC0_MEM;
1977	u32 val = 0x14;
1978
1979	if ((!(params->feature_config_flags &
1980	      FEATURE_CONFIG_PFC_ENABLED)) &&
1981		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1982		/* Enable BigMAC to react on received Pause packets */
1983		val |= (1<<5);
1984	wb_data[0] = val;
1985	wb_data[1] = 0;
1986	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1987	udelay(30);
1988
1989	/* Tx control */
1990	val = 0xc0;
1991	if (!(params->feature_config_flags &
1992				FEATURE_CONFIG_PFC_ENABLED) &&
1993	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1994		val |= 0x800000;
1995	wb_data[0] = val;
1996	wb_data[1] = 0;
1997	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
1998
1999	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2000		DP(NETIF_MSG_LINK, "PFC is enabled\n");
2001		/* Enable PFC RX & TX & STATS and set 8 COS  */
2002		wb_data[0] = 0x0;
2003		wb_data[0] |= (1<<0);  /* RX */
2004		wb_data[0] |= (1<<1);  /* TX */
2005		wb_data[0] |= (1<<2);  /* Force initial Xon */
2006		wb_data[0] |= (1<<3);  /* 8 cos */
2007		wb_data[0] |= (1<<5);  /* STATS */
2008		wb_data[1] = 0;
2009		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2010			    wb_data, 2);
2011		/* Clear the force Xon */
2012		wb_data[0] &= ~(1<<2);
2013	} else {
2014		DP(NETIF_MSG_LINK, "PFC is disabled\n");
2015		/* Disable PFC RX & TX & STATS and set 8 COS */
2016		wb_data[0] = 0x8;
2017		wb_data[1] = 0;
2018	}
2019
2020	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2021
2022	/* Set Time (based unit is 512 bit time) between automatic
2023	 * re-sending of PP packets amd enable automatic re-send of
2024	 * Per-Priroity Packet as long as pp_gen is asserted and
2025	 * pp_disable is low.
2026	 */
2027	val = 0x8000;
2028	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2029		val |= (1<<16); /* enable automatic re-send */
2030
2031	wb_data[0] = val;
2032	wb_data[1] = 0;
2033	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2034		    wb_data, 2);
2035
2036	/* mac control */
2037	val = 0x3; /* Enable RX and TX */
2038	if (is_lb) {
2039		val |= 0x4; /* Local loopback */
2040		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2041	}
2042	/* When PFC enabled, Pass pause frames towards the NIG. */
2043	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2044		val |= ((1<<6)|(1<<5));
2045
2046	wb_data[0] = val;
2047	wb_data[1] = 0;
2048	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2049}
2050
2051/******************************************************************************
2052* Description:
2053*  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2054*  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2055******************************************************************************/
2056static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2057					   u8 cos_entry,
2058					   u32 priority_mask, u8 port)
2059{
2060	u32 nig_reg_rx_priority_mask_add = 0;
2061
2062	switch (cos_entry) {
2063	case 0:
2064	     nig_reg_rx_priority_mask_add = (port) ?
2065		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2066		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2067	     break;
2068	case 1:
2069	    nig_reg_rx_priority_mask_add = (port) ?
2070		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2071		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2072	    break;
2073	case 2:
2074	    nig_reg_rx_priority_mask_add = (port) ?
2075		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2076		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2077	    break;
2078	case 3:
2079	    if (port)
2080		return -EINVAL;
2081	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2082	    break;
2083	case 4:
2084	    if (port)
2085		return -EINVAL;
2086	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2087	    break;
2088	case 5:
2089	    if (port)
2090		return -EINVAL;
2091	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2092	    break;
2093	}
2094
2095	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2096
2097	return 0;
2098}
2099static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2100{
2101	struct bnx2x *bp = params->bp;
2102
2103	REG_WR(bp, params->shmem_base +
2104	       offsetof(struct shmem_region,
2105			port_mb[params->port].link_status), link_status);
2106}
2107
2108static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2109{
2110	struct bnx2x *bp = params->bp;
2111
2112	if (SHMEM2_HAS(bp, link_attr_sync))
2113		REG_WR(bp, params->shmem2_base +
2114		       offsetof(struct shmem2_region,
2115				link_attr_sync[params->port]), link_attr);
2116}
2117
2118static void bnx2x_update_pfc_nig(struct link_params *params,
2119		struct link_vars *vars,
2120		struct bnx2x_nig_brb_pfc_port_params *nig_params)
2121{
2122	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2123	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2124	u32 pkt_priority_to_cos = 0;
2125	struct bnx2x *bp = params->bp;
2126	u8 port = params->port;
2127
2128	int set_pfc = params->feature_config_flags &
2129		FEATURE_CONFIG_PFC_ENABLED;
2130	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2131
2132	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2133	 * MAC control frames (that are not pause packets)
2134	 * will be forwarded to the XCM.
2135	 */
2136	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2137			  NIG_REG_LLH0_XCM_MASK);
2138	/* NIG params will override non PFC params, since it's possible to
2139	 * do transition from PFC to SAFC
2140	 */
2141	if (set_pfc) {
2142		pause_enable = 0;
2143		llfc_out_en = 0;
2144		llfc_enable = 0;
2145		if (CHIP_IS_E3(bp))
2146			ppp_enable = 0;
2147		else
2148			ppp_enable = 1;
2149		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2150				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2151		xcm_out_en = 0;
2152		hwpfc_enable = 1;
2153	} else  {
2154		if (nig_params) {
2155			llfc_out_en = nig_params->llfc_out_en;
2156			llfc_enable = nig_params->llfc_enable;
2157			pause_enable = nig_params->pause_enable;
2158		} else  /* Default non PFC mode - PAUSE */
2159			pause_enable = 1;
2160
2161		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2162			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2163		xcm_out_en = 1;
2164	}
2165
2166	if (CHIP_IS_E3(bp))
2167		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2168		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2169	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2170	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2171	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2172	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2173	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2174	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2175
2176	REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2177	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2178
2179	REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2180	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2181
2182	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2183	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2184
2185	/* Output enable for RX_XCM # IF */
2186	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2187	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2188
2189	/* HW PFC TX enable */
2190	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2191	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2192
2193	if (nig_params) {
2194		u8 i = 0;
2195		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2196
2197		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2198			bnx2x_pfc_nig_rx_priority_mask(bp, i,
2199		nig_params->rx_cos_priority_mask[i], port);
2200
2201		REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2202		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2203		       nig_params->llfc_high_priority_classes);
2204
2205		REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2206		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2207		       nig_params->llfc_low_priority_classes);
2208	}
2209	REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2210	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2211	       pkt_priority_to_cos);
2212}
2213
2214int bnx2x_update_pfc(struct link_params *params,
2215		      struct link_vars *vars,
2216		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2217{
2218	/* The PFC and pause are orthogonal to one another, meaning when
2219	 * PFC is enabled, the pause are disabled, and when PFC is
2220	 * disabled, pause are set according to the pause result.
2221	 */
2222	u32 val;
2223	struct bnx2x *bp = params->bp;
2224	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2225
2226	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2227		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2228	else
2229		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2230
2231	bnx2x_update_mng(params, vars->link_status);
2232
2233	/* Update NIG params */
2234	bnx2x_update_pfc_nig(params, vars, pfc_params);
2235
2236	if (!vars->link_up)
2237		return 0;
2238
2239	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2240
2241	if (CHIP_IS_E3(bp)) {
2242		if (vars->mac_type == MAC_TYPE_XMAC)
2243			bnx2x_update_pfc_xmac(params, vars, 0);
2244	} else {
2245		val = REG_RD(bp, MISC_REG_RESET_REG_2);
2246		if ((val &
2247		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2248		    == 0) {
2249			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2250			bnx2x_emac_enable(params, vars, 0);
2251			return 0;
2252		}
2253		if (CHIP_IS_E2(bp))
2254			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2255		else
2256			bnx2x_update_pfc_bmac1(params, vars);
2257
2258		val = 0;
2259		if ((params->feature_config_flags &
2260		     FEATURE_CONFIG_PFC_ENABLED) ||
2261		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2262			val = 1;
2263		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2264	}
2265	return 0;
2266}
2267
2268static int bnx2x_bmac1_enable(struct link_params *params,
2269			      struct link_vars *vars,
2270			      u8 is_lb)
2271{
2272	struct bnx2x *bp = params->bp;
2273	u8 port = params->port;
2274	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2275			       NIG_REG_INGRESS_BMAC0_MEM;
2276	u32 wb_data[2];
2277	u32 val;
2278
2279	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2280
2281	/* XGXS control */
2282	wb_data[0] = 0x3c;
2283	wb_data[1] = 0;
2284	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2285		    wb_data, 2);
2286
2287	/* TX MAC SA */
2288	wb_data[0] = ((params->mac_addr[2] << 24) |
2289		       (params->mac_addr[3] << 16) |
2290		       (params->mac_addr[4] << 8) |
2291			params->mac_addr[5]);
2292	wb_data[1] = ((params->mac_addr[0] << 8) |
2293			params->mac_addr[1]);
2294	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2295
2296	/* MAC control */
2297	val = 0x3;
2298	if (is_lb) {
2299		val |= 0x4;
2300		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2301	}
2302	wb_data[0] = val;
2303	wb_data[1] = 0;
2304	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2305
2306	/* Set rx mtu */
2307	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2308	wb_data[1] = 0;
2309	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2310
2311	bnx2x_update_pfc_bmac1(params, vars);
2312
2313	/* Set tx mtu */
2314	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2315	wb_data[1] = 0;
2316	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2317
2318	/* Set cnt max size */
2319	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2320	wb_data[1] = 0;
2321	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2322
2323	/* Configure SAFC */
2324	wb_data[0] = 0x1000200;
2325	wb_data[1] = 0;
2326	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2327		    wb_data, 2);
2328
2329	return 0;
2330}
2331
2332static int bnx2x_bmac2_enable(struct link_params *params,
2333			      struct link_vars *vars,
2334			      u8 is_lb)
2335{
2336	struct bnx2x *bp = params->bp;
2337	u8 port = params->port;
2338	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2339			       NIG_REG_INGRESS_BMAC0_MEM;
2340	u32 wb_data[2];
2341
2342	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2343
2344	wb_data[0] = 0;
2345	wb_data[1] = 0;
2346	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2347	udelay(30);
2348
2349	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2350	wb_data[0] = 0x3c;
2351	wb_data[1] = 0;
2352	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2353		    wb_data, 2);
2354
2355	udelay(30);
2356
2357	/* TX MAC SA */
2358	wb_data[0] = ((params->mac_addr[2] << 24) |
2359		       (params->mac_addr[3] << 16) |
2360		       (params->mac_addr[4] << 8) |
2361			params->mac_addr[5]);
2362	wb_data[1] = ((params->mac_addr[0] << 8) |
2363			params->mac_addr[1]);
2364	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2365		    wb_data, 2);
2366
2367	udelay(30);
2368
2369	/* Configure SAFC */
2370	wb_data[0] = 0x1000200;
2371	wb_data[1] = 0;
2372	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2373		    wb_data, 2);
2374	udelay(30);
2375
2376	/* Set RX MTU */
2377	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2378	wb_data[1] = 0;
2379	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2380	udelay(30);
2381
2382	/* Set TX MTU */
2383	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2384	wb_data[1] = 0;
2385	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2386	udelay(30);
2387	/* Set cnt max size */
2388	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD - 2;
2389	wb_data[1] = 0;
2390	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2391	udelay(30);
2392	bnx2x_update_pfc_bmac2(params, vars, is_lb);
2393
2394	return 0;
2395}
2396
2397static int bnx2x_bmac_enable(struct link_params *params,
2398			     struct link_vars *vars,
2399			     u8 is_lb, u8 reset_bmac)
2400{
2401	int rc = 0;
2402	u8 port = params->port;
2403	struct bnx2x *bp = params->bp;
2404	u32 val;
2405	/* Reset and unreset the BigMac */
2406	if (reset_bmac) {
2407		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2408		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2409		usleep_range(1000, 2000);
2410	}
2411
2412	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2413	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2414
2415	/* Enable access for bmac registers */
2416	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2417
2418	/* Enable BMAC according to BMAC type*/
2419	if (CHIP_IS_E2(bp))
2420		rc = bnx2x_bmac2_enable(params, vars, is_lb);
2421	else
2422		rc = bnx2x_bmac1_enable(params, vars, is_lb);
2423	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2424	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2425	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2426	val = 0;
2427	if ((params->feature_config_flags &
2428	      FEATURE_CONFIG_PFC_ENABLED) ||
2429	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2430		val = 1;
2431	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2432	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2433	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2434	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2435	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2436	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2437
2438	vars->mac_type = MAC_TYPE_BMAC;
2439	return rc;
2440}
2441
2442static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2443{
2444	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2445			NIG_REG_INGRESS_BMAC0_MEM;
2446	u32 wb_data[2];
2447	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2448
2449	if (CHIP_IS_E2(bp))
2450		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2451	else
2452		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2453	/* Only if the bmac is out of reset */
2454	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2455			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2456	    nig_bmac_enable) {
2457		/* Clear Rx Enable bit in BMAC_CONTROL register */
2458		REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2459		if (en)
2460			wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2461		else
2462			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2463		REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2464		usleep_range(1000, 2000);
2465	}
2466}
2467
2468static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2469			    u32 line_speed)
2470{
2471	struct bnx2x *bp = params->bp;
2472	u8 port = params->port;
2473	u32 init_crd, crd;
2474	u32 count = 1000;
2475
2476	/* Disable port */
2477	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2478
2479	/* Wait for init credit */
2480	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2481	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2482	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2483
2484	while ((init_crd != crd) && count) {
2485		usleep_range(5000, 10000);
2486		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2487		count--;
2488	}
2489	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2490	if (init_crd != crd) {
2491		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2492			  init_crd, crd);
2493		return -EINVAL;
2494	}
2495
2496	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2497	    line_speed == SPEED_10 ||
2498	    line_speed == SPEED_100 ||
2499	    line_speed == SPEED_1000 ||
2500	    line_speed == SPEED_2500) {
2501		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2502		/* Update threshold */
2503		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2504		/* Update init credit */
2505		init_crd = 778;		/* (800-18-4) */
2506
2507	} else {
2508		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2509			      ETH_OVERHEAD)/16;
2510		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2511		/* Update threshold */
2512		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2513		/* Update init credit */
2514		switch (line_speed) {
2515		case SPEED_10000:
2516			init_crd = thresh + 553 - 22;
2517			break;
2518		default:
2519			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2520				  line_speed);
2521			return -EINVAL;
2522		}
2523	}
2524	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2525	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2526		 line_speed, init_crd);
2527
2528	/* Probe the credit changes */
2529	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2530	usleep_range(5000, 10000);
2531	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2532
2533	/* Enable port */
2534	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2535	return 0;
2536}
2537
2538/**
2539 * bnx2x_get_emac_base - retrive emac base address
2540 *
2541 * @bp:			driver handle
2542 * @mdc_mdio_access:	access type
2543 * @port:		port id
2544 *
2545 * This function selects the MDC/MDIO access (through emac0 or
2546 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2547 * phy has a default access mode, which could also be overridden
2548 * by nvram configuration. This parameter, whether this is the
2549 * default phy configuration, or the nvram overrun
2550 * configuration, is passed here as mdc_mdio_access and selects
2551 * the emac_base for the CL45 read/writes operations
2552 */
2553static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2554			       u32 mdc_mdio_access, u8 port)
2555{
2556	u32 emac_base = 0;
2557	switch (mdc_mdio_access) {
2558	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2559		break;
2560	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2561		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2562			emac_base = GRCBASE_EMAC1;
2563		else
2564			emac_base = GRCBASE_EMAC0;
2565		break;
2566	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2567		if (REG_RD(bp, NIG_REG_PORT_SWAP))
2568			emac_base = GRCBASE_EMAC0;
2569		else
2570			emac_base = GRCBASE_EMAC1;
2571		break;
2572	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2573		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2574		break;
2575	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2576		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2577		break;
2578	default:
2579		break;
2580	}
2581	return emac_base;
2582
2583}
2584
2585/******************************************************************/
2586/*			CL22 access functions			  */
2587/******************************************************************/
2588static int bnx2x_cl22_write(struct bnx2x *bp,
2589				       struct bnx2x_phy *phy,
2590				       u16 reg, u16 val)
2591{
2592	u32 tmp, mode;
2593	u8 i;
2594	int rc = 0;
2595	/* Switch to CL22 */
2596	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2597	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2598	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2599
2600	/* Address */
2601	tmp = ((phy->addr << 21) | (reg << 16) | val |
2602	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2603	       EMAC_MDIO_COMM_START_BUSY);
2604	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2605
2606	for (i = 0; i < 50; i++) {
2607		udelay(10);
2608
2609		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2610		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2611			udelay(5);
2612			break;
2613		}
2614	}
2615	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2616		DP(NETIF_MSG_LINK, "write phy register failed\n");
2617		rc = -EFAULT;
2618	}
2619	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2620	return rc;
2621}
2622
2623static int bnx2x_cl22_read(struct bnx2x *bp,
2624				      struct bnx2x_phy *phy,
2625				      u16 reg, u16 *ret_val)
2626{
2627	u32 val, mode;
2628	u16 i;
2629	int rc = 0;
2630
2631	/* Switch to CL22 */
2632	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2633	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2634	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2635
2636	/* Address */
2637	val = ((phy->addr << 21) | (reg << 16) |
2638	       EMAC_MDIO_COMM_COMMAND_READ_22 |
2639	       EMAC_MDIO_COMM_START_BUSY);
2640	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2641
2642	for (i = 0; i < 50; i++) {
2643		udelay(10);
2644
2645		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2646		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2647			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2648			udelay(5);
2649			break;
2650		}
2651	}
2652	if (val & EMAC_MDIO_COMM_START_BUSY) {
2653		DP(NETIF_MSG_LINK, "read phy register failed\n");
2654
2655		*ret_val = 0;
2656		rc = -EFAULT;
2657	}
2658	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2659	return rc;
2660}
2661
2662/******************************************************************/
2663/*			CL45 access functions			  */
2664/******************************************************************/
2665static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2666			   u8 devad, u16 reg, u16 *ret_val)
2667{
2668	u32 val;
2669	u16 i;
2670	int rc = 0;
2671	u32 chip_id;
2672	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2673		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2674			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2675		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2676	}
2677
2678	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2679		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2680			      EMAC_MDIO_STATUS_10MB);
2681	/* Address */
2682	val = ((phy->addr << 21) | (devad << 16) | reg |
2683	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2684	       EMAC_MDIO_COMM_START_BUSY);
2685	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2686
2687	for (i = 0; i < 50; i++) {
2688		udelay(10);
2689
2690		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2691		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2692			udelay(5);
2693			break;
2694		}
2695	}
2696	if (val & EMAC_MDIO_COMM_START_BUSY) {
2697		DP(NETIF_MSG_LINK, "read phy register failed\n");
2698		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2699		*ret_val = 0;
2700		rc = -EFAULT;
2701	} else {
2702		/* Data */
2703		val = ((phy->addr << 21) | (devad << 16) |
2704		       EMAC_MDIO_COMM_COMMAND_READ_45 |
2705		       EMAC_MDIO_COMM_START_BUSY);
2706		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2707
2708		for (i = 0; i < 50; i++) {
2709			udelay(10);
2710
2711			val = REG_RD(bp, phy->mdio_ctrl +
2712				     EMAC_REG_EMAC_MDIO_COMM);
2713			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2714				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2715				break;
2716			}
2717		}
2718		if (val & EMAC_MDIO_COMM_START_BUSY) {
2719			DP(NETIF_MSG_LINK, "read phy register failed\n");
2720			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2721			*ret_val = 0;
2722			rc = -EFAULT;
2723		}
2724	}
2725	/* Work around for E3 A0 */
2726	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2727		phy->flags ^= FLAGS_DUMMY_READ;
2728		if (phy->flags & FLAGS_DUMMY_READ) {
2729			u16 temp_val;
2730			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2731		}
2732	}
2733
2734	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2735		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2736			       EMAC_MDIO_STATUS_10MB);
2737	return rc;
2738}
2739
2740static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2741			    u8 devad, u16 reg, u16 val)
2742{
2743	u32 tmp;
2744	u8 i;
2745	int rc = 0;
2746	u32 chip_id;
2747	if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2748		chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2749			  ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2750		bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2751	}
2752
2753	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2754		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2755			      EMAC_MDIO_STATUS_10MB);
2756
2757	/* Address */
2758	tmp = ((phy->addr << 21) | (devad << 16) | reg |
2759	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2760	       EMAC_MDIO_COMM_START_BUSY);
2761	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2762
2763	for (i = 0; i < 50; i++) {
2764		udelay(10);
2765
2766		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2767		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2768			udelay(5);
2769			break;
2770		}
2771	}
2772	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2773		DP(NETIF_MSG_LINK, "write phy register failed\n");
2774		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2775		rc = -EFAULT;
2776	} else {
2777		/* Data */
2778		tmp = ((phy->addr << 21) | (devad << 16) | val |
2779		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2780		       EMAC_MDIO_COMM_START_BUSY);
2781		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2782
2783		for (i = 0; i < 50; i++) {
2784			udelay(10);
2785
2786			tmp = REG_RD(bp, phy->mdio_ctrl +
2787				     EMAC_REG_EMAC_MDIO_COMM);
2788			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2789				udelay(5);
2790				break;
2791			}
2792		}
2793		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2794			DP(NETIF_MSG_LINK, "write phy register failed\n");
2795			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2796			rc = -EFAULT;
2797		}
2798	}
2799	/* Work around for E3 A0 */
2800	if (phy->flags & FLAGS_MDC_MDIO_WA) {
2801		phy->flags ^= FLAGS_DUMMY_READ;
2802		if (phy->flags & FLAGS_DUMMY_READ) {
2803			u16 temp_val;
2804			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2805		}
2806	}
2807	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2808		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2809			       EMAC_MDIO_STATUS_10MB);
2810	return rc;
2811}
2812
2813/******************************************************************/
2814/*			EEE section				   */
2815/******************************************************************/
2816static u8 bnx2x_eee_has_cap(struct link_params *params)
2817{
2818	struct bnx2x *bp = params->bp;
2819
2820	if (REG_RD(bp, params->shmem2_base) <=
2821		   offsetof(struct shmem2_region, eee_status[params->port]))
2822		return 0;
2823
2824	return 1;
2825}
2826
2827static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2828{
2829	switch (nvram_mode) {
2830	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2831		*idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2832		break;
2833	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2834		*idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2835		break;
2836	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2837		*idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2838		break;
2839	default:
2840		*idle_timer = 0;
2841		break;
2842	}
2843
2844	return 0;
2845}
2846
2847static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2848{
2849	switch (idle_timer) {
2850	case EEE_MODE_NVRAM_BALANCED_TIME:
2851		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2852		break;
2853	case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2854		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2855		break;
2856	case EEE_MODE_NVRAM_LATENCY_TIME:
2857		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2858		break;
2859	default:
2860		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2861		break;
2862	}
2863
2864	return 0;
2865}
2866
2867static u32 bnx2x_eee_calc_timer(struct link_params *params)
2868{
2869	u32 eee_mode, eee_idle;
2870	struct bnx2x *bp = params->bp;
2871
2872	if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2873		if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2874			/* time value in eee_mode --> used directly*/
2875			eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2876		} else {
2877			/* hsi value in eee_mode --> time */
2878			if (bnx2x_eee_nvram_to_time(params->eee_mode &
2879						    EEE_MODE_NVRAM_MASK,
2880						    &eee_idle))
2881				return 0;
2882		}
2883	} else {
2884		/* hsi values in nvram --> time*/
2885		eee_mode = ((REG_RD(bp, params->shmem_base +
2886				    offsetof(struct shmem_region, dev_info.
2887				    port_feature_config[params->port].
2888				    eee_power_mode)) &
2889			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2890			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2891
2892		if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2893			return 0;
2894	}
2895
2896	return eee_idle;
2897}
2898
2899static int bnx2x_eee_set_timers(struct link_params *params,
2900				   struct link_vars *vars)
2901{
2902	u32 eee_idle = 0, eee_mode;
2903	struct bnx2x *bp = params->bp;
2904
2905	eee_idle = bnx2x_eee_calc_timer(params);
2906
2907	if (eee_idle) {
2908		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2909		       eee_idle);
2910	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2911		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2912		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2913		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2914		return -EINVAL;
2915	}
2916
2917	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2918	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2919		/* eee_idle in 1u --> eee_status in 16u */
2920		eee_idle >>= 4;
2921		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2922				    SHMEM_EEE_TIME_OUTPUT_BIT;
2923	} else {
2924		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2925			return -EINVAL;
2926		vars->eee_status |= eee_mode;
2927	}
2928
2929	return 0;
2930}
2931
2932static int bnx2x_eee_initial_config(struct link_params *params,
2933				     struct link_vars *vars, u8 mode)
2934{
2935	vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2936
2937	/* Propagate params' bits --> vars (for migration exposure) */
2938	if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2939		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2940	else
2941		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2942
2943	if (params->eee_mode & EEE_MODE_ADV_LPI)
2944		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2945	else
2946		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2947
2948	return bnx2x_eee_set_timers(params, vars);
2949}
2950
2951static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2952				struct link_params *params,
2953				struct link_vars *vars)
2954{
2955	struct bnx2x *bp = params->bp;
2956
2957	/* Make Certain LPI is disabled */
2958	REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2959
2960	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2961
2962	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2963
2964	return 0;
2965}
2966
2967static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2968				  struct link_params *params,
2969				  struct link_vars *vars, u8 modes)
2970{
2971	struct bnx2x *bp = params->bp;
2972	u16 val = 0;
2973
2974	/* Mask events preventing LPI generation */
2975	REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2976
2977	if (modes & SHMEM_EEE_10G_ADV) {
2978		DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2979		val |= 0x8;
2980	}
2981	if (modes & SHMEM_EEE_1G_ADV) {
2982		DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2983		val |= 0x4;
2984	}
2985
2986	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2987
2988	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2989	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
2990
2991	return 0;
2992}
2993
2994static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2995{
2996	struct bnx2x *bp = params->bp;
2997
2998	if (bnx2x_eee_has_cap(params))
2999		REG_WR(bp, params->shmem2_base +
3000		       offsetof(struct shmem2_region,
3001				eee_status[params->port]), eee_status);
3002}
3003
3004static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3005				  struct link_params *params,
3006				  struct link_vars *vars)
3007{
3008	struct bnx2x *bp = params->bp;
3009	u16 adv = 0, lp = 0;
3010	u32 lp_adv = 0;
3011	u8 neg = 0;
3012
3013	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3014	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3015
3016	if (lp & 0x2) {
3017		lp_adv |= SHMEM_EEE_100M_ADV;
3018		if (adv & 0x2) {
3019			if (vars->line_speed == SPEED_100)
3020				neg = 1;
3021			DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3022		}
3023	}
3024	if (lp & 0x14) {
3025		lp_adv |= SHMEM_EEE_1G_ADV;
3026		if (adv & 0x14) {
3027			if (vars->line_speed == SPEED_1000)
3028				neg = 1;
3029			DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3030		}
3031	}
3032	if (lp & 0x68) {
3033		lp_adv |= SHMEM_EEE_10G_ADV;
3034		if (adv & 0x68) {
3035			if (vars->line_speed == SPEED_10000)
3036				neg = 1;
3037			DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3038		}
3039	}
3040
3041	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3042	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3043
3044	if (neg) {
3045		DP(NETIF_MSG_LINK, "EEE is active\n");
3046		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3047	}
3048
3049}
3050
3051/******************************************************************/
3052/*			BSC access functions from E3	          */
3053/******************************************************************/
3054static void bnx2x_bsc_module_sel(struct link_params *params)
3055{
3056	int idx;
3057	u32 board_cfg, sfp_ctrl;
3058	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3059	struct bnx2x *bp = params->bp;
3060	u8 port = params->port;
3061	/* Read I2C output PINs */
3062	board_cfg = REG_RD(bp, params->shmem_base +
3063			   offsetof(struct shmem_region,
3064				    dev_info.shared_hw_config.board));
3065	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3066	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3067			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3068
3069	/* Read I2C output value */
3070	sfp_ctrl = REG_RD(bp, params->shmem_base +
3071			  offsetof(struct shmem_region,
3072				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3073	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3074	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3075	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3076	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3077		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3078}
3079
3080static int bnx2x_bsc_read(struct link_params *params,
3081			  struct bnx2x *bp,
3082			  u8 sl_devid,
3083			  u16 sl_addr,
3084			  u8 lc_addr,
3085			  u8 xfer_cnt,
3086			  u32 *data_array)
3087{
3088	u64 t0, delta;
3089	u32 val, i;
3090	int rc = 0;
3091
3092	if (xfer_cnt > 16) {
3093		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3094					xfer_cnt);
3095		return -EINVAL;
3096	}
3097	bnx2x_bsc_module_sel(params);
3098
3099	xfer_cnt = 16 - lc_addr;
3100
3101	/* Enable the engine */
3102	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3103	val |= MCPR_IMC_COMMAND_ENABLE;
3104	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3105
3106	/* Program slave device ID */
3107	val = (sl_devid << 16) | sl_addr;
3108	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3109
3110	/* Start xfer with 0 byte to update the address pointer ???*/
3111	val = (MCPR_IMC_COMMAND_ENABLE) |
3112	      (MCPR_IMC_COMMAND_WRITE_OP <<
3113		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3114		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3115	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3116
3117	/* Poll for completion */
3118	t0 = ktime_get_ns();
3119	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3120	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3121		delta = ktime_get_ns() - t0;
3122		if (delta > 10 * NSEC_PER_MSEC) {
3123			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %Lu ns\n",
3124					   delta);
3125			rc = -EFAULT;
3126			break;
3127		}
3128		usleep_range(10, 20);
3129		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3130	}
3131	if (rc == -EFAULT)
3132		return rc;
3133
3134	/* Start xfer with read op */
3135	val = (MCPR_IMC_COMMAND_ENABLE) |
3136		(MCPR_IMC_COMMAND_READ_OP <<
3137		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3138		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3139		  (xfer_cnt);
3140	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3141
3142	/* Poll for completion */
3143	t0 = ktime_get_ns();
3144	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3145	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3146		delta = ktime_get_ns() - t0;
3147		if (delta > 10 * NSEC_PER_MSEC) {
3148			DP(NETIF_MSG_LINK, "rd op timed out after %Lu ns\n",
3149					   delta);
3150			rc = -EFAULT;
3151			break;
3152		}
3153		usleep_range(10, 20);
3154		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3155	}
3156	if (rc == -EFAULT)
3157		return rc;
3158
3159	for (i = (lc_addr >> 2); i < 4; i++) {
3160		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3161#ifdef __BIG_ENDIAN
3162		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3163				((data_array[i] & 0x0000ff00) << 8) |
3164				((data_array[i] & 0x00ff0000) >> 8) |
3165				((data_array[i] & 0xff000000) >> 24);
3166#endif
3167	}
3168	return rc;
3169}
3170
3171static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3172				     u8 devad, u16 reg, u16 or_val)
3173{
3174	u16 val;
3175	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3176	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3177}
3178
3179static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3180				      struct bnx2x_phy *phy,
3181				      u8 devad, u16 reg, u16 and_val)
3182{
3183	u16 val;
3184	bnx2x_cl45_read(bp, phy, devad, reg, &val);
3185	bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3186}
3187
3188int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3189		   u8 devad, u16 reg, u16 *ret_val)
3190{
3191	u8 phy_index;
3192	/* Probe for the phy according to the given phy_addr, and execute
3193	 * the read request on it
3194	 */
3195	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3196		if (params->phy[phy_index].addr == phy_addr) {
3197			return bnx2x_cl45_read(params->bp,
3198					       &params->phy[phy_index], devad,
3199					       reg, ret_val);
3200		}
3201	}
3202	return -EINVAL;
3203}
3204
3205int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3206		    u8 devad, u16 reg, u16 val)
3207{
3208	u8 phy_index;
3209	/* Probe for the phy according to the given phy_addr, and execute
3210	 * the write request on it
3211	 */
3212	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3213		if (params->phy[phy_index].addr == phy_addr) {
3214			return bnx2x_cl45_write(params->bp,
3215						&params->phy[phy_index], devad,
3216						reg, val);
3217		}
3218	}
3219	return -EINVAL;
3220}
3221static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3222				  struct link_params *params)
3223{
3224	u8 lane = 0;
3225	struct bnx2x *bp = params->bp;
3226	u32 path_swap, path_swap_ovr;
3227	u8 path, port;
3228
3229	path = BP_PATH(bp);
3230	port = params->port;
3231
3232	if (bnx2x_is_4_port_mode(bp)) {
3233		u32 port_swap, port_swap_ovr;
3234
3235		/* Figure out path swap value */
3236		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3237		if (path_swap_ovr & 0x1)
3238			path_swap = (path_swap_ovr & 0x2);
3239		else
3240			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3241
3242		if (path_swap)
3243			path = path ^ 1;
3244
3245		/* Figure out port swap value */
3246		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3247		if (port_swap_ovr & 0x1)
3248			port_swap = (port_swap_ovr & 0x2);
3249		else
3250			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3251
3252		if (port_swap)
3253			port = port ^ 1;
3254
3255		lane = (port<<1) + path;
3256	} else { /* Two port mode - no port swap */
3257
3258		/* Figure out path swap value */
3259		path_swap_ovr =
3260			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3261		if (path_swap_ovr & 0x1) {
3262			path_swap = (path_swap_ovr & 0x2);
3263		} else {
3264			path_swap =
3265				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3266		}
3267		if (path_swap)
3268			path = path ^ 1;
3269
3270		lane = path << 1 ;
3271	}
3272	return lane;
3273}
3274
3275static void bnx2x_set_aer_mmd(struct link_params *params,
3276			      struct bnx2x_phy *phy)
3277{
3278	u32 ser_lane;
3279	u16 offset, aer_val;
3280	struct bnx2x *bp = params->bp;
3281	ser_lane = ((params->lane_config &
3282		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3283		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3284
3285	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3286		(phy->addr + ser_lane) : 0;
3287
3288	if (USES_WARPCORE(bp)) {
3289		aer_val = bnx2x_get_warpcore_lane(phy, params);
3290		/* In Dual-lane mode, two lanes are joined together,
3291		 * so in order to configure them, the AER broadcast method is
3292		 * used here.
3293		 * 0x200 is the broadcast address for lanes 0,1
3294		 * 0x201 is the broadcast address for lanes 2,3
3295		 */
3296		if (phy->flags & FLAGS_WC_DUAL_MODE)
3297			aer_val = (aer_val >> 1) | 0x200;
3298	} else if (CHIP_IS_E2(bp))
3299		aer_val = 0x3800 + offset - 1;
3300	else
3301		aer_val = 0x3800 + offset;
3302
3303	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3304			  MDIO_AER_BLOCK_AER_REG, aer_val);
3305
3306}
3307
3308/******************************************************************/
3309/*			Internal phy section			  */
3310/******************************************************************/
3311
3312static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3313{
3314	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3315
3316	/* Set Clause 22 */
3317	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3318	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3319	udelay(500);
3320	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3321	udelay(500);
3322	 /* Set Clause 45 */
3323	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3324}
3325
3326static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3327{
3328	u32 val;
3329
3330	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3331
3332	val = SERDES_RESET_BITS << (port*16);
3333
3334	/* Reset and unreset the SerDes/XGXS */
3335	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3336	udelay(500);
3337	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3338
3339	bnx2x_set_serdes_access(bp, port);
3340
3341	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3342	       DEFAULT_PHY_DEV_ADDR);
3343}
3344
3345static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3346				     struct link_params *params,
3347				     u32 action)
3348{
3349	struct bnx2x *bp = params->bp;
3350	switch (action) {
3351	case PHY_INIT:
3352		/* Set correct devad */
3353		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3354		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3355		       phy->def_md_devad);
3356		break;
3357	}
3358}
3359
3360static void bnx2x_xgxs_deassert(struct link_params *params)
3361{
3362	struct bnx2x *bp = params->bp;
3363	u8 port;
3364	u32 val;
3365	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3366	port = params->port;
3367
3368	val = XGXS_RESET_BITS << (port*16);
3369
3370	/* Reset and unreset the SerDes/XGXS */
3371	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3372	udelay(500);
3373	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3374	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3375				 PHY_INIT);
3376}
3377
3378static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3379				     struct link_params *params, u16 *ieee_fc)
3380{
3381	struct bnx2x *bp = params->bp;
3382	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3383	/* Resolve pause mode and advertisement Please refer to Table
3384	 * 28B-3 of the 802.3ab-1999 spec
3385	 */
3386
3387	switch (phy->req_flow_ctrl) {
3388	case BNX2X_FLOW_CTRL_AUTO:
3389		switch (params->req_fc_auto_adv) {
3390		case BNX2X_FLOW_CTRL_BOTH:
3391		case BNX2X_FLOW_CTRL_RX:
3392			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3393			break;
3394		case BNX2X_FLOW_CTRL_TX:
3395			*ieee_fc |=
3396				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3397			break;
3398		default:
3399			break;
3400		}
3401		break;
3402	case BNX2X_FLOW_CTRL_TX:
3403		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3404		break;
3405
3406	case BNX2X_FLOW_CTRL_RX:
3407	case BNX2X_FLOW_CTRL_BOTH:
3408		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3409		break;
3410
3411	case BNX2X_FLOW_CTRL_NONE:
3412	default:
3413		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3414		break;
3415	}
3416	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3417}
3418
3419static void set_phy_vars(struct link_params *params,
3420			 struct link_vars *vars)
3421{
3422	struct bnx2x *bp = params->bp;
3423	u8 actual_phy_idx, phy_index, link_cfg_idx;
3424	u8 phy_config_swapped = params->multi_phy_config &
3425			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3426	for (phy_index = INT_PHY; phy_index < params->num_phys;
3427	      phy_index++) {
3428		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3429		actual_phy_idx = phy_index;
3430		if (phy_config_swapped) {
3431			if (phy_index == EXT_PHY1)
3432				actual_phy_idx = EXT_PHY2;
3433			else if (phy_index == EXT_PHY2)
3434				actual_phy_idx = EXT_PHY1;
3435		}
3436		params->phy[actual_phy_idx].req_flow_ctrl =
3437			params->req_flow_ctrl[link_cfg_idx];
3438
3439		params->phy[actual_phy_idx].req_line_speed =
3440			params->req_line_speed[link_cfg_idx];
3441
3442		params->phy[actual_phy_idx].speed_cap_mask =
3443			params->speed_cap_mask[link_cfg_idx];
3444
3445		params->phy[actual_phy_idx].req_duplex =
3446			params->req_duplex[link_cfg_idx];
3447
3448		if (params->req_line_speed[link_cfg_idx] ==
3449		    SPEED_AUTO_NEG)
3450			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3451
3452		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3453			   " speed_cap_mask %x\n",
3454			   params->phy[actual_phy_idx].req_flow_ctrl,
3455			   params->phy[actual_phy_idx].req_line_speed,
3456			   params->phy[actual_phy_idx].speed_cap_mask);
3457	}
3458}
3459
3460static void bnx2x_ext_phy_set_pause(struct link_params *params,
3461				    struct bnx2x_phy *phy,
3462				    struct link_vars *vars)
3463{
3464	u16 val;
3465	struct bnx2x *bp = params->bp;
3466	/* Read modify write pause advertizing */
3467	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3468
3469	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3470
3471	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3472	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3473	if ((vars->ieee_fc &
3474	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3475	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3476		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3477	}
3478	if ((vars->ieee_fc &
3479	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3480	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3481		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3482	}
3483	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3484	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3485}
3486
3487static void bnx2x_pause_resolve(struct bnx2x_phy *phy,
3488				struct link_params *params,
3489				struct link_vars *vars,
3490				u32 pause_result)
3491{
3492	struct bnx2x *bp = params->bp;
3493						/*  LD	    LP	 */
3494	switch (pause_result) {			/* ASYM P ASYM P */
3495	case 0xb:				/*   1  0   1  1 */
3496		DP(NETIF_MSG_LINK, "Flow Control: TX only\n");
3497		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3498		break;
3499
3500	case 0xe:				/*   1  1   1  0 */
3501		DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
3502		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3503		break;
3504
3505	case 0x5:				/*   0  1   0  1 */
3506	case 0x7:				/*   0  1   1  1 */
3507	case 0xd:				/*   1  1   0  1 */
3508	case 0xf:				/*   1  1   1  1 */
3509		/* If the user selected to advertise RX ONLY,
3510		 * although we advertised both, need to enable
3511		 * RX only.
3512		 */
3513		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
3514			DP(NETIF_MSG_LINK, "Flow Control: RX & TX\n");
3515			vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3516		} else {
3517			DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
3518			vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3519		}
3520		break;
3521
3522	default:
3523		DP(NETIF_MSG_LINK, "Flow Control: None\n");
3524		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3525		break;
3526	}
3527	if (pause_result & (1<<0))
3528		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3529	if (pause_result & (1<<1))
3530		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3531
3532}
3533
3534static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3535					struct link_params *params,
3536					struct link_vars *vars)
3537{
3538	u16 ld_pause;		/* local */
3539	u16 lp_pause;		/* link partner */
3540	u16 pause_result;
3541	struct bnx2x *bp = params->bp;
3542	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3543		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3544		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3545	} else if (CHIP_IS_E3(bp) &&
3546		SINGLE_MEDIA_DIRECT(params)) {
3547		u8 lane = bnx2x_get_warpcore_lane(phy, params);
3548		u16 gp_status, gp_mask;
3549		bnx2x_cl45_read(bp, phy,
3550				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3551				&gp_status);
3552		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3553			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3554			lane;
3555		if ((gp_status & gp_mask) == gp_mask) {
3556			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3557					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3558			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3559					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3560		} else {
3561			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3562					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3563			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3564					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3565			ld_pause = ((ld_pause &
3566				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3567				    << 3);
3568			lp_pause = ((lp_pause &
3569				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3570				    << 3);
3571		}
3572	} else {
3573		bnx2x_cl45_read(bp, phy,
3574				MDIO_AN_DEVAD,
3575				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3576		bnx2x_cl45_read(bp, phy,
3577				MDIO_AN_DEVAD,
3578				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3579	}
3580	pause_result = (ld_pause &
3581			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3582	pause_result |= (lp_pause &
3583			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3584	DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3585	bnx2x_pause_resolve(phy, params, vars, pause_result);
3586
3587}
3588
3589static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3590				   struct link_params *params,
3591				   struct link_vars *vars)
3592{
3593	u8 ret = 0;
3594	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3595	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3596		/* Update the advertised flow-controled of LD/LP in AN */
3597		if (phy->req_line_speed == SPEED_AUTO_NEG)
3598			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3599		/* But set the flow-control result as the requested one */
3600		vars->flow_ctrl = phy->req_flow_ctrl;
3601	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3602		vars->flow_ctrl = params->req_fc_auto_adv;
3603	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3604		ret = 1;
3605		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3606	}
3607	return ret;
3608}
3609/******************************************************************/
3610/*			Warpcore section			  */
3611/******************************************************************/
3612/* The init_internal_warpcore should mirror the xgxs,
3613 * i.e. reset the lane (if needed), set aer for the
3614 * init configuration, and set/clear SGMII flag. Internal
3615 * phy init is done purely in phy_init stage.
3616 */
3617#define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
3618	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3619	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3620	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
3621	 (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
3622
3623#define WC_TX_FIR(post, main, pre) \
3624	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3625	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3626	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3627
3628static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3629					 struct link_params *params,
3630					 struct link_vars *vars)
3631{
3632	struct bnx2x *bp = params->bp;
3633	u16 i;
3634	static struct bnx2x_reg_set reg_set[] = {
3635		/* Step 1 - Program the TX/RX alignment markers */
3636		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3637		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3638		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3639		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3640		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3641		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3642		/* Step 2 - Configure the NP registers */
3643		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3644		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3645		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3646		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3647		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3648		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3649		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3650		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3651		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3652	};
3653	DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3654
3655	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3656				 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3657
3658	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3659		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3660				 reg_set[i].val);
3661
3662	/* Start KR2 work-around timer which handles BCM8073 link-parner */
3663	params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3664	bnx2x_update_link_attr(params, params->link_attr_sync);
3665}
3666
3667static void bnx2x_disable_kr2(struct link_params *params,
3668			      struct link_vars *vars,
3669			      struct bnx2x_phy *phy)
3670{
3671	struct bnx2x *bp = params->bp;
3672	int i;
3673	static struct bnx2x_reg_set reg_set[] = {
3674		/* Step 1 - Program the TX/RX alignment markers */
3675		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3676		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3677		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3678		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3679		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3680		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3681		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3682		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3683		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3684		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3685		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3686		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3687		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3688		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3689		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3690	};
3691	DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3692
3693	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3694		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3695				 reg_set[i].val);
3696	params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3697	bnx2x_update_link_attr(params, params->link_attr_sync);
3698
3699	vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3700}
3701
3702static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3703					       struct link_params *params)
3704{
3705	struct bnx2x *bp = params->bp;
3706
3707	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3708	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3709			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3710	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3711				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3712}
3713
3714static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3715					 struct link_params *params)
3716{
3717	/* Restart autoneg on the leading lane only */
3718	struct bnx2x *bp = params->bp;
3719	u16 lane = bnx2x_get_warpcore_lane(phy, params);
3720	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3721			  MDIO_AER_BLOCK_AER_REG, lane);
3722	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3723			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3724
3725	/* Restore AER */
3726	bnx2x_set_aer_mmd(params, phy);
3727}
3728
3729static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3730					struct link_params *params,
3731					struct link_vars *vars) {
3732	u16 lane, i, cl72_ctrl, an_adv = 0, val;
3733	u32 wc_lane_config;
3734	struct bnx2x *bp = params->bp;
3735	static struct bnx2x_reg_set reg_set[] = {
3736		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3737		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3738		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3739		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3740		/* Disable Autoneg: re-enable it after adv is done. */
3741		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3742		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3743		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3744	};
3745	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3746	/* Set to default registers that may be overriden by 10G force */
3747	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3748		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3749				 reg_set[i].val);
3750
3751	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3752			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3753	cl72_ctrl &= 0x08ff;
3754	cl72_ctrl |= 0x3800;
3755	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3756			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3757
3758	/* Check adding advertisement for 1G KX */
3759	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3760	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3761	    (vars->line_speed == SPEED_1000)) {
3762		u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3763		an_adv |= (1<<5);
3764
3765		/* Enable CL37 1G Parallel Detect */
3766		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3767		DP(NETIF_MSG_LINK, "Advertize 1G\n");
3768	}
3769	if (((vars->line_speed == SPEED_AUTO_NEG) &&
3770	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3771	    (vars->line_speed ==  SPEED_10000)) {
3772		/* Check adding advertisement for 10G KR */
3773		an_adv |= (1<<7);
3774		/* Enable 10G Parallel Detect */
3775		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3776				  MDIO_AER_BLOCK_AER_REG, 0);
3777
3778		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3779				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3780		bnx2x_set_aer_mmd(params, phy);
3781		DP(NETIF_MSG_LINK, "Advertize 10G\n");
3782	}
3783
3784	/* Set Transmit PMD settings */
3785	lane = bnx2x_get_warpcore_lane(phy, params);
3786	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3787			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3788			 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3789	/* Configure the next lane if dual mode */
3790	if (phy->flags & FLAGS_WC_DUAL_MODE)
3791		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3792				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3793				 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3794	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3795			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3796			 0x03f0);
3797	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3798			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3799			 0x03f0);
3800
3801	/* Advertised speeds */
3802	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3803			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3804
3805	/* Advertised and set FEC (Forward Error Correction) */
3806	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3807			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3808			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3809			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3810
3811	/* Enable CL37 BAM */
3812	if (REG_RD(bp, params->shmem_base +
3813		   offsetof(struct shmem_region, dev_info.
3814			    port_hw_config[params->port].default_cfg)) &
3815	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3816		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3817					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3818					 1);
3819		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3820	}
3821
3822	/* Advertise pause */
3823	bnx2x_ext_phy_set_pause(params, phy, vars);
3824	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3825	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3826				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3827
3828	/* Over 1G - AN local device user page 1 */
3829	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3830			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3831
3832	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3833	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3834	    (phy->req_line_speed == SPEED_20000)) {
3835
3836		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3837				  MDIO_AER_BLOCK_AER_REG, lane);
3838
3839		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3840					 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3841					 (1<<11));
3842
3843		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3844				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3845		bnx2x_set_aer_mmd(params, phy);
3846
3847		bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3848	} else {
3849		/* Enable Auto-Detect to support 1G over CL37 as well */
3850		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3851				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3852		wc_lane_config = REG_RD(bp, params->shmem_base +
3853					offsetof(struct shmem_region, dev_info.
3854					shared_hw_config.wc_lane_config));
3855		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3856				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
3857		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
3858		 * parallel-detect loop when CL73 and CL37 are enabled.
3859		 */
3860		val |= 1 << 11;
3861
3862		/* Restore Polarity settings in case it was run over by
3863		 * previous link owner
3864		 */
3865		if (wc_lane_config &
3866		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
3867			val |= 3 << 2;
3868		else
3869			val &= ~(3 << 2);
3870		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3871				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
3872				 val);
3873
3874		bnx2x_disable_kr2(params, vars, phy);
3875	}
3876
3877	/* Enable Autoneg: only on the main lane */
3878	bnx2x_warpcore_restart_AN_KR(phy, params);
3879}
3880
3881static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3882				      struct link_params *params,
3883				      struct link_vars *vars)
3884{
3885	struct bnx2x *bp = params->bp;
3886	u16 val16, i, lane;
3887	static struct bnx2x_reg_set reg_set[] = {
3888		/* Disable Autoneg */
3889		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3890		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3891			0x3f00},
3892		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3893		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3894		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3895		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3896		/* Leave cl72 training enable, needed for KR */
3897		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3898	};
3899
3900	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3901		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3902				 reg_set[i].val);
3903
3904	lane = bnx2x_get_warpcore_lane(phy, params);
3905	/* Global registers */
3906	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3907			  MDIO_AER_BLOCK_AER_REG, 0);
3908	/* Disable CL36 PCS Tx */
3909	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3910			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3911	val16 &= ~(0x0011 << lane);
3912	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3913			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3914
3915	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3916			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3917	val16 |= (0x0303 << (lane << 1));
3918	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3919			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3920	/* Restore AER */
3921	bnx2x_set_aer_mmd(params, phy);
3922	/* Set speed via PMA/PMD register */
3923	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3924			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3925
3926	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3927			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3928
3929	/* Enable encoded forced speed */
3930	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3931			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3932
3933	/* Turn TX scramble payload only the 64/66 scrambler */
3934	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3935			 MDIO_WC_REG_TX66_CONTROL, 0x9);
3936
3937	/* Turn RX scramble payload only the 64/66 scrambler */
3938	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3939				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3940
3941	/* Set and clear loopback to cause a reset to 64/66 decoder */
3942	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3943			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3944	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3945			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3946
3947}
3948
3949static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3950				       struct link_params *params,
3951				       u8 is_xfi)
3952{
3953	struct bnx2x *bp = params->bp;
3954	u16 misc1_val, tap_val, tx_driver_val, lane, val;
3955	u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3956	u32 ifir_val, ipost2_val, ipre_driver_val;
3957
3958	/* Hold rxSeqStart */
3959	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3960				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3961
3962	/* Hold tx_fifo_reset */
3963	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3964				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3965
3966	/* Disable CL73 AN */
3967	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3968
3969	/* Disable 100FX Enable and Auto-Detect */
3970	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3971				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3972
3973	/* Disable 100FX Idle detect */
3974	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3975				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3976
3977	/* Set Block address to Remote PHY & Clear forced_speed[5] */
3978	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3979				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3980
3981	/* Turn off auto-detect & fiber mode */
3982	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3983				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3984				  0xFFEE);
3985
3986	/* Set filter_force_link, disable_false_link and parallel_detect */
3987	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3988			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3989	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3990			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3991			 ((val | 0x0006) & 0xFFFE));
3992
3993	/* Set XFI / SFI */
3994	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3995			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3996
3997	misc1_val &= ~(0x1f);
3998
3999	if (is_xfi) {
4000		misc1_val |= 0x5;
4001		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4002		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
4003	} else {
4004		cfg_tap_val = REG_RD(bp, params->shmem_base +
4005				     offsetof(struct shmem_region, dev_info.
4006					      port_hw_config[params->port].
4007					      sfi_tap_values));
4008
4009		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4010
4011		misc1_val |= 0x9;
4012
4013		/* TAP values are controlled by nvram, if value there isn't 0 */
4014		if (tx_equal)
4015			tap_val = (u16)tx_equal;
4016		else
4017			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4018
4019		ifir_val = DEFAULT_TX_DRV_IFIR;
4020		ipost2_val = DEFAULT_TX_DRV_POST2;
4021		ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
4022		tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
4023
4024		/* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
4025		 * configuration.
4026		 */
4027		if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
4028				   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
4029				   PORT_HW_CFG_TX_DRV_POST2_MASK)) {
4030			ifir_val = (cfg_tap_val &
4031				    PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
4032				PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
4033			ipre_driver_val = (cfg_tap_val &
4034					   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
4035			>> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
4036			ipost2_val = (cfg_tap_val &
4037				      PORT_HW_CFG_TX_DRV_POST2_MASK) >>
4038				PORT_HW_CFG_TX_DRV_POST2_SHIFT;
4039		}
4040
4041		if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
4042			tx_drv_brdct = (cfg_tap_val &
4043					PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4044				PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4045		}
4046
4047		tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
4048					     ipre_driver_val, ifir_val);
4049	}
4050	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4051			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4052
4053	/* Set Transmit PMD settings */
4054	lane = bnx2x_get_warpcore_lane(phy, params);
4055	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4056			 MDIO_WC_REG_TX_FIR_TAP,
4057			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4058	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4059			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4060			 tx_driver_val);
4061
4062	/* Enable fiber mode, enable and invert sig_det */
4063	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4064				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4065
4066	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4067	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4068				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4069
4070	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4071
4072	/* 10G XFI Full Duplex */
4073	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4074			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4075
4076	/* Release tx_fifo_reset */
4077	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4078				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4079				  0xFFFE);
4080	/* Release rxSeqStart */
4081	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4082				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4083}
4084
4085static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4086					     struct link_params *params)
4087{
4088	u16 val;
4089	struct bnx2x *bp = params->bp;
4090	/* Set global registers, so set AER lane to 0 */
4091	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4092			  MDIO_AER_BLOCK_AER_REG, 0);
4093
4094	/* Disable sequencer */
4095	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4096				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4097
4098	bnx2x_set_aer_mmd(params, phy);
4099
4100	bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4101				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4102	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4103			 MDIO_AN_REG_CTRL, 0);
4104	/* Turn off CL73 */
4105	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4106			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4107	val &= ~(1<<5);
4108	val |= (1<<6);
4109	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4110			 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4111
4112	/* Set 20G KR2 force speed */
4113	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4114				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4115
4116	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4117				 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4118
4119	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4120			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4121	val &= ~(3<<14);
4122	val |= (1<<15);
4123	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4125	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4126			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4127
4128	/* Enable sequencer (over lane 0) */
4129	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4130			  MDIO_AER_BLOCK_AER_REG, 0);
4131
4132	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4133				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4134
4135	bnx2x_set_aer_mmd(params, phy);
4136}
4137
4138static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4139					 struct bnx2x_phy *phy,
4140					 u16 lane)
4141{
4142	/* Rx0 anaRxControl1G */
4143	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4144			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4145
4146	/* Rx2 anaRxControl1G */
4147	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4148			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4149
4150	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4151			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4152
4153	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4154			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4155
4156	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4157			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4158
4159	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4160			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4161
4162	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4163			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4164
4165	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4166			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4167
4168	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4170
4171	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4172			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4173
4174	/* Serdes Digital Misc1 */
4175	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4176			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4177
4178	/* Serdes Digital4 Misc3 */
4179	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4180			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4181
4182	/* Set Transmit PMD settings */
4183	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4184			 MDIO_WC_REG_TX_FIR_TAP,
4185			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4186			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4187	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4188			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4189			 WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
4190}
4191
4192static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4193					   struct link_params *params,
4194					   u8 fiber_mode,
4195					   u8 always_autoneg)
4196{
4197	struct bnx2x *bp = params->bp;
4198	u16 val16, digctrl_kx1, digctrl_kx2;
4199
4200	/* Clear XFI clock comp in non-10G single lane mode. */
4201	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4202				  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4203
4204	bnx2x_warpcore_set_lpi_passthrough(phy, params);
4205
4206	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4207		/* SGMII Autoneg */
4208		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4209					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4210					 0x1000);
4211		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4212	} else {
4213		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4214				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4215		val16 &= 0xcebf;
4216		switch (phy->req_line_speed) {
4217		case SPEED_10:
4218			break;
4219		case SPEED_100:
4220			val16 |= 0x2000;
4221			break;
4222		case SPEED_1000:
4223			val16 |= 0x0040;
4224			break;
4225		default:
4226			DP(NETIF_MSG_LINK,
4227			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4228			return;
4229		}
4230
4231		if (phy->req_duplex == DUPLEX_FULL)
4232			val16 |= 0x0100;
4233
4234		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4235				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4236
4237		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4238			       phy->req_line_speed);
4239		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4240				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4241		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4242	}
4243
4244	/* SGMII Slave mode and disable signal detect */
4245	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4246			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4247	if (fiber_mode)
4248		digctrl_kx1 = 1;
4249	else
4250		digctrl_kx1 &= 0xff4a;
4251
4252	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4253			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4254			digctrl_kx1);
4255
4256	/* Turn off parallel detect */
4257	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4258			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4259	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4260			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4261			(digctrl_kx2 & ~(1<<2)));
4262
4263	/* Re-enable parallel detect */
4264	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4265			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4266			(digctrl_kx2 | (1<<2)));
4267
4268	/* Enable autodet */
4269	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4270			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4271			(digctrl_kx1 | 0x10));
4272}
4273
4274static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4275				      struct bnx2x_phy *phy,
4276				      u8 reset)
4277{
4278	u16 val;
4279	/* Take lane out of reset after configuration is finished */
4280	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4281			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4282	if (reset)
4283		val |= 0xC000;
4284	else
4285		val &= 0x3FFF;
4286	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4287			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4288	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4289			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4290}
4291/* Clear SFI/XFI link settings registers */
4292static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4293				      struct link_params *params,
4294				      u16 lane)
4295{
4296	struct bnx2x *bp = params->bp;
4297	u16 i;
4298	static struct bnx2x_reg_set wc_regs[] = {
4299		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4300		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4301		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4302		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4303		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4304			0x0195},
4305		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4306			0x0007},
4307		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4308			0x0002},
4309		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4310		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4311		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4312		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4313	};
4314	/* Set XFI clock comp as default. */
4315	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4316				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4317
4318	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4319		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4320				 wc_regs[i].val);
4321
4322	lane = bnx2x_get_warpcore_lane(phy, params);
4323	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4324			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4325
4326}
4327
4328static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4329						u32 chip_id,
4330						u32 shmem_base, u8 port,
4331						u8 *gpio_num, u8 *gpio_port)
4332{
4333	u32 cfg_pin;
4334	*gpio_num = 0;
4335	*gpio_port = 0;
4336	if (CHIP_IS_E3(bp)) {
4337		cfg_pin = (REG_RD(bp, shmem_base +
4338				offsetof(struct shmem_region,
4339				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4340				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4341				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4342
4343		/* Should not happen. This function called upon interrupt
4344		 * triggered by GPIO ( since EPIO can only generate interrupts
4345		 * to MCP).
4346		 * So if this function was called and none of the GPIOs was set,
4347		 * it means the shit hit the fan.
4348		 */
4349		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4350		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4351			DP(NETIF_MSG_LINK,
4352			   "No cfg pin %x for module detect indication\n",
4353			   cfg_pin);
4354			return -EINVAL;
4355		}
4356
4357		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4358		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4359	} else {
4360		*gpio_num = MISC_REGISTERS_GPIO_3;
4361		*gpio_port = port;
4362	}
4363
4364	return 0;
4365}
4366
4367static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4368				       struct link_params *params)
4369{
4370	struct bnx2x *bp = params->bp;
4371	u8 gpio_num, gpio_port;
4372	u32 gpio_val;
4373	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4374				      params->shmem_base, params->port,
4375				      &gpio_num, &gpio_port) != 0)
4376		return 0;
4377	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4378
4379	/* Call the handling function in case module is detected */
4380	if (gpio_val == 0)
4381		return 1;
4382	else
4383		return 0;
4384}
4385static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4386				     struct link_params *params)
4387{
4388	u16 gp2_status_reg0, lane;
4389	struct bnx2x *bp = params->bp;
4390
4391	lane = bnx2x_get_warpcore_lane(phy, params);
4392
4393	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4394				 &gp2_status_reg0);
4395
4396	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4397}
4398
4399static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4400					  struct link_params *params,
4401					  struct link_vars *vars)
4402{
4403	struct bnx2x *bp = params->bp;
4404	u32 serdes_net_if;
4405	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4406
4407	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4408
4409	if (!vars->turn_to_run_wc_rt)
4410		return;
4411
4412	if (vars->rx_tx_asic_rst) {
4413		u16 lane = bnx2x_get_warpcore_lane(phy, params);
4414		serdes_net_if = (REG_RD(bp, params->shmem_base +
4415				offsetof(struct shmem_region, dev_info.
4416				port_hw_config[params->port].default_cfg)) &
4417				PORT_HW_CFG_NET_SERDES_IF_MASK);
4418
4419		switch (serdes_net_if) {
4420		case PORT_HW_CFG_NET_SERDES_IF_KR:
4421			/* Do we get link yet? */
4422			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4423					&gp_status1);
4424			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4425				/*10G KR*/
4426			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4427
4428			if (lnkup_kr || lnkup) {
4429				vars->rx_tx_asic_rst = 0;
4430			} else {
4431				/* Reset the lane to see if link comes up.*/
4432				bnx2x_warpcore_reset_lane(bp, phy, 1);
4433				bnx2x_warpcore_reset_lane(bp, phy, 0);
4434
4435				/* Restart Autoneg */
4436				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4437					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4438
4439				vars->rx_tx_asic_rst--;
4440				DP(NETIF_MSG_LINK, "0x%x retry left\n",
4441				vars->rx_tx_asic_rst);
4442			}
4443			break;
4444
4445		default:
4446			break;
4447		}
4448
4449	} /*params->rx_tx_asic_rst*/
4450
4451}
4452static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4453				      struct link_params *params)
4454{
4455	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4456	struct bnx2x *bp = params->bp;
4457	bnx2x_warpcore_clear_regs(phy, params, lane);
4458	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4459	     SPEED_10000) &&
4460	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4461		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4462		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4463	} else {
4464		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4465		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4466	}
4467}
4468
4469static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4470					 struct bnx2x_phy *phy,
4471					 u8 tx_en)
4472{
4473	struct bnx2x *bp = params->bp;
4474	u32 cfg_pin;
4475	u8 port = params->port;
4476
4477	cfg_pin = REG_RD(bp, params->shmem_base +
4478			 offsetof(struct shmem_region,
4479				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4480		PORT_HW_CFG_E3_TX_LASER_MASK;
4481	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4482	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4483
4484	/* For 20G, the expected pin to be used is 3 pins after the current */
4485	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4486	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4487		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4488}
4489
4490static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4491				       struct link_params *params,
4492				       struct link_vars *vars)
4493{
4494	struct bnx2x *bp = params->bp;
4495	u32 serdes_net_if;
4496	u8 fiber_mode;
4497	u16 lane = bnx2x_get_warpcore_lane(phy, params);
4498	serdes_net_if = (REG_RD(bp, params->shmem_base +
4499			 offsetof(struct shmem_region, dev_info.
4500				  port_hw_config[params->port].default_cfg)) &
4501			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4502	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4503			   "serdes_net_if = 0x%x\n",
4504		       vars->line_speed, serdes_net_if);
4505	bnx2x_set_aer_mmd(params, phy);
4506	bnx2x_warpcore_reset_lane(bp, phy, 1);
4507	vars->phy_flags |= PHY_XGXS_FLAG;
4508	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4509	    (phy->req_line_speed &&
4510	     ((phy->req_line_speed == SPEED_100) ||
4511	      (phy->req_line_speed == SPEED_10)))) {
4512		vars->phy_flags |= PHY_SGMII_FLAG;
4513		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4514		bnx2x_warpcore_clear_regs(phy, params, lane);
4515		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4516	} else {
4517		switch (serdes_net_if) {
4518		case PORT_HW_CFG_NET_SERDES_IF_KR:
4519			/* Enable KR Auto Neg */
4520			if (params->loopback_mode != LOOPBACK_EXT)
4521				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4522			else {
4523				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4524				bnx2x_warpcore_set_10G_KR(phy, params, vars);
4525			}
4526			break;
4527
4528		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4529			bnx2x_warpcore_clear_regs(phy, params, lane);
4530			if (vars->line_speed == SPEED_10000) {
4531				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4532				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4533			} else {
4534				if (SINGLE_MEDIA_DIRECT(params)) {
4535					DP(NETIF_MSG_LINK, "1G Fiber\n");
4536					fiber_mode = 1;
4537				} else {
4538					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4539					fiber_mode = 0;
4540				}
4541				bnx2x_warpcore_set_sgmii_speed(phy,
4542								params,
4543								fiber_mode,
4544								0);
4545			}
4546
4547			break;
4548
4549		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4550			/* Issue Module detection if module is plugged, or
4551			 * enabled transmitter to avoid current leakage in case
4552			 * no module is connected
4553			 */
4554			if ((params->loopback_mode == LOOPBACK_NONE) ||
4555			    (params->loopback_mode == LOOPBACK_EXT)) {
4556				if (bnx2x_is_sfp_module_plugged(phy, params))
4557					bnx2x_sfp_module_detection(phy, params);
4558				else
4559					bnx2x_sfp_e3_set_transmitter(params,
4560								     phy, 1);
4561			}
4562
4563			bnx2x_warpcore_config_sfi(phy, params);
4564			break;
4565
4566		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4567			if (vars->line_speed != SPEED_20000) {
4568				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4569				return;
4570			}
4571			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4572			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4573			/* Issue Module detection */
4574
4575			bnx2x_sfp_module_detection(phy, params);
4576			break;
4577		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4578			if (!params->loopback_mode) {
4579				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4580			} else {
4581				DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4582				bnx2x_warpcore_set_20G_force_KR2(phy, params);
4583			}
4584			break;
4585		default:
4586			DP(NETIF_MSG_LINK,
4587			   "Unsupported Serdes Net Interface 0x%x\n",
4588			   serdes_net_if);
4589			return;
4590		}
4591	}
4592
4593	/* Take lane out of reset after configuration is finished */
4594	bnx2x_warpcore_reset_lane(bp, phy, 0);
4595	DP(NETIF_MSG_LINK, "Exit config init\n");
4596}
4597
4598static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4599				      struct link_params *params)
4600{
4601	struct bnx2x *bp = params->bp;
4602	u16 val16, lane;
4603	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4604	bnx2x_set_mdio_emac_per_phy(bp, params);
4605	bnx2x_set_aer_mmd(params, phy);
4606	/* Global register */
4607	bnx2x_warpcore_reset_lane(bp, phy, 1);
4608
4609	/* Clear loopback settings (if any) */
4610	/* 10G & 20G */
4611	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4612				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4613
4614	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4615				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4616
4617	/* Update those 1-copy registers */
4618	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4619			  MDIO_AER_BLOCK_AER_REG, 0);
4620	/* Enable 1G MDIO (1-copy) */
4621	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4622				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4623				  ~0x10);
4624
4625	bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4626				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4627	lane = bnx2x_get_warpcore_lane(phy, params);
4628	/* Disable CL36 PCS Tx */
4629	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4630			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4631	val16 |= (0x11 << lane);
4632	if (phy->flags & FLAGS_WC_DUAL_MODE)
4633		val16 |= (0x22 << lane);
4634	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4635			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4636
4637	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4638			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4639	val16 &= ~(0x0303 << (lane << 1));
4640	val16 |= (0x0101 << (lane << 1));
4641	if (phy->flags & FLAGS_WC_DUAL_MODE) {
4642		val16 &= ~(0x0c0c << (lane << 1));
4643		val16 |= (0x0404 << (lane << 1));
4644	}
4645
4646	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4647			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4648	/* Restore AER */
4649	bnx2x_set_aer_mmd(params, phy);
4650
4651}
4652
4653static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4654					struct link_params *params)
4655{
4656	struct bnx2x *bp = params->bp;
4657	u16 val16;
4658	u32 lane;
4659	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4660		       params->loopback_mode, phy->req_line_speed);
4661
4662	if (phy->req_line_speed < SPEED_10000 ||
4663	    phy->supported & SUPPORTED_20000baseKR2_Full) {
4664		/* 10/100/1000/20G-KR2 */
4665
4666		/* Update those 1-copy registers */
4667		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4668				  MDIO_AER_BLOCK_AER_REG, 0);
4669		/* Enable 1G MDIO (1-copy) */
4670		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4671					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4672					 0x10);
4673		/* Set 1G loopback based on lane (1-copy) */
4674		lane = bnx2x_get_warpcore_lane(phy, params);
4675		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4676				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4677		val16 |= (1<<lane);
4678		if (phy->flags & FLAGS_WC_DUAL_MODE)
4679			val16 |= (2<<lane);
4680		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4681				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4682				 val16);
4683
4684		/* Switch back to 4-copy registers */
4685		bnx2x_set_aer_mmd(params, phy);
4686	} else {
4687		/* 10G / 20G-DXGXS */
4688		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4689					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4690					 0x4000);
4691		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4692					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4693	}
4694}
4695
4696
4697
4698static void bnx2x_sync_link(struct link_params *params,
4699			     struct link_vars *vars)
4700{
4701	struct bnx2x *bp = params->bp;
4702	u8 link_10g_plus;
4703	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4704		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4705	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4706	if (vars->link_up) {
4707		DP(NETIF_MSG_LINK, "phy link up\n");
4708
4709		vars->phy_link_up = 1;
4710		vars->duplex = DUPLEX_FULL;
4711		switch (vars->link_status &
4712			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4713		case LINK_10THD:
4714			vars->duplex = DUPLEX_HALF;
4715			fallthrough;
4716		case LINK_10TFD:
4717			vars->line_speed = SPEED_10;
4718			break;
4719
4720		case LINK_100TXHD:
4721			vars->duplex = DUPLEX_HALF;
4722			fallthrough;
4723		case LINK_100T4:
4724		case LINK_100TXFD:
4725			vars->line_speed = SPEED_100;
4726			break;
4727
4728		case LINK_1000THD:
4729			vars->duplex = DUPLEX_HALF;
4730			fallthrough;
4731		case LINK_1000TFD:
4732			vars->line_speed = SPEED_1000;
4733			break;
4734
4735		case LINK_2500THD:
4736			vars->duplex = DUPLEX_HALF;
4737			fallthrough;
4738		case LINK_2500TFD:
4739			vars->line_speed = SPEED_2500;
4740			break;
4741
4742		case LINK_10GTFD:
4743			vars->line_speed = SPEED_10000;
4744			break;
4745		case LINK_20GTFD:
4746			vars->line_speed = SPEED_20000;
4747			break;
4748		default:
4749			break;
4750		}
4751		vars->flow_ctrl = 0;
4752		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4753			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4754
4755		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4756			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4757
4758		if (!vars->flow_ctrl)
4759			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4760
4761		if (vars->line_speed &&
4762		    ((vars->line_speed == SPEED_10) ||
4763		     (vars->line_speed == SPEED_100))) {
4764			vars->phy_flags |= PHY_SGMII_FLAG;
4765		} else {
4766			vars->phy_flags &= ~PHY_SGMII_FLAG;
4767		}
4768		if (vars->line_speed &&
4769		    USES_WARPCORE(bp) &&
4770		    (vars->line_speed == SPEED_1000))
4771			vars->phy_flags |= PHY_SGMII_FLAG;
4772		/* Anything 10 and over uses the bmac */
4773		link_10g_plus = (vars->line_speed >= SPEED_10000);
4774
4775		if (link_10g_plus) {
4776			if (USES_WARPCORE(bp))
4777				vars->mac_type = MAC_TYPE_XMAC;
4778			else
4779				vars->mac_type = MAC_TYPE_BMAC;
4780		} else {
4781			if (USES_WARPCORE(bp))
4782				vars->mac_type = MAC_TYPE_UMAC;
4783			else
4784				vars->mac_type = MAC_TYPE_EMAC;
4785		}
4786	} else { /* Link down */
4787		DP(NETIF_MSG_LINK, "phy link down\n");
4788
4789		vars->phy_link_up = 0;
4790
4791		vars->line_speed = 0;
4792		vars->duplex = DUPLEX_FULL;
4793		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4794
4795		/* Indicate no mac active */
4796		vars->mac_type = MAC_TYPE_NONE;
4797		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4798			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4799		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4800			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4801	}
4802}
4803
4804void bnx2x_link_status_update(struct link_params *params,
4805			      struct link_vars *vars)
4806{
4807	struct bnx2x *bp = params->bp;
4808	u8 port = params->port;
4809	u32 sync_offset, media_types;
4810	/* Update PHY configuration */
4811	set_phy_vars(params, vars);
4812
4813	vars->link_status = REG_RD(bp, params->shmem_base +
4814				   offsetof(struct shmem_region,
4815					    port_mb[port].link_status));
4816
4817	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4818	if (params->loopback_mode != LOOPBACK_NONE &&
4819	    params->loopback_mode != LOOPBACK_EXT)
4820		vars->link_status |= LINK_STATUS_LINK_UP;
4821
4822	if (bnx2x_eee_has_cap(params))
4823		vars->eee_status = REG_RD(bp, params->shmem2_base +
4824					  offsetof(struct shmem2_region,
4825						   eee_status[params->port]));
4826
4827	vars->phy_flags = PHY_XGXS_FLAG;
4828	bnx2x_sync_link(params, vars);
4829	/* Sync media type */
4830	sync_offset = params->shmem_base +
4831			offsetof(struct shmem_region,
4832				 dev_info.port_hw_config[port].media_type);
4833	media_types = REG_RD(bp, sync_offset);
4834
4835	params->phy[INT_PHY].media_type =
4836		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4837		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4838	params->phy[EXT_PHY1].media_type =
4839		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4840		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4841	params->phy[EXT_PHY2].media_type =
4842		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4843		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4844	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4845
4846	/* Sync AEU offset */
4847	sync_offset = params->shmem_base +
4848			offsetof(struct shmem_region,
4849				 dev_info.port_hw_config[port].aeu_int_mask);
4850
4851	vars->aeu_int_mask = REG_RD(bp, sync_offset);
4852
4853	/* Sync PFC status */
4854	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4855		params->feature_config_flags |=
4856					FEATURE_CONFIG_PFC_ENABLED;
4857	else
4858		params->feature_config_flags &=
4859					~FEATURE_CONFIG_PFC_ENABLED;
4860
4861	if (SHMEM2_HAS(bp, link_attr_sync))
4862		params->link_attr_sync = SHMEM2_RD(bp,
4863						 link_attr_sync[params->port]);
4864
4865	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4866		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4867	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4868		 vars->line_speed, vars->duplex, vars->flow_ctrl);
4869}
4870
4871static void bnx2x_set_master_ln(struct link_params *params,
4872				struct bnx2x_phy *phy)
4873{
4874	struct bnx2x *bp = params->bp;
4875	u16 new_master_ln, ser_lane;
4876	ser_lane = ((params->lane_config &
4877		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4878		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4879
4880	/* Set the master_ln for AN */
4881	CL22_RD_OVER_CL45(bp, phy,
4882			  MDIO_REG_BANK_XGXS_BLOCK2,
4883			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4884			  &new_master_ln);
4885
4886	CL22_WR_OVER_CL45(bp, phy,
4887			  MDIO_REG_BANK_XGXS_BLOCK2 ,
4888			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4889			  (new_master_ln | ser_lane));
4890}
4891
4892static int bnx2x_reset_unicore(struct link_params *params,
4893			       struct bnx2x_phy *phy,
4894			       u8 set_serdes)
4895{
4896	struct bnx2x *bp = params->bp;
4897	u16 mii_control;
4898	u16 i;
4899	CL22_RD_OVER_CL45(bp, phy,
4900			  MDIO_REG_BANK_COMBO_IEEE0,
4901			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4902
4903	/* Reset the unicore */
4904	CL22_WR_OVER_CL45(bp, phy,
4905			  MDIO_REG_BANK_COMBO_IEEE0,
4906			  MDIO_COMBO_IEEE0_MII_CONTROL,
4907			  (mii_control |
4908			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4909	if (set_serdes)
4910		bnx2x_set_serdes_access(bp, params->port);
4911
4912	/* Wait for the reset to self clear */
4913	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4914		udelay(5);
4915
4916		/* The reset erased the previous bank value */
4917		CL22_RD_OVER_CL45(bp, phy,
4918				  MDIO_REG_BANK_COMBO_IEEE0,
4919				  MDIO_COMBO_IEEE0_MII_CONTROL,
4920				  &mii_control);
4921
4922		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4923			udelay(5);
4924			return 0;
4925		}
4926	}
4927
4928	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4929			      " Port %d\n",
4930			 params->port);
4931	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4932	return -EINVAL;
4933
4934}
4935
4936static void bnx2x_set_swap_lanes(struct link_params *params,
4937				 struct bnx2x_phy *phy)
4938{
4939	struct bnx2x *bp = params->bp;
4940	/* Each two bits represents a lane number:
4941	 * No swap is 0123 => 0x1b no need to enable the swap
4942	 */
4943	u16 rx_lane_swap, tx_lane_swap;
4944
4945	rx_lane_swap = ((params->lane_config &
4946			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4947			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4948	tx_lane_swap = ((params->lane_config &
4949			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4950			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4951
4952	if (rx_lane_swap != 0x1b) {
4953		CL22_WR_OVER_CL45(bp, phy,
4954				  MDIO_REG_BANK_XGXS_BLOCK2,
4955				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4956				  (rx_lane_swap |
4957				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4958				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4959	} else {
4960		CL22_WR_OVER_CL45(bp, phy,
4961				  MDIO_REG_BANK_XGXS_BLOCK2,
4962				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4963	}
4964
4965	if (tx_lane_swap != 0x1b) {
4966		CL22_WR_OVER_CL45(bp, phy,
4967				  MDIO_REG_BANK_XGXS_BLOCK2,
4968				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4969				  (tx_lane_swap |
4970				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4971	} else {
4972		CL22_WR_OVER_CL45(bp, phy,
4973				  MDIO_REG_BANK_XGXS_BLOCK2,
4974				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4975	}
4976}
4977
4978static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4979					 struct link_params *params)
4980{
4981	struct bnx2x *bp = params->bp;
4982	u16 control2;
4983	CL22_RD_OVER_CL45(bp, phy,
4984			  MDIO_REG_BANK_SERDES_DIGITAL,
4985			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4986			  &control2);
4987	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4988		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4989	else
4990		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4991	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4992		phy->speed_cap_mask, control2);
4993	CL22_WR_OVER_CL45(bp, phy,
4994			  MDIO_REG_BANK_SERDES_DIGITAL,
4995			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4996			  control2);
4997
4998	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4999	     (phy->speed_cap_mask &
5000		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5001		DP(NETIF_MSG_LINK, "XGXS\n");
5002
5003		CL22_WR_OVER_CL45(bp, phy,
5004				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5005				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5006				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
5007
5008		CL22_RD_OVER_CL45(bp, phy,
5009				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5010				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5011				  &control2);
5012
5013
5014		control2 |=
5015		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5016
5017		CL22_WR_OVER_CL45(bp, phy,
5018				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5019				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5020				  control2);
5021
5022		/* Disable parallel detection of HiG */
5023		CL22_WR_OVER_CL45(bp, phy,
5024				  MDIO_REG_BANK_XGXS_BLOCK2,
5025				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5026				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5027				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5028	}
5029}
5030
5031static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
5032			      struct link_params *params,
5033			      struct link_vars *vars,
5034			      u8 enable_cl73)
5035{
5036	struct bnx2x *bp = params->bp;
5037	u16 reg_val;
5038
5039	/* CL37 Autoneg */
5040	CL22_RD_OVER_CL45(bp, phy,
5041			  MDIO_REG_BANK_COMBO_IEEE0,
5042			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5043
5044	/* CL37 Autoneg Enabled */
5045	if (vars->line_speed == SPEED_AUTO_NEG)
5046		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5047	else /* CL37 Autoneg Disabled */
5048		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5049			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5050
5051	CL22_WR_OVER_CL45(bp, phy,
5052			  MDIO_REG_BANK_COMBO_IEEE0,
5053			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5054
5055	/* Enable/Disable Autodetection */
5056
5057	CL22_RD_OVER_CL45(bp, phy,
5058			  MDIO_REG_BANK_SERDES_DIGITAL,
5059			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5060	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5061		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5062	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5063	if (vars->line_speed == SPEED_AUTO_NEG)
5064		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5065	else
5066		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5067
5068	CL22_WR_OVER_CL45(bp, phy,
5069			  MDIO_REG_BANK_SERDES_DIGITAL,
5070			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5071
5072	/* Enable TetonII and BAM autoneg */
5073	CL22_RD_OVER_CL45(bp, phy,
5074			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5075			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5076			  &reg_val);
5077	if (vars->line_speed == SPEED_AUTO_NEG) {
5078		/* Enable BAM aneg Mode and TetonII aneg Mode */
5079		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5080			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5081	} else {
5082		/* TetonII and BAM Autoneg Disabled */
5083		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5084			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5085	}
5086	CL22_WR_OVER_CL45(bp, phy,
5087			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5088			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5089			  reg_val);
5090
5091	if (enable_cl73) {
5092		/* Enable Cl73 FSM status bits */
5093		CL22_WR_OVER_CL45(bp, phy,
5094				  MDIO_REG_BANK_CL73_USERB0,
5095				  MDIO_CL73_USERB0_CL73_UCTRL,
5096				  0xe);
5097
5098		/* Enable BAM Station Manager*/
5099		CL22_WR_OVER_CL45(bp, phy,
5100			MDIO_REG_BANK_CL73_USERB0,
5101			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5102			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5103			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5104			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5105
5106		/* Advertise CL73 link speeds */
5107		CL22_RD_OVER_CL45(bp, phy,
5108				  MDIO_REG_BANK_CL73_IEEEB1,
5109				  MDIO_CL73_IEEEB1_AN_ADV2,
5110				  &reg_val);
5111		if (phy->speed_cap_mask &
5112		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5113			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5114		if (phy->speed_cap_mask &
5115		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5116			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5117
5118		CL22_WR_OVER_CL45(bp, phy,
5119				  MDIO_REG_BANK_CL73_IEEEB1,
5120				  MDIO_CL73_IEEEB1_AN_ADV2,
5121				  reg_val);
5122
5123		/* CL73 Autoneg Enabled */
5124		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5125
5126	} else /* CL73 Autoneg Disabled */
5127		reg_val = 0;
5128
5129	CL22_WR_OVER_CL45(bp, phy,
5130			  MDIO_REG_BANK_CL73_IEEEB0,
5131			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5132}
5133
5134/* Program SerDes, forced speed */
5135static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5136				 struct link_params *params,
5137				 struct link_vars *vars)
5138{
5139	struct bnx2x *bp = params->bp;
5140	u16 reg_val;
5141
5142	/* Program duplex, disable autoneg and sgmii*/
5143	CL22_RD_OVER_CL45(bp, phy,
5144			  MDIO_REG_BANK_COMBO_IEEE0,
5145			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5146	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5147		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5148		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5149	if (phy->req_duplex == DUPLEX_FULL)
5150		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5151	CL22_WR_OVER_CL45(bp, phy,
5152			  MDIO_REG_BANK_COMBO_IEEE0,
5153			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5154
5155	/* Program speed
5156	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5157	 */
5158	CL22_RD_OVER_CL45(bp, phy,
5159			  MDIO_REG_BANK_SERDES_DIGITAL,
5160			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5161	/* Clearing the speed value before setting the right speed */
5162	DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5163
5164	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5165		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5166
5167	if (!((vars->line_speed == SPEED_1000) ||
5168	      (vars->line_speed == SPEED_100) ||
5169	      (vars->line_speed == SPEED_10))) {
5170
5171		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5172			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5173		if (vars->line_speed == SPEED_10000)
5174			reg_val |=
5175				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5176	}
5177
5178	CL22_WR_OVER_CL45(bp, phy,
5179			  MDIO_REG_BANK_SERDES_DIGITAL,
5180			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5181
5182}
5183
5184static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5185					      struct link_params *params)
5186{
5187	struct bnx2x *bp = params->bp;
5188	u16 val = 0;
5189
5190	/* Set extended capabilities */
5191	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5192		val |= MDIO_OVER_1G_UP1_2_5G;
5193	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5194		val |= MDIO_OVER_1G_UP1_10G;
5195	CL22_WR_OVER_CL45(bp, phy,
5196			  MDIO_REG_BANK_OVER_1G,
5197			  MDIO_OVER_1G_UP1, val);
5198
5199	CL22_WR_OVER_CL45(bp, phy,
5200			  MDIO_REG_BANK_OVER_1G,
5201			  MDIO_OVER_1G_UP3, 0x400);
5202}
5203
5204static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5205					      struct link_params *params,
5206					      u16 ieee_fc)
5207{
5208	struct bnx2x *bp = params->bp;
5209	u16 val;
5210	/* For AN, we are always publishing full duplex */
5211
5212	CL22_WR_OVER_CL45(bp, phy,
5213			  MDIO_REG_BANK_COMBO_IEEE0,
5214			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5215	CL22_RD_OVER_CL45(bp, phy,
5216			  MDIO_REG_BANK_CL73_IEEEB1,
5217			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5218	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5219	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5220	CL22_WR_OVER_CL45(bp, phy,
5221			  MDIO_REG_BANK_CL73_IEEEB1,
5222			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5223}
5224
5225static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5226				  struct link_params *params,
5227				  u8 enable_cl73)
5228{
5229	struct bnx2x *bp = params->bp;
5230	u16 mii_control;
5231
5232	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5233	/* Enable and restart BAM/CL37 aneg */
5234
5235	if (enable_cl73) {
5236		CL22_RD_OVER_CL45(bp, phy,
5237				  MDIO_REG_BANK_CL73_IEEEB0,
5238				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5239				  &mii_control);
5240
5241		CL22_WR_OVER_CL45(bp, phy,
5242				  MDIO_REG_BANK_CL73_IEEEB0,
5243				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5244				  (mii_control |
5245				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5246				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5247	} else {
5248
5249		CL22_RD_OVER_CL45(bp, phy,
5250				  MDIO_REG_BANK_COMBO_IEEE0,
5251				  MDIO_COMBO_IEEE0_MII_CONTROL,
5252				  &mii_control);
5253		DP(NETIF_MSG_LINK,
5254			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5255			 mii_control);
5256		CL22_WR_OVER_CL45(bp, phy,
5257				  MDIO_REG_BANK_COMBO_IEEE0,
5258				  MDIO_COMBO_IEEE0_MII_CONTROL,
5259				  (mii_control |
5260				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5261				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5262	}
5263}
5264
5265static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5266					   struct link_params *params,
5267					   struct link_vars *vars)
5268{
5269	struct bnx2x *bp = params->bp;
5270	u16 control1;
5271
5272	/* In SGMII mode, the unicore is always slave */
5273
5274	CL22_RD_OVER_CL45(bp, phy,
5275			  MDIO_REG_BANK_SERDES_DIGITAL,
5276			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5277			  &control1);
5278	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5279	/* Set sgmii mode (and not fiber) */
5280	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5281		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5282		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5283	CL22_WR_OVER_CL45(bp, phy,
5284			  MDIO_REG_BANK_SERDES_DIGITAL,
5285			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5286			  control1);
5287
5288	/* If forced speed */
5289	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5290		/* Set speed, disable autoneg */
5291		u16 mii_control;
5292
5293		CL22_RD_OVER_CL45(bp, phy,
5294				  MDIO_REG_BANK_COMBO_IEEE0,
5295				  MDIO_COMBO_IEEE0_MII_CONTROL,
5296				  &mii_control);
5297		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5298				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5299				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5300
5301		switch (vars->line_speed) {
5302		case SPEED_100:
5303			mii_control |=
5304				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5305			break;
5306		case SPEED_1000:
5307			mii_control |=
5308				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5309			break;
5310		case SPEED_10:
5311			/* There is nothing to set for 10M */
5312			break;
5313		default:
5314			/* Invalid speed for SGMII */
5315			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5316				  vars->line_speed);
5317			break;
5318		}
5319
5320		/* Setting the full duplex */
5321		if (phy->req_duplex == DUPLEX_FULL)
5322			mii_control |=
5323				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5324		CL22_WR_OVER_CL45(bp, phy,
5325				  MDIO_REG_BANK_COMBO_IEEE0,
5326				  MDIO_COMBO_IEEE0_MII_CONTROL,
5327				  mii_control);
5328
5329	} else { /* AN mode */
5330		/* Enable and restart AN */
5331		bnx2x_restart_autoneg(phy, params, 0);
5332	}
5333}
5334
5335/* Link management
5336 */
5337static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5338					     struct link_params *params)
5339{
5340	struct bnx2x *bp = params->bp;
5341	u16 pd_10g, status2_1000x;
5342	if (phy->req_line_speed != SPEED_AUTO_NEG)
5343		return 0;
5344	CL22_RD_OVER_CL45(bp, phy,
5345			  MDIO_REG_BANK_SERDES_DIGITAL,
5346			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5347			  &status2_1000x);
5348	CL22_RD_OVER_CL45(bp, phy,
5349			  MDIO_REG_BANK_SERDES_DIGITAL,
5350			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5351			  &status2_1000x);
5352	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5353		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5354			 params->port);
5355		return 1;
5356	}
5357
5358	CL22_RD_OVER_CL45(bp, phy,
5359			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5360			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5361			  &pd_10g);
5362
5363	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5364		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5365			 params->port);
5366		return 1;
5367	}
5368	return 0;
5369}
5370
5371static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5372				struct link_params *params,
5373				struct link_vars *vars,
5374				u32 gp_status)
5375{
5376	u16 ld_pause;   /* local driver */
5377	u16 lp_pause;   /* link partner */
5378	u16 pause_result;
5379	struct bnx2x *bp = params->bp;
5380	if ((gp_status &
5381	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5382	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5383	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5384	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5385
5386		CL22_RD_OVER_CL45(bp, phy,
5387				  MDIO_REG_BANK_CL73_IEEEB1,
5388				  MDIO_CL73_IEEEB1_AN_ADV1,
5389				  &ld_pause);
5390		CL22_RD_OVER_CL45(bp, phy,
5391				  MDIO_REG_BANK_CL73_IEEEB1,
5392				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
5393				  &lp_pause);
5394		pause_result = (ld_pause &
5395				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5396		pause_result |= (lp_pause &
5397				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5398		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5399	} else {
5400		CL22_RD_OVER_CL45(bp, phy,
5401				  MDIO_REG_BANK_COMBO_IEEE0,
5402				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5403				  &ld_pause);
5404		CL22_RD_OVER_CL45(bp, phy,
5405			MDIO_REG_BANK_COMBO_IEEE0,
5406			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5407			&lp_pause);
5408		pause_result = (ld_pause &
5409				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5410		pause_result |= (lp_pause &
5411				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5412		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5413	}
5414	bnx2x_pause_resolve(phy, params, vars, pause_result);
5415
5416}
5417
5418static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5419				    struct link_params *params,
5420				    struct link_vars *vars,
5421				    u32 gp_status)
5422{
5423	struct bnx2x *bp = params->bp;
5424	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5425
5426	/* Resolve from gp_status in case of AN complete and not sgmii */
5427	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5428		/* Update the advertised flow-controled of LD/LP in AN */
5429		if (phy->req_line_speed == SPEED_AUTO_NEG)
5430			bnx2x_update_adv_fc(phy, params, vars, gp_status);
5431		/* But set the flow-control result as the requested one */
5432		vars->flow_ctrl = phy->req_flow_ctrl;
5433	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5434		vars->flow_ctrl = params->req_fc_auto_adv;
5435	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5436		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5437		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5438			vars->flow_ctrl = params->req_fc_auto_adv;
5439			return;
5440		}
5441		bnx2x_update_adv_fc(phy, params, vars, gp_status);
5442	}
5443	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5444}
5445
5446static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5447					 struct link_params *params)
5448{
5449	struct bnx2x *bp = params->bp;
5450	u16 rx_status, ustat_val, cl37_fsm_received;
5451	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5452	/* Step 1: Make sure signal is detected */
5453	CL22_RD_OVER_CL45(bp, phy,
5454			  MDIO_REG_BANK_RX0,
5455			  MDIO_RX0_RX_STATUS,
5456			  &rx_status);
5457	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5458	    (MDIO_RX0_RX_STATUS_SIGDET)) {
5459		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5460			     "rx_status(0x80b0) = 0x%x\n", rx_status);
5461		CL22_WR_OVER_CL45(bp, phy,
5462				  MDIO_REG_BANK_CL73_IEEEB0,
5463				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5464				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5465		return;
5466	}
5467	/* Step 2: Check CL73 state machine */
5468	CL22_RD_OVER_CL45(bp, phy,
5469			  MDIO_REG_BANK_CL73_USERB0,
5470			  MDIO_CL73_USERB0_CL73_USTAT1,
5471			  &ustat_val);
5472	if ((ustat_val &
5473	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5474	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5475	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5476	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5477		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5478			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
5479		return;
5480	}
5481	/* Step 3: Check CL37 Message Pages received to indicate LP
5482	 * supports only CL37
5483	 */
5484	CL22_RD_OVER_CL45(bp, phy,
5485			  MDIO_REG_BANK_REMOTE_PHY,
5486			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5487			  &cl37_fsm_received);
5488	if ((cl37_fsm_received &
5489	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5490	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5491	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5492	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5493		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5494			     "misc_rx_status(0x8330) = 0x%x\n",
5495			 cl37_fsm_received);
5496		return;
5497	}
5498	/* The combined cl37/cl73 fsm state information indicating that
5499	 * we are connected to a device which does not support cl73, but
5500	 * does support cl37 BAM. In this case we disable cl73 and
5501	 * restart cl37 auto-neg
5502	 */
5503
5504	/* Disable CL73 */
5505	CL22_WR_OVER_CL45(bp, phy,
5506			  MDIO_REG_BANK_CL73_IEEEB0,
5507			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5508			  0);
5509	/* Restart CL37 autoneg */
5510	bnx2x_restart_autoneg(phy, params, 0);
5511	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5512}
5513
5514static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5515				  struct link_params *params,
5516				  struct link_vars *vars,
5517				  u32 gp_status)
5518{
5519	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5520		vars->link_status |=
5521			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5522
5523	if (bnx2x_direct_parallel_detect_used(phy, params))
5524		vars->link_status |=
5525			LINK_STATUS_PARALLEL_DETECTION_USED;
5526}
5527static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5528				     struct link_params *params,
5529				      struct link_vars *vars,
5530				      u16 is_link_up,
5531				      u16 speed_mask,
5532				      u16 is_duplex)
5533{
5534	struct bnx2x *bp = params->bp;
5535	if (phy->req_line_speed == SPEED_AUTO_NEG)
5536		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5537	if (is_link_up) {
5538		DP(NETIF_MSG_LINK, "phy link up\n");
5539
5540		vars->phy_link_up = 1;
5541		vars->link_status |= LINK_STATUS_LINK_UP;
5542
5543		switch (speed_mask) {
5544		case GP_STATUS_10M:
5545			vars->line_speed = SPEED_10;
5546			if (is_duplex == DUPLEX_FULL)
5547				vars->link_status |= LINK_10TFD;
5548			else
5549				vars->link_status |= LINK_10THD;
5550			break;
5551
5552		case GP_STATUS_100M:
5553			vars->line_speed = SPEED_100;
5554			if (is_duplex == DUPLEX_FULL)
5555				vars->link_status |= LINK_100TXFD;
5556			else
5557				vars->link_status |= LINK_100TXHD;
5558			break;
5559
5560		case GP_STATUS_1G:
5561		case GP_STATUS_1G_KX:
5562			vars->line_speed = SPEED_1000;
5563			if (is_duplex == DUPLEX_FULL)
5564				vars->link_status |= LINK_1000TFD;
5565			else
5566				vars->link_status |= LINK_1000THD;
5567			break;
5568
5569		case GP_STATUS_2_5G:
5570			vars->line_speed = SPEED_2500;
5571			if (is_duplex == DUPLEX_FULL)
5572				vars->link_status |= LINK_2500TFD;
5573			else
5574				vars->link_status |= LINK_2500THD;
5575			break;
5576
5577		case GP_STATUS_5G:
5578		case GP_STATUS_6G:
5579			DP(NETIF_MSG_LINK,
5580				 "link speed unsupported  gp_status 0x%x\n",
5581				  speed_mask);
5582			return -EINVAL;
5583
5584		case GP_STATUS_10G_KX4:
5585		case GP_STATUS_10G_HIG:
5586		case GP_STATUS_10G_CX4:
5587		case GP_STATUS_10G_KR:
5588		case GP_STATUS_10G_SFI:
5589		case GP_STATUS_10G_XFI:
5590			vars->line_speed = SPEED_10000;
5591			vars->link_status |= LINK_10GTFD;
5592			break;
5593		case GP_STATUS_20G_DXGXS:
5594		case GP_STATUS_20G_KR2:
5595			vars->line_speed = SPEED_20000;
5596			vars->link_status |= LINK_20GTFD;
5597			break;
5598		default:
5599			DP(NETIF_MSG_LINK,
5600				  "link speed unsupported gp_status 0x%x\n",
5601				  speed_mask);
5602			return -EINVAL;
5603		}
5604	} else { /* link_down */
5605		DP(NETIF_MSG_LINK, "phy link down\n");
5606
5607		vars->phy_link_up = 0;
5608
5609		vars->duplex = DUPLEX_FULL;
5610		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5611		vars->mac_type = MAC_TYPE_NONE;
5612	}
5613	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5614		    vars->phy_link_up, vars->line_speed);
5615	return 0;
5616}
5617
5618static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
5619				     struct link_params *params,
5620				     struct link_vars *vars)
5621{
5622	struct bnx2x *bp = params->bp;
5623
5624	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5625	int rc = 0;
5626
5627	/* Read gp_status */
5628	CL22_RD_OVER_CL45(bp, phy,
5629			  MDIO_REG_BANK_GP_STATUS,
5630			  MDIO_GP_STATUS_TOP_AN_STATUS1,
5631			  &gp_status);
5632	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5633		duplex = DUPLEX_FULL;
5634	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5635		link_up = 1;
5636	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5637	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5638		       gp_status, link_up, speed_mask);
5639	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5640					 duplex);
5641	if (rc == -EINVAL)
5642		return rc;
5643
5644	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5645		if (SINGLE_MEDIA_DIRECT(params)) {
5646			vars->duplex = duplex;
5647			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5648			if (phy->req_line_speed == SPEED_AUTO_NEG)
5649				bnx2x_xgxs_an_resolve(phy, params, vars,
5650						      gp_status);
5651		}
5652	} else { /* Link_down */
5653		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5654		    SINGLE_MEDIA_DIRECT(params)) {
5655			/* Check signal is detected */
5656			bnx2x_check_fallback_to_cl37(phy, params);
5657		}
5658	}
5659
5660	/* Read LP advertised speeds*/
5661	if (SINGLE_MEDIA_DIRECT(params) &&
5662	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5663		u16 val;
5664
5665		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5666				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5667
5668		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5669			vars->link_status |=
5670				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5671		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5672			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5673			vars->link_status |=
5674				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5675
5676		CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5677				  MDIO_OVER_1G_LP_UP1, &val);
5678
5679		if (val & MDIO_OVER_1G_UP1_2_5G)
5680			vars->link_status |=
5681				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5682		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5683			vars->link_status |=
5684				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5685	}
5686
5687	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5688		   vars->duplex, vars->flow_ctrl, vars->link_status);
5689	return rc;
5690}
5691
5692static u8 bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5693				     struct link_params *params,
5694				     struct link_vars *vars)
5695{
5696	struct bnx2x *bp = params->bp;
5697	u8 lane;
5698	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5699	int rc = 0;
5700	lane = bnx2x_get_warpcore_lane(phy, params);
5701	/* Read gp_status */
5702	if ((params->loopback_mode) &&
5703	    (phy->flags & FLAGS_WC_DUAL_MODE)) {
5704		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5705				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5706		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5707				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5708		link_up &= 0x1;
5709	} else if ((phy->req_line_speed > SPEED_10000) &&
5710		(phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5711		u16 temp_link_up;
5712		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5713				1, &temp_link_up);
5714		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5715				1, &link_up);
5716		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5717			       temp_link_up, link_up);
5718		link_up &= (1<<2);
5719		if (link_up)
5720			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5721	} else {
5722		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5723				MDIO_WC_REG_GP2_STATUS_GP_2_1,
5724				&gp_status1);
5725		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5726		/* Check for either KR, 1G, or AN up. */
5727		link_up = ((gp_status1 >> 8) |
5728			   (gp_status1 >> 12) |
5729			   (gp_status1)) &
5730			(1 << lane);
5731		if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5732			u16 an_link;
5733			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5734					MDIO_AN_REG_STATUS, &an_link);
5735			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5736					MDIO_AN_REG_STATUS, &an_link);
5737			link_up |= (an_link & (1<<2));
5738		}
5739		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5740			u16 pd, gp_status4;
5741			if (phy->req_line_speed == SPEED_AUTO_NEG) {
5742				/* Check Autoneg complete */
5743				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5744						MDIO_WC_REG_GP2_STATUS_GP_2_4,
5745						&gp_status4);
5746				if (gp_status4 & ((1<<12)<<lane))
5747					vars->link_status |=
5748					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5749
5750				/* Check parallel detect used */
5751				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5752						MDIO_WC_REG_PAR_DET_10G_STATUS,
5753						&pd);
5754				if (pd & (1<<15))
5755					vars->link_status |=
5756					LINK_STATUS_PARALLEL_DETECTION_USED;
5757			}
5758			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5759			vars->duplex = duplex;
5760		}
5761	}
5762
5763	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5764	    SINGLE_MEDIA_DIRECT(params)) {
5765		u16 val;
5766
5767		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5768				MDIO_AN_REG_LP_AUTO_NEG2, &val);
5769
5770		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5771			vars->link_status |=
5772				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5773		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5774			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5775			vars->link_status |=
5776				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5777
5778		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5779				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5780
5781		if (val & MDIO_OVER_1G_UP1_2_5G)
5782			vars->link_status |=
5783				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5784		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5785			vars->link_status |=
5786				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5787
5788	}
5789
5790
5791	if (lane < 2) {
5792		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5793				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5794	} else {
5795		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5796				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5797	}
5798	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5799
5800	if ((lane & 1) == 0)
5801		gp_speed <<= 8;
5802	gp_speed &= 0x3f00;
5803	link_up = !!link_up;
5804
5805	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5806					 duplex);
5807
5808	/* In case of KR link down, start up the recovering procedure */
5809	if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5810	    (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5811		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5812
5813	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5814		   vars->duplex, vars->flow_ctrl, vars->link_status);
5815	return rc;
5816}
5817static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5818{
5819	struct bnx2x *bp = params->bp;
5820	struct bnx2x_phy *phy = &params->phy[INT_PHY];
5821	u16 lp_up2;
5822	u16 tx_driver;
5823	u16 bank;
5824
5825	/* Read precomp */
5826	CL22_RD_OVER_CL45(bp, phy,
5827			  MDIO_REG_BANK_OVER_1G,
5828			  MDIO_OVER_1G_LP_UP2, &lp_up2);
5829
5830	/* Bits [10:7] at lp_up2, positioned at [15:12] */
5831	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5832		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5833		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5834
5835	if (lp_up2 == 0)
5836		return;
5837
5838	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5839	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5840		CL22_RD_OVER_CL45(bp, phy,
5841				  bank,
5842				  MDIO_TX0_TX_DRIVER, &tx_driver);
5843
5844		/* Replace tx_driver bits [15:12] */
5845		if (lp_up2 !=
5846		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5847			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5848			tx_driver |= lp_up2;
5849			CL22_WR_OVER_CL45(bp, phy,
5850					  bank,
5851					  MDIO_TX0_TX_DRIVER, tx_driver);
5852		}
5853	}
5854}
5855
5856static int bnx2x_emac_program(struct link_params *params,
5857			      struct link_vars *vars)
5858{
5859	struct bnx2x *bp = params->bp;
5860	u8 port = params->port;
5861	u16 mode = 0;
5862
5863	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5864	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5865		       EMAC_REG_EMAC_MODE,
5866		       (EMAC_MODE_25G_MODE |
5867			EMAC_MODE_PORT_MII_10M |
5868			EMAC_MODE_HALF_DUPLEX));
5869	switch (vars->line_speed) {
5870	case SPEED_10:
5871		mode |= EMAC_MODE_PORT_MII_10M;
5872		break;
5873
5874	case SPEED_100:
5875		mode |= EMAC_MODE_PORT_MII;
5876		break;
5877
5878	case SPEED_1000:
5879		mode |= EMAC_MODE_PORT_GMII;
5880		break;
5881
5882	case SPEED_2500:
5883		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5884		break;
5885
5886	default:
5887		/* 10G not valid for EMAC */
5888		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5889			   vars->line_speed);
5890		return -EINVAL;
5891	}
5892
5893	if (vars->duplex == DUPLEX_HALF)
5894		mode |= EMAC_MODE_HALF_DUPLEX;
5895	bnx2x_bits_en(bp,
5896		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5897		      mode);
5898
5899	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5900	return 0;
5901}
5902
5903static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5904				  struct link_params *params)
5905{
5906
5907	u16 bank, i = 0;
5908	struct bnx2x *bp = params->bp;
5909
5910	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5911	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5912			CL22_WR_OVER_CL45(bp, phy,
5913					  bank,
5914					  MDIO_RX0_RX_EQ_BOOST,
5915					  phy->rx_preemphasis[i]);
5916	}
5917
5918	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5919		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5920			CL22_WR_OVER_CL45(bp, phy,
5921					  bank,
5922					  MDIO_TX0_TX_DRIVER,
5923					  phy->tx_preemphasis[i]);
5924	}
5925}
5926
5927static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5928				   struct link_params *params,
5929				   struct link_vars *vars)
5930{
5931	struct bnx2x *bp = params->bp;
5932	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5933			  (params->loopback_mode == LOOPBACK_XGXS));
5934	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5935		if (SINGLE_MEDIA_DIRECT(params) &&
5936		    (params->feature_config_flags &
5937		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5938			bnx2x_set_preemphasis(phy, params);
5939
5940		/* Forced speed requested? */
5941		if (vars->line_speed != SPEED_AUTO_NEG ||
5942		    (SINGLE_MEDIA_DIRECT(params) &&
5943		     params->loopback_mode == LOOPBACK_EXT)) {
5944			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5945
5946			/* Disable autoneg */
5947			bnx2x_set_autoneg(phy, params, vars, 0);
5948
5949			/* Program speed and duplex */
5950			bnx2x_program_serdes(phy, params, vars);
5951
5952		} else { /* AN_mode */
5953			DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5954
5955			/* AN enabled */
5956			bnx2x_set_brcm_cl37_advertisement(phy, params);
5957
5958			/* Program duplex & pause advertisement (for aneg) */
5959			bnx2x_set_ieee_aneg_advertisement(phy, params,
5960							  vars->ieee_fc);
5961
5962			/* Enable autoneg */
5963			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5964
5965			/* Enable and restart AN */
5966			bnx2x_restart_autoneg(phy, params, enable_cl73);
5967		}
5968
5969	} else { /* SGMII mode */
5970		DP(NETIF_MSG_LINK, "SGMII\n");
5971
5972		bnx2x_initialize_sgmii_process(phy, params, vars);
5973	}
5974}
5975
5976static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5977			  struct link_params *params,
5978			  struct link_vars *vars)
5979{
5980	int rc;
5981	vars->phy_flags |= PHY_XGXS_FLAG;
5982	if ((phy->req_line_speed &&
5983	     ((phy->req_line_speed == SPEED_100) ||
5984	      (phy->req_line_speed == SPEED_10))) ||
5985	    (!phy->req_line_speed &&
5986	     (phy->speed_cap_mask >=
5987	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5988	     (phy->speed_cap_mask <
5989	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5990	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5991		vars->phy_flags |= PHY_SGMII_FLAG;
5992	else
5993		vars->phy_flags &= ~PHY_SGMII_FLAG;
5994
5995	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5996	bnx2x_set_aer_mmd(params, phy);
5997	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5998		bnx2x_set_master_ln(params, phy);
5999
6000	rc = bnx2x_reset_unicore(params, phy, 0);
6001	/* Reset the SerDes and wait for reset bit return low */
6002	if (rc)
6003		return rc;
6004
6005	bnx2x_set_aer_mmd(params, phy);
6006	/* Setting the masterLn_def again after the reset */
6007	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6008		bnx2x_set_master_ln(params, phy);
6009		bnx2x_set_swap_lanes(params, phy);
6010	}
6011
6012	return rc;
6013}
6014
6015static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
6016				     struct bnx2x_phy *phy,
6017				     struct link_params *params)
6018{
6019	u16 cnt, ctrl;
6020	/* Wait for soft reset to get cleared up to 1 sec */
6021	for (cnt = 0; cnt < 1000; cnt++) {
6022		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6023			bnx2x_cl22_read(bp, phy,
6024				MDIO_PMA_REG_CTRL, &ctrl);
6025		else
6026			bnx2x_cl45_read(bp, phy,
6027				MDIO_PMA_DEVAD,
6028				MDIO_PMA_REG_CTRL, &ctrl);
6029		if (!(ctrl & (1<<15)))
6030			break;
6031		usleep_range(1000, 2000);
6032	}
6033
6034	if (cnt == 1000)
6035		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
6036				      " Port %d\n",
6037			 params->port);
6038	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6039	return cnt;
6040}
6041
6042static void bnx2x_link_int_enable(struct link_params *params)
6043{
6044	u8 port = params->port;
6045	u32 mask;
6046	struct bnx2x *bp = params->bp;
6047
6048	/* Setting the status to report on link up for either XGXS or SerDes */
6049	if (CHIP_IS_E3(bp)) {
6050		mask = NIG_MASK_XGXS0_LINK_STATUS;
6051		if (!(SINGLE_MEDIA_DIRECT(params)))
6052			mask |= NIG_MASK_MI_INT;
6053	} else if (params->switch_cfg == SWITCH_CFG_10G) {
6054		mask = (NIG_MASK_XGXS0_LINK10G |
6055			NIG_MASK_XGXS0_LINK_STATUS);
6056		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6057		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6058			params->phy[INT_PHY].type !=
6059				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6060			mask |= NIG_MASK_MI_INT;
6061			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6062		}
6063
6064	} else { /* SerDes */
6065		mask = NIG_MASK_SERDES0_LINK_STATUS;
6066		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6067		if (!(SINGLE_MEDIA_DIRECT(params)) &&
6068			params->phy[INT_PHY].type !=
6069				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6070			mask |= NIG_MASK_MI_INT;
6071			DP(NETIF_MSG_LINK, "enabled external phy int\n");
6072		}
6073	}
6074	bnx2x_bits_en(bp,
6075		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6076		      mask);
6077
6078	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6079		 (params->switch_cfg == SWITCH_CFG_10G),
6080		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6081	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6082		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6083		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6084		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6085	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6086	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6087	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6088}
6089
6090static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6091				     u8 exp_mi_int)
6092{
6093	u32 latch_status = 0;
6094
6095	/* Disable the MI INT ( external phy int ) by writing 1 to the
6096	 * status register. Link down indication is high-active-signal,
6097	 * so in this case we need to write the status to clear the XOR
6098	 */
6099	/* Read Latched signals */
6100	latch_status = REG_RD(bp,
6101				    NIG_REG_LATCH_STATUS_0 + port*8);
6102	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6103	/* Handle only those with latched-signal=up.*/
6104	if (exp_mi_int)
6105		bnx2x_bits_en(bp,
6106			      NIG_REG_STATUS_INTERRUPT_PORT0
6107			      + port*4,
6108			      NIG_STATUS_EMAC0_MI_INT);
6109	else
6110		bnx2x_bits_dis(bp,
6111			       NIG_REG_STATUS_INTERRUPT_PORT0
6112			       + port*4,
6113			       NIG_STATUS_EMAC0_MI_INT);
6114
6115	if (latch_status & 1) {
6116
6117		/* For all latched-signal=up : Re-Arm Latch signals */
6118		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6119		       (latch_status & 0xfffe) | (latch_status & 1));
6120	}
6121	/* For all latched-signal=up,Write original_signal to status */
6122}
6123
6124static void bnx2x_link_int_ack(struct link_params *params,
6125			       struct link_vars *vars, u8 is_10g_plus)
6126{
6127	struct bnx2x *bp = params->bp;
6128	u8 port = params->port;
6129	u32 mask;
6130	/* First reset all status we assume only one line will be
6131	 * change at a time
6132	 */
6133	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6134		       (NIG_STATUS_XGXS0_LINK10G |
6135			NIG_STATUS_XGXS0_LINK_STATUS |
6136			NIG_STATUS_SERDES0_LINK_STATUS));
6137	if (vars->phy_link_up) {
6138		if (USES_WARPCORE(bp))
6139			mask = NIG_STATUS_XGXS0_LINK_STATUS;
6140		else {
6141			if (is_10g_plus)
6142				mask = NIG_STATUS_XGXS0_LINK10G;
6143			else if (params->switch_cfg == SWITCH_CFG_10G) {
6144				/* Disable the link interrupt by writing 1 to
6145				 * the relevant lane in the status register
6146				 */
6147				u32 ser_lane =
6148					((params->lane_config &
6149				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6150				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6151				mask = ((1 << ser_lane) <<
6152				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6153			} else
6154				mask = NIG_STATUS_SERDES0_LINK_STATUS;
6155		}
6156		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6157			       mask);
6158		bnx2x_bits_en(bp,
6159			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6160			      mask);
6161	}
6162}
6163
6164static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6165{
6166	if (*len)
6167		str[0] = '\0';
6168	return 0;
6169}
6170
6171static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6172{
6173	u16 ret;
6174
6175	if (*len < 10) {
6176		/* Need more than 10 chars for this format */
6177		bnx2x_null_format_ver(num, str, len);
6178		return -EINVAL;
6179	}
6180
6181	ret = scnprintf(str, *len, "%x.%x", (num >> 16) & 0xFFFF,
6182			num & 0xFFFF);
6183	*len -= ret;
6184	return 0;
6185}
6186
6187static int bnx2x_3_seq_format_ver(u32 num, u8 *str, u16 *len)
6188{
6189	u16 ret;
6190
6191	if (*len < 9) {
6192		/* Need more than 9 chars for this format */
6193		bnx2x_null_format_ver(num, str, len);
6194		return -EINVAL;
6195	}
6196
6197	ret = scnprintf(str, *len, "%x.%x.%x", (num >> 16) & 0xFF,
6198			(num >> 8) & 0xFF, num & 0xFF);
6199	*len -= ret;
6200	return 0;
6201}
6202
6203int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6204				 u16 len)
6205{
6206	struct bnx2x *bp;
6207	u32 spirom_ver = 0;
6208	int status = 0;
6209	u8 *ver_p = version;
6210	u16 remain_len = len;
6211	if (version == NULL || params == NULL || len == 0)
6212		return -EINVAL;
6213	bp = params->bp;
6214
6215	/* Extract first external phy*/
6216	version[0] = '\0';
6217	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6218
6219	if (params->phy[EXT_PHY1].format_fw_ver) {
6220		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6221							      ver_p,
6222							      &remain_len);
6223		ver_p += (len - remain_len);
6224	}
6225	if ((params->num_phys == MAX_PHYS) &&
6226	    (params->phy[EXT_PHY2].ver_addr != 0)) {
6227		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6228		if (params->phy[EXT_PHY2].format_fw_ver) {
6229			*ver_p = '/';
6230			ver_p++;
6231			remain_len--;
6232			status |= params->phy[EXT_PHY2].format_fw_ver(
6233				spirom_ver,
6234				ver_p,
6235				&remain_len);
6236			ver_p = version + (len - remain_len);
6237		}
6238	}
6239	*ver_p = '\0';
6240	return status;
6241}
6242
6243static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6244				    struct link_params *params)
6245{
6246	u8 port = params->port;
6247	struct bnx2x *bp = params->bp;
6248
6249	if (phy->req_line_speed != SPEED_1000) {
6250		u32 md_devad = 0;
6251
6252		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6253
6254		if (!CHIP_IS_E3(bp)) {
6255			/* Change the uni_phy_addr in the nig */
6256			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6257					       port*0x18));
6258
6259			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6260			       0x5);
6261		}
6262
6263		bnx2x_cl45_write(bp, phy,
6264				 5,
6265				 (MDIO_REG_BANK_AER_BLOCK +
6266				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6267				 0x2800);
6268
6269		bnx2x_cl45_write(bp, phy,
6270				 5,
6271				 (MDIO_REG_BANK_CL73_IEEEB0 +
6272				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6273				 0x6041);
6274		msleep(200);
6275		/* Set aer mmd back */
6276		bnx2x_set_aer_mmd(params, phy);
6277
6278		if (!CHIP_IS_E3(bp)) {
6279			/* And md_devad */
6280			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6281			       md_devad);
6282		}
6283	} else {
6284		u16 mii_ctrl;
6285		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6286		bnx2x_cl45_read(bp, phy, 5,
6287				(MDIO_REG_BANK_COMBO_IEEE0 +
6288				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6289				&mii_ctrl);
6290		bnx2x_cl45_write(bp, phy, 5,
6291				 (MDIO_REG_BANK_COMBO_IEEE0 +
6292				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6293				 mii_ctrl |
6294				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6295	}
6296}
6297
6298int bnx2x_set_led(struct link_params *params,
6299		  struct link_vars *vars, u8 mode, u32 speed)
6300{
6301	u8 port = params->port;
6302	u16 hw_led_mode = params->hw_led_mode;
6303	int rc = 0;
6304	u8 phy_idx;
6305	u32 tmp;
6306	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6307	struct bnx2x *bp = params->bp;
6308	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6309	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6310		 speed, hw_led_mode);
6311	/* In case */
6312	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6313		if (params->phy[phy_idx].set_link_led) {
6314			params->phy[phy_idx].set_link_led(
6315				&params->phy[phy_idx], params, mode);
6316		}
6317	}
6318
6319	switch (mode) {
6320	case LED_MODE_FRONT_PANEL_OFF:
6321	case LED_MODE_OFF:
6322		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6323		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6324		       SHARED_HW_CFG_LED_MAC1);
6325
6326		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6327		if (params->phy[EXT_PHY1].type ==
6328			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6329			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6330				EMAC_LED_100MB_OVERRIDE |
6331				EMAC_LED_10MB_OVERRIDE);
6332		else
6333			tmp |= EMAC_LED_OVERRIDE;
6334
6335		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6336		break;
6337
6338	case LED_MODE_OPER:
6339		/* For all other phys, OPER mode is same as ON, so in case
6340		 * link is down, do nothing
6341		 */
6342		if (!vars->link_up)
6343			break;
6344		fallthrough;
6345	case LED_MODE_ON:
6346		if (((params->phy[EXT_PHY1].type ==
6347			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6348			 (params->phy[EXT_PHY1].type ==
6349			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6350		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6351			/* This is a work-around for E2+8727 Configurations */
6352			if (mode == LED_MODE_ON ||
6353				speed == SPEED_10000){
6354				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6355				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6356
6357				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6358				EMAC_WR(bp, EMAC_REG_EMAC_LED,
6359					(tmp | EMAC_LED_OVERRIDE));
6360				/* Return here without enabling traffic
6361				 * LED blink and setting rate in ON mode.
6362				 * In oper mode, enabling LED blink
6363				 * and setting rate is needed.
6364				 */
6365				if (mode == LED_MODE_ON)
6366					return rc;
6367			}
6368		} else if (SINGLE_MEDIA_DIRECT(params)) {
6369			/* This is a work-around for HW issue found when link
6370			 * is up in CL73
6371			 */
6372			if ((!CHIP_IS_E3(bp)) ||
6373			    (CHIP_IS_E3(bp) &&
6374			     mode == LED_MODE_ON))
6375				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6376
6377			if (CHIP_IS_E1x(bp) ||
6378			    CHIP_IS_E2(bp) ||
6379			    (mode == LED_MODE_ON))
6380				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6381			else
6382				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6383				       hw_led_mode);
6384		} else if ((params->phy[EXT_PHY1].type ==
6385			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6386			   (mode == LED_MODE_ON)) {
6387			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6388			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6389			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6390				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6391			/* Break here; otherwise, it'll disable the
6392			 * intended override.
6393			 */
6394			break;
6395		} else {
6396			u32 nig_led_mode = ((params->hw_led_mode <<
6397					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
6398					    SHARED_HW_CFG_LED_EXTPHY2) ?
6399				(SHARED_HW_CFG_LED_PHY1 >>
6400				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6401			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6402			       nig_led_mode);
6403		}
6404
6405		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6406		/* Set blinking rate to ~15.9Hz */
6407		if (CHIP_IS_E3(bp))
6408			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6409			       LED_BLINK_RATE_VAL_E3);
6410		else
6411			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6412			       LED_BLINK_RATE_VAL_E1X_E2);
6413		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6414		       port*4, 1);
6415		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6416		EMAC_WR(bp, EMAC_REG_EMAC_LED,
6417			(tmp & (~EMAC_LED_OVERRIDE)));
6418
6419		if (CHIP_IS_E1(bp) &&
6420		    ((speed == SPEED_2500) ||
6421		     (speed == SPEED_1000) ||
6422		     (speed == SPEED_100) ||
6423		     (speed == SPEED_10))) {
6424			/* For speeds less than 10G LED scheme is different */
6425			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6426			       + port*4, 1);
6427			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6428			       port*4, 0);
6429			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6430			       port*4, 1);
6431		}
6432		break;
6433
6434	default:
6435		rc = -EINVAL;
6436		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6437			 mode);
6438		break;
6439	}
6440	return rc;
6441
6442}
6443
6444/* This function comes to reflect the actual link state read DIRECTLY from the
6445 * HW
6446 */
6447int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6448		    u8 is_serdes)
6449{
6450	struct bnx2x *bp = params->bp;
6451	u16 gp_status = 0, phy_index = 0;
6452	u8 ext_phy_link_up = 0, serdes_phy_type;
6453	struct link_vars temp_vars;
6454	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6455
6456	if (CHIP_IS_E3(bp)) {
6457		u16 link_up;
6458		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6459		    > SPEED_10000) {
6460			/* Check 20G link */
6461			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6462					1, &link_up);
6463			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6464					1, &link_up);
6465			link_up &= (1<<2);
6466		} else {
6467			/* Check 10G link and below*/
6468			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6469			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6470					MDIO_WC_REG_GP2_STATUS_GP_2_1,
6471					&gp_status);
6472			gp_status = ((gp_status >> 8) & 0xf) |
6473				((gp_status >> 12) & 0xf);
6474			link_up = gp_status & (1 << lane);
6475		}
6476		if (!link_up)
6477			return -ESRCH;
6478	} else {
6479		CL22_RD_OVER_CL45(bp, int_phy,
6480			  MDIO_REG_BANK_GP_STATUS,
6481			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6482			  &gp_status);
6483		/* Link is up only if both local phy and external phy are up */
6484		if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6485			return -ESRCH;
6486	}
6487	/* In XGXS loopback mode, do not check external PHY */
6488	if (params->loopback_mode == LOOPBACK_XGXS)
6489		return 0;
6490
6491	switch (params->num_phys) {
6492	case 1:
6493		/* No external PHY */
6494		return 0;
6495	case 2:
6496		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6497			&params->phy[EXT_PHY1],
6498			params, &temp_vars);
6499		break;
6500	case 3: /* Dual Media */
6501		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6502		      phy_index++) {
6503			serdes_phy_type = ((params->phy[phy_index].media_type ==
6504					    ETH_PHY_SFPP_10G_FIBER) ||
6505					   (params->phy[phy_index].media_type ==
6506					    ETH_PHY_SFP_1G_FIBER) ||
6507					   (params->phy[phy_index].media_type ==
6508					    ETH_PHY_XFP_FIBER) ||
6509					   (params->phy[phy_index].media_type ==
6510					    ETH_PHY_DA_TWINAX));
6511
6512			if (is_serdes != serdes_phy_type)
6513				continue;
6514			if (params->phy[phy_index].read_status) {
6515				ext_phy_link_up |=
6516					params->phy[phy_index].read_status(
6517						&params->phy[phy_index],
6518						params, &temp_vars);
6519			}
6520		}
6521		break;
6522	}
6523	if (ext_phy_link_up)
6524		return 0;
6525	return -ESRCH;
6526}
6527
6528static int bnx2x_link_initialize(struct link_params *params,
6529				 struct link_vars *vars)
6530{
6531	u8 phy_index, non_ext_phy;
6532	struct bnx2x *bp = params->bp;
6533	/* In case of external phy existence, the line speed would be the
6534	 * line speed linked up by the external phy. In case it is direct
6535	 * only, then the line_speed during initialization will be
6536	 * equal to the req_line_speed
6537	 */
6538	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6539
6540	/* Initialize the internal phy in case this is a direct board
6541	 * (no external phys), or this board has external phy which requires
6542	 * to first.
6543	 */
6544	if (!USES_WARPCORE(bp))
6545		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6546	/* init ext phy and enable link state int */
6547	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6548		       (params->loopback_mode == LOOPBACK_XGXS));
6549
6550	if (non_ext_phy ||
6551	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6552	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6553		struct bnx2x_phy *phy = &params->phy[INT_PHY];
6554		if (vars->line_speed == SPEED_AUTO_NEG &&
6555		    (CHIP_IS_E1x(bp) ||
6556		     CHIP_IS_E2(bp)))
6557			bnx2x_set_parallel_detection(phy, params);
6558		if (params->phy[INT_PHY].config_init)
6559			params->phy[INT_PHY].config_init(phy, params, vars);
6560	}
6561
6562	/* Re-read this value in case it was changed inside config_init due to
6563	 * limitations of optic module
6564	 */
6565	vars->line_speed = params->phy[INT_PHY].req_line_speed;
6566
6567	/* Init external phy*/
6568	if (non_ext_phy) {
6569		if (params->phy[INT_PHY].supported &
6570		    SUPPORTED_FIBRE)
6571			vars->link_status |= LINK_STATUS_SERDES_LINK;
6572	} else {
6573		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6574		      phy_index++) {
6575			/* No need to initialize second phy in case of first
6576			 * phy only selection. In case of second phy, we do
6577			 * need to initialize the first phy, since they are
6578			 * connected.
6579			 */
6580			if (params->phy[phy_index].supported &
6581			    SUPPORTED_FIBRE)
6582				vars->link_status |= LINK_STATUS_SERDES_LINK;
6583
6584			if (phy_index == EXT_PHY2 &&
6585			    (bnx2x_phy_selection(params) ==
6586			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6587				DP(NETIF_MSG_LINK,
6588				   "Not initializing second phy\n");
6589				continue;
6590			}
6591			params->phy[phy_index].config_init(
6592				&params->phy[phy_index],
6593				params, vars);
6594		}
6595	}
6596	/* Reset the interrupt indication after phy was initialized */
6597	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6598		       params->port*4,
6599		       (NIG_STATUS_XGXS0_LINK10G |
6600			NIG_STATUS_XGXS0_LINK_STATUS |
6601			NIG_STATUS_SERDES0_LINK_STATUS |
6602			NIG_MASK_MI_INT));
6603	return 0;
6604}
6605
6606static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6607				 struct link_params *params)
6608{
6609	/* Reset the SerDes/XGXS */
6610	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6611	       (0x1ff << (params->port*16)));
6612}
6613
6614static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6615					struct link_params *params)
6616{
6617	struct bnx2x *bp = params->bp;
6618	u8 gpio_port;
6619	/* HW reset */
6620	if (CHIP_IS_E2(bp))
6621		gpio_port = BP_PATH(bp);
6622	else
6623		gpio_port = params->port;
6624	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6625		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6626		       gpio_port);
6627	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6628		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
6629		       gpio_port);
6630	DP(NETIF_MSG_LINK, "reset external PHY\n");
6631}
6632
6633static int bnx2x_update_link_down(struct link_params *params,
6634				  struct link_vars *vars)
6635{
6636	struct bnx2x *bp = params->bp;
6637	u8 port = params->port;
6638
6639	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6640	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6641	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6642	/* Indicate no mac active */
6643	vars->mac_type = MAC_TYPE_NONE;
6644
6645	/* Update shared memory */
6646	vars->link_status &= ~LINK_UPDATE_MASK;
6647	vars->line_speed = 0;
6648	bnx2x_update_mng(params, vars->link_status);
6649
6650	/* Activate nig drain */
6651	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6652
6653	/* Disable emac */
6654	if (!CHIP_IS_E3(bp))
6655		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6656
6657	usleep_range(10000, 20000);
6658	/* Reset BigMac/Xmac */
6659	if (CHIP_IS_E1x(bp) ||
6660	    CHIP_IS_E2(bp))
6661		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6662
6663	if (CHIP_IS_E3(bp)) {
6664		/* Prevent LPI Generation by chip */
6665		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6666		       0);
6667		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6668		       0);
6669		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6670				      SHMEM_EEE_ACTIVE_BIT);
6671
6672		bnx2x_update_mng_eee(params, vars->eee_status);
6673		bnx2x_set_xmac_rxtx(params, 0);
6674		bnx2x_set_umac_rxtx(params, 0);
6675	}
6676
6677	return 0;
6678}
6679
6680static int bnx2x_update_link_up(struct link_params *params,
6681				struct link_vars *vars,
6682				u8 link_10g)
6683{
6684	struct bnx2x *bp = params->bp;
6685	u8 phy_idx, port = params->port;
6686	int rc = 0;
6687
6688	vars->link_status |= (LINK_STATUS_LINK_UP |
6689			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6690	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6691
6692	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6693		vars->link_status |=
6694			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6695
6696	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6697		vars->link_status |=
6698			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6699	if (USES_WARPCORE(bp)) {
6700		if (link_10g) {
6701			if (bnx2x_xmac_enable(params, vars, 0) ==
6702			    -ESRCH) {
6703				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6704				vars->link_up = 0;
6705				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6706				vars->link_status &= ~LINK_STATUS_LINK_UP;
6707			}
6708		} else
6709			bnx2x_umac_enable(params, vars, 0);
6710		bnx2x_set_led(params, vars,
6711			      LED_MODE_OPER, vars->line_speed);
6712
6713		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6714		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6715			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6716			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6717			       (params->port << 2), 1);
6718			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6719			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6720			       (params->port << 2), 0xfc20);
6721		}
6722	}
6723	if ((CHIP_IS_E1x(bp) ||
6724	     CHIP_IS_E2(bp))) {
6725		if (link_10g) {
6726			if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6727			    -ESRCH) {
6728				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6729				vars->link_up = 0;
6730				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6731				vars->link_status &= ~LINK_STATUS_LINK_UP;
6732			}
6733
6734			bnx2x_set_led(params, vars,
6735				      LED_MODE_OPER, SPEED_10000);
6736		} else {
6737			rc = bnx2x_emac_program(params, vars);
6738			bnx2x_emac_enable(params, vars, 0);
6739
6740			/* AN complete? */
6741			if ((vars->link_status &
6742			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6743			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6744			    SINGLE_MEDIA_DIRECT(params))
6745				bnx2x_set_gmii_tx_driver(params);
6746		}
6747	}
6748
6749	/* PBF - link up */
6750	if (CHIP_IS_E1x(bp))
6751		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6752				       vars->line_speed);
6753
6754	/* Disable drain */
6755	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6756
6757	/* Update shared memory */
6758	bnx2x_update_mng(params, vars->link_status);
6759	bnx2x_update_mng_eee(params, vars->eee_status);
6760	/* Check remote fault */
6761	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6762		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6763			bnx2x_check_half_open_conn(params, vars, 0);
6764			break;
6765		}
6766	}
6767	msleep(20);
6768	return rc;
6769}
6770
6771static void bnx2x_chng_link_count(struct link_params *params, bool clear)
6772{
6773	struct bnx2x *bp = params->bp;
6774	u32 addr, val;
6775
6776	/* Verify the link_change_count is supported by the MFW */
6777	if (!(SHMEM2_HAS(bp, link_change_count)))
6778		return;
6779
6780	addr = params->shmem2_base +
6781		offsetof(struct shmem2_region, link_change_count[params->port]);
6782	if (clear)
6783		val = 0;
6784	else
6785		val = REG_RD(bp, addr) + 1;
6786	REG_WR(bp, addr, val);
6787}
6788
6789/* The bnx2x_link_update function should be called upon link
6790 * interrupt.
6791 * Link is considered up as follows:
6792 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6793 *   to be up
6794 * - SINGLE_MEDIA - The link between the 577xx and the external
6795 *   phy (XGXS) need to up as well as the external link of the
6796 *   phy (PHY_EXT1)
6797 * - DUAL_MEDIA - The link between the 577xx and the first
6798 *   external phy needs to be up, and at least one of the 2
6799 *   external phy link must be up.
6800 */
6801int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6802{
6803	struct bnx2x *bp = params->bp;
6804	struct link_vars phy_vars[MAX_PHYS];
6805	u8 port = params->port;
6806	u8 link_10g_plus, phy_index;
6807	u32 prev_link_status = vars->link_status;
6808	u8 ext_phy_link_up = 0, cur_link_up;
6809	int rc = 0;
6810	u8 is_mi_int = 0;
6811	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6812	u8 active_external_phy = INT_PHY;
6813	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6814	vars->link_status &= ~LINK_UPDATE_MASK;
6815	for (phy_index = INT_PHY; phy_index < params->num_phys;
6816	      phy_index++) {
6817		phy_vars[phy_index].flow_ctrl = 0;
6818		phy_vars[phy_index].link_status = 0;
6819		phy_vars[phy_index].line_speed = 0;
6820		phy_vars[phy_index].duplex = DUPLEX_FULL;
6821		phy_vars[phy_index].phy_link_up = 0;
6822		phy_vars[phy_index].link_up = 0;
6823		phy_vars[phy_index].fault_detected = 0;
6824		/* different consideration, since vars holds inner state */
6825		phy_vars[phy_index].eee_status = vars->eee_status;
6826	}
6827
6828	if (USES_WARPCORE(bp))
6829		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6830
6831	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6832		 port, (vars->phy_flags & PHY_XGXS_FLAG),
6833		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6834
6835	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6836				port*0x18) > 0);
6837	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6838		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6839		 is_mi_int,
6840		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6841
6842	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6843	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6844	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6845
6846	/* Disable emac */
6847	if (!CHIP_IS_E3(bp))
6848		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6849
6850	/* Step 1:
6851	 * Check external link change only for external phys, and apply
6852	 * priority selection between them in case the link on both phys
6853	 * is up. Note that instead of the common vars, a temporary
6854	 * vars argument is used since each phy may have different link/
6855	 * speed/duplex result
6856	 */
6857	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6858	      phy_index++) {
6859		struct bnx2x_phy *phy = &params->phy[phy_index];
6860		if (!phy->read_status)
6861			continue;
6862		/* Read link status and params of this ext phy */
6863		cur_link_up = phy->read_status(phy, params,
6864					       &phy_vars[phy_index]);
6865		if (cur_link_up) {
6866			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6867				   phy_index);
6868		} else {
6869			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6870				   phy_index);
6871			continue;
6872		}
6873
6874		if (!ext_phy_link_up) {
6875			ext_phy_link_up = 1;
6876			active_external_phy = phy_index;
6877		} else {
6878			switch (bnx2x_phy_selection(params)) {
6879			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6880			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6881			/* In this option, the first PHY makes sure to pass the
6882			 * traffic through itself only.
6883			 * It's not clear how to reset the link on the second
6884			 * phy.
6885			 */
6886				active_external_phy = EXT_PHY1;
6887				break;
6888			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6889			/* In this option, the first PHY makes sure to pass the
6890			 * traffic through the second PHY.
6891			 */
6892				active_external_phy = EXT_PHY2;
6893				break;
6894			default:
6895			/* Link indication on both PHYs with the following cases
6896			 * is invalid:
6897			 * - FIRST_PHY means that second phy wasn't initialized,
6898			 * hence its link is expected to be down
6899			 * - SECOND_PHY means that first phy should not be able
6900			 * to link up by itself (using configuration)
6901			 * - DEFAULT should be overridden during initialization
6902			 */
6903				DP(NETIF_MSG_LINK, "Invalid link indication"
6904					   "mpc=0x%x. DISABLING LINK !!!\n",
6905					   params->multi_phy_config);
6906				ext_phy_link_up = 0;
6907				break;
6908			}
6909		}
6910	}
6911	prev_line_speed = vars->line_speed;
6912	/* Step 2:
6913	 * Read the status of the internal phy. In case of
6914	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6915	 * otherwise this is the link between the 577xx and the first
6916	 * external phy
6917	 */
6918	if (params->phy[INT_PHY].read_status)
6919		params->phy[INT_PHY].read_status(
6920			&params->phy[INT_PHY],
6921			params, vars);
6922	/* The INT_PHY flow control reside in the vars. This include the
6923	 * case where the speed or flow control are not set to AUTO.
6924	 * Otherwise, the active external phy flow control result is set
6925	 * to the vars. The ext_phy_line_speed is needed to check if the
6926	 * speed is different between the internal phy and external phy.
6927	 * This case may be result of intermediate link speed change.
6928	 */
6929	if (active_external_phy > INT_PHY) {
6930		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6931		/* Link speed is taken from the XGXS. AN and FC result from
6932		 * the external phy.
6933		 */
6934		vars->link_status |= phy_vars[active_external_phy].link_status;
6935
6936		/* if active_external_phy is first PHY and link is up - disable
6937		 * disable TX on second external PHY
6938		 */
6939		if (active_external_phy == EXT_PHY1) {
6940			if (params->phy[EXT_PHY2].phy_specific_func) {
6941				DP(NETIF_MSG_LINK,
6942				   "Disabling TX on EXT_PHY2\n");
6943				params->phy[EXT_PHY2].phy_specific_func(
6944					&params->phy[EXT_PHY2],
6945					params, DISABLE_TX);
6946			}
6947		}
6948
6949		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6950		vars->duplex = phy_vars[active_external_phy].duplex;
6951		if (params->phy[active_external_phy].supported &
6952		    SUPPORTED_FIBRE)
6953			vars->link_status |= LINK_STATUS_SERDES_LINK;
6954		else
6955			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6956
6957		vars->eee_status = phy_vars[active_external_phy].eee_status;
6958
6959		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6960			   active_external_phy);
6961	}
6962
6963	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6964	      phy_index++) {
6965		if (params->phy[phy_index].flags &
6966		    FLAGS_REARM_LATCH_SIGNAL) {
6967			bnx2x_rearm_latch_signal(bp, port,
6968						 phy_index ==
6969						 active_external_phy);
6970			break;
6971		}
6972	}
6973	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6974		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6975		   vars->link_status, ext_phy_line_speed);
6976	/* Upon link speed change set the NIG into drain mode. Comes to
6977	 * deals with possible FIFO glitch due to clk change when speed
6978	 * is decreased without link down indicator
6979	 */
6980
6981	if (vars->phy_link_up) {
6982		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6983		    (ext_phy_line_speed != vars->line_speed)) {
6984			DP(NETIF_MSG_LINK, "Internal link speed %d is"
6985				   " different than the external"
6986				   " link speed %d\n", vars->line_speed,
6987				   ext_phy_line_speed);
6988			vars->phy_link_up = 0;
6989		} else if (prev_line_speed != vars->line_speed) {
6990			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6991			       0);
6992			usleep_range(1000, 2000);
6993		}
6994	}
6995
6996	/* Anything 10 and over uses the bmac */
6997	link_10g_plus = (vars->line_speed >= SPEED_10000);
6998
6999	bnx2x_link_int_ack(params, vars, link_10g_plus);
7000
7001	/* In case external phy link is up, and internal link is down
7002	 * (not initialized yet probably after link initialization, it
7003	 * needs to be initialized.
7004	 * Note that after link down-up as result of cable plug, the xgxs
7005	 * link would probably become up again without the need
7006	 * initialize it
7007	 */
7008	if (!(SINGLE_MEDIA_DIRECT(params))) {
7009		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
7010			   " init_preceding = %d\n", ext_phy_link_up,
7011			   vars->phy_link_up,
7012			   params->phy[EXT_PHY1].flags &
7013			   FLAGS_INIT_XGXS_FIRST);
7014		if (!(params->phy[EXT_PHY1].flags &
7015		      FLAGS_INIT_XGXS_FIRST)
7016		    && ext_phy_link_up && !vars->phy_link_up) {
7017			vars->line_speed = ext_phy_line_speed;
7018			if (vars->line_speed < SPEED_1000)
7019				vars->phy_flags |= PHY_SGMII_FLAG;
7020			else
7021				vars->phy_flags &= ~PHY_SGMII_FLAG;
7022
7023			if (params->phy[INT_PHY].config_init)
7024				params->phy[INT_PHY].config_init(
7025					&params->phy[INT_PHY], params,
7026						vars);
7027		}
7028	}
7029	/* Link is up only if both local phy and external phy (in case of
7030	 * non-direct board) are up and no fault detected on active PHY.
7031	 */
7032	vars->link_up = (vars->phy_link_up &&
7033			 (ext_phy_link_up ||
7034			  SINGLE_MEDIA_DIRECT(params)) &&
7035			 (phy_vars[active_external_phy].fault_detected == 0));
7036
7037	/* Update the PFC configuration in case it was changed */
7038	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
7039		vars->link_status |= LINK_STATUS_PFC_ENABLED;
7040	else
7041		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7042
7043	if (vars->link_up)
7044		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
7045	else
7046		rc = bnx2x_update_link_down(params, vars);
7047
7048	if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
7049		bnx2x_chng_link_count(params, false);
7050
7051	/* Update MCP link status was changed */
7052	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7053		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7054
7055	return rc;
7056}
7057
7058/*****************************************************************************/
7059/*			    External Phy section			     */
7060/*****************************************************************************/
7061void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7062{
7063	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7064		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7065	usleep_range(1000, 2000);
7066	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7067		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7068}
7069
7070static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7071				      u32 spirom_ver, u32 ver_addr)
7072{
7073	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7074		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7075
7076	if (ver_addr)
7077		REG_WR(bp, ver_addr, spirom_ver);
7078}
7079
7080static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7081				      struct bnx2x_phy *phy,
7082				      u8 port)
7083{
7084	u16 fw_ver1, fw_ver2;
7085
7086	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7087			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7088	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7089			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7090	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7091				  phy->ver_addr);
7092}
7093
7094static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7095				       struct bnx2x_phy *phy,
7096				       struct link_vars *vars)
7097{
7098	u16 val;
7099	bnx2x_cl45_read(bp, phy,
7100			MDIO_AN_DEVAD,
7101			MDIO_AN_REG_STATUS, &val);
7102	bnx2x_cl45_read(bp, phy,
7103			MDIO_AN_DEVAD,
7104			MDIO_AN_REG_STATUS, &val);
7105	if (val & (1<<5))
7106		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7107	if ((val & (1<<0)) == 0)
7108		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7109}
7110
7111/******************************************************************/
7112/*		common BCM8073/BCM8727 PHY SECTION		  */
7113/******************************************************************/
7114static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7115				  struct link_params *params,
7116				  struct link_vars *vars)
7117{
7118	struct bnx2x *bp = params->bp;
7119	if (phy->req_line_speed == SPEED_10 ||
7120	    phy->req_line_speed == SPEED_100) {
7121		vars->flow_ctrl = phy->req_flow_ctrl;
7122		return;
7123	}
7124
7125	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7126	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7127		u16 pause_result;
7128		u16 ld_pause;		/* local */
7129		u16 lp_pause;		/* link partner */
7130		bnx2x_cl45_read(bp, phy,
7131				MDIO_AN_DEVAD,
7132				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7133
7134		bnx2x_cl45_read(bp, phy,
7135				MDIO_AN_DEVAD,
7136				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7137		pause_result = (ld_pause &
7138				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7139		pause_result |= (lp_pause &
7140				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7141
7142		bnx2x_pause_resolve(phy, params, vars, pause_result);
7143		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7144			   pause_result);
7145	}
7146}
7147static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7148					     struct bnx2x_phy *phy,
7149					     u8 port)
7150{
7151	u32 count = 0;
7152	u16 fw_ver1, fw_msgout;
7153	int rc = 0;
7154
7155	/* Boot port from external ROM  */
7156	/* EDC grst */
7157	bnx2x_cl45_write(bp, phy,
7158			 MDIO_PMA_DEVAD,
7159			 MDIO_PMA_REG_GEN_CTRL,
7160			 0x0001);
7161
7162	/* Ucode reboot and rst */
7163	bnx2x_cl45_write(bp, phy,
7164			 MDIO_PMA_DEVAD,
7165			 MDIO_PMA_REG_GEN_CTRL,
7166			 0x008c);
7167
7168	bnx2x_cl45_write(bp, phy,
7169			 MDIO_PMA_DEVAD,
7170			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7171
7172	/* Reset internal microprocessor */
7173	bnx2x_cl45_write(bp, phy,
7174			 MDIO_PMA_DEVAD,
7175			 MDIO_PMA_REG_GEN_CTRL,
7176			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7177
7178	/* Release srst bit */
7179	bnx2x_cl45_write(bp, phy,
7180			 MDIO_PMA_DEVAD,
7181			 MDIO_PMA_REG_GEN_CTRL,
7182			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7183
7184	/* Delay 100ms per the PHY specifications */
7185	msleep(100);
7186
7187	/* 8073 sometimes taking longer to download */
7188	do {
7189		count++;
7190		if (count > 300) {
7191			DP(NETIF_MSG_LINK,
7192				 "bnx2x_8073_8727_external_rom_boot port %x:"
7193				 "Download failed. fw version = 0x%x\n",
7194				 port, fw_ver1);
7195			rc = -EINVAL;
7196			break;
7197		}
7198
7199		bnx2x_cl45_read(bp, phy,
7200				MDIO_PMA_DEVAD,
7201				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7202		bnx2x_cl45_read(bp, phy,
7203				MDIO_PMA_DEVAD,
7204				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7205
7206		usleep_range(1000, 2000);
7207	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7208			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7209			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7210
7211	/* Clear ser_boot_ctl bit */
7212	bnx2x_cl45_write(bp, phy,
7213			 MDIO_PMA_DEVAD,
7214			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7215	bnx2x_save_bcm_spirom_ver(bp, phy, port);
7216
7217	DP(NETIF_MSG_LINK,
7218		 "bnx2x_8073_8727_external_rom_boot port %x:"
7219		 "Download complete. fw version = 0x%x\n",
7220		 port, fw_ver1);
7221
7222	return rc;
7223}
7224
7225/******************************************************************/
7226/*			BCM8073 PHY SECTION			  */
7227/******************************************************************/
7228static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7229{
7230	/* This is only required for 8073A1, version 102 only */
7231	u16 val;
7232
7233	/* Read 8073 HW revision*/
7234	bnx2x_cl45_read(bp, phy,
7235			MDIO_PMA_DEVAD,
7236			MDIO_PMA_REG_8073_CHIP_REV, &val);
7237
7238	if (val != 1) {
7239		/* No need to workaround in 8073 A1 */
7240		return 0;
7241	}
7242
7243	bnx2x_cl45_read(bp, phy,
7244			MDIO_PMA_DEVAD,
7245			MDIO_PMA_REG_ROM_VER2, &val);
7246
7247	/* SNR should be applied only for version 0x102 */
7248	if (val != 0x102)
7249		return 0;
7250
7251	return 1;
7252}
7253
7254static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7255{
7256	u16 val, cnt, cnt1 ;
7257
7258	bnx2x_cl45_read(bp, phy,
7259			MDIO_PMA_DEVAD,
7260			MDIO_PMA_REG_8073_CHIP_REV, &val);
7261
7262	if (val > 0) {
7263		/* No need to workaround in 8073 A1 */
7264		return 0;
7265	}
7266	/* XAUI workaround in 8073 A0: */
7267
7268	/* After loading the boot ROM and restarting Autoneg, poll
7269	 * Dev1, Reg $C820:
7270	 */
7271
7272	for (cnt = 0; cnt < 1000; cnt++) {
7273		bnx2x_cl45_read(bp, phy,
7274				MDIO_PMA_DEVAD,
7275				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7276				&val);
7277		  /* If bit [14] = 0 or bit [13] = 0, continue on with
7278		   * system initialization (XAUI work-around not required, as
7279		   * these bits indicate 2.5G or 1G link up).
7280		   */
7281		if (!(val & (1<<14)) || !(val & (1<<13))) {
7282			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7283			return 0;
7284		} else if (!(val & (1<<15))) {
7285			DP(NETIF_MSG_LINK, "bit 15 went off\n");
7286			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7287			 * MSB (bit15) goes to 1 (indicating that the XAUI
7288			 * workaround has completed), then continue on with
7289			 * system initialization.
7290			 */
7291			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7292				bnx2x_cl45_read(bp, phy,
7293					MDIO_PMA_DEVAD,
7294					MDIO_PMA_REG_8073_XAUI_WA, &val);
7295				if (val & (1<<15)) {
7296					DP(NETIF_MSG_LINK,
7297					  "XAUI workaround has completed\n");
7298					return 0;
7299				}
7300				usleep_range(3000, 6000);
7301			}
7302			break;
7303		}
7304		usleep_range(3000, 6000);
7305	}
7306	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7307	return -EINVAL;
7308}
7309
7310static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7311{
7312	/* Force KR or KX */
7313	bnx2x_cl45_write(bp, phy,
7314			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7315	bnx2x_cl45_write(bp, phy,
7316			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7317	bnx2x_cl45_write(bp, phy,
7318			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7319	bnx2x_cl45_write(bp, phy,
7320			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7321}
7322
7323static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7324				      struct bnx2x_phy *phy,
7325				      struct link_vars *vars)
7326{
7327	u16 cl37_val;
7328	struct bnx2x *bp = params->bp;
7329	bnx2x_cl45_read(bp, phy,
7330			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7331
7332	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7333	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7334	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7335	if ((vars->ieee_fc &
7336	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7337	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7338		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7339	}
7340	if ((vars->ieee_fc &
7341	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7342	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7343		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7344	}
7345	if ((vars->ieee_fc &
7346	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7347	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7348		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7349	}
7350	DP(NETIF_MSG_LINK,
7351		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7352
7353	bnx2x_cl45_write(bp, phy,
7354			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7355	msleep(500);
7356}
7357
7358static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7359				     struct link_params *params,
7360				     u32 action)
7361{
7362	struct bnx2x *bp = params->bp;
7363	switch (action) {
7364	case PHY_INIT:
7365		/* Enable LASI */
7366		bnx2x_cl45_write(bp, phy,
7367				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7368		bnx2x_cl45_write(bp, phy,
7369				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7370		break;
7371	}
7372}
7373
7374static void bnx2x_8073_config_init(struct bnx2x_phy *phy,
7375				   struct link_params *params,
7376				   struct link_vars *vars)
7377{
7378	struct bnx2x *bp = params->bp;
7379	u16 val = 0, tmp1;
7380	u8 gpio_port;
7381	DP(NETIF_MSG_LINK, "Init 8073\n");
7382
7383	if (CHIP_IS_E2(bp))
7384		gpio_port = BP_PATH(bp);
7385	else
7386		gpio_port = params->port;
7387	/* Restore normal power mode*/
7388	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7389		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7390
7391	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7392		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7393
7394	bnx2x_8073_specific_func(phy, params, PHY_INIT);
7395	bnx2x_8073_set_pause_cl37(params, phy, vars);
7396
7397	bnx2x_cl45_read(bp, phy,
7398			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7399
7400	bnx2x_cl45_read(bp, phy,
7401			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7402
7403	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7404
7405	/* Swap polarity if required - Must be done only in non-1G mode */
7406	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7407		/* Configure the 8073 to swap _P and _N of the KR lines */
7408		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7409		/* 10G Rx/Tx and 1G Tx signal polarity swap */
7410		bnx2x_cl45_read(bp, phy,
7411				MDIO_PMA_DEVAD,
7412				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7413		bnx2x_cl45_write(bp, phy,
7414				 MDIO_PMA_DEVAD,
7415				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7416				 (val | (3<<9)));
7417	}
7418
7419
7420	/* Enable CL37 BAM */
7421	if (REG_RD(bp, params->shmem_base +
7422			 offsetof(struct shmem_region, dev_info.
7423				  port_hw_config[params->port].default_cfg)) &
7424	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7425
7426		bnx2x_cl45_read(bp, phy,
7427				MDIO_AN_DEVAD,
7428				MDIO_AN_REG_8073_BAM, &val);
7429		bnx2x_cl45_write(bp, phy,
7430				 MDIO_AN_DEVAD,
7431				 MDIO_AN_REG_8073_BAM, val | 1);
7432		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7433	}
7434	if (params->loopback_mode == LOOPBACK_EXT) {
7435		bnx2x_807x_force_10G(bp, phy);
7436		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7437		return;
7438	} else {
7439		bnx2x_cl45_write(bp, phy,
7440				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7441	}
7442	if (phy->req_line_speed != SPEED_AUTO_NEG) {
7443		if (phy->req_line_speed == SPEED_10000) {
7444			val = (1<<7);
7445		} else if (phy->req_line_speed ==  SPEED_2500) {
7446			val = (1<<5);
7447			/* Note that 2.5G works only when used with 1G
7448			 * advertisement
7449			 */
7450		} else
7451			val = (1<<5);
7452	} else {
7453		val = 0;
7454		if (phy->speed_cap_mask &
7455			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7456			val |= (1<<7);
7457
7458		/* Note that 2.5G works only when used with 1G advertisement */
7459		if (phy->speed_cap_mask &
7460			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7461			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7462			val |= (1<<5);
7463		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7464	}
7465
7466	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7467	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7468
7469	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7470	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7471	    (phy->req_line_speed == SPEED_2500)) {
7472		u16 phy_ver;
7473		/* Allow 2.5G for A1 and above */
7474		bnx2x_cl45_read(bp, phy,
7475				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7476				&phy_ver);
7477		DP(NETIF_MSG_LINK, "Add 2.5G\n");
7478		if (phy_ver > 0)
7479			tmp1 |= 1;
7480		else
7481			tmp1 &= 0xfffe;
7482	} else {
7483		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7484		tmp1 &= 0xfffe;
7485	}
7486
7487	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7488	/* Add support for CL37 (passive mode) II */
7489
7490	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7491	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7492			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7493				  0x20 : 0x40)));
7494
7495	/* Add support for CL37 (passive mode) III */
7496	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7497
7498	/* The SNR will improve about 2db by changing BW and FEE main
7499	 * tap. Rest commands are executed after link is up
7500	 * Change FFE main cursor to 5 in EDC register
7501	 */
7502	if (bnx2x_8073_is_snr_needed(bp, phy))
7503		bnx2x_cl45_write(bp, phy,
7504				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7505				 0xFB0C);
7506
7507	/* Enable FEC (Forware Error Correction) Request in the AN */
7508	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7509	tmp1 |= (1<<15);
7510	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7511
7512	bnx2x_ext_phy_set_pause(params, phy, vars);
7513
7514	/* Restart autoneg */
7515	msleep(500);
7516	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7517	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7518		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7519}
7520
7521static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7522				 struct link_params *params,
7523				 struct link_vars *vars)
7524{
7525	struct bnx2x *bp = params->bp;
7526	u8 link_up = 0;
7527	u16 val1, val2;
7528	u16 link_status = 0;
7529	u16 an1000_status = 0;
7530
7531	bnx2x_cl45_read(bp, phy,
7532			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7533
7534	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7535
7536	/* Clear the interrupt LASI status register */
7537	bnx2x_cl45_read(bp, phy,
7538			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7539	bnx2x_cl45_read(bp, phy,
7540			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7541	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7542	/* Clear MSG-OUT */
7543	bnx2x_cl45_read(bp, phy,
7544			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7545
7546	/* Check the LASI */
7547	bnx2x_cl45_read(bp, phy,
7548			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7549
7550	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7551
7552	/* Check the link status */
7553	bnx2x_cl45_read(bp, phy,
7554			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7555	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7556
7557	bnx2x_cl45_read(bp, phy,
7558			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7559	bnx2x_cl45_read(bp, phy,
7560			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7561	link_up = ((val1 & 4) == 4);
7562	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7563
7564	if (link_up &&
7565	     ((phy->req_line_speed != SPEED_10000))) {
7566		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7567			return 0;
7568	}
7569	bnx2x_cl45_read(bp, phy,
7570			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7571	bnx2x_cl45_read(bp, phy,
7572			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7573
7574	/* Check the link status on 1.1.2 */
7575	bnx2x_cl45_read(bp, phy,
7576			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7577	bnx2x_cl45_read(bp, phy,
7578			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7579	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7580		   "an_link_status=0x%x\n", val2, val1, an1000_status);
7581
7582	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7583	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7584		/* The SNR will improve about 2dbby changing the BW and FEE main
7585		 * tap. The 1st write to change FFE main tap is set before
7586		 * restart AN. Change PLL Bandwidth in EDC register
7587		 */
7588		bnx2x_cl45_write(bp, phy,
7589				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7590				 0x26BC);
7591
7592		/* Change CDR Bandwidth in EDC register */
7593		bnx2x_cl45_write(bp, phy,
7594				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7595				 0x0333);
7596	}
7597	bnx2x_cl45_read(bp, phy,
7598			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7599			&link_status);
7600
7601	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7602	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7603		link_up = 1;
7604		vars->line_speed = SPEED_10000;
7605		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7606			   params->port);
7607	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7608		link_up = 1;
7609		vars->line_speed = SPEED_2500;
7610		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7611			   params->port);
7612	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7613		link_up = 1;
7614		vars->line_speed = SPEED_1000;
7615		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7616			   params->port);
7617	} else {
7618		link_up = 0;
7619		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7620			   params->port);
7621	}
7622
7623	if (link_up) {
7624		/* Swap polarity if required */
7625		if (params->lane_config &
7626		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7627			/* Configure the 8073 to swap P and N of the KR lines */
7628			bnx2x_cl45_read(bp, phy,
7629					MDIO_XS_DEVAD,
7630					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7631			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7632			 * when it`s in 10G mode.
7633			 */
7634			if (vars->line_speed == SPEED_1000) {
7635				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7636					      "the 8073\n");
7637				val1 |= (1<<3);
7638			} else
7639				val1 &= ~(1<<3);
7640
7641			bnx2x_cl45_write(bp, phy,
7642					 MDIO_XS_DEVAD,
7643					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7644					 val1);
7645		}
7646		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7647		bnx2x_8073_resolve_fc(phy, params, vars);
7648		vars->duplex = DUPLEX_FULL;
7649	}
7650
7651	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7652		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7653				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7654
7655		if (val1 & (1<<5))
7656			vars->link_status |=
7657				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7658		if (val1 & (1<<7))
7659			vars->link_status |=
7660				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7661	}
7662
7663	return link_up;
7664}
7665
7666static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7667				  struct link_params *params)
7668{
7669	struct bnx2x *bp = params->bp;
7670	u8 gpio_port;
7671	if (CHIP_IS_E2(bp))
7672		gpio_port = BP_PATH(bp);
7673	else
7674		gpio_port = params->port;
7675	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7676	   gpio_port);
7677	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7678		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7679		       gpio_port);
7680}
7681
7682/******************************************************************/
7683/*			BCM8705 PHY SECTION			  */
7684/******************************************************************/
7685static void bnx2x_8705_config_init(struct bnx2x_phy *phy,
7686				   struct link_params *params,
7687				   struct link_vars *vars)
7688{
7689	struct bnx2x *bp = params->bp;
7690	DP(NETIF_MSG_LINK, "init 8705\n");
7691	/* Restore normal power mode*/
7692	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7693		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7694	/* HW reset */
7695	bnx2x_ext_phy_hw_reset(bp, params->port);
7696	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7697	bnx2x_wait_reset_complete(bp, phy, params);
7698
7699	bnx2x_cl45_write(bp, phy,
7700			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7701	bnx2x_cl45_write(bp, phy,
7702			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7703	bnx2x_cl45_write(bp, phy,
7704			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7705	bnx2x_cl45_write(bp, phy,
7706			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7707	/* BCM8705 doesn't have microcode, hence the 0 */
7708	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7709}
7710
7711static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7712				 struct link_params *params,
7713				 struct link_vars *vars)
7714{
7715	u8 link_up = 0;
7716	u16 val1, rx_sd;
7717	struct bnx2x *bp = params->bp;
7718	DP(NETIF_MSG_LINK, "read status 8705\n");
7719	bnx2x_cl45_read(bp, phy,
7720		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7721	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7722
7723	bnx2x_cl45_read(bp, phy,
7724		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7725	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7726
7727	bnx2x_cl45_read(bp, phy,
7728		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7729
7730	bnx2x_cl45_read(bp, phy,
7731		      MDIO_PMA_DEVAD, 0xc809, &val1);
7732	bnx2x_cl45_read(bp, phy,
7733		      MDIO_PMA_DEVAD, 0xc809, &val1);
7734
7735	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7736	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7737	if (link_up) {
7738		vars->line_speed = SPEED_10000;
7739		bnx2x_ext_phy_resolve_fc(phy, params, vars);
7740	}
7741	return link_up;
7742}
7743
7744/******************************************************************/
7745/*			SFP+ module Section			  */
7746/******************************************************************/
7747static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7748					   struct bnx2x_phy *phy,
7749					   u8 pmd_dis)
7750{
7751	struct bnx2x *bp = params->bp;
7752	/* Disable transmitter only for bootcodes which can enable it afterwards
7753	 * (for D3 link)
7754	 */
7755	if (pmd_dis) {
7756		if (params->feature_config_flags &
7757		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7758			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7759		else {
7760			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7761			return;
7762		}
7763	} else
7764		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7765	bnx2x_cl45_write(bp, phy,
7766			 MDIO_PMA_DEVAD,
7767			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7768}
7769
7770static u8 bnx2x_get_gpio_port(struct link_params *params)
7771{
7772	u8 gpio_port;
7773	u32 swap_val, swap_override;
7774	struct bnx2x *bp = params->bp;
7775	if (CHIP_IS_E2(bp))
7776		gpio_port = BP_PATH(bp);
7777	else
7778		gpio_port = params->port;
7779	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7780	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7781	return gpio_port ^ (swap_val && swap_override);
7782}
7783
7784static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7785					   struct bnx2x_phy *phy,
7786					   u8 tx_en)
7787{
7788	u16 val;
7789	u8 port = params->port;
7790	struct bnx2x *bp = params->bp;
7791	u32 tx_en_mode;
7792
7793	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7794	tx_en_mode = REG_RD(bp, params->shmem_base +
7795			    offsetof(struct shmem_region,
7796				     dev_info.port_hw_config[port].sfp_ctrl)) &
7797		PORT_HW_CFG_TX_LASER_MASK;
7798	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7799			   "mode = %x\n", tx_en, port, tx_en_mode);
7800	switch (tx_en_mode) {
7801	case PORT_HW_CFG_TX_LASER_MDIO:
7802
7803		bnx2x_cl45_read(bp, phy,
7804				MDIO_PMA_DEVAD,
7805				MDIO_PMA_REG_PHY_IDENTIFIER,
7806				&val);
7807
7808		if (tx_en)
7809			val &= ~(1<<15);
7810		else
7811			val |= (1<<15);
7812
7813		bnx2x_cl45_write(bp, phy,
7814				 MDIO_PMA_DEVAD,
7815				 MDIO_PMA_REG_PHY_IDENTIFIER,
7816				 val);
7817	break;
7818	case PORT_HW_CFG_TX_LASER_GPIO0:
7819	case PORT_HW_CFG_TX_LASER_GPIO1:
7820	case PORT_HW_CFG_TX_LASER_GPIO2:
7821	case PORT_HW_CFG_TX_LASER_GPIO3:
7822	{
7823		u16 gpio_pin;
7824		u8 gpio_port, gpio_mode;
7825		if (tx_en)
7826			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7827		else
7828			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7829
7830		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7831		gpio_port = bnx2x_get_gpio_port(params);
7832		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7833		break;
7834	}
7835	default:
7836		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7837		break;
7838	}
7839}
7840
7841static void bnx2x_sfp_set_transmitter(struct link_params *params,
7842				      struct bnx2x_phy *phy,
7843				      u8 tx_en)
7844{
7845	struct bnx2x *bp = params->bp;
7846	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7847	if (CHIP_IS_E3(bp))
7848		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7849	else
7850		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7851}
7852
7853static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7854					     struct link_params *params,
7855					     u8 dev_addr, u16 addr, u8 byte_cnt,
7856					     u8 *o_buf, u8 is_init)
7857{
7858	struct bnx2x *bp = params->bp;
7859	u16 val = 0;
7860	u16 i;
7861	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7862		DP(NETIF_MSG_LINK,
7863		   "Reading from eeprom is limited to 0xf\n");
7864		return -EINVAL;
7865	}
7866	/* Set the read command byte count */
7867	bnx2x_cl45_write(bp, phy,
7868			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7869			 (byte_cnt | (dev_addr << 8)));
7870
7871	/* Set the read command address */
7872	bnx2x_cl45_write(bp, phy,
7873			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7874			 addr);
7875
7876	/* Activate read command */
7877	bnx2x_cl45_write(bp, phy,
7878			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7879			 0x2c0f);
7880
7881	/* Wait up to 500us for command complete status */
7882	for (i = 0; i < 100; i++) {
7883		bnx2x_cl45_read(bp, phy,
7884				MDIO_PMA_DEVAD,
7885				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7886		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7887		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7888			break;
7889		udelay(5);
7890	}
7891
7892	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7893		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7894		DP(NETIF_MSG_LINK,
7895			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7896			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7897		return -EINVAL;
7898	}
7899
7900	/* Read the buffer */
7901	for (i = 0; i < byte_cnt; i++) {
7902		bnx2x_cl45_read(bp, phy,
7903				MDIO_PMA_DEVAD,
7904				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7905		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7906	}
7907
7908	for (i = 0; i < 100; i++) {
7909		bnx2x_cl45_read(bp, phy,
7910				MDIO_PMA_DEVAD,
7911				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7912		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7913		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7914			return 0;
7915		usleep_range(1000, 2000);
7916	}
7917	return -EINVAL;
7918}
7919
7920static void bnx2x_warpcore_power_module(struct link_params *params,
7921					u8 power)
7922{
7923	u32 pin_cfg;
7924	struct bnx2x *bp = params->bp;
7925
7926	pin_cfg = (REG_RD(bp, params->shmem_base +
7927			  offsetof(struct shmem_region,
7928			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7929			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7930			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7931
7932	if (pin_cfg == PIN_CFG_NA)
7933		return;
7934	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7935		       power, pin_cfg);
7936	/* Low ==> corresponding SFP+ module is powered
7937	 * high ==> the SFP+ module is powered down
7938	 */
7939	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7940}
7941static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7942						 struct link_params *params,
7943						 u8 dev_addr,
7944						 u16 addr, u8 byte_cnt,
7945						 u8 *o_buf, u8 is_init)
7946{
7947	int rc = 0;
7948	u8 i, j = 0, cnt = 0;
7949	u32 data_array[4];
7950	u16 addr32;
7951	struct bnx2x *bp = params->bp;
7952
7953	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7954		DP(NETIF_MSG_LINK,
7955		   "Reading from eeprom is limited to 16 bytes\n");
7956		return -EINVAL;
7957	}
7958
7959	/* 4 byte aligned address */
7960	addr32 = addr & (~0x3);
7961	do {
7962		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7963			bnx2x_warpcore_power_module(params, 0);
7964			/* Note that 100us are not enough here */
7965			usleep_range(1000, 2000);
7966			bnx2x_warpcore_power_module(params, 1);
7967		}
7968		rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7969				    data_array);
7970	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7971
7972	if (rc == 0) {
7973		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7974			o_buf[j] = *((u8 *)data_array + i);
7975			j++;
7976		}
7977	}
7978
7979	return rc;
7980}
7981
7982static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7983					     struct link_params *params,
7984					     u8 dev_addr, u16 addr, u8 byte_cnt,
7985					     u8 *o_buf, u8 is_init)
7986{
7987	struct bnx2x *bp = params->bp;
7988	u16 val, i;
7989
7990	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7991		DP(NETIF_MSG_LINK,
7992		   "Reading from eeprom is limited to 0xf\n");
7993		return -EINVAL;
7994	}
7995
7996	/* Set 2-wire transfer rate of SFP+ module EEPROM
7997	 * to 100Khz since some DACs(direct attached cables) do
7998	 * not work at 400Khz.
7999	 */
8000	bnx2x_cl45_write(bp, phy,
8001			 MDIO_PMA_DEVAD,
8002			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8003			 ((dev_addr << 8) | 1));
8004
8005	/* Need to read from 1.8000 to clear it */
8006	bnx2x_cl45_read(bp, phy,
8007			MDIO_PMA_DEVAD,
8008			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8009			&val);
8010
8011	/* Set the read command byte count */
8012	bnx2x_cl45_write(bp, phy,
8013			 MDIO_PMA_DEVAD,
8014			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8015			 ((byte_cnt < 2) ? 2 : byte_cnt));
8016
8017	/* Set the read command address */
8018	bnx2x_cl45_write(bp, phy,
8019			 MDIO_PMA_DEVAD,
8020			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8021			 addr);
8022	/* Set the destination address */
8023	bnx2x_cl45_write(bp, phy,
8024			 MDIO_PMA_DEVAD,
8025			 0x8004,
8026			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
8027
8028	/* Activate read command */
8029	bnx2x_cl45_write(bp, phy,
8030			 MDIO_PMA_DEVAD,
8031			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8032			 0x8002);
8033	/* Wait appropriate time for two-wire command to finish before
8034	 * polling the status register
8035	 */
8036	usleep_range(1000, 2000);
8037
8038	/* Wait up to 500us for command complete status */
8039	for (i = 0; i < 100; i++) {
8040		bnx2x_cl45_read(bp, phy,
8041				MDIO_PMA_DEVAD,
8042				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8043		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8044		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8045			break;
8046		udelay(5);
8047	}
8048
8049	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8050		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8051		DP(NETIF_MSG_LINK,
8052			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8053			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8054		return -EFAULT;
8055	}
8056
8057	/* Read the buffer */
8058	for (i = 0; i < byte_cnt; i++) {
8059		bnx2x_cl45_read(bp, phy,
8060				MDIO_PMA_DEVAD,
8061				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8062		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8063	}
8064
8065	for (i = 0; i < 100; i++) {
8066		bnx2x_cl45_read(bp, phy,
8067				MDIO_PMA_DEVAD,
8068				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8069		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8070		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8071			return 0;
8072		usleep_range(1000, 2000);
8073	}
8074
8075	return -EINVAL;
8076}
8077int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8078				 struct link_params *params, u8 dev_addr,
8079				 u16 addr, u16 byte_cnt, u8 *o_buf)
8080{
8081	int rc = 0;
8082	struct bnx2x *bp = params->bp;
8083	u8 xfer_size;
8084	u8 *user_data = o_buf;
8085	read_sfp_module_eeprom_func_p read_func;
8086
8087	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8088		DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8089		return -EINVAL;
8090	}
8091
8092	switch (phy->type) {
8093	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8094		read_func = bnx2x_8726_read_sfp_module_eeprom;
8095		break;
8096	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8097	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8098		read_func = bnx2x_8727_read_sfp_module_eeprom;
8099		break;
8100	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8101		read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8102		break;
8103	default:
8104		return -EOPNOTSUPP;
8105	}
8106
8107	while (!rc && (byte_cnt > 0)) {
8108		xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8109			SFP_EEPROM_PAGE_SIZE : byte_cnt;
8110		rc = read_func(phy, params, dev_addr, addr, xfer_size,
8111			       user_data, 0);
8112		byte_cnt -= xfer_size;
8113		user_data += xfer_size;
8114		addr += xfer_size;
8115	}
8116	return rc;
8117}
8118
8119static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8120			      struct link_params *params,
8121			      u16 *edc_mode)
8122{
8123	struct bnx2x *bp = params->bp;
8124	u32 sync_offset = 0, phy_idx, media_types;
8125	u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8126	*edc_mode = EDC_MODE_LIMITING;
8127	phy->media_type = ETH_PHY_UNSPECIFIED;
8128	/* First check for copper cable */
8129	if (bnx2x_read_sfp_module_eeprom(phy,
8130					 params,
8131					 I2C_DEV_ADDR_A0,
8132					 0,
8133					 SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8134					 (u8 *)val) != 0) {
8135		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8136		return -EINVAL;
8137	}
8138	params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8139	params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8140		LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8141	bnx2x_update_link_attr(params, params->link_attr_sync);
8142	switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
8143	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8144	{
8145		u8 copper_module_type;
8146		phy->media_type = ETH_PHY_DA_TWINAX;
8147		/* Check if its active cable (includes SFP+ module)
8148		 * of passive cable
8149		 */
8150		copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
8151
8152		if (copper_module_type &
8153		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8154			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8155			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8156				*edc_mode = EDC_MODE_ACTIVE_DAC;
8157			else
8158				check_limiting_mode = 1;
8159		} else {
8160			*edc_mode = EDC_MODE_PASSIVE_DAC;
8161			/* Even in case PASSIVE_DAC indication is not set,
8162			 * treat it as a passive DAC cable, since some cables
8163			 * don't have this indication.
8164			 */
8165			if (copper_module_type &
8166			    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8167				DP(NETIF_MSG_LINK,
8168				   "Passive Copper cable detected\n");
8169			} else {
8170				DP(NETIF_MSG_LINK,
8171				   "Unknown copper-cable-type\n");
8172			}
8173		}
8174		break;
8175	}
8176	case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8177	case SFP_EEPROM_CON_TYPE_VAL_LC:
8178	case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8179		check_limiting_mode = 1;
8180		if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
8181		     (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8182		      SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8183		       SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
8184		    (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
8185			DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8186			phy->media_type = ETH_PHY_SFP_1G_FIBER;
8187			if (phy->req_line_speed != SPEED_1000) {
8188				u8 gport = params->port;
8189				phy->req_line_speed = SPEED_1000;
8190				if (!CHIP_IS_E1x(bp)) {
8191					gport = BP_PATH(bp) +
8192					(params->port << 1);
8193				}
8194				netdev_err(bp->dev,
8195					   "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8196					   gport);
8197			}
8198			if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
8199			    SFP_EEPROM_1G_COMP_CODE_BASE_T) {
8200				bnx2x_sfp_set_transmitter(params, phy, 0);
8201				msleep(40);
8202				bnx2x_sfp_set_transmitter(params, phy, 1);
8203			}
8204		} else {
8205			int idx, cfg_idx = 0;
8206			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8207			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8208				if (params->phy[idx].type == phy->type) {
8209					cfg_idx = LINK_CONFIG_IDX(idx);
8210					break;
8211				}
8212			}
8213			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8214			phy->req_line_speed = params->req_line_speed[cfg_idx];
8215		}
8216		break;
8217	default:
8218		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8219			 val[SFP_EEPROM_CON_TYPE_ADDR]);
8220		return -EINVAL;
8221	}
8222	sync_offset = params->shmem_base +
8223		offsetof(struct shmem_region,
8224			 dev_info.port_hw_config[params->port].media_type);
8225	media_types = REG_RD(bp, sync_offset);
8226	/* Update media type for non-PMF sync */
8227	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8228		if (&(params->phy[phy_idx]) == phy) {
8229			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8230				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8231			media_types |= ((phy->media_type &
8232					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8233				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8234			break;
8235		}
8236	}
8237	REG_WR(bp, sync_offset, media_types);
8238	if (check_limiting_mode) {
8239		u8 options[SFP_EEPROM_OPTIONS_SIZE];
8240		if (bnx2x_read_sfp_module_eeprom(phy,
8241						 params,
8242						 I2C_DEV_ADDR_A0,
8243						 SFP_EEPROM_OPTIONS_ADDR,
8244						 SFP_EEPROM_OPTIONS_SIZE,
8245						 options) != 0) {
8246			DP(NETIF_MSG_LINK,
8247			   "Failed to read Option field from module EEPROM\n");
8248			return -EINVAL;
8249		}
8250		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8251			*edc_mode = EDC_MODE_LINEAR;
8252		else
8253			*edc_mode = EDC_MODE_LIMITING;
8254	}
8255	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8256	return 0;
8257}
8258/* This function read the relevant field from the module (SFP+), and verify it
8259 * is compliant with this board
8260 */
8261static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8262				   struct link_params *params)
8263{
8264	struct bnx2x *bp = params->bp;
8265	u32 val, cmd;
8266	u32 fw_resp, fw_cmd_param;
8267	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8268	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8269	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8270	val = REG_RD(bp, params->shmem_base +
8271			 offsetof(struct shmem_region, dev_info.
8272				  port_feature_config[params->port].config));
8273	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8274	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8275		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8276		return 0;
8277	}
8278
8279	if (params->feature_config_flags &
8280	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8281		/* Use specific phy request */
8282		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8283	} else if (params->feature_config_flags &
8284		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8285		/* Use first phy request only in case of non-dual media*/
8286		if (DUAL_MEDIA(params)) {
8287			DP(NETIF_MSG_LINK,
8288			   "FW does not support OPT MDL verification\n");
8289			return -EINVAL;
8290		}
8291		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8292	} else {
8293		/* No support in OPT MDL detection */
8294		DP(NETIF_MSG_LINK,
8295		   "FW does not support OPT MDL verification\n");
8296		return -EINVAL;
8297	}
8298
8299	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8300	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8301	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8302		DP(NETIF_MSG_LINK, "Approved module\n");
8303		return 0;
8304	}
8305
8306	/* Format the warning message */
8307	if (bnx2x_read_sfp_module_eeprom(phy,
8308					 params,
8309					 I2C_DEV_ADDR_A0,
8310					 SFP_EEPROM_VENDOR_NAME_ADDR,
8311					 SFP_EEPROM_VENDOR_NAME_SIZE,
8312					 (u8 *)vendor_name))
8313		vendor_name[0] = '\0';
8314	else
8315		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8316	if (bnx2x_read_sfp_module_eeprom(phy,
8317					 params,
8318					 I2C_DEV_ADDR_A0,
8319					 SFP_EEPROM_PART_NO_ADDR,
8320					 SFP_EEPROM_PART_NO_SIZE,
8321					 (u8 *)vendor_pn))
8322		vendor_pn[0] = '\0';
8323	else
8324		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8325
8326	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8327			      " Port %d from %s part number %s\n",
8328			 params->port, vendor_name, vendor_pn);
8329	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8330	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8331		phy->flags |= FLAGS_SFP_NOT_APPROVED;
8332	return -EINVAL;
8333}
8334
8335static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8336						 struct link_params *params)
8337
8338{
8339	u8 val;
8340	int rc;
8341	struct bnx2x *bp = params->bp;
8342	u16 timeout;
8343	/* Initialization time after hot-plug may take up to 300ms for
8344	 * some phys type ( e.g. JDSU )
8345	 */
8346
8347	for (timeout = 0; timeout < 60; timeout++) {
8348		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8349			rc = bnx2x_warpcore_read_sfp_module_eeprom(
8350				phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8351				1);
8352		else
8353			rc = bnx2x_read_sfp_module_eeprom(phy, params,
8354							  I2C_DEV_ADDR_A0,
8355							  1, 1, &val);
8356		if (rc == 0) {
8357			DP(NETIF_MSG_LINK,
8358			   "SFP+ module initialization took %d ms\n",
8359			   timeout * 5);
8360			return 0;
8361		}
8362		usleep_range(5000, 10000);
8363	}
8364	rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8365					  1, 1, &val);
8366	return rc;
8367}
8368
8369static void bnx2x_8727_power_module(struct bnx2x *bp,
8370				    struct bnx2x_phy *phy,
8371				    u8 is_power_up) {
8372	/* Make sure GPIOs are not using for LED mode */
8373	u16 val;
8374	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
8375	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8376	 * output
8377	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8378	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8379	 * where the 1st bit is the over-current(only input), and 2nd bit is
8380	 * for power( only output )
8381	 *
8382	 * In case of NOC feature is disabled and power is up, set GPIO control
8383	 *  as input to enable listening of over-current indication
8384	 */
8385	if (phy->flags & FLAGS_NOC)
8386		return;
8387	if (is_power_up)
8388		val = (1<<4);
8389	else
8390		/* Set GPIO control to OUTPUT, and set the power bit
8391		 * to according to the is_power_up
8392		 */
8393		val = (1<<1);
8394
8395	bnx2x_cl45_write(bp, phy,
8396			 MDIO_PMA_DEVAD,
8397			 MDIO_PMA_REG_8727_GPIO_CTRL,
8398			 val);
8399}
8400
8401static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8402					struct bnx2x_phy *phy,
8403					u16 edc_mode)
8404{
8405	u16 cur_limiting_mode;
8406
8407	bnx2x_cl45_read(bp, phy,
8408			MDIO_PMA_DEVAD,
8409			MDIO_PMA_REG_ROM_VER2,
8410			&cur_limiting_mode);
8411	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8412		 cur_limiting_mode);
8413
8414	if (edc_mode == EDC_MODE_LIMITING) {
8415		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8416		bnx2x_cl45_write(bp, phy,
8417				 MDIO_PMA_DEVAD,
8418				 MDIO_PMA_REG_ROM_VER2,
8419				 EDC_MODE_LIMITING);
8420	} else { /* LRM mode ( default )*/
8421
8422		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8423
8424		/* Changing to LRM mode takes quite few seconds. So do it only
8425		 * if current mode is limiting (default is LRM)
8426		 */
8427		if (cur_limiting_mode != EDC_MODE_LIMITING)
8428			return 0;
8429
8430		bnx2x_cl45_write(bp, phy,
8431				 MDIO_PMA_DEVAD,
8432				 MDIO_PMA_REG_LRM_MODE,
8433				 0);
8434		bnx2x_cl45_write(bp, phy,
8435				 MDIO_PMA_DEVAD,
8436				 MDIO_PMA_REG_ROM_VER2,
8437				 0x128);
8438		bnx2x_cl45_write(bp, phy,
8439				 MDIO_PMA_DEVAD,
8440				 MDIO_PMA_REG_MISC_CTRL0,
8441				 0x4008);
8442		bnx2x_cl45_write(bp, phy,
8443				 MDIO_PMA_DEVAD,
8444				 MDIO_PMA_REG_LRM_MODE,
8445				 0xaaaa);
8446	}
8447	return 0;
8448}
8449
8450static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8451					struct bnx2x_phy *phy,
8452					u16 edc_mode)
8453{
8454	u16 phy_identifier;
8455	u16 rom_ver2_val;
8456	bnx2x_cl45_read(bp, phy,
8457			MDIO_PMA_DEVAD,
8458			MDIO_PMA_REG_PHY_IDENTIFIER,
8459			&phy_identifier);
8460
8461	bnx2x_cl45_write(bp, phy,
8462			 MDIO_PMA_DEVAD,
8463			 MDIO_PMA_REG_PHY_IDENTIFIER,
8464			 (phy_identifier & ~(1<<9)));
8465
8466	bnx2x_cl45_read(bp, phy,
8467			MDIO_PMA_DEVAD,
8468			MDIO_PMA_REG_ROM_VER2,
8469			&rom_ver2_val);
8470	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8471	bnx2x_cl45_write(bp, phy,
8472			 MDIO_PMA_DEVAD,
8473			 MDIO_PMA_REG_ROM_VER2,
8474			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8475
8476	bnx2x_cl45_write(bp, phy,
8477			 MDIO_PMA_DEVAD,
8478			 MDIO_PMA_REG_PHY_IDENTIFIER,
8479			 (phy_identifier | (1<<9)));
8480
8481	return 0;
8482}
8483
8484static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8485				     struct link_params *params,
8486				     u32 action)
8487{
8488	struct bnx2x *bp = params->bp;
8489	u16 val;
8490	switch (action) {
8491	case DISABLE_TX:
8492		bnx2x_sfp_set_transmitter(params, phy, 0);
8493		break;
8494	case ENABLE_TX:
8495		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8496			bnx2x_sfp_set_transmitter(params, phy, 1);
8497		break;
8498	case PHY_INIT:
8499		bnx2x_cl45_write(bp, phy,
8500				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8501				 (1<<2) | (1<<5));
8502		bnx2x_cl45_write(bp, phy,
8503				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8504				 0);
8505		bnx2x_cl45_write(bp, phy,
8506				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8507		/* Make MOD_ABS give interrupt on change */
8508		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8509				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8510				&val);
8511		val |= (1<<12);
8512		if (phy->flags & FLAGS_NOC)
8513			val |= (3<<5);
8514		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8515		 * status which reflect SFP+ module over-current
8516		 */
8517		if (!(phy->flags & FLAGS_NOC))
8518			val &= 0xff8f; /* Reset bits 4-6 */
8519		bnx2x_cl45_write(bp, phy,
8520				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8521				 val);
8522		break;
8523	default:
8524		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8525		   action);
8526		return;
8527	}
8528}
8529
8530static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8531					   u8 gpio_mode)
8532{
8533	struct bnx2x *bp = params->bp;
8534
8535	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8536			    offsetof(struct shmem_region,
8537			dev_info.port_hw_config[params->port].sfp_ctrl)) &
8538		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8539	switch (fault_led_gpio) {
8540	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8541		return;
8542	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8543	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8544	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8545	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8546	{
8547		u8 gpio_port = bnx2x_get_gpio_port(params);
8548		u16 gpio_pin = fault_led_gpio -
8549			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8550		DP(NETIF_MSG_LINK, "Set fault module-detected led "
8551				   "pin %x port %x mode %x\n",
8552			       gpio_pin, gpio_port, gpio_mode);
8553		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8554	}
8555	break;
8556	default:
8557		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8558			       fault_led_gpio);
8559	}
8560}
8561
8562static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8563					  u8 gpio_mode)
8564{
8565	u32 pin_cfg;
8566	u8 port = params->port;
8567	struct bnx2x *bp = params->bp;
8568	pin_cfg = (REG_RD(bp, params->shmem_base +
8569			 offsetof(struct shmem_region,
8570				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8571		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8572		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8573	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8574		       gpio_mode, pin_cfg);
8575	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8576}
8577
8578static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8579					   u8 gpio_mode)
8580{
8581	struct bnx2x *bp = params->bp;
8582	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8583	if (CHIP_IS_E3(bp)) {
8584		/* Low ==> if SFP+ module is supported otherwise
8585		 * High ==> if SFP+ module is not on the approved vendor list
8586		 */
8587		bnx2x_set_e3_module_fault_led(params, gpio_mode);
8588	} else
8589		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8590}
8591
8592static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8593				    struct link_params *params)
8594{
8595	struct bnx2x *bp = params->bp;
8596	bnx2x_warpcore_power_module(params, 0);
8597	/* Put Warpcore in low power mode */
8598	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8599
8600	/* Put LCPLL in low power mode */
8601	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8602	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8603	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8604}
8605
8606static void bnx2x_power_sfp_module(struct link_params *params,
8607				   struct bnx2x_phy *phy,
8608				   u8 power)
8609{
8610	struct bnx2x *bp = params->bp;
8611	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8612
8613	switch (phy->type) {
8614	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8615	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8616		bnx2x_8727_power_module(params->bp, phy, power);
8617		break;
8618	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8619		bnx2x_warpcore_power_module(params, power);
8620		break;
8621	default:
8622		break;
8623	}
8624}
8625static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8626					     struct bnx2x_phy *phy,
8627					     u16 edc_mode)
8628{
8629	u16 val = 0;
8630	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8631	struct bnx2x *bp = params->bp;
8632
8633	u8 lane = bnx2x_get_warpcore_lane(phy, params);
8634	/* This is a global register which controls all lanes */
8635	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8636			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8637	val &= ~(0xf << (lane << 2));
8638
8639	switch (edc_mode) {
8640	case EDC_MODE_LINEAR:
8641	case EDC_MODE_LIMITING:
8642		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8643		break;
8644	case EDC_MODE_PASSIVE_DAC:
8645	case EDC_MODE_ACTIVE_DAC:
8646		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8647		break;
8648	default:
8649		break;
8650	}
8651
8652	val |= (mode << (lane << 2));
8653	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8654			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8655	/* A must read */
8656	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8657			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8658
8659	/* Restart microcode to re-read the new mode */
8660	bnx2x_warpcore_reset_lane(bp, phy, 1);
8661	bnx2x_warpcore_reset_lane(bp, phy, 0);
8662
8663}
8664
8665static void bnx2x_set_limiting_mode(struct link_params *params,
8666				    struct bnx2x_phy *phy,
8667				    u16 edc_mode)
8668{
8669	switch (phy->type) {
8670	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8671		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8672		break;
8673	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8674	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8675		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8676		break;
8677	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8678		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8679		break;
8680	}
8681}
8682
8683static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8684				      struct link_params *params)
8685{
8686	struct bnx2x *bp = params->bp;
8687	u16 edc_mode;
8688	int rc = 0;
8689
8690	u32 val = REG_RD(bp, params->shmem_base +
8691			     offsetof(struct shmem_region, dev_info.
8692				     port_feature_config[params->port].config));
8693	/* Enabled transmitter by default */
8694	bnx2x_sfp_set_transmitter(params, phy, 1);
8695	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8696		 params->port);
8697	/* Power up module */
8698	bnx2x_power_sfp_module(params, phy, 1);
8699	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8700		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8701		return -EINVAL;
8702	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8703		/* Check SFP+ module compatibility */
8704		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8705		rc = -EINVAL;
8706		/* Turn on fault module-detected led */
8707		bnx2x_set_sfp_module_fault_led(params,
8708					       MISC_REGISTERS_GPIO_HIGH);
8709
8710		/* Check if need to power down the SFP+ module */
8711		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8712		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8713			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8714			bnx2x_power_sfp_module(params, phy, 0);
8715			return rc;
8716		}
8717	} else {
8718		/* Turn off fault module-detected led */
8719		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8720	}
8721
8722	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8723	 * is done automatically
8724	 */
8725	bnx2x_set_limiting_mode(params, phy, edc_mode);
8726
8727	/* Disable transmit for this module if the module is not approved, and
8728	 * laser needs to be disabled.
8729	 */
8730	if ((rc) &&
8731	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8732	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8733		bnx2x_sfp_set_transmitter(params, phy, 0);
8734
8735	return rc;
8736}
8737
8738void bnx2x_handle_module_detect_int(struct link_params *params)
8739{
8740	struct bnx2x *bp = params->bp;
8741	struct bnx2x_phy *phy;
8742	u32 gpio_val;
8743	u8 gpio_num, gpio_port;
8744	if (CHIP_IS_E3(bp)) {
8745		phy = &params->phy[INT_PHY];
8746		/* Always enable TX laser,will be disabled in case of fault */
8747		bnx2x_sfp_set_transmitter(params, phy, 1);
8748	} else {
8749		phy = &params->phy[EXT_PHY1];
8750	}
8751	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8752				      params->port, &gpio_num, &gpio_port) ==
8753	    -EINVAL) {
8754		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8755		return;
8756	}
8757
8758	/* Set valid module led off */
8759	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8760
8761	/* Get current gpio val reflecting module plugged in / out*/
8762	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8763
8764	/* Call the handling function in case module is detected */
8765	if (gpio_val == 0) {
8766		bnx2x_set_mdio_emac_per_phy(bp, params);
8767		bnx2x_set_aer_mmd(params, phy);
8768
8769		bnx2x_power_sfp_module(params, phy, 1);
8770		bnx2x_set_gpio_int(bp, gpio_num,
8771				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8772				   gpio_port);
8773		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8774			bnx2x_sfp_module_detection(phy, params);
8775			if (CHIP_IS_E3(bp)) {
8776				u16 rx_tx_in_reset;
8777				/* In case WC is out of reset, reconfigure the
8778				 * link speed while taking into account 1G
8779				 * module limitation.
8780				 */
8781				bnx2x_cl45_read(bp, phy,
8782						MDIO_WC_DEVAD,
8783						MDIO_WC_REG_DIGITAL5_MISC6,
8784						&rx_tx_in_reset);
8785				if ((!rx_tx_in_reset) &&
8786				    (params->link_flags &
8787				     PHY_INITIALIZED)) {
8788					bnx2x_warpcore_reset_lane(bp, phy, 1);
8789					bnx2x_warpcore_config_sfi(phy, params);
8790					bnx2x_warpcore_reset_lane(bp, phy, 0);
8791				}
8792			}
8793		} else {
8794			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8795		}
8796	} else {
8797		bnx2x_set_gpio_int(bp, gpio_num,
8798				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8799				   gpio_port);
8800		/* Module was plugged out.
8801		 * Disable transmit for this module
8802		 */
8803		phy->media_type = ETH_PHY_NOT_PRESENT;
8804	}
8805}
8806
8807/******************************************************************/
8808/*		Used by 8706 and 8727                             */
8809/******************************************************************/
8810static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8811				 struct bnx2x_phy *phy,
8812				 u16 alarm_status_offset,
8813				 u16 alarm_ctrl_offset)
8814{
8815	u16 alarm_status, val;
8816	bnx2x_cl45_read(bp, phy,
8817			MDIO_PMA_DEVAD, alarm_status_offset,
8818			&alarm_status);
8819	bnx2x_cl45_read(bp, phy,
8820			MDIO_PMA_DEVAD, alarm_status_offset,
8821			&alarm_status);
8822	/* Mask or enable the fault event. */
8823	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8824	if (alarm_status & (1<<0))
8825		val &= ~(1<<0);
8826	else
8827		val |= (1<<0);
8828	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8829}
8830/******************************************************************/
8831/*		common BCM8706/BCM8726 PHY SECTION		  */
8832/******************************************************************/
8833static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8834				      struct link_params *params,
8835				      struct link_vars *vars)
8836{
8837	u8 link_up = 0;
8838	u16 val1, val2, rx_sd, pcs_status;
8839	struct bnx2x *bp = params->bp;
8840	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8841	/* Clear RX Alarm*/
8842	bnx2x_cl45_read(bp, phy,
8843			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8844
8845	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8846			     MDIO_PMA_LASI_TXCTRL);
8847
8848	/* Clear LASI indication*/
8849	bnx2x_cl45_read(bp, phy,
8850			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8851	bnx2x_cl45_read(bp, phy,
8852			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8853	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8854
8855	bnx2x_cl45_read(bp, phy,
8856			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8857	bnx2x_cl45_read(bp, phy,
8858			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8859	bnx2x_cl45_read(bp, phy,
8860			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8861	bnx2x_cl45_read(bp, phy,
8862			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8863
8864	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8865			" link_status 0x%x\n", rx_sd, pcs_status, val2);
8866	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8867	 * are set, or if the autoneg bit 1 is set
8868	 */
8869	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8870	if (link_up) {
8871		if (val2 & (1<<1))
8872			vars->line_speed = SPEED_1000;
8873		else
8874			vars->line_speed = SPEED_10000;
8875		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8876		vars->duplex = DUPLEX_FULL;
8877	}
8878
8879	/* Capture 10G link fault. Read twice to clear stale value. */
8880	if (vars->line_speed == SPEED_10000) {
8881		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8882			    MDIO_PMA_LASI_TXSTAT, &val1);
8883		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8884			    MDIO_PMA_LASI_TXSTAT, &val1);
8885		if (val1 & (1<<0))
8886			vars->fault_detected = 1;
8887	}
8888
8889	return link_up;
8890}
8891
8892/******************************************************************/
8893/*			BCM8706 PHY SECTION			  */
8894/******************************************************************/
8895static void bnx2x_8706_config_init(struct bnx2x_phy *phy,
8896				   struct link_params *params,
8897				   struct link_vars *vars)
8898{
8899	u32 tx_en_mode;
8900	u16 cnt, val, tmp1;
8901	struct bnx2x *bp = params->bp;
8902
8903	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8904		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8905	/* HW reset */
8906	bnx2x_ext_phy_hw_reset(bp, params->port);
8907	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8908	bnx2x_wait_reset_complete(bp, phy, params);
8909
8910	/* Wait until fw is loaded */
8911	for (cnt = 0; cnt < 100; cnt++) {
8912		bnx2x_cl45_read(bp, phy,
8913				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8914		if (val)
8915			break;
8916		usleep_range(10000, 20000);
8917	}
8918	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8919	if ((params->feature_config_flags &
8920	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8921		u8 i;
8922		u16 reg;
8923		for (i = 0; i < 4; i++) {
8924			reg = MDIO_XS_8706_REG_BANK_RX0 +
8925				i*(MDIO_XS_8706_REG_BANK_RX1 -
8926				   MDIO_XS_8706_REG_BANK_RX0);
8927			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8928			/* Clear first 3 bits of the control */
8929			val &= ~0x7;
8930			/* Set control bits according to configuration */
8931			val |= (phy->rx_preemphasis[i] & 0x7);
8932			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8933				   " reg 0x%x <-- val 0x%x\n", reg, val);
8934			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8935		}
8936	}
8937	/* Force speed */
8938	if (phy->req_line_speed == SPEED_10000) {
8939		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8940
8941		bnx2x_cl45_write(bp, phy,
8942				 MDIO_PMA_DEVAD,
8943				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8944		bnx2x_cl45_write(bp, phy,
8945				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8946				 0);
8947		/* Arm LASI for link and Tx fault. */
8948		bnx2x_cl45_write(bp, phy,
8949				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8950	} else {
8951		/* Force 1Gbps using autoneg with 1G advertisement */
8952
8953		/* Allow CL37 through CL73 */
8954		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8955		bnx2x_cl45_write(bp, phy,
8956				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8957
8958		/* Enable Full-Duplex advertisement on CL37 */
8959		bnx2x_cl45_write(bp, phy,
8960				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8961		/* Enable CL37 AN */
8962		bnx2x_cl45_write(bp, phy,
8963				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8964		/* 1G support */
8965		bnx2x_cl45_write(bp, phy,
8966				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8967
8968		/* Enable clause 73 AN */
8969		bnx2x_cl45_write(bp, phy,
8970				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8971		bnx2x_cl45_write(bp, phy,
8972				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8973				 0x0400);
8974		bnx2x_cl45_write(bp, phy,
8975				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8976				 0x0004);
8977	}
8978	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8979
8980	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8981	 * power mode, if TX Laser is disabled
8982	 */
8983
8984	tx_en_mode = REG_RD(bp, params->shmem_base +
8985			    offsetof(struct shmem_region,
8986				dev_info.port_hw_config[params->port].sfp_ctrl))
8987			& PORT_HW_CFG_TX_LASER_MASK;
8988
8989	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8990		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8991		bnx2x_cl45_read(bp, phy,
8992			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8993		tmp1 |= 0x1;
8994		bnx2x_cl45_write(bp, phy,
8995			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8996	}
8997}
8998
8999static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
9000				 struct link_params *params,
9001				 struct link_vars *vars)
9002{
9003	return bnx2x_8706_8726_read_status(phy, params, vars);
9004}
9005
9006/******************************************************************/
9007/*			BCM8726 PHY SECTION			  */
9008/******************************************************************/
9009static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
9010				       struct link_params *params)
9011{
9012	struct bnx2x *bp = params->bp;
9013	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
9014	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
9015}
9016
9017static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
9018					 struct link_params *params)
9019{
9020	struct bnx2x *bp = params->bp;
9021	/* Need to wait 100ms after reset */
9022	msleep(100);
9023
9024	/* Micro controller re-boot */
9025	bnx2x_cl45_write(bp, phy,
9026			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
9027
9028	/* Set soft reset */
9029	bnx2x_cl45_write(bp, phy,
9030			 MDIO_PMA_DEVAD,
9031			 MDIO_PMA_REG_GEN_CTRL,
9032			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
9033
9034	bnx2x_cl45_write(bp, phy,
9035			 MDIO_PMA_DEVAD,
9036			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
9037
9038	bnx2x_cl45_write(bp, phy,
9039			 MDIO_PMA_DEVAD,
9040			 MDIO_PMA_REG_GEN_CTRL,
9041			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
9042
9043	/* Wait for 150ms for microcode load */
9044	msleep(150);
9045
9046	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9047	bnx2x_cl45_write(bp, phy,
9048			 MDIO_PMA_DEVAD,
9049			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
9050
9051	msleep(200);
9052	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
9053}
9054
9055static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9056				 struct link_params *params,
9057				 struct link_vars *vars)
9058{
9059	struct bnx2x *bp = params->bp;
9060	u16 val1;
9061	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9062	if (link_up) {
9063		bnx2x_cl45_read(bp, phy,
9064				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9065				&val1);
9066		if (val1 & (1<<15)) {
9067			DP(NETIF_MSG_LINK, "Tx is disabled\n");
9068			link_up = 0;
9069			vars->line_speed = 0;
9070		}
9071	}
9072	return link_up;
9073}
9074
9075
9076static void bnx2x_8726_config_init(struct bnx2x_phy *phy,
9077				   struct link_params *params,
9078				   struct link_vars *vars)
9079{
9080	struct bnx2x *bp = params->bp;
9081	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9082
9083	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9084	bnx2x_wait_reset_complete(bp, phy, params);
9085
9086	bnx2x_8726_external_rom_boot(phy, params);
9087
9088	/* Need to call module detected on initialization since the module
9089	 * detection triggered by actual module insertion might occur before
9090	 * driver is loaded, and when driver is loaded, it reset all
9091	 * registers, including the transmitter
9092	 */
9093	bnx2x_sfp_module_detection(phy, params);
9094
9095	if (phy->req_line_speed == SPEED_1000) {
9096		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9097		bnx2x_cl45_write(bp, phy,
9098				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9099		bnx2x_cl45_write(bp, phy,
9100				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9101		bnx2x_cl45_write(bp, phy,
9102				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9103		bnx2x_cl45_write(bp, phy,
9104				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9105				 0x400);
9106	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9107		   (phy->speed_cap_mask &
9108		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9109		   ((phy->speed_cap_mask &
9110		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9111		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9112		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9113		/* Set Flow control */
9114		bnx2x_ext_phy_set_pause(params, phy, vars);
9115		bnx2x_cl45_write(bp, phy,
9116				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9117		bnx2x_cl45_write(bp, phy,
9118				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9119		bnx2x_cl45_write(bp, phy,
9120				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9121		bnx2x_cl45_write(bp, phy,
9122				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9123		bnx2x_cl45_write(bp, phy,
9124				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9125		/* Enable RX-ALARM control to receive interrupt for 1G speed
9126		 * change
9127		 */
9128		bnx2x_cl45_write(bp, phy,
9129				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9130		bnx2x_cl45_write(bp, phy,
9131				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9132				 0x400);
9133
9134	} else { /* Default 10G. Set only LASI control */
9135		bnx2x_cl45_write(bp, phy,
9136				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9137	}
9138
9139	/* Set TX PreEmphasis if needed */
9140	if ((params->feature_config_flags &
9141	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9142		DP(NETIF_MSG_LINK,
9143		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9144			 phy->tx_preemphasis[0],
9145			 phy->tx_preemphasis[1]);
9146		bnx2x_cl45_write(bp, phy,
9147				 MDIO_PMA_DEVAD,
9148				 MDIO_PMA_REG_8726_TX_CTRL1,
9149				 phy->tx_preemphasis[0]);
9150
9151		bnx2x_cl45_write(bp, phy,
9152				 MDIO_PMA_DEVAD,
9153				 MDIO_PMA_REG_8726_TX_CTRL2,
9154				 phy->tx_preemphasis[1]);
9155	}
9156}
9157
9158static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9159				  struct link_params *params)
9160{
9161	struct bnx2x *bp = params->bp;
9162	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9163	/* Set serial boot control for external load */
9164	bnx2x_cl45_write(bp, phy,
9165			 MDIO_PMA_DEVAD,
9166			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9167}
9168
9169/******************************************************************/
9170/*			BCM8727 PHY SECTION			  */
9171/******************************************************************/
9172
9173static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9174				    struct link_params *params, u8 mode)
9175{
9176	struct bnx2x *bp = params->bp;
9177	u16 led_mode_bitmask = 0;
9178	u16 gpio_pins_bitmask = 0;
9179	u16 val;
9180	/* Only NOC flavor requires to set the LED specifically */
9181	if (!(phy->flags & FLAGS_NOC))
9182		return;
9183	switch (mode) {
9184	case LED_MODE_FRONT_PANEL_OFF:
9185	case LED_MODE_OFF:
9186		led_mode_bitmask = 0;
9187		gpio_pins_bitmask = 0x03;
9188		break;
9189	case LED_MODE_ON:
9190		led_mode_bitmask = 0;
9191		gpio_pins_bitmask = 0x02;
9192		break;
9193	case LED_MODE_OPER:
9194		led_mode_bitmask = 0x60;
9195		gpio_pins_bitmask = 0x11;
9196		break;
9197	}
9198	bnx2x_cl45_read(bp, phy,
9199			MDIO_PMA_DEVAD,
9200			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9201			&val);
9202	val &= 0xff8f;
9203	val |= led_mode_bitmask;
9204	bnx2x_cl45_write(bp, phy,
9205			 MDIO_PMA_DEVAD,
9206			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9207			 val);
9208	bnx2x_cl45_read(bp, phy,
9209			MDIO_PMA_DEVAD,
9210			MDIO_PMA_REG_8727_GPIO_CTRL,
9211			&val);
9212	val &= 0xffe0;
9213	val |= gpio_pins_bitmask;
9214	bnx2x_cl45_write(bp, phy,
9215			 MDIO_PMA_DEVAD,
9216			 MDIO_PMA_REG_8727_GPIO_CTRL,
9217			 val);
9218}
9219static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9220				struct link_params *params) {
9221	u32 swap_val, swap_override;
9222	u8 port;
9223	/* The PHY reset is controlled by GPIO 1. Fake the port number
9224	 * to cancel the swap done in set_gpio()
9225	 */
9226	struct bnx2x *bp = params->bp;
9227	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9228	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9229	port = (swap_val && swap_override) ^ 1;
9230	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9231		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9232}
9233
9234static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9235				    struct link_params *params)
9236{
9237	struct bnx2x *bp = params->bp;
9238	u16 tmp1, val;
9239	/* Set option 1G speed */
9240	if ((phy->req_line_speed == SPEED_1000) ||
9241	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9242		DP(NETIF_MSG_LINK, "Setting 1G force\n");
9243		bnx2x_cl45_write(bp, phy,
9244				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9245		bnx2x_cl45_write(bp, phy,
9246				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9247		bnx2x_cl45_read(bp, phy,
9248				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9249		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9250		/* Power down the XAUI until link is up in case of dual-media
9251		 * and 1G
9252		 */
9253		if (DUAL_MEDIA(params)) {
9254			bnx2x_cl45_read(bp, phy,
9255					MDIO_PMA_DEVAD,
9256					MDIO_PMA_REG_8727_PCS_GP, &val);
9257			val |= (3<<10);
9258			bnx2x_cl45_write(bp, phy,
9259					 MDIO_PMA_DEVAD,
9260					 MDIO_PMA_REG_8727_PCS_GP, val);
9261		}
9262	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9263		   ((phy->speed_cap_mask &
9264		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9265		   ((phy->speed_cap_mask &
9266		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9267		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9268
9269		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9270		bnx2x_cl45_write(bp, phy,
9271				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9272		bnx2x_cl45_write(bp, phy,
9273				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9274	} else {
9275		/* Since the 8727 has only single reset pin, need to set the 10G
9276		 * registers although it is default
9277		 */
9278		bnx2x_cl45_write(bp, phy,
9279				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9280				 0x0020);
9281		bnx2x_cl45_write(bp, phy,
9282				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9283		bnx2x_cl45_write(bp, phy,
9284				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9285		bnx2x_cl45_write(bp, phy,
9286				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9287				 0x0008);
9288	}
9289}
9290
9291static void bnx2x_8727_config_init(struct bnx2x_phy *phy,
9292				   struct link_params *params,
9293				   struct link_vars *vars)
9294{
9295	u32 tx_en_mode;
9296	u16 tmp1, mod_abs, tmp2;
9297	struct bnx2x *bp = params->bp;
9298	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9299
9300	bnx2x_wait_reset_complete(bp, phy, params);
9301
9302	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9303
9304	bnx2x_8727_specific_func(phy, params, PHY_INIT);
9305	/* Initially configure MOD_ABS to interrupt when module is
9306	 * presence( bit 8)
9307	 */
9308	bnx2x_cl45_read(bp, phy,
9309			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9310	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9311	 * When the EDC is off it locks onto a reference clock and avoids
9312	 * becoming 'lost'
9313	 */
9314	mod_abs &= ~(1<<8);
9315	if (!(phy->flags & FLAGS_NOC))
9316		mod_abs &= ~(1<<9);
9317	bnx2x_cl45_write(bp, phy,
9318			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9319
9320	/* Enable/Disable PHY transmitter output */
9321	bnx2x_set_disable_pmd_transmit(params, phy, 0);
9322
9323	bnx2x_8727_power_module(bp, phy, 1);
9324
9325	bnx2x_cl45_read(bp, phy,
9326			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9327
9328	bnx2x_cl45_read(bp, phy,
9329			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9330
9331	bnx2x_8727_config_speed(phy, params);
9332
9333
9334	/* Set TX PreEmphasis if needed */
9335	if ((params->feature_config_flags &
9336	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9337		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9338			   phy->tx_preemphasis[0],
9339			   phy->tx_preemphasis[1]);
9340		bnx2x_cl45_write(bp, phy,
9341				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9342				 phy->tx_preemphasis[0]);
9343
9344		bnx2x_cl45_write(bp, phy,
9345				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9346				 phy->tx_preemphasis[1]);
9347	}
9348
9349	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9350	 * power mode, if TX Laser is disabled
9351	 */
9352	tx_en_mode = REG_RD(bp, params->shmem_base +
9353			    offsetof(struct shmem_region,
9354				dev_info.port_hw_config[params->port].sfp_ctrl))
9355			& PORT_HW_CFG_TX_LASER_MASK;
9356
9357	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9358
9359		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9360		bnx2x_cl45_read(bp, phy,
9361			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9362		tmp2 |= 0x1000;
9363		tmp2 &= 0xFFEF;
9364		bnx2x_cl45_write(bp, phy,
9365			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9366		bnx2x_cl45_read(bp, phy,
9367				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9368				&tmp2);
9369		bnx2x_cl45_write(bp, phy,
9370				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9371				 (tmp2 & 0x7fff));
9372	}
9373}
9374
9375static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9376				      struct link_params *params)
9377{
9378	struct bnx2x *bp = params->bp;
9379	u16 mod_abs, rx_alarm_status;
9380	u32 val = REG_RD(bp, params->shmem_base +
9381			     offsetof(struct shmem_region, dev_info.
9382				      port_feature_config[params->port].
9383				      config));
9384	bnx2x_cl45_read(bp, phy,
9385			MDIO_PMA_DEVAD,
9386			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9387	if (mod_abs & (1<<8)) {
9388
9389		/* Module is absent */
9390		DP(NETIF_MSG_LINK,
9391		   "MOD_ABS indication show module is absent\n");
9392		phy->media_type = ETH_PHY_NOT_PRESENT;
9393		/* 1. Set mod_abs to detect next module
9394		 *    presence event
9395		 * 2. Set EDC off by setting OPTXLOS signal input to low
9396		 *    (bit 9).
9397		 *    When the EDC is off it locks onto a reference clock and
9398		 *    avoids becoming 'lost'.
9399		 */
9400		mod_abs &= ~(1<<8);
9401		if (!(phy->flags & FLAGS_NOC))
9402			mod_abs &= ~(1<<9);
9403		bnx2x_cl45_write(bp, phy,
9404				 MDIO_PMA_DEVAD,
9405				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9406
9407		/* Clear RX alarm since it stays up as long as
9408		 * the mod_abs wasn't changed
9409		 */
9410		bnx2x_cl45_read(bp, phy,
9411				MDIO_PMA_DEVAD,
9412				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9413
9414	} else {
9415		/* Module is present */
9416		DP(NETIF_MSG_LINK,
9417		   "MOD_ABS indication show module is present\n");
9418		/* First disable transmitter, and if the module is ok, the
9419		 * module_detection will enable it
9420		 * 1. Set mod_abs to detect next module absent event ( bit 8)
9421		 * 2. Restore the default polarity of the OPRXLOS signal and
9422		 * this signal will then correctly indicate the presence or
9423		 * absence of the Rx signal. (bit 9)
9424		 */
9425		mod_abs |= (1<<8);
9426		if (!(phy->flags & FLAGS_NOC))
9427			mod_abs |= (1<<9);
9428		bnx2x_cl45_write(bp, phy,
9429				 MDIO_PMA_DEVAD,
9430				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9431
9432		/* Clear RX alarm since it stays up as long as the mod_abs
9433		 * wasn't changed. This is need to be done before calling the
9434		 * module detection, otherwise it will clear* the link update
9435		 * alarm
9436		 */
9437		bnx2x_cl45_read(bp, phy,
9438				MDIO_PMA_DEVAD,
9439				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9440
9441
9442		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9443		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9444			bnx2x_sfp_set_transmitter(params, phy, 0);
9445
9446		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9447			bnx2x_sfp_module_detection(phy, params);
9448		else
9449			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9450
9451		/* Reconfigure link speed based on module type limitations */
9452		bnx2x_8727_config_speed(phy, params);
9453	}
9454
9455	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9456		   rx_alarm_status);
9457	/* No need to check link status in case of module plugged in/out */
9458}
9459
9460static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9461				 struct link_params *params,
9462				 struct link_vars *vars)
9463
9464{
9465	struct bnx2x *bp = params->bp;
9466	u8 link_up = 0, oc_port = params->port;
9467	u16 link_status = 0;
9468	u16 rx_alarm_status, lasi_ctrl, val1;
9469
9470	/* If PHY is not initialized, do not check link status */
9471	bnx2x_cl45_read(bp, phy,
9472			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9473			&lasi_ctrl);
9474	if (!lasi_ctrl)
9475		return 0;
9476
9477	/* Check the LASI on Rx */
9478	bnx2x_cl45_read(bp, phy,
9479			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9480			&rx_alarm_status);
9481	vars->line_speed = 0;
9482	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9483
9484	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9485			     MDIO_PMA_LASI_TXCTRL);
9486
9487	bnx2x_cl45_read(bp, phy,
9488			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9489
9490	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9491
9492	/* Clear MSG-OUT */
9493	bnx2x_cl45_read(bp, phy,
9494			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9495
9496	/* If a module is present and there is need to check
9497	 * for over current
9498	 */
9499	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9500		/* Check over-current using 8727 GPIO0 input*/
9501		bnx2x_cl45_read(bp, phy,
9502				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9503				&val1);
9504
9505		if ((val1 & (1<<8)) == 0) {
9506			if (!CHIP_IS_E1x(bp))
9507				oc_port = BP_PATH(bp) + (params->port << 1);
9508			DP(NETIF_MSG_LINK,
9509			   "8727 Power fault has been detected on port %d\n",
9510			   oc_port);
9511			netdev_err(bp->dev, "Error: Power fault on Port %d has "
9512					    "been detected and the power to "
9513					    "that SFP+ module has been removed "
9514					    "to prevent failure of the card. "
9515					    "Please remove the SFP+ module and "
9516					    "restart the system to clear this "
9517					    "error.\n",
9518			 oc_port);
9519			/* Disable all RX_ALARMs except for mod_abs */
9520			bnx2x_cl45_write(bp, phy,
9521					 MDIO_PMA_DEVAD,
9522					 MDIO_PMA_LASI_RXCTRL, (1<<5));
9523
9524			bnx2x_cl45_read(bp, phy,
9525					MDIO_PMA_DEVAD,
9526					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9527			/* Wait for module_absent_event */
9528			val1 |= (1<<8);
9529			bnx2x_cl45_write(bp, phy,
9530					 MDIO_PMA_DEVAD,
9531					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9532			/* Clear RX alarm */
9533			bnx2x_cl45_read(bp, phy,
9534				MDIO_PMA_DEVAD,
9535				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9536			bnx2x_8727_power_module(params->bp, phy, 0);
9537			return 0;
9538		}
9539	} /* Over current check */
9540
9541	/* When module absent bit is set, check module */
9542	if (rx_alarm_status & (1<<5)) {
9543		bnx2x_8727_handle_mod_abs(phy, params);
9544		/* Enable all mod_abs and link detection bits */
9545		bnx2x_cl45_write(bp, phy,
9546				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9547				 ((1<<5) | (1<<2)));
9548	}
9549
9550	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9551		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9552		bnx2x_sfp_set_transmitter(params, phy, 1);
9553	} else {
9554		DP(NETIF_MSG_LINK, "Tx is disabled\n");
9555		return 0;
9556	}
9557
9558	bnx2x_cl45_read(bp, phy,
9559			MDIO_PMA_DEVAD,
9560			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9561
9562	/* Bits 0..2 --> speed detected,
9563	 * Bits 13..15--> link is down
9564	 */
9565	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9566		link_up = 1;
9567		vars->line_speed = SPEED_10000;
9568		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9569			   params->port);
9570	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9571		link_up = 1;
9572		vars->line_speed = SPEED_1000;
9573		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9574			   params->port);
9575	} else {
9576		link_up = 0;
9577		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9578			   params->port);
9579	}
9580
9581	/* Capture 10G link fault. */
9582	if (vars->line_speed == SPEED_10000) {
9583		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9584			    MDIO_PMA_LASI_TXSTAT, &val1);
9585
9586		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9587			    MDIO_PMA_LASI_TXSTAT, &val1);
9588
9589		if (val1 & (1<<0)) {
9590			vars->fault_detected = 1;
9591		}
9592	}
9593
9594	if (link_up) {
9595		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9596		vars->duplex = DUPLEX_FULL;
9597		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9598	}
9599
9600	if ((DUAL_MEDIA(params)) &&
9601	    (phy->req_line_speed == SPEED_1000)) {
9602		bnx2x_cl45_read(bp, phy,
9603				MDIO_PMA_DEVAD,
9604				MDIO_PMA_REG_8727_PCS_GP, &val1);
9605		/* In case of dual-media board and 1G, power up the XAUI side,
9606		 * otherwise power it down. For 10G it is done automatically
9607		 */
9608		if (link_up)
9609			val1 &= ~(3<<10);
9610		else
9611			val1 |= (3<<10);
9612		bnx2x_cl45_write(bp, phy,
9613				 MDIO_PMA_DEVAD,
9614				 MDIO_PMA_REG_8727_PCS_GP, val1);
9615	}
9616	return link_up;
9617}
9618
9619static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9620				  struct link_params *params)
9621{
9622	struct bnx2x *bp = params->bp;
9623
9624	/* Enable/Disable PHY transmitter output */
9625	bnx2x_set_disable_pmd_transmit(params, phy, 1);
9626
9627	/* Disable Transmitter */
9628	bnx2x_sfp_set_transmitter(params, phy, 0);
9629	/* Clear LASI */
9630	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9631
9632}
9633
9634/******************************************************************/
9635/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
9636/******************************************************************/
9637static int bnx2x_is_8483x_8485x(struct bnx2x_phy *phy)
9638{
9639	return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9640		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
9641		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
9642}
9643
9644static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9645					    struct bnx2x *bp,
9646					    u8 port)
9647{
9648	u16 val, fw_ver2, cnt, i;
9649	static struct bnx2x_reg_set reg_set[] = {
9650		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
9651		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9652		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9653		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9654		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
9655	};
9656	u16 fw_ver1;
9657
9658	if (bnx2x_is_8483x_8485x(phy)) {
9659		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9660		if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
9661			fw_ver1 &= 0xfff;
9662		bnx2x_save_spirom_version(bp, port, fw_ver1, phy->ver_addr);
9663	} else {
9664		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9665		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9666		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9667			bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9668					 reg_set[i].reg, reg_set[i].val);
9669
9670		for (cnt = 0; cnt < 100; cnt++) {
9671			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9672			if (val & 1)
9673				break;
9674			udelay(5);
9675		}
9676		if (cnt == 100) {
9677			DP(NETIF_MSG_LINK, "Unable to read 848xx "
9678					"phy fw version(1)\n");
9679			bnx2x_save_spirom_version(bp, port, 0,
9680						  phy->ver_addr);
9681			return;
9682		}
9683
9684
9685		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9686		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9687		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9688		bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
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 phy fw "
9697					"version(2)\n");
9698			bnx2x_save_spirom_version(bp, port, 0,
9699						  phy->ver_addr);
9700			return;
9701		}
9702
9703		/* lower 16 bits of the register SPI_FW_STATUS */
9704		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9705		/* upper 16 bits of register SPI_FW_STATUS */
9706		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9707
9708		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9709					  phy->ver_addr);
9710	}
9711
9712}
9713static void bnx2x_848xx_set_led(struct bnx2x *bp,
9714				struct bnx2x_phy *phy)
9715{
9716	u16 val, led3_blink_rate, offset, i;
9717	static struct bnx2x_reg_set reg_set[] = {
9718		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9719		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9720		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9721		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9722			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9723		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9724	};
9725
9726	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
9727		/* Set LED5 source */
9728		bnx2x_cl45_write(bp, phy,
9729				 MDIO_PMA_DEVAD,
9730				 MDIO_PMA_REG_8481_LED5_MASK,
9731				 0x90);
9732		led3_blink_rate = 0x000f;
9733	} else {
9734		led3_blink_rate = 0x0000;
9735	}
9736	/* Set LED3 BLINK */
9737	bnx2x_cl45_write(bp, phy,
9738			 MDIO_PMA_DEVAD,
9739			 MDIO_PMA_REG_8481_LED3_BLINK,
9740			 led3_blink_rate);
9741
9742	/* PHYC_CTL_LED_CTL */
9743	bnx2x_cl45_read(bp, phy,
9744			MDIO_PMA_DEVAD,
9745			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9746	val &= 0xFE00;
9747	val |= 0x0092;
9748
9749	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
9750		val |= 2 << 12; /* LED5 ON based on source */
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	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
9766		val = MDIO_PMA_REG_84858_ALLOW_GPHY_ACT |
9767		      MDIO_PMA_REG_84823_LED3_STRETCH_EN;
9768	else
9769		val = MDIO_PMA_REG_84823_LED3_STRETCH_EN;
9770
9771	/* stretch_en for LEDs */
9772	bnx2x_cl45_read_or_write(bp, phy,
9773				 MDIO_PMA_DEVAD,
9774				 offset,
9775				 val);
9776}
9777
9778static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9779				      struct link_params *params,
9780				      u32 action)
9781{
9782	struct bnx2x *bp = params->bp;
9783	switch (action) {
9784	case PHY_INIT:
9785		if (bnx2x_is_8483x_8485x(phy)) {
9786			/* Save spirom version */
9787			bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9788		}
9789		/* This phy uses the NIG latch mechanism since link indication
9790		 * arrives through its LED4 and not via its LASI signal, so we
9791		 * get steady signal instead of clear on read
9792		 */
9793		bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9794			      1 << NIG_LATCH_BC_ENABLE_MI_INT);
9795
9796		bnx2x_848xx_set_led(bp, phy);
9797		break;
9798	}
9799}
9800
9801static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9802				       struct link_params *params,
9803				       struct link_vars *vars)
9804{
9805	struct bnx2x *bp = params->bp;
9806	u16 autoneg_val, an_1000_val, an_10_100_val;
9807
9808	bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9809	bnx2x_cl45_write(bp, phy,
9810			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9811
9812	/* set 1000 speed advertisement */
9813	bnx2x_cl45_read(bp, phy,
9814			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9815			&an_1000_val);
9816
9817	bnx2x_ext_phy_set_pause(params, phy, vars);
9818	bnx2x_cl45_read(bp, phy,
9819			MDIO_AN_DEVAD,
9820			MDIO_AN_REG_8481_LEGACY_AN_ADV,
9821			&an_10_100_val);
9822	bnx2x_cl45_read(bp, phy,
9823			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9824			&autoneg_val);
9825	/* Disable forced speed */
9826	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9827	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9828
9829	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9830	     (phy->speed_cap_mask &
9831	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9832	    (phy->req_line_speed == SPEED_1000)) {
9833		an_1000_val |= (1<<8);
9834		autoneg_val |= (1<<9 | 1<<12);
9835		if (phy->req_duplex == DUPLEX_FULL)
9836			an_1000_val |= (1<<9);
9837		DP(NETIF_MSG_LINK, "Advertising 1G\n");
9838	} else
9839		an_1000_val &= ~((1<<8) | (1<<9));
9840
9841	bnx2x_cl45_write(bp, phy,
9842			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9843			 an_1000_val);
9844
9845	/* Set 10/100 speed advertisement */
9846	if (phy->req_line_speed == SPEED_AUTO_NEG) {
9847		if (phy->speed_cap_mask &
9848		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9849			/* Enable autoneg and restart autoneg for legacy speeds
9850			 */
9851			autoneg_val |= (1<<9 | 1<<12);
9852			an_10_100_val |= (1<<8);
9853			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9854		}
9855
9856		if (phy->speed_cap_mask &
9857		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9858			/* Enable autoneg and restart autoneg for legacy speeds
9859			 */
9860			autoneg_val |= (1<<9 | 1<<12);
9861			an_10_100_val |= (1<<7);
9862			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9863		}
9864
9865		if ((phy->speed_cap_mask &
9866		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9867		    (phy->supported & SUPPORTED_10baseT_Full)) {
9868			an_10_100_val |= (1<<6);
9869			autoneg_val |= (1<<9 | 1<<12);
9870			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9871		}
9872
9873		if ((phy->speed_cap_mask &
9874		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9875		    (phy->supported & SUPPORTED_10baseT_Half)) {
9876			an_10_100_val |= (1<<5);
9877			autoneg_val |= (1<<9 | 1<<12);
9878			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9879		}
9880	}
9881
9882	/* Only 10/100 are allowed to work in FORCE mode */
9883	if ((phy->req_line_speed == SPEED_100) &&
9884	    (phy->supported &
9885	     (SUPPORTED_100baseT_Half |
9886	      SUPPORTED_100baseT_Full))) {
9887		autoneg_val |= (1<<13);
9888		/* Enabled AUTO-MDIX when autoneg is disabled */
9889		bnx2x_cl45_write(bp, phy,
9890				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9891				 (1<<15 | 1<<9 | 7<<0));
9892		/* The PHY needs this set even for forced link. */
9893		an_10_100_val |= (1<<8) | (1<<7);
9894		DP(NETIF_MSG_LINK, "Setting 100M force\n");
9895	}
9896	if ((phy->req_line_speed == SPEED_10) &&
9897	    (phy->supported &
9898	     (SUPPORTED_10baseT_Half |
9899	      SUPPORTED_10baseT_Full))) {
9900		/* Enabled AUTO-MDIX when autoneg is disabled */
9901		bnx2x_cl45_write(bp, phy,
9902				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9903				 (1<<15 | 1<<9 | 7<<0));
9904		DP(NETIF_MSG_LINK, "Setting 10M force\n");
9905	}
9906
9907	bnx2x_cl45_write(bp, phy,
9908			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9909			 an_10_100_val);
9910
9911	if (phy->req_duplex == DUPLEX_FULL)
9912		autoneg_val |= (1<<8);
9913
9914	/* Always write this if this is not 84833/4.
9915	 * For 84833/4, write it only when it's a forced speed.
9916	 */
9917	if (!bnx2x_is_8483x_8485x(phy) ||
9918	    ((autoneg_val & (1<<12)) == 0))
9919		bnx2x_cl45_write(bp, phy,
9920			 MDIO_AN_DEVAD,
9921			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9922
9923	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9924	    (phy->speed_cap_mask &
9925	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9926		(phy->req_line_speed == SPEED_10000)) {
9927			DP(NETIF_MSG_LINK, "Advertising 10G\n");
9928			/* Restart autoneg for 10G*/
9929
9930			bnx2x_cl45_read_or_write(
9931				bp, phy,
9932				MDIO_AN_DEVAD,
9933				MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9934				0x1000);
9935			bnx2x_cl45_write(bp, phy,
9936					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9937					 0x3200);
9938	} else
9939		bnx2x_cl45_write(bp, phy,
9940				 MDIO_AN_DEVAD,
9941				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9942				 1);
9943
9944	return 0;
9945}
9946
9947static void bnx2x_8481_config_init(struct bnx2x_phy *phy,
9948				   struct link_params *params,
9949				   struct link_vars *vars)
9950{
9951	struct bnx2x *bp = params->bp;
9952	/* Restore normal power mode*/
9953	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9954		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9955
9956	/* HW reset */
9957	bnx2x_ext_phy_hw_reset(bp, params->port);
9958	bnx2x_wait_reset_complete(bp, phy, params);
9959
9960	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9961	bnx2x_848xx_cmn_config_init(phy, params, vars);
9962}
9963
9964#define PHY848xx_CMDHDLR_WAIT 300
9965#define PHY848xx_CMDHDLR_MAX_ARGS 5
9966
9967static int bnx2x_84858_cmd_hdlr(struct bnx2x_phy *phy,
9968				struct link_params *params,
9969				u16 fw_cmd,
9970				u16 cmd_args[], int argc)
9971{
9972	int idx;
9973	u16 val;
9974	struct bnx2x *bp = params->bp;
9975
9976	/* Step 1: Poll the STATUS register to see whether the previous command
9977	 * is in progress or the system is busy (CMD_IN_PROGRESS or
9978	 * SYSTEM_BUSY). If previous command is in progress or system is busy,
9979	 * check again until the previous command finishes execution and the
9980	 * system is available for taking command
9981	 */
9982
9983	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
9984		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9985				MDIO_848xx_CMD_HDLR_STATUS, &val);
9986		if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
9987		    (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
9988			break;
9989		usleep_range(1000, 2000);
9990	}
9991	if (idx >= PHY848xx_CMDHDLR_WAIT) {
9992		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9993		return -EINVAL;
9994	}
9995
9996	/* Step2: If any parameters are required for the function, write them
9997	 * to the required DATA registers
9998	 */
9999
10000	for (idx = 0; idx < argc; idx++) {
10001		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10002				 MDIO_848xx_CMD_HDLR_DATA1 + idx,
10003				 cmd_args[idx]);
10004	}
10005
10006	/* Step3: When the firmware is ready for commands, write the 'Command
10007	 * code' to the CMD register
10008	 */
10009	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10010			 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10011
10012	/* Step4: Once the command has been written, poll the STATUS register
10013	 * to check whether the command has completed (CMD_COMPLETED_PASS/
10014	 * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
10015	 */
10016
10017	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10018		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10019				MDIO_848xx_CMD_HDLR_STATUS, &val);
10020		if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
10021		    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
10022			break;
10023		usleep_range(1000, 2000);
10024	}
10025	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10026	    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
10027		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
10028		return -EINVAL;
10029	}
10030	/* Step5: Once the command has completed, read the specficied DATA
10031	 * registers for any saved results for the command, if applicable
10032	 */
10033
10034	/* Gather returning data */
10035	for (idx = 0; idx < argc; idx++) {
10036		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10037				MDIO_848xx_CMD_HDLR_DATA1 + idx,
10038				&cmd_args[idx]);
10039	}
10040
10041	return 0;
10042}
10043
10044static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
10045				struct link_params *params, u16 fw_cmd,
10046				u16 cmd_args[], int argc, int process)
10047{
10048	int idx;
10049	u16 val;
10050	struct bnx2x *bp = params->bp;
10051	int rc = 0;
10052
10053	if (process == PHY84833_MB_PROCESS2) {
10054		/* Write CMD_OPEN_OVERRIDE to STATUS reg */
10055		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10056				 MDIO_848xx_CMD_HDLR_STATUS,
10057				 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
10058	}
10059
10060	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10061		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10062				MDIO_848xx_CMD_HDLR_STATUS, &val);
10063		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
10064			break;
10065		usleep_range(1000, 2000);
10066	}
10067	if (idx >= PHY848xx_CMDHDLR_WAIT) {
10068		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
10069		/* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR
10070		 * clear the status to CMD_CLEAR_COMPLETE
10071		 */
10072		if (val == PHY84833_STATUS_CMD_COMPLETE_PASS ||
10073		    val == PHY84833_STATUS_CMD_COMPLETE_ERROR) {
10074			bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10075					 MDIO_848xx_CMD_HDLR_STATUS,
10076					 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
10077		}
10078		return -EINVAL;
10079	}
10080	if (process == PHY84833_MB_PROCESS1 ||
10081	    process == PHY84833_MB_PROCESS2) {
10082		/* Prepare argument(s) */
10083		for (idx = 0; idx < argc; idx++) {
10084			bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10085					 MDIO_848xx_CMD_HDLR_DATA1 + idx,
10086					 cmd_args[idx]);
10087		}
10088	}
10089
10090	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10091			MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10092	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10093		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10094				MDIO_848xx_CMD_HDLR_STATUS, &val);
10095		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
10096		    (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
10097			break;
10098		usleep_range(1000, 2000);
10099	}
10100	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10101	    (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
10102		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
10103		rc = -EINVAL;
10104	}
10105	if (process == PHY84833_MB_PROCESS3 && rc == 0) {
10106		/* Gather returning data */
10107		for (idx = 0; idx < argc; idx++) {
10108			bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10109					MDIO_848xx_CMD_HDLR_DATA1 + idx,
10110					&cmd_args[idx]);
10111		}
10112	}
10113	if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR ||
10114	    val == PHY84833_STATUS_CMD_COMPLETE_PASS) {
10115		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10116				 MDIO_848xx_CMD_HDLR_STATUS,
10117				 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
10118	}
10119	return rc;
10120}
10121
10122static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy,
10123				struct link_params *params,
10124				u16 fw_cmd,
10125					   u16 cmd_args[], int argc,
10126					   int process)
10127{
10128	struct bnx2x *bp = params->bp;
10129
10130	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
10131	    (REG_RD(bp, params->shmem2_base +
10132		    offsetof(struct shmem2_region,
10133			     link_attr_sync[params->port])) &
10134	     LINK_ATTR_84858)) {
10135		return bnx2x_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
10136					    argc);
10137	} else {
10138		return bnx2x_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
10139					    argc, process);
10140	}
10141}
10142
10143static int bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy *phy,
10144				     struct link_params *params,
10145				     struct link_vars *vars)
10146{
10147	u32 pair_swap;
10148	u16 data[PHY848xx_CMDHDLR_MAX_ARGS];
10149	int status;
10150	struct bnx2x *bp = params->bp;
10151
10152	/* Check for configuration. */
10153	pair_swap = REG_RD(bp, params->shmem_base +
10154			   offsetof(struct shmem_region,
10155			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
10156		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
10157
10158	if (pair_swap == 0)
10159		return 0;
10160
10161	/* Only the second argument is used for this command */
10162	data[1] = (u16)pair_swap;
10163
10164	status = bnx2x_848xx_cmd_hdlr(phy, params,
10165				      PHY848xx_CMD_SET_PAIR_SWAP, data,
10166				      2, PHY84833_MB_PROCESS2);
10167	if (status == 0)
10168		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
10169
10170	return status;
10171}
10172
10173static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
10174				      u32 shmem_base_path[],
10175				      u32 chip_id)
10176{
10177	u32 reset_pin[2];
10178	u32 idx;
10179	u8 reset_gpios;
10180	if (CHIP_IS_E3(bp)) {
10181		/* Assume that these will be GPIOs, not EPIOs. */
10182		for (idx = 0; idx < 2; idx++) {
10183			/* Map config param to register bit. */
10184			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10185				offsetof(struct shmem_region,
10186				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
10187			reset_pin[idx] = (reset_pin[idx] &
10188				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10189				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10190			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
10191			reset_pin[idx] = (1 << reset_pin[idx]);
10192		}
10193		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10194	} else {
10195		/* E2, look from diff place of shmem. */
10196		for (idx = 0; idx < 2; idx++) {
10197			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10198				offsetof(struct shmem_region,
10199				dev_info.port_hw_config[0].default_cfg));
10200			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10201			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10202			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10203			reset_pin[idx] = (1 << reset_pin[idx]);
10204		}
10205		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10206	}
10207
10208	return reset_gpios;
10209}
10210
10211static void bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10212				     struct link_params *params)
10213{
10214	struct bnx2x *bp = params->bp;
10215	u8 reset_gpios;
10216	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10217				offsetof(struct shmem2_region,
10218				other_shmem_base_addr));
10219
10220	u32 shmem_base_path[2];
10221
10222	/* Work around for 84833 LED failure inside RESET status */
10223	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10224		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10225		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10226	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10227		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10228		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10229
10230	shmem_base_path[0] = params->shmem_base;
10231	shmem_base_path[1] = other_shmem_base_addr;
10232
10233	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10234						  params->chip_id);
10235
10236	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10237	udelay(10);
10238	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10239		reset_gpios);
10240}
10241
10242static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10243				   struct link_params *params,
10244				   struct link_vars *vars)
10245{
10246	int rc;
10247	struct bnx2x *bp = params->bp;
10248	u16 cmd_args = 0;
10249
10250	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10251
10252	/* Prevent Phy from working in EEE and advertising it */
10253	rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
10254				  &cmd_args, 1, PHY84833_MB_PROCESS1);
10255	if (rc) {
10256		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10257		return rc;
10258	}
10259
10260	return bnx2x_eee_disable(phy, params, vars);
10261}
10262
10263static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10264				   struct link_params *params,
10265				   struct link_vars *vars)
10266{
10267	int rc;
10268	struct bnx2x *bp = params->bp;
10269	u16 cmd_args = 1;
10270
10271	rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
10272				  &cmd_args, 1, PHY84833_MB_PROCESS1);
10273	if (rc) {
10274		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10275		return rc;
10276	}
10277
10278	return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10279}
10280
10281#define PHY84833_CONSTANT_LATENCY 1193
10282static void bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10283				    struct link_params *params,
10284				    struct link_vars *vars)
10285{
10286	struct bnx2x *bp = params->bp;
10287	u8 port, initialize = 1;
10288	u16 val;
10289	u32 actual_phy_selection;
10290	u16 cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
10291	int rc = 0;
10292
10293	usleep_range(1000, 2000);
10294
10295	if (!(CHIP_IS_E1x(bp)))
10296		port = BP_PATH(bp);
10297	else
10298		port = params->port;
10299
10300	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10301		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10302			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10303			       port);
10304	} else {
10305		/* MDIO reset */
10306		bnx2x_cl45_write(bp, phy,
10307				MDIO_PMA_DEVAD,
10308				MDIO_PMA_REG_CTRL, 0x8000);
10309	}
10310
10311	bnx2x_wait_reset_complete(bp, phy, params);
10312
10313	/* Wait for GPHY to come out of reset */
10314	msleep(50);
10315	if (!bnx2x_is_8483x_8485x(phy)) {
10316		/* BCM84823 requires that XGXS links up first @ 10G for normal
10317		 * behavior.
10318		 */
10319		u16 temp;
10320		temp = vars->line_speed;
10321		vars->line_speed = SPEED_10000;
10322		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10323		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10324		vars->line_speed = temp;
10325	}
10326	/* Check if this is actually BCM84858 */
10327	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10328		u16 hw_rev;
10329
10330		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10331				MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
10332		if (hw_rev == BCM84858_PHY_ID) {
10333			params->link_attr_sync |= LINK_ATTR_84858;
10334			bnx2x_update_link_attr(params, params->link_attr_sync);
10335		}
10336	}
10337
10338	/* Set dual-media configuration according to configuration */
10339	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10340			MDIO_CTL_REG_84823_MEDIA, &val);
10341	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10342		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10343		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10344		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10345		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10346
10347	if (CHIP_IS_E3(bp)) {
10348		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10349			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10350	} else {
10351		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10352			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10353	}
10354
10355	actual_phy_selection = bnx2x_phy_selection(params);
10356
10357	switch (actual_phy_selection) {
10358	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10359		/* Do nothing. Essentially this is like the priority copper */
10360		break;
10361	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10362		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10363		break;
10364	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10365		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10366		break;
10367	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10368		/* Do nothing here. The first PHY won't be initialized at all */
10369		break;
10370	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10371		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10372		initialize = 0;
10373		break;
10374	}
10375	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10376		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10377
10378	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10379			 MDIO_CTL_REG_84823_MEDIA, val);
10380	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10381		   params->multi_phy_config, val);
10382
10383	if (bnx2x_is_8483x_8485x(phy)) {
10384		bnx2x_848xx_pair_swap_cfg(phy, params, vars);
10385
10386		/* Keep AutogrEEEn disabled. */
10387		cmd_args[0] = 0x0;
10388		cmd_args[1] = 0x0;
10389		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10390		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10391		rc = bnx2x_848xx_cmd_hdlr(phy, params,
10392					  PHY848xx_CMD_SET_EEE_MODE, cmd_args,
10393					  4, PHY84833_MB_PROCESS1);
10394		if (rc)
10395			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10396	}
10397	if (initialize)
10398		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10399	else
10400		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10401	/* 84833 PHY has a better feature and doesn't need to support this. */
10402	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10403		u32 cms_enable = REG_RD(bp, params->shmem_base +
10404			offsetof(struct shmem_region,
10405			dev_info.port_hw_config[params->port].default_cfg)) &
10406			PORT_HW_CFG_ENABLE_CMS_MASK;
10407
10408		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10409				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10410		if (cms_enable)
10411			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10412		else
10413			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10414		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10415				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10416	}
10417
10418	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10419			MDIO_84833_TOP_CFG_FW_REV, &val);
10420
10421	/* Configure EEE support */
10422	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10423	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10424	    bnx2x_eee_has_cap(params)) {
10425		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10426		if (rc) {
10427			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10428			bnx2x_8483x_disable_eee(phy, params, vars);
10429			return;
10430		}
10431
10432		if ((phy->req_duplex == DUPLEX_FULL) &&
10433		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
10434		    (bnx2x_eee_calc_timer(params) ||
10435		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10436			rc = bnx2x_8483x_enable_eee(phy, params, vars);
10437		else
10438			rc = bnx2x_8483x_disable_eee(phy, params, vars);
10439		if (rc) {
10440			DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10441			return;
10442		}
10443	} else {
10444		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10445	}
10446
10447	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10448		/* Additional settings for jumbo packets in 1000BASE-T mode */
10449		/* Allow rx extended length */
10450		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10451				MDIO_AN_REG_8481_AUX_CTRL, &val);
10452		val |= 0x4000;
10453		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10454				 MDIO_AN_REG_8481_AUX_CTRL, val);
10455		/* TX FIFO Elasticity LSB */
10456		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10457				MDIO_AN_REG_8481_1G_100T_EXT_CTRL, &val);
10458		val |= 0x1;
10459		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10460				 MDIO_AN_REG_8481_1G_100T_EXT_CTRL, val);
10461		/* TX FIFO Elasticity MSB */
10462		/* Enable expansion register 0x46 (Pattern Generator status) */
10463		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10464				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf46);
10465
10466		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10467				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, &val);
10468		val |= 0x4000;
10469		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10470				 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, val);
10471	}
10472
10473	if (bnx2x_is_8483x_8485x(phy)) {
10474		/* Bring PHY out of super isolate mode as the final step. */
10475		bnx2x_cl45_read_and_write(bp, phy,
10476					  MDIO_CTL_DEVAD,
10477					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10478					  (u16)~MDIO_84833_SUPER_ISOLATE);
10479	}
10480}
10481
10482static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10483				  struct link_params *params,
10484				  struct link_vars *vars)
10485{
10486	struct bnx2x *bp = params->bp;
10487	u16 val, val1, val2;
10488	u8 link_up = 0;
10489
10490
10491	/* Check 10G-BaseT link status */
10492	/* Check PMD signal ok */
10493	bnx2x_cl45_read(bp, phy,
10494			MDIO_AN_DEVAD, 0xFFFA, &val1);
10495	bnx2x_cl45_read(bp, phy,
10496			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10497			&val2);
10498	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10499
10500	/* Check link 10G */
10501	if (val2 & (1<<11)) {
10502		vars->line_speed = SPEED_10000;
10503		vars->duplex = DUPLEX_FULL;
10504		link_up = 1;
10505		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10506	} else { /* Check Legacy speed link */
10507		u16 legacy_status, legacy_speed;
10508
10509		/* Enable expansion register 0x42 (Operation mode status) */
10510		bnx2x_cl45_write(bp, phy,
10511				 MDIO_AN_DEVAD,
10512				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10513
10514		/* Get legacy speed operation status */
10515		bnx2x_cl45_read(bp, phy,
10516				MDIO_AN_DEVAD,
10517				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10518				&legacy_status);
10519
10520		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10521		   legacy_status);
10522		link_up = ((legacy_status & (1<<11)) == (1<<11));
10523		legacy_speed = (legacy_status & (3<<9));
10524		if (legacy_speed == (0<<9))
10525			vars->line_speed = SPEED_10;
10526		else if (legacy_speed == (1<<9))
10527			vars->line_speed = SPEED_100;
10528		else if (legacy_speed == (2<<9))
10529			vars->line_speed = SPEED_1000;
10530		else { /* Should not happen: Treat as link down */
10531			vars->line_speed = 0;
10532			link_up = 0;
10533		}
10534
10535		if (link_up) {
10536			if (legacy_status & (1<<8))
10537				vars->duplex = DUPLEX_FULL;
10538			else
10539				vars->duplex = DUPLEX_HALF;
10540
10541			DP(NETIF_MSG_LINK,
10542			   "Link is up in %dMbps, is_duplex_full= %d\n",
10543			   vars->line_speed,
10544			   (vars->duplex == DUPLEX_FULL));
10545			/* Check legacy speed AN resolution */
10546			bnx2x_cl45_read(bp, phy,
10547					MDIO_AN_DEVAD,
10548					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10549					&val);
10550			if (val & (1<<5))
10551				vars->link_status |=
10552					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10553			bnx2x_cl45_read(bp, phy,
10554					MDIO_AN_DEVAD,
10555					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10556					&val);
10557			if ((val & (1<<0)) == 0)
10558				vars->link_status |=
10559					LINK_STATUS_PARALLEL_DETECTION_USED;
10560		}
10561	}
10562	if (link_up) {
10563		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10564			   vars->line_speed);
10565		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10566
10567		/* Read LP advertised speeds */
10568		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10569				MDIO_AN_REG_CL37_FC_LP, &val);
10570		if (val & (1<<5))
10571			vars->link_status |=
10572				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10573		if (val & (1<<6))
10574			vars->link_status |=
10575				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10576		if (val & (1<<7))
10577			vars->link_status |=
10578				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10579		if (val & (1<<8))
10580			vars->link_status |=
10581				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10582		if (val & (1<<9))
10583			vars->link_status |=
10584				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10585
10586		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10587				MDIO_AN_REG_1000T_STATUS, &val);
10588
10589		if (val & (1<<10))
10590			vars->link_status |=
10591				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10592		if (val & (1<<11))
10593			vars->link_status |=
10594				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10595
10596		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10597				MDIO_AN_REG_MASTER_STATUS, &val);
10598
10599		if (val & (1<<11))
10600			vars->link_status |=
10601				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10602
10603		/* Determine if EEE was negotiated */
10604		if (bnx2x_is_8483x_8485x(phy))
10605			bnx2x_eee_an_resolve(phy, params, vars);
10606	}
10607
10608	return link_up;
10609}
10610
10611static int bnx2x_8485x_format_ver(u32 raw_ver, u8 *str, u16 *len)
10612{
10613	u32 num;
10614
10615	num = ((raw_ver & 0xF80) >> 7) << 16 | ((raw_ver & 0x7F) << 8) |
10616	      ((raw_ver & 0xF000) >> 12);
10617	return bnx2x_3_seq_format_ver(num, str, len);
10618}
10619
10620static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10621{
10622	u32 spirom_ver;
10623
10624	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10625	return bnx2x_format_ver(spirom_ver, str, len);
10626}
10627
10628static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10629				struct link_params *params)
10630{
10631	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10632		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10633	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10634		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10635}
10636
10637static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10638					struct link_params *params)
10639{
10640	bnx2x_cl45_write(params->bp, phy,
10641			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10642	bnx2x_cl45_write(params->bp, phy,
10643			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10644}
10645
10646static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10647				   struct link_params *params)
10648{
10649	struct bnx2x *bp = params->bp;
10650	u8 port;
10651	u16 val16;
10652
10653	if (!(CHIP_IS_E1x(bp)))
10654		port = BP_PATH(bp);
10655	else
10656		port = params->port;
10657
10658	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10659		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10660			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
10661			       port);
10662	} else {
10663		bnx2x_cl45_read(bp, phy,
10664				MDIO_CTL_DEVAD,
10665				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10666		val16 |= MDIO_84833_SUPER_ISOLATE;
10667		bnx2x_cl45_write(bp, phy,
10668				 MDIO_CTL_DEVAD,
10669				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10670	}
10671}
10672
10673static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10674				     struct link_params *params, u8 mode)
10675{
10676	struct bnx2x *bp = params->bp;
10677	u16 val;
10678	u8 port;
10679
10680	if (!(CHIP_IS_E1x(bp)))
10681		port = BP_PATH(bp);
10682	else
10683		port = params->port;
10684
10685	switch (mode) {
10686	case LED_MODE_OFF:
10687
10688		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10689
10690		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10691		    SHARED_HW_CFG_LED_EXTPHY1) {
10692
10693			/* Set LED masks */
10694			bnx2x_cl45_write(bp, phy,
10695					MDIO_PMA_DEVAD,
10696					MDIO_PMA_REG_8481_LED1_MASK,
10697					0x0);
10698
10699			bnx2x_cl45_write(bp, phy,
10700					MDIO_PMA_DEVAD,
10701					MDIO_PMA_REG_8481_LED2_MASK,
10702					0x0);
10703
10704			bnx2x_cl45_write(bp, phy,
10705					MDIO_PMA_DEVAD,
10706					MDIO_PMA_REG_8481_LED3_MASK,
10707					0x0);
10708
10709			bnx2x_cl45_write(bp, phy,
10710					MDIO_PMA_DEVAD,
10711					MDIO_PMA_REG_8481_LED5_MASK,
10712					0x0);
10713
10714		} else {
10715			/* LED 1 OFF */
10716			bnx2x_cl45_write(bp, phy,
10717					 MDIO_PMA_DEVAD,
10718					 MDIO_PMA_REG_8481_LED1_MASK,
10719					 0x0);
10720
10721			if (phy->type ==
10722				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10723				/* LED 2 OFF */
10724				bnx2x_cl45_write(bp, phy,
10725						 MDIO_PMA_DEVAD,
10726						 MDIO_PMA_REG_8481_LED2_MASK,
10727						 0x0);
10728				/* LED 3 OFF */
10729				bnx2x_cl45_write(bp, phy,
10730						 MDIO_PMA_DEVAD,
10731						 MDIO_PMA_REG_8481_LED3_MASK,
10732						 0x0);
10733			}
10734		}
10735		break;
10736	case LED_MODE_FRONT_PANEL_OFF:
10737
10738		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10739		   port);
10740
10741		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10742		    SHARED_HW_CFG_LED_EXTPHY1) {
10743
10744			/* Set LED masks */
10745			bnx2x_cl45_write(bp, phy,
10746					 MDIO_PMA_DEVAD,
10747					 MDIO_PMA_REG_8481_LED1_MASK,
10748					 0x0);
10749
10750			bnx2x_cl45_write(bp, phy,
10751					 MDIO_PMA_DEVAD,
10752					 MDIO_PMA_REG_8481_LED2_MASK,
10753					 0x0);
10754
10755			bnx2x_cl45_write(bp, phy,
10756					 MDIO_PMA_DEVAD,
10757					 MDIO_PMA_REG_8481_LED3_MASK,
10758					 0x0);
10759
10760			bnx2x_cl45_write(bp, phy,
10761					 MDIO_PMA_DEVAD,
10762					 MDIO_PMA_REG_8481_LED5_MASK,
10763					 0x20);
10764
10765		} else {
10766			bnx2x_cl45_write(bp, phy,
10767					 MDIO_PMA_DEVAD,
10768					 MDIO_PMA_REG_8481_LED1_MASK,
10769					 0x0);
10770			if (phy->type ==
10771			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10772				/* Disable MI_INT interrupt before setting LED4
10773				 * source to constant off.
10774				 */
10775				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10776					   params->port*4) &
10777				    NIG_MASK_MI_INT) {
10778					params->link_flags |=
10779					LINK_FLAGS_INT_DISABLED;
10780
10781					bnx2x_bits_dis(
10782						bp,
10783						NIG_REG_MASK_INTERRUPT_PORT0 +
10784						params->port*4,
10785						NIG_MASK_MI_INT);
10786				}
10787				bnx2x_cl45_write(bp, phy,
10788						 MDIO_PMA_DEVAD,
10789						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10790						 0x0);
10791			}
10792			if (phy->type ==
10793				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10794				/* LED 2 OFF */
10795				bnx2x_cl45_write(bp, phy,
10796						 MDIO_PMA_DEVAD,
10797						 MDIO_PMA_REG_8481_LED2_MASK,
10798						 0x0);
10799				/* LED 3 OFF */
10800				bnx2x_cl45_write(bp, phy,
10801						 MDIO_PMA_DEVAD,
10802						 MDIO_PMA_REG_8481_LED3_MASK,
10803						 0x0);
10804			}
10805		}
10806		break;
10807	case LED_MODE_ON:
10808
10809		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10810
10811		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10812		    SHARED_HW_CFG_LED_EXTPHY1) {
10813			/* Set control reg */
10814			bnx2x_cl45_read(bp, phy,
10815					MDIO_PMA_DEVAD,
10816					MDIO_PMA_REG_8481_LINK_SIGNAL,
10817					&val);
10818			val &= 0x8000;
10819			val |= 0x2492;
10820
10821			bnx2x_cl45_write(bp, phy,
10822					 MDIO_PMA_DEVAD,
10823					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10824					 val);
10825
10826			/* Set LED masks */
10827			bnx2x_cl45_write(bp, phy,
10828					 MDIO_PMA_DEVAD,
10829					 MDIO_PMA_REG_8481_LED1_MASK,
10830					 0x0);
10831
10832			bnx2x_cl45_write(bp, phy,
10833					 MDIO_PMA_DEVAD,
10834					 MDIO_PMA_REG_8481_LED2_MASK,
10835					 0x20);
10836
10837			bnx2x_cl45_write(bp, phy,
10838					 MDIO_PMA_DEVAD,
10839					 MDIO_PMA_REG_8481_LED3_MASK,
10840					 0x20);
10841
10842			bnx2x_cl45_write(bp, phy,
10843					 MDIO_PMA_DEVAD,
10844					 MDIO_PMA_REG_8481_LED5_MASK,
10845					 0x0);
10846		} else {
10847			bnx2x_cl45_write(bp, phy,
10848					 MDIO_PMA_DEVAD,
10849					 MDIO_PMA_REG_8481_LED1_MASK,
10850					 0x20);
10851			if (phy->type ==
10852			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10853				/* Disable MI_INT interrupt before setting LED4
10854				 * source to constant on.
10855				 */
10856				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10857					   params->port*4) &
10858				    NIG_MASK_MI_INT) {
10859					params->link_flags |=
10860					LINK_FLAGS_INT_DISABLED;
10861
10862					bnx2x_bits_dis(
10863						bp,
10864						NIG_REG_MASK_INTERRUPT_PORT0 +
10865						params->port*4,
10866						NIG_MASK_MI_INT);
10867				}
10868			}
10869			if (phy->type ==
10870			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10871				/* Tell LED3 to constant on */
10872				bnx2x_cl45_read(bp, phy,
10873						MDIO_PMA_DEVAD,
10874						MDIO_PMA_REG_8481_LINK_SIGNAL,
10875						&val);
10876				val &= ~(7<<6);
10877				val |= (2<<6);  /* A83B[8:6]= 2 */
10878				bnx2x_cl45_write(bp, phy,
10879						 MDIO_PMA_DEVAD,
10880						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10881						 val);
10882				bnx2x_cl45_write(bp, phy,
10883						 MDIO_PMA_DEVAD,
10884						 MDIO_PMA_REG_8481_LED3_MASK,
10885						 0x20);
10886			} else {
10887				bnx2x_cl45_write(bp, phy,
10888						 MDIO_PMA_DEVAD,
10889						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10890						 0x20);
10891			}
10892		}
10893		break;
10894
10895	case LED_MODE_OPER:
10896
10897		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10898
10899		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10900		    SHARED_HW_CFG_LED_EXTPHY1) {
10901
10902			/* Set control reg */
10903			bnx2x_cl45_read(bp, phy,
10904					MDIO_PMA_DEVAD,
10905					MDIO_PMA_REG_8481_LINK_SIGNAL,
10906					&val);
10907
10908			if (!((val &
10909			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10910			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10911				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10912				bnx2x_cl45_write(bp, phy,
10913						 MDIO_PMA_DEVAD,
10914						 MDIO_PMA_REG_8481_LINK_SIGNAL,
10915						 0xa492);
10916			}
10917
10918			/* Set LED masks */
10919			bnx2x_cl45_write(bp, phy,
10920					 MDIO_PMA_DEVAD,
10921					 MDIO_PMA_REG_8481_LED1_MASK,
10922					 0x10);
10923
10924			bnx2x_cl45_write(bp, phy,
10925					 MDIO_PMA_DEVAD,
10926					 MDIO_PMA_REG_8481_LED2_MASK,
10927					 0x80);
10928
10929			bnx2x_cl45_write(bp, phy,
10930					 MDIO_PMA_DEVAD,
10931					 MDIO_PMA_REG_8481_LED3_MASK,
10932					 0x98);
10933
10934			bnx2x_cl45_write(bp, phy,
10935					 MDIO_PMA_DEVAD,
10936					 MDIO_PMA_REG_8481_LED5_MASK,
10937					 0x40);
10938
10939		} else {
10940			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10941			 * sources are all wired through LED1, rather than only
10942			 * 10G in other modes.
10943			 */
10944			val = ((params->hw_led_mode <<
10945				SHARED_HW_CFG_LED_MODE_SHIFT) ==
10946			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10947
10948			bnx2x_cl45_write(bp, phy,
10949					 MDIO_PMA_DEVAD,
10950					 MDIO_PMA_REG_8481_LED1_MASK,
10951					 val);
10952
10953			/* Tell LED3 to blink on source */
10954			bnx2x_cl45_read(bp, phy,
10955					MDIO_PMA_DEVAD,
10956					MDIO_PMA_REG_8481_LINK_SIGNAL,
10957					&val);
10958			val &= ~(7<<6);
10959			val |= (1<<6); /* A83B[8:6]= 1 */
10960			bnx2x_cl45_write(bp, phy,
10961					 MDIO_PMA_DEVAD,
10962					 MDIO_PMA_REG_8481_LINK_SIGNAL,
10963					 val);
10964			if (phy->type ==
10965			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10966				bnx2x_cl45_write(bp, phy,
10967						 MDIO_PMA_DEVAD,
10968						 MDIO_PMA_REG_8481_LED2_MASK,
10969						 0x18);
10970				bnx2x_cl45_write(bp, phy,
10971						 MDIO_PMA_DEVAD,
10972						 MDIO_PMA_REG_8481_LED3_MASK,
10973						 0x06);
10974			}
10975			if (phy->type ==
10976			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10977				/* Restore LED4 source to external link,
10978				 * and re-enable interrupts.
10979				 */
10980				bnx2x_cl45_write(bp, phy,
10981						 MDIO_PMA_DEVAD,
10982						 MDIO_PMA_REG_8481_SIGNAL_MASK,
10983						 0x40);
10984				if (params->link_flags &
10985				    LINK_FLAGS_INT_DISABLED) {
10986					bnx2x_link_int_enable(params);
10987					params->link_flags &=
10988						~LINK_FLAGS_INT_DISABLED;
10989				}
10990			}
10991		}
10992		break;
10993	}
10994
10995	/* This is a workaround for E3+84833 until autoneg
10996	 * restart is fixed in f/w
10997	 */
10998	if (CHIP_IS_E3(bp)) {
10999		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
11000				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
11001	}
11002}
11003
11004/******************************************************************/
11005/*			54618SE PHY SECTION			  */
11006/******************************************************************/
11007static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
11008					struct link_params *params,
11009					u32 action)
11010{
11011	struct bnx2x *bp = params->bp;
11012	u16 temp;
11013	switch (action) {
11014	case PHY_INIT:
11015		/* Configure LED4: set to INTR (0x6). */
11016		/* Accessing shadow register 0xe. */
11017		bnx2x_cl22_write(bp, phy,
11018				 MDIO_REG_GPHY_SHADOW,
11019				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
11020		bnx2x_cl22_read(bp, phy,
11021				MDIO_REG_GPHY_SHADOW,
11022				&temp);
11023		temp &= ~(0xf << 4);
11024		temp |= (0x6 << 4);
11025		bnx2x_cl22_write(bp, phy,
11026				 MDIO_REG_GPHY_SHADOW,
11027				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11028		/* Configure INTR based on link status change. */
11029		bnx2x_cl22_write(bp, phy,
11030				 MDIO_REG_INTR_MASK,
11031				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
11032		break;
11033	}
11034}
11035
11036static void bnx2x_54618se_config_init(struct bnx2x_phy *phy,
11037				      struct link_params *params,
11038				      struct link_vars *vars)
11039{
11040	struct bnx2x *bp = params->bp;
11041	u8 port;
11042	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
11043	u32 cfg_pin;
11044
11045	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
11046	usleep_range(1000, 2000);
11047
11048	/* This works with E3 only, no need to check the chip
11049	 * before determining the port.
11050	 */
11051	port = params->port;
11052
11053	cfg_pin = (REG_RD(bp, params->shmem_base +
11054			offsetof(struct shmem_region,
11055			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11056			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11057			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11058
11059	/* Drive pin high to bring the GPHY out of reset. */
11060	bnx2x_set_cfg_pin(bp, cfg_pin, 1);
11061
11062	/* wait for GPHY to reset */
11063	msleep(50);
11064
11065	/* reset phy */
11066	bnx2x_cl22_write(bp, phy,
11067			 MDIO_PMA_REG_CTRL, 0x8000);
11068	bnx2x_wait_reset_complete(bp, phy, params);
11069
11070	/* Wait for GPHY to reset */
11071	msleep(50);
11072
11073
11074	bnx2x_54618se_specific_func(phy, params, PHY_INIT);
11075	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
11076	bnx2x_cl22_write(bp, phy,
11077			MDIO_REG_GPHY_SHADOW,
11078			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
11079	bnx2x_cl22_read(bp, phy,
11080			MDIO_REG_GPHY_SHADOW,
11081			&temp);
11082	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
11083	bnx2x_cl22_write(bp, phy,
11084			MDIO_REG_GPHY_SHADOW,
11085			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11086
11087	/* Set up fc */
11088	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
11089	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
11090	fc_val = 0;
11091	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
11092			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
11093		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
11094
11095	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
11096			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
11097		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
11098
11099	/* Read all advertisement */
11100	bnx2x_cl22_read(bp, phy,
11101			0x09,
11102			&an_1000_val);
11103
11104	bnx2x_cl22_read(bp, phy,
11105			0x04,
11106			&an_10_100_val);
11107
11108	bnx2x_cl22_read(bp, phy,
11109			MDIO_PMA_REG_CTRL,
11110			&autoneg_val);
11111
11112	/* Disable forced speed */
11113	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
11114	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
11115			   (1<<11));
11116
11117	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
11118	     (phy->speed_cap_mask &
11119	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
11120	    (phy->req_line_speed == SPEED_1000)) {
11121		an_1000_val |= (1<<8);
11122		autoneg_val |= (1<<9 | 1<<12);
11123		if (phy->req_duplex == DUPLEX_FULL)
11124			an_1000_val |= (1<<9);
11125		DP(NETIF_MSG_LINK, "Advertising 1G\n");
11126	} else
11127		an_1000_val &= ~((1<<8) | (1<<9));
11128
11129	bnx2x_cl22_write(bp, phy,
11130			0x09,
11131			an_1000_val);
11132	bnx2x_cl22_read(bp, phy,
11133			0x09,
11134			&an_1000_val);
11135
11136	/* Advertise 10/100 link speed */
11137	if (phy->req_line_speed == SPEED_AUTO_NEG) {
11138		if (phy->speed_cap_mask &
11139		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
11140			an_10_100_val |= (1<<5);
11141			autoneg_val |= (1<<9 | 1<<12);
11142			DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
11143		}
11144		if (phy->speed_cap_mask &
11145		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
11146			an_10_100_val |= (1<<6);
11147			autoneg_val |= (1<<9 | 1<<12);
11148			DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
11149		}
11150		if (phy->speed_cap_mask &
11151		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
11152			an_10_100_val |= (1<<7);
11153			autoneg_val |= (1<<9 | 1<<12);
11154			DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
11155		}
11156		if (phy->speed_cap_mask &
11157		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
11158			an_10_100_val |= (1<<8);
11159			autoneg_val |= (1<<9 | 1<<12);
11160			DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
11161		}
11162	}
11163
11164	/* Only 10/100 are allowed to work in FORCE mode */
11165	if (phy->req_line_speed == SPEED_100) {
11166		autoneg_val |= (1<<13);
11167		/* Enabled AUTO-MDIX when autoneg is disabled */
11168		bnx2x_cl22_write(bp, phy,
11169				0x18,
11170				(1<<15 | 1<<9 | 7<<0));
11171		DP(NETIF_MSG_LINK, "Setting 100M force\n");
11172	}
11173	if (phy->req_line_speed == SPEED_10) {
11174		/* Enabled AUTO-MDIX when autoneg is disabled */
11175		bnx2x_cl22_write(bp, phy,
11176				0x18,
11177				(1<<15 | 1<<9 | 7<<0));
11178		DP(NETIF_MSG_LINK, "Setting 10M force\n");
11179	}
11180
11181	if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
11182		int rc;
11183
11184		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
11185				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
11186				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
11187		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
11188		temp &= 0xfffe;
11189		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
11190
11191		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
11192		if (rc) {
11193			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
11194			bnx2x_eee_disable(phy, params, vars);
11195		} else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
11196			   (phy->req_duplex == DUPLEX_FULL) &&
11197			   (bnx2x_eee_calc_timer(params) ||
11198			    !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
11199			/* Need to advertise EEE only when requested,
11200			 * and either no LPI assertion was requested,
11201			 * or it was requested and a valid timer was set.
11202			 * Also notice full duplex is required for EEE.
11203			 */
11204			bnx2x_eee_advertise(phy, params, vars,
11205					    SHMEM_EEE_1G_ADV);
11206		} else {
11207			DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
11208			bnx2x_eee_disable(phy, params, vars);
11209		}
11210	} else {
11211		vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
11212				    SHMEM_EEE_SUPPORTED_SHIFT;
11213
11214		if (phy->flags & FLAGS_EEE) {
11215			/* Handle legacy auto-grEEEn */
11216			if (params->feature_config_flags &
11217			    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
11218				temp = 6;
11219				DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
11220			} else {
11221				temp = 0;
11222				DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
11223			}
11224			bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
11225					 MDIO_AN_REG_EEE_ADV, temp);
11226		}
11227	}
11228
11229	bnx2x_cl22_write(bp, phy,
11230			0x04,
11231			an_10_100_val | fc_val);
11232
11233	if (phy->req_duplex == DUPLEX_FULL)
11234		autoneg_val |= (1<<8);
11235
11236	bnx2x_cl22_write(bp, phy,
11237			MDIO_PMA_REG_CTRL, autoneg_val);
11238}
11239
11240
11241static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
11242				       struct link_params *params, u8 mode)
11243{
11244	struct bnx2x *bp = params->bp;
11245	u16 temp;
11246
11247	bnx2x_cl22_write(bp, phy,
11248		MDIO_REG_GPHY_SHADOW,
11249		MDIO_REG_GPHY_SHADOW_LED_SEL1);
11250	bnx2x_cl22_read(bp, phy,
11251		MDIO_REG_GPHY_SHADOW,
11252		&temp);
11253	temp &= 0xff00;
11254
11255	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
11256	switch (mode) {
11257	case LED_MODE_FRONT_PANEL_OFF:
11258	case LED_MODE_OFF:
11259		temp |= 0x00ee;
11260		break;
11261	case LED_MODE_OPER:
11262		temp |= 0x0001;
11263		break;
11264	case LED_MODE_ON:
11265		temp |= 0x00ff;
11266		break;
11267	default:
11268		break;
11269	}
11270	bnx2x_cl22_write(bp, phy,
11271		MDIO_REG_GPHY_SHADOW,
11272		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11273	return;
11274}
11275
11276
11277static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
11278				     struct link_params *params)
11279{
11280	struct bnx2x *bp = params->bp;
11281	u32 cfg_pin;
11282	u8 port;
11283
11284	/* In case of no EPIO routed to reset the GPHY, put it
11285	 * in low power mode.
11286	 */
11287	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
11288	/* This works with E3 only, no need to check the chip
11289	 * before determining the port.
11290	 */
11291	port = params->port;
11292	cfg_pin = (REG_RD(bp, params->shmem_base +
11293			offsetof(struct shmem_region,
11294			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11295			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11296			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11297
11298	/* Drive pin low to put GPHY in reset. */
11299	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11300}
11301
11302static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11303				    struct link_params *params,
11304				    struct link_vars *vars)
11305{
11306	struct bnx2x *bp = params->bp;
11307	u16 val;
11308	u8 link_up = 0;
11309	u16 legacy_status, legacy_speed;
11310
11311	/* Get speed operation status */
11312	bnx2x_cl22_read(bp, phy,
11313			MDIO_REG_GPHY_AUX_STATUS,
11314			&legacy_status);
11315	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11316
11317	/* Read status to clear the PHY interrupt. */
11318	bnx2x_cl22_read(bp, phy,
11319			MDIO_REG_INTR_STATUS,
11320			&val);
11321
11322	link_up = ((legacy_status & (1<<2)) == (1<<2));
11323
11324	if (link_up) {
11325		legacy_speed = (legacy_status & (7<<8));
11326		if (legacy_speed == (7<<8)) {
11327			vars->line_speed = SPEED_1000;
11328			vars->duplex = DUPLEX_FULL;
11329		} else if (legacy_speed == (6<<8)) {
11330			vars->line_speed = SPEED_1000;
11331			vars->duplex = DUPLEX_HALF;
11332		} else if (legacy_speed == (5<<8)) {
11333			vars->line_speed = SPEED_100;
11334			vars->duplex = DUPLEX_FULL;
11335		}
11336		/* Omitting 100Base-T4 for now */
11337		else if (legacy_speed == (3<<8)) {
11338			vars->line_speed = SPEED_100;
11339			vars->duplex = DUPLEX_HALF;
11340		} else if (legacy_speed == (2<<8)) {
11341			vars->line_speed = SPEED_10;
11342			vars->duplex = DUPLEX_FULL;
11343		} else if (legacy_speed == (1<<8)) {
11344			vars->line_speed = SPEED_10;
11345			vars->duplex = DUPLEX_HALF;
11346		} else /* Should not happen */
11347			vars->line_speed = 0;
11348
11349		DP(NETIF_MSG_LINK,
11350		   "Link is up in %dMbps, is_duplex_full= %d\n",
11351		   vars->line_speed,
11352		   (vars->duplex == DUPLEX_FULL));
11353
11354		/* Check legacy speed AN resolution */
11355		bnx2x_cl22_read(bp, phy,
11356				0x01,
11357				&val);
11358		if (val & (1<<5))
11359			vars->link_status |=
11360				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11361		bnx2x_cl22_read(bp, phy,
11362				0x06,
11363				&val);
11364		if ((val & (1<<0)) == 0)
11365			vars->link_status |=
11366				LINK_STATUS_PARALLEL_DETECTION_USED;
11367
11368		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11369			   vars->line_speed);
11370
11371		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11372
11373		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11374			/* Report LP advertised speeds */
11375			bnx2x_cl22_read(bp, phy, 0x5, &val);
11376
11377			if (val & (1<<5))
11378				vars->link_status |=
11379				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11380			if (val & (1<<6))
11381				vars->link_status |=
11382				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11383			if (val & (1<<7))
11384				vars->link_status |=
11385				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11386			if (val & (1<<8))
11387				vars->link_status |=
11388				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11389			if (val & (1<<9))
11390				vars->link_status |=
11391				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11392
11393			bnx2x_cl22_read(bp, phy, 0xa, &val);
11394			if (val & (1<<10))
11395				vars->link_status |=
11396				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11397			if (val & (1<<11))
11398				vars->link_status |=
11399				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11400
11401			if ((phy->flags & FLAGS_EEE) &&
11402			    bnx2x_eee_has_cap(params))
11403				bnx2x_eee_an_resolve(phy, params, vars);
11404		}
11405	}
11406	return link_up;
11407}
11408
11409static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11410					  struct link_params *params)
11411{
11412	struct bnx2x *bp = params->bp;
11413	u16 val;
11414	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11415
11416	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11417
11418	/* Enable master/slave manual mmode and set to master */
11419	/* mii write 9 [bits set 11 12] */
11420	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11421
11422	/* forced 1G and disable autoneg */
11423	/* set val [mii read 0] */
11424	/* set val [expr $val & [bits clear 6 12 13]] */
11425	/* set val [expr $val | [bits set 6 8]] */
11426	/* mii write 0 $val */
11427	bnx2x_cl22_read(bp, phy, 0x00, &val);
11428	val &= ~((1<<6) | (1<<12) | (1<<13));
11429	val |= (1<<6) | (1<<8);
11430	bnx2x_cl22_write(bp, phy, 0x00, val);
11431
11432	/* Set external loopback and Tx using 6dB coding */
11433	/* mii write 0x18 7 */
11434	/* set val [mii read 0x18] */
11435	/* mii write 0x18 [expr $val | [bits set 10 15]] */
11436	bnx2x_cl22_write(bp, phy, 0x18, 7);
11437	bnx2x_cl22_read(bp, phy, 0x18, &val);
11438	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11439
11440	/* This register opens the gate for the UMAC despite its name */
11441	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11442
11443	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11444	 * length used by the MAC receive logic to check frames.
11445	 */
11446	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11447}
11448
11449/******************************************************************/
11450/*			SFX7101 PHY SECTION			  */
11451/******************************************************************/
11452static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11453				       struct link_params *params)
11454{
11455	struct bnx2x *bp = params->bp;
11456	/* SFX7101_XGXS_TEST1 */
11457	bnx2x_cl45_write(bp, phy,
11458			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11459}
11460
11461static void bnx2x_7101_config_init(struct bnx2x_phy *phy,
11462				   struct link_params *params,
11463				   struct link_vars *vars)
11464{
11465	u16 fw_ver1, fw_ver2, val;
11466	struct bnx2x *bp = params->bp;
11467	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11468
11469	/* Restore normal power mode*/
11470	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11471		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11472	/* HW reset */
11473	bnx2x_ext_phy_hw_reset(bp, params->port);
11474	bnx2x_wait_reset_complete(bp, phy, params);
11475
11476	bnx2x_cl45_write(bp, phy,
11477			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11478	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11479	bnx2x_cl45_write(bp, phy,
11480			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11481
11482	bnx2x_ext_phy_set_pause(params, phy, vars);
11483	/* Restart autoneg */
11484	bnx2x_cl45_read(bp, phy,
11485			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11486	val |= 0x200;
11487	bnx2x_cl45_write(bp, phy,
11488			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11489
11490	/* Save spirom version */
11491	bnx2x_cl45_read(bp, phy,
11492			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11493
11494	bnx2x_cl45_read(bp, phy,
11495			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11496	bnx2x_save_spirom_version(bp, params->port,
11497				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11498}
11499
11500static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11501				 struct link_params *params,
11502				 struct link_vars *vars)
11503{
11504	struct bnx2x *bp = params->bp;
11505	u8 link_up;
11506	u16 val1, val2;
11507	bnx2x_cl45_read(bp, phy,
11508			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11509	bnx2x_cl45_read(bp, phy,
11510			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11511	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11512		   val2, val1);
11513	bnx2x_cl45_read(bp, phy,
11514			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11515	bnx2x_cl45_read(bp, phy,
11516			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11517	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11518		   val2, val1);
11519	link_up = ((val1 & 4) == 4);
11520	/* If link is up print the AN outcome of the SFX7101 PHY */
11521	if (link_up) {
11522		bnx2x_cl45_read(bp, phy,
11523				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11524				&val2);
11525		vars->line_speed = SPEED_10000;
11526		vars->duplex = DUPLEX_FULL;
11527		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11528			   val2, (val2 & (1<<14)));
11529		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11530		bnx2x_ext_phy_resolve_fc(phy, params, vars);
11531
11532		/* Read LP advertised speeds */
11533		if (val2 & (1<<11))
11534			vars->link_status |=
11535				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11536	}
11537	return link_up;
11538}
11539
11540static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11541{
11542	if (*len < 5)
11543		return -EINVAL;
11544	str[0] = (spirom_ver & 0xFF);
11545	str[1] = (spirom_ver & 0xFF00) >> 8;
11546	str[2] = (spirom_ver & 0xFF0000) >> 16;
11547	str[3] = (spirom_ver & 0xFF000000) >> 24;
11548	str[4] = '\0';
11549	*len -= 4;
11550	return 0;
11551}
11552
11553void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11554{
11555	u16 val, cnt;
11556
11557	bnx2x_cl45_read(bp, phy,
11558			MDIO_PMA_DEVAD,
11559			MDIO_PMA_REG_7101_RESET, &val);
11560
11561	for (cnt = 0; cnt < 10; cnt++) {
11562		msleep(50);
11563		/* Writes a self-clearing reset */
11564		bnx2x_cl45_write(bp, phy,
11565				 MDIO_PMA_DEVAD,
11566				 MDIO_PMA_REG_7101_RESET,
11567				 (val | (1<<15)));
11568		/* Wait for clear */
11569		bnx2x_cl45_read(bp, phy,
11570				MDIO_PMA_DEVAD,
11571				MDIO_PMA_REG_7101_RESET, &val);
11572
11573		if ((val & (1<<15)) == 0)
11574			break;
11575	}
11576}
11577
11578static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11579				struct link_params *params) {
11580	/* Low power mode is controlled by GPIO 2 */
11581	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11582		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11583	/* The PHY reset is controlled by GPIO 1 */
11584	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11585		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11586}
11587
11588static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11589				    struct link_params *params, u8 mode)
11590{
11591	u16 val = 0;
11592	struct bnx2x *bp = params->bp;
11593	switch (mode) {
11594	case LED_MODE_FRONT_PANEL_OFF:
11595	case LED_MODE_OFF:
11596		val = 2;
11597		break;
11598	case LED_MODE_ON:
11599		val = 1;
11600		break;
11601	case LED_MODE_OPER:
11602		val = 0;
11603		break;
11604	}
11605	bnx2x_cl45_write(bp, phy,
11606			 MDIO_PMA_DEVAD,
11607			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11608			 val);
11609}
11610
11611/******************************************************************/
11612/*			STATIC PHY DECLARATION			  */
11613/******************************************************************/
11614
11615static const struct bnx2x_phy phy_null = {
11616	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11617	.addr		= 0,
11618	.def_md_devad	= 0,
11619	.flags		= FLAGS_INIT_XGXS_FIRST,
11620	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11621	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11622	.mdio_ctrl	= 0,
11623	.supported	= 0,
11624	.media_type	= ETH_PHY_NOT_PRESENT,
11625	.ver_addr	= 0,
11626	.req_flow_ctrl	= 0,
11627	.req_line_speed	= 0,
11628	.speed_cap_mask	= 0,
11629	.req_duplex	= 0,
11630	.rsrv		= 0,
11631	.config_init	= NULL,
11632	.read_status	= NULL,
11633	.link_reset	= NULL,
11634	.config_loopback = NULL,
11635	.format_fw_ver	= NULL,
11636	.hw_reset	= NULL,
11637	.set_link_led	= NULL,
11638	.phy_specific_func = NULL
11639};
11640
11641static const struct bnx2x_phy phy_serdes = {
11642	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11643	.addr		= 0xff,
11644	.def_md_devad	= 0,
11645	.flags		= 0,
11646	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11647	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11648	.mdio_ctrl	= 0,
11649	.supported	= (SUPPORTED_10baseT_Half |
11650			   SUPPORTED_10baseT_Full |
11651			   SUPPORTED_100baseT_Half |
11652			   SUPPORTED_100baseT_Full |
11653			   SUPPORTED_1000baseT_Full |
11654			   SUPPORTED_2500baseX_Full |
11655			   SUPPORTED_TP |
11656			   SUPPORTED_Autoneg |
11657			   SUPPORTED_Pause |
11658			   SUPPORTED_Asym_Pause),
11659	.media_type	= ETH_PHY_BASE_T,
11660	.ver_addr	= 0,
11661	.req_flow_ctrl	= 0,
11662	.req_line_speed	= 0,
11663	.speed_cap_mask	= 0,
11664	.req_duplex	= 0,
11665	.rsrv		= 0,
11666	.config_init	= bnx2x_xgxs_config_init,
11667	.read_status	= bnx2x_link_settings_status,
11668	.link_reset	= bnx2x_int_link_reset,
11669	.config_loopback = NULL,
11670	.format_fw_ver	= NULL,
11671	.hw_reset	= NULL,
11672	.set_link_led	= NULL,
11673	.phy_specific_func = NULL
11674};
11675
11676static const struct bnx2x_phy phy_xgxs = {
11677	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11678	.addr		= 0xff,
11679	.def_md_devad	= 0,
11680	.flags		= 0,
11681	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11682	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11683	.mdio_ctrl	= 0,
11684	.supported	= (SUPPORTED_10baseT_Half |
11685			   SUPPORTED_10baseT_Full |
11686			   SUPPORTED_100baseT_Half |
11687			   SUPPORTED_100baseT_Full |
11688			   SUPPORTED_1000baseT_Full |
11689			   SUPPORTED_2500baseX_Full |
11690			   SUPPORTED_10000baseT_Full |
11691			   SUPPORTED_FIBRE |
11692			   SUPPORTED_Autoneg |
11693			   SUPPORTED_Pause |
11694			   SUPPORTED_Asym_Pause),
11695	.media_type	= ETH_PHY_CX4,
11696	.ver_addr	= 0,
11697	.req_flow_ctrl	= 0,
11698	.req_line_speed	= 0,
11699	.speed_cap_mask	= 0,
11700	.req_duplex	= 0,
11701	.rsrv		= 0,
11702	.config_init	= bnx2x_xgxs_config_init,
11703	.read_status	= bnx2x_link_settings_status,
11704	.link_reset	= bnx2x_int_link_reset,
11705	.config_loopback = bnx2x_set_xgxs_loopback,
11706	.format_fw_ver	= NULL,
11707	.hw_reset	= NULL,
11708	.set_link_led	= NULL,
11709	.phy_specific_func = bnx2x_xgxs_specific_func
11710};
11711static const struct bnx2x_phy phy_warpcore = {
11712	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11713	.addr		= 0xff,
11714	.def_md_devad	= 0,
11715	.flags		= FLAGS_TX_ERROR_CHECK,
11716	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11717	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11718	.mdio_ctrl	= 0,
11719	.supported	= (SUPPORTED_10baseT_Half |
11720			   SUPPORTED_10baseT_Full |
11721			   SUPPORTED_100baseT_Half |
11722			   SUPPORTED_100baseT_Full |
11723			   SUPPORTED_1000baseT_Full |
11724			   SUPPORTED_1000baseKX_Full |
11725			   SUPPORTED_10000baseT_Full |
11726			   SUPPORTED_10000baseKR_Full |
11727			   SUPPORTED_20000baseKR2_Full |
11728			   SUPPORTED_20000baseMLD2_Full |
11729			   SUPPORTED_FIBRE |
11730			   SUPPORTED_Autoneg |
11731			   SUPPORTED_Pause |
11732			   SUPPORTED_Asym_Pause),
11733	.media_type	= ETH_PHY_UNSPECIFIED,
11734	.ver_addr	= 0,
11735	.req_flow_ctrl	= 0,
11736	.req_line_speed	= 0,
11737	.speed_cap_mask	= 0,
11738	/* req_duplex = */0,
11739	/* rsrv = */0,
11740	.config_init	= bnx2x_warpcore_config_init,
11741	.read_status	= bnx2x_warpcore_read_status,
11742	.link_reset	= bnx2x_warpcore_link_reset,
11743	.config_loopback = bnx2x_set_warpcore_loopback,
11744	.format_fw_ver	= NULL,
11745	.hw_reset	= bnx2x_warpcore_hw_reset,
11746	.set_link_led	= NULL,
11747	.phy_specific_func = NULL
11748};
11749
11750
11751static const struct bnx2x_phy phy_7101 = {
11752	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11753	.addr		= 0xff,
11754	.def_md_devad	= 0,
11755	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
11756	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11757	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11758	.mdio_ctrl	= 0,
11759	.supported	= (SUPPORTED_10000baseT_Full |
11760			   SUPPORTED_TP |
11761			   SUPPORTED_Autoneg |
11762			   SUPPORTED_Pause |
11763			   SUPPORTED_Asym_Pause),
11764	.media_type	= ETH_PHY_BASE_T,
11765	.ver_addr	= 0,
11766	.req_flow_ctrl	= 0,
11767	.req_line_speed	= 0,
11768	.speed_cap_mask	= 0,
11769	.req_duplex	= 0,
11770	.rsrv		= 0,
11771	.config_init	= bnx2x_7101_config_init,
11772	.read_status	= bnx2x_7101_read_status,
11773	.link_reset	= bnx2x_common_ext_link_reset,
11774	.config_loopback = bnx2x_7101_config_loopback,
11775	.format_fw_ver	= bnx2x_7101_format_ver,
11776	.hw_reset	= bnx2x_7101_hw_reset,
11777	.set_link_led	= bnx2x_7101_set_link_led,
11778	.phy_specific_func = NULL
11779};
11780static const struct bnx2x_phy phy_8073 = {
11781	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11782	.addr		= 0xff,
11783	.def_md_devad	= 0,
11784	.flags		= 0,
11785	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11786	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11787	.mdio_ctrl	= 0,
11788	.supported	= (SUPPORTED_10000baseT_Full |
11789			   SUPPORTED_2500baseX_Full |
11790			   SUPPORTED_1000baseT_Full |
11791			   SUPPORTED_FIBRE |
11792			   SUPPORTED_Autoneg |
11793			   SUPPORTED_Pause |
11794			   SUPPORTED_Asym_Pause),
11795	.media_type	= ETH_PHY_KR,
11796	.ver_addr	= 0,
11797	.req_flow_ctrl	= 0,
11798	.req_line_speed	= 0,
11799	.speed_cap_mask	= 0,
11800	.req_duplex	= 0,
11801	.rsrv		= 0,
11802	.config_init	= bnx2x_8073_config_init,
11803	.read_status	= bnx2x_8073_read_status,
11804	.link_reset	= bnx2x_8073_link_reset,
11805	.config_loopback = NULL,
11806	.format_fw_ver	= bnx2x_format_ver,
11807	.hw_reset	= NULL,
11808	.set_link_led	= NULL,
11809	.phy_specific_func = bnx2x_8073_specific_func
11810};
11811static const struct bnx2x_phy phy_8705 = {
11812	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11813	.addr		= 0xff,
11814	.def_md_devad	= 0,
11815	.flags		= FLAGS_INIT_XGXS_FIRST,
11816	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11817	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11818	.mdio_ctrl	= 0,
11819	.supported	= (SUPPORTED_10000baseT_Full |
11820			   SUPPORTED_FIBRE |
11821			   SUPPORTED_Pause |
11822			   SUPPORTED_Asym_Pause),
11823	.media_type	= ETH_PHY_XFP_FIBER,
11824	.ver_addr	= 0,
11825	.req_flow_ctrl	= 0,
11826	.req_line_speed	= 0,
11827	.speed_cap_mask	= 0,
11828	.req_duplex	= 0,
11829	.rsrv		= 0,
11830	.config_init	= bnx2x_8705_config_init,
11831	.read_status	= bnx2x_8705_read_status,
11832	.link_reset	= bnx2x_common_ext_link_reset,
11833	.config_loopback = NULL,
11834	.format_fw_ver	= bnx2x_null_format_ver,
11835	.hw_reset	= NULL,
11836	.set_link_led	= NULL,
11837	.phy_specific_func = NULL
11838};
11839static const struct bnx2x_phy phy_8706 = {
11840	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11841	.addr		= 0xff,
11842	.def_md_devad	= 0,
11843	.flags		= FLAGS_INIT_XGXS_FIRST,
11844	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11845	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11846	.mdio_ctrl	= 0,
11847	.supported	= (SUPPORTED_10000baseT_Full |
11848			   SUPPORTED_1000baseT_Full |
11849			   SUPPORTED_FIBRE |
11850			   SUPPORTED_Pause |
11851			   SUPPORTED_Asym_Pause),
11852	.media_type	= ETH_PHY_SFPP_10G_FIBER,
11853	.ver_addr	= 0,
11854	.req_flow_ctrl	= 0,
11855	.req_line_speed	= 0,
11856	.speed_cap_mask	= 0,
11857	.req_duplex	= 0,
11858	.rsrv		= 0,
11859	.config_init	= bnx2x_8706_config_init,
11860	.read_status	= bnx2x_8706_read_status,
11861	.link_reset	= bnx2x_common_ext_link_reset,
11862	.config_loopback = NULL,
11863	.format_fw_ver	= bnx2x_format_ver,
11864	.hw_reset	= NULL,
11865	.set_link_led	= NULL,
11866	.phy_specific_func = NULL
11867};
11868
11869static const struct bnx2x_phy phy_8726 = {
11870	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11871	.addr		= 0xff,
11872	.def_md_devad	= 0,
11873	.flags		= (FLAGS_INIT_XGXS_FIRST |
11874			   FLAGS_TX_ERROR_CHECK),
11875	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11876	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11877	.mdio_ctrl	= 0,
11878	.supported	= (SUPPORTED_10000baseT_Full |
11879			   SUPPORTED_1000baseT_Full |
11880			   SUPPORTED_Autoneg |
11881			   SUPPORTED_FIBRE |
11882			   SUPPORTED_Pause |
11883			   SUPPORTED_Asym_Pause),
11884	.media_type	= ETH_PHY_NOT_PRESENT,
11885	.ver_addr	= 0,
11886	.req_flow_ctrl	= 0,
11887	.req_line_speed	= 0,
11888	.speed_cap_mask	= 0,
11889	.req_duplex	= 0,
11890	.rsrv		= 0,
11891	.config_init	= bnx2x_8726_config_init,
11892	.read_status	= bnx2x_8726_read_status,
11893	.link_reset	= bnx2x_8726_link_reset,
11894	.config_loopback = bnx2x_8726_config_loopback,
11895	.format_fw_ver	= bnx2x_format_ver,
11896	.hw_reset	= NULL,
11897	.set_link_led	= NULL,
11898	.phy_specific_func = NULL
11899};
11900
11901static const struct bnx2x_phy phy_8727 = {
11902	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11903	.addr		= 0xff,
11904	.def_md_devad	= 0,
11905	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11906			   FLAGS_TX_ERROR_CHECK),
11907	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11908	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11909	.mdio_ctrl	= 0,
11910	.supported	= (SUPPORTED_10000baseT_Full |
11911			   SUPPORTED_1000baseT_Full |
11912			   SUPPORTED_FIBRE |
11913			   SUPPORTED_Pause |
11914			   SUPPORTED_Asym_Pause),
11915	.media_type	= ETH_PHY_NOT_PRESENT,
11916	.ver_addr	= 0,
11917	.req_flow_ctrl	= 0,
11918	.req_line_speed	= 0,
11919	.speed_cap_mask	= 0,
11920	.req_duplex	= 0,
11921	.rsrv		= 0,
11922	.config_init	= bnx2x_8727_config_init,
11923	.read_status	= bnx2x_8727_read_status,
11924	.link_reset	= bnx2x_8727_link_reset,
11925	.config_loopback = NULL,
11926	.format_fw_ver	= bnx2x_format_ver,
11927	.hw_reset	= bnx2x_8727_hw_reset,
11928	.set_link_led	= bnx2x_8727_set_link_led,
11929	.phy_specific_func = bnx2x_8727_specific_func
11930};
11931static const struct bnx2x_phy phy_8481 = {
11932	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11933	.addr		= 0xff,
11934	.def_md_devad	= 0,
11935	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
11936			  FLAGS_REARM_LATCH_SIGNAL,
11937	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11938	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11939	.mdio_ctrl	= 0,
11940	.supported	= (SUPPORTED_10baseT_Half |
11941			   SUPPORTED_10baseT_Full |
11942			   SUPPORTED_100baseT_Half |
11943			   SUPPORTED_100baseT_Full |
11944			   SUPPORTED_1000baseT_Full |
11945			   SUPPORTED_10000baseT_Full |
11946			   SUPPORTED_TP |
11947			   SUPPORTED_Autoneg |
11948			   SUPPORTED_Pause |
11949			   SUPPORTED_Asym_Pause),
11950	.media_type	= ETH_PHY_BASE_T,
11951	.ver_addr	= 0,
11952	.req_flow_ctrl	= 0,
11953	.req_line_speed	= 0,
11954	.speed_cap_mask	= 0,
11955	.req_duplex	= 0,
11956	.rsrv		= 0,
11957	.config_init	= bnx2x_8481_config_init,
11958	.read_status	= bnx2x_848xx_read_status,
11959	.link_reset	= bnx2x_8481_link_reset,
11960	.config_loopback = NULL,
11961	.format_fw_ver	= bnx2x_848xx_format_ver,
11962	.hw_reset	= bnx2x_8481_hw_reset,
11963	.set_link_led	= bnx2x_848xx_set_link_led,
11964	.phy_specific_func = NULL
11965};
11966
11967static const struct bnx2x_phy phy_84823 = {
11968	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11969	.addr		= 0xff,
11970	.def_md_devad	= 0,
11971	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
11972			   FLAGS_REARM_LATCH_SIGNAL |
11973			   FLAGS_TX_ERROR_CHECK),
11974	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11975	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
11976	.mdio_ctrl	= 0,
11977	.supported	= (SUPPORTED_10baseT_Half |
11978			   SUPPORTED_10baseT_Full |
11979			   SUPPORTED_100baseT_Half |
11980			   SUPPORTED_100baseT_Full |
11981			   SUPPORTED_1000baseT_Full |
11982			   SUPPORTED_10000baseT_Full |
11983			   SUPPORTED_TP |
11984			   SUPPORTED_Autoneg |
11985			   SUPPORTED_Pause |
11986			   SUPPORTED_Asym_Pause),
11987	.media_type	= ETH_PHY_BASE_T,
11988	.ver_addr	= 0,
11989	.req_flow_ctrl	= 0,
11990	.req_line_speed	= 0,
11991	.speed_cap_mask	= 0,
11992	.req_duplex	= 0,
11993	.rsrv		= 0,
11994	.config_init	= bnx2x_848x3_config_init,
11995	.read_status	= bnx2x_848xx_read_status,
11996	.link_reset	= bnx2x_848x3_link_reset,
11997	.config_loopback = NULL,
11998	.format_fw_ver	= bnx2x_848xx_format_ver,
11999	.hw_reset	= NULL,
12000	.set_link_led	= bnx2x_848xx_set_link_led,
12001	.phy_specific_func = bnx2x_848xx_specific_func
12002};
12003
12004static const struct bnx2x_phy phy_84833 = {
12005	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
12006	.addr		= 0xff,
12007	.def_md_devad	= 0,
12008	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
12009			   FLAGS_REARM_LATCH_SIGNAL |
12010			   FLAGS_TX_ERROR_CHECK),
12011	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12012	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12013	.mdio_ctrl	= 0,
12014	.supported	= (SUPPORTED_100baseT_Half |
12015			   SUPPORTED_100baseT_Full |
12016			   SUPPORTED_1000baseT_Full |
12017			   SUPPORTED_10000baseT_Full |
12018			   SUPPORTED_TP |
12019			   SUPPORTED_Autoneg |
12020			   SUPPORTED_Pause |
12021			   SUPPORTED_Asym_Pause),
12022	.media_type	= ETH_PHY_BASE_T,
12023	.ver_addr	= 0,
12024	.req_flow_ctrl	= 0,
12025	.req_line_speed	= 0,
12026	.speed_cap_mask	= 0,
12027	.req_duplex	= 0,
12028	.rsrv		= 0,
12029	.config_init	= bnx2x_848x3_config_init,
12030	.read_status	= bnx2x_848xx_read_status,
12031	.link_reset	= bnx2x_848x3_link_reset,
12032	.config_loopback = NULL,
12033	.format_fw_ver	= bnx2x_848xx_format_ver,
12034	.hw_reset	= bnx2x_84833_hw_reset_phy,
12035	.set_link_led	= bnx2x_848xx_set_link_led,
12036	.phy_specific_func = bnx2x_848xx_specific_func
12037};
12038
12039static const struct bnx2x_phy phy_84834 = {
12040	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
12041	.addr		= 0xff,
12042	.def_md_devad	= 0,
12043	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
12044			    FLAGS_REARM_LATCH_SIGNAL,
12045	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12046	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12047	.mdio_ctrl	= 0,
12048	.supported	= (SUPPORTED_100baseT_Half |
12049			   SUPPORTED_100baseT_Full |
12050			   SUPPORTED_1000baseT_Full |
12051			   SUPPORTED_10000baseT_Full |
12052			   SUPPORTED_TP |
12053			   SUPPORTED_Autoneg |
12054			   SUPPORTED_Pause |
12055			   SUPPORTED_Asym_Pause),
12056	.media_type	= ETH_PHY_BASE_T,
12057	.ver_addr	= 0,
12058	.req_flow_ctrl	= 0,
12059	.req_line_speed	= 0,
12060	.speed_cap_mask	= 0,
12061	.req_duplex	= 0,
12062	.rsrv		= 0,
12063	.config_init	= bnx2x_848x3_config_init,
12064	.read_status	= bnx2x_848xx_read_status,
12065	.link_reset	= bnx2x_848x3_link_reset,
12066	.config_loopback = NULL,
12067	.format_fw_ver	= bnx2x_848xx_format_ver,
12068	.hw_reset	= bnx2x_84833_hw_reset_phy,
12069	.set_link_led	= bnx2x_848xx_set_link_led,
12070	.phy_specific_func = bnx2x_848xx_specific_func
12071};
12072
12073static const struct bnx2x_phy phy_84858 = {
12074	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
12075	.addr		= 0xff,
12076	.def_md_devad	= 0,
12077	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
12078			    FLAGS_REARM_LATCH_SIGNAL,
12079	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12080	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12081	.mdio_ctrl	= 0,
12082	.supported	= (SUPPORTED_100baseT_Half |
12083			   SUPPORTED_100baseT_Full |
12084			   SUPPORTED_1000baseT_Full |
12085			   SUPPORTED_10000baseT_Full |
12086			   SUPPORTED_TP |
12087			   SUPPORTED_Autoneg |
12088			   SUPPORTED_Pause |
12089			   SUPPORTED_Asym_Pause),
12090	.media_type	= ETH_PHY_BASE_T,
12091	.ver_addr	= 0,
12092	.req_flow_ctrl	= 0,
12093	.req_line_speed	= 0,
12094	.speed_cap_mask	= 0,
12095	.req_duplex	= 0,
12096	.rsrv		= 0,
12097	.config_init	= bnx2x_848x3_config_init,
12098	.read_status	= bnx2x_848xx_read_status,
12099	.link_reset	= bnx2x_848x3_link_reset,
12100	.config_loopback = NULL,
12101	.format_fw_ver	= bnx2x_8485x_format_ver,
12102	.hw_reset	= bnx2x_84833_hw_reset_phy,
12103	.set_link_led	= bnx2x_848xx_set_link_led,
12104	.phy_specific_func = bnx2x_848xx_specific_func
12105};
12106
12107static const struct bnx2x_phy phy_54618se = {
12108	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
12109	.addr		= 0xff,
12110	.def_md_devad	= 0,
12111	.flags		= FLAGS_INIT_XGXS_FIRST,
12112	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12113	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12114	.mdio_ctrl	= 0,
12115	.supported	= (SUPPORTED_10baseT_Half |
12116			   SUPPORTED_10baseT_Full |
12117			   SUPPORTED_100baseT_Half |
12118			   SUPPORTED_100baseT_Full |
12119			   SUPPORTED_1000baseT_Full |
12120			   SUPPORTED_TP |
12121			   SUPPORTED_Autoneg |
12122			   SUPPORTED_Pause |
12123			   SUPPORTED_Asym_Pause),
12124	.media_type	= ETH_PHY_BASE_T,
12125	.ver_addr	= 0,
12126	.req_flow_ctrl	= 0,
12127	.req_line_speed	= 0,
12128	.speed_cap_mask	= 0,
12129	/* req_duplex = */0,
12130	/* rsrv = */0,
12131	.config_init	= bnx2x_54618se_config_init,
12132	.read_status	= bnx2x_54618se_read_status,
12133	.link_reset	= bnx2x_54618se_link_reset,
12134	.config_loopback = bnx2x_54618se_config_loopback,
12135	.format_fw_ver	= NULL,
12136	.hw_reset	= NULL,
12137	.set_link_led	= bnx2x_5461x_set_link_led,
12138	.phy_specific_func = bnx2x_54618se_specific_func
12139};
12140/*****************************************************************/
12141/*                                                               */
12142/* Populate the phy according. Main function: bnx2x_populate_phy   */
12143/*                                                               */
12144/*****************************************************************/
12145
12146static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
12147				     struct bnx2x_phy *phy, u8 port,
12148				     u8 phy_index)
12149{
12150	/* Get the 4 lanes xgxs config rx and tx */
12151	u32 rx = 0, tx = 0, i;
12152	for (i = 0; i < 2; i++) {
12153		/* INT_PHY and EXT_PHY1 share the same value location in
12154		 * the shmem. When num_phys is greater than 1, than this value
12155		 * applies only to EXT_PHY1
12156		 */
12157		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
12158			rx = REG_RD(bp, shmem_base +
12159				    offsetof(struct shmem_region,
12160			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
12161
12162			tx = REG_RD(bp, shmem_base +
12163				    offsetof(struct shmem_region,
12164			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
12165		} else {
12166			rx = REG_RD(bp, shmem_base +
12167				    offsetof(struct shmem_region,
12168			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12169
12170			tx = REG_RD(bp, shmem_base +
12171				    offsetof(struct shmem_region,
12172			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12173		}
12174
12175		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
12176		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
12177
12178		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
12179		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
12180	}
12181}
12182
12183static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
12184				    u8 phy_index, u8 port)
12185{
12186	u32 ext_phy_config = 0;
12187	switch (phy_index) {
12188	case EXT_PHY1:
12189		ext_phy_config = REG_RD(bp, shmem_base +
12190					      offsetof(struct shmem_region,
12191			dev_info.port_hw_config[port].external_phy_config));
12192		break;
12193	case EXT_PHY2:
12194		ext_phy_config = REG_RD(bp, shmem_base +
12195					      offsetof(struct shmem_region,
12196			dev_info.port_hw_config[port].external_phy_config2));
12197		break;
12198	default:
12199		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
12200		return -EINVAL;
12201	}
12202
12203	return ext_phy_config;
12204}
12205static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
12206				  struct bnx2x_phy *phy)
12207{
12208	u32 phy_addr;
12209	u32 chip_id;
12210	u32 switch_cfg = (REG_RD(bp, shmem_base +
12211				       offsetof(struct shmem_region,
12212			dev_info.port_feature_config[port].link_config)) &
12213			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
12214	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
12215		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
12216
12217	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
12218	if (USES_WARPCORE(bp)) {
12219		u32 serdes_net_if;
12220		phy_addr = REG_RD(bp,
12221				  MISC_REG_WC0_CTRL_PHY_ADDR);
12222		*phy = phy_warpcore;
12223		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
12224			phy->flags |= FLAGS_4_PORT_MODE;
12225		else
12226			phy->flags &= ~FLAGS_4_PORT_MODE;
12227			/* Check Dual mode */
12228		serdes_net_if = (REG_RD(bp, shmem_base +
12229					offsetof(struct shmem_region, dev_info.
12230					port_hw_config[port].default_cfg)) &
12231				 PORT_HW_CFG_NET_SERDES_IF_MASK);
12232		/* Set the appropriate supported and flags indications per
12233		 * interface type of the chip
12234		 */
12235		switch (serdes_net_if) {
12236		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
12237			phy->supported &= (SUPPORTED_10baseT_Half |
12238					   SUPPORTED_10baseT_Full |
12239					   SUPPORTED_100baseT_Half |
12240					   SUPPORTED_100baseT_Full |
12241					   SUPPORTED_1000baseT_Full |
12242					   SUPPORTED_FIBRE |
12243					   SUPPORTED_Autoneg |
12244					   SUPPORTED_Pause |
12245					   SUPPORTED_Asym_Pause);
12246			phy->media_type = ETH_PHY_BASE_T;
12247			break;
12248		case PORT_HW_CFG_NET_SERDES_IF_XFI:
12249			phy->supported &= (SUPPORTED_1000baseT_Full |
12250					   SUPPORTED_10000baseT_Full |
12251					   SUPPORTED_FIBRE |
12252					   SUPPORTED_Pause |
12253					   SUPPORTED_Asym_Pause);
12254			phy->media_type = ETH_PHY_XFP_FIBER;
12255			break;
12256		case PORT_HW_CFG_NET_SERDES_IF_SFI:
12257			phy->supported &= (SUPPORTED_1000baseT_Full |
12258					   SUPPORTED_10000baseT_Full |
12259					   SUPPORTED_FIBRE |
12260					   SUPPORTED_Pause |
12261					   SUPPORTED_Asym_Pause);
12262			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
12263			break;
12264		case PORT_HW_CFG_NET_SERDES_IF_KR:
12265			phy->media_type = ETH_PHY_KR;
12266			phy->supported &= (SUPPORTED_1000baseKX_Full |
12267					   SUPPORTED_10000baseKR_Full |
12268					   SUPPORTED_FIBRE |
12269					   SUPPORTED_Autoneg |
12270					   SUPPORTED_Pause |
12271					   SUPPORTED_Asym_Pause);
12272			break;
12273		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
12274			phy->media_type = ETH_PHY_KR;
12275			phy->flags |= FLAGS_WC_DUAL_MODE;
12276			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
12277					   SUPPORTED_FIBRE |
12278					   SUPPORTED_Pause |
12279					   SUPPORTED_Asym_Pause);
12280			break;
12281		case PORT_HW_CFG_NET_SERDES_IF_KR2:
12282			phy->media_type = ETH_PHY_KR;
12283			phy->flags |= FLAGS_WC_DUAL_MODE;
12284			phy->supported &= (SUPPORTED_20000baseKR2_Full |
12285					   SUPPORTED_10000baseKR_Full |
12286					   SUPPORTED_1000baseKX_Full |
12287					   SUPPORTED_Autoneg |
12288					   SUPPORTED_FIBRE |
12289					   SUPPORTED_Pause |
12290					   SUPPORTED_Asym_Pause);
12291			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12292			break;
12293		default:
12294			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
12295				       serdes_net_if);
12296			break;
12297		}
12298
12299		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
12300		 * was not set as expected. For B0, ECO will be enabled so there
12301		 * won't be an issue there
12302		 */
12303		if (CHIP_REV(bp) == CHIP_REV_Ax)
12304			phy->flags |= FLAGS_MDC_MDIO_WA;
12305		else
12306			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
12307	} else {
12308		switch (switch_cfg) {
12309		case SWITCH_CFG_1G:
12310			phy_addr = REG_RD(bp,
12311					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
12312					  port * 0x10);
12313			*phy = phy_serdes;
12314			break;
12315		case SWITCH_CFG_10G:
12316			phy_addr = REG_RD(bp,
12317					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
12318					  port * 0x18);
12319			*phy = phy_xgxs;
12320			break;
12321		default:
12322			DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
12323			return -EINVAL;
12324		}
12325	}
12326	phy->addr = (u8)phy_addr;
12327	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
12328					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
12329					    port);
12330	if (CHIP_IS_E2(bp))
12331		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
12332	else
12333		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12334
12335	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12336		   port, phy->addr, phy->mdio_ctrl);
12337
12338	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12339	return 0;
12340}
12341
12342static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12343				  u8 phy_index,
12344				  u32 shmem_base,
12345				  u32 shmem2_base,
12346				  u8 port,
12347				  struct bnx2x_phy *phy)
12348{
12349	u32 ext_phy_config, phy_type, config2;
12350	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12351	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12352						  phy_index, port);
12353	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12354	/* Select the phy type */
12355	switch (phy_type) {
12356	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12357		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12358		*phy = phy_8073;
12359		break;
12360	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12361		*phy = phy_8705;
12362		break;
12363	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12364		*phy = phy_8706;
12365		break;
12366	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12367		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12368		*phy = phy_8726;
12369		break;
12370	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12371		/* BCM8727_NOC => BCM8727 no over current */
12372		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12373		*phy = phy_8727;
12374		phy->flags |= FLAGS_NOC;
12375		break;
12376	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12377	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12378		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12379		*phy = phy_8727;
12380		break;
12381	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12382		*phy = phy_8481;
12383		break;
12384	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12385		*phy = phy_84823;
12386		break;
12387	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12388		*phy = phy_84833;
12389		break;
12390	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12391		*phy = phy_84834;
12392		break;
12393	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
12394		*phy = phy_84858;
12395		break;
12396	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12397	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12398		*phy = phy_54618se;
12399		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12400			phy->flags |= FLAGS_EEE;
12401		break;
12402	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12403		*phy = phy_7101;
12404		break;
12405	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12406		*phy = phy_null;
12407		return -EINVAL;
12408	default:
12409		*phy = phy_null;
12410		/* In case external PHY wasn't found */
12411		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12412		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12413			return -EINVAL;
12414		return 0;
12415	}
12416
12417	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12418	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12419
12420	/* The shmem address of the phy version is located on different
12421	 * structures. In case this structure is too old, do not set
12422	 * the address
12423	 */
12424	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12425					dev_info.shared_hw_config.config2));
12426	if (phy_index == EXT_PHY1) {
12427		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12428				port_mb[port].ext_phy_fw_version);
12429
12430		/* Check specific mdc mdio settings */
12431		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12432			mdc_mdio_access = config2 &
12433			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12434	} else {
12435		u32 size = REG_RD(bp, shmem2_base);
12436
12437		if (size >
12438		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12439			phy->ver_addr = shmem2_base +
12440			    offsetof(struct shmem2_region,
12441				     ext_phy_fw_version2[port]);
12442		}
12443		/* Check specific mdc mdio settings */
12444		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12445			mdc_mdio_access = (config2 &
12446			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12447			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12448			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12449	}
12450	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12451
12452	if (bnx2x_is_8483x_8485x(phy) && (phy->ver_addr)) {
12453		/* Remove 100Mb link supported for BCM84833/4 when phy fw
12454		 * version lower than or equal to 1.39
12455		 */
12456		u32 raw_ver = REG_RD(bp, phy->ver_addr);
12457		if (((raw_ver & 0x7F) <= 39) &&
12458		    (((raw_ver & 0xF80) >> 7) <= 1))
12459			phy->supported &= ~(SUPPORTED_100baseT_Half |
12460					    SUPPORTED_100baseT_Full);
12461	}
12462
12463	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12464		   phy_type, port, phy_index);
12465	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
12466		   phy->addr, phy->mdio_ctrl);
12467	return 0;
12468}
12469
12470static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12471			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12472{
12473	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12474	if (phy_index == INT_PHY)
12475		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12476
12477	return bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12478					port, phy);
12479}
12480
12481static void bnx2x_phy_def_cfg(struct link_params *params,
12482			      struct bnx2x_phy *phy,
12483			      u8 phy_index)
12484{
12485	struct bnx2x *bp = params->bp;
12486	u32 link_config;
12487	/* Populate the default phy configuration for MF mode */
12488	if (phy_index == EXT_PHY2) {
12489		link_config = REG_RD(bp, params->shmem_base +
12490				     offsetof(struct shmem_region, dev_info.
12491			port_feature_config[params->port].link_config2));
12492		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12493					     offsetof(struct shmem_region,
12494						      dev_info.
12495			port_hw_config[params->port].speed_capability_mask2));
12496	} else {
12497		link_config = REG_RD(bp, params->shmem_base +
12498				     offsetof(struct shmem_region, dev_info.
12499				port_feature_config[params->port].link_config));
12500		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12501					     offsetof(struct shmem_region,
12502						      dev_info.
12503			port_hw_config[params->port].speed_capability_mask));
12504	}
12505	DP(NETIF_MSG_LINK,
12506	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12507	   phy_index, link_config, phy->speed_cap_mask);
12508
12509	phy->req_duplex = DUPLEX_FULL;
12510	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
12511	case PORT_FEATURE_LINK_SPEED_10M_HALF:
12512		phy->req_duplex = DUPLEX_HALF;
12513		fallthrough;
12514	case PORT_FEATURE_LINK_SPEED_10M_FULL:
12515		phy->req_line_speed = SPEED_10;
12516		break;
12517	case PORT_FEATURE_LINK_SPEED_100M_HALF:
12518		phy->req_duplex = DUPLEX_HALF;
12519		fallthrough;
12520	case PORT_FEATURE_LINK_SPEED_100M_FULL:
12521		phy->req_line_speed = SPEED_100;
12522		break;
12523	case PORT_FEATURE_LINK_SPEED_1G:
12524		phy->req_line_speed = SPEED_1000;
12525		break;
12526	case PORT_FEATURE_LINK_SPEED_2_5G:
12527		phy->req_line_speed = SPEED_2500;
12528		break;
12529	case PORT_FEATURE_LINK_SPEED_10G_CX4:
12530		phy->req_line_speed = SPEED_10000;
12531		break;
12532	default:
12533		phy->req_line_speed = SPEED_AUTO_NEG;
12534		break;
12535	}
12536
12537	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12538	case PORT_FEATURE_FLOW_CONTROL_AUTO:
12539		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12540		break;
12541	case PORT_FEATURE_FLOW_CONTROL_TX:
12542		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12543		break;
12544	case PORT_FEATURE_FLOW_CONTROL_RX:
12545		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12546		break;
12547	case PORT_FEATURE_FLOW_CONTROL_BOTH:
12548		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12549		break;
12550	default:
12551		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12552		break;
12553	}
12554}
12555
12556u32 bnx2x_phy_selection(struct link_params *params)
12557{
12558	u32 phy_config_swapped, prio_cfg;
12559	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12560
12561	phy_config_swapped = params->multi_phy_config &
12562		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12563
12564	prio_cfg = params->multi_phy_config &
12565			PORT_HW_CFG_PHY_SELECTION_MASK;
12566
12567	if (phy_config_swapped) {
12568		switch (prio_cfg) {
12569		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12570		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12571		     break;
12572		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12573		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12574		     break;
12575		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12576		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12577		     break;
12578		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12579		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12580		     break;
12581		}
12582	} else
12583		return_cfg = prio_cfg;
12584
12585	return return_cfg;
12586}
12587
12588int bnx2x_phy_probe(struct link_params *params)
12589{
12590	u8 phy_index, actual_phy_idx;
12591	u32 phy_config_swapped, sync_offset, media_types;
12592	struct bnx2x *bp = params->bp;
12593	struct bnx2x_phy *phy;
12594	params->num_phys = 0;
12595	DP(NETIF_MSG_LINK, "Begin phy probe\n");
12596	phy_config_swapped = params->multi_phy_config &
12597		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12598
12599	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12600	      phy_index++) {
12601		actual_phy_idx = phy_index;
12602		if (phy_config_swapped) {
12603			if (phy_index == EXT_PHY1)
12604				actual_phy_idx = EXT_PHY2;
12605			else if (phy_index == EXT_PHY2)
12606				actual_phy_idx = EXT_PHY1;
12607		}
12608		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12609			       " actual_phy_idx %x\n", phy_config_swapped,
12610			   phy_index, actual_phy_idx);
12611		phy = &params->phy[actual_phy_idx];
12612		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12613				       params->shmem2_base, params->port,
12614				       phy) != 0) {
12615			params->num_phys = 0;
12616			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12617				   phy_index);
12618			for (phy_index = INT_PHY;
12619			      phy_index < MAX_PHYS;
12620			      phy_index++)
12621				*phy = phy_null;
12622			return -EINVAL;
12623		}
12624		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12625			break;
12626
12627		if (params->feature_config_flags &
12628		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12629			phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12630
12631		if (!(params->feature_config_flags &
12632		      FEATURE_CONFIG_MT_SUPPORT))
12633			phy->flags |= FLAGS_MDC_MDIO_WA_G;
12634
12635		sync_offset = params->shmem_base +
12636			offsetof(struct shmem_region,
12637			dev_info.port_hw_config[params->port].media_type);
12638		media_types = REG_RD(bp, sync_offset);
12639
12640		/* Update media type for non-PMF sync only for the first time
12641		 * In case the media type changes afterwards, it will be updated
12642		 * using the update_status function
12643		 */
12644		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12645				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12646				     actual_phy_idx))) == 0) {
12647			media_types |= ((phy->media_type &
12648					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12649				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12650				 actual_phy_idx));
12651		}
12652		REG_WR(bp, sync_offset, media_types);
12653
12654		bnx2x_phy_def_cfg(params, phy, phy_index);
12655		params->num_phys++;
12656	}
12657
12658	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12659	return 0;
12660}
12661
12662static void bnx2x_init_bmac_loopback(struct link_params *params,
12663				     struct link_vars *vars)
12664{
12665	struct bnx2x *bp = params->bp;
12666	vars->link_up = 1;
12667	vars->line_speed = SPEED_10000;
12668	vars->duplex = DUPLEX_FULL;
12669	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12670	vars->mac_type = MAC_TYPE_BMAC;
12671
12672	vars->phy_flags = PHY_XGXS_FLAG;
12673
12674	bnx2x_xgxs_deassert(params);
12675
12676	/* Set bmac loopback */
12677	bnx2x_bmac_enable(params, vars, 1, 1);
12678
12679	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
12680}
12681
12682static void bnx2x_init_emac_loopback(struct link_params *params,
12683				     struct link_vars *vars)
12684{
12685	struct bnx2x *bp = params->bp;
12686	vars->link_up = 1;
12687	vars->line_speed = SPEED_1000;
12688	vars->duplex = DUPLEX_FULL;
12689	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12690	vars->mac_type = MAC_TYPE_EMAC;
12691
12692	vars->phy_flags = PHY_XGXS_FLAG;
12693
12694	bnx2x_xgxs_deassert(params);
12695	/* Set bmac loopback */
12696	bnx2x_emac_enable(params, vars, 1);
12697	bnx2x_emac_program(params, vars);
12698	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
12699}
12700
12701static void bnx2x_init_xmac_loopback(struct link_params *params,
12702				     struct link_vars *vars)
12703{
12704	struct bnx2x *bp = params->bp;
12705	vars->link_up = 1;
12706	if (!params->req_line_speed[0])
12707		vars->line_speed = SPEED_10000;
12708	else
12709		vars->line_speed = params->req_line_speed[0];
12710	vars->duplex = DUPLEX_FULL;
12711	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12712	vars->mac_type = MAC_TYPE_XMAC;
12713	vars->phy_flags = PHY_XGXS_FLAG;
12714	/* Set WC to loopback mode since link is required to provide clock
12715	 * to the XMAC in 20G mode
12716	 */
12717	bnx2x_set_aer_mmd(params, &params->phy[0]);
12718	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12719	params->phy[INT_PHY].config_loopback(
12720			&params->phy[INT_PHY],
12721			params);
12722
12723	bnx2x_xmac_enable(params, vars, 1);
12724	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12725}
12726
12727static void bnx2x_init_umac_loopback(struct link_params *params,
12728				     struct link_vars *vars)
12729{
12730	struct bnx2x *bp = params->bp;
12731	vars->link_up = 1;
12732	vars->line_speed = SPEED_1000;
12733	vars->duplex = DUPLEX_FULL;
12734	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12735	vars->mac_type = MAC_TYPE_UMAC;
12736	vars->phy_flags = PHY_XGXS_FLAG;
12737	bnx2x_umac_enable(params, vars, 1);
12738
12739	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12740}
12741
12742static void bnx2x_init_xgxs_loopback(struct link_params *params,
12743				     struct link_vars *vars)
12744{
12745	struct bnx2x *bp = params->bp;
12746	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
12747	vars->link_up = 1;
12748	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12749	vars->duplex = DUPLEX_FULL;
12750	if (params->req_line_speed[0] == SPEED_1000)
12751		vars->line_speed = SPEED_1000;
12752	else if ((params->req_line_speed[0] == SPEED_20000) ||
12753		 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12754		vars->line_speed = SPEED_20000;
12755	else
12756		vars->line_speed = SPEED_10000;
12757
12758	if (!USES_WARPCORE(bp))
12759		bnx2x_xgxs_deassert(params);
12760	bnx2x_link_initialize(params, vars);
12761
12762	if (params->req_line_speed[0] == SPEED_1000) {
12763		if (USES_WARPCORE(bp))
12764			bnx2x_umac_enable(params, vars, 0);
12765		else {
12766			bnx2x_emac_program(params, vars);
12767			bnx2x_emac_enable(params, vars, 0);
12768		}
12769	} else {
12770		if (USES_WARPCORE(bp))
12771			bnx2x_xmac_enable(params, vars, 0);
12772		else
12773			bnx2x_bmac_enable(params, vars, 0, 1);
12774	}
12775
12776	if (params->loopback_mode == LOOPBACK_XGXS) {
12777		/* Set 10G XGXS loopback */
12778		int_phy->config_loopback(int_phy, params);
12779	} else {
12780		/* Set external phy loopback */
12781		u8 phy_index;
12782		for (phy_index = EXT_PHY1;
12783		      phy_index < params->num_phys; phy_index++)
12784			if (params->phy[phy_index].config_loopback)
12785				params->phy[phy_index].config_loopback(
12786					&params->phy[phy_index],
12787					params);
12788	}
12789	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12790
12791	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12792}
12793
12794void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12795{
12796	struct bnx2x *bp = params->bp;
12797	u8 val = en * 0x1F;
12798
12799	/* Open / close the gate between the NIG and the BRB */
12800	if (!CHIP_IS_E1x(bp))
12801		val |= en * 0x20;
12802	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12803
12804	if (!CHIP_IS_E1(bp)) {
12805		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12806		       en*0x3);
12807	}
12808
12809	REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12810		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
12811}
12812static int bnx2x_avoid_link_flap(struct link_params *params,
12813					    struct link_vars *vars)
12814{
12815	u32 phy_idx;
12816	u32 dont_clear_stat, lfa_sts;
12817	struct bnx2x *bp = params->bp;
12818
12819	bnx2x_set_mdio_emac_per_phy(bp, params);
12820	/* Sync the link parameters */
12821	bnx2x_link_status_update(params, vars);
12822
12823	/*
12824	 * The module verification was already done by previous link owner,
12825	 * so this call is meant only to get warning message
12826	 */
12827
12828	for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12829		struct bnx2x_phy *phy = &params->phy[phy_idx];
12830		if (phy->phy_specific_func) {
12831			DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12832			phy->phy_specific_func(phy, params, PHY_INIT);
12833		}
12834		if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12835		    (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12836		    (phy->media_type == ETH_PHY_DA_TWINAX))
12837			bnx2x_verify_sfp_module(phy, params);
12838	}
12839	lfa_sts = REG_RD(bp, params->lfa_base +
12840			 offsetof(struct shmem_lfa,
12841				  lfa_sts));
12842
12843	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12844
12845	/* Re-enable the NIG/MAC */
12846	if (CHIP_IS_E3(bp)) {
12847		if (!dont_clear_stat) {
12848			REG_WR(bp, GRCBASE_MISC +
12849			       MISC_REGISTERS_RESET_REG_2_CLEAR,
12850			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12851				params->port));
12852			REG_WR(bp, GRCBASE_MISC +
12853			       MISC_REGISTERS_RESET_REG_2_SET,
12854			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12855				params->port));
12856		}
12857		if (vars->line_speed < SPEED_10000)
12858			bnx2x_umac_enable(params, vars, 0);
12859		else
12860			bnx2x_xmac_enable(params, vars, 0);
12861	} else {
12862		if (vars->line_speed < SPEED_10000)
12863			bnx2x_emac_enable(params, vars, 0);
12864		else
12865			bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12866	}
12867
12868	/* Increment LFA count */
12869	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12870		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12871		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12872		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12873	/* Clear link flap reason */
12874	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12875
12876	REG_WR(bp, params->lfa_base +
12877	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12878
12879	/* Disable NIG DRAIN */
12880	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12881
12882	/* Enable interrupts */
12883	bnx2x_link_int_enable(params);
12884	return 0;
12885}
12886
12887static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12888					 struct link_vars *vars,
12889					 int lfa_status)
12890{
12891	u32 lfa_sts, cfg_idx, tmp_val;
12892	struct bnx2x *bp = params->bp;
12893
12894	bnx2x_link_reset(params, vars, 1);
12895
12896	if (!params->lfa_base)
12897		return;
12898	/* Store the new link parameters */
12899	REG_WR(bp, params->lfa_base +
12900	       offsetof(struct shmem_lfa, req_duplex),
12901	       params->req_duplex[0] | (params->req_duplex[1] << 16));
12902
12903	REG_WR(bp, params->lfa_base +
12904	       offsetof(struct shmem_lfa, req_flow_ctrl),
12905	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12906
12907	REG_WR(bp, params->lfa_base +
12908	       offsetof(struct shmem_lfa, req_line_speed),
12909	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12910
12911	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12912		REG_WR(bp, params->lfa_base +
12913		       offsetof(struct shmem_lfa,
12914				speed_cap_mask[cfg_idx]),
12915		       params->speed_cap_mask[cfg_idx]);
12916	}
12917
12918	tmp_val = REG_RD(bp, params->lfa_base +
12919			 offsetof(struct shmem_lfa, additional_config));
12920	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12921	tmp_val |= params->req_fc_auto_adv;
12922
12923	REG_WR(bp, params->lfa_base +
12924	       offsetof(struct shmem_lfa, additional_config), tmp_val);
12925
12926	lfa_sts = REG_RD(bp, params->lfa_base +
12927			 offsetof(struct shmem_lfa, lfa_sts));
12928
12929	/* Clear the "Don't Clear Statistics" bit, and set reason */
12930	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12931
12932	/* Set link flap reason */
12933	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12934	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12935		    LFA_LINK_FLAP_REASON_OFFSET);
12936
12937	/* Increment link flap counter */
12938	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12939		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12940		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12941		    << LINK_FLAP_COUNT_OFFSET));
12942	REG_WR(bp, params->lfa_base +
12943	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12944	/* Proceed with regular link initialization */
12945}
12946
12947int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12948{
12949	int lfa_status;
12950	struct bnx2x *bp = params->bp;
12951	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12952	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12953		   params->req_line_speed[0], params->req_flow_ctrl[0]);
12954	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12955		   params->req_line_speed[1], params->req_flow_ctrl[1]);
12956	DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12957	vars->link_status = 0;
12958	vars->phy_link_up = 0;
12959	vars->link_up = 0;
12960	vars->line_speed = 0;
12961	vars->duplex = DUPLEX_FULL;
12962	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12963	vars->mac_type = MAC_TYPE_NONE;
12964	vars->phy_flags = 0;
12965	vars->check_kr2_recovery_cnt = 0;
12966	params->link_flags = PHY_INITIALIZED;
12967	/* Driver opens NIG-BRB filters */
12968	bnx2x_set_rx_filter(params, 1);
12969	bnx2x_chng_link_count(params, true);
12970	/* Check if link flap can be avoided */
12971	lfa_status = bnx2x_check_lfa(params);
12972
12973	if (lfa_status == 0) {
12974		DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12975		return bnx2x_avoid_link_flap(params, vars);
12976	}
12977
12978	DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12979		       lfa_status);
12980	bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12981
12982	/* Disable attentions */
12983	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12984		       (NIG_MASK_XGXS0_LINK_STATUS |
12985			NIG_MASK_XGXS0_LINK10G |
12986			NIG_MASK_SERDES0_LINK_STATUS |
12987			NIG_MASK_MI_INT));
12988
12989	bnx2x_emac_init(params, vars);
12990
12991	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12992		vars->link_status |= LINK_STATUS_PFC_ENABLED;
12993
12994	if (params->num_phys == 0) {
12995		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12996		return -EINVAL;
12997	}
12998	set_phy_vars(params, vars);
12999
13000	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
13001	switch (params->loopback_mode) {
13002	case LOOPBACK_BMAC:
13003		bnx2x_init_bmac_loopback(params, vars);
13004		break;
13005	case LOOPBACK_EMAC:
13006		bnx2x_init_emac_loopback(params, vars);
13007		break;
13008	case LOOPBACK_XMAC:
13009		bnx2x_init_xmac_loopback(params, vars);
13010		break;
13011	case LOOPBACK_UMAC:
13012		bnx2x_init_umac_loopback(params, vars);
13013		break;
13014	case LOOPBACK_XGXS:
13015	case LOOPBACK_EXT_PHY:
13016		bnx2x_init_xgxs_loopback(params, vars);
13017		break;
13018	default:
13019		if (!CHIP_IS_E3(bp)) {
13020			if (params->switch_cfg == SWITCH_CFG_10G)
13021				bnx2x_xgxs_deassert(params);
13022			else
13023				bnx2x_serdes_deassert(bp, params->port);
13024		}
13025		bnx2x_link_initialize(params, vars);
13026		msleep(30);
13027		bnx2x_link_int_enable(params);
13028		break;
13029	}
13030	bnx2x_update_mng(params, vars->link_status);
13031
13032	bnx2x_update_mng_eee(params, vars->eee_status);
13033	return 0;
13034}
13035
13036int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
13037		     u8 reset_ext_phy)
13038{
13039	struct bnx2x *bp = params->bp;
13040	u8 phy_index, port = params->port, clear_latch_ind = 0;
13041	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
13042	/* Disable attentions */
13043	vars->link_status = 0;
13044	bnx2x_chng_link_count(params, true);
13045	bnx2x_update_mng(params, vars->link_status);
13046	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
13047			      SHMEM_EEE_ACTIVE_BIT);
13048	bnx2x_update_mng_eee(params, vars->eee_status);
13049	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
13050		       (NIG_MASK_XGXS0_LINK_STATUS |
13051			NIG_MASK_XGXS0_LINK10G |
13052			NIG_MASK_SERDES0_LINK_STATUS |
13053			NIG_MASK_MI_INT));
13054
13055	/* Activate nig drain */
13056	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
13057
13058	/* Disable nig egress interface */
13059	if (!CHIP_IS_E3(bp)) {
13060		REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
13061		REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
13062	}
13063
13064	if (!CHIP_IS_E3(bp)) {
13065		bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
13066	} else {
13067		bnx2x_set_xmac_rxtx(params, 0);
13068		bnx2x_set_umac_rxtx(params, 0);
13069	}
13070	/* Disable emac */
13071	if (!CHIP_IS_E3(bp))
13072		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
13073
13074	usleep_range(10000, 20000);
13075	/* The PHY reset is controlled by GPIO 1
13076	 * Hold it as vars low
13077	 */
13078	 /* Clear link led */
13079	bnx2x_set_mdio_emac_per_phy(bp, params);
13080	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
13081
13082	if (reset_ext_phy) {
13083		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
13084		      phy_index++) {
13085			if (params->phy[phy_index].link_reset) {
13086				bnx2x_set_aer_mmd(params,
13087						  &params->phy[phy_index]);
13088				params->phy[phy_index].link_reset(
13089					&params->phy[phy_index],
13090					params);
13091			}
13092			if (params->phy[phy_index].flags &
13093			    FLAGS_REARM_LATCH_SIGNAL)
13094				clear_latch_ind = 1;
13095		}
13096	}
13097
13098	if (clear_latch_ind) {
13099		/* Clear latching indication */
13100		bnx2x_rearm_latch_signal(bp, port, 0);
13101		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
13102			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
13103	}
13104	if (params->phy[INT_PHY].link_reset)
13105		params->phy[INT_PHY].link_reset(
13106			&params->phy[INT_PHY], params);
13107
13108	/* Disable nig ingress interface */
13109	if (!CHIP_IS_E3(bp)) {
13110		/* Reset BigMac */
13111		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
13112		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
13113		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
13114		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
13115	} else {
13116		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13117		bnx2x_set_xumac_nig(params, 0, 0);
13118		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13119		    MISC_REGISTERS_RESET_REG_2_XMAC)
13120			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
13121			       XMAC_CTRL_REG_SOFT_RESET);
13122	}
13123	vars->link_up = 0;
13124	vars->phy_flags = 0;
13125	return 0;
13126}
13127int bnx2x_lfa_reset(struct link_params *params,
13128			       struct link_vars *vars)
13129{
13130	struct bnx2x *bp = params->bp;
13131	vars->link_up = 0;
13132	vars->phy_flags = 0;
13133	params->link_flags &= ~PHY_INITIALIZED;
13134	if (!params->lfa_base)
13135		return bnx2x_link_reset(params, vars, 1);
13136	/*
13137	 * Activate NIG drain so that during this time the device won't send
13138	 * anything while it is unable to response.
13139	 */
13140	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13141
13142	/*
13143	 * Close gracefully the gate from BMAC to NIG such that no half packets
13144	 * are passed.
13145	 */
13146	if (!CHIP_IS_E3(bp))
13147		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
13148
13149	if (CHIP_IS_E3(bp)) {
13150		bnx2x_set_xmac_rxtx(params, 0);
13151		bnx2x_set_umac_rxtx(params, 0);
13152	}
13153	/* Wait 10ms for the pipe to clean up*/
13154	usleep_range(10000, 20000);
13155
13156	/* Clean the NIG-BRB using the network filters in a way that will
13157	 * not cut a packet in the middle.
13158	 */
13159	bnx2x_set_rx_filter(params, 0);
13160
13161	/*
13162	 * Re-open the gate between the BMAC and the NIG, after verifying the
13163	 * gate to the BRB is closed, otherwise packets may arrive to the
13164	 * firmware before driver had initialized it. The target is to achieve
13165	 * minimum management protocol down time.
13166	 */
13167	if (!CHIP_IS_E3(bp))
13168		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
13169
13170	if (CHIP_IS_E3(bp)) {
13171		bnx2x_set_xmac_rxtx(params, 1);
13172		bnx2x_set_umac_rxtx(params, 1);
13173	}
13174	/* Disable NIG drain */
13175	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13176	return 0;
13177}
13178
13179/****************************************************************************/
13180/*				Common function				    */
13181/****************************************************************************/
13182static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
13183				      u32 shmem_base_path[],
13184				      u32 shmem2_base_path[], u8 phy_index,
13185				      u32 chip_id)
13186{
13187	struct bnx2x_phy phy[PORT_MAX];
13188	struct bnx2x_phy *phy_blk[PORT_MAX];
13189	u16 val;
13190	s8 port = 0;
13191	s8 port_of_path = 0;
13192	u32 swap_val, swap_override;
13193	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
13194	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
13195	port ^= (swap_val && swap_override);
13196	bnx2x_ext_phy_hw_reset(bp, port);
13197	/* PART1 - Reset both phys */
13198	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13199		u32 shmem_base, shmem2_base;
13200		/* In E2, same phy is using for port0 of the two paths */
13201		if (CHIP_IS_E1x(bp)) {
13202			shmem_base = shmem_base_path[0];
13203			shmem2_base = shmem2_base_path[0];
13204			port_of_path = port;
13205		} else {
13206			shmem_base = shmem_base_path[port];
13207			shmem2_base = shmem2_base_path[port];
13208			port_of_path = 0;
13209		}
13210
13211		/* Extract the ext phy address for the port */
13212		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13213				       port_of_path, &phy[port]) !=
13214		    0) {
13215			DP(NETIF_MSG_LINK, "populate_phy failed\n");
13216			return -EINVAL;
13217		}
13218		/* Disable attentions */
13219		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13220			       port_of_path*4,
13221			       (NIG_MASK_XGXS0_LINK_STATUS |
13222				NIG_MASK_XGXS0_LINK10G |
13223				NIG_MASK_SERDES0_LINK_STATUS |
13224				NIG_MASK_MI_INT));
13225
13226		/* Need to take the phy out of low power mode in order
13227		 * to write to access its registers
13228		 */
13229		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13230			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13231			       port);
13232
13233		/* Reset the phy */
13234		bnx2x_cl45_write(bp, &phy[port],
13235				 MDIO_PMA_DEVAD,
13236				 MDIO_PMA_REG_CTRL,
13237				 1<<15);
13238	}
13239
13240	/* Add delay of 150ms after reset */
13241	msleep(150);
13242
13243	if (phy[PORT_0].addr & 0x1) {
13244		phy_blk[PORT_0] = &(phy[PORT_1]);
13245		phy_blk[PORT_1] = &(phy[PORT_0]);
13246	} else {
13247		phy_blk[PORT_0] = &(phy[PORT_0]);
13248		phy_blk[PORT_1] = &(phy[PORT_1]);
13249	}
13250
13251	/* PART2 - Download firmware to both phys */
13252	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13253		if (CHIP_IS_E1x(bp))
13254			port_of_path = port;
13255		else
13256			port_of_path = 0;
13257
13258		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13259			   phy_blk[port]->addr);
13260		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13261						      port_of_path))
13262			return -EINVAL;
13263
13264		/* Only set bit 10 = 1 (Tx power down) */
13265		bnx2x_cl45_read(bp, phy_blk[port],
13266				MDIO_PMA_DEVAD,
13267				MDIO_PMA_REG_TX_POWER_DOWN, &val);
13268
13269		/* Phase1 of TX_POWER_DOWN reset */
13270		bnx2x_cl45_write(bp, phy_blk[port],
13271				 MDIO_PMA_DEVAD,
13272				 MDIO_PMA_REG_TX_POWER_DOWN,
13273				 (val | 1<<10));
13274	}
13275
13276	/* Toggle Transmitter: Power down and then up with 600ms delay
13277	 * between
13278	 */
13279	msleep(600);
13280
13281	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
13282	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13283		/* Phase2 of POWER_DOWN_RESET */
13284		/* Release bit 10 (Release Tx power down) */
13285		bnx2x_cl45_read(bp, phy_blk[port],
13286				MDIO_PMA_DEVAD,
13287				MDIO_PMA_REG_TX_POWER_DOWN, &val);
13288
13289		bnx2x_cl45_write(bp, phy_blk[port],
13290				MDIO_PMA_DEVAD,
13291				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
13292		usleep_range(15000, 30000);
13293
13294		/* Read modify write the SPI-ROM version select register */
13295		bnx2x_cl45_read(bp, phy_blk[port],
13296				MDIO_PMA_DEVAD,
13297				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
13298		bnx2x_cl45_write(bp, phy_blk[port],
13299				 MDIO_PMA_DEVAD,
13300				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
13301
13302		/* set GPIO2 back to LOW */
13303		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13304			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
13305	}
13306	return 0;
13307}
13308static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
13309				      u32 shmem_base_path[],
13310				      u32 shmem2_base_path[], u8 phy_index,
13311				      u32 chip_id)
13312{
13313	u32 val;
13314	s8 port;
13315	struct bnx2x_phy phy;
13316	/* Use port1 because of the static port-swap */
13317	/* Enable the module detection interrupt */
13318	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13319	val |= ((1<<MISC_REGISTERS_GPIO_3)|
13320		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
13321	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13322
13323	bnx2x_ext_phy_hw_reset(bp, 0);
13324	usleep_range(5000, 10000);
13325	for (port = 0; port < PORT_MAX; port++) {
13326		u32 shmem_base, shmem2_base;
13327
13328		/* In E2, same phy is using for port0 of the two paths */
13329		if (CHIP_IS_E1x(bp)) {
13330			shmem_base = shmem_base_path[0];
13331			shmem2_base = shmem2_base_path[0];
13332		} else {
13333			shmem_base = shmem_base_path[port];
13334			shmem2_base = shmem2_base_path[port];
13335		}
13336		/* Extract the ext phy address for the port */
13337		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13338				       port, &phy) !=
13339		    0) {
13340			DP(NETIF_MSG_LINK, "populate phy failed\n");
13341			return -EINVAL;
13342		}
13343
13344		/* Reset phy*/
13345		bnx2x_cl45_write(bp, &phy,
13346				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13347
13348
13349		/* Set fault module detected LED on */
13350		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13351			       MISC_REGISTERS_GPIO_HIGH,
13352			       port);
13353	}
13354
13355	return 0;
13356}
13357static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13358					 u8 *io_gpio, u8 *io_port)
13359{
13360
13361	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13362					  offsetof(struct shmem_region,
13363				dev_info.port_hw_config[PORT_0].default_cfg));
13364	switch (phy_gpio_reset) {
13365	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13366		*io_gpio = 0;
13367		*io_port = 0;
13368		break;
13369	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13370		*io_gpio = 1;
13371		*io_port = 0;
13372		break;
13373	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13374		*io_gpio = 2;
13375		*io_port = 0;
13376		break;
13377	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13378		*io_gpio = 3;
13379		*io_port = 0;
13380		break;
13381	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13382		*io_gpio = 0;
13383		*io_port = 1;
13384		break;
13385	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13386		*io_gpio = 1;
13387		*io_port = 1;
13388		break;
13389	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13390		*io_gpio = 2;
13391		*io_port = 1;
13392		break;
13393	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13394		*io_gpio = 3;
13395		*io_port = 1;
13396		break;
13397	default:
13398		/* Don't override the io_gpio and io_port */
13399		break;
13400	}
13401}
13402
13403static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13404				      u32 shmem_base_path[],
13405				      u32 shmem2_base_path[], u8 phy_index,
13406				      u32 chip_id)
13407{
13408	s8 port, reset_gpio;
13409	u32 swap_val, swap_override;
13410	struct bnx2x_phy phy[PORT_MAX];
13411	struct bnx2x_phy *phy_blk[PORT_MAX];
13412	s8 port_of_path;
13413	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13414	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13415
13416	reset_gpio = MISC_REGISTERS_GPIO_1;
13417	port = 1;
13418
13419	/* Retrieve the reset gpio/port which control the reset.
13420	 * Default is GPIO1, PORT1
13421	 */
13422	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13423				     (u8 *)&reset_gpio, (u8 *)&port);
13424
13425	/* Calculate the port based on port swap */
13426	port ^= (swap_val && swap_override);
13427
13428	/* Initiate PHY reset*/
13429	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13430		       port);
13431	usleep_range(1000, 2000);
13432	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13433		       port);
13434
13435	usleep_range(5000, 10000);
13436
13437	/* PART1 - Reset both phys */
13438	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13439		u32 shmem_base, shmem2_base;
13440
13441		/* In E2, same phy is using for port0 of the two paths */
13442		if (CHIP_IS_E1x(bp)) {
13443			shmem_base = shmem_base_path[0];
13444			shmem2_base = shmem2_base_path[0];
13445			port_of_path = port;
13446		} else {
13447			shmem_base = shmem_base_path[port];
13448			shmem2_base = shmem2_base_path[port];
13449			port_of_path = 0;
13450		}
13451
13452		/* Extract the ext phy address for the port */
13453		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13454				       port_of_path, &phy[port]) !=
13455				       0) {
13456			DP(NETIF_MSG_LINK, "populate phy failed\n");
13457			return -EINVAL;
13458		}
13459		/* disable attentions */
13460		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13461			       port_of_path*4,
13462			       (NIG_MASK_XGXS0_LINK_STATUS |
13463				NIG_MASK_XGXS0_LINK10G |
13464				NIG_MASK_SERDES0_LINK_STATUS |
13465				NIG_MASK_MI_INT));
13466
13467
13468		/* Reset the phy */
13469		bnx2x_cl45_write(bp, &phy[port],
13470				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13471	}
13472
13473	/* Add delay of 150ms after reset */
13474	msleep(150);
13475	if (phy[PORT_0].addr & 0x1) {
13476		phy_blk[PORT_0] = &(phy[PORT_1]);
13477		phy_blk[PORT_1] = &(phy[PORT_0]);
13478	} else {
13479		phy_blk[PORT_0] = &(phy[PORT_0]);
13480		phy_blk[PORT_1] = &(phy[PORT_1]);
13481	}
13482	/* PART2 - Download firmware to both phys */
13483	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13484		if (CHIP_IS_E1x(bp))
13485			port_of_path = port;
13486		else
13487			port_of_path = 0;
13488		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13489			   phy_blk[port]->addr);
13490		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13491						      port_of_path))
13492			return -EINVAL;
13493		/* Disable PHY transmitter output */
13494		bnx2x_cl45_write(bp, phy_blk[port],
13495				 MDIO_PMA_DEVAD,
13496				 MDIO_PMA_REG_TX_DISABLE, 1);
13497
13498	}
13499	return 0;
13500}
13501
13502static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13503						u32 shmem_base_path[],
13504						u32 shmem2_base_path[],
13505						u8 phy_index,
13506						u32 chip_id)
13507{
13508	u8 reset_gpios;
13509	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13510	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13511	udelay(10);
13512	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13513	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13514		reset_gpios);
13515	return 0;
13516}
13517
13518static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13519				     u32 shmem2_base_path[], u8 phy_index,
13520				     u32 ext_phy_type, u32 chip_id)
13521{
13522	int rc = 0;
13523
13524	switch (ext_phy_type) {
13525	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13526		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13527						shmem2_base_path,
13528						phy_index, chip_id);
13529		break;
13530	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13531	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13532	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13533		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13534						shmem2_base_path,
13535						phy_index, chip_id);
13536		break;
13537
13538	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13539		/* GPIO1 affects both ports, so there's need to pull
13540		 * it for single port alone
13541		 */
13542		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13543						shmem2_base_path,
13544						phy_index, chip_id);
13545		break;
13546	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13547	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13548	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
13549		/* GPIO3's are linked, and so both need to be toggled
13550		 * to obtain required 2us pulse.
13551		 */
13552		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13553						shmem2_base_path,
13554						phy_index, chip_id);
13555		break;
13556	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13557		rc = -EINVAL;
13558		break;
13559	default:
13560		DP(NETIF_MSG_LINK,
13561			   "ext_phy 0x%x common init not required\n",
13562			   ext_phy_type);
13563		break;
13564	}
13565
13566	if (rc)
13567		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
13568				      " Port %d\n",
13569			 0);
13570	return rc;
13571}
13572
13573int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13574			  u32 shmem2_base_path[], u32 chip_id)
13575{
13576	int rc = 0;
13577	u32 phy_ver, val;
13578	u8 phy_index = 0;
13579	u32 ext_phy_type, ext_phy_config;
13580
13581	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13582	bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13583	DP(NETIF_MSG_LINK, "Begin common phy init\n");
13584	if (CHIP_IS_E3(bp)) {
13585		/* Enable EPIO */
13586		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13587		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13588	}
13589	/* Check if common init was already done */
13590	phy_ver = REG_RD(bp, shmem_base_path[0] +
13591			 offsetof(struct shmem_region,
13592				  port_mb[PORT_0].ext_phy_fw_version));
13593	if (phy_ver) {
13594		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13595			       phy_ver);
13596		return 0;
13597	}
13598
13599	/* Read the ext_phy_type for arbitrary port(0) */
13600	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13601	      phy_index++) {
13602		ext_phy_config = bnx2x_get_ext_phy_config(bp,
13603							  shmem_base_path[0],
13604							  phy_index, 0);
13605		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13606		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13607						shmem2_base_path,
13608						phy_index, ext_phy_type,
13609						chip_id);
13610	}
13611	return rc;
13612}
13613
13614static void bnx2x_check_over_curr(struct link_params *params,
13615				  struct link_vars *vars)
13616{
13617	struct bnx2x *bp = params->bp;
13618	u32 cfg_pin;
13619	u8 port = params->port;
13620	u32 pin_val;
13621
13622	cfg_pin = (REG_RD(bp, params->shmem_base +
13623			  offsetof(struct shmem_region,
13624			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13625		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13626		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13627
13628	/* Ignore check if no external input PIN available */
13629	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13630		return;
13631
13632	if (!pin_val) {
13633		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13634			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
13635					    " been detected and the power to "
13636					    "that SFP+ module has been removed"
13637					    " to prevent failure of the card."
13638					    " Please remove the SFP+ module and"
13639					    " restart the system to clear this"
13640					    " error.\n",
13641			 params->port);
13642			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13643			bnx2x_warpcore_power_module(params, 0);
13644		}
13645	} else
13646		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13647}
13648
13649/* Returns 0 if no change occurred since last check; 1 otherwise. */
13650static u8 bnx2x_analyze_link_error(struct link_params *params,
13651				    struct link_vars *vars, u32 status,
13652				    u32 phy_flag, u32 link_flag, u8 notify)
13653{
13654	struct bnx2x *bp = params->bp;
13655	/* Compare new value with previous value */
13656	u8 led_mode;
13657	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13658
13659	if ((status ^ old_status) == 0)
13660		return 0;
13661
13662	/* If values differ */
13663	switch (phy_flag) {
13664	case PHY_HALF_OPEN_CONN_FLAG:
13665		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13666		break;
13667	case PHY_SFP_TX_FAULT_FLAG:
13668		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13669		break;
13670	default:
13671		DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13672	}
13673	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13674	   old_status, status);
13675
13676	/* Do not touch the link in case physical link down */
13677	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13678		return 1;
13679
13680	/* a. Update shmem->link_status accordingly
13681	 * b. Update link_vars->link_up
13682	 */
13683	if (status) {
13684		vars->link_status &= ~LINK_STATUS_LINK_UP;
13685		vars->link_status |= link_flag;
13686		vars->link_up = 0;
13687		vars->phy_flags |= phy_flag;
13688
13689		/* activate nig drain */
13690		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13691		/* Set LED mode to off since the PHY doesn't know about these
13692		 * errors
13693		 */
13694		led_mode = LED_MODE_OFF;
13695	} else {
13696		vars->link_status |= LINK_STATUS_LINK_UP;
13697		vars->link_status &= ~link_flag;
13698		vars->link_up = 1;
13699		vars->phy_flags &= ~phy_flag;
13700		led_mode = LED_MODE_OPER;
13701
13702		/* Clear nig drain */
13703		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13704	}
13705	bnx2x_sync_link(params, vars);
13706	/* Update the LED according to the link state */
13707	bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13708
13709	/* Update link status in the shared memory */
13710	bnx2x_update_mng(params, vars->link_status);
13711
13712	/* C. Trigger General Attention */
13713	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13714	if (notify)
13715		bnx2x_notify_link_changed(bp);
13716
13717	return 1;
13718}
13719
13720/******************************************************************************
13721* Description:
13722*	This function checks for half opened connection change indication.
13723*	When such change occurs, it calls the bnx2x_analyze_link_error
13724*	to check if Remote Fault is set or cleared. Reception of remote fault
13725*	status message in the MAC indicates that the peer's MAC has detected
13726*	a fault, for example, due to break in the TX side of fiber.
13727*
13728******************************************************************************/
13729static int bnx2x_check_half_open_conn(struct link_params *params,
13730				      struct link_vars *vars,
13731				      u8 notify)
13732{
13733	struct bnx2x *bp = params->bp;
13734	u32 lss_status = 0;
13735	u32 mac_base;
13736	/* In case link status is physically up @ 10G do */
13737	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13738	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13739		return 0;
13740
13741	if (CHIP_IS_E3(bp) &&
13742	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
13743	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13744		/* Check E3 XMAC */
13745		/* Note that link speed cannot be queried here, since it may be
13746		 * zero while link is down. In case UMAC is active, LSS will
13747		 * simply not be set
13748		 */
13749		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13750
13751		/* Clear stick bits (Requires rising edge) */
13752		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13753		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13754		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13755		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13756		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13757			lss_status = 1;
13758
13759		bnx2x_analyze_link_error(params, vars, lss_status,
13760					 PHY_HALF_OPEN_CONN_FLAG,
13761					 LINK_STATUS_NONE, notify);
13762	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13763		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13764		/* Check E1X / E2 BMAC */
13765		u32 lss_status_reg;
13766		u32 wb_data[2];
13767		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13768			NIG_REG_INGRESS_BMAC0_MEM;
13769		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13770		if (CHIP_IS_E2(bp))
13771			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13772		else
13773			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13774
13775		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13776		lss_status = (wb_data[0] > 0);
13777
13778		bnx2x_analyze_link_error(params, vars, lss_status,
13779					 PHY_HALF_OPEN_CONN_FLAG,
13780					 LINK_STATUS_NONE, notify);
13781	}
13782	return 0;
13783}
13784static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13785					 struct link_params *params,
13786					 struct link_vars *vars)
13787{
13788	struct bnx2x *bp = params->bp;
13789	u32 cfg_pin, value = 0;
13790	u8 led_change, port = params->port;
13791
13792	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13793	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13794			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13795		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13796		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13797
13798	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13799		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13800		return;
13801	}
13802
13803	led_change = bnx2x_analyze_link_error(params, vars, value,
13804					      PHY_SFP_TX_FAULT_FLAG,
13805					      LINK_STATUS_SFP_TX_FAULT, 1);
13806
13807	if (led_change) {
13808		/* Change TX_Fault led, set link status for further syncs */
13809		u8 led_mode;
13810
13811		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13812			led_mode = MISC_REGISTERS_GPIO_HIGH;
13813			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13814		} else {
13815			led_mode = MISC_REGISTERS_GPIO_LOW;
13816			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13817		}
13818
13819		/* If module is unapproved, led should be on regardless */
13820		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13821			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13822			   led_mode);
13823			bnx2x_set_e3_module_fault_led(params, led_mode);
13824		}
13825	}
13826}
13827static void bnx2x_kr2_recovery(struct link_params *params,
13828			       struct link_vars *vars,
13829			       struct bnx2x_phy *phy)
13830{
13831	struct bnx2x *bp = params->bp;
13832	DP(NETIF_MSG_LINK, "KR2 recovery\n");
13833	bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13834	bnx2x_warpcore_restart_AN_KR(phy, params);
13835}
13836
13837static void bnx2x_check_kr2_wa(struct link_params *params,
13838			       struct link_vars *vars,
13839			       struct bnx2x_phy *phy)
13840{
13841	struct bnx2x *bp = params->bp;
13842	u16 base_page, next_page, not_kr2_device, lane;
13843	int sigdet;
13844
13845	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13846	 * Since some switches tend to reinit the AN process and clear the
13847	 * advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13848	 * and recovered many times
13849	 */
13850	if (vars->check_kr2_recovery_cnt > 0) {
13851		vars->check_kr2_recovery_cnt--;
13852		return;
13853	}
13854
13855	sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13856	if (!sigdet) {
13857		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13858			bnx2x_kr2_recovery(params, vars, phy);
13859			DP(NETIF_MSG_LINK, "No sigdet\n");
13860		}
13861		return;
13862	}
13863
13864	lane = bnx2x_get_warpcore_lane(phy, params);
13865	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13866			  MDIO_AER_BLOCK_AER_REG, lane);
13867	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13868			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13869	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13870			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13871	bnx2x_set_aer_mmd(params, phy);
13872
13873	/* CL73 has not begun yet */
13874	if (base_page == 0) {
13875		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13876			bnx2x_kr2_recovery(params, vars, phy);
13877			DP(NETIF_MSG_LINK, "No BP\n");
13878		}
13879		return;
13880	}
13881
13882	/* In case NP bit is not set in the BasePage, or it is set,
13883	 * but only KX is advertised, declare this link partner as non-KR2
13884	 * device.
13885	 */
13886	not_kr2_device = (((base_page & 0x8000) == 0) ||
13887			  (((base_page & 0x8000) &&
13888			    ((next_page & 0xe0) == 0x20))));
13889
13890	/* In case KR2 is already disabled, check if we need to re-enable it */
13891	if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13892		if (!not_kr2_device) {
13893			DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13894			   next_page);
13895			bnx2x_kr2_recovery(params, vars, phy);
13896		}
13897		return;
13898	}
13899	/* KR2 is enabled, but not KR2 device */
13900	if (not_kr2_device) {
13901		/* Disable KR2 on both lanes */
13902		DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13903		bnx2x_disable_kr2(params, vars, phy);
13904		/* Restart AN on leading lane */
13905		bnx2x_warpcore_restart_AN_KR(phy, params);
13906		return;
13907	}
13908}
13909
13910void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13911{
13912	u16 phy_idx;
13913	struct bnx2x *bp = params->bp;
13914	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13915		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13916			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13917			if (bnx2x_check_half_open_conn(params, vars, 1) !=
13918			    0)
13919				DP(NETIF_MSG_LINK, "Fault detection failed\n");
13920			break;
13921		}
13922	}
13923
13924	if (CHIP_IS_E3(bp)) {
13925		struct bnx2x_phy *phy = &params->phy[INT_PHY];
13926		bnx2x_set_aer_mmd(params, phy);
13927		if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
13928		     (phy->speed_cap_mask &
13929		      PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
13930		    (phy->req_line_speed == SPEED_20000))
13931			bnx2x_check_kr2_wa(params, vars, phy);
13932		bnx2x_check_over_curr(params, vars);
13933		if (vars->rx_tx_asic_rst)
13934			bnx2x_warpcore_config_runtime(phy, params, vars);
13935
13936		if ((REG_RD(bp, params->shmem_base +
13937			    offsetof(struct shmem_region, dev_info.
13938				port_hw_config[params->port].default_cfg))
13939		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13940		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
13941			if (bnx2x_is_sfp_module_plugged(phy, params)) {
13942				bnx2x_sfp_tx_fault_detection(phy, params, vars);
13943			} else if (vars->link_status &
13944				LINK_STATUS_SFP_TX_FAULT) {
13945				/* Clean trail, interrupt corrects the leds */
13946				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13947				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13948				/* Update link status in the shared memory */
13949				bnx2x_update_mng(params, vars->link_status);
13950			}
13951		}
13952	}
13953}
13954
13955u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13956			     u32 shmem_base,
13957			     u32 shmem2_base,
13958			     u8 port)
13959{
13960	u8 phy_index, fan_failure_det_req = 0;
13961	struct bnx2x_phy phy;
13962	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13963	      phy_index++) {
13964		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13965				       port, &phy)
13966		    != 0) {
13967			DP(NETIF_MSG_LINK, "populate phy failed\n");
13968			return 0;
13969		}
13970		fan_failure_det_req |= (phy.flags &
13971					FLAGS_FAN_FAILURE_DET_REQ);
13972	}
13973	return fan_failure_det_req;
13974}
13975
13976void bnx2x_hw_reset_phy(struct link_params *params)
13977{
13978	u8 phy_index;
13979	struct bnx2x *bp = params->bp;
13980	bnx2x_update_mng(params, 0);
13981	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13982		       (NIG_MASK_XGXS0_LINK_STATUS |
13983			NIG_MASK_XGXS0_LINK10G |
13984			NIG_MASK_SERDES0_LINK_STATUS |
13985			NIG_MASK_MI_INT));
13986
13987	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13988	      phy_index++) {
13989		if (params->phy[phy_index].hw_reset) {
13990			params->phy[phy_index].hw_reset(
13991				&params->phy[phy_index],
13992				params);
13993			params->phy[phy_index] = phy_null;
13994		}
13995	}
13996}
13997
13998void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13999			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
14000			    u8 port)
14001{
14002	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
14003	u32 val;
14004	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
14005	if (CHIP_IS_E3(bp)) {
14006		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
14007					      shmem_base,
14008					      port,
14009					      &gpio_num,
14010					      &gpio_port) != 0)
14011			return;
14012	} else {
14013		struct bnx2x_phy phy;
14014		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
14015		      phy_index++) {
14016			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
14017					       shmem2_base, port, &phy)
14018			    != 0) {
14019				DP(NETIF_MSG_LINK, "populate phy failed\n");
14020				return;
14021			}
14022			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
14023				gpio_num = MISC_REGISTERS_GPIO_3;
14024				gpio_port = port;
14025				break;
14026			}
14027		}
14028	}
14029
14030	if (gpio_num == 0xff)
14031		return;
14032
14033	/* Set GPIO3 to trigger SFP+ module insertion/removal */
14034	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
14035
14036	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
14037	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
14038	gpio_port ^= (swap_val && swap_override);
14039
14040	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
14041		(gpio_num + (gpio_port << 2));
14042
14043	sync_offset = shmem_base +
14044		offsetof(struct shmem_region,
14045			 dev_info.port_hw_config[port].aeu_int_mask);
14046	REG_WR(bp, sync_offset, vars->aeu_int_mask);
14047
14048	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
14049		       gpio_num, gpio_port, vars->aeu_int_mask);
14050
14051	if (port == 0)
14052		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
14053	else
14054		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
14055
14056	/* Open appropriate AEU for interrupts */
14057	aeu_mask = REG_RD(bp, offset);
14058	aeu_mask |= vars->aeu_int_mask;
14059	REG_WR(bp, offset, aeu_mask);
14060
14061	/* Enable the GPIO to trigger interrupt */
14062	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
14063	val |= 1 << (gpio_num + (gpio_port << 2));
14064	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
14065}
14066