bxe_elink.c patched for 2.5Gb/s

bxe_elink.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2007-2017 QLogic Corporation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include "bxe.h"
#include "bxe_elink.h"
#include "ecore_mfw_req.h"
#include "ecore_fw_defs.h"
#include "ecore_hsi.h"
#include "ecore_reg.h"


#define MDIO_REG_BANK_CL73_IEEEB0			0x0
	#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL		0x0
		#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN	0x0200
		#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN		0x1000
		#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_MAIN_RST	0x8000

#define MDIO_REG_BANK_CL73_IEEEB1			0x10
	#define MDIO_CL73_IEEEB1_AN_ADV1			0x00
		#define	MDIO_CL73_IEEEB1_AN_ADV1_PAUSE			0x0400
		#define	MDIO_CL73_IEEEB1_AN_ADV1_ASYMMETRIC 		0x0800
		#define	MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH		0x0C00
		#define	MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK		0x0C00
	#define MDIO_CL73_IEEEB1_AN_ADV2				0x01
		#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M		0x0000
		#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX		0x0020
		#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4		0x0040
		#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR		0x0080
	#define	MDIO_CL73_IEEEB1_AN_LP_ADV1			0x03
		#define	MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE		0x0400
		#define	MDIO_CL73_IEEEB1_AN_LP_ADV1_ASYMMETRIC 		0x0800
		#define	MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_BOTH		0x0C00
		#define	MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK		0x0C00
	#define	MDIO_CL73_IEEEB1_AN_LP_ADV2			0x04

#define	MDIO_REG_BANK_RX0				0x80b0
	#define	MDIO_RX0_RX_STATUS				0x10
		#define	MDIO_RX0_RX_STATUS_SIGDET			0x8000
		#define	MDIO_RX0_RX_STATUS_RX_SEQ_DONE			0x1000
	#define	MDIO_RX0_RX_EQ_BOOST				0x1c
		#define	MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
		#define	MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL		0x10

#define	MDIO_REG_BANK_RX1				0x80c0
	#define	MDIO_RX1_RX_EQ_BOOST				0x1c
		#define	MDIO_RX1_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
		#define	MDIO_RX1_RX_EQ_BOOST_OFFSET_CTRL		0x10

#define	MDIO_REG_BANK_RX2				0x80d0
	#define	MDIO_RX2_RX_EQ_BOOST				0x1c
		#define	MDIO_RX2_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
		#define	MDIO_RX2_RX_EQ_BOOST_OFFSET_CTRL		0x10

#define	MDIO_REG_BANK_RX3				0x80e0
	#define	MDIO_RX3_RX_EQ_BOOST				0x1c
		#define	MDIO_RX3_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
		#define	MDIO_RX3_RX_EQ_BOOST_OFFSET_CTRL		0x10

#define	MDIO_REG_BANK_RX_ALL				0x80f0
	#define	MDIO_RX_ALL_RX_EQ_BOOST				0x1c
		#define	MDIO_RX_ALL_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
		#define	MDIO_RX_ALL_RX_EQ_BOOST_OFFSET_CTRL	0x10

#define	MDIO_REG_BANK_TX0				0x8060
	#define	MDIO_TX0_TX_DRIVER				0x17
		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK		0xf000
		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT		12
		#define	MDIO_TX0_TX_DRIVER_IDRIVER_MASK			0x0f00
		#define	MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT		8
		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK		0x00f0
		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT		4
		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_MASK		0x000e
		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT		1
		#define	MDIO_TX0_TX_DRIVER_ICBUF1T			1

#define	MDIO_REG_BANK_TX1				0x8070
	#define	MDIO_TX1_TX_DRIVER				0x17
		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK		0xf000
		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT		12
		#define	MDIO_TX0_TX_DRIVER_IDRIVER_MASK			0x0f00
		#define	MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT		8
		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK		0x00f0
		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT		4
		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_MASK		0x000e
		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT		1
		#define	MDIO_TX0_TX_DRIVER_ICBUF1T			1

#define	MDIO_REG_BANK_TX2				0x8080
	#define	MDIO_TX2_TX_DRIVER				0x17
		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK		0xf000
		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT		12
		#define	MDIO_TX0_TX_DRIVER_IDRIVER_MASK			0x0f00
		#define	MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT		8
		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK		0x00f0
		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT		4
		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_MASK		0x000e
		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT		1
		#define	MDIO_TX0_TX_DRIVER_ICBUF1T			1

#define	MDIO_REG_BANK_TX3				0x8090
	#define	MDIO_TX3_TX_DRIVER				0x17
		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK		0xf000
		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT		12
		#define	MDIO_TX0_TX_DRIVER_IDRIVER_MASK			0x0f00
		#define	MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT		8
		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK		0x00f0
		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT		4
		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_MASK		0x000e
		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT		1
		#define	MDIO_TX0_TX_DRIVER_ICBUF1T			1

#define	MDIO_REG_BANK_XGXS_BLOCK0			0x8000
	#define	MDIO_BLOCK0_XGXS_CONTROL			0x10

#define	MDIO_REG_BANK_XGXS_BLOCK1			0x8010
	#define	MDIO_BLOCK1_LANE_CTRL0				0x15
	#define	MDIO_BLOCK1_LANE_CTRL1				0x16
	#define	MDIO_BLOCK1_LANE_CTRL2				0x17
	#define	MDIO_BLOCK1_LANE_PRBS				0x19

#define	MDIO_REG_BANK_XGXS_BLOCK2			0x8100
	#define	MDIO_XGXS_BLOCK2_RX_LN_SWAP			0x10
		#define	MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE		0x8000
		#define	MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE	0x4000
		#define	MDIO_XGXS_BLOCK2_TX_LN_SWAP		0x11
		#define	MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE		0x8000
		#define	MDIO_XGXS_BLOCK2_UNICORE_MODE_10G	0x14
		#define	MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS	0x0001
		#define	MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS	0x0010
		#define	MDIO_XGXS_BLOCK2_TEST_MODE_LANE		0x15

#define	MDIO_REG_BANK_GP_STATUS				0x8120
#define	MDIO_GP_STATUS_TOP_AN_STATUS1				0x1B
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE	0x0001
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE	0x0002
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS		0x0004
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS		0x0008
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE	0x0010
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_LP_NP_BAM_ABLE	0x0020
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE	0x0040
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE	0x0080
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK		0x3f00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M		0x0000
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M		0x0100
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G		0x0200
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G		0x0300
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G		0x0400
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G		0x0500
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG	0x0600
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4	0x0700
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG	0x0800
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G	0x0900
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G		0x0A00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G		0x0B00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G		0x0C00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX	0x0D00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4	0x0E00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR	0x0F00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI	0x1B00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS	0x1E00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI	0x1F00
	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2	0x3900


#define	MDIO_REG_BANK_10G_PARALLEL_DETECT		0x8130
#define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS		0x10
#define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK		0x8000
#define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL		0x11
#define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN	0x1
#define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK		0x13
#define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT		(0xb71<<1)

#define	MDIO_REG_BANK_SERDES_DIGITAL			0x8300
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1			0x10
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE			0x0001
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_TBI_IF			0x0002
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN		0x0004
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT	0x0008
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET			0x0010
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE			0x0020
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL2			0x11
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN			0x0001
#define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_AN_FST_TMR			0x0040
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1			0x14
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SGMII			0x0001
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_LINK			0x0002
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_DUPLEX			0x0004
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_MASK			0x0018
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_SHIFT			3
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_2_5G			0x0018
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_1G			0x0010
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_100M			0x0008
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_10M			0x0000
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS2			0x15
#define	MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED			0x0002
#define	MDIO_SERDES_DIGITAL_MISC1				0x18
#define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_MASK			0xE000
#define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_25M			0x0000
#define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_100M			0x2000
#define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_125M			0x4000
#define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M			0x6000
#define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_187_5M			0x8000
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL			0x0010
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK			0x000f
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_2_5G			0x0000
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_5G			0x0001
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_6G			0x0002
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_HIG			0x0003
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4			0x0004
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12G			0x0005
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12_5G			0x0006
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G			0x0007
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_15G			0x0008
#define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_16G			0x0009

#define	MDIO_REG_BANK_OVER_1G				0x8320
#define	MDIO_OVER_1G_DIGCTL_3_4					0x14
#define	MDIO_OVER_1G_DIGCTL_3_4_MP_ID_MASK				0xffe0
#define	MDIO_OVER_1G_DIGCTL_3_4_MP_ID_SHIFT				5
#define	MDIO_OVER_1G_UP1					0x19
#define	MDIO_OVER_1G_UP1_2_5G						0x0001
#define	MDIO_OVER_1G_UP1_5G						0x0002
#define	MDIO_OVER_1G_UP1_6G						0x0004
#define	MDIO_OVER_1G_UP1_10G						0x0010
#define	MDIO_OVER_1G_UP1_10GH						0x0008
#define	MDIO_OVER_1G_UP1_12G						0x0020
#define	MDIO_OVER_1G_UP1_12_5G						0x0040
#define	MDIO_OVER_1G_UP1_13G						0x0080
#define	MDIO_OVER_1G_UP1_15G						0x0100
#define	MDIO_OVER_1G_UP1_16G						0x0200
#define	MDIO_OVER_1G_UP2					0x1A
#define	MDIO_OVER_1G_UP2_IPREDRIVER_MASK				0x0007
#define	MDIO_OVER_1G_UP2_IDRIVER_MASK					0x0038
#define	MDIO_OVER_1G_UP2_PREEMPHASIS_MASK				0x03C0
#define	MDIO_OVER_1G_UP3					0x1B
#define	MDIO_OVER_1G_UP3_HIGIG2						0x0001
#define	MDIO_OVER_1G_LP_UP1					0x1C
#define	MDIO_OVER_1G_LP_UP2					0x1D
#define	MDIO_OVER_1G_LP_UP2_MR_ADV_OVER_1G_MASK				0x03ff
#define	MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK				0x0780
#define	MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT				7
#define	MDIO_OVER_1G_LP_UP3						0x1E

#define	MDIO_REG_BANK_REMOTE_PHY			0x8330
#define	MDIO_REMOTE_PHY_MISC_RX_STATUS				0x10
#define	MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG	0x0010
#define	MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG	0x0600

#define	MDIO_REG_BANK_BAM_NEXT_PAGE			0x8350
#define	MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL			0x10
#define	MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE			0x0001
#define	MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN			0x0002

#define	MDIO_REG_BANK_CL73_USERB0		0x8370
#define	MDIO_CL73_USERB0_CL73_UCTRL				0x10
#define	MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL			0x0002
#define	MDIO_CL73_USERB0_CL73_USTAT1				0x11
#define	MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK			0x0100
#define	MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37		0x0400
#define	MDIO_CL73_USERB0_CL73_BAM_CTRL1				0x12
#define	MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN				0x8000
#define	MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN		0x4000
#define	MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN		0x2000
#define	MDIO_CL73_USERB0_CL73_BAM_CTRL3				0x14
#define	MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR			0x0001

#define	MDIO_REG_BANK_AER_BLOCK			0xFFD0
#define	MDIO_AER_BLOCK_AER_REG					0x1E

#define	MDIO_REG_BANK_COMBO_IEEE0		0xFFE0
#define	MDIO_COMBO_IEEE0_MII_CONTROL				0x10
#define	MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK			0x2040
#define	MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_10			0x0000
#define	MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100			0x2000
#define	MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000			0x0040
#define	MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX				0x0100
#define	MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN				0x0200
#define	MDIO_COMBO_IEEO_MII_CONTROL_AN_EN				0x1000
#define	MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK				0x4000
#define	MDIO_COMBO_IEEO_MII_CONTROL_RESET				0x8000
#define	MDIO_COMBO_IEEE0_MII_STATUS				0x11
#define	MDIO_COMBO_IEEE0_MII_STATUS_LINK_PASS				0x0004
#define	MDIO_COMBO_IEEE0_MII_STATUS_AUTONEG_COMPLETE			0x0020
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV				0x14
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX			0x0020
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_HALF_DUPLEX			0x0040
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK			0x0180
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE			0x0000
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC			0x0080
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC			0x0100
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH			0x0180
#define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_NEXT_PAGE				0x8000
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1		0x15
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_NEXT_PAGE	0x8000
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_ACK		0x4000
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_MASK	0x0180
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_NONE	0x0000
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_BOTH	0x0180
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_HALF_DUP_CAP	0x0040
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_FULL_DUP_CAP	0x0020
/*WhenthelinkpartnerisinSGMIImode(bit0=1),then
bit15=link,bit12=duplex,bits11:10=speed,bit14=acknowledge.
Theotherbitsarereservedandshouldbezero*/
#define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_SGMII_MODE	0x0001


#define	MDIO_PMA_DEVAD			0x1
/*ieee*/
#define	MDIO_PMA_REG_CTRL		0x0
#define	MDIO_PMA_REG_STATUS		0x1
#define	MDIO_PMA_REG_10G_CTRL2		0x7
#define MDIO_PMA_REG_TX_DISABLE		0x0009
#define	MDIO_PMA_REG_RX_SD		0xa
/*bcm*/
#define	MDIO_PMA_REG_BCM_CTRL		0x0096
#define MDIO_PMA_REG_FEC_CTRL		0x00ab
#define	MDIO_PMA_LASI_RXCTRL		0x9000
#define	MDIO_PMA_LASI_TXCTRL		0x9001
#define	MDIO_PMA_LASI_CTRL		0x9002
#define	MDIO_PMA_LASI_RXSTAT		0x9003
#define	MDIO_PMA_LASI_TXSTAT		0x9004
#define	MDIO_PMA_LASI_STAT		0x9005
#define	MDIO_PMA_REG_PHY_IDENTIFIER	0xc800
#define	MDIO_PMA_REG_DIGITAL_CTRL	0xc808
#define	MDIO_PMA_REG_DIGITAL_STATUS	0xc809
#define	MDIO_PMA_REG_TX_POWER_DOWN	0xca02
#define	MDIO_PMA_REG_CMU_PLL_BYPASS	0xca09
#define	MDIO_PMA_REG_MISC_CTRL		0xca0a
#define	MDIO_PMA_REG_GEN_CTRL		0xca10
	#define	MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP	0x0188
	#define	MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET		0x018a
#define	MDIO_PMA_REG_M8051_MSGIN_REG	0xca12
#define	MDIO_PMA_REG_M8051_MSGOUT_REG	0xca13
#define	MDIO_PMA_REG_ROM_VER1		0xca19
#define	MDIO_PMA_REG_ROM_VER2		0xca1a
#define	MDIO_PMA_REG_EDC_FFE_MAIN	0xca1b
#define	MDIO_PMA_REG_PLL_BANDWIDTH	0xca1d
#define MDIO_PMA_REG_PLL_CTRL 		0xca1e
#define MDIO_PMA_REG_MISC_CTRL0 	0xca23
#define MDIO_PMA_REG_LRM_MODE	 	0xca3f
#define	MDIO_PMA_REG_CDR_BANDWIDTH 	0xca46
#define	MDIO_PMA_REG_MISC_CTRL1		0xca85

#define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL		0x8000
	#define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK 	0x000c
		#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE 		0x0000
		#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE 	0x0004
		#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IN_PROGRESS 	0x0008
		#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_FAILED 	0x000c
#define MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT 	0x8002
#define MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR 	0x8003
#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF	0xc820
	#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK 0xff
#define MDIO_PMA_REG_8726_TX_CTRL1		0xca01
#define MDIO_PMA_REG_8726_TX_CTRL2		0xca05

#define MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR	0x8005
#define MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF	0x8007
	#define MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK 0xff
#define MDIO_PMA_REG_8727_MISC_CTRL		0x8309
#define MDIO_PMA_REG_8727_TX_CTRL1		0xca02
#define MDIO_PMA_REG_8727_TX_CTRL2		0xca05
#define MDIO_PMA_REG_8727_PCS_OPT_CTRL		0xc808
#define MDIO_PMA_REG_8727_GPIO_CTRL		0xc80e
#define MDIO_PMA_REG_8727_PCS_GP		0xc842
#define MDIO_PMA_REG_8727_OPT_CFG_REG		0xc8e4

#define MDIO_AN_REG_8727_MISC_CTRL1		0x8308
#define MDIO_AN_REG_8727_MISC_CTRL2		0x8309
#define	MDIO_PMA_REG_8073_CHIP_REV			0xc801
#define MDIO_PMA_REG_8073_SPEED_LINK_STATUS		0xc820
#define MDIO_PMA_REG_8073_XAUI_WA 			0xc841
#define MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL 		0xcd08

#define MDIO_PMA_REG_7101_RESET		0xc000
#define	MDIO_PMA_REG_7107_LED_CNTL	0xc007
#define	MDIO_PMA_REG_7107_LINK_LED_CNTL	0xc009
#define	MDIO_PMA_REG_7101_VER1		0xc026
#define	MDIO_PMA_REG_7101_VER2		0xc027

#define MDIO_PMA_REG_8481_PMD_SIGNAL	0xa811
#define MDIO_PMA_REG_8481_LED1_MASK	0xa82c
#define MDIO_PMA_REG_8481_LED2_MASK	0xa82f
#define MDIO_PMA_REG_8481_LED3_MASK	0xa832
#define MDIO_PMA_REG_8481_LED3_BLINK	0xa834
#define MDIO_PMA_REG_8481_LED5_MASK	                0xa838
#define MDIO_PMA_REG_8481_SIGNAL_MASK	0xa835
#define MDIO_PMA_REG_8481_LINK_SIGNAL	0xa83b
#define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK	0x800
#define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT	11



#define	MDIO_WIS_DEVAD			0x2
/*bcm*/
#define	MDIO_WIS_REG_LASI_CNTL		0x9002
#define	MDIO_WIS_REG_LASI_STATUS	0x9005

#define	MDIO_PCS_DEVAD			0x3
#define	MDIO_PCS_REG_STATUS		0x0020
#define MDIO_PCS_REG_LASI_STATUS	0x9005
#define MDIO_PCS_REG_7101_DSP_ACCESS	0xD000
#define MDIO_PCS_REG_7101_SPI_MUX 	0xD008
#define MDIO_PCS_REG_7101_SPI_CTRL_ADDR 0xE12A
	#define MDIO_PCS_REG_7101_SPI_RESET_BIT (5)
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR 0xE02A
	#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD (6)
	#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_BULK_ERASE_CMD   (0xC7)
	#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD (2)
#define MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR 0xE028



#define	MDIO_XS_DEVAD			0x4
#define	MDIO_XS_REG_STATUS		0x0001
#define MDIO_XS_PLL_SEQUENCER 		0x8000
#define	MDIO_XS_SFX7101_XGXS_TEST1	0xc00a

#define MDIO_XS_8706_REG_BANK_RX0	0x80bc
#define MDIO_XS_8706_REG_BANK_RX1	0x80cc
#define MDIO_XS_8706_REG_BANK_RX2	0x80dc
#define MDIO_XS_8706_REG_BANK_RX3	0x80ec
#define MDIO_XS_8706_REG_BANK_RXA	0x80fc

#define MDIO_XS_REG_8073_RX_CTRL_PCIE	0x80FA

#define	MDIO_AN_DEVAD			0x7
/*ieee*/
#define	MDIO_AN_REG_CTRL		0x0000
#define	MDIO_AN_REG_STATUS		0x0001
	#define	MDIO_AN_REG_STATUS_AN_COMPLETE		0x0020
#define	MDIO_AN_REG_ADV_PAUSE		0x0010
	#define	MDIO_AN_REG_ADV_PAUSE_PAUSE		0x0400
	#define	MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC	0x0800
	#define	MDIO_AN_REG_ADV_PAUSE_BOTH		0x0C00
	#define	MDIO_AN_REG_ADV_PAUSE_MASK		0x0C00
#define	MDIO_AN_REG_ADV			0x0011
#define MDIO_AN_REG_ADV2		0x0012
#define	MDIO_AN_REG_LP_AUTO_NEG		0x0013
#define	MDIO_AN_REG_LP_AUTO_NEG2	0x0014
#define	MDIO_AN_REG_MASTER_STATUS	0x0021
#define	MDIO_AN_REG_EEE_ADV		0x003c
#define	MDIO_AN_REG_LP_EEE_ADV		0x003d
/*bcm*/
#define	MDIO_AN_REG_LINK_STATUS		0x8304
#define	MDIO_AN_REG_CL37_CL73		0x8370
#define	MDIO_AN_REG_CL37_AN		0xffe0
#define	MDIO_AN_REG_CL37_FC_LD		0xffe4
#define 	MDIO_AN_REG_CL37_FC_LP		0xffe5
#define 	MDIO_AN_REG_1000T_STATUS	0xffea

#define MDIO_AN_REG_8073_2_5G		0x8329
#define MDIO_AN_REG_8073_BAM		0x8350

#define MDIO_AN_REG_8481_10GBASE_T_AN_CTRL	0x0020
#define MDIO_AN_REG_8481_LEGACY_MII_CTRL	0xffe0
	#define MDIO_AN_REG_8481_MII_CTRL_FORCE_1G	0x40
#define MDIO_AN_REG_8481_LEGACY_MII_STATUS	0xffe1
#define MDIO_AN_REG_848xx_ID_MSB		0xffe2
	#define BCM84858_PHY_ID					0x600d
#define MDIO_AN_REG_848xx_ID_LSB		0xffe3
#define MDIO_AN_REG_8481_LEGACY_AN_ADV		0xffe4
#define MDIO_AN_REG_8481_LEGACY_AN_EXPANSION	0xffe6
#define MDIO_AN_REG_8481_1000T_CTRL		0xffe9
#define MDIO_AN_REG_8481_1G_100T_EXT_CTRL	0xfff0
	#define MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF	0x0008
#define MDIO_AN_REG_8481_EXPANSION_REG_RD_RW	0xfff5
#define MDIO_AN_REG_8481_EXPANSION_REG_ACCESS	0xfff7
#define MDIO_AN_REG_8481_AUX_CTRL		0xfff8
#define MDIO_AN_REG_8481_LEGACY_SHADOW		0xfffc

/* BCM84823 only */
#define	MDIO_CTL_DEVAD			0x1e
#define MDIO_CTL_REG_84823_MEDIA		0x401a
	#define MDIO_CTL_REG_84823_MEDIA_MAC_MASK		0x0018
	/* These pins configure the BCM84823 interface to MAC after reset. */
		#define MDIO_CTL_REG_84823_CTRL_MAC_XFI			0x0008
		#define MDIO_CTL_REG_84823_MEDIA_MAC_XAUI_M		0x0010
	/* These pins configure the BCM84823 interface to Line after reset. */
	#define MDIO_CTL_REG_84823_MEDIA_LINE_MASK		0x0060
		#define MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L		0x0020
		#define MDIO_CTL_REG_84823_MEDIA_LINE_XFI		0x0040
	/* When this pin is active high during reset, 10GBASE-T core is power
	 * down, When it is active low the 10GBASE-T is power up
	 */
	#define MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN	0x0080
	#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK		0x0100
		#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER	0x0000
		#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER		0x0100
	#define MDIO_CTL_REG_84823_MEDIA_FIBER_1G			0x1000
#define MDIO_CTL_REG_84823_USER_CTRL_REG			0x4005
	#define MDIO_CTL_REG_84823_USER_CTRL_CMS			0x0080
#define MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH		0xa82b
	#define MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ	0x2f
#define MDIO_PMA_REG_84823_CTL_LED_CTL_1			0xa8e3
#define MDIO_PMA_REG_84833_CTL_LED_CTL_1			0xa8ec
	#define MDIO_PMA_REG_84823_LED3_STRETCH_EN			0x0080

/* BCM84833 only */
#define MDIO_84833_TOP_CFG_FW_REV			0x400f
	#define MDIO_84833_TOP_CFG_FW_EEE		0x10b1
	#define MDIO_84833_TOP_CFG_FW_NO_EEE		0x1f81
#define MDIO_84833_TOP_CFG_XGPHY_STRAP1 		0x401a
	#define MDIO_84833_SUPER_ISOLATE 		0x8000
/* These are mailbox register set used by 84833/84858. */
#define MDIO_848xx_TOP_CFG_SCRATCH_REG0			0x4005
#define MDIO_848xx_TOP_CFG_SCRATCH_REG1 		0x4006
#define MDIO_848xx_TOP_CFG_SCRATCH_REG2			0x4007
#define MDIO_848xx_TOP_CFG_SCRATCH_REG3			0x4008
#define MDIO_848xx_TOP_CFG_SCRATCH_REG4			0x4009
#define MDIO_848xx_TOP_CFG_SCRATCH_REG26		0x4037
#define MDIO_848xx_TOP_CFG_SCRATCH_REG27		0x4038
#define MDIO_848xx_TOP_CFG_SCRATCH_REG28		0x4039
#define MDIO_848xx_TOP_CFG_SCRATCH_REG29		0x403a
#define MDIO_848xx_TOP_CFG_SCRATCH_REG30		0x403b
#define MDIO_848xx_TOP_CFG_SCRATCH_REG31		0x403c
#define MDIO_848xx_CMD_HDLR_COMMAND	(MDIO_848xx_TOP_CFG_SCRATCH_REG0)
#define MDIO_848xx_CMD_HDLR_STATUS	(MDIO_848xx_TOP_CFG_SCRATCH_REG26)
#define MDIO_848xx_CMD_HDLR_DATA1	(MDIO_848xx_TOP_CFG_SCRATCH_REG27)
#define MDIO_848xx_CMD_HDLR_DATA2	(MDIO_848xx_TOP_CFG_SCRATCH_REG28)
#define MDIO_848xx_CMD_HDLR_DATA3	(MDIO_848xx_TOP_CFG_SCRATCH_REG29)
#define MDIO_848xx_CMD_HDLR_DATA4	(MDIO_848xx_TOP_CFG_SCRATCH_REG30)
#define MDIO_848xx_CMD_HDLR_DATA5	(MDIO_848xx_TOP_CFG_SCRATCH_REG31)

/* Mailbox command set used by 84833/84858 */
#define PHY848xx_CMD_SET_PAIR_SWAP			0x8001
#define PHY848xx_CMD_GET_EEE_MODE			0x8008
#define PHY848xx_CMD_SET_EEE_MODE			0x8009
#define PHY848xx_CMD_GET_CURRENT_TEMP			0x8031
/* Mailbox status set used by 84833 only */
#define PHY84833_STATUS_CMD_RECEIVED			0x0001
#define PHY84833_STATUS_CMD_IN_PROGRESS			0x0002
#define PHY84833_STATUS_CMD_COMPLETE_PASS		0x0004
#define PHY84833_STATUS_CMD_COMPLETE_ERROR		0x0008
#define PHY84833_STATUS_CMD_OPEN_FOR_CMDS		0x0010
#define PHY84833_STATUS_CMD_SYSTEM_BOOT			0x0020
#define PHY84833_STATUS_CMD_NOT_OPEN_FOR_CMDS		0x0040
#define PHY84833_STATUS_CMD_CLEAR_COMPLETE		0x0080
#define PHY84833_STATUS_CMD_OPEN_OVERRIDE		0xa5a5
/* Mailbox Process */
#define PHY84833_MB_PROCESS1				1
#define PHY84833_MB_PROCESS2				2
#define PHY84833_MB_PROCESS3				3


/* Mailbox status set used by 84858 only */
#define PHY84858_STATUS_CMD_RECEIVED			0x0001
#define PHY84858_STATUS_CMD_IN_PROGRESS			0x0002
#define PHY84858_STATUS_CMD_COMPLETE_PASS		0x0004
#define PHY84858_STATUS_CMD_COMPLETE_ERROR		0x0008
#define PHY84858_STATUS_CMD_SYSTEM_BUSY                 0xbbbb


/* Warpcore clause 45 addressing */
#define MDIO_WC_DEVAD					0x3
#define MDIO_WC_REG_IEEE0BLK_MIICNTL                    0x0
#define MDIO_WC_REG_IEEE0BLK_AUTONEGNP                  0x7
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0       0x10
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1       0x11
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2       0x12
	#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY	0x4000
	#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ		0x8000
#define MDIO_WC_REG_PCS_STATUS2				0x0021
#define MDIO_WC_REG_PMD_KR_CONTROL			0x0096
#define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL                0x8000
#define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1               0x800e
#define MDIO_WC_REG_XGXSBLK1_DESKEW                     0x8010
#define MDIO_WC_REG_XGXSBLK1_LANECTRL0                  0x8015
#define MDIO_WC_REG_XGXSBLK1_LANECTRL1                  0x8016
#define MDIO_WC_REG_XGXSBLK1_LANECTRL2                  0x8017
#define MDIO_WC_REG_XGXSBLK1_LANECTRL3                  0x8018
#define MDIO_WC_REG_XGXSBLK1_LANETEST0                  0x801a
#define MDIO_WC_REG_TX0_ANA_CTRL0			0x8061
#define MDIO_WC_REG_TX1_ANA_CTRL0			0x8071
#define MDIO_WC_REG_TX2_ANA_CTRL0			0x8081
#define MDIO_WC_REG_TX3_ANA_CTRL0			0x8091
#define MDIO_WC_REG_TX0_TX_DRIVER			0x8067
#define MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET			0x01
#define MDIO_WC_REG_TX0_TX_DRIVER_IFIR_MASK				0x000e
#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET		0x04
#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_MASK			0x00f0
#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET		0x08
#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_MASK				0x0f00
#define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET		0x0c
#define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_MASK			0x7000
#define MDIO_WC_REG_TX1_TX_DRIVER			0x8077
#define MDIO_WC_REG_TX2_TX_DRIVER			0x8087
#define MDIO_WC_REG_TX3_TX_DRIVER			0x8097
#define MDIO_WC_REG_RX0_ANARXCONTROL1G                  0x80b9
#define MDIO_WC_REG_RX2_ANARXCONTROL1G                  0x80d9
#define MDIO_WC_REG_RX0_PCI_CTRL			0x80ba
#define MDIO_WC_REG_RX1_PCI_CTRL			0x80ca
#define MDIO_WC_REG_RX2_PCI_CTRL			0x80da
#define MDIO_WC_REG_RX3_PCI_CTRL			0x80ea
#define MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI		0x80fa
#define MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G 		0x8104
#define MDIO_WC_REG_XGXSBLK2_LANE_RESET 		0x810a
#define MDIO_WC_REG_XGXS_STATUS3			0x8129
#define MDIO_WC_REG_PAR_DET_10G_STATUS			0x8130
#define MDIO_WC_REG_PAR_DET_10G_CTRL			0x8131
#define MDIO_WC_REG_XGXS_STATUS4                        0x813c
#define MDIO_WC_REG_XGXS_X2_CONTROL2 		        0x8141
#define MDIO_WC_REG_XGXS_X2_CONTROL3 		        0x8142
#define MDIO_WC_REG_XGXS_RX_LN_SWAP1		      	0x816B
#define MDIO_WC_REG_XGXS_TX_LN_SWAP1		      	0x8169
#define MDIO_WC_REG_GP2_STATUS_GP_2_0			0x81d0
#define MDIO_WC_REG_GP2_STATUS_GP_2_1			0x81d1
#define MDIO_WC_REG_GP2_STATUS_GP_2_2			0x81d2
#define MDIO_WC_REG_GP2_STATUS_GP_2_3			0x81d3
#define MDIO_WC_REG_GP2_STATUS_GP_2_4			0x81d4
	#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL 0x1000
	#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CMPL 0x0100
	#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP 0x0010
	#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CAP 0x1
#define MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP                0x81EE
#define MDIO_WC_REG_UC_INFO_B1_VERSION                  0x81F0
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE		0x81F2
	#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE0_OFFSET	0x0
		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT        0x0
		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_OPT_LR     0x1
		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC        0x2
		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_XLAUI      0x3
		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_LONG_CH_6G     0x4
	#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE1_OFFSET	0x4
	#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE2_OFFSET	0x8
	#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE3_OFFSET	0xc
#define MDIO_WC_REG_UC_INFO_B1_CRC                      0x81FE
#define MDIO_WC_REG_DSC1B0_UC_CTRL				0x820e
	#define MDIO_WC_REG_DSC1B0_UC_CTRL_RDY4CMD			(1<<7)
#define MDIO_WC_REG_DSC_SMC				0x8213
#define MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0		0x821e
#define MDIO_WC_REG_TX_FIR_TAP				0x82e2
	#define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET		0x00
	#define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_MASK			0x000f
	#define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET		0x04
	#define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_MASK		0x03f0
	#define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET		0x0a
	#define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_MASK		0x7c00
	#define MDIO_WC_REG_TX_FIR_TAP_ENABLE		0x8000
#define MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP		0x82e2
#define MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL      0x82e3
#define MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL	0x82e6
#define MDIO_WC_REG_CL72_USERB0_CL72_BR_DEF_CTRL	0x82e7
#define MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL	0x82e8
#define MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL      0x82ec
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1         0x8300
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2         0x8301
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3         0x8302
#define MDIO_WC_REG_SERDESDIGITAL_STATUS1000X1          0x8304
#define MDIO_WC_REG_SERDESDIGITAL_MISC1                 0x8308
#define MDIO_WC_REG_SERDESDIGITAL_MISC2                 0x8309
#define MDIO_WC_REG_DIGITAL3_UP1                        0x8329
#define MDIO_WC_REG_DIGITAL3_LP_UP1                     0x832c
#define MDIO_WC_REG_DIGITAL4_MISC3                      0x833c
#define MDIO_WC_REG_DIGITAL4_MISC5                      0x833e
#define MDIO_WC_REG_DIGITAL5_MISC6                      0x8345
#define MDIO_WC_REG_DIGITAL5_MISC7                      0x8349
#define MDIO_WC_REG_DIGITAL5_LINK_STATUS		0x834d
#define MDIO_WC_REG_DIGITAL5_ACTUAL_SPEED               0x834e
#define MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL           0x8350
#define MDIO_WC_REG_CL49_USERB0_CTRL	                0x8368
#define MDIO_WC_REG_CL73_USERB0_CTRL                    0x8370
#define MDIO_WC_REG_CL73_USERB0_USTAT                   0x8371
#define MDIO_WC_REG_CL73_BAM_CTRL1			0x8372
#define MDIO_WC_REG_CL73_BAM_CTRL2			0x8373
#define MDIO_WC_REG_CL73_BAM_CTRL3			0x8374
#define MDIO_WC_REG_CL73_BAM_CODE_FIELD			0x837b
#define MDIO_WC_REG_EEE_COMBO_CONTROL0                  0x8390
#define MDIO_WC_REG_TX66_CONTROL                        0x83b0
#define MDIO_WC_REG_RX66_CONTROL                        0x83c0
#define MDIO_WC_REG_RX66_SCW0                           0x83c2
#define MDIO_WC_REG_RX66_SCW1                           0x83c3
#define MDIO_WC_REG_RX66_SCW2                           0x83c4
#define MDIO_WC_REG_RX66_SCW3                           0x83c5
#define MDIO_WC_REG_RX66_SCW0_MASK                      0x83c6
#define MDIO_WC_REG_RX66_SCW1_MASK                      0x83c7
#define MDIO_WC_REG_RX66_SCW2_MASK                      0x83c8
#define MDIO_WC_REG_RX66_SCW3_MASK                      0x83c9
#define MDIO_WC_REG_FX100_CTRL1				0x8400
#define MDIO_WC_REG_FX100_CTRL3				0x8402
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL5		0x8436
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL6		0x8437
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL7		0x8438
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL9		0x8439
#define MDIO_WC_REG_CL82_USERB1_RX_CTRL10		0x843a
#define MDIO_WC_REG_CL82_USERB1_RX_CTRL11		0x843b
#define MDIO_WC_REG_ETA_CL73_OUI1			0x8453
#define MDIO_WC_REG_ETA_CL73_OUI2			0x8454
#define MDIO_WC_REG_ETA_CL73_OUI3			0x8455
#define MDIO_WC_REG_ETA_CL73_LD_BAM_CODE		0x8456
#define MDIO_WC_REG_ETA_CL73_LD_UD_CODE			0x8457
#define MDIO_WC_REG_MICROBLK_CMD                        0xffc2
#define MDIO_WC_REG_MICROBLK_DL_STATUS                  0xffc5
#define MDIO_WC_REG_MICROBLK_CMD3                       0xffcc

#define MDIO_WC_REG_AERBLK_AER                          0xffde
#define MDIO_WC_REG_COMBO_IEEE0_MIICTRL			0xffe0
#define MDIO_WC_REG_COMBO_IEEE0_MIIISTAT                0xffe1

#define MDIO_WC0_XGXS_BLK2_LANE_RESET                   0x810A
	#define MDIO_WC0_XGXS_BLK2_LANE_RESET_RX_BITSHIFT 	0
	#define MDIO_WC0_XGXS_BLK2_LANE_RESET_TX_BITSHIFT 	4

#define MDIO_WC0_XGXS_BLK6_XGXS_X2_CONTROL2             0x8141

#define DIGITAL5_ACTUAL_SPEED_TX_MASK                   0x003f

/* 54618se */
#define MDIO_REG_GPHY_MII_STATUS			0x1
#define MDIO_REG_GPHY_PHYID_LSB				0x3
#define MDIO_REG_GPHY_CL45_ADDR_REG			0xd
	#define MDIO_REG_GPHY_CL45_REG_WRITE		0x4000
	#define MDIO_REG_GPHY_CL45_REG_READ		0xc000
#define MDIO_REG_GPHY_CL45_DATA_REG			0xe
	#define MDIO_REG_GPHY_EEE_RESOLVED		0x803e
#define MDIO_REG_GPHY_EXP_ACCESS_GATE			0x15
#define MDIO_REG_GPHY_EXP_ACCESS			0x17
	#define MDIO_REG_GPHY_EXP_ACCESS_TOP		0xd00
	#define MDIO_REG_GPHY_EXP_TOP_2K_BUF		0x40
#define MDIO_REG_GPHY_AUX_STATUS			0x19
#define MDIO_REG_INTR_STATUS				0x1a
#define MDIO_REG_INTR_MASK				0x1b
	#define MDIO_REG_INTR_MASK_LINK_STATUS			(0x1 << 1)
#define MDIO_REG_GPHY_SHADOW				0x1c
	#define MDIO_REG_GPHY_SHADOW_LED_SEL1			(0x0d << 10)
	#define MDIO_REG_GPHY_SHADOW_LED_SEL2			(0x0e << 10)
	#define MDIO_REG_GPHY_SHADOW_WR_ENA			(0x1 << 15)
	#define MDIO_REG_GPHY_SHADOW_AUTO_DET_MED		(0x1e << 10)
	#define MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD		(0x1 << 8)


typedef elink_status_t (*read_sfp_module_eeprom_func_p)(struct elink_phy *phy,
					     struct elink_params *params,
					     uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
					     uint8_t *o_buf, uint8_t);
/********************************************************/
#define ELINK_ETH_HLEN			14
/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
#define ELINK_ETH_OVREHEAD			(ELINK_ETH_HLEN + 8 + 8)
#define ELINK_ETH_MIN_PACKET_SIZE		60
#define ELINK_ETH_MAX_PACKET_SIZE		1500
#define ELINK_ETH_MAX_JUMBO_PACKET_SIZE	9600
#define ELINK_MDIO_ACCESS_TIMEOUT		1000
#define WC_LANE_MAX			4
#define I2C_SWITCH_WIDTH		2
#define I2C_BSC0			0
#define I2C_BSC1			1
#define I2C_WA_RETRY_CNT		3
#define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
#define MCPR_IMC_COMMAND_READ_OP	1
#define MCPR_IMC_COMMAND_WRITE_OP	2

/* LED Blink rate that will achieve ~15.9Hz */
#define LED_BLINK_RATE_VAL_E3		354
#define LED_BLINK_RATE_VAL_E1X_E2	480
/***********************************************************/
/*			Shortcut definitions		   */
/***********************************************************/

#define ELINK_NIG_LATCH_BC_ENABLE_MI_INT 0

#define ELINK_NIG_STATUS_EMAC0_MI_INT \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
#define ELINK_NIG_STATUS_XGXS0_LINK10G \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
#define ELINK_NIG_STATUS_XGXS0_LINK_STATUS \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
#define ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
#define ELINK_NIG_STATUS_SERDES0_LINK_STATUS \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
#define ELINK_NIG_MASK_MI_INT \
		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
#define ELINK_NIG_MASK_XGXS0_LINK10G \
		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
#define ELINK_NIG_MASK_XGXS0_LINK_STATUS \
		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
#define ELINK_NIG_MASK_SERDES0_LINK_STATUS \
		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS

#define ELINK_MDIO_AN_CL73_OR_37_COMPLETE \
		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)

#define ELINK_XGXS_RESET_BITS \
	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)

#define ELINK_SERDES_RESET_BITS \
	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)

#define ELINK_AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
#define ELINK_AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
#define ELINK_AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
#define ELINK_AUTONEG_PARALLEL \
				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
#define ELINK_AUTONEG_SGMII_FIBER_AUTODET \
				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
#define ELINK_AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY

#define ELINK_GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
#define ELINK_GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
#define ELINK_GP_STATUS_SPEED_MASK \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
#define ELINK_GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
#define ELINK_GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
#define ELINK_GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
#define ELINK_GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
#define ELINK_GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
#define ELINK_GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
#define ELINK_GP_STATUS_10G_HIG \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
#define ELINK_GP_STATUS_10G_CX4 \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
#define ELINK_GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
#define ELINK_GP_STATUS_10G_KX4 \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
#define	ELINK_GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
#define	ELINK_GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
#define	ELINK_GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
#define	ELINK_GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
#define	ELINK_GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
#define ELINK_LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
#define ELINK_LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
#define ELINK_LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
#define ELINK_LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
#define ELINK_LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
#define ELINK_LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
#define ELINK_LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
#define ELINK_LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
#define ELINK_LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
#define ELINK_LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
#define ELINK_LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
#define ELINK_LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
#define ELINK_LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
#define ELINK_LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
#define ELINK_LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD

#define ELINK_LINK_UPDATE_MASK \
			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
			 LINK_STATUS_LINK_UP | \
			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)

#define ELINK_SFP_EEPROM_CON_TYPE_ADDR		0x2
	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN	0x0
	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_SC	0x1
	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_LC	0x7
	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22


#define ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR		0x3
	#define ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK	(1<<4)
	#define ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK	(1<<5)
	#define ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK	(1<<6)

#define ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR		0x6
	#define ELINK_SFP_EEPROM_1G_COMP_CODE_SX	(1<<0)
	#define ELINK_SFP_EEPROM_1G_COMP_CODE_LX	(1<<1)
	#define ELINK_SFP_EEPROM_1G_COMP_CODE_CX	(1<<2)
	#define ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T	(1<<3)

#define ELINK_SFP_EEPROM_FC_TX_TECH_ADDR		0x8
	#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
	#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8

#define ELINK_SFP_EEPROM_OPTIONS_ADDR			0x40
	#define ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
#define ELINK_SFP_EEPROM_OPTIONS_SIZE			2

#define ELINK_EDC_MODE_LINEAR				0x0022
#define ELINK_EDC_MODE_LIMITING				0x0044
#define ELINK_EDC_MODE_PASSIVE_DAC			0x0055
#define ELINK_EDC_MODE_ACTIVE_DAC			0x0066

/* ETS defines*/
#define DCBX_INVALID_COS					(0xFF)

#define ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
#define ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
#define ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
#define ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
#define ELINK_ETS_E3B0_PBF_MIN_W_VAL				(10000)

#define ELINK_MAX_PACKET_SIZE					(9700)
#define MAX_KR_LINK_RETRY				4
#define DEFAULT_TX_DRV_BRDCT		2
#define DEFAULT_TX_DRV_IFIR		0
#define DEFAULT_TX_DRV_POST2		3
#define DEFAULT_TX_DRV_IPRE_DRIVER	6

/**********************************************************/
/*                     INTERFACE                          */
/**********************************************************/

#define CL22_WR_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
	elink_cl45_write(_sc, _phy, \
		(_phy)->def_md_devad, \
		(_bank + (_addr & 0xf)), \
		_val)

#define CL22_RD_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
	elink_cl45_read(_sc, _phy, \
		(_phy)->def_md_devad, \
		(_bank + (_addr & 0xf)), \
		_val)

static elink_status_t elink_check_half_open_conn(struct elink_params *params,
				      struct elink_vars *vars, uint8_t notify);
static elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
				      struct elink_params *params);

static uint32_t elink_bits_en(struct bxe_softc *sc, uint32_t reg, uint32_t bits)
{
	uint32_t val = REG_RD(sc, reg);

	val |= bits;
	REG_WR(sc, reg, val);
	return val;
}

static uint32_t elink_bits_dis(struct bxe_softc *sc, uint32_t reg, uint32_t bits)
{
	uint32_t val = REG_RD(sc, reg);

	val &= ~bits;
	REG_WR(sc, reg, val);
	return val;
}

/*
 * elink_check_lfa - This function checks if link reinitialization is required,
 *                   or link flap can be avoided.
 *
 * @params:	link parameters
 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
 *         condition code.
 */
static int elink_check_lfa(struct elink_params *params)
{
	uint32_t link_status, cfg_idx, lfa_mask, cfg_size;
	uint32_t cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
	uint32_t saved_val, req_val, eee_status;
	struct bxe_softc *sc = params->sc;

	additional_config =
		REG_RD(sc, params->lfa_base +
			   offsetof(struct shmem_lfa, additional_config));

	/* NOTE: must be first condition checked -
	* to verify DCC bit is cleared in any case!
	*/
	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
		ELINK_DEBUG_P0(sc, "No LFA due to DCC flap after clp exit\n");
		REG_WR(sc, params->lfa_base +
			   offsetof(struct shmem_lfa, additional_config),
		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
		return LFA_DCC_LFA_DISABLED;
	}

	/* Verify that link is up */
	link_status = REG_RD(sc, params->shmem_base +
			     offsetof(struct shmem_region,
				      port_mb[params->port].link_status));
	if (!(link_status & LINK_STATUS_LINK_UP))
		return LFA_LINK_DOWN;

	/* if loaded after BOOT from SAN, don't flap the link in any case and
	 * rely on link set by preboot driver
	 */
	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BOOT_FROM_SAN)
		return 0;

	/* Verify that loopback mode is not set */
	if (params->loopback_mode)
		return LFA_LOOPBACK_ENABLED;

	/* Verify that MFW supports LFA */
	if (!params->lfa_base)
		return LFA_MFW_IS_TOO_OLD;

	if (params->num_phys == 3) {
		cfg_size = 2;
		lfa_mask = 0xffffffff;
	} else {
		cfg_size = 1;
		lfa_mask = 0xffff;
	}

	/* Compare Duplex */
	saved_val = REG_RD(sc, params->lfa_base +
			   offsetof(struct shmem_lfa, req_duplex));
	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
		ELINK_DEBUG_P2(sc, "Duplex mismatch %x vs. %x\n",
			       (saved_val & lfa_mask), (req_val & lfa_mask));
		return LFA_DUPLEX_MISMATCH;
	}
	/* Compare Flow Control */
	saved_val = REG_RD(sc, params->lfa_base +
			   offsetof(struct shmem_lfa, req_flow_ctrl));
	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
		ELINK_DEBUG_P2(sc, "Flow control mismatch %x vs. %x\n",
			       (saved_val & lfa_mask), (req_val & lfa_mask));
		return LFA_FLOW_CTRL_MISMATCH;
	}
	/* Compare Link Speed */
	saved_val = REG_RD(sc, params->lfa_base +
			   offsetof(struct shmem_lfa, req_line_speed));
	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
		ELINK_DEBUG_P2(sc, "Link speed mismatch %x vs. %x\n",
			       (saved_val & lfa_mask), (req_val & lfa_mask));
		return LFA_LINK_SPEED_MISMATCH;
	}

	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
		cur_speed_cap_mask = REG_RD(sc, params->lfa_base +
					    offsetof(struct shmem_lfa,
						     speed_cap_mask[cfg_idx]));

		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
			ELINK_DEBUG_P2(sc, "Speed Cap mismatch %x vs. %x\n",
				       cur_speed_cap_mask,
				       params->speed_cap_mask[cfg_idx]);
			return LFA_SPEED_CAP_MISMATCH;
		}
	}

	cur_req_fc_auto_adv =
		REG_RD(sc, params->lfa_base +
		       offsetof(struct shmem_lfa, additional_config)) &
		REQ_FC_AUTO_ADV_MASK;

	if ((uint16_t)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
		ELINK_DEBUG_P2(sc, "Flow Ctrl AN mismatch %x vs. %x\n",
			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
		return LFA_FLOW_CTRL_MISMATCH;
	}

	eee_status = REG_RD(sc, params->shmem2_base +
			    offsetof(struct shmem2_region,
				     eee_status[params->port]));

	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
	     (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)) ||
	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
	     (params->eee_mode & ELINK_EEE_MODE_ADV_LPI))) {
		ELINK_DEBUG_P2(sc, "EEE mismatch %x vs. %x\n", params->eee_mode,
			       eee_status);
		return LFA_EEE_MISMATCH;
	}

	/* LFA conditions are met */
	return 0;
}
/******************************************************************/
/*			EPIO/GPIO section			  */
/******************************************************************/
static void elink_get_epio(struct bxe_softc *sc, uint32_t epio_pin, uint32_t *en)
{
	uint32_t epio_mask, gp_oenable;
	*en = 0;
	/* Sanity check */
	if (epio_pin > 31) {
		ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to get\n", epio_pin);
		return;
	}

	epio_mask = 1 << epio_pin;
	/* Set this EPIO to output */
	gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
	REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);

	*en = (REG_RD(sc, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
}
static void elink_set_epio(struct bxe_softc *sc, uint32_t epio_pin, uint32_t en)
{
	uint32_t epio_mask, gp_output, gp_oenable;

	/* Sanity check */
	if (epio_pin > 31) {
		ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to set\n", epio_pin);
		return;
	}
	ELINK_DEBUG_P2(sc, "Setting EPIO pin %d to %d\n", epio_pin, en);
	epio_mask = 1 << epio_pin;
	/* Set this EPIO to output */
	gp_output = REG_RD(sc, MCP_REG_MCPR_GP_OUTPUTS);
	if (en)
		gp_output |= epio_mask;
	else
		gp_output &= ~epio_mask;

	REG_WR(sc, MCP_REG_MCPR_GP_OUTPUTS, gp_output);

	/* Set the value for this EPIO */
	gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
	REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
}

static void elink_set_cfg_pin(struct bxe_softc *sc, uint32_t pin_cfg, uint32_t val)
{
	if (pin_cfg == PIN_CFG_NA)
		return;
	if (pin_cfg >= PIN_CFG_EPIO0) {
		elink_set_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
	} else {
		uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
		uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
		elink_cb_gpio_write(sc, gpio_num, (uint8_t)val, gpio_port);
	}
}

static uint32_t elink_get_cfg_pin(struct bxe_softc *sc, uint32_t pin_cfg, uint32_t *val)
{
	if (pin_cfg == PIN_CFG_NA)
		return ELINK_STATUS_ERROR;
	if (pin_cfg >= PIN_CFG_EPIO0) {
		elink_get_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
	} else {
		uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
		uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
		*val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
	}
	return ELINK_STATUS_OK;

}
/******************************************************************/
/*				ETS section			  */
/******************************************************************/
static void elink_ets_e2e3a0_disabled(struct elink_params *params)
{
	/* ETS disabled configuration*/
	struct bxe_softc *sc = params->sc;

	ELINK_DEBUG_P0(sc, "ETS E2E3 disabled configuration\n");

	/* mapping between entry  priority to client number (0,1,2 -debug and
	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
	 * 3bits client num.
	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
	 */

	REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
	 * COS0 entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2   bit1	  bit0
	 * MCP and debug are strict
	 */

	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
	/* defines which entries (clients) are subjected to WFQ arbitration */
	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
	/* For strict priority entries defines the number of consecutive
	 * slots for the highest priority.
	 */
	REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
	/* mapping between the CREDIT_WEIGHT registers and actual client
	 * numbers
	 */
	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);

	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
	REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
	/* ETS mode disable */
	REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
	 * weight for COS0/COS1.
	 */
	REG_WR(sc, PBF_REG_COS0_WEIGHT, 0x2710);
	REG_WR(sc, PBF_REG_COS1_WEIGHT, 0x2710);
	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
	REG_WR(sc, PBF_REG_COS0_UPPER_BOUND, 0x989680);
	REG_WR(sc, PBF_REG_COS1_UPPER_BOUND, 0x989680);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
}
/******************************************************************************
* Description:
*	Getting min_w_val will be set according to line speed .
*.
******************************************************************************/
static uint32_t elink_ets_get_min_w_val_nig(const struct elink_vars *vars)
{
	uint32_t min_w_val = 0;
	/* Calculate min_w_val.*/
	if (vars->link_up) {
		if (vars->line_speed == ELINK_SPEED_20000)
			min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
		else
			min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
	} else
		min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
	/* If the link isn't up (static configuration for example ) The
	 * link will be according to 20GBPS.
	 */
	return min_w_val;
}
/******************************************************************************
* Description:
*	Getting credit upper bound form min_w_val.
*.
******************************************************************************/
static uint32_t elink_ets_get_credit_upper_bound(const uint32_t min_w_val)
{
	const uint32_t credit_upper_bound = (uint32_t)ELINK_MAXVAL((150 * min_w_val),
						ELINK_MAX_PACKET_SIZE);
	return credit_upper_bound;
}
/******************************************************************************
* Description:
*	Set credit upper bound for NIG.
*.
******************************************************************************/
static void elink_ets_e3b0_set_credit_upper_bound_nig(
	const struct elink_params *params,
	const uint32_t min_w_val)
{
	struct bxe_softc *sc = params->sc;
	const uint8_t port = params->port;
	const uint32_t credit_upper_bound =
	    elink_ets_get_credit_upper_bound(min_w_val);

	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);

	if (!port) {
		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
			credit_upper_bound);
		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
			credit_upper_bound);
		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
			credit_upper_bound);
	}
}
/******************************************************************************
* Description:
*	Will return the NIG ETS registers to init values.Except
*	credit_upper_bound.
*	That isn't used in this configuration (No WFQ is enabled) and will be
*	configured according to spec.
*.
******************************************************************************/
static void elink_ets_e3b0_nig_disabled(const struct elink_params *params,
					const struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	const uint8_t port = params->port;
	const uint32_t min_w_val = elink_ets_get_min_w_val_nig(vars);
	/* Mapping between entry  priority to client number (0,1,2 -debug and
	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
	 * reset value or init tool
	 */
	if (port) {
		REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
		REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
	} else {
		REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
		REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
	}
	/* For strict priority entries defines the number of consecutive
	 * slots for the highest priority.
	 */
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
	/* Mapping between the CREDIT_WEIGHT registers and actual client
	 * numbers
	 */
	if (port) {
		/*Port 1 has 6 COS*/
		REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
		REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
	} else {
		/*Port 0 has 9 COS*/
		REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
		       0x43210876);
		REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
	}

	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
	 * COS0 entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2   bit1	  bit0
	 * MCP and debug are strict
	 */
	if (port)
		REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
	else
		REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
	/* defines which entries (clients) are subjected to WFQ arbitration */
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);

	/* Please notice the register address are note continuous and a
	 * for here is note appropriate.In 2 port mode port0 only COS0-5
	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
	 * are never used for WFQ
	 */
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
	if (!port) {
		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
	}

	elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
}
/******************************************************************************
* Description:
*	Set credit upper bound for PBF.
*.
******************************************************************************/
static void elink_ets_e3b0_set_credit_upper_bound_pbf(
	const struct elink_params *params,
	const uint32_t min_w_val)
{
	struct bxe_softc *sc = params->sc;
	const uint32_t credit_upper_bound =
	    elink_ets_get_credit_upper_bound(min_w_val);
	const uint8_t port = params->port;
	uint32_t base_upper_bound = 0;
	uint8_t max_cos = 0;
	uint8_t i = 0;
	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
	 * port mode port1 has COS0-2 that can be used for WFQ.
	 */
	if (!port) {
		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
	} else {
		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
	}

	for (i = 0; i < max_cos; i++)
		REG_WR(sc, base_upper_bound + (i << 2), credit_upper_bound);
}

/******************************************************************************
* Description:
*	Will return the PBF ETS registers to init values.Except
*	credit_upper_bound.
*	That isn't used in this configuration (No WFQ is enabled) and will be
*	configured according to spec.
*.
******************************************************************************/
static void elink_ets_e3b0_pbf_disabled(const struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	const uint8_t port = params->port;
	const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
	uint8_t i = 0;
	uint32_t base_weight = 0;
	uint8_t max_cos = 0;

	/* Mapping between entry  priority to client number 0 - COS0
	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
	 * TODO_ETS - Should be done by reset value or init tool
	 */
	if (port)
		/*  0x688 (|011|0 10|00 1|000) */
		REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
	else
		/*  (10 1|100 |011|0 10|00 1|000) */
		REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);

	/* TODO_ETS - Should be done by reset value or init tool */
	if (port)
		/* 0x688 (|011|0 10|00 1|000)*/
		REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
	else
	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
	REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);

	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);


	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);

	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
	 */
	if (!port) {
		base_weight = PBF_REG_COS0_WEIGHT_P0;
		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
	} else {
		base_weight = PBF_REG_COS0_WEIGHT_P1;
		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
	}

	for (i = 0; i < max_cos; i++)
		REG_WR(sc, base_weight + (0x4 * i), 0);

	elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
}
/******************************************************************************
* Description:
*	E3B0 disable will return basically the values to init values.
*.
******************************************************************************/
static elink_status_t elink_ets_e3b0_disabled(const struct elink_params *params,
				   const struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;

	if (!CHIP_IS_E3B0(sc)) {
		ELINK_DEBUG_P0(sc,
		   "elink_ets_e3b0_disabled the chip isn't E3B0\n");
		return ELINK_STATUS_ERROR;
	}

	elink_ets_e3b0_nig_disabled(params, vars);

	elink_ets_e3b0_pbf_disabled(params);

	return ELINK_STATUS_OK;
}

/******************************************************************************
* Description:
*	Disable will return basically the values to init values.
*
******************************************************************************/
elink_status_t elink_ets_disabled(struct elink_params *params,
		      struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	elink_status_t elink_status = ELINK_STATUS_OK;

	if ((CHIP_IS_E2(sc)) || (CHIP_IS_E3A0(sc)))
		elink_ets_e2e3a0_disabled(params);
	else if (CHIP_IS_E3B0(sc))
		elink_status = elink_ets_e3b0_disabled(params, vars);
	else {
		ELINK_DEBUG_P0(sc, "elink_ets_disabled - chip not supported\n");
		return ELINK_STATUS_ERROR;
	}

	return elink_status;
}

/******************************************************************************
* Description
*	Set the COS mappimg to SP and BW until this point all the COS are not
*	set as SP or BW.
******************************************************************************/
static elink_status_t elink_ets_e3b0_cli_map(const struct elink_params *params,
				  const struct elink_ets_params *ets_params,
				  const uint8_t cos_sp_bitmap,
				  const uint8_t cos_bw_bitmap)
{
	struct bxe_softc *sc = params->sc;
	const uint8_t port = params->port;
	const uint8_t nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
	const uint8_t pbf_cli_sp_bitmap = cos_sp_bitmap;
	const uint8_t nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
	const uint8_t pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;

	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);

	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);

	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
	       nig_cli_subject2wfq_bitmap);

	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
	       pbf_cli_subject2wfq_bitmap);

	return ELINK_STATUS_OK;
}

/******************************************************************************
* Description:
*	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
*	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
******************************************************************************/
static elink_status_t elink_ets_e3b0_set_cos_bw(struct bxe_softc *sc,
				     const uint8_t cos_entry,
				     const uint32_t min_w_val_nig,
				     const uint32_t min_w_val_pbf,
				     const uint16_t total_bw,
				     const uint8_t bw,
				     const uint8_t port)
{
	uint32_t nig_reg_adress_crd_weight = 0;
	uint32_t pbf_reg_adress_crd_weight = 0;
	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
	const uint32_t cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
	const uint32_t cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;

	switch (cos_entry) {
	case 0:
	    nig_reg_adress_crd_weight =
		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
	     pbf_reg_adress_crd_weight = (port) ?
		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
	     break;
	case 1:
	     nig_reg_adress_crd_weight = (port) ?
		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
	     pbf_reg_adress_crd_weight = (port) ?
		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
	     break;
	case 2:
	     nig_reg_adress_crd_weight = (port) ?
		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;

		 pbf_reg_adress_crd_weight = (port) ?
		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
	     break;
	case 3:
	    if (port)
			return ELINK_STATUS_ERROR;
	     nig_reg_adress_crd_weight =
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
	     pbf_reg_adress_crd_weight =
		 PBF_REG_COS3_WEIGHT_P0;
	     break;
	case 4:
	    if (port)
		return ELINK_STATUS_ERROR;
	     nig_reg_adress_crd_weight =
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
	     break;
	case 5:
	    if (port)
		return ELINK_STATUS_ERROR;
	     nig_reg_adress_crd_weight =
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
	     break;
	}

	REG_WR(sc, nig_reg_adress_crd_weight, cos_bw_nig);

	REG_WR(sc, pbf_reg_adress_crd_weight, cos_bw_pbf);

	return ELINK_STATUS_OK;
}
/******************************************************************************
* Description:
*	Calculate the total BW.A value of 0 isn't legal.
*
******************************************************************************/
static elink_status_t elink_ets_e3b0_get_total_bw(
	const struct elink_params *params,
	struct elink_ets_params *ets_params,
	uint16_t *total_bw)
{
	struct bxe_softc *sc = params->sc;
	uint8_t cos_idx = 0;
	uint8_t is_bw_cos_exist = 0;

	*total_bw = 0 ;
	/* Calculate total BW requested */
	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
		if (ets_params->cos[cos_idx].state == elink_cos_state_bw) {
			is_bw_cos_exist = 1;
			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
				ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config BW"
						   "was set to 0\n");
				/* This is to prevent a state when ramrods
				 * can't be sent
				 */
				ets_params->cos[cos_idx].params.bw_params.bw
					 = 1;
			}
			*total_bw +=
				ets_params->cos[cos_idx].params.bw_params.bw;
		}
	}

	/* Check total BW is valid */
	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
		if (*total_bw == 0) {
			ELINK_DEBUG_P0(sc,
			   "elink_ets_E3B0_config total BW shouldn't be 0\n");
			return ELINK_STATUS_ERROR;
		}
		ELINK_DEBUG_P0(sc,
		   "elink_ets_E3B0_config total BW should be 100\n");
		/* We can handle a case whre the BW isn't 100 this can happen
		 * if the TC are joined.
		 */
	}
	return ELINK_STATUS_OK;
}

/******************************************************************************
* Description:
*	Invalidate all the sp_pri_to_cos.
*
******************************************************************************/
static void elink_ets_e3b0_sp_pri_to_cos_init(uint8_t *sp_pri_to_cos)
{
	uint8_t pri = 0;
	for (pri = 0; pri < ELINK_DCBX_MAX_NUM_COS; pri++)
		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
}
/******************************************************************************
* Description:
*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
*	according to sp_pri_to_cos.
*
******************************************************************************/
static elink_status_t elink_ets_e3b0_sp_pri_to_cos_set(const struct elink_params *params,
					    uint8_t *sp_pri_to_cos, const uint8_t pri,
					    const uint8_t cos_entry)
{
	struct bxe_softc *sc = params->sc;
	const uint8_t port = params->port;
	const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;

	if (pri >= max_num_of_cos) {
		ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
		   "parameter Illegal strict priority\n");
	    return ELINK_STATUS_ERROR;
	}

	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
		ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
				   "parameter There can't be two COS's with "
				   "the same strict pri\n");
		return ELINK_STATUS_ERROR;
	}

	sp_pri_to_cos[pri] = cos_entry;
	return ELINK_STATUS_OK;

}

/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in
*	the sp_pri_cli register.
*
******************************************************************************/
static uint64_t elink_e3b0_sp_get_pri_cli_reg(const uint8_t cos, const uint8_t cos_offset,
					 const uint8_t pri_set,
					 const uint8_t pri_offset,
					 const uint8_t entry_size)
{
	uint64_t pri_cli_nig = 0;
	pri_cli_nig = ((uint64_t)(cos + cos_offset)) << (entry_size *
						    (pri_set + pri_offset));

	return pri_cli_nig;
}
/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in the
*	sp_pri_cli register for NIG.
*
******************************************************************************/
static uint64_t elink_e3b0_sp_get_pri_cli_reg_nig(const uint8_t cos, const uint8_t pri_set)
{
	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
	const uint8_t nig_cos_offset = 3;
	const uint8_t nig_pri_offset = 3;

	return elink_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
		nig_pri_offset, 4);

}
/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in the
*	sp_pri_cli register for PBF.
*
******************************************************************************/
static uint64_t elink_e3b0_sp_get_pri_cli_reg_pbf(const uint8_t cos, const uint8_t pri_set)
{
	const uint8_t pbf_cos_offset = 0;
	const uint8_t pbf_pri_offset = 0;

	return elink_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
		pbf_pri_offset, 3);

}

/******************************************************************************
* Description:
*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
*	according to sp_pri_to_cos.(which COS has higher priority)
*
******************************************************************************/
static elink_status_t elink_ets_e3b0_sp_set_pri_cli_reg(const struct elink_params *params,
					     uint8_t *sp_pri_to_cos)
{
	struct bxe_softc *sc = params->sc;
	uint8_t i = 0;
	const uint8_t port = params->port;
	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
	uint64_t pri_cli_nig = 0x210;
	uint32_t pri_cli_pbf = 0x0;
	uint8_t pri_set = 0;
	uint8_t pri_bitmask = 0;
	const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;

	uint8_t cos_bit_to_set = (1 << max_num_of_cos) - 1;

	/* Set all the strict priority first */
	for (i = 0; i < max_num_of_cos; i++) {
		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
			if (sp_pri_to_cos[i] >= ELINK_DCBX_MAX_NUM_COS) {
				ELINK_DEBUG_P0(sc,
					   "elink_ets_e3b0_sp_set_pri_cli_reg "
					   "invalid cos entry\n");
				return ELINK_STATUS_ERROR;
			}

			pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
			    sp_pri_to_cos[i], pri_set);

			pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
			    sp_pri_to_cos[i], pri_set);
			pri_bitmask = 1 << sp_pri_to_cos[i];
			/* COS is used remove it from bitmap.*/
			if (!(pri_bitmask & cos_bit_to_set)) {
				ELINK_DEBUG_P0(sc,
					"elink_ets_e3b0_sp_set_pri_cli_reg "
					"invalid There can't be two COS's with"
					" the same strict pri\n");
				return ELINK_STATUS_ERROR;
			}
			cos_bit_to_set &= ~pri_bitmask;
			pri_set++;
		}
	}

	/* Set all the Non strict priority i= COS*/
	for (i = 0; i < max_num_of_cos; i++) {
		pri_bitmask = 1 << i;
		/* Check if COS was already used for SP */
		if (pri_bitmask & cos_bit_to_set) {
			/* COS wasn't used for SP */
			pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
			    i, pri_set);

			pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
			    i, pri_set);
			/* COS is used remove it from bitmap.*/
			cos_bit_to_set &= ~pri_bitmask;
			pri_set++;
		}
	}

	if (pri_set != max_num_of_cos) {
		ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_set_pri_cli_reg not all "
				   "entries were set\n");
		return ELINK_STATUS_ERROR;
	}

	if (port) {
		/* Only 6 usable clients*/
		REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
		       (uint32_t)pri_cli_nig);

		REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
	} else {
		/* Only 9 usable clients*/
		const uint32_t pri_cli_nig_lsb = (uint32_t) (pri_cli_nig);
		const uint32_t pri_cli_nig_msb = (uint32_t) ((pri_cli_nig >> 32) & 0xF);

		REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
		       pri_cli_nig_lsb);
		REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
		       pri_cli_nig_msb);

		REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
	}
	return ELINK_STATUS_OK;
}

/******************************************************************************
* Description:
*	Configure the COS to ETS according to BW and SP settings.
******************************************************************************/
elink_status_t elink_ets_e3b0_config(const struct elink_params *params,
			 const struct elink_vars *vars,
			 struct elink_ets_params *ets_params)
{
	struct bxe_softc *sc = params->sc;
	elink_status_t elink_status = ELINK_STATUS_OK;
	const uint8_t port = params->port;
	uint16_t total_bw = 0;
	const uint32_t min_w_val_nig = elink_ets_get_min_w_val_nig(vars);
	const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
	uint8_t cos_bw_bitmap = 0;
	uint8_t cos_sp_bitmap = 0;
	uint8_t sp_pri_to_cos[ELINK_DCBX_MAX_NUM_COS] = {0};
	const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
	uint8_t cos_entry = 0;

	if (!CHIP_IS_E3B0(sc)) {
		ELINK_DEBUG_P0(sc,
		   "elink_ets_e3b0_disabled the chip isn't E3B0\n");
		return ELINK_STATUS_ERROR;
	}

	if ((ets_params->num_of_cos > max_num_of_cos)) {
		ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config the number of COS "
				   "isn't supported\n");
		return ELINK_STATUS_ERROR;
	}

	/* Prepare sp strict priority parameters*/
	elink_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);

	/* Prepare BW parameters*/
	elink_status = elink_ets_e3b0_get_total_bw(params, ets_params,
						   &total_bw);
	if (elink_status != ELINK_STATUS_OK) {
		ELINK_DEBUG_P0(sc,
		   "elink_ets_E3B0_config get_total_bw failed\n");
		return ELINK_STATUS_ERROR;
	}

	/* Upper bound is set according to current link speed (min_w_val
	 * should be the same for upper bound and COS credit val).
	 */
	elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
	elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);


	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
		if (elink_cos_state_bw == ets_params->cos[cos_entry].state) {
			cos_bw_bitmap |= (1 << cos_entry);
			/* The function also sets the BW in HW(not the mappin
			 * yet)
			 */
			elink_status = elink_ets_e3b0_set_cos_bw(
				sc, cos_entry, min_w_val_nig, min_w_val_pbf,
				total_bw,
				ets_params->cos[cos_entry].params.bw_params.bw,
				 port);
		} else if (elink_cos_state_strict ==
			ets_params->cos[cos_entry].state){
			cos_sp_bitmap |= (1 << cos_entry);

			elink_status = elink_ets_e3b0_sp_pri_to_cos_set(
				params,
				sp_pri_to_cos,
				ets_params->cos[cos_entry].params.sp_params.pri,
				cos_entry);

		} else {
			ELINK_DEBUG_P0(sc,
			   "elink_ets_e3b0_config cos state not valid\n");
			return ELINK_STATUS_ERROR;
		}
		if (elink_status != ELINK_STATUS_OK) {
			ELINK_DEBUG_P0(sc,
			   "elink_ets_e3b0_config set cos bw failed\n");
			return elink_status;
		}
	}

	/* Set SP register (which COS has higher priority) */
	elink_status = elink_ets_e3b0_sp_set_pri_cli_reg(params,
							 sp_pri_to_cos);

	if (elink_status != ELINK_STATUS_OK) {
		ELINK_DEBUG_P0(sc,
		   "elink_ets_E3B0_config set_pri_cli_reg failed\n");
		return elink_status;
	}

	/* Set client mapping of BW and strict */
	elink_status = elink_ets_e3b0_cli_map(params, ets_params,
					      cos_sp_bitmap,
					      cos_bw_bitmap);

	if (elink_status != ELINK_STATUS_OK) {
		ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config SP failed\n");
		return elink_status;
	}
	return ELINK_STATUS_OK;
}
static void elink_ets_bw_limit_common(const struct elink_params *params)
{
	/* ETS disabled configuration */
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration\n");
	/* Defines which entries (clients) are subjected to WFQ arbitration
	 * COS0 0x8
	 * COS1 0x10
	 */
	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
	 * client numbers (WEIGHT_0 does not actually have to represent
	 * client 0)
	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
	 */
	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);

	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);

	/* ETS mode enabled*/
	REG_WR(sc, PBF_REG_ETS_ENABLED, 1);

	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
	 * entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2     bit1	   bit0
	 * MCP and debug are strict
	 */
	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);

	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
	REG_WR(sc, PBF_REG_COS0_UPPER_BOUND,
	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
	REG_WR(sc, PBF_REG_COS1_UPPER_BOUND,
	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
}

void elink_ets_bw_limit(const struct elink_params *params, const uint32_t cos0_bw,
			const uint32_t cos1_bw)
{
	/* ETS disabled configuration*/
	struct bxe_softc *sc = params->sc;
	const uint32_t total_bw = cos0_bw + cos1_bw;
	uint32_t cos0_credit_weight = 0;
	uint32_t cos1_credit_weight = 0;

	ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration\n");

	if ((!total_bw) ||
	    (!cos0_bw) ||
	    (!cos1_bw)) {
		ELINK_DEBUG_P0(sc, "Total BW can't be zero\n");
		return;
	}

	cos0_credit_weight = (cos0_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/
		total_bw;
	cos1_credit_weight = (cos1_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/
		total_bw;

	elink_ets_bw_limit_common(params);

	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);

	REG_WR(sc, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
	REG_WR(sc, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
}

elink_status_t elink_ets_strict(const struct elink_params *params, const uint8_t strict_cos)
{
	/* ETS disabled configuration*/
	struct bxe_softc *sc = params->sc;
	uint32_t val	= 0;

	ELINK_DEBUG_P0(sc, "ETS enabled strict configuration\n");
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
	 * as strict.  Bits 0,1,2 - debug and management entries,
	 * 3 - COS0 entry, 4 - COS1 entry.
	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
	 *  bit4   bit3	  bit2      bit1     bit0
	 * MCP and debug are strict
	 */
	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
	/* For strict priority entries defines the number of consecutive slots
	 * for the highest priority.
	 */
	REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
	/* ETS mode disable */
	REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);

	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);

	/* Mapping between entry  priority to client number (0,1,2 -debug and
	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
	 * 3bits client num.
	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
	 */
	val = (!strict_cos) ? 0x2318 : 0x22E0;
	REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);

	return ELINK_STATUS_OK;
}

/******************************************************************/
/*			PFC section				  */
/******************************************************************/
static void elink_update_pfc_xmac(struct elink_params *params,
				  struct elink_vars *vars,
				  uint8_t is_lb)
{
	struct bxe_softc *sc = params->sc;
	uint32_t xmac_base;
	uint32_t pause_val, pfc0_val, pfc1_val;

	/* XMAC base adrr */
	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;

	/* Initialize pause and pfc registers */
	pause_val = 0x18000;
	pfc0_val = 0xFFFF8000;
	pfc1_val = 0x2;

	/* No PFC support */
	if (!(params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) {

		/* RX flow control - Process pause frame in receive direction
		 */
		if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;

		/* TX flow control - Send pause packet when buffer is full */
		if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
	} else {/* PFC support */
		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
		/* Write pause and PFC registers */
		REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
		REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
		REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;

	}

	/* Write pause and PFC registers */
	REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
	REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
	REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);


	/* Set MAC address for source TX Pause/PFC frames */
	REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_LO,
	       ((params->mac_addr[2] << 24) |
		(params->mac_addr[3] << 16) |
		(params->mac_addr[4] << 8) |
		(params->mac_addr[5])));
	REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_HI,
	       ((params->mac_addr[0] << 8) |
		(params->mac_addr[1])));

	DELAY(30);
}

static void elink_emac_get_pfc_stat(struct elink_params *params,
				    uint32_t pfc_frames_sent[2],
				    uint32_t pfc_frames_received[2])
{
	/* Read pfc statistic */
	struct bxe_softc *sc = params->sc;
	uint32_t emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	uint32_t val_xon = 0;
	uint32_t val_xoff = 0;

	ELINK_DEBUG_P0(sc, "pfc statistic read from EMAC\n");

	/* PFC received frames */
	val_xoff = REG_RD(sc, emac_base +
				EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
	val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
	val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;

	pfc_frames_received[0] = val_xon + val_xoff;

	/* PFC received sent */
	val_xoff = REG_RD(sc, emac_base +
				EMAC_REG_RX_PFC_STATS_XOFF_SENT);
	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
	val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
	val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;

	pfc_frames_sent[0] = val_xon + val_xoff;
}

/* Read pfc statistic*/
void elink_pfc_statistic(struct elink_params *params, struct elink_vars *vars,
			 uint32_t pfc_frames_sent[2],
			 uint32_t pfc_frames_received[2])
{
	/* Read pfc statistic */
	struct bxe_softc *sc = params->sc;

	ELINK_DEBUG_P0(sc, "pfc statistic\n");

	if (!vars->link_up)
		return;

	if (vars->mac_type == ELINK_MAC_TYPE_EMAC) {
		ELINK_DEBUG_P0(sc, "About to read PFC stats from EMAC\n");
		elink_emac_get_pfc_stat(params, pfc_frames_sent,
					pfc_frames_received);
	}
}
/******************************************************************/
/*			MAC/PBF section				  */
/******************************************************************/
static void elink_set_mdio_clk(struct bxe_softc *sc, uint32_t chip_id,
			       uint32_t emac_base)
{
	uint32_t new_mode, cur_mode;
	uint32_t clc_cnt;
	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */
	cur_mode = REG_RD(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE);

	if (USES_WARPCORE(sc))
		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
	else
		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;

	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
		return;

	new_mode = cur_mode &
		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
	new_mode |= clc_cnt;
	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);

	ELINK_DEBUG_P2(sc, "Changing emac_mode from 0x%x to 0x%x\n",
	   cur_mode, new_mode);
	REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
	DELAY(40);
}

static uint8_t elink_is_4_port_mode(struct bxe_softc *sc)
{
	uint32_t port4mode_ovwr_val;
	/* Check 4-port override enabled */
	port4mode_ovwr_val = REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR);
	if (port4mode_ovwr_val & (1<<0)) {
		/* Return 4-port mode override value */
		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
	}
	/* Return 4-port mode from input pin */
	return (uint8_t)REG_RD(sc, MISC_REG_PORT4MODE_EN);
}

static void elink_set_mdio_emac_per_phy(struct bxe_softc *sc,
					struct elink_params *params)
{
	uint8_t phy_index;

	/* Set mdio clock per phy */
	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
	      phy_index++)
		elink_set_mdio_clk(sc, params->chip_id,
				   params->phy[phy_index].mdio_ctrl);
}

static void elink_emac_init(struct elink_params *params,
			    struct elink_vars *vars)
{
	/* reset and unreset the emac core */
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	uint32_t val;
	uint16_t timeout;

	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
	DELAY(5);
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));

	/* init emac - use read-modify-write */
	/* self clear reset */
	val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));

	timeout = 200;
	do {
		val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
		ELINK_DEBUG_P1(sc, "EMAC reset reg is %u\n", val);
		if (!timeout) {
			ELINK_DEBUG_P0(sc, "EMAC timeout!\n");
			return;
		}
		timeout--;
	} while (val & EMAC_MODE_RESET);

	elink_set_mdio_emac_per_phy(sc, params);
	/* Set mac address */
	val = ((params->mac_addr[0] << 8) |
		params->mac_addr[1]);
	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH, val);

	val = ((params->mac_addr[2] << 24) |
	       (params->mac_addr[3] << 16) |
	       (params->mac_addr[4] << 8) |
		params->mac_addr[5]);
	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH + 4, val);
}

static void elink_set_xumac_nig(struct elink_params *params,
				uint16_t tx_pause_en,
				uint8_t enable)
{
	struct bxe_softc *sc = params->sc;

	REG_WR(sc, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
	       enable);
	REG_WR(sc, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
	       enable);
	REG_WR(sc, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
}

static void elink_set_umac_rxtx(struct elink_params *params, uint8_t en)
{
	uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
	uint32_t val;
	struct bxe_softc *sc = params->sc;
	if (!(REG_RD(sc, MISC_REG_RESET_REG_2) &
		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
		return;
	val = REG_RD(sc, umac_base + UMAC_REG_COMMAND_CONFIG);
	if (en)
		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
			UMAC_COMMAND_CONFIG_REG_RX_ENA);
	else
		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
	/* Disable RX and TX */
	REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
}

static void elink_umac_enable(struct elink_params *params,
			    struct elink_vars *vars, uint8_t lb)
{
	uint32_t val;
	uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
	struct bxe_softc *sc = params->sc;
	/* Reset UMAC */
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
	DELAY(1000 * 1);

	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));

	ELINK_DEBUG_P0(sc, "enabling UMAC\n");

	/* This register opens the gate for the UMAC despite its name */
	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);

	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
		UMAC_COMMAND_CONFIG_REG_PAD_EN |
		UMAC_COMMAND_CONFIG_REG_SW_RESET |
		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
	switch (vars->line_speed) {
	case ELINK_SPEED_10:
		val |= (0<<2);
		break;
	case ELINK_SPEED_100:
		val |= (1<<2);
		break;
	case ELINK_SPEED_1000:
		val |= (2<<2);
		break;
	case ELINK_SPEED_2500:
		val |= (3<<2);
		break;
	default:
		ELINK_DEBUG_P1(sc, "Invalid speed for UMAC %d\n",
			       vars->line_speed);
		break;
	}
	if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;

	if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;

	if (vars->duplex == DUPLEX_HALF)
		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;

	REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
	DELAY(50);

	/* Configure UMAC for EEE */
	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
		ELINK_DEBUG_P0(sc, "configured UMAC for EEE\n");
		REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL,
		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
		REG_WR(sc, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
	} else {
		REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
	}

	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
	REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR0,
	       ((params->mac_addr[2] << 24) |
		(params->mac_addr[3] << 16) |
		(params->mac_addr[4] << 8) |
		(params->mac_addr[5])));
	REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR1,
	       ((params->mac_addr[0] << 8) |
		(params->mac_addr[1])));

	/* Enable RX and TX */
	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
		UMAC_COMMAND_CONFIG_REG_RX_ENA;
	REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
	DELAY(50);

	/* Remove SW Reset */
	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;

	/* Check loopback mode */
	if (lb)
		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
	REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);

	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
	 * length used by the MAC receive logic to check frames.
	 */
	REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
	elink_set_xumac_nig(params,
			    ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
	vars->mac_type = ELINK_MAC_TYPE_UMAC;

}

/* Define the XMAC mode */
static void elink_xmac_init(struct elink_params *params, uint32_t max_speed)
{
	struct bxe_softc *sc = params->sc;
	uint32_t is_port4mode = elink_is_4_port_mode(sc);

	/* In 4-port mode, need to set the mode only once, so if XMAC is
	 * already out of reset, it means the mode has already been set,
	 * and it must not* reset the XMAC again, since it controls both
	 * ports of the path
	 */

	if (((CHIP_NUM(sc) == CHIP_NUM_57840_4_10) ||
	     (CHIP_NUM(sc) == CHIP_NUM_57840_2_20) ||
	     (CHIP_NUM(sc) == CHIP_NUM_57840_OBS)) &&
	    is_port4mode &&
	    (REG_RD(sc, MISC_REG_RESET_REG_2) &
	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
		ELINK_DEBUG_P0(sc,
		   "XMAC already out of reset in 4-port mode\n");
		return;
	}

	/* Hard reset */
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       MISC_REGISTERS_RESET_REG_2_XMAC);
	DELAY(1000 * 1);

	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
	       MISC_REGISTERS_RESET_REG_2_XMAC);
	if (is_port4mode) {
		ELINK_DEBUG_P0(sc, "Init XMAC to 2 ports x 10G per path\n");

		/* Set the number of ports on the system side to up to 2 */
		REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 1);

		/* Set the number of ports on the Warp Core to 10G */
		REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
	} else {
		/* Set the number of ports on the system side to 1 */
		REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 0);
		if (max_speed == ELINK_SPEED_10000) {
			ELINK_DEBUG_P0(sc,
			   "Init XMAC to 10G x 1 port per path\n");
			/* Set the number of ports on the Warp Core to 10G */
			REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
		} else {
			ELINK_DEBUG_P0(sc,
			   "Init XMAC to 20G x 2 ports per path\n");
			/* Set the number of ports on the Warp Core to 20G */
			REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 1);
		}
	}
	/* Soft reset */
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
	DELAY(1000 * 1);

	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);

}

static void elink_set_xmac_rxtx(struct elink_params *params, uint8_t en)
{
	uint8_t port = params->port;
	struct bxe_softc *sc = params->sc;
	uint32_t pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
	uint32_t val;

	if (REG_RD(sc, MISC_REG_RESET_REG_2) &
	    MISC_REGISTERS_RESET_REG_2_XMAC) {
		/* Send an indication to change the state in the NIG back to XON
		 * Clearing this bit enables the next set of this bit to get
		 * rising edge
		 */
		pfc_ctrl = REG_RD(sc, xmac_base + XMAC_REG_PFC_CTRL_HI);
		REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
		       (pfc_ctrl & ~(1<<1)));
		REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
		       (pfc_ctrl | (1<<1)));
		ELINK_DEBUG_P1(sc, "Disable XMAC on port %x\n", port);
		val = REG_RD(sc, xmac_base + XMAC_REG_CTRL);
		if (en)
			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
		else
			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
		REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
	}
}

static elink_status_t elink_xmac_enable(struct elink_params *params,
			     struct elink_vars *vars, uint8_t lb)
{
	uint32_t val, xmac_base;
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "enabling XMAC\n");

	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;

	elink_xmac_init(params, vars->line_speed);

	/* This register determines on which events the MAC will assert
	 * error on the i/f to the NIG along w/ EOP.
	 */

	/* This register tells the NIG whether to send traffic to UMAC
	 * or XMAC
	 */
	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);

	/* When XMAC is in XLGMII mode, disable sending idles for fault
	 * detection.
	 */
	if (!(params->phy[ELINK_INT_PHY].flags & ELINK_FLAGS_TX_ERROR_CHECK)) {
		REG_WR(sc, xmac_base + XMAC_REG_RX_LSS_CTRL,
		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
		REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
		REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
	}
	/* Set Max packet size */
	REG_WR(sc, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);

	/* CRC append for Tx packets */
	REG_WR(sc, xmac_base + XMAC_REG_TX_CTRL, 0xC800);

	/* update PFC */
	elink_update_pfc_xmac(params, vars, 0);

	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
		ELINK_DEBUG_P0(sc, "Setting XMAC for EEE\n");
		REG_WR(sc, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
		REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
	} else {
		REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
	}

	/* Enable TX and RX */
	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;

	/* Set MAC in XLGMII mode for dual-mode */
	if ((vars->line_speed == ELINK_SPEED_20000) &&
	    (params->phy[ELINK_INT_PHY].supported &
	     ELINK_SUPPORTED_20000baseKR2_Full))
		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;

	/* Check loopback mode */
	if (lb)
		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
	REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
	elink_set_xumac_nig(params,
			    ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);

	vars->mac_type = ELINK_MAC_TYPE_XMAC;

	return ELINK_STATUS_OK;
}

static elink_status_t elink_emac_enable(struct elink_params *params,
			     struct elink_vars *vars, uint8_t lb)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	uint32_t val;

	ELINK_DEBUG_P0(sc, "enabling EMAC\n");

	/* Disable BMAC */
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

	/* enable emac and not bmac */
	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);

#ifdef ELINK_INCLUDE_EMUL
	/* for paladium */
	if (CHIP_REV_IS_EMUL(sc)) {
		/* Use lane 1 (of lanes 0-3) */
		REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
		REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
	}
	/* for fpga */
	else
#endif
#ifdef ELINK_INCLUDE_FPGA
	if (CHIP_REV_IS_FPGA(sc)) {
		/* Use lane 1 (of lanes 0-3) */
		ELINK_DEBUG_P0(sc, "elink_emac_enable: Setting FPGA\n");

		REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
		REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
	} else
#endif
	/* ASIC */
	if (vars->phy_flags & PHY_XGXS_FLAG) {
		uint32_t ser_lane = ((params->lane_config &
				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

		ELINK_DEBUG_P0(sc, "XGXS\n");
		/* select the master lanes (out of 0-3) */
		REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
		/* select XGXS */
		REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);

	} else { /* SerDes */
		ELINK_DEBUG_P0(sc, "SerDes\n");
		/* select SerDes */
		REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
	}

	elink_bits_en(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
		      EMAC_RX_MODE_RESET);
	elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
		      EMAC_TX_MODE_RESET);

#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
	if (CHIP_REV_IS_SLOW(sc)) {
		/* config GMII mode */
		val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
		elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
	} else { /* ASIC */
#endif
		/* pause enable/disable */
		elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
			       EMAC_RX_MODE_FLOW_EN);

		elink_bits_dis(sc,  emac_base + EMAC_REG_EMAC_TX_MODE,
			       (EMAC_TX_MODE_EXT_PAUSE_EN |
				EMAC_TX_MODE_FLOW_EN));
		if (!(params->feature_config_flags &
		      ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
			if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
				elink_bits_en(sc, emac_base +
					      EMAC_REG_EMAC_RX_MODE,
					      EMAC_RX_MODE_FLOW_EN);

			if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
				elink_bits_en(sc, emac_base +
					      EMAC_REG_EMAC_TX_MODE,
					      (EMAC_TX_MODE_EXT_PAUSE_EN |
					       EMAC_TX_MODE_FLOW_EN));
		} else
			elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
				      EMAC_TX_MODE_FLOW_EN);
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
	}
#endif

	/* KEEP_VLAN_TAG, promiscuous */
	val = REG_RD(sc, emac_base + EMAC_REG_EMAC_RX_MODE);
	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;

	/* Setting this bit causes MAC control frames (except for pause
	 * frames) to be passed on for processing. This setting has no
	 * affect on the operation of the pause frames. This bit effects
	 * all packets regardless of RX Parser packet sorting logic.
	 * Turn the PFC off to make sure we are in Xon state before
	 * enabling it.
	 */
	elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE, 0);
	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
		ELINK_DEBUG_P0(sc, "PFC is enabled\n");
		/* Enable PFC again */
		elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE,
			EMAC_REG_RX_PFC_MODE_RX_EN |
			EMAC_REG_RX_PFC_MODE_TX_EN |
			EMAC_REG_RX_PFC_MODE_PRIORITIES);

		elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_PARAM,
			((0x0101 <<
			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
			 (0x00ff <<
			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
	}
	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MODE, val);

	/* Set Loopback */
	val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
	if (lb)
		val |= 0x810;
	else
		val &= ~0x810;
	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, val);

	/* Enable emac */
	REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 1);

	/* Enable emac for jumbo packets */
	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MTU_SIZE,
		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
		 (ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD)));

	/* Strip CRC */
	REG_WR(sc, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);

	/* Disable the NIG in/out to the bmac */
	REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
	REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
	REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);

	/* Enable the NIG in/out to the emac */
	REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
	val = 0;
	if ((params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
		val = 1;

	REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
	REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);

#ifdef ELINK_INCLUDE_EMUL
	if (CHIP_REV_IS_EMUL(sc)) {
		/* Take the BigMac out of reset */
		REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

		/* Enable access for bmac registers */
		REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
	} else
#endif
	REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);

	vars->mac_type = ELINK_MAC_TYPE_EMAC;
	return ELINK_STATUS_OK;
}

static void elink_update_pfc_bmac1(struct elink_params *params,
				   struct elink_vars *vars)
{
	uint32_t wb_data[2];
	struct bxe_softc *sc = params->sc;
	uint32_t bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;

	uint32_t val = 0x14;
	if ((!(params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
		/* Enable BigMAC to react on received Pause packets */
		val |= (1<<5);
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);

	/* TX control */
	val = 0xc0;
	if (!(params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
		(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
}

static void elink_update_pfc_bmac2(struct elink_params *params,
				   struct elink_vars *vars,
				   uint8_t is_lb)
{
	/* Set rx control: Strip CRC and enable BigMAC to relay
	 * control packets to the system as well
	 */
	uint32_t wb_data[2];
	struct bxe_softc *sc = params->sc;
	uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	uint32_t val = 0x14;

	if ((!(params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
		/* Enable BigMAC to react on received Pause packets */
		val |= (1<<5);
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
	DELAY(30);

	/* Tx control */
	val = 0xc0;
	if (!(params->feature_config_flags &
				ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);

	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
		ELINK_DEBUG_P0(sc, "PFC is enabled\n");
		/* Enable PFC RX & TX & STATS and set 8 COS  */
		wb_data[0] = 0x0;
		wb_data[0] |= (1<<0);  /* RX */
		wb_data[0] |= (1<<1);  /* TX */
		wb_data[0] |= (1<<2);  /* Force initial Xon */
		wb_data[0] |= (1<<3);  /* 8 cos */
		wb_data[0] |= (1<<5);  /* STATS */
		wb_data[1] = 0;
		REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
			    wb_data, 2);
		/* Clear the force Xon */
		wb_data[0] &= ~(1<<2);
	} else {
		ELINK_DEBUG_P0(sc, "PFC is disabled\n");
		/* Disable PFC RX & TX & STATS and set 8 COS */
		wb_data[0] = 0x8;
		wb_data[1] = 0;
	}

	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);

	/* Set Time (based unit is 512 bit time) between automatic
	 * re-sending of PP packets amd enable automatic re-send of
	 * Per-Priroity Packet as long as pp_gen is asserted and
	 * pp_disable is low.
	 */
	val = 0x8000;
	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
		val |= (1<<16); /* enable automatic re-send */

	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
		    wb_data, 2);

	/* mac control */
	val = 0x3; /* Enable RX and TX */
	if (is_lb) {
		val |= 0x4; /* Local loopback */
		ELINK_DEBUG_P0(sc, "enable bmac loopback\n");
	}
	/* When PFC enabled, Pass pause frames towards the NIG. */
	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
		val |= ((1<<6)|(1<<5));

	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
}

/******************************************************************************
* Description:
*  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
*  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
******************************************************************************/
static elink_status_t elink_pfc_nig_rx_priority_mask(struct bxe_softc *sc,
					   uint8_t cos_entry,
					   uint32_t priority_mask, uint8_t port)
{
	uint32_t nig_reg_rx_priority_mask_add = 0;

	switch (cos_entry) {
	case 0:
	     nig_reg_rx_priority_mask_add = (port) ?
		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
	     break;
	case 1:
	    nig_reg_rx_priority_mask_add = (port) ?
		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
	    break;
	case 2:
	    nig_reg_rx_priority_mask_add = (port) ?
		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
	    break;
	case 3:
	    if (port)
		return ELINK_STATUS_ERROR;
	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
	    break;
	case 4:
	    if (port)
		return ELINK_STATUS_ERROR;
	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
	    break;
	case 5:
	    if (port)
		return ELINK_STATUS_ERROR;
	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
	    break;
	}

	REG_WR(sc, nig_reg_rx_priority_mask_add, priority_mask);

	return ELINK_STATUS_OK;
}
static void elink_update_mng(struct elink_params *params, uint32_t link_status)
{
	struct bxe_softc *sc = params->sc;

	REG_WR(sc, params->shmem_base +
	       offsetof(struct shmem_region,
			port_mb[params->port].link_status), link_status);
}

static void elink_update_pfc_nig(struct elink_params *params,
		struct elink_vars *vars,
		struct elink_nig_brb_pfc_port_params *nig_params)
{
	uint32_t xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
	uint32_t llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
	uint32_t pkt_priority_to_cos = 0;
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;

	int set_pfc = params->feature_config_flags &
		ELINK_FEATURE_CONFIG_PFC_ENABLED;
	ELINK_DEBUG_P0(sc, "updating pfc nig parameters\n");

	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
	 * MAC control frames (that are not pause packets)
	 * will be forwarded to the XCM.
	 */
	xcm_mask = REG_RD(sc, port ? NIG_REG_LLH1_XCM_MASK :
			  NIG_REG_LLH0_XCM_MASK);
	/* NIG params will override non PFC params, since it's possible to
	 * do transition from PFC to SAFC
	 */
	if (set_pfc) {
		pause_enable = 0;
		llfc_out_en = 0;
		llfc_enable = 0;
		if (CHIP_IS_E3(sc))
			ppp_enable = 0;
		else
			ppp_enable = 1;
		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
		xcm_out_en = 0;
		hwpfc_enable = 1;
	} else  {
		if (nig_params) {
			llfc_out_en = nig_params->llfc_out_en;
			llfc_enable = nig_params->llfc_enable;
			pause_enable = nig_params->pause_enable;
		} else  /* Default non PFC mode - PAUSE */
			pause_enable = 1;

		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
		xcm_out_en = 1;
	}

	if (CHIP_IS_E3(sc))
		REG_WR(sc, port ? NIG_REG_BRB1_PAUSE_IN_EN :
		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
	REG_WR(sc, port ? NIG_REG_LLFC_OUT_EN_1 :
	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
	REG_WR(sc, port ? NIG_REG_LLFC_ENABLE_1 :
	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
	REG_WR(sc, port ? NIG_REG_PAUSE_ENABLE_1 :
	       NIG_REG_PAUSE_ENABLE_0, pause_enable);

	REG_WR(sc, port ? NIG_REG_PPP_ENABLE_1 :
	       NIG_REG_PPP_ENABLE_0, ppp_enable);

	REG_WR(sc, port ? NIG_REG_LLH1_XCM_MASK :
	       NIG_REG_LLH0_XCM_MASK, xcm_mask);

	REG_WR(sc, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);

	/* Output enable for RX_XCM # IF */
	REG_WR(sc, port ? NIG_REG_XCM1_OUT_EN :
	       NIG_REG_XCM0_OUT_EN, xcm_out_en);

	/* HW PFC TX enable */
	REG_WR(sc, port ? NIG_REG_P1_HWPFC_ENABLE :
	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);

	if (nig_params) {
		uint8_t i = 0;
		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;

		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
			elink_pfc_nig_rx_priority_mask(sc, i,
		nig_params->rx_cos_priority_mask[i], port);

		REG_WR(sc, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
		       nig_params->llfc_high_priority_classes);

		REG_WR(sc, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
		       nig_params->llfc_low_priority_classes);
	}
	REG_WR(sc, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
	       pkt_priority_to_cos);
}

elink_status_t elink_update_pfc(struct elink_params *params,
		      struct elink_vars *vars,
		      struct elink_nig_brb_pfc_port_params *pfc_params)
{
	/* The PFC and pause are orthogonal to one another, meaning when
	 * PFC is enabled, the pause are disabled, and when PFC is
	 * disabled, pause are set according to the pause result.
	 */
	uint32_t val;
	struct bxe_softc *sc = params->sc;
	uint8_t bmac_loopback = (params->loopback_mode == ELINK_LOOPBACK_BMAC);

	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;
	else
		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;

	elink_update_mng(params, vars->link_status);

	/* Update NIG params */
	elink_update_pfc_nig(params, vars, pfc_params);

	if (!vars->link_up)
		return ELINK_STATUS_OK;

	ELINK_DEBUG_P0(sc, "About to update PFC in BMAC\n");

	if (CHIP_IS_E3(sc)) {
		if (vars->mac_type == ELINK_MAC_TYPE_XMAC)
			elink_update_pfc_xmac(params, vars, 0);
	} else {
		val = REG_RD(sc, MISC_REG_RESET_REG_2);
		if ((val &
		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
		    == 0) {
			ELINK_DEBUG_P0(sc, "About to update PFC in EMAC\n");
			elink_emac_enable(params, vars, 0);
			return ELINK_STATUS_OK;
		}
		if (CHIP_IS_E2(sc))
			elink_update_pfc_bmac2(params, vars, bmac_loopback);
		else
			elink_update_pfc_bmac1(params, vars);

		val = 0;
		if ((params->feature_config_flags &
		     ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
		    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
			val = 1;
		REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
	}
	return ELINK_STATUS_OK;
}

static elink_status_t elink_bmac1_enable(struct elink_params *params,
			      struct elink_vars *vars,
			      uint8_t is_lb)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	uint32_t wb_data[2];
	uint32_t val;

	ELINK_DEBUG_P0(sc, "Enabling BigMAC1\n");

	/* XGXS control */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);

	/* TX MAC SA */
	wb_data[0] = ((params->mac_addr[2] << 24) |
		       (params->mac_addr[3] << 16) |
		       (params->mac_addr[4] << 8) |
			params->mac_addr[5]);
	wb_data[1] = ((params->mac_addr[0] << 8) |
			params->mac_addr[1]);
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);

	/* MAC control */
	val = 0x3;
	if (is_lb) {
		val |= 0x4;
		ELINK_DEBUG_P0(sc,  "enable bmac loopback\n");
	}
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);

	/* Set rx mtu */
	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);

	elink_update_pfc_bmac1(params, vars);

	/* Set tx mtu */
	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);

	/* Set cnt max size */
	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);

	/* Configure SAFC */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
		    wb_data, 2);
#ifdef ELINK_INCLUDE_EMUL
	/* Fix for emulation */
	if (CHIP_REV_IS_EMUL(sc)) {
		wb_data[0] = 0xf000;
		wb_data[1] = 0;
		REG_WR_DMAE(sc,	bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
			    wb_data, 2);
	}
#endif

	return ELINK_STATUS_OK;
}

static elink_status_t elink_bmac2_enable(struct elink_params *params,
			      struct elink_vars *vars,
			      uint8_t is_lb)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	uint32_t wb_data[2];

	ELINK_DEBUG_P0(sc, "Enabling BigMAC2\n");

	wb_data[0] = 0;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
	DELAY(30);

	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);

	DELAY(30);

	/* TX MAC SA */
	wb_data[0] = ((params->mac_addr[2] << 24) |
		       (params->mac_addr[3] << 16) |
		       (params->mac_addr[4] << 8) |
			params->mac_addr[5]);
	wb_data[1] = ((params->mac_addr[0] << 8) |
			params->mac_addr[1]);
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
		    wb_data, 2);

	DELAY(30);

	/* Configure SAFC */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
		    wb_data, 2);
	DELAY(30);

	/* Set RX MTU */
	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
	DELAY(30);

	/* Set TX MTU */
	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
	DELAY(30);
	/* Set cnt max size */
	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD - 2;
	wb_data[1] = 0;
	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
	DELAY(30);
	elink_update_pfc_bmac2(params, vars, is_lb);

	return ELINK_STATUS_OK;
}

static elink_status_t elink_bmac_enable(struct elink_params *params,
			     struct elink_vars *vars,
			     uint8_t is_lb, uint8_t reset_bmac)
{
	elink_status_t rc = ELINK_STATUS_OK;
	uint8_t port = params->port;
	struct bxe_softc *sc = params->sc;
	uint32_t val;
	/* Reset and unreset the BigMac */
	if (reset_bmac) {
		REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
		DELAY(1000 * 1);
	}

	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

	/* Enable access for bmac registers */
	REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);

	/* Enable BMAC according to BMAC type*/
	if (CHIP_IS_E2(sc))
		rc = elink_bmac2_enable(params, vars, is_lb);
	else
		rc = elink_bmac1_enable(params, vars, is_lb);
	REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
	REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
	val = 0;
	if ((params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
		val = 1;
	REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
	REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
	REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
	REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
	REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
	REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);

	vars->mac_type = ELINK_MAC_TYPE_BMAC;
	return rc;
}

static void elink_set_bmac_rx(struct bxe_softc *sc, uint32_t chip_id, uint8_t port, uint8_t en)
{
	uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			NIG_REG_INGRESS_BMAC0_MEM;
	uint32_t wb_data[2];
	uint32_t nig_bmac_enable = REG_RD(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4);

	if (CHIP_IS_E2(sc))
		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
	else
		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
	/* Only if the bmac is out of reset */
	if (REG_RD(sc, MISC_REG_RESET_REG_2) &
			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
	    nig_bmac_enable) {
		/* Clear Rx Enable bit in BMAC_CONTROL register */
		REG_RD_DMAE(sc, bmac_addr, wb_data, 2);
		if (en)
			wb_data[0] |= ELINK_BMAC_CONTROL_RX_ENABLE;
		else
			wb_data[0] &= ~ELINK_BMAC_CONTROL_RX_ENABLE;
		REG_WR_DMAE(sc, bmac_addr, wb_data, 2);
		DELAY(1000 * 1);
	}
}

static elink_status_t elink_pbf_update(struct elink_params *params, uint32_t flow_ctrl,
			    uint32_t line_speed)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	uint32_t init_crd, crd;
	uint32_t count = 1000;

	/* Disable port */
	REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);

	/* Wait for init credit */
	init_crd = REG_RD(sc, PBF_REG_P0_INIT_CRD + port*4);
	crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
	ELINK_DEBUG_P2(sc, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);

	while ((init_crd != crd) && count) {
		DELAY(1000 * 5);
		crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
		count--;
	}
	crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
	if (init_crd != crd) {
		ELINK_DEBUG_P2(sc, "BUG! init_crd 0x%x != crd 0x%x\n",
			  init_crd, crd);
		return ELINK_STATUS_ERROR;
	}

	if (flow_ctrl & ELINK_FLOW_CTRL_RX ||
	    line_speed == ELINK_SPEED_10 ||
	    line_speed == ELINK_SPEED_100 ||
	    line_speed == ELINK_SPEED_1000 ||
	    line_speed == ELINK_SPEED_2500) {
		REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
		/* Update threshold */
		REG_WR(sc, PBF_REG_P0_ARB_THRSH + port*4, 0);
		/* Update init credit */
		init_crd = 778;		/* (800-18-4) */

	} else {
		uint32_t thresh = (ELINK_ETH_MAX_JUMBO_PACKET_SIZE +
			      ELINK_ETH_OVREHEAD)/16;
		REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
		/* Update threshold */
		REG_WR(sc, PBF_REG_P0_ARB_THRSH + port*4, thresh);
		/* Update init credit */
		switch (line_speed) {
		case ELINK_SPEED_10000:
			init_crd = thresh + 553 - 22;
			break;
		default:
			ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
				  line_speed);
			return ELINK_STATUS_ERROR;
		}
	}
	REG_WR(sc, PBF_REG_P0_INIT_CRD + port*4, init_crd);
	ELINK_DEBUG_P2(sc, "PBF updated to speed %d credit %d\n",
		 line_speed, init_crd);

	/* Probe the credit changes */
	REG_WR(sc, PBF_REG_INIT_P0 + port*4, 0x1);
	DELAY(1000 * 5);
	REG_WR(sc, PBF_REG_INIT_P0 + port*4, 0x0);

	/* Enable port */
	REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
	return ELINK_STATUS_OK;
}

/**
 * elink_get_emac_base - retrive emac base address
 *
 * @bp:			driver handle
 * @mdc_mdio_access:	access type
 * @port:		port id
 *
 * This function selects the MDC/MDIO access (through emac0 or
 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
 * phy has a default access mode, which could also be overridden
 * by nvram configuration. This parameter, whether this is the
 * default phy configuration, or the nvram overrun
 * configuration, is passed here as mdc_mdio_access and selects
 * the emac_base for the CL45 read/writes operations
 */
static uint32_t elink_get_emac_base(struct bxe_softc *sc,
			       uint32_t mdc_mdio_access, uint8_t port)
{
	uint32_t emac_base = 0;
	switch (mdc_mdio_access) {
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
		if (REG_RD(sc, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC1;
		else
			emac_base = GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
		if (REG_RD(sc, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
		break;
	default:
		break;
	}
	return emac_base;

}

/******************************************************************/
/*			CL22 access functions			  */
/******************************************************************/
static elink_status_t elink_cl22_write(struct bxe_softc *sc,
				       struct elink_phy *phy,
				       uint16_t reg, uint16_t val)
{
	uint32_t tmp, mode;
	uint8_t i;
	elink_status_t rc = ELINK_STATUS_OK;
	/* Switch to CL22 */
	mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);

	/* Address */
	tmp = ((phy->addr << 21) | (reg << 16) | val |
	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
	       EMAC_MDIO_COMM_START_BUSY);
	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);

	for (i = 0; i < 50; i++) {
		DELAY(10);

		tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
			DELAY(5);
			break;
		}
	}
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		ELINK_DEBUG_P0(sc, "write phy register failed\n");
		rc = ELINK_STATUS_TIMEOUT;
	}
	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
	return rc;
}

static elink_status_t elink_cl22_read(struct bxe_softc *sc,
				      struct elink_phy *phy,
				      uint16_t reg, uint16_t *ret_val)
{
	uint32_t val, mode;
	uint16_t i;
	elink_status_t rc = ELINK_STATUS_OK;

	/* Switch to CL22 */
	mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);

	/* Address */
	val = ((phy->addr << 21) | (reg << 16) |
	       EMAC_MDIO_COMM_COMMAND_READ_22 |
	       EMAC_MDIO_COMM_START_BUSY);
	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);

	for (i = 0; i < 50; i++) {
		DELAY(10);

		val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
			*ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA);
			DELAY(5);
			break;
		}
	}
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		ELINK_DEBUG_P0(sc, "read phy register failed\n");

		*ret_val = 0;
		rc = ELINK_STATUS_TIMEOUT;
	}
	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
	return rc;
}

/******************************************************************/
/*			CL45 access functions			  */
/******************************************************************/
static elink_status_t elink_cl45_read(struct bxe_softc *sc, struct elink_phy *phy,
			   uint8_t devad, uint16_t reg, uint16_t *ret_val)
{
	uint32_t val;
	uint16_t i;
	elink_status_t rc = ELINK_STATUS_OK;
	uint32_t chip_id;
	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
		chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
			  ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
		elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
	}

	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
		elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			      EMAC_MDIO_STATUS_10MB);
	/* Address */
	val = ((phy->addr << 21) | (devad << 16) | reg |
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);

	for (i = 0; i < 50; i++) {
		DELAY(10);

		val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
			DELAY(5);
			break;
		}
	}
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		ELINK_DEBUG_P0(sc, "read phy register failed\n");
		elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"

		*ret_val = 0;
		rc = ELINK_STATUS_TIMEOUT;
	} else {
		/* Data */
		val = ((phy->addr << 21) | (devad << 16) |
		       EMAC_MDIO_COMM_COMMAND_READ_45 |
		       EMAC_MDIO_COMM_START_BUSY);
		REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);

		for (i = 0; i < 50; i++) {
			DELAY(10);

			val = REG_RD(sc, phy->mdio_ctrl +
				     EMAC_REG_EMAC_MDIO_COMM);
			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
				*ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA);
				break;
			}
		}
		if (val & EMAC_MDIO_COMM_START_BUSY) {
			ELINK_DEBUG_P0(sc, "read phy register failed\n");
			elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"

			*ret_val = 0;
			rc = ELINK_STATUS_TIMEOUT;
		}
	}
	/* Work around for E3 A0 */
	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
		phy->flags ^= ELINK_FLAGS_DUMMY_READ;
		if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
			uint16_t temp_val;
			elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
		}
	}

	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
		elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
	return rc;
}

static elink_status_t elink_cl45_write(struct bxe_softc *sc, struct elink_phy *phy,
			    uint8_t devad, uint16_t reg, uint16_t val)
{
	uint32_t tmp;
	uint8_t i;
	elink_status_t rc = ELINK_STATUS_OK;
	uint32_t chip_id;
	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
		chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
			  ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
		elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
	}

	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
		elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			      EMAC_MDIO_STATUS_10MB);

	/* Address */
	tmp = ((phy->addr << 21) | (devad << 16) | reg |
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);

	for (i = 0; i < 50; i++) {
		DELAY(10);

		tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
			DELAY(5);
			break;
		}
	}
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		ELINK_DEBUG_P0(sc, "write phy register failed\n");
		elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"

		rc = ELINK_STATUS_TIMEOUT;
	} else {
		/* Data */
		tmp = ((phy->addr << 21) | (devad << 16) | val |
		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
		       EMAC_MDIO_COMM_START_BUSY);
		REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);

		for (i = 0; i < 50; i++) {
			DELAY(10);

			tmp = REG_RD(sc, phy->mdio_ctrl +
				     EMAC_REG_EMAC_MDIO_COMM);
			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
				DELAY(5);
				break;
			}
		}
		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
			ELINK_DEBUG_P0(sc, "write phy register failed\n");
			elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"

			rc = ELINK_STATUS_TIMEOUT;
		}
	}
	/* Work around for E3 A0 */
	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
		phy->flags ^= ELINK_FLAGS_DUMMY_READ;
		if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
			uint16_t temp_val;
			elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
		}
	}
	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
		elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
	return rc;
}

/******************************************************************/
/*			EEE section				   */
/******************************************************************/
static uint8_t elink_eee_has_cap(struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;

	if (REG_RD(sc, params->shmem2_base) <=
		   offsetof(struct shmem2_region, eee_status[params->port]))
		return 0;

	return 1;
}

static elink_status_t elink_eee_nvram_to_time(uint32_t nvram_mode, uint32_t *idle_timer)
{
	switch (nvram_mode) {
	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
		*idle_timer = ELINK_EEE_MODE_NVRAM_BALANCED_TIME;
		break;
	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
		*idle_timer = ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME;
		break;
	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
		*idle_timer = ELINK_EEE_MODE_NVRAM_LATENCY_TIME;
		break;
	default:
		*idle_timer = 0;
		break;
	}

	return ELINK_STATUS_OK;
}

static elink_status_t elink_eee_time_to_nvram(uint32_t idle_timer, uint32_t *nvram_mode)
{
	switch (idle_timer) {
	case ELINK_EEE_MODE_NVRAM_BALANCED_TIME:
		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
		break;
	case ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME:
		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
		break;
	case ELINK_EEE_MODE_NVRAM_LATENCY_TIME:
		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
		break;
	default:
		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
		break;
	}

	return ELINK_STATUS_OK;
}

static uint32_t elink_eee_calc_timer(struct elink_params *params)
{
	uint32_t eee_mode, eee_idle;
	struct bxe_softc *sc = params->sc;

	if (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) {
		if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
			/* time value in eee_mode --> used directly*/
			eee_idle = params->eee_mode & ELINK_EEE_MODE_TIMER_MASK;
		} else {
			/* hsi value in eee_mode --> time */
			if (elink_eee_nvram_to_time(params->eee_mode &
						    ELINK_EEE_MODE_NVRAM_MASK,
						    &eee_idle))
				return 0;
		}
	} else {
		/* hsi values in nvram --> time*/
		eee_mode = ((REG_RD(sc, params->shmem_base +
				    offsetof(struct shmem_region, dev_info.
				    port_feature_config[params->port].
				    eee_power_mode)) &
			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);

		if (elink_eee_nvram_to_time(eee_mode, &eee_idle))
			return 0;
	}

	return eee_idle;
}

static elink_status_t elink_eee_set_timers(struct elink_params *params,
				   struct elink_vars *vars)
{
	uint32_t eee_idle = 0, eee_mode;
	struct bxe_softc *sc = params->sc;

	eee_idle = elink_eee_calc_timer(params);

	if (eee_idle) {
		REG_WR(sc, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
		       eee_idle);
	} else if ((params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI) &&
		   (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) &&
		   (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME)) {
		ELINK_DEBUG_P0(sc, "Error: Tx LPI is enabled with timer 0\n");
		return ELINK_STATUS_ERROR;
	}

	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
	if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
		/* eee_idle in 1u --> eee_status in 16u */
		eee_idle >>= 4;
		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
				    SHMEM_EEE_TIME_OUTPUT_BIT;
	} else {
		if (elink_eee_time_to_nvram(eee_idle, &eee_mode))
			return ELINK_STATUS_ERROR;
		vars->eee_status |= eee_mode;
	}

	return ELINK_STATUS_OK;
}

static elink_status_t elink_eee_initial_config(struct elink_params *params,
				     struct elink_vars *vars, uint8_t mode)
{
	vars->eee_status |= ((uint32_t) mode) << SHMEM_EEE_SUPPORTED_SHIFT;

	/* Propagate params' bits --> vars (for migration exposure) */
	if (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)
		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
	else
		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;

	if (params->eee_mode & ELINK_EEE_MODE_ADV_LPI)
		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
	else
		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;

	return elink_eee_set_timers(params, vars);
}

static elink_status_t elink_eee_disable(struct elink_phy *phy,
				struct elink_params *params,
				struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;

	/* Make Certain LPI is disabled */
	REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);

	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);

	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;

	return ELINK_STATUS_OK;
}

static elink_status_t elink_eee_advertise(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars, uint8_t modes)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val = 0;

	/* Mask events preventing LPI generation */
	REG_WR(sc, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);

	if (modes & SHMEM_EEE_10G_ADV) {
		ELINK_DEBUG_P0(sc, "Advertise 10GBase-T EEE\n");
		val |= 0x8;
	}
	if (modes & SHMEM_EEE_1G_ADV) {
		ELINK_DEBUG_P0(sc, "Advertise 1GBase-T EEE\n");
		val |= 0x4;
	}

	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);

	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);

	return ELINK_STATUS_OK;
}

static void elink_update_mng_eee(struct elink_params *params, uint32_t eee_status)
{
	struct bxe_softc *sc = params->sc;

	if (elink_eee_has_cap(params))
		REG_WR(sc, params->shmem2_base +
		       offsetof(struct shmem2_region,
				eee_status[params->port]), eee_status);
}

static void elink_eee_an_resolve(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t adv = 0, lp = 0;
	uint32_t lp_adv = 0;
	uint8_t neg = 0;

	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);

	if (lp & 0x2) {
		lp_adv |= SHMEM_EEE_100M_ADV;
		if (adv & 0x2) {
			if (vars->line_speed == ELINK_SPEED_100)
				neg = 1;
			ELINK_DEBUG_P0(sc, "EEE negotiated - 100M\n");
		}
	}
	if (lp & 0x14) {
		lp_adv |= SHMEM_EEE_1G_ADV;
		if (adv & 0x14) {
			if (vars->line_speed == ELINK_SPEED_1000)
				neg = 1;
			ELINK_DEBUG_P0(sc, "EEE negotiated - 1G\n");
		}
	}
	if (lp & 0x68) {
		lp_adv |= SHMEM_EEE_10G_ADV;
		if (adv & 0x68) {
			if (vars->line_speed == ELINK_SPEED_10000)
				neg = 1;
			ELINK_DEBUG_P0(sc, "EEE negotiated - 10G\n");
		}
	}

	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);

	if (neg) {
		ELINK_DEBUG_P0(sc, "EEE is active\n");
		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
	}
}

/******************************************************************/
/*			BSC access functions from E3	          */
/******************************************************************/
static void elink_bsc_module_sel(struct elink_params *params)
{
	int idx;
	uint32_t board_cfg, sfp_ctrl;
	uint32_t i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	/* Read I2C output PINs */
	board_cfg = REG_RD(sc, params->shmem_base +
			   offsetof(struct shmem_region,
				    dev_info.shared_hw_config.board));
	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;

	/* Read I2C output value */
	sfp_ctrl = REG_RD(sc, params->shmem_base +
			  offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
	ELINK_DEBUG_P0(sc, "Setting BSC switch\n");
	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
		elink_set_cfg_pin(sc, i2c_pins[idx], i2c_val[idx]);
}

static elink_status_t elink_bsc_read(struct bxe_softc *sc,
			  uint8_t sl_devid,
			  uint16_t sl_addr,
			  uint8_t lc_addr,
			  uint8_t xfer_cnt,
			  uint32_t *data_array)
{
	uint32_t val, i;
	elink_status_t rc = ELINK_STATUS_OK;

	if (xfer_cnt > 16) {
		ELINK_DEBUG_P1(sc, "invalid xfer_cnt %d. Max is 16 bytes\n",
					xfer_cnt);
		return ELINK_STATUS_ERROR;
	}

	xfer_cnt = 16 - lc_addr;

	/* Enable the engine */
	val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
	val |= MCPR_IMC_COMMAND_ENABLE;
	REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);

	/* Program slave device ID */
	val = (sl_devid << 16) | sl_addr;
	REG_WR(sc, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);

	/* Start xfer with 0 byte to update the address pointer ???*/
	val = (MCPR_IMC_COMMAND_ENABLE) |
	      (MCPR_IMC_COMMAND_WRITE_OP <<
		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
	REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);

	/* Poll for completion */
	i = 0;
	val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
		DELAY(10);
		val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
		if (i++ > 1000) {
			ELINK_DEBUG_P1(sc, "wr 0 byte timed out after %d try\n",
								i);
			rc = ELINK_STATUS_TIMEOUT;
			break;
		}
	}
	if (rc == ELINK_STATUS_TIMEOUT)
		return rc;

	/* Start xfer with read op */
	val = (MCPR_IMC_COMMAND_ENABLE) |
		(MCPR_IMC_COMMAND_READ_OP <<
		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
		  (xfer_cnt);
	REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);

	/* Poll for completion */
	i = 0;
	val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
		DELAY(10);
		val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
		if (i++ > 1000) {
			ELINK_DEBUG_P1(sc, "rd op timed out after %d try\n", i);
			rc = ELINK_STATUS_TIMEOUT;
			break;
		}
	}
	if (rc == ELINK_STATUS_TIMEOUT)
		return rc;

	for (i = (lc_addr >> 2); i < 4; i++) {
		data_array[i] = REG_RD(sc, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
#ifdef __BIG_ENDIAN
		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
				((data_array[i] & 0x0000ff00) << 8) |
				((data_array[i] & 0x00ff0000) >> 8) |
				((data_array[i] & 0xff000000) >> 24);
#endif
	}
	return rc;
}

static void elink_cl45_read_or_write(struct bxe_softc *sc, struct elink_phy *phy,
				     uint8_t devad, uint16_t reg, uint16_t or_val)
{
	uint16_t val;
	elink_cl45_read(sc, phy, devad, reg, &val);
	elink_cl45_write(sc, phy, devad, reg, val | or_val);
}

static void elink_cl45_read_and_write(struct bxe_softc *sc,
				      struct elink_phy *phy,
				      uint8_t devad, uint16_t reg, uint16_t and_val)
{
	uint16_t val;
	elink_cl45_read(sc, phy, devad, reg, &val);
	elink_cl45_write(sc, phy, devad, reg, val & and_val);
}

elink_status_t elink_phy_read(struct elink_params *params, uint8_t phy_addr,
		   uint8_t devad, uint16_t reg, uint16_t *ret_val)
{
	uint8_t phy_index;
	/* Probe for the phy according to the given phy_addr, and execute
	 * the read request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return elink_cl45_read(params->sc,
					       &params->phy[phy_index], devad,
					       reg, ret_val);
		}
	}
	return ELINK_STATUS_ERROR;
}

elink_status_t elink_phy_write(struct elink_params *params, uint8_t phy_addr,
		    uint8_t devad, uint16_t reg, uint16_t val)
{
	uint8_t phy_index;
	/* Probe for the phy according to the given phy_addr, and execute
	 * the write request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return elink_cl45_write(params->sc,
						&params->phy[phy_index], devad,
						reg, val);
		}
	}
	return ELINK_STATUS_ERROR;
}

static uint8_t elink_get_warpcore_lane(struct elink_phy *phy,
				  struct elink_params *params)
{
	uint8_t lane = 0;
	struct bxe_softc *sc = params->sc;
	uint32_t path_swap, path_swap_ovr;
	uint8_t path, port;

	path = SC_PATH(sc);
	port = params->port;

	if (elink_is_4_port_mode(sc)) {
		uint32_t port_swap, port_swap_ovr;

		/* Figure out path swap value */
		path_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
		if (path_swap_ovr & 0x1)
			path_swap = (path_swap_ovr & 0x2);
		else
			path_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP);

		if (path_swap)
			path = path ^ 1;

		/* Figure out port swap value */
		port_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
		if (port_swap_ovr & 0x1)
			port_swap = (port_swap_ovr & 0x2);
		else
			port_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP);

		if (port_swap)
			port = port ^ 1;

		lane = (port<<1) + path;
	} else { /* Two port mode - no port swap */

		/* Figure out path swap value */
		path_swap_ovr =
			REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
		if (path_swap_ovr & 0x1) {
			path_swap = (path_swap_ovr & 0x2);
		} else {
			path_swap =
				REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP);
		}
		if (path_swap)
			path = path ^ 1;

		lane = path << 1 ;
	}
	return lane;
}


static void elink_set_aer_mmd(struct elink_params *params,
			      struct elink_phy *phy)
{
	uint32_t ser_lane;
	uint16_t offset, aer_val;
	struct bxe_softc *sc = params->sc;
	ser_lane = ((params->lane_config &
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
		(phy->addr + ser_lane) : 0;

	if (USES_WARPCORE(sc)) {
		aer_val = elink_get_warpcore_lane(phy, params);
		/* In Dual-lane mode, two lanes are joined together,
		 * so in order to configure them, the AER broadcast method is
		 * used here.
		 * 0x200 is the broadcast address for lanes 0,1
		 * 0x201 is the broadcast address for lanes 2,3
		 */
		if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
			aer_val = (aer_val >> 1) | 0x200;
	} else if (CHIP_IS_E2(sc))
		aer_val = 0x3800 + offset - 1;
	else
		aer_val = 0x3800 + offset;

	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, aer_val);

}

/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/

static void elink_set_serdes_access(struct bxe_softc *sc, uint8_t port)
{
	uint32_t emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;

	/* Set Clause 22 */
	REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
	REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
	DELAY(500);
	REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
	DELAY(500);
	 /* Set Clause 45 */
	REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
}

static void elink_serdes_deassert(struct bxe_softc *sc, uint8_t port)
{
	uint32_t val;

	ELINK_DEBUG_P0(sc, "elink_serdes_deassert\n");

	val = ELINK_SERDES_RESET_BITS << (port*16);

	/* Reset and unreset the SerDes/XGXS */
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
	DELAY(500);
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);

	elink_set_serdes_access(sc, port);

	REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
	       ELINK_DEFAULT_PHY_DEV_ADDR);
}

static void elink_xgxs_specific_func(struct elink_phy *phy,
				     struct elink_params *params,
				     uint32_t action)
{
	struct bxe_softc *sc = params->sc;
	switch (action) {
	case ELINK_PHY_INIT:
		/* Set correct devad */
		REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
		REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
		       phy->def_md_devad);
		break;
	}
}

static void elink_xgxs_deassert(struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port;
	uint32_t val;
	ELINK_DEBUG_P0(sc, "elink_xgxs_deassert\n");
	port = params->port;

	val = ELINK_XGXS_RESET_BITS << (port*16);

	/* Reset and unreset the SerDes/XGXS */
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
	DELAY(500);
	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
	elink_xgxs_specific_func(&params->phy[ELINK_INT_PHY], params,
				 ELINK_PHY_INIT);
}

static void elink_calc_ieee_aneg_adv(struct elink_phy *phy,
				     struct elink_params *params, uint16_t *ieee_fc)
{
	struct bxe_softc *sc = params->sc;
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
	/* Resolve pause mode and advertisement Please refer to Table
	 * 28B-3 of the 802.3ab-1999 spec
	 */

	switch (phy->req_flow_ctrl) {
	case ELINK_FLOW_CTRL_AUTO:
		switch (params->req_fc_auto_adv) {
		case ELINK_FLOW_CTRL_BOTH:
		case ELINK_FLOW_CTRL_RX:
			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
			break;
		case ELINK_FLOW_CTRL_TX:
			*ieee_fc |=
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
			break;
		default:
			break;
		}
		break;
	case ELINK_FLOW_CTRL_TX:
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		break;

	case ELINK_FLOW_CTRL_RX:
	case ELINK_FLOW_CTRL_BOTH:
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
		break;

	case ELINK_FLOW_CTRL_NONE:
	default:
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
		break;
	}
	ELINK_DEBUG_P1(sc, "ieee_fc = 0x%x\n", *ieee_fc);
}

static void set_phy_vars(struct elink_params *params,
			 struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t actual_phy_idx, phy_index, link_cfg_idx;
	uint8_t phy_config_swapped = params->multi_phy_config &
			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
		link_cfg_idx = ELINK_LINK_CONFIG_IDX(phy_index);
		actual_phy_idx = phy_index;
		if (phy_config_swapped) {
			if (phy_index == ELINK_EXT_PHY1)
				actual_phy_idx = ELINK_EXT_PHY2;
			else if (phy_index == ELINK_EXT_PHY2)
				actual_phy_idx = ELINK_EXT_PHY1;
		}
		params->phy[actual_phy_idx].req_flow_ctrl =
			params->req_flow_ctrl[link_cfg_idx];

		params->phy[actual_phy_idx].req_line_speed =
			params->req_line_speed[link_cfg_idx];

		params->phy[actual_phy_idx].speed_cap_mask =
			params->speed_cap_mask[link_cfg_idx];

		params->phy[actual_phy_idx].req_duplex =
			params->req_duplex[link_cfg_idx];

		if (params->req_line_speed[link_cfg_idx] ==
		    ELINK_SPEED_AUTO_NEG)
			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;

		ELINK_DEBUG_P3(sc, "req_flow_ctrl %x, req_line_speed %x,"
			   " speed_cap_mask %x\n",
			   params->phy[actual_phy_idx].req_flow_ctrl,
			   params->phy[actual_phy_idx].req_line_speed,
			   params->phy[actual_phy_idx].speed_cap_mask);
	}
}

static void elink_ext_phy_set_pause(struct elink_params *params,
				    struct elink_phy *phy,
				    struct elink_vars *vars)
{
	uint16_t val;
	struct bxe_softc *sc = params->sc;
	/* Read modify write pause advertizing */
	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);

	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;

	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
	}
	ELINK_DEBUG_P1(sc, "Ext phy AN advertize 0x%x\n", val);
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
}

static void elink_pause_resolve(struct elink_phy *phy,
				struct elink_params *params,
				struct elink_vars *vars,
				uint32_t pause_result)
{
	struct bxe_softc *sc = params->sc;
						/*  LD	    LP	 */
	switch (pause_result) {			/* ASYM P ASYM P */
	case 0xb:				/*   1  0   1  1 */
		ELINK_DEBUG_P0(sc, "Flow Control: TX only\n");
		vars->flow_ctrl = ELINK_FLOW_CTRL_TX;
		break;

	case 0xe:				/*   1  1   1  0 */
		ELINK_DEBUG_P0(sc, "Flow Control: RX only\n");
		vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
		break;

	case 0x5:				/*   0  1   0  1 */
	case 0x7:				/*   0  1   1  1 */
	case 0xd:				/*   1  1   0  1 */
	case 0xf:				/*   1  1   1  1 */
		/* If the user selected to advertise RX ONLY,
		 * although we advertised both, need to enable
		 * RX only.
		 */

		if (params->req_fc_auto_adv == ELINK_FLOW_CTRL_BOTH) {
			ELINK_DEBUG_P0(sc, "Flow Control: RX & TX\n");
		vars->flow_ctrl = ELINK_FLOW_CTRL_BOTH;
		} else {
			ELINK_DEBUG_P0(sc, "Flow Control: RX only\n");
			vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
		}
		break;
	default:
		ELINK_DEBUG_P0(sc, "Flow Control: None\n");
		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
		break;
	}
	if (pause_result & (1<<0))
		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
	if (pause_result & (1<<1))
		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;

}

static void elink_ext_phy_update_adv_fc(struct elink_phy *phy,
					struct elink_params *params,
					struct elink_vars *vars)
{
	uint16_t ld_pause;		/* local */
	uint16_t lp_pause;		/* link partner */
	uint16_t pause_result;
	struct bxe_softc *sc = params->sc;
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
		elink_cl22_read(sc, phy, 0x4, &ld_pause);
		elink_cl22_read(sc, phy, 0x5, &lp_pause);
	} else if (CHIP_IS_E3(sc) &&
		ELINK_SINGLE_MEDIA_DIRECT(params)) {
		uint8_t lane = elink_get_warpcore_lane(phy, params);
		uint16_t gp_status, gp_mask;
		elink_cl45_read(sc, phy,
				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
				&gp_status);
		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
			lane;
		if ((gp_status & gp_mask) == gp_mask) {
			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
		} else {
			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
			ld_pause = ((ld_pause &
				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
				    << 3);
			lp_pause = ((lp_pause &
				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
				    << 3);
		}
	} else {
		elink_cl45_read(sc, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
		elink_cl45_read(sc, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
	}
	pause_result = (ld_pause &
			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
	pause_result |= (lp_pause &
			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
	ELINK_DEBUG_P1(sc, "Ext PHY pause result 0x%x\n", pause_result);
	elink_pause_resolve(phy, params, vars, pause_result);

}

static uint8_t elink_ext_phy_resolve_fc(struct elink_phy *phy,
				   struct elink_params *params,
				   struct elink_vars *vars)
{
	uint8_t ret = 0;
	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
	if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
		/* Update the advertised flow-controled of LD/LP in AN */
		if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
			elink_ext_phy_update_adv_fc(phy, params, vars);
		/* But set the flow-control result as the requested one */
		vars->flow_ctrl = phy->req_flow_ctrl;
	} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
		elink_ext_phy_update_adv_fc(phy, params, vars);
	}
	return ret;
}
/******************************************************************/
/*			Warpcore section			  */
/******************************************************************/
/* The init_internal_warpcore should mirror the xgxs,
 * i.e. reset the lane (if needed), set aer for the
 * init configuration, and set/clear SGMII flag. Internal
 * phy init is done purely in phy_init stage.
 */
#define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
	 (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))

#define WC_TX_FIR(post, main, pre) \
	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))

static void elink_update_link_attr(struct elink_params *params, uint32_t link_attr)
{
	struct bxe_softc *sc = params->sc;

	if (SHMEM2_HAS(sc, link_attr_sync))
		REG_WR(sc, params->shmem2_base +
		       offsetof(struct shmem2_region,
				link_attr_sync[params->port]), link_attr);
}

static void elink_warpcore_enable_AN_KR2(struct elink_phy *phy,
					 struct elink_params *params,
					 struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t i;
	static struct elink_reg_set reg_set[] = {
		/* Step 1 - Program the TX/RX alignment markers */
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
		/* Step 2 - Configure the NP registers */
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
	};
	ELINK_DEBUG_P0(sc, "Enabling 20G-KR2\n");

	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));

	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
				 reg_set[i].val);

	/* Start KR2 work-around timer which handles BCM8073 link-parner */
	params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
	elink_update_link_attr(params, params->link_attr_sync);
}

static void elink_disable_kr2(struct elink_params *params,
			      struct elink_vars *vars,
			      struct elink_phy *phy)
{
	struct bxe_softc *sc = params->sc;
	int i;
	static struct elink_reg_set reg_set[] = {
		/* Step 1 - Program the TX/RX alignment markers */
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
	};
	ELINK_DEBUG_P0(sc, "Disabling 20G-KR2\n");

	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
				 reg_set[i].val);
	params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
	elink_update_link_attr(params, params->link_attr_sync);

	vars->check_kr2_recovery_cnt = ELINK_CHECK_KR2_RECOVERY_CNT;
}

static void elink_warpcore_set_lpi_passthrough(struct elink_phy *phy,
					       struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;

	ELINK_DEBUG_P0(sc, "Configure WC for LPI pass through\n");
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
}

static void elink_warpcore_restart_AN_KR(struct elink_phy *phy,
					 struct elink_params *params)
{
	/* Restart autoneg on the leading lane only */
	struct bxe_softc *sc = params->sc;
	uint16_t lane = elink_get_warpcore_lane(phy, params);
	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, lane);
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);

	/* Restore AER */
	elink_set_aer_mmd(params, phy);
}

static void elink_warpcore_enable_AN_KR(struct elink_phy *phy,
					struct elink_params *params,
					struct elink_vars *vars) {
	uint16_t lane, i, cl72_ctrl, an_adv = 0, val;
	uint32_t wc_lane_config;
	struct bxe_softc *sc = params->sc;
	static struct elink_reg_set reg_set[] = {
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
		/* Disable Autoneg: re-enable it after adv is done. */
		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
	};
	ELINK_DEBUG_P0(sc, "Enable Auto Negotiation for KR\n");
	/* Set to default registers that may be overriden by 10G force */
	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
				 reg_set[i].val);

	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
	cl72_ctrl &= 0x08ff;
	cl72_ctrl |= 0x3800;
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);

	/* Check adding advertisement for 1G KX */
	if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (vars->line_speed == ELINK_SPEED_1000)) {
		uint16_t addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
		an_adv |= (1<<5);

		/* Enable CL37 1G Parallel Detect */
		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, addr, 0x1);
		ELINK_DEBUG_P0(sc, "Advertize 1G\n");
	}
	if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
	    (vars->line_speed ==  ELINK_SPEED_10000)) {
		/* Check adding advertisement for 10G KR */
		an_adv |= (1<<7);
		/* Enable 10G Parallel Detect */
		CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
				  MDIO_AER_BLOCK_AER_REG, 0);

		elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
		elink_set_aer_mmd(params, phy);
		ELINK_DEBUG_P0(sc, "Advertize 10G\n");
	}

	/* Set Transmit PMD settings */
	lane = elink_get_warpcore_lane(phy, params);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
			 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
	/* Configure the next lane if dual mode */
	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
				 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
			 0x03f0);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
			 0x03f0);

	/* Advertised speeds */
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);

	/* Advertised and set FEC (Forward Error Correction) */
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));

	/* Enable CL37 BAM */
	if (REG_RD(sc, params->shmem_base +
		   offsetof(struct shmem_region, dev_info.
			    port_hw_config[params->port].default_cfg)) &
	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
					 1);
		ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR\n");
	}

	/* Advertise pause */
	elink_ext_phy_set_pause(params, phy, vars);
	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);

	/* Over 1G - AN local device user page 1 */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);

	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
	    (phy->req_line_speed == ELINK_SPEED_20000)) {

		CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
				  MDIO_AER_BLOCK_AER_REG, lane);

		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
					 (1<<11));

		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
		elink_set_aer_mmd(params, phy);

		elink_warpcore_enable_AN_KR2(phy, params, vars);
	} else {
		/* Enable Auto-Detect to support 1G over CL37 as well */
		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
		wc_lane_config = REG_RD(sc, params->shmem_base +
					offsetof(struct shmem_region, dev_info.
					shared_hw_config.wc_lane_config));
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
		 * parallel-detect loop when CL73 and CL37 are enabled.
		 */
		val |= 1 << 11;

		/* Restore Polarity settings in case it was run over by
		 * previous link owner
		 */
		if (wc_lane_config &
		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
			val |= 3 << 2;
		else
			val &= ~(3 << 2);
		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
				 val);

		elink_disable_kr2(params, vars, phy);
	}

	/* Enable Autoneg: only on the main lane */
	elink_warpcore_restart_AN_KR(phy, params);
}

static void elink_warpcore_set_10G_KR(struct elink_phy *phy,
				      struct elink_params *params,
				      struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val16, i, lane;
	static struct elink_reg_set reg_set[] = {
		/* Disable Autoneg */
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
			0x3f00},
		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
		/* Leave cl72 training enable, needed for KR */
		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
	};

	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
				 reg_set[i].val);

	lane = elink_get_warpcore_lane(phy, params);
	/* Global registers */
	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0);
	/* Disable CL36 PCS Tx */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
	val16 &= ~(0x0011 << lane);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);

	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
	val16 |= (0x0303 << (lane << 1));
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
	/* Restore AER */
	elink_set_aer_mmd(params, phy);
	/* Set speed via PMA/PMD register */
	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);

	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);

	/* Enable encoded forced speed */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);

	/* Turn TX scramble payload only the 64/66 scrambler */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX66_CONTROL, 0x9);

	/* Turn RX scramble payload only the 64/66 scrambler */
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_RX66_CONTROL, 0xF9);

	/* Set and clear loopback to cause a reset to 64/66 decoder */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);

}

static void elink_warpcore_set_10G_XFI(struct elink_phy *phy,
				       struct elink_params *params,
				       uint8_t is_xfi)
{
	struct bxe_softc *sc = params->sc;
	uint16_t misc1_val, tap_val, tx_driver_val, lane, val;
	uint32_t cfg_tap_val, tx_drv_brdct, tx_equal;
	uint32_t ifir_val, ipost2_val, ipre_driver_val;
	/* Hold rxSeqStart */
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);

	/* Hold tx_fifo_reset */
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);

	/* Disable CL73 AN */
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);

	/* Disable 100FX Enable and Auto-Detect */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);

	/* Disable 100FX Idle detect */
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_FX100_CTRL3, 0x0080);

	/* Set Block address to Remote PHY & Clear forced_speed[5] */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);

	/* Turn off auto-detect & fiber mode */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
				  0xFFEE);

	/* Set filter_force_link, disable_false_link and parallel_detect */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			 ((val | 0x0006) & 0xFFFE));

	/* Set XFI / SFI */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);

	misc1_val &= ~(0x1f);

	if (is_xfi) {
		misc1_val |= 0x5;
		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
	} else {
		cfg_tap_val = REG_RD(sc, params->shmem_base +
				     offsetof(struct shmem_region, dev_info.
					      port_hw_config[params->port].
					      sfi_tap_values));

		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;

		misc1_val |= 0x9;

		/* TAP values are controlled by nvram, if value there isn't 0 */
		if (tx_equal)
			tap_val = (uint16_t)tx_equal;
		else
			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);

		ifir_val = DEFAULT_TX_DRV_IFIR;
		ipost2_val = DEFAULT_TX_DRV_POST2;
		ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
		tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;

		/* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
		 * configuration.
		 */
		if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
				   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
				   PORT_HW_CFG_TX_DRV_POST2_MASK)) {
			ifir_val = (cfg_tap_val &
				    PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
				PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
			ipre_driver_val = (cfg_tap_val &
					   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
			>> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
			ipost2_val = (cfg_tap_val &
				      PORT_HW_CFG_TX_DRV_POST2_MASK) >>
				PORT_HW_CFG_TX_DRV_POST2_SHIFT;
		}

		if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
			tx_drv_brdct = (cfg_tap_val &
					PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
				PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
		}

		tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
					     ipre_driver_val, ifir_val);
	}
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);

	/* Set Transmit PMD settings */
	lane = elink_get_warpcore_lane(phy, params);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX_FIR_TAP,
			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
			 tx_driver_val);

	/* Enable fiber mode, enable and invert sig_det */
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);

	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);

	elink_warpcore_set_lpi_passthrough(phy, params);

	/* 10G XFI Full Duplex */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);

	/* Release tx_fifo_reset */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
				  0xFFFE);
	/* Release rxSeqStart */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
}

static void elink_warpcore_set_20G_force_KR2(struct elink_phy *phy,
					     struct elink_params *params)
{
	uint16_t val;
	struct bxe_softc *sc = params->sc;
	/* Set global registers, so set AER lane to 0 */
	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0);

	/* Disable sequencer */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));

	elink_set_aer_mmd(params, phy);

	elink_cl45_read_and_write(sc, phy, MDIO_PMA_DEVAD,
				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
			 MDIO_AN_REG_CTRL, 0);
	/* Turn off CL73 */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
	val &= ~(1<<5);
	val |= (1<<6);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL73_USERB0_CTRL, val);

	/* Set 20G KR2 force speed */
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);

	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));

	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
	val &= ~(3<<14);
	val |= (1<<15);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);

	/* Enable sequencer (over lane 0) */
	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0);

	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));

	elink_set_aer_mmd(params, phy);
}

static void elink_warpcore_set_20G_DXGXS(struct bxe_softc *sc,
					 struct elink_phy *phy,
					 uint16_t lane)
{
	/* Rx0 anaRxControl1G */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);

	/* Rx2 anaRxControl1G */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW0, 0xE070);

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW3, 0x8090);

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);

	/* Serdes Digital Misc1 */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);

	/* Serdes Digital4 Misc3 */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);

	/* Set Transmit PMD settings */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX_FIR_TAP,
			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
			 WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
}

static void elink_warpcore_set_sgmii_speed(struct elink_phy *phy,
					   struct elink_params *params,
					   uint8_t fiber_mode,
					   uint8_t always_autoneg)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val16, digctrl_kx1, digctrl_kx2;

	/* Clear XFI clock comp in non-10G single lane mode. */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));

	elink_warpcore_set_lpi_passthrough(phy, params);

	if (always_autoneg || phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
		/* SGMII Autoneg */
		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
					 0x1000);
		ELINK_DEBUG_P0(sc, "set SGMII AUTONEG\n");
	} else {
		if (fiber_mode && (phy->req_line_speed == ELINK_SPEED_2500) &&
		    (phy->speed_cap_mask &
		     (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))) {
			elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_SERDESDIGITAL_MISC1,
					 0x6010);
		}

		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
		val16 &= 0xcebf;
		switch (phy->req_line_speed) {
		case ELINK_SPEED_10:
			break;
		case ELINK_SPEED_100:
			val16 |= 0x2000;
			break;
		case ELINK_SPEED_1000:
		case ELINK_SPEED_2500:
			val16 |= 0x0040;
			break;
		default:
			ELINK_DEBUG_P1(sc,
			   "Speed not supported: 0x%x\n", phy->req_line_speed);
			return;
		}

		if (phy->req_duplex == DUPLEX_FULL)
			val16 |= 0x0100;

		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);

		ELINK_DEBUG_P1(sc, "set SGMII force speed %d\n",
			       phy->req_line_speed);
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
		ELINK_DEBUG_P1(sc, "  (readback) %x\n", val16);
	}

	/* SGMII Slave mode and disable signal detect */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
	if (fiber_mode)
		digctrl_kx1 = 1;
	else
		digctrl_kx1 &= 0xff4a;

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			digctrl_kx1);

	/* Turn off parallel detect */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			(digctrl_kx2 & ~(1<<2)));

	/* Re-enable parallel detect */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			(digctrl_kx2 | (1<<2)));

	/* Enable autodet */
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			(digctrl_kx1 | 0x10));
}


static void elink_warpcore_reset_lane(struct bxe_softc *sc,
				      struct elink_phy *phy,
				      uint8_t reset)
{
	uint16_t val;
	/* Take lane out of reset after configuration is finished */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL5_MISC6, &val);
	if (reset)
		val |= 0xC000;
	else
		val &= 0x3FFF;
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL5_MISC6, val);
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
}

/* Clear SFI/XFI link settings registers */
static void elink_warpcore_clear_regs(struct elink_phy *phy,
				      struct elink_params *params,
				      uint16_t lane)
{
	struct bxe_softc *sc = params->sc;
	uint16_t i;
	static struct elink_reg_set wc_regs[] = {
		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			0x0195},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			0x0007},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
			0x0002},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
	};
	/* Set XFI clock comp as default. */
	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_RX66_CONTROL, (3<<13));

	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
		elink_cl45_write(sc, phy, wc_regs[i].devad, wc_regs[i].reg,
				 wc_regs[i].val);

	lane = elink_get_warpcore_lane(phy, params);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);

}

static elink_status_t elink_get_mod_abs_int_cfg(struct bxe_softc *sc,
						uint32_t chip_id,
						uint32_t shmem_base, uint8_t port,
						uint8_t *gpio_num, uint8_t *gpio_port)
{
	uint32_t cfg_pin;
	*gpio_num = 0;
	*gpio_port = 0;
	if (CHIP_IS_E3(sc)) {
		cfg_pin = (REG_RD(sc, shmem_base +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
				PORT_HW_CFG_E3_MOD_ABS_SHIFT;

		/* Should not happen. This function called upon interrupt
		 * triggered by GPIO ( since EPIO can only generate interrupts
		 * to MCP).
		 * So if this function was called and none of the GPIOs was set,
		 * it means the shit hit the fan.
		 */
		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
			ELINK_DEBUG_P1(sc,
			   "No cfg pin %x for module detect indication\n",
			   cfg_pin);
			return ELINK_STATUS_ERROR;
		}

		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
	} else {
		*gpio_num = MISC_REGISTERS_GPIO_3;
		*gpio_port = port;
	}

	return ELINK_STATUS_OK;
}

static int elink_is_sfp_module_plugged(struct elink_phy *phy,
				       struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint8_t gpio_num, gpio_port;
	uint32_t gpio_val;
	if (elink_get_mod_abs_int_cfg(sc, params->chip_id,
				      params->shmem_base, params->port,
				      &gpio_num, &gpio_port) != ELINK_STATUS_OK)
		return 0;
	gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);

	/* Call the handling function in case module is detected */
	if (gpio_val == 0)
		return 1;
	else
		return 0;
}
static int elink_warpcore_get_sigdet(struct elink_phy *phy,
				     struct elink_params *params)
{
	uint16_t gp2_status_reg0, lane;
	struct bxe_softc *sc = params->sc;

	lane = elink_get_warpcore_lane(phy, params);

	elink_cl45_read(sc, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
				 &gp2_status_reg0);

	return (gp2_status_reg0 >> (8+lane)) & 0x1;
}

static void elink_warpcore_config_runtime(struct elink_phy *phy,
					  struct elink_params *params,
					  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint32_t serdes_net_if;
	uint16_t gp_status1 = 0, lnkup = 0, lnkup_kr = 0;

	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;

	if (!vars->turn_to_run_wc_rt)
		return;

	if (vars->rx_tx_asic_rst) {
		uint16_t lane = elink_get_warpcore_lane(phy, params);
		serdes_net_if = (REG_RD(sc, params->shmem_base +
				offsetof(struct shmem_region, dev_info.
				port_hw_config[params->port].default_cfg)) &
				PORT_HW_CFG_NET_SERDES_IF_MASK);

		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Do we get link yet? */
			elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 0x81d1,
					&gp_status1);
			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
				/*10G KR*/
			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;

			if (lnkup_kr || lnkup) {
				vars->rx_tx_asic_rst = 0;
			} else {
				/* Reset the lane to see if link comes up.*/
				elink_warpcore_reset_lane(sc, phy, 1);
				elink_warpcore_reset_lane(sc, phy, 0);

				/* Restart Autoneg */
				elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);

				vars->rx_tx_asic_rst--;
				ELINK_DEBUG_P1(sc, "0x%x retry left\n",
				vars->rx_tx_asic_rst);
			}
			break;

		default:
			break;
		}

	} /*params->rx_tx_asic_rst*/

}
static void elink_warpcore_config_sfi(struct elink_phy *phy,
				      struct elink_params *params)
{
	uint16_t lane = elink_get_warpcore_lane(phy, params);
	struct bxe_softc *sc = params->sc;
	elink_warpcore_clear_regs(phy, params, lane);
	if ((params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)] ==
	     ELINK_SPEED_10000) &&
	    (phy->media_type != ELINK_ETH_PHY_SFP_1G_FIBER)) {
		ELINK_DEBUG_P0(sc, "Setting 10G SFI\n");
		elink_warpcore_set_10G_XFI(phy, params, 0);
	} else {
		ELINK_DEBUG_P0(sc, "Setting 1G Fiber\n");
		elink_warpcore_set_sgmii_speed(phy, params, 1, 0);
	}
}

static void elink_sfp_e3_set_transmitter(struct elink_params *params,
					 struct elink_phy *phy,
					 uint8_t tx_en)
{
	struct bxe_softc *sc = params->sc;
	uint32_t cfg_pin;
	uint8_t port = params->port;

	cfg_pin = REG_RD(sc, params->shmem_base +
			 offsetof(struct shmem_region,
				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
		PORT_HW_CFG_E3_TX_LASER_MASK;
	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
	ELINK_DEBUG_P1(sc, "Setting WC TX to %d\n", tx_en);

	/* For 20G, the expected pin to be used is 3 pins after the current */
	elink_set_cfg_pin(sc, cfg_pin, tx_en ^ 1);
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
		elink_set_cfg_pin(sc, cfg_pin + 3, tx_en ^ 1);
}

static void elink_warpcore_config_init(struct elink_phy *phy,
				       struct elink_params *params,
				       struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint32_t serdes_net_if;
	uint8_t fiber_mode;
	uint16_t lane = elink_get_warpcore_lane(phy, params);
	serdes_net_if = (REG_RD(sc, params->shmem_base +
			 offsetof(struct shmem_region, dev_info.
				  port_hw_config[params->port].default_cfg)) &
			 PORT_HW_CFG_NET_SERDES_IF_MASK);
	ELINK_DEBUG_P2(sc, "Begin Warpcore init, link_speed %d, "
			   "serdes_net_if = 0x%x\n",
		       vars->line_speed, serdes_net_if);
	elink_set_aer_mmd(params, phy);
	elink_warpcore_reset_lane(sc, phy, 1);
	vars->phy_flags |= PHY_XGXS_FLAG;
	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
	    (phy->req_line_speed &&
	     ((phy->req_line_speed == ELINK_SPEED_100) ||
	      (phy->req_line_speed == ELINK_SPEED_10)))) {
		vars->phy_flags |= PHY_SGMII_FLAG;
		ELINK_DEBUG_P0(sc, "Setting SGMII mode\n");
		elink_warpcore_clear_regs(phy, params, lane);
		elink_warpcore_set_sgmii_speed(phy, params, 0, 1);
	} else {
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Enable KR Auto Neg */
			if (params->loopback_mode != ELINK_LOOPBACK_EXT)
				elink_warpcore_enable_AN_KR(phy, params, vars);
			else {
				ELINK_DEBUG_P0(sc, "Setting KR 10G-Force\n");
				elink_warpcore_set_10G_KR(phy, params, vars);
			}
			break;

		case PORT_HW_CFG_NET_SERDES_IF_XFI:
			elink_warpcore_clear_regs(phy, params, lane);
			if (vars->line_speed == ELINK_SPEED_10000) {
				ELINK_DEBUG_P0(sc, "Setting 10G XFI\n");
				elink_warpcore_set_10G_XFI(phy, params, 1);
			} else {
				if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
					ELINK_DEBUG_P0(sc, "1G Fiber\n");
					fiber_mode = 1;
				} else {
					ELINK_DEBUG_P0(sc, "10/100/1G SGMII\n");
					fiber_mode = 0;
				}
				elink_warpcore_set_sgmii_speed(phy,
								params,
								fiber_mode,
								0);
			}

			break;

		case PORT_HW_CFG_NET_SERDES_IF_SFI:
			/* Issue Module detection if module is plugged, or
			 * enabled transmitter to avoid current leakage in case
			 * no module is connected
			 */
			if ((params->loopback_mode == ELINK_LOOPBACK_NONE) ||
			    (params->loopback_mode == ELINK_LOOPBACK_EXT)) {
				if (elink_is_sfp_module_plugged(phy, params))
					elink_sfp_module_detection(phy, params);
				else
					elink_sfp_e3_set_transmitter(params,
								     phy, 1);
			}

			elink_warpcore_config_sfi(phy, params);
			break;

		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
			if (vars->line_speed != ELINK_SPEED_20000) {
				ELINK_DEBUG_P0(sc, "Speed not supported yet\n");
				return;
			}
			ELINK_DEBUG_P0(sc, "Setting 20G DXGXS\n");
			elink_warpcore_set_20G_DXGXS(sc, phy, lane);
			/* Issue Module detection */

			elink_sfp_module_detection(phy, params);
			break;
		case PORT_HW_CFG_NET_SERDES_IF_KR2:
			if (!params->loopback_mode) {
				elink_warpcore_enable_AN_KR(phy, params, vars);
			} else {
				ELINK_DEBUG_P0(sc, "Setting KR 20G-Force\n");
				elink_warpcore_set_20G_force_KR2(phy, params);
			}
			break;
		default:
			ELINK_DEBUG_P1(sc,
			   "Unsupported Serdes Net Interface 0x%x\n",
			   serdes_net_if);
			return;
		}
	}

	/* Take lane out of reset after configuration is finished */
	elink_warpcore_reset_lane(sc, phy, 0);
	ELINK_DEBUG_P0(sc, "Exit config init\n");
}

static void elink_warpcore_link_reset(struct elink_phy *phy,
				      struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val16, lane;
	elink_sfp_e3_set_transmitter(params, phy, 0);
	elink_set_mdio_emac_per_phy(sc, params);
	elink_set_aer_mmd(params, phy);
	/* Global register */
	elink_warpcore_reset_lane(sc, phy, 1);

	/* Clear loopback settings (if any) */
	/* 10G & 20G */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);

	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);

	/* Update those 1-copy registers */
	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0);
	/* Enable 1G MDIO (1-copy) */
	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
				  ~0x10);

	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
	lane = elink_get_warpcore_lane(phy, params);
	/* Disable CL36 PCS Tx */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
	val16 |= (0x11 << lane);
	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
		val16 |= (0x22 << lane);
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);

	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
	val16 &= ~(0x0303 << (lane << 1));
	val16 |= (0x0101 << (lane << 1));
	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) {
		val16 &= ~(0x0c0c << (lane << 1));
		val16 |= (0x0404 << (lane << 1));
	}

	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
	/* Restore AER */
	elink_set_aer_mmd(params, phy);

}

static void elink_set_warpcore_loopback(struct elink_phy *phy,
					struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val16;
	uint32_t lane;
	ELINK_DEBUG_P2(sc, "Setting Warpcore loopback type %x, speed %d\n",
		       params->loopback_mode, phy->req_line_speed);

	if (phy->req_line_speed < ELINK_SPEED_10000 ||
	    phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
		/* 10/100/1000/20G-KR2 */

		/* Update those 1-copy registers */
		CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
				  MDIO_AER_BLOCK_AER_REG, 0);
		/* Enable 1G MDIO (1-copy) */
		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
					 0x10);
		/* Set 1G loopback based on lane (1-copy) */
		lane = elink_get_warpcore_lane(phy, params);
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
		val16 |= (1<<lane);
		if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
			val16 |= (2<<lane);
		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
				 val16);

		/* Switch back to 4-copy registers */
		elink_set_aer_mmd(params, phy);
	} else {
		/* 10G / 20G-DXGXS */
		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
					 0x4000);
		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
	}
}



static void elink_sync_link(struct elink_params *params,
			     struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t link_10g_plus;
	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
	if (vars->link_up) {
		ELINK_DEBUG_P0(sc, "phy link up\n");
		ELINK_DEBUG_P1(sc, "link status = %x\n", vars->link_status);

		vars->phy_link_up = 1;
		vars->duplex = DUPLEX_FULL;
		switch (vars->link_status &
			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
		case ELINK_LINK_10THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case ELINK_LINK_10TFD:
			vars->line_speed = ELINK_SPEED_10;
			break;

		case ELINK_LINK_100TXHD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case ELINK_LINK_100T4:
		case ELINK_LINK_100TXFD:
			vars->line_speed = ELINK_SPEED_100;
			break;

		case ELINK_LINK_1000THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case ELINK_LINK_1000TFD:
			vars->line_speed = ELINK_SPEED_1000;
			break;

		case ELINK_LINK_2500THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case ELINK_LINK_2500TFD:
			vars->line_speed = ELINK_SPEED_2500;
			break;

		case ELINK_LINK_10GTFD:
			vars->line_speed = ELINK_SPEED_10000;
			break;
		case ELINK_LINK_20GTFD:
			vars->line_speed = ELINK_SPEED_20000;
			break;
		default:
			break;
		}
		vars->flow_ctrl = 0;
		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
			vars->flow_ctrl |= ELINK_FLOW_CTRL_TX;

		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
			vars->flow_ctrl |= ELINK_FLOW_CTRL_RX;

		if (!vars->flow_ctrl)
			vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;

		if (vars->line_speed &&
		    ((vars->line_speed == ELINK_SPEED_10) ||
		     (vars->line_speed == ELINK_SPEED_100))) {
			vars->phy_flags |= PHY_SGMII_FLAG;
		} else {
			vars->phy_flags &= ~PHY_SGMII_FLAG;
		}
		if (vars->line_speed &&
		    USES_WARPCORE(sc) &&
		    (vars->line_speed == ELINK_SPEED_1000))
			vars->phy_flags |= PHY_SGMII_FLAG;
		/* Anything 10 and over uses the bmac */
		link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);

		if (link_10g_plus) {
			if (USES_WARPCORE(sc))
				vars->mac_type = ELINK_MAC_TYPE_XMAC;
			else
				vars->mac_type = ELINK_MAC_TYPE_BMAC;
		} else {
			if (USES_WARPCORE(sc))
				vars->mac_type = ELINK_MAC_TYPE_UMAC;
			else
				vars->mac_type = ELINK_MAC_TYPE_EMAC;
		}
	} else { /* Link down */
		ELINK_DEBUG_P0(sc, "phy link down\n");

		vars->phy_link_up = 0;

		vars->line_speed = 0;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;

		/* Indicate no mac active */
		vars->mac_type = ELINK_MAC_TYPE_NONE;
		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
	}
}

void elink_link_status_update(struct elink_params *params,
			      struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	uint32_t sync_offset, media_types;
	/* Update PHY configuration */
	set_phy_vars(params, vars);

	vars->link_status = REG_RD(sc, params->shmem_base +
				   offsetof(struct shmem_region,
					    port_mb[port].link_status));

	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
	if (params->loopback_mode != ELINK_LOOPBACK_NONE &&
	    params->loopback_mode != ELINK_LOOPBACK_EXT)
		vars->link_status |= LINK_STATUS_LINK_UP;

	if (elink_eee_has_cap(params))
		vars->eee_status = REG_RD(sc, params->shmem2_base +
					  offsetof(struct shmem2_region,
						   eee_status[params->port]));

	vars->phy_flags = PHY_XGXS_FLAG;
	elink_sync_link(params, vars);
	/* Sync media type */
	sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].media_type);
	media_types = REG_RD(sc, sync_offset);

	params->phy[ELINK_INT_PHY].media_type =
		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
	params->phy[ELINK_EXT_PHY1].media_type =
		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
	params->phy[ELINK_EXT_PHY2].media_type =
		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
	ELINK_DEBUG_P1(sc, "media_types = 0x%x\n", media_types);

	/* Sync AEU offset */
	sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].aeu_int_mask);

	vars->aeu_int_mask = REG_RD(sc, sync_offset);

	/* Sync PFC status */
	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
		params->feature_config_flags |=
					ELINK_FEATURE_CONFIG_PFC_ENABLED;
	else
		params->feature_config_flags &=
					~ELINK_FEATURE_CONFIG_PFC_ENABLED;

	if (SHMEM2_HAS(sc, link_attr_sync))
		params->link_attr_sync = SHMEM2_RD(sc,
						 link_attr_sync[params->port]);

	ELINK_DEBUG_P3(sc, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
	ELINK_DEBUG_P3(sc, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
		 vars->line_speed, vars->duplex, vars->flow_ctrl);
}

static void elink_set_master_ln(struct elink_params *params,
				struct elink_phy *phy)
{
	struct bxe_softc *sc = params->sc;
	uint16_t new_master_ln, ser_lane;
	ser_lane = ((params->lane_config &
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

	/* Set the master_ln for AN */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);

	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
}

static elink_status_t elink_reset_unicore(struct elink_params *params,
			       struct elink_phy *phy,
			       uint8_t set_serdes)
{
	struct bxe_softc *sc = params->sc;
	uint16_t mii_control;
	uint16_t i;
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);

	/* Reset the unicore */
	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
	if (set_serdes)
		elink_set_serdes_access(sc, params->port);

	/* Wait for the reset to self clear */
	for (i = 0; i < ELINK_MDIO_ACCESS_TIMEOUT; i++) {
		DELAY(5);

		/* The reset erased the previous bank value */
		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			DELAY(5);
			return ELINK_STATUS_OK;
		}
	}

	elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized,"
			     // " Port %d\n",

	ELINK_DEBUG_P0(sc, "BUG! XGXS is still in reset!\n");
	return ELINK_STATUS_ERROR;

}

static void elink_set_swap_lanes(struct elink_params *params,
				 struct elink_phy *phy)
{
	struct bxe_softc *sc = params->sc;
	/* Each two bits represents a lane number:
	 * No swap is 0123 => 0x1b no need to enable the swap
	 */
	uint16_t rx_lane_swap, tx_lane_swap;

	rx_lane_swap = ((params->lane_config &
			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
	tx_lane_swap = ((params->lane_config &
			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);

	if (rx_lane_swap != 0x1b) {
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
				  (rx_lane_swap |
				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
	} else {
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
	}

	if (tx_lane_swap != 0x1b) {
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				  (tx_lane_swap |
				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
	} else {
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
	}
}

static void elink_set_parallel_detection(struct elink_phy *phy,
					 struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t control2;
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	ELINK_DEBUG_P2(sc, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);

	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
	     (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
		ELINK_DEBUG_P0(sc, "XGXS\n");

		CL22_WR_OVER_CL45(sc, phy,
				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);

		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  &control2);


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);

		/* Disable parallel detection of HiG */
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
	}
}

static void elink_set_autoneg(struct elink_phy *phy,
			      struct elink_params *params,
			      struct elink_vars *vars,
			      uint8_t enable_cl73)
{
	struct bxe_softc *sc = params->sc;
	uint16_t reg_val;

	/* CL37 Autoneg */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);

	/* CL37 Autoneg Enabled */
	if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
	else /* CL37 Autoneg Disabled */
		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);

	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);

	/* Enable/Disable Autodetection */

	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
	if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
	else
		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;

	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);

	/* Enable TetonII and BAM autoneg */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  &reg_val);
	if (vars->line_speed == ELINK_SPEED_AUTO_NEG) {
		/* Enable BAM aneg Mode and TetonII aneg Mode */
		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
	} else {
		/* TetonII and BAM Autoneg Disabled */
		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
	}
	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);

	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);

		/* Enable BAM Station Manager*/
		CL22_WR_OVER_CL45(sc, phy,
			MDIO_REG_BANK_CL73_USERB0,
			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);

		/* Advertise CL73 link speeds */
		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
		if (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
		if (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;

		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);

		/* CL73 Autoneg Enabled */
		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;

	} else /* CL73 Autoneg Disabled */
		reg_val = 0;

	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
}

/* Program SerDes, forced speed */
static void elink_program_serdes(struct elink_phy *phy,
				 struct elink_params *params,
				 struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t reg_val;

	/* Program duplex, disable autoneg and sgmii*/
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
	if (phy->req_duplex == DUPLEX_FULL)
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);

	/* Program speed
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
	/* Clearing the speed value before setting the right speed */
	ELINK_DEBUG_P1(sc, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);

	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);

	if (!((vars->line_speed == ELINK_SPEED_1000) ||
	      (vars->line_speed == ELINK_SPEED_100) ||
	      (vars->line_speed == ELINK_SPEED_10))) {

		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
		if (vars->line_speed == ELINK_SPEED_10000)
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
	}

	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);

}

static void elink_set_brcm_cl37_advertisement(struct elink_phy *phy,
					      struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val = 0;

	/* Set extended capabilities */
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
		val |= MDIO_OVER_1G_UP1_2_5G;
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
		val |= MDIO_OVER_1G_UP1_10G;
	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);

	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
}

static void elink_set_ieee_aneg_advertisement(struct elink_phy *phy,
					      struct elink_params *params,
					      uint16_t ieee_fc)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val;
	/* For AN, we are always publishing full duplex */

	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
}

static void elink_restart_autoneg(struct elink_phy *phy,
				  struct elink_params *params,
				  uint8_t enable_cl73)
{
	struct bxe_softc *sc = params->sc;
	uint16_t mii_control;

	ELINK_DEBUG_P0(sc, "elink_restart_autoneg\n");
	/* Enable and restart BAM/CL37 aneg */

	if (enable_cl73) {
		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);

		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  (mii_control |
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
	} else {

		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
		ELINK_DEBUG_P1(sc,
			 "elink_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  (mii_control |
				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
	}
}

static void elink_initialize_sgmii_process(struct elink_phy *phy,
					   struct elink_params *params,
					   struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t control1;

	/* In SGMII mode, the unicore is always slave */

	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  &control1);
	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
	/* Set sgmii mode (and not fiber) */
	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);

	/* If forced speed */
	if (!(vars->line_speed == ELINK_SPEED_AUTO_NEG)) {
		/* Set speed, disable autoneg */
		uint16_t mii_control;

		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);

		switch (vars->line_speed) {
		case ELINK_SPEED_100:
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
			break;
		case ELINK_SPEED_1000:
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
			break;
		case ELINK_SPEED_10:
			/* There is nothing to set for 10M */
			break;
		default:
			/* Invalid speed for SGMII */
			ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
			break;
		}

		/* Setting the full duplex */
		if (phy->req_duplex == DUPLEX_FULL)
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);

	} else { /* AN mode */
		/* Enable and restart AN */
		elink_restart_autoneg(phy, params, 0);
	}
}

/* Link management
 */
static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy,
					     struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t pd_10g, status2_1000x;
	if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
		return ELINK_STATUS_OK;
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
		ELINK_DEBUG_P1(sc, "1G parallel detect link on port %d\n",
			 params->port);
		return 1;
	}

	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);

	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
		ELINK_DEBUG_P1(sc, "10G parallel detect link on port %d\n",
			 params->port);
		return 1;
	}
	return ELINK_STATUS_OK;
}

static void elink_update_adv_fc(struct elink_phy *phy,
				struct elink_params *params,
				struct elink_vars *vars,
				uint32_t gp_status)
{
	uint16_t ld_pause;   /* local driver */
	uint16_t lp_pause;   /* link partner */
	uint16_t pause_result;
	struct bxe_softc *sc = params->sc;
	if ((gp_status &
	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {

		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV1,
				  &ld_pause);
		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
				  &lp_pause);
		pause_result = (ld_pause &
				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
		pause_result |= (lp_pause &
				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
		ELINK_DEBUG_P1(sc, "pause_result CL73 0x%x\n", pause_result);
	} else {
		CL22_RD_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
				  &ld_pause);
		CL22_RD_OVER_CL45(sc, phy,
			MDIO_REG_BANK_COMBO_IEEE0,
			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
			&lp_pause);
		pause_result = (ld_pause &
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
		pause_result |= (lp_pause &
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
		ELINK_DEBUG_P1(sc, "pause_result CL37 0x%x\n", pause_result);
	}
	elink_pause_resolve(phy, params, vars, pause_result);

}

static void elink_flow_ctrl_resolve(struct elink_phy *phy,
				    struct elink_params *params,
				    struct elink_vars *vars,
				    uint32_t gp_status)
{
	struct bxe_softc *sc = params->sc;
	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;

	/* Resolve from gp_status in case of AN complete and not sgmii */
	if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
		/* Update the advertised flow-controled of LD/LP in AN */
		if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
			elink_update_adv_fc(phy, params, vars, gp_status);
		/* But set the flow-control result as the requested one */
		vars->flow_ctrl = phy->req_flow_ctrl;
	} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if ((gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE) &&
		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
		if (elink_direct_parallel_detect_used(phy, params)) {
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
		elink_update_adv_fc(phy, params, vars, gp_status);
	}
	ELINK_DEBUG_P1(sc, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

static void elink_check_fallback_to_cl37(struct elink_phy *phy,
					 struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t rx_status, ustat_val, cl37_fsm_received;
	ELINK_DEBUG_P0(sc, "elink_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
	    (MDIO_RX0_RX_STATUS_SIGDET)) {
		ELINK_DEBUG_P1(sc, "Signal is not detected. Restoring CL73."
			     "rx_status(0x80b0) = 0x%x\n", rx_status);
		CL22_WR_OVER_CL45(sc, phy,
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
		return;
	}
	/* Step 2: Check CL73 state machine */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
	if ((ustat_val &
	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
		ELINK_DEBUG_P1(sc, "CL73 state-machine is not stable. "
			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
		return;
	}
	/* Step 3: Check CL37 Message Pages received to indicate LP
	 * supports only CL37
	 */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
			  &cl37_fsm_received);
	if ((cl37_fsm_received &
	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
		ELINK_DEBUG_P1(sc, "No CL37 FSM were received. "
			     "misc_rx_status(0x8330) = 0x%x\n",
			 cl37_fsm_received);
		return;
	}
	/* The combined cl37/cl73 fsm state information indicating that
	 * we are connected to a device which does not support cl73, but
	 * does support cl37 BAM. In this case we disable cl73 and
	 * restart cl37 auto-neg
	 */

	/* Disable CL73 */
	CL22_WR_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
	/* Restart CL37 autoneg */
	elink_restart_autoneg(phy, params, 0);
	ELINK_DEBUG_P0(sc, "Disabling CL73, and restarting CL37 autoneg\n");
}

static void elink_xgxs_an_resolve(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars,
				  uint32_t gp_status)
{
	if (gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE)
		vars->link_status |=
			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;

	if (elink_direct_parallel_detect_used(phy, params))
		vars->link_status |=
			LINK_STATUS_PARALLEL_DETECTION_USED;
}
static elink_status_t elink_get_link_speed_duplex(struct elink_phy *phy,
				     struct elink_params *params,
				      struct elink_vars *vars,
				      uint16_t is_link_up,
				      uint16_t speed_mask,
				      uint16_t is_duplex)
{
	struct bxe_softc *sc = params->sc;
	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
	if (is_link_up) {
		ELINK_DEBUG_P0(sc, "phy link up\n");

		vars->phy_link_up = 1;
		vars->link_status |= LINK_STATUS_LINK_UP;

		switch (speed_mask) {
		case ELINK_GP_STATUS_10M:
			vars->line_speed = ELINK_SPEED_10;
			if (is_duplex == DUPLEX_FULL)
				vars->link_status |= ELINK_LINK_10TFD;
			else
				vars->link_status |= ELINK_LINK_10THD;
			break;

		case ELINK_GP_STATUS_100M:
			vars->line_speed = ELINK_SPEED_100;
			if (is_duplex == DUPLEX_FULL)
				vars->link_status |= ELINK_LINK_100TXFD;
			else
				vars->link_status |= ELINK_LINK_100TXHD;
			break;

		case ELINK_GP_STATUS_1G:
		case ELINK_GP_STATUS_1G_KX:
			vars->line_speed = ELINK_SPEED_1000;
			if (is_duplex == DUPLEX_FULL)
				vars->link_status |= ELINK_LINK_1000TFD;
			else
				vars->link_status |= ELINK_LINK_1000THD;
			break;

		case ELINK_GP_STATUS_2_5G:
			vars->line_speed = ELINK_SPEED_2500;
			if (is_duplex == DUPLEX_FULL)
				vars->link_status |= ELINK_LINK_2500TFD;
			else
				vars->link_status |= ELINK_LINK_2500THD;
			break;

		case ELINK_GP_STATUS_5G:
		case ELINK_GP_STATUS_6G:
			ELINK_DEBUG_P1(sc,
				 "link speed unsupported  gp_status 0x%x\n",
				  speed_mask);
			return ELINK_STATUS_ERROR;

		case ELINK_GP_STATUS_10G_KX4:
		case ELINK_GP_STATUS_10G_HIG:
		case ELINK_GP_STATUS_10G_CX4:
		case ELINK_GP_STATUS_10G_KR:
		case ELINK_GP_STATUS_10G_SFI:
		case ELINK_GP_STATUS_10G_XFI:
			vars->line_speed = ELINK_SPEED_10000;
			vars->link_status |= ELINK_LINK_10GTFD;
			break;
		case ELINK_GP_STATUS_20G_DXGXS:
		case ELINK_GP_STATUS_20G_KR2:
			vars->line_speed = ELINK_SPEED_20000;
			vars->link_status |= ELINK_LINK_20GTFD;
			break;
		default:
			ELINK_DEBUG_P1(sc,
				  "link speed unsupported gp_status 0x%x\n",
				  speed_mask);
			return ELINK_STATUS_ERROR;
		}
	} else { /* link_down */
		ELINK_DEBUG_P0(sc, "phy link down\n");

		vars->phy_link_up = 0;

		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
		vars->mac_type = ELINK_MAC_TYPE_NONE;
	}
	ELINK_DEBUG_P2(sc, " in elink_get_link_speed_duplex vars->link_status = %x, vars->duplex = %x\n",
			vars->link_status, vars->duplex);
	ELINK_DEBUG_P2(sc, " phy_link_up %x line_speed %d\n",
		    vars->phy_link_up, vars->line_speed);
	return ELINK_STATUS_OK;
}

static elink_status_t elink_link_settings_status(struct elink_phy *phy,
				      struct elink_params *params,
				      struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;

	uint16_t gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
	elink_status_t rc = ELINK_STATUS_OK;

	/* Read gp_status */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) {
		duplex = DUPLEX_FULL;
		ELINK_DEBUG_P1(sc, "duplex status read from phy is = %x\n",
				duplex);
	} else {
		ELINK_DEBUG_P1(sc, "phy status does not allow interface to be FULL_DUPLEX : %x\n",
			gp_status);
	}		


	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
		link_up = 1;
	speed_mask = gp_status & ELINK_GP_STATUS_SPEED_MASK;
	ELINK_DEBUG_P3(sc, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
		       gp_status, link_up, speed_mask);
	rc = elink_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
					 duplex);
	if (rc == ELINK_STATUS_ERROR)
		return rc;

	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
		if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
			vars->duplex = duplex;
			elink_flow_ctrl_resolve(phy, params, vars, gp_status);
			if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
				elink_xgxs_an_resolve(phy, params, vars,
						      gp_status);
		}
	} else { /* Link_down */
		if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
		    ELINK_SINGLE_MEDIA_DIRECT(params)) {
			/* Check signal is detected */
			elink_check_fallback_to_cl37(phy, params);
		}
	}

	/* Read LP advertised speeds*/
	if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
		uint16_t val;

		CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);

		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;

		CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_OVER_1G,
				  MDIO_OVER_1G_LP_UP1, &val);

		if (val & MDIO_OVER_1G_UP1_2_5G)
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
	}

	ELINK_DEBUG_P3(sc, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
		   vars->duplex, vars->flow_ctrl, vars->link_status);
	return rc;
}

static elink_status_t elink_warpcore_read_status(struct elink_phy *phy,
				     struct elink_params *params,
				     struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t lane;
	uint16_t gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
	elink_status_t rc = ELINK_STATUS_OK;
	lane = elink_get_warpcore_lane(phy, params);
	/* Read gp_status */
	if ((params->loopback_mode) &&
	    (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)) {
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
		link_up &= 0x1;
		ELINK_DEBUG_P1(sc, "params->loopback_mode link_up read = %x\n",
				link_up);
	} else if ((phy->req_line_speed > ELINK_SPEED_10000) &&
		(phy->supported & ELINK_SUPPORTED_20000baseMLD2_Full)) {
		uint16_t temp_link_up;
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				1, &temp_link_up);
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				1, &link_up);
		ELINK_DEBUG_P2(sc, "PCS RX link status = 0x%x-->0x%x\n",
			       temp_link_up, link_up);
		link_up &= (1<<2);
		if (link_up)
			elink_ext_phy_resolve_fc(phy, params, vars);
	} else {
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_1,
				&gp_status1);
		ELINK_DEBUG_P1(sc, "0x81d1 = 0x%x\n", gp_status1);
		/* Check for either KR, 1G, or AN up. */
		link_up = ((gp_status1 >> 8) |
			   (gp_status1 >> 12) |
			   (gp_status1)) &
			(1 << lane);
		if (phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
			uint16_t an_link;
			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_STATUS, &an_link);
			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
					MDIO_AN_REG_STATUS, &an_link);
			link_up |= (an_link & (1<<2));
			ELINK_DEBUG_P2(sc,"an_link = %x, link_up = %x\n", an_link,
						link_up);
		}
		if (link_up && ELINK_SINGLE_MEDIA_DIRECT(params)) {
			uint16_t pd, gp_status4;
			if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
				/* Check Autoneg complete */
				elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
						MDIO_WC_REG_GP2_STATUS_GP_2_4,
						&gp_status4);
				if (gp_status4 & ((1<<12)<<lane))
					vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;

				/* Check parallel detect used */
				elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
						MDIO_WC_REG_PAR_DET_10G_STATUS,
						&pd);
				if (pd & (1<<15))
					vars->link_status |=
					LINK_STATUS_PARALLEL_DETECTION_USED;
				ELINK_DEBUG_P2(sc, "pd = %x, link_status = %x\n",
						pd, vars->link_status);
			}
			elink_ext_phy_resolve_fc(phy, params, vars);
			vars->duplex = duplex;
			ELINK_DEBUG_P3(sc, " ELINK_SINGLE_MEDIA_DIRECT duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
					vars->duplex, vars->flow_ctrl, vars->link_status);
		}
	}
	ELINK_DEBUG_P3(sc, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
			vars->duplex, vars->flow_ctrl, vars->link_status);
	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
	    ELINK_SINGLE_MEDIA_DIRECT(params)) {
		uint16_t val;

		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG2, &val);

		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
		ELINK_DEBUG_P2(sc, "val = %x, link_status = %x\n",
				val, vars->link_status);
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);

		if (val & MDIO_OVER_1G_UP1_2_5G)
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
		ELINK_DEBUG_P2(sc, "val = %x, link_status = %x\n",
				val, vars->link_status);

	}


	if (lane < 2) {
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
	} else {
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
	}
	ELINK_DEBUG_P2(sc, "lane %d gp_speed 0x%x\n", lane, gp_speed);

	if ((lane & 1) == 0)
		gp_speed <<= 8;
	gp_speed &= 0x3f00;
	link_up = !!link_up;

	/* Reset the TX FIFO to fix SGMII issue */
	rc = elink_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
					 duplex);

	/* In case of KR link down, start up the recovering procedure */
	if ((!link_up) && (phy->media_type == ELINK_ETH_PHY_KR) &&
	    (!(phy->flags & ELINK_FLAGS_WC_DUAL_MODE)))
		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;

	ELINK_DEBUG_P3(sc, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
		   vars->duplex, vars->flow_ctrl, vars->link_status);
	return rc;
}
static void elink_set_gmii_tx_driver(struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
	uint16_t lp_up2;
	uint16_t tx_driver;
	uint16_t bank;

	/* Read precomp */
	CL22_RD_OVER_CL45(sc, phy,
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);

	/* Bits [10:7] at lp_up2, positioned at [15:12] */
	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);

	if (lp_up2 == 0)
		return;

	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
		CL22_RD_OVER_CL45(sc, phy,
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);

		/* Replace tx_driver bits [15:12] */
		if (lp_up2 !=
		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
			tx_driver |= lp_up2;
			CL22_WR_OVER_CL45(sc, phy,
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
		}
	}
}

static elink_status_t elink_emac_program(struct elink_params *params,
			      struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	uint16_t mode = 0;

	ELINK_DEBUG_P0(sc, "setting link speed & duplex\n");
	elink_bits_dis(sc, GRCBASE_EMAC0 + port*0x400 +
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
	switch (vars->line_speed) {
	case ELINK_SPEED_10:
		mode |= EMAC_MODE_PORT_MII_10M;
		break;

	case ELINK_SPEED_100:
		mode |= EMAC_MODE_PORT_MII;
		break;

	case ELINK_SPEED_1000:
		mode |= EMAC_MODE_PORT_GMII;
		break;

	case ELINK_SPEED_2500:
		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
		break;

	default:
		/* 10G not valid for EMAC */
		ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
		return ELINK_STATUS_ERROR;
	}

	if (vars->duplex == DUPLEX_HALF)
		mode |= EMAC_MODE_HALF_DUPLEX;
	elink_bits_en(sc,
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);

	elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
	return ELINK_STATUS_OK;
}

static void elink_set_preemphasis(struct elink_phy *phy,
				  struct elink_params *params)
{

	uint16_t bank, i = 0;
	struct bxe_softc *sc = params->sc;

	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
			CL22_WR_OVER_CL45(sc, phy,
					  bank,
					  MDIO_RX0_RX_EQ_BOOST,
					  phy->rx_preemphasis[i]);
	}

	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
			CL22_WR_OVER_CL45(sc, phy,
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

static void elink_xgxs_config_init(struct elink_phy *phy,
				   struct elink_params *params,
				   struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t enable_cl73 = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
			  (params->loopback_mode == ELINK_LOOPBACK_XGXS));
	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
		if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
		    (params->feature_config_flags &
		     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
			elink_set_preemphasis(phy, params);

		/* Forced speed requested? */
		if (vars->line_speed != ELINK_SPEED_AUTO_NEG ||
		    (ELINK_SINGLE_MEDIA_DIRECT(params) &&
		     params->loopback_mode == ELINK_LOOPBACK_EXT)) {
			ELINK_DEBUG_P0(sc, "not SGMII, no AN\n");

			/* Disable autoneg */
			elink_set_autoneg(phy, params, vars, 0);

			/* Program speed and duplex */
			elink_program_serdes(phy, params, vars);

		} else { /* AN_mode */
			ELINK_DEBUG_P0(sc, "not SGMII, AN\n");

			/* AN enabled */
			elink_set_brcm_cl37_advertisement(phy, params);

			/* Program duplex & pause advertisement (for aneg) */
			elink_set_ieee_aneg_advertisement(phy, params,
							  vars->ieee_fc);

			/* Enable autoneg */
			elink_set_autoneg(phy, params, vars, enable_cl73);

			/* Enable and restart AN */
			elink_restart_autoneg(phy, params, enable_cl73);
		}

	} else { /* SGMII mode */
		ELINK_DEBUG_P0(sc, "SGMII\n");

		elink_initialize_sgmii_process(phy, params, vars);
	}
}

static elink_status_t elink_prepare_xgxs(struct elink_phy *phy,
			  struct elink_params *params,
			  struct elink_vars *vars)
{
	elink_status_t rc;
	vars->phy_flags |= PHY_XGXS_FLAG;
	if ((phy->req_line_speed &&
	     ((phy->req_line_speed == ELINK_SPEED_100) ||
	      (phy->req_line_speed == ELINK_SPEED_10))) ||
	    (!phy->req_line_speed &&
	     (phy->speed_cap_mask >=
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
	     (phy->speed_cap_mask <
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
		vars->phy_flags |= PHY_SGMII_FLAG;
	else
		vars->phy_flags &= ~PHY_SGMII_FLAG;

	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	elink_set_aer_mmd(params, phy);
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
		elink_set_master_ln(params, phy);

	rc = elink_reset_unicore(params, phy, 0);
	/* Reset the SerDes and wait for reset bit return low */
	if (rc != ELINK_STATUS_OK)
		return rc;

	elink_set_aer_mmd(params, phy);
	/* Setting the masterLn_def again after the reset */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
		elink_set_master_ln(params, phy);
		elink_set_swap_lanes(params, phy);
	}

	return rc;
}

static uint16_t elink_wait_reset_complete(struct bxe_softc *sc,
				     struct elink_phy *phy,
				     struct elink_params *params)
{
	uint16_t cnt, ctrl;
	/* Wait for soft reset to get cleared up to 1 sec */
	for (cnt = 0; cnt < 1000; cnt++) {
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			elink_cl22_read(sc, phy,
				MDIO_PMA_REG_CTRL, &ctrl);
		else
			elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, &ctrl);
		if (!(ctrl & (1<<15)))
			break;
		DELAY(1000 * 1);
	}

	if (cnt == 1000)
		elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized,"
				     // " Port %d\n",

	ELINK_DEBUG_P2(sc, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
}

static void elink_link_int_enable(struct elink_params *params)
{
	uint8_t port = params->port;
	uint32_t mask;
	struct bxe_softc *sc = params->sc;

	/* Setting the status to report on link up for either XGXS or SerDes */
	if (CHIP_IS_E3(sc)) {
		mask = ELINK_NIG_MASK_XGXS0_LINK_STATUS;
		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)))
			mask |= ELINK_NIG_MASK_MI_INT;
	} else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
		mask = (ELINK_NIG_MASK_XGXS0_LINK10G |
			ELINK_NIG_MASK_XGXS0_LINK_STATUS);
		ELINK_DEBUG_P0(sc, "enabled XGXS interrupt\n");
		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
			params->phy[ELINK_INT_PHY].type !=
				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
			mask |= ELINK_NIG_MASK_MI_INT;
			ELINK_DEBUG_P0(sc, "enabled external phy int\n");
		}

	} else { /* SerDes */
		mask = ELINK_NIG_MASK_SERDES0_LINK_STATUS;
		ELINK_DEBUG_P0(sc, "enabled SerDes interrupt\n");
		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
			params->phy[ELINK_INT_PHY].type !=
				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
			mask |= ELINK_NIG_MASK_MI_INT;
			ELINK_DEBUG_P0(sc, "enabled external phy int\n");
		}
	}
	elink_bits_en(sc,
		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
		      mask);

	ELINK_DEBUG_P3(sc, "port %x, is_xgxs %x, int_status 0x%x\n", port,
		 (params->switch_cfg == ELINK_SWITCH_CFG_10G),
		 REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
	ELINK_DEBUG_P3(sc, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
		 REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
	ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x\n",
	   REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	   REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
}

static void elink_rearm_latch_signal(struct bxe_softc *sc, uint8_t port,
				     uint8_t exp_mi_int)
{
	uint32_t latch_status = 0;

	/* Disable the MI INT ( external phy int ) by writing 1 to the
	 * status register. Link down indication is high-active-signal,
	 * so in this case we need to write the status to clear the XOR
	 */
	/* Read Latched signals */
	latch_status = REG_RD(sc,
				    NIG_REG_LATCH_STATUS_0 + port*8);
	ELINK_DEBUG_P1(sc, "latch_status = 0x%x\n", latch_status);
	/* Handle only those with latched-signal=up.*/
	if (exp_mi_int)
		elink_bits_en(sc,
			      NIG_REG_STATUS_INTERRUPT_PORT0
			      + port*4,
			      ELINK_NIG_STATUS_EMAC0_MI_INT);
	else
		elink_bits_dis(sc,
			       NIG_REG_STATUS_INTERRUPT_PORT0
			       + port*4,
			       ELINK_NIG_STATUS_EMAC0_MI_INT);

	if (latch_status & 1) {

		/* For all latched-signal=up : Re-Arm Latch signals */
		REG_WR(sc, NIG_REG_LATCH_STATUS_0 + port*8,
		       (latch_status & 0xfffe) | (latch_status & 1));
	}
	/* For all latched-signal=up,Write original_signal to status */
}

static void elink_link_int_ack(struct elink_params *params,
			       struct elink_vars *vars, uint8_t is_10g_plus)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;
	uint32_t mask;
	/* First reset all status we assume only one line will be
	 * change at a time
	 */
	elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
		       (ELINK_NIG_STATUS_XGXS0_LINK10G |
			ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
			ELINK_NIG_STATUS_SERDES0_LINK_STATUS));
	if (vars->phy_link_up) {
		if (USES_WARPCORE(sc))
			mask = ELINK_NIG_STATUS_XGXS0_LINK_STATUS;
		else {
			if (is_10g_plus)
				mask = ELINK_NIG_STATUS_XGXS0_LINK10G;
			else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
				/* Disable the link interrupt by writing 1 to
				 * the relevant lane in the status register
				 */
				uint32_t ser_lane =
					((params->lane_config &
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
				mask = ((1 << ser_lane) <<
				       ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
			} else
				mask = ELINK_NIG_STATUS_SERDES0_LINK_STATUS;
		}
		ELINK_DEBUG_P1(sc, "Ack link up interrupt with mask 0x%x\n",
			       mask);
		elink_bits_en(sc,
			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
			      mask);
	}
}

static elink_status_t elink_format_ver(uint32_t num, uint8_t *str, uint16_t *len)
{
	uint8_t *str_ptr = str;
	uint32_t mask = 0xf0000000;
	uint8_t shift = 8*4;
	uint8_t digit;
	uint8_t remove_leading_zeros = 1;
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
		(*len)--;
		return ELINK_STATUS_ERROR;
	}
	while (shift > 0) {

		shift -= 4;
		digit = ((num & mask) >> shift);
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
		remove_leading_zeros = 0;
		str_ptr++;
		(*len)--;
		mask = mask >> 4;
		if (shift == 4*4) {
			*str_ptr = '.';
			str_ptr++;
			(*len)--;
			remove_leading_zeros = 1;
		}
	}
	return ELINK_STATUS_OK;
}


static elink_status_t elink_null_format_ver(uint32_t spirom_ver, uint8_t *str, uint16_t *len)
{
	str[0] = '\0';
	(*len)--;
	return ELINK_STATUS_OK;
}

elink_status_t elink_get_ext_phy_fw_version(struct elink_params *params, uint8_t *version,
				 uint16_t len)
{
	struct bxe_softc *sc;
	uint32_t spirom_ver = 0;
	elink_status_t status = ELINK_STATUS_OK;
	uint8_t *ver_p = version;
	uint16_t remain_len = len;
	if (version == NULL || params == NULL)
		return ELINK_STATUS_ERROR;
	sc = params->sc;

	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY1].ver_addr);

	if (params->phy[ELINK_EXT_PHY1].format_fw_ver) {
		status |= params->phy[ELINK_EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
							      &remain_len);
		ver_p += (len - remain_len);
	}
	if ((params->num_phys == ELINK_MAX_PHYS) &&
	    (params->phy[ELINK_EXT_PHY2].ver_addr != 0)) {
		spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY2].ver_addr);
		if (params->phy[ELINK_EXT_PHY2].format_fw_ver) {
			*ver_p = '/';
			ver_p++;
			remain_len--;
			status |= params->phy[ELINK_EXT_PHY2].format_fw_ver(
				spirom_ver,
				ver_p,
				&remain_len);
			ver_p = version + (len - remain_len);
		}
	}
	*ver_p = '\0';
	return status;
}

static void elink_set_xgxs_loopback(struct elink_phy *phy,
				    struct elink_params *params)
{
	uint8_t port = params->port;
	struct bxe_softc *sc = params->sc;

	if (phy->req_line_speed != ELINK_SPEED_1000) {
		uint32_t md_devad = 0;

		ELINK_DEBUG_P0(sc, "XGXS 10G loopback enable\n");

		if (!CHIP_IS_E3(sc)) {
			/* Change the uni_phy_addr in the nig */
			md_devad = REG_RD(sc, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
					       port*0x18));

			REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       0x5);
		}

		elink_cl45_write(sc, phy,
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);

		elink_cl45_write(sc, phy,
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
		DELAY(1000 * 200);
		/* Set aer mmd back */
		elink_set_aer_mmd(params, phy);

		if (!CHIP_IS_E3(sc)) {
			/* And md_devad */
			REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       md_devad);
		}
	} else {
		uint16_t mii_ctrl;
		ELINK_DEBUG_P0(sc, "XGXS 1G loopback enable\n");
		elink_cl45_read(sc, phy, 5,
				(MDIO_REG_BANK_COMBO_IEEE0 +
				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
				&mii_ctrl);
		elink_cl45_write(sc, phy, 5,
				 (MDIO_REG_BANK_COMBO_IEEE0 +
				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
				 mii_ctrl |
				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
	}
}

elink_status_t elink_set_led(struct elink_params *params,
		  struct elink_vars *vars, uint8_t mode, uint32_t speed)
{
	uint8_t port = params->port;
	uint16_t hw_led_mode = params->hw_led_mode;
	elink_status_t rc = ELINK_STATUS_OK;
	uint8_t phy_idx;
	uint32_t tmp;
	uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P2(sc, "elink_set_led: port %x, mode %d\n", port, mode);
	ELINK_DEBUG_P2(sc, "speed 0x%x, hw_led_mode 0x%x\n",
		 speed, hw_led_mode);
	/* In case */
	for (phy_idx = ELINK_EXT_PHY1; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].set_link_led) {
			params->phy[phy_idx].set_link_led(
				&params->phy[phy_idx], params, mode);
		}
	}
#ifdef ELINK_INCLUDE_EMUL
	if (params->feature_config_flags &
	    ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC)
		return rc;
#endif

	switch (mode) {
	case ELINK_LED_MODE_FRONT_PANEL_OFF:
	case ELINK_LED_MODE_OFF:
		REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 0);
		REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
		       SHARED_HW_CFG_LED_MAC1);

		tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
		if (params->phy[ELINK_EXT_PHY1].type ==
			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
				EMAC_LED_100MB_OVERRIDE |
				EMAC_LED_10MB_OVERRIDE);
		else
			tmp |= EMAC_LED_OVERRIDE;

		elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp);
		break;

	case ELINK_LED_MODE_OPER:
		/* For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
		 */
		if (!vars->link_up)
			break;
	case ELINK_LED_MODE_ON:
		if (((params->phy[ELINK_EXT_PHY1].type ==
			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
			 (params->phy[ELINK_EXT_PHY1].type ==
			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
		    CHIP_IS_E2(sc) && params->num_phys == 2) {
			/* This is a work-around for E2+8727 Configurations */
			if (mode == ELINK_LED_MODE_ON ||
				speed == ELINK_SPEED_10000){
				REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
				REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 1);

				tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
				elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
					(tmp | EMAC_LED_OVERRIDE));
				/* Return here without enabling traffic
				 * LED blink and setting rate in ON mode.
				 * In oper mode, enabling LED blink
				 * and setting rate is needed.
				 */
				if (mode == ELINK_LED_MODE_ON)
					return rc;
			}
		} else if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
			/* This is a work-around for HW issue found when link
			 * is up in CL73
			 */
			if ((!CHIP_IS_E3(sc)) ||
			    (CHIP_IS_E3(sc) &&
			     mode == ELINK_LED_MODE_ON))
				REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 1);

			if (CHIP_IS_E1x(sc) ||
			    CHIP_IS_E2(sc) ||
			    (mode == ELINK_LED_MODE_ON))
				REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
			else
				REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
				       hw_led_mode);
		} else if ((params->phy[ELINK_EXT_PHY1].type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
			   (mode == ELINK_LED_MODE_ON)) {
			REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
			tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
			elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp |
				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
			/* Break here; otherwise, it'll disable the
			 * intended override.
			 */
			break;
		} else {
			uint32_t nig_led_mode = ((params->hw_led_mode <<
					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
					    SHARED_HW_CFG_LED_EXTPHY2) ?
				(SHARED_HW_CFG_LED_PHY1 >>
				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
			REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
			       nig_led_mode);
		}

		REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
		/* Set blinking rate to ~15.9Hz */
		if (CHIP_IS_E3(sc))
			REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			       LED_BLINK_RATE_VAL_E3);
		else
			REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			       LED_BLINK_RATE_VAL_E1X_E2);
		REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
		       port*4, 1);
		tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
		elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
			(tmp & (~EMAC_LED_OVERRIDE)));

		if (CHIP_IS_E1(sc) &&
		    ((speed == ELINK_SPEED_2500) ||
		     (speed == ELINK_SPEED_1000) ||
		     (speed == ELINK_SPEED_100) ||
		     (speed == ELINK_SPEED_10))) {
			/* For speeds less than 10G LED scheme is different */
			REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
			       + port*4, 1);
			REG_WR(sc, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
			       port*4, 0);
			REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
			       port*4, 1);
		}
		break;

	default:
		rc = ELINK_STATUS_ERROR;
		ELINK_DEBUG_P1(sc, "elink_set_led: Invalid led mode %d\n",
			 mode);
		break;
	}
	return rc;

}

/* This function comes to reflect the actual link state read DIRECTLY from the
 * HW
 */
elink_status_t elink_test_link(struct elink_params *params, struct elink_vars *vars,
		    uint8_t is_serdes)
{
	struct bxe_softc *sc = params->sc;
	uint16_t gp_status = 0, phy_index = 0;
	uint8_t ext_phy_link_up = 0, serdes_phy_type;
	struct elink_vars temp_vars;
	struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
#ifdef ELINK_INCLUDE_FPGA
	if (CHIP_REV_IS_FPGA(sc))
		return ELINK_STATUS_OK;
#endif
#ifdef ELINK_INCLUDE_EMUL
	if (CHIP_REV_IS_EMUL(sc))
		return ELINK_STATUS_OK;
#endif

	if (CHIP_IS_E3(sc)) {
		uint16_t link_up;
		if (params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)]
		    > ELINK_SPEED_10000) {
			/* Check 20G link */
			elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
					1, &link_up);
			elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
					1, &link_up);
			link_up &= (1<<2);
		} else {
			/* Check 10G link and below*/
			uint8_t lane = elink_get_warpcore_lane(int_phy, params);
			elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
					MDIO_WC_REG_GP2_STATUS_GP_2_1,
					&gp_status);
			gp_status = ((gp_status >> 8) & 0xf) |
				((gp_status >> 12) & 0xf);
			link_up = gp_status & (1 << lane);
		}
		if (!link_up)
			return ELINK_STATUS_NO_LINK;
	} else {
		CL22_RD_OVER_CL45(sc, int_phy,
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
	/* Link is up only if both local phy and external phy are up */
	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return ELINK_STATUS_NO_LINK;
	}
	/* In XGXS loopback mode, do not check external PHY */
	if (params->loopback_mode == ELINK_LOOPBACK_XGXS)
		return ELINK_STATUS_OK;

	switch (params->num_phys) {
	case 1:
		/* No external PHY */
		return ELINK_STATUS_OK;
	case 2:
		ext_phy_link_up = params->phy[ELINK_EXT_PHY1].read_status(
			&params->phy[ELINK_EXT_PHY1],
			params, &temp_vars);
		break;
	case 3: /* Dual Media */
		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
			serdes_phy_type = ((params->phy[phy_index].media_type ==
					    ELINK_ETH_PHY_SFPP_10G_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ELINK_ETH_PHY_SFP_1G_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ELINK_ETH_PHY_XFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ELINK_ETH_PHY_DA_TWINAX));

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
			}
		}
		break;
	}
	if (ext_phy_link_up)
		return ELINK_STATUS_OK;
	return ELINK_STATUS_NO_LINK;
}

static elink_status_t elink_link_initialize(struct elink_params *params,
				 struct elink_vars *vars)
{
	uint8_t phy_index, non_ext_phy;
	struct bxe_softc *sc = params->sc;
	/* In case of external phy existence, the line speed would be the
	 * line speed linked up by the external phy. In case it is direct
	 * only, then the line_speed during initialization will be
	 * equal to the req_line_speed
	 */
	vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;

	/* Initialize the internal phy in case this is a direct board
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
	if (!USES_WARPCORE(sc))
		elink_prepare_xgxs(&params->phy[ELINK_INT_PHY], params, vars);
	/* init ext phy and enable link state int */
	non_ext_phy = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
		       (params->loopback_mode == ELINK_LOOPBACK_XGXS));

	if (non_ext_phy ||
	    (params->phy[ELINK_EXT_PHY1].flags & ELINK_FLAGS_INIT_XGXS_FIRST) ||
	    (params->loopback_mode == ELINK_LOOPBACK_EXT_PHY)) {
		struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
		if (vars->line_speed == ELINK_SPEED_AUTO_NEG &&
		    (CHIP_IS_E1x(sc) ||
		     CHIP_IS_E2(sc)))
			elink_set_parallel_detection(phy, params);
		if (params->phy[ELINK_INT_PHY].config_init)
			params->phy[ELINK_INT_PHY].config_init(phy, params, vars);
	}

	/* Re-read this value in case it was changed inside config_init due to
	 * limitations of optic module
	 */
	vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;

	/* Init external phy*/
	if (non_ext_phy) {
		if (params->phy[ELINK_INT_PHY].supported &
		    ELINK_SUPPORTED_FIBRE)
			vars->link_status |= LINK_STATUS_SERDES_LINK;
	} else {
		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
			/* No need to initialize second phy in case of first
			 * phy only selection. In case of second phy, we do
			 * need to initialize the first phy, since they are
			 * connected.
			 */
			if (params->phy[phy_index].supported &
			    ELINK_SUPPORTED_FIBRE)
				vars->link_status |= LINK_STATUS_SERDES_LINK;

			if (phy_index == ELINK_EXT_PHY2 &&
			    (elink_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
				ELINK_DEBUG_P0(sc,
				   "Not initializing second phy\n");
				continue;
			}
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
	}
	/* Reset the interrupt indication after phy was initialized */
	elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 +
		       params->port*4,
		       (ELINK_NIG_STATUS_XGXS0_LINK10G |
			ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
			ELINK_NIG_STATUS_SERDES0_LINK_STATUS |
			ELINK_NIG_MASK_MI_INT));
	return ELINK_STATUS_OK;
}

static void elink_int_link_reset(struct elink_phy *phy,
				 struct elink_params *params)
{
	/* Reset the SerDes/XGXS */
	REG_WR(params->sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
}

static void elink_common_ext_link_reset(struct elink_phy *phy,
					struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint8_t gpio_port;
	/* HW reset */
	if (CHIP_IS_E2(sc))
		gpio_port = SC_PATH(sc);
	else
		gpio_port = params->port;
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
	ELINK_DEBUG_P0(sc, "reset external PHY\n");
}

static elink_status_t elink_update_link_down(struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port = params->port;

	ELINK_DEBUG_P1(sc, "Port %x: Link is down\n", port);
	elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
	/* Indicate no mac active */
	vars->mac_type = ELINK_MAC_TYPE_NONE;

	/* Update shared memory */
	vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
	vars->line_speed = 0;
	elink_update_mng(params, vars->link_status);

	/* Activate nig drain */
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);

	/* Disable emac */
	if (!CHIP_IS_E3(sc))
		REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	DELAY(1000 * 10);
	/* Reset BigMac/Xmac */
	if (CHIP_IS_E1x(sc) ||
	    CHIP_IS_E2(sc))
		elink_set_bmac_rx(sc, params->chip_id, params->port, 0);

	if (CHIP_IS_E3(sc)) {
		/* Prevent LPI Generation by chip */
		REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
		       0);
		REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
		       0);
		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
				      SHMEM_EEE_ACTIVE_BIT);

		elink_update_mng_eee(params, vars->eee_status);
		elink_set_xmac_rxtx(params, 0);
		elink_set_umac_rxtx(params, 0);
	}

	return ELINK_STATUS_OK;
}

static elink_status_t elink_update_link_up(struct elink_params *params,
				struct elink_vars *vars,
				uint8_t link_10g)
{
	struct bxe_softc *sc = params->sc;
	uint8_t phy_idx, port = params->port;
	elink_status_t rc = ELINK_STATUS_OK;

	vars->link_status |= (LINK_STATUS_LINK_UP |
			      LINK_STATUS_PHYSICAL_LINK_FLAG);
	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;

	if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;

	if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
	if (USES_WARPCORE(sc)) {
		if (link_10g) {
			if (elink_xmac_enable(params, vars, 0) ==
			    ELINK_STATUS_NO_LINK) {
				ELINK_DEBUG_P0(sc, "Found errors on XMAC\n");
				vars->link_up = 0;
				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
				vars->link_status &= ~LINK_STATUS_LINK_UP;
			}
		} else
			elink_umac_enable(params, vars, 0);
		elink_set_led(params, vars,
			      ELINK_LED_MODE_OPER, vars->line_speed);

		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
			ELINK_DEBUG_P0(sc, "Enabling LPI assertion\n");
			REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
			       (params->port << 2), 1);
			REG_WR(sc, MISC_REG_CPMU_LP_DR_ENABLE, 1);
			REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 +
			       (params->port << 2), 0xfc20);
		}
	}
	if ((CHIP_IS_E1x(sc) ||
	     CHIP_IS_E2(sc))) {
		if (link_10g) {
			if (elink_bmac_enable(params, vars, 0, 1) ==
			    ELINK_STATUS_NO_LINK) {
				ELINK_DEBUG_P0(sc, "Found errors on BMAC\n");
				vars->link_up = 0;
				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
				vars->link_status &= ~LINK_STATUS_LINK_UP;
			}

			elink_set_led(params, vars,
				      ELINK_LED_MODE_OPER, ELINK_SPEED_10000);
		} else {
			rc = elink_emac_program(params, vars);
			elink_emac_enable(params, vars, 0);

			/* AN complete? */
			if ((vars->link_status &
			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
			    ELINK_SINGLE_MEDIA_DIRECT(params))
				elink_set_gmii_tx_driver(params);
		}
	}

	/* PBF - link up */
	if (CHIP_IS_E1x(sc))
		rc |= elink_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);

	/* Disable drain */
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);

	/* Update shared memory */
	elink_update_mng(params, vars->link_status);
	elink_update_mng_eee(params, vars->eee_status);
	/* Check remote fault */
	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
			elink_check_half_open_conn(params, vars, 0);
			break;
		}
	}
	DELAY(1000 * 20);
	return rc;
}

static void elink_chng_link_count(struct elink_params *params, uint8_t clear)
{
	struct bxe_softc *sc = params->sc;
	uint32_t addr, val;

	/* Verify the link_change_count is supported by the MFW */
	if (!(SHMEM2_HAS(sc, link_change_count)))
		return;

	addr = params->shmem2_base +
		offsetof(struct shmem2_region, link_change_count[params->port]);
	if (clear)
		val = 0;
	else
		val = REG_RD(sc, addr) + 1;
	REG_WR(sc, addr, val);
}

/* The elink_link_update function should be called upon link
 * interrupt.
 * Link is considered up as follows:
 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
 *   to be up
 * - SINGLE_MEDIA - The link between the 577xx and the external
 *   phy (XGXS) need to up as well as the external link of the
 *   phy (PHY_EXT1)
 * - DUAL_MEDIA - The link between the 577xx and the first
 *   external phy needs to be up, and at least one of the 2
 *   external phy link must be up.
 */
elink_status_t elink_link_update(struct elink_params *params, struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	struct elink_vars phy_vars[ELINK_MAX_PHYS];
	uint8_t port = params->port;
	uint8_t link_10g_plus, phy_index;
	uint32_t prev_link_status = vars->link_status;
	uint8_t ext_phy_link_up = 0, cur_link_up;
	elink_status_t rc = ELINK_STATUS_OK;
	uint16_t ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	uint8_t active_external_phy = ELINK_INT_PHY;
	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
	vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
		phy_vars[phy_index].flow_ctrl = 0;
		phy_vars[phy_index].link_status = 0;
		phy_vars[phy_index].line_speed = 0;
		phy_vars[phy_index].duplex = DUPLEX_FULL;
		phy_vars[phy_index].phy_link_up = 0;
		phy_vars[phy_index].link_up = 0;
		phy_vars[phy_index].fault_detected = 0;
		/* different consideration, since vars holds inner state */
		phy_vars[phy_index].eee_status = vars->eee_status;
	}

	if (USES_WARPCORE(sc))
		elink_set_aer_mmd(params, &params->phy[ELINK_INT_PHY]);

	ELINK_DEBUG_P3(sc, "port %x, XGXS?%x, int_status 0x%x\n",
		 port, (vars->phy_flags & PHY_XGXS_FLAG),
		 REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));

	ELINK_DEBUG_P3(sc, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18) > 0,
		 REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));

	ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x\n",
	  REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	  REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));

	/* Disable emac */
	if (!CHIP_IS_E3(sc))
		REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	/* Step 1:
	 * Check external link change only for external phys, and apply
	 * priority selection between them in case the link on both phys
	 * is up. Note that instead of the common vars, a temporary
	 * vars argument is used since each phy may have different link/
	 * speed/duplex result
	 */
	for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		struct elink_phy *phy = &params->phy[phy_index];
		if (!phy->read_status)
			continue;
		/* Read link status and params of this ext phy */
		cur_link_up = phy->read_status(phy, params,
					       &phy_vars[phy_index]);
		if (cur_link_up) {
			ELINK_DEBUG_P1(sc, "phy in index %d link is up\n",
				   phy_index);
		} else {
			ELINK_DEBUG_P1(sc, "phy in index %d link is down\n",
				   phy_index);
			continue;
		}

		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
		} else {
			switch (elink_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
			/* In this option, the first PHY makes sure to pass the
			 * traffic through itself only.
			 * Its not clear how to reset the link on the second phy
			 */
				active_external_phy = ELINK_EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
			/* In this option, the first PHY makes sure to pass the
			 * traffic through the second PHY.
			 */
				active_external_phy = ELINK_EXT_PHY2;
				break;
			default:
			/* Link indication on both PHYs with the following cases
			 * is invalid:
			 * - FIRST_PHY means that second phy wasn't initialized,
			 * hence its link is expected to be down
			 * - SECOND_PHY means that first phy should not be able
			 * to link up by itself (using configuration)
			 * - DEFAULT should be overriden during initialiazation
			 */
				ELINK_DEBUG_P1(sc, "Invalid link indication"
					   "mpc=0x%x. DISABLING LINK !!!\n",
					   params->multi_phy_config);
				ext_phy_link_up = 0;
				break;
			}
		}
	}
	prev_line_speed = vars->line_speed;
	/* Step 2:
	 * Read the status of the internal phy. In case of
	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
	 * otherwise this is the link between the 577xx and the first
	 * external phy
	 */
	if (params->phy[ELINK_INT_PHY].read_status)
		params->phy[ELINK_INT_PHY].read_status(
			&params->phy[ELINK_INT_PHY],
			params, vars);
	/* The INT_PHY flow control reside in the vars. This include the
	 * case where the speed or flow control are not set to AUTO.
	 * Otherwise, the active external phy flow control result is set
	 * to the vars. The ext_phy_line_speed is needed to check if the
	 * speed is different between the internal phy and external phy.
	 * This case may be result of intermediate link speed change.
	 */
	if (active_external_phy > ELINK_INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
		/* Link speed is taken from the XGXS. AN and FC result from
		 * the external phy.
		 */
		vars->link_status |= phy_vars[active_external_phy].link_status;

		/* if active_external_phy is first PHY and link is up - disable
		 * disable TX on second external PHY
		 */
		if (active_external_phy == ELINK_EXT_PHY1) {
			if (params->phy[ELINK_EXT_PHY2].phy_specific_func) {
				ELINK_DEBUG_P0(sc,
				   "Disabling TX on EXT_PHY2\n");
				params->phy[ELINK_EXT_PHY2].phy_specific_func(
					&params->phy[ELINK_EXT_PHY2],
					params, ELINK_DISABLE_TX);
			}
		}

		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
		vars->duplex = phy_vars[active_external_phy].duplex;
		if (params->phy[active_external_phy].supported &
		    ELINK_SUPPORTED_FIBRE)
			vars->link_status |= LINK_STATUS_SERDES_LINK;
		else
			vars->link_status &= ~LINK_STATUS_SERDES_LINK;

		vars->eee_status = phy_vars[active_external_phy].eee_status;

		ELINK_DEBUG_P1(sc, "Active external phy selected: %x\n",
			   active_external_phy);
	}
	
        ELINK_DEBUG_P3(sc, "vars : phy_flags = %x, mac_type = %x, phy_link_up = %x\n",
                       vars->phy_flags, vars->mac_type, vars->phy_link_up);
        ELINK_DEBUG_P3(sc, "vars : link_up = %x, line_speed = %x, duplex = %x\n",
                       vars->link_up, vars->line_speed, vars->duplex);
        ELINK_DEBUG_P3(sc, "vars : flow_ctrl = %x, ieee_fc = %x, link_status = %x\n",
                       vars->flow_ctrl, vars->ieee_fc, vars->link_status);
        ELINK_DEBUG_P3(sc, "vars : eee_status = %x, fault_detected = %x, check_kr2_recovery_cnt = %x\n",
                       vars->eee_status, vars->fault_detected, vars->check_kr2_recovery_cnt);
        ELINK_DEBUG_P3(sc, "vars : periodic_flags = %x, aeu_int_mask = %x, rx_tx_asic_rst = %x\n",
                       vars->periodic_flags, vars->aeu_int_mask, vars->rx_tx_asic_rst);
        ELINK_DEBUG_P2(sc, "vars : turn_to_run_wc_rt = %x, rsrv2 = %x\n",
                       vars->turn_to_run_wc_rt, vars->rsrv2);	

	for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		if (params->phy[phy_index].flags &
		    ELINK_FLAGS_REARM_LATCH_SIGNAL) {
			elink_rearm_latch_signal(sc, port,
						 phy_index ==
						 active_external_phy);
			break;
		}
	}
	ELINK_DEBUG_P3(sc, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
		   vars->link_status, ext_phy_line_speed);
	/* Upon link speed change set the NIG into drain mode. Comes to
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */

	if (vars->phy_link_up) {
		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
		    (ext_phy_line_speed != vars->line_speed)) {
			ELINK_DEBUG_P2(sc, "Internal link speed %d is"
				   " different than the external"
				   " link speed %d\n", vars->line_speed,
				   ext_phy_line_speed);
			vars->phy_link_up = 0;
			ELINK_DEBUG_P0(sc, "phy_link_up set to 0\n");
		} else if (prev_line_speed != vars->line_speed) {
			REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
			DELAY(1000 * 1);
		}
	}

	/* Anything 10 and over uses the bmac */
	link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);

	elink_link_int_ack(params, vars, link_10g_plus);

	/* In case external phy link is up, and internal link is down
	 * (not initialized yet probably after link initialization, it
	 * needs to be initialized.
	 * Note that after link down-up as result of cable plug, the xgxs
	 * link would probably become up again without the need
	 * initialize it
	 */
	if (!(ELINK_SINGLE_MEDIA_DIRECT(params))) {
		ELINK_DEBUG_P3(sc, "ext_phy_link_up = %d, int_link_up = %d,"
			   " init_preceding = %d\n", ext_phy_link_up,
			   vars->phy_link_up,
			   params->phy[ELINK_EXT_PHY1].flags &
			   ELINK_FLAGS_INIT_XGXS_FIRST);
		if (!(params->phy[ELINK_EXT_PHY1].flags &
		      ELINK_FLAGS_INIT_XGXS_FIRST)
		    && ext_phy_link_up && !vars->phy_link_up) {
			vars->line_speed = ext_phy_line_speed;
			if (vars->line_speed < ELINK_SPEED_1000)
				vars->phy_flags |= PHY_SGMII_FLAG;
			else
				vars->phy_flags &= ~PHY_SGMII_FLAG;

			if (params->phy[ELINK_INT_PHY].config_init)
				params->phy[ELINK_INT_PHY].config_init(
					&params->phy[ELINK_INT_PHY], params,
						vars);
		}
	}
	/* Link is up only if both local phy and external phy (in case of
	 * non-direct board) are up and no fault detected on active PHY.
	 */
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
			  ELINK_SINGLE_MEDIA_DIRECT(params)) &&
			 (phy_vars[active_external_phy].fault_detected == 0));

	if(vars->link_up) {
                ELINK_DEBUG_P0(sc, "local phy and external phy are up\n");
        } else {
                ELINK_DEBUG_P0(sc, "either local phy or external phy or both are down\n");
        }

	/* Update the PFC configuration in case it was changed */
	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;
	else
		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;

	if (vars->link_up)
		rc = elink_update_link_up(params, vars, link_10g_plus);
	else
		rc = elink_update_link_down(params, vars);

	if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
		elink_chng_link_count(params, 0);

	/* Update MCP link status was changed */
	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX)
		elink_cb_fw_command(sc, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);

	return rc;
}

/*****************************************************************************/
/*			    External Phy section			     */
/*****************************************************************************/
void elink_ext_phy_hw_reset(struct bxe_softc *sc, uint8_t port)
{
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
	DELAY(1000 * 1);
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
}

static void elink_save_spirom_version(struct bxe_softc *sc, uint8_t port,
				      uint32_t spirom_ver, uint32_t ver_addr)
{
	ELINK_DEBUG_P3(sc, "FW version 0x%x:0x%x for port %d\n",
		 (uint16_t)(spirom_ver>>16), (uint16_t)spirom_ver, port);

	if (ver_addr)
		REG_WR(sc, ver_addr, spirom_ver);
}

static void elink_save_bcm_spirom_ver(struct bxe_softc *sc,
				      struct elink_phy *phy,
				      uint8_t port)
{
	uint16_t fw_ver1, fw_ver2;

	elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
	elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
	elink_save_spirom_version(sc, port, (uint32_t)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
}

static void elink_ext_phy_10G_an_resolve(struct bxe_softc *sc,
				       struct elink_phy *phy,
				       struct elink_vars *vars)
{
	uint16_t val;
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_STATUS, &val);
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_STATUS, &val);
	if (val & (1<<5))
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
	if ((val & (1<<0)) == 0)
		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
}

/******************************************************************/
/*		common BCM8073/BCM8727 PHY SECTION		  */
/******************************************************************/
static void elink_8073_resolve_fc(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	if (phy->req_line_speed == ELINK_SPEED_10 ||
	    phy->req_line_speed == ELINK_SPEED_100) {
		vars->flow_ctrl = phy->req_flow_ctrl;
		return;
	}

	if (elink_ext_phy_resolve_fc(phy, params, vars) &&
	    (vars->flow_ctrl == ELINK_FLOW_CTRL_NONE)) {
		uint16_t pause_result;
		uint16_t ld_pause;		/* local */
		uint16_t lp_pause;		/* link partner */
		elink_cl45_read(sc, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_CL37_FC_LD, &ld_pause);

		elink_cl45_read(sc, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
		pause_result = (ld_pause &
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
		pause_result |= (lp_pause &
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;

		elink_pause_resolve(phy, params, vars, pause_result);
		ELINK_DEBUG_P1(sc, "Ext PHY CL37 pause result 0x%x\n",
			   pause_result);
	}
}
static elink_status_t elink_8073_8727_external_rom_boot(struct bxe_softc *sc,
					     struct elink_phy *phy,
					     uint8_t port)
{
	uint32_t count = 0;
	uint16_t fw_ver1, fw_msgout;
	elink_status_t rc = ELINK_STATUS_OK;

	/* Boot port from external ROM  */
	/* EDC grst */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);

	/* Ucode reboot and rst */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);

	/* Reset internal microprocessor */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);

	/* Release srst bit */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);

	/* Delay 100ms per the PHY specifications */
	DELAY(1000 * 100);

	/* 8073 sometimes taking longer to download */
	do {
		count++;
		if (count > 300) {
			ELINK_DEBUG_P2(sc,
				 "elink_8073_8727_external_rom_boot port %x:"
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
			rc = ELINK_STATUS_ERROR;
			break;
		}

		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);

		DELAY(1000 * 1);
	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
			((fw_msgout & 0xff) != 0x03 && (phy->type ==
			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));

	/* Clear ser_boot_ctl bit */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
	elink_save_bcm_spirom_ver(sc, phy, port);

	ELINK_DEBUG_P2(sc,
		 "elink_8073_8727_external_rom_boot port %x:"
		 "Download complete. fw version = 0x%x\n",
		 port, fw_ver1);

	return rc;
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
static elink_status_t elink_8073_is_snr_needed(struct bxe_softc *sc, struct elink_phy *phy)
{
	/* This is only required for 8073A1, version 102 only */
	uint16_t val;

	/* Read 8073 HW revision*/
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);

	if (val != 1) {
		/* No need to workaround in 8073 A1 */
		return ELINK_STATUS_OK;
	}

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);

	/* SNR should be applied only for version 0x102 */
	if (val != 0x102)
		return ELINK_STATUS_OK;

	return 1;
}

static elink_status_t elink_8073_xaui_wa(struct bxe_softc *sc, struct elink_phy *phy)
{
	uint16_t val, cnt, cnt1 ;

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);

	if (val > 0) {
		/* No need to workaround in 8073 A1 */
		return ELINK_STATUS_OK;
	}
	/* XAUI workaround in 8073 A0: */

	/* After loading the boot ROM and restarting Autoneg, poll
	 * Dev1, Reg $C820:
	 */

	for (cnt = 0; cnt < 1000; cnt++) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
		  /* If bit [14] = 0 or bit [13] = 0, continue on with
		   * system initialization (XAUI work-around not required, as
		   * these bits indicate 2.5G or 1G link up).
		   */
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			ELINK_DEBUG_P0(sc, "XAUI work-around not required\n");
			return ELINK_STATUS_OK;
		} else if (!(val & (1<<15))) {
			ELINK_DEBUG_P0(sc, "bit 15 went off\n");
			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
			 * MSB (bit15) goes to 1 (indicating that the XAUI
			 * workaround has completed), then continue on with
			 * system initialization.
			 */
			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
				elink_cl45_read(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8073_XAUI_WA, &val);
				if (val & (1<<15)) {
					ELINK_DEBUG_P0(sc,
					  "XAUI workaround has completed\n");
					return ELINK_STATUS_OK;
				 }
				 DELAY(1000 * 3);
			}
			break;
		}
		DELAY(1000 * 3);
	}
	ELINK_DEBUG_P0(sc, "Warning: XAUI work-around timeout !!!\n");
	return ELINK_STATUS_ERROR;
}

static void elink_807x_force_10G(struct bxe_softc *sc, struct elink_phy *phy)
{
	/* Force KR or KX */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
	elink_cl45_write(sc, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
}

static void elink_8073_set_pause_cl37(struct elink_params *params,
				      struct elink_phy *phy,
				      struct elink_vars *vars)
{
	uint16_t cl37_val;
	struct bxe_softc *sc = params->sc;
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);

	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
	}
	ELINK_DEBUG_P1(sc,
		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);

	elink_cl45_write(sc, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
	DELAY(1000 * 500);
}

static void elink_8073_specific_func(struct elink_phy *phy,
				     struct elink_params *params,
				     uint32_t action)
{
	struct bxe_softc *sc = params->sc;
	switch (action) {
	case ELINK_PHY_INIT:
		/* Enable LASI */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
		break;
	}
}

static elink_status_t elink_8073_config_init(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val = 0, tmp1;
	uint8_t gpio_port;
	ELINK_DEBUG_P0(sc, "Init 8073\n");

	if (CHIP_IS_E2(sc))
		gpio_port = SC_PATH(sc);
	else
		gpio_port = params->port;
	/* Restore normal power mode*/
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);

	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);

	elink_8073_specific_func(phy, params, ELINK_PHY_INIT);
	elink_8073_set_pause_cl37(params, phy, vars);

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);

	ELINK_DEBUG_P1(sc, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);

	/* Swap polarity if required - Must be done only in non-1G mode */
	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
		/* Configure the 8073 to swap _P and _N of the KR lines */
		ELINK_DEBUG_P0(sc, "Swapping polarity for the 8073\n");
		/* 10G Rx/Tx and 1G Tx signal polarity swap */
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
				 (val | (3<<9)));
	}


	/* Enable CL37 BAM */
	if (REG_RD(sc, params->shmem_base +
			 offsetof(struct shmem_region, dev_info.
				  port_hw_config[params->port].default_cfg)) &
	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {

		elink_cl45_read(sc, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8073_BAM, &val);
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8073_BAM, val | 1);
		ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR\n");
	}
	if (params->loopback_mode == ELINK_LOOPBACK_EXT) {
		elink_807x_force_10G(sc, phy);
		ELINK_DEBUG_P0(sc, "Forced speed 10G on 807X\n");
		return ELINK_STATUS_OK;
	} else {
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
	}
	if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) {
		if (phy->req_line_speed == ELINK_SPEED_10000) {
			val = (1<<7);
		} else if (phy->req_line_speed ==  ELINK_SPEED_2500) {
			val = (1<<5);
			/* Note that 2.5G works only when used with 1G
			 * advertisement
			 */
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);

		/* Note that 2.5G works only when used with 1G advertisement */
		if (phy->speed_cap_mask &
			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
			val |= (1<<5);
		ELINK_DEBUG_P1(sc, "807x autoneg val = 0x%x\n", val);
	}

	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);

	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
	     (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)) ||
	    (phy->req_line_speed == ELINK_SPEED_2500)) {
		uint16_t phy_ver;
		/* Allow 2.5G for A1 and above */
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
				&phy_ver);
		ELINK_DEBUG_P0(sc, "Add 2.5G\n");
		if (phy_ver > 0)
			tmp1 |= 1;
		else
			tmp1 &= 0xfffe;
	} else {
		ELINK_DEBUG_P0(sc, "Disable 2.5G\n");
		tmp1 &= 0xfffe;
	}

	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */

	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
				  0x20 : 0x40)));

	/* Add support for CL37 (passive mode) III */
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);

	/* The SNR will improve about 2db by changing BW and FEE main
	 * tap. Rest commands are executed after link is up
	 * Change FFE main cursor to 5 in EDC register
	 */
	if (elink_8073_is_snr_needed(sc, phy))
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);

	/* Enable FEC (Forware Error Correction) Request in the AN */
	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
	tmp1 |= (1<<15);
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);

	elink_ext_phy_set_pause(params, phy, vars);

	/* Restart autoneg */
	DELAY(1000 * 500);
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
	ELINK_DEBUG_P2(sc, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
	return ELINK_STATUS_OK;
}

static uint8_t elink_8073_read_status(struct elink_phy *phy,
				 struct elink_params *params,
				 struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t link_up = 0;
	uint16_t val1, val2;
	uint16_t link_status = 0;
	uint16_t an1000_status = 0;

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);

	ELINK_DEBUG_P1(sc, "8703 LASI status 0x%x\n", val1);

	/* Clear the interrupt LASI status register */
	elink_cl45_read(sc, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
	elink_cl45_read(sc, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
	ELINK_DEBUG_P2(sc, "807x PCS status 0x%x->0x%x\n", val2, val1);
	/* Clear MSG-OUT */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);

	/* Check the LASI */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);

	ELINK_DEBUG_P1(sc, "KR 0x9003 0x%x\n", val2);

	/* Check the link status */
	elink_cl45_read(sc, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
	ELINK_DEBUG_P1(sc, "KR PCS status 0x%x\n", val2);

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	link_up = ((val1 & 4) == 4);
	ELINK_DEBUG_P1(sc, "PMA_REG_STATUS=0x%x\n", val1);

	if (link_up &&
	     ((phy->req_line_speed != ELINK_SPEED_10000))) {
		if (elink_8073_xaui_wa(sc, phy) != 0)
			return 0;
	}
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);

	/* Check the link status on 1.1.2 */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	ELINK_DEBUG_P3(sc, "KR PMA status 0x%x->0x%x,"
		   "an_link_status=0x%x\n", val2, val1, an1000_status);

	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && elink_8073_is_snr_needed(sc, phy)) {
		/* The SNR will improve about 2dbby changing the BW and FEE main
		 * tap. The 1st write to change FFE main tap is set before
		 * restart AN. Change PLL Bandwidth in EDC register
		 */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);

		/* Change CDR Bandwidth in EDC register */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
				 0x0333);
	}
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
			&link_status);

	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = ELINK_SPEED_10000;
		ELINK_DEBUG_P1(sc, "port %x: External link up in 10G\n",
			   params->port);
	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
		link_up = 1;
		vars->line_speed = ELINK_SPEED_2500;
		ELINK_DEBUG_P1(sc, "port %x: External link up in 2.5G\n",
			   params->port);
	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
		link_up = 1;
		vars->line_speed = ELINK_SPEED_1000;
		ELINK_DEBUG_P1(sc, "port %x: External link up in 1G\n",
			   params->port);
	} else {
		link_up = 0;
		ELINK_DEBUG_P1(sc, "port %x: External link is down\n",
			   params->port);
	}

	if (link_up) {
		/* Swap polarity if required */
		if (params->lane_config &
		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
			/* Configure the 8073 to swap P and N of the KR lines */
			elink_cl45_read(sc, phy,
					MDIO_XS_DEVAD,
					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
			/* Set bit 3 to invert Rx in 1G mode and clear this bit
			 * when it`s in 10G mode.
			 */
			if (vars->line_speed == ELINK_SPEED_1000) {
				ELINK_DEBUG_P0(sc, "Swapping 1G polarity for"
					      "the 8073\n");
				val1 |= (1<<3);
			} else
				val1 &= ~(1<<3);

			elink_cl45_write(sc, phy,
					 MDIO_XS_DEVAD,
					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
					 val1);
		}
		elink_ext_phy_10G_an_resolve(sc, phy, vars);
		elink_8073_resolve_fc(phy, params, vars);
		vars->duplex = DUPLEX_FULL;
	}

	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG2, &val1);

		if (val1 & (1<<5))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
		if (val1 & (1<<7))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
	}

	return link_up;
}

static void elink_8073_link_reset(struct elink_phy *phy,
				  struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint8_t gpio_port;
	if (CHIP_IS_E2(sc))
		gpio_port = SC_PATH(sc);
	else
		gpio_port = params->port;
	ELINK_DEBUG_P1(sc, "Setting 8073 port %d into low power mode\n",
	   gpio_port);
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
static elink_status_t elink_8705_config_init(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "init 8705\n");
	/* Restore normal power mode*/
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	elink_ext_phy_hw_reset(sc, params->port);
	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
	elink_wait_reset_complete(sc, phy, params);

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
	elink_cl45_write(sc, phy,
			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
	/* BCM8705 doesn't have microcode, hence the 0 */
	elink_save_spirom_version(sc, params->port, params->shmem_base, 0);
	return ELINK_STATUS_OK;
}

static uint8_t elink_8705_read_status(struct elink_phy *phy,
				 struct elink_params *params,
				 struct elink_vars *vars)
{
	uint8_t link_up = 0;
	uint16_t val1, rx_sd;
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "read status 8705\n");
	elink_cl45_read(sc, phy,
		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
	ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x\n", val1);

	elink_cl45_read(sc, phy,
		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
	ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x\n", val1);

	elink_cl45_read(sc, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);

	elink_cl45_read(sc, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	elink_cl45_read(sc, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);

	ELINK_DEBUG_P1(sc, "8705 1.c809 val=0x%x\n", val1);
	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
	if (link_up) {
		vars->line_speed = ELINK_SPEED_10000;
		elink_ext_phy_resolve_fc(phy, params, vars);
	}
	return link_up;
}

/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
static void elink_set_disable_pmd_transmit(struct elink_params *params,
					   struct elink_phy *phy,
					   uint8_t pmd_dis)
{
	struct bxe_softc *sc = params->sc;
	/* Disable transmitter only for bootcodes which can enable it afterwards
	 * (for D3 link)
	 */
	if (pmd_dis) {
		if (params->feature_config_flags &
		     ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) {
			ELINK_DEBUG_P0(sc, "Disabling PMD transmitter\n");
		} else {
			ELINK_DEBUG_P0(sc, "NOT disabling PMD transmitter\n");
			return;
		}
	} else
		ELINK_DEBUG_P0(sc, "Enabling PMD transmitter\n");
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
}

static uint8_t elink_get_gpio_port(struct elink_params *params)
{
	uint8_t gpio_port;
	uint32_t swap_val, swap_override;
	struct bxe_softc *sc = params->sc;
	if (CHIP_IS_E2(sc))
		gpio_port = SC_PATH(sc);
	else
		gpio_port = params->port;
	swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
	return gpio_port ^ (swap_val && swap_override);
}

static void elink_sfp_e1e2_set_transmitter(struct elink_params *params,
					   struct elink_phy *phy,
					   uint8_t tx_en)
{
	uint16_t val;
	uint8_t port = params->port;
	struct bxe_softc *sc = params->sc;
	uint32_t tx_en_mode;

	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
	tx_en_mode = REG_RD(sc, params->shmem_base +
			    offsetof(struct shmem_region,
				     dev_info.port_hw_config[port].sfp_ctrl)) &
		PORT_HW_CFG_TX_LASER_MASK;
	ELINK_DEBUG_P3(sc, "Setting transmitter tx_en=%x for port %x "
			   "mode = %x\n", tx_en, port, tx_en_mode);
	switch (tx_en_mode) {
	case PORT_HW_CFG_TX_LASER_MDIO:

		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_PHY_IDENTIFIER,
				&val);

		if (tx_en)
			val &= ~(1<<15);
		else
			val |= (1<<15);

		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER,
				 val);
	break;
	case PORT_HW_CFG_TX_LASER_GPIO0:
	case PORT_HW_CFG_TX_LASER_GPIO1:
	case PORT_HW_CFG_TX_LASER_GPIO2:
	case PORT_HW_CFG_TX_LASER_GPIO3:
	{
		uint16_t gpio_pin;
		uint8_t gpio_port, gpio_mode;
		if (tx_en)
			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
		else
			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;

		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
		gpio_port = elink_get_gpio_port(params);
		elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
		break;
	}
	default:
		ELINK_DEBUG_P1(sc, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
		break;
	}
}

static void elink_sfp_set_transmitter(struct elink_params *params,
				      struct elink_phy *phy,
				      uint8_t tx_en)
{
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P1(sc, "Setting SFP+ transmitter to %d\n", tx_en);
	if (CHIP_IS_E3(sc))
		elink_sfp_e3_set_transmitter(params, phy, tx_en);
	else
		elink_sfp_e1e2_set_transmitter(params, phy, tx_en);
}

static elink_status_t elink_8726_read_sfp_module_eeprom(struct elink_phy *phy,
					     struct elink_params *params,
					     uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
					     uint8_t *o_buf, uint8_t is_init)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val = 0;
	uint16_t i;
	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
		ELINK_DEBUG_P0(sc,
		   "Reading from eeprom is limited to 0xf\n");
		return ELINK_STATUS_ERROR;
	}
	/* Set the read command byte count */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 (byte_cnt | (dev_addr << 8)));

	/* Set the read command address */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);

	/* Activate read command */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x2c0f);

	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		DELAY(5);
	}

	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
		ELINK_DEBUG_P1(sc,
			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
		return ELINK_STATUS_ERROR;
	}

	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
		o_buf[i] = (uint8_t)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
	}

	for (i = 0; i < 100; i++) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
			return ELINK_STATUS_OK;
		DELAY(1000 * 1);
	}
	return ELINK_STATUS_ERROR;
}

static void elink_warpcore_power_module(struct elink_params *params,
					uint8_t power)
{
	uint32_t pin_cfg;
	struct bxe_softc *sc = params->sc;

	pin_cfg = (REG_RD(sc, params->shmem_base +
			  offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
			PORT_HW_CFG_E3_PWR_DIS_SHIFT;

	if (pin_cfg == PIN_CFG_NA)
		return;
	ELINK_DEBUG_P2(sc, "Setting SFP+ module power to %d using pin cfg %d\n",
		       power, pin_cfg);
	/* Low ==> corresponding SFP+ module is powered
	 * high ==> the SFP+ module is powered down
	 */
	elink_set_cfg_pin(sc, pin_cfg, power ^ 1);
}
static elink_status_t elink_warpcore_read_sfp_module_eeprom(struct elink_phy *phy,
						 struct elink_params *params,
						 uint8_t dev_addr,
						 uint16_t addr, uint8_t byte_cnt,
						 uint8_t *o_buf, uint8_t is_init)
{
	elink_status_t rc = ELINK_STATUS_OK;
	uint8_t i, j = 0, cnt = 0;
	uint32_t data_array[4];
	uint16_t addr32;
	struct bxe_softc *sc = params->sc;

	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
		ELINK_DEBUG_P0(sc,
		   "Reading from eeprom is limited to 16 bytes\n");
		return ELINK_STATUS_ERROR;
	}

	/* 4 byte aligned address */
	addr32 = addr & (~0x3);
	do {
		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
			elink_warpcore_power_module(params, 0);
			/* Note that 100us are not enough here */
			DELAY(1000 * 1);
			elink_warpcore_power_module(params, 1);
		}

		elink_bsc_module_sel(params);
		rc = elink_bsc_read(sc, dev_addr, addr32, 0, byte_cnt,
				    data_array);
	} while ((rc != ELINK_STATUS_OK) && (++cnt < I2C_WA_RETRY_CNT));

	if (rc == ELINK_STATUS_OK) {
		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
			o_buf[j] = *((uint8_t *)data_array + i);
			j++;
		}
	}

	return rc;
}

static elink_status_t elink_8727_read_sfp_module_eeprom(struct elink_phy *phy,
					     struct elink_params *params,
					     uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
					     uint8_t *o_buf, uint8_t is_init)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val, i;

	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
		ELINK_DEBUG_P0(sc,
		   "Reading from eeprom is limited to 0xf\n");
		return ELINK_STATUS_ERROR;
	}

	/* Set 2-wire transfer rate of SFP+ module EEPROM
	 * to 100Khz since some DACs(direct attached cables) do
	 * not work at 400Khz.
	 */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
			 ((dev_addr << 8) | 1));

	/* Need to read from 1.8000 to clear it */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);

	/* Set the read command byte count */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));

	/* Set the read command address */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
	/* Set the destination address */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);

	/* Activate read command */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
	/* Wait appropriate time for two-wire command to finish before
	 * polling the status register
	 */
	DELAY(1000 * 1);

	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		DELAY(5);
	}

	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
		ELINK_DEBUG_P1(sc,
			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
		return ELINK_STATUS_TIMEOUT;
	}

	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
		o_buf[i] = (uint8_t)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}

	for (i = 0; i < 100; i++) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
			return ELINK_STATUS_OK;
		DELAY(1000 * 1);
	}

	return ELINK_STATUS_ERROR;
}
elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy,
				 struct elink_params *params, uint8_t dev_addr,
				 uint16_t addr, uint16_t byte_cnt, uint8_t *o_buf)
{
	elink_status_t rc = 0;
	struct bxe_softc *sc = params->sc;
	uint8_t xfer_size;
	uint8_t *user_data = o_buf;
	read_sfp_module_eeprom_func_p read_func;
	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
		ELINK_DEBUG_P1(sc, "invalid dev_addr 0x%x\n", dev_addr);
		return ELINK_STATUS_ERROR;
	}

	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		read_func = elink_8726_read_sfp_module_eeprom;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		read_func = elink_8727_read_sfp_module_eeprom;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		read_func = elink_warpcore_read_sfp_module_eeprom;
		break;
	default:
		return ELINK_OP_NOT_SUPPORTED;
	}

	while (!rc && (byte_cnt > 0)) {
		xfer_size = (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) ?
			ELINK_SFP_EEPROM_PAGE_SIZE : byte_cnt;
		rc = read_func(phy, params, dev_addr, addr, xfer_size,
			       user_data, 0);
		byte_cnt -= xfer_size;
		user_data += xfer_size;
		addr += xfer_size;
	}
	return rc;
}

static elink_status_t elink_get_edc_mode(struct elink_phy *phy,
			      struct elink_params *params,
			      uint16_t *edc_mode)
{
	struct bxe_softc *sc = params->sc;
	uint32_t sync_offset = 0, phy_idx, media_types;
	uint8_t val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
	*edc_mode = ELINK_EDC_MODE_LIMITING;
	phy->media_type = ELINK_ETH_PHY_UNSPECIFIED;
	/* First check for copper cable */
	if (elink_read_sfp_module_eeprom(phy,
					 params,
					 ELINK_I2C_DEV_ADDR_A0,
					 0,
					 ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1,
					 (uint8_t *)val) != 0) {
		ELINK_DEBUG_P0(sc, "Failed to read from SFP+ module EEPROM\n");
		return ELINK_STATUS_ERROR;
	}
	params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
	params->link_attr_sync |= val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] <<
		LINK_SFP_EEPROM_COMP_CODE_SHIFT;
	elink_update_link_attr(params, params->link_attr_sync);
	switch (val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]) {
	case ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		uint8_t copper_module_type;
		phy->media_type = ELINK_ETH_PHY_DA_TWINAX;
		/* Check if its active cable (includes SFP+ module)
		 * of passive cable
		 */
		copper_module_type = val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR];
		if (copper_module_type &
		    ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
			ELINK_DEBUG_P0(sc, "Active Copper cable detected\n");
			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
				*edc_mode = ELINK_EDC_MODE_ACTIVE_DAC;
			else
				check_limiting_mode = 1;
		} else {
			*edc_mode = ELINK_EDC_MODE_PASSIVE_DAC;
			/* Even in case PASSIVE_DAC indication is not set,
			 * treat it as a passive DAC cable, since some cables
			 * don't have this indication.
			 */
			if (copper_module_type &
			    ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
				ELINK_DEBUG_P0(sc,
					       "Passive Copper cable detected\n");
			} else {
				ELINK_DEBUG_P0(sc,
					       "Unknown copper-cable-type\n");
			}
		}
		break;
	}
	case ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
	case ELINK_SFP_EEPROM_CON_TYPE_VAL_SC:
	case ELINK_SFP_EEPROM_CON_TYPE_VAL_LC:
	case ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45:
		check_limiting_mode = 1;
		/* Module is considered as 1G in case it's NOT compliant with
		 * any 10G ethernet protocol, but is 1G Ethernet compliant.
		 */
		if (((val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] &
		      (ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK |
		       ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK |
		       ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
		    (val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
			ELINK_DEBUG_P0(sc, "1G SFP module detected\n");
			phy->media_type = ELINK_ETH_PHY_SFP_1G_FIBER;
			if ((phy->req_line_speed != ELINK_SPEED_1000) &&
			    (phy->req_line_speed != ELINK_SPEED_2500)) {
				uint8_t gport = params->port;
				phy->req_line_speed = ELINK_SPEED_1000;
				if (!CHIP_IS_E1x(sc)) {
					gport = SC_PATH(sc) +
					(params->port << 1);
				}
				elink_cb_event_log(sc, ELINK_LOG_ID_NON_10G_MODULE, gport); //"Warning: Link speed was forced to 1000Mbps."
				     // " Current SFP module in port %d is not"
				     // " compliant with 10G Ethernet\n",
			}

			if (val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] &
			    ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T) {
				/* Some 1G-baseT modules will not link up,
				 * unless TX_EN is toggled with long delay in
				 * between.
				 */
				elink_sfp_set_transmitter(params, phy, 0);
				DELAY(1000 * 40);
				elink_sfp_set_transmitter(params, phy, 1);
			}
		} else {
			int idx, cfg_idx = 0;
			ELINK_DEBUG_P0(sc, "10G Optic module detected\n");
			for (idx = ELINK_INT_PHY; idx < ELINK_MAX_PHYS; idx++) {
				if (params->phy[idx].type == phy->type) {
					cfg_idx = ELINK_LINK_CONFIG_IDX(idx);
					break;
				}
			}
			phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
			phy->req_line_speed = params->req_line_speed[cfg_idx];
		}
		break;
	default:
		ELINK_DEBUG_P1(sc, "Unable to determine module type 0x%x !!!\n",
			 val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]);
		return ELINK_STATUS_ERROR;
	}
	sync_offset = params->shmem_base +
		offsetof(struct shmem_region,
			 dev_info.port_hw_config[params->port].media_type);
	media_types = REG_RD(sc, sync_offset);
	/* Update media type for non-PMF sync */
	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
		if (&(params->phy[phy_idx]) == phy) {
			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
			media_types |= ((phy->media_type &
					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
			break;
		}
	}
	REG_WR(sc, sync_offset, media_types);
	if (check_limiting_mode) {
		uint8_t options[ELINK_SFP_EEPROM_OPTIONS_SIZE];
		if (elink_read_sfp_module_eeprom(phy,
						 params,
						 ELINK_I2C_DEV_ADDR_A0,
						 ELINK_SFP_EEPROM_OPTIONS_ADDR,
						 ELINK_SFP_EEPROM_OPTIONS_SIZE,
						 options) != 0) {
			ELINK_DEBUG_P0(sc,
			   "Failed to read Option field from module EEPROM\n");
			return ELINK_STATUS_ERROR;
		}
		if ((options[0] & ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = ELINK_EDC_MODE_LINEAR;
		else
			*edc_mode = ELINK_EDC_MODE_LIMITING;
	}
	ELINK_DEBUG_P1(sc, "EDC mode is set to 0x%x\n", *edc_mode);
	return ELINK_STATUS_OK;
}
/* This function read the relevant field from the module (SFP+), and verify it
 * is compliant with this board
 */
static elink_status_t elink_verify_sfp_module(struct elink_phy *phy,
				   struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint32_t val, cmd;
	uint32_t fw_resp, fw_cmd_param;
	char vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE+1];
	phy->flags &= ~ELINK_FLAGS_SFP_NOT_APPROVED;
	val = REG_RD(sc, params->shmem_base +
			 offsetof(struct shmem_region, dev_info.
				  port_feature_config[params->port].config));
	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
		ELINK_DEBUG_P0(sc, "NOT enforcing module verification\n");
		return ELINK_STATUS_OK;
	}

	if (params->feature_config_flags &
	    ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
		/* Use specific phy request */
		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
	} else if (params->feature_config_flags &
		   ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
		/* Use first phy request only in case of non-dual media*/
		if (ELINK_DUAL_MEDIA(params)) {
			ELINK_DEBUG_P0(sc,
			   "FW does not support OPT MDL verification\n");
			return ELINK_STATUS_ERROR;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
		ELINK_DEBUG_P0(sc,
		   "FW does not support OPT MDL verification\n");
		return ELINK_STATUS_ERROR;
	}

	fw_cmd_param = ELINK_FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
	fw_resp = elink_cb_fw_command(sc, cmd, fw_cmd_param);
	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
		ELINK_DEBUG_P0(sc, "Approved module\n");
		return ELINK_STATUS_OK;
	}

	/* Format the warning message */
	if (elink_read_sfp_module_eeprom(phy,
					 params,
					 ELINK_I2C_DEV_ADDR_A0,
					 ELINK_SFP_EEPROM_VENDOR_NAME_ADDR,
					 ELINK_SFP_EEPROM_VENDOR_NAME_SIZE,
					 (uint8_t *)vendor_name))
		vendor_name[0] = '\0';
	else
		vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
	if (elink_read_sfp_module_eeprom(phy,
					 params,
					 ELINK_I2C_DEV_ADDR_A0,
					 ELINK_SFP_EEPROM_PART_NO_ADDR,
					 ELINK_SFP_EEPROM_PART_NO_SIZE,
					 (uint8_t *)vendor_pn))
		vendor_pn[0] = '\0';
	else
		vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE] = '\0';

	elink_cb_event_log(sc, ELINK_LOG_ID_UNQUAL_IO_MODULE, params->port, vendor_name, vendor_pn); // "Warning: Unqualified SFP+ module detected,"
			     // " Port %d from %s part number %s\n",

	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
		phy->flags |= ELINK_FLAGS_SFP_NOT_APPROVED;
	return ELINK_STATUS_ERROR;
}

static elink_status_t elink_wait_for_sfp_module_initialized(struct elink_phy *phy,
						 struct elink_params *params)

{
	uint8_t val;
	elink_status_t rc;
	struct bxe_softc *sc = params->sc;
	uint16_t timeout;
	/* Initialization time after hot-plug may take up to 300ms for
	 * some phys type ( e.g. JDSU )
	 */

	for (timeout = 0; timeout < 60; timeout++) {
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
			rc = elink_warpcore_read_sfp_module_eeprom(
				phy, params, ELINK_I2C_DEV_ADDR_A0, 1, 1, &val,
				1);
		else
			rc = elink_read_sfp_module_eeprom(phy, params,
							  ELINK_I2C_DEV_ADDR_A0,
							  1, 1, &val);
		if (rc == 0) {
			ELINK_DEBUG_P1(sc,
			   "SFP+ module initialization took %d ms\n",
			   timeout * 5);
			return ELINK_STATUS_OK;
		}
		DELAY(1000 * 5);
	}
	rc = elink_read_sfp_module_eeprom(phy, params, ELINK_I2C_DEV_ADDR_A0,
					  1, 1, &val);
	return rc;
}

static void elink_8727_power_module(struct bxe_softc *sc,
				    struct elink_phy *phy,
				    uint8_t is_power_up) {
	/* Make sure GPIOs are not using for LED mode */
	uint16_t val;
	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
	 *
	 * In case of NOC feature is disabled and power is up, set GPIO control
	 *  as input to enable listening of over-current indication
	 */
	if (phy->flags & ELINK_FLAGS_NOC)
		return;
	if (is_power_up)
		val = (1<<4);
	else
		/* Set GPIO control to OUTPUT, and set the power bit
		 * to according to the is_power_up
		 */
		val = (1<<1);

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}

static elink_status_t elink_8726_set_limiting_mode(struct bxe_softc *sc,
					struct elink_phy *phy,
					uint16_t edc_mode)
{
	uint16_t cur_limiting_mode;

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
	ELINK_DEBUG_P1(sc, "Current Limiting mode is 0x%x\n",
		 cur_limiting_mode);

	if (edc_mode == ELINK_EDC_MODE_LIMITING) {
		ELINK_DEBUG_P0(sc, "Setting LIMITING MODE\n");
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 ELINK_EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/

		ELINK_DEBUG_P0(sc, "Setting LRM MODE\n");

		/* Changing to LRM mode takes quite few seconds. So do it only
		 * if current mode is limiting (default is LRM)
		 */
		if (cur_limiting_mode != ELINK_EDC_MODE_LIMITING)
			return ELINK_STATUS_OK;

		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
	}
	return ELINK_STATUS_OK;
}

static elink_status_t elink_8727_set_limiting_mode(struct bxe_softc *sc,
					struct elink_phy *phy,
					uint16_t edc_mode)
{
	uint16_t phy_identifier;
	uint16_t rom_ver2_val;
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));

	return ELINK_STATUS_OK;
}

static void elink_8727_specific_func(struct elink_phy *phy,
				     struct elink_params *params,
				     uint32_t action)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val;
	switch (action) {
	case ELINK_DISABLE_TX:
		elink_sfp_set_transmitter(params, phy, 0);
		break;
	case ELINK_ENABLE_TX:
		if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED))
			elink_sfp_set_transmitter(params, phy, 1);
		break;
	case ELINK_PHY_INIT:
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
				 (1<<2) | (1<<5));
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
				 0);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
		/* Make MOD_ABS give interrupt on change */
		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
				&val);
		val |= (1<<12);
		if (phy->flags & ELINK_FLAGS_NOC)
			val |= (3<<5);
		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
		 * status which reflect SFP+ module over-current
		 */
		if (!(phy->flags & ELINK_FLAGS_NOC))
			val &= 0xff8f; /* Reset bits 4-6 */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
				 val);
		break;
	default:
		ELINK_DEBUG_P1(sc, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

static void elink_set_e1e2_module_fault_led(struct elink_params *params,
					   uint8_t gpio_mode)
{
	struct bxe_softc *sc = params->sc;

	uint32_t fault_led_gpio = REG_RD(sc, params->shmem_base +
			    offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].sfp_ctrl)) &
		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
	switch (fault_led_gpio) {
	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
		return;
	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
	{
		uint8_t gpio_port = elink_get_gpio_port(params);
		uint16_t gpio_pin = fault_led_gpio -
			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
		ELINK_DEBUG_P3(sc, "Set fault module-detected led "
				   "pin %x port %x mode %x\n",
			       gpio_pin, gpio_port, gpio_mode);
		elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
	}
	break;
	default:
		ELINK_DEBUG_P1(sc, "Error: Invalid fault led mode 0x%x\n",
			       fault_led_gpio);
	}
}

static void elink_set_e3_module_fault_led(struct elink_params *params,
					  uint8_t gpio_mode)
{
	uint32_t pin_cfg;
	uint8_t port = params->port;
	struct bxe_softc *sc = params->sc;
	pin_cfg = (REG_RD(sc, params->shmem_base +
			 offsetof(struct shmem_region,
				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
	ELINK_DEBUG_P2(sc, "Setting Fault LED to %d using pin cfg %d\n",
		       gpio_mode, pin_cfg);
	elink_set_cfg_pin(sc, pin_cfg, gpio_mode);
}

static void elink_set_sfp_module_fault_led(struct elink_params *params,
					   uint8_t gpio_mode)
{
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P1(sc, "Setting SFP+ module fault LED to %d\n", gpio_mode);
	if (CHIP_IS_E3(sc)) {
		/* Low ==> if SFP+ module is supported otherwise
		 * High ==> if SFP+ module is not on the approved vendor list
		 */
		elink_set_e3_module_fault_led(params, gpio_mode);
	} else
		elink_set_e1e2_module_fault_led(params, gpio_mode);
}

static void elink_warpcore_hw_reset(struct elink_phy *phy,
				    struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	elink_warpcore_power_module(params, 0);
	/* Put Warpcore in low power mode */
	REG_WR(sc, MISC_REG_WC0_RESET, 0x0c0e);

	/* Put LCPLL in low power mode */
	REG_WR(sc, MISC_REG_LCPLL_E40_PWRDWN, 1);
	REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
	REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
}

static void elink_power_sfp_module(struct elink_params *params,
				   struct elink_phy *phy,
				   uint8_t power)
{
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P1(sc, "Setting SFP+ power to %x\n", power);

	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		elink_8727_power_module(params->sc, phy, power);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		elink_warpcore_power_module(params, power);
		break;
	default:
		break;
	}
}
static void elink_warpcore_set_limiting_mode(struct elink_params *params,
					     struct elink_phy *phy,
					     uint16_t edc_mode)
{
	uint16_t val = 0;
	uint16_t mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
	struct bxe_softc *sc = params->sc;

	uint8_t lane = elink_get_warpcore_lane(phy, params);
	/* This is a global register which controls all lanes */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
	val &= ~(0xf << (lane << 2));

	switch (edc_mode) {
	case ELINK_EDC_MODE_LINEAR:
	case ELINK_EDC_MODE_LIMITING:
		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
		break;
	case ELINK_EDC_MODE_PASSIVE_DAC:
	case ELINK_EDC_MODE_ACTIVE_DAC:
		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
		break;
	default:
		break;
	}

	val |= (mode << (lane << 2));
	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
	/* A must read */
	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);

	/* Restart microcode to re-read the new mode */
	elink_warpcore_reset_lane(sc, phy, 1);
	elink_warpcore_reset_lane(sc, phy, 0);

}

static void elink_set_limiting_mode(struct elink_params *params,
				    struct elink_phy *phy,
				    uint16_t edc_mode)
{
	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		elink_8726_set_limiting_mode(params->sc, phy, edc_mode);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		elink_8727_set_limiting_mode(params->sc, phy, edc_mode);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		elink_warpcore_set_limiting_mode(params, phy, edc_mode);
		break;
	}
}

elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
			       struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t edc_mode;
	elink_status_t rc = ELINK_STATUS_OK;

	uint32_t val = REG_RD(sc, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
	/* Enabled transmitter by default */
	elink_sfp_set_transmitter(params, phy, 1);
	ELINK_DEBUG_P1(sc, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);
	/* Power up module */
	elink_power_sfp_module(params, phy, 1);
	if (elink_get_edc_mode(phy, params, &edc_mode) != 0) {
		ELINK_DEBUG_P0(sc, "Failed to get valid module type\n");
		return ELINK_STATUS_ERROR;
	} else if (elink_verify_sfp_module(phy, params) != 0) {
		/* Check SFP+ module compatibility */
		ELINK_DEBUG_P0(sc, "Module verification failed!!\n");
		rc = ELINK_STATUS_ERROR;
		/* Turn on fault module-detected led */
		elink_set_sfp_module_fault_led(params,
					       MISC_REGISTERS_GPIO_HIGH);

		/* Check if need to power down the SFP+ module */
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
			ELINK_DEBUG_P0(sc, "Shutdown SFP+ module!!\n");
			elink_power_sfp_module(params, phy, 0);
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
		elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
	}

	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
	 * is done automatically
	 */
	elink_set_limiting_mode(params, phy, edc_mode);

	/* Disable transmit for this module if the module is not approved, and
	 * laser needs to be disabled.
	 */
	if ((rc != 0) &&
	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
		elink_sfp_set_transmitter(params, phy, 0);

	return rc;
}

void elink_handle_module_detect_int(struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	struct elink_phy *phy;
	uint32_t gpio_val;
	uint8_t gpio_num, gpio_port;
	if (CHIP_IS_E3(sc)) {
		phy = &params->phy[ELINK_INT_PHY];
		/* Always enable TX laser,will be disabled in case of fault */
		elink_sfp_set_transmitter(params, phy, 1);
	} else {
		phy = &params->phy[ELINK_EXT_PHY1];
	}
	if (elink_get_mod_abs_int_cfg(sc, params->chip_id, params->shmem_base,
				      params->port, &gpio_num, &gpio_port) ==
	    ELINK_STATUS_ERROR) {
		ELINK_DEBUG_P0(sc, "Failed to get MOD_ABS interrupt config\n");
		return;
	}

	/* Set valid module led off */
	elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);

	/* Get current gpio val reflecting module plugged in / out*/
	gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);

	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
		elink_set_mdio_emac_per_phy(sc, params);
		elink_set_aer_mmd(params, phy);

		elink_power_sfp_module(params, phy, 1);
		elink_cb_gpio_int_write(sc, gpio_num,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
				   gpio_port);
		if (elink_wait_for_sfp_module_initialized(phy, params) == 0) {
			elink_sfp_module_detection(phy, params);
			if (CHIP_IS_E3(sc)) {
				uint16_t rx_tx_in_reset;
				/* In case WC is out of reset, reconfigure the
				 * link speed while taking into account 1G
				 * module limitation.
				 */
				elink_cl45_read(sc, phy,
						MDIO_WC_DEVAD,
						MDIO_WC_REG_DIGITAL5_MISC6,
						&rx_tx_in_reset);
				if ((!rx_tx_in_reset) &&
				    (params->link_flags &
				     ELINK_PHY_INITIALIZED)) {
					elink_warpcore_reset_lane(sc, phy, 1);
					elink_warpcore_config_sfi(phy, params);
					elink_warpcore_reset_lane(sc, phy, 0);
				}
			}
		} else {
			ELINK_DEBUG_P0(sc, "SFP+ module is not initialized\n");
		}
	} else {
		elink_cb_gpio_int_write(sc, gpio_num,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
				   gpio_port);
		/* Module was plugged out.
		 * Disable transmit for this module
		 */
		phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
	}
}

/******************************************************************/
/*		Used by 8706 and 8727                             */
/******************************************************************/
static void elink_sfp_mask_fault(struct bxe_softc *sc,
				 struct elink_phy *phy,
				 uint16_t alarm_status_offset,
				 uint16_t alarm_ctrl_offset)
{
	uint16_t alarm_status, val;
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, alarm_status_offset,
			&alarm_status);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, alarm_status_offset,
			&alarm_status);
	/* Mask or enable the fault event. */
	elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
	if (alarm_status & (1<<0))
		val &= ~(1<<0);
	else
		val |= (1<<0);
	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
}
/******************************************************************/
/*		common BCM8706/BCM8726 PHY SECTION		  */
/******************************************************************/
static uint8_t elink_8706_8726_read_status(struct elink_phy *phy,
				      struct elink_params *params,
				      struct elink_vars *vars)
{
	uint8_t link_up = 0;
	uint16_t val1, val2, rx_sd, pcs_status;
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "XGXS 8706/8726\n");
	/* Clear RX Alarm*/
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);

	elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);

	/* Clear LASI indication*/
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
	ELINK_DEBUG_P2(sc, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
	elink_cl45_read(sc, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);

	ELINK_DEBUG_P3(sc, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
			" link_status 0x%x\n", rx_sd, pcs_status, val2);
	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
	 * are set, or if the autoneg bit 1 is set
	 */
	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
	if (link_up) {
		if (val2 & (1<<1))
			vars->line_speed = ELINK_SPEED_1000;
		else
			vars->line_speed = ELINK_SPEED_10000;
		elink_ext_phy_resolve_fc(phy, params, vars);
		vars->duplex = DUPLEX_FULL;
	}

	/* Capture 10G link fault. Read twice to clear stale value. */
	if (vars->line_speed == ELINK_SPEED_10000) {
		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
			    MDIO_PMA_LASI_TXSTAT, &val1);
		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
			    MDIO_PMA_LASI_TXSTAT, &val1);
		if (val1 & (1<<0))
			vars->fault_detected = 1;
	}

	return link_up;
}

/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static uint8_t elink_8706_config_init(struct elink_phy *phy,
				 struct elink_params *params,
				 struct elink_vars *vars)
{
	uint32_t tx_en_mode;
	uint16_t cnt, val, tmp1;
	struct bxe_softc *sc = params->sc;

	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	elink_ext_phy_hw_reset(sc, params->port);
	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
	elink_wait_reset_complete(sc, phy, params);

	/* Wait until fw is loaded */
	for (cnt = 0; cnt < 100; cnt++) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
		if (val)
			break;
		DELAY(1000 * 10);
	}
	ELINK_DEBUG_P1(sc, "XGXS 8706 is initialized after %d ms\n", cnt);
	if ((params->feature_config_flags &
	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		uint8_t i;
		uint16_t reg;
		for (i = 0; i < 4; i++) {
			reg = MDIO_XS_8706_REG_BANK_RX0 +
				i*(MDIO_XS_8706_REG_BANK_RX1 -
				   MDIO_XS_8706_REG_BANK_RX0);
			elink_cl45_read(sc, phy, MDIO_XS_DEVAD, reg, &val);
			/* Clear first 3 bits of the control */
			val &= ~0x7;
			/* Set control bits according to configuration */
			val |= (phy->rx_preemphasis[i] & 0x7);
			ELINK_DEBUG_P2(sc, "Setting RX Equalizer to BCM8706"
				   " reg 0x%x <-- val 0x%x\n", reg, val);
			elink_cl45_write(sc, phy, MDIO_XS_DEVAD, reg, val);
		}
	}
	/* Force speed */
	if (phy->req_line_speed == ELINK_SPEED_10000) {
		ELINK_DEBUG_P0(sc, "XGXS 8706 force 10Gbps\n");

		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
				 0);
		/* Arm LASI for link and Tx fault. */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
	} else {
		/* Force 1Gbps using autoneg with 1G advertisement */

		/* Allow CL37 through CL73 */
		ELINK_DEBUG_P0(sc, "XGXS 8706 AutoNeg\n");
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);

		/* Enable Full-Duplex advertisement on CL37 */
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
		/* Enable CL37 AN */
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		/* 1G support */
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));

		/* Enable clause 73 AN */
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
				 0x0400);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
				 0x0004);
	}
	elink_save_bcm_spirom_ver(sc, phy, params->port);

	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
	 * power mode, if TX Laser is disabled
	 */

	tx_en_mode = REG_RD(sc, params->shmem_base +
			    offsetof(struct shmem_region,
				dev_info.port_hw_config[params->port].sfp_ctrl))
			& PORT_HW_CFG_TX_LASER_MASK;

	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
		ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS\n");
		elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
		tmp1 |= 0x1;
		elink_cl45_write(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
	}

	return ELINK_STATUS_OK;
}

static elink_status_t elink_8706_read_status(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	return elink_8706_8726_read_status(phy, params, vars);
}

/******************************************************************/
/*			BCM8726 PHY SECTION			  */
/******************************************************************/
static void elink_8726_config_loopback(struct elink_phy *phy,
				       struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "PMA/PMD ext_phy_loopback: 8726\n");
	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
}

static void elink_8726_external_rom_boot(struct elink_phy *phy,
					 struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	/* Need to wait 100ms after reset */
	DELAY(1000 * 100);

	/* Micro controller re-boot */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);

	/* Set soft reset */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);

	/* Wait for 150ms for microcode load */
	DELAY(1000 * 150);

	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);

	DELAY(1000 * 200);
	elink_save_bcm_spirom_ver(sc, phy, params->port);
}

static uint8_t elink_8726_read_status(struct elink_phy *phy,
				 struct elink_params *params,
				 struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val1;
	uint8_t link_up = elink_8706_8726_read_status(phy, params, vars);
	if (link_up) {
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				&val1);
		if (val1 & (1<<15)) {
			ELINK_DEBUG_P0(sc, "Tx is disabled\n");
			link_up = 0;
			vars->line_speed = 0;
		}
	}
	return link_up;
}


static elink_status_t elink_8726_config_init(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "Initializing BCM8726\n");

	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	elink_wait_reset_complete(sc, phy, params);

	elink_8726_external_rom_boot(phy, params);

	/* Need to call module detected on initialization since the module
	 * detection triggered by actual module insertion might occur before
	 * driver is loaded, and when driver is loaded, it reset all
	 * registers, including the transmitter
	 */
	elink_sfp_module_detection(phy, params);

	if (phy->req_line_speed == ELINK_SPEED_1000) {
		ELINK_DEBUG_P0(sc, "Setting 1G force\n");
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
				 0x400);
	} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
		   (phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
		   ((phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
		ELINK_DEBUG_P0(sc, "Setting 1G clause37\n");
		/* Set Flow control */
		elink_ext_phy_set_pause(params, phy, vars);
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		elink_cl45_write(sc, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		/* Enable RX-ALARM control to receive interrupt for 1G speed
		 * change
		 */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
				 0x400);

	} else { /* Default 10G. Set only LASI control */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
	}

	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		ELINK_DEBUG_P2(sc,
		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
			 phy->tx_preemphasis[0],
			 phy->tx_preemphasis[1]);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL1,
				 phy->tx_preemphasis[0]);

		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}

	return ELINK_STATUS_OK;

}

static void elink_8726_link_reset(struct elink_phy *phy,
				  struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P1(sc, "elink_8726_link_reset port %d\n", params->port);
	/* Set serial boot control for external load */
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
}

/******************************************************************/
/*			BCM8727 PHY SECTION			  */
/******************************************************************/

static void elink_8727_set_link_led(struct elink_phy *phy,
				    struct elink_params *params, uint8_t mode)
{
	struct bxe_softc *sc = params->sc;
	uint16_t led_mode_bitmask = 0;
	uint16_t gpio_pins_bitmask = 0;
	uint16_t val;
	/* Only NOC flavor requires to set the LED specifically */
	if (!(phy->flags & ELINK_FLAGS_NOC))
		return;
	switch (mode) {
	case ELINK_LED_MODE_FRONT_PANEL_OFF:
	case ELINK_LED_MODE_OFF:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x03;
		break;
	case ELINK_LED_MODE_ON:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x02;
		break;
	case ELINK_LED_MODE_OPER:
		led_mode_bitmask = 0x60;
		gpio_pins_bitmask = 0x11;
		break;
	}
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			&val);
	val &= 0xff8f;
	val |= led_mode_bitmask;
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			 val);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_GPIO_CTRL,
			&val);
	val &= 0xffe0;
	val |= gpio_pins_bitmask;
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
static void elink_8727_hw_reset(struct elink_phy *phy,
				struct elink_params *params) {
	uint32_t swap_val, swap_override;
	uint8_t port;
	/* The PHY reset is controlled by GPIO 1. Fake the port number
	 * to cancel the swap done in set_gpio()
	 */
	struct bxe_softc *sc = params->sc;
	swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
	port = (swap_val && swap_override) ^ 1;
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
}

static void elink_8727_config_speed(struct elink_phy *phy,
				    struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t tmp1, val;
	/* Set option 1G speed */
	if ((phy->req_line_speed == ELINK_SPEED_1000) ||
	    (phy->req_line_speed == ELINK_SPEED_2500) ||
	    (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER)) {
		ELINK_DEBUG_P0(sc, "Setting 1G force\n");
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
		ELINK_DEBUG_P1(sc, "1.7 = 0x%x\n", tmp1);
		if ((phy->req_line_speed == ELINK_SPEED_2500) &&
		    (phy->speed_cap_mask &
		     (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))) {
			elink_cl45_read_and_write(sc, phy,
						  MDIO_AN_DEVAD,
						  MDIO_AN_REG_8727_MISC_CTRL2,
						  ~(1<<5));
			elink_cl45_write(sc, phy,
					 MDIO_AN_DEVAD,
					 MDIO_AN_REG_8727_MISC_CTRL1, 0x0010);
		} else {
			elink_cl45_write(sc, phy,
					 MDIO_AN_DEVAD,
					 MDIO_AN_REG_8727_MISC_CTRL1, 0x001C);
		}
		/* Power down the XAUI until link is up in case of dual-media
		 * and 1G
		 */
		if (ELINK_DUAL_MEDIA(params)) {
			elink_cl45_read(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8727_PCS_GP, &val);
			val |= (3<<10);
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8727_PCS_GP, val);
		}
	} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
		   ((phy->speed_cap_mask &
		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
		   ((phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {

		ELINK_DEBUG_P0(sc, "Setting 1G clause37\n");
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL2, 0);
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
	} else {
		/* Since the 8727 has only single reset pin, need to set the 10G
		 * registers although it is default
		 */
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL2,
				 0x0020);
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL1,
				 0x001C);
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
				 0x0008);
	}
}

static elink_status_t elink_8727_config_init(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	uint32_t tx_en_mode;
	uint16_t tmp1, mod_abs, tmp2;
	struct bxe_softc *sc = params->sc;
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */

	elink_wait_reset_complete(sc, phy, params);

	ELINK_DEBUG_P0(sc, "Initializing BCM8727\n");

	elink_8727_specific_func(phy, params, ELINK_PHY_INIT);
	/* Initially configure MOD_ABS to interrupt when module is
	 * presence( bit 8)
	 */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
	 * When the EDC is off it locks onto a reference clock and avoids
	 * becoming 'lost'
	 */
	mod_abs &= ~(1<<8);
	if (!(phy->flags & ELINK_FLAGS_NOC))
		mod_abs &= ~(1<<9);
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);

	/* Enable/Disable PHY transmitter output */
	elink_set_disable_pmd_transmit(params, phy, 0);

	elink_8727_power_module(sc, phy, 1);

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);

	elink_8727_config_speed(phy, params);


	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		ELINK_DEBUG_P2(sc, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
			   phy->tx_preemphasis[0],
			   phy->tx_preemphasis[1]);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
				 phy->tx_preemphasis[0]);

		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}

	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
	 * power mode, if TX Laser is disabled
	 */
	tx_en_mode = REG_RD(sc, params->shmem_base +
			    offsetof(struct shmem_region,
				dev_info.port_hw_config[params->port].sfp_ctrl))
			& PORT_HW_CFG_TX_LASER_MASK;

	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {

		ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS\n");
		elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
		tmp2 |= 0x1000;
		tmp2 &= 0xFFEF;
		elink_cl45_write(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				&tmp2);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				 (tmp2 & 0x7fff));
	}

	return ELINK_STATUS_OK;
}

static void elink_8727_handle_mod_abs(struct elink_phy *phy,
				      struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t mod_abs, rx_alarm_status;
	uint32_t val = REG_RD(sc, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				      port_feature_config[params->port].
				      config));
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
	if (mod_abs & (1<<8)) {

		/* Module is absent */
		ELINK_DEBUG_P0(sc,
		   "MOD_ABS indication show module is absent\n");
		phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
		/* 1. Set mod_abs to detect next module
		 *    presence event
		 * 2. Set EDC off by setting OPTXLOS signal input to low
		 *    (bit 9).
		 *    When the EDC is off it locks onto a reference clock and
		 *    avoids becoming 'lost'.
		 */
		mod_abs &= ~(1<<8);
		if (!(phy->flags & ELINK_FLAGS_NOC))
			mod_abs &= ~(1<<9);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);

		/* Clear RX alarm since it stays up as long as
		 * the mod_abs wasn't changed
		 */
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);

	} else {
		/* Module is present */
		ELINK_DEBUG_P0(sc,
		   "MOD_ABS indication show module is present\n");
		/* First disable transmitter, and if the module is ok, the
		 * module_detection will enable it
		 * 1. Set mod_abs to detect next module absent event ( bit 8)
		 * 2. Restore the default polarity of the OPRXLOS signal and
		 * this signal will then correctly indicate the presence or
		 * absence of the Rx signal. (bit 9)
		 */
		mod_abs |= (1<<8);
		if (!(phy->flags & ELINK_FLAGS_NOC))
			mod_abs |= (1<<9);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);

		/* Clear RX alarm since it stays up as long as the mod_abs
		 * wasn't changed. This is need to be done before calling the
		 * module detection, otherwise it will clear* the link update
		 * alarm
		 */
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);


		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
			elink_sfp_set_transmitter(params, phy, 0);

		if (elink_wait_for_sfp_module_initialized(phy, params) == 0)
			elink_sfp_module_detection(phy, params);
		else
			ELINK_DEBUG_P0(sc, "SFP+ module is not initialized\n");

		/* Reconfigure link speed based on module type limitations */
		elink_8727_config_speed(phy, params);
	}

	ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x\n",
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
}

static uint8_t elink_8727_read_status(struct elink_phy *phy,
				 struct elink_params *params,
				 struct elink_vars *vars)

{
	struct bxe_softc *sc = params->sc;
	uint8_t link_up = 0;
	uint16_t link_status = 0;
	uint16_t rx_alarm_status, lasi_ctrl, val1;

	/* If PHY is not initialized, do not check link status */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
			&lasi_ctrl);
	if (!lasi_ctrl)
		return 0;

	/* Check the LASI on Rx */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
			&rx_alarm_status);
	vars->line_speed = 0;
	ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

	elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);

	ELINK_DEBUG_P1(sc, "8727 LASI status 0x%x\n", val1);

	/* Clear MSG-OUT */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);

	/* If a module is present and there is need to check
	 * for over current
	 */
	if (!(phy->flags & ELINK_FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
		/* Check over-current using 8727 GPIO0 input*/
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
				&val1);

		if ((val1 & (1<<8)) == 0) {
			uint8_t oc_port = params->port;
			if (!CHIP_IS_E1x(sc))
				oc_port = SC_PATH(sc) + (params->port << 1);
			ELINK_DEBUG_P1(sc,
			   "8727 Power fault has been detected on port %d\n",
			   oc_port);
			elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT, oc_port); //"Error: Power fault on Port %d has "
					  //  "been detected and the power to "
					  //  "that SFP+ module has been removed "
					  //  "to prevent failure of the card. "
					  //  "Please remove the SFP+ module and "
					  //  "restart the system to clear this "
					  //  "error.\n",
			/* Disable all RX_ALARMs except for mod_abs */
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_LASI_RXCTRL, (1<<5));

			elink_cl45_read(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
			/* Wait for module_absent_event */
			val1 |= (1<<8);
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
			/* Clear RX alarm */
			elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
			elink_8727_power_module(params->sc, phy, 0);
			return 0;
		}
	} /* Over current check */

	/* When module absent bit is set, check module */
	if (rx_alarm_status & (1<<5)) {
		elink_8727_handle_mod_abs(phy, params);
		/* Enable all mod_abs and link detection bits */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
				 ((1<<5) | (1<<2)));
	}

	if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
		ELINK_DEBUG_P0(sc, "Enabling 8727 TX laser\n");
		elink_sfp_set_transmitter(params, phy, 1);
	} else {
		ELINK_DEBUG_P0(sc, "Tx is disabled\n");
		return 0;
	}

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);

	/* Bits 0..2 --> speed detected,
	 * Bits 13..15--> link is down
	 */
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = ELINK_SPEED_10000;
		ELINK_DEBUG_P1(sc, "port %x: External link up in 10G\n",
			   params->port);
	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
		link_up = 1;
		vars->line_speed = ELINK_SPEED_2500;
		ELINK_DEBUG_P1(sc, "port %x: External link up in 2.5G\n",
			   params->port);
	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
		link_up = 1;
		vars->line_speed = ELINK_SPEED_1000;
		ELINK_DEBUG_P1(sc, "port %x: External link up in 1G\n",
			   params->port);
	} else {
		link_up = 0;
		ELINK_DEBUG_P1(sc, "port %x: External link is down\n",
			   params->port);
	}

	/* Capture 10G link fault. */
	if (vars->line_speed == ELINK_SPEED_10000) {
		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
			    MDIO_PMA_LASI_TXSTAT, &val1);

		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
			    MDIO_PMA_LASI_TXSTAT, &val1);

		if (val1 & (1<<0)) {
			vars->fault_detected = 1;
		}
	}

	if (link_up) {
		elink_ext_phy_resolve_fc(phy, params, vars);
		vars->duplex = DUPLEX_FULL;
		ELINK_DEBUG_P1(sc, "duplex = 0x%x\n", vars->duplex);
	}

	if ((ELINK_DUAL_MEDIA(params)) &&
	    ((phy->req_line_speed == ELINK_SPEED_1000) ||
	     (phy->req_line_speed == ELINK_SPEED_2500))) { 
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_PCS_GP, &val1);
		/* In case of dual-media board and 1G, power up the XAUI side,
		 * otherwise power it down. For 10G it is done automatically
		 */
		if (link_up)
			val1 &= ~(3<<10);
		else
			val1 |= (3<<10);
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8727_PCS_GP, val1);
	}
	return link_up;
}

static void elink_8727_link_reset(struct elink_phy *phy,
				  struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;

	/* Enable/Disable PHY transmitter output */
	elink_set_disable_pmd_transmit(params, phy, 1);

	/* Disable Transmitter */
	elink_sfp_set_transmitter(params, phy, 0);
	/* Clear LASI */
	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);

}

/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static int elink_is_8483x_8485x(struct elink_phy *phy)
{
	return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
}

static void elink_save_848xx_spirom_version(struct elink_phy *phy,
					    struct bxe_softc *sc,
					    uint8_t port)
{
	uint16_t val, fw_ver2, cnt, i;
	static struct elink_reg_set reg_set[] = {
		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
	};
	uint16_t fw_ver1;

	if (elink_is_8483x_8485x(phy)) {
		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
		elink_save_spirom_version(sc, port, fw_ver1 & 0xfff,
				phy->ver_addr);
	} else {
		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
			elink_cl45_write(sc, phy, reg_set[i].devad,
					 reg_set[i].reg, reg_set[i].val);

		for (cnt = 0; cnt < 100; cnt++) {
			elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
			if (val & 1)
				break;
			DELAY(5);
		}
		if (cnt == 100) {
			ELINK_DEBUG_P0(sc, "Unable to read 848xx "
					"phy fw version(1)\n");
			elink_save_spirom_version(sc, port, 0,
						  phy->ver_addr);
			return;
		}


		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
		elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
		elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
		elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
		for (cnt = 0; cnt < 100; cnt++) {
			elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
			if (val & 1)
				break;
			DELAY(5);
		}
		if (cnt == 100) {
			ELINK_DEBUG_P0(sc, "Unable to read 848xx phy fw "
					"version(2)\n");
			elink_save_spirom_version(sc, port, 0,
						  phy->ver_addr);
			return;
		}

		/* lower 16 bits of the register SPI_FW_STATUS */
		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
		/* upper 16 bits of register SPI_FW_STATUS */
		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);

		elink_save_spirom_version(sc, port, (fw_ver2<<16) | fw_ver1,
					  phy->ver_addr);
	}

}
static void elink_848xx_set_led(struct bxe_softc *sc,
				struct elink_phy *phy)
{
	uint16_t val, offset, i;
	static struct elink_reg_set reg_set[] = {
		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
	};
	/* PHYC_CTL_LED_CTL */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
	val &= 0xFE00;
	val |= 0x0092;

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);

	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
				 reg_set[i].val);

	if (elink_is_8483x_8485x(phy))
		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
	else
		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;

	/* stretch_en for LED3*/
	elink_cl45_read_or_write(sc, phy,
				 MDIO_PMA_DEVAD, offset,
				 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
}

static void elink_848xx_specific_func(struct elink_phy *phy,
				      struct elink_params *params,
				      uint32_t action)
{
	struct bxe_softc *sc = params->sc;
	switch (action) {
	case ELINK_PHY_INIT:
		if (!elink_is_8483x_8485x(phy)) {
			/* Save spirom version */
			elink_save_848xx_spirom_version(phy, sc, params->port);
		}
		/* This phy uses the NIG latch mechanism since link indication
		 * arrives through its LED4 and not via its LASI signal, so we
		 * get steady signal instead of clear on read
		 */
		elink_bits_en(sc, NIG_REG_LATCH_BC_0 + params->port*4,
			      1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);

		elink_848xx_set_led(sc, phy);
		break;
	}
}

static elink_status_t elink_848xx_cmn_config_init(struct elink_phy *phy,
				       struct elink_params *params,
				       struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t autoneg_val, an_1000_val, an_10_100_val;

	elink_848xx_specific_func(phy, params, ELINK_PHY_INIT);
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);

	/* set 1000 speed advertisement */
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);

	elink_ext_phy_set_pause(params, phy, vars);
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_8481_LEGACY_AN_ADV,
			&an_10_100_val);
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
			&autoneg_val);
	/* Disable forced speed */
	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));

	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask &
	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->req_line_speed == ELINK_SPEED_1000)) {
		an_1000_val |= (1<<8);
		autoneg_val |= (1<<9 | 1<<12);
		if (phy->req_duplex == DUPLEX_FULL)
			an_1000_val |= (1<<9);
		ELINK_DEBUG_P0(sc, "Advertising 1G\n");
	} else
		an_1000_val &= ~((1<<8) | (1<<9));

	elink_cl45_write(sc, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);

	/* Set 10/100 speed advertisement */
	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
		if (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
			/* Enable autoneg and restart autoneg for legacy speeds
			 */
			autoneg_val |= (1<<9 | 1<<12);
			an_10_100_val |= (1<<8);
			ELINK_DEBUG_P0(sc, "Advertising 100M-FD\n");
		}

		if (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
			/* Enable autoneg and restart autoneg for legacy speeds
			 */
			autoneg_val |= (1<<9 | 1<<12);
			an_10_100_val |= (1<<7);
			ELINK_DEBUG_P0(sc, "Advertising 100M-HD\n");
		}

		if ((phy->speed_cap_mask &
		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
		    (phy->supported & ELINK_SUPPORTED_10baseT_Full)) {
			an_10_100_val |= (1<<6);
			autoneg_val |= (1<<9 | 1<<12);
			ELINK_DEBUG_P0(sc, "Advertising 10M-FD\n");
		}

		if ((phy->speed_cap_mask &
		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
		    (phy->supported & ELINK_SUPPORTED_10baseT_Half)) {
			an_10_100_val |= (1<<5);
			autoneg_val |= (1<<9 | 1<<12);
			ELINK_DEBUG_P0(sc, "Advertising 10M-HD\n");
		}
	}

	/* Only 10/100 are allowed to work in FORCE mode */
	if ((phy->req_line_speed == ELINK_SPEED_100) &&
	    (phy->supported &
	     (ELINK_SUPPORTED_100baseT_Half |
	      ELINK_SUPPORTED_100baseT_Full))) {
		autoneg_val |= (1<<13);
		/* Enabled AUTO-MDIX when autoneg is disabled */
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
				 (1<<15 | 1<<9 | 7<<0));
		/* The PHY needs this set even for forced link. */
		an_10_100_val |= (1<<8) | (1<<7);
		ELINK_DEBUG_P0(sc, "Setting 100M force\n");
	}
	if ((phy->req_line_speed == ELINK_SPEED_10) &&
	    (phy->supported &
	     (ELINK_SUPPORTED_10baseT_Half |
	      ELINK_SUPPORTED_10baseT_Full))) {
		/* Enabled AUTO-MDIX when autoneg is disabled */
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
				 (1<<15 | 1<<9 | 7<<0));
		ELINK_DEBUG_P0(sc, "Setting 10M force\n");
	}

	elink_cl45_write(sc, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
			 an_10_100_val);

	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);

	/* Always write this if this is not 84833/4.
	 * For 84833/4, write it only when it's a forced speed.
	 */
	if (!elink_is_8483x_8485x(phy) ||
	    ((autoneg_val & (1<<12)) == 0))
		elink_cl45_write(sc, phy,
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);

	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
	    (phy->speed_cap_mask &
	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
		(phy->req_line_speed == ELINK_SPEED_10000)) {
			ELINK_DEBUG_P0(sc, "Advertising 10G\n");
			/* Restart autoneg for 10G*/

			elink_cl45_read_or_write(
				sc, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				0x1000);
			elink_cl45_write(sc, phy,
					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
					 0x3200);
	} else
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);

	return ELINK_STATUS_OK;
}

static elink_status_t elink_8481_config_init(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	/* Restore normal power mode*/
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);

	/* HW reset */
	elink_ext_phy_hw_reset(sc, params->port);
	elink_wait_reset_complete(sc, phy, params);

	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	return elink_848xx_cmn_config_init(phy, params, vars);
}

#define PHY848xx_CMDHDLR_WAIT 300
#define PHY848xx_CMDHDLR_MAX_ARGS 5

static elink_status_t elink_84858_cmd_hdlr(struct elink_phy *phy,
					   struct elink_params *params,
					   uint16_t fw_cmd,
					   uint16_t cmd_args[], int argc)
{
	int idx;
	uint16_t val;
	struct bxe_softc *sc = params->sc;

	/* Step 1: Poll the STATUS register to see whether the previous command
	 * is in progress or the system is busy (CMD_IN_PROGRESS or
	 * SYSTEM_BUSY). If previous command is in progress or system is busy,
	 * check again until the previous command finishes execution and the
	 * system is available for taking command
	 */

	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
				MDIO_848xx_CMD_HDLR_STATUS, &val);
		if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
		    (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
			break;
		DELAY(1000 * 1);
	}
	if (idx >= PHY848xx_CMDHDLR_WAIT) {
		ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.\n");
		return ELINK_STATUS_ERROR;
	}

	/* Step2: If any parameters are required for the function, write them
	 * to the required DATA registers
	 */

	for (idx = 0; idx < argc; idx++) {
		elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
				 MDIO_848xx_CMD_HDLR_DATA1 + idx,
				 cmd_args[idx]);
	}

	/* Step3: When the firmware is ready for commands, write the 'Command
	 * code' to the CMD register
	 */
	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
			 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);

	/* Step4: Once the command has been written, poll the STATUS register
	 * to check whether the command has completed (CMD_COMPLETED_PASS/
	 * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
	 */

	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
				MDIO_848xx_CMD_HDLR_STATUS, &val);
		if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
		    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
			break;
		DELAY(1000 * 1);
	}
	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
	    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
		ELINK_DEBUG_P0(sc, "FW cmd failed.\n");
		return ELINK_STATUS_ERROR;
	}
	/* Step5: Once the command has completed, read the specficied DATA
	 * registers for any saved results for the command, if applicable
	 */

	/* Gather returning data */
	for (idx = 0; idx < argc; idx++) {
		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
				MDIO_848xx_CMD_HDLR_DATA1 + idx,
				&cmd_args[idx]);
	}

	return ELINK_STATUS_OK;
}

static elink_status_t elink_84833_cmd_hdlr(struct elink_phy *phy,
				struct elink_params *params, uint16_t fw_cmd,
				uint16_t cmd_args[], int argc, int process)
{
	int idx;
	uint16_t val;
	struct bxe_softc *sc = params->sc;
	elink_status_t rc = ELINK_STATUS_OK;

	if (process == PHY84833_MB_PROCESS2) {
	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
				 MDIO_848xx_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
	}

	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
			       MDIO_848xx_CMD_HDLR_STATUS, &val);
		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
			break;
		DELAY(1000 * 1);
	}
	if (idx >= PHY848xx_CMDHDLR_WAIT) {
		ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.\n");
		/* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR
		 * clear the status to CMD_CLEAR_COMPLETE
		 */
		if (val == PHY84833_STATUS_CMD_COMPLETE_PASS ||
		    val == PHY84833_STATUS_CMD_COMPLETE_ERROR) {
			elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
					 MDIO_848xx_CMD_HDLR_STATUS,
					 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
		}
		return ELINK_STATUS_ERROR;
	}
	if (process == PHY84833_MB_PROCESS1 ||
	    process == PHY84833_MB_PROCESS2) {
		/* Prepare argument(s) */
	for (idx = 0; idx < argc; idx++) {
		elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
					 MDIO_848xx_CMD_HDLR_DATA1 + idx,
				cmd_args[idx]);
	}
	}

	/* Issue command */
	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
			MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
			       MDIO_848xx_CMD_HDLR_STATUS, &val);
		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
			break;
		DELAY(1000 * 1);
	}
	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
		ELINK_DEBUG_P0(sc, "FW cmd failed.\n");
		rc = ELINK_STATUS_ERROR;
	}
	if (process == PHY84833_MB_PROCESS3 && rc == ELINK_STATUS_OK) {
	/* Gather returning data */
	for (idx = 0; idx < argc; idx++) {
		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
					MDIO_848xx_CMD_HDLR_DATA1 + idx,
				&cmd_args[idx]);
	}
	}
	if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR ||
	    val == PHY84833_STATUS_CMD_COMPLETE_PASS) {
	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
				 MDIO_848xx_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
	}
	return rc;
}

static elink_status_t elink_848xx_cmd_hdlr(struct elink_phy *phy,
					   struct elink_params *params,
					   uint16_t fw_cmd,
					   uint16_t cmd_args[], int argc,
					   int process)
{
	struct bxe_softc *sc = params->sc;

	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
	    (REG_RD(sc, params->shmem2_base +
		    offsetof(struct shmem2_region,
			     link_attr_sync[params->port])) & LINK_ATTR_84858)) {
		return elink_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
					    argc);
	} else {
		return elink_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
					    argc, process);
	}
}

static elink_status_t elink_848xx_pair_swap_cfg(struct elink_phy *phy,
				   struct elink_params *params,
				   struct elink_vars *vars)
{
	uint32_t pair_swap;
	uint16_t data[PHY848xx_CMDHDLR_MAX_ARGS];
	elink_status_t status;
	struct bxe_softc *sc = params->sc;

	/* Check for configuration. */
	pair_swap = REG_RD(sc, params->shmem_base +
			   offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;

	if (pair_swap == 0)
		return ELINK_STATUS_OK;

	/* Only the second argument is used for this command */
	data[1] = (uint16_t)pair_swap;

	status = elink_848xx_cmd_hdlr(phy, params,
				      PHY848xx_CMD_SET_PAIR_SWAP, data,
				      2, PHY84833_MB_PROCESS2);
	if (status == ELINK_STATUS_OK)
		ELINK_DEBUG_P1(sc, "Pairswap OK, val=0x%x\n", data[1]);

	return status;
}

static uint8_t elink_84833_get_reset_gpios(struct bxe_softc *sc,
				      uint32_t shmem_base_path[],
				      uint32_t chip_id)
{
	uint32_t reset_pin[2];
	uint32_t idx;
	uint8_t reset_gpios;
	if (CHIP_IS_E3(sc)) {
		/* Assume that these will be GPIOs, not EPIOs. */
		for (idx = 0; idx < 2; idx++) {
			/* Map config param to register bit. */
			reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
			reset_pin[idx] = (reset_pin[idx] &
				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
			reset_pin[idx] = (1 << reset_pin[idx]);
		}
		reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
	} else {
		/* E2, look from diff place of shmem. */
		for (idx = 0; idx < 2; idx++) {
			reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[0].default_cfg));
			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
			reset_pin[idx] = (1 << reset_pin[idx]);
		}
		reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
	}

	return reset_gpios;
}

static elink_status_t elink_84833_hw_reset_phy(struct elink_phy *phy,
				struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint8_t reset_gpios;
	uint32_t other_shmem_base_addr = REG_RD(sc, params->shmem2_base +
				offsetof(struct shmem2_region,
				other_shmem_base_addr));

	uint32_t shmem_base_path[2];

	/* Work around for 84833 LED failure inside RESET status */
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);

	shmem_base_path[0] = params->shmem_base;
	shmem_base_path[1] = other_shmem_base_addr;

	reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path,
						  params->chip_id);

	elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
	DELAY(10);
	ELINK_DEBUG_P1(sc, "84833 hw reset on pin values 0x%x\n",
		reset_gpios);

	return ELINK_STATUS_OK;
}

static elink_status_t elink_8483x_disable_eee(struct elink_phy *phy,
				   struct elink_params *params,
				   struct elink_vars *vars)
{
	elink_status_t rc;
	struct bxe_softc *sc = params->sc;
	uint16_t cmd_args = 0;

	ELINK_DEBUG_P0(sc, "Don't Advertise 10GBase-T EEE\n");

	/* Prevent Phy from working in EEE and advertising it */
	rc = elink_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
				  &cmd_args, 1, PHY84833_MB_PROCESS1);
	if (rc != ELINK_STATUS_OK) {
		ELINK_DEBUG_P0(sc, "EEE disable failed.\n");
		return rc;
	}

	return elink_eee_disable(phy, params, vars);
}

static elink_status_t elink_8483x_enable_eee(struct elink_phy *phy,
				   struct elink_params *params,
				   struct elink_vars *vars)
{
	elink_status_t rc;
	struct bxe_softc *sc = params->sc;
	uint16_t cmd_args = 1;

	rc = elink_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
				  &cmd_args, 1, PHY84833_MB_PROCESS1);
	if (rc != ELINK_STATUS_OK) {
		ELINK_DEBUG_P0(sc, "EEE enable failed.\n");
		return rc;
	}

	return elink_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
}

#define PHY84833_CONSTANT_LATENCY 1193
static elink_status_t elink_848x3_config_init(struct elink_phy *phy,
				   struct elink_params *params,
				   struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port, initialize = 1;
	uint16_t val;
	uint32_t actual_phy_selection;
	uint16_t cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
	elink_status_t rc = ELINK_STATUS_OK;

	DELAY(1000 * 1);

	if (!(CHIP_IS_E1x(sc)))
		port = SC_PATH(sc);
	else
		port = params->port;

	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
	} else {
		/* MDIO reset */
		elink_cl45_write(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x8000);
	}

	elink_wait_reset_complete(sc, phy, params);

	/* Wait for GPHY to come out of reset */
	DELAY(1000 * 50);
	if (!elink_is_8483x_8485x(phy)) {
		/* BCM84823 requires that XGXS links up first @ 10G for normal
		 * behavior.
		 */
		uint16_t temp;
		temp = vars->line_speed;
		vars->line_speed = ELINK_SPEED_10000;
		elink_set_autoneg(&params->phy[ELINK_INT_PHY], params, vars, 0);
		elink_program_serdes(&params->phy[ELINK_INT_PHY], params, vars);
		vars->line_speed = temp;
	}
	/* Check if this is actually BCM84858 */
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
		uint16_t hw_rev;

		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
		if (hw_rev == BCM84858_PHY_ID) {
			params->link_attr_sync |= LINK_ATTR_84858;
			elink_update_link_attr(params, params->link_attr_sync);
		}
	}

	/* Set dual-media configuration according to configuration */
	elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
			MDIO_CTL_REG_84823_MEDIA, &val);
	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);

	if (CHIP_IS_E3(sc)) {
		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
	} else {
		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
	}

	actual_phy_selection = elink_phy_selection(params);

	switch (actual_phy_selection) {
	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
		/* Do nothing. Essentially this is like the priority copper */
		break;
	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
		break;
	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
		break;
	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
		/* Do nothing here. The first PHY won't be initialized at all */
		break;
	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
		initialize = 0;
		break;
	}
	if (params->phy[ELINK_EXT_PHY2].req_line_speed == ELINK_SPEED_1000)
		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;

	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
			 MDIO_CTL_REG_84823_MEDIA, val);
	ELINK_DEBUG_P2(sc, "Multi_phy config = 0x%x, Media control = 0x%x\n",
		   params->multi_phy_config, val);

	if (elink_is_8483x_8485x(phy)) {
		elink_848xx_pair_swap_cfg(phy, params, vars);

		/* Keep AutogrEEEn disabled. */
		cmd_args[0] = 0x0;
		cmd_args[1] = 0x0;
		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
		rc = elink_848xx_cmd_hdlr(phy, params,
					  PHY848xx_CMD_SET_EEE_MODE, cmd_args,
					  4, PHY84833_MB_PROCESS1);
		if (rc != ELINK_STATUS_OK)
			ELINK_DEBUG_P0(sc, "Cfg AutogrEEEn failed.\n");
	}
	if (initialize)
		rc = elink_848xx_cmn_config_init(phy, params, vars);
	else
		elink_save_848xx_spirom_version(phy, sc, params->port);
	/* 84833 PHY has a better feature and doesn't need to support this. */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		uint32_t cms_enable = REG_RD(sc, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].default_cfg)) &
			PORT_HW_CFG_ENABLE_CMS_MASK;

		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
		if (cms_enable)
			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
		else
			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
		elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
	}

	elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_FW_REV, &val);

	/* Configure EEE support */
	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
	    elink_eee_has_cap(params)) {
		rc = elink_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
		if (rc != ELINK_STATUS_OK) {
			ELINK_DEBUG_P0(sc, "Failed to configure EEE timers\n");
			elink_8483x_disable_eee(phy, params, vars);
			return rc;
		}

		if ((phy->req_duplex == DUPLEX_FULL) &&
		    (params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
		    (elink_eee_calc_timer(params) ||
		     !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)))
			rc = elink_8483x_enable_eee(phy, params, vars);
		else
			rc = elink_8483x_disable_eee(phy, params, vars);
		if (rc != ELINK_STATUS_OK) {
			ELINK_DEBUG_P0(sc, "Failed to set EEE advertisement\n");
			return rc;
		}
	} else {
		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
	}

	if (elink_is_8483x_8485x(phy)) {
		/* Bring PHY out of super isolate mode as the final step. */
		elink_cl45_read_and_write(sc, phy,
					  MDIO_CTL_DEVAD,
					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
					  (uint16_t)~MDIO_84833_SUPER_ISOLATE);
	}
	return rc;
}

static uint8_t elink_848xx_read_status(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val, val1, val2;
	uint8_t link_up = 0;


	/* Check 10G-BaseT link status */
	/* Check PMD signal ok */
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, 0xFFFA, &val1);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
			&val2);
	ELINK_DEBUG_P1(sc, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);

	/* Check link 10G */
	if (val2 & (1<<11)) {
		vars->line_speed = ELINK_SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		link_up = 1;
		elink_ext_phy_10G_an_resolve(sc, phy, vars);
	} else { /* Check Legacy speed link */
		uint16_t legacy_status, legacy_speed;

		/* Enable expansion register 0x42 (Operation mode status) */
		elink_cl45_write(sc, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);

		/* Get legacy speed operation status */
		elink_cl45_read(sc, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
				&legacy_status);

		ELINK_DEBUG_P1(sc, "Legacy speed status = 0x%x\n",
		   legacy_status);
		link_up = ((legacy_status & (1<<11)) == (1<<11));
		legacy_speed = (legacy_status & (3<<9));
		if (legacy_speed == (0<<9))
			vars->line_speed = ELINK_SPEED_10;
		else if (legacy_speed == (1<<9))
			vars->line_speed = ELINK_SPEED_100;
		else if (legacy_speed == (2<<9))
			vars->line_speed = ELINK_SPEED_1000;
		else { /* Should not happen: Treat as link down */
			vars->line_speed = 0;
			link_up = 0;
		}

		if (params->feature_config_flags &
			ELINK_FEATURE_CONFIG_IEEE_PHY_TEST) {
			uint16_t mii_ctrl;

			elink_cl45_read(sc, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_MII_CTRL,
					&mii_ctrl);
			/* For IEEE testing, check for a fake link. */
			link_up |= ((mii_ctrl & 0x3040) == 0x40);
		}

		if (link_up) {
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;

			ELINK_DEBUG_P2(sc,
			   "Link is up in %dMbps, is_duplex_full= %d\n",
			   vars->line_speed,
			   (vars->duplex == DUPLEX_FULL));
			/* Check legacy speed AN resolution */
			elink_cl45_read(sc, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
					&val);
			if (val & (1<<5))
				vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
			elink_cl45_read(sc, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
					&val);
			if ((val & (1<<0)) == 0)
				vars->link_status |=
					LINK_STATUS_PARALLEL_DETECTION_USED;
		}
	}
	if (link_up) {
		ELINK_DEBUG_P1(sc, "BCM848x3: link speed is %d\n",
			   vars->line_speed);
		elink_ext_phy_resolve_fc(phy, params, vars);

		/* Read LP advertised speeds */
		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_CL37_FC_LP, &val);
		if (val & (1<<5))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
		if (val & (1<<6))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
		if (val & (1<<7))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
		if (val & (1<<8))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
		if (val & (1<<9))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;

		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_1000T_STATUS, &val);

		if (val & (1<<10))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
		if (val & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;

		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_MASTER_STATUS, &val);

		if (val & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;

		/* Determine if EEE was negotiated */
		if (elink_is_8483x_8485x(phy))
			elink_eee_an_resolve(phy, params, vars);
	}

	return link_up;
}

static elink_status_t elink_848xx_format_ver(uint32_t raw_ver, uint8_t *str, uint16_t *len)
{
	elink_status_t status = ELINK_STATUS_OK;
	uint32_t spirom_ver;
	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
	status = elink_format_ver(spirom_ver, str, len);
	return status;
}

static void elink_8481_hw_reset(struct elink_phy *phy,
				struct elink_params *params)
{
	elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
	elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
}

static void elink_8481_link_reset(struct elink_phy *phy,
					struct elink_params *params)
{
	elink_cl45_write(params->sc, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
	elink_cl45_write(params->sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
}

static void elink_848x3_link_reset(struct elink_phy *phy,
				   struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port;
	uint16_t val16;

	if (!(CHIP_IS_E1x(sc)))
		port = SC_PATH(sc);
	else
		port = params->port;

	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
			       port);
	} else {
		elink_cl45_read(sc, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
		val16 |= MDIO_84833_SUPER_ISOLATE;
		elink_cl45_write(sc, phy,
				 MDIO_CTL_DEVAD,
				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
	}
}

static void elink_848xx_set_link_led(struct elink_phy *phy,
				     struct elink_params *params, uint8_t mode)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val;
	uint8_t port;

	if (!(CHIP_IS_E1x(sc)))
		port = SC_PATH(sc);
	else
		port = params->port;
	switch (mode) {
	case ELINK_LED_MODE_OFF:

		ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OFF\n", port);

		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
		    SHARED_HW_CFG_LED_EXTPHY1) {

			/* Set LED masks */
			elink_cl45_write(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED1_MASK,
					0x0);

			elink_cl45_write(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED2_MASK,
					0x0);

			elink_cl45_write(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED3_MASK,
					0x0);

			elink_cl45_write(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED5_MASK,
					0x0);

		} else {
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
		}
		break;
	case ELINK_LED_MODE_FRONT_PANEL_OFF:

		ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
		   port);

		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
		    SHARED_HW_CFG_LED_EXTPHY1) {

			/* Set LED masks */
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x0);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);

		} else {
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
			if (phy->type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
				/* Disable MI_INT interrupt before setting LED4
				 * source to constant off.
				 */
				if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
					   params->port*4) &
				    ELINK_NIG_MASK_MI_INT) {
					params->link_flags |=
					ELINK_LINK_FLAGS_INT_DISABLED;

					elink_bits_dis(
						sc,
						NIG_REG_MASK_INTERRUPT_PORT0 +
						params->port*4,
						ELINK_NIG_MASK_MI_INT);
				}
				elink_cl45_write(sc, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_SIGNAL_MASK,
						 0x0);
			}
		}
		break;
	case ELINK_LED_MODE_ON:

		ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE ON\n", port);

		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
		    SHARED_HW_CFG_LED_EXTPHY1) {
			/* Set control reg */
			elink_cl45_read(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LINK_SIGNAL,
					&val);
			val &= 0x8000;
			val |= 0x2492;

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);

			/* Set LED masks */
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
		} else {
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
			if (phy->type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
				/* Disable MI_INT interrupt before setting LED4
				 * source to constant on.
				 */
				if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
					   params->port*4) &
				    ELINK_NIG_MASK_MI_INT) {
					params->link_flags |=
					ELINK_LINK_FLAGS_INT_DISABLED;

					elink_bits_dis(
						sc,
						NIG_REG_MASK_INTERRUPT_PORT0 +
						params->port*4,
						ELINK_NIG_MASK_MI_INT);
				}
				elink_cl45_write(sc, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_SIGNAL_MASK,
						 0x20);
			}
		}
		break;

	case ELINK_LED_MODE_OPER:

		ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OPER\n", port);

		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
		    SHARED_HW_CFG_LED_EXTPHY1) {

			/* Set control reg */
			elink_cl45_read(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LINK_SIGNAL,
					&val);

			if (!((val &
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
				ELINK_DEBUG_P0(sc, "Setting LINK_SIGNAL\n");
				elink_cl45_write(sc, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_LINK_SIGNAL,
						 0xa492);
			}

			/* Set LED masks */
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);

		} else {
			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
			 * sources are all wired through LED1, rather than only
			 * 10G in other modes.
			 */
			val = ((params->hw_led_mode <<
				SHARED_HW_CFG_LED_MODE_SHIFT) ==
			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;

			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 val);

			/* Tell LED3 to blink on source */
			elink_cl45_read(sc, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LINK_SIGNAL,
					&val);
			val &= ~(7<<6);
			val |= (1<<6); /* A83B[8:6]= 1 */
			elink_cl45_write(sc, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
			if (phy->type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
				/* Restore LED4 source to external link,
				 * and re-enable interrupts.
				 */
				elink_cl45_write(sc, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_SIGNAL_MASK,
						 0x40);
				if (params->link_flags &
				    ELINK_LINK_FLAGS_INT_DISABLED) {
					elink_link_int_enable(params);
					params->link_flags &=
						~ELINK_LINK_FLAGS_INT_DISABLED;
				}
			}
		}
		break;
	}

	/* This is a workaround for E3+84833 until autoneg
	 * restart is fixed in f/w
	 */
	if (CHIP_IS_E3(sc)) {
		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
	}
}

/******************************************************************/
/*			54618SE PHY SECTION			  */
/******************************************************************/
static void elink_54618se_specific_func(struct elink_phy *phy,
					struct elink_params *params,
					uint32_t action)
{
	struct bxe_softc *sc = params->sc;
	uint16_t temp;
	switch (action) {
	case ELINK_PHY_INIT:
		/* Configure LED4: set to INTR (0x6). */
		/* Accessing shadow register 0xe. */
		elink_cl22_write(sc, phy,
				 MDIO_REG_GPHY_SHADOW,
				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
		elink_cl22_read(sc, phy,
				MDIO_REG_GPHY_SHADOW,
				&temp);
		temp &= ~(0xf << 4);
		temp |= (0x6 << 4);
		elink_cl22_write(sc, phy,
				 MDIO_REG_GPHY_SHADOW,
				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
		/* Configure INTR based on link status change. */
		elink_cl22_write(sc, phy,
				 MDIO_REG_INTR_MASK,
				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
		break;
	}
}

static elink_status_t elink_54618se_config_init(struct elink_phy *phy,
					       struct elink_params *params,
					       struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t port;
	uint16_t autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
	uint32_t cfg_pin;

	ELINK_DEBUG_P0(sc, "54618SE cfg init\n");
	DELAY(1000 * 1);

	/* This works with E3 only, no need to check the chip
	 * before determining the port.
	 */
	port = params->port;

	cfg_pin = (REG_RD(sc, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
			PORT_HW_CFG_E3_PHY_RESET_SHIFT;

	/* Drive pin high to bring the GPHY out of reset. */
	elink_set_cfg_pin(sc, cfg_pin, 1);

	/* wait for GPHY to reset */
	DELAY(1000 * 50);

	/* reset phy */
	elink_cl22_write(sc, phy,
			 MDIO_PMA_REG_CTRL, 0x8000);
	elink_wait_reset_complete(sc, phy, params);

	/* Wait for GPHY to reset */
	DELAY(1000 * 50);


	elink_54618se_specific_func(phy, params, ELINK_PHY_INIT);
	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
	elink_cl22_write(sc, phy,
			MDIO_REG_GPHY_SHADOW,
			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
	elink_cl22_read(sc, phy,
			MDIO_REG_GPHY_SHADOW,
			&temp);
	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
	elink_cl22_write(sc, phy,
			MDIO_REG_GPHY_SHADOW,
			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);

	/* Set up fc */
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	fc_val = 0;
	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;

	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;

	/* Read all advertisement */
	elink_cl22_read(sc, phy,
			0x09,
			&an_1000_val);

	elink_cl22_read(sc, phy,
			0x04,
			&an_10_100_val);

	elink_cl22_read(sc, phy,
			MDIO_PMA_REG_CTRL,
			&autoneg_val);

	/* Disable forced speed */
	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
			   (1<<11));

	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
			(phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
			(phy->req_line_speed == ELINK_SPEED_1000)) {
		an_1000_val |= (1<<8);
		autoneg_val |= (1<<9 | 1<<12);
		if (phy->req_duplex == DUPLEX_FULL)
			an_1000_val |= (1<<9);
		ELINK_DEBUG_P0(sc, "Advertising 1G\n");
	} else
		an_1000_val &= ~((1<<8) | (1<<9));

	elink_cl22_write(sc, phy,
			0x09,
			an_1000_val);
	elink_cl22_read(sc, phy,
			0x09,
			&an_1000_val);

	/* Advertise 10/100 link speed */
	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
		if (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
			an_10_100_val |= (1<<5);
			autoneg_val |= (1<<9 | 1<<12);
			ELINK_DEBUG_P0(sc, "Advertising 10M-HD\n");
		}
		if (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
			an_10_100_val |= (1<<6);
			autoneg_val |= (1<<9 | 1<<12);
			ELINK_DEBUG_P0(sc, "Advertising 10M-FD\n");
		}
		if (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
			an_10_100_val |= (1<<7);
			autoneg_val |= (1<<9 | 1<<12);
			ELINK_DEBUG_P0(sc, "Advertising 100M-HD\n");
		}
		if (phy->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
			an_10_100_val |= (1<<8);
			autoneg_val |= (1<<9 | 1<<12);
			ELINK_DEBUG_P0(sc, "Advertising 100M-FD\n");
		}
	}

	/* Only 10/100 are allowed to work in FORCE mode */
	if (phy->req_line_speed == ELINK_SPEED_100) {
		autoneg_val |= (1<<13);
		/* Enabled AUTO-MDIX when autoneg is disabled */
		elink_cl22_write(sc, phy,
				0x18,
				(1<<15 | 1<<9 | 7<<0));
		ELINK_DEBUG_P0(sc, "Setting 100M force\n");
	}
	if (phy->req_line_speed == ELINK_SPEED_10) {
		/* Enabled AUTO-MDIX when autoneg is disabled */
		elink_cl22_write(sc, phy,
				0x18,
				(1<<15 | 1<<9 | 7<<0));
		ELINK_DEBUG_P0(sc, "Setting 10M force\n");
	}

	if ((phy->flags & ELINK_FLAGS_EEE) && elink_eee_has_cap(params)) {
		elink_status_t rc;

		elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS,
				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
		elink_cl22_read(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
		temp &= 0xfffe;
		elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);

		rc = elink_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
		if (rc != ELINK_STATUS_OK) {
			ELINK_DEBUG_P0(sc, "Failed to configure EEE timers\n");
			elink_eee_disable(phy, params, vars);
		} else if ((params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
			   (phy->req_duplex == DUPLEX_FULL) &&
			   (elink_eee_calc_timer(params) ||
			    !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI))) {
			/* Need to advertise EEE only when requested,
			 * and either no LPI assertion was requested,
			 * or it was requested and a valid timer was set.
			 * Also notice full duplex is required for EEE.
			 */
			elink_eee_advertise(phy, params, vars,
					    SHMEM_EEE_1G_ADV);
		} else {
			ELINK_DEBUG_P0(sc, "Don't Advertise 1GBase-T EEE\n");
			elink_eee_disable(phy, params, vars);
		}
	} else {
		vars->eee_status &= ((uint32_t)(~SHMEM_EEE_1G_ADV) <<
				    SHMEM_EEE_SUPPORTED_SHIFT);

		if (phy->flags & ELINK_FLAGS_EEE) {
			/* Handle legacy auto-grEEEn */
			if (params->feature_config_flags &
			    ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
				temp = 6;
				ELINK_DEBUG_P0(sc, "Enabling Auto-GrEEEn\n");
			} else {
				temp = 0;
				ELINK_DEBUG_P0(sc, "Don't Adv. EEE\n");
			}
			elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
					 MDIO_AN_REG_EEE_ADV, temp);
		}
	}

	elink_cl22_write(sc, phy,
			0x04,
			an_10_100_val | fc_val);

	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);

	elink_cl22_write(sc, phy,
			MDIO_PMA_REG_CTRL, autoneg_val);

	return ELINK_STATUS_OK;
}


static void elink_5461x_set_link_led(struct elink_phy *phy,
				       struct elink_params *params, uint8_t mode)
{
	struct bxe_softc *sc = params->sc;
	uint16_t temp;

	elink_cl22_write(sc, phy,
		MDIO_REG_GPHY_SHADOW,
		MDIO_REG_GPHY_SHADOW_LED_SEL1);
	elink_cl22_read(sc, phy,
		MDIO_REG_GPHY_SHADOW,
		&temp);
	temp &= 0xff00;

	ELINK_DEBUG_P1(sc, "54618x set link led (mode=%x)\n", mode);
	switch (mode) {
	case ELINK_LED_MODE_FRONT_PANEL_OFF:
	case ELINK_LED_MODE_OFF:
		temp |= 0x00ee;
		break;
	case ELINK_LED_MODE_OPER:
		temp |= 0x0001;
		break;
	case ELINK_LED_MODE_ON:
		temp |= 0x00ff;
		break;
	default:
		break;
	}
	elink_cl22_write(sc, phy,
		MDIO_REG_GPHY_SHADOW,
		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
	return;
}


static void elink_54618se_link_reset(struct elink_phy *phy,
				     struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint32_t cfg_pin;
	uint8_t port;

	/* In case of no EPIO routed to reset the GPHY, put it
	 * in low power mode.
	 */
	elink_cl22_write(sc, phy, MDIO_PMA_REG_CTRL, 0x800);
	/* This works with E3 only, no need to check the chip
	 * before determining the port.
	 */
	port = params->port;
	cfg_pin = (REG_RD(sc, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
			PORT_HW_CFG_E3_PHY_RESET_SHIFT;

	/* Drive pin low to put GPHY in reset. */
	elink_set_cfg_pin(sc, cfg_pin, 0);
}

static uint8_t elink_54618se_read_status(struct elink_phy *phy,
				    struct elink_params *params,
				    struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val;
	uint8_t link_up = 0;
	uint16_t legacy_status, legacy_speed;

	/* Get speed operation status */
	elink_cl22_read(sc, phy,
			MDIO_REG_GPHY_AUX_STATUS,
			&legacy_status);
	ELINK_DEBUG_P1(sc, "54618SE read_status: 0x%x\n", legacy_status);

	/* Read status to clear the PHY interrupt. */
	elink_cl22_read(sc, phy,
			MDIO_REG_INTR_STATUS,
			&val);

	link_up = ((legacy_status & (1<<2)) == (1<<2));

	if (link_up) {
		legacy_speed = (legacy_status & (7<<8));
		if (legacy_speed == (7<<8)) {
			vars->line_speed = ELINK_SPEED_1000;
			vars->duplex = DUPLEX_FULL;
		} else if (legacy_speed == (6<<8)) {
			vars->line_speed = ELINK_SPEED_1000;
			vars->duplex = DUPLEX_HALF;
		} else if (legacy_speed == (5<<8)) {
			vars->line_speed = ELINK_SPEED_100;
			vars->duplex = DUPLEX_FULL;
		}
		/* Omitting 100Base-T4 for now */
		else if (legacy_speed == (3<<8)) {
			vars->line_speed = ELINK_SPEED_100;
			vars->duplex = DUPLEX_HALF;
		} else if (legacy_speed == (2<<8)) {
			vars->line_speed = ELINK_SPEED_10;
			vars->duplex = DUPLEX_FULL;
		} else if (legacy_speed == (1<<8)) {
			vars->line_speed = ELINK_SPEED_10;
			vars->duplex = DUPLEX_HALF;
		} else /* Should not happen */
			vars->line_speed = 0;

		ELINK_DEBUG_P2(sc,
		   "Link is up in %dMbps, is_duplex_full= %d\n",
		   vars->line_speed,
		   (vars->duplex == DUPLEX_FULL));

		/* Check legacy speed AN resolution */
		elink_cl22_read(sc, phy,
				0x01,
				&val);
		if (val & (1<<5))
			vars->link_status |=
				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
		elink_cl22_read(sc, phy,
				0x06,
				&val);
		if ((val & (1<<0)) == 0)
			vars->link_status |=
				LINK_STATUS_PARALLEL_DETECTION_USED;

		ELINK_DEBUG_P1(sc, "BCM54618SE: link speed is %d\n",
			   vars->line_speed);

		elink_ext_phy_resolve_fc(phy, params, vars);

		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
			/* Report LP advertised speeds */
			elink_cl22_read(sc, phy, 0x5, &val);

			if (val & (1<<5))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
			if (val & (1<<6))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
			if (val & (1<<7))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
			if (val & (1<<8))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
			if (val & (1<<9))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;

			elink_cl22_read(sc, phy, 0xa, &val);
			if (val & (1<<10))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
			if (val & (1<<11))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;

			if ((phy->flags & ELINK_FLAGS_EEE) &&
			    elink_eee_has_cap(params))
				elink_eee_an_resolve(phy, params, vars);
		}
	}
	return link_up;
}

static void elink_54618se_config_loopback(struct elink_phy *phy,
					  struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	uint16_t val;
	uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;

	ELINK_DEBUG_P0(sc, "2PMA/PMD ext_phy_loopback: 54618se\n");

	/* Enable master/slave manual mmode and set to master */
	/* mii write 9 [bits set 11 12] */
	elink_cl22_write(sc, phy, 0x09, 3<<11);

	/* forced 1G and disable autoneg */
	/* set val [mii read 0] */
	/* set val [expr $val & [bits clear 6 12 13]] */
	/* set val [expr $val | [bits set 6 8]] */
	/* mii write 0 $val */
	elink_cl22_read(sc, phy, 0x00, &val);
	val &= ~((1<<6) | (1<<12) | (1<<13));
	val |= (1<<6) | (1<<8);
	elink_cl22_write(sc, phy, 0x00, val);

	/* Set external loopback and Tx using 6dB coding */
	/* mii write 0x18 7 */
	/* set val [mii read 0x18] */
	/* mii write 0x18 [expr $val | [bits set 10 15]] */
	elink_cl22_write(sc, phy, 0x18, 7);
	elink_cl22_read(sc, phy, 0x18, &val);
	elink_cl22_write(sc, phy, 0x18, val | (1<<10) | (1<<15));

	/* This register opens the gate for the UMAC despite its name */
	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);

	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
	 * length used by the MAC receive logic to check frames.
	 */
	REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
}

/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void elink_7101_config_loopback(struct elink_phy *phy,
				       struct elink_params *params)
{
	struct bxe_softc *sc = params->sc;
	/* SFX7101_XGXS_TEST1 */
	elink_cl45_write(sc, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
}

static elink_status_t elink_7101_config_init(struct elink_phy *phy,
				  struct elink_params *params,
				  struct elink_vars *vars)
{
	uint16_t fw_ver1, fw_ver2, val;
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "Setting the SFX7101 LASI indication\n");

	/* Restore normal power mode*/
	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	elink_ext_phy_hw_reset(sc, params->port);
	elink_wait_reset_complete(sc, phy, params);

	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
	ELINK_DEBUG_P0(sc, "Setting the SFX7101 LED to blink on traffic\n");
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));

	elink_ext_phy_set_pause(params, phy, vars);
	/* Restart autoneg */
	elink_cl45_read(sc, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
	val |= 0x200;
	elink_cl45_write(sc, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);

	/* Save spirom version */
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
	elink_save_spirom_version(sc, params->port,
				  (uint32_t)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
	return ELINK_STATUS_OK;
}

static uint8_t elink_7101_read_status(struct elink_phy *phy,
				 struct elink_params *params,
				 struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint8_t link_up;
	uint16_t val1, val2;
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
	ELINK_DEBUG_P2(sc, "10G-base-T LASI status 0x%x->0x%x\n",
		   val2, val1);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	ELINK_DEBUG_P2(sc, "10G-base-T PMA status 0x%x->0x%x\n",
		   val2, val1);
	link_up = ((val1 & 4) == 4);
	/* If link is up print the AN outcome of the SFX7101 PHY */
	if (link_up) {
		elink_cl45_read(sc, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = ELINK_SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		ELINK_DEBUG_P2(sc, "SFX7101 AN status 0x%x->Master=%x\n",
			   val2, (val2 & (1<<14)));
		elink_ext_phy_10G_an_resolve(sc, phy, vars);
		elink_ext_phy_resolve_fc(phy, params, vars);

		/* Read LP advertised speeds */
		if (val2 & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
	}
	return link_up;
}

static elink_status_t elink_7101_format_ver(uint32_t spirom_ver, uint8_t *str, uint16_t *len)
{
	if (*len < 5)
		return ELINK_STATUS_ERROR;
	str[0] = (spirom_ver & 0xFF);
	str[1] = (spirom_ver & 0xFF00) >> 8;
	str[2] = (spirom_ver & 0xFF0000) >> 16;
	str[3] = (spirom_ver & 0xFF000000) >> 24;
	str[4] = '\0';
	*len -= 5;
	return ELINK_STATUS_OK;
}

void elink_sfx7101_sp_sw_reset(struct bxe_softc *sc, struct elink_phy *phy)
{
	uint16_t val, cnt;

	elink_cl45_read(sc, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);

	for (cnt = 0; cnt < 10; cnt++) {
		DELAY(1000 * 50);
		/* Writes a self-clearing reset */
		elink_cl45_write(sc, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
		/* Wait for clear */
		elink_cl45_read(sc, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);

		if ((val & (1<<15)) == 0)
			break;
	}
}

static void elink_7101_hw_reset(struct elink_phy *phy,
				struct elink_params *params) {
	/* Low power mode is controlled by GPIO 2 */
	elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_2,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
	/* The PHY reset is controlled by GPIO 1 */
	elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
}

static void elink_7101_set_link_led(struct elink_phy *phy,
				    struct elink_params *params, uint8_t mode)
{
	uint16_t val = 0;
	struct bxe_softc *sc = params->sc;
	switch (mode) {
	case ELINK_LED_MODE_FRONT_PANEL_OFF:
	case ELINK_LED_MODE_OFF:
		val = 2;
		break;
	case ELINK_LED_MODE_ON:
		val = 1;
		break;
	case ELINK_LED_MODE_OPER:
		val = 0;
		break;
	}
	elink_cl45_write(sc, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
			 val);
}

/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/

static const struct elink_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_INIT_XGXS_FIRST,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= 0,
	.media_type	= ELINK_ETH_PHY_NOT_PRESENT,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)NULL,
	.read_status	= (read_status_t)NULL,
	.link_reset	= (link_reset_t)NULL,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

static const struct elink_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10baseT_Half |
			   ELINK_SUPPORTED_10baseT_Full |
			   ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_2500baseX_Full |
			   ELINK_SUPPORTED_TP |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_xgxs_config_init,
	.read_status	= (read_status_t)elink_link_settings_status,
	.link_reset	= (link_reset_t)elink_int_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

static const struct elink_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10baseT_Half |
			   ELINK_SUPPORTED_10baseT_Full |
			   ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_2500baseX_Full |
			   ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_FIBRE |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_CX4,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_xgxs_config_init,
	.read_status	= (read_status_t)elink_link_settings_status,
	.link_reset	= (link_reset_t)elink_int_link_reset,
	.config_loopback = (config_loopback_t)elink_set_xgxs_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)elink_xgxs_specific_func
};
static const struct elink_phy phy_warpcore = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_TX_ERROR_CHECK,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10baseT_Half |
			   ELINK_SUPPORTED_10baseT_Full |
			   ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_1000baseKX_Full |
			   ELINK_SUPPORTED_2500baseX_Full |
			   ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_10000baseKR_Full |
			   ELINK_SUPPORTED_20000baseKR2_Full |
			   ELINK_SUPPORTED_20000baseMLD2_Full |
			   ELINK_SUPPORTED_FIBRE |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	/* req_duplex = */0,
	/* rsrv = */0,
	.config_init	= (config_init_t)elink_warpcore_config_init,
	.read_status	= (read_status_t)elink_warpcore_read_status,
	.link_reset	= (link_reset_t)elink_warpcore_link_reset,
	.config_loopback = (config_loopback_t)elink_set_warpcore_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)elink_warpcore_hw_reset,
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};


static const struct elink_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_FAN_FAILURE_DET_REQ,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_TP |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_7101_config_init,
	.read_status	= (read_status_t)elink_7101_read_status,
	.link_reset	= (link_reset_t)elink_common_ext_link_reset,
	.config_loopback = (config_loopback_t)elink_7101_config_loopback,
	.format_fw_ver	= (format_fw_ver_t)elink_7101_format_ver,
	.hw_reset	= (hw_reset_t)elink_7101_hw_reset,
	.set_link_led	= (set_link_led_t)elink_7101_set_link_led,
	.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_2500baseX_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_FIBRE |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_KR,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_8073_config_init,
	.read_status	= (read_status_t)elink_8073_read_status,
	.link_reset	= (link_reset_t)elink_8073_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)elink_8073_specific_func
};
static const struct elink_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_INIT_XGXS_FIRST,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_FIBRE |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_XFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_8705_config_init,
	.read_status	= (read_status_t)elink_8705_read_status,
	.link_reset	= (link_reset_t)elink_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_null_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_INIT_XGXS_FIRST,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_FIBRE |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_SFPP_10G_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_8706_config_init,
	.read_status	= (read_status_t)elink_8706_read_status,
	.link_reset	= (link_reset_t)elink_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

static const struct elink_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= (ELINK_FLAGS_INIT_XGXS_FIRST |
			   ELINK_FLAGS_TX_ERROR_CHECK),
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_FIBRE |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_NOT_PRESENT,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_8726_config_init,
	.read_status	= (read_status_t)elink_8726_read_status,
	.link_reset	= (link_reset_t)elink_8726_link_reset,
	.config_loopback = (config_loopback_t)elink_8726_config_loopback,
	.format_fw_ver	= (format_fw_ver_t)elink_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

static const struct elink_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
			   ELINK_FLAGS_TX_ERROR_CHECK),
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_2500baseX_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_FIBRE |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_NOT_PRESENT,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_8727_config_init,
	.read_status	= (read_status_t)elink_8727_read_status,
	.link_reset	= (link_reset_t)elink_8727_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_format_ver,
	.hw_reset	= (hw_reset_t)elink_8727_hw_reset,
	.set_link_led	= (set_link_led_t)elink_8727_set_link_led,
	.phy_specific_func = (phy_specific_func_t)elink_8727_specific_func
};
static const struct elink_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_FAN_FAILURE_DET_REQ |
			  ELINK_FLAGS_REARM_LATCH_SIGNAL,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10baseT_Half |
			   ELINK_SUPPORTED_10baseT_Full |
			   ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_TP |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_8481_config_init,
	.read_status	= (read_status_t)elink_848xx_read_status,
	.link_reset	= (link_reset_t)elink_8481_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
	.hw_reset	= (hw_reset_t)elink_8481_hw_reset,
	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)NULL
};

static const struct elink_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
			   ELINK_FLAGS_REARM_LATCH_SIGNAL |
			   ELINK_FLAGS_TX_ERROR_CHECK),
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10baseT_Half |
			   ELINK_SUPPORTED_10baseT_Full |
			   ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_TP |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_848x3_config_init,
	.read_status	= (read_status_t)elink_848xx_read_status,
	.link_reset	= (link_reset_t)elink_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
};

static const struct elink_phy phy_84833 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
			   ELINK_FLAGS_REARM_LATCH_SIGNAL |
			   ELINK_FLAGS_TX_ERROR_CHECK |
			   ELINK_FLAGS_TEMPERATURE),
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_TP |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_848x3_config_init,
	.read_status	= (read_status_t)elink_848xx_read_status,
	.link_reset	= (link_reset_t)elink_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
	.hw_reset	= (hw_reset_t)elink_84833_hw_reset_phy,
	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
};

static const struct elink_phy phy_84834 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_FAN_FAILURE_DET_REQ |
			    ELINK_FLAGS_REARM_LATCH_SIGNAL,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_TP |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_848x3_config_init,
	.read_status	= (read_status_t)elink_848xx_read_status,
	.link_reset	= (link_reset_t)elink_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
	.hw_reset	= (hw_reset_t)elink_84833_hw_reset_phy,
	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
};

static const struct elink_phy phy_84858 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_FAN_FAILURE_DET_REQ |
			    ELINK_FLAGS_REARM_LATCH_SIGNAL,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_10000baseT_Full |
			   ELINK_SUPPORTED_TP |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)elink_848x3_config_init,
	.read_status	= (read_status_t)elink_848xx_read_status,
	.link_reset	= (link_reset_t)elink_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
	.hw_reset	= (hw_reset_t)elink_84833_hw_reset_phy,
	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
	.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
};


static const struct elink_phy phy_54618se = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= ELINK_FLAGS_INIT_XGXS_FIRST,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (ELINK_SUPPORTED_10baseT_Half |
			   ELINK_SUPPORTED_10baseT_Full |
			   ELINK_SUPPORTED_100baseT_Half |
			   ELINK_SUPPORTED_100baseT_Full |
			   ELINK_SUPPORTED_1000baseT_Full |
			   ELINK_SUPPORTED_TP |
			   ELINK_SUPPORTED_Autoneg |
			   ELINK_SUPPORTED_Pause |
			   ELINK_SUPPORTED_Asym_Pause),
	.media_type	= ELINK_ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	/* req_duplex = */0,
	/* rsrv = */0,
	.config_init	= (config_init_t)elink_54618se_config_init,
	.read_status	= (read_status_t)elink_54618se_read_status,
	.link_reset	= (link_reset_t)elink_54618se_link_reset,
	.config_loopback = (config_loopback_t)elink_54618se_config_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
	.set_link_led	= (set_link_led_t)elink_5461x_set_link_led,
	.phy_specific_func = (phy_specific_func_t)elink_54618se_specific_func
};
/*****************************************************************/
/*                                                               */
/* Populate the phy according. Main function: elink_populate_phy   */
/*                                                               */
/*****************************************************************/

static void elink_populate_preemphasis(struct bxe_softc *sc, uint32_t shmem_base,
				     struct elink_phy *phy, uint8_t port,
				     uint8_t phy_index)
{
	/* Get the 4 lanes xgxs config rx and tx */
	uint32_t rx = 0, tx = 0, i;
	for (i = 0; i < 2; i++) {
		/* INT_PHY and ELINK_EXT_PHY1 share the same value location in
		 * the shmem. When num_phys is greater than 1, than this value
		 * applies only to ELINK_EXT_PHY1
		 */
		if (phy_index == ELINK_INT_PHY || phy_index == ELINK_EXT_PHY1) {
			rx = REG_RD(sc, shmem_base +
				    offsetof(struct shmem_region,
			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));

			tx = REG_RD(sc, shmem_base +
				    offsetof(struct shmem_region,
			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
		} else {
			rx = REG_RD(sc, shmem_base +
				    offsetof(struct shmem_region,
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));

			tx = REG_RD(sc, shmem_base +
				    offsetof(struct shmem_region,
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
		}

		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);

		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
		ELINK_DEBUG_P2(sc,"phy->rx_preemphasis = %x, phy->tx_preemphasis = %x\n",
			phy->rx_preemphasis[i << 1], phy->tx_preemphasis[i << 1]);
	}
}

static uint32_t elink_get_ext_phy_config(struct bxe_softc *sc, uint32_t shmem_base,
				    uint8_t phy_index, uint8_t port)
{
	uint32_t ext_phy_config = 0;
	switch (phy_index) {
	case ELINK_EXT_PHY1:
		ext_phy_config = REG_RD(sc, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config));
		break;
	case ELINK_EXT_PHY2:
		ext_phy_config = REG_RD(sc, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config2));
		break;
	default:
		ELINK_DEBUG_P1(sc, "Invalid phy_index %d\n", phy_index);
		return ELINK_STATUS_ERROR;
	}

	return ext_phy_config;
}
static elink_status_t elink_populate_int_phy(struct bxe_softc *sc, uint32_t shmem_base, uint8_t port,
				  struct elink_phy *phy)
{
	uint32_t phy_addr;
	uint32_t chip_id;
	uint32_t switch_cfg = (REG_RD(sc, shmem_base +
				       offsetof(struct shmem_region,
			dev_info.port_feature_config[port].link_config)) &
			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
	chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
		((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);

	ELINK_DEBUG_P1(sc, ":chip_id = 0x%x\n", chip_id);
	if (USES_WARPCORE(sc)) {
		uint32_t serdes_net_if;
		phy_addr = REG_RD(sc,
				  MISC_REG_WC0_CTRL_PHY_ADDR);
		*phy = phy_warpcore;
		if (REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
			phy->flags |= ELINK_FLAGS_4_PORT_MODE;
		else
			phy->flags &= ~ELINK_FLAGS_4_PORT_MODE;
			/* Check Dual mode */
		serdes_net_if = (REG_RD(sc, shmem_base +
					offsetof(struct shmem_region, dev_info.
					port_hw_config[port].default_cfg)) &
				 PORT_HW_CFG_NET_SERDES_IF_MASK);
		/* Set the appropriate supported and flags indications per
		 * interface type of the chip
		 */
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
			phy->supported &= (ELINK_SUPPORTED_10baseT_Half |
					   ELINK_SUPPORTED_10baseT_Full |
					   ELINK_SUPPORTED_100baseT_Half |
					   ELINK_SUPPORTED_100baseT_Full |
					   ELINK_SUPPORTED_1000baseT_Full |
					   ELINK_SUPPORTED_FIBRE |
					   ELINK_SUPPORTED_Autoneg |
					   ELINK_SUPPORTED_Pause |
					   ELINK_SUPPORTED_Asym_Pause);
			phy->media_type = ELINK_ETH_PHY_BASE_T;
			break;
		case PORT_HW_CFG_NET_SERDES_IF_XFI:
			phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
					   ELINK_SUPPORTED_10000baseT_Full |
					   ELINK_SUPPORTED_FIBRE |
					   ELINK_SUPPORTED_Pause |
					   ELINK_SUPPORTED_Asym_Pause);
			phy->media_type = ELINK_ETH_PHY_XFP_FIBER;
			break;
		case PORT_HW_CFG_NET_SERDES_IF_SFI:
			phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
					   ELINK_SUPPORTED_2500baseX_Full |
					   ELINK_SUPPORTED_10000baseT_Full |
					   ELINK_SUPPORTED_FIBRE |
					   ELINK_SUPPORTED_Pause |
					   ELINK_SUPPORTED_Asym_Pause);
			phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
			break;
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			phy->media_type = ELINK_ETH_PHY_KR;
			phy->supported &= (ELINK_SUPPORTED_1000baseKX_Full |
					   ELINK_SUPPORTED_10000baseKR_Full |
					   ELINK_SUPPORTED_FIBRE |
					   ELINK_SUPPORTED_Autoneg |
					   ELINK_SUPPORTED_Pause |
					   ELINK_SUPPORTED_Asym_Pause);
			break;
		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
			phy->media_type = ELINK_ETH_PHY_KR;
			phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
			phy->supported &= (ELINK_SUPPORTED_20000baseMLD2_Full |
					   ELINK_SUPPORTED_FIBRE |
					   ELINK_SUPPORTED_Pause |
					   ELINK_SUPPORTED_Asym_Pause);
			break;
		case PORT_HW_CFG_NET_SERDES_IF_KR2:
			phy->media_type = ELINK_ETH_PHY_KR;
			phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
			phy->supported &= (ELINK_SUPPORTED_20000baseKR2_Full |
					   ELINK_SUPPORTED_10000baseKR_Full |
					   ELINK_SUPPORTED_1000baseKX_Full |
					   ELINK_SUPPORTED_Autoneg |
					   ELINK_SUPPORTED_FIBRE |
					   ELINK_SUPPORTED_Pause |
					   ELINK_SUPPORTED_Asym_Pause);
			phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
			break;
		default:
			ELINK_DEBUG_P1(sc, "Unknown WC interface type 0x%x\n",
				       serdes_net_if);
			break;
		}

		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
		 * was not set as expected. For B0, ECO will be enabled so there
		 * won't be an issue there
		 */
		if (CHIP_REV(sc) == CHIP_REV_Ax)
			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA;
		else
			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_B0;
		ELINK_DEBUG_P3(sc, "media_type = %x, flags = %x, supported = %x\n",
				phy->media_type, phy->flags, phy->supported);
	} else
	{
		switch (switch_cfg) {
		case ELINK_SWITCH_CFG_1G:
			phy_addr = REG_RD(sc,
					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
					  port * 0x10);
			*phy = phy_serdes;
			break;
		case ELINK_SWITCH_CFG_10G:
			phy_addr = REG_RD(sc,
					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
					  port * 0x18);
			*phy = phy_xgxs;
			break;
		default:
			ELINK_DEBUG_P0(sc, "Invalid switch_cfg\n");
			return ELINK_STATUS_ERROR;
		}
	}
	phy->addr = (uint8_t)phy_addr;
	phy->mdio_ctrl = elink_get_emac_base(sc,
					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
					    port);
	if (CHIP_IS_E2(sc))
		phy->def_md_devad = ELINK_E2_DEFAULT_PHY_DEV_ADDR;
	else
		phy->def_md_devad = ELINK_DEFAULT_PHY_DEV_ADDR;

	ELINK_DEBUG_P3(sc, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
		   port, phy->addr, phy->mdio_ctrl);

	elink_populate_preemphasis(sc, shmem_base, phy, port, ELINK_INT_PHY);
	return ELINK_STATUS_OK;
}

static elink_status_t elink_populate_ext_phy(struct bxe_softc *sc,
				  uint8_t phy_index,
				  uint32_t shmem_base,
				  uint32_t shmem2_base,
				  uint8_t port,
				  struct elink_phy *phy)
{
	uint32_t ext_phy_config, phy_type, config2;
	uint32_t mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
	ext_phy_config = elink_get_ext_phy_config(sc, shmem_base,
						  phy_index, port);
	phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
	/* Select the phy type */
	switch (phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
		*phy = phy_8073;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
		*phy = phy_8705;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
		*phy = phy_8706;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8726;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
		/* BCM8727_NOC => BCM8727 no over current */
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8727;
		phy->flags |= ELINK_FLAGS_NOC;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8727;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
		*phy = phy_8481;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
		*phy = phy_84823;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		*phy = phy_84833;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
		*phy = phy_84834;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
		*phy = phy_84858;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
		*phy = phy_54618se;
		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			phy->flags |= ELINK_FLAGS_EEE;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
		*phy = phy_7101;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		*phy = phy_null;
		return ELINK_STATUS_ERROR;
	default:
		*phy = phy_null;
		/* In case external PHY wasn't found */
		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
			return ELINK_STATUS_ERROR;
		return ELINK_STATUS_OK;
	}

	phy->addr = ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config);
	elink_populate_preemphasis(sc, shmem_base, phy, port, phy_index);

	/* The shmem address of the phy version is located on different
	 * structures. In case this structure is too old, do not set
	 * the address
	 */
	config2 = REG_RD(sc, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
	if (phy_index == ELINK_EXT_PHY1) {
		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
				port_mb[port].ext_phy_fw_version);

		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
			mdc_mdio_access = config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
	} else {
		uint32_t size = REG_RD(sc, shmem2_base);

		if (size >
		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
			phy->ver_addr = shmem2_base +
			    offsetof(struct shmem2_region,
				     ext_phy_fw_version2[port]);
		}
		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
			mdc_mdio_access = (config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
	}
	phy->mdio_ctrl = elink_get_emac_base(sc, mdc_mdio_access, port);

	if (elink_is_8483x_8485x(phy) && (phy->ver_addr)) {
		/* Remove 100Mb link supported for BCM84833/4 when phy fw
		 * version lower than or equal to 1.39
		 */
		uint32_t raw_ver = REG_RD(sc, phy->ver_addr);
		if (((raw_ver & 0x7F) <= 39) &&
		    (((raw_ver & 0xF80) >> 7) <= 1))
			phy->supported &= ~(ELINK_SUPPORTED_100baseT_Half |
					    ELINK_SUPPORTED_100baseT_Full);
	}

	ELINK_DEBUG_P3(sc, "phy_type 0x%x port %d found in index %d\n",
		   phy_type, port, phy_index);
	ELINK_DEBUG_P2(sc, "             addr=0x%x, mdio_ctl=0x%x\n",
		   phy->addr, phy->mdio_ctrl);
	return ELINK_STATUS_OK;
}

static elink_status_t elink_populate_phy(struct bxe_softc *sc, uint8_t phy_index, uint32_t shmem_base,
			      uint32_t shmem2_base, uint8_t port, struct elink_phy *phy)
{
	elink_status_t status = ELINK_STATUS_OK;
	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
	if (phy_index == ELINK_INT_PHY)
		return elink_populate_int_phy(sc, shmem_base, port, phy);
	status = elink_populate_ext_phy(sc, phy_index, shmem_base, shmem2_base,
					port, phy);
	return status;
}

static void elink_phy_def_cfg(struct elink_params *params,
			      struct elink_phy *phy,
			      uint8_t phy_index)
{
	struct bxe_softc *sc = params->sc;
	uint32_t link_config;
	/* Populate the default phy configuration for MF mode */
	if (phy_index == ELINK_EXT_PHY2) {
		link_config = REG_RD(sc, params->shmem_base +
				     offsetof(struct shmem_region, dev_info.
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(sc, params->shmem_base +
				     offsetof(struct shmem_region, dev_info.
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
	}
	ELINK_DEBUG_P3(sc,
	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
	   phy_index, link_config, phy->speed_cap_mask);

	phy->req_duplex = DUPLEX_FULL;
	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
	case PORT_FEATURE_LINK_SPEED_10M_HALF:
		phy->req_duplex = DUPLEX_HALF;
	case PORT_FEATURE_LINK_SPEED_10M_FULL:
		phy->req_line_speed = ELINK_SPEED_10;
		break;
	case PORT_FEATURE_LINK_SPEED_100M_HALF:
		phy->req_duplex = DUPLEX_HALF;
	case PORT_FEATURE_LINK_SPEED_100M_FULL:
		phy->req_line_speed = ELINK_SPEED_100;
		break;
	case PORT_FEATURE_LINK_SPEED_1G:
		phy->req_line_speed = ELINK_SPEED_1000;
		break;
	case PORT_FEATURE_LINK_SPEED_2_5G:
		phy->req_line_speed = ELINK_SPEED_2500;
		break;
	case PORT_FEATURE_LINK_SPEED_10G_CX4:
		phy->req_line_speed = ELINK_SPEED_10000;
		break;
	default:
		phy->req_line_speed = ELINK_SPEED_AUTO_NEG;
		break;
	}

	ELINK_DEBUG_P2(sc, "Default config phy idx %x, req_duplex config %x\n",
			phy_index, phy->req_duplex);

	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
	case PORT_FEATURE_FLOW_CONTROL_AUTO:
		phy->req_flow_ctrl = ELINK_FLOW_CTRL_AUTO;
		break;
	case PORT_FEATURE_FLOW_CONTROL_TX:
		phy->req_flow_ctrl = ELINK_FLOW_CTRL_TX;
		break;
	case PORT_FEATURE_FLOW_CONTROL_RX:
		phy->req_flow_ctrl = ELINK_FLOW_CTRL_RX;
		break;
	case PORT_FEATURE_FLOW_CONTROL_BOTH:
		phy->req_flow_ctrl = ELINK_FLOW_CTRL_BOTH;
		break;
	default:
		phy->req_flow_ctrl = ELINK_FLOW_CTRL_NONE;
		break;
	}
	ELINK_DEBUG_P3(sc, "Requested Duplex = %x, line_speed = %x, flow_ctrl = %x\n",
			phy->req_duplex, phy->req_line_speed, phy->req_flow_ctrl);
}

uint32_t elink_phy_selection(struct elink_params *params)
{
	uint32_t phy_config_swapped, prio_cfg;
	uint32_t return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;

	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;

	prio_cfg = params->multi_phy_config &
			PORT_HW_CFG_PHY_SELECTION_MASK;

	if (phy_config_swapped) {
		switch (prio_cfg) {
		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
		     break;
		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
		     break;
		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
		     break;
		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
		     break;
		}
	} else
		return_cfg = prio_cfg;

	return return_cfg;
}

elink_status_t elink_phy_probe(struct elink_params *params)
{
	uint8_t phy_index, actual_phy_idx;
	uint32_t phy_config_swapped, sync_offset, media_types;
	struct bxe_softc *sc = params->sc;
	struct elink_phy *phy;
	params->num_phys = 0;
	ELINK_DEBUG_P0(sc, "Begin phy probe\n");
#ifdef ELINK_INCLUDE_EMUL
	if (CHIP_REV_IS_EMUL(sc))
		return ELINK_STATUS_OK;
#endif
	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;

	for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
	      phy_index++) {
		actual_phy_idx = phy_index;
		if (phy_config_swapped) {
			if (phy_index == ELINK_EXT_PHY1)
				actual_phy_idx = ELINK_EXT_PHY2;
			else if (phy_index == ELINK_EXT_PHY2)
				actual_phy_idx = ELINK_EXT_PHY1;
		}
		ELINK_DEBUG_P3(sc, "phy_config_swapped %x, phy_index %x,"
			       " actual_phy_idx %x\n", phy_config_swapped,
			   phy_index, actual_phy_idx);
		phy = &params->phy[actual_phy_idx];
		if (elink_populate_phy(sc, phy_index, params->shmem_base,
				       params->shmem2_base, params->port,
				       phy) != ELINK_STATUS_OK) {
			params->num_phys = 0;
			ELINK_DEBUG_P1(sc, "phy probe failed in phy index %d\n",
				   phy_index);
			for (phy_index = ELINK_INT_PHY;
			      phy_index < ELINK_MAX_PHYS;
			      phy_index++)
				*phy = phy_null;
			return ELINK_STATUS_ERROR;
		}
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
			break;

		if (params->feature_config_flags &
		    ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
			phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;

		if (!(params->feature_config_flags &
		      ELINK_FEATURE_CONFIG_MT_SUPPORT))
			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_G;

		sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].media_type);
		media_types = REG_RD(sc, sync_offset);

		/* Update media type for non-PMF sync only for the first time
		 * In case the media type changes afterwards, it will be updated
		 * using the update_status function
		 */
		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
				     actual_phy_idx))) == 0) {
			media_types |= ((phy->media_type &
					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
				 actual_phy_idx));
		}
		REG_WR(sc, sync_offset, media_types);

		elink_phy_def_cfg(params, phy, phy_index);
		params->num_phys++;
	}

	ELINK_DEBUG_P1(sc, "End phy probe. #phys found %x\n", params->num_phys);
	return ELINK_STATUS_OK;
}

#ifdef ELINK_INCLUDE_EMUL
static elink_status_t elink_init_e3_emul_mac(struct elink_params *params,
					     struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	vars->line_speed = params->req_line_speed[0];
	/* In case link speed is auto, set speed the highest as possible */
	if (params->req_line_speed[0] == ELINK_SPEED_AUTO_NEG) {
		if (params->feature_config_flags &
		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC)
			vars->line_speed = ELINK_SPEED_2500;
		else if (elink_is_4_port_mode(sc))
			vars->line_speed = ELINK_SPEED_10000;
		else
			vars->line_speed = ELINK_SPEED_20000;
	}
	if (vars->line_speed < ELINK_SPEED_10000) {
		if ((params->feature_config_flags &
		     ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC)) {
			ELINK_DEBUG_P1(sc, "Invalid line speed %d while UMAC is"
				   " disabled!\n", params->req_line_speed[0]);
			return ELINK_STATUS_ERROR;
		}
		switch (vars->line_speed) {
		case ELINK_SPEED_10:
			vars->link_status = ELINK_LINK_10TFD;
			break;
		case ELINK_SPEED_100:
			vars->link_status = ELINK_LINK_100TXFD;
			break;
		case ELINK_SPEED_1000:
			vars->link_status = ELINK_LINK_1000TFD;
			break;
		case ELINK_SPEED_2500:
			vars->link_status = ELINK_LINK_2500TFD;
			break;
		default:
			ELINK_DEBUG_P1(sc, "Invalid line speed %d for UMAC\n",
				   vars->line_speed);
			return ELINK_STATUS_ERROR;
		}
		vars->link_status |= LINK_STATUS_LINK_UP;

		if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
			elink_umac_enable(params, vars, 1);
		else
			elink_umac_enable(params, vars, 0);
	} else {
		/* Link speed >= 10000 requires XMAC enabled */
		if (params->feature_config_flags &
		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC) {
			ELINK_DEBUG_P1(sc, "Invalid line speed %d while XMAC is"
				   " disabled!\n", params->req_line_speed[0]);
		return ELINK_STATUS_ERROR;
	}
		/* Check link speed */
		switch (vars->line_speed) {
		case ELINK_SPEED_10000:
			vars->link_status = ELINK_LINK_10GTFD;
			break;
		case ELINK_SPEED_20000:
			vars->link_status = ELINK_LINK_20GTFD;
			break;
		default:
			ELINK_DEBUG_P1(sc, "Invalid line speed %d for XMAC\n",
				   vars->line_speed);
			return ELINK_STATUS_ERROR;
		}
		vars->link_status |= LINK_STATUS_LINK_UP;
		if (params->loopback_mode == ELINK_LOOPBACK_XMAC)
			elink_xmac_enable(params, vars, 1);
		else
			elink_xmac_enable(params, vars, 0);
	}
		return ELINK_STATUS_OK;
}

static elink_status_t elink_init_emul(struct elink_params *params,
			    struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	if (CHIP_IS_E3(sc)) {
		if (elink_init_e3_emul_mac(params, vars) !=
		    ELINK_STATUS_OK)
			return ELINK_STATUS_ERROR;
	} else {
		if (params->feature_config_flags &
		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC) {
			vars->line_speed = ELINK_SPEED_1000;
			vars->link_status = (LINK_STATUS_LINK_UP |
					     ELINK_LINK_1000XFD);
			if (params->loopback_mode ==
			    ELINK_LOOPBACK_EMAC)
				elink_emac_enable(params, vars, 1);
			else
				elink_emac_enable(params, vars, 0);
		} else {
			vars->line_speed = ELINK_SPEED_10000;
			vars->link_status = (LINK_STATUS_LINK_UP |
					     ELINK_LINK_10GTFD);
			if (params->loopback_mode ==
			    ELINK_LOOPBACK_BMAC)
				elink_bmac_enable(params, vars, 1, 1);
			else
				elink_bmac_enable(params, vars, 0, 1);
		}
	}
	vars->link_up = 1;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;

		if (CHIP_IS_E1x(sc))
			elink_pbf_update(params, vars->flow_ctrl,
					 vars->line_speed);
		/* Disable drain */
		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);

		/* update shared memory */
		elink_update_mng(params, vars->link_status);
	return ELINK_STATUS_OK;
}
#endif
#ifdef ELINK_INCLUDE_FPGA
static elink_status_t elink_init_fpga(struct elink_params *params,
			    struct elink_vars *vars)
{
	/* Enable on E1.5 FPGA */
	struct bxe_softc *sc = params->sc;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
	if (!(CHIP_IS_E1(sc))) {
		vars->flow_ctrl = (ELINK_FLOW_CTRL_TX |
				   ELINK_FLOW_CTRL_RX);
		vars->link_status |= (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
				      LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
	}
	if (CHIP_IS_E3(sc)) {
		vars->line_speed = params->req_line_speed[0];
		switch (vars->line_speed) {
		case ELINK_SPEED_AUTO_NEG:
			vars->line_speed = ELINK_SPEED_2500;
		case ELINK_SPEED_2500:
			vars->link_status = ELINK_LINK_2500TFD;
			break;
		case ELINK_SPEED_1000:
			vars->link_status = ELINK_LINK_1000XFD;
			break;
		case ELINK_SPEED_100:
			vars->link_status = ELINK_LINK_100TXFD;
			break;
		case ELINK_SPEED_10:
			vars->link_status = ELINK_LINK_10TFD;
			break;
		default:
			ELINK_DEBUG_P1(sc, "Invalid link speed %d\n",
				   params->req_line_speed[0]);
			return ELINK_STATUS_ERROR;
		}
		vars->link_status |= LINK_STATUS_LINK_UP;
		if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
			elink_umac_enable(params, vars, 1);
		else
			elink_umac_enable(params, vars, 0);
	} else {
		vars->line_speed = ELINK_SPEED_10000;
		vars->link_status = (LINK_STATUS_LINK_UP | ELINK_LINK_10GTFD);
		if (params->loopback_mode == ELINK_LOOPBACK_EMAC)
			elink_emac_enable(params, vars, 1);
		else
			elink_emac_enable(params, vars, 0);
	}
	vars->link_up = 1;

	if (CHIP_IS_E1x(sc))
		elink_pbf_update(params, vars->flow_ctrl,
				 vars->line_speed);
	/* Disable drain */
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);

	/* Update shared memory */
	elink_update_mng(params, vars->link_status);
		return ELINK_STATUS_OK;
}
#endif
static void elink_init_bmac_loopback(struct elink_params *params,
				     struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
		vars->link_up = 1;
		vars->line_speed = ELINK_SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
		vars->mac_type = ELINK_MAC_TYPE_BMAC;

		vars->phy_flags = PHY_XGXS_FLAG;

		elink_xgxs_deassert(params);

		/* Set bmac loopback */
		elink_bmac_enable(params, vars, 1, 1);

		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}

static void elink_init_emac_loopback(struct elink_params *params,
				     struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
		vars->link_up = 1;
		vars->line_speed = ELINK_SPEED_1000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
		vars->mac_type = ELINK_MAC_TYPE_EMAC;

		vars->phy_flags = PHY_XGXS_FLAG;

		elink_xgxs_deassert(params);
		/* Set bmac loopback */
		elink_emac_enable(params, vars, 1);
		elink_emac_program(params, vars);
		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}

static void elink_init_xmac_loopback(struct elink_params *params,
				     struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	vars->link_up = 1;
	if (!params->req_line_speed[0])
		vars->line_speed = ELINK_SPEED_10000;
	else
		vars->line_speed = params->req_line_speed[0];
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
	vars->mac_type = ELINK_MAC_TYPE_XMAC;
	vars->phy_flags = PHY_XGXS_FLAG;
	/* Set WC to loopback mode since link is required to provide clock
	 * to the XMAC in 20G mode
	 */
	elink_set_aer_mmd(params, &params->phy[0]);
	elink_warpcore_reset_lane(sc, &params->phy[0], 0);
	params->phy[ELINK_INT_PHY].config_loopback(
			&params->phy[ELINK_INT_PHY],
			params);

	elink_xmac_enable(params, vars, 1);
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}

static void elink_init_umac_loopback(struct elink_params *params,
				     struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	vars->link_up = 1;
	vars->line_speed = ELINK_SPEED_1000;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
	vars->mac_type = ELINK_MAC_TYPE_UMAC;
	vars->phy_flags = PHY_XGXS_FLAG;
	elink_umac_enable(params, vars, 1);

	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}

static void elink_init_xgxs_loopback(struct elink_params *params,
				     struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
	vars->link_up = 1;
	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
	vars->duplex = DUPLEX_FULL;
	if (params->req_line_speed[0] == ELINK_SPEED_1000)
		vars->line_speed = ELINK_SPEED_1000;
	else if ((params->req_line_speed[0] == ELINK_SPEED_20000) ||
		 (int_phy->flags & ELINK_FLAGS_WC_DUAL_MODE))
		vars->line_speed = ELINK_SPEED_20000;
	else
		vars->line_speed = ELINK_SPEED_10000;

	if (!USES_WARPCORE(sc))
		elink_xgxs_deassert(params);
	elink_link_initialize(params, vars);

	if (params->req_line_speed[0] == ELINK_SPEED_1000) {
		if (USES_WARPCORE(sc))
			elink_umac_enable(params, vars, 0);
		else {
			elink_emac_program(params, vars);
			elink_emac_enable(params, vars, 0);
		}
	} else {
		if (USES_WARPCORE(sc))
			elink_xmac_enable(params, vars, 0);
		else
			elink_bmac_enable(params, vars, 0, 1);
	}

	if (params->loopback_mode == ELINK_LOOPBACK_XGXS) {
		/* Set 10G XGXS loopback */
		int_phy->config_loopback(int_phy, params);
	} else {
		/* Set external phy loopback */
		uint8_t phy_index;
		for (phy_index = ELINK_EXT_PHY1;
		      phy_index < params->num_phys; phy_index++)
			if (params->phy[phy_index].config_loopback)
				params->phy[phy_index].config_loopback(
					&params->phy[phy_index],
					params);
	}
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);

	elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
}

void elink_set_rx_filter(struct elink_params *params, uint8_t en)
{
	struct bxe_softc *sc = params->sc;
	uint8_t val = en * 0x1F;

	/* Open / close the gate between the NIG and the BRB */
	if (!CHIP_IS_E1x(sc))
		val |= en * 0x20;
	REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);

	if (!CHIP_IS_E1(sc)) {
		REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
		       en*0x3);
	}

	REG_WR(sc, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
}
static elink_status_t elink_avoid_link_flap(struct elink_params *params,
					    struct elink_vars *vars)
{
	uint32_t phy_idx;
	uint32_t dont_clear_stat, lfa_sts;
	struct bxe_softc *sc = params->sc;

	elink_set_mdio_emac_per_phy(sc, params);
	/* Sync the link parameters */
	elink_link_status_update(params, vars);

	/*
	 * The module verification was already done by previous link owner,
	 * so this call is meant only to get warning message
	 */

	for (phy_idx = ELINK_INT_PHY; phy_idx < params->num_phys; phy_idx++) {
		struct elink_phy *phy = &params->phy[phy_idx];
		if (phy->phy_specific_func) {
			ELINK_DEBUG_P0(sc, "Calling PHY specific func\n");
			phy->phy_specific_func(phy, params, ELINK_PHY_INIT);
		}
		if ((phy->media_type == ELINK_ETH_PHY_SFPP_10G_FIBER) ||
		    (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER) ||
		    (phy->media_type == ELINK_ETH_PHY_DA_TWINAX))
			elink_verify_sfp_module(phy, params);
	}
	lfa_sts = REG_RD(sc, params->lfa_base +
			 offsetof(struct shmem_lfa,
				  lfa_sts));

	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;

	/* Re-enable the NIG/MAC */
	if (CHIP_IS_E3(sc)) {
		if (!dont_clear_stat) {
			REG_WR(sc, GRCBASE_MISC +
			       MISC_REGISTERS_RESET_REG_2_CLEAR,
			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
				params->port));
			REG_WR(sc, GRCBASE_MISC +
			       MISC_REGISTERS_RESET_REG_2_SET,
			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
				params->port));
		}
		if (vars->line_speed < ELINK_SPEED_10000)
			elink_umac_enable(params, vars, 0);
		else
			elink_xmac_enable(params, vars, 0);
	} else {
		if (vars->line_speed < ELINK_SPEED_10000)
			elink_emac_enable(params, vars, 0);
		else
			elink_bmac_enable(params, vars, 0, !dont_clear_stat);
	}

	/* Increment LFA count */
	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
	/* Clear link flap reason */
	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;

	REG_WR(sc, params->lfa_base +
	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);

	/* Disable NIG DRAIN */
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);

	/* Enable interrupts */
	elink_link_int_enable(params);
	return ELINK_STATUS_OK;
}

static void elink_cannot_avoid_link_flap(struct elink_params *params,
					 struct elink_vars *vars,
					 int lfa_status)
{
	uint32_t lfa_sts, cfg_idx, tmp_val;
	struct bxe_softc *sc = params->sc;

	elink_link_reset(params, vars, 1);

	if (!params->lfa_base)
		return;
	/* Store the new link parameters */
	REG_WR(sc, params->lfa_base +
	       offsetof(struct shmem_lfa, req_duplex),
	       params->req_duplex[0] | (params->req_duplex[1] << 16));

	REG_WR(sc, params->lfa_base +
	       offsetof(struct shmem_lfa, req_flow_ctrl),
	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));

	REG_WR(sc, params->lfa_base +
	       offsetof(struct shmem_lfa, req_line_speed),
	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));

	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
		REG_WR(sc, params->lfa_base +
		       offsetof(struct shmem_lfa,
				speed_cap_mask[cfg_idx]),
		       params->speed_cap_mask[cfg_idx]);
	}

	tmp_val = REG_RD(sc, params->lfa_base +
			 offsetof(struct shmem_lfa, additional_config));
	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
	tmp_val |= params->req_fc_auto_adv;

	REG_WR(sc, params->lfa_base +
	       offsetof(struct shmem_lfa, additional_config), tmp_val);

	lfa_sts = REG_RD(sc, params->lfa_base +
			 offsetof(struct shmem_lfa, lfa_sts));

	/* Clear the "Don't Clear Statistics" bit, and set reason */
	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;

	/* Set link flap reason */
	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
		    LFA_LINK_FLAP_REASON_OFFSET);

	/* Increment link flap counter */
	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
		    << LINK_FLAP_COUNT_OFFSET));
	REG_WR(sc, params->lfa_base +
	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
	/* Proceed with regular link initialization */
}

elink_status_t elink_phy_init(struct elink_params *params, struct elink_vars *vars)
{
	int lfa_status;
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "Phy Initialization started\n");
	ELINK_DEBUG_P2(sc, "(1) req_speed %d, req_flowctrl %d\n",
		   params->req_line_speed[0], params->req_flow_ctrl[0]);
	ELINK_DEBUG_P2(sc, "(2) req_speed %d, req_flowctrl %d\n",
		   params->req_line_speed[1], params->req_flow_ctrl[1]);
	ELINK_DEBUG_P1(sc, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
	vars->link_status = 0;
	vars->phy_link_up = 0;
	vars->link_up = 0;
	vars->line_speed = 0;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
	vars->mac_type = ELINK_MAC_TYPE_NONE;
	vars->phy_flags = 0;
	vars->check_kr2_recovery_cnt = 0;
	params->link_flags = ELINK_PHY_INITIALIZED;
	/* Driver opens NIG-BRB filters */
	elink_set_rx_filter(params, 1);
	elink_chng_link_count(params, 1);
	/* Check if link flap can be avoided */
	lfa_status = elink_check_lfa(params);

	ELINK_DEBUG_P3(sc, " params : port = %x, loopback_mode = %x req_duplex = %x\n",
                        params->port, params->loopback_mode, params->req_duplex[0]);
        ELINK_DEBUG_P3(sc, " params : switch_cfg = %x, lane_config = %x req_duplex[1] = %x\n",
                        params->switch_cfg, params->lane_config, params->req_duplex[1]);
        ELINK_DEBUG_P3(sc, " params : chip_id = %x, feature_config_flags = %x, num_phys = %x\n",
                       params->chip_id, params->feature_config_flags, params->num_phys);
        ELINK_DEBUG_P3(sc, " params : rsrv = %x, eee_mode = %x, hw_led_mode = x\n",
                        params->rsrv, params->eee_mode, params->hw_led_mode);
        ELINK_DEBUG_P3(sc, " params : multi_phy = %x, req_fc_auto_adv = %x, link_flags = %x\n",
                        params->multi_phy_config, params->req_fc_auto_adv, params->link_flags);
        ELINK_DEBUG_P2(sc, " params : lfa_base = %x, link_attr = %x\n",
                        params->lfa_base, params->link_attr_sync);
	if (lfa_status == 0) {
		ELINK_DEBUG_P0(sc, "Link Flap Avoidance in progress\n");
		return elink_avoid_link_flap(params, vars);
	}

	ELINK_DEBUG_P1(sc, "Cannot avoid link flap lfa_sta=0x%x\n",
		       lfa_status);
	elink_cannot_avoid_link_flap(params, vars, lfa_status);

	/* Disable attentions */
	elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
			ELINK_NIG_MASK_XGXS0_LINK10G |
			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
			ELINK_NIG_MASK_MI_INT));
#ifdef ELINK_INCLUDE_EMUL
	if (!(params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC))
#endif

	elink_emac_init(params, vars);

	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;

	if ((params->num_phys == 0) &&
	    !CHIP_REV_IS_SLOW(sc)) {
		ELINK_DEBUG_P0(sc, "No phy found for initialization !!\n");
		return ELINK_STATUS_ERROR;
	}
	set_phy_vars(params, vars);

	ELINK_DEBUG_P1(sc, "Num of phys on board: %d\n", params->num_phys);
#ifdef ELINK_INCLUDE_FPGA
	if (CHIP_REV_IS_FPGA(sc)) {
		return elink_init_fpga(params, vars);
	} else
#endif
#ifdef ELINK_INCLUDE_EMUL
	if (CHIP_REV_IS_EMUL(sc)) {
		return elink_init_emul(params, vars);
	} else
#endif
	switch (params->loopback_mode) {
	case ELINK_LOOPBACK_BMAC:
		elink_init_bmac_loopback(params, vars);
		break;
	case ELINK_LOOPBACK_EMAC:
		elink_init_emac_loopback(params, vars);
		break;
	case ELINK_LOOPBACK_XMAC:
		elink_init_xmac_loopback(params, vars);
		break;
	case ELINK_LOOPBACK_UMAC:
		elink_init_umac_loopback(params, vars);
		break;
	case ELINK_LOOPBACK_XGXS:
	case ELINK_LOOPBACK_EXT_PHY:
		elink_init_xgxs_loopback(params, vars);
		break;
	default:
		if (!CHIP_IS_E3(sc)) {
			if (params->switch_cfg == ELINK_SWITCH_CFG_10G)
				elink_xgxs_deassert(params);
			else
				elink_serdes_deassert(sc, params->port);
		}
		elink_link_initialize(params, vars);
		DELAY(1000 * 30);
		elink_link_int_enable(params);
		break;
	}
	elink_update_mng(params, vars->link_status);

	elink_update_mng_eee(params, vars->eee_status);
	return ELINK_STATUS_OK;
}

elink_status_t elink_link_reset(struct elink_params *params, struct elink_vars *vars,
		     uint8_t reset_ext_phy)
{
	struct bxe_softc *sc = params->sc;
	uint8_t phy_index, port = params->port, clear_latch_ind = 0;
	ELINK_DEBUG_P1(sc, "Resetting the link of port %d\n", port);
	/* Disable attentions */
	vars->link_status = 0;
	elink_chng_link_count(params, 1);
	elink_update_mng(params, vars->link_status);
	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
			      SHMEM_EEE_ACTIVE_BIT);
	elink_update_mng_eee(params, vars->eee_status);
	elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
			ELINK_NIG_MASK_XGXS0_LINK10G |
			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
			ELINK_NIG_MASK_MI_INT));

	/* Activate nig drain */
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);

	/* Disable nig egress interface */
	if (!CHIP_IS_E3(sc)) {
		REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0);
		REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
	}

#ifdef ELINK_INCLUDE_EMUL
	/* Stop BigMac rx */
	if (!(params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC))
#endif
		if (!CHIP_IS_E3(sc))
			elink_set_bmac_rx(sc, params->chip_id, port, 0);
#ifdef ELINK_INCLUDE_EMUL
	/* Stop XMAC/UMAC rx */
	if (!(params->feature_config_flags &
	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC))
#endif
		if (CHIP_IS_E3(sc) &&
		!CHIP_REV_IS_FPGA(sc)) {
			elink_set_xmac_rxtx(params, 0);
			elink_set_umac_rxtx(params, 0);
		}
	/* Disable emac */
	if (!CHIP_IS_E3(sc))
		REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	DELAY(1000 * 10);
	/* The PHY reset is controlled by GPIO 1
	 * Hold it as vars low
	 */
	 /* Clear link led */
	elink_set_mdio_emac_per_phy(sc, params);
	elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);

	if (reset_ext_phy && (!CHIP_REV_IS_SLOW(sc))) {
		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
			if (params->phy[phy_index].link_reset) {
				elink_set_aer_mmd(params,
						  &params->phy[phy_index]);
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
			}
			if (params->phy[phy_index].flags &
			    ELINK_FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
		}
	}

	if (clear_latch_ind) {
		/* Clear latching indication */
		elink_rearm_latch_signal(sc, port, 0);
		elink_bits_dis(sc, NIG_REG_LATCH_BC_0 + port*4,
			       1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
	}
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
	if (!CHIP_REV_IS_SLOW(sc))
#endif
	if (params->phy[ELINK_INT_PHY].link_reset)
		params->phy[ELINK_INT_PHY].link_reset(
			&params->phy[ELINK_INT_PHY], params);

	/* Disable nig ingress interface */
	if (!CHIP_IS_E3(sc)) {
		/* Reset BigMac */
		REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
		REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0);
		REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0);
	} else {
		uint32_t xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
		elink_set_xumac_nig(params, 0, 0);
		if (REG_RD(sc, MISC_REG_RESET_REG_2) &
		    MISC_REGISTERS_RESET_REG_2_XMAC)
			REG_WR(sc, xmac_base + XMAC_REG_CTRL,
			       XMAC_CTRL_REG_SOFT_RESET);
	}
	vars->link_up = 0;
	vars->phy_flags = 0;
	return ELINK_STATUS_OK;
}
elink_status_t elink_lfa_reset(struct elink_params *params,
			       struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	vars->link_up = 0;
	vars->phy_flags = 0;
	params->link_flags &= ~ELINK_PHY_INITIALIZED;
	if (!params->lfa_base)
		return elink_link_reset(params, vars, 1);
	/*
	 * Activate NIG drain so that during this time the device won't send
	 * anything while it is unable to response.
	 */
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);

	/*
	 * Close gracefully the gate from BMAC to NIG such that no half packets
	 * are passed.
	 */
	if (!CHIP_IS_E3(sc))
		elink_set_bmac_rx(sc, params->chip_id, params->port, 0);

	if (CHIP_IS_E3(sc)) {
		elink_set_xmac_rxtx(params, 0);
		elink_set_umac_rxtx(params, 0);
	}
	/* Wait 10ms for the pipe to clean up*/
	DELAY(1000 * 10);

	/* Clean the NIG-BRB using the network filters in a way that will
	 * not cut a packet in the middle.
	 */
	elink_set_rx_filter(params, 0);

	/*
	 * Re-open the gate between the BMAC and the NIG, after verifying the
	 * gate to the BRB is closed, otherwise packets may arrive to the
	 * firmware before driver had initialized it. The target is to achieve
	 * minimum management protocol down time.
	 */
	if (!CHIP_IS_E3(sc))
		elink_set_bmac_rx(sc, params->chip_id, params->port, 1);

	if (CHIP_IS_E3(sc)) {
		elink_set_xmac_rxtx(params, 1);
		elink_set_umac_rxtx(params, 1);
	}
	/* Disable NIG drain */
	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
	return ELINK_STATUS_OK;
}

/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
static elink_status_t elink_8073_common_init_phy(struct bxe_softc *sc,
				      uint32_t shmem_base_path[],
				      uint32_t shmem2_base_path[], uint8_t phy_index,
				      uint32_t chip_id)
{
	struct elink_phy phy[PORT_MAX];
	struct elink_phy *phy_blk[PORT_MAX];
	uint16_t val;
	int8_t port = 0;
	int8_t port_of_path = 0;
	uint32_t swap_val, swap_override;
	swap_val = REG_RD(sc,  NIG_REG_PORT_SWAP);
	swap_override = REG_RD(sc,  NIG_REG_STRAP_OVERRIDE);
	port ^= (swap_val && swap_override);
	elink_ext_phy_hw_reset(sc, port);
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		uint32_t shmem_base, shmem2_base;
		/* In E2, same phy is using for port0 of the two paths */
		if (CHIP_IS_E1x(sc)) {
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
		}

		/* Extract the ext phy address for the port */
		if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
				       port_of_path, &phy[port]) !=
		    ELINK_STATUS_OK) {
			ELINK_DEBUG_P0(sc, "populate_phy failed\n");
			return ELINK_STATUS_ERROR;
		}
		/* Disable attentions */
		elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
			       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
				ELINK_NIG_MASK_XGXS0_LINK10G |
				ELINK_NIG_MASK_SERDES0_LINK_STATUS |
				ELINK_NIG_MASK_MI_INT));

		/* Need to take the phy out of low power mode in order
		 * to write to access its registers
		 */
		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);

		/* Reset the phy */
		elink_cl45_write(sc, &phy[port],
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
	}

	/* Add delay of 150ms after reset */
	DELAY(1000 * 150);

	if (phy[PORT_0].addr & 0x1) {
		phy_blk[PORT_0] = &(phy[PORT_1]);
		phy_blk[PORT_1] = &(phy[PORT_0]);
	} else {
		phy_blk[PORT_0] = &(phy[PORT_0]);
		phy_blk[PORT_1] = &(phy[PORT_1]);
	}

	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		if (CHIP_IS_E1x(sc))
			port_of_path = port;
		else
			port_of_path = 0;

		ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
		if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
						      port_of_path))
			return ELINK_STATUS_ERROR;

		/* Only set bit 10 = 1 (Tx power down) */
		elink_cl45_read(sc, phy_blk[port],
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);

		/* Phase1 of TX_POWER_DOWN reset */
		elink_cl45_write(sc, phy_blk[port],
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
	}

	/* Toggle Transmitter: Power down and then up with 600ms delay
	 * between
	 */
	DELAY(1000 * 600);

	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		/* Phase2 of POWER_DOWN_RESET */
		/* Release bit 10 (Release Tx power down) */
		elink_cl45_read(sc, phy_blk[port],
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);

		elink_cl45_write(sc, phy_blk[port],
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
		DELAY(1000 * 15);

		/* Read modify write the SPI-ROM version select register */
		elink_cl45_read(sc, phy_blk[port],
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
		elink_cl45_write(sc, phy_blk[port],
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));

		/* set GPIO2 back to LOW */
		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
	}
	return ELINK_STATUS_OK;
}
static elink_status_t elink_8726_common_init_phy(struct bxe_softc *sc,
				      uint32_t shmem_base_path[],
				      uint32_t shmem2_base_path[], uint8_t phy_index,
				      uint32_t chip_id)
{
	uint32_t val;
	int8_t port;
	struct elink_phy phy;
	/* Use port1 because of the static port-swap */
	/* Enable the module detection interrupt */
	val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
	val |= ((1<<MISC_REGISTERS_GPIO_3)|
		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
	REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);

	elink_ext_phy_hw_reset(sc, 0);
	DELAY(1000 * 5);
	for (port = 0; port < PORT_MAX; port++) {
		uint32_t shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
		if (CHIP_IS_E1x(sc)) {
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
		}
		/* Extract the ext phy address for the port */
		if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
				       port, &phy) !=
		    ELINK_STATUS_OK) {
			ELINK_DEBUG_P0(sc, "populate phy failed\n");
			return ELINK_STATUS_ERROR;
		}

		/* Reset phy*/
		elink_cl45_write(sc, &phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);


		/* Set fault module detected LED on */
		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_0,
			       MISC_REGISTERS_GPIO_HIGH,
			       port);
	}

	return ELINK_STATUS_OK;
}
static void elink_get_ext_phy_reset_gpio(struct bxe_softc *sc, uint32_t shmem_base,
					 uint8_t *io_gpio, uint8_t *io_port)
{

	uint32_t phy_gpio_reset = REG_RD(sc, shmem_base +
					  offsetof(struct shmem_region,
				dev_info.port_hw_config[PORT_0].default_cfg));
	switch (phy_gpio_reset) {
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
		*io_gpio = 0;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
		*io_gpio = 1;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
		*io_gpio = 2;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
		*io_gpio = 3;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
		*io_gpio = 0;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
		*io_gpio = 1;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
		*io_gpio = 2;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
		*io_gpio = 3;
		*io_port = 1;
		break;
	default:
		/* Don't override the io_gpio and io_port */
		break;
	}
}

static elink_status_t elink_8727_common_init_phy(struct bxe_softc *sc,
				      uint32_t shmem_base_path[],
				      uint32_t shmem2_base_path[], uint8_t phy_index,
				      uint32_t chip_id)
{
	int8_t port, reset_gpio;
	uint32_t swap_val, swap_override;
	struct elink_phy phy[PORT_MAX];
	struct elink_phy *phy_blk[PORT_MAX];
	int8_t port_of_path;
	swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);

	reset_gpio = MISC_REGISTERS_GPIO_1;
	port = 1;

	/* Retrieve the reset gpio/port which control the reset.
	 * Default is GPIO1, PORT1
	 */
	elink_get_ext_phy_reset_gpio(sc, shmem_base_path[0],
				     (uint8_t *)&reset_gpio, (uint8_t *)&port);

	/* Calculate the port based on port swap */
	port ^= (swap_val && swap_override);

	/* Initiate PHY reset*/
	elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       port);
	DELAY(1000 * 1);
	elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
		       port);

	DELAY(1000 * 5);

	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		uint32_t shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
		if (CHIP_IS_E1x(sc)) {
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
		}

		/* Extract the ext phy address for the port */
		if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
				       port_of_path, &phy[port]) !=
				       ELINK_STATUS_OK) {
			ELINK_DEBUG_P0(sc, "populate phy failed\n");
			return ELINK_STATUS_ERROR;
		}
		/* disable attentions */
		elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
			       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
				ELINK_NIG_MASK_XGXS0_LINK10G |
				ELINK_NIG_MASK_SERDES0_LINK_STATUS |
				ELINK_NIG_MASK_MI_INT));


		/* Reset the phy */
		elink_cl45_write(sc, &phy[port],
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	}

	/* Add delay of 150ms after reset */
	DELAY(1000 * 150);
	if (phy[PORT_0].addr & 0x1) {
		phy_blk[PORT_0] = &(phy[PORT_1]);
		phy_blk[PORT_1] = &(phy[PORT_0]);
	} else {
		phy_blk[PORT_0] = &(phy[PORT_0]);
		phy_blk[PORT_1] = &(phy[PORT_1]);
	}
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		if (CHIP_IS_E1x(sc))
			port_of_path = port;
		else
			port_of_path = 0;
		ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
		if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
						      port_of_path))
			return ELINK_STATUS_ERROR;
		/* Disable PHY transmitter output */
		elink_cl45_write(sc, phy_blk[port],
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_DISABLE, 1);

	}
	return ELINK_STATUS_OK;
}

static elink_status_t elink_84833_common_init_phy(struct bxe_softc *sc,
						uint32_t shmem_base_path[],
						uint32_t shmem2_base_path[],
						uint8_t phy_index,
						uint32_t chip_id)
{
	uint8_t reset_gpios;
	reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path, chip_id);
	elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
	DELAY(10);
	elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
	ELINK_DEBUG_P1(sc, "84833 reset pulse on pin values 0x%x\n",
		reset_gpios);
	return ELINK_STATUS_OK;
}
static elink_status_t elink_ext_phy_common_init(struct bxe_softc *sc, uint32_t shmem_base_path[],
				     uint32_t shmem2_base_path[], uint8_t phy_index,
				     uint32_t ext_phy_type, uint32_t chip_id)
{
	elink_status_t rc = ELINK_STATUS_OK;

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
		rc = elink_8073_common_init_phy(sc, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
		rc = elink_8727_common_init_phy(sc, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
		break;

	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		/* GPIO1 affects both ports, so there's need to pull
		 * it for single port alone
		 */
		rc = elink_8726_common_init_phy(sc, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
		/* GPIO3's are linked, and so both need to be toggled
		 * to obtain required 2us pulse.
		 */
		rc = elink_84833_common_init_phy(sc, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = ELINK_STATUS_ERROR;
		break;
	default:
		ELINK_DEBUG_P1(sc,
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
		break;
	}

	if (rc != ELINK_STATUS_OK)
		elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, 0); // "Warning: PHY was not initialized,"
				     // " Port %d\n",

	return rc;
}

elink_status_t elink_common_init_phy(struct bxe_softc *sc, uint32_t shmem_base_path[],
			  uint32_t shmem2_base_path[], uint32_t chip_id,
			  uint8_t one_port_enabled)
{
	elink_status_t rc = ELINK_STATUS_OK;
	uint32_t phy_ver, val;
	uint8_t phy_index = 0;
	uint32_t ext_phy_type, ext_phy_config;
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
	if (CHIP_REV_IS_EMUL(sc) || CHIP_REV_IS_FPGA(sc))
		return ELINK_STATUS_OK;
#endif

	elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC0);
	elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC1);
	ELINK_DEBUG_P0(sc, "Begin common phy init\n");
	if (CHIP_IS_E3(sc)) {
		/* Enable EPIO */
		val = REG_RD(sc, MISC_REG_GEN_PURP_HWG);
		REG_WR(sc, MISC_REG_GEN_PURP_HWG, val | 1);
	}
	/* Check if common init was already done */
	phy_ver = REG_RD(sc, shmem_base_path[0] +
			 offsetof(struct shmem_region,
				  port_mb[PORT_0].ext_phy_fw_version));
	if (phy_ver) {
		ELINK_DEBUG_P1(sc, "Not doing common init; phy ver is 0x%x\n",
			       phy_ver);
		return ELINK_STATUS_OK;
	}

	/* Read the ext_phy_type for arbitrary port(0) */
	for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
	      phy_index++) {
		ext_phy_config = elink_get_ext_phy_config(sc,
							  shmem_base_path[0],
							  phy_index, 0);
		ext_phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
		rc |= elink_ext_phy_common_init(sc, shmem_base_path,
						shmem2_base_path,
						phy_index, ext_phy_type,
						chip_id);
	}
	return rc;
}

static void elink_check_over_curr(struct elink_params *params,
				  struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint32_t cfg_pin;
	uint8_t port = params->port;
	uint32_t pin_val;

	cfg_pin = (REG_RD(sc, params->shmem_base +
			  offsetof(struct shmem_region,
			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;

	/* Ignore check if no external input PIN available */
	if (elink_get_cfg_pin(sc, cfg_pin, &pin_val) != ELINK_STATUS_OK)
		return;

	if (!pin_val) {
		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
			elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT, params->port); //"Error:  Power fault on Port %d has"
					  //  " been detected and the power to "
					  //  "that SFP+ module has been removed"
					  //  " to prevent failure of the card."
					  //  " Please remove the SFP+ module and"
					  //  " restart the system to clear this"
					  //  " error.\n",
			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
			elink_warpcore_power_module(params, 0);
		}
	} else
		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
}

/* Returns 0 if no change occurred since last check; 1 otherwise. */
static uint8_t elink_analyze_link_error(struct elink_params *params,
				    struct elink_vars *vars, uint32_t status,
				    uint32_t phy_flag, uint32_t link_flag, uint8_t notify)
{
	struct bxe_softc *sc = params->sc;
	/* Compare new value with previous value */
	uint8_t led_mode;
	uint32_t old_status = (vars->phy_flags & phy_flag) ? 1 : 0;

	if ((status ^ old_status) == 0)
		return 0;

	/* If values differ */
	switch (phy_flag) {
	case PHY_HALF_OPEN_CONN_FLAG:
		ELINK_DEBUG_P0(sc, "Analyze Remote Fault\n");
		break;
	case PHY_SFP_TX_FAULT_FLAG:
		ELINK_DEBUG_P0(sc, "Analyze TX Fault\n");
		break;
	default:
		ELINK_DEBUG_P0(sc, "Analyze UNKNOWN\n");
	}
	ELINK_DEBUG_P3(sc, "Link changed:[%x %x]->%x\n", vars->link_up,
	   old_status, status);

	/* Do not touch the link in case physical link down */
	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
		return 1;

	/* a. Update shmem->link_status accordingly
	 * b. Update elink_vars->link_up
	 */
	if (status) {
		vars->link_status &= ~LINK_STATUS_LINK_UP;
		vars->link_status |= link_flag;
		vars->link_up = 0;
		vars->phy_flags |= phy_flag;

		/* activate nig drain */
		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
		/* Set LED mode to off since the PHY doesn't know about these
		 * errors
		 */
		led_mode = ELINK_LED_MODE_OFF;
	} else {
		vars->link_status |= LINK_STATUS_LINK_UP;
		vars->link_status &= ~link_flag;
		vars->link_up = 1;
		vars->phy_flags &= ~phy_flag;
		led_mode = ELINK_LED_MODE_OPER;

		/* Clear nig drain */
		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
	}
	elink_sync_link(params, vars);
	/* Update the LED according to the link state */
	elink_set_led(params, vars, led_mode, ELINK_SPEED_10000);

	/* Update link status in the shared memory */
	elink_update_mng(params, vars->link_status);

	/* C. Trigger General Attention */
	vars->periodic_flags |= ELINK_PERIODIC_FLAGS_LINK_EVENT;
	if (notify)
		elink_cb_notify_link_changed(sc);

	return 1;
}

/******************************************************************************
* Description:
*	This function checks for half opened connection change indication.
*	When such change occurs, it calls the elink_analyze_link_error
*	to check if Remote Fault is set or cleared. Reception of remote fault
*	status message in the MAC indicates that the peer's MAC has detected
*	a fault, for example, due to break in the TX side of fiber.
*
******************************************************************************/
static
elink_status_t elink_check_half_open_conn(struct elink_params *params,
				struct elink_vars *vars,
				uint8_t notify)
{
	struct bxe_softc *sc = params->sc;
	uint32_t lss_status = 0;
	uint32_t mac_base;
	/* In case link status is physically up @ 10G do */
	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
	    (REG_RD(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
		return ELINK_STATUS_OK;

	if (CHIP_IS_E3(sc) &&
	    (REG_RD(sc, MISC_REG_RESET_REG_2) &
	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
		/* Check E3 XMAC */
		/* Note that link speed cannot be queried here, since it may be
		 * zero while link is down. In case UMAC is active, LSS will
		 * simply not be set
		 */
		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;

		/* Clear stick bits (Requires rising edge) */
		REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
		REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
		if (REG_RD(sc, mac_base + XMAC_REG_RX_LSS_STATUS))
			lss_status = 1;

		elink_analyze_link_error(params, vars, lss_status,
					 PHY_HALF_OPEN_CONN_FLAG,
					 LINK_STATUS_NONE, notify);
	} else if (REG_RD(sc, MISC_REG_RESET_REG_2) &
		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
		/* Check E1X / E2 BMAC */
		uint32_t lss_status_reg;
		uint32_t wb_data[2];
		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
			NIG_REG_INGRESS_BMAC0_MEM;
		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
		if (CHIP_IS_E2(sc))
			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
		else
			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;

		REG_RD_DMAE(sc, mac_base + lss_status_reg, wb_data, 2);
		lss_status = (wb_data[0] > 0);

		elink_analyze_link_error(params, vars, lss_status,
					 PHY_HALF_OPEN_CONN_FLAG,
					 LINK_STATUS_NONE, notify);
	}
	return ELINK_STATUS_OK;
}
static void elink_sfp_tx_fault_detection(struct elink_phy *phy,
					 struct elink_params *params,
					 struct elink_vars *vars)
{
	struct bxe_softc *sc = params->sc;
	uint32_t cfg_pin, value = 0;
	uint8_t led_change, port = params->port;

	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
	cfg_pin = (REG_RD(sc, params->shmem_base + offsetof(struct shmem_region,
			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;

	if (elink_get_cfg_pin(sc, cfg_pin, &value)) {
		ELINK_DEBUG_P1(sc, "Failed to read pin 0x%02x\n", cfg_pin);
		return;
	}

	led_change = elink_analyze_link_error(params, vars, value,
					      PHY_SFP_TX_FAULT_FLAG,
					      LINK_STATUS_SFP_TX_FAULT, 1);

	if (led_change) {
		/* Change TX_Fault led, set link status for further syncs */
		uint8_t led_mode;

		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
			led_mode = MISC_REGISTERS_GPIO_HIGH;
			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
		} else {
			led_mode = MISC_REGISTERS_GPIO_LOW;
			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
		}

		/* If module is unapproved, led should be on regardless */
		if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
			ELINK_DEBUG_P1(sc, "Change TX_Fault LED: ->%x\n",
			   led_mode);
			elink_set_e3_module_fault_led(params, led_mode);
		}
	}
}
static void elink_kr2_recovery(struct elink_params *params,
			       struct elink_vars *vars,
			       struct elink_phy *phy)
{
	struct bxe_softc *sc = params->sc;
	ELINK_DEBUG_P0(sc, "KR2 recovery\n");
	elink_warpcore_enable_AN_KR2(phy, params, vars);
	elink_warpcore_restart_AN_KR(phy, params);
}

static void elink_check_kr2_wa(struct elink_params *params,
			       struct elink_vars *vars,
			       struct elink_phy *phy)
{
	struct bxe_softc *sc = params->sc;
	uint16_t base_page, next_page, not_kr2_device, lane;
	int sigdet;

	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
	 * Since some switches tend to reinit the AN process and clear the
	 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
	 * and recovered many times
	 */
	if (vars->check_kr2_recovery_cnt > 0) {
		vars->check_kr2_recovery_cnt--;
		return;
	}

	sigdet = elink_warpcore_get_sigdet(phy, params);
	if (!sigdet) {
		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
			elink_kr2_recovery(params, vars, phy);
			ELINK_DEBUG_P0(sc, "No sigdet\n");
		}
		return;
	}

	lane = elink_get_warpcore_lane(phy, params);
	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, lane);
	elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
	elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
	elink_set_aer_mmd(params, phy);

	/* CL73 has not begun yet */
	if (base_page == 0) {
		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
			elink_kr2_recovery(params, vars, phy);
			ELINK_DEBUG_P0(sc, "No BP\n");
		}
		return;
	}

	/* In case NP bit is not set in the BasePage, or it is set,
	 * but only KX is advertised, declare this link partner as non-KR2
	 * device.
	 */
	not_kr2_device = (((base_page & 0x8000) == 0) ||
			  (((base_page & 0x8000) &&
			    ((next_page & 0xe0) == 0x20))));

	/* In case KR2 is already disabled, check if we need to re-enable it */
	if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
		if (!not_kr2_device) {
			ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x\n", base_page,
			   next_page);
			elink_kr2_recovery(params, vars, phy);
		}
		return;
	}
	/* KR2 is enabled, but not KR2 device */
	if (not_kr2_device) {
		/* Disable KR2 on both lanes */
		ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x\n", base_page, next_page);
		elink_disable_kr2(params, vars, phy);
		/* Restart AN on leading lane */
		elink_warpcore_restart_AN_KR(phy, params);
		return;
	}
}

void elink_period_func(struct elink_params *params, struct elink_vars *vars)
{
	uint16_t phy_idx;
	struct bxe_softc *sc = params->sc;
	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
			elink_set_aer_mmd(params, &params->phy[phy_idx]);
			if (elink_check_half_open_conn(params, vars, 1) !=
			    ELINK_STATUS_OK)
				ELINK_DEBUG_P0(sc, "Fault detection failed\n");
			break;
		}
	}

	if (CHIP_IS_E3(sc)) {
		struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
		elink_set_aer_mmd(params, phy);
		if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
		     (phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
		    (phy->req_line_speed == ELINK_SPEED_20000))
			elink_check_kr2_wa(params, vars, phy);
		elink_check_over_curr(params, vars);
		if (vars->rx_tx_asic_rst)
			elink_warpcore_config_runtime(phy, params, vars);

		if ((REG_RD(sc, params->shmem_base +
			    offsetof(struct shmem_region, dev_info.
				port_hw_config[params->port].default_cfg))
		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
			if (elink_is_sfp_module_plugged(phy, params)) {
				elink_sfp_tx_fault_detection(phy, params, vars);
			} else if (vars->link_status &
				LINK_STATUS_SFP_TX_FAULT) {
				/* Clean trail, interrupt corrects the leds */
				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
				/* Update link status in the shared memory */
				elink_update_mng(params, vars->link_status);
			}
		}
	}
}

uint8_t elink_fan_failure_det_req(struct bxe_softc *sc,
			     uint32_t shmem_base,
			     uint32_t shmem2_base,
			     uint8_t port)
{
	uint8_t phy_index, fan_failure_det_req = 0;
	struct elink_phy phy;
	for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
	      phy_index++) {
		if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
				       port, &phy)
		    != ELINK_STATUS_OK) {
			ELINK_DEBUG_P0(sc, "populate phy failed\n");
			return 0;
		}
		fan_failure_det_req |= (phy.flags &
					ELINK_FLAGS_FAN_FAILURE_DET_REQ);
	}
	return fan_failure_det_req;
}

void elink_hw_reset_phy(struct elink_params *params)
{
	uint8_t phy_index;
	struct bxe_softc *sc = params->sc;
	elink_update_mng(params, 0);
	elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
			ELINK_NIG_MASK_XGXS0_LINK10G |
			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
			ELINK_NIG_MASK_MI_INT));

	for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
	      phy_index++) {
		if (params->phy[phy_index].hw_reset) {
			params->phy[phy_index].hw_reset(
				&params->phy[phy_index],
				params);
			params->phy[phy_index] = phy_null;
		}
	}
}

void elink_init_mod_abs_int(struct bxe_softc *sc, struct elink_vars *vars,
			    uint32_t chip_id, uint32_t shmem_base, uint32_t shmem2_base,
			    uint8_t port)
{
	uint8_t gpio_num = 0xff, gpio_port = 0xff, phy_index;
	uint32_t val;
	uint32_t offset, aeu_mask, swap_val, swap_override, sync_offset;
	if (CHIP_IS_E3(sc)) {
		if (elink_get_mod_abs_int_cfg(sc, chip_id,
					      shmem_base,
					      port,
					      &gpio_num,
					      &gpio_port) != ELINK_STATUS_OK)
			return;
	} else {
		struct elink_phy phy;
		for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
		      phy_index++) {
			if (elink_populate_phy(sc, phy_index, shmem_base,
					       shmem2_base, port, &phy)
			    != ELINK_STATUS_OK) {
				ELINK_DEBUG_P0(sc, "populate phy failed\n");
				return;
			}
			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
				gpio_num = MISC_REGISTERS_GPIO_3;
				gpio_port = port;
				break;
			}
		}
	}

	if (gpio_num == 0xff)
		return;

	/* Set GPIO3 to trigger SFP+ module insertion/removal */
	elink_cb_gpio_write(sc, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);

	swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
	gpio_port ^= (swap_val && swap_override);

	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
		(gpio_num + (gpio_port << 2));

	sync_offset = shmem_base +
		offsetof(struct shmem_region,
			 dev_info.port_hw_config[port].aeu_int_mask);
	REG_WR(sc, sync_offset, vars->aeu_int_mask);

	ELINK_DEBUG_P3(sc, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
		       gpio_num, gpio_port, vars->aeu_int_mask);

	if (port == 0)
		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
	else
		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;

	/* Open appropriate AEU for interrupts */
	aeu_mask = REG_RD(sc, offset);
	aeu_mask |= vars->aeu_int_mask;
	REG_WR(sc, offset, aeu_mask);

	/* Enable the GPIO to trigger interrupt */
	val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
	val |= 1 << (gpio_num + (gpio_port << 2));
	REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
}