cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bnx2x_link.c (417786B)


      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	str[0] = '\0';
   6167	(*len)--;
   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 10chars 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 < 10) {
   6192		/* Need more than 10chars 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)
   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 -= 5;
  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	 * the 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}