bnx2x_link.c 204.8 KB
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/* Copyright 2008-2009 Broadcom Corporation
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 *
 * Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2, available
 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
 *
 * Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a
 * license other than the GPL, without Broadcom's express prior written
 * consent.
 *
 * Written by Yaniv Rosner
 *
 */

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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

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#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/mutex.h>

#include "bnx2x.h"

/********************************************************/
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#define ETH_HLEN			14
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#define ETH_OVREHEAD		(ETH_HLEN + 8)/* 8 for CRC + VLAN*/
#define ETH_MIN_PACKET_SIZE		60
#define ETH_MAX_PACKET_SIZE		1500
#define ETH_MAX_JUMBO_PACKET_SIZE	9600
#define MDIO_ACCESS_TIMEOUT		1000
#define BMAC_CONTROL_RX_ENABLE	2

/***********************************************************/
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/*			Shortcut definitions		   */
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/***********************************************************/

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#define NIG_LATCH_BC_ENABLE_MI_INT 0

#define NIG_STATUS_EMAC0_MI_INT \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
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#define NIG_STATUS_XGXS0_LINK10G \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
#define NIG_STATUS_XGXS0_LINK_STATUS \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
#define NIG_STATUS_SERDES0_LINK_STATUS \
		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
#define NIG_MASK_MI_INT \
		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
#define NIG_MASK_XGXS0_LINK10G \
		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
#define NIG_MASK_XGXS0_LINK_STATUS \
		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
#define NIG_MASK_SERDES0_LINK_STATUS \
		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS

#define 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 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 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 AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
#define AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
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#define AUTONEG_BAM 		SHARED_HW_CFG_AN_ENABLE_BAM
#define AUTONEG_PARALLEL \
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				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
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#define AUTONEG_SGMII_FIBER_AUTODET \
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				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
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#define AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
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#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
#define GP_STATUS_SPEED_MASK \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
#define GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
#define GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
#define GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
#define GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
#define GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
#define GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
#define GP_STATUS_10G_HIG \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
#define GP_STATUS_10G_CX4 \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
#define GP_STATUS_12G_HIG \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
#define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
#define GP_STATUS_13G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
#define GP_STATUS_15G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
#define GP_STATUS_16G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
#define GP_STATUS_10G_KX4 \
			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4

#define LINK_10THD			LINK_STATUS_SPEED_AND_DUPLEX_10THD
#define LINK_10TFD			LINK_STATUS_SPEED_AND_DUPLEX_10TFD
#define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
#define LINK_100T4			LINK_STATUS_SPEED_AND_DUPLEX_100T4
#define LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
#define LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
#define LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
#define LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
#define LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
#define LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
#define LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
#define LINK_10GTFD			LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
#define LINK_10GXFD			LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
#define LINK_12GTFD			LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
#define LINK_12GXFD			LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
#define LINK_12_5GTFD		LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
#define LINK_12_5GXFD		LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
#define LINK_13GTFD			LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
#define LINK_13GXFD			LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
#define LINK_15GTFD			LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
#define LINK_15GXFD			LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
#define LINK_16GTFD			LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
#define LINK_16GXFD			LINK_STATUS_SPEED_AND_DUPLEX_16GXFD

#define PHY_XGXS_FLAG			0x1
#define PHY_SGMII_FLAG			0x2
#define PHY_SERDES_FLAG			0x4

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/* */
#define SFP_EEPROM_CON_TYPE_ADDR		0x2
	#define SFP_EEPROM_CON_TYPE_VAL_LC 		0x7
	#define SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21

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#define SFP_EEPROM_COMP_CODE_ADDR		0x3
	#define SFP_EEPROM_COMP_CODE_SR_MASK	(1<<4)
	#define SFP_EEPROM_COMP_CODE_LR_MASK	(1<<5)
	#define SFP_EEPROM_COMP_CODE_LRM_MASK	(1<<6)

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#define SFP_EEPROM_FC_TX_TECH_ADDR		0x8
	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE	 0x8
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#define SFP_EEPROM_OPTIONS_ADDR 		0x40
	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
#define SFP_EEPROM_OPTIONS_SIZE 		2

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#define EDC_MODE_LINEAR	 			0x0022
#define EDC_MODE_LIMITING	 			0x0044
#define EDC_MODE_PASSIVE_DAC 			0x0055


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/**********************************************************/
/*                     INTERFACE                          */
/**********************************************************/
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#define CL45_WR_OVER_CL22(_bp, _phy, _bank, _addr, _val) \
	bnx2x_cl45_write(_bp, _phy, \
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		(_phy)->def_md_devad, \
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		(_bank + (_addr & 0xf)), \
		_val)

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#define CL45_RD_OVER_CL22(_bp, _phy, _bank, _addr, _val) \
	bnx2x_cl45_read(_bp, _phy, \
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		(_phy)->def_md_devad, \
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		(_bank + (_addr & 0xf)), \
		_val)

static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
{
	u32 val = REG_RD(bp, reg);

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

static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
{
	u32 val = REG_RD(bp, reg);

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

static void bnx2x_emac_init(struct link_params *params,
			   struct link_vars *vars)
{
	/* reset and unreset the emac core */
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	u32 val;
	u16 timeout;

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		   (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
	udelay(5);
	REG_WR(bp, 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(bp, emac_base + EMAC_REG_EMAC_MODE);
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	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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	timeout = 200;
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	do {
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		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
		DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
		if (!timeout) {
			DP(NETIF_MSG_LINK, "EMAC timeout!\n");
			return;
		}
		timeout--;
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	} while (val & EMAC_MODE_RESET);
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	/* Set mac address */
	val = ((params->mac_addr[0] << 8) |
		params->mac_addr[1]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
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	val = ((params->mac_addr[2] << 24) |
	       (params->mac_addr[3] << 16) |
	       (params->mac_addr[4] << 8) |
		params->mac_addr[5]);
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	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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}

static u8 bnx2x_emac_enable(struct link_params *params,
			  struct link_vars *vars, u8 lb)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	u32 val;

	DP(NETIF_MSG_LINK, "enabling EMAC\n");

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

	/* for paladium */
	if (CHIP_REV_IS_EMUL(bp)) {
		/* Use lane 1 (of lanes 0-3) */
		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
			    port*4, 1);
	}
	/* for fpga */
	else

	if (CHIP_REV_IS_FPGA(bp)) {
		/* Use lane 1 (of lanes 0-3) */
		DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n");

		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4,
			    0);
	} else
	/* ASIC */
	if (vars->phy_flags & PHY_XGXS_FLAG) {
		u32 ser_lane = ((params->lane_config &
			    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
			    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

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

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

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	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
		    EMAC_RX_MODE_RESET);
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
		    EMAC_TX_MODE_RESET);
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	if (CHIP_REV_IS_SLOW(bp)) {
		/* config GMII mode */
		val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
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		EMAC_WR(bp, EMAC_REG_EMAC_MODE,
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			    (val | EMAC_MODE_PORT_GMII));
	} else { /* ASIC */
		/* pause enable/disable */
		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
			       EMAC_RX_MODE_FLOW_EN);
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		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
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			bnx2x_bits_en(bp, emac_base +
				    EMAC_REG_EMAC_RX_MODE,
				    EMAC_RX_MODE_FLOW_EN);

		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
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			     (EMAC_TX_MODE_EXT_PAUSE_EN |
			      EMAC_TX_MODE_FLOW_EN));
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		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
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			bnx2x_bits_en(bp, emac_base +
				    EMAC_REG_EMAC_TX_MODE,
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				   (EMAC_TX_MODE_EXT_PAUSE_EN |
				    EMAC_TX_MODE_FLOW_EN));
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	}

	/* KEEP_VLAN_TAG, promiscuous */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
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	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
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	/* Set Loopback */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
	if (lb)
		val |= 0x810;
	else
		val &= ~0x810;
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	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
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	/* enable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);

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	/* enable emac for jumbo packets */
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	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
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		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));

	/* strip CRC */
	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);

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

	/* enable the NIG in/out to the emac */
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
	val = 0;
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	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
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		val = 1;

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

	if (CHIP_REV_IS_EMUL(bp)) {
		/* take the BigMac out of reset */
		REG_WR(bp,
			   GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
			   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

		/* enable access for bmac registers */
		REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
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	} else
		REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
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	vars->mac_type = MAC_TYPE_EMAC;
	return 0;
}



static u8 bnx2x_bmac_enable(struct link_params *params, struct link_vars *vars,
			  u8 is_lb)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
			       NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];
	u32 val;

	DP(NETIF_MSG_LINK, "Enabling BigMAC\n");
	/* reset and unreset the BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
	msleep(1);

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

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

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

	/* tx control */
	val = 0xc0;
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	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
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		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL,
			wb_data, 2);

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

	/* set rx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE,
			wb_data, 2);

	/* rx control set to don't strip crc */
	val = 0x14;
449
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
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		val |= 0x20;
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL,
			wb_data, 2);

	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE,
			wb_data, 2);

	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE,
		    wb_data, 2);

	/* configure safc */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
		    wb_data, 2);
	/* fix for emulation */
	if (CHIP_REV_IS_EMUL(bp)) {
		wb_data[0] = 0xf000;
		wb_data[1] = 0;
		REG_WR_DMAE(bp,
			    bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
			    wb_data, 2);
	}

	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
	REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
	val = 0;
486
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
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		val = 1;
	REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);

	vars->mac_type = MAC_TYPE_BMAC;
	return 0;
}


static void bnx2x_update_mng(struct link_params *params, u32 link_status)
{
	struct bnx2x *bp = params->bp;
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	REG_WR(bp, params->shmem_base +
		   offsetof(struct shmem_region,
			    port_mb[params->port].link_status),
			link_status);
}

static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
{
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];
515
	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
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	/* Only if the bmac is out of reset */
	if (REG_RD(bp, 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(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
			    wb_data, 2);
		wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
		REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
			    wb_data, 2);

		msleep(1);
	}
}

static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
			 u32 line_speed)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 init_crd, crd;
	u32 count = 1000;

	/* disable port */
	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);

	/* wait for init credit */
	init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
	DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);

	while ((init_crd != crd) && count) {
		msleep(5);

		crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
		count--;
	}
	crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
	if (init_crd != crd) {
		DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
			  init_crd, crd);
		return -EINVAL;
	}

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	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
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	    line_speed == SPEED_10 ||
	    line_speed == SPEED_100 ||
	    line_speed == SPEED_1000 ||
	    line_speed == SPEED_2500) {
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
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		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
		/* update init credit */
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		init_crd = 778; 	/* (800-18-4) */
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	} else {
		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
			      ETH_OVREHEAD)/16;
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		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
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		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
		/* update init credit */
		switch (line_speed) {
		case SPEED_10000:
			init_crd = thresh + 553 - 22;
			break;

		case SPEED_12000:
			init_crd = thresh + 664 - 22;
			break;

		case SPEED_13000:
			init_crd = thresh + 742 - 22;
			break;

		case SPEED_16000:
			init_crd = thresh + 778 - 22;
			break;
		default:
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  line_speed);
			return -EINVAL;
		}
	}
	REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
	DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
		 line_speed, init_crd);

	/* probe the credit changes */
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
	msleep(5);
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);

	/* enable port */
	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
	return 0;
}

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static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
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{
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	u32 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(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC1;
		else
			emac_base = GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
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		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
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		break;
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	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
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		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
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		break;
	default:
		break;
	}
	return emac_base;

}

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u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
		    u8 devad, u16 reg, u16 val)
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{
	u32 tmp, saved_mode;
	u8 i, rc = 0;

	/* 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
	 */
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	saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
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	tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
			     EMAC_MDIO_MODE_CLOCK_CNT);
	tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
		(49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
	REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
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	udelay(40);

	/* address */

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	tmp = ((phy->addr << 21) | (devad << 16) | reg |
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	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
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	for (i = 0; i < 50; i++) {
		udelay(10);

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		tmp = REG_RD(bp, phy->mdio_ctrl +
				   EMAC_REG_EMAC_MDIO_COMM);
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		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);
			break;
		}
	}
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "write phy register failed\n");
		rc = -EFAULT;
	} else {
		/* data */
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		tmp = ((phy->addr << 21) | (devad << 16) | val |
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		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
		       EMAC_MDIO_COMM_START_BUSY);
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		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
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		for (i = 0; i < 50; i++) {
			udelay(10);

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			tmp = REG_RD(bp, phy->mdio_ctrl +
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					 EMAC_REG_EMAC_MDIO_COMM);
			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
				udelay(5);
				break;
			}
		}
		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "write phy register failed\n");
			rc = -EFAULT;
		}
	}

	/* Restore the saved mode */
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
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	return rc;
}

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u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
		   u8 devad, u16 reg, u16 *ret_val)
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{
	u32 val, saved_mode;
	u16 i;
	u8 rc = 0;

	/* 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
	 */
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	saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
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			     EMAC_MDIO_MODE_CLOCK_CNT));
	val |= (EMAC_MDIO_MODE_CLAUSE_45 |
731
		(49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
	REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
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	udelay(40);

	/* address */
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	val = ((phy->addr << 21) | (devad << 16) | reg |
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	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
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	for (i = 0; i < 50; i++) {
		udelay(10);

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		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
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		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
			udelay(5);
			break;
		}
	}
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");

		*ret_val = 0;
		rc = -EFAULT;

	} else {
		/* data */
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		val = ((phy->addr << 21) | (devad << 16) |
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		       EMAC_MDIO_COMM_COMMAND_READ_45 |
		       EMAC_MDIO_COMM_START_BUSY);
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		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
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		for (i = 0; i < 50; i++) {
			udelay(10);

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			val = REG_RD(bp, phy->mdio_ctrl +
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					  EMAC_REG_EMAC_MDIO_COMM);
			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
				break;
			}
		}
		if (val & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "read phy register failed\n");

			*ret_val = 0;
			rc = -EFAULT;
		}
	}

	/* Restore the saved mode */
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
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	return rc;
}

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u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		  u8 devad, u16 reg, u16 *ret_val)
{
	u8 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 bnx2x_cl45_read(params->bp,
					       &params->phy[phy_index], devad,
					       reg, ret_val);
		}
	}
	return -EINVAL;
}

u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 val)
{
	u8 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 bnx2x_cl45_write(params->bp,
						&params->phy[phy_index], devad,
						reg, val);
		}
	}
	return -EINVAL;
}

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static void bnx2x_set_aer_mmd(struct link_params *params,
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			      struct bnx2x_phy *phy)
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{
	struct bnx2x *bp = params->bp;
	u32 ser_lane;
	u16 offset;

	ser_lane = ((params->lane_config &
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

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	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
		(phy->addr + ser_lane) : 0;
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	CL45_WR_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_AER_BLOCK,
			      MDIO_AER_BLOCK_AER_REG, 0x3800 + offset);
}

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/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/
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static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
{
	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
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	/* Set Clause 22 */
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
	udelay(500);
	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
	udelay(500);
	 /* Set Clause 45 */
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
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}

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static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
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{
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	u32 val;
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	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
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	val = SERDES_RESET_BITS << (port*16);
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	/* reset and unreset the SerDes/XGXS */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
	udelay(500);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
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	bnx2x_set_serdes_access(bp, port);
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	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD +
		     port*0x10,
		     DEFAULT_PHY_DEV_ADDR);
}

static void bnx2x_xgxs_deassert(struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 port;
	u32 val;
	DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
	port = params->port;

	val = XGXS_RESET_BITS << (port*16);

	/* reset and unreset the SerDes/XGXS */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
	udelay(500);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);

	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST +
		     port*0x18, 0);
	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
		     params->phy[INT_PHY].def_md_devad);
}

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903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085
void bnx2x_link_status_update(struct link_params *params,
			    struct link_vars   *vars)
{
	struct bnx2x *bp = params->bp;
	u8 link_10g;
	u8 port = params->port;

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

	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);

	if (vars->link_up) {
		DP(NETIF_MSG_LINK, "phy link up\n");

		vars->phy_link_up = 1;
		vars->duplex = DUPLEX_FULL;
		switch (vars->link_status &
					LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
			case LINK_10THD:
				vars->duplex = DUPLEX_HALF;
				/* fall thru */
			case LINK_10TFD:
				vars->line_speed = SPEED_10;
				break;

			case LINK_100TXHD:
				vars->duplex = DUPLEX_HALF;
				/* fall thru */
			case LINK_100T4:
			case LINK_100TXFD:
				vars->line_speed = SPEED_100;
				break;

			case LINK_1000THD:
				vars->duplex = DUPLEX_HALF;
				/* fall thru */
			case LINK_1000TFD:
				vars->line_speed = SPEED_1000;
				break;

			case LINK_2500THD:
				vars->duplex = DUPLEX_HALF;
				/* fall thru */
			case LINK_2500TFD:
				vars->line_speed = SPEED_2500;
				break;

			case LINK_10GTFD:
				vars->line_speed = SPEED_10000;
				break;

			case LINK_12GTFD:
				vars->line_speed = SPEED_12000;
				break;

			case LINK_12_5GTFD:
				vars->line_speed = SPEED_12500;
				break;

			case LINK_13GTFD:
				vars->line_speed = SPEED_13000;
				break;

			case LINK_15GTFD:
				vars->line_speed = SPEED_15000;
				break;

			case LINK_16GTFD:
				vars->line_speed = SPEED_16000;
				break;

			default:
				break;
		}
		vars->flow_ctrl = 0;
		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;

		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;

		if (!vars->flow_ctrl)
			vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;

		if (vars->line_speed &&
		    ((vars->line_speed == SPEED_10) ||
		     (vars->line_speed == SPEED_100))) {
			vars->phy_flags |= PHY_SGMII_FLAG;
		} else {
			vars->phy_flags &= ~PHY_SGMII_FLAG;
		}

		/* anything 10 and over uses the bmac */
		link_10g = ((vars->line_speed == SPEED_10000) ||
			    (vars->line_speed == SPEED_12000) ||
			    (vars->line_speed == SPEED_12500) ||
			    (vars->line_speed == SPEED_13000) ||
			    (vars->line_speed == SPEED_15000) ||
			    (vars->line_speed == SPEED_16000));
		if (link_10g)
			vars->mac_type = MAC_TYPE_BMAC;
		else
			vars->mac_type = MAC_TYPE_EMAC;

	} else { /* link down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;

		vars->line_speed = 0;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;

		/* indicate no mac active */
		vars->mac_type = MAC_TYPE_NONE;
	}

	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x\n",
		 vars->link_status, vars->phy_link_up);
	DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
		 vars->line_speed, vars->duplex, vars->flow_ctrl);
}


static void bnx2x_set_master_ln(struct link_params *params,
				struct bnx2x_phy *phy)
{
	struct bnx2x *bp = params->bp;
	u16 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 */
	CL45_RD_OVER_CL22(bp, phy,
			      MDIO_REG_BANK_XGXS_BLOCK2,
			      MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			      &new_master_ln);

	CL45_WR_OVER_CL22(bp, phy,
			      MDIO_REG_BANK_XGXS_BLOCK2 ,
			      MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			      (new_master_ln | ser_lane));
}

static u8 bnx2x_reset_unicore(struct link_params *params,
			      struct bnx2x_phy *phy,
			      u8 set_serdes)
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;

	CL45_RD_OVER_CL22(bp, phy,
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);

	/* reset the unicore */
	CL45_WR_OVER_CL22(bp, phy,
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL,
			      (mii_control |
			       MDIO_COMBO_IEEO_MII_CONTROL_RESET));
	if (set_serdes)
		bnx2x_set_serdes_access(bp, params->port);

	/* wait for the reset to self clear */
	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
		udelay(5);

		/* the reset erased the previous bank value */
		CL45_RD_OVER_CL22(bp, phy,
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL,
			      &mii_control);

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
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	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

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static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
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1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110
{
	struct bnx2x *bp = params->bp;
	/* Each two bits represents a lane number:
	   No swap is 0123 => 0x1b no need to enable the swap */
	u16 ser_lane, rx_lane_swap, tx_lane_swap;

	ser_lane = ((params->lane_config &
			 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
	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) {
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		CL45_WR_OVER_CL22(bp, phy,
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				    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 {
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		CL45_WR_OVER_CL22(bp, phy,
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				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
	}

	if (tx_lane_swap != 0x1b) {
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		CL45_WR_OVER_CL22(bp, phy,
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1125 1126 1127 1128 1129
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				      (tx_lane_swap |
				       MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
	} else {
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		CL45_WR_OVER_CL22(bp, phy,
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				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
	}
}

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static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
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1138 1139 1140
{
	struct bnx2x *bp = params->bp;
	u16 control2;
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	CL45_RD_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			      &control2);
1145
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
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		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1149 1150
	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
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	CL45_WR_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			      control2);

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	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
1157
	     (phy->speed_cap_mask &
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		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
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1159 1160
		DP(NETIF_MSG_LINK, "XGXS\n");

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1161
		CL45_WR_OVER_CL22(bp, phy,
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				MDIO_REG_BANK_10G_PARALLEL_DETECT,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);

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		CL45_RD_OVER_CL22(bp, phy,
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				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;

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		CL45_WR_OVER_CL22(bp, phy,
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				MDIO_REG_BANK_10G_PARALLEL_DETECT,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				control2);

		/* Disable parallel detection of HiG */
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		CL45_WR_OVER_CL22(bp, phy,
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				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);
	}
}

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static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
1191 1192
			    struct link_vars *vars,
			    u8 enable_cl73)
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{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
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	CL45_RD_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);

	/* CL37 Autoneg Enabled */
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	if (vars->line_speed == SPEED_AUTO_NEG)
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		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);

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	CL45_WR_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);

	/* Enable/Disable Autodetection */

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	CL45_RD_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
1218 1219 1220
	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;
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1221
	if (vars->line_speed == SPEED_AUTO_NEG)
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		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
	else
		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;

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	CL45_WR_OVER_CL22(bp, phy,
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1227 1228 1229 1230
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);

	/* Enable TetonII and BAM autoneg */
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	CL45_RD_OVER_CL22(bp, phy,
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1232 1233 1234
			      MDIO_REG_BANK_BAM_NEXT_PAGE,
			      MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  &reg_val);
Y
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1235
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
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1236 1237 1238 1239 1240 1241 1242 1243
		/* 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);
	}
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1244
	CL45_WR_OVER_CL22(bp, phy,
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1245 1246 1247 1248
			      MDIO_REG_BANK_BAM_NEXT_PAGE,
			      MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			      reg_val);

1249 1250
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
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		CL45_WR_OVER_CL22(bp, phy,
1252 1253
				      MDIO_REG_BANK_CL73_USERB0,
				    MDIO_CL73_USERB0_CL73_UCTRL,
Y
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				      0xe);
1255 1256

		/* Enable BAM Station Manager*/
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1257
		CL45_WR_OVER_CL22(bp, phy,
1258 1259 1260 1261 1262 1263
			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);

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		/* Advertise CL73 link speeds */
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		CL45_RD_OVER_CL22(bp, phy,
1266 1267 1268
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV2,
					      &reg_val);
1269
		if (phy->speed_cap_mask &
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		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
1272
		if (phy->speed_cap_mask &
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		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
1275

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		CL45_WR_OVER_CL22(bp, phy,
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1277 1278 1279
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV2,
				      reg_val);
1280 1281 1282 1283 1284 1285

		/* CL73 Autoneg Enabled */
		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;

	} else /* CL73 Autoneg Disabled */
		reg_val = 0;
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1286

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1287
	CL45_WR_OVER_CL22(bp, phy,
Y
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			      MDIO_REG_BANK_CL73_IEEEB0,
			      MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
}

/* program SerDes, forced speed */
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static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
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			       struct link_vars *vars)
Y
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1296 1297 1298 1299
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

1300
	/* program duplex, disable autoneg and sgmii*/
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1301
	CL45_RD_OVER_CL22(bp, phy,
Y
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1302 1303 1304
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
1305 1306
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
1307
	if (phy->req_duplex == DUPLEX_FULL)
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1308
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
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1309
	CL45_WR_OVER_CL22(bp, phy,
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1310 1311 1312 1313 1314
			      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) */
Y
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1315
	CL45_RD_OVER_CL22(bp, phy,
Y
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1316 1317
				      MDIO_REG_BANK_SERDES_DIGITAL,
				      MDIO_SERDES_DIGITAL_MISC1, &reg_val);
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1318 1319 1320 1321 1322 1323 1324 1325 1326 1327
	/* clearing the speed value before setting the right speed */
	DP(NETIF_MSG_LINK, "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 == SPEED_1000) ||
	      (vars->line_speed == SPEED_100) ||
	      (vars->line_speed == SPEED_10))) {

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		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
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		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
1331 1332
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
1333
		if (vars->line_speed == SPEED_13000)
Y
Yaniv Rosner 已提交
1334 1335
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Y
Yaniv Rosner 已提交
1336 1337
	}

Y
Yaniv Rosner 已提交
1338
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1339 1340
				      MDIO_REG_BANK_SERDES_DIGITAL,
				      MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
1341

Y
Yaniv Rosner 已提交
1342 1343
}

Y
Yaniv Rosner 已提交
1344 1345
static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params)
Y
Yaniv Rosner 已提交
1346 1347 1348 1349 1350 1351 1352
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
1353
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
1354
		val |= MDIO_OVER_1G_UP1_2_5G;
1355
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
1356
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
1357
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1358 1359 1360
			      MDIO_REG_BANK_OVER_1G,
			      MDIO_OVER_1G_UP1, val);

Y
Yaniv Rosner 已提交
1361
	CL45_WR_OVER_CL22(bp, phy,
Y
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1362
			      MDIO_REG_BANK_OVER_1G,
1363
			      MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
1364 1365
}

Y
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1366 1367
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
Y
Yaniv Rosner 已提交
1368
{
1369
	struct bnx2x *bp = params->bp;
Y
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1370
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Y
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1371 1372 1373
	/* resolve pause mode and advertisement
	 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */

1374
	switch (phy->req_flow_ctrl) {
1375 1376
	case BNX2X_FLOW_CTRL_AUTO:
		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
Y
Yaniv Rosner 已提交
1377
			*ieee_fc |=
Y
Yaniv Rosner 已提交
1378 1379
			     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
		} else {
Y
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1380
			*ieee_fc |=
Y
Yaniv Rosner 已提交
1381 1382 1383
		       MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		}
		break;
1384
	case BNX2X_FLOW_CTRL_TX:
Y
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1385
		*ieee_fc |=
Y
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1386 1387 1388
		       MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		break;

1389 1390
	case BNX2X_FLOW_CTRL_RX:
	case BNX2X_FLOW_CTRL_BOTH:
Y
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1391
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Y
Yaniv Rosner 已提交
1392 1393
		break;

1394
	case BNX2X_FLOW_CTRL_NONE:
Y
Yaniv Rosner 已提交
1395
	default:
Y
Yaniv Rosner 已提交
1396
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Y
Yaniv Rosner 已提交
1397 1398
		break;
	}
1399
	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
Y
Yaniv Rosner 已提交
1400
}
Y
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1401

Y
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1402 1403
static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params,
1404
					   u16 ieee_fc)
Y
Yaniv Rosner 已提交
1405 1406
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
1407
	u16 val;
Y
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1408
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
1409

Y
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1410
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1411
			      MDIO_REG_BANK_COMBO_IEEE0,
1412
			      MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
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1413
	CL45_RD_OVER_CL22(bp, phy,
Y
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1414 1415 1416 1417
			      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);
Y
Yaniv Rosner 已提交
1418
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1419 1420
			      MDIO_REG_BANK_CL73_IEEEB1,
			      MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
1421 1422
}

Y
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1423 1424 1425
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
1426 1427
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
1428
	u16 mii_control;
1429

Y
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1430
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
1431
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
1432

1433
	if (enable_cl73) {
Y
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1434
		CL45_RD_OVER_CL22(bp, phy,
1435 1436 1437 1438
				      MDIO_REG_BANK_CL73_IEEEB0,
				      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				      &mii_control);

Y
Yaniv Rosner 已提交
1439
		CL45_WR_OVER_CL22(bp, phy,
1440 1441 1442 1443 1444 1445 1446
				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 {

Y
Yaniv Rosner 已提交
1447
		CL45_RD_OVER_CL22(bp, phy,
1448 1449 1450 1451 1452 1453
				      MDIO_REG_BANK_COMBO_IEEE0,
				      MDIO_COMBO_IEEE0_MII_CONTROL,
				      &mii_control);
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
1454
		CL45_WR_OVER_CL22(bp, phy,
1455 1456 1457 1458 1459 1460
				      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));
	}
Y
Yaniv Rosner 已提交
1461 1462
}

Y
Yaniv Rosner 已提交
1463 1464
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
1465
					 struct link_vars *vars)
Y
Yaniv Rosner 已提交
1466 1467 1468 1469 1470 1471
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
1472
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1473 1474 1475 1476 1477 1478 1479 1480
			      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);
Y
Yaniv Rosner 已提交
1481
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1482 1483 1484 1485 1486
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			      control1);

	/* if forced speed */
Y
Yaniv Rosner 已提交
1487
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
1488 1489 1490
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
1491
		CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1492 1493 1494 1495 1496 1497 1498
				      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);

Y
Yaniv Rosner 已提交
1499
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512
		case SPEED_100:
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
			break;
		case SPEED_1000:
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
			break;
		case SPEED_10:
			/* there is nothing to set for 10M */
			break;
		default:
			/* invalid speed for SGMII */
Y
Yaniv Rosner 已提交
1513 1514
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
1515 1516 1517 1518
			break;
		}

		/* setting the full duplex */
1519
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
1520 1521
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
1522
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1523 1524 1525 1526 1527 1528
				      MDIO_REG_BANK_COMBO_IEEE0,
				      MDIO_COMBO_IEEE0_MII_CONTROL,
				      mii_control);

	} else { /* AN mode */
		/* enable and restart AN */
Y
Yaniv Rosner 已提交
1529
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
1530 1531 1532 1533 1534 1535 1536 1537 1538
	}
}


/*
 * link management
 */

static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Y
Yaniv Rosner 已提交
1539 1540 1541
{						/*  LD	    LP	 */
	switch (pause_result) { 		/* ASYM P ASYM P */
	case 0xb:       			/*   1  0   1  1 */
1542
		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Y
Yaniv Rosner 已提交
1543 1544
		break;

Y
Yaniv Rosner 已提交
1545
	case 0xe:       			/*   1  1   1  0 */
1546
		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Y
Yaniv Rosner 已提交
1547 1548
		break;

Y
Yaniv Rosner 已提交
1549 1550 1551 1552
	case 0x5:       			/*   0  1   0  1 */
	case 0x7:       			/*   0  1   1  1 */
	case 0xd:       			/*   1  1   0  1 */
	case 0xf:       			/*   1  1   1  1 */
1553
		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Y
Yaniv Rosner 已提交
1554 1555 1556 1557 1558
		break;

	default:
		break;
	}
1559 1560 1561 1562
	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;
Y
Yaniv Rosner 已提交
1563 1564
}

Y
Yaniv Rosner 已提交
1565 1566
static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					    struct link_params *params)
1567 1568 1569
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
1570 1571
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
1572
	CL45_RD_OVER_CL22(bp, phy,
1573 1574 1575
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			      &status2_1000x);
Y
Yaniv Rosner 已提交
1576
	CL45_RD_OVER_CL22(bp, phy,
1577 1578 1579 1580 1581 1582 1583 1584 1585
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			      &status2_1000x);
	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
			 params->port);
		return 1;
	}

Y
Yaniv Rosner 已提交
1586
	CL45_RD_OVER_CL22(bp, phy,
1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597
			      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) {
		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
			 params->port);
		return 1;
	}
	return 0;
}
Y
Yaniv Rosner 已提交
1598

Y
Yaniv Rosner 已提交
1599 1600 1601 1602
static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars,
				    u32 gp_status)
Y
Yaniv Rosner 已提交
1603 1604
{
	struct bnx2x *bp = params->bp;
1605 1606
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
Y
Yaniv Rosner 已提交
1607 1608
	u16 pause_result;

1609
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
1610 1611

	/* resolve from gp_status in case of AN complete and not sgmii */
1612 1613 1614 1615 1616 1617
	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
		vars->flow_ctrl = phy->req_flow_ctrl;
	else if (phy->req_line_speed != SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Y
Yaniv Rosner 已提交
1618
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
1619 1620 1621
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
Y
Yaniv Rosner 已提交
1622 1623 1624 1625 1626 1627
		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)) {

Y
Yaniv Rosner 已提交
1628
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1629 1630 1631
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV1,
					      &ld_pause);
Y
Yaniv Rosner 已提交
1632
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644
					     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;
			DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
				 pause_result);
		} else {
Y
Yaniv Rosner 已提交
1645
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1646 1647 1648
					      MDIO_REG_BANK_COMBO_IEEE0,
					      MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
					      &ld_pause);
Y
Yaniv Rosner 已提交
1649
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1650 1651 1652 1653
			       MDIO_REG_BANK_COMBO_IEEE0,
			       MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
			       &lp_pause);
			pause_result = (ld_pause &
Y
Yaniv Rosner 已提交
1654
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Y
Yaniv Rosner 已提交
1655
			pause_result |= (lp_pause &
Y
Yaniv Rosner 已提交
1656
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Y
Yaniv Rosner 已提交
1657 1658 1659
			DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
				 pause_result);
		}
Y
Yaniv Rosner 已提交
1660 1661 1662 1663 1664
		bnx2x_pause_resolve(vars, pause_result);
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
1665 1666
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
1667 1668 1669 1670 1671
{
	struct bnx2x *bp = params->bp;
	u16 rx_status, ustat_val, cl37_fsm_recieved;
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
1672
	CL45_RD_OVER_CL22(bp, phy,
1673 1674 1675 1676 1677 1678 1679
			      MDIO_REG_BANK_RX0,
			      MDIO_RX0_RX_STATUS,
			      &rx_status);
	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
	    (MDIO_RX0_RX_STATUS_SIGDET)) {
		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
			     "rx_status(0x80b0) = 0x%x\n", rx_status);
Y
Yaniv Rosner 已提交
1680
		CL45_WR_OVER_CL22(bp, phy,
1681 1682 1683 1684 1685 1686
				      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 */
Y
Yaniv Rosner 已提交
1687
	CL45_RD_OVER_CL22(bp, phy,
1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701
			      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)) {
		DP(NETIF_MSG_LINK, "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 */
Y
Yaniv Rosner 已提交
1702
	CL45_RD_OVER_CL22(bp, phy,
1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719
			      MDIO_REG_BANK_REMOTE_PHY,
			      MDIO_REMOTE_PHY_MISC_RX_STATUS,
			      &cl37_fsm_recieved);
	if ((cl37_fsm_recieved &
	     (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)) {
		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
			     "misc_rx_status(0x8330) = 0x%x\n",
			 cl37_fsm_recieved);
		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 */
Y
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	CL45_WR_OVER_CL22(bp, phy,
1721 1722 1723 1724
			      MDIO_REG_BANK_CL73_IEEEB0,
			      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			      0);
	/* Restart CL37 autoneg */
Y
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1725
	bnx2x_restart_autoneg(phy, params, 0);
1726 1727
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742

static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars,
				  u32 gp_status)
{
	if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
		vars->link_status |=
			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;

	if (bnx2x_direct_parallel_detect_used(phy, params))
		vars->link_status |=
			LINK_STATUS_PARALLEL_DETECTION_USED;
}

Y
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1743 1744 1745
static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
				     struct link_params *params,
				     struct link_vars *vars)
Y
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1746 1747
{
	struct bnx2x *bp = params->bp;
Y
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1748
	u16 new_line_speed , gp_status;
Y
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1749
	u8 rc = 0;
1750

Y
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1751 1752 1753 1754 1755
	/* Read gp_status */
	CL45_RD_OVER_CL22(bp, phy,
				MDIO_REG_BANK_GP_STATUS,
				MDIO_GP_STATUS_TOP_AN_STATUS1,
				&gp_status);
1756

1757 1758
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
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	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
		DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
			 gp_status);

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

		if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
			vars->duplex = DUPLEX_FULL;
		else
			vars->duplex = DUPLEX_HALF;

1771 1772 1773 1774 1775 1776
		if (SINGLE_MEDIA_DIRECT(params)) {
			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
			if (phy->req_line_speed == SPEED_AUTO_NEG)
				bnx2x_xgxs_an_resolve(phy, params, vars,
						      gp_status);
		}
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		switch (gp_status & GP_STATUS_SPEED_MASK) {
		case GP_STATUS_10M:
E
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			new_line_speed = SPEED_10;
Y
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			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_10TFD;
			else
				vars->link_status |= LINK_10THD;
			break;

		case GP_STATUS_100M:
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			new_line_speed = SPEED_100;
Y
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			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_100TXFD;
			else
				vars->link_status |= LINK_100TXHD;
			break;

		case GP_STATUS_1G:
		case GP_STATUS_1G_KX:
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			new_line_speed = SPEED_1000;
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			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
E
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			new_line_speed = SPEED_2500;
Y
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			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_2500TFD;
			else
				vars->link_status |= LINK_2500THD;
			break;

		case GP_STATUS_5G:
		case GP_STATUS_6G:
			DP(NETIF_MSG_LINK,
				 "link speed unsupported  gp_status 0x%x\n",
				  gp_status);
			return -EINVAL;
1818

Y
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		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
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			new_line_speed = SPEED_10000;
Y
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			vars->link_status |= LINK_10GTFD;
			break;

		case GP_STATUS_12G_HIG:
E
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			new_line_speed = SPEED_12000;
Y
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1828 1829 1830 1831
			vars->link_status |= LINK_12GTFD;
			break;

		case GP_STATUS_12_5G:
E
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			new_line_speed = SPEED_12500;
Y
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			vars->link_status |= LINK_12_5GTFD;
			break;

		case GP_STATUS_13G:
E
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			new_line_speed = SPEED_13000;
Y
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			vars->link_status |= LINK_13GTFD;
			break;

		case GP_STATUS_15G:
E
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			new_line_speed = SPEED_15000;
Y
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			vars->link_status |= LINK_15GTFD;
			break;

		case GP_STATUS_16G:
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			new_line_speed = SPEED_16000;
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			vars->link_status |= LINK_16GTFD;
			break;

		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
				  gp_status);
1855
			return -EINVAL;
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		}

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		vars->line_speed = new_line_speed;
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	} else { /* link_down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;
1864

Y
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		vars->duplex = DUPLEX_FULL;
1866
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
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		vars->mac_type = MAC_TYPE_NONE;
1868

1869 1870
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
1871
			/* Check signal is detected */
1872
			bnx2x_check_fallback_to_cl37(phy, params);
1873
		}
Y
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	}

1876
	DP(NETIF_MSG_LINK, "gp_status 0x%x  phy_link_up %x line_speed %x\n",
Y
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		 gp_status, vars->phy_link_up, vars->line_speed);
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1878 1879
	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
		   vars->duplex, vars->flow_ctrl, vars->link_status);
Y
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1880 1881 1882
	return rc;
}

E
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1883
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
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1884 1885
{
	struct bnx2x *bp = params->bp;
Y
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	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
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1887 1888
	u16 lp_up2;
	u16 tx_driver;
1889
	u16 bank;
Y
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1890 1891

	/* read precomp */
Y
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	CL45_RD_OVER_CL22(bp, phy,
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			      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);

1901 1902 1903 1904 1905
	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)) {
Y
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		CL45_RD_OVER_CL22(bp, phy,
1907 1908 1909 1910 1911 1912 1913 1914
				      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;
Y
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			CL45_WR_OVER_CL22(bp, phy,
1916 1917 1918
					      bank,
					      MDIO_TX0_TX_DRIVER, tx_driver);
		}
Y
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1919 1920 1921 1922
	}
}

static u8 bnx2x_emac_program(struct link_params *params,
Y
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1923
			     struct link_vars *vars)
Y
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1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u16 mode = 0;

	DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
	bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
		     EMAC_REG_EMAC_MODE,
		     (EMAC_MODE_25G_MODE |
		     EMAC_MODE_PORT_MII_10M |
		     EMAC_MODE_HALF_DUPLEX));
Y
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1935
	switch (vars->line_speed) {
Y
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1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953
	case SPEED_10:
		mode |= EMAC_MODE_PORT_MII_10M;
		break;

	case SPEED_100:
		mode |= EMAC_MODE_PORT_MII;
		break;

	case SPEED_1000:
		mode |= EMAC_MODE_PORT_GMII;
		break;

	case SPEED_2500:
		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
		break;

	default:
		/* 10G not valid for EMAC */
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		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
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		return -EINVAL;
	}

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	if (vars->duplex == DUPLEX_HALF)
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		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
		    GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		    mode);

1965
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
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	return 0;
}

Y
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1969 1970
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
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1971
{
Y
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1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047

	u16 bank, i = 0;
	struct bnx2x *bp = params->bp;

	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
			CL45_WR_OVER_CL22(bp, 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++) {
			CL45_WR_OVER_CL22(bp, phy,
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
			  (params->loopback_mode == LOOPBACK_XGXS));
	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
		if (SINGLE_MEDIA_DIRECT(params) &&
		    (params->feature_config_flags &
		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
			bnx2x_set_preemphasis(phy, params);

		/* forced speed requested? */
		if (vars->line_speed != SPEED_AUTO_NEG ||
		    (SINGLE_MEDIA_DIRECT(params) &&
			  params->loopback_mode == LOOPBACK_EXT)) {
			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");

			/* disable autoneg */
			bnx2x_set_autoneg(phy, params, vars, 0);

			/* program speed and duplex */
			bnx2x_program_serdes(phy, params, vars);

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

			/* AN enabled */
			bnx2x_set_brcm_cl37_advertisment(phy, params);

			/* program duplex & pause advertisement (for aneg) */
			bnx2x_set_ieee_aneg_advertisment(phy, params,
						       vars->ieee_fc);

			/* enable autoneg */
			bnx2x_set_autoneg(phy, params, vars, enable_cl73);

			/* enable and restart AN */
			bnx2x_restart_autoneg(phy, params, enable_cl73);
		}

	} else { /* SGMII mode */
		DP(NETIF_MSG_LINK, "SGMII\n");

		bnx2x_initialize_sgmii_process(phy, params, vars);
	}
}

static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
			    struct link_params *params,
			    struct link_vars *vars)
{
	u8 rc;
	vars->phy_flags |= PHY_SGMII_FLAG;
Y
Yaniv Rosner 已提交
2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	bnx2x_set_aer_mmd(params, phy);
	rc = bnx2x_reset_unicore(params, phy, 1);
	/* reset the SerDes and wait for reset bit return low */
	if (rc != 0)
		return rc;
	bnx2x_set_aer_mmd(params, phy);

	return rc;
}

static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
			  struct link_params *params,
			  struct link_vars *vars)
{
	u8 rc;
	vars->phy_flags = PHY_XGXS_FLAG;
	if ((phy->req_line_speed &&
	     ((phy->req_line_speed == SPEED_100) ||
	      (phy->req_line_speed == 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)
	     ))
		vars->phy_flags |= PHY_SGMII_FLAG;
	else
		vars->phy_flags &= ~PHY_SGMII_FLAG;

	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	bnx2x_set_aer_mmd(params, phy);
	bnx2x_set_master_ln(params, phy);

	rc = bnx2x_reset_unicore(params, phy, 0);
	/* reset the SerDes and wait for reset bit return low */
	if (rc != 0)
		return rc;

	bnx2x_set_aer_mmd(params, phy);
Y
Yaniv Rosner 已提交
2088

Y
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2089 2090 2091 2092 2093 2094
	/* setting the masterLn_def again after the reset */
	bnx2x_set_master_ln(params, phy);
	bnx2x_set_swap_lanes(params, phy);

	return rc;
}
2095

Y
Yaniv Rosner 已提交
2096 2097
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
				     struct bnx2x_phy *phy)
Y
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2098
{
Y
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2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109
	u16 cnt, ctrl;
	/* Wait for soft reset to get cleared upto 1 sec */
	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
		if (!(ctrl & (1<<15)))
			break;
		msleep(1);
	}
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
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2110 2111
}

Y
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2112
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
2113
{
Y
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2114 2115 2116
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
2117

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2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155
	/* setting the status to report on link up
	   for either XGXS or SerDes */

	if (params->switch_cfg == SWITCH_CFG_10G) {
		mask = (NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_XGXS0_LINK_STATUS);
		DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
		if (!(SINGLE_MEDIA_DIRECT(params)) &&
			params->phy[INT_PHY].type !=
				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
			mask |= NIG_MASK_MI_INT;
			DP(NETIF_MSG_LINK, "enabled external phy int\n");
		}

	} else { /* SerDes */
		mask = NIG_MASK_SERDES0_LINK_STATUS;
		DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
		if (!(SINGLE_MEDIA_DIRECT(params)) &&
			params->phy[INT_PHY].type !=
				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
			mask |= NIG_MASK_MI_INT;
			DP(NETIF_MSG_LINK, "enabled external phy int\n");
		}
	}
	bnx2x_bits_en(bp,
		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
		      mask);

	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
		 (params->switch_cfg == SWITCH_CFG_10G),
		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
E
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2156 2157
}

Y
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2158 2159
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
2160
{
Y
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2161 2162 2163 2164 2165 2166
	u32 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
Y
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2167 2168 2169
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
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2170 2171
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
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2172
	/* Handle only those with latched-signal=up.*/
Y
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2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183
	if (exp_mi_int)
		bnx2x_bits_en(bp,
			      NIG_REG_STATUS_INTERRUPT_PORT0
			      + port*4,
			      NIG_STATUS_EMAC0_MI_INT);
	else
		bnx2x_bits_dis(bp,
			       NIG_REG_STATUS_INTERRUPT_PORT0
			       + port*4,
			       NIG_STATUS_EMAC0_MI_INT);

Y
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2184
	if (latch_status & 1) {
Y
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2185

Y
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2186 2187
		/* For all latched-signal=up : Re-Arm Latch signals */
		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
2188
			     (latch_status & 0xfffe) | (latch_status & 1));
Y
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2189
	}
Y
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2190
	/* For all latched-signal=up,Write original_signal to status */
E
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2191 2192
}

Y
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2193
static void bnx2x_link_int_ack(struct link_params *params,
Y
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2194
			     struct link_vars *vars, u8 is_10g)
2195
{
Y
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2196
	struct bnx2x *bp = params->bp;
Y
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2197
	u8 port = params->port;
Y
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2198

Y
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2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213
	/* first reset all status
	 * we assume only one line will be change at a time */
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
		     (NIG_STATUS_XGXS0_LINK10G |
		      NIG_STATUS_XGXS0_LINK_STATUS |
		      NIG_STATUS_SERDES0_LINK_STATUS));
	if (vars->phy_link_up) {
		if (is_10g) {
			/* Disable the 10G link interrupt
			 * by writing 1 to the status register
			 */
			DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_XGXS0_LINK10G);
2214

Y
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2215 2216 2217 2218 2219 2220 2221 2222
		} else if (params->switch_cfg == SWITCH_CFG_10G) {
			/* Disable the link interrupt
			 * by writing 1 to the relevant lane
			 * in the status register
			 */
			u32 ser_lane = ((params->lane_config &
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2223

Y
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2224 2225 2226 2227 2228 2229
			DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
				 vars->line_speed);
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
Y
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2230

Y
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2231 2232 2233 2234 2235 2236 2237 2238 2239
		} else { /* SerDes */
			DP(NETIF_MSG_LINK, "SerDes phy link up\n");
			/* Disable the link interrupt
			 * by writing 1 to the status register
			 */
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_SERDES0_LINK_STATUS);
		}
Y
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2240 2241 2242 2243

	}
}

Y
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2244 2245 2246 2247 2248 2249
static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
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2250
	u8 remove_leading_zeros = 1;
Y
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2251 2252 2253
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
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2254
		(*len)--;
Y
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2255
		return -EINVAL;
Y
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2256
	}
Y
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2257
	while (shift > 0) {
Y
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2258

Y
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2259 2260
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
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2261 2262 2263 2264
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
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2265 2266 2267
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
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2268
		remove_leading_zeros = 0;
Y
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2269
		str_ptr++;
Y
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2270
		(*len)--;
Y
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2271 2272
		mask = mask >> 4;
		if (shift == 4*4) {
Y
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2273
			*str_ptr = '.';
Y
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2274
			str_ptr++;
Y
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2275 2276
			(*len)--;
			remove_leading_zeros = 1;
Y
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2277 2278
		}
	}
Y
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2279
	return 0;
Y
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2280 2281
}

Y
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2282

Y
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2283
static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
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2284
{
Y
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2285 2286 2287 2288
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
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2289

Y
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2290 2291 2292 2293 2294 2295 2296
u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
			      u8 *version, u16 len)
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
	u8 status = 0;
	u8 *ver_p = version;
Y
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2297
	u16 remain_len = len;
Y
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2298 2299 2300
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
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2301

Y
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2302 2303 2304
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
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2305

Y
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2306
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
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2307 2308
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
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2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327
							      &remain_len);
		ver_p += (len - remain_len);
	}
	if ((params->num_phys == MAX_PHYS) &&
	    (params->phy[EXT_PHY2].ver_addr != 0)) {
		spirom_ver = REG_RD(bp,
					  params->phy[EXT_PHY2].ver_addr);
		if (params->phy[EXT_PHY2].format_fw_ver) {
			*ver_p = '/';
			ver_p++;
			remain_len--;
			status |= params->phy[EXT_PHY2].format_fw_ver(
				spirom_ver,
				ver_p,
				&remain_len);
			ver_p = version + (len - remain_len);
		}
	}
	*ver_p = '\0';
Y
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2328
	return status;
Y
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2329
}
Y
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2330

Y
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2331 2332
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
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2333
{
Y
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2334
	u8 port = params->port;
E
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2335 2336
	struct bnx2x *bp = params->bp;

Y
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2337 2338
	if (phy->req_line_speed != SPEED_1000) {
		u32 md_devad;
E
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2339

Y
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2340
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
2341

Y
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2342 2343 2344
		/* change the uni_phy_addr in the nig */
		md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
					  port*0x18));
2345

Y
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2346
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
E
Eilon Greenstein 已提交
2347

Y
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2348 2349 2350 2351 2352
		bnx2x_cl45_write(bp, phy,
			       5,
			       (MDIO_REG_BANK_AER_BLOCK +
				(MDIO_AER_BLOCK_AER_REG & 0xf)),
			       0x2800);
E
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2353

Y
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2354 2355 2356 2357 2358 2359 2360 2361
		bnx2x_cl45_write(bp, phy,
			       5,
			       (MDIO_REG_BANK_CL73_IEEEB0 +
				(MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
			       0x6041);
		msleep(200);
		/* set aer mmd back */
		bnx2x_set_aer_mmd(params, phy);
E
Eilon Greenstein 已提交
2362

Y
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2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379
		/* and md_devad */
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			    md_devad);

	} else {
		u16 mii_ctrl;
		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
		bnx2x_cl45_read(bp, phy, 5,
				(MDIO_REG_BANK_COMBO_IEEE0 +
				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
				&mii_ctrl);
		bnx2x_cl45_write(bp, phy, 5,
				 (MDIO_REG_BANK_COMBO_IEEE0 +
				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
				 mii_ctrl |
				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
	}
E
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2380 2381
}

Y
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2382 2383 2384 2385 2386 2387 2388 2389 2390 2391
/*
 *------------------------------------------------------------------------
 * bnx2x_override_led_value -
 *
 * Override the led value of the requested led
 *
 *------------------------------------------------------------------------
 */
u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port,
			  u32 led_idx, u32 value)
E
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2392
{
Y
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2393
	u32 reg_val;
2394

Y
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2395 2396
	/* If port 0 then use EMAC0, else use EMAC1*/
	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
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2397

Y
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2398 2399 2400
	DP(NETIF_MSG_LINK,
		 "bnx2x_override_led_value() port %x led_idx %d value %d\n",
		 port, led_idx, value);
E
Eilon Greenstein 已提交
2401

Y
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2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494
	switch (led_idx) {
	case 0: /* 10MB led */
		/* Read the current value of the LED register in
		the EMAC block */
		reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
		/* Set the OVERRIDE bit to 1 */
		reg_val |= EMAC_LED_OVERRIDE;
		/* If value is 1, set the 10M_OVERRIDE bit,
		otherwise reset it.*/
		reg_val = (value == 1) ? (reg_val | EMAC_LED_10MB_OVERRIDE) :
			(reg_val & ~EMAC_LED_10MB_OVERRIDE);
		REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
		break;
	case 1: /*100MB led    */
		/*Read the current value of the LED register in
		the EMAC block */
		reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
		/*  Set the OVERRIDE bit to 1 */
		reg_val |= EMAC_LED_OVERRIDE;
		/*  If value is 1, set the 100M_OVERRIDE bit,
		otherwise reset it.*/
		reg_val = (value == 1) ? (reg_val | EMAC_LED_100MB_OVERRIDE) :
			(reg_val & ~EMAC_LED_100MB_OVERRIDE);
		REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
		break;
	case 2: /* 1000MB led */
		/* Read the current value of the LED register in the
		EMAC block */
		reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
		/* Set the OVERRIDE bit to 1 */
		reg_val |= EMAC_LED_OVERRIDE;
		/* If value is 1, set the 1000M_OVERRIDE bit, otherwise
		reset it. */
		reg_val = (value == 1) ? (reg_val | EMAC_LED_1000MB_OVERRIDE) :
			(reg_val & ~EMAC_LED_1000MB_OVERRIDE);
		REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
		break;
	case 3: /* 2500MB led */
		/*  Read the current value of the LED register in the
		EMAC block*/
		reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
		/* Set the OVERRIDE bit to 1 */
		reg_val |= EMAC_LED_OVERRIDE;
		/*  If value is 1, set the 2500M_OVERRIDE bit, otherwise
		reset it.*/
		reg_val = (value == 1) ? (reg_val | EMAC_LED_2500MB_OVERRIDE) :
			(reg_val & ~EMAC_LED_2500MB_OVERRIDE);
		REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
		break;
	case 4: /*10G led */
		if (port == 0) {
			REG_WR(bp, NIG_REG_LED_10G_P0,
				    value);
		} else {
			REG_WR(bp, NIG_REG_LED_10G_P1,
				    value);
		}
		break;
	case 5: /* TRAFFIC led */
		/* Find if the traffic control is via BMAC or EMAC */
		if (port == 0)
			reg_val = REG_RD(bp, NIG_REG_NIG_EMAC0_EN);
		else
			reg_val = REG_RD(bp, NIG_REG_NIG_EMAC1_EN);

		/*  Override the traffic led in the EMAC:*/
		if (reg_val == 1) {
			/* Read the current value of the LED register in
			the EMAC block */
			reg_val = REG_RD(bp, emac_base +
					     EMAC_REG_EMAC_LED);
			/* Set the TRAFFIC_OVERRIDE bit to 1 */
			reg_val |= EMAC_LED_OVERRIDE;
			/* If value is 1, set the TRAFFIC bit, otherwise
			reset it.*/
			reg_val = (value == 1) ? (reg_val | EMAC_LED_TRAFFIC) :
				(reg_val & ~EMAC_LED_TRAFFIC);
			REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
		} else { /* Override the traffic led in the BMAC: */
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
				   + port*4, 1);
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4,
				    value);
		}
		break;
	default:
		DP(NETIF_MSG_LINK,
			 "bnx2x_override_led_value() unknown led index %d "
			 "(should be 0-5)\n", led_idx);
		return -EINVAL;
	}

	return 0;
E
Eilon Greenstein 已提交
2495 2496
}

2497 2498 2499

u8 bnx2x_set_led(struct link_params *params,
		 struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
2500
{
Y
Yaniv Rosner 已提交
2501 2502
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
2503
	u8 rc = 0, phy_idx;
Y
Yaniv Rosner 已提交
2504 2505
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
2506
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2507 2508 2509
	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
		 speed, hw_led_mode);
2510 2511 2512 2513 2514 2515 2516 2517
	/* In case */
	for (phy_idx = EXT_PHY1; phy_idx < 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);
		}
	}

Y
Yaniv Rosner 已提交
2518
	switch (mode) {
2519
	case LED_MODE_FRONT_PANEL_OFF:
Y
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2520 2521 2522 2523
	case LED_MODE_OFF:
		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
			   SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
2524

Y
Yaniv Rosner 已提交
2525 2526 2527
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
		EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
		break;
E
Eilon Greenstein 已提交
2528

Y
Yaniv Rosner 已提交
2529
	case LED_MODE_OPER:
2530 2531 2532 2533 2534 2535 2536
		/**
		 * For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
		 **/
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
2537
		if (SINGLE_MEDIA_DIRECT(params)) {
2538 2539 2540 2541
			/**
			* This is a work-around for HW issue found when link
			* is up in CL73
			*/
Y
Yaniv Rosner 已提交
2542 2543 2544 2545 2546 2547
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
		} else {
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
				   hw_led_mode);
		}
E
Eilon Greenstein 已提交
2548

Y
Yaniv Rosner 已提交
2549 2550 2551 2552 2553 2554 2555 2556 2557 2558
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 +
			   port*4, 0);
		/* Set blinking rate to ~15.9Hz */
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			   LED_BLINK_RATE_VAL);
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
			   port*4, 1);
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
		EMAC_WR(bp, EMAC_REG_EMAC_LED,
			    (tmp & (~EMAC_LED_OVERRIDE)));
E
Eilon Greenstein 已提交
2559

Y
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2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
			/* On Everest 1 Ax chip versions for speeds less than
			10G LED scheme is different */
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
				   + port*4, 1);
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
				   port*4, 0);
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
				   port*4, 1);
		}
		break;
E
Eilon Greenstein 已提交
2575

Y
Yaniv Rosner 已提交
2576 2577 2578 2579 2580
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
2581
	}
Y
Yaniv Rosner 已提交
2582
	return rc;
E
Eilon Greenstein 已提交
2583

E
Eilon Greenstein 已提交
2584 2585
}

Y
Yaniv Rosner 已提交
2586 2587 2588 2589 2590 2591
/**
 * This function comes to reflect the actual link state read DIRECTLY from the
 * HW
 */
u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		   u8 is_serdes)
E
Eilon Greenstein 已提交
2592 2593
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2594
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
2595 2596
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
E
Eilon Greenstein 已提交
2597

Y
Yaniv Rosner 已提交
2598 2599 2600 2601 2602
	CL45_RD_OVER_CL22(bp, &params->phy[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 */
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	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return -ESRCH;

	switch (params->num_phys) {
	case 1:
		/* No external PHY */
		return 0;
	case 2:
		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
			&params->phy[EXT_PHY1],
			params, &temp_vars);
		break;
	case 3: /* Dual Media */
Y
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2616 2617
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
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2618 2619 2620 2621 2622 2623 2624 2625 2626
			serdes_phy_type = ((params->phy[phy_index].media_type ==
					    ETH_PHY_SFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_XFP_FIBER));

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
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2627 2628 2629
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
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2630
			}
Y
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2631
		}
Y
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2632
		break;
E
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2633
	}
Y
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	if (ext_phy_link_up)
		return 0;
Y
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	return -ESRCH;
}
E
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2638

Y
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2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651
static u8 bnx2x_link_initialize(struct link_params *params,
				struct link_vars *vars)
{
	u8 rc = 0;
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
	/**
	* 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[INT_PHY].req_line_speed;
E
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Y
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2653 2654 2655 2656 2657
	/**
	 * Initialize the internal phy in case this is a direct board
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
E
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2658

Y
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2659 2660 2661 2662
	if (params->phy[INT_PHY].config_init)
		params->phy[INT_PHY].config_init(
			&params->phy[INT_PHY],
			params, vars);
E
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Y
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2664 2665 2666
	/* init ext phy and enable link state int */
	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
		       (params->loopback_mode == LOOPBACK_XGXS));
E
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Y
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2668 2669 2670 2671 2672 2673 2674
	if (non_ext_phy ||
	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
		struct bnx2x_phy *phy = &params->phy[INT_PHY];
		if (vars->line_speed == SPEED_AUTO_NEG)
			bnx2x_set_parallel_detection(phy, params);
		bnx2x_init_internal_phy(phy, params, vars);
E
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	}

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	/* Init external phy*/
	if (!non_ext_phy)
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
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			/**
			 * 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 (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
				DP(NETIF_MSG_LINK, "Not initializing"
						   "second phy\n");
				continue;
			}
Y
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			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
E
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	/* Reset the interrupt indication after phy was initialized */
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
		       params->port*4,
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
	return rc;
}
E
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Y
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static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
	/* reset the SerDes/XGXS */
	REG_WR(params->bp, GRCBASE_MISC +
		     MISC_REGISTERS_RESET_REG_3_CLEAR,
		     (0x1ff << (params->port*16)));
E
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}

Y
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static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
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{
Y
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	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
	gpio_port = params->port;
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
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}
E
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2733

Y
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static u8 bnx2x_update_link_down(struct link_params *params,
			       struct link_vars *vars)
E
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{
	struct bnx2x *bp = params->bp;
Y
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	u8 port = params->port;
E
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Y
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	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
2741
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
E
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Y
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	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
2745

Y
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	/* update shared memory */
	vars->link_status = 0;
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
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Y
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	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
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Y
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	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	msleep(10);

	/* reset BigMac */
	bnx2x_bmac_rx_disable(bp, params->port);
	REG_WR(bp, GRCBASE_MISC +
		   MISC_REGISTERS_RESET_REG_2_CLEAR,
		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
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	return 0;
}
Y
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static u8 bnx2x_update_link_up(struct link_params *params,
			     struct link_vars *vars,
			     u8 link_10g)
E
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{
	struct bnx2x *bp = params->bp;
Y
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	u8 port = params->port;
	u8 rc = 0;
E
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2774

Y
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	vars->link_status |= LINK_STATUS_LINK_UP;
2776

Y
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	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
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2780

Y
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	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
2784

Y
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2785 2786
	if (link_10g) {
		bnx2x_bmac_enable(params, vars, 0);
2787 2788
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, SPEED_10000);
Y
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	} else {
		rc = bnx2x_emac_program(params, vars);
2791

Y
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		bnx2x_emac_enable(params, vars, 0);
2793

Y
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		/* AN complete? */
		if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
		    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
		    SINGLE_MEDIA_DIRECT(params))
			bnx2x_set_gmii_tx_driver(params);
	}
2800

Y
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	/* PBF - link up */
	rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
			      vars->line_speed);
E
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Y
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	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
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2807

Y
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2808 2809 2810 2811
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
	msleep(20);
	return rc;
E
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2812
}
Y
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2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826
/**
 * The bnx2x_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.
 */
u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
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{
Y
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2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
	u8 link_10g, phy_index;
	u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
	vars->link_status = 0;
	for (phy_index = 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;
	}
E
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	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
		 port, (vars->phy_flags & PHY_XGXS_FLAG),
		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
E
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Y
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	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
				    port*0x18) > 0);
	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 is_mi_int,
		 REG_RD(bp,
			    NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
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2858

Y
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2859 2860 2861
	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
E
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Y
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	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
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Y
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2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889
	/**
	* 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 the instead of the common vars, a temporary
	* vars argument is used since each phy may have different link/
	* speed/duplex result
	*/
	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		struct bnx2x_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) {
			DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
				   phy_index);
		} else {
			DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
				   phy_index);
			continue;
		}
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Y
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2891 2892 2893
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
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2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927
		} else {
			switch (bnx2x_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 = 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 = 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
			 **/
				DP(NETIF_MSG_LINK, "Invalid link indication"
					   "mpc=0x%x. DISABLING LINK !!!\n",
					   params->multi_phy_config);
				ext_phy_link_up = 0;
				break;
			}
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2928 2929
		}
	}
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2930 2931 2932 2933 2934 2935 2936
	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
E
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2937
	*/
Y
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2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[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.
E
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2949
	 */
Y
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2950 2951 2952 2953 2954
	if (active_external_phy > 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.
E
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2955
		 */
Y
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2956
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
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2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971

		/**
		 * if active_external_phy is first PHY and link is up - disable
		 * disable TX on second external PHY
		 */
		if (active_external_phy == EXT_PHY1) {
			if (params->phy[EXT_PHY2].phy_specific_func) {
				DP(NETIF_MSG_LINK, "Disabling TX on"
						   " EXT_PHY2\n");
				params->phy[EXT_PHY2].phy_specific_func(
					&params->phy[EXT_PHY2],
					params, DISABLE_TX);
			}
		}

Y
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2972 2973 2974 2975 2976 2977 2978 2979
		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 &
		    SUPPORTED_FIBRE)
			vars->link_status |= LINK_STATUS_SERDES_LINK;
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
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2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990

	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		if (params->phy[phy_index].flags &
		    FLAGS_REARM_LATCH_SIGNAL) {
			bnx2x_rearm_latch_signal(bp, port,
						 phy_index ==
						 active_external_phy);
			break;
		}
	}
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2991 2992 2993 2994 2995 2996 2997 2998
	DP(NETIF_MSG_LINK, "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
	 */
E
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Y
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3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013
	if (vars->phy_link_up) {
		if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
		    (ext_phy_line_speed != vars->line_speed)) {
			DP(NETIF_MSG_LINK, "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;
		} else if (prev_line_speed != vars->line_speed) {
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
				     + params->port*4, 0);
			msleep(1);
		}
	}
Y
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3015 3016 3017 3018 3019 3020 3021
	/* anything 10 and over uses the bmac */
	link_10g = ((vars->line_speed == SPEED_10000) ||
		    (vars->line_speed == SPEED_12000) ||
		    (vars->line_speed == SPEED_12500) ||
		    (vars->line_speed == SPEED_13000) ||
		    (vars->line_speed == SPEED_15000) ||
		    (vars->line_speed == SPEED_16000));
E
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3022

Y
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3023
	bnx2x_link_int_ack(params, vars, link_10g);
E
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3024

Y
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3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049
	/**
	* 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 (!(SINGLE_MEDIA_DIRECT(params))) {
		DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
			   " init_preceding = %d\n", ext_phy_link_up,
			   vars->phy_link_up,
			   params->phy[EXT_PHY1].flags &
			   FLAGS_INIT_XGXS_FIRST);
		if (!(params->phy[EXT_PHY1].flags &
		      FLAGS_INIT_XGXS_FIRST)
		    && ext_phy_link_up && !vars->phy_link_up) {
			vars->line_speed = ext_phy_line_speed;
			if (vars->line_speed < SPEED_1000)
				vars->phy_flags |= PHY_SGMII_FLAG;
			else
				vars->phy_flags &= ~PHY_SGMII_FLAG;
			bnx2x_init_internal_phy(&params->phy[INT_PHY],
						params,
						vars);
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		}
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	}
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	/**
	 *  Link is up only if both local phy and external phy (in case of
	 *  non-direct board) are up
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	 */
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	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
			  SINGLE_MEDIA_DIRECT(params)));

	if (vars->link_up)
		rc = bnx2x_update_link_up(params, vars, link_10g);
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	else
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		rc = bnx2x_update_link_down(params, vars);
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	return rc;
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}


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/*****************************************************************************/
/*			    External Phy section			     */
/*****************************************************************************/
void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
{
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
}
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static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
				      u32 spirom_ver, u32 ver_addr)
{
	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
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	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
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}

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static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
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{
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	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2, &fw_ver2);
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
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}
3104

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static void bnx2x_ext_phy_set_pause(struct link_params *params,
				    struct bnx2x_phy *phy,
				    struct link_vars *vars)
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{
	u16 val;
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	struct bnx2x *bp = params->bp;
	/* read modify write pause advertizing */
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
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	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
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	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	bnx2x_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;
	}
	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
}

static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 ld_pause;		/* local */
	u16 lp_pause;		/* link partner */
	u16 pause_result;
	u8 ret = 0;
	/* read twice */

	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;

	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
		vars->flow_ctrl = phy->req_flow_ctrl;
	else if (phy->req_line_speed != SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
		bnx2x_cl45_read(bp, phy,
			      MDIO_AN_DEVAD,
			      MDIO_AN_REG_ADV_PAUSE, &ld_pause);
		bnx2x_cl45_read(bp, 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;
		DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
		   pause_result);
		bnx2x_pause_resolve(vars, pause_result);
	}
	return ret;
}

static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
				       struct link_vars *vars)
{
	u16 val;
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_STATUS, &val);
	bnx2x_cl45_read(bp, 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 bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	if (phy->req_line_speed == SPEED_10 ||
	    phy->req_line_speed == SPEED_100) {
		vars->flow_ctrl = phy->req_flow_ctrl;
		return;
	}

	if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
	    (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
		u16 pause_result;
		u16 ld_pause;		/* local */
		u16 lp_pause;		/* link partner */
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_CL37_FC_LD, &ld_pause);

		bnx2x_cl45_read(bp, 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;

		bnx2x_pause_resolve(vars, pause_result);
		DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
			   pause_result);
	}
}

static void bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					      struct bnx2x_phy *phy,
					      u8 port)
{
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       0x0001);

	/* ucode reboot and rst */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       0x008c);

	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0001);

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);

	/* wait for 120ms for code download via SPI port */
	msleep(120);

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0000);
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
}

static void bnx2x_8073_set_xaui_low_power_mode(struct bnx2x *bp,
					       struct bnx2x_phy *phy)
{
	u16 val;
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, &val);

	if (val == 0) {
		/* Mustn't set low power mode in 8073 A0 */
		return;
	}

	/* Disable PLL sequencer (use read-modify-write to clear bit 13) */
	bnx2x_cl45_read(bp, phy,
3279
			MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
Y
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3280
	val &= ~(1<<13);
Y
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3281
	bnx2x_cl45_write(bp, phy,
Y
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3282 3283 3284
		       MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);

	/* PLL controls */
3285 3286 3287 3288 3289
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805E, 0x1077);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805D, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805C, 0x030B);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805B, 0x1240);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805A, 0x2490);
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3290 3291

	/* Tx Controls */
3292 3293 3294
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A7, 0x0C74);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A6, 0x9041);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A5, 0x4640);
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3295 3296

	/* Rx Controls */
3297 3298 3299
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FE, 0x01C4);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FD, 0x9249);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FC, 0x2015);
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3300 3301

	/* Enable PLL sequencer  (use read-modify-write to set bit 13) */
3302
	bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
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3303
	val |= (1<<13);
3304
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
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3305
}
Y
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3306

Y
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3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401
/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
{
	/* This is only required for 8073A1, version 102 only */
	u16 val;

	/* Read 8073 HW revision*/
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_8073_CHIP_REV, &val);

	if (val != 1) {
		/* No need to workaround in 8073 A1 */
		return 0;
	}

	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2, &val);

	/* SNR should be applied only for version 0x102 */
	if (val != 0x102)
		return 0;

	return 1;
}

static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
{
	u16 val, cnt, cnt1 ;

	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_8073_CHIP_REV, &val);

	if (val > 0) {
		/* No need to workaround in 8073 A1 */
		return 0;
	}
	/* XAUI workaround in 8073 A0: */

	/* After loading the boot ROM and restarting Autoneg,
	poll Dev1, Reg $C820: */

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, 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))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
			DP(NETIF_MSG_LINK, "clc bit 15 went off\n");
			 /* If bit 15 is 0, then poll Dev1, Reg $C841 until
			  it's MSB (bit 15) goes to 1 (indicating that the
			  XAUI workaround has completed),
			  then continue on with system initialization.*/
			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
				bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8073_XAUI_WA, &val);
				if (val & (1<<15)) {
					DP(NETIF_MSG_LINK,
					  "XAUI workaround has completed\n");
					return 0;
				 }
				 msleep(3);
			}
			break;
		}
		msleep(3);
	}
	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
	return -EINVAL;
}

static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
{
	/* Force KR or KX */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
}

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static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
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3403 3404
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
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3405
{
Y
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3406
	u16 cl37_val;
Y
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3407 3408
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
3409
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
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3410 3411 3412

	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
Y
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3413
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
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3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431
	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;
	}
	DP(NETIF_MSG_LINK,
		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);

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3432
	bnx2x_cl45_write(bp, phy,
3433
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
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3434
	msleep(500);
Y
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3435 3436
}

Y
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3437 3438 3439
static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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3440
{
Y
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3441
	struct bnx2x *bp = params->bp;
Y
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3442 3443 3444
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
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3445

Y
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3446 3447 3448 3449
	gpio_port = params->port;
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
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3450

Y
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3451 3452
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
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3453

Y
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3454 3455 3456 3457 3458
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,  0x0004);
3459

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3460
	bnx2x_8073_set_pause_cl37(params, phy, vars);
3461

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3462
	bnx2x_8073_set_xaui_low_power_mode(bp, phy);
Y
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3463 3464

	bnx2x_cl45_read(bp, phy,
Y
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3465
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
3466

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3467 3468
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
3469

Y
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3470
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
3471

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3472 3473 3474 3475
	/* Enable CL37 BAM */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_8073_BAM, &val);
Y
Yaniv Rosner 已提交
3476
	bnx2x_cl45_write(bp, phy,
3477
			 MDIO_AN_DEVAD,
Y
Yaniv Rosner 已提交
3478
			 MDIO_AN_REG_8073_BAM, val | 1);
3479

Y
Yaniv Rosner 已提交
3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501
	if (params->loopback_mode == LOOPBACK_EXT) {
		bnx2x_807x_force_10G(bp, phy);
		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
		return 0;
	} else {
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
	}
	if (phy->req_line_speed != SPEED_AUTO_NEG) {
		if (phy->req_line_speed == SPEED_10000) {
			val = (1<<7);
		} else if (phy->req_line_speed ==  SPEED_2500) {
			val = (1<<5);
			/* Note that 2.5G works only
			when used with 1G advertisment */
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
3502

Y
Yaniv Rosner 已提交
3503 3504 3505 3506 3507 3508 3509 3510
		/* Note that 2.5G works only when
		used with 1G advertisment */
		if (phy->speed_cap_mask &
			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
			val |= (1<<5);
		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
	}
3511

Y
Yaniv Rosner 已提交
3512 3513
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
3514

Y
Yaniv Rosner 已提交
3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531
	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
	    (phy->req_line_speed == SPEED_2500)) {
		u16 phy_ver;
		/* Allow 2.5G for A1 and above */
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
				&phy_ver);
		DP(NETIF_MSG_LINK, "Add 2.5G\n");
		if (phy_ver > 0)
			tmp1 |= 1;
		else
			tmp1 &= 0xfffe;
	} else {
		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
		tmp1 &= 0xfffe;
	}
3532

Y
Yaniv Rosner 已提交
3533 3534
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
3535

Y
Yaniv Rosner 已提交
3536 3537 3538 3539
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
				  0x20 : 0x40)));
3540

Y
Yaniv Rosner 已提交
3541 3542
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
3543

Y
Yaniv Rosner 已提交
3544 3545 3546 3547 3548 3549 3550
	/* The SNR will improve about 2db by changing
	BW and FEE main tap. Rest commands are executed
	after link is up*/
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
3551

Y
Yaniv Rosner 已提交
3552 3553 3554 3555
	/* Enable FEC (Forware Error Correction) Request in the AN */
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
	tmp1 |= (1<<15);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
3556

Y
Yaniv Rosner 已提交
3557
	bnx2x_ext_phy_set_pause(params, phy, vars);
3558

Y
Yaniv Rosner 已提交
3559 3560 3561 3562 3563 3564
	/* Restart autoneg */
	msleep(500);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
	return 0;
Y
Yaniv Rosner 已提交
3565
}
Y
Yaniv Rosner 已提交
3566

Y
Yaniv Rosner 已提交
3567
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
3568 3569 3570 3571
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3572 3573 3574 3575
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
3576

Y
Yaniv Rosner 已提交
3577 3578
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
Y
Yaniv Rosner 已提交
3579

Y
Yaniv Rosner 已提交
3580
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
3581

Y
Yaniv Rosner 已提交
3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613
	/* clear the interrupt LASI status register */
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
	/* Clear MSG-OUT */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);

	/* Check the LASI */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);

	DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);

	/* Check the link status */
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
	DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	link_up = ((val1 & 4) == 4);
	DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);

	if (link_up &&
	     ((phy->req_line_speed != SPEED_10000))) {
		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
			return 0;
3614
	}
Y
Yaniv Rosner 已提交
3615 3616 3617 3618
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
3619

Y
Yaniv Rosner 已提交
3620 3621 3622 3623 3624 3625 3626
	/* Check the link status on 1.1.2 */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
		   "an_link_status=0x%x\n", val2, val1, an1000_status);
3627

Y
Yaniv Rosner 已提交
3628 3629 3630 3631 3632 3633 3634 3635
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, 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 */
3636
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3637 3638
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
3639

Y
Yaniv Rosner 已提交
3640
		/* Change CDR Bandwidth in EDC register */
3641
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3642 3643 3644 3645 3646 3647
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
				 0x0333);
	}
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
			&link_status);
3648

Y
Yaniv Rosner 已提交
3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668
	/* 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 = SPEED_10000;
		DP(NETIF_MSG_LINK, "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 = SPEED_2500;
		DP(NETIF_MSG_LINK, "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 = SPEED_1000;
		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
			   params->port);
	} else {
		link_up = 0;
		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
			   params->port);
3669
	}
Y
Yaniv Rosner 已提交
3670 3671 3672 3673 3674 3675

	if (link_up) {
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
	}
	return link_up;
Y
Yaniv Rosner 已提交
3676 3677
}

Y
Yaniv Rosner 已提交
3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694
static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	gpio_port = params->port;
	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
	   gpio_port);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
3695 3696 3697 3698
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3699
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
3700 3701 3702
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
3703 3704 3705
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Y
Yaniv Rosner 已提交
3706 3707
	bnx2x_wait_reset_complete(bp, phy);

Y
Yaniv Rosner 已提交
3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
	bnx2x_cl45_write(bp, phy,
			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
	/* BCM8705 doesn't have microcode, hence the 0 */
	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
	return 0;
}
E
Eilon Greenstein 已提交
3720

Y
Yaniv Rosner 已提交
3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731
static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	u8 link_up = 0;
	u16 val1, rx_sd;
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "read status 8705\n");
	bnx2x_cl45_read(bp, phy,
		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
3732

Y
Yaniv Rosner 已提交
3733 3734 3735
	bnx2x_cl45_read(bp, phy,
		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
3736

Y
Yaniv Rosner 已提交
3737 3738
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
3739

Y
Yaniv Rosner 已提交
3740 3741 3742 3743
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
3744

Y
Yaniv Rosner 已提交
3745 3746 3747 3748 3749
	DP(NETIF_MSG_LINK, "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 = SPEED_10000;
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
3750
	}
Y
Yaniv Rosner 已提交
3751 3752
	return link_up;
}
3753

Y
Yaniv Rosner 已提交
3754 3755 3756 3757 3758 3759 3760 3761 3762
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
static void bnx2x_sfp_set_transmitter(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port,
				      u8 tx_en)
{
	u16 val;
3763

Y
Yaniv Rosner 已提交
3764 3765 3766 3767 3768 3769 3770
	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
		 tx_en, port);
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_PHY_IDENTIFIER,
		      &val);
3771

Y
Yaniv Rosner 已提交
3772 3773 3774 3775
	if (tx_en)
		val &= ~(1<<15);
	else
		val |= (1<<15);
Y
Yaniv Rosner 已提交
3776

Y
Yaniv Rosner 已提交
3777 3778 3779 3780
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       val);
Y
Yaniv Rosner 已提交
3781 3782
}

Y
Yaniv Rosner 已提交
3783 3784 3785
static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
					  u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
3786 3787
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3788 3789 3790 3791 3792 3793 3794 3795
	u16 val = 0;
	u16 i;
	if (byte_cnt > 16) {
		DP(NETIF_MSG_LINK, "Reading from eeprom is"
			    " is limited to 0xf\n");
		return -EINVAL;
	}
	/* Set the read command byte count */
3796
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3797 3798
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
		       (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
3799

Y
Yaniv Rosner 已提交
3800 3801 3802 3803
	/* Set the read command address */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
		       addr);
Y
Yaniv Rosner 已提交
3804

Y
Yaniv Rosner 已提交
3805
	/* Activate read command */
3806
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3807 3808
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		       0x2c0f);
Y
Yaniv Rosner 已提交
3809

Y
Yaniv Rosner 已提交
3810 3811 3812 3813 3814 3815 3816 3817 3818
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, 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;
		udelay(5);
3819 3820
	}

Y
Yaniv Rosner 已提交
3821 3822 3823 3824 3825 3826
	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
		DP(NETIF_MSG_LINK,
			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
		return -EINVAL;
3827
	}
Y
Yaniv Rosner 已提交
3828

Y
Yaniv Rosner 已提交
3829 3830
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
3831
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3832 3833 3834
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
3835
	}
Y
Yaniv Rosner 已提交
3836

Y
Yaniv Rosner 已提交
3837 3838 3839 3840 3841 3842 3843 3844 3845 3846
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, 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 0;;
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
3847
}
E
Eilon Greenstein 已提交
3848

Y
Yaniv Rosner 已提交
3849 3850 3851
static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
					  u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
3852 3853
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3854
	u16 val, i;
Y
Yaniv Rosner 已提交
3855

Y
Yaniv Rosner 已提交
3856 3857 3858 3859 3860
	if (byte_cnt > 16) {
		DP(NETIF_MSG_LINK, "Reading from eeprom is"
			    " is limited to 0xf\n");
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
3861

Y
Yaniv Rosner 已提交
3862 3863 3864 3865 3866
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		      &val);
E
Eilon Greenstein 已提交
3867

Y
Yaniv Rosner 已提交
3868
	/* Set the read command byte count */
3869
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3870 3871 3872
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
		       ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
3873

Y
Yaniv Rosner 已提交
3874
	/* Set the read command address */
3875
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3876 3877 3878 3879
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
		       addr);
	/* Set the destination address */
3880
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3881 3882 3883
		       MDIO_PMA_DEVAD,
		       0x8004,
		       MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
3884

Y
Yaniv Rosner 已提交
3885
	/* Activate read command */
3886
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3887 3888 3889 3890 3891 3892
		       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 */
	msleep(1);
E
Eilon Greenstein 已提交
3893

Y
Yaniv Rosner 已提交
3894 3895
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
3896
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3897 3898 3899 3900 3901 3902
			      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;
		udelay(5);
3903
	}
E
Eilon Greenstein 已提交
3904

Y
Yaniv Rosner 已提交
3905 3906 3907 3908 3909 3910 3911
	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
		DP(NETIF_MSG_LINK,
			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
		return -EINVAL;
	}
3912

Y
Yaniv Rosner 已提交
3913 3914 3915 3916 3917 3918 3919
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
3920

Y
Yaniv Rosner 已提交
3921 3922 3923 3924 3925 3926 3927 3928
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, 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 0;;
		msleep(1);
3929 3930
	}

Y
Yaniv Rosner 已提交
3931
	return -EINVAL;
Y
Yaniv Rosner 已提交
3932 3933
}

Y
Yaniv Rosner 已提交
3934 3935 3936
u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
				struct link_params *params, u16 addr,
				     u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
3937
{
Y
Yaniv Rosner 已提交
3938 3939 3940 3941 3942 3943 3944
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	return -EINVAL;
Y
Yaniv Rosner 已提交
3945 3946
}

Y
Yaniv Rosner 已提交
3947 3948 3949
static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			     struct link_params *params,
				  u16 *edc_mode)
Y
Yaniv Rosner 已提交
3950 3951
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3952 3953
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
3954

Y
Yaniv Rosner 已提交
3955 3956 3957 3958 3959 3960 3961 3962 3963
	/* First check for copper cable */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
					 SFP_EEPROM_CON_TYPE_ADDR,
					 1,
					 &val) != 0) {
		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
		return -EINVAL;
	}
3964

Y
Yaniv Rosner 已提交
3965 3966 3967 3968
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
3969

Y
Yaniv Rosner 已提交
3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982
		/* Check if its active cable( includes SFP+ module)
		of passive cable*/
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
					       &copper_module_type) !=
		    0) {
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
3983

Y
Yaniv Rosner 已提交
3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999
		if (copper_module_type &
		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
			check_limiting_mode = 1;
		} else if (copper_module_type &
			SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
				DP(NETIF_MSG_LINK, "Passive Copper"
					    " cable detected\n");
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
		} else {
			DP(NETIF_MSG_LINK, "Unknown copper-cable-"
				     "type 0x%x !!!\n", copper_module_type);
			return -EINVAL;
		}
		break;
4000
	}
Y
Yaniv Rosner 已提交
4001 4002 4003 4004 4005 4006 4007 4008
	case SFP_EEPROM_CON_TYPE_VAL_LC:
		DP(NETIF_MSG_LINK, "Optic module detected\n");
		check_limiting_mode = 1;
		break;
	default:
		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
			 val);
		return -EINVAL;
4009
	}
4010

Y
Yaniv Rosner 已提交
4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025
	if (check_limiting_mode) {
		u8 options[SFP_EEPROM_OPTIONS_SIZE];
		if (bnx2x_read_sfp_module_eeprom(phy,
						 params,
						 SFP_EEPROM_OPTIONS_ADDR,
						 SFP_EEPROM_OPTIONS_SIZE,
						 options) != 0) {
			DP(NETIF_MSG_LINK, "Failed to read Option"
				" field from module EEPROM\n");
			return -EINVAL;
		}
		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = EDC_MODE_LINEAR;
		else
			*edc_mode = EDC_MODE_LIMITING;
4026
	}
Y
Yaniv Rosner 已提交
4027
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4028
	return 0;
Y
Yaniv Rosner 已提交
4029
}
Y
Yaniv Rosner 已提交
4030 4031 4032 4033
/* This function read the relevant field from the module ( SFP+ ),
	and verify it is compliant with this board */
static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
4034 4035
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4036 4037
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
4038 4039
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
4040
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4041 4042 4043 4044 4045 4046 4047 4048
	val = REG_RD(bp, 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) {
		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
		return 0;
	}
Y
Yaniv Rosner 已提交
4049

Y
Yaniv Rosner 已提交
4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064
	if (params->feature_config_flags &
	    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 &
		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
		/* Use first phy request only in case of non-dual media*/
		if (DUAL_MEDIA(params)) {
			DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
			   "verification\n");
			return -EINVAL;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
Y
Yaniv Rosner 已提交
4065
		DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Y
Yaniv Rosner 已提交
4066
			  "verification\n");
Y
Yaniv Rosner 已提交
4067 4068
		return -EINVAL;
	}
Y
Yaniv Rosner 已提交
4069 4070
	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Y
Yaniv Rosner 已提交
4071 4072 4073 4074
	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
		DP(NETIF_MSG_LINK, "Approved module\n");
		return 0;
	}
Y
Yaniv Rosner 已提交
4075

Y
Yaniv Rosner 已提交
4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
				       SFP_EEPROM_VENDOR_NAME_ADDR,
				       SFP_EEPROM_VENDOR_NAME_SIZE,
				       (u8 *)vendor_name))
		vendor_name[0] = '\0';
	else
		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
				       SFP_EEPROM_PART_NO_ADDR,
				       SFP_EEPROM_PART_NO_SIZE,
				       (u8 *)vendor_pn))
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

	netdev_info(bp->dev, "Warning: Unqualified SFP+ module detected,"
			     " Port %d from %s part number %s\n",
		    params->port, vendor_name, vendor_pn);
Y
Yaniv Rosner 已提交
4097
	phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4098
	return -EINVAL;
Y
Yaniv Rosner 已提交
4099
}
4100

Y
Yaniv Rosner 已提交
4101 4102
static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						struct link_params *params)
4103

E
Eilon Greenstein 已提交
4104
{
Y
Yaniv Rosner 已提交
4105
	u8 val;
E
Eilon Greenstein 已提交
4106
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120
	u16 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 (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
		    == 0) {
			DP(NETIF_MSG_LINK, "SFP+ module initialization "
				     "took %d ms\n", timeout * 5);
			return 0;
		}
		msleep(5);
	}
	return -EINVAL;
}
E
Eilon Greenstein 已提交
4121

Y
Yaniv Rosner 已提交
4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135
static void bnx2x_8727_power_module(struct bnx2x *bp,
				    struct bnx2x_phy *phy,
				    u8 is_power_up) {
	/* Make sure GPIOs are not using for LED mode */
	u16 val;
	/*
	 * In the GPIO register, bit 4 is use to detemine 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 )
	*/
E
Eilon Greenstein 已提交
4136

Y
Yaniv Rosner 已提交
4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151
	/*
	 * 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 & FLAGS_NOC)
		return;
	if (!(phy->flags &
	      FLAGS_NOC) && 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 = ((!(is_power_up)) << 1);
E
Eilon Greenstein 已提交
4152

Y
Yaniv Rosner 已提交
4153 4154 4155 4156 4157
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
4158

Y
Yaniv Rosner 已提交
4159 4160 4161 4162 4163
static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
				       u16 edc_mode)
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
4164

Y
Yaniv Rosner 已提交
4165 4166 4167 4168 4169 4170 4171 4172 4173 4174
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2,
		      &cur_limiting_mode);
	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
		 cur_limiting_mode);

	if (edc_mode == EDC_MODE_LIMITING) {
		DP(NETIF_MSG_LINK,
			 "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
4175
		bnx2x_cl45_write(bp, phy,
4176
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
4177 4178 4179
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
4180

Y
Yaniv Rosner 已提交
4181
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
4182

Y
Yaniv Rosner 已提交
4183 4184 4185 4186 4187
		/* Changing to LRM mode takes quite few seconds.
		So do it only if current mode is limiting
		( default is LRM )*/
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
4188

Y
Yaniv Rosner 已提交
4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_LRM_MODE,
			       0);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_ROM_VER2,
			       0x128);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_MISC_CTRL0,
			       0x4008);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_LRM_MODE,
			       0xaaaa);
E
Eilon Greenstein 已提交
4205
	}
Y
Yaniv Rosner 已提交
4206
	return 0;
E
Eilon Greenstein 已提交
4207 4208
}

Y
Yaniv Rosner 已提交
4209 4210 4211
static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
4212
{
Y
Yaniv Rosner 已提交
4213 4214
	u16 phy_identifier;
	u16 rom_ver2_val;
4215
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4216 4217 4218
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       &phy_identifier);
Y
Yaniv Rosner 已提交
4219

Y
Yaniv Rosner 已提交
4220 4221 4222 4223
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
4224

4225
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4226 4227 4228 4229 4230 4231 4232 4233
		      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 */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_ROM_VER2,
		       (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
4234

Y
Yaniv Rosner 已提交
4235 4236 4237 4238
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
4239

Y
Yaniv Rosner 已提交
4240
	return 0;
Y
Yaniv Rosner 已提交
4241
}
Y
Yaniv Rosner 已提交
4242

Y
Yaniv Rosner 已提交
4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263
static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
				     struct link_params *params,
				     u32 action)
{
	struct bnx2x *bp = params->bp;

	switch (action) {
	case DISABLE_TX:
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
		break;
	case ENABLE_TX:
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
		break;
	default:
		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

Y
Yaniv Rosner 已提交
4264 4265
static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
4266 4267
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4268 4269
	u16 edc_mode;
	u8 rc = 0;
Y
Yaniv Rosner 已提交
4270

Y
Yaniv Rosner 已提交
4271 4272 4273
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
4274

Y
Yaniv Rosner 已提交
4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);

	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
		return -EINVAL;
	} else if (bnx2x_verify_sfp_module(phy, params) !=
		   0) {
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				  MISC_REGISTERS_GPIO_HIGH,
				  params->port);
		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
		    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
			/* Shutdown SFP+ module */
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
			bnx2x_8727_power_module(bp, phy, 0);
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
		DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n");
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
					  MISC_REGISTERS_GPIO_LOW,
					  params->port);
4304
	}
Y
Yaniv Rosner 已提交
4305

Y
Yaniv Rosner 已提交
4306 4307 4308
	/* power up the SFP module */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		bnx2x_8727_power_module(bp, phy, 1);
4309

Y
Yaniv Rosner 已提交
4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325
	/* Check and set limiting mode / LRM mode on 8726.
	On 8727 it is done automatically */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
	else
		bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
	/*
	 * Enable transmit for this module if the module is approved, or
	 * if unapproved modules should also enable the Tx laser
	 */
	if (rc == 0 ||
	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
	else
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
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	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
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{
	struct bnx2x *bp = params->bp;
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	struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
	u32 gpio_val;
	u8 port = params->port;
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	/* Set valid module led off */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
			  MISC_REGISTERS_GPIO_HIGH,
			  params->port);
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	/* Get current gpio val refelecting module plugged in / out*/
	gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
4344

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	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
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		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
				   port);
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		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
	} else {
		u32 val = REG_RD(bp, params->shmem_base +
				     offsetof(struct shmem_region, dev_info.
					      port_feature_config[params->port].
					      config));
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		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
				   port);
		/* Module was plugged out. */
		/* Disable transmit for this module */
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
4370
	}
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}
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4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384
/******************************************************************/
/*		common BCM8706/BCM8726 PHY SECTION		  */
/******************************************************************/
static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
{
	u8 link_up = 0;
	u16 val1, val2, rx_sd, pcs_status;
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
	/* Clear RX Alarm*/
4385
	bnx2x_cl45_read(bp, phy,
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			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
	/* clear LASI indication*/
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
4393 4394

	bnx2x_cl45_read(bp, phy,
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			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
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	DP(NETIF_MSG_LINK, "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 = SPEED_1000;
		else
			vars->line_speed = SPEED_10000;
4415
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
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	}
4417
	return link_up;
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}
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/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
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				 struct link_params *params,
				 struct link_vars *vars)
{
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	u16 cnt, val;
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	struct bnx2x *bp = params->bp;
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	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
	bnx2x_wait_reset_complete(bp, phy);
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	/* Wait until fw is loaded */
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
		if (val)
			break;
		msleep(10);
	}
	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		u8 i;
		u16 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);
			bnx2x_cl45_read(bp, 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);
			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
				   " reg 0x%x <-- val 0x%x\n", reg, val);
			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
		}
	}
	/* Force speed */
	if (phy->req_line_speed == SPEED_10000) {
		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
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		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
	} else {
		/* Force 1Gbps using autoneg with 1G advertisment */
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		/* Allow CL37 through CL73 */
		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
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		/* Enable Full-Duplex advertisment on CL37 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
		/* Enable CL37 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		/* 1G support */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
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4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x0400);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
	return 0;
}
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4504 4505 4506 4507 4508 4509
static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
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4511 4512 4513 4514 4515 4516 4517 4518 4519 4520
/******************************************************************/
/*			BCM8726 PHY SECTION			  */
/******************************************************************/
static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
}
4521

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static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
					 struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	/* Need to wait 100ms after reset */
	msleep(100);
4528

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4529 4530 4531
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
4532

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4533 4534 4535 4536 4537
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
4538

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4539 4540 4541
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0001);
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4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);

	/* wait for 150ms for microcode load */
	msleep(150);

	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0000);

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
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4558 4559
}

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4560
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
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4561 4562 4563 4564
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
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4565 4566
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
4567 4568
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
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4569 4570 4571 4572 4573 4574 4575
				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				&val1);
		if (val1 & (1<<15)) {
			DP(NETIF_MSG_LINK, "Tx is disabled\n");
			link_up = 0;
			vars->line_speed = 0;
		}
4576 4577
	}
	return link_up;
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4578 4579
}

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4580 4581 4582 4583

static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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4584 4585
{
	struct bnx2x *bp = params->bp;
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4586 4587 4588 4589 4590 4591
	u32 val;
	u32 swap_val, swap_override, aeu_gpio_mask, offset;
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
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4592

Y
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4593 4594
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
4595

Y
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4596 4597
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	bnx2x_wait_reset_complete(bp, phy);
4598

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4599
	bnx2x_8726_external_rom_boot(phy, params);
4600

Y
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4601 4602 4603 4604 4605 4606
	/* 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 */
	bnx2x_sfp_module_detection(phy, params);
4607

Y
Yaniv Rosner 已提交
4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643 4644
	if (phy->req_line_speed == SPEED_1000) {
		DP(NETIF_MSG_LINK, "Setting 1G force\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x400);
	} else if ((phy->req_line_speed == 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)) {
		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
		/* Set Flow control */
		bnx2x_ext_phy_set_pause(params, phy, vars);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		bnx2x_cl45_write(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		/* Enable RX-ALARM control to receive
		interrupt for 1G speed change */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x400);
4645

Y
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4646 4647 4648
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
4649 4650
	}

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4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
			 "TX_CTRL2 0x%x\n",
			 phy->tx_preemphasis[0],
			 phy->tx_preemphasis[1]);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL1,
				 phy->tx_preemphasis[0]);
4662

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4663 4664 4665 4666 4667
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
4668

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4669 4670 4671
	/* Set GPIO3 to trigger SFP+ module insertion/removal */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			    MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
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4673 4674 4675
	/* The GPIO should be swapped if the swap register is set and active */
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
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4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687
	/* Select function upon port-swap configuration */
	if (params->port == 0) {
		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
		aeu_gpio_mask = (swap_val && swap_override) ?
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
	} else {
		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
		aeu_gpio_mask = (swap_val && swap_override) ?
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
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4688
	}
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4689 4690 4691 4692 4693
	val = REG_RD(bp, offset);
	/* add GPIO3 to group */
	val |= aeu_gpio_mask;
	REG_WR(bp, offset, val);
	return 0;
4694

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4695 4696
}

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4697 4698
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
4699
{
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4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
	/* Set serial boot control for external load */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
}

/******************************************************************/
/*			BCM8727 PHY SECTION			  */
/******************************************************************/
4711 4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757

static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 led_mode_bitmask = 0;
	u16 gpio_pins_bitmask = 0;
	u16 val;
	/* Only NOC flavor requires to set the LED specifically */
	if (!(phy->flags & FLAGS_NOC))
		return;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x03;
		break;
	case LED_MODE_ON:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x02;
		break;
	case LED_MODE_OPER:
		led_mode_bitmask = 0x60;
		gpio_pins_bitmask = 0x11;
		break;
	}
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			&val);
	val &= 0xff8f;
	val |= led_mode_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			 val);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_GPIO_CTRL,
			&val);
	val &= 0xffe0;
	val |= gpio_pins_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
Y
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4758 4759 4760 4761 4762 4763 4764
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
	/**
	 * The PHY reset is controlled by GPIO 1. Fake the port number
	 * to cancel the swap done in set_gpio()
4765
	 */
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4766 4767 4768 4769 4770 4771
	struct bnx2x *bp = params->bp;
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
	port = (swap_val && swap_override) ^ 1;
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
4772
}
Y
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4773

Y
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4774 4775 4776
static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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4777
{
Y
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4778 4779 4780
	u16 tmp1, val, mod_abs;
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
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4781
	struct bnx2x *bp = params->bp;
Y
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4782
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
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4783

Y
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4784 4785 4786
	bnx2x_wait_reset_complete(bp, phy);
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
	lasi_ctrl_val = 0x0004;
Y
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4787

Y
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4788 4789 4790 4791 4792
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
			 rx_alarm_ctrl_val);
Y
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4793

Y
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4794 4795
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
Y
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4796

Y
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4797 4798 4799 4800 4801 4802 4803 4804
	/* Initially configure  MOD_ABS to interrupt when
	module is presence( bit 8) */
	bnx2x_cl45_read(bp, 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'.*/
4805 4806 4807
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
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4808 4809
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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4810 4811


Y
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4812 4813 4814 4815
	/* Make MOD_ABS give interrupt on change */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			&val);
	val |= (1<<12);
4816 4817
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
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4818

4819 4820 4821 4822 4823 4824
	/**
	 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
	 * status which reflect SFP+ module over-current
	 */
	if (!(phy->flags & FLAGS_NOC))
		val &= 0xff8f; /* Reset bits 4-6 */
Y
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4825 4826
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
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4827

Y
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4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845
	bnx2x_8727_power_module(bp, phy, 1);

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);

	/* Set option 1G speed */
	if (phy->req_line_speed == SPEED_1000) {
		DP(NETIF_MSG_LINK, "Setting 1G force\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Y
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4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858
		/**
		 * Power down the XAUI until link is up in case of dual-media
		 * and 1G
		 */
		if (DUAL_MEDIA(params)) {
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8727_PCS_GP, &val);
			val |= (3<<10);
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8727_PCS_GP, val);
		}
Y
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4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885
	} else if ((phy->req_line_speed == 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)) {

		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
		bnx2x_cl45_write(bp, 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
		 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
				 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
				 0x0008);
Y
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4886 4887
	}

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4888 4889 4890 4891 4892 4893 4894
	/* Set 2-wire transfer rate of SFP+ module EEPROM
	 * to 100Khz since some DACs(direct attached cables) do
	 * not work at 400Khz.
	 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
			 0xa001);
Y
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4895

Y
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4896 4897 4898 4899 4900 4901 4902 4903 4904
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
			   phy->tx_preemphasis[0],
			   phy->tx_preemphasis[1]);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
				 phy->tx_preemphasis[0]);
Y
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4905

Y
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4906 4907 4908 4909
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
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4910

Y
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4911
	return 0;
Y
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4912 4913
}

Y
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4914 4915
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
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4916 4917
{
	struct bnx2x *bp = params->bp;
Y
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4918 4919 4920 4921 4922 4923 4924 4925 4926
	u16 mod_abs, rx_alarm_status;
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				      port_feature_config[params->port].
				      config));
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
	if (mod_abs & (1<<8)) {
Y
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4927

Y
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4928 4929 4930
		/* Module is absent */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is absent\n");
Y
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4931

Y
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4932 4933 4934 4935 4936 4937
		/* 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'.*/
4938 4939 4940
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
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4941 4942 4943
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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4944

Y
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4945 4946 4947 4948 4949
		/* Clear RX alarm since it stays up as long as
		the mod_abs wasn't changed */
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
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4950

Y
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4951 4952 4953 4954 4955 4956 4957
	} else {
		/* Module is present */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is present\n");
		/* First thing, disable transmitter,
		and if the module is ok, the
		module_detection will enable it*/
Y
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4958

Y
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4959 4960 4961 4962 4963
		/* 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) */
4964 4965 4966
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
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4967
		bnx2x_cl45_write(bp, phy,
Y
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4968 4969
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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4970

Y
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4971 4972 4973 4974 4975 4976 4977
		/* 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 */
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
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4978 4979


Y
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4980 4981 4982 4983 4984 4985 4986 4987
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);

		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Y
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4988
	}
Y
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4989 4990 4991 4992 4993

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
		 rx_alarm_status);
	/* No need to check link status in case of
	module plugged in/out */
Y
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4994 4995
}

Y
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4996 4997 4998 4999
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
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5000 5001
{
	struct bnx2x *bp = params->bp;
Y
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5002 5003
	u8 link_up = 0;
	u16 link_status = 0;
Y
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5004 5005 5006 5007 5008 5009 5010 5011 5012
	u16 rx_alarm_status, lasi_ctrl, val1;

	/* If PHY is not initialized, do not check link status */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
			&lasi_ctrl);
	if (!lasi_ctrl)
		return 0;

Y
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5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082
	/* Check the LASI */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);

	DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);

	/* Clear MSG-OUT */
	bnx2x_cl45_read(bp, 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 & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
		/* Check over-current using 8727 GPIO0 input*/
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
				&val1);

		if ((val1 & (1<<8)) == 0) {
			DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
				       " on port %d\n", params->port);
			netdev_err(bp->dev, "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",
				   params->port);

			/*
			 * Disable all RX_ALARMs except for
			 * mod_abs
			 */
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));

			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
			/* Wait for module_absent_event */
			val1 |= (1<<8);
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
			/* Clear RX alarm */
			bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
			return 0;
		}
	} /* Over current check */

	/* When module absent bit is set, check module */
	if (rx_alarm_status & (1<<5)) {
		bnx2x_8727_handle_mod_abs(phy, params);
		/* Enable all mod_abs and link detection bits */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 ((1<<5) | (1<<2)));
	}
Y
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5083 5084
	DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
	bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Y
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5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113
	/* If transmitter is disabled, ignore false link up indication */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
	if (val1 & (1<<15)) {
		DP(NETIF_MSG_LINK, "Tx is disabled\n");
		return 0;
	}

	bnx2x_cl45_read(bp, 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 = SPEED_10000;
	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
		link_up = 1;
		vars->line_speed = SPEED_1000;
		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
			   params->port);
	} else {
		link_up = 0;
		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
			   params->port);
	}
	if (link_up)
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
Y
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5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131

	if ((DUAL_MEDIA(params)) &&
	    (phy->req_line_speed == SPEED_1000)) {
		bnx2x_cl45_read(bp, 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);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8727_PCS_GP, val1);
	}
Y
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5132
	return link_up;
Y
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5133
}
Y
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5134

Y
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5135 5136
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
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5137 5138
{
	struct bnx2x *bp = params->bp;
Y
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5139 5140
	/* Disable Transmitter */
	bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
Y
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5141 5142 5143
	/* Clear LASI */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);

Y
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5144
}
5145

Y
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5146 5147 5148 5149 5150
/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
					   struct link_params *params)
Y
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5151
{
Y
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5152 5153
	u16 val, fw_ver1, fw_ver2, cnt;
	struct bnx2x *bp = params->bp;
Y
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5154

Y
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5155 5156 5157 5158 5159 5160 5161
	/* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
	/* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Y
Yaniv Rosner 已提交
5162

Y
Yaniv Rosner 已提交
5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
		bnx2x_save_spirom_version(bp, params->port, 0,
					  phy->ver_addr);
		return;
	}
Y
Yaniv Rosner 已提交
5175 5176


Y
Yaniv Rosner 已提交
5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191
	/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
		bnx2x_save_spirom_version(bp, params->port, 0,
					  phy->ver_addr);
		return;
Y
Yaniv Rosner 已提交
5192 5193
	}

Y
Yaniv Rosner 已提交
5194 5195 5196 5197
	/* lower 16 bits of the register SPI_FW_STATUS */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
	/* upper 16 bits of register SPI_FW_STATUS */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Y
Yaniv Rosner 已提交
5198

Y
Yaniv Rosner 已提交
5199 5200 5201
	bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
				  phy->ver_addr);
}
Y
Yaniv Rosner 已提交
5202

Y
Yaniv Rosner 已提交
5203 5204
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
5205
{
Y
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5206
	u16 val;
Y
Yaniv Rosner 已提交
5207

Y
Yaniv Rosner 已提交
5208 5209 5210 5211 5212 5213
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
	val &= 0xFE00;
	val |= 0x0092;
5214

Y
Yaniv Rosner 已提交
5215 5216 5217
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
5218

Y
Yaniv Rosner 已提交
5219 5220 5221 5222
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED1_MASK,
			 0x80);
Y
Yaniv Rosner 已提交
5223

Y
Yaniv Rosner 已提交
5224 5225 5226 5227
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED2_MASK,
			 0x18);
Y
Yaniv Rosner 已提交
5228

Y
Yaniv Rosner 已提交
5229 5230 5231 5232
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED3_MASK,
			 0x0040);
Y
Yaniv Rosner 已提交
5233

Y
Yaniv Rosner 已提交
5234 5235 5236 5237
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
5238 5239
}

Y
Yaniv Rosner 已提交
5240
static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
5241 5242
				      struct link_params *params,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
5243
{
5244
	struct bnx2x *bp = params->bp;
Y
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5245 5246 5247 5248
	u16 autoneg_val, an_1000_val, an_10_100_val;
	bnx2x_wait_reset_complete(bp, phy);
	bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
		      1 << NIG_LATCH_BC_ENABLE_MI_INT);
Y
Yaniv Rosner 已提交
5249

Y
Yaniv Rosner 已提交
5250 5251
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
5252

Y
Yaniv Rosner 已提交
5253
	bnx2x_848xx_set_led(bp, phy);
Y
Yaniv Rosner 已提交
5254

Y
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5255 5256 5257 5258
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
5259

Y
Yaniv Rosner 已提交
5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270
	bnx2x_ext_phy_set_pause(params, phy, vars);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_8481_LEGACY_AN_ADV,
			&an_10_100_val);
	bnx2x_cl45_read(bp, 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));
Y
Yaniv Rosner 已提交
5271

Y
Yaniv Rosner 已提交
5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask &
	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->req_line_speed == SPEED_1000)) {
		an_1000_val |= (1<<8);
		autoneg_val |= (1<<9 | 1<<12);
		if (phy->req_duplex == DUPLEX_FULL)
			an_1000_val |= (1<<9);
		DP(NETIF_MSG_LINK, "Advertising 1G\n");
	} else
		an_1000_val &= ~((1<<8) | (1<<9));
Y
Yaniv Rosner 已提交
5283

Y
Yaniv Rosner 已提交
5284 5285 5286
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
5287

Y
Yaniv Rosner 已提交
5288 5289 5290 5291 5292 5293 5294 5295
	/* set 10 speed advertisement */
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask &
	     (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
		an_10_100_val |= (1<<7);
		/* Enable autoneg and restart autoneg for legacy speeds */
		autoneg_val |= (1<<9 | 1<<12);
Y
Yaniv Rosner 已提交
5296

Y
Yaniv Rosner 已提交
5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311
		if (phy->req_duplex == DUPLEX_FULL)
			an_10_100_val |= (1<<8);
		DP(NETIF_MSG_LINK, "Advertising 100M\n");
	}
	/* set 10 speed advertisement */
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	    (phy->speed_cap_mask &
	  (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
	   PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
		an_10_100_val |= (1<<5);
		autoneg_val |= (1<<9 | 1<<12);
		if (phy->req_duplex == DUPLEX_FULL)
			an_10_100_val |= (1<<6);
		DP(NETIF_MSG_LINK, "Advertising 10M\n");
	}
Y
Yaniv Rosner 已提交
5312

Y
Yaniv Rosner 已提交
5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328
	/* Only 10/100 are allowed to work in FORCE mode */
	if (phy->req_line_speed == SPEED_100) {
		autoneg_val |= (1<<13);
		/* Enabled AUTO-MDIX when autoneg is disabled */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
				 (1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
	if (phy->req_line_speed == SPEED_10) {
		/* Enabled AUTO-MDIX when autoneg is disabled */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
				 (1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 10M force\n");
	}
Y
Yaniv Rosner 已提交
5329

Y
Yaniv Rosner 已提交
5330 5331 5332
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
			 an_10_100_val);
Y
Yaniv Rosner 已提交
5333

Y
Yaniv Rosner 已提交
5334 5335
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
5336

Y
Yaniv Rosner 已提交
5337 5338 5339
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
5340

Y
Yaniv Rosner 已提交
5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	    (phy->speed_cap_mask &
	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
		(phy->req_line_speed == SPEED_10000)) {
		DP(NETIF_MSG_LINK, "Advertising 10G\n");
		/* Restart autoneg for 10G*/

		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
				 0x3200);
	} else if (phy->req_line_speed != SPEED_10 &&
		   phy->req_line_speed != SPEED_100) {
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);
Y
Yaniv Rosner 已提交
5357
	}
Y
Yaniv Rosner 已提交
5358 5359 5360 5361
	/* Save spirom version */
	bnx2x_save_848xx_spirom_version(phy, params);

	return 0;
Y
Yaniv Rosner 已提交
5362 5363
}

Y
Yaniv Rosner 已提交
5364 5365 5366
static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
5367 5368
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5369 5370 5371
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
5372

Y
Yaniv Rosner 已提交
5373 5374
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
5375

Y
Yaniv Rosner 已提交
5376 5377 5378
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	return bnx2x_848xx_cmn_config_init(phy, params, vars);
}
Y
Yaniv Rosner 已提交
5379

Y
Yaniv Rosner 已提交
5380 5381 5382 5383 5384
static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
5385
	u8 port = params->port, initialize = 1;
Y
Yaniv Rosner 已提交
5386
	u16 val;
Y
Yaniv Rosner 已提交
5387
	u16 temp;
Y
Yaniv Rosner 已提交
5388 5389
	u32 actual_phy_selection;
	u8 rc = 0;
5390 5391 5392

	/* This is just for MDIO_CTL_REG_84823_MEDIA register. */

Y
Yaniv Rosner 已提交
5393 5394 5395
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
5396
		       port);
Y
Yaniv Rosner 已提交
5397
	msleep(200); /* 100 is not enough */
Y
Yaniv Rosner 已提交
5398

5399 5400
	/* BCM84823 requires that XGXS links up first @ 10G for normal
	behavior */
Y
Yaniv Rosner 已提交
5401 5402
	temp = vars->line_speed;
	vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
5403 5404
	bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
	bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
5405
	vars->line_speed = temp;
Y
Yaniv Rosner 已提交
5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451

	/* Set dual-media configuration according to configuration */

	bnx2x_cl45_read(bp, 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);
	val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
		MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;

	actual_phy_selection = bnx2x_phy_selection(params);

	switch (actual_phy_selection) {
	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
		/* Do nothing. Essentialy 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[EXT_PHY2].req_line_speed == SPEED_1000)
		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;

	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
			 MDIO_CTL_REG_84823_MEDIA, val);
	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
		   params->multi_phy_config, val);

	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
		bnx2x_save_848xx_spirom_version(phy, params);
	return rc;
Y
Yaniv Rosner 已提交
5452
}
Y
Yaniv Rosner 已提交
5453

Y
Yaniv Rosner 已提交
5454 5455 5456 5457 5458 5459 5460
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 val, val1, val2;
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
5461

Y
Yaniv Rosner 已提交
5462 5463 5464 5465 5466 5467 5468 5469
	/* Check 10G-BaseT link status */
	/* Check PMD signal ok */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, 0xFFFA, &val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
5470

Y
Yaniv Rosner 已提交
5471 5472
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
5473
		vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
5474 5475 5476 5477
		link_up = 1;
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
	} else { /* Check Legacy speed link */
		u16 legacy_status, legacy_speed;
Y
Yaniv Rosner 已提交
5478

Y
Yaniv Rosner 已提交
5479 5480 5481 5482
		/* Enable expansion register 0x42 (Operation mode status) */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
Y
Yaniv Rosner 已提交
5483

Y
Yaniv Rosner 已提交
5484 5485 5486 5487 5488
		/* Get legacy speed operation status */
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
				&legacy_status);
Y
Yaniv Rosner 已提交
5489

Y
Yaniv Rosner 已提交
5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502
		DP(NETIF_MSG_LINK, "Legacy speed status"
			     " = 0x%x\n", legacy_status);
		link_up = ((legacy_status & (1<<11)) == (1<<11));
		if (link_up) {
			legacy_speed = (legacy_status & (3<<9));
			if (legacy_speed == (0<<9))
				vars->line_speed = SPEED_10;
			else if (legacy_speed == (1<<9))
				vars->line_speed = SPEED_100;
			else if (legacy_speed == (2<<9))
				vars->line_speed = SPEED_1000;
			else /* Should not happen */
				vars->line_speed = 0;
Y
Yaniv Rosner 已提交
5503

Y
Yaniv Rosner 已提交
5504 5505 5506 5507
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
5508

Y
Yaniv Rosner 已提交
5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526
			DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
				   " is_duplex_full= %d\n", vars->line_speed,
				   (vars->duplex == DUPLEX_FULL));
			/* Check legacy speed AN resolution */
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
					&val);
			if (val & (1<<5))
				vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
			bnx2x_cl45_read(bp, 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;
Y
Yaniv Rosner 已提交
5527 5528
		}
	}
Y
Yaniv Rosner 已提交
5529 5530 5531 5532 5533
	if (link_up) {
		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
E
Eilon Greenstein 已提交
5534

Y
Yaniv Rosner 已提交
5535
	return link_up;
Y
Yaniv Rosner 已提交
5536 5537
}

Y
Yaniv Rosner 已提交
5538
static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
5539
{
Y
Yaniv Rosner 已提交
5540 5541 5542 5543 5544
	u8 status = 0;
	u32 spirom_ver;
	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
	status = bnx2x_format_ver(spirom_ver, str, len);
	return status;
Y
Yaniv Rosner 已提交
5545
}
Y
Yaniv Rosner 已提交
5546 5547 5548

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
5549
{
Y
Yaniv Rosner 已提交
5550 5551 5552 5553
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
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}
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static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
{
	bnx2x_cl45_write(params->bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
	bnx2x_cl45_write(params->bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
}

static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
				   struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    port);
}

5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
				     struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 val;

	switch (mode) {
	case LED_MODE_OFF:

		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port);

		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
		    SHARED_HW_CFG_LED_EXTPHY1) {

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED1_MASK,
					0x0);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED2_MASK,
					0x0);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED3_MASK,
					0x0);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED5_MASK,
					0x0);

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
		}
		break;
	case LED_MODE_FRONT_PANEL_OFF:

		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
		   params->port);

		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
		    SHARED_HW_CFG_LED_EXTPHY1) {

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED1_MASK,
					0x0);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED2_MASK,
					0x0);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED3_MASK,
					0x0);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED5_MASK,
					0x20);

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
		}
		break;
	case LED_MODE_ON:

		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port);

		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
		    SHARED_HW_CFG_LED_EXTPHY1) {
			/* Set control reg */
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LINK_SIGNAL,
					&val);
			val &= 0x8000;
			val |= 0x2492;

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LINK_SIGNAL,
					val);

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED1_MASK,
					0x0);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED2_MASK,
					0x20);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED3_MASK,
					0x20);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED5_MASK,
					0x0);
		} else {
			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED1_MASK,
					0x20);
		}
		break;

	case LED_MODE_OPER:

		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port);

		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
		    SHARED_HW_CFG_LED_EXTPHY1) {

			/* Set control reg */
			bnx2x_cl45_read(bp, 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)){
				DP(NETIF_MSG_LINK, "Seting LINK_SIGNAL\n");
				bnx2x_cl45_write(bp, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_LINK_SIGNAL,
						 0xa492);
			}

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED1_MASK,
					0x10);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED2_MASK,
					0x80);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED3_MASK,
					0x98);

			bnx2x_cl45_write(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LED5_MASK,
					0x40);

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
		}
		break;
	}
}
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/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
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{
	struct bnx2x *bp = params->bp;
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	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
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}

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static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
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{
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	u16 fw_ver1, fw_ver2, val;
Y
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	struct bnx2x *bp = params->bp;
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5771
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
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5772

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5773 5774 5775 5776 5777 5778
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_wait_reset_complete(bp, phy);
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5780 5781 5782 5783 5784
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
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	bnx2x_ext_phy_set_pause(params, phy, vars);
	/* Restart autoneg */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
	val |= 0x200;
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
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	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
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	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
	bnx2x_save_spirom_version(bp, params->port,
				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
	return 0;
}
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static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
5808 5809
{
	struct bnx2x *bp = params->bp;
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	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
		   val2, val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "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) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
			   val2, (val2 & (1<<14)));
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
	return link_up;
}
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static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
{
	if (*len < 5)
		return -EINVAL;
	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;
5852 5853 5854
	return 0;
}

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void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
5856
{
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	u16 val, cnt;
5858

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	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_7101_RESET, &val);
5862

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5863 5864 5865 5866 5867 5868 5869 5870 5871 5872 5873
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_7101_RESET,
			       (val | (1<<15)));
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_7101_RESET, &val);
5874

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		if ((val & (1<<15)) == 0)
			break;
5877 5878
	}
}
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static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	/* Low power mode is controlled by GPIO 2 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
}
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5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912
static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	u16 val = 0;
	struct bnx2x *bp = params->bp;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		val = 2;
		break;
	case LED_MODE_ON:
		val = 1;
		break;
	case LED_MODE_OPER:
		val = 0;
		break;
	}
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
			 val);
}

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/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
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static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= 0,
	.media_type	= 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,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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5942
};
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5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= 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)bnx2x_init_serdes,
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};
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static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= 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)bnx2x_init_xgxs,
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= 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)bnx2x_7101_config_init,
	.read_status	= (read_status_t)bnx2x_7101_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_7101_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_7101_hw_reset,
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	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.flags		= FLAGS_HW_LOCK_REQUIRED,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl  = 0,
	.req_line_speed = 0,
	.speed_cap_mask = 0,
	.req_duplex	= 0,
	.rsrv		= 0,
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	.config_init	= (config_init_t)bnx2x_8073_config_init,
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	.read_status	= (read_status_t)bnx2x_8073_read_status,
	.link_reset	= (link_reset_t)bnx2x_8073_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= 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)bnx2x_8705_config_init,
	.read_status	= (read_status_t)bnx2x_8705_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_null_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_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)bnx2x_8706_config_init,
	.read_status	= (read_status_t)bnx2x_8706_read_status,
	.link_reset	= (link_reset_t)bnx2x_common_ext_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};

static struct bnx2x_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
			   FLAGS_INIT_XGXS_FIRST),
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_Autoneg |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_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)bnx2x_8726_config_init,
	.read_status	= (read_status_t)bnx2x_8726_read_status,
	.link_reset	= (link_reset_t)bnx2x_8726_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_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)bnx2x_8727_config_init,
	.read_status	= (read_status_t)bnx2x_8727_read_status,
	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
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	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
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};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
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	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= 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)bnx2x_8481_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
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	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};

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static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
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	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= 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)bnx2x_848x3_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};

/*****************************************************************/
/*                                                               */
/* Populate the phy according. Main function: bnx2x_populate_phy   */
/*                                                               */
/*****************************************************************/

static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
				     struct bnx2x_phy *phy, u8 port,
				     u8 phy_index)
{
	/* Get the 4 lanes xgxs config rx and tx */
	u32 rx = 0, tx = 0, i;
	for (i = 0; i < 2; i++) {
		/**
		 * INT_PHY and EXT_PHY1 share the same value location in the
		 * shmem. When num_phys is greater than 1, than this value
		 * applies only to EXT_PHY1
		 */
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		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
			   dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));

			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
			   dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
			  dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
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			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
			  dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
		}
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		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);
	}
}

static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
				    u8 phy_index, u8 port)
{
	u32 ext_phy_config = 0;
	switch (phy_index) {
	case EXT_PHY1:
		ext_phy_config = REG_RD(bp, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config));
		break;
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	case EXT_PHY2:
		ext_phy_config = REG_RD(bp, shmem_base +
					      offsetof(struct shmem_region,
			dev_info.port_hw_config[port].external_phy_config2));
		break;
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	default:
		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
		return -EINVAL;
	}

	return ext_phy_config;
}
static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				 struct bnx2x_phy *phy)
{
	u32 phy_addr;
	u32 chip_id;
	u32 switch_cfg = (REG_RD(bp, shmem_base +
				       offsetof(struct shmem_region,
			dev_info.port_feature_config[port].link_config)) &
			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
	chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
		phy_addr = REG_RD(bp,
					NIG_REG_SERDES0_CTRL_PHY_ADDR +
					port * 0x10);
		*phy = phy_serdes;
		break;
	case SWITCH_CFG_10G:
		phy_addr = REG_RD(bp,
					NIG_REG_XGXS0_CTRL_PHY_ADDR +
					port * 0x18);
		*phy = phy_xgxs;
		break;
	default:
		DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
		return -EINVAL;
	}
	phy->addr = (u8)phy_addr;
	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
					    port);
	phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;

	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
		   port, phy->addr, phy->mdio_ctrl);

	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
	return 0;
}

static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
				 u8 phy_index,
				 u32 shmem_base,
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				 u32 shmem2_base,
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				 u8 port,
				 struct bnx2x_phy *phy)
{
	u32 ext_phy_config, phy_type, config2;
	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
						  phy_index, port);
	phy_type = 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 |= FLAGS_NOC;
		break;
	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_SFX7101:
		*phy = phy_7101;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		*phy = phy_null;
		return -EINVAL;
	default:
		*phy = phy_null;
		return 0;
	}

	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
	bnx2x_populate_preemphasis(bp, 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(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
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	if (phy_index == EXT_PHY1) {
		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
				port_mb[port].ext_phy_fw_version);
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	/* 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;
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	} else {
		u32 size = REG_RD(bp, shmem2_base);
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		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);
	}
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	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

	/**
	 * In case mdc/mdio_access of the external phy is different than the
	 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
	 * to prevent one port interfere with another port's CL45 operations.
	 */
	if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
		phy->flags |= FLAGS_HW_LOCK_REQUIRED;
	DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
		   phy_type, port, phy_index);
	DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
		   phy->addr, phy->mdio_ctrl);
	return 0;
}

static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
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			     u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
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{
	u8 status = 0;
	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
	if (phy_index == INT_PHY)
		return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
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	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
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					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
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			      u8 phy_index)
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{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
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	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
					 offsetof(struct shmem_region, dev_info.
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
					offsetof(struct shmem_region, dev_info.
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
				offsetof(struct shmem_region, dev_info.
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
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				offsetof(struct shmem_region, dev_info.
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			   port_hw_config[params->port].speed_capability_mask));
	}
	DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
		       " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
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	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 = 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 = SPEED_100;
		break;
	case PORT_FEATURE_LINK_SPEED_1G:
		phy->req_line_speed = SPEED_1000;
		break;
	case PORT_FEATURE_LINK_SPEED_2_5G:
		phy->req_line_speed = SPEED_2500;
		break;
	case PORT_FEATURE_LINK_SPEED_10G_CX4:
		phy->req_line_speed = SPEED_10000;
		break;
	default:
		phy->req_line_speed = SPEED_AUTO_NEG;
		break;
	}

	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
	case PORT_FEATURE_FLOW_CONTROL_AUTO:
		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
		break;
	case PORT_FEATURE_FLOW_CONTROL_TX:
		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
		break;
	case PORT_FEATURE_FLOW_CONTROL_RX:
		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
		break;
	case PORT_FEATURE_FLOW_CONTROL_BOTH:
		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
		break;
	default:
		phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		break;
	}
}

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u32 bnx2x_phy_selection(struct link_params *params)
{
	u32 phy_config_swapped, prio_cfg;
	u32 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;
}


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u8 bnx2x_phy_probe(struct link_params *params)
{
	u8 phy_index, actual_phy_idx, link_cfg_idx;
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	u32 phy_config_swapped;
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	struct bnx2x *bp = params->bp;
	struct bnx2x_phy *phy;
	params->num_phys = 0;
	DP(NETIF_MSG_LINK, "Begin phy probe\n");
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	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
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	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
		actual_phy_idx = phy_index;
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		if (phy_config_swapped) {
			if (phy_index == EXT_PHY1)
				actual_phy_idx = EXT_PHY2;
			else if (phy_index == EXT_PHY2)
				actual_phy_idx = EXT_PHY1;
		}
		DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
			       " actual_phy_idx %x\n", phy_config_swapped,
			   phy_index, actual_phy_idx);
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		phy = &params->phy[actual_phy_idx];
		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
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				       params->shmem2_base, params->port,
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				       phy) != 0) {
			params->num_phys = 0;
			DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
				   phy_index);
			for (phy_index = INT_PHY;
			      phy_index < MAX_PHYS;
			      phy_index++)
				*phy = phy_null;
			return -EINVAL;
		}
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
			break;

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		bnx2x_phy_def_cfg(params, phy, phy_index);
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		params->num_phys++;
	}

	DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
	return 0;
}

u32 bnx2x_supported_attr(struct link_params *params, u8 phy_idx)
{
	if (phy_idx < params->num_phys)
		return params->phy[phy_idx].supported;
	return 0;
}

static void set_phy_vars(struct link_params *params)
{
	struct bnx2x *bp = params->bp;
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	u8 actual_phy_idx, phy_index, link_cfg_idx;
	u8 phy_config_swapped = params->multi_phy_config &
			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
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	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
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		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
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		actual_phy_idx = phy_index;
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		if (phy_config_swapped) {
			if (phy_index == EXT_PHY1)
				actual_phy_idx = EXT_PHY2;
			else if (phy_index == EXT_PHY2)
				actual_phy_idx = EXT_PHY1;
		}
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		params->phy[actual_phy_idx].req_flow_ctrl  =
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			params->req_flow_ctrl[link_cfg_idx];
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		params->phy[actual_phy_idx].req_line_speed =
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			params->req_line_speed[link_cfg_idx];
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		params->phy[actual_phy_idx].speed_cap_mask =
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			params->speed_cap_mask[link_cfg_idx];
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		params->phy[actual_phy_idx].req_duplex =
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			params->req_duplex[link_cfg_idx];
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		DP(NETIF_MSG_LINK, "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);
	}
}

u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
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	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
		   params->req_line_speed[0], params->req_flow_ctrl[0]);
	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
		   params->req_line_speed[1], params->req_flow_ctrl[1]);
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	vars->link_status = 0;
	vars->phy_link_up = 0;
	vars->link_up = 0;
	vars->line_speed = 0;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_NONE;
	vars->phy_flags = 0;

	/* disable attentions */
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));

	bnx2x_emac_init(params, vars);

	if (params->num_phys == 0) {
		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
		return -EINVAL;
	}
	set_phy_vars(params);

	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
	if (CHIP_REV_IS_FPGA(bp)) {

		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
		/* enable on E1.5 FPGA */
		if (CHIP_IS_E1H(bp)) {
			vars->flow_ctrl |=
					(BNX2X_FLOW_CTRL_TX |
					 BNX2X_FLOW_CTRL_RX);
			vars->link_status |=
					(LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
					 LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
		}

		bnx2x_emac_enable(params, vars, 0);
		bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
		/* disable drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);

		/* update shared memory */
		bnx2x_update_mng(params, vars->link_status);

		return 0;

	} else
	if (CHIP_REV_IS_EMUL(bp)) {

		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);

		bnx2x_bmac_enable(params, vars, 0);

		bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
		/* Disable drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
				    + params->port*4, 0);

		/* update shared memory */
		bnx2x_update_mng(params, vars->link_status);

		return 0;

	} else
	if (params->loopback_mode == LOOPBACK_BMAC) {

		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_BMAC;
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Y
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		vars->phy_flags = PHY_XGXS_FLAG;
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Y
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		bnx2x_xgxs_deassert(params);
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6786

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		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
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		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
		    params->port*4, 0);
Y
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Y
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	} else if (params->loopback_mode == LOOPBACK_EMAC) {
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		vars->link_up = 1;
		vars->line_speed = SPEED_1000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_EMAC;
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		vars->phy_flags = PHY_XGXS_FLAG;
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6802

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		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
		    params->port*4, 0);
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Y
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	} else if ((params->loopback_mode == LOOPBACK_XGXS) ||
		   (params->loopback_mode == LOOPBACK_EXT_PHY)) {
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Y
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		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
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		vars->duplex = DUPLEX_FULL;
		if (params->req_line_speed[0] == SPEED_1000) {
			vars->line_speed = SPEED_1000;
			vars->mac_type = MAC_TYPE_EMAC;
		} else {
			vars->line_speed = SPEED_10000;
			vars->mac_type = MAC_TYPE_BMAC;
		}
6823

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		bnx2x_xgxs_deassert(params);
		bnx2x_link_initialize(params, vars);
6826

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		if (params->req_line_speed[0] == SPEED_1000) {
			bnx2x_emac_program(params, vars);
			bnx2x_emac_enable(params, vars, 0);
		} else
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		bnx2x_bmac_enable(params, vars, 0);
6832

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		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
6838

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		} else {
			/* set external phy loopback */
			u8 phy_index;
			for (phy_index = 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(bp, NIG_REG_EGRESS_DRAIN0_MODE +
			    params->port*4, 0);

6854 6855
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, vars->line_speed);
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	} else
	/* No loopback */
	{
		if (params->switch_cfg == SWITCH_CFG_10G)
			bnx2x_xgxs_deassert(params);
		else
			bnx2x_serdes_deassert(bp, params->port);
6863

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		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
	}
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	return 0;
}
Y
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u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		  u8 reset_ext_phy)
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{
	struct bnx2x *bp = params->bp;
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	u8 phy_index, port = params->port;
	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
	/* disable attentions */
	vars->link_status = 0;
	bnx2x_update_mng(params, vars->link_status);
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
		     (NIG_MASK_XGXS0_LINK_STATUS |
		      NIG_MASK_XGXS0_LINK10G |
		      NIG_MASK_SERDES0_LINK_STATUS |
		      NIG_MASK_MI_INT));
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Y
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	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
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	/* disable nig egress interface */
	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
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	/* Stop BigMac rx */
	bnx2x_bmac_rx_disable(bp, port);
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Y
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	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
6897

Y
Yaniv Rosner 已提交
6898 6899 6900 6901 6902
	msleep(10);
	/* The PHY reset is controled by GPIO 1
	 * Hold it as vars low
	 */
	 /* clear link led */
6903 6904
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
6905 6906 6907 6908 6909 6910 6911
	if (reset_ext_phy) {
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
			if (params->phy[phy_index].link_reset)
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
Y
Yaniv Rosner 已提交
6912 6913 6914
		}
	}

Y
Yaniv Rosner 已提交
6915 6916 6917 6918 6919 6920
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
	/* reset BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Y
Yaniv Rosner 已提交
6921

Y
Yaniv Rosner 已提交
6922 6923 6924 6925 6926 6927
	/* disable nig ingress interface */
	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
	vars->link_up = 0;
Y
Yaniv Rosner 已提交
6928 6929 6930
	return 0;
}

Y
Yaniv Rosner 已提交
6931 6932 6933
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
Y
Yaniv Rosner 已提交
6934
static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base, u8 phy_index)
Y
Yaniv Rosner 已提交
6935
{
Y
Yaniv Rosner 已提交
6936 6937
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
6938 6939 6940 6941 6942 6943
	u16 val;
	s8 port;

	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
6944
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
6945 6946 6947 6948 6949
				       port, &phy[port]) !=
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962
		/* disable attentions */
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
			     (NIG_MASK_XGXS0_LINK_STATUS |
			      NIG_MASK_XGXS0_LINK10G |
			      NIG_MASK_SERDES0_LINK_STATUS |
			      NIG_MASK_MI_INT));

		/* Need to take the phy out of low power mode in order
			to write to access its registers */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
				  MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);

		/* Reset the phy */
Y
Yaniv Rosner 已提交
6963
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
6964 6965 6966 6967 6968 6969 6970 6971
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_CTRL,
			       1<<15);
	}

	/* Add delay of 150ms after reset */
	msleep(150);

Y
Yaniv Rosner 已提交
6972 6973 6974 6975 6976 6977 6978 6979
	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]);
	}

Y
Yaniv Rosner 已提交
6980 6981 6982 6983
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		u16 fw_ver1;

Y
Yaniv Rosner 已提交
6984
		bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
6985
						  port);
Y
Yaniv Rosner 已提交
6986

Y
Yaniv Rosner 已提交
6987
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
6988 6989
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6990
		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
Y
Yaniv Rosner 已提交
6991
			DP(NETIF_MSG_LINK,
6992 6993 6994
				 "bnx2x_8073_common_init_phy port %x:"
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
Y
Yaniv Rosner 已提交
6995 6996 6997 6998
			return -EINVAL;
		}

		/* Only set bit 10 = 1 (Tx power down) */
Y
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6999
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7000 7001 7002 7003
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_TX_POWER_DOWN, &val);

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
7004
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_TX_POWER_DOWN,
			       (val | 1<<10));
	}

	/* Toggle Transmitter: Power down and then up with 600ms
	   delay between */
	msleep(600);

	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
E
Eilon Greenstein 已提交
7016
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
7017
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
7018
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7019 7020 7021
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_TX_POWER_DOWN, &val);

Y
Yaniv Rosner 已提交
7022
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7023 7024 7025 7026 7027
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
7028
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7029 7030
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
7031
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7032 7033 7034 7035 7036 7037 7038 7039 7040 7041
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
				  MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
	}
	return 0;
}

Y
Yaniv Rosner 已提交
7042 7043
static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, u32 shmem_base,
				     u32 shmem2_base, u8 phy_index)
Y
Yaniv Rosner 已提交
7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058
{
	u32 val;
	s8 port;
	struct bnx2x_phy phy;
	/* Use port1 because of the static port-swap */
	/* Enable the module detection interrupt */
	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
	val |= ((1<<MISC_REGISTERS_GPIO_3)|
		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);

	bnx2x_ext_phy_hw_reset(bp, 1);
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7059
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077 7078
				       port, &phy) !=
		    0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}

		/* Reset phy*/
		bnx2x_cl45_write(bp, &phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);


		/* Set fault module detected LED on */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				  MISC_REGISTERS_GPIO_HIGH,
				  port);
	}

	return 0;
}
Y
Yaniv Rosner 已提交
7079 7080
static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, u32 shmem_base,
				     u32 shmem2_base, u8 phy_index)
E
Eilon Greenstein 已提交
7081
{
Y
Yaniv Rosner 已提交
7082
	s8 port;
E
Eilon Greenstein 已提交
7083
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
7084 7085
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
E
Eilon Greenstein 已提交
7086 7087 7088 7089
	DP(NETIF_MSG_LINK, "Executing BCM8727 common init\n");
	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);

Y
Yaniv Rosner 已提交
7090
	port = 1;
E
Eilon Greenstein 已提交
7091

Y
Yaniv Rosner 已提交
7092 7093 7094 7095 7096 7097
	bnx2x_ext_phy_hw_reset(bp, port ^ (swap_val && swap_override));

	/* Calculate the port based on port swap */
	port ^= (swap_val && swap_override);

	msleep(5);
E
Eilon Greenstein 已提交
7098

E
Eilon Greenstein 已提交
7099
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
7100
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
E
Eilon Greenstein 已提交
7101
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7102
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
7103 7104 7105 7106 7107
				       port, &phy[port]) !=
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
7108 7109 7110 7111 7112 7113 7114 7115 7116
		/* disable attentions */
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
			     (NIG_MASK_XGXS0_LINK_STATUS |
			      NIG_MASK_XGXS0_LINK10G |
			      NIG_MASK_SERDES0_LINK_STATUS |
			      NIG_MASK_MI_INT));


		/* Reset the phy */
Y
Yaniv Rosner 已提交
7117
		bnx2x_cl45_write(bp, &phy[port],
E
Eilon Greenstein 已提交
7118 7119 7120 7121 7122 7123 7124
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_CTRL,
			       1<<15);
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
7125 7126 7127 7128 7129 7130 7131
	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]);
	}
E
Eilon Greenstein 已提交
7132
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
7133
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
E
Eilon Greenstein 已提交
7134 7135
		u16 fw_ver1;

Y
Yaniv Rosner 已提交
7136
		bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
7137
						  port);
Y
Yaniv Rosner 已提交
7138
		bnx2x_cl45_read(bp, phy_blk[port],
E
Eilon Greenstein 已提交
7139 7140 7141 7142
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
			DP(NETIF_MSG_LINK,
E
Eilon Greenstein 已提交
7143
				 "bnx2x_8727_common_init_phy port %x:"
E
Eilon Greenstein 已提交
7144 7145 7146 7147 7148 7149 7150 7151 7152
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
			return -EINVAL;
		}
	}

	return 0;
}

Y
Yaniv Rosner 已提交
7153 7154 7155
static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base,
				    u32 shmem2_base, u8 phy_index,
				    u32 ext_phy_type)
Y
Yaniv Rosner 已提交
7156 7157 7158 7159 7160
{
	u8 rc = 0;

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Y
Yaniv Rosner 已提交
7161 7162
		rc = bnx2x_8073_common_init_phy(bp, shmem_base,
						shmem2_base, phy_index);
Y
Yaniv Rosner 已提交
7163
		break;
E
Eilon Greenstein 已提交
7164 7165 7166

	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Y
Yaniv Rosner 已提交
7167 7168
		rc = bnx2x_8727_common_init_phy(bp, shmem_base,
						shmem2_base, phy_index);
E
Eilon Greenstein 已提交
7169 7170
		break;

E
Eilon Greenstein 已提交
7171 7172 7173
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		/* GPIO1 affects both ports, so there's need to pull
		it for single port alone */
Y
Yaniv Rosner 已提交
7174 7175 7176 7177 7178
		rc = bnx2x_8726_common_init_phy(bp, shmem_base,
						shmem2_base, phy_index);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
7179
		break;
Y
Yaniv Rosner 已提交
7180 7181 7182 7183 7184 7185 7186 7187 7188 7189
	default:
		DP(NETIF_MSG_LINK,
			 "bnx2x_common_init_phy: ext_phy 0x%x not required\n",
			 ext_phy_type);
		break;
	}

	return rc;
}

Y
Yaniv Rosner 已提交
7190 7191 7192 7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210 7211 7212 7213
u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base,
			 u32 shmem2_base)
{
	u8 rc = 0;
	u8 phy_index;
	u32 ext_phy_type, ext_phy_config;
	DP(NETIF_MSG_LINK, "Begin common phy init\n");

	if (CHIP_REV_IS_EMUL(bp))
		return 0;

	/* Read the ext_phy_type for arbitrary port(0) */
	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
	      phy_index++) {
		ext_phy_config = bnx2x_get_ext_phy_config(bp,
							  shmem_base,
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
		rc |= bnx2x_ext_phy_common_init(bp, shmem_base,
						shmem2_base,
						phy_index, ext_phy_type);
	}
	return rc;
}
7214

Y
Yaniv Rosner 已提交
7215
u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
7216 7217 7218 7219 7220
{
	u8 phy_index;
	struct bnx2x_phy phy;
	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
Y
Yaniv Rosner 已提交
7221
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
7222 7223 7224 7225 7226 7227 7228 7229 7230 7231 7232 7233 7234
				       0, &phy) != 0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return 0;
		}

		if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
			return 1;
	}
	return 0;
}

u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
			     u32 shmem_base,
Y
Yaniv Rosner 已提交
7235
			     u32 shmem2_base,
7236 7237 7238 7239 7240 7241
			     u8 port)
{
	u8 phy_index, fan_failure_det_req = 0;
	struct bnx2x_phy phy;
	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
	      phy_index++) {
Y
Yaniv Rosner 已提交
7242
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266
				       port, &phy)
		    != 0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return 0;
		}
		fan_failure_det_req |= (phy.flags &
					FLAGS_FAN_FAILURE_DET_REQ);
	}
	return fan_failure_det_req;
}

void bnx2x_hw_reset_phy(struct link_params *params)
{
	u8 phy_index;
	for (phy_index = EXT_PHY1; phy_index < 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;
		}
	}
}