bnx2x_link.c 207.7 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)/* 16 for CRC + VLAN + LLC */
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#define ETH_MIN_PACKET_SIZE		60
#define ETH_MAX_PACKET_SIZE		1500
#define ETH_MAX_JUMBO_PACKET_SIZE	9600
#define MDIO_ACCESS_TIMEOUT		1000
#define BMAC_CONTROL_RX_ENABLE	2

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

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#define NIG_LATCH_BC_ENABLE_MI_INT 0

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

#define MDIO_AN_CL73_OR_37_COMPLETE \
		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)

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

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

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

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

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

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

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

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

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


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

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

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static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
			  u8 devad, u16 reg, u16 *ret_val);

static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
			   u8 devad, u16 reg, u16 val);

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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;
}

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static void bnx2x_update_bmac2(struct link_params *params,
			       struct link_vars *vars,
			       u8 is_lb)
{
	/*
	 * Set rx control: Strip CRC and enable BigMAC to relay
	 * control packets to the system as well
	 */
	u32 wb_data[2];
	struct bnx2x *bp = params->bp;
	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	u32 val = 0x14;
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	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		/* Enable BigMAC to react on received Pause packets */
		val |= (1<<5);
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL,
			wb_data, 2);
	udelay(30);
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	/* Tx control */
	val = 0xc0;
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL,
			wb_data, 2);

	val = 0x8000;
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
			wb_data, 2);

	/* mac control */
	val = 0x3; /* Enable RX and TX */
	if (is_lb) {
		val |= 0x4; /* Local loopback */
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}

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


static u8 bnx2x_bmac1_enable(struct link_params *params,
			     struct link_vars *vars,
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			  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;

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	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
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	/* 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;
470
	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;
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	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);
	}

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	return 0;
}

static u8 bnx2x_bmac2_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];

	DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");

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

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

	udelay(30);

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

	udelay(30);

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

	/* set rx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE,
			wb_data, 2);
	udelay(30);

	/* set tx mtu */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE,
			wb_data, 2);
	udelay(30);
	/* set cnt max size */
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE,
			wb_data, 2);
	udelay(30);
	bnx2x_update_bmac2(params, vars, is_lb);

	return 0;
}

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static u8 bnx2x_bmac_enable(struct link_params *params,
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			    struct link_vars *vars,
			    u8 is_lb)
{
	u8 rc, port = params->port;
	struct bnx2x *bp = params->bp;
	u32 val;
	/* reset and unreset the BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
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	msleep(1);
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	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);

	/* Enable BMAC according to BMAC type*/
	if (CHIP_IS_E2(bp))
		rc = bnx2x_bmac2_enable(params, vars, is_lb);
	else
		rc = bnx2x_bmac1_enable(params, vars, is_lb);
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	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;
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	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;
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	return rc;
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}


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

static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
{
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
		NIG_REG_INGRESS_BMAC0_MEM;
	u32 wb_data[2];
659
	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) {

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		if (CHIP_IS_E2(bp)) {
			/* Clear Rx Enable bit in BMAC_CONTROL register */
			REG_RD_DMAE(bp, bmac_addr +
					BIGMAC2_REGISTER_BMAC_CONTROL,
					wb_data, 2);
			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
			REG_WR_DMAE(bp, bmac_addr +
					BIGMAC2_REGISTER_BMAC_CONTROL,
					wb_data, 2);
		} else {
			/* 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);
		}
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		msleep(1);
	}
}

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

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

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

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

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

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

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

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

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

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

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

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static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
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{
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	u32 emac_base = 0;
	switch (mdc_mdio_access) {
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC1;
		else
			emac_base = GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
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		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
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		break;
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	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
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		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
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		break;
	default:
		break;
	}
	return emac_base;

}

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

	/* set clause 45 mode, slow down the MDIO clock to 2.5MHz
	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */
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	saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
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	tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
			     EMAC_MDIO_MODE_CLOCK_CNT);
	tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
		(49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
	REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
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	udelay(40);

	/* address */

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

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

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

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

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

	/* set clause 45 mode, slow down the MDIO clock to 2.5MHz
	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */
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	saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
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			     EMAC_MDIO_MODE_CLOCK_CNT));
	val |= (EMAC_MDIO_MODE_CLAUSE_45 |
887
		(49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
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	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
	REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
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	udelay(40);

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

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

		*ret_val = 0;
		rc = -EFAULT;

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

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

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

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

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u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		  u8 devad, u16 reg, u16 *ret_val)
{
	u8 phy_index;
	/**
	 * Probe for the phy according to the given phy_addr, and execute
	 * the read request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return bnx2x_cl45_read(params->bp,
					       &params->phy[phy_index], devad,
					       reg, ret_val);
		}
	}
	return -EINVAL;
}

u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 val)
{
	u8 phy_index;
	/**
	 * Probe for the phy according to the given phy_addr, and execute
	 * the write request on it
	 */
	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
		if (params->phy[phy_index].addr == phy_addr) {
			return bnx2x_cl45_write(params->bp,
						&params->phy[phy_index], devad,
						reg, val);
		}
	}
	return -EINVAL;
}

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static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
				   struct bnx2x_phy *phy)
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{
	u32 ser_lane;
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	u16 offset, aer_val;
	struct bnx2x *bp = params->bp;
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	ser_lane = ((params->lane_config &
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

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	offset = phy->addr + ser_lane;
	if (CHIP_IS_E2(bp))
		aer_val = 0x2800 + offset - 1;
	else
		aer_val = 0x3800 + offset;
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	CL45_WR_OVER_CL22(bp, phy,
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				MDIO_REG_BANK_AER_BLOCK,
				MDIO_AER_BLOCK_AER_REG, aer_val);
}
static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
				     struct bnx2x_phy *phy)
{
	CL45_WR_OVER_CL22(bp, phy,
				MDIO_REG_BANK_AER_BLOCK,
				MDIO_AER_BLOCK_AER_REG, 0x3800);
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}

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

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

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

	val = XGXS_RESET_BITS << (port*16);

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

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

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1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249
void bnx2x_link_status_update(struct link_params *params,
			    struct link_vars   *vars)
{
	struct bnx2x *bp = params->bp;
	u8 link_10g;
	u8 port = params->port;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

		vars->phy_link_up = 0;

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

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

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


static void bnx2x_set_master_ln(struct link_params *params,
				struct bnx2x_phy *phy)
{
	struct bnx2x *bp = params->bp;
	u16 new_master_ln, ser_lane;
	ser_lane =  ((params->lane_config &
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

	/* set the master_ln for AN */
	CL45_RD_OVER_CL22(bp, phy,
			      MDIO_REG_BANK_XGXS_BLOCK2,
			      MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			      &new_master_ln);

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

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

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

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

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

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

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

}

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static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
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{
	struct bnx2x *bp = params->bp;
	/* Each two bits represents a lane number:
	   No swap is 0123 => 0x1b no need to enable the swap */
	u16 ser_lane, rx_lane_swap, tx_lane_swap;

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

	if (rx_lane_swap != 0x1b) {
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		CL45_WR_OVER_CL22(bp, phy,
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				    MDIO_REG_BANK_XGXS_BLOCK2,
				    MDIO_XGXS_BLOCK2_RX_LN_SWAP,
				    (rx_lane_swap |
				    MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
				    MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
	} else {
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		CL45_WR_OVER_CL22(bp, phy,
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1283 1284 1285 1286 1287
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
	}

	if (tx_lane_swap != 0x1b) {
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		CL45_WR_OVER_CL22(bp, phy,
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1289 1290 1291 1292 1293
				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				      (tx_lane_swap |
				       MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
	} else {
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		CL45_WR_OVER_CL22(bp, phy,
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				      MDIO_REG_BANK_XGXS_BLOCK2,
				      MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
	}
}

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static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
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{
	struct bnx2x *bp = params->bp;
	u16 control2;
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	CL45_RD_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			      &control2);
1309
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
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		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1313 1314
	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
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	CL45_WR_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			      control2);

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	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
1321
	     (phy->speed_cap_mask &
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		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
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		DP(NETIF_MSG_LINK, "XGXS\n");

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

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		CL45_RD_OVER_CL22(bp, phy,
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				MDIO_REG_BANK_10G_PARALLEL_DETECT,
				MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				&control2);


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

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

		/* Disable parallel detection of HiG */
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		CL45_WR_OVER_CL22(bp, phy,
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				MDIO_REG_BANK_XGXS_BLOCK2,
				MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
				MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
				MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
	}
}

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static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
1355 1356
			    struct link_vars *vars,
			    u8 enable_cl73)
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{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

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

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

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

	/* Enable/Disable Autodetection */

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	CL45_RD_OVER_CL22(bp, phy,
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			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
1382 1383 1384
	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
Yaniv Rosner 已提交
1385
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
1386 1387 1388 1389
		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
1390
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1391 1392 1393 1394
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
1395
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1396 1397 1398
			      MDIO_REG_BANK_BAM_NEXT_PAGE,
			      MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  &reg_val);
Y
Yaniv Rosner 已提交
1399
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
1400 1401 1402 1403 1404 1405 1406 1407
		/* 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
1408
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1409 1410 1411 1412
			      MDIO_REG_BANK_BAM_NEXT_PAGE,
			      MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			      reg_val);

1413 1414
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
1415
		CL45_WR_OVER_CL22(bp, phy,
1416 1417
				      MDIO_REG_BANK_CL73_USERB0,
				    MDIO_CL73_USERB0_CL73_UCTRL,
Y
Yaniv Rosner 已提交
1418
				      0xe);
1419 1420

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
1421
		CL45_WR_OVER_CL22(bp, phy,
1422 1423 1424 1425 1426 1427
			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
1428
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
1429
		CL45_RD_OVER_CL22(bp, phy,
1430 1431 1432
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV2,
					      &reg_val);
1433
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
1434 1435
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
1436
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
1437 1438
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
1439

Y
Yaniv Rosner 已提交
1440
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1441 1442 1443
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV2,
				      reg_val);
1444 1445 1446 1447 1448 1449

		/* 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
1450

Y
Yaniv Rosner 已提交
1451
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1452 1453 1454 1455 1456
			      MDIO_REG_BANK_CL73_IEEEB0,
			      MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
}

/* program SerDes, forced speed */
Y
Yaniv Rosner 已提交
1457 1458
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
1459
			       struct link_vars *vars)
Y
Yaniv Rosner 已提交
1460 1461 1462 1463
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

1464
	/* program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
1465
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1466 1467 1468
			      MDIO_REG_BANK_COMBO_IEEE0,
			      MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
1469 1470
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
1471
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
1472
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
1473
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1474 1475 1476 1477 1478
			      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
1479
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1480 1481
				      MDIO_REG_BANK_SERDES_DIGITAL,
				      MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yaniv Rosner 已提交
1482 1483 1484 1485 1486 1487 1488 1489 1490 1491
	/* 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
1492 1493
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
1494
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
1495 1496
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
1497
		if (vars->line_speed == SPEED_13000)
Y
Yaniv Rosner 已提交
1498 1499
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Y
Yaniv Rosner 已提交
1500 1501
	}

Y
Yaniv Rosner 已提交
1502
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1503 1504
				      MDIO_REG_BANK_SERDES_DIGITAL,
				      MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
1505

Y
Yaniv Rosner 已提交
1506 1507
}

Y
Yaniv Rosner 已提交
1508 1509
static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params)
Y
Yaniv Rosner 已提交
1510 1511 1512 1513 1514 1515 1516
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

	/* configure the 48 bits for BAM AN */

	/* set extended capabilities */
1517
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
1518
		val |= MDIO_OVER_1G_UP1_2_5G;
1519
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
1520
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
1521
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1522 1523 1524
			      MDIO_REG_BANK_OVER_1G,
			      MDIO_OVER_1G_UP1, val);

Y
Yaniv Rosner 已提交
1525
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1526
			      MDIO_REG_BANK_OVER_1G,
1527
			      MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
1528 1529
}

Y
Yaniv Rosner 已提交
1530 1531
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
Y
Yaniv Rosner 已提交
1532
{
1533
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
1534
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
1535 1536 1537
	/* resolve pause mode and advertisement
	 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */

1538
	switch (phy->req_flow_ctrl) {
1539 1540
	case BNX2X_FLOW_CTRL_AUTO:
		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
Y
Yaniv Rosner 已提交
1541
			*ieee_fc |=
Y
Yaniv Rosner 已提交
1542 1543
			     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
		} else {
Y
Yaniv Rosner 已提交
1544
			*ieee_fc |=
Y
Yaniv Rosner 已提交
1545 1546 1547
		       MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		}
		break;
1548
	case BNX2X_FLOW_CTRL_TX:
Y
Yaniv Rosner 已提交
1549
		*ieee_fc |=
Y
Yaniv Rosner 已提交
1550 1551 1552
		       MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		break;

1553 1554
	case BNX2X_FLOW_CTRL_RX:
	case BNX2X_FLOW_CTRL_BOTH:
Y
Yaniv Rosner 已提交
1555
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Y
Yaniv Rosner 已提交
1556 1557
		break;

1558
	case BNX2X_FLOW_CTRL_NONE:
Y
Yaniv Rosner 已提交
1559
	default:
Y
Yaniv Rosner 已提交
1560
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Y
Yaniv Rosner 已提交
1561 1562
		break;
	}
1563
	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
Y
Yaniv Rosner 已提交
1564
}
Y
Yaniv Rosner 已提交
1565

Y
Yaniv Rosner 已提交
1566 1567
static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
					     struct link_params *params,
1568
					   u16 ieee_fc)
Y
Yaniv Rosner 已提交
1569 1570
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
1571
	u16 val;
Y
Yaniv Rosner 已提交
1572
	/* for AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
1573

Y
Yaniv Rosner 已提交
1574
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1575
			      MDIO_REG_BANK_COMBO_IEEE0,
1576
			      MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
1577
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1578 1579 1580 1581
			      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
1582
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1583 1584
			      MDIO_REG_BANK_CL73_IEEEB1,
			      MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
1585 1586
}

Y
Yaniv Rosner 已提交
1587 1588 1589
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
1590 1591
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
1592
	u16 mii_control;
1593

Y
Yaniv Rosner 已提交
1594
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
1595
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
1596

1597
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
1598
		CL45_RD_OVER_CL22(bp, phy,
1599 1600 1601 1602
				      MDIO_REG_BANK_CL73_IEEEB0,
				      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				      &mii_control);

Y
Yaniv Rosner 已提交
1603
		CL45_WR_OVER_CL22(bp, phy,
1604 1605 1606 1607 1608 1609 1610
				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
1611
		CL45_RD_OVER_CL22(bp, phy,
1612 1613 1614 1615 1616 1617
				      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
1618
		CL45_WR_OVER_CL22(bp, phy,
1619 1620 1621 1622 1623 1624
				      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
1625 1626
}

Y
Yaniv Rosner 已提交
1627 1628
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
1629
					 struct link_vars *vars)
Y
Yaniv Rosner 已提交
1630 1631 1632 1633 1634 1635
{
	struct bnx2x *bp = params->bp;
	u16 control1;

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

Y
Yaniv Rosner 已提交
1636
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1637 1638 1639 1640 1641 1642 1643 1644
			      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
1645
	CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1646 1647 1648 1649 1650
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			      control1);

	/* if forced speed */
Y
Yaniv Rosner 已提交
1651
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yaniv Rosner 已提交
1652 1653 1654
		/* set speed, disable autoneg */
		u16 mii_control;

Y
Yaniv Rosner 已提交
1655
		CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1656 1657 1658 1659 1660 1661 1662
				      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
1663
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676
		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
1677 1678
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
1679 1680 1681 1682
			break;
		}

		/* setting the full duplex */
1683
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
1684 1685
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
1686
		CL45_WR_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1687 1688 1689 1690 1691 1692
				      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
1693
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
1694 1695 1696 1697 1698 1699 1700 1701 1702
	}
}


/*
 * link management
 */

static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Y
Yaniv Rosner 已提交
1703 1704 1705
{						/*  LD	    LP	 */
	switch (pause_result) { 		/* ASYM P ASYM P */
	case 0xb:       			/*   1  0   1  1 */
1706
		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Y
Yaniv Rosner 已提交
1707 1708
		break;

Y
Yaniv Rosner 已提交
1709
	case 0xe:       			/*   1  1   1  0 */
1710
		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Y
Yaniv Rosner 已提交
1711 1712
		break;

Y
Yaniv Rosner 已提交
1713 1714 1715 1716
	case 0x5:       			/*   0  1   0  1 */
	case 0x7:       			/*   0  1   1  1 */
	case 0xd:       			/*   1  1   0  1 */
	case 0xf:       			/*   1  1   1  1 */
1717
		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Y
Yaniv Rosner 已提交
1718 1719 1720 1721 1722
		break;

	default:
		break;
	}
1723 1724 1725 1726
	if (pause_result & (1<<0))
		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
	if (pause_result & (1<<1))
		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Y
Yaniv Rosner 已提交
1727 1728
}

Y
Yaniv Rosner 已提交
1729 1730
static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					    struct link_params *params)
1731 1732 1733
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
1734 1735
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
1736
	CL45_RD_OVER_CL22(bp, phy,
1737 1738 1739
			      MDIO_REG_BANK_SERDES_DIGITAL,
			      MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			      &status2_1000x);
Y
Yaniv Rosner 已提交
1740
	CL45_RD_OVER_CL22(bp, phy,
1741 1742 1743 1744 1745 1746 1747 1748 1749
			      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
1750
	CL45_RD_OVER_CL22(bp, phy,
1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761
			      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
1762

Y
Yaniv Rosner 已提交
1763 1764 1765 1766
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
1767 1768
{
	struct bnx2x *bp = params->bp;
1769 1770
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
Y
Yaniv Rosner 已提交
1771 1772
	u16 pause_result;

1773
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
1774 1775

	/* resolve from gp_status in case of AN complete and not sgmii */
1776 1777 1778 1779 1780 1781
	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
		vars->flow_ctrl = phy->req_flow_ctrl;
	else if (phy->req_line_speed != SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Y
Yaniv Rosner 已提交
1782
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
1783 1784 1785
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
Y
Yaniv Rosner 已提交
1786 1787 1788 1789 1790 1791
		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
1792
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1793 1794 1795
					      MDIO_REG_BANK_CL73_IEEEB1,
					      MDIO_CL73_IEEEB1_AN_ADV1,
					      &ld_pause);
Y
Yaniv Rosner 已提交
1796
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808
					     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
1809
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1810 1811 1812
					      MDIO_REG_BANK_COMBO_IEEE0,
					      MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
					      &ld_pause);
Y
Yaniv Rosner 已提交
1813
			CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
1814 1815 1816 1817
			       MDIO_REG_BANK_COMBO_IEEE0,
			       MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
			       &lp_pause);
			pause_result = (ld_pause &
Y
Yaniv Rosner 已提交
1818
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Y
Yaniv Rosner 已提交
1819
			pause_result |= (lp_pause &
Y
Yaniv Rosner 已提交
1820
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Y
Yaniv Rosner 已提交
1821 1822 1823
			DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
				 pause_result);
		}
Y
Yaniv Rosner 已提交
1824 1825 1826 1827 1828
		bnx2x_pause_resolve(vars, pause_result);
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
1829 1830
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
1831 1832 1833 1834 1835
{
	struct bnx2x *bp = params->bp;
	u16 rx_status, ustat_val, cl37_fsm_recieved;
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
1836
	CL45_RD_OVER_CL22(bp, phy,
1837 1838 1839 1840 1841 1842 1843
			      MDIO_REG_BANK_RX0,
			      MDIO_RX0_RX_STATUS,
			      &rx_status);
	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
	    (MDIO_RX0_RX_STATUS_SIGDET)) {
		DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
			     "rx_status(0x80b0) = 0x%x\n", rx_status);
Y
Yaniv Rosner 已提交
1844
		CL45_WR_OVER_CL22(bp, phy,
1845 1846 1847 1848 1849 1850
				      MDIO_REG_BANK_CL73_IEEEB0,
				      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				      MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
1851
	CL45_RD_OVER_CL22(bp, phy,
1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865
			      MDIO_REG_BANK_CL73_USERB0,
			      MDIO_CL73_USERB0_CL73_USTAT1,
			      &ustat_val);
	if ((ustat_val &
	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
		DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
		return;
	}
	/* Step 3: Check CL37 Message Pages received to indicate LP
	supports only CL37 */
Y
Yaniv Rosner 已提交
1866
	CL45_RD_OVER_CL22(bp, phy,
1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
			      MDIO_REG_BANK_REMOTE_PHY,
			      MDIO_REMOTE_PHY_MISC_RX_STATUS,
			      &cl37_fsm_recieved);
	if ((cl37_fsm_recieved &
	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
		DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
			     "misc_rx_status(0x8330) = 0x%x\n",
			 cl37_fsm_recieved);
		return;
	}
	/* The combined cl37/cl73 fsm state information indicating that we are
	connected to a device which does not support cl73, but does support
	cl37 BAM. In this case we disable cl73 and restart cl37 auto-neg */
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
1884
	CL45_WR_OVER_CL22(bp, phy,
1885 1886 1887 1888
			      MDIO_REG_BANK_CL73_IEEEB0,
			      MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			      0);
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
1889
	bnx2x_restart_autoneg(phy, params, 0);
1890 1891
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906

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

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

Y
Yaniv Rosner 已提交
1907 1908 1909
static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
				     struct link_params *params,
				     struct link_vars *vars)
Y
Yaniv Rosner 已提交
1910 1911
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
1912
	u16 new_line_speed , gp_status;
Y
Yaniv Rosner 已提交
1913
	u8 rc = 0;
1914

Y
Yaniv Rosner 已提交
1915 1916 1917 1918 1919
	/* Read gp_status */
	CL45_RD_OVER_CL22(bp, phy,
				MDIO_REG_BANK_GP_STATUS,
				MDIO_GP_STATUS_TOP_AN_STATUS1,
				&gp_status);
1920

1921 1922
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Y
Yaniv Rosner 已提交
1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934
	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;

1935 1936 1937 1938 1939 1940
		if (SINGLE_MEDIA_DIRECT(params)) {
			bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
			if (phy->req_line_speed == SPEED_AUTO_NEG)
				bnx2x_xgxs_an_resolve(phy, params, vars,
						      gp_status);
		}
Y
Yaniv Rosner 已提交
1941 1942 1943

		switch (gp_status & GP_STATUS_SPEED_MASK) {
		case GP_STATUS_10M:
E
Eilon Greenstein 已提交
1944
			new_line_speed = SPEED_10;
Y
Yaniv Rosner 已提交
1945 1946 1947 1948 1949 1950 1951
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_10TFD;
			else
				vars->link_status |= LINK_10THD;
			break;

		case GP_STATUS_100M:
E
Eilon Greenstein 已提交
1952
			new_line_speed = SPEED_100;
Y
Yaniv Rosner 已提交
1953 1954 1955 1956 1957 1958 1959 1960
			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:
E
Eilon Greenstein 已提交
1961
			new_line_speed = SPEED_1000;
Y
Yaniv Rosner 已提交
1962 1963 1964 1965 1966 1967 1968
			if (vars->duplex == DUPLEX_FULL)
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
E
Eilon Greenstein 已提交
1969
			new_line_speed = SPEED_2500;
Y
Yaniv Rosner 已提交
1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981
			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;
1982

Y
Yaniv Rosner 已提交
1983 1984 1985
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
E
Eilon Greenstein 已提交
1986
			new_line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
1987 1988 1989 1990
			vars->link_status |= LINK_10GTFD;
			break;

		case GP_STATUS_12G_HIG:
E
Eilon Greenstein 已提交
1991
			new_line_speed = SPEED_12000;
Y
Yaniv Rosner 已提交
1992 1993 1994 1995
			vars->link_status |= LINK_12GTFD;
			break;

		case GP_STATUS_12_5G:
E
Eilon Greenstein 已提交
1996
			new_line_speed = SPEED_12500;
Y
Yaniv Rosner 已提交
1997 1998 1999 2000
			vars->link_status |= LINK_12_5GTFD;
			break;

		case GP_STATUS_13G:
E
Eilon Greenstein 已提交
2001
			new_line_speed = SPEED_13000;
Y
Yaniv Rosner 已提交
2002 2003 2004 2005
			vars->link_status |= LINK_13GTFD;
			break;

		case GP_STATUS_15G:
E
Eilon Greenstein 已提交
2006
			new_line_speed = SPEED_15000;
Y
Yaniv Rosner 已提交
2007 2008 2009 2010
			vars->link_status |= LINK_15GTFD;
			break;

		case GP_STATUS_16G:
E
Eilon Greenstein 已提交
2011
			new_line_speed = SPEED_16000;
Y
Yaniv Rosner 已提交
2012 2013 2014 2015 2016 2017 2018
			vars->link_status |= LINK_16GTFD;
			break;

		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
				  gp_status);
2019
			return -EINVAL;
Y
Yaniv Rosner 已提交
2020 2021
		}

E
Eilon Greenstein 已提交
2022
		vars->line_speed = new_line_speed;
Y
Yaniv Rosner 已提交
2023 2024 2025 2026 2027

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

		vars->phy_link_up = 0;
2028

Y
Yaniv Rosner 已提交
2029
		vars->duplex = DUPLEX_FULL;
2030
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
2031
		vars->mac_type = MAC_TYPE_NONE;
2032

2033 2034
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
2035
			/* Check signal is detected */
2036
			bnx2x_check_fallback_to_cl37(phy, params);
2037
		}
Y
Yaniv Rosner 已提交
2038 2039
	}

2040
	DP(NETIF_MSG_LINK, "gp_status 0x%x  phy_link_up %x line_speed %x\n",
Y
Yaniv Rosner 已提交
2041
		 gp_status, vars->phy_link_up, vars->line_speed);
Y
Yaniv Rosner 已提交
2042 2043
	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
		   vars->duplex, vars->flow_ctrl, vars->link_status);
Y
Yaniv Rosner 已提交
2044 2045 2046
	return rc;
}

E
Eilon Greenstein 已提交
2047
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
2048 2049
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2050
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
2051 2052
	u16 lp_up2;
	u16 tx_driver;
2053
	u16 bank;
Y
Yaniv Rosner 已提交
2054 2055

	/* read precomp */
Y
Yaniv Rosner 已提交
2056
	CL45_RD_OVER_CL22(bp, phy,
Y
Yaniv Rosner 已提交
2057 2058 2059 2060 2061 2062 2063 2064
			      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);

2065 2066 2067 2068 2069
	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
2070
		CL45_RD_OVER_CL22(bp, phy,
2071 2072 2073 2074 2075 2076 2077 2078
				      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
2079
			CL45_WR_OVER_CL22(bp, phy,
2080 2081 2082
					      bank,
					      MDIO_TX0_TX_DRIVER, tx_driver);
		}
Y
Yaniv Rosner 已提交
2083 2084 2085 2086
	}
}

static u8 bnx2x_emac_program(struct link_params *params,
Y
Yaniv Rosner 已提交
2087
			     struct link_vars *vars)
Y
Yaniv Rosner 已提交
2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098
{
	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
2099
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117
	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
2118 2119
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
2120 2121 2122
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
2123
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
2124 2125 2126 2127 2128
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
		    GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		    mode);

2129
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
2130 2131 2132
	return 0;
}

Y
Yaniv Rosner 已提交
2133 2134
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
2135
{
Y
Yaniv Rosner 已提交
2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211

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

	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
			CL45_WR_OVER_CL22(bp, phy,
					  bank,
					  MDIO_RX0_RX_EQ_BOOST,
					  phy->rx_preemphasis[i]);
	}

	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
			CL45_WR_OVER_CL22(bp, phy,
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

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

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

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

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

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

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

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

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

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

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

		bnx2x_initialize_sgmii_process(phy, params, vars);
	}
}

static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
			    struct link_params *params,
			    struct link_vars *vars)
{
	u8 rc;
	vars->phy_flags |= PHY_SGMII_FLAG;
Y
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2212
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
D
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2213
	bnx2x_set_aer_mmd_serdes(params->bp, phy);
Y
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2214 2215 2216 2217
	rc = bnx2x_reset_unicore(params, phy, 1);
	/* reset the SerDes and wait for reset bit return low */
	if (rc != 0)
		return rc;
D
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2218
	bnx2x_set_aer_mmd_serdes(params->bp, phy);
Y
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2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242

	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);
D
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2243
	bnx2x_set_aer_mmd_xgxs(params, phy);
Y
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2244 2245 2246 2247 2248 2249 2250
	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;

D
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2251
	bnx2x_set_aer_mmd_xgxs(params, phy);
Y
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2252

Y
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2253 2254 2255 2256 2257 2258
	/* setting the masterLn_def again after the reset */
	bnx2x_set_master_ln(params, phy);
	bnx2x_set_swap_lanes(params, phy);

	return rc;
}
2259

Y
Yaniv Rosner 已提交
2260 2261
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
				     struct bnx2x_phy *phy)
Y
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2262
{
Y
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2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273
	u16 cnt, ctrl;
	/* Wait for soft reset to get cleared upto 1 sec */
	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
		if (!(ctrl & (1<<15)))
			break;
		msleep(1);
	}
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
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2274 2275
}

Y
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2276
static void bnx2x_link_int_enable(struct link_params *params)
E
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2277
{
Y
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2278 2279 2280
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
2281

Y
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2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319
	/* setting the status to report on link up
	   for either XGXS or SerDes */

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

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

	DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
		 (params->switch_cfg == SWITCH_CFG_10G),
		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
	DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	   REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
E
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2320 2321
}

Y
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2322 2323
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
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2324
{
Y
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2325 2326 2327 2328 2329 2330
	u32 latch_status = 0;

	/**
	 * Disable the MI INT ( external phy int ) by writing 1 to the
	 * status register. Link down indication is high-active-signal,
	 * so in this case we need to write the status to clear the XOR
Y
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2331 2332 2333
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
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2334 2335
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
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2336
	/* Handle only those with latched-signal=up.*/
Y
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2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347
	if (exp_mi_int)
		bnx2x_bits_en(bp,
			      NIG_REG_STATUS_INTERRUPT_PORT0
			      + port*4,
			      NIG_STATUS_EMAC0_MI_INT);
	else
		bnx2x_bits_dis(bp,
			       NIG_REG_STATUS_INTERRUPT_PORT0
			       + port*4,
			       NIG_STATUS_EMAC0_MI_INT);

Y
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2348
	if (latch_status & 1) {
Y
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2349

Y
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2350 2351
		/* For all latched-signal=up : Re-Arm Latch signals */
		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
2352
			     (latch_status & 0xfffe) | (latch_status & 1));
Y
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2353
	}
Y
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2354
	/* For all latched-signal=up,Write original_signal to status */
E
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2355 2356
}

Y
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2357
static void bnx2x_link_int_ack(struct link_params *params,
Y
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2358
			     struct link_vars *vars, u8 is_10g)
2359
{
Y
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2360
	struct bnx2x *bp = params->bp;
Y
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2361
	u8 port = params->port;
Y
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2362

Y
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2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377
	/* first reset all status
	 * we assume only one line will be change at a time */
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
		     (NIG_STATUS_XGXS0_LINK10G |
		      NIG_STATUS_XGXS0_LINK_STATUS |
		      NIG_STATUS_SERDES0_LINK_STATUS));
	if (vars->phy_link_up) {
		if (is_10g) {
			/* Disable the 10G link interrupt
			 * by writing 1 to the status register
			 */
			DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_XGXS0_LINK10G);
2378

Y
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2379 2380 2381 2382 2383 2384 2385 2386
		} 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);
2387

Y
Yaniv Rosner 已提交
2388 2389 2390 2391 2392 2393
			DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
				 vars->line_speed);
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
Y
Yaniv Rosner 已提交
2394

Y
Yaniv Rosner 已提交
2395 2396 2397 2398 2399 2400 2401 2402 2403
		} else { /* SerDes */
			DP(NETIF_MSG_LINK, "SerDes phy link up\n");
			/* Disable the link interrupt
			 * by writing 1 to the status register
			 */
			bnx2x_bits_en(bp,
				      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
				      NIG_STATUS_SERDES0_LINK_STATUS);
		}
Y
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2404 2405 2406 2407

	}
}

Y
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2408 2409 2410 2411 2412 2413
static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
2414
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
2415 2416 2417
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
2418
		(*len)--;
Y
Yaniv Rosner 已提交
2419
		return -EINVAL;
Y
Yaniv Rosner 已提交
2420
	}
Y
Yaniv Rosner 已提交
2421
	while (shift > 0) {
Y
Yaniv Rosner 已提交
2422

Y
Yaniv Rosner 已提交
2423 2424
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
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2425 2426 2427 2428
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
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2429 2430 2431
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
2432
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
2433
		str_ptr++;
Y
Yaniv Rosner 已提交
2434
		(*len)--;
Y
Yaniv Rosner 已提交
2435 2436
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
2437
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
2438
			str_ptr++;
Y
Yaniv Rosner 已提交
2439 2440
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
2441 2442
		}
	}
Y
Yaniv Rosner 已提交
2443
	return 0;
Y
Yaniv Rosner 已提交
2444 2445
}

Y
Yaniv Rosner 已提交
2446

Y
Yaniv Rosner 已提交
2447
static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
2448
{
Y
Yaniv Rosner 已提交
2449 2450 2451 2452
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
2453

Y
Yaniv Rosner 已提交
2454 2455 2456 2457 2458 2459 2460
u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
			      u8 *version, u16 len)
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
	u8 status = 0;
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
2461
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
2462 2463 2464
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
2465

Y
Yaniv Rosner 已提交
2466 2467 2468
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
2469

Y
Yaniv Rosner 已提交
2470
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
2471 2472
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491
							      &remain_len);
		ver_p += (len - remain_len);
	}
	if ((params->num_phys == MAX_PHYS) &&
	    (params->phy[EXT_PHY2].ver_addr != 0)) {
		spirom_ver = REG_RD(bp,
					  params->phy[EXT_PHY2].ver_addr);
		if (params->phy[EXT_PHY2].format_fw_ver) {
			*ver_p = '/';
			ver_p++;
			remain_len--;
			status |= params->phy[EXT_PHY2].format_fw_ver(
				spirom_ver,
				ver_p,
				&remain_len);
			ver_p = version + (len - remain_len);
		}
	}
	*ver_p = '\0';
Y
Yaniv Rosner 已提交
2492
	return status;
Y
Yaniv Rosner 已提交
2493
}
Y
Yaniv Rosner 已提交
2494

Y
Yaniv Rosner 已提交
2495 2496
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
2497
{
Y
Yaniv Rosner 已提交
2498
	u8 port = params->port;
E
Eilon Greenstein 已提交
2499 2500
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
2501 2502
	if (phy->req_line_speed != SPEED_1000) {
		u32 md_devad;
E
Eilon Greenstein 已提交
2503

Y
Yaniv Rosner 已提交
2504
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
2505

Y
Yaniv Rosner 已提交
2506 2507 2508
		/* change the uni_phy_addr in the nig */
		md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
					  port*0x18));
2509

Y
Yaniv Rosner 已提交
2510
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
E
Eilon Greenstein 已提交
2511

Y
Yaniv Rosner 已提交
2512 2513 2514 2515 2516
		bnx2x_cl45_write(bp, phy,
			       5,
			       (MDIO_REG_BANK_AER_BLOCK +
				(MDIO_AER_BLOCK_AER_REG & 0xf)),
			       0x2800);
E
Eilon Greenstein 已提交
2517

Y
Yaniv Rosner 已提交
2518 2519 2520 2521 2522 2523 2524
		bnx2x_cl45_write(bp, phy,
			       5,
			       (MDIO_REG_BANK_CL73_IEEEB0 +
				(MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
			       0x6041);
		msleep(200);
		/* set aer mmd back */
D
Dmitry Kravkov 已提交
2525
		bnx2x_set_aer_mmd_xgxs(params, phy);
E
Eilon Greenstein 已提交
2526

Y
Yaniv Rosner 已提交
2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543
		/* and md_devad */
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			    md_devad);

	} else {
		u16 mii_ctrl;
		DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
		bnx2x_cl45_read(bp, phy, 5,
				(MDIO_REG_BANK_COMBO_IEEE0 +
				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
				&mii_ctrl);
		bnx2x_cl45_write(bp, phy, 5,
				 (MDIO_REG_BANK_COMBO_IEEE0 +
				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
				 mii_ctrl |
				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
	}
E
Eilon Greenstein 已提交
2544 2545
}

2546 2547
u8 bnx2x_set_led(struct link_params *params,
		 struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
2548
{
Y
Yaniv Rosner 已提交
2549 2550
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
2551
	u8 rc = 0, phy_idx;
Y
Yaniv Rosner 已提交
2552 2553
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
2554
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2555 2556 2557
	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);
2558 2559 2560 2561 2562 2563 2564 2565
	/* In case */
	for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].set_link_led) {
			params->phy[phy_idx].set_link_led(
				&params->phy[phy_idx], params, mode);
		}
	}

Y
Yaniv Rosner 已提交
2566
	switch (mode) {
2567
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
2568 2569 2570 2571
	case LED_MODE_OFF:
		REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
			   SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
2572

Y
Yaniv Rosner 已提交
2573 2574 2575
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
		EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
		break;
E
Eilon Greenstein 已提交
2576

Y
Yaniv Rosner 已提交
2577
	case LED_MODE_OPER:
2578 2579 2580 2581 2582 2583 2584
		/**
		 * For all other phys, OPER mode is same as ON, so in case
		 * link is down, do nothing
		 **/
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
2585
		if (SINGLE_MEDIA_DIRECT(params)) {
2586 2587 2588 2589
			/**
			* This is a work-around for HW issue found when link
			* is up in CL73
			*/
Y
Yaniv Rosner 已提交
2590 2591 2592 2593 2594 2595
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
		} else {
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
				   hw_led_mode);
		}
E
Eilon Greenstein 已提交
2596

Y
Yaniv Rosner 已提交
2597 2598 2599 2600 2601 2602 2603 2604 2605 2606
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 +
			   port*4, 0);
		/* Set blinking rate to ~15.9Hz */
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			   LED_BLINK_RATE_VAL);
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
			   port*4, 1);
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
		EMAC_WR(bp, EMAC_REG_EMAC_LED,
			    (tmp & (~EMAC_LED_OVERRIDE)));
E
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2607

Y
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2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
			/* On Everest 1 Ax chip versions for speeds less than
			10G LED scheme is different */
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
				   + port*4, 1);
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
				   port*4, 0);
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
				   port*4, 1);
		}
		break;
E
Eilon Greenstein 已提交
2623

Y
Yaniv Rosner 已提交
2624 2625 2626 2627 2628
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
2629
	}
Y
Yaniv Rosner 已提交
2630
	return rc;
E
Eilon Greenstein 已提交
2631

E
Eilon Greenstein 已提交
2632 2633
}

Y
Yaniv Rosner 已提交
2634 2635 2636 2637 2638 2639
/**
 * This function comes to reflect the actual link state read DIRECTLY from the
 * HW
 */
u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		   u8 is_serdes)
E
Eilon Greenstein 已提交
2640 2641
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2642
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
2643 2644
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
E
Eilon Greenstein 已提交
2645

Y
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2646 2647 2648 2649 2650
	CL45_RD_OVER_CL22(bp, &params->phy[INT_PHY],
			      MDIO_REG_BANK_GP_STATUS,
			      MDIO_GP_STATUS_TOP_AN_STATUS1,
			      &gp_status);
	/* link is up only if both local phy and external phy are up */
Y
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2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663
	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return -ESRCH;

	switch (params->num_phys) {
	case 1:
		/* No external PHY */
		return 0;
	case 2:
		ext_phy_link_up = params->phy[EXT_PHY1].read_status(
			&params->phy[EXT_PHY1],
			params, &temp_vars);
		break;
	case 3: /* Dual Media */
Y
Yaniv Rosner 已提交
2664 2665
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
2666 2667 2668 2669 2670 2671 2672 2673 2674
			serdes_phy_type = ((params->phy[phy_index].media_type ==
					    ETH_PHY_SFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_XFP_FIBER));

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
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2675 2676 2677
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
2678
			}
Y
Yaniv Rosner 已提交
2679
		}
Y
Yaniv Rosner 已提交
2680
		break;
E
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2681
	}
Y
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2682 2683
	if (ext_phy_link_up)
		return 0;
Y
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2684 2685
	return -ESRCH;
}
E
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2686

Y
Yaniv Rosner 已提交
2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699
static u8 bnx2x_link_initialize(struct link_params *params,
				struct link_vars *vars)
{
	u8 rc = 0;
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
	/**
	* In case of external phy existence, the line speed would be the
	* line speed linked up by the external phy. In case it is direct
	* only, then the line_speed during initialization will be
	* equal to the req_line_speed
	*/
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
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2700

Y
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2701 2702 2703 2704 2705
	/**
	 * Initialize the internal phy in case this is a direct board
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
E
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2706

Y
Yaniv Rosner 已提交
2707 2708 2709 2710
	if (params->phy[INT_PHY].config_init)
		params->phy[INT_PHY].config_init(
			&params->phy[INT_PHY],
			params, vars);
E
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2711

Y
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2712 2713 2714
	/* init ext phy and enable link state int */
	non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
		       (params->loopback_mode == LOOPBACK_XGXS));
E
Eilon Greenstein 已提交
2715

Y
Yaniv Rosner 已提交
2716 2717 2718 2719 2720 2721 2722
	if (non_ext_phy ||
	    (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
		struct bnx2x_phy *phy = &params->phy[INT_PHY];
		if (vars->line_speed == SPEED_AUTO_NEG)
			bnx2x_set_parallel_detection(phy, params);
		bnx2x_init_internal_phy(phy, params, vars);
E
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2723 2724
	}

Y
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2725 2726 2727 2728
	/* Init external phy*/
	if (!non_ext_phy)
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741
			/**
			 * No need to initialize second phy in case of first
			 * phy only selection. In case of second phy, we do
			 * need to initialize the first phy, since they are
			 * connected.
			 **/
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
				DP(NETIF_MSG_LINK, "Not initializing"
						   "second phy\n");
				continue;
			}
Y
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2742 2743 2744 2745
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
E
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2746

Y
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2747 2748 2749 2750 2751 2752 2753 2754 2755
	/* Reset the interrupt indication after phy was initialized */
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
		       params->port*4,
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
	return rc;
}
E
Eilon Greenstein 已提交
2756

Y
Yaniv Rosner 已提交
2757 2758 2759 2760 2761 2762 2763
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
Eilon Greenstein 已提交
2764 2765
}

Y
Yaniv Rosner 已提交
2766 2767
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
2768
{
Y
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2769 2770 2771
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
2772 2773 2774 2775
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
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2776 2777 2778 2779 2780 2781 2782
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
2783
}
E
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2784

Y
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2785 2786
static u8 bnx2x_update_link_down(struct link_params *params,
			       struct link_vars *vars)
E
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2787 2788
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2789
	u8 port = params->port;
E
Eilon Greenstein 已提交
2790

Y
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2791
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
2792
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
E
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2793

Y
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2794 2795
	/* indicate no mac active */
	vars->mac_type = MAC_TYPE_NONE;
2796

Y
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2797 2798 2799 2800
	/* update shared memory */
	vars->link_status = 0;
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
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2801

Y
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2802 2803
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
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2804

Y
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2805 2806 2807 2808 2809 2810 2811 2812 2813 2814
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);

	msleep(10);

	/* reset BigMac */
	bnx2x_bmac_rx_disable(bp, params->port);
	REG_WR(bp, GRCBASE_MISC +
		   MISC_REGISTERS_RESET_REG_2_CLEAR,
		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
E
Eilon Greenstein 已提交
2815 2816
	return 0;
}
Y
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2817 2818 2819 2820

static u8 bnx2x_update_link_up(struct link_params *params,
			     struct link_vars *vars,
			     u8 link_10g)
E
Eilon Greenstein 已提交
2821 2822
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
2823 2824
	u8 port = params->port;
	u8 rc = 0;
E
Eilon Greenstein 已提交
2825

Y
Yaniv Rosner 已提交
2826
	vars->link_status |= LINK_STATUS_LINK_UP;
2827

Y
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2828 2829 2830
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
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2831

Y
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2832 2833 2834
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
2835

Y
Yaniv Rosner 已提交
2836 2837
	if (link_10g) {
		bnx2x_bmac_enable(params, vars, 0);
2838 2839
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, SPEED_10000);
Y
Yaniv Rosner 已提交
2840 2841
	} else {
		rc = bnx2x_emac_program(params, vars);
2842

Y
Yaniv Rosner 已提交
2843
		bnx2x_emac_enable(params, vars, 0);
2844

Y
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2845 2846 2847 2848 2849 2850
		/* AN complete? */
		if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
		    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
		    SINGLE_MEDIA_DIRECT(params))
			bnx2x_set_gmii_tx_driver(params);
	}
2851

Y
Yaniv Rosner 已提交
2852
	/* PBF - link up */
D
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2853 2854 2855
	if (!(CHIP_IS_E2(bp)))
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
2856

Y
Yaniv Rosner 已提交
2857 2858
	/* disable drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
2859

Y
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2860 2861 2862 2863
	/* update shared memory */
	bnx2x_update_mng(params, vars->link_status);
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
2864
}
Y
Yaniv Rosner 已提交
2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878
/**
 * The bnx2x_link_update function should be called upon link
 * interrupt.
 * Link is considered up as follows:
 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
 *   to be up
 * - SINGLE_MEDIA - The link between the 577xx and the external
 *   phy (XGXS) need to up as well as the external link of the
 *   phy (PHY_EXT1)
 * - DUAL_MEDIA - The link between the 577xx and the first
 *   external phy needs to be up, and at least one of the 2
 *   external phy link must be up.
 */
u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
2879
{
Y
Yaniv Rosner 已提交
2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
	u8 link_10g, phy_index;
	u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
	vars->link_status = 0;
	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
		phy_vars[phy_index].flow_ctrl = 0;
		phy_vars[phy_index].link_status = 0;
		phy_vars[phy_index].line_speed = 0;
		phy_vars[phy_index].duplex = DUPLEX_FULL;
		phy_vars[phy_index].phy_link_up = 0;
		phy_vars[phy_index].link_up = 0;
	}
E
Eilon Greenstein 已提交
2898

Y
Yaniv Rosner 已提交
2899 2900 2901
	DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
		 port, (vars->phy_flags & PHY_XGXS_FLAG),
		 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
E
Eilon Greenstein 已提交
2902

Y
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2903 2904 2905 2906 2907 2908 2909
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
				    port*0x18) > 0);
	DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
		 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
		 is_mi_int,
		 REG_RD(bp,
			    NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
2910

Y
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2911 2912 2913
	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
E
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2914

Y
Yaniv Rosner 已提交
2915 2916
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
2917

Y
Yaniv Rosner 已提交
2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941
	/**
	* 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;
		}
Y
Yaniv Rosner 已提交
2942

Y
Yaniv Rosner 已提交
2943 2944 2945
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
			/**
			 * In this option, the first PHY makes sure to pass the
			 * traffic through itself only.
			 * Its not clear how to reset the link on the second phy
			 **/
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
			/**
			 * In this option, the first PHY makes sure to pass the
			 * traffic through the second PHY.
			 **/
				active_external_phy = EXT_PHY2;
				break;
			default:
			/**
			 * Link indication on both PHYs with the following cases
			 * is invalid:
			 * - FIRST_PHY means that second phy wasn't initialized,
			 * hence its link is expected to be down
			 * - SECOND_PHY means that first phy should not be able
			 * to link up by itself (using configuration)
			 * - DEFAULT should be overriden during initialiazation
			 **/
				DP(NETIF_MSG_LINK, "Invalid link indication"
					   "mpc=0x%x. DISABLING LINK !!!\n",
					   params->multi_phy_config);
				ext_phy_link_up = 0;
				break;
			}
E
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2980 2981
		}
	}
Y
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2982 2983 2984 2985 2986 2987 2988
	prev_line_speed = vars->line_speed;
	/**
	* Step 2:
	* Read the status of the internal phy. In case of
	* DIRECT_SINGLE_MEDIA board, this link is the external link,
	* otherwise this is the link between the 577xx and the first
	* external phy
E
Eilon Greenstein 已提交
2989
	*/
Y
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2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
	/**
	 * The INT_PHY flow control reside in the vars. This include the
	 * case where the speed or flow control are not set to AUTO.
	 * Otherwise, the active external phy flow control result is set
	 * to the vars. The ext_phy_line_speed is needed to check if the
	 * speed is different between the internal phy and external phy.
	 * This case may be result of intermediate link speed change.
E
Eilon Greenstein 已提交
3001
	 */
Y
Yaniv Rosner 已提交
3002 3003 3004 3005 3006
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
		/**
		 * Link speed is taken from the XGXS. AN and FC result from
		 * the external phy.
E
Eilon Greenstein 已提交
3007
		 */
Y
Yaniv Rosner 已提交
3008
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023

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

Y
Yaniv Rosner 已提交
3024 3025 3026 3027 3028 3029 3030 3031
		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
		vars->duplex = phy_vars[active_external_phy].duplex;
		if (params->phy[active_external_phy].supported &
		    SUPPORTED_FIBRE)
			vars->link_status |= LINK_STATUS_SERDES_LINK;
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
Yaniv Rosner 已提交
3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042

	for (phy_index = EXT_PHY1; phy_index < params->num_phys;
	      phy_index++) {
		if (params->phy[phy_index].flags &
		    FLAGS_REARM_LATCH_SIGNAL) {
			bnx2x_rearm_latch_signal(bp, port,
						 phy_index ==
						 active_external_phy);
			break;
		}
	}
Y
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	DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
		   vars->link_status, ext_phy_line_speed);
	/**
	 * Upon link speed change set the NIG into drain mode. Comes to
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */
E
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	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));
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	bnx2x_link_int_ack(params, vars, link_10g);
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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);
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		}
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	}
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	/**
	 *  Link is up only if both local phy and external phy (in case of
	 *  non-direct board) are up
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	 */
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	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
			  SINGLE_MEDIA_DIRECT(params)));

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


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

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

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2, &fw_ver2);
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
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}
3156

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static void bnx2x_ext_phy_set_pause(struct link_params *params,
				    struct bnx2x_phy *phy,
				    struct link_vars *vars)
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{
	u16 val;
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	struct bnx2x *bp = params->bp;
	/* read modify write pause advertizing */
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
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	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
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3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
		val |=  MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
	}
	DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
}

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

	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;

	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
		vars->flow_ctrl = phy->req_flow_ctrl;
	else if (phy->req_line_speed != SPEED_AUTO_NEG)
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
		bnx2x_cl45_read(bp, phy,
			      MDIO_AN_DEVAD,
			      MDIO_AN_REG_ADV_PAUSE, &ld_pause);
		bnx2x_cl45_read(bp, phy,
			      MDIO_AN_DEVAD,
			      MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
		pause_result = (ld_pause &
				MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
		pause_result |= (lp_pause &
				 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
		DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
		   pause_result);
		bnx2x_pause_resolve(vars, pause_result);
	}
	return ret;
}

static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
				       struct link_vars *vars)
{
	u16 val;
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_STATUS, &val);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_STATUS, &val);
	if (val & (1<<5))
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
	if ((val & (1<<0)) == 0)
		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
}

/******************************************************************/
/*		common BCM8073/BCM8727 PHY SECTION		  */
/******************************************************************/
static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	if (phy->req_line_speed == SPEED_10 ||
	    phy->req_line_speed == SPEED_100) {
		vars->flow_ctrl = phy->req_flow_ctrl;
		return;
	}

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

		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
		pause_result = (ld_pause &
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
		pause_result |= (lp_pause &
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;

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

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

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

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

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

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

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

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

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

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

	/* Disable PLL sequencer (use read-modify-write to clear bit 13) */
	bnx2x_cl45_read(bp, phy,
3331
			MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
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3332
	val &= ~(1<<13);
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	bnx2x_cl45_write(bp, phy,
Y
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3334 3335 3336
		       MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);

	/* PLL controls */
3337 3338 3339 3340 3341
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805E, 0x1077);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805D, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805C, 0x030B);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805B, 0x1240);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805A, 0x2490);
Y
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3342 3343

	/* Tx Controls */
3344 3345 3346
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A7, 0x0C74);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A6, 0x9041);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A5, 0x4640);
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3347 3348

	/* Rx Controls */
3349 3350 3351
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FE, 0x01C4);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FD, 0x9249);
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FC, 0x2015);
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3352 3353

	/* Enable PLL sequencer  (use read-modify-write to set bit 13) */
3354
	bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
Y
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	val |= (1<<13);
3356
	bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
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3357
}
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3358

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3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453
/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
{
	/* This is only required for 8073A1, version 102 only */
	u16 val;

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

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

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

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

	return 1;
}

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

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

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

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

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
			      &val);
		  /* If bit [14] = 0 or bit [13] = 0, continue on with
		   system initialization (XAUI work-around not required,
		    as these bits indicate 2.5G or 1G link up). */
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
			DP(NETIF_MSG_LINK, "clc bit 15 went off\n");
			 /* If bit 15 is 0, then poll Dev1, Reg $C841 until
			  it's MSB (bit 15) goes to 1 (indicating that the
			  XAUI workaround has completed),
			  then continue on with system initialization.*/
			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
				bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8073_XAUI_WA, &val);
				if (val & (1<<15)) {
					DP(NETIF_MSG_LINK,
					  "XAUI workaround has completed\n");
					return 0;
				 }
				 msleep(3);
			}
			break;
		}
		msleep(3);
	}
	DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
	return -EINVAL;
}

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

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static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
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3455 3456
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
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3457
{
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3458
	u16 cl37_val;
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3459 3460
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
3461
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
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3462 3463 3464

	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
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	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
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3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
	}
	DP(NETIF_MSG_LINK,
		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);

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	bnx2x_cl45_write(bp, phy,
3485
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
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Yaniv Rosner 已提交
3486
	msleep(500);
Y
Yaniv Rosner 已提交
3487 3488
}

Y
Yaniv Rosner 已提交
3489 3490 3491
static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
3492
{
Y
Yaniv Rosner 已提交
3493
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3494 3495 3496
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
3497

D
Dmitry Kravkov 已提交
3498 3499 3500 3501
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
3502 3503 3504
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
3505

Y
Yaniv Rosner 已提交
3506 3507
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
3508

Y
Yaniv Rosner 已提交
3509 3510 3511 3512 3513
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,  0x0004);
3514

Y
Yaniv Rosner 已提交
3515
	bnx2x_8073_set_pause_cl37(params, phy, vars);
3516

Y
Yaniv Rosner 已提交
3517
	bnx2x_8073_set_xaui_low_power_mode(bp, phy);
Y
Yaniv Rosner 已提交
3518 3519

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3520
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
3521

Y
Yaniv Rosner 已提交
3522 3523
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
3524

Y
Yaniv Rosner 已提交
3525
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
3526

Y
Yaniv Rosner 已提交
3527
	/* Enable CL37 BAM */
3528 3529 3530 3531
	if (REG_RD(bp, params->shmem_base +
			 offsetof(struct shmem_region, dev_info.
				  port_hw_config[params->port].default_cfg)) &
	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3532

3533 3534 3535 3536 3537 3538 3539 3540
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8073_BAM, &val);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8073_BAM, val | 1);
		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
	}
Y
Yaniv Rosner 已提交
3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562
	if (params->loopback_mode == LOOPBACK_EXT) {
		bnx2x_807x_force_10G(bp, phy);
		DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
		return 0;
	} else {
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
	}
	if (phy->req_line_speed != SPEED_AUTO_NEG) {
		if (phy->req_line_speed == SPEED_10000) {
			val = (1<<7);
		} else if (phy->req_line_speed ==  SPEED_2500) {
			val = (1<<5);
			/* Note that 2.5G works only
			when used with 1G advertisment */
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
3563

Y
Yaniv Rosner 已提交
3564 3565 3566 3567 3568 3569 3570 3571
		/* Note that 2.5G works only when
		used with 1G advertisment */
		if (phy->speed_cap_mask &
			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
			val |= (1<<5);
		DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
	}
3572

Y
Yaniv Rosner 已提交
3573 3574
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
3575

Y
Yaniv Rosner 已提交
3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592
	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
	     (phy->req_line_speed == SPEED_AUTO_NEG)) ||
	    (phy->req_line_speed == SPEED_2500)) {
		u16 phy_ver;
		/* Allow 2.5G for A1 and above */
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
				&phy_ver);
		DP(NETIF_MSG_LINK, "Add 2.5G\n");
		if (phy_ver > 0)
			tmp1 |= 1;
		else
			tmp1 &= 0xfffe;
	} else {
		DP(NETIF_MSG_LINK, "Disable 2.5G\n");
		tmp1 &= 0xfffe;
	}
3593

Y
Yaniv Rosner 已提交
3594 3595
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
3596

Y
Yaniv Rosner 已提交
3597 3598 3599 3600
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
				  0x20 : 0x40)));
3601

Y
Yaniv Rosner 已提交
3602 3603
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
3604

Y
Yaniv Rosner 已提交
3605 3606 3607 3608 3609 3610 3611
	/* The SNR will improve about 2db by changing
	BW and FEE main tap. Rest commands are executed
	after link is up*/
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
3612

Y
Yaniv Rosner 已提交
3613 3614 3615 3616
	/* Enable FEC (Forware Error Correction) Request in the AN */
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
	tmp1 |= (1<<15);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
3617

Y
Yaniv Rosner 已提交
3618
	bnx2x_ext_phy_set_pause(params, phy, vars);
3619

Y
Yaniv Rosner 已提交
3620 3621 3622 3623 3624 3625
	/* Restart autoneg */
	msleep(500);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
	DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
	return 0;
Y
Yaniv Rosner 已提交
3626
}
Y
Yaniv Rosner 已提交
3627

Y
Yaniv Rosner 已提交
3628
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
3629 3630 3631 3632
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3633 3634 3635 3636
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
3637

Y
Yaniv Rosner 已提交
3638 3639
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
Y
Yaniv Rosner 已提交
3640

Y
Yaniv Rosner 已提交
3641
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
3642

Y
Yaniv Rosner 已提交
3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674
	/* clear the interrupt LASI status register */
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
	/* Clear MSG-OUT */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);

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

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

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

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

	if (link_up &&
	     ((phy->req_line_speed != SPEED_10000))) {
		if (bnx2x_8073_xaui_wa(bp, phy) != 0)
			return 0;
3675
	}
Y
Yaniv Rosner 已提交
3676 3677 3678 3679
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
3680

Y
Yaniv Rosner 已提交
3681 3682 3683 3684 3685 3686 3687
	/* Check the link status on 1.1.2 */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
		   "an_link_status=0x%x\n", val2, val1, an1000_status);
3688

Y
Yaniv Rosner 已提交
3689 3690 3691 3692 3693 3694 3695 3696
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
		/* The SNR will improve about 2dbby
		changing the BW and FEE main tap.*/
		/* The 1st write to change FFE main
		tap is set before restart AN */
		/* Change PLL Bandwidth in EDC
		register */
3697
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3698 3699
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
3700

Y
Yaniv Rosner 已提交
3701
		/* Change CDR Bandwidth in EDC register */
3702
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3703 3704 3705 3706 3707 3708
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
				 0x0333);
	}
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
			&link_status);
3709

Y
Yaniv Rosner 已提交
3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729
	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
		link_up = 1;
		vars->line_speed = SPEED_2500;
		DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
			   params->port);
	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
		link_up = 1;
		vars->line_speed = SPEED_1000;
		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
			   params->port);
	} else {
		link_up = 0;
		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
			   params->port);
3730
	}
Y
Yaniv Rosner 已提交
3731 3732 3733 3734 3735 3736

	if (link_up) {
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
	}
	return link_up;
Y
Yaniv Rosner 已提交
3737 3738
}

Y
Yaniv Rosner 已提交
3739 3740 3741 3742 3743
static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
D
Dmitry Kravkov 已提交
3744 3745 3746 3747
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758
	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
	   gpio_port);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    gpio_port);
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
3759 3760 3761 3762
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3763
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
3764 3765 3766
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
3767 3768 3769
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
Y
Yaniv Rosner 已提交
3770 3771
	bnx2x_wait_reset_complete(bp, phy);

Y
Yaniv Rosner 已提交
3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
	bnx2x_cl45_write(bp, phy,
			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
	/* BCM8705 doesn't have microcode, hence the 0 */
	bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
	return 0;
}
E
Eilon Greenstein 已提交
3784

Y
Yaniv Rosner 已提交
3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795
static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	u8 link_up = 0;
	u16 val1, rx_sd;
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "read status 8705\n");
	bnx2x_cl45_read(bp, phy,
		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
3796

Y
Yaniv Rosner 已提交
3797 3798 3799
	bnx2x_cl45_read(bp, phy,
		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
	DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
3800

Y
Yaniv Rosner 已提交
3801 3802
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
3803

Y
Yaniv Rosner 已提交
3804 3805 3806 3807
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
3808

Y
Yaniv Rosner 已提交
3809 3810 3811 3812 3813
	DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
	if (link_up) {
		vars->line_speed = SPEED_10000;
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
3814
	}
Y
Yaniv Rosner 已提交
3815 3816
	return link_up;
}
3817

Y
Yaniv Rosner 已提交
3818 3819 3820 3821 3822 3823 3824 3825 3826
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
static void bnx2x_sfp_set_transmitter(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port,
				      u8 tx_en)
{
	u16 val;
3827

Y
Yaniv Rosner 已提交
3828 3829 3830 3831 3832 3833 3834
	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
		 tx_en, port);
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_PHY_IDENTIFIER,
		      &val);
3835

Y
Yaniv Rosner 已提交
3836 3837 3838 3839
	if (tx_en)
		val &= ~(1<<15);
	else
		val |= (1<<15);
Y
Yaniv Rosner 已提交
3840

Y
Yaniv Rosner 已提交
3841 3842 3843 3844
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       val);
Y
Yaniv Rosner 已提交
3845 3846
}

Y
Yaniv Rosner 已提交
3847 3848 3849
static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
					  u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
3850 3851
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3852 3853 3854 3855 3856 3857 3858 3859
	u16 val = 0;
	u16 i;
	if (byte_cnt > 16) {
		DP(NETIF_MSG_LINK, "Reading from eeprom is"
			    " is limited to 0xf\n");
		return -EINVAL;
	}
	/* Set the read command byte count */
3860
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3861 3862
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
		       (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
3863

Y
Yaniv Rosner 已提交
3864 3865 3866 3867
	/* Set the read command address */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
		       addr);
Y
Yaniv Rosner 已提交
3868

Y
Yaniv Rosner 已提交
3869
	/* Activate read command */
3870
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3871 3872
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		       0x2c0f);
Y
Yaniv Rosner 已提交
3873

Y
Yaniv Rosner 已提交
3874 3875 3876 3877 3878 3879 3880 3881 3882
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
3883 3884
	}

Y
Yaniv Rosner 已提交
3885 3886 3887 3888 3889 3890
	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;
3891
	}
Y
Yaniv Rosner 已提交
3892

Y
Yaniv Rosner 已提交
3893 3894
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
3895
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3896 3897 3898
			      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);
3899
	}
Y
Yaniv Rosner 已提交
3900

Y
Yaniv Rosner 已提交
3901 3902 3903 3904 3905 3906
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
3907
			return 0;
Y
Yaniv Rosner 已提交
3908 3909 3910
		msleep(1);
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
3911
}
E
Eilon Greenstein 已提交
3912

Y
Yaniv Rosner 已提交
3913 3914 3915
static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
					    struct link_params *params,
					  u16 addr, u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
3916 3917
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3918
	u16 val, i;
Y
Yaniv Rosner 已提交
3919

Y
Yaniv Rosner 已提交
3920 3921 3922 3923 3924
	if (byte_cnt > 16) {
		DP(NETIF_MSG_LINK, "Reading from eeprom is"
			    " is limited to 0xf\n");
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
3925

Y
Yaniv Rosner 已提交
3926 3927 3928 3929 3930
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		      &val);
E
Eilon Greenstein 已提交
3931

Y
Yaniv Rosner 已提交
3932
	/* Set the read command byte count */
3933
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3934 3935 3936
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
		       ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
3937

Y
Yaniv Rosner 已提交
3938
	/* Set the read command address */
3939
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3940 3941 3942 3943
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
		       addr);
	/* Set the destination address */
3944
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3945 3946 3947
		       MDIO_PMA_DEVAD,
		       0x8004,
		       MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
3948

Y
Yaniv Rosner 已提交
3949
	/* Activate read command */
3950
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
3951 3952 3953 3954 3955 3956
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
		       0x8002);
	/* Wait appropriate time for two-wire command to finish before
	polling the status register */
	msleep(1);
E
Eilon Greenstein 已提交
3957

Y
Yaniv Rosner 已提交
3958 3959
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
3960
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
3961 3962 3963 3964 3965 3966
			      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);
3967
	}
E
Eilon Greenstein 已提交
3968

Y
Yaniv Rosner 已提交
3969 3970 3971 3972 3973 3974 3975
	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;
	}
3976

Y
Yaniv Rosner 已提交
3977 3978 3979 3980 3981 3982 3983
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
3984

Y
Yaniv Rosner 已提交
3985 3986 3987 3988 3989 3990
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
3991
			return 0;
Y
Yaniv Rosner 已提交
3992
		msleep(1);
3993 3994
	}

Y
Yaniv Rosner 已提交
3995
	return -EINVAL;
Y
Yaniv Rosner 已提交
3996 3997
}

3998 3999 4000
static u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
				       struct link_params *params, u16 addr,
				       u8 byte_cnt, u8 *o_buf)
Y
Yaniv Rosner 已提交
4001
{
Y
Yaniv Rosner 已提交
4002 4003 4004 4005 4006 4007 4008
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	return -EINVAL;
Y
Yaniv Rosner 已提交
4009 4010
}

Y
Yaniv Rosner 已提交
4011 4012 4013
static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			     struct link_params *params,
				  u16 *edc_mode)
Y
Yaniv Rosner 已提交
4014 4015
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4016 4017
	u8 val, check_limiting_mode = 0;
	*edc_mode = EDC_MODE_LIMITING;
4018

Y
Yaniv Rosner 已提交
4019 4020 4021 4022 4023 4024 4025 4026 4027
	/* First check for copper cable */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
					 SFP_EEPROM_CON_TYPE_ADDR,
					 1,
					 &val) != 0) {
		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
		return -EINVAL;
	}
4028

Y
Yaniv Rosner 已提交
4029 4030 4031 4032
	switch (val) {
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
4033

Y
Yaniv Rosner 已提交
4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046
		/* Check if its active cable( includes SFP+ module)
		of passive cable*/
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
					       &copper_module_type) !=
		    0) {
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
4047

Y
Yaniv Rosner 已提交
4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063
		if (copper_module_type &
		    SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
			DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
			check_limiting_mode = 1;
		} else if (copper_module_type &
			SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
				DP(NETIF_MSG_LINK, "Passive Copper"
					    " cable detected\n");
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
		} else {
			DP(NETIF_MSG_LINK, "Unknown copper-cable-"
				     "type 0x%x !!!\n", copper_module_type);
			return -EINVAL;
		}
		break;
4064
	}
Y
Yaniv Rosner 已提交
4065 4066 4067 4068 4069 4070 4071 4072
	case SFP_EEPROM_CON_TYPE_VAL_LC:
		DP(NETIF_MSG_LINK, "Optic module detected\n");
		check_limiting_mode = 1;
		break;
	default:
		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
			 val);
		return -EINVAL;
4073
	}
4074

Y
Yaniv Rosner 已提交
4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089
	if (check_limiting_mode) {
		u8 options[SFP_EEPROM_OPTIONS_SIZE];
		if (bnx2x_read_sfp_module_eeprom(phy,
						 params,
						 SFP_EEPROM_OPTIONS_ADDR,
						 SFP_EEPROM_OPTIONS_SIZE,
						 options) != 0) {
			DP(NETIF_MSG_LINK, "Failed to read Option"
				" field from module EEPROM\n");
			return -EINVAL;
		}
		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = EDC_MODE_LINEAR;
		else
			*edc_mode = EDC_MODE_LIMITING;
4090
	}
Y
Yaniv Rosner 已提交
4091
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4092
	return 0;
Y
Yaniv Rosner 已提交
4093
}
Y
Yaniv Rosner 已提交
4094 4095 4096 4097
/* This function read the relevant field from the module ( SFP+ ),
	and verify it is compliant with this board */
static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
4098 4099
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4100 4101
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
4102 4103
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
4104
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4105 4106 4107 4108 4109 4110 4111 4112
	val = REG_RD(bp, params->shmem_base +
			 offsetof(struct shmem_region, dev_info.
				  port_feature_config[params->port].config));
	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
		DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
		return 0;
	}
Y
Yaniv Rosner 已提交
4113

Y
Yaniv Rosner 已提交
4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128
	if (params->feature_config_flags &
	    FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
		/* Use specific phy request */
		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
	} else if (params->feature_config_flags &
		   FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
		/* Use first phy request only in case of non-dual media*/
		if (DUAL_MEDIA(params)) {
			DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
			   "verification\n");
			return -EINVAL;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
Y
Yaniv Rosner 已提交
4129
		DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Y
Yaniv Rosner 已提交
4130
			  "verification\n");
Y
Yaniv Rosner 已提交
4131 4132
		return -EINVAL;
	}
4133

Y
Yaniv Rosner 已提交
4134 4135
	fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
	fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Y
Yaniv Rosner 已提交
4136 4137 4138 4139
	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
		DP(NETIF_MSG_LINK, "Approved module\n");
		return 0;
	}
Y
Yaniv Rosner 已提交
4140

Y
Yaniv Rosner 已提交
4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161
	/* format the warning message */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
				       SFP_EEPROM_VENDOR_NAME_ADDR,
				       SFP_EEPROM_VENDOR_NAME_SIZE,
				       (u8 *)vendor_name))
		vendor_name[0] = '\0';
	else
		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
				       SFP_EEPROM_PART_NO_ADDR,
				       SFP_EEPROM_PART_NO_SIZE,
				       (u8 *)vendor_pn))
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

	netdev_info(bp->dev, "Warning: Unqualified SFP+ module detected,"
			     " Port %d from %s part number %s\n",
		    params->port, vendor_name, vendor_pn);
Y
Yaniv Rosner 已提交
4162
	phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
4163
	return -EINVAL;
Y
Yaniv Rosner 已提交
4164
}
4165

Y
Yaniv Rosner 已提交
4166 4167
static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						struct link_params *params)
4168

E
Eilon Greenstein 已提交
4169
{
Y
Yaniv Rosner 已提交
4170
	u8 val;
E
Eilon Greenstein 已提交
4171
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185
	u16 timeout;
	/* Initialization time after hot-plug may take up to 300ms for some
	phys type ( e.g. JDSU ) */
	for (timeout = 0; timeout < 60; timeout++) {
		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
		    == 0) {
			DP(NETIF_MSG_LINK, "SFP+ module initialization "
				     "took %d ms\n", timeout * 5);
			return 0;
		}
		msleep(5);
	}
	return -EINVAL;
}
E
Eilon Greenstein 已提交
4186

Y
Yaniv Rosner 已提交
4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200
static void bnx2x_8727_power_module(struct bnx2x *bp,
				    struct bnx2x_phy *phy,
				    u8 is_power_up) {
	/* Make sure GPIOs are not using for LED mode */
	u16 val;
	/*
	 * In the GPIO register, bit 4 is use to detemine if the GPIOs are
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
	 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
	 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
	*/
E
Eilon Greenstein 已提交
4201

Y
Yaniv Rosner 已提交
4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216
	/*
	 * In case of NOC feature is disabled and power is up, set GPIO control
	 *  as input to enable listening of over-current indication
	 */
	if (phy->flags & FLAGS_NOC)
		return;
	if (!(phy->flags &
	      FLAGS_NOC) && is_power_up)
		val = (1<<4);
	else
		/*
		 * Set GPIO control to OUTPUT, and set the power bit
		 * to according to the is_power_up
		 */
		val = ((!(is_power_up)) << 1);
E
Eilon Greenstein 已提交
4217

Y
Yaniv Rosner 已提交
4218 4219 4220 4221 4222
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
4223

Y
Yaniv Rosner 已提交
4224 4225 4226 4227 4228
static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
				       u16 edc_mode)
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
4229

Y
Yaniv Rosner 已提交
4230 4231 4232 4233 4234 4235 4236 4237 4238 4239
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2,
		      &cur_limiting_mode);
	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
		 cur_limiting_mode);

	if (edc_mode == EDC_MODE_LIMITING) {
		DP(NETIF_MSG_LINK,
			 "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
4240
		bnx2x_cl45_write(bp, phy,
4241
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
4242 4243 4244
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
4245

Y
Yaniv Rosner 已提交
4246
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
4247

Y
Yaniv Rosner 已提交
4248 4249 4250 4251 4252
		/* Changing to LRM mode takes quite few seconds.
		So do it only if current mode is limiting
		( default is LRM )*/
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
4253

Y
Yaniv Rosner 已提交
4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_LRM_MODE,
			       0);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_ROM_VER2,
			       0x128);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_MISC_CTRL0,
			       0x4008);
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_LRM_MODE,
			       0xaaaa);
E
Eilon Greenstein 已提交
4270
	}
Y
Yaniv Rosner 已提交
4271
	return 0;
E
Eilon Greenstein 已提交
4272 4273
}

Y
Yaniv Rosner 已提交
4274 4275 4276
static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
4277
{
Y
Yaniv Rosner 已提交
4278 4279
	u16 phy_identifier;
	u16 rom_ver2_val;
4280
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4281 4282 4283
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       &phy_identifier);
Y
Yaniv Rosner 已提交
4284

Y
Yaniv Rosner 已提交
4285 4286 4287 4288
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
4289

4290
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
4291 4292 4293 4294 4295 4296 4297 4298
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_ROM_VER2,
		      &rom_ver2_val);
	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_ROM_VER2,
		       (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
4299

Y
Yaniv Rosner 已提交
4300 4301 4302 4303
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_PHY_IDENTIFIER,
		       (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
4304

Y
Yaniv Rosner 已提交
4305
	return 0;
Y
Yaniv Rosner 已提交
4306
}
Y
Yaniv Rosner 已提交
4307

Y
Yaniv Rosner 已提交
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static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
				     struct link_params *params,
				     u32 action)
{
	struct bnx2x *bp = params->bp;

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

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static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
				     struct link_params *params)
Y
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{
	struct bnx2x *bp = params->bp;
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	u16 edc_mode;
	u8 rc = 0;
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	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
4339

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

	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
		return -EINVAL;
	} else if (bnx2x_verify_sfp_module(phy, params) !=
		   0) {
		/* check SFP+ module compatibility */
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
				  MISC_REGISTERS_GPIO_HIGH,
				  params->port);
		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
		    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
			/* Shutdown SFP+ module */
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
			bnx2x_8727_power_module(bp, phy, 0);
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
		DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n");
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
					  MISC_REGISTERS_GPIO_LOW,
					  params->port);
4369
	}
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	/* power up the SFP module */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
		bnx2x_8727_power_module(bp, phy, 1);
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	/* Check and set limiting mode / LRM mode on 8726.
	On 8727 it is done automatically */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
		bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
	else
		bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
	/*
	 * Enable transmit for this module if the module is approved, or
	 * if unapproved modules should also enable the Tx laser
	 */
	if (rc == 0 ||
	    (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
	else
		bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
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	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
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{
	struct bnx2x *bp = params->bp;
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	struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
	u32 gpio_val;
	u8 port = params->port;
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	/* Set valid module led off */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
			  MISC_REGISTERS_GPIO_HIGH,
			  params->port);
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	/* Get current gpio val refelecting module plugged in / out*/
	gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
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	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
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		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
				   port);
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		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
	} else {
		u32 val = REG_RD(bp, params->shmem_base +
				     offsetof(struct shmem_region, dev_info.
					      port_feature_config[params->port].
					      config));
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		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
				   port);
		/* Module was plugged out. */
		/* Disable transmit for this module */
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
4435
	}
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}
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/******************************************************************/
/*		common BCM8706/BCM8726 PHY SECTION		  */
/******************************************************************/
static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
{
	u8 link_up = 0;
	u16 val1, val2, rx_sd, pcs_status;
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
	/* Clear RX Alarm*/
4450
	bnx2x_cl45_read(bp, phy,
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			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
	/* clear LASI indication*/
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
4458 4459

	bnx2x_cl45_read(bp, phy,
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			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
	bnx2x_cl45_read(bp, phy,
			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
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	DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
			" link_status 0x%x\n", rx_sd, pcs_status, val2);
	/* link is up if both bit 0 of pmd_rx_sd and
	 * bit 0 of pcs_status are set, or if the autoneg bit
	 * 1 is set
	 */
	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
	if (link_up) {
		if (val2 & (1<<1))
			vars->line_speed = SPEED_1000;
		else
			vars->line_speed = SPEED_10000;
4480
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
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	}
4482
	return link_up;
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}
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/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
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				 struct link_params *params,
				 struct link_vars *vars)
{
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	u16 cnt, val;
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	struct bnx2x *bp = params->bp;
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	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
	bnx2x_wait_reset_complete(bp, phy);
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	/* Wait until fw is loaded */
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
		if (val)
			break;
		msleep(10);
	}
	DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		u8 i;
		u16 reg;
		for (i = 0; i < 4; i++) {
			reg = MDIO_XS_8706_REG_BANK_RX0 +
				i*(MDIO_XS_8706_REG_BANK_RX1 -
				   MDIO_XS_8706_REG_BANK_RX0);
			bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
			/* Clear first 3 bits of the control */
			val &= ~0x7;
			/* Set control bits according to configuration */
			val |= (phy->rx_preemphasis[i] & 0x7);
			DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
				   " reg 0x%x <-- val 0x%x\n", reg, val);
			bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
		}
	}
	/* Force speed */
	if (phy->req_line_speed == SPEED_10000) {
		DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
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		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
	} else {
		/* Force 1Gbps using autoneg with 1G advertisment */
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4540 4541 4542 4543
		/* Allow CL37 through CL73 */
		DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
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4545 4546 4547 4548 4549 4550 4551 4552 4553
		/* Enable Full-Duplex advertisment on CL37 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
		/* Enable CL37 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		/* 1G support */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
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4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x0400);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
	return 0;
}
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4569 4570 4571 4572 4573 4574
static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
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Y
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4576 4577 4578 4579 4580 4581 4582 4583 4584 4585
/******************************************************************/
/*			BCM8726 PHY SECTION			  */
/******************************************************************/
static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
}
4586

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4587 4588 4589 4590 4591 4592
static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
					 struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	/* Need to wait 100ms after reset */
	msleep(100);
4593

Y
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4594 4595 4596
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
4597

Y
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4598 4599 4600 4601 4602
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
4603

Y
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4604 4605 4606
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_MISC_CTRL1, 0x0001);
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Y
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4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622
	bnx2x_cl45_write(bp, phy,
		       MDIO_PMA_DEVAD,
		       MDIO_PMA_REG_GEN_CTRL,
		       MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);

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

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

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
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4623 4624
}

Y
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4625
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
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4626 4627 4628 4629
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
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4630 4631
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
4632 4633
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
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4634 4635 4636 4637 4638 4639 4640
				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;
		}
4641 4642
	}
	return link_up;
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4643 4644
}

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4645 4646 4647 4648

static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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4649 4650
{
	struct bnx2x *bp = params->bp;
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4651 4652 4653 4654 4655 4656
	u32 val;
	u32 swap_val, swap_override, aeu_gpio_mask, offset;
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
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4657

Y
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4658 4659
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
4660

Y
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4661 4662
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
	bnx2x_wait_reset_complete(bp, phy);
4663

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4664
	bnx2x_8726_external_rom_boot(phy, params);
4665

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	/* Need to call module detected on initialization since
	the module detection triggered by actual module
	insertion might occur before driver is loaded, and when
	driver is loaded, it reset all registers, including the
	transmitter */
	bnx2x_sfp_module_detection(phy, params);
4672

Y
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4673 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 4705 4706 4707 4708 4709
	if (phy->req_line_speed == SPEED_1000) {
		DP(NETIF_MSG_LINK, "Setting 1G force\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x400);
	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		   (phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
		   ((phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
		/* Set Flow control */
		bnx2x_ext_phy_set_pause(params, phy, vars);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
		bnx2x_cl45_write(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		/* Enable RX-ALARM control to receive
		interrupt for 1G speed change */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 0x400);
4710

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4711 4712 4713
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
4714 4715
	}

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4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
			 "TX_CTRL2 0x%x\n",
			 phy->tx_preemphasis[0],
			 phy->tx_preemphasis[1]);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL1,
				 phy->tx_preemphasis[0]);
4727

Y
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4728 4729 4730 4731 4732
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
4733

Y
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4734 4735 4736
	/* Set GPIO3 to trigger SFP+ module insertion/removal */
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			    MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
Y
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4737

Y
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4738 4739 4740
	/* The GPIO should be swapped if the swap register is set and active */
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Y
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4741

Y
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4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752
	/* Select function upon port-swap configuration */
	if (params->port == 0) {
		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
		aeu_gpio_mask = (swap_val && swap_override) ?
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
	} else {
		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
		aeu_gpio_mask = (swap_val && swap_override) ?
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
			AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
Y
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4753
	}
Y
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4754 4755 4756 4757 4758
	val = REG_RD(bp, offset);
	/* add GPIO3 to group */
	val |= aeu_gpio_mask;
	REG_WR(bp, offset, val);
	return 0;
4759

Y
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4760 4761
}

Y
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4762 4763
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
4764
{
Y
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4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
	/* Set serial boot control for external load */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
}

/******************************************************************/
/*			BCM8727 PHY SECTION			  */
/******************************************************************/
4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822

static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 led_mode_bitmask = 0;
	u16 gpio_pins_bitmask = 0;
	u16 val;
	/* Only NOC flavor requires to set the LED specifically */
	if (!(phy->flags & FLAGS_NOC))
		return;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x03;
		break;
	case LED_MODE_ON:
		led_mode_bitmask = 0;
		gpio_pins_bitmask = 0x02;
		break;
	case LED_MODE_OPER:
		led_mode_bitmask = 0x60;
		gpio_pins_bitmask = 0x11;
		break;
	}
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			&val);
	val &= 0xff8f;
	val |= led_mode_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			 val);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8727_GPIO_CTRL,
			&val);
	val &= 0xffe0;
	val |= gpio_pins_bitmask;
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
Y
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4823 4824 4825 4826 4827 4828 4829
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()
4830
	 */
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4831 4832 4833 4834 4835 4836
	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);
4837
}
Y
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4838

Y
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4839 4840 4841
static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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4842
{
Y
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4843 4844 4845
	u16 tmp1, val, mod_abs;
	u16 rx_alarm_ctrl_val;
	u16 lasi_ctrl_val;
Y
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4846
	struct bnx2x *bp = params->bp;
Y
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4847
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
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4848

Y
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4849 4850 4851
	bnx2x_wait_reset_complete(bp, phy);
	rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
	lasi_ctrl_val = 0x0004;
Y
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4852

Y
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4853 4854 4855 4856 4857
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
	/* enable LASI */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
			 rx_alarm_ctrl_val);
Y
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4858

Y
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4859 4860
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
Y
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4861

Y
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4862 4863 4864 4865 4866 4867 4868 4869
	/* Initially configure  MOD_ABS to interrupt when
	module is presence( bit 8) */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
	/* Set EDC off by setting OPTXLOS signal input to low
	(bit 9).
	When the EDC is off it locks onto a reference clock and
	avoids becoming 'lost'.*/
4870 4871 4872
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
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	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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4875 4876


Y
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4877 4878 4879 4880
	/* Make MOD_ABS give interrupt on change */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
			&val);
	val |= (1<<12);
4881 4882
	if (phy->flags & FLAGS_NOC)
		val |= (3<<5);
Y
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4883

4884 4885 4886 4887 4888 4889
	/**
	 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
	 * status which reflect SFP+ module over-current
	 */
	if (!(phy->flags & FLAGS_NOC))
		val &= 0xff8f; /* Reset bits 4-6 */
Y
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4890 4891
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
Y
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4892

Y
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4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910
	bnx2x_8727_power_module(bp, phy, 1);

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

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

	/* Set option 1G speed */
	if (phy->req_line_speed == SPEED_1000) {
		DP(NETIF_MSG_LINK, "Setting 1G force\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
		DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Y
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4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923
		/**
		 * Power down the XAUI until link is up in case of dual-media
		 * and 1G
		 */
		if (DUAL_MEDIA(params)) {
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8727_PCS_GP, &val);
			val |= (3<<10);
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8727_PCS_GP, val);
		}
Y
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4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950
	} else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		   ((phy->speed_cap_mask &
		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
		   ((phy->speed_cap_mask &
		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {

		DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
	} else {
		/**
		 * Since the 8727 has only single reset pin, need to set the 10G
		 * registers although it is default
		 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
				 0x0020);
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
				 0x0008);
Y
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4951 4952
	}

Y
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4953 4954 4955 4956 4957 4958 4959
	/* Set 2-wire transfer rate of SFP+ module EEPROM
	 * to 100Khz since some DACs(direct attached cables) do
	 * not work at 400Khz.
	 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
			 0xa001);
Y
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4960

Y
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4961 4962 4963 4964 4965 4966 4967 4968 4969
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
		DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
			   phy->tx_preemphasis[0],
			   phy->tx_preemphasis[1]);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
				 phy->tx_preemphasis[0]);
Y
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4970

Y
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4971 4972 4973 4974
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
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4975

Y
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4976
	return 0;
Y
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4977 4978
}

Y
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4979 4980
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
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4981 4982
{
	struct bnx2x *bp = params->bp;
Y
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4983 4984 4985 4986 4987 4988 4989 4990 4991
	u16 mod_abs, rx_alarm_status;
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				      port_feature_config[params->port].
				      config));
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
	if (mod_abs & (1<<8)) {
Y
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4992

Y
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4993 4994 4995
		/* Module is absent */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is absent\n");
Y
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4996

Y
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4997 4998 4999 5000 5001 5002
		/* 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'.*/
5003 5004 5005
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
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5006 5007 5008
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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5009

Y
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5010 5011 5012 5013 5014
		/* Clear RX alarm since it stays up as long as
		the mod_abs wasn't changed */
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
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5015

Y
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5016 5017 5018 5019 5020 5021 5022
	} else {
		/* Module is present */
		DP(NETIF_MSG_LINK, "MOD_ABS indication "
			    "show module is present\n");
		/* First thing, disable transmitter,
		and if the module is ok, the
		module_detection will enable it*/
Y
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5023

Y
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5024 5025 5026 5027 5028
		/* 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) */
5029 5030 5031
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
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5032
		bnx2x_cl45_write(bp, phy,
Y
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5033 5034
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
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5035

Y
Yaniv Rosner 已提交
5036 5037 5038 5039 5040 5041 5042
		/* Clear RX alarm since it stays up as long as
		the mod_abs wasn't changed. This is need to be done
		before calling the module detection, otherwise it will clear
		the link update alarm */
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
Y
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5043 5044


Y
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5045 5046 5047 5048 5049 5050 5051 5052
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
			bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);

		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
			bnx2x_sfp_module_detection(phy, params);
		else
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Y
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5053
	}
Y
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5054 5055 5056 5057 5058

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
		 rx_alarm_status);
	/* No need to check link status in case of
	module plugged in/out */
Y
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5059 5060
}

Y
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5061 5062 5063 5064
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
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5065 5066
{
	struct bnx2x *bp = params->bp;
Y
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5067 5068
	u8 link_up = 0;
	u16 link_status = 0;
Y
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5069 5070 5071 5072 5073 5074 5075 5076 5077
	u16 rx_alarm_status, lasi_ctrl, val1;

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

Y
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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 5119 5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147
	/* Check the LASI */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

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

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

	/* Clear MSG-OUT */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);

	/**
	 * If a module is present and there is need to check
	 * for over current
	 */
	if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
		/* Check over-current using 8727 GPIO0 input*/
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
				&val1);

		if ((val1 & (1<<8)) == 0) {
			DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
				       " on port %d\n", params->port);
			netdev_err(bp->dev, "Error:  Power fault on Port %d has"
					    " been detected and the power to "
					    "that SFP+ module has been removed"
					    " to prevent failure of the card."
					    " Please remove the SFP+ module and"
					    " restart the system to clear this"
					    " error.\n",
				   params->port);

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

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

	/* When module absent bit is set, check module */
	if (rx_alarm_status & (1<<5)) {
		bnx2x_8727_handle_mod_abs(phy, params);
		/* Enable all mod_abs and link detection bits */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
				 ((1<<5) | (1<<2)));
	}
Y
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5148 5149
	DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
	bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Y
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5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178
	/* If transmitter is disabled, ignore false link up indication */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
	if (val1 & (1<<15)) {
		DP(NETIF_MSG_LINK, "Tx is disabled\n");
		return 0;
	}

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);

	/* Bits 0..2 --> speed detected,
	   bits 13..15--> link is down */
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
		link_up = 1;
		vars->line_speed = SPEED_1000;
		DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
			   params->port);
	} else {
		link_up = 0;
		DP(NETIF_MSG_LINK, "port %x: External link is down\n",
			   params->port);
	}
	if (link_up)
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
Y
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5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193 5194 5195 5196

	if ((DUAL_MEDIA(params)) &&
	    (phy->req_line_speed == SPEED_1000)) {
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_PCS_GP, &val1);
		/**
		 * In case of dual-media board and 1G, power up the XAUI side,
		 * otherwise power it down. For 10G it is done automatically
		 */
		if (link_up)
			val1 &= ~(3<<10);
		else
			val1 |= (3<<10);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8727_PCS_GP, val1);
	}
Y
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5197
	return link_up;
Y
Yaniv Rosner 已提交
5198
}
Y
Yaniv Rosner 已提交
5199

Y
Yaniv Rosner 已提交
5200 5201
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
5202 5203
{
	struct bnx2x *bp = params->bp;
Y
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5204 5205
	/* Disable Transmitter */
	bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
Y
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5206 5207 5208
	/* Clear LASI */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);

Y
Yaniv Rosner 已提交
5209
}
5210

Y
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5211 5212 5213 5214 5215
/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
					   struct link_params *params)
Y
Yaniv Rosner 已提交
5216
{
Y
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5217 5218
	u16 val, fw_ver1, fw_ver2, cnt;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5219

Y
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5220 5221 5222 5223 5224 5225 5226
	/* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
	/* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
Y
Yaniv Rosner 已提交
5227

Y
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5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
		bnx2x_save_spirom_version(bp, params->port, 0,
					  phy->ver_addr);
		return;
	}
Y
Yaniv Rosner 已提交
5240 5241


Y
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5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256
	/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
	for (cnt = 0; cnt < 100; cnt++) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
		if (val & 1)
			break;
		udelay(5);
	}
	if (cnt == 100) {
		DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
		bnx2x_save_spirom_version(bp, params->port, 0,
					  phy->ver_addr);
		return;
Y
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5257 5258
	}

Y
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5259 5260 5261 5262
	/* lower 16 bits of the register SPI_FW_STATUS */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
	/* upper 16 bits of register SPI_FW_STATUS */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Y
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5263

Y
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5264 5265 5266
	bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
				  phy->ver_addr);
}
Y
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5267

Y
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5268 5269
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
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5270
{
Y
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5271
	u16 val;
Y
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5272

Y
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5273 5274 5275 5276 5277 5278
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
	val &= 0xFE00;
	val |= 0x0092;
5279

Y
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5280 5281 5282
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
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5283

Y
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5284 5285 5286 5287
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED1_MASK,
			 0x80);
Y
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5288

Y
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5289 5290 5291 5292
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED2_MASK,
			 0x18);
Y
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5293

Y
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5294 5295 5296 5297
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8481_LED3_MASK,
			 0x0040);
Y
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5298

Y
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5299 5300 5301 5302
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
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5303 5304
}

Y
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5305
static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
Y
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5306 5307
				      struct link_params *params,
				      struct link_vars *vars)
Y
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5308
{
5309
	struct bnx2x *bp = params->bp;
Y
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5310
	u16 autoneg_val, an_1000_val, an_10_100_val;
5311

Y
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5312 5313
	bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
		      1 << NIG_LATCH_BC_ENABLE_MI_INT);
Y
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5314

Y
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5315 5316
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
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5317

Y
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5318
	bnx2x_848xx_set_led(bp, phy);
Y
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5319

Y
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5320 5321 5322 5323
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
5324

Y
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5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335
	bnx2x_ext_phy_set_pause(params, phy, vars);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_8481_LEGACY_AN_ADV,
			&an_10_100_val);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
			&autoneg_val);
	/* Disable forced speed */
	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
Y
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5336

Y
Yaniv Rosner 已提交
5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask &
	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->req_line_speed == SPEED_1000)) {
		an_1000_val |= (1<<8);
		autoneg_val |= (1<<9 | 1<<12);
		if (phy->req_duplex == DUPLEX_FULL)
			an_1000_val |= (1<<9);
		DP(NETIF_MSG_LINK, "Advertising 1G\n");
	} else
		an_1000_val &= ~((1<<8) | (1<<9));
Y
Yaniv Rosner 已提交
5348

Y
Yaniv Rosner 已提交
5349 5350 5351
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
5352

Y
Yaniv Rosner 已提交
5353 5354 5355 5356 5357 5358 5359 5360
	/* set 10 speed advertisement */
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask &
	     (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
		an_10_100_val |= (1<<7);
		/* Enable autoneg and restart autoneg for legacy speeds */
		autoneg_val |= (1<<9 | 1<<12);
Y
Yaniv Rosner 已提交
5361

Y
Yaniv Rosner 已提交
5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376
		if (phy->req_duplex == DUPLEX_FULL)
			an_10_100_val |= (1<<8);
		DP(NETIF_MSG_LINK, "Advertising 100M\n");
	}
	/* set 10 speed advertisement */
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	    (phy->speed_cap_mask &
	  (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
	   PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
		an_10_100_val |= (1<<5);
		autoneg_val |= (1<<9 | 1<<12);
		if (phy->req_duplex == DUPLEX_FULL)
			an_10_100_val |= (1<<6);
		DP(NETIF_MSG_LINK, "Advertising 10M\n");
	}
Y
Yaniv Rosner 已提交
5377

Y
Yaniv Rosner 已提交
5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393
	/* Only 10/100 are allowed to work in FORCE mode */
	if (phy->req_line_speed == SPEED_100) {
		autoneg_val |= (1<<13);
		/* Enabled AUTO-MDIX when autoneg is disabled */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
				 (1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
	if (phy->req_line_speed == SPEED_10) {
		/* Enabled AUTO-MDIX when autoneg is disabled */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
				 (1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 10M force\n");
	}
Y
Yaniv Rosner 已提交
5394

Y
Yaniv Rosner 已提交
5395 5396 5397
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
			 an_10_100_val);
Y
Yaniv Rosner 已提交
5398

Y
Yaniv Rosner 已提交
5399 5400
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
5401

Y
Yaniv Rosner 已提交
5402 5403 5404
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
5405

Y
Yaniv Rosner 已提交
5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421
	if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
	    (phy->speed_cap_mask &
	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
		(phy->req_line_speed == SPEED_10000)) {
		DP(NETIF_MSG_LINK, "Advertising 10G\n");
		/* Restart autoneg for 10G*/

		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
				 0x3200);
	} else if (phy->req_line_speed != SPEED_10 &&
		   phy->req_line_speed != SPEED_100) {
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);
Y
Yaniv Rosner 已提交
5422
	}
Y
Yaniv Rosner 已提交
5423 5424 5425 5426
	/* Save spirom version */
	bnx2x_save_848xx_spirom_version(phy, params);

	return 0;
Y
Yaniv Rosner 已提交
5427 5428
}

Y
Yaniv Rosner 已提交
5429 5430 5431
static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
5432 5433
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5434 5435 5436
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
5437

Y
Yaniv Rosner 已提交
5438 5439
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
5440
	bnx2x_wait_reset_complete(bp, phy);
5441

Y
Yaniv Rosner 已提交
5442 5443 5444
	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
5445

Y
Yaniv Rosner 已提交
5446 5447 5448 5449 5450
static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
5451
	u8 port, initialize = 1;
Y
Yaniv Rosner 已提交
5452
	u16 val;
Y
Yaniv Rosner 已提交
5453
	u16 temp;
Y
Yaniv Rosner 已提交
5454 5455
	u32 actual_phy_selection;
	u8 rc = 0;
5456 5457 5458

	/* This is just for MDIO_CTL_REG_84823_MEDIA register. */

Y
Yaniv Rosner 已提交
5459
	msleep(1);
5460 5461 5462 5463
	if (CHIP_IS_E2(bp))
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
5464 5465
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
5466
		       port);
5467 5468 5469
	bnx2x_wait_reset_complete(bp, phy);
	/* Wait for GPHY to come out of reset */
	msleep(50);
5470 5471
	/* BCM84823 requires that XGXS links up first @ 10G for normal
	behavior */
Y
Yaniv Rosner 已提交
5472 5473
	temp = vars->line_speed;
	vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
5474 5475
	bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
	bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
5476
	vars->line_speed = temp;
Y
Yaniv Rosner 已提交
5477 5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522

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

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
			MDIO_CTL_REG_84823_MEDIA, &val);
	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
	val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
		MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;

	actual_phy_selection = bnx2x_phy_selection(params);

	switch (actual_phy_selection) {
	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
		/* Do nothing. Essentialy this is like the priority copper */
		break;
	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
		break;
	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
		break;
	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
		/* Do nothing here. The first PHY won't be initialized at all */
		break;
	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
		initialize = 0;
		break;
	}
	if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;

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

	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
		bnx2x_save_848xx_spirom_version(phy, params);
	return rc;
Y
Yaniv Rosner 已提交
5523
}
Y
Yaniv Rosner 已提交
5524

Y
Yaniv Rosner 已提交
5525 5526 5527 5528 5529 5530 5531
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 val, val1, val2;
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
5532

Y
Yaniv Rosner 已提交
5533 5534 5535 5536 5537 5538 5539 5540
	/* Check 10G-BaseT link status */
	/* Check PMD signal ok */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, 0xFFFA, &val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
5541

Y
Yaniv Rosner 已提交
5542 5543
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
5544
		vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
5545 5546 5547 5548
		link_up = 1;
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
	} else { /* Check Legacy speed link */
		u16 legacy_status, legacy_speed;
Y
Yaniv Rosner 已提交
5549

Y
Yaniv Rosner 已提交
5550 5551 5552 5553
		/* Enable expansion register 0x42 (Operation mode status) */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
Y
Yaniv Rosner 已提交
5554

Y
Yaniv Rosner 已提交
5555 5556 5557 5558 5559
		/* Get legacy speed operation status */
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
				&legacy_status);
Y
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5560

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5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573
		DP(NETIF_MSG_LINK, "Legacy speed status"
			     " = 0x%x\n", legacy_status);
		link_up = ((legacy_status & (1<<11)) == (1<<11));
		if (link_up) {
			legacy_speed = (legacy_status & (3<<9));
			if (legacy_speed == (0<<9))
				vars->line_speed = SPEED_10;
			else if (legacy_speed == (1<<9))
				vars->line_speed = SPEED_100;
			else if (legacy_speed == (2<<9))
				vars->line_speed = SPEED_1000;
			else /* Should not happen */
				vars->line_speed = 0;
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5574

Y
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5575 5576 5577 5578
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
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5579

Y
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5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597
			DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
				   " is_duplex_full= %d\n", vars->line_speed,
				   (vars->duplex == DUPLEX_FULL));
			/* Check legacy speed AN resolution */
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
					&val);
			if (val & (1<<5))
				vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
					&val);
			if ((val & (1<<0)) == 0)
				vars->link_status |=
					LINK_STATUS_PARALLEL_DETECTION_USED;
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5598 5599
		}
	}
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5600 5601 5602 5603 5604
	if (link_up) {
		DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
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5605

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5606
	return link_up;
Y
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5607 5608
}

Y
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5609
static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
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5610
{
Y
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5611 5612 5613 5614 5615
	u8 status = 0;
	u32 spirom_ver;
	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
	status = bnx2x_format_ver(spirom_ver, str, len);
	return status;
Y
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5616
}
Y
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5617 5618 5619

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
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5620
{
Y
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5621 5622 5623 5624
	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);
Y
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5625
}
Y
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5626

Y
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5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639
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;
5640 5641 5642 5643 5644
	u8 port;
	if (CHIP_IS_E2(bp))
		port = BP_PATH(bp);
	else
		port = params->port;
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5645 5646 5647 5648 5649
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			    MISC_REGISTERS_GPIO_OUTPUT_LOW,
			    port);
}

5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 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
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
				     struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 val;

	switch (mode) {
	case LED_MODE_OFF:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	case LED_MODE_OPER:

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

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

			/* Set control reg */
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LINK_SIGNAL,
					&val);

			if (!((val &
			      MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			   >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)){
				DP(NETIF_MSG_LINK, "Seting LINK_SIGNAL\n");
				bnx2x_cl45_write(bp, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_LINK_SIGNAL,
						 0xa492);
			}

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

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

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

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

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
		}
		break;
	}
}
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5828 5829 5830 5831 5832
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
5833 5834
{
	struct bnx2x *bp = params->bp;
Y
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5835 5836 5837
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
5838 5839
}

Y
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5840 5841 5842
static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
Y
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5843
{
Y
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5844
	u16 fw_ver1, fw_ver2, val;
Y
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5845
	struct bnx2x *bp = params->bp;
Y
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5846
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
5847

Y
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5848 5849 5850 5851 5852 5853
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
			    MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_wait_reset_complete(bp, phy);
Y
Yaniv Rosner 已提交
5854

Y
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5855 5856 5857 5858 5859
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
Y
Yaniv Rosner 已提交
5860

Y
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5861 5862 5863 5864 5865 5866 5867
	bnx2x_ext_phy_set_pause(params, phy, vars);
	/* Restart autoneg */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
	val |= 0x200;
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
Y
Yaniv Rosner 已提交
5868

Y
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5869 5870 5871
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
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Yaniv Rosner 已提交
5872

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5873 5874 5875 5876 5877 5878
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
	bnx2x_save_spirom_version(bp, params->port,
				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
	return 0;
}
Y
Yaniv Rosner 已提交
5879

Y
Yaniv Rosner 已提交
5880 5881 5882
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
5883 5884
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914
	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
	DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
		   val2, val1);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
	DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
		   val2, val1);
	link_up = ((val1 & 4) == 4);
	/* if link is up
	 * print the AN outcome of the SFX7101 PHY
	 */
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
		DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
			   val2, (val2 & (1<<14)));
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
	}
	return link_up;
}
E
Eilon Greenstein 已提交
5915 5916


Y
Yaniv Rosner 已提交
5917 5918 5919 5920 5921 5922 5923 5924 5925 5926
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;
5927 5928 5929
	return 0;
}

Y
Yaniv Rosner 已提交
5930
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
5931
{
Y
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5932
	u16 val, cnt;
5933

Y
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5934 5935 5936
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD,
		      MDIO_PMA_REG_7101_RESET, &val);
5937

Y
Yaniv Rosner 已提交
5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_7101_RESET,
			       (val | (1<<15)));
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_7101_RESET, &val);
5949

Y
Yaniv Rosner 已提交
5950 5951
		if ((val & (1<<15)) == 0)
			break;
5952 5953
	}
}
Y
Yaniv Rosner 已提交
5954

Y
Yaniv Rosner 已提交
5955 5956 5957 5958 5959 5960 5961 5962 5963
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);
}
Y
Yaniv Rosner 已提交
5964

5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 5976 5977 5978 5979 5980 5981 5982 5983 5984 5985 5986 5987
static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
				    struct link_params *params, u8 mode)
{
	u16 val = 0;
	struct bnx2x *bp = params->bp;
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		val = 2;
		break;
	case LED_MODE_ON:
		val = 1;
		break;
	case LED_MODE_OPER:
		val = 0;
		break;
	}
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
			 val);
}

Y
Yaniv Rosner 已提交
5988 5989 5990
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
5991

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5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014
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,
Y
Yaniv Rosner 已提交
6015 6016
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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6017
};
Y
Yaniv Rosner 已提交
6018

Y
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6019 6020 6021 6022 6023 6024 6025 6026 6027 6028 6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048 6049 6050
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed = 0,
	.speed_cap_mask = 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_init_serdes,
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};
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static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.flags		= 0,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_2500baseX_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_UNSPECIFIED,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed = 0,
	.speed_cap_mask = 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_init_xgxs,
	.read_status	= (read_status_t)bnx2x_link_settings_status,
	.link_reset	= (link_reset_t)bnx2x_int_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
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	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
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};

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

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

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10000baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_SFP_FIBER,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8727_config_init,
	.read_status	= (read_status_t)bnx2x_8727_read_status,
	.link_reset	= (link_reset_t)bnx2x_8727_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_8727_hw_reset,
6274
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
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};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
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	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_8481_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_8481_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)bnx2x_8481_hw_reset,
6310
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};

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static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
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	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
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	.def_md_devad	= 0,
	.reserved	= 0,
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_TP |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
	.media_type	= ETH_PHY_BASE_T,
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
	.req_duplex	= 0,
	.rsrv		= 0,
	.config_init	= (config_init_t)bnx2x_848x3_config_init,
	.read_status	= (read_status_t)bnx2x_848xx_read_status,
	.link_reset	= (link_reset_t)bnx2x_848x3_link_reset,
	.config_loopback = (config_loopback_t)NULL,
	.format_fw_ver	= (format_fw_ver_t)bnx2x_848xx_format_ver,
	.hw_reset	= (hw_reset_t)NULL,
6347
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
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	.phy_specific_func = (phy_specific_func_t)NULL
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};

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

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

			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
			   dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
			  dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
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			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
			  dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
		}
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		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);

		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
	}
}

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

	return ext_phy_config;
}
static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				 struct bnx2x_phy *phy)
{
	u32 phy_addr;
	u32 chip_id;
	u32 switch_cfg = (REG_RD(bp, shmem_base +
				       offsetof(struct shmem_region,
			dev_info.port_feature_config[port].link_config)) &
			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
	chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
		phy_addr = REG_RD(bp,
					NIG_REG_SERDES0_CTRL_PHY_ADDR +
					port * 0x10);
		*phy = phy_serdes;
		break;
	case SWITCH_CFG_10G:
		phy_addr = REG_RD(bp,
					NIG_REG_XGXS0_CTRL_PHY_ADDR +
					port * 0x18);
		*phy = phy_xgxs;
		break;
	default:
		DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
		return -EINVAL;
	}
	phy->addr = (u8)phy_addr;
	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
					    port);
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	if (CHIP_IS_E2(bp))
		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
	else
		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
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	DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
		   port, phy->addr, phy->mdio_ctrl);

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

static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
				 u8 phy_index,
				 u32 shmem_base,
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				 u32 shmem2_base,
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				 u8 port,
				 struct bnx2x_phy *phy)
{
	u32 ext_phy_config, phy_type, config2;
	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
	ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
						  phy_index, port);
	phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
	/* Select the phy type */
	switch (phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
		*phy = phy_8073;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
		*phy = phy_8705;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
		*phy = phy_8706;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8726;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
		/* BCM8727_NOC => BCM8727 no over current */
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8727;
		phy->flags |= FLAGS_NOC;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
		*phy = phy_8727;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
		*phy = phy_8481;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
		*phy = phy_84823;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
		*phy = phy_7101;
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		*phy = phy_null;
		return -EINVAL;
	default:
		*phy = phy_null;
		return 0;
	}

	phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
	bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);

	/**
	* The shmem address of the phy version is located on different
	* structures. In case this structure is too old, do not set
	* the address
	*/
	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
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	if (phy_index == EXT_PHY1) {
		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
				port_mb[port].ext_phy_fw_version);
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	/* Check specific mdc mdio settings */
	if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
		mdc_mdio_access = config2 &
		SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
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	} else {
		u32 size = REG_RD(bp, shmem2_base);
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		if (size >
		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
			phy->ver_addr = shmem2_base +
			    offsetof(struct shmem2_region,
				     ext_phy_fw_version2[port]);
		}
		/* Check specific mdc mdio settings */
		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
			mdc_mdio_access = (config2 &
			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
	}
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	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

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

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

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
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			      u8 phy_index)
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{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
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	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
					 offsetof(struct shmem_region, dev_info.
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
					offsetof(struct shmem_region, dev_info.
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
				offsetof(struct shmem_region, dev_info.
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
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				offsetof(struct shmem_region, dev_info.
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			   port_hw_config[params->port].speed_capability_mask));
	}
	DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
		       " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
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6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646

	phy->req_duplex = DUPLEX_FULL;
	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
	case PORT_FEATURE_LINK_SPEED_10M_HALF:
		phy->req_duplex = DUPLEX_HALF;
	case PORT_FEATURE_LINK_SPEED_10M_FULL:
		phy->req_line_speed = SPEED_10;
		break;
	case PORT_FEATURE_LINK_SPEED_100M_HALF:
		phy->req_duplex = DUPLEX_HALF;
	case PORT_FEATURE_LINK_SPEED_100M_FULL:
		phy->req_line_speed = SPEED_100;
		break;
	case PORT_FEATURE_LINK_SPEED_1G:
		phy->req_line_speed = SPEED_1000;
		break;
	case PORT_FEATURE_LINK_SPEED_2_5G:
		phy->req_line_speed = SPEED_2500;
		break;
	case PORT_FEATURE_LINK_SPEED_10G_CX4:
		phy->req_line_speed = SPEED_10000;
		break;
	default:
		phy->req_line_speed = SPEED_AUTO_NEG;
		break;
	}

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

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u32 bnx2x_phy_selection(struct link_params *params)
{
	u32 phy_config_swapped, prio_cfg;
	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;

	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;

	prio_cfg = params->multi_phy_config &
			PORT_HW_CFG_PHY_SELECTION_MASK;

	if (phy_config_swapped) {
		switch (prio_cfg) {
		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
		     break;
		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
		     break;
		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
		     break;
		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
		     break;
		}
	} else
		return_cfg = prio_cfg;

	return return_cfg;
}


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

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

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

static void set_phy_vars(struct link_params *params)
{
	struct bnx2x *bp = params->bp;
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	u8 actual_phy_idx, phy_index, link_cfg_idx;
	u8 phy_config_swapped = params->multi_phy_config &
			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
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	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
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		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
Y
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6737
		actual_phy_idx = phy_index;
Y
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6738 6739 6740 6741 6742 6743
		if (phy_config_swapped) {
			if (phy_index == EXT_PHY1)
				actual_phy_idx = EXT_PHY2;
			else if (phy_index == EXT_PHY2)
				actual_phy_idx = EXT_PHY1;
		}
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		params->phy[actual_phy_idx].req_flow_ctrl  =
Y
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6745
			params->req_flow_ctrl[link_cfg_idx];
Y
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6746 6747

		params->phy[actual_phy_idx].req_line_speed =
Y
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6748
			params->req_line_speed[link_cfg_idx];
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6749 6750

		params->phy[actual_phy_idx].speed_cap_mask =
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			params->speed_cap_mask[link_cfg_idx];
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6752 6753

		params->phy[actual_phy_idx].req_duplex =
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6754
			params->req_duplex[link_cfg_idx];
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		DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
			   " speed_cap_mask %x\n",
			   params->phy[actual_phy_idx].req_flow_ctrl,
			   params->phy[actual_phy_idx].req_line_speed,
			   params->phy[actual_phy_idx].speed_cap_mask);
	}
}

u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
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	DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
		   params->req_line_speed[0], params->req_flow_ctrl[0]);
	DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
		   params->req_line_speed[1], params->req_flow_ctrl[1]);
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6772 6773 6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814
	vars->link_status = 0;
	vars->phy_link_up = 0;
	vars->link_up = 0;
	vars->line_speed = 0;
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_NONE;
	vars->phy_flags = 0;

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

	bnx2x_emac_init(params, vars);

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

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

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

		bnx2x_emac_enable(params, vars, 0);
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		if (!(CHIP_IS_E2(bp)))
			bnx2x_pbf_update(params, vars->flow_ctrl,
					 vars->line_speed);
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6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854
		/* disable drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);

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

		return 0;

	} else
	if (CHIP_REV_IS_EMUL(bp)) {

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

		bnx2x_bmac_enable(params, vars, 0);

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

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

		return 0;

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

		vars->link_up = 1;
		vars->line_speed = SPEED_10000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_BMAC;
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		vars->phy_flags = PHY_XGXS_FLAG;
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6857

Y
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6858
		bnx2x_xgxs_deassert(params);
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		/* set bmac loopback */
		bnx2x_bmac_enable(params, vars, 1);
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Y
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		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
		    params->port*4, 0);
Y
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Y
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6866
	} else if (params->loopback_mode == LOOPBACK_EMAC) {
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		vars->link_up = 1;
		vars->line_speed = SPEED_1000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_EMAC;
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Y
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6874
		vars->phy_flags = PHY_XGXS_FLAG;
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6875

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		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
		    params->port*4, 0);
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6882

Y
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6883 6884
	} else if ((params->loopback_mode == LOOPBACK_XGXS) ||
		   (params->loopback_mode == LOOPBACK_EXT_PHY)) {
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Yaniv Rosner 已提交
6885

Y
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6886 6887
		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
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6888 6889 6890 6891 6892 6893 6894 6895
		vars->duplex = DUPLEX_FULL;
		if (params->req_line_speed[0] == SPEED_1000) {
			vars->line_speed = SPEED_1000;
			vars->mac_type = MAC_TYPE_EMAC;
		} else {
			vars->line_speed = SPEED_10000;
			vars->mac_type = MAC_TYPE_BMAC;
		}
6896

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		bnx2x_xgxs_deassert(params);
		bnx2x_link_initialize(params, vars);
6899

Y
Yaniv Rosner 已提交
6900 6901 6902 6903
		if (params->req_line_speed[0] == SPEED_1000) {
			bnx2x_emac_program(params, vars);
			bnx2x_emac_enable(params, vars, 0);
		} else
Y
Yaniv Rosner 已提交
6904
		bnx2x_bmac_enable(params, vars, 0);
6905

Y
Yaniv Rosner 已提交
6906 6907 6908 6909 6910
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
6911

Y
Yaniv Rosner 已提交
6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926
		} else {
			/* set external phy loopback */
			u8 phy_index;
			for (phy_index = EXT_PHY1;
			      phy_index < params->num_phys; phy_index++) {
				if (params->phy[phy_index].config_loopback)
					params->phy[phy_index].config_loopback(
						&params->phy[phy_index],
						params);
			}
		}

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

6927 6928
		bnx2x_set_led(params, vars,
			      LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
6929 6930 6931 6932 6933 6934 6935
	} else
	/* No loopback */
	{
		if (params->switch_cfg == SWITCH_CFG_10G)
			bnx2x_xgxs_deassert(params);
		else
			bnx2x_serdes_deassert(bp, params->port);
6936

Y
Yaniv Rosner 已提交
6937 6938 6939 6940
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
	}
Y
Yaniv Rosner 已提交
6941 6942
	return 0;
}
Y
Yaniv Rosner 已提交
6943 6944
u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		  u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
6945 6946
{
	struct bnx2x *bp = params->bp;
6947
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
6948 6949 6950 6951 6952 6953 6954 6955 6956
	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
	/* disable attentions */
	vars->link_status = 0;
	bnx2x_update_mng(params, vars->link_status);
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
		     (NIG_MASK_XGXS0_LINK_STATUS |
		      NIG_MASK_XGXS0_LINK10G |
		      NIG_MASK_SERDES0_LINK_STATUS |
		      NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
6957

Y
Yaniv Rosner 已提交
6958 6959
	/* activate nig drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
6960

Y
Yaniv Rosner 已提交
6961 6962 6963
	/* 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);
Y
Yaniv Rosner 已提交
6964

Y
Yaniv Rosner 已提交
6965 6966
	/* Stop BigMac rx */
	bnx2x_bmac_rx_disable(bp, port);
Y
Yaniv Rosner 已提交
6967

Y
Yaniv Rosner 已提交
6968 6969
	/* disable emac */
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
6970

Y
Yaniv Rosner 已提交
6971 6972 6973 6974 6975
	msleep(10);
	/* The PHY reset is controled by GPIO 1
	 * Hold it as vars low
	 */
	 /* clear link led */
6976 6977
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
6978 6979 6980 6981 6982 6983 6984
	if (reset_ext_phy) {
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
			if (params->phy[phy_index].link_reset)
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
6985 6986 6987
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
6988 6989 6990
		}
	}

6991 6992 6993 6994 6995 6996
	if (clear_latch_ind) {
		/* Clear latching indication */
		bnx2x_rearm_latch_signal(bp, port, 0);
		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
			       1 << NIG_LATCH_BC_ENABLE_MI_INT);
	}
Y
Yaniv Rosner 已提交
6997 6998 6999 7000 7001 7002
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
	/* reset BigMac */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Y
Yaniv Rosner 已提交
7003

Y
Yaniv Rosner 已提交
7004 7005 7006 7007 7008 7009
	/* disable nig ingress interface */
	REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
	REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
	vars->link_up = 0;
Y
Yaniv Rosner 已提交
7010 7011 7012
	return 0;
}

Y
Yaniv Rosner 已提交
7013 7014 7015
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
D
Dmitry Kravkov 已提交
7016 7017 7018 7019
static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
				     u32 shmem_base_path[],
				     u32 shmem2_base_path[], u8 phy_index,
				     u32 chip_id)
Y
Yaniv Rosner 已提交
7020
{
Y
Yaniv Rosner 已提交
7021 7022
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
7023 7024
	u16 val;
	s8 port;
D
Dmitry Kravkov 已提交
7025
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
7026

7027
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
7028 7029
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041
		u32 shmem_base, shmem2_base;
		/* In E2, same phy is using for port0 of the two paths */
		if (CHIP_IS_E2(bp)) {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
		} else {
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
		}

Y
Yaniv Rosner 已提交
7042
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7043
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
7044
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
7045 7046 7047 7048
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
7049
		/* disable attentions */
7050 7051
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062
			     (NIG_MASK_XGXS0_LINK_STATUS |
			      NIG_MASK_XGXS0_LINK10G |
			      NIG_MASK_SERDES0_LINK_STATUS |
			      NIG_MASK_MI_INT));

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

		/* Reset the phy */
Y
Yaniv Rosner 已提交
7063
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
7064 7065 7066 7067 7068 7069 7070 7071
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_CTRL,
			       1<<15);
	}

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

Y
Yaniv Rosner 已提交
7072 7073 7074 7075 7076 7077 7078 7079
	if (phy[PORT_0].addr & 0x1) {
		phy_blk[PORT_0] = &(phy[PORT_1]);
		phy_blk[PORT_1] = &(phy[PORT_0]);
	} else {
		phy_blk[PORT_0] = &(phy[PORT_0]);
		phy_blk[PORT_1] = &(phy[PORT_1]);
	}

Y
Yaniv Rosner 已提交
7080 7081 7082
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
		u16 fw_ver1;
D
Dmitry Kravkov 已提交
7083 7084 7085 7086
		if (CHIP_IS_E2(bp))
			port_of_path = 0;
		else
			port_of_path = port;
Y
Yaniv Rosner 已提交
7087

D
Dmitry Kravkov 已提交
7088 7089
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
Y
Yaniv Rosner 已提交
7090
		bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
D
Dmitry Kravkov 已提交
7091
						  port_of_path);
Y
Yaniv Rosner 已提交
7092

Y
Yaniv Rosner 已提交
7093
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7094 7095
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7096
		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
Y
Yaniv Rosner 已提交
7097
			DP(NETIF_MSG_LINK,
7098 7099 7100
				 "bnx2x_8073_common_init_phy port %x:"
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
Y
Yaniv Rosner 已提交
7101 7102 7103 7104
			return -EINVAL;
		}

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
7105
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7106 7107 7108 7109
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_TX_POWER_DOWN, &val);

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
7110
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7111 7112 7113 7114 7115 7116 7117 7118 7119 7120 7121
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_TX_POWER_DOWN,
			       (val | 1<<10));
	}

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

	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
E
Eilon Greenstein 已提交
7122
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
7123
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
7124
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7125 7126 7127
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_TX_POWER_DOWN, &val);

Y
Yaniv Rosner 已提交
7128
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7129 7130 7131 7132 7133
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
		msleep(15);

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
7134
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7135 7136
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
7137
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
7138 7139 7140 7141 7142 7143 7144 7145 7146
			      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;
}
D
Dmitry Kravkov 已提交
7147 7148 7149 7150
static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
				     u32 shmem_base_path[],
				     u32 shmem2_base_path[], u8 phy_index,
				     u32 chip_id)
Y
Yaniv Rosner 已提交
7151 7152 7153 7154 7155 7156 7157 7158 7159 7160 7161
{
	u32 val;
	s8 port;
	struct bnx2x_phy phy;
	/* Use port1 because of the static port-swap */
	/* Enable the module detection interrupt */
	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
	val |= ((1<<MISC_REGISTERS_GPIO_3)|
		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);

7162
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yaniv Rosner 已提交
7163 7164
	msleep(5);
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
7165 7166 7167 7168 7169 7170 7171 7172 7173 7174
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
		if (CHIP_IS_E2(bp)) {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
		} else {
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
		}
Y
Yaniv Rosner 已提交
7175
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7176
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
7177 7178 7179 7180 7181 7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195
				       port, &phy) !=
		    0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}

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


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

	return 0;
}
D
Dmitry Kravkov 已提交
7196 7197 7198 7199
static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
				     u32 shmem_base_path[],
				     u32 shmem2_base_path[], u8 phy_index,
				     u32 chip_id)
E
Eilon Greenstein 已提交
7200
{
Y
Yaniv Rosner 已提交
7201
	s8 port;
E
Eilon Greenstein 已提交
7202
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
7203 7204
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
7205
	s8 port_of_path;
E
Eilon Greenstein 已提交
7206 7207 7208
	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);

Y
Yaniv Rosner 已提交
7209
	port = 1;
E
Eilon Greenstein 已提交
7210

Y
Yaniv Rosner 已提交
7211 7212 7213 7214 7215 7216
	bnx2x_ext_phy_hw_reset(bp, port ^ (swap_val && swap_override));

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

	msleep(5);
E
Eilon Greenstein 已提交
7217

E
Eilon Greenstein 已提交
7218
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
7219
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
7220 7221 7222 7223 7224 7225 7226 7227 7228 7229 7230 7231 7232
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
		if (CHIP_IS_E2(bp)) {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
		} else {
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
		}

E
Eilon Greenstein 已提交
7233
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
7234
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
7235
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
7236 7237 7238 7239
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
7240
		/* disable attentions */
D
Dmitry Kravkov 已提交
7241 7242 7243 7244 7245 7246
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
E
Eilon Greenstein 已提交
7247 7248 7249


		/* Reset the phy */
Y
Yaniv Rosner 已提交
7250
		bnx2x_cl45_write(bp, &phy[port],
E
Eilon Greenstein 已提交
7251 7252 7253 7254 7255 7256 7257
			       MDIO_PMA_DEVAD,
			       MDIO_PMA_REG_CTRL,
			       1<<15);
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
7258 7259 7260 7261 7262 7263 7264
	if (phy[PORT_0].addr & 0x1) {
		phy_blk[PORT_0] = &(phy[PORT_1]);
		phy_blk[PORT_1] = &(phy[PORT_0]);
	} else {
		phy_blk[PORT_0] = &(phy[PORT_0]);
		phy_blk[PORT_1] = &(phy[PORT_1]);
	}
E
Eilon Greenstein 已提交
7265
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
7266
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
E
Eilon Greenstein 已提交
7267
		u16 fw_ver1;
D
Dmitry Kravkov 已提交
7268 7269 7270 7271 7272 7273
		 if (CHIP_IS_E2(bp))
			port_of_path = 0;
		else
			port_of_path = port;
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
Y
Yaniv Rosner 已提交
7274
		bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
D
Dmitry Kravkov 已提交
7275
						  port_of_path);
Y
Yaniv Rosner 已提交
7276
		bnx2x_cl45_read(bp, phy_blk[port],
E
Eilon Greenstein 已提交
7277 7278 7279 7280
			      MDIO_PMA_DEVAD,
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);
		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
			DP(NETIF_MSG_LINK,
E
Eilon Greenstein 已提交
7281
				 "bnx2x_8727_common_init_phy port %x:"
E
Eilon Greenstein 已提交
7282 7283 7284 7285 7286 7287 7288 7289 7290
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
			return -EINVAL;
		}
	}

	return 0;
}

D
Dmitry Kravkov 已提交
7291 7292 7293
static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
				    u32 shmem2_base_path[], u8 phy_index,
				    u32 ext_phy_type, u32 chip_id)
Y
Yaniv Rosner 已提交
7294 7295 7296 7297 7298
{
	u8 rc = 0;

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
7299 7300 7301
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
7302
		break;
E
Eilon Greenstein 已提交
7303 7304 7305

	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
D
Dmitry Kravkov 已提交
7306 7307 7308
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
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		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 */
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		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
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		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
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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;
}

D
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u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
			 u32 shmem2_base_path[], u32 chip_id)
Y
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{
	u8 rc = 0;
	u8 phy_index;
	u32 ext_phy_type, ext_phy_config;
	DP(NETIF_MSG_LINK, "Begin common phy init\n");

	if (CHIP_REV_IS_EMUL(bp))
		return 0;

	/* Read the ext_phy_type for arbitrary port(0) */
	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
	      phy_index++) {
		ext_phy_config = bnx2x_get_ext_phy_config(bp,
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							  shmem_base_path[0],
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							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
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		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, ext_phy_type,
						chip_id);
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	}
	return rc;
}
7356

Y
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u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
7358 7359 7360 7361 7362
{
	u8 phy_index;
	struct bnx2x_phy phy;
	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
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		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
7364 7365 7366 7367 7368 7369 7370 7371 7372 7373 7374 7375 7376
				       0, &phy) != 0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return 0;
		}

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

u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
			     u32 shmem_base,
Y
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			     u32 shmem2_base,
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			     u8 port)
{
	u8 phy_index, fan_failure_det_req = 0;
	struct bnx2x_phy phy;
	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
	      phy_index++) {
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		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
7385 7386 7387 7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408
				       port, &phy)
		    != 0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return 0;
		}
		fan_failure_det_req |= (phy.flags &
					FLAGS_FAN_FAILURE_DET_REQ);
	}
	return fan_failure_det_req;
}

void bnx2x_hw_reset_phy(struct link_params *params)
{
	u8 phy_index;
	for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
	      phy_index++) {
		if (params->phy[phy_index].hw_reset) {
			params->phy[phy_index].hw_reset(
				&params->phy[phy_index],
				params);
			params->phy[phy_index] = phy_null;
		}
	}
}