bnx2x_link.c 190.1 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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		DEFAULT_PHY_DEV_ADDR, \
		(_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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		DEFAULT_PHY_DEV_ADDR, \
		(_bank + (_addr & 0xf)), \
		_val)

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static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
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{
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	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
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	/* Set Clause 22 */
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	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
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	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 */
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	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
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}
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static void bnx2x_set_phy_mdio(struct link_params *params, u8 phy_flags)
{
	struct bnx2x *bp = params->bp;
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	if (phy_flags & PHY_XGXS_FLAG) {
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST +
			   params->port*0x18, 0);
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
			   DEFAULT_PHY_DEV_ADDR);
	} else {
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		bnx2x_set_serdes_access(bp, params->port);
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		REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD +
			   params->port*0x10,
			   DEFAULT_PHY_DEV_ADDR);
	}
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}

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;
455
	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;
481
	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;
518
	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_phy_deassert(struct link_params *params, u8 phy_flags)
{
	struct bnx2x *bp = params->bp;
	u32 val;

	if (phy_flags & PHY_XGXS_FLAG) {
		DP(NETIF_MSG_LINK, "bnx2x_phy_deassert:XGXS\n");
		val = XGXS_RESET_BITS;

	} else { /* SerDes */
		DP(NETIF_MSG_LINK, "bnx2x_phy_deassert:SerDes\n");
		val = SERDES_RESET_BITS;
	}

	val = val << (params->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);
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	bnx2x_set_phy_mdio(params, phy_flags);
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}

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;

	if (params->switch_cfg ==  SWITCH_CFG_1G)
		vars->phy_flags = PHY_SERDES_FLAG;
	else
		vars->phy_flags = PHY_XGXS_FLAG;
	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;
		}

		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
638
			vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
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		else
640
			vars->flow_ctrl &= ~BNX2X_FLOW_CTRL_TX;
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		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
643
			vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
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		else
645
			vars->flow_ctrl &= ~BNX2X_FLOW_CTRL_RX;
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		if (vars->phy_flags & PHY_XGXS_FLAG) {
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			if (vars->line_speed &&
			    ((vars->line_speed == SPEED_10) ||
			     (vars->line_speed == SPEED_100))) {
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				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;
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		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
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		/* 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_update_mng(struct link_params *params, u32 link_status)
{
	struct bnx2x *bp = params->bp;
691

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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];
703
	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;
	}

750
	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 ext_phy_type, u8 port)
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{
	u32 emac_base;
807

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	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
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	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
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	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
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		/* All MDC/MDIO is directed through single EMAC */
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
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		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
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		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
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		break;
	default:
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		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
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		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
	 */
E
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Y
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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);
Y
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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)
Y
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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
	 */
E
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Y
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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 |
Y
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			     EMAC_MDIO_MODE_CLOCK_CNT));
	val |= (EMAC_MDIO_MODE_CLAUSE_45 |
912
		(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 */
Y
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918
	val = ((phy->addr << 21) | (devad << 16) | reg |
Y
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919 920
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
Y
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921
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
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922 923 924 925

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

Y
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926
		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Y
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927 928 929 930 931 932 933 934 935 936 937 938 939
		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 */
Y
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940
		val = ((phy->addr << 21) | (devad << 16) |
Y
Yaniv Rosner 已提交
941 942
		       EMAC_MDIO_COMM_COMMAND_READ_45 |
		       EMAC_MDIO_COMM_START_BUSY);
Y
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943
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
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944 945 946 947

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

Y
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948
			val = REG_RD(bp, phy->mdio_ctrl +
Y
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949 950 951 952 953 954 955 956 957 958 959 960 961 962 963
					  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 */
Y
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964
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Y
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965 966 967 968

	return rc;
}

Y
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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
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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1005
static void bnx2x_set_aer_mmd(struct link_params *params,
Y
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1006
			      struct bnx2x_phy *phy)
Y
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1007 1008 1009 1010 1011 1012 1013 1014 1015
{
	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);

Y
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1016 1017
	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
		(phy->addr + ser_lane) : 0;
Y
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1018

Y
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1019
	CL45_WR_OVER_CL22(bp, phy,
Y
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1020 1021 1022 1023
			      MDIO_REG_BANK_AER_BLOCK,
			      MDIO_AER_BLOCK_AER_REG, 0x3800 + offset);
}

Y
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1024 1025
static void bnx2x_set_master_ln(struct link_params *params,
				struct bnx2x_phy *phy)
Y
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1026 1027 1028 1029 1030 1031 1032 1033
{
	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 */
Y
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1034
	CL45_RD_OVER_CL22(bp, phy,
Y
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1035 1036 1037 1038
			      MDIO_REG_BANK_XGXS_BLOCK2,
			      MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			      &new_master_ln);

Y
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1039
	CL45_WR_OVER_CL22(bp, phy,
Y
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1040 1041 1042 1043 1044
			      MDIO_REG_BANK_XGXS_BLOCK2 ,
			      MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			      (new_master_ln | ser_lane));
}

Y
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1045 1046 1047
static u8 bnx2x_reset_unicore(struct link_params *params,
			      struct bnx2x_phy *phy,
			      u8 set_serdes)
Y
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1048 1049 1050 1051 1052
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;

Y
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1053
	CL45_RD_OVER_CL22(bp, phy,
Y
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1054 1055 1056 1057
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);

	/* reset the unicore */
Y
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1058
	CL45_WR_OVER_CL22(bp, phy,
Y
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1059 1060 1061 1062
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL,
			      (mii_control |
			       MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Y
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1063 1064
	if (set_serdes)
		bnx2x_set_serdes_access(bp, params->port);
E
Eilon Greenstein 已提交
1065

Y
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1066 1067 1068 1069 1070
	/* wait for the reset to self clear */
	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
		udelay(5);

		/* the reset erased the previous bank value */
Y
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1071
		CL45_RD_OVER_CL22(bp, phy,
Y
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1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086
			      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;
		}
	}

	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

Y
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1087 1088
static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
Y
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1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105
{
	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) {
Y
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1106
		CL45_WR_OVER_CL22(bp, phy,
Y
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1107 1108 1109 1110 1111 1112
				    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 {
Y
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1113
		CL45_WR_OVER_CL22(bp, phy,
Y
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1114 1115 1116 1117 1118
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
	}

	if (tx_lane_swap != 0x1b) {
Y
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1119
		CL45_WR_OVER_CL22(bp, phy,
Y
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1120 1121 1122 1123 1124
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				      (tx_lane_swap |
				       MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
	} else {
Y
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1125
		CL45_WR_OVER_CL22(bp, phy,
Y
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1126 1127 1128 1129 1130
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
	}
}

Y
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1131 1132
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
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1133 1134 1135
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
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1136
	CL45_RD_OVER_CL22(bp, phy,
Y
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1137 1138 1139
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			      &control2);
Y
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1140 1141 1142 1143 1144 1145
	if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	DP(NETIF_MSG_LINK, "params->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		params->speed_cap_mask, control2);
Y
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1146
	CL45_WR_OVER_CL22(bp, phy,
Y
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1147 1148 1149 1150
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			      control2);

Y
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1151
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Y
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1152 1153
	     (params->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
1154 1155
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
1156
		CL45_WR_OVER_CL22(bp, phy,
Y
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1157 1158 1159 1160
				MDIO_REG_BANK_10G_PARALLEL_DETECT,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);

Y
Yaniv Rosner 已提交
1161
		CL45_RD_OVER_CL22(bp, phy,
Y
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1162 1163 1164 1165 1166 1167 1168 1169
				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;

Y
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1170
		CL45_WR_OVER_CL22(bp, phy,
Y
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1171 1172 1173 1174 1175
				MDIO_REG_BANK_10G_PARALLEL_DETECT,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				control2);

		/* Disable parallel detection of HiG */
Y
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1176
		CL45_WR_OVER_CL22(bp, phy,
Y
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1177 1178 1179 1180 1181 1182 1183
				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);
	}
}

Y
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1184 1185
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
1186 1187
			    struct link_vars *vars,
			    u8 enable_cl73)
Y
Yaniv Rosner 已提交
1188 1189 1190 1191 1192
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
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1193
	CL45_RD_OVER_CL22(bp, phy,
Y
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1194 1195 1196 1197
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);

	/* CL37 Autoneg Enabled */
Y
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1198
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
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1199 1200 1201 1202 1203
		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);

Y
Yaniv Rosner 已提交
1204
	CL45_WR_OVER_CL22(bp, phy,
Y
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1205 1206 1207 1208 1209
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);

	/* Enable/Disable Autodetection */

Y
Yaniv Rosner 已提交
1210
	CL45_RD_OVER_CL22(bp, phy,
Y
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1211 1212
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
1213 1214 1215
	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;
Y
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1216
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
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1217 1218 1219 1220
		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
	else
		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;

Y
Yaniv Rosner 已提交
1221
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1222 1223 1224 1225
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
1226
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1227 1228 1229
			      MDIO_REG_BANK_BAM_NEXT_PAGE,
			      MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  &reg_val);
Y
Yaniv Rosner 已提交
1230
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
1231 1232 1233 1234 1235 1236 1237 1238
		/* 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);
	}
Y
Yaniv Rosner 已提交
1239
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1240 1241 1242 1243
			      MDIO_REG_BANK_BAM_NEXT_PAGE,
			      MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			      reg_val);

1244 1245
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
1246
		CL45_WR_OVER_CL22(bp, phy,
1247 1248
				      MDIO_REG_BANK_CL73_USERB0,
				    MDIO_CL73_USERB0_CL73_UCTRL,
Y
Yaniv Rosner 已提交
1249
				      0xe);
1250 1251

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
1252
		CL45_WR_OVER_CL22(bp, phy,
1253 1254 1255 1256 1257 1258
			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);

Y
Yaniv Rosner 已提交
1259
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
1260
		CL45_RD_OVER_CL22(bp, phy,
1261 1262 1263
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV2,
					      &reg_val);
Y
Yaniv Rosner 已提交
1264 1265 1266 1267 1268 1269
		if (params->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
		if (params->speed_cap_mask &
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
1270

Y
Yaniv Rosner 已提交
1271
		CL45_WR_OVER_CL22(bp, phy,
1272 1273 1274
				      MDIO_REG_BANK_CL73_IEEEB1,
				      MDIO_CL73_IEEEB1_AN_ADV2,
			      reg_val);
1275 1276 1277 1278 1279 1280

		/* CL73 Autoneg Enabled */
		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;

	} else /* CL73 Autoneg Disabled */
		reg_val = 0;
Y
Yaniv Rosner 已提交
1281

Y
Yaniv Rosner 已提交
1282
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1283 1284 1285 1286 1287
			      MDIO_REG_BANK_CL73_IEEEB0,
			      MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
1288 1289
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
1290
			       struct link_vars *vars)
Y
Yaniv Rosner 已提交
1291 1292 1293 1294
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

1295
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
1296
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1297 1298 1299
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
1300 1301
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Y
Yaniv Rosner 已提交
1302 1303
	if (params->req_duplex == DUPLEX_FULL)
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
1304
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1305 1306 1307 1308 1309
			      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
Yaniv Rosner 已提交
1310
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1311 1312
				      MDIO_REG_BANK_SERDES_DIGITAL,
				      MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
1313 1314 1315 1316 1317 1318 1319 1320 1321 1322
	/* 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))) {

Y
Yaniv Rosner 已提交
1323 1324
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
1325
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
1326 1327
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
1328
		if (vars->line_speed == SPEED_13000)
Y
Yaniv Rosner 已提交
1329 1330
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Y
Yaniv Rosner 已提交
1331 1332
	}

Y
Yaniv Rosner 已提交
1333
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1334 1335
				      MDIO_REG_BANK_SERDES_DIGITAL,
				      MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
1336

Y
Yaniv Rosner 已提交
1337 1338
}

Y
Yaniv Rosner 已提交
1339 1340
static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params)
Y
Yaniv Rosner 已提交
1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
	if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
		val |= MDIO_OVER_1G_UP1_2_5G;
	if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
1352
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1353 1354 1355
			      MDIO_REG_BANK_OVER_1G,
			      MDIO_OVER_1G_UP1, val);

Y
Yaniv Rosner 已提交
1356
	CL45_WR_OVER_CL22(bp, phy,
Y
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1357
			      MDIO_REG_BANK_OVER_1G,
1358
			      MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
1359 1360
}

Y
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1361 1362
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
Y
Yaniv Rosner 已提交
1363
{
1364
	struct bnx2x *bp = params->bp;
Y
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1365
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Y
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1366 1367 1368 1369
	/* resolve pause mode and advertisement
	 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */

	switch (params->req_flow_ctrl) {
1370 1371
	case BNX2X_FLOW_CTRL_AUTO:
		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
Y
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1372
			*ieee_fc |=
Y
Yaniv Rosner 已提交
1373 1374
			     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
		} else {
Y
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1375
			*ieee_fc |=
Y
Yaniv Rosner 已提交
1376 1377 1378
		       MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		}
		break;
1379
	case BNX2X_FLOW_CTRL_TX:
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 1385
	case BNX2X_FLOW_CTRL_RX:
	case BNX2X_FLOW_CTRL_BOTH:
Y
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1386
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Y
Yaniv Rosner 已提交
1387 1388
		break;

1389
	case BNX2X_FLOW_CTRL_NONE:
Y
Yaniv Rosner 已提交
1390
	default:
Y
Yaniv Rosner 已提交
1391
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Y
Yaniv Rosner 已提交
1392 1393
		break;
	}
1394
	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
Y
Yaniv Rosner 已提交
1395
}
Y
Yaniv Rosner 已提交
1396

Y
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1397 1398
static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params,
1399
					   u16 ieee_fc)
Y
Yaniv Rosner 已提交
1400 1401
{
	struct bnx2x *bp = params->bp;
Y
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1402
	u16 val;
Y
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1403
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
1404

Y
Yaniv Rosner 已提交
1405
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1406
			      MDIO_REG_BANK_COMBO_IEEE0,
1407
			      MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
1408
	CL45_RD_OVER_CL22(bp, phy,
Y
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1409 1410 1411 1412
			      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
1413
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1414 1415
			      MDIO_REG_BANK_CL73_IEEEB1,
			      MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
1416 1417
}

Y
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1418 1419 1420
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
1421 1422
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
1423
	u16 mii_control;
1424

Y
Yaniv Rosner 已提交
1425
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
1426
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
1427

1428
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
1429
		CL45_RD_OVER_CL22(bp, phy,
1430 1431 1432 1433
				      MDIO_REG_BANK_CL73_IEEEB0,
				      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				      &mii_control);

Y
Yaniv Rosner 已提交
1434
		CL45_WR_OVER_CL22(bp, phy,
1435 1436 1437 1438 1439 1440 1441
				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
1442
		CL45_RD_OVER_CL22(bp, phy,
1443 1444 1445 1446 1447 1448
				      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
1449
		CL45_WR_OVER_CL22(bp, phy,
1450 1451 1452 1453 1454 1455
				      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
1456 1457
}

Y
Yaniv Rosner 已提交
1458 1459
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
1460
					 struct link_vars *vars)
Y
Yaniv Rosner 已提交
1461 1462 1463 1464 1465 1466
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
1467
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1468 1469 1470 1471 1472 1473 1474 1475
			      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
1476
	CL45_WR_OVER_CL22(bp, phy,
Y
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1477 1478 1479 1480 1481
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			      control1);

	/* if forced speed */
Y
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1482
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
1483 1484 1485
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
1486
		CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1487 1488 1489 1490 1491 1492 1493
				      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
1494
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507
		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
1508 1509
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
1510 1511 1512 1513 1514 1515 1516
			break;
		}

		/* setting the full duplex */
		if (params->req_duplex == DUPLEX_FULL)
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
1517
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1518 1519 1520 1521 1522 1523
				      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
1524
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
1525 1526 1527 1528 1529 1530 1531 1532 1533
	}
}


/*
 * link management
 */

static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Y
Yaniv Rosner 已提交
1534 1535 1536
{						/*  LD	    LP	 */
	switch (pause_result) { 		/* ASYM P ASYM P */
	case 0xb:       			/*   1  0   1  1 */
1537
		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Y
Yaniv Rosner 已提交
1538 1539
		break;

Y
Yaniv Rosner 已提交
1540
	case 0xe:       			/*   1  1   1  0 */
1541
		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Y
Yaniv Rosner 已提交
1542 1543
		break;

Y
Yaniv Rosner 已提交
1544 1545 1546 1547
	case 0x5:       			/*   0  1   0  1 */
	case 0x7:       			/*   0  1   1  1 */
	case 0xd:       			/*   1  1   0  1 */
	case 0xf:       			/*   1  1   1  1 */
1548
		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Y
Yaniv Rosner 已提交
1549 1550 1551 1552 1553 1554 1555
		break;

	default:
		break;
	}
}

Y
Yaniv Rosner 已提交
1556 1557 1558
static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
1559 1560
{
	struct bnx2x *bp = params->bp;
1561 1562 1563
	u16 ld_pause;		/* local */
	u16 lp_pause;		/* link partner */
	u16 an_complete;	/* AN complete */
Y
Yaniv Rosner 已提交
1564 1565 1566 1567
	u16 pause_result;
	u8 ret = 0;
	/* read twice */

Y
Yaniv Rosner 已提交
1568
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
1569 1570
		      MDIO_AN_DEVAD,
		      MDIO_AN_REG_STATUS, &an_complete);
Y
Yaniv Rosner 已提交
1571
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
1572 1573 1574 1575 1576
		      MDIO_AN_DEVAD,
		      MDIO_AN_REG_STATUS, &an_complete);

	if (an_complete & MDIO_AN_REG_STATUS_AN_COMPLETE) {
		ret = 1;
Y
Yaniv Rosner 已提交
1577
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
1578 1579
			      MDIO_AN_DEVAD,
			      MDIO_AN_REG_ADV_PAUSE, &ld_pause);
Y
Yaniv Rosner 已提交
1580
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
1581 1582 1583 1584 1585 1586
			      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;
1587
		DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
Y
Yaniv Rosner 已提交
1588 1589
		   pause_result);
		bnx2x_pause_resolve(vars, pause_result);
1590
		if (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE &&
Y
Yaniv Rosner 已提交
1591 1592
		     phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
1593 1594 1595
				      MDIO_AN_DEVAD,
				      MDIO_AN_REG_CL37_FC_LD, &ld_pause);

Y
Yaniv Rosner 已提交
1596
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
1597 1598 1599 1600 1601 1602 1603 1604
				      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);
1605
			DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
Y
Yaniv Rosner 已提交
1606 1607
				 pause_result);
		}
Y
Yaniv Rosner 已提交
1608 1609 1610 1611
	}
	return ret;
}

Y
Yaniv Rosner 已提交
1612 1613
static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					    struct link_params *params)
1614 1615 1616
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
Y
Yaniv Rosner 已提交
1617
	CL45_RD_OVER_CL22(bp, phy,
1618 1619 1620
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			      &status2_1000x);
Y
Yaniv Rosner 已提交
1621
	CL45_RD_OVER_CL22(bp, phy,
1622 1623 1624 1625 1626 1627 1628 1629 1630
			      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
1631
	CL45_RD_OVER_CL22(bp, phy,
1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642
			      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
1643

Y
Yaniv Rosner 已提交
1644 1645 1646 1647
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
1648 1649
{
	struct bnx2x *bp = params->bp;
1650 1651
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
Y
Yaniv Rosner 已提交
1652 1653
	u16 pause_result;

1654
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
1655 1656

	/* resolve from gp_status in case of AN complete and not sgmii */
1657
	if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Y
Yaniv Rosner 已提交
1658 1659
	    (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
	    (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
Y
Yaniv Rosner 已提交
1660 1661
	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) {
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
1662 1663 1664
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
Y
Yaniv Rosner 已提交
1665 1666 1667 1668 1669 1670
		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
1671
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1672 1673 1674
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV1,
					      &ld_pause);
Y
Yaniv Rosner 已提交
1675
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687
					     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
1688
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1689 1690 1691
					      MDIO_REG_BANK_COMBO_IEEE0,
					      MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
					      &ld_pause);
Y
Yaniv Rosner 已提交
1692
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1693 1694 1695 1696
			       MDIO_REG_BANK_COMBO_IEEE0,
			       MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
			       &lp_pause);
			pause_result = (ld_pause &
Y
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1697
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Y
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1698
			pause_result |= (lp_pause &
Y
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1699
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Y
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1700 1701 1702
			DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
				 pause_result);
		}
Y
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1703
		bnx2x_pause_resolve(vars, pause_result);
1704
	} else if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Y
Yaniv Rosner 已提交
1705
		   (bnx2x_ext_phy_resolve_fc(phy, params, vars))) {
Y
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1706 1707
		return;
	} else {
1708
		if (params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
Y
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1709 1710 1711
			vars->flow_ctrl = params->req_fc_auto_adv;
		else
			vars->flow_ctrl = params->req_flow_ctrl;
Y
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1712 1713 1714 1715
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
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1716 1717
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
1718 1719 1720 1721 1722
{
	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
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1723
	CL45_RD_OVER_CL22(bp, phy,
1724 1725 1726 1727 1728 1729 1730
			      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
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1731
		CL45_WR_OVER_CL22(bp, phy,
1732 1733 1734 1735 1736 1737
				      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
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1738
	CL45_RD_OVER_CL22(bp, phy,
1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752
			      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
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1753
	CL45_RD_OVER_CL22(bp, phy,
1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770
			      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 */
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1771
	CL45_WR_OVER_CL22(bp, phy,
1772 1773 1774 1775
			      MDIO_REG_BANK_CL73_IEEEB0,
			      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			      0);
	/* Restart CL37 autoneg */
Y
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1776
	bnx2x_restart_autoneg(phy, params, 0);
1777 1778
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
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1779 1780 1781
static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
				     struct link_params *params,
				     struct link_vars *vars)
Y
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1782 1783
{
	struct bnx2x *bp = params->bp;
Y
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1784
	u16 new_line_speed , gp_status;
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1785
	u8 rc = 0;
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1786
	u32 ext_phy_type;
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1787 1788 1789 1790 1791 1792
	/* Read gp_status */
	CL45_RD_OVER_CL22(bp, phy,
				MDIO_REG_BANK_GP_STATUS,
				MDIO_GP_STATUS_TOP_AN_STATUS1,
				&gp_status);

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1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804
	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;

Y
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1805 1806
		bnx2x_flow_ctrl_resolve(&params->phy[INT_PHY],
					params, vars, gp_status);
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1807 1808 1809

		switch (gp_status & GP_STATUS_SPEED_MASK) {
		case GP_STATUS_10M:
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1810
			new_line_speed = SPEED_10;
Y
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1811 1812 1813 1814 1815 1816 1817
			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;
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1819 1820 1821 1822 1823 1824 1825 1826
			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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1828 1829 1830 1831 1832 1833 1834
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
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1835
			new_line_speed = SPEED_2500;
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1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847
			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;
1848

Y
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1849 1850 1851
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
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1852
			new_line_speed = SPEED_10000;
Y
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1853 1854 1855 1856
			vars->link_status |= LINK_10GTFD;
			break;

		case GP_STATUS_12G_HIG:
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1857
			new_line_speed = SPEED_12000;
Y
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1858 1859 1860 1861
			vars->link_status |= LINK_12GTFD;
			break;

		case GP_STATUS_12_5G:
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1862
			new_line_speed = SPEED_12500;
Y
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1863 1864 1865 1866
			vars->link_status |= LINK_12_5GTFD;
			break;

		case GP_STATUS_13G:
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1867
			new_line_speed = SPEED_13000;
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1868 1869 1870 1871
			vars->link_status |= LINK_13GTFD;
			break;

		case GP_STATUS_15G:
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1872
			new_line_speed = SPEED_15000;
Y
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1873 1874 1875 1876
			vars->link_status |= LINK_15GTFD;
			break;

		case GP_STATUS_16G:
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1877
			new_line_speed = SPEED_16000;
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1878 1879 1880 1881 1882 1883 1884
			vars->link_status |= LINK_16GTFD;
			break;

		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
				  gp_status);
1885
			return -EINVAL;
Y
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1886 1887
		}

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1888
		vars->line_speed = new_line_speed;
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1889
		vars->link_status |= LINK_STATUS_SERDES_LINK;
Y
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1890
		ext_phy_type = params->phy[EXT_PHY1].type;
1891
		if ((params->req_line_speed == SPEED_AUTO_NEG) &&
Y
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1892
		    ((ext_phy_type ==
1893
		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ||
Y
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1894
		    (ext_phy_type ==
E
Eilon Greenstein 已提交
1895
		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
Y
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1896
		    (ext_phy_type ==
Y
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1897
		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) ||
Y
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1898
		    (ext_phy_type ==
1899
		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726))) {
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1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912
			vars->autoneg = AUTO_NEG_ENABLED;

			if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
				vars->autoneg |= AUTO_NEG_COMPLETE;
				vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
			}

			vars->autoneg |= AUTO_NEG_PARALLEL_DETECTION_USED;
			vars->link_status |=
				LINK_STATUS_PARALLEL_DETECTION_USED;

		}
1913
		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Y
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1914 1915
			vars->link_status |=
				LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
Y
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1916

1917
		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Y
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1918 1919
			vars->link_status |=
				LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Y
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1920

Y
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1921

Y
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1922 1923 1924 1925
	} else { /* link_down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;
1926

Y
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1927
		vars->duplex = DUPLEX_FULL;
1928
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
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1929 1930
		vars->autoneg = AUTO_NEG_DISABLED;
		vars->mac_type = MAC_TYPE_NONE;
1931 1932

		if ((params->req_line_speed == SPEED_AUTO_NEG) &&
Y
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1933
		    (SINGLE_MEDIA_DIRECT(params))) {
1934
			/* Check signal is detected */
Y
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1935 1936
			bnx2x_check_fallback_to_cl37(&params->phy[INT_PHY],
						     params);
1937
		}
Y
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1938 1939
	}

1940
	DP(NETIF_MSG_LINK, "gp_status 0x%x  phy_link_up %x line_speed %x\n",
Y
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1941 1942 1943 1944 1945 1946 1947 1948 1949 1950
		 gp_status, vars->phy_link_up, vars->line_speed);
	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x"
		 " autoneg 0x%x\n",
		 vars->duplex,
		 vars->flow_ctrl, vars->autoneg);
	DP(NETIF_MSG_LINK, "link_status 0x%x\n", vars->link_status);

	return rc;
}

E
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1951
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
1952 1953
{
	struct bnx2x *bp = params->bp;
Y
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1954
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
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1955 1956
	u16 lp_up2;
	u16 tx_driver;
1957
	u16 bank;
Y
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1958 1959

	/* read precomp */
Y
Yaniv Rosner 已提交
1960
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1961 1962 1963 1964 1965 1966 1967 1968
			      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);

1969 1970 1971 1972 1973
	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
Yaniv Rosner 已提交
1974
		CL45_RD_OVER_CL22(bp, phy,
1975 1976 1977 1978 1979 1980 1981 1982
				      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
Yaniv Rosner 已提交
1983
			CL45_WR_OVER_CL22(bp, phy,
1984 1985 1986
					      bank,
					      MDIO_TX0_TX_DRIVER, tx_driver);
		}
Y
Yaniv Rosner 已提交
1987 1988 1989 1990
	}
}

static u8 bnx2x_emac_program(struct link_params *params,
Y
Yaniv Rosner 已提交
1991
			     struct link_vars *vars)
Y
Yaniv Rosner 已提交
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
{
	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
Yaniv Rosner 已提交
2003
	switch (vars->line_speed) {
Y
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2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
	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 */
Y
Yaniv Rosner 已提交
2022 2023
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
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2024 2025 2026
		return -EINVAL;
	}

Y
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2027
	if (vars->duplex == DUPLEX_HALF)
Y
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2028 2029 2030 2031 2032
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
		    GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		    mode);

Y
Yaniv Rosner 已提交
2033
	bnx2x_set_led(params, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
2034 2035 2036
	return 0;
}

Y
Yaniv Rosner 已提交
2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 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
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;
	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
2083

Y
Yaniv Rosner 已提交
2084 2085 2086 2087 2088 2089
	/* setting the masterLn_def again after the reset */
	bnx2x_set_master_ln(params, phy);
	bnx2x_set_swap_lanes(params, phy);

	return rc;
}
Y
Yaniv Rosner 已提交
2090
/*****************************************************************************/
2091
/*      		     External Phy section       		     */
Y
Yaniv Rosner 已提交
2092
/*****************************************************************************/
2093
void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Y
Yaniv Rosner 已提交
2094 2095
{
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2096
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
2097 2098
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2099
		      MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
2100 2101
}

E
Eilon Greenstein 已提交
2102 2103 2104
static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
				    u32 shmem_base, u32 spirom_ver)
{
2105 2106
	DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
E
Eilon Greenstein 已提交
2107 2108 2109 2110 2111 2112 2113
	REG_WR(bp, shmem_base +
		   offsetof(struct shmem_region,
			    port_mb[port].ext_phy_fw_version),
			spirom_ver);
}

static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, u8 port,
Y
Yaniv Rosner 已提交
2114 2115
				      struct bnx2x_phy *phy,
				      u32 shmem_base)
E
Eilon Greenstein 已提交
2116 2117
{
	u16 fw_ver1, fw_ver2;
2118

Y
Yaniv Rosner 已提交
2119
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
2120
		      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
2121
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
2122 2123 2124 2125 2126
		      MDIO_PMA_REG_ROM_VER2, &fw_ver2);
	bnx2x_save_spirom_version(bp, port, shmem_base,
				(u32)(fw_ver1<<16 | fw_ver2));
}

Y
Yaniv Rosner 已提交
2127 2128 2129
static void bnx2x_save_8481_spirom_version(struct bnx2x_phy *phy,
					   struct link_params *params,
					   u32 shmem_base)
2130 2131
{
	u16 val, fw_ver1, fw_ver2, cnt;
Y
Yaniv Rosner 已提交
2132 2133 2134
	struct bnx2x *bp = params->bp;

	/* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
2135
	/* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
Y
Yaniv Rosner 已提交
2136
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
2137
		       0xA819, 0x0014);
Y
Yaniv Rosner 已提交
2138
	bnx2x_cl45_write(bp, phy,
2139 2140 2141
		       MDIO_PMA_DEVAD,
		       0xA81A,
		       0xc200);
Y
Yaniv Rosner 已提交
2142
	bnx2x_cl45_write(bp, phy,
2143 2144 2145
		       MDIO_PMA_DEVAD,
		       0xA81B,
		       0x0000);
Y
Yaniv Rosner 已提交
2146
	bnx2x_cl45_write(bp, phy,
2147 2148 2149
		       MDIO_PMA_DEVAD,
		       0xA81C,
		       0x0300);
Y
Yaniv Rosner 已提交
2150
	bnx2x_cl45_write(bp, phy,
2151 2152 2153 2154 2155
		       MDIO_PMA_DEVAD,
		       0xA817,
		       0x0009);

	for (cnt = 0; cnt < 100; cnt++) {
Y
Yaniv Rosner 已提交
2156
		bnx2x_cl45_read(bp, phy,
2157 2158 2159 2160 2161 2162 2163 2164 2165
			      MDIO_PMA_DEVAD,
			      0xA818,
			      &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 8481 phy fw version(1)\n");
Y
Yaniv Rosner 已提交
2166
		bnx2x_save_spirom_version(bp, params->port,
2167 2168 2169 2170 2171 2172
					shmem_base, 0);
		return;
	}


	/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
Y
Yaniv Rosner 已提交
2173
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
2174
		       0xA819, 0x0000);
Y
Yaniv Rosner 已提交
2175
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
2176
		       0xA81A, 0xc200);
Y
Yaniv Rosner 已提交
2177
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
2178 2179
		       0xA817, 0x000A);
	for (cnt = 0; cnt < 100; cnt++) {
Y
Yaniv Rosner 已提交
2180
		bnx2x_cl45_read(bp, phy,
2181 2182 2183 2184 2185 2186 2187 2188 2189
			      MDIO_PMA_DEVAD,
			      0xA818,
			      &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 8481 phy fw version(2)\n");
Y
Yaniv Rosner 已提交
2190
		bnx2x_save_spirom_version(bp, params->port,
2191 2192 2193 2194 2195
					shmem_base, 0);
		return;
	}

	/* lower 16 bits of the register SPI_FW_STATUS */
Y
Yaniv Rosner 已提交
2196
	bnx2x_cl45_read(bp, phy,
2197 2198 2199 2200
		      MDIO_PMA_DEVAD,
		      0xA81B,
		      &fw_ver1);
	/* upper 16 bits of register SPI_FW_STATUS */
Y
Yaniv Rosner 已提交
2201
	bnx2x_cl45_read(bp, phy,
2202 2203 2204 2205
		      MDIO_PMA_DEVAD,
		      0xA81C,
		      &fw_ver2);

Y
Yaniv Rosner 已提交
2206
	bnx2x_save_spirom_version(bp, params->port,
2207 2208 2209
				shmem_base, (fw_ver2<<16) | fw_ver1);
}

Y
Yaniv Rosner 已提交
2210 2211
static void bnx2x_bcm8072_external_rom_boot(struct bnx2x_phy *phy,
					    struct link_params *params)
Y
Yaniv Rosner 已提交
2212 2213 2214 2215 2216 2217 2218 2219 2220
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;

	/* Need to wait 200ms after reset */
	msleep(200);
	/* Boot port from external ROM
	 * Set ser_boot_ctl bit in the MISC_CTRL1 register
	 */
Y
Yaniv Rosner 已提交
2221
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2222 2223 2224 2225
			    MDIO_PMA_DEVAD,
			    MDIO_PMA_REG_MISC_CTRL1, 0x0001);

	/* Reset internal microprocessor */
Y
Yaniv Rosner 已提交
2226
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2227 2228 2229 2230
			  MDIO_PMA_DEVAD,
			  MDIO_PMA_REG_GEN_CTRL,
			  MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
	/* set micro reset = 0 */
Y
Yaniv Rosner 已提交
2231
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2232 2233 2234 2235
			    MDIO_PMA_DEVAD,
			    MDIO_PMA_REG_GEN_CTRL,
			    MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
	/* Reset internal microprocessor */
Y
Yaniv Rosner 已提交
2236
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2237 2238 2239 2240 2241 2242 2243
			  MDIO_PMA_DEVAD,
			  MDIO_PMA_REG_GEN_CTRL,
			  MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
	/* wait for 100ms for code download via SPI port */
	msleep(100);

	/* Clear ser_boot_ctl bit */
Y
Yaniv Rosner 已提交
2244
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2245 2246 2247 2248 2249
			    MDIO_PMA_DEVAD,
			    MDIO_PMA_REG_MISC_CTRL1, 0x0000);
	/* Wait 100ms */
	msleep(100);

E
Eilon Greenstein 已提交
2250
	bnx2x_save_bcm_spirom_ver(bp, port,
Y
Yaniv Rosner 已提交
2251
				phy,
E
Eilon Greenstein 已提交
2252
				params->shmem_base);
Y
Yaniv Rosner 已提交
2253 2254
}

Y
Yaniv Rosner 已提交
2255
static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
2256 2257 2258 2259 2260
{
	/* This is only required for 8073A1, version 102 only */
	u16 val;

	/* Read 8073 HW revision*/
Y
Yaniv Rosner 已提交
2261
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
2262
		      MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
2263
		      MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
2264 2265 2266 2267 2268 2269

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

Y
Yaniv Rosner 已提交
2270
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
2271 2272 2273 2274 2275 2276 2277 2278 2279
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2, &val);

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

	return 1;
}
Y
Yaniv Rosner 已提交
2280
static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
2281 2282 2283
{
	u16 val, cnt, cnt1 ;

Y
Yaniv Rosner 已提交
2284
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
2285
		      MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
2286
		      MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297

	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++) {
Y
Yaniv Rosner 已提交
2298
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
2299
			      MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
2300 2301
			      MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
			      &val);
Y
Yaniv Rosner 已提交
2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314
		  /* 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++) {
Y
Yaniv Rosner 已提交
2315
				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
2316
					MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
2317
					MDIO_PMA_REG_8073_XAUI_WA, &val);
Y
Yaniv Rosner 已提交
2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332
				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;
}

Y
Yaniv Rosner 已提交
2333 2334 2335
static void bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					      struct bnx2x_phy *phy,
					      u8 port, u32 shmem_base)
Y
Yaniv Rosner 已提交
2336
{
Y
Yaniv Rosner 已提交
2337
	/* Boot port from external ROM  */
Y
Yaniv Rosner 已提交
2338
	/* EDC grst */
Y
Yaniv Rosner 已提交
2339
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2340 2341 2342 2343 2344
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       0x0001);

	/* ucode reboot and rst */
Y
Yaniv Rosner 已提交
2345
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2346 2347 2348 2349
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       0x008c);

Y
Yaniv Rosner 已提交
2350
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2351 2352 2353 2354
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0001);

	/* Reset internal microprocessor */
Y
Yaniv Rosner 已提交
2355
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2356 2357 2358 2359 2360
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);

	/* Release srst bit */
Y
Yaniv Rosner 已提交
2361
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2362 2363 2364 2365
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);

2366 2367
	/* wait for 120ms for code download via SPI port */
	msleep(120);
Y
Yaniv Rosner 已提交
2368 2369

	/* Clear ser_boot_ctl bit */
Y
Yaniv Rosner 已提交
2370
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
2371 2372
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
2373
	bnx2x_save_bcm_spirom_ver(bp, port, phy, shmem_base);
Y
Yaniv Rosner 已提交
2374
}
Y
Yaniv Rosner 已提交
2375

Y
Yaniv Rosner 已提交
2376 2377
static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
					 struct link_params *params)
E
Eilon Greenstein 已提交
2378 2379 2380 2381 2382 2383
{
	struct bnx2x *bp = params->bp;
	/* Need to wait 100ms after reset */
	msleep(100);

	/* Micro controller re-boot */
Y
Yaniv Rosner 已提交
2384
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2385 2386
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
Y
Yaniv Rosner 已提交
2387
		       0x018B);
E
Eilon Greenstein 已提交
2388 2389

	/* Set soft reset */
Y
Yaniv Rosner 已提交
2390
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2391 2392 2393 2394
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);

Y
Yaniv Rosner 已提交
2395
	bnx2x_cl45_write(bp, phy,
2396
		       MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
2397
		       MDIO_PMA_REG_MISC_CTRL1, 0x0001);
2398

Y
Yaniv Rosner 已提交
2399
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2400 2401 2402 2403
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);

2404 2405
	/* wait for 150ms for microcode load */
	msleep(150);
E
Eilon Greenstein 已提交
2406 2407

	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
Y
Yaniv Rosner 已提交
2408
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2409 2410 2411 2412
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0000);

	msleep(200);
Y
Yaniv Rosner 已提交
2413 2414
	bnx2x_save_bcm_spirom_ver(bp, params->port,
				phy,
E
Eilon Greenstein 已提交
2415
				params->shmem_base);
E
Eilon Greenstein 已提交
2416 2417
}

Y
Yaniv Rosner 已提交
2418 2419
static void bnx2x_sfp_set_transmitter(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
2420
				      u8 port,
Y
Yaniv Rosner 已提交
2421
				      u8 tx_en)
E
Eilon Greenstein 已提交
2422 2423
{
	u16 val;
2424

Y
Yaniv Rosner 已提交
2425 2426
	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
		 tx_en, port);
E
Eilon Greenstein 已提交
2427
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
Y
Yaniv Rosner 已提交
2428
	bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2429 2430 2431 2432 2433 2434 2435 2436 2437
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_PHY_IDENTIFIER,
		      &val);

	if (tx_en)
		val &= ~(1<<15);
	else
		val |= (1<<15);

Y
Yaniv Rosner 已提交
2438
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2439 2440 2441 2442 2443
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       val);
}

Y
Yaniv Rosner 已提交
2444 2445
static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
E
Eilon Greenstein 已提交
2446 2447
					  u16 addr, u8 byte_cnt, u8 *o_buf)
{
E
Eilon Greenstein 已提交
2448
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
2449 2450
	u16 val = 0;
	u16 i;
E
Eilon Greenstein 已提交
2451 2452 2453 2454 2455 2456
	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 */
Y
Yaniv Rosner 已提交
2457 2458
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
E
Eilon Greenstein 已提交
2459 2460 2461
		       (byte_cnt | 0xa000));

	/* Set the read command address */
Y
Yaniv Rosner 已提交
2462 2463
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
E
Eilon Greenstein 已提交
2464 2465 2466
		       addr);

	/* Activate read command */
Y
Yaniv Rosner 已提交
2467 2468
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
E
Eilon Greenstein 已提交
2469 2470 2471 2472
		       0x2c0f);

	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
Y
Yaniv Rosner 已提交
2473
		bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2474
			      MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
2475 2476 2477
			      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)
E
Eilon Greenstein 已提交
2478 2479 2480 2481
			break;
		udelay(5);
	}

E
Eilon Greenstein 已提交
2482 2483
	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
E
Eilon Greenstein 已提交
2484 2485
		DP(NETIF_MSG_LINK,
			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
E
Eilon Greenstein 已提交
2486
			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
E
Eilon Greenstein 已提交
2487 2488 2489 2490 2491
		return -EINVAL;
	}

	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
Y
Yaniv Rosner 已提交
2492
		bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2493 2494 2495 2496 2497 2498
			      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);
	}

	for (i = 0; i < 100; i++) {
Y
Yaniv Rosner 已提交
2499
		bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2500
			      MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
2501 2502 2503
			      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)
Y
Yaniv Rosner 已提交
2504
			return 0;
E
Eilon Greenstein 已提交
2505 2506 2507 2508 2509
		msleep(1);
	}
	return -EINVAL;
}

Y
Yaniv Rosner 已提交
2510 2511
static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
E
Eilon Greenstein 已提交
2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523
					  u16 addr, u8 byte_cnt, u8 *o_buf)
{
	struct bnx2x *bp = params->bp;
	u16 val, i;

	if (byte_cnt > 16) {
		DP(NETIF_MSG_LINK, "Reading from eeprom is"
			    " is limited to 0xf\n");
		return -EINVAL;
	}

	/* Need to read from 1.8000 to clear it */
Y
Yaniv Rosner 已提交
2524
	bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2525 2526 2527 2528 2529
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		      &val);

	/* Set the read command byte count */
Y
Yaniv Rosner 已提交
2530
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2531 2532 2533 2534 2535
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
		       ((byte_cnt < 2) ? 2 : byte_cnt));

	/* Set the read command address */
Y
Yaniv Rosner 已提交
2536
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2537 2538 2539 2540
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
		       addr);
	/* Set the destination address */
Y
Yaniv Rosner 已提交
2541
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2542 2543 2544 2545 2546
		       MDIO_PMA_DEVAD,
		       0x8004,
		       MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);

	/* Activate read command */
Y
Yaniv Rosner 已提交
2547
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2548 2549 2550 2551 2552 2553 2554 2555 2556
		       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);

	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
Y
Yaniv Rosner 已提交
2557
		bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575
			      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);
	}

	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;
	}

	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
Y
Yaniv Rosner 已提交
2576
		bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2577 2578 2579 2580 2581 2582
			      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);
	}

	for (i = 0; i < 100; i++) {
Y
Yaniv Rosner 已提交
2583
		bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2584 2585 2586 2587
			      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)
E
Eilon Greenstein 已提交
2588 2589 2590
			return 0;;
		msleep(1);
	}
E
Eilon Greenstein 已提交
2591

E
Eilon Greenstein 已提交
2592 2593 2594
	return -EINVAL;
}

Y
Yaniv Rosner 已提交
2595 2596
u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
				struct link_params *params, u16 addr,
E
Eilon Greenstein 已提交
2597 2598
				     u8 byte_cnt, u8 *o_buf)
{
Y
Yaniv Rosner 已提交
2599 2600
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
E
Eilon Greenstein 已提交
2601
						       byte_cnt, o_buf);
Y
Yaniv Rosner 已提交
2602 2603
	else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
E
Eilon Greenstein 已提交
2604 2605 2606
						       byte_cnt, o_buf);
	return -EINVAL;
}
E
Eilon Greenstein 已提交
2607

Y
Yaniv Rosner 已提交
2608 2609
static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			     struct link_params *params,
E
Eilon Greenstein 已提交
2610
				  u16 *edc_mode)
E
Eilon Greenstein 已提交
2611 2612
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
2613 2614
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
E
Eilon Greenstein 已提交
2615 2616

	/* First check for copper cable */
Y
Yaniv Rosner 已提交
2617
	if (bnx2x_read_sfp_module_eeprom(phy, params,
E
Eilon Greenstein 已提交
2618 2619 2620
				       SFP_EEPROM_CON_TYPE_ADDR,
				       1,
				       &val) != 0) {
E
Eilon Greenstein 已提交
2621
		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
E
Eilon Greenstein 已提交
2622 2623 2624 2625 2626 2627 2628
		return -EINVAL;
	}

	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
2629

E
Eilon Greenstein 已提交
2630 2631
		/* Check if its active cable( includes SFP+ module)
		of passive cable*/
Y
Yaniv Rosner 已提交
2632
		if (bnx2x_read_sfp_module_eeprom(phy, params,
E
Eilon Greenstein 已提交
2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645
					       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;
		}

		if (copper_module_type &
		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
E
Eilon Greenstein 已提交
2646
			check_limiting_mode = 1;
E
Eilon Greenstein 已提交
2647 2648 2649 2650
		} else if (copper_module_type &
			SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
				DP(NETIF_MSG_LINK, "Passive Copper"
					    " cable detected\n");
E
Eilon Greenstein 已提交
2651 2652
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
E
Eilon Greenstein 已提交
2653 2654 2655 2656 2657 2658 2659 2660 2661
		} else {
			DP(NETIF_MSG_LINK, "Unknown copper-cable-"
				     "type 0x%x !!!\n", copper_module_type);
			return -EINVAL;
		}
		break;
	}
	case SFP_EEPROM_CON_TYPE_VAL_LC:
		DP(NETIF_MSG_LINK, "Optic module detected\n");
E
Eilon Greenstein 已提交
2662
		check_limiting_mode = 1;
E
Eilon Greenstein 已提交
2663 2664 2665 2666 2667 2668
		break;
	default:
		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
			 val);
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
2669 2670 2671

	if (check_limiting_mode) {
		u8 options[SFP_EEPROM_OPTIONS_SIZE];
Y
Yaniv Rosner 已提交
2672
		if (bnx2x_read_sfp_module_eeprom(phy, params,
E
Eilon Greenstein 已提交
2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685
					       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;
	}
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
E
Eilon Greenstein 已提交
2686 2687 2688 2689
	return 0;
}
/* This function read the relevant field from the module ( SFP+ ),
	and verify it is compliant with this board */
Y
Yaniv Rosner 已提交
2690 2691
static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				  struct link_params *params)
E
Eilon Greenstein 已提交
2692 2693
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
2694 2695 2696 2697 2698 2699 2700 2701 2702 2703
	u32 val;
	u32 fw_resp;
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];

	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) {
E
Eilon Greenstein 已提交
2704 2705 2706 2707
		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
		return 0;
	}

E
Eilon Greenstein 已提交
2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718
	/* Ask the FW to validate the module */
	if (!(params->feature_config_flags &
	      FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY)) {
		DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
			    "verification\n");
		return -EINVAL;
	}

	fw_resp = bnx2x_fw_command(bp, DRV_MSG_CODE_VRFY_OPT_MDL);
	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
		DP(NETIF_MSG_LINK, "Approved module\n");
E
Eilon Greenstein 已提交
2719 2720 2721
		return 0;
	}

E
Eilon Greenstein 已提交
2722
	/* format the warning message */
Y
Yaniv Rosner 已提交
2723
	if (bnx2x_read_sfp_module_eeprom(phy, params,
E
Eilon Greenstein 已提交
2724 2725
				       SFP_EEPROM_VENDOR_NAME_ADDR,
				       SFP_EEPROM_VENDOR_NAME_SIZE,
E
Eilon Greenstein 已提交
2726 2727 2728 2729
				       (u8 *)vendor_name))
		vendor_name[0] = '\0';
	else
		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
Y
Yaniv Rosner 已提交
2730
	if (bnx2x_read_sfp_module_eeprom(phy, params,
E
Eilon Greenstein 已提交
2731 2732 2733 2734 2735 2736
				       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';
E
Eilon Greenstein 已提交
2737

Y
Yaniv Rosner 已提交
2738 2739
	netdev_info(bp->dev, "Warning: Unqualified SFP+ module detected,"
			     " Port %d from %s part number %s\n",
2740
		    params->port, vendor_name, vendor_pn);
E
Eilon Greenstein 已提交
2741 2742 2743
	return -EINVAL;
}

Y
Yaniv Rosner 已提交
2744 2745
static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
E
Eilon Greenstein 已提交
2746
					u16 edc_mode)
E
Eilon Greenstein 已提交
2747
{
2748 2749
	u16 cur_limiting_mode;

Y
Yaniv Rosner 已提交
2750
	bnx2x_cl45_read(bp, phy,
2751 2752 2753 2754 2755 2756
		      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);

E
Eilon Greenstein 已提交
2757
	if (edc_mode == EDC_MODE_LIMITING) {
E
Eilon Greenstein 已提交
2758
		DP(NETIF_MSG_LINK,
E
Eilon Greenstein 已提交
2759
			 "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
2760
		bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2761 2762
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_ROM_VER2,
E
Eilon Greenstein 已提交
2763
			       EDC_MODE_LIMITING);
E
Eilon Greenstein 已提交
2764
	} else { /* LRM mode ( default )*/
2765

E
Eilon Greenstein 已提交
2766
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
2767 2768 2769 2770

		/* Changing to LRM mode takes quite few seconds.
		So do it only if current mode is limiting
		( default is LRM )*/
E
Eilon Greenstein 已提交
2771
		if (cur_limiting_mode != EDC_MODE_LIMITING)
E
Eilon Greenstein 已提交
2772 2773
			return 0;

Y
Yaniv Rosner 已提交
2774
		bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2775 2776 2777
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_LRM_MODE,
			       0);
Y
Yaniv Rosner 已提交
2778
		bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2779 2780 2781
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_ROM_VER2,
			       0x128);
Y
Yaniv Rosner 已提交
2782
		bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2783 2784 2785
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_MISC_CTRL0,
			       0x4008);
Y
Yaniv Rosner 已提交
2786
		bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2787 2788 2789 2790 2791 2792 2793
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_LRM_MODE,
			       0xaaaa);
	}
	return 0;
}

Y
Yaniv Rosner 已提交
2794 2795
static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
E
Eilon Greenstein 已提交
2796 2797 2798 2799
					u16 edc_mode)
{
	u16 phy_identifier;
	u16 rom_ver2_val;
Y
Yaniv Rosner 已提交
2800
	bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2801 2802 2803 2804
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       &phy_identifier);

Y
Yaniv Rosner 已提交
2805
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2806 2807 2808 2809
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       (phy_identifier & ~(1<<9)));

Y
Yaniv Rosner 已提交
2810
	bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
2811 2812 2813 2814
		      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 */
Y
Yaniv Rosner 已提交
2815
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2816 2817 2818 2819
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_ROM_VER2,
		       (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));

Y
Yaniv Rosner 已提交
2820
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2821 2822 2823 2824 2825 2826 2827 2828
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       (phy_identifier | (1<<9)));

	return 0;
}


Y
Yaniv Rosner 已提交
2829 2830 2831
static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						struct link_params *params)

E
Eilon Greenstein 已提交
2832 2833 2834 2835 2836 2837 2838
{
	u8 val;
	struct bnx2x *bp = params->bp;
	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++) {
Y
Yaniv Rosner 已提交
2839
		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
E
Eilon Greenstein 已提交
2840 2841 2842 2843 2844 2845 2846 2847 2848 2849
		    == 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
2850 2851
static void bnx2x_8727_power_module(struct bnx2x *bp,
				  struct link_params *params,
Y
Yaniv Rosner 已提交
2852 2853
				    struct bnx2x_phy *phy,
				    u8 is_power_up) {
E
Eilon Greenstein 已提交
2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869
	/* 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 )
	*/

	/*
	 * In case of NOC feature is disabled and power is up, set GPIO control
	 *  as input to enable listening of over-current indication
	 */
Y
Yaniv Rosner 已提交
2870 2871 2872 2873
	if (phy->flags & FLAGS_NOC)
		return;
	if (!(phy->flags &
	      FLAGS_NOC) && is_power_up)
E
Eilon Greenstein 已提交
2874 2875 2876 2877 2878 2879 2880 2881
		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);

Y
Yaniv Rosner 已提交
2882
	bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
2883 2884 2885 2886 2887
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_8727_GPIO_CTRL,
		       val);
}

Y
Yaniv Rosner 已提交
2888 2889
static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
				     struct link_params *params)
E
Eilon Greenstein 已提交
2890 2891
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
2892 2893
	u16 edc_mode;
	u8 rc = 0;
Y
Yaniv Rosner 已提交
2894

E
Eilon Greenstein 已提交
2895 2896 2897
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
E
Eilon Greenstein 已提交
2898 2899 2900 2901

	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);

Y
Yaniv Rosner 已提交
2902
	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
E
Eilon Greenstein 已提交
2903
		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
E
Eilon Greenstein 已提交
2904
		return -EINVAL;
Y
Yaniv Rosner 已提交
2905
	} else if (bnx2x_verify_sfp_module(phy, params) !=
E
Eilon Greenstein 已提交
2906 2907 2908
		   0) {
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
E
Eilon Greenstein 已提交
2909
		rc = -EINVAL;
E
Eilon Greenstein 已提交
2910 2911 2912 2913
		/* Turn on fault module-detected led */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				  MISC_REGISTERS_GPIO_HIGH,
				  params->port);
Y
Yaniv Rosner 已提交
2914
		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
E
Eilon Greenstein 已提交
2915 2916 2917 2918
		    ((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");
Y
Yaniv Rosner 已提交
2919
			bnx2x_8727_power_module(bp, params, phy, 0);
E
Eilon Greenstein 已提交
2920 2921 2922 2923 2924 2925 2926 2927
			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);
E
Eilon Greenstein 已提交
2928 2929
	}

E
Eilon Greenstein 已提交
2930
	/* power up the SFP module */
Y
Yaniv Rosner 已提交
2931 2932
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		bnx2x_8727_power_module(bp, params, phy, 1);
E
Eilon Greenstein 已提交
2933

E
Eilon Greenstein 已提交
2934 2935
	/* Check and set limiting mode / LRM mode on 8726.
	On 8727 it is done automatically */
Y
Yaniv Rosner 已提交
2936 2937
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
E
Eilon Greenstein 已提交
2938
	else
Y
Yaniv Rosner 已提交
2939
		bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
E
Eilon Greenstein 已提交
2940 2941 2942 2943 2944 2945 2946
	/*
	 * 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)
Y
Yaniv Rosner 已提交
2947
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
E
Eilon Greenstein 已提交
2948
	else
Y
Yaniv Rosner 已提交
2949
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
E
Eilon Greenstein 已提交
2950

E
Eilon Greenstein 已提交
2951
	return rc;
E
Eilon Greenstein 已提交
2952 2953 2954 2955 2956
}

void bnx2x_handle_module_detect_int(struct link_params *params)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2957
	struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
E
Eilon Greenstein 已提交
2958 2959
	u32 gpio_val;
	u8 port = params->port;
2960

E
Eilon Greenstein 已提交
2961 2962 2963 2964 2965 2966
	/* Set valid module led off */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
			  MISC_REGISTERS_GPIO_HIGH,
			  params->port);

	/* Get current gpio val refelecting module plugged in / out*/
Y
Yaniv Rosner 已提交
2967
	gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
E
Eilon Greenstein 已提交
2968 2969 2970 2971 2972

	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {

		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
Y
Yaniv Rosner 已提交
2973 2974
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
				   port);
E
Eilon Greenstein 已提交
2975

Y
Yaniv Rosner 已提交
2976 2977
		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
E
Eilon Greenstein 已提交
2978 2979 2980
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
	} else {
E
Eilon Greenstein 已提交
2981 2982 2983 2984 2985
		u32 val = REG_RD(bp, params->shmem_base +
				     offsetof(struct shmem_region, dev_info.
					      port_feature_config[params->port].
					      config));

E
Eilon Greenstein 已提交
2986 2987 2988 2989 2990
		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 */
E
Eilon Greenstein 已提交
2991 2992
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Y
Yaniv Rosner 已提交
2993
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
E
Eilon Greenstein 已提交
2994 2995 2996
	}
}

Y
Yaniv Rosner 已提交
2997
static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
2998 2999
{
	/* Force KR or KX */
Y
Yaniv Rosner 已提交
3000
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3001
		       MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
3002 3003
		       MDIO_PMA_REG_CTRL,
		       0x2040);
Y
Yaniv Rosner 已提交
3004
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3005
		       MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
3006 3007
		       MDIO_PMA_REG_10G_CTRL2,
		       0x000b);
Y
Yaniv Rosner 已提交
3008
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3009 3010 3011
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_BCM_CTRL,
		       0x0000);
Y
Yaniv Rosner 已提交
3012
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3013 3014 3015
		       MDIO_AN_DEVAD,
		       MDIO_AN_REG_CTRL,
		       0x0000);
Y
Yaniv Rosner 已提交
3016
}
3017

Y
Yaniv Rosner 已提交
3018 3019
static void bnx2x_8073_set_xaui_low_power_mode(struct bnx2x *bp,
					       struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
3020 3021
{
	u16 val;
Y
Yaniv Rosner 已提交
3022
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3023
		      MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3024
		      MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
3025 3026 3027 3028 3029 3030 3031

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

	/* Disable PLL sequencer (use read-modify-write to clear bit 13) */
Y
Yaniv Rosner 已提交
3032
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3033 3034 3035
		       MDIO_XS_DEVAD,
		       MDIO_XS_PLL_SEQUENCER, &val);
	val &= ~(1<<13);
Y
Yaniv Rosner 已提交
3036
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3037 3038 3039
		       MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);

	/* PLL controls */
Y
Yaniv Rosner 已提交
3040
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3041
		       MDIO_XS_DEVAD, 0x805E, 0x1077);
Y
Yaniv Rosner 已提交
3042
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3043
		       MDIO_XS_DEVAD, 0x805D, 0x0000);
Y
Yaniv Rosner 已提交
3044
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3045
		       MDIO_XS_DEVAD, 0x805C, 0x030B);
Y
Yaniv Rosner 已提交
3046
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3047
		       MDIO_XS_DEVAD, 0x805B, 0x1240);
Y
Yaniv Rosner 已提交
3048
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3049 3050 3051
		       MDIO_XS_DEVAD, 0x805A, 0x2490);

	/* Tx Controls */
Y
Yaniv Rosner 已提交
3052
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3053
		       MDIO_XS_DEVAD, 0x80A7, 0x0C74);
Y
Yaniv Rosner 已提交
3054
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3055
		       MDIO_XS_DEVAD, 0x80A6, 0x9041);
Y
Yaniv Rosner 已提交
3056
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3057 3058 3059
		       MDIO_XS_DEVAD, 0x80A5, 0x4640);

	/* Rx Controls */
Y
Yaniv Rosner 已提交
3060
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3061
		       MDIO_XS_DEVAD, 0x80FE, 0x01C4);
Y
Yaniv Rosner 已提交
3062
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3063
		       MDIO_XS_DEVAD, 0x80FD, 0x9249);
Y
Yaniv Rosner 已提交
3064
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3065 3066 3067
		       MDIO_XS_DEVAD, 0x80FC, 0x2015);

	/* Enable PLL sequencer  (use read-modify-write to set bit 13) */
Y
Yaniv Rosner 已提交
3068
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3069 3070 3071
		       MDIO_XS_DEVAD,
		       MDIO_XS_PLL_SEQUENCER, &val);
	val |= (1<<13);
Y
Yaniv Rosner 已提交
3072
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3073 3074
		       MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
}
Y
Yaniv Rosner 已提交
3075 3076

static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
3077 3078
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
3079
{
Y
Yaniv Rosner 已提交
3080
	u16 cl37_val;
Y
Yaniv Rosner 已提交
3081 3082
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3083 3084 3085 3086 3087
		      MDIO_AN_DEVAD,
		      MDIO_AN_REG_CL37_FC_LD, &cl37_val);

	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
Y
Yaniv Rosner 已提交
3088
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106
	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);

Y
Yaniv Rosner 已提交
3107
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3108
		       MDIO_AN_DEVAD,
Y
Yaniv Rosner 已提交
3109 3110
		       MDIO_AN_REG_CL37_FC_LD, cl37_val);
	msleep(500);
Y
Yaniv Rosner 已提交
3111 3112 3113
}

static void bnx2x_ext_phy_set_pause(struct link_params *params,
Y
Yaniv Rosner 已提交
3114 3115
				    struct bnx2x_phy *phy,
				    struct link_vars *vars)
Y
Yaniv Rosner 已提交
3116 3117
{
	u16 val;
Y
Yaniv Rosner 已提交
3118
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3119
	/* read modify write pause advertizing */
Y
Yaniv Rosner 已提交
3120
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3121 3122 3123 3124
		      MDIO_AN_DEVAD,
		      MDIO_AN_REG_ADV_PAUSE, &val);

	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
Y
Yaniv Rosner 已提交
3125

Y
Yaniv Rosner 已提交
3126 3127
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */

Y
Yaniv Rosner 已提交
3128 3129
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
Y
Yaniv Rosner 已提交
3130 3131 3132
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
		val |=  MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
	}
Y
Yaniv Rosner 已提交
3133 3134
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
Y
Yaniv Rosner 已提交
3135 3136 3137 3138 3139 3140
	    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);
Y
Yaniv Rosner 已提交
3141
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3142 3143 3144
		       MDIO_AN_DEVAD,
		       MDIO_AN_REG_ADV_PAUSE, val);
}
Y
Yaniv Rosner 已提交
3145 3146 3147

static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
3148
{
Y
Yaniv Rosner 已提交
3149

3150 3151
	u16 bank, i = 0;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3152

3153 3154
	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
Y
Yaniv Rosner 已提交
3155
			CL45_WR_OVER_CL22(bp, phy,
3156 3157
					      bank,
					      MDIO_RX0_RX_EQ_BOOST,
Y
Yaniv Rosner 已提交
3158
					  phy->rx_preemphasis[i]);
3159 3160 3161 3162
	}

	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
Y
Yaniv Rosner 已提交
3163
			CL45_WR_OVER_CL22(bp, phy,
3164 3165
					      bank,
					      MDIO_TX0_TX_DRIVER,
Y
Yaniv Rosner 已提交
3166
					  phy->tx_preemphasis[i]);
3167 3168
	}
}
3169

Y
Yaniv Rosner 已提交
3170 3171
static void bnx2x_8481_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
3172
{
3173
	u16 val;
Y
Yaniv Rosner 已提交
3174 3175 3176

	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
3177 3178 3179 3180
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
	val &= 0xFE00;
	val |= 0x0092;
3181

Y
Yaniv Rosner 已提交
3182
	bnx2x_cl45_write(bp, phy,
3183 3184
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
3185

Y
Yaniv Rosner 已提交
3186
	bnx2x_cl45_write(bp, phy,
3187 3188 3189
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED1_MASK,
			 0x80);
3190

Y
Yaniv Rosner 已提交
3191
	bnx2x_cl45_write(bp, phy,
3192 3193 3194
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED2_MASK,
			 0x18);
3195

Y
Yaniv Rosner 已提交
3196
	bnx2x_cl45_write(bp, phy,
3197 3198 3199 3200 3201
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED3_MASK,
			 0x0040);

	/* 'Interrupt Mask' */
Y
Yaniv Rosner 已提交
3202
	bnx2x_cl45_write(bp, phy,
3203 3204
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
3205 3206
}

Y
Yaniv Rosner 已提交
3207 3208 3209
static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars)
3210 3211
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3212 3213
	u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
			  (params->loopback_mode == LOOPBACK_XGXS_10));
3214
	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
Y
Yaniv Rosner 已提交
3215
		if (SINGLE_MEDIA_DIRECT(params) &&
3216 3217
		    (params->feature_config_flags &
		     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
Y
Yaniv Rosner 已提交
3218
			bnx2x_set_preemphasis(phy, params);
3219 3220

		/* forced speed requested? */
Y
Yaniv Rosner 已提交
3221
		if (vars->line_speed != SPEED_AUTO_NEG ||
Y
Yaniv Rosner 已提交
3222
		    (SINGLE_MEDIA_DIRECT(params) &&
Y
Yaniv Rosner 已提交
3223
			  params->loopback_mode == LOOPBACK_EXT)) {
3224 3225 3226
			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");

			/* disable autoneg */
Y
Yaniv Rosner 已提交
3227
			bnx2x_set_autoneg(phy, params, vars, 0);
3228 3229

			/* program speed and duplex */
Y
Yaniv Rosner 已提交
3230
			bnx2x_program_serdes(phy, params, vars);
3231 3232 3233 3234 3235

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

			/* AN enabled */
Y
Yaniv Rosner 已提交
3236
			bnx2x_set_brcm_cl37_advertisment(phy, params);
3237 3238

			/* program duplex & pause advertisement (for aneg) */
Y
Yaniv Rosner 已提交
3239
			bnx2x_set_ieee_aneg_advertisment(phy, params,
Y
Yaniv Rosner 已提交
3240
						       vars->ieee_fc);
3241 3242

			/* enable autoneg */
Y
Yaniv Rosner 已提交
3243
			bnx2x_set_autoneg(phy, params, vars, enable_cl73);
3244 3245

			/* enable and restart AN */
Y
Yaniv Rosner 已提交
3246
			bnx2x_restart_autoneg(phy, params, enable_cl73);
3247 3248 3249 3250 3251
		}

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

Y
Yaniv Rosner 已提交
3252
		bnx2x_initialize_sgmii_process(phy, params, vars);
3253 3254 3255
	}
}

Y
Yaniv Rosner 已提交
3256 3257
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
				     struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
3258
{
Y
Yaniv Rosner 已提交
3259
	u16 cnt, ctrl;
Y
Yaniv Rosner 已提交
3260 3261
			/* Wait for soft reset to get cleared upto 1 sec */
			for (cnt = 0; cnt < 1000; cnt++) {
Y
Yaniv Rosner 已提交
3262
				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3263 3264 3265 3266 3267 3268 3269 3270
					      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);
Y
Yaniv Rosner 已提交
3271 3272
			return 0;
}
Y
Yaniv Rosner 已提交
3273

Y
Yaniv Rosner 已提交
3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286
static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "init 8705\n");
	/* 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_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
	bnx2x_wait_reset_complete(bp, phy);
Y
Yaniv Rosner 已提交
3287 3288
			DP(NETIF_MSG_LINK, "XGXS 8705\n");

Y
Yaniv Rosner 已提交
3289
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3290 3291 3292
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_MISC_CTRL,
				       0x8288);
Y
Yaniv Rosner 已提交
3293
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3294 3295 3296
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_PHY_IDENTIFIER,
				       0x7fbf);
Y
Yaniv Rosner 已提交
3297
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3298 3299 3300
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_CMU_PLL_BYPASS,
				       0x0100);
Y
Yaniv Rosner 已提交
3301
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3302 3303
				       MDIO_WIS_DEVAD,
				       MDIO_WIS_REG_LASI_CNTL, 0x1);
E
Eilon Greenstein 已提交
3304

3305 3306 3307
			/* BCM8705 doesn't have microcode, hence the 0 */
			bnx2x_save_spirom_version(bp, params->port,
						params->shmem_base, 0);
Y
Yaniv Rosner 已提交
3308

Y
Yaniv Rosner 已提交
3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324
			return 0;
}

static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	u16 cnt, val;
	struct bnx2x *bp = params->bp;
	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);
E
Eilon Greenstein 已提交
3325 3326
			/* Wait until fw is loaded */
			for (cnt = 0; cnt < 100; cnt++) {
Y
Yaniv Rosner 已提交
3327
				bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3328 3329 3330 3331 3332 3333 3334
					      MDIO_PMA_REG_ROM_VER1, &val);
				if (val)
					break;
				msleep(10);
			}
			DP(NETIF_MSG_LINK, "XGXS 8706 is initialized "
				"after %d ms\n", cnt);
3335 3336 3337 3338 3339 3340 3341 3342
			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);
Y
Yaniv Rosner 已提交
3343
					bnx2x_cl45_read(bp, phy,
3344 3345 3346 3347 3348 3349
						      MDIO_XS_DEVAD,
						      reg, &val);
					/* Clear first 3 bits of the control */
					val &= ~0x7;
					/* Set control bits according to
					configuation */
Y
Yaniv Rosner 已提交
3350
					val |= (phy->rx_preemphasis[i] &
3351 3352 3353 3354
						0x7);
					DP(NETIF_MSG_LINK, "Setting RX"
						 "Equalizer to BCM8706 reg 0x%x"
						 " <-- val 0x%x\n", reg, val);
Y
Yaniv Rosner 已提交
3355
					bnx2x_cl45_write(bp, phy,
3356 3357 3358 3359
						       MDIO_XS_DEVAD,
						       reg, val);
				}
			}
Y
Yaniv Rosner 已提交
3360 3361 3362 3363
			/* Force speed */
			if (params->req_line_speed == SPEED_10000) {
				DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");

Y
Yaniv Rosner 已提交
3364
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3365 3366 3367
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_DIGITAL_CTRL,
					       0x400);
Y
Yaniv Rosner 已提交
3368
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
3369
					       MDIO_PMA_REG_LASI_CTRL, 1);
Y
Yaniv Rosner 已提交
3370 3371 3372 3373 3374 3375
			} else {
				/* Force 1Gbps using autoneg with 1G
				advertisment */

				/* Allow CL37 through CL73 */
				DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
Y
Yaniv Rosner 已提交
3376
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3377 3378 3379 3380 3381
					       MDIO_AN_DEVAD,
					       MDIO_AN_REG_CL37_CL73,
					       0x040c);

				/* Enable Full-Duplex advertisment on CL37 */
Y
Yaniv Rosner 已提交
3382
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3383
					       MDIO_AN_DEVAD,
Y
Yaniv Rosner 已提交
3384
					       MDIO_AN_REG_CL37_FC_LP,
Y
Yaniv Rosner 已提交
3385 3386
					       0x0020);
				/* Enable CL37 AN */
Y
Yaniv Rosner 已提交
3387
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3388 3389 3390 3391
					       MDIO_AN_DEVAD,
					       MDIO_AN_REG_CL37_AN,
					       0x1000);
				/* 1G support */
Y
Yaniv Rosner 已提交
3392
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3393 3394 3395 3396
					       MDIO_AN_DEVAD,
					       MDIO_AN_REG_ADV, (1<<5));

				/* Enable clause 73 AN */
Y
Yaniv Rosner 已提交
3397
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3398 3399 3400
					       MDIO_AN_DEVAD,
					       MDIO_AN_REG_CTRL,
					       0x1200);
Y
Yaniv Rosner 已提交
3401
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3402 3403 3404
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_RX_ALARM_CTRL,
					       0x0400);
Y
Yaniv Rosner 已提交
3405
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3406 3407
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_LASI_CTRL, 0x0004);
Y
Yaniv Rosner 已提交
3408 3409

			}
E
Eilon Greenstein 已提交
3410
			bnx2x_save_bcm_spirom_ver(bp, params->port,
Y
Yaniv Rosner 已提交
3411
						phy,
E
Eilon Greenstein 已提交
3412
						params->shmem_base);
Y
Yaniv Rosner 已提交
3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432
			return 0;
}

static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	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);

	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);

	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	bnx2x_wait_reset_complete(bp, phy);

	bnx2x_wait_reset_complete(bp, phy);
E
Eilon Greenstein 已提交
3433
			DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
Y
Yaniv Rosner 已提交
3434
			bnx2x_8726_external_rom_boot(phy, params);
E
Eilon Greenstein 已提交
3435 3436 3437 3438 3439 3440

			/* 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 */
Y
Yaniv Rosner 已提交
3441
			bnx2x_sfp_module_detection(phy, params);
E
Eilon Greenstein 已提交
3442 3443

			/* Set Flow control */
Y
Yaniv Rosner 已提交
3444
			bnx2x_ext_phy_set_pause(params, phy, vars);
E
Eilon Greenstein 已提交
3445 3446
			if (params->req_line_speed == SPEED_1000) {
				DP(NETIF_MSG_LINK, "Setting 1G force\n");
Y
Yaniv Rosner 已提交
3447
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3448
					       MDIO_PMA_REG_CTRL, 0x40);
Y
Yaniv Rosner 已提交
3449
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3450
					       MDIO_PMA_REG_10G_CTRL2, 0xD);
Y
Yaniv Rosner 已提交
3451
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3452
					       MDIO_PMA_REG_LASI_CTRL, 0x5);
Y
Yaniv Rosner 已提交
3453
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3454 3455 3456 3457 3458 3459
					       MDIO_PMA_REG_RX_ALARM_CTRL,
					       0x400);
			} else if ((params->req_line_speed ==
				    SPEED_AUTO_NEG) &&
				   ((params->speed_cap_mask &
				     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))) {
3460
				DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
Y
Yaniv Rosner 已提交
3461
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
E
Eilon Greenstein 已提交
3462
					       MDIO_AN_REG_ADV, 0x20);
Y
Yaniv Rosner 已提交
3463
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
E
Eilon Greenstein 已提交
3464
					       MDIO_AN_REG_CL37_CL73, 0x040c);
Y
Yaniv Rosner 已提交
3465
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
E
Eilon Greenstein 已提交
3466
					       MDIO_AN_REG_CL37_FC_LD, 0x0020);
Y
Yaniv Rosner 已提交
3467
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
E
Eilon Greenstein 已提交
3468
					       MDIO_AN_REG_CL37_AN, 0x1000);
Y
Yaniv Rosner 已提交
3469
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
E
Eilon Greenstein 已提交
3470 3471 3472 3473
					       MDIO_AN_REG_CTRL, 0x1200);

				/* Enable RX-ALARM control to receive
				interrupt for 1G speed change */
Y
Yaniv Rosner 已提交
3474
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3475
					       MDIO_PMA_REG_LASI_CTRL, 0x4);
Y
Yaniv Rosner 已提交
3476
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3477 3478
					       MDIO_PMA_REG_RX_ALARM_CTRL,
					       0x400);
Y
Yaniv Rosner 已提交
3479

E
Eilon Greenstein 已提交
3480
			} else { /* Default 10G. Set only LASI control */
Y
Yaniv Rosner 已提交
3481
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3482 3483
					       MDIO_PMA_REG_LASI_CTRL, 1);
			}
3484 3485 3486 3487 3488 3489

			/* 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",
Y
Yaniv Rosner 已提交
3490 3491
			 phy->tx_preemphasis[0],
			 phy->tx_preemphasis[1]);
Y
Yaniv Rosner 已提交
3492
				bnx2x_cl45_write(bp, phy,
3493 3494
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_8726_TX_CTRL1,
Y
Yaniv Rosner 已提交
3495
				 phy->tx_preemphasis[0]);
3496

Y
Yaniv Rosner 已提交
3497
				bnx2x_cl45_write(bp, phy,
3498 3499
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_8726_TX_CTRL2,
Y
Yaniv Rosner 已提交
3500
				 phy->tx_preemphasis[1]);
3501
			}
Y
Yaniv Rosner 已提交
3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522
			return 0;

}

static u8 bnx2x_8072_8073_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");

	gpio_port = params->port;
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);

	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);

Y
Yaniv Rosner 已提交
3523 3524 3525 3526
		{
			u16 tmp1;
			u16 rx_alarm_ctrl_val;
			u16 lasi_ctrl_val;
Y
Yaniv Rosner 已提交
3527
			if (phy->type ==
Y
Yaniv Rosner 已提交
3528 3529 3530 3531 3532 3533 3534 3535
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) {
				rx_alarm_ctrl_val = 0x400;
				lasi_ctrl_val = 0x0004;
			} else {
				rx_alarm_ctrl_val = (1<<2);
				lasi_ctrl_val = 0x0004;
			}

Y
Yaniv Rosner 已提交
3536
			/* enable LASI */
Y
Yaniv Rosner 已提交
3537
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3538 3539 3540 3541
				   MDIO_PMA_DEVAD,
				   MDIO_PMA_REG_RX_ALARM_CTRL,
				   rx_alarm_ctrl_val);

Y
Yaniv Rosner 已提交
3542
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3543 3544 3545 3546
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_LASI_CTRL,
				       lasi_ctrl_val);

Y
Yaniv Rosner 已提交
3547
			bnx2x_8073_set_pause_cl37(params, phy, vars);
Y
Yaniv Rosner 已提交
3548

Y
Yaniv Rosner 已提交
3549
			if (phy->type ==
3550
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072)
Y
Yaniv Rosner 已提交
3551
				bnx2x_bcm8072_external_rom_boot(phy, params);
3552
			else
Y
Yaniv Rosner 已提交
3553 3554
				/* In case of 8073 with long xaui lines,
				don't set the 8073 xaui low power*/
Y
Yaniv Rosner 已提交
3555
				bnx2x_8073_set_xaui_low_power_mode(bp, phy);
Y
Yaniv Rosner 已提交
3556

Y
Yaniv Rosner 已提交
3557
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3558
				      MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3559
				      MDIO_PMA_REG_M8051_MSGOUT_REG,
Y
Yaniv Rosner 已提交
3560
				      &tmp1);
Y
Yaniv Rosner 已提交
3561

Y
Yaniv Rosner 已提交
3562
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3563 3564 3565 3566 3567 3568 3569 3570 3571
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_RX_ALARM, &tmp1);

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

			/* If this is forced speed, set to KR or KX
			 * (all other are not supported)
			 */
Y
Yaniv Rosner 已提交
3572
			if (params->loopback_mode == LOOPBACK_EXT) {
Y
Yaniv Rosner 已提交
3573
				bnx2x_807x_force_10G(bp, phy);
Y
Yaniv Rosner 已提交
3574 3575
				DP(NETIF_MSG_LINK,
					"Forced speed 10G on 807X\n");
Y
Yaniv Rosner 已提交
3576
				return 0;
Y
Yaniv Rosner 已提交
3577
			} else {
Y
Yaniv Rosner 已提交
3578
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3579 3580 3581 3582 3583 3584 3585
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_BCM_CTRL,
					       0x0002);
			}
			if (params->req_line_speed != SPEED_AUTO_NEG) {
				if (params->req_line_speed == SPEED_10000) {
					val = (1<<7);
Y
Yaniv Rosner 已提交
3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599
				} else if (params->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 (params->speed_cap_mask &
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
					val |= (1<<7);

Y
Yaniv Rosner 已提交
3600 3601
				/* Note that 2.5G works only when
				used with 1G advertisment */
Y
Yaniv Rosner 已提交
3602
				if (params->speed_cap_mask &
Y
Yaniv Rosner 已提交
3603 3604
					(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
					 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Y
Yaniv Rosner 已提交
3605
					val |= (1<<5);
Y
Yaniv Rosner 已提交
3606 3607
				DP(NETIF_MSG_LINK,
					 "807x autoneg val = 0x%x\n", val);
Y
Yaniv Rosner 已提交
3608 3609
			}

Y
Yaniv Rosner 已提交
3610
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3611 3612
				       MDIO_AN_DEVAD,
				       MDIO_AN_REG_ADV, val);
Y
Yaniv Rosner 已提交
3613 3614

				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3615
					      MDIO_AN_DEVAD,
E
Eilon Greenstein 已提交
3616
					      MDIO_AN_REG_8073_2_5G, &tmp1);
Y
Yaniv Rosner 已提交
3617 3618 3619 3620 3621 3622 3623

				if (((params->speed_cap_mask &
				      PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
				     (params->req_line_speed ==
				      SPEED_AUTO_NEG)) ||
				    (params->req_line_speed ==
				     SPEED_2500)) {
Y
Yaniv Rosner 已提交
3624 3625
					u16 phy_ver;
					/* Allow 2.5G for A1 and above */
Y
Yaniv Rosner 已提交
3626
					bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3627
					 MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3628
					 MDIO_PMA_REG_8073_CHIP_REV, &phy_ver);
Y
Yaniv Rosner 已提交
3629
					DP(NETIF_MSG_LINK, "Add 2.5G\n");
Y
Yaniv Rosner 已提交
3630 3631 3632 3633
					if (phy_ver > 0)
						tmp1 |= 1;
					else
						tmp1 &= 0xfffe;
Y
Yaniv Rosner 已提交
3634 3635
				} else {
					DP(NETIF_MSG_LINK, "Disable 2.5G\n");
Y
Yaniv Rosner 已提交
3636
					tmp1 &= 0xfffe;
Y
Yaniv Rosner 已提交
3637
				}
Y
Yaniv Rosner 已提交
3638

Y
Yaniv Rosner 已提交
3639
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3640
					       MDIO_AN_DEVAD,
E
Eilon Greenstein 已提交
3641
					       MDIO_AN_REG_8073_2_5G, tmp1);
Y
Yaniv Rosner 已提交
3642 3643 3644

			/* Add support for CL37 (passive mode) II */

Y
Yaniv Rosner 已提交
3645
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3646
				       MDIO_AN_DEVAD,
Y
Yaniv Rosner 已提交
3647 3648 3649
				       MDIO_AN_REG_CL37_FC_LD,
				       &tmp1);

Y
Yaniv Rosner 已提交
3650
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3651
				       MDIO_AN_DEVAD,
Y
Yaniv Rosner 已提交
3652 3653 3654 3655
				       MDIO_AN_REG_CL37_FC_LD, (tmp1 |
				       ((params->req_duplex == DUPLEX_FULL) ?
				       0x20 : 0x40)));

Y
Yaniv Rosner 已提交
3656
			/* Add support for CL37 (passive mode) III */
Y
Yaniv Rosner 已提交
3657
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3658 3659 3660
				       MDIO_AN_DEVAD,
				       MDIO_AN_REG_CL37_AN, 0x1000);

Y
Yaniv Rosner 已提交
3661
			if (phy->type ==
Y
Yaniv Rosner 已提交
3662
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
Y
Yaniv Rosner 已提交
3663
				/* The SNR will improve about 2db by changing
Y
Yaniv Rosner 已提交
3664 3665
				BW and FEE main tap. Rest commands are executed
				after link is up*/
Y
Yaniv Rosner 已提交
3666
				/*Change FFE main cursor to 5 in EDC register*/
Y
Yaniv Rosner 已提交
3667 3668
				if (bnx2x_8073_is_snr_needed(bp, phy))
					bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3669 3670 3671 3672
						    MDIO_PMA_DEVAD,
						    MDIO_PMA_REG_EDC_FFE_MAIN,
						    0xFB0C);

Y
Yaniv Rosner 已提交
3673 3674
				/* Enable FEC (Forware Error Correction)
				Request in the AN */
Y
Yaniv Rosner 已提交
3675
				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3676 3677
					      MDIO_AN_DEVAD,
					      MDIO_AN_REG_ADV2, &tmp1);
Y
Yaniv Rosner 已提交
3678

Y
Yaniv Rosner 已提交
3679 3680
				tmp1 |= (1<<15);

Y
Yaniv Rosner 已提交
3681
				bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3682 3683
					       MDIO_AN_DEVAD,
					       MDIO_AN_REG_ADV2, tmp1);
Y
Yaniv Rosner 已提交
3684 3685 3686

			}

Y
Yaniv Rosner 已提交
3687
			bnx2x_ext_phy_set_pause(params, phy, vars);
Y
Yaniv Rosner 已提交
3688

Y
Yaniv Rosner 已提交
3689 3690
			/* Restart autoneg */
			msleep(500);
Y
Yaniv Rosner 已提交
3691
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3692 3693 3694 3695 3696 3697
				       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));
Y
Yaniv Rosner 已提交
3698
			return 0;
Y
Yaniv Rosner 已提交
3699
		}
Y
Yaniv Rosner 已提交
3700
}
E
Eilon Greenstein 已提交
3701

Y
Yaniv Rosner 已提交
3702 3703 3704 3705 3706 3707 3708 3709 3710
static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	u16 tmp1, val, mod_abs;
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
	struct bnx2x *bp = params->bp;
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
Yaniv Rosner 已提交
3711

E
Eilon Greenstein 已提交
3712 3713 3714 3715
			/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */

			rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
			lasi_ctrl_val = 0x0004;
Y
Yaniv Rosner 已提交
3716
			bnx2x_wait_reset_complete(bp, phy);
E
Eilon Greenstein 已提交
3717 3718
			DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
			/* enable LASI */
Y
Yaniv Rosner 已提交
3719
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3720
				       MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3721 3722 3723
				       MDIO_PMA_REG_RX_ALARM_CTRL,
				       rx_alarm_ctrl_val);

Y
Yaniv Rosner 已提交
3724
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3725
				       MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3726 3727
				       MDIO_PMA_REG_LASI_CTRL,
				       lasi_ctrl_val);
Y
Yaniv Rosner 已提交
3728

E
Eilon Greenstein 已提交
3729 3730
			/* Initially configure  MOD_ABS to interrupt when
			module is presence( bit 8) */
Y
Yaniv Rosner 已提交
3731
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
3732 3733 3734 3735 3736 3737 3738
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
			/* Set EDC off by setting OPTXLOS signal input to low
			(bit 9).
			When the EDC is off it locks onto a reference clock and
			avoids becoming 'lost'.*/
			mod_abs &= ~((1<<8) | (1<<9));
Y
Yaniv Rosner 已提交
3739
			bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3740 3741
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
E
Eilon Greenstein 已提交
3742

E
Eilon Greenstein 已提交
3743
			/* Make MOD_ABS give interrupt on change */
Y
Yaniv Rosner 已提交
3744
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
3745 3746 3747 3748
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_8727_PCS_OPT_CTRL,
				      &val);
			val |= (1<<12);
Y
Yaniv Rosner 已提交
3749
			bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3750 3751 3752 3753 3754 3755 3756 3757
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_8727_PCS_OPT_CTRL,
				       val);

			/* Set 8727 GPIOs to input to allow reading from the
			8727 GPIO0 status which reflect SFP+ module
			over-current */

Y
Yaniv Rosner 已提交
3758
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
3759 3760 3761 3762
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_8727_PCS_OPT_CTRL,
				       &val);
			val &= 0xff8f; /* Reset bits 4-6 */
Y
Yaniv Rosner 已提交
3763
			bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3764 3765 3766 3767
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_8727_PCS_OPT_CTRL,
				       val);

Y
Yaniv Rosner 已提交
3768
			bnx2x_8727_power_module(bp, params, phy, 1);
E
Eilon Greenstein 已提交
3769

Y
Yaniv Rosner 已提交
3770
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
3771 3772 3773 3774
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_M8051_MSGOUT_REG,
				      &tmp1);

Y
Yaniv Rosner 已提交
3775
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
3776 3777 3778 3779 3780 3781 3782
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_RX_ALARM, &tmp1);

			/* Set option 1G speed */
			if (params->req_line_speed == SPEED_1000) {

				DP(NETIF_MSG_LINK, "Setting 1G force\n");
Y
Yaniv Rosner 已提交
3783
				bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3784 3785
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_CTRL, 0x40);
Y
Yaniv Rosner 已提交
3786
				bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3787 3788
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_10G_CTRL2, 0xD);
Y
Yaniv Rosner 已提交
3789
				bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
3790 3791
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_10G_CTRL2, &tmp1);
3792
				DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
E
Eilon Greenstein 已提交
3793 3794 3795 3796

			} else if ((params->req_line_speed ==
				    SPEED_AUTO_NEG) &&
				   ((params->speed_cap_mask &
3797 3798 3799 3800
				     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
				   ((params->speed_cap_mask &
				     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
				    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
3801
				DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
Y
Yaniv Rosner 已提交
3802 3803 3804
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
					       MDIO_AN_REG_8727_MISC_CTRL, 0);
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
E
Eilon Greenstein 已提交
3805 3806 3807 3808 3809
					       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 */
Y
Yaniv Rosner 已提交
3810
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3811 3812
					      MDIO_AN_REG_8727_MISC_CTRL,
					      0x0020);
Y
Yaniv Rosner 已提交
3813
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3814
					      MDIO_AN_REG_CL37_AN, 0x0100);
Y
Yaniv Rosner 已提交
3815
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3816
					      MDIO_PMA_REG_CTRL, 0x2040);
Y
Yaniv Rosner 已提交
3817
				bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3818
					      MDIO_PMA_REG_10G_CTRL2, 0x0008);
E
Eilon Greenstein 已提交
3819 3820
			}

3821 3822 3823 3824
			/* Set 2-wire transfer rate of SFP+ module EEPROM
			 * to 100Khz since some DACs(direct attached cables) do
			 * not work at 400Khz.
			 */
Y
Yaniv Rosner 已提交
3825
			bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3826 3827
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
3828
				       0xa001);
E
Eilon Greenstein 已提交
3829 3830 3831 3832 3833 3834

			/* 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",
Y
Yaniv Rosner 已提交
3835 3836
					 phy->tx_preemphasis[0],
			   phy->tx_preemphasis[1]);
Y
Yaniv Rosner 已提交
3837
				bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3838 3839
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_8727_TX_CTRL1,
Y
Yaniv Rosner 已提交
3840
					       phy->tx_preemphasis[0]);
E
Eilon Greenstein 已提交
3841

Y
Yaniv Rosner 已提交
3842
				bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3843 3844
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_8727_TX_CTRL2,
Y
Yaniv Rosner 已提交
3845
					       phy->tx_preemphasis[1]);
E
Eilon Greenstein 已提交
3846 3847
			}

Y
Yaniv Rosner 已提交
3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863
			return 0;
}

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

	/* 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);
E
Eilon Greenstein 已提交
3864 3865 3866

			DP(NETIF_MSG_LINK,
				"Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
3867
			bnx2x_wait_reset_complete(bp, phy);
Y
Yaniv Rosner 已提交
3868
			bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3869 3870 3871 3872
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_LASI_CTRL, 0x1);
			DP(NETIF_MSG_LINK,
			  "Setting the SFX7101 LED to blink on traffic\n");
Y
Yaniv Rosner 已提交
3873
			bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3874 3875 3876
				       MDIO_PMA_DEVAD,
				       MDIO_PMA_REG_7107_LED_CNTL, (1<<3));

Y
Yaniv Rosner 已提交
3877
			bnx2x_ext_phy_set_pause(params, phy, vars);
E
Eilon Greenstein 已提交
3878
			/* Restart autoneg */
Y
Yaniv Rosner 已提交
3879
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
3880 3881 3882
				      MDIO_AN_DEVAD,
				      MDIO_AN_REG_CTRL, &val);
			val |= 0x200;
Y
Yaniv Rosner 已提交
3883
			bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
3884 3885 3886 3887
				       MDIO_AN_DEVAD,
				       MDIO_AN_REG_CTRL, val);

			/* Save spirom version */
Y
Yaniv Rosner 已提交
3888
			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3889
				      MDIO_PMA_REG_7101_VER1, &fw_ver1);
E
Eilon Greenstein 已提交
3890

Y
Yaniv Rosner 已提交
3891
			bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
3892 3893 3894 3895 3896
				      MDIO_PMA_REG_7101_VER2, &fw_ver2);

			bnx2x_save_spirom_version(params->bp, params->port,
						params->shmem_base,
						(u32)(fw_ver1<<16 | fw_ver2));
Y
Yaniv Rosner 已提交
3897 3898 3899 3900 3901 3902 3903 3904
			return 0;
}

static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
3905
		{
3906 3907 3908 3909
			/* This phy uses the NIG latch mechanism since link
				indication arrives through its LED4 and not via
				its LASI signal, so we get steady signal
				instead of clear on read */
3910 3911 3912
			u16 autoneg_val, an_1000_val, an_10_100_val, temp;
			temp = vars->line_speed;
			vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
3913
			bnx2x_wait_reset_complete(bp, phy);
Y
Yaniv Rosner 已提交
3914 3915
			bnx2x_set_autoneg(phy, params, vars, 0);
			bnx2x_program_serdes(phy, params, vars);
3916 3917
			vars->line_speed = temp;

3918
			bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
3919
				      1 << NIG_LATCH_BC_ENABLE_MI_INT);
3920

Y
Yaniv Rosner 已提交
3921
			bnx2x_cl45_write(bp, phy,
3922 3923
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
3924

Y
Yaniv Rosner 已提交
3925
			bnx2x_8481_set_led(bp, phy);
3926

Y
Yaniv Rosner 已提交
3927
			bnx2x_cl45_read(bp, phy,
3928 3929 3930
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_1000T_CTRL,
					&an_1000_val);
Y
Yaniv Rosner 已提交
3931 3932
			bnx2x_ext_phy_set_pause(params, phy, vars);
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3933 3934
					MDIO_AN_REG_8481_LEGACY_AN_ADV,
					&an_10_100_val);
Y
Yaniv Rosner 已提交
3935
			bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953
					MDIO_AN_REG_8481_LEGACY_MII_CTRL,
					&autoneg_val);
			/* Disable forced speed */
			autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) |
					 (1<<13));
			an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));

			if (((params->req_line_speed == SPEED_AUTO_NEG) &&
			     (params->speed_cap_mask &
			      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
			    (params->req_line_speed == SPEED_1000)) {
				an_1000_val |= (1<<8);
				autoneg_val |= (1<<9 | 1<<12);
				if (params->req_duplex == DUPLEX_FULL)
					an_1000_val |= (1<<9);
				DP(NETIF_MSG_LINK, "Advertising 1G\n");
			} else
				an_1000_val &= ~((1<<8) | (1<<9));
3954

Y
Yaniv Rosner 已提交
3955
			bnx2x_cl45_write(bp, phy,
3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970
					 MDIO_AN_DEVAD,
					 MDIO_AN_REG_8481_1000T_CTRL,
					 an_1000_val);

			/* set 10 speed advertisement */
			if (((params->req_line_speed == SPEED_AUTO_NEG) &&
			     (params->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);
3971 3972

				if (params->req_duplex == DUPLEX_FULL)
3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986
					an_10_100_val |= (1<<8);
				DP(NETIF_MSG_LINK, "Advertising 100M\n");
			}
			/* set 10 speed advertisement */
			if (((params->req_line_speed == SPEED_AUTO_NEG) &&
			     (params->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 (params->req_duplex == DUPLEX_FULL)
					an_10_100_val |= (1<<6);
				DP(NETIF_MSG_LINK, "Advertising 10M\n");
			}
3987

3988 3989 3990 3991
			/* Only 10/100 are allowed to work in FORCE mode */
			if (params->req_line_speed == SPEED_100) {
				autoneg_val |= (1<<13);
				/* Enabled AUTO-MDIX when autoneg is disabled */
Y
Yaniv Rosner 已提交
3992
				bnx2x_cl45_write(bp, phy,
3993 3994 3995 3996 3997 3998 3999
						 MDIO_AN_DEVAD,
						 MDIO_AN_REG_8481_AUX_CTRL,
						 (1<<15 | 1<<9 | 7<<0));
				DP(NETIF_MSG_LINK, "Setting 100M force\n");
			}
			if (params->req_line_speed == SPEED_10) {
				/* Enabled AUTO-MDIX when autoneg is disabled */
Y
Yaniv Rosner 已提交
4000
				bnx2x_cl45_write(bp, phy,
4001 4002 4003 4004 4005
						 MDIO_AN_DEVAD,
						 MDIO_AN_REG_8481_AUX_CTRL,
						 (1<<15 | 1<<9 | 7<<0));
				DP(NETIF_MSG_LINK, "Setting 10M force\n");
			}
4006

Y
Yaniv Rosner 已提交
4007
			bnx2x_cl45_write(bp, phy,
4008 4009 4010
					 MDIO_AN_DEVAD,
					 MDIO_AN_REG_8481_LEGACY_AN_ADV,
					 an_10_100_val);
4011

4012 4013
			if (params->req_duplex == DUPLEX_FULL)
				autoneg_val |= (1<<8);
4014

Y
Yaniv Rosner 已提交
4015
			bnx2x_cl45_write(bp, phy,
4016 4017 4018
					 MDIO_AN_DEVAD,
					 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
					 autoneg_val);
4019

4020 4021 4022 4023 4024 4025
			if (((params->req_line_speed == SPEED_AUTO_NEG) &&
			     (params->speed_cap_mask &
			      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
			    (params->req_line_speed == SPEED_10000)) {
				DP(NETIF_MSG_LINK, "Advertising 10G\n");
				/* Restart autoneg for 10G*/
4026

Y
Yaniv Rosner 已提交
4027
				bnx2x_cl45_write(bp, phy,
4028 4029 4030 4031 4032 4033
						 MDIO_AN_DEVAD,
						 MDIO_AN_REG_CTRL,
						 0x3200);

			} else if (params->req_line_speed != SPEED_10 &&
				   params->req_line_speed != SPEED_100)
Y
Yaniv Rosner 已提交
4034
				bnx2x_cl45_write(bp, phy,
4035 4036 4037
					     MDIO_AN_DEVAD,
					     MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
					     1);
E
Eilon Greenstein 已提交
4038

4039
			/* Save spirom version */
Y
Yaniv Rosner 已提交
4040 4041
			bnx2x_save_8481_spirom_version(phy, params,
						       params->shmem_base);
Y
Yaniv Rosner 已提交
4042
			return 0;
4043
		}
Y
Yaniv Rosner 已提交
4044
}
Y
Yaniv Rosner 已提交
4045

Y
Yaniv Rosner 已提交
4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067
static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 temp;
	msleep(1);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
		       params->port);
	msleep(200); /* 100 is not enough */

	/**
	 * BCM84823 requires that XGXS links up first @ 10G for normal
	 * behavior
	 */
	temp = vars->line_speed;
	vars->line_speed = SPEED_10000;
	bnx2x_set_autoneg(phy, params, vars, 0);
	bnx2x_program_serdes(phy, params, vars);
	vars->line_speed = temp;
	return bnx2x_848xx_cmn_config_init(phy, params, vars);
Y
Yaniv Rosner 已提交
4068 4069
}

Y
Yaniv Rosner 已提交
4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084
static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	/* 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_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
4085 4086
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
E
Eilon Greenstein 已提交
4087 4088 4089 4090 4091 4092 4093
{
	struct bnx2x *bp = params->bp;
	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));
Y
Yaniv Rosner 已提交
4094
	bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
	if (mod_abs & (1<<8)) {

		/* Module is absent */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is absent\n");

		/* 1. Set mod_abs to detect next module
		presence event
		   2. Set EDC off by setting OPTXLOS signal input to low
			(bit 9).
			When the EDC is off it locks onto a reference clock and
			avoids becoming 'lost'.*/
		mod_abs &= ~((1<<8)|(1<<9));
Y
Yaniv Rosner 已提交
4110
		bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
4111 4112 4113 4114 4115
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);

		/* Clear RX alarm since it stays up as long as
		the mod_abs wasn't changed */
Y
Yaniv Rosner 已提交
4116
		bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);

	} 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*/

		/* 1. Set mod_abs to detect next module
		absent event ( bit 8)
		   2. Restore the default polarity of the OPRXLOS signal and
		this signal will then correctly indicate the presence or
		absence of the Rx signal. (bit 9) */
		mod_abs |= ((1<<8)|(1<<9));
Y
Yaniv Rosner 已提交
4134
		bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
4135 4136 4137 4138 4139 4140 4141
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);

		/* Clear RX alarm since it stays up as long as
		the mod_abs wasn't changed. This is need to be done
		before calling the module detection, otherwise it will clear
		the link update alarm */
Y
Yaniv Rosner 已提交
4142
		bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4143 4144 4145 4146 4147 4148
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);


		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
Y
Yaniv Rosner 已提交
4149
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
E
Eilon Greenstein 已提交
4150

Y
Yaniv Rosner 已提交
4151 4152
		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
E
Eilon Greenstein 已提交
4153 4154 4155 4156 4157 4158 4159 4160 4161 4162
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
	}

	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
Yaniv Rosner 已提交
4163
static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
4164
				 struct link_params *params,
Y
Yaniv Rosner 已提交
4165
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
4166 4167
{
	u8 ext_phy_link_up = 0;
Y
Yaniv Rosner 已提交
4168 4169
	u16 val1, rx_sd;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4170
			DP(NETIF_MSG_LINK, "XGXS 8705\n");
Y
Yaniv Rosner 已提交
4171
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4172 4173 4174 4175
				      MDIO_WIS_DEVAD,
				      MDIO_WIS_REG_LASI_STATUS, &val1);
			DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);

Y
Yaniv Rosner 已提交
4176
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4177 4178 4179 4180
				      MDIO_WIS_DEVAD,
				      MDIO_WIS_REG_LASI_STATUS, &val1);
			DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);

Y
Yaniv Rosner 已提交
4181
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4182 4183
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_RX_SD, &rx_sd);
E
Eilon Greenstein 已提交
4184

Y
Yaniv Rosner 已提交
4185
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4186 4187
				      1,
				      0xc809, &val1);
Y
Yaniv Rosner 已提交
4188
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4189 4190 4191 4192
				      1,
				      0xc809, &val1);

			DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
4193 4194
			ext_phy_link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) &&
					   ((val1 & (1<<8)) == 0));
Y
Yaniv Rosner 已提交
4195 4196
			if (ext_phy_link_up)
				vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
4197 4198
			return ext_phy_link_up;
}
Y
Yaniv Rosner 已提交
4199

Y
Yaniv Rosner 已提交
4200 4201 4202 4203 4204 4205 4206
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;
E
Eilon Greenstein 已提交
4207 4208
			DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
			/* Clear RX Alarm*/
Y
Yaniv Rosner 已提交
4209
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4210 4211 4212
				      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
				      &val2);
			/* clear LASI indication*/
Y
Yaniv Rosner 已提交
4213
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4214 4215
				      MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS,
				      &val1);
Y
Yaniv Rosner 已提交
4216
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4217 4218 4219 4220
				      MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS,
				      &val2);
			DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x-->"
				     "0x%x\n", val1, val2);
Y
Yaniv Rosner 已提交
4221

Y
Yaniv Rosner 已提交
4222
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4223 4224
				      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD,
				      &rx_sd);
Y
Yaniv Rosner 已提交
4225
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4226 4227
				      MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS,
				      &pcs_status);
Y
Yaniv Rosner 已提交
4228
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4229 4230
				      MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS,
				      &val2);
Y
Yaniv Rosner 已提交
4231
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4232 4233
				      MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS,
				      &val2);
Y
Yaniv Rosner 已提交
4234

E
Eilon Greenstein 已提交
4235
			DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x"
Y
Yaniv Rosner 已提交
4236 4237 4238 4239 4240 4241
			   "  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
			 */
Y
Yaniv Rosner 已提交
4242 4243 4244
			link_up = ((rx_sd & pcs_status & 0x1) ||
					(val2 & (1<<1)));
			if (link_up) {
4245 4246 4247 4248
				if (val2 & (1<<1))
					vars->line_speed = SPEED_1000;
				else
					vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
4249 4250
				bnx2x_ext_phy_resolve_fc(phy, params, vars);
				return link_up;
4251
			}
Y
Yaniv Rosner 已提交
4252 4253
			return 0;
}
E
Eilon Greenstein 已提交
4254

Y
Yaniv Rosner 已提交
4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287
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);
}

static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
	if (link_up) {
		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");
			link_up = 0;
			vars->line_speed = 0;
		}
	}
	return link_up;
}
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

{
	struct bnx2x *bp = params->bp;
	u8 ext_phy_link_up = 0;
E
Eilon Greenstein 已提交
4288
			u16 link_status = 0;
Y
Yaniv Rosner 已提交
4289
			u16 rx_alarm_status, val1;
E
Eilon Greenstein 已提交
4290
			/* Check the LASI */
Y
Yaniv Rosner 已提交
4291
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4292 4293 4294 4295 4296 4297
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);

			DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
				 rx_alarm_status);

Y
Yaniv Rosner 已提交
4298
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4299 4300 4301 4302 4303 4304 4305 4306
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_LASI_STATUS, &val1);

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

			/* Clear MSG-OUT */
Y
Yaniv Rosner 已提交
4307
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4308 4309 4310 4311 4312 4313 4314 4315
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_M8051_MSGOUT_REG,
				      &val1);

			/*
			 * If a module is present and there is need to check
			 * for over current
			 */
Y
Yaniv Rosner 已提交
4316
			if (!(phy->flags & FLAGS_NOC) &&
E
Eilon Greenstein 已提交
4317 4318
			    !(rx_alarm_status & (1<<5))) {
				/* Check over-current using 8727 GPIO0 input*/
Y
Yaniv Rosner 已提交
4319
				bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4320 4321 4322 4323 4324 4325
					      MDIO_PMA_DEVAD,
					      MDIO_PMA_REG_8727_GPIO_CTRL,
					      &val1);

				if ((val1 & (1<<8)) == 0) {
					DP(NETIF_MSG_LINK, "8727 Power fault"
4326 4327 4328
						     " has been detected on "
						     "port %d\n",
						 params->port);
4329 4330
					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);
E
Eilon Greenstein 已提交
4331 4332 4333 4334
					/*
					 * Disable all RX_ALARMs except for
					 * mod_abs
					 */
Y
Yaniv Rosner 已提交
4335
					bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
4336 4337 4338 4339
						     MDIO_PMA_DEVAD,
						     MDIO_PMA_REG_RX_ALARM_CTRL,
						     (1<<5));

Y
Yaniv Rosner 已提交
4340
					bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4341 4342 4343 4344 4345
						    MDIO_PMA_DEVAD,
						    MDIO_PMA_REG_PHY_IDENTIFIER,
						    &val1);
					/* Wait for module_absent_event */
					val1 |= (1<<8);
Y
Yaniv Rosner 已提交
4346
					bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
4347 4348 4349 4350
						    MDIO_PMA_DEVAD,
						    MDIO_PMA_REG_PHY_IDENTIFIER,
						    val1);
					/* Clear RX alarm */
Y
Yaniv Rosner 已提交
4351
					bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4352 4353 4354
						      MDIO_PMA_DEVAD,
						      MDIO_PMA_REG_RX_ALARM,
						      &rx_alarm_status);
Y
Yaniv Rosner 已提交
4355
					return ext_phy_link_up;
E
Eilon Greenstein 已提交
4356 4357 4358 4359 4360
				}
			} /* Over current check */

			/* When module absent bit is set, check module */
			if (rx_alarm_status & (1<<5)) {
Y
Yaniv Rosner 已提交
4361
				bnx2x_8727_handle_mod_abs(phy, params);
E
Eilon Greenstein 已提交
4362
				/* Enable all mod_abs and link detection bits */
Y
Yaniv Rosner 已提交
4363
				bnx2x_cl45_write(bp, phy,
E
Eilon Greenstein 已提交
4364 4365 4366 4367 4368 4369 4370
					       MDIO_PMA_DEVAD,
					       MDIO_PMA_REG_RX_ALARM_CTRL,
					       ((1<<5) | (1<<2)));
			}

			/* If transmitter is disabled,
			ignore false link up indication */
Y
Yaniv Rosner 已提交
4371
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4372 4373 4374 4375 4376 4377
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_PHY_IDENTIFIER,
				      &val1);
			if (val1 & (1<<15)) {
				DP(NETIF_MSG_LINK, "Tx is disabled\n");
				ext_phy_link_up = 0;
Y
Yaniv Rosner 已提交
4378
				return ext_phy_link_up;
E
Eilon Greenstein 已提交
4379 4380
			}

Y
Yaniv Rosner 已提交
4381
			bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4382 4383 4384
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				      &link_status);
4385

E
Eilon Greenstein 已提交
4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404
			/* Bits 0..2 --> speed detected,
			   bits 13..15--> link is down */
			if ((link_status & (1<<2)) &&
			    (!(link_status & (1<<15)))) {
				ext_phy_link_up = 1;
				vars->line_speed = SPEED_10000;
			} else if ((link_status & (1<<0)) &&
				   (!(link_status & (1<<13)))) {
				ext_phy_link_up = 1;
				vars->line_speed = SPEED_1000;
				DP(NETIF_MSG_LINK,
					 "port %x: External link"
					 " up in 1G\n", params->port);
			} else {
				ext_phy_link_up = 0;
				DP(NETIF_MSG_LINK,
					 "port %x: External link"
					 " is down\n", params->port);
			}
Y
Yaniv Rosner 已提交
4405
			return ext_phy_link_up;
E
Eilon Greenstein 已提交
4406

Y
Yaniv Rosner 已提交
4407 4408 4409 4410 4411 4412 4413 4414
}
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 ext_phy_link_up = 0;
	u16 val1, val2;
Y
Yaniv Rosner 已提交
4415 4416
			u16 link_status = 0;
			u16 an1000_status = 0;
4417

Y
Yaniv Rosner 已提交
4418
			if (phy->type ==
Y
Yaniv Rosner 已提交
4419
			     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) {
Y
Yaniv Rosner 已提交
4420
				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4421 4422
				      MDIO_PCS_DEVAD,
				      MDIO_PCS_REG_LASI_STATUS, &val1);
Y
Yaniv Rosner 已提交
4423
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4424 4425 4426 4427 4428 4429 4430 4431 4432
				      MDIO_PCS_DEVAD,
				      MDIO_PCS_REG_LASI_STATUS, &val2);
			DP(NETIF_MSG_LINK,
				 "870x LASI status 0x%x->0x%x\n",
				  val1, val2);
			} else {
				/* In 8073, port1 is directed through emac0 and
				 * port0 is directed through emac1
				 */
Y
Yaniv Rosner 已提交
4433
				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4434 4435 4436 4437
					      MDIO_PMA_DEVAD,
					      MDIO_PMA_REG_LASI_STATUS, &val1);

				DP(NETIF_MSG_LINK,
Y
Yaniv Rosner 已提交
4438 4439
					 "8703 LASI status 0x%x\n",
					  val1);
Y
Yaniv Rosner 已提交
4440

Y
Yaniv Rosner 已提交
4441
			}
Y
Yaniv Rosner 已提交
4442
			/* clear the interrupt LASI status register */
Y
Yaniv Rosner 已提交
4443
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4444 4445
				      MDIO_PCS_DEVAD,
				      MDIO_PCS_REG_STATUS, &val2);
Y
Yaniv Rosner 已提交
4446
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4447 4448 4449 4450
				      MDIO_PCS_DEVAD,
				      MDIO_PCS_REG_STATUS, &val1);
			DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n",
			   val2, val1);
Y
Yaniv Rosner 已提交
4451
			/* Clear MSG-OUT */
Y
Yaniv Rosner 已提交
4452
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4453
				      MDIO_PMA_DEVAD,
E
Eilon Greenstein 已提交
4454
				      MDIO_PMA_REG_M8051_MSGOUT_REG,
Y
Yaniv Rosner 已提交
4455 4456 4457
				      &val1);

			/* Check the LASI */
Y
Yaniv Rosner 已提交
4458
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4459
				      MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
4460 4461 4462 4463
				      MDIO_PMA_REG_RX_ALARM, &val2);

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

Y
Yaniv Rosner 已提交
4464
			/* Check the link status */
Y
Yaniv Rosner 已提交
4465
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4466 4467 4468 4469
				      MDIO_PCS_DEVAD,
				      MDIO_PCS_REG_STATUS, &val2);
			DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);

Y
Yaniv Rosner 已提交
4470
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4471 4472
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_STATUS, &val2);
Y
Yaniv Rosner 已提交
4473
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4474 4475 4476 4477
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_STATUS, &val1);
			ext_phy_link_up = ((val1 & 4) == 4);
			DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
Y
Yaniv Rosner 已提交
4478
			if (phy->type ==
Y
Yaniv Rosner 已提交
4479
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
Y
Yaniv Rosner 已提交
4480

Y
Yaniv Rosner 已提交
4481
				if (ext_phy_link_up &&
Y
Yaniv Rosner 已提交
4482 4483
				    ((params->req_line_speed !=
					SPEED_10000))) {
Y
Yaniv Rosner 已提交
4484
					if (bnx2x_8073_xaui_wa(bp, phy)
Y
Yaniv Rosner 已提交
4485 4486
					     != 0) {
						ext_phy_link_up = 0;
Y
Yaniv Rosner 已提交
4487
						return ext_phy_link_up;
Y
Yaniv Rosner 已提交
4488
					}
Y
Yaniv Rosner 已提交
4489
				}
Y
Yaniv Rosner 已提交
4490
				bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4491 4492 4493
					      MDIO_AN_DEVAD,
					      MDIO_AN_REG_LINK_STATUS,
					      &an1000_status);
Y
Yaniv Rosner 已提交
4494
				bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4495 4496 4497
					      MDIO_AN_DEVAD,
					      MDIO_AN_REG_LINK_STATUS,
					      &an1000_status);
Y
Yaniv Rosner 已提交
4498

Y
Yaniv Rosner 已提交
4499
				/* Check the link status on 1.1.2 */
Y
Yaniv Rosner 已提交
4500
				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4501 4502
					      MDIO_PMA_DEVAD,
					      MDIO_PMA_REG_STATUS, &val2);
Y
Yaniv Rosner 已提交
4503
				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4504 4505 4506 4507 4508 4509
					      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);

E
Eilon Greenstein 已提交
4510
				ext_phy_link_up = (((val1 & 4) == 4) ||
Y
Yaniv Rosner 已提交
4511
						(an1000_status & (1<<1)));
Y
Yaniv Rosner 已提交
4512
				if (ext_phy_link_up &&
Y
Yaniv Rosner 已提交
4513
				    bnx2x_8073_is_snr_needed(bp, phy)) {
Y
Yaniv Rosner 已提交
4514 4515 4516 4517 4518 4519 4520
					/* 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 */
Y
Yaniv Rosner 已提交
4521
					bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4522 4523 4524 4525 4526 4527
						    MDIO_PMA_DEVAD,
						    MDIO_PMA_REG_PLL_BANDWIDTH,
						    0x26BC);

					/* Change CDR Bandwidth in EDC
					register */
Y
Yaniv Rosner 已提交
4528
					bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
4529 4530 4531
						    MDIO_PMA_DEVAD,
						    MDIO_PMA_REG_CDR_BANDWIDTH,
						    0x0333);
Y
Yaniv Rosner 已提交
4532
				}
Y
Yaniv Rosner 已提交
4533
				bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4534 4535 4536
					   MDIO_PMA_DEVAD,
					   MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
					   &link_status);
Y
Yaniv Rosner 已提交
4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568

				/* Bits 0..2 --> speed detected,
				   bits 13..15--> link is down */
				if ((link_status & (1<<2)) &&
				    (!(link_status & (1<<15)))) {
					ext_phy_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)))) {
					ext_phy_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)))) {
					ext_phy_link_up = 1;
					vars->line_speed = SPEED_1000;
					DP(NETIF_MSG_LINK,
						 "port %x: External link"
						 " up in 1G\n", params->port);
				} else {
					ext_phy_link_up = 0;
					DP(NETIF_MSG_LINK,
						 "port %x: External link"
						 " is down\n", params->port);
				}
			} else {
				/* See if 1G link is up for the 8072 */
Y
Yaniv Rosner 已提交
4569
				bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4570 4571 4572
					      MDIO_AN_DEVAD,
					      MDIO_AN_REG_LINK_STATUS,
					      &an1000_status);
Y
Yaniv Rosner 已提交
4573
				bnx2x_cl45_read(bp, phy,
E
Eilon Greenstein 已提交
4574 4575 4576
					      MDIO_AN_DEVAD,
					      MDIO_AN_REG_LINK_STATUS,
					      &an1000_status);
Y
Yaniv Rosner 已提交
4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588
				if (an1000_status & (1<<1)) {
					ext_phy_link_up = 1;
					vars->line_speed = SPEED_1000;
					DP(NETIF_MSG_LINK,
						 "port %x: External link"
						 " up in 1G\n", params->port);
				} else if (ext_phy_link_up) {
					ext_phy_link_up = 1;
					vars->line_speed = SPEED_10000;
					DP(NETIF_MSG_LINK,
						 "port %x: External link"
						 " up in 10G\n", params->port);
Y
Yaniv Rosner 已提交
4589 4590
				}
			}
Y
Yaniv Rosner 已提交
4591

Y
Yaniv Rosner 已提交
4592 4593 4594 4595 4596 4597 4598 4599 4600 4601
			return ext_phy_link_up;
}

static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 ext_phy_link_up;
	u16 val1, val2;
Y
Yaniv Rosner 已提交
4602
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4603 4604
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_LASI_STATUS, &val2);
Y
Yaniv Rosner 已提交
4605
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4606 4607 4608 4609 4610
				      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);
Y
Yaniv Rosner 已提交
4611
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4612 4613
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_STATUS, &val2);
Y
Yaniv Rosner 已提交
4614
			bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4615 4616 4617 4618 4619 4620 4621 4622 4623 4624
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_STATUS, &val1);
			DP(NETIF_MSG_LINK,
				 "10G-base-T PMA status 0x%x->0x%x\n",
				 val2, val1);
			ext_phy_link_up = ((val1 & 4) == 4);
			/* if link is up
			 * print the AN outcome of the SFX7101 PHY
			 */
			if (ext_phy_link_up) {
Y
Yaniv Rosner 已提交
4625
				bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4626 4627 4628
					      MDIO_AN_DEVAD,
					      MDIO_AN_REG_MASTER_STATUS,
					      &val2);
4629
				vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
4630 4631 4632 4633 4634
				DP(NETIF_MSG_LINK,
					 "SFX7101 AN status 0x%x->Master=%x\n",
					  val2,
					 (val2 & (1<<14)));
			}
Y
Yaniv Rosner 已提交
4635 4636 4637 4638 4639 4640 4641 4642 4643 4644 4645
			return ext_phy_link_up;
}

static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 val1, val2;
	u8 ext_phy_link_up = 0;

E
Eilon Greenstein 已提交
4646
			/* Check 10G-BaseT link status */
4647
			/* Check PMD signal ok */
Y
Yaniv Rosner 已提交
4648
			bnx2x_cl45_read(bp, phy,
4649 4650 4651
						      MDIO_AN_DEVAD,
						      0xFFFA,
						      &val1);
Y
Yaniv Rosner 已提交
4652
			bnx2x_cl45_read(bp, phy,
4653 4654 4655 4656 4657 4658 4659
				      MDIO_PMA_DEVAD,
				      MDIO_PMA_REG_8481_PMD_SIGNAL,
				      &val2);
			DP(NETIF_MSG_LINK, "PMD_SIGNAL 1.a811 = 0x%x\n", val2);

			/* Check link 10G */
			if (val2 & (1<<11)) {
E
Eilon Greenstein 已提交
4660 4661
				vars->line_speed = SPEED_10000;
				ext_phy_link_up = 1;
4662 4663 4664 4665 4666
			} else { /* Check Legacy speed link */
				u16 legacy_status, legacy_speed;

				/* Enable expansion register 0x42
				(Operation mode status) */
Y
Yaniv Rosner 已提交
4667
				bnx2x_cl45_write(bp, phy,
4668 4669 4670
					 MDIO_AN_DEVAD,
					 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS,
					 0xf42);
Y
Yaniv Rosner 已提交
4671

4672
				/* Get legacy speed operation status */
Y
Yaniv Rosner 已提交
4673
				bnx2x_cl45_read(bp, phy,
4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704
					  MDIO_AN_DEVAD,
					  MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
					  &legacy_status);

				DP(NETIF_MSG_LINK, "Legacy speed status"
					     " = 0x%x\n", legacy_status);
				ext_phy_link_up = ((legacy_status & (1<<11))
						   == (1<<11));
				if (ext_phy_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;

					if (legacy_status & (1<<8))
						vars->duplex = DUPLEX_FULL;
					else
						vars->duplex = DUPLEX_HALF;

					DP(NETIF_MSG_LINK, "Link is up "
						     "in %dMbps, is_duplex_full"
						     "= %d\n",
						vars->line_speed,
						(vars->duplex == DUPLEX_FULL));
E
Eilon Greenstein 已提交
4705 4706
				}
			}
Y
Yaniv Rosner 已提交
4707
			return ext_phy_link_up;
Y
Yaniv Rosner 已提交
4708
}
Y
Yaniv Rosner 已提交
4709

Y
Yaniv Rosner 已提交
4710 4711 4712 4713 4714
static void bnx2x_link_int_enable(struct link_params *params)
{
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
4715

Y
Yaniv Rosner 已提交
4716 4717 4718 4719 4720 4721 4722
	/* 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");
Y
Yaniv Rosner 已提交
4723 4724 4725
		if (!(SINGLE_MEDIA_DIRECT(params)) &&
			params->phy[INT_PHY].type !=
				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Y
Yaniv Rosner 已提交
4726 4727 4728 4729 4730 4731 4732
			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");
Y
Yaniv Rosner 已提交
4733 4734 4735
		if (!(SINGLE_MEDIA_DIRECT(params)) &&
			params->phy[INT_PHY].type !=
				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Y
Yaniv Rosner 已提交
4736 4737 4738 4739 4740 4741 4742
			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);
4743 4744

	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Y
Yaniv Rosner 已提交
4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755
		 (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));
}

4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790
static void bnx2x_8481_rearm_latch_signal(struct bnx2x *bp, u8 port,
					u8 is_mi_int)
{
	u32 latch_status = 0, is_mi_int_status;
	/* Disable the MI INT ( external phy int )
	 * by writing 1 to the status register. Link down indication
	 * is high-active-signal, so in this case we need to write the
	 * status to clear the XOR
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
				  NIG_REG_LATCH_STATUS_0 + port*8);
	is_mi_int_status = REG_RD(bp,
				  NIG_REG_STATUS_INTERRUPT_PORT0 + port*4);
	DP(NETIF_MSG_LINK, "original_signal = 0x%x, nig_status = 0x%x,"
		     "latch_status = 0x%x\n",
		 is_mi_int, is_mi_int_status, latch_status);
	/* Handle only those with latched-signal=up.*/
	if (latch_status & 1) {
		/* For all latched-signal=up,Write original_signal to status */
		if (is_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);
		/* For all latched-signal=up : Re-Arm Latch signals */
		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
			   (latch_status & 0xfffe) | (latch_status & 1));
	}
}
Y
Yaniv Rosner 已提交
4791

Y
Yaniv Rosner 已提交
4792 4793 4794 4795
/*
 * link management
 */
static void bnx2x_link_int_ack(struct link_params *params,
4796 4797
			     struct link_vars *vars, u8 is_10g,
			     u8 is_mi_int)
Y
Yaniv Rosner 已提交
4798 4799 4800 4801 4802 4803 4804 4805 4806 4807
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;

	/* 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));
Y
Yaniv Rosner 已提交
4808
	if ((params->phy[EXT_PHY1].type
Y
Yaniv Rosner 已提交
4809
		== PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481) ||
Y
Yaniv Rosner 已提交
4810
	(params->phy[EXT_PHY1].type
Y
Yaniv Rosner 已提交
4811
		== PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823)) {
4812 4813
		bnx2x_8481_rearm_latch_signal(bp, port, is_mi_int);
	}
Y
Yaniv Rosner 已提交
4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832
	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);

		} 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);

4833 4834
			DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
				 vars->line_speed);
Y
Yaniv Rosner 已提交
4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE));

		} 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);
		}

	} else { /* link_down */
	}
}

Y
Yaniv Rosner 已提交
4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867
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;
	return 0;
}

static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
4868 4869 4870 4871 4872
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
4873
	if (*len < 10) {
4874
		/* Need more than 10chars for this format */
Y
Yaniv Rosner 已提交
4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896
		*str_ptr = '\0';
		return -EINVAL;
	}
	while (shift > 0) {

		shift -= 4;
		digit = ((num & mask) >> shift);
		if (digit < 0xa)
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
		str_ptr++;
		mask = mask >> 4;
		if (shift == 4*4) {
			*str_ptr = ':';
			str_ptr++;
		}
	}
	*str_ptr = '\0';
	return 0;
}

Y
Yaniv Rosner 已提交
4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912
static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
{
	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;
}

static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
{
	str[0] = '\0';
	(*len)--;
	return 0;
}

Y
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4913 4914 4915
u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
			      u8 *version, u16 len)
{
4916
	struct bnx2x *bp;
E
Eilon Greenstein 已提交
4917
	u32 spirom_ver = 0;
Y
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4918 4919
	u8 status = 0;
	u8 *ver_p = version;
Y
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4920 4921
	if (version == NULL || params == NULL)
		return -EINVAL;
4922
	bp = params->bp;
Y
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4923

Y
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4924 4925 4926
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
4927

Y
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4928 4929 4930 4931
	if (params->phy[EXT_PHY1].format_fw_ver)
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
							      &len);
Y
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4932 4933 4934
	return status;
}

Y
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4935 4936
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				  struct link_params *params,
Y
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4937 4938 4939 4940 4941 4942
				  u8 is_10g)
{
	u8 port = params->port;
	struct bnx2x *bp = params->bp;

	if (is_10g) {
E
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4943
		u32 md_devad;
Y
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4944 4945 4946 4947 4948 4949 4950 4951 4952

		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");

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

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

Y
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4953
		bnx2x_cl45_write(bp, phy,
Y
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4954 4955 4956 4957 4958
			       5,
			       (MDIO_REG_BANK_AER_BLOCK +
				(MDIO_AER_BLOCK_AER_REG & 0xf)),
			       0x2800);

Y
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4959
		bnx2x_cl45_write(bp, phy,
Y
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4960 4961 4962 4963
			       5,
			       (MDIO_REG_BANK_CL73_IEEEB0 +
				(MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
			       0x6041);
4964
		msleep(200);
Y
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4965
		/* set aer mmd back */
Y
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4966
		bnx2x_set_aer_mmd(params, phy);
Y
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4967 4968 4969 4970 4971 4972

		/* and md_devad */
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			    md_devad);

	} else {
Y
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4973
		u16 mii_ctrl;
Y
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4974
		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Y
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4975 4976 4977 4978 4979 4980 4981 4982 4983
		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);
Y
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4984 4985 4986
	}
}

Y
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4987 4988
static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
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4989 4990
{
	struct bnx2x *bp = params->bp;
Y
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4991 4992 4993
	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
}
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4994

Y
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4995 4996 4997 4998 4999 5000 5001
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
Y
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5002 5003 5004 5005 5006
}
/*
 *------------------------------------------------------------------------
 * bnx2x_override_led_value -
 *
Y
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5007
 * Override the led value of the requested led
Y
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5008 5009 5010 5011 5012 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 5083 5084 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 5114 5115 5116 5117 5118
 *
 *------------------------------------------------------------------------
 */
u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port,
			  u32 led_idx, u32 value)
{
	u32 reg_val;

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

	DP(NETIF_MSG_LINK,
		 "bnx2x_override_led_value() port %x led_idx %d value %d\n",
		 port, led_idx, value);

	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;
}


Y
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5119
u8 bnx2x_set_led(struct link_params *params, u8 mode, u32 speed)
Y
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5120
{
Y
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5121 5122
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
Y
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5123
	u8 rc = 0;
5124 5125
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Y
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5126
	struct bnx2x *bp = params->bp;
Y
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5127 5128 5129 5130 5131 5132 5133 5134
	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);
	switch (mode) {
	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);
5135 5136

		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
5137
		EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Y
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5138 5139 5140
		break;

	case LED_MODE_OPER:
Y
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5141
		if (SINGLE_MEDIA_DIRECT(params)) {
Y
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5142 5143 5144 5145 5146 5147 5148
			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);
		}

Y
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5149 5150 5151 5152 5153 5154 5155
		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);
5156
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
5157
		EMAC_WR(bp, EMAC_REG_EMAC_LED,
5158 5159
			    (tmp & (~EMAC_LED_OVERRIDE)));

Y
Yaniv Rosner 已提交
5160
		if (CHIP_IS_E1(bp) &&
5161
		    ((speed == SPEED_2500) ||
Y
Yaniv Rosner 已提交
5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190
		     (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;

	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
	}
	return rc;

}

u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 gp_status = 0;

Y
Yaniv Rosner 已提交
5191
	CL45_RD_OVER_CL22(bp, &params->phy[INT_PHY],
Y
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5192 5193 5194 5195
			      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 */
Y
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5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
		u8 ext_phy_link_up = 1;
		struct link_vars temp_vars;
		if (params->phy[EXT_PHY1].read_status)
			ext_phy_link_up &=
				params->phy[EXT_PHY1].read_status(
						&params->phy[EXT_PHY1],
						params, &temp_vars);
		if (ext_phy_link_up)
			return 0;
	}
Y
Yaniv Rosner 已提交
5207 5208 5209 5210 5211 5212 5213 5214 5215 5216

	return -ESRCH;
}

static u8 bnx2x_link_initialize(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u8 rc = 0;
Y
Yaniv Rosner 已提交
5217
	u8 phy_index, non_ext_phy;
Y
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5218 5219
	struct bnx2x_phy *ext_phy = &params->phy[EXT_PHY1];
	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
Y
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5220 5221
	/* Activate the external PHY */

Y
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5222
	bnx2x_set_aer_mmd(params, int_phy);
Y
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5223 5224

	if (vars->phy_flags & PHY_XGXS_FLAG)
Y
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5225
		bnx2x_set_master_ln(params, int_phy);
Y
Yaniv Rosner 已提交
5226

Y
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5227 5228 5229
	rc = bnx2x_reset_unicore(params, int_phy,
				 int_phy->type ==
				 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT);
Y
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5230 5231 5232 5233
	/* reset the SerDes and wait for reset bit return low */
	if (rc != 0)
		return rc;

Y
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5234
	bnx2x_set_aer_mmd(params, int_phy);
Y
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5235 5236 5237

	/* setting the masterLn_def again after the reset */
	if (vars->phy_flags & PHY_XGXS_FLAG) {
Y
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5238 5239
		bnx2x_set_master_ln(params, int_phy);
		bnx2x_set_swap_lanes(params, int_phy);
Y
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5240 5241 5242
	}

	if (vars->phy_flags & PHY_XGXS_FLAG) {
5243
		if ((params->req_line_speed &&
Y
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5244
		    ((params->req_line_speed == SPEED_100) ||
5245 5246 5247 5248 5249 5250 5251
		     (params->req_line_speed == SPEED_10))) ||
		    (!params->req_line_speed &&
		     (params->speed_cap_mask >=
		       PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
		     (params->speed_cap_mask <
		       PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
		     ))  {
Y
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5252 5253 5254 5255 5256
			vars->phy_flags |= PHY_SGMII_FLAG;
		} else {
			vars->phy_flags &= ~PHY_SGMII_FLAG;
		}
	}
5257 5258 5259 5260 5261
	/* In case of external phy existance, 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->req_line_speed;
Y
Yaniv Rosner 已提交
5262

Y
Yaniv Rosner 已提交
5263
	bnx2x_calc_ieee_aneg_adv(int_phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
5264

5265
	/* init ext phy and enable link state int */
Y
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5266 5267
	non_ext_phy = ((ext_phy->type ==
			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ||
5268
		       (params->loopback_mode == LOOPBACK_XGXS_10));
5269 5270

	if (non_ext_phy ||
Y
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5271 5272 5273
	    (ext_phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
	    (ext_phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) ||
	    (ext_phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) ||
5274
	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Y
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5275 5276 5277
		if (vars->line_speed == SPEED_AUTO_NEG)
			bnx2x_set_parallel_detection(int_phy, params);
		bnx2x_init_internal_phy(int_phy, params, vars);
Y
Yaniv Rosner 已提交
5278 5279
	}

5280
	if (!non_ext_phy)
Y
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5281 5282 5283 5284 5285 5286
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
Y
Yaniv Rosner 已提交
5287 5288

	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5289 5290 5291
		     (NIG_STATUS_XGXS0_LINK10G |
		      NIG_STATUS_XGXS0_LINK_STATUS |
		      NIG_STATUS_SERDES0_LINK_STATUS));
Y
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5292 5293 5294 5295

	return rc;
}

Y
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5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324
static void set_phy_vars(struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 actual_phy_idx, phy_index;

	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {

		actual_phy_idx = phy_index;
		params->phy[actual_phy_idx].req_flow_ctrl  =
			params->req_flow_ctrl;

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

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

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

		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);
	}
}

Y
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5325 5326 5327 5328
u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 val;
5329 5330 5331 5332

	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
	DP(NETIF_MSG_LINK, "req_speed %d, req_flowctrl %d\n",
		 params->req_line_speed, params->req_flow_ctrl);
Y
Yaniv Rosner 已提交
5333
	vars->link_status = 0;
5334 5335 5336 5337
	vars->phy_link_up = 0;
	vars->link_up = 0;
	vars->line_speed = 0;
	vars->duplex = DUPLEX_FULL;
5338
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5339
	vars->mac_type = MAC_TYPE_NONE;
Y
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5340
	vars->phy_flags = 0;
Y
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5341 5342 5343 5344 5345 5346 5347 5348 5349 5350

	/* 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);

Y
Yaniv Rosner 已提交
5351 5352 5353 5354 5355 5356 5357
	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);
Y
Yaniv Rosner 已提交
5358
	if (CHIP_REV_IS_FPGA(bp)) {
5359

Y
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5360 5361 5362
		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
5363
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5364
		vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
5365 5366 5367
		/* enable on E1.5 FPGA */
		if (CHIP_IS_E1H(bp)) {
			vars->flow_ctrl |=
5368 5369
					(BNX2X_FLOW_CTRL_TX |
					 BNX2X_FLOW_CTRL_RX);
5370 5371 5372 5373
			vars->link_status |=
					(LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
					 LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
		}
Y
Yaniv Rosner 已提交
5374 5375 5376 5377

		bnx2x_emac_enable(params, vars, 0);
		bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
		/* disable drain */
5378
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
Yaniv Rosner 已提交
5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390

		/* 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;
5391
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407
		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) {
5408

Y
Yaniv Rosner 已提交
5409 5410 5411
		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
5412
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
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5413 5414 5415 5416 5417
		vars->mac_type = MAC_TYPE_BMAC;

		vars->phy_flags = PHY_XGXS_FLAG;

		bnx2x_phy_deassert(params, vars->phy_flags);
Y
Yaniv Rosner 已提交
5418

Y
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5419 5420 5421 5422 5423
		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);

		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
		    params->port*4, 0);
5424

Y
Yaniv Rosner 已提交
5425
	} else if (params->loopback_mode == LOOPBACK_EMAC) {
5426

Y
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5427 5428 5429
		vars->link_up = 1;
		vars->line_speed = SPEED_1000;
		vars->duplex = DUPLEX_FULL;
5430
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
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5431 5432 5433 5434 5435 5436 5437
		vars->mac_type = MAC_TYPE_EMAC;

		vars->phy_flags = PHY_XGXS_FLAG;

		bnx2x_phy_deassert(params, vars->phy_flags);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
Y
Yaniv Rosner 已提交
5438
		bnx2x_emac_program(params, vars);
Y
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5439 5440
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
		    params->port*4, 0);
5441

Y
Yaniv Rosner 已提交
5442
	} else if ((params->loopback_mode == LOOPBACK_XGXS_10) ||
5443 5444
		   (params->loopback_mode == LOOPBACK_EXT_PHY)) {

Y
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5445 5446 5447
		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
5448
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5449 5450 5451 5452 5453 5454

		vars->phy_flags = PHY_XGXS_FLAG;

		val = REG_RD(bp,
				 NIG_REG_XGXS0_CTRL_PHY_ADDR+
				 params->port*0x18);
Y
Yaniv Rosner 已提交
5455

Y
Yaniv Rosner 已提交
5456 5457 5458 5459 5460 5461 5462 5463 5464
		bnx2x_phy_deassert(params, vars->phy_flags);
		bnx2x_link_initialize(params, vars);

		vars->mac_type = MAC_TYPE_BMAC;

		bnx2x_bmac_enable(params, vars, 0);

		if (params->loopback_mode == LOOPBACK_XGXS_10) {
			/* set 10G XGXS loopback */
Y
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5465 5466 5467 5468
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);

Y
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5469 5470
		} else {
			/* set external phy loopback */
Y
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5471 5472 5473 5474 5475 5476
			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],
Y
Yaniv Rosner 已提交
5477
					       params);
Y
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5478
			}
Y
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5479
		}
Y
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5480

Y
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5481 5482
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
			    params->port*4, 0);
5483

Y
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5484
		bnx2x_set_led(params, LED_MODE_OPER, vars->line_speed);
Y
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5485 5486 5487
	} else
	/* No loopback */
	{
Y
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5488 5489
		if (params->switch_cfg == SWITCH_CFG_10G)
			vars->phy_flags = PHY_XGXS_FLAG;
Y
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5490 5491
		bnx2x_phy_deassert(params, vars->phy_flags);
		bnx2x_link_initialize(params, vars);
5492
		msleep(30);
Y
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5493 5494 5495 5496 5497
		bnx2x_link_int_enable(params);
	}
	return 0;
}

E
Eilon Greenstein 已提交
5498

Y
Yaniv Rosner 已提交
5499 5500
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
5501
{
Y
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5502 5503
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
E
Eilon Greenstein 已提交
5504
	/* Set serial boot control for external load */
Y
Yaniv Rosner 已提交
5505
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
}

static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	/* Disable Transmitter */
	bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
}
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);
}
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);
}

static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
{
	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");
}

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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5571 5572 5573 5574
}

u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		  u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
5575 5576
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5577

Y
Yaniv Rosner 已提交
5578
	u8 phy_index, port = params->port;
Y
Yaniv Rosner 已提交
5579

5580
	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
Y
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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
	/* 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));

	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);

	/* 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);

	/* Stop BigMac rx */
	bnx2x_bmac_rx_disable(bp, port);

	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	msleep(10);
	/* The PHY reset is controled by GPIO 1
	 * Hold it as vars low
	 */
	 /* clear link led */
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5608
	bnx2x_set_led(params, LED_MODE_OFF, 0);
E
Eilon Greenstein 已提交
5609
	if (reset_ext_phy) {
Y
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5610 5611 5612 5613 5614 5615
		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
5616 5617 5618
		}
	}

Y
Yaniv Rosner 已提交
5619 5620 5621
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
Y
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5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634
	/* reset BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

	/* 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;
	return 0;
}

Y
Yaniv Rosner 已提交
5635

5636 5637 5638 5639 5640
static u8 bnx2x_update_link_down(struct link_params *params,
			       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
5641

5642
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Y
Yaniv Rosner 已提交
5643
	bnx2x_set_led(params, LED_MODE_OFF, 0);
5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655

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

	/* update shared memory */
	vars->link_status = 0;
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);

	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);

E
Eilon Greenstein 已提交
5656 5657 5658 5659 5660
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	msleep(10);

5661 5662 5663 5664 5665 5666 5667 5668 5669 5670
	/* 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));
	return 0;
}

static u8 bnx2x_update_link_up(struct link_params *params,
			     struct link_vars *vars,
Y
Yaniv Rosner 已提交
5671
			     u8 link_10g)
5672 5673 5674 5675
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u8 rc = 0;
5676

5677 5678 5679
	vars->link_status |= LINK_STATUS_LINK_UP;
	if (link_10g) {
		bnx2x_bmac_enable(params, vars, 0);
Y
Yaniv Rosner 已提交
5680
		bnx2x_set_led(params, LED_MODE_OPER, SPEED_10000);
5681
	} else {
Y
Yaniv Rosner 已提交
5682
		rc = bnx2x_emac_program(params, vars);
5683

5684 5685
		bnx2x_emac_enable(params, vars, 0);

5686
		/* AN complete? */
Y
Yaniv Rosner 已提交
5687 5688 5689 5690
		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);
5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701
	}

	/* PBF - link up */
	rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
			      vars->line_speed);

	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);

	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
5702
	msleep(20);
5703 5704
	return rc;
}
Y
Yaniv Rosner 已提交
5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716
/**
 * 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.
Y
Yaniv Rosner 已提交
5717 5718 5719 5720
*/
u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5721
	struct link_vars phy_vars[MAX_PHYS];
Y
Yaniv Rosner 已提交
5722
	u8 port = params->port;
Y
Yaniv Rosner 已提交
5723 5724
	u8 link_10g, phy_index;
	u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
5725
	u8 is_mi_int = 0;
Y
Yaniv Rosner 已提交
5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737
	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;
	}
Y
Yaniv Rosner 已提交
5738 5739

	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
5740 5741
		 port, (vars->phy_flags & PHY_XGXS_FLAG),
		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Y
Yaniv Rosner 已提交
5742

5743 5744
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
				    port*0x18) > 0);
Y
Yaniv Rosner 已提交
5745
	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
5746 5747 5748 5749
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 is_mi_int,
		 REG_RD(bp,
			    NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Y
Yaniv Rosner 已提交
5750 5751 5752 5753 5754

	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
Eilon Greenstein 已提交
5755 5756 5757
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);

Y
Yaniv Rosner 已提交
5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781
	/**
	* 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;
		}
5782

Y
Yaniv Rosner 已提交
5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
		}
	}
	prev_line_speed = vars->line_speed;
	/**
	* Step 2:
	* Read the status of the internal phy. In case of
	* DIRECT_SINGLE_MEDIA board, this link is the external link,
	* otherwise this is the link between the 577xx and the first
	* external phy
	*/
	if (params->phy[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.
	 */
	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.
		 */
		vars->link_status |= phy_vars[active_external_phy].link_status;
		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);
	}
	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
	 */
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	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);
		}
	}
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	/* 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));

5855
	bnx2x_link_int_ack(params, vars, link_10g, is_mi_int);
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	/**
	* 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);
		}
	}
	/**
	 *  Link is up only if both local phy and external phy (in case of
	 *  non-direct board) are up
	 */
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
			  SINGLE_MEDIA_DIRECT(params)));
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	if (vars->link_up)
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		rc = bnx2x_update_link_up(params, vars, link_10g);
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	else
		rc = bnx2x_update_link_down(params, vars);
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	return rc;
}

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static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
{
	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);
}

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()
	 */
	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);
}

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);
}
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/

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,
	.set_link_led	= (set_link_led_t)NULL
};

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,
	.set_link_led	= (set_link_led_t)NULL
};

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,
	.set_link_led	= (set_link_led_t)NULL
};

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,
	.set_link_led	= (set_link_led_t)NULL
};
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,
	.config_init	= (config_init_t)bnx2x_8072_8073_config_init,
	.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,
	.set_link_led	= (set_link_led_t)NULL
};
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,
	.set_link_led	= (set_link_led_t)NULL
};
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,
	.set_link_led	= (set_link_led_t)NULL
};

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,
	.set_link_led	= (set_link_led_t)NULL
};

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_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_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,
	.set_link_led	= (set_link_led_t)NULL
};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.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_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,
	.set_link_led	= (set_link_led_t)NULL
};

static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.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_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,
	.set_link_led	= (set_link_led_t)NULL
};

/*****************************************************************/
/*                                                               */
/* 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
		 */

		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]));

		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);
	}
}

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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;
	default:
		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
		return -EINVAL;
	}

	return ext_phy_config;
}
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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,
					    phy->type,
					    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;
}
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static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
				 u8 phy_index,
				 u32 shmem_base,
				 u8 port,
				 struct bnx2x_phy *phy)
{
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	u32 ext_phy_config, phy_type;
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	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
						  phy_index, port);
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	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:
		*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:
		*phy = phy_8726;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
		/* BCM8727_NOC => BCM8727 no over current */
		*phy = phy_8727;
		phy->flags |= FLAGS_NOC;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
		*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;
	}

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	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
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	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
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	phy->mdio_ctrl = bnx2x_get_emac_base(bp, phy->type, port);
	return 0;
}

static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
			     u8 port, struct bnx2x_phy *phy)
{
	u8 status = 0;
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	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,
					port, phy);
	return status;
}

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static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
			      u8 actual_phy_idx)
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
	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 +
				offsetof(struct shmem_region, dev_info.
			port_hw_config[params->port].speed_capability_mask));

	phy->req_duplex = DUPLEX_FULL;
	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
	case PORT_FEATURE_LINK_SPEED_10M_HALF:
		phy->req_duplex = DUPLEX_HALF;
	case PORT_FEATURE_LINK_SPEED_10M_FULL:
		phy->req_line_speed = 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;
	}
}

u8 bnx2x_phy_probe(struct link_params *params)
{
	u8 phy_index, actual_phy_idx, link_cfg_idx;

	struct bnx2x *bp = params->bp;
	struct bnx2x_phy *phy;
	params->num_phys = 0;
	DP(NETIF_MSG_LINK, "Begin phy probe\n");

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
		actual_phy_idx = phy_index;

		phy = &params->phy[actual_phy_idx];
		if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
				       params->port,
				       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;

		bnx2x_phy_def_cfg(params, phy, actual_phy_idx);
		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;
}


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static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base)
{
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	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
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	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 */
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		if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base,
				       port, &phy[port]) !=
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
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		/* 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 */
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		bnx2x_cl45_write(bp, &phy[port],
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			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_CTRL,
			       1<<15);
	}

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

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	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]);
	}

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	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		u16 fw_ver1;

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		bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						  port, shmem_base);
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		bnx2x_cl45_read(bp, phy_blk[port],
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			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6606
		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
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			DP(NETIF_MSG_LINK,
6608 6609 6610
				 "bnx2x_8073_common_init_phy port %x:"
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
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			return -EINVAL;
		}

		/* Only set bit 10 = 1 (Tx power down) */
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		bnx2x_cl45_read(bp, phy_blk[port],
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			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_TX_POWER_DOWN, &val);

		/* Phase1 of TX_POWER_DOWN reset */
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		bnx2x_cl45_write(bp, phy_blk[port],
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			       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--) {
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		/* Phase2 of POWER_DOWN_RESET */
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		/* Release bit 10 (Release Tx power down) */
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		bnx2x_cl45_read(bp, phy_blk[port],
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			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_TX_POWER_DOWN, &val);

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		bnx2x_cl45_write(bp, phy_blk[port],
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			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
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		bnx2x_cl45_read(bp, phy_blk[port],
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			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_EDC_FFE_MAIN, &val);
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		bnx2x_cl45_write(bp, phy_blk[port],
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			      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;
}

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static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, u32 shmem_base)
{
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	s8 port, first_port, i;
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	u32 swap_val, swap_override;
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	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
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	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);

6668
	bnx2x_ext_phy_hw_reset(bp, 1 ^ (swap_val && swap_override));
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	msleep(5);

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	if (swap_val && swap_override)
		first_port = PORT_0;
	else
		first_port = PORT_1;

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	/* PART1 - Reset both phys */
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	for (i = 0, port = first_port; i < PORT_MAX; i++, port = !port) {
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		/* Extract the ext phy address for the port */
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		if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base,
				       port, &phy[port]) !=
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
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		/* 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 */
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		bnx2x_cl45_write(bp, &phy[port],
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			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_CTRL,
			       1<<15);
	}

	/* Add delay of 150ms after reset */
	msleep(150);
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	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]);
	}
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	/* PART2 - Download firmware to both phys */
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	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
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		u16 fw_ver1;

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		bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						  port, shmem_base);
		bnx2x_cl45_read(bp, phy_blk[port],
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			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
			DP(NETIF_MSG_LINK,
E
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				 "bnx2x_8727_common_init_phy port %x:"
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				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
			return -EINVAL;
		}
	}

	return 0;
}

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static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, u32 shmem_base)
{
	u32 val;
	s8 port;
Y
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	struct bnx2x_phy phy;
E
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	/* 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);

6742
	bnx2x_ext_phy_hw_reset(bp, 1);
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	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
		/* Extract the ext phy address for the port */
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		if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base,
				       port, &phy) !=
		    0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
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		/* Reset phy*/
		bnx2x_cl45_write(bp, &phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
E
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		/* Set fault module detected LED on */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				  MISC_REGISTERS_GPIO_HIGH,
				  port);
	}

	return 0;
}

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u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base)
{
	u8 rc = 0;
	u32 ext_phy_type;

E
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	DP(NETIF_MSG_LINK, "Begin common phy init\n");
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	/* Read the ext_phy_type for arbitrary port(0) */
	ext_phy_type = XGXS_EXT_PHY_TYPE(
			REG_RD(bp, shmem_base +
			   offsetof(struct shmem_region,
			     dev_info.port_hw_config[0].external_phy_config)));

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
	{
		rc = bnx2x_8073_common_init_phy(bp, shmem_base);
		break;
	}
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	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
		rc = bnx2x_8727_common_init_phy(bp, shmem_base);
		break;

E
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	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		/* GPIO1 affects both ports, so there's need to pull
		it for single port alone */
		rc = bnx2x_8726_common_init_phy(bp, shmem_base);
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		break;
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	default:
		DP(NETIF_MSG_LINK,
			 "bnx2x_common_init_phy: ext_phy 0x%x not required\n",
			 ext_phy_type);
		break;
	}

	return rc;
}

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

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

	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
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		bnx2x_cl45_write(bp, phy,
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			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_7101_RESET,
			       (val | (1<<15)));
		/* Wait for clear */
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		bnx2x_cl45_read(bp, phy,
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			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_7101_RESET, &val);

		if ((val & (1<<15)) == 0)
			break;
	}
}