bnx2x_link.c 384.9 KB
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/* Copyright 2008-2012 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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#include "bnx2x_cmn.h"

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/********************************************************/
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#define ETH_HLEN			14
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/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
#define ETH_OVREHEAD			(ETH_HLEN + 8 + 8)
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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
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#define WC_LANE_MAX			4
#define I2C_SWITCH_WIDTH		2
#define I2C_BSC0			0
#define I2C_BSC1			1
#define I2C_WA_RETRY_CNT		3
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#define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
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#define MCPR_IMC_COMMAND_READ_OP	1
#define MCPR_IMC_COMMAND_WRITE_OP	2
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/* LED Blink rate that will achieve ~15.9Hz */
#define LED_BLINK_RATE_VAL_E3		354
#define LED_BLINK_RATE_VAL_E1X_E2	480
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/***********************************************************/
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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
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#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_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
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#define	GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
#define	GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
#define	GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
#define	GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
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#define LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
#define LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
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#define LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
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#define LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
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#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
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#define LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
#define LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
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#define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
#define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
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#define SFP_EEPROM_CON_TYPE_ADDR		0x2
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	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
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	#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
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	#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
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#define SFP_EEPROM_OPTIONS_ADDR			0x40
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	#define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
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#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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/* ETS defines*/
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#define DCBX_INVALID_COS					(0xFF)

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#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
#define ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
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#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
#define ETS_E3B0_PBF_MIN_W_VAL				(10000)

#define MAX_PACKET_SIZE					(9700)
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#define MAX_KR_LINK_RETRY				4
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/**********************************************************/
/*                     INTERFACE                          */
/**********************************************************/
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#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
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	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 CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
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	bnx2x_cl45_read(_bp, _phy, \
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		(_phy)->def_md_devad, \
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		(_bank + (_addr & 0xf)), \
		_val)

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

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

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

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

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/*
 * bnx2x_check_lfa - This function checks if link reinitialization is required,
 *                   or link flap can be avoided.
 *
 * @params:	link parameters
 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
 *         condition code.
 */
static int bnx2x_check_lfa(struct link_params *params)
{
	u32 link_status, cfg_idx, lfa_mask, cfg_size;
	u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
	u32 saved_val, req_val, eee_status;
	struct bnx2x *bp = params->bp;

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

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

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

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

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

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

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

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

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

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

	if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
		DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
		return LFA_FLOW_CTRL_MISMATCH;
	}

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

	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
	     (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
	     (params->eee_mode & EEE_MODE_ADV_LPI))) {
		DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
			       eee_status);
		return LFA_EEE_MISMATCH;
	}

	/* LFA conditions are met */
	return 0;
}
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/******************************************************************/
/*			EPIO/GPIO section			  */
/******************************************************************/
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static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
{
	u32 epio_mask, gp_oenable;
	*en = 0;
	/* Sanity check */
	if (epio_pin > 31) {
		DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
		return;
	}

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

	*en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
}
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static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
{
	u32 epio_mask, gp_output, gp_oenable;

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

	REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);

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

static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
{
	if (pin_cfg == PIN_CFG_NA)
		return;
	if (pin_cfg >= PIN_CFG_EPIO0) {
		bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
	} else {
		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
		bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
	}
}

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static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
{
	if (pin_cfg == PIN_CFG_NA)
		return -EINVAL;
	if (pin_cfg >= PIN_CFG_EPIO0) {
		bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
	} else {
		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
		*val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
	}
	return 0;

}
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/******************************************************************/
/*				ETS section			  */
/******************************************************************/
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static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
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{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;

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	DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
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	/* mapping between entry  priority to client number (0,1,2 -debug and
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	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
	 * 3bits client num.
	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
	 */

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

	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
	/* defines which entries (clients) are subjected to WFQ arbitration */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
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	/* For strict priority entries defines the number of consecutive
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	 * slots for the highest priority.
	 */
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	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
436
	/* mapping between the CREDIT_WEIGHT registers and actual client
437 438 439 440 441 442 443 444 445 446 447
	 * numbers
	 */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);

	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
	REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
	/* ETS mode disable */
	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
448
	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
449 450 451 452 453 454 455 456 457 458
	 * weight for COS0/COS1.
	 */
	REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
	REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
	REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
	REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
}
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/******************************************************************************
* Description:
*	Getting min_w_val will be set according to line speed .
*.
******************************************************************************/
static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
{
	u32 min_w_val = 0;
	/* Calculate min_w_val.*/
	if (vars->link_up) {
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		if (vars->line_speed == SPEED_20000)
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			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
		else
			min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
	} else
		min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
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	/* If the link isn't up (static configuration for example ) The
	 * link will be according to 20GBPS.
	 */
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	return min_w_val;
}
/******************************************************************************
* Description:
*	Getting credit upper bound form min_w_val.
*.
******************************************************************************/
static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
{
	const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
						MAX_PACKET_SIZE);
	return credit_upper_bound;
}
/******************************************************************************
* Description:
*	Set credit upper bound for NIG.
*.
******************************************************************************/
static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
	const struct link_params *params,
	const u32 min_w_val)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u32 credit_upper_bound =
	    bnx2x_ets_get_credit_upper_bound(min_w_val);

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

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	if (!port) {
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		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
			credit_upper_bound);
		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
			credit_upper_bound);
		REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
			credit_upper_bound);
	}
}
/******************************************************************************
* Description:
*	Will return the NIG ETS registers to init values.Except
*	credit_upper_bound.
*	That isn't used in this configuration (No WFQ is enabled) and will be
*	configured acording to spec
*.
******************************************************************************/
static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
					const struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
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	/* Mapping between entry  priority to client number (0,1,2 -debug and
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	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
	 * reset value or init tool
	 */
	if (port) {
		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
	} else {
		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
		REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
	}
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	/* For strict priority entries defines the number of consecutive
	 * slots for the highest priority.
	 */
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	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
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	/* Mapping between the CREDIT_WEIGHT registers and actual client
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	 * numbers
	 */
	if (port) {
		/*Port 1 has 6 COS*/
		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
		REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
	} else {
		/*Port 0 has 9 COS*/
		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
		       0x43210876);
		REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
	}

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

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

	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
}
/******************************************************************************
* Description:
*	Set credit upper bound for PBF.
*.
******************************************************************************/
static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
	const struct link_params *params,
	const u32 min_w_val)
{
	struct bnx2x *bp = params->bp;
	const u32 credit_upper_bound =
	    bnx2x_ets_get_credit_upper_bound(min_w_val);
	const u8 port = params->port;
	u32 base_upper_bound = 0;
	u8 max_cos = 0;
	u8 i = 0;
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	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
	 * port mode port1 has COS0-2 that can be used for WFQ.
	 */
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	if (!port) {
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		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
	} else {
		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
	}

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

/******************************************************************************
* Description:
*	Will return the PBF ETS registers to init values.Except
*	credit_upper_bound.
*	That isn't used in this configuration (No WFQ is enabled) and will be
*	configured acording to spec
*.
******************************************************************************/
static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
	u8 i = 0;
	u32 base_weight = 0;
	u8 max_cos = 0;

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

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

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


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

	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
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	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
	 */
692
	if (!port) {
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		base_weight = PBF_REG_COS0_WEIGHT_P0;
		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
	} else {
		base_weight = PBF_REG_COS0_WEIGHT_P1;
		max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
	}

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

	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
}
/******************************************************************************
* Description:
*	E3B0 disable will return basicly the values to init values.
*.
******************************************************************************/
static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
				   const struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;

	if (!CHIP_IS_E3B0(bp)) {
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		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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		return -EINVAL;
	}

	bnx2x_ets_e3b0_nig_disabled(params, vars);

	bnx2x_ets_e3b0_pbf_disabled(params);

	return 0;
}

/******************************************************************************
* Description:
*	Disable will return basicly the values to init values.
731
*
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******************************************************************************/
int bnx2x_ets_disabled(struct link_params *params,
		      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	int bnx2x_status = 0;

	if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
		bnx2x_ets_e2e3a0_disabled(params);
	else if (CHIP_IS_E3B0(bp))
		bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
	else {
		DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
		return -EINVAL;
	}

	return bnx2x_status;
}

/******************************************************************************
* Description
*	Set the COS mappimg to SP and BW until this point all the COS are not
*	set as SP or BW.
******************************************************************************/
static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
				  const struct bnx2x_ets_params *ets_params,
				  const u8 cos_sp_bitmap,
				  const u8 cos_bw_bitmap)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;

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

	REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
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	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
	       nig_cli_subject2wfq_bitmap);

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

	return 0;
}

/******************************************************************************
* Description:
*	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
*	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
******************************************************************************/
static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
				     const u8 cos_entry,
				     const u32 min_w_val_nig,
				     const u32 min_w_val_pbf,
				     const u16 total_bw,
				     const u8 bw,
				     const u8 port)
{
	u32 nig_reg_adress_crd_weight = 0;
	u32 pbf_reg_adress_crd_weight = 0;
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	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
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	switch (cos_entry) {
	case 0:
	    nig_reg_adress_crd_weight =
		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
	     pbf_reg_adress_crd_weight = (port) ?
		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
	     break;
	case 1:
	     nig_reg_adress_crd_weight = (port) ?
		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
	     pbf_reg_adress_crd_weight = (port) ?
		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
	     break;
	case 2:
	     nig_reg_adress_crd_weight = (port) ?
		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;

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

	REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);

	REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);

	return 0;
}
/******************************************************************************
* Description:
*	Calculate the total BW.A value of 0 isn't legal.
860
*
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******************************************************************************/
static int bnx2x_ets_e3b0_get_total_bw(
	const struct link_params *params,
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	struct bnx2x_ets_params *ets_params,
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	u16 *total_bw)
{
	struct bnx2x *bp = params->bp;
	u8 cos_idx = 0;
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	u8 is_bw_cos_exist = 0;
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	*total_bw = 0 ;
	/* Calculate total BW requested */
	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
874
		if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
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			is_bw_cos_exist = 1;
			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
				DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
						   "was set to 0\n");
879
				/* This is to prevent a state when ramrods
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				 * can't be sent
881
				 */
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				ets_params->cos[cos_idx].params.bw_params.bw
					 = 1;
			}
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			*total_bw +=
				ets_params->cos[cos_idx].params.bw_params.bw;
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		}
	}

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	/* Check total BW is valid */
891 892
	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
		if (*total_bw == 0) {
893
			DP(NETIF_MSG_LINK,
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			   "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
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			return -EINVAL;
		}
897
		DP(NETIF_MSG_LINK,
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		   "bnx2x_ets_E3B0_config total BW should be 100\n");
899
		/* We can handle a case whre the BW isn't 100 this can happen
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		 * if the TC are joined.
		 */
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	}
	return 0;
}

/******************************************************************************
* Description:
*	Invalidate all the sp_pri_to_cos.
909
*
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******************************************************************************/
static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
{
	u8 pri = 0;
	for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
}
/******************************************************************************
* Description:
*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
*	according to sp_pri_to_cos.
921
*
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******************************************************************************/
static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
					    u8 *sp_pri_to_cos, const u8 pri,
					    const u8 cos_entry)
{
	struct bnx2x *bp = params->bp;
	const u8 port = params->port;
	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
		DCBX_E3B0_MAX_NUM_COS_PORT0;

932 933 934 935 936 937
	if (pri >= max_num_of_cos) {
		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
		   "parameter Illegal strict priority\n");
	    return -EINVAL;
	}

938
	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
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		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
940
				   "parameter There can't be two COS's with "
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				   "the same strict pri\n");
		return -EINVAL;
	}

	sp_pri_to_cos[pri] = cos_entry;
	return 0;

}

/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in
*	the sp_pri_cli register.
954
*
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******************************************************************************/
static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
					 const u8 pri_set,
					 const u8 pri_offset,
					 const u8 entry_size)
{
	u64 pri_cli_nig = 0;
	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
						    (pri_set + pri_offset));

	return pri_cli_nig;
}
/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in the
*	sp_pri_cli register for NIG.
971
*
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******************************************************************************/
static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
{
	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
	const u8 nig_cos_offset = 3;
	const u8 nig_pri_offset = 3;

	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
		nig_pri_offset, 4);

}
/******************************************************************************
* Description:
*	Returns the correct value according to COS and priority in the
*	sp_pri_cli register for PBF.
987
*
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******************************************************************************/
static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
{
	const u8 pbf_cos_offset = 0;
	const u8 pbf_pri_offset = 0;

	return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
		pbf_pri_offset, 3);

}

/******************************************************************************
* Description:
*	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
*	according to sp_pri_to_cos.(which COS has higher priority)
1003
*
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******************************************************************************/
static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
					     u8 *sp_pri_to_cos)
{
	struct bnx2x *bp = params->bp;
	u8 i = 0;
	const u8 port = params->port;
	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
	u64 pri_cli_nig = 0x210;
	u32 pri_cli_pbf = 0x0;
	u8 pri_set = 0;
	u8 pri_bitmask = 0;
	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
		DCBX_E3B0_MAX_NUM_COS_PORT0;

	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;

	/* Set all the strict priority first */
	for (i = 0; i < max_num_of_cos; i++) {
1023 1024
		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
			if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
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				DP(NETIF_MSG_LINK,
					   "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
					   "invalid cos entry\n");
				return -EINVAL;
			}

			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
			    sp_pri_to_cos[i], pri_set);

			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
			    sp_pri_to_cos[i], pri_set);
			pri_bitmask = 1 << sp_pri_to_cos[i];
			/* COS is used remove it from bitmap.*/
1038
			if (!(pri_bitmask & cos_bit_to_set)) {
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				DP(NETIF_MSG_LINK,
					"bnx2x_ets_e3b0_sp_set_pri_cli_reg "
					"invalid There can't be two COS's with"
					" the same strict pri\n");
				return -EINVAL;
			}
			cos_bit_to_set &= ~pri_bitmask;
			pri_set++;
		}
	}

	/* Set all the Non strict priority i= COS*/
	for (i = 0; i < max_num_of_cos; i++) {
		pri_bitmask = 1 << i;
		/* Check if COS was already used for SP */
		if (pri_bitmask & cos_bit_to_set) {
			/* COS wasn't used for SP */
			pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
			    i, pri_set);

			pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
			    i, pri_set);
			/* COS is used remove it from bitmap.*/
			cos_bit_to_set &= ~pri_bitmask;
			pri_set++;
		}
	}

	if (pri_set != max_num_of_cos) {
		DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
				   "entries were set\n");
		return -EINVAL;
	}

	if (port) {
		/* Only 6 usable clients*/
		REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
		       (u32)pri_cli_nig);

		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
	} else {
		/* Only 9 usable clients*/
		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);

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

		REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
	}
	return 0;
}

/******************************************************************************
* Description:
*	Configure the COS to ETS according to BW and SP settings.
******************************************************************************/
int bnx2x_ets_e3b0_config(const struct link_params *params,
			 const struct link_vars *vars,
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			 struct bnx2x_ets_params *ets_params)
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{
	struct bnx2x *bp = params->bp;
	int bnx2x_status = 0;
	const u8 port = params->port;
	u16 total_bw = 0;
	const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
	const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
	u8 cos_bw_bitmap = 0;
	u8 cos_sp_bitmap = 0;
	u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
	const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
		DCBX_E3B0_MAX_NUM_COS_PORT0;
	u8 cos_entry = 0;

	if (!CHIP_IS_E3B0(bp)) {
1116 1117
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
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		return -EINVAL;
	}

	if ((ets_params->num_of_cos > max_num_of_cos)) {
		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
				   "isn't supported\n");
		return -EINVAL;
	}

	/* Prepare sp strict priority parameters*/
	bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);

	/* Prepare BW parameters*/
	bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
						   &total_bw);
1133
	if (bnx2x_status) {
1134 1135
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
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		return -EINVAL;
	}

1139
	/* Upper bound is set according to current link speed (min_w_val
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	 * should be the same for upper bound and COS credit val).
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	 */
	bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
	bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);


	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
		if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
			cos_bw_bitmap |= (1 << cos_entry);
1149
			/* The function also sets the BW in HW(not the mappin
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			 * yet)
			 */
			bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
				bp, cos_entry, min_w_val_nig, min_w_val_pbf,
				total_bw,
				ets_params->cos[cos_entry].params.bw_params.bw,
				 port);
		} else if (bnx2x_cos_state_strict ==
			ets_params->cos[cos_entry].state){
			cos_sp_bitmap |= (1 << cos_entry);

			bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
				params,
				sp_pri_to_cos,
				ets_params->cos[cos_entry].params.sp_params.pri,
				cos_entry);

		} else {
1168 1169
			DP(NETIF_MSG_LINK,
			   "bnx2x_ets_e3b0_config cos state not valid\n");
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			return -EINVAL;
		}
1172
		if (bnx2x_status) {
1173 1174
			DP(NETIF_MSG_LINK,
			   "bnx2x_ets_e3b0_config set cos bw failed\n");
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			return bnx2x_status;
		}
	}

	/* Set SP register (which COS has higher priority) */
	bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
							 sp_pri_to_cos);

1183
	if (bnx2x_status) {
1184 1185
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
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		return bnx2x_status;
	}

	/* Set client mapping of BW and strict */
	bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
					      cos_sp_bitmap,
					      cos_bw_bitmap);

1194
	if (bnx2x_status) {
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		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
		return bnx2x_status;
	}
	return 0;
}
1200
static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1201 1202 1203 1204
{
	/* ETS disabled configuration */
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1205
	/* Defines which entries (clients) are subjected to WFQ arbitration
1206 1207 1208
	 * COS0 0x8
	 * COS1 0x10
	 */
1209
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1210
	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1211 1212 1213 1214 1215
	 * client numbers (WEIGHT_0 does not actually have to represent
	 * client 0)
	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
	 */
1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);

	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
	REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
	       ETS_BW_LIMIT_CREDIT_UPPER_BOUND);

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

	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1228
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1229 1230 1231 1232 1233 1234
	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
	 * entry, 4 - COS1 entry.
	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
	 * bit4   bit3	  bit2     bit1	   bit0
	 * MCP and debug are strict
	 */
1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);

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

void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
			const u32 cos1_bw)
{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;
	const u32 total_bw = cos0_bw + cos1_bw;
	u32 cos0_credit_weight = 0;
	u32 cos1_credit_weight = 0;

	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");

1255 1256 1257
	if ((!total_bw) ||
	    (!cos0_bw) ||
	    (!cos1_bw)) {
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		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275
		return;
	}

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

	bnx2x_ets_bw_limit_common(params);

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

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

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int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1277 1278 1279 1280 1281 1282
{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;
	u32 val	= 0;

	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1283
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1284 1285 1286 1287 1288 1289 1290
	 * as strict.  Bits 0,1,2 - debug and management entries,
	 * 3 - COS0 entry, 4 - COS1 entry.
	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
	 *  bit4   bit3	  bit2      bit1     bit0
	 * MCP and debug are strict
	 */
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1291
	/* For strict priority entries defines the number of consecutive slots
1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302
	 * for the highest priority.
	 */
	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
	/* ETS mode disable */
	REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
	/* Defines the number of consecutive slots for the strict priority */
	REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);

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

1303
	/* Mapping between entry  priority to client number (0,1,2 -debug and
1304 1305 1306 1307 1308 1309
	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
	 * 3bits client num.
	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
	 */
1310
	val = (!strict_cos) ? 0x2318 : 0x22E0;
1311 1312 1313 1314
	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);

	return 0;
}
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1316
/******************************************************************/
1317
/*			PFC section				  */
1318
/******************************************************************/
1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338
static void bnx2x_update_pfc_xmac(struct link_params *params,
				  struct link_vars *vars,
				  u8 is_lb)
{
	struct bnx2x *bp = params->bp;
	u32 xmac_base;
	u32 pause_val, pfc0_val, pfc1_val;

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

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

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

1339
		/* RX flow control - Process pause frame in receive direction
1340 1341 1342 1343
		 */
		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;

1344
		/* TX flow control - Send pause packet when buffer is full */
1345 1346 1347 1348 1349 1350
		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
	} else {/* PFC support */
		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
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			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
		/* Write pause and PFC registers */
		REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;

1359 1360 1361 1362 1363 1364 1365 1366
	}

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


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	/* Set MAC address for source TX Pause/PFC frames */
	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
	       ((params->mac_addr[2] << 24) |
		(params->mac_addr[3] << 16) |
		(params->mac_addr[4] << 8) |
		(params->mac_addr[5])));
	REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
	       ((params->mac_addr[0] << 8) |
		(params->mac_addr[1])));
1376

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	udelay(30);
}
1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411


static void bnx2x_emac_get_pfc_stat(struct link_params *params,
				    u32 pfc_frames_sent[2],
				    u32 pfc_frames_received[2])
{
	/* Read pfc statistic */
	struct bnx2x *bp = params->bp;
	u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	u32 val_xon = 0;
	u32 val_xoff = 0;

	DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");

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

	pfc_frames_received[0] = val_xon + val_xoff;

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

	pfc_frames_sent[0] = val_xon + val_xoff;
}

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/* Read pfc statistic*/
1413 1414 1415 1416 1417 1418
void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
			 u32 pfc_frames_sent[2],
			 u32 pfc_frames_received[2])
{
	/* Read pfc statistic */
	struct bnx2x *bp = params->bp;
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1420 1421 1422 1423 1424
	DP(NETIF_MSG_LINK, "pfc statistic\n");

	if (!vars->link_up)
		return;

1425
	if (vars->mac_type == MAC_TYPE_EMAC) {
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		DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
1427 1428 1429 1430 1431 1432 1433
		bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
					pfc_frames_received);
	}
}
/******************************************************************/
/*			MAC/PBF section				  */
/******************************************************************/
1434 1435 1436
static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
{
	u32 mode, emac_base;
1437
	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1438 1439 1440 1441 1442 1443 1444 1445 1446 1447
	 * (a value of 49==0x31) and make sure that the AUTO poll is off
	 */

	if (CHIP_IS_E2(bp))
		emac_base = GRCBASE_EMAC0;
	else
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
	mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
	mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
		  EMAC_MDIO_MODE_CLOCK_CNT);
1448 1449 1450 1451
	if (USES_WARPCORE(bp))
		mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
	else
		mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1452 1453 1454 1455 1456 1457

	mode |= (EMAC_MDIO_MODE_CLAUSE_45);
	REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);

	udelay(40);
}
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static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
{
	u32 port4mode_ovwr_val;
	/* Check 4-port override enabled */
	port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
	if (port4mode_ovwr_val & (1<<0)) {
		/* Return 4-port mode override value */
		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
	}
	/* Return 4-port mode from input pin */
	return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
}
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static void bnx2x_emac_init(struct link_params *params,
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			    struct link_vars *vars)
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{
	/* 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,
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	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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	udelay(5);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
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	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
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	/* init emac - use read-modify-write */
	/* self clear reset */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1490
	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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	timeout = 200;
1493
	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--;
1501
	} while (val & EMAC_MODE_RESET);
1502
	bnx2x_set_mdio_clk(bp, params->chip_id, port);
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	/* Set mac address */
	val = ((params->mac_addr[0] << 8) |
		params->mac_addr[1]);
1506
	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]);
1512
	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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}

1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528
static void bnx2x_set_xumac_nig(struct link_params *params,
				u16 tx_pause_en,
				u8 enable)
{
	struct bnx2x *bp = params->bp;

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

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static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1530 1531
{
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
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	u32 val;
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	struct bnx2x *bp = params->bp;
	if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
		return;
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	val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
	if (en)
		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
			UMAC_COMMAND_CONFIG_REG_RX_ENA);
	else
		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1544
	/* Disable RX and TX */
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	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1546 1547
}

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static void bnx2x_umac_enable(struct link_params *params,
			    struct link_vars *vars, u8 lb)
{
	u32 val;
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
	struct bnx2x *bp = params->bp;
	/* Reset UMAC */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
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	usleep_range(1000, 2000);
1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588

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

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

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

	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
		UMAC_COMMAND_CONFIG_REG_PAD_EN |
		UMAC_COMMAND_CONFIG_REG_SW_RESET |
		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
	switch (vars->line_speed) {
	case SPEED_10:
		val |= (0<<2);
		break;
	case SPEED_100:
		val |= (1<<2);
		break;
	case SPEED_1000:
		val |= (2<<2);
		break;
	case SPEED_2500:
		val |= (3<<2);
		break;
	default:
		DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
			       vars->line_speed);
		break;
	}
1589 1590 1591 1592 1593 1594
	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;

	if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;

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

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	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
	udelay(50);

1601 1602 1603 1604 1605 1606 1607 1608 1609 1610
	/* Configure UMAC for EEE */
	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
		DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
		REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
	} else {
		REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
	}

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

1621 1622 1623
	/* Enable RX and TX */
	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1624
		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635
	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
	udelay(50);

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

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

1636
	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1637 1638 1639 1640 1641 1642 1643 1644 1645 1646
	 * length used by the MAC receive logic to check frames.
	 */
	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
	bnx2x_set_xumac_nig(params,
			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
	vars->mac_type = MAC_TYPE_UMAC;

}

/* Define the XMAC mode */
1647
static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1648
{
1649
	struct bnx2x *bp = params->bp;
1650 1651
	u32 is_port4mode = bnx2x_is_4_port_mode(bp);

1652
	/* In 4-port mode, need to set the mode only once, so if XMAC is
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	 * already out of reset, it means the mode has already been set,
	 * and it must not* reset the XMAC again, since it controls both
	 * ports of the path
	 */
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	if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
1659
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1660
	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1661 1662
		DP(NETIF_MSG_LINK,
		   "XMAC already out of reset in 4-port mode\n");
1663 1664 1665 1666 1667 1668
		return;
	}

	/* Hard reset */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       MISC_REGISTERS_RESET_REG_2_XMAC);
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	usleep_range(1000, 2000);
1670 1671 1672 1673 1674 1675

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

1676
		/* Set the number of ports on the system side to up to 2 */
1677 1678 1679 1680 1681
		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);

		/* Set the number of ports on the Warp Core to 10G */
		REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
	} else {
1682
		/* Set the number of ports on the system side to 1 */
1683 1684
		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
		if (max_speed == SPEED_10000) {
1685 1686
			DP(NETIF_MSG_LINK,
			   "Init XMAC to 10G x 1 port per path\n");
1687 1688 1689
			/* Set the number of ports on the Warp Core to 10G */
			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
		} else {
1690 1691
			DP(NETIF_MSG_LINK,
			   "Init XMAC to 20G x 2 ports per path\n");
1692 1693 1694 1695 1696 1697 1698
			/* Set the number of ports on the Warp Core to 20G */
			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
		}
	}
	/* Soft reset */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
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	usleep_range(1000, 2000);
1700 1701 1702 1703 1704 1705

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);

}

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static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1707 1708 1709
{
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
1710
	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
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	u32 val;
1712 1713 1714

	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1715
		/* Send an indication to change the state in the NIG back to XON
1716 1717 1718 1719 1720 1721 1722 1723
		 * Clearing this bit enables the next set of this bit to get
		 * rising edge
		 */
		pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
		       (pfc_ctrl & ~(1<<1)));
		REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
		       (pfc_ctrl | (1<<1)));
1724
		DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
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		val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
		if (en)
			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
		else
			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
		REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742
	}
}

static int bnx2x_xmac_enable(struct link_params *params,
			     struct link_vars *vars, u8 lb)
{
	u32 val, xmac_base;
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "enabling XMAC\n");

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

1743
	bnx2x_xmac_init(params, vars->line_speed);
1744

1745
	/* This register determines on which events the MAC will assert
1746 1747 1748
	 * error on the i/f to the NIG along w/ EOP.
	 */

1749
	/* This register tells the NIG whether to send traffic to UMAC
1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762
	 * or XMAC
	 */
	REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);

	/* Set Max packet size */
	REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);

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

	/* update PFC */
	bnx2x_update_pfc_xmac(params, vars, 0);

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

1771 1772 1773 1774 1775
	/* Enable TX and RX */
	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;

	/* Check loopback mode */
	if (lb)
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		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1777 1778 1779 1780 1781 1782 1783 1784
	REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
	bnx2x_set_xumac_nig(params,
			    ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);

	vars->mac_type = MAC_TYPE_XMAC;

	return 0;
}
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static int bnx2x_emac_enable(struct link_params *params,
1787
			     struct link_vars *vars, u8 lb)
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{
	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");

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

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

	/* ASIC */
	if (vars->phy_flags & PHY_XGXS_FLAG) {
		u32 ser_lane = ((params->lane_config &
Y
Yaniv Rosner 已提交
1806 1807
				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
Yaniv Rosner 已提交
1808 1809 1810

		DP(NETIF_MSG_LINK, "XGXS\n");
		/* select the master lanes (out of 0-3) */
Y
Yaniv Rosner 已提交
1811
		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Y
Yaniv Rosner 已提交
1812
		/* select XGXS */
Y
Yaniv Rosner 已提交
1813
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Y
Yaniv Rosner 已提交
1814 1815 1816 1817

	} else { /* SerDes */
		DP(NETIF_MSG_LINK, "SerDes\n");
		/* select SerDes */
Y
Yaniv Rosner 已提交
1818
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Y
Yaniv Rosner 已提交
1819 1820
	}

E
Eilon Greenstein 已提交
1821
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Y
Yaniv Rosner 已提交
1822
		      EMAC_RX_MODE_RESET);
E
Eilon Greenstein 已提交
1823
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Y
Yaniv Rosner 已提交
1824
		      EMAC_TX_MODE_RESET);
Y
Yaniv Rosner 已提交
1825 1826 1827 1828 1829 1830

		/* pause enable/disable */
		bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
			       EMAC_RX_MODE_FLOW_EN);

		bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847
			       (EMAC_TX_MODE_EXT_PAUSE_EN |
				EMAC_TX_MODE_FLOW_EN));
		if (!(params->feature_config_flags &
		      FEATURE_CONFIG_PFC_ENABLED)) {
			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
				bnx2x_bits_en(bp, emac_base +
					      EMAC_REG_EMAC_RX_MODE,
					      EMAC_RX_MODE_FLOW_EN);

			if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
				bnx2x_bits_en(bp, emac_base +
					      EMAC_REG_EMAC_TX_MODE,
					      (EMAC_TX_MODE_EXT_PAUSE_EN |
					       EMAC_TX_MODE_FLOW_EN));
		} else
			bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
				      EMAC_TX_MODE_FLOW_EN);
Y
Yaniv Rosner 已提交
1848 1849 1850 1851

	/* 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;
1852

1853
	/* Setting this bit causes MAC control frames (except for pause
1854 1855 1856 1857 1858 1859
	 * frames) to be passed on for processing. This setting has no
	 * affect on the operation of the pause frames. This bit effects
	 * all packets regardless of RX Parser packet sorting logic.
	 * Turn the PFC off to make sure we are in Xon state before
	 * enabling it.
	 */
1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875
	EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
		DP(NETIF_MSG_LINK, "PFC is enabled\n");
		/* Enable PFC again */
		EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
			EMAC_REG_RX_PFC_MODE_RX_EN |
			EMAC_REG_RX_PFC_MODE_TX_EN |
			EMAC_REG_RX_PFC_MODE_PRIORITIES);

		EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
			((0x0101 <<
			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
			 (0x00ff <<
			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
	}
1876
	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Y
Yaniv Rosner 已提交
1877 1878 1879 1880 1881 1882 1883

	/* Set Loopback */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
	if (lb)
		val |= 0x810;
	else
		val &= ~0x810;
1884
	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Y
Yaniv Rosner 已提交
1885

Y
Yuval Mintz 已提交
1886
	/* Enable emac */
E
Eilon Greenstein 已提交
1887 1888
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);

Y
Yuval Mintz 已提交
1889
	/* Enable emac for jumbo packets */
1890
	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Y
Yaniv Rosner 已提交
1891 1892 1893
		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));

Y
Yuval Mintz 已提交
1894
	/* Strip CRC */
Y
Yaniv Rosner 已提交
1895 1896
	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);

Y
Yuval Mintz 已提交
1897
	/* Disable the NIG in/out to the bmac */
Y
Yaniv Rosner 已提交
1898 1899 1900 1901
	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);

Y
Yuval Mintz 已提交
1902
	/* Enable the NIG in/out to the emac */
Y
Yaniv Rosner 已提交
1903 1904
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
	val = 0;
1905 1906 1907
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
Yaniv Rosner 已提交
1908 1909 1910 1911 1912
		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);

1913
	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Y
Yaniv Rosner 已提交
1914 1915 1916 1917 1918

	vars->mac_type = MAC_TYPE_EMAC;
	return 0;
}

1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936
static void bnx2x_update_pfc_bmac1(struct link_params *params,
				   struct link_vars *vars)
{
	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;
	if ((!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED)) &&
		(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 + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);

Y
Yuval Mintz 已提交
1937
	/* TX control */
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950
	val = 0xc0;
	if (!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
}

static void bnx2x_update_pfc_bmac2(struct link_params *params,
				   struct link_vars *vars,
				   u8 is_lb)
D
Dmitry Kravkov 已提交
1951
{
1952
	/* Set rx control: Strip CRC and enable BigMAC to relay
D
Dmitry Kravkov 已提交
1953 1954 1955 1956 1957 1958 1959
	 * 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;
Y
Yaniv Rosner 已提交
1960

1961 1962 1963
	if ((!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
D
Dmitry Kravkov 已提交
1964 1965 1966 1967
		/* Enable BigMAC to react on received Pause packets */
		val |= (1<<5);
	wb_data[0] = val;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
1968
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
1969
	udelay(30);
Y
Yaniv Rosner 已提交
1970

D
Dmitry Kravkov 已提交
1971 1972
	/* Tx control */
	val = 0xc0;
1973 1974 1975
	if (!(params->feature_config_flags &
				FEATURE_CONFIG_PFC_ENABLED) &&
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
D
Dmitry Kravkov 已提交
1976 1977 1978
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);

	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
		DP(NETIF_MSG_LINK, "PFC is enabled\n");
		/* Enable PFC RX & TX & STATS and set 8 COS  */
		wb_data[0] = 0x0;
		wb_data[0] |= (1<<0);  /* RX */
		wb_data[0] |= (1<<1);  /* TX */
		wb_data[0] |= (1<<2);  /* Force initial Xon */
		wb_data[0] |= (1<<3);  /* 8 cos */
		wb_data[0] |= (1<<5);  /* STATS */
		wb_data[1] = 0;
		REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
			    wb_data, 2);
		/* Clear the force Xon */
		wb_data[0] &= ~(1<<2);
	} else {
		DP(NETIF_MSG_LINK, "PFC is disabled\n");
Y
Yuval Mintz 已提交
1997
		/* Disable PFC RX & TX & STATS and set 8 COS */
1998 1999 2000 2001 2002
		wb_data[0] = 0x8;
		wb_data[1] = 0;
	}

	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
2003

2004
	/* Set Time (based unit is 512 bit time) between automatic
2005 2006 2007 2008
	 * re-sending of PP packets amd enable automatic re-send of
	 * Per-Priroity Packet as long as pp_gen is asserted and
	 * pp_disable is low.
	 */
D
Dmitry Kravkov 已提交
2009
	val = 0x8000;
2010 2011 2012
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= (1<<16); /* enable automatic re-send */

D
Dmitry Kravkov 已提交
2013 2014 2015
	wb_data[0] = val;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
Y
Yaniv Rosner 已提交
2016
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2017 2018 2019 2020 2021 2022 2023

	/* mac control */
	val = 0x3; /* Enable RX and TX */
	if (is_lb) {
		val |= 0x4; /* Local loopback */
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
2024 2025 2026
	/* When PFC enabled, Pass pause frames towards the NIG. */
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= ((1<<6)|(1<<5));
D
Dmitry Kravkov 已提交
2027 2028 2029

	wb_data[0] = val;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2030
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
2031 2032
}

2033 2034 2035 2036 2037
/******************************************************************************
* Description:
*  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
*  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
******************************************************************************/
Y
Yuval Mintz 已提交
2038 2039 2040
static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
					   u8 cos_entry,
					   u32 priority_mask, u8 port)
2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080
{
	u32 nig_reg_rx_priority_mask_add = 0;

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

	REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);

	return 0;
}
Y
Yaniv Rosner 已提交
2081 2082 2083 2084 2085 2086 2087 2088 2089
static void bnx2x_update_mng(struct link_params *params, u32 link_status)
{
	struct bnx2x *bp = params->bp;

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

2090 2091 2092 2093 2094
static void bnx2x_update_pfc_nig(struct link_params *params,
		struct link_vars *vars,
		struct bnx2x_nig_brb_pfc_port_params *nig_params)
{
	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2095
	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2096 2097
	u32 pkt_priority_to_cos = 0;
	struct bnx2x *bp = params->bp;
2098 2099
	u8 port = params->port;

2100 2101 2102 2103
	int set_pfc = params->feature_config_flags &
		FEATURE_CONFIG_PFC_ENABLED;
	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");

2104
	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2105 2106 2107
	 * MAC control frames (that are not pause packets)
	 * will be forwarded to the XCM.
	 */
2108 2109
	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
			  NIG_REG_LLH0_XCM_MASK);
2110
	/* NIG params will override non PFC params, since it's possible to
2111 2112 2113 2114 2115 2116
	 * do transition from PFC to SAFC
	 */
	if (set_pfc) {
		pause_enable = 0;
		llfc_out_en = 0;
		llfc_enable = 0;
2117 2118 2119
		if (CHIP_IS_E3(bp))
			ppp_enable = 0;
		else
2120 2121 2122
		ppp_enable = 1;
		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2123 2124
		xcm_out_en = 0;
		hwpfc_enable = 1;
2125 2126 2127 2128 2129
	} else  {
		if (nig_params) {
			llfc_out_en = nig_params->llfc_out_en;
			llfc_enable = nig_params->llfc_enable;
			pause_enable = nig_params->pause_enable;
2130
		} else  /* Default non PFC mode - PAUSE */
2131 2132 2133 2134
			pause_enable = 1;

		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2135
		xcm_out_en = 1;
2136 2137
	}

2138 2139 2140
	if (CHIP_IS_E3(bp))
		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153
	REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
	REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
	REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
	       NIG_REG_PAUSE_ENABLE_0, pause_enable);

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

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

2154 2155
	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2156

Y
Yuval Mintz 已提交
2157
	/* Output enable for RX_XCM # IF */
2158 2159
	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2160 2161

	/* HW PFC TX enable */
2162 2163
	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2164 2165

	if (nig_params) {
2166
		u8 i = 0;
2167 2168
		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;

2169 2170 2171
		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
			bnx2x_pfc_nig_rx_priority_mask(bp, i,
		nig_params->rx_cos_priority_mask[i], port);
2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185

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

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

2186
int bnx2x_update_pfc(struct link_params *params,
2187 2188 2189
		      struct link_vars *vars,
		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
2190
	/* The PFC and pause are orthogonal to one another, meaning when
2191 2192 2193 2194 2195
	 * PFC is enabled, the pause are disabled, and when PFC is
	 * disabled, pause are set according to the pause result.
	 */
	u32 val;
	struct bnx2x *bp = params->bp;
2196 2197
	int bnx2x_status = 0;
	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Y
Yaniv Rosner 已提交
2198 2199 2200 2201 2202 2203 2204 2205

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

	bnx2x_update_mng(params, vars->link_status);

Y
Yuval Mintz 已提交
2206
	/* Update NIG params */
2207 2208 2209
	bnx2x_update_pfc_nig(params, vars, pfc_params);

	if (!vars->link_up)
2210
		return bnx2x_status;
2211 2212

	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2213 2214 2215 2216 2217

	if (CHIP_IS_E3(bp)) {
		if (vars->mac_type == MAC_TYPE_XMAC)
			bnx2x_update_pfc_xmac(params, vars, 0);
	} else {
2218 2219
		val = REG_RD(bp, MISC_REG_RESET_REG_2);
		if ((val &
2220
		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238
		    == 0) {
			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
			bnx2x_emac_enable(params, vars, 0);
			return bnx2x_status;
		}
		if (CHIP_IS_E2(bp))
			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
		else
			bnx2x_update_pfc_bmac1(params, vars);

		val = 0;
		if ((params->feature_config_flags &
		     FEATURE_CONFIG_PFC_ENABLED) ||
		    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
			val = 1;
		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
	}
	return bnx2x_status;
2239
}
D
Dmitry Kravkov 已提交
2240

2241

Y
Yaniv Rosner 已提交
2242 2243 2244
static int bnx2x_bmac1_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
Y
Yaniv Rosner 已提交
2245 2246 2247 2248 2249 2250 2251 2252
{
	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;

D
Dmitry Kravkov 已提交
2253
	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Y
Yaniv Rosner 已提交
2254 2255 2256 2257

	/* XGXS control */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2258 2259
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
Y
Yaniv Rosner 已提交
2260

Y
Yuval Mintz 已提交
2261
	/* TX MAC SA */
Y
Yaniv Rosner 已提交
2262 2263 2264 2265 2266 2267
	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]);
Y
Yaniv Rosner 已提交
2268
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Y
Yaniv Rosner 已提交
2269

Y
Yuval Mintz 已提交
2270
	/* MAC control */
Y
Yaniv Rosner 已提交
2271 2272 2273 2274 2275 2276 2277
	val = 0x3;
	if (is_lb) {
		val |= 0x4;
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
	wb_data[0] = val;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2278
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Y
Yaniv Rosner 已提交
2279

Y
Yuval Mintz 已提交
2280
	/* Set rx mtu */
Y
Yaniv Rosner 已提交
2281 2282
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2283
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2284

2285
	bnx2x_update_pfc_bmac1(params, vars);
Y
Yaniv Rosner 已提交
2286

Y
Yuval Mintz 已提交
2287
	/* Set tx mtu */
Y
Yaniv Rosner 已提交
2288 2289
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2290
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2291

Y
Yuval Mintz 已提交
2292
	/* Set cnt max size */
Y
Yaniv Rosner 已提交
2293 2294
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2295
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2296

Y
Yuval Mintz 已提交
2297
	/* Configure SAFC */
Y
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2298 2299 2300 2301
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2302 2303 2304 2305

	return 0;
}

Y
Yaniv Rosner 已提交
2306 2307 2308
static int bnx2x_bmac2_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
D
Dmitry Kravkov 已提交
2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319
{
	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;
Y
Yaniv Rosner 已提交
2320
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
2321 2322 2323 2324 2325
	udelay(30);

	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2326 2327
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2328 2329 2330

	udelay(30);

Y
Yuval Mintz 已提交
2331
	/* TX MAC SA */
D
Dmitry Kravkov 已提交
2332 2333 2334 2335 2336 2337 2338
	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,
Y
Yaniv Rosner 已提交
2339
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2340 2341 2342 2343 2344 2345 2346

	udelay(30);

	/* Configure SAFC */
	wb_data[0] = 0x1000200;
	wb_data[1] = 0;
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
Y
Yaniv Rosner 已提交
2347
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2348 2349
	udelay(30);

Y
Yuval Mintz 已提交
2350
	/* Set RX MTU */
D
Dmitry Kravkov 已提交
2351 2352
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2353
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2354 2355
	udelay(30);

Y
Yuval Mintz 已提交
2356
	/* Set TX MTU */
D
Dmitry Kravkov 已提交
2357 2358
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2359
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2360
	udelay(30);
Y
Yuval Mintz 已提交
2361
	/* Set cnt max size */
D
Dmitry Kravkov 已提交
2362 2363
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2364
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2365
	udelay(30);
2366
	bnx2x_update_pfc_bmac2(params, vars, is_lb);
D
Dmitry Kravkov 已提交
2367 2368 2369 2370

	return 0;
}

Y
Yaniv Rosner 已提交
2371 2372
static int bnx2x_bmac_enable(struct link_params *params,
			     struct link_vars *vars,
Y
Yaniv Rosner 已提交
2373
			     u8 is_lb, u8 reset_bmac)
D
Dmitry Kravkov 已提交
2374
{
Y
Yaniv Rosner 已提交
2375 2376
	int rc = 0;
	u8 port = params->port;
D
Dmitry Kravkov 已提交
2377 2378
	struct bnx2x *bp = params->bp;
	u32 val;
Y
Yuval Mintz 已提交
2379
	/* Reset and unreset the BigMac */
Y
Yaniv Rosner 已提交
2380 2381 2382 2383 2384
	if (reset_bmac) {
		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
		usleep_range(1000, 2000);
	}
D
Dmitry Kravkov 已提交
2385 2386

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Y
Yaniv Rosner 已提交
2387
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
D
Dmitry Kravkov 已提交
2388

Y
Yuval Mintz 已提交
2389
	/* Enable access for bmac registers */
D
Dmitry Kravkov 已提交
2390 2391 2392 2393 2394 2395 2396
	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);
Y
Yaniv Rosner 已提交
2397 2398 2399 2400
	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;
2401 2402 2403
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
Yaniv Rosner 已提交
2404 2405 2406 2407 2408 2409 2410 2411 2412
		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;
D
Dmitry Kravkov 已提交
2413
	return rc;
Y
Yaniv Rosner 已提交
2414 2415
}

Y
Yaniv Rosner 已提交
2416
static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
Y
Yaniv Rosner 已提交
2417 2418
{
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Y
Yaniv Rosner 已提交
2419
			NIG_REG_INGRESS_BMAC0_MEM;
Y
Yaniv Rosner 已提交
2420
	u32 wb_data[2];
2421
	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Y
Yaniv Rosner 已提交
2422

Y
Yaniv Rosner 已提交
2423 2424 2425 2426
	if (CHIP_IS_E2(bp))
		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
	else
		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
Y
Yaniv Rosner 已提交
2427 2428 2429 2430
	/* 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) {
Y
Yaniv Rosner 已提交
2431 2432 2433 2434 2435
		/* Clear Rx Enable bit in BMAC_CONTROL register */
		REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
		if (en)
			wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
		else
D
Dmitry Kravkov 已提交
2436
			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Y
Yaniv Rosner 已提交
2437
		REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
Y
Yuval Mintz 已提交
2438
		usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
2439 2440 2441
	}
}

Y
Yaniv Rosner 已提交
2442 2443
static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
			    u32 line_speed)
Y
Yaniv Rosner 已提交
2444 2445 2446 2447 2448 2449
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 init_crd, crd;
	u32 count = 1000;

Y
Yuval Mintz 已提交
2450
	/* Disable port */
Y
Yaniv Rosner 已提交
2451 2452
	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);

Y
Yuval Mintz 已提交
2453
	/* Wait for init credit */
Y
Yaniv Rosner 已提交
2454 2455 2456 2457 2458
	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) {
Y
Yuval Mintz 已提交
2459
		usleep_range(5000, 10000);
Y
Yaniv Rosner 已提交
2460 2461 2462 2463 2464 2465 2466 2467 2468 2469
		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;
	}

2470
	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Y
Yaniv Rosner 已提交
2471 2472 2473 2474 2475
	    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);
Y
Yuval Mintz 已提交
2476
		/* Update threshold */
Y
Yaniv Rosner 已提交
2477
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
Y
Yuval Mintz 已提交
2478
		/* Update init credit */
Y
Yaniv Rosner 已提交
2479
		init_crd = 778;		/* (800-18-4) */
Y
Yaniv Rosner 已提交
2480 2481 2482 2483

	} else {
		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
			      ETH_OVREHEAD)/16;
Y
Yaniv Rosner 已提交
2484
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Y
Yuval Mintz 已提交
2485
		/* Update threshold */
Y
Yaniv Rosner 已提交
2486
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
Y
Yuval Mintz 已提交
2487
		/* Update init credit */
Y
Yaniv Rosner 已提交
2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501
		switch (line_speed) {
		case SPEED_10000:
			init_crd = thresh + 553 - 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);

Y
Yuval Mintz 已提交
2502
	/* Probe the credit changes */
Y
Yaniv Rosner 已提交
2503
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
Y
Yuval Mintz 已提交
2504
	usleep_range(5000, 10000);
Y
Yaniv Rosner 已提交
2505 2506
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);

Y
Yuval Mintz 已提交
2507
	/* Enable port */
Y
Yaniv Rosner 已提交
2508 2509 2510 2511
	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
	return 0;
}

2512 2513
/**
 * bnx2x_get_emac_base - retrive emac base address
2514
 *
2515 2516 2517
 * @bp:			driver handle
 * @mdc_mdio_access:	access type
 * @port:		port id
2518 2519 2520 2521 2522 2523 2524 2525 2526
 *
 * This function selects the MDC/MDIO access (through emac0 or
 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
 * phy has a default access mode, which could also be overridden
 * by nvram configuration. This parameter, whether this is the
 * default phy configuration, or the nvram overrun
 * configuration, is passed here as mdc_mdio_access and selects
 * the emac_base for the CL45 read/writes operations
 */
2527 2528
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
Y
Yaniv Rosner 已提交
2529
{
2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540
	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:
E
Eilon Greenstein 已提交
2541 2542 2543 2544
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2545
		break;
2546 2547 2548 2549
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		break;
	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
E
Eilon Greenstein 已提交
2550
		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2551 2552 2553 2554 2555 2556 2557 2558
		break;
	default:
		break;
	}
	return emac_base;

}

Y
Yaniv Rosner 已提交
2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573
/******************************************************************/
/*			CL22 access functions			  */
/******************************************************************/
static int bnx2x_cl22_write(struct bnx2x *bp,
				       struct bnx2x_phy *phy,
				       u16 reg, u16 val)
{
	u32 tmp, mode;
	u8 i;
	int rc = 0;
	/* Switch to CL22 */
	mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);

Y
Yuval Mintz 已提交
2574
	/* Address */
Y
Yaniv Rosner 已提交
2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609
	tmp = ((phy->addr << 21) | (reg << 16) | val |
	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
	       EMAC_MDIO_COMM_START_BUSY);
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);

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

		tmp = REG_RD(bp, phy->mdio_ctrl + 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;
	}
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
	return rc;
}

static int bnx2x_cl22_read(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u16 reg, u16 *ret_val)
{
	u32 val, mode;
	u16 i;
	int rc = 0;

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

Y
Yuval Mintz 已提交
2610
	/* Address */
Y
Yaniv Rosner 已提交
2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635
	val = ((phy->addr << 21) | (reg << 16) |
	       EMAC_MDIO_COMM_COMMAND_READ_22 |
	       EMAC_MDIO_COMM_START_BUSY);
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);

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

		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
			udelay(5);
			break;
		}
	}
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");

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

2636 2637 2638
/******************************************************************/
/*			CL45 access functions			  */
/******************************************************************/
2639 2640
static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
			   u8 devad, u16 reg, u16 *ret_val)
Y
Yaniv Rosner 已提交
2641
{
2642 2643
	u32 val;
	u16 i;
Y
Yaniv Rosner 已提交
2644
	int rc = 0;
2645 2646 2647
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			      EMAC_MDIO_STATUS_10MB);
Y
Yuval Mintz 已提交
2648
	/* Address */
2649
	val = ((phy->addr << 21) | (devad << 16) | reg |
Y
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2650 2651
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
2652
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
Yaniv Rosner 已提交
2653 2654 2655 2656

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

2657 2658
		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
Y
Yaniv Rosner 已提交
2659 2660 2661 2662
			udelay(5);
			break;
		}
	}
2663 2664
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");
2665
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2666
		*ret_val = 0;
Y
Yaniv Rosner 已提交
2667 2668
		rc = -EFAULT;
	} else {
Y
Yuval Mintz 已提交
2669
		/* Data */
2670 2671
		val = ((phy->addr << 21) | (devad << 16) |
		       EMAC_MDIO_COMM_COMMAND_READ_45 |
Y
Yaniv Rosner 已提交
2672
		       EMAC_MDIO_COMM_START_BUSY);
2673
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
Yaniv Rosner 已提交
2674 2675 2676 2677

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

2678
			val = REG_RD(bp, phy->mdio_ctrl +
Y
Yaniv Rosner 已提交
2679
				     EMAC_REG_EMAC_MDIO_COMM);
2680 2681
			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
Y
Yaniv Rosner 已提交
2682 2683 2684
				break;
			}
		}
2685 2686
		if (val & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "read phy register failed\n");
2687
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2688
			*ret_val = 0;
Y
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2689 2690 2691
			rc = -EFAULT;
		}
	}
2692 2693 2694 2695 2696 2697 2698 2699
	/* Work around for E3 A0 */
	if (phy->flags & FLAGS_MDC_MDIO_WA) {
		phy->flags ^= FLAGS_DUMMY_READ;
		if (phy->flags & FLAGS_DUMMY_READ) {
			u16 temp_val;
			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
		}
	}
Y
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2701 2702 2703
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
Y
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2704 2705 2706
	return rc;
}

2707 2708
static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
			    u8 devad, u16 reg, u16 val)
Y
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2709
{
2710 2711
	u32 tmp;
	u8 i;
Y
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2712
	int rc = 0;
2713 2714 2715
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			      EMAC_MDIO_STATUS_10MB);
Y
Yaniv Rosner 已提交
2716

Y
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2717
	/* Address */
2718
	tmp = ((phy->addr << 21) | (devad << 16) | reg |
Y
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2719 2720
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
2721
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
Yaniv Rosner 已提交
2722 2723 2724 2725

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

2726 2727
		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
Y
Yaniv Rosner 已提交
2728 2729 2730 2731
			udelay(5);
			break;
		}
	}
2732 2733
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "write phy register failed\n");
2734
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
Yaniv Rosner 已提交
2735 2736
		rc = -EFAULT;
	} else {
Y
Yuval Mintz 已提交
2737
		/* Data */
2738 2739
		tmp = ((phy->addr << 21) | (devad << 16) | val |
		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
Y
Yaniv Rosner 已提交
2740
		       EMAC_MDIO_COMM_START_BUSY);
2741
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
Yaniv Rosner 已提交
2742 2743 2744 2745

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

2746
			tmp = REG_RD(bp, phy->mdio_ctrl +
Y
Yaniv Rosner 已提交
2747
				     EMAC_REG_EMAC_MDIO_COMM);
2748 2749
			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
				udelay(5);
Y
Yaniv Rosner 已提交
2750 2751 2752
				break;
			}
		}
2753 2754
		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "write phy register failed\n");
2755
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
Y
Yaniv Rosner 已提交
2756 2757 2758
			rc = -EFAULT;
		}
	}
2759 2760 2761 2762 2763 2764 2765 2766
	/* Work around for E3 A0 */
	if (phy->flags & FLAGS_MDC_MDIO_WA) {
		phy->flags ^= FLAGS_DUMMY_READ;
		if (phy->flags & FLAGS_DUMMY_READ) {
			u16 temp_val;
			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
		}
	}
2767 2768 2769
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
2770 2771
	return rc;
}
Y
Yuval Mintz 已提交
2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 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 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010

/******************************************************************/
/*			EEE section				   */
/******************************************************************/
static u8 bnx2x_eee_has_cap(struct link_params *params)
{
	struct bnx2x *bp = params->bp;

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

	return 1;
}

static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
{
	switch (nvram_mode) {
	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
		*idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
		break;
	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
		*idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
		break;
	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
		*idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
		break;
	default:
		*idle_timer = 0;
		break;
	}

	return 0;
}

static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
{
	switch (idle_timer) {
	case EEE_MODE_NVRAM_BALANCED_TIME:
		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
		break;
	case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
		break;
	case EEE_MODE_NVRAM_LATENCY_TIME:
		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
		break;
	default:
		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
		break;
	}

	return 0;
}

static u32 bnx2x_eee_calc_timer(struct link_params *params)
{
	u32 eee_mode, eee_idle;
	struct bnx2x *bp = params->bp;

	if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
		if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
			/* time value in eee_mode --> used directly*/
			eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
		} else {
			/* hsi value in eee_mode --> time */
			if (bnx2x_eee_nvram_to_time(params->eee_mode &
						    EEE_MODE_NVRAM_MASK,
						    &eee_idle))
				return 0;
		}
	} else {
		/* hsi values in nvram --> time*/
		eee_mode = ((REG_RD(bp, params->shmem_base +
				    offsetof(struct shmem_region, dev_info.
				    port_feature_config[params->port].
				    eee_power_mode)) &
			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);

		if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
			return 0;
	}

	return eee_idle;
}

static int bnx2x_eee_set_timers(struct link_params *params,
				   struct link_vars *vars)
{
	u32 eee_idle = 0, eee_mode;
	struct bnx2x *bp = params->bp;

	eee_idle = bnx2x_eee_calc_timer(params);

	if (eee_idle) {
		REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
		       eee_idle);
	} else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
		   (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
		   (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
		DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
		return -EINVAL;
	}

	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
	if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
		/* eee_idle in 1u --> eee_status in 16u */
		eee_idle >>= 4;
		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
				    SHMEM_EEE_TIME_OUTPUT_BIT;
	} else {
		if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
			return -EINVAL;
		vars->eee_status |= eee_mode;
	}

	return 0;
}

static int bnx2x_eee_initial_config(struct link_params *params,
				     struct link_vars *vars, u8 mode)
{
	vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;

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

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

	return bnx2x_eee_set_timers(params, vars);
}

static int bnx2x_eee_disable(struct bnx2x_phy *phy,
				struct link_params *params,
				struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;

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

	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);

	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;

	return 0;
}

static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars, u8 modes)
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

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

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

	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);

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

	return 0;
}

static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
{
	struct bnx2x *bp = params->bp;

	if (bnx2x_eee_has_cap(params))
		REG_WR(bp, params->shmem2_base +
		       offsetof(struct shmem2_region,
				eee_status[params->port]), eee_status);
}

static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u16 adv = 0, lp = 0;
	u32 lp_adv = 0;
	u8 neg = 0;

	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);

	if (lp & 0x2) {
		lp_adv |= SHMEM_EEE_100M_ADV;
		if (adv & 0x2) {
			if (vars->line_speed == SPEED_100)
				neg = 1;
			DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
		}
	}
	if (lp & 0x14) {
		lp_adv |= SHMEM_EEE_1G_ADV;
		if (adv & 0x14) {
			if (vars->line_speed == SPEED_1000)
				neg = 1;
			DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
		}
	}
	if (lp & 0x68) {
		lp_adv |= SHMEM_EEE_10G_ADV;
		if (adv & 0x68) {
			if (vars->line_speed == SPEED_10000)
				neg = 1;
			DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
		}
	}

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

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

}

3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065
/******************************************************************/
/*			BSC access functions from E3	          */
/******************************************************************/
static void bnx2x_bsc_module_sel(struct link_params *params)
{
	int idx;
	u32 board_cfg, sfp_ctrl;
	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	/* Read I2C output PINs */
	board_cfg = REG_RD(bp, params->shmem_base +
			   offsetof(struct shmem_region,
				    dev_info.shared_hw_config.board));
	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;

	/* Read I2C output value */
	sfp_ctrl = REG_RD(bp, params->shmem_base +
			  offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
	DP(NETIF_MSG_LINK, "Setting BSC switch\n");
	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
		bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
}

static int bnx2x_bsc_read(struct link_params *params,
			  struct bnx2x_phy *phy,
			  u8 sl_devid,
			  u16 sl_addr,
			  u8 lc_addr,
			  u8 xfer_cnt,
			  u32 *data_array)
{
	u32 val, i;
	int rc = 0;
	struct bnx2x *bp = params->bp;

	if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
		DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
		return -EINVAL;
	}

	if (xfer_cnt > 16) {
		DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
					xfer_cnt);
		return -EINVAL;
	}
	bnx2x_bsc_module_sel(params);

	xfer_cnt = 16 - lc_addr;

Y
Yuval Mintz 已提交
3066
	/* Enable the engine */
3067 3068 3069 3070
	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
	val |= MCPR_IMC_COMMAND_ENABLE;
	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);

Y
Yuval Mintz 已提交
3071
	/* Program slave device ID */
3072 3073 3074
	val = (sl_devid << 16) | sl_addr;
	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);

Y
Yuval Mintz 已提交
3075
	/* Start xfer with 0 byte to update the address pointer ???*/
3076 3077 3078 3079 3080 3081
	val = (MCPR_IMC_COMMAND_ENABLE) |
	      (MCPR_IMC_COMMAND_WRITE_OP <<
		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);

Y
Yuval Mintz 已提交
3082
	/* Poll for completion */
3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097
	i = 0;
	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
		udelay(10);
		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
		if (i++ > 1000) {
			DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
								i);
			rc = -EFAULT;
			break;
		}
	}
	if (rc == -EFAULT)
		return rc;

Y
Yuval Mintz 已提交
3098
	/* Start xfer with read op */
3099 3100 3101 3102 3103 3104 3105
	val = (MCPR_IMC_COMMAND_ENABLE) |
		(MCPR_IMC_COMMAND_READ_OP <<
		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
		  (xfer_cnt);
	REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);

Y
Yuval Mintz 已提交
3106
	/* Poll for completion */
3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129
	i = 0;
	val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
		udelay(10);
		val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
		if (i++ > 1000) {
			DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
			rc = -EFAULT;
			break;
		}
	}
	if (rc == -EFAULT)
		return rc;

	for (i = (lc_addr >> 2); i < 4; i++) {
		data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
#ifdef __BIG_ENDIAN
		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
				((data_array[i] & 0x0000ff00) << 8) |
				((data_array[i] & 0x00ff0000) >> 8) |
				((data_array[i] & 0xff000000) >> 24);
#endif
	}
Y
Yaniv Rosner 已提交
3130 3131 3132
	return rc;
}

3133 3134 3135 3136 3137 3138 3139 3140
static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
				     u8 devad, u16 reg, u16 or_val)
{
	u16 val;
	bnx2x_cl45_read(bp, phy, devad, reg, &val);
	bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
}

Y
Yaniv Rosner 已提交
3141 3142
int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 *ret_val)
Y
Yaniv Rosner 已提交
3143 3144
{
	u8 phy_index;
3145
	/* Probe for the phy according to the given phy_addr, and execute
Y
Yaniv Rosner 已提交
3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157
	 * 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;
}

Y
Yaniv Rosner 已提交
3158 3159
int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		    u8 devad, u16 reg, u16 val)
Y
Yaniv Rosner 已提交
3160 3161
{
	u8 phy_index;
3162
	/* Probe for the phy according to the given phy_addr, and execute
Y
Yaniv Rosner 已提交
3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173
	 * 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;
}
3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187
static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
				  struct link_params *params)
{
	u8 lane = 0;
	struct bnx2x *bp = params->bp;
	u32 path_swap, path_swap_ovr;
	u8 path, port;

	path = BP_PATH(bp);
	port = params->port;

	if (bnx2x_is_4_port_mode(bp)) {
		u32 port_swap, port_swap_ovr;

3188
		/* Figure out path swap value */
3189 3190 3191 3192 3193 3194 3195 3196 3197
		path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
		if (path_swap_ovr & 0x1)
			path_swap = (path_swap_ovr & 0x2);
		else
			path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);

		if (path_swap)
			path = path ^ 1;

3198
		/* Figure out port swap value */
3199 3200 3201 3202 3203 3204 3205 3206 3207 3208
		port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
		if (port_swap_ovr & 0x1)
			port_swap = (port_swap_ovr & 0x2);
		else
			port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);

		if (port_swap)
			port = port ^ 1;

		lane = (port<<1) + path;
Y
Yuval Mintz 已提交
3209
	} else { /* Two port mode - no port swap */
3210

3211
		/* Figure out path swap value */
3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226
		path_swap_ovr =
			REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
		if (path_swap_ovr & 0x1) {
			path_swap = (path_swap_ovr & 0x2);
		} else {
			path_swap =
				REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
		}
		if (path_swap)
			path = path ^ 1;

		lane = path << 1 ;
	}
	return lane;
}
Y
Yaniv Rosner 已提交
3227

Y
Yaniv Rosner 已提交
3228 3229
static void bnx2x_set_aer_mmd(struct link_params *params,
			      struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
3230 3231
{
	u32 ser_lane;
D
Dmitry Kravkov 已提交
3232 3233
	u16 offset, aer_val;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3234 3235 3236 3237
	ser_lane = ((params->lane_config &
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);

Y
Yaniv Rosner 已提交
3238 3239 3240
	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
		(phy->addr + ser_lane) : 0;

3241 3242
	if (USES_WARPCORE(bp)) {
		aer_val = bnx2x_get_warpcore_lane(phy, params);
3243
		/* In Dual-lane mode, two lanes are joined together,
3244 3245 3246 3247 3248 3249 3250 3251
		 * so in order to configure them, the AER broadcast method is
		 * used here.
		 * 0x200 is the broadcast address for lanes 0,1
		 * 0x201 is the broadcast address for lanes 2,3
		 */
		if (phy->flags & FLAGS_WC_DUAL_MODE)
			aer_val = (aer_val >> 1) | 0x200;
	} else if (CHIP_IS_E2(bp))
3252
		aer_val = 0x3800 + offset - 1;
D
Dmitry Kravkov 已提交
3253 3254
	else
		aer_val = 0x3800 + offset;
Y
Yaniv Rosner 已提交
3255

Y
Yaniv Rosner 已提交
3256
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Y
Yaniv Rosner 已提交
3257
			  MDIO_AER_BLOCK_AER_REG, aer_val);
Y
Yaniv Rosner 已提交
3258

Y
Yaniv Rosner 已提交
3259 3260
}

Y
Yaniv Rosner 已提交
3261 3262 3263
/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
3264

Y
Yaniv Rosner 已提交
3265 3266 3267
static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
{
	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Y
Yaniv Rosner 已提交
3268

Y
Yaniv Rosner 已提交
3269 3270 3271 3272 3273 3274 3275 3276
	/* 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);
Y
Yaniv Rosner 已提交
3277 3278
}

Y
Yaniv Rosner 已提交
3279
static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
Y
Yaniv Rosner 已提交
3280
{
Y
Yaniv Rosner 已提交
3281
	u32 val;
Y
Yaniv Rosner 已提交
3282

Y
Yaniv Rosner 已提交
3283
	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
Y
Yaniv Rosner 已提交
3284

Y
Yaniv Rosner 已提交
3285
	val = SERDES_RESET_BITS << (port*16);
E
Eilon Greenstein 已提交
3286

Y
Yuval Mintz 已提交
3287
	/* Reset and unreset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
3288 3289 3290
	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);
Y
Yaniv Rosner 已提交
3291

Y
Yaniv Rosner 已提交
3292
	bnx2x_set_serdes_access(bp, port);
Y
Yaniv Rosner 已提交
3293

Y
Yaniv Rosner 已提交
3294 3295
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
	       DEFAULT_PHY_DEV_ADDR);
Y
Yaniv Rosner 已提交
3296 3297
}

3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312
static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
				     struct link_params *params,
				     u32 action)
{
	struct bnx2x *bp = params->bp;
	switch (action) {
	case PHY_INIT:
		/* Set correct devad */
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
		       phy->def_md_devad);
		break;
	}
}

Y
Yaniv Rosner 已提交
3313 3314 3315 3316 3317 3318 3319 3320 3321 3322
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);

Y
Yuval Mintz 已提交
3323
	/* Reset and unreset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
3324 3325 3326
	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);
3327 3328
	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
				 PHY_INIT);
Y
Yaniv Rosner 已提交
3329 3330
}

3331 3332 3333 3334 3335
static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
				     struct link_params *params, u16 *ieee_fc)
{
	struct bnx2x *bp = params->bp;
	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3336
	/* Resolve pause mode and advertisement Please refer to Table
3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390
	 * 28B-3 of the 802.3ab-1999 spec
	 */

	switch (phy->req_flow_ctrl) {
	case BNX2X_FLOW_CTRL_AUTO:
		if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
		else
			*ieee_fc |=
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		break;

	case BNX2X_FLOW_CTRL_TX:
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
		break;

	case BNX2X_FLOW_CTRL_RX:
	case BNX2X_FLOW_CTRL_BOTH:
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
		break;

	case BNX2X_FLOW_CTRL_NONE:
	default:
		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
		break;
	}
	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
}

static void set_phy_vars(struct link_params *params,
			 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 actual_phy_idx, phy_index, link_cfg_idx;
	u8 phy_config_swapped = params->multi_phy_config &
			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
	for (phy_index = INT_PHY; phy_index < params->num_phys;
	      phy_index++) {
		link_cfg_idx = LINK_CONFIG_IDX(phy_index);
		actual_phy_idx = phy_index;
		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;
		}
		params->phy[actual_phy_idx].req_flow_ctrl =
			params->req_flow_ctrl[link_cfg_idx];

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

		params->phy[actual_phy_idx].speed_cap_mask =
			params->speed_cap_mask[link_cfg_idx];
Y
Yaniv Rosner 已提交
3391

3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412
		params->phy[actual_phy_idx].req_duplex =
			params->req_duplex[link_cfg_idx];

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

		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);
	}
}

static void bnx2x_ext_phy_set_pause(struct link_params *params,
				    struct bnx2x_phy *phy,
				    struct link_vars *vars)
{
	u16 val;
	struct bnx2x *bp = params->bp;
Y
Yuval Mintz 已提交
3413
	/* Read modify write pause advertizing */
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 3454 3455 3456 3457 3458
	bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);

	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;

	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	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 void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
{						/*  LD	    LP	 */
	switch (pause_result) {			/* ASYM P ASYM P */
	case 0xb:				/*   1  0   1  1 */
		vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
		break;

	case 0xe:				/*   1  1   1  0 */
		vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
		break;

	case 0x5:				/*   0  1   0  1 */
	case 0x7:				/*   0  1   1  1 */
	case 0xd:				/*   1  1   0  1 */
	case 0xf:				/*   1  1   1  1 */
		vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
		break;

	default:
		break;
	}
	if (pause_result & (1<<0))
		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
	if (pause_result & (1<<1))
		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3459

3460 3461
}

3462 3463 3464
static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
					struct link_params *params,
					struct link_vars *vars)
3465 3466 3467 3468
{
	u16 ld_pause;		/* local */
	u16 lp_pause;		/* link partner */
	u16 pause_result;
3469 3470 3471 3472
	struct bnx2x *bp = params->bp;
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
		bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
		bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
Y
Yaniv Rosner 已提交
3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499
	} else if (CHIP_IS_E3(bp) &&
		SINGLE_MEDIA_DIRECT(params)) {
		u8 lane = bnx2x_get_warpcore_lane(phy, params);
		u16 gp_status, gp_mask;
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
				&gp_status);
		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
			lane;
		if ((gp_status & gp_mask) == gp_mask) {
			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);
		} else {
			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);
			ld_pause = ((ld_pause &
				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
				    << 3);
			lp_pause = ((lp_pause &
				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
				    << 3);
		}
3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513
	} else {
		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);
3514

3515
}
3516

3517 3518 3519 3520 3521
static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	u8 ret = 0;
3522
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3523 3524 3525 3526 3527
	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
		/* Update the advertised flow-controled of LD/LP in AN */
		if (phy->req_line_speed == SPEED_AUTO_NEG)
			bnx2x_ext_phy_update_adv_fc(phy, params, vars);
		/* But set the flow-control result as the requested one */
3528
		vars->flow_ctrl = phy->req_flow_ctrl;
3529
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3530 3531 3532
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
3533
		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3534 3535 3536
	}
	return ret;
}
3537 3538 3539 3540 3541 3542 3543 3544
/******************************************************************/
/*			Warpcore section			  */
/******************************************************************/
/* The init_internal_warpcore should mirror the xgxs,
 * i.e. reset the lane (if needed), set aer for the
 * init configuration, and set/clear SGMII flag. Internal
 * phy init is done purely in phy_init stage.
 */
Y
Yuval Mintz 已提交
3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557

static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
					       struct link_params *params)
{
	struct bnx2x *bp = params->bp;

	DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
}

3558 3559 3560
static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
					struct link_params *params,
					struct link_vars *vars) {
3561 3562
	u16 lane, i, cl72_ctrl, an_adv = 0;
	u16 ucode_ver;
3563 3564 3565 3566 3567 3568 3569 3570 3571
	struct bnx2x *bp = params->bp;
	static struct bnx2x_reg_set reg_set[] = {
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
		/* Disable Autoneg: re-enable it after adv is done. */
		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
	};
3572
	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3573
	/* Set to default registers that may be overriden by 10G force */
3574 3575 3576
	for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
				 reg_set[i].val);
Y
Yaniv Rosner 已提交
3577

3578 3579 3580 3581 3582 3583 3584
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
		MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
	cl72_ctrl &= 0xf8ff;
	cl72_ctrl |= 0x3800;
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
		MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);

3585 3586 3587 3588
	/* Check adding advertisement for 1G KX */
	if (((vars->line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (vars->line_speed == SPEED_1000)) {
3589
		u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3590
		an_adv |= (1<<5);
3591 3592

		/* Enable CL37 1G Parallel Detect */
3593
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3594 3595 3596 3597 3598 3599
		DP(NETIF_MSG_LINK, "Advertize 1G\n");
	}
	if (((vars->line_speed == SPEED_AUTO_NEG) &&
	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
	    (vars->line_speed ==  SPEED_10000)) {
		/* Check adding advertisement for 10G KR */
3600
		an_adv |= (1<<7);
3601
		/* Enable 10G Parallel Detect */
3602 3603 3604
		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
				  MDIO_AER_BLOCK_AER_REG, 0);

3605
		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3606
				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3607
		bnx2x_set_aer_mmd(params, phy);
3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626
		DP(NETIF_MSG_LINK, "Advertize 10G\n");
	}

	/* Set Transmit PMD settings */
	lane = bnx2x_get_warpcore_lane(phy, params);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
		      (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
		      (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
			 0x03f0);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
			 0x03f0);

	/* Advertised speeds */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3627
			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3628

Y
Yaniv Rosner 已提交
3629 3630 3631 3632 3633 3634
	/* Advertised and set FEC (Forward Error Correction) */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));

Y
Yaniv Rosner 已提交
3635 3636 3637 3638 3639
	/* Enable CL37 BAM */
	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) {
3640 3641 3642
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
					 1);
Y
Yaniv Rosner 已提交
3643 3644 3645
		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
	}

3646 3647
	/* Advertise pause */
	bnx2x_ext_phy_set_pause(params, phy, vars);
3648
	/* Set KR Autoneg Work-Around flag for Warpcore version older than D108
3649 3650
	 */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3651 3652 3653 3654
			MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
	if (ucode_ver < 0xd108) {
		DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
			       ucode_ver);
3655 3656
		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
	}
3657 3658
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
Y
Yaniv Rosner 已提交
3659 3660 3661 3662 3663 3664 3665

	/* Over 1G - AN local device user page 1 */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);

	/* Enable Autoneg */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3666
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
Y
Yaniv Rosner 已提交
3667

3668 3669 3670 3671 3672 3673 3674
}

static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
3675
	u16 val16, i, lane;
3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686
	static struct bnx2x_reg_set reg_set[] = {
		/* Disable Autoneg */
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
			0x3f00},
		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
		/* Leave cl72 training enable, needed for KR */
		{MDIO_PMA_DEVAD,
3687
		MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3688 3689 3690 3691 3692 3693
		0x2}
	};

	for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
				 reg_set[i].val);
3694

3695 3696 3697 3698 3699 3700 3701 3702 3703 3704
	lane = bnx2x_get_warpcore_lane(phy, params);
	/* Global registers */
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0);
	/* Disable CL36 PCS Tx */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
	val16 &= ~(0x0011 << lane);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3705

3706 3707 3708 3709 3710 3711 3712
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
	val16 |= (0x0303 << (lane << 1));
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
	/* Restore AER */
	bnx2x_set_aer_mmd(params, phy);
3713 3714 3715 3716 3717 3718 3719
	/* Set speed via PMA/PMD register */
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);

	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);

3720
	/* Enable encoded forced speed */
3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);

	/* Turn TX scramble payload only the 64/66 scrambler */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX66_CONTROL, 0x9);

	/* Turn RX scramble payload only the 64/66 scrambler */
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_RX66_CONTROL, 0xF9);

Y
Yuval Mintz 已提交
3732
	/* Set and clear loopback to cause a reset to 64/66 decoder */
3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);

}

static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
				       struct link_params *params,
				       u8 is_xfi)
{
	struct bnx2x *bp = params->bp;
	u16 misc1_val, tap_val, tx_driver_val, lane, val;
	/* Hold rxSeqStart */
3747 3748
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3749 3750

	/* Hold tx_fifo_reset */
3751 3752
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763

	/* Disable CL73 AN */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);

	/* Disable 100FX Enable and Auto-Detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_FX100_CTRL1, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));

	/* Disable 100FX Idle detect */
3764 3765
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804

	/* Set Block address to Remote PHY & Clear forced_speed[5] */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL4_MISC3, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));

	/* Turn off auto-detect & fiber mode */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			 (val & 0xFFEE));

	/* Set filter_force_link, disable_false_link and parallel_detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			 ((val | 0x0006) & 0xFFFE));

	/* Set XFI / SFI */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);

	misc1_val &= ~(0x1f);

	if (is_xfi) {
		misc1_val |= 0x5;
		tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
			   (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
			   (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
		tx_driver_val =
		      ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
		       (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));

	} else {
		misc1_val |= 0x9;
3805 3806 3807
		tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
			   (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
			   (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
3808
		tx_driver_val =
3809
		      ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3810
		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3811
		       (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825
	}
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);

	/* Set Transmit PMD settings */
	lane = bnx2x_get_warpcore_lane(phy, params);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX_FIR_TAP,
			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
			 tx_driver_val);

	/* Enable fiber mode, enable and invert sig_det */
3826 3827
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
3828 3829

	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
3830 3831
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
3832

Y
Yuval Mintz 已提交
3833
	bnx2x_warpcore_set_lpi_passthrough(phy, params);
Y
Yuval Mintz 已提交
3834

3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917
	/* 10G XFI Full Duplex */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);

	/* Release tx_fifo_reset */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);

	/* Release rxSeqStart */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
}

static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
				       struct bnx2x_phy *phy)
{
	DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
}

static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
					 struct bnx2x_phy *phy,
					 u16 lane)
{
	/* Rx0 anaRxControl1G */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);

	/* Rx2 anaRxControl1G */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW0, 0xE070);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW3, 0x8090);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);

	/* Serdes Digital Misc1 */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);

	/* Serdes Digital4 Misc3 */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);

	/* Set Transmit PMD settings */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX_FIR_TAP,
			((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
			 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
			 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
			 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
		      MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
		     ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
		      (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
}

static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
					   struct link_params *params,
3918 3919
					   u8 fiber_mode,
					   u8 always_autoneg)
3920 3921 3922 3923 3924 3925 3926 3927 3928 3929
{
	struct bnx2x *bp = params->bp;
	u16 val16, digctrl_kx1, digctrl_kx2;

	/* Clear XFI clock comp in non-10G single lane mode. */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_RX66_CONTROL, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));

3930 3931
	bnx2x_warpcore_set_lpi_passthrough(phy, params);

3932
	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
3933 3934 3935 3936 3937 3938 3939 3940 3941 3942
		/* SGMII Autoneg */
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
				 val16 | 0x1000);
		DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
	} else {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
3943
		val16 &= 0xcebf;
3944 3945 3946 3947 3948 3949 3950 3951 3952 3953
		switch (phy->req_line_speed) {
		case SPEED_10:
			break;
		case SPEED_100:
			val16 |= 0x2000;
			break;
		case SPEED_1000:
			val16 |= 0x0040;
			break;
		default:
3954 3955
			DP(NETIF_MSG_LINK,
			   "Speed not supported: 0x%x\n", phy->req_line_speed);
3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018
			return;
		}

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

		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);

		DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
			       phy->req_line_speed);
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
		DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
	}

	/* SGMII Slave mode and disable signal detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
	if (fiber_mode)
		digctrl_kx1 = 1;
	else
		digctrl_kx1 &= 0xff4a;

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			digctrl_kx1);

	/* Turn off parallel detect */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			(digctrl_kx2 & ~(1<<2)));

	/* Re-enable parallel detect */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			(digctrl_kx2 | (1<<2)));

	/* Enable autodet */
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			(digctrl_kx1 | 0x10));
}

static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 reset)
{
	u16 val;
	/* Take lane out of reset after configuration is finished */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_DIGITAL5_MISC6, &val);
	if (reset)
		val |= 0xC000;
	else
		val &= 0x3FFF;
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL5_MISC6, val);
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
}
Y
Yaniv Rosner 已提交
4019
/* Clear SFI/XFI link settings registers */
4020 4021 4022 4023 4024
static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
				      struct link_params *params,
				      u16 lane)
{
	struct bnx2x *bp = params->bp;
4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041
	u16 i;
	static struct bnx2x_reg_set wc_regs[] = {
		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
			0x0195},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
			0x0007},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
			0x0002},
		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
	};
4042
	/* Set XFI clock comp as default. */
4043 4044 4045 4046 4047 4048
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_RX66_CONTROL, (3<<13));

	for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
		bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
				 wc_regs[i].val);
4049 4050 4051 4052

	lane = bnx2x_get_warpcore_lane(phy, params);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4053

4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070
}

static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
						u32 chip_id,
						u32 shmem_base, u8 port,
						u8 *gpio_num, u8 *gpio_port)
{
	u32 cfg_pin;
	*gpio_num = 0;
	*gpio_port = 0;
	if (CHIP_IS_E3(bp)) {
		cfg_pin = (REG_RD(bp, shmem_base +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
				PORT_HW_CFG_E3_MOD_ABS_SHIFT;

4071
		/* Should not happen. This function called upon interrupt
4072 4073 4074 4075 4076 4077 4078
		 * triggered by GPIO ( since EPIO can only generate interrupts
		 * to MCP).
		 * So if this function was called and none of the GPIOs was set,
		 * it means the shit hit the fan.
		 */
		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4079 4080 4081
			DP(NETIF_MSG_LINK,
			   "ERROR: Invalid cfg pin %x for module detect indication\n",
			   cfg_pin);
4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112
			return -EINVAL;
		}

		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
	} else {
		*gpio_num = MISC_REGISTERS_GPIO_3;
		*gpio_port = port;
	}
	DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
	return 0;
}

static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
				       struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 gpio_num, gpio_port;
	u32 gpio_val;
	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
				      params->shmem_base, params->port,
				      &gpio_num, &gpio_port) != 0)
		return 0;
	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);

	/* Call the handling function in case module is detected */
	if (gpio_val == 0)
		return 1;
	else
		return 0;
}
Y
Yaniv Rosner 已提交
4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140
static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
					struct link_params *params)
{
	u16 gp2_status_reg0, lane;
	struct bnx2x *bp = params->bp;

	lane = bnx2x_get_warpcore_lane(phy, params);

	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
				 &gp2_status_reg0);

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

static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 serdes_net_if;
	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
	u16 lane = bnx2x_get_warpcore_lane(phy, params);

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

	if (!vars->turn_to_run_wc_rt)
		return;

Y
Yuval Mintz 已提交
4141
	/* Return if there is no link partner */
Y
Yaniv Rosner 已提交
4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170
	if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
		DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
		return;
	}

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

		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Do we get link yet? */
			bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
								&gp_status1);
			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
				/*10G KR*/
			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;

			DP(NETIF_MSG_LINK,
				"gp_status1 0x%x\n", gp_status1);

			if (lnkup_kr || lnkup) {
					vars->rx_tx_asic_rst = 0;
					DP(NETIF_MSG_LINK,
					"link up, rx_tx_asic_rst 0x%x\n",
					vars->rx_tx_asic_rst);
			} else {
4171
				/* Reset the lane to see if link comes up.*/
Y
Yaniv Rosner 已提交
4172 4173 4174
				bnx2x_warpcore_reset_lane(bp, phy, 1);
				bnx2x_warpcore_reset_lane(bp, phy, 0);

Y
Yuval Mintz 已提交
4175
				/* Restart Autoneg */
Y
Yaniv Rosner 已提交
4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191
				bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);

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

		default:
			break;
		}

	} /*params->rx_tx_asic_rst*/

}
Y
Yuval Mintz 已提交
4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208
static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
				      struct link_params *params)
{
	u16 lane = bnx2x_get_warpcore_lane(phy, params);
	struct bnx2x *bp = params->bp;
	bnx2x_warpcore_clear_regs(phy, params, lane);
	if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
	     SPEED_10000) &&
	    (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
		DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
		bnx2x_warpcore_set_10G_XFI(phy, params, 0);
	} else {
		DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
		bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
	}
}

4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224
static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 serdes_net_if;
	u8 fiber_mode;
	u16 lane = bnx2x_get_warpcore_lane(phy, params);
	serdes_net_if = (REG_RD(bp, params->shmem_base +
			 offsetof(struct shmem_region, dev_info.
				  port_hw_config[params->port].default_cfg)) &
			 PORT_HW_CFG_NET_SERDES_IF_MASK);
	DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
			   "serdes_net_if = 0x%x\n",
		       vars->line_speed, serdes_net_if);
	bnx2x_set_aer_mmd(params, phy);
Y
Yaniv Rosner 已提交
4225
	bnx2x_warpcore_reset_lane(bp, phy, 1);
4226 4227 4228 4229 4230 4231 4232 4233
	vars->phy_flags |= PHY_XGXS_FLAG;
	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
	    (phy->req_line_speed &&
	     ((phy->req_line_speed == SPEED_100) ||
	      (phy->req_line_speed == SPEED_10)))) {
		vars->phy_flags |= PHY_SGMII_FLAG;
		DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
		bnx2x_warpcore_clear_regs(phy, params, lane);
4234
		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4235 4236 4237 4238
	} else {
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Enable KR Auto Neg */
4239
			if (params->loopback_mode != LOOPBACK_EXT)
4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261
				bnx2x_warpcore_enable_AN_KR(phy, params, vars);
			else {
				DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
				bnx2x_warpcore_set_10G_KR(phy, params, vars);
			}
			break;

		case PORT_HW_CFG_NET_SERDES_IF_XFI:
			bnx2x_warpcore_clear_regs(phy, params, lane);
			if (vars->line_speed == SPEED_10000) {
				DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
				bnx2x_warpcore_set_10G_XFI(phy, params, 1);
			} else {
				if (SINGLE_MEDIA_DIRECT(params)) {
					DP(NETIF_MSG_LINK, "1G Fiber\n");
					fiber_mode = 1;
				} else {
					DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
					fiber_mode = 0;
				}
				bnx2x_warpcore_set_sgmii_speed(phy,
								params,
4262 4263
								fiber_mode,
								0);
4264 4265 4266 4267 4268 4269 4270 4271
			}

			break;

		case PORT_HW_CFG_NET_SERDES_IF_SFI:
			/* Issue Module detection */
			if (bnx2x_is_sfp_module_plugged(phy, params))
				bnx2x_sfp_module_detection(phy, params);
Y
Yuval Mintz 已提交
4272 4273

			bnx2x_warpcore_config_sfi(phy, params);
4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297
			break;

		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
			if (vars->line_speed != SPEED_20000) {
				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
				return;
			}
			DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
			bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
			/* Issue Module detection */

			bnx2x_sfp_module_detection(phy, params);
			break;

		case PORT_HW_CFG_NET_SERDES_IF_KR2:
			if (vars->line_speed != SPEED_20000) {
				DP(NETIF_MSG_LINK, "Speed not supported yet\n");
				return;
			}
			DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
			bnx2x_warpcore_set_20G_KR2(bp, phy);
			break;

		default:
4298 4299 4300
			DP(NETIF_MSG_LINK,
			   "Unsupported Serdes Net Interface 0x%x\n",
			   serdes_net_if);
4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334
			return;
		}
	}

	/* Take lane out of reset after configuration is finished */
	bnx2x_warpcore_reset_lane(bp, phy, 0);
	DP(NETIF_MSG_LINK, "Exit config init\n");
}

static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
					 struct bnx2x_phy *phy,
					 u8 tx_en)
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port = params->port;

	cfg_pin = REG_RD(bp, params->shmem_base +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
				PORT_HW_CFG_TX_LASER_MASK;
	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
	DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
	/* For 20G, the expected pin to be used is 3 pins after the current */

	bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
		bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
}

static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
				      struct link_params *params)
{
	struct bnx2x *bp = params->bp;
4335
	u16 val16, lane;
4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357
	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
	bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
	bnx2x_set_aer_mmd(params, phy);
	/* Global register */
	bnx2x_warpcore_reset_lane(bp, phy, 1);

	/* Clear loopback settings (if any) */
	/* 10G & 20G */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
			 0xBFFF);

	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);

	/* Update those 1-copy registers */
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
			  MDIO_AER_BLOCK_AER_REG, 0);
4358
	/* Enable 1G MDIO (1-copy) */
4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
			&val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
			 val16 & ~0x10);

	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
			 val16 & 0xff00);

4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395
	lane = bnx2x_get_warpcore_lane(phy, params);
	/* Disable CL36 PCS Tx */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
	val16 |= (0x11 << lane);
	if (phy->flags & FLAGS_WC_DUAL_MODE)
		val16 |= (0x22 << lane);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);

	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
	val16 &= ~(0x0303 << (lane << 1));
	val16 |= (0x0101 << (lane << 1));
	if (phy->flags & FLAGS_WC_DUAL_MODE) {
		val16 &= ~(0x0c0c << (lane << 1));
		val16 |= (0x0404 << (lane << 1));
	}

	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
	/* Restore AER */
	bnx2x_set_aer_mmd(params, phy);

4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413
}

static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
					struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u16 val16;
	u32 lane;
	DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
		       params->loopback_mode, phy->req_line_speed);

	if (phy->req_line_speed < SPEED_10000) {
		/* 10/100/1000 */

		/* Update those 1-copy registers */
		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
				  MDIO_AER_BLOCK_AER_REG, 0);
		/* Enable 1G MDIO (1-copy) */
4414 4415 4416
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
					 0x10);
4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428
		/* Set 1G loopback based on lane (1-copy) */
		lane = bnx2x_get_warpcore_lane(phy, params);
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_XGXSBLK1_LANECTRL2,
				val16 | (1<<lane));

		/* Switch back to 4-copy registers */
		bnx2x_set_aer_mmd(params, phy);
	} else {
		/* 10G & 20G */
4429 4430 4431
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
					 0x4000);
4432

4433 4434
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4435 4436 4437 4438
	}
}


Y
Yuval Mintz 已提交
4439 4440 4441

static void bnx2x_sync_link(struct link_params *params,
			     struct link_vars *vars)
Y
Yaniv Rosner 已提交
4442 4443
{
	struct bnx2x *bp = params->bp;
4444
	u8 link_10g_plus;
Y
Yaniv Rosner 已提交
4445 4446
	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Y
Yaniv Rosner 已提交
4447
	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Y
Yaniv Rosner 已提交
4448 4449 4450 4451 4452 4453
	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 &
Y
Yaniv Rosner 已提交
4454
			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4455 4456 4457 4458 4459 4460
		case LINK_10THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_10TFD:
			vars->line_speed = SPEED_10;
			break;
Y
Yaniv Rosner 已提交
4461

4462 4463 4464 4465 4466 4467 4468
		case LINK_100TXHD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_100T4:
		case LINK_100TXFD:
			vars->line_speed = SPEED_100;
			break;
Y
Yaniv Rosner 已提交
4469

4470 4471 4472 4473 4474 4475
		case LINK_1000THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_1000TFD:
			vars->line_speed = SPEED_1000;
			break;
Y
Yaniv Rosner 已提交
4476

4477 4478 4479 4480 4481 4482
		case LINK_2500THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_2500TFD:
			vars->line_speed = SPEED_2500;
			break;
Y
Yaniv Rosner 已提交
4483

4484 4485 4486 4487 4488 4489 4490 4491
		case LINK_10GTFD:
			vars->line_speed = SPEED_10000;
			break;
		case LINK_20GTFD:
			vars->line_speed = SPEED_20000;
			break;
		default:
			break;
Y
Yaniv Rosner 已提交
4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509
		}
		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;
		}
4510 4511 4512 4513
		if (vars->line_speed &&
		    USES_WARPCORE(bp) &&
		    (vars->line_speed == SPEED_1000))
			vars->phy_flags |= PHY_SGMII_FLAG;
Y
Yuval Mintz 已提交
4514
		/* Anything 10 and over uses the bmac */
4515 4516 4517 4518 4519 4520
		link_10g_plus = (vars->line_speed >= SPEED_10000);

		if (link_10g_plus) {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_XMAC;
			else
4521
				vars->mac_type = MAC_TYPE_BMAC;
4522 4523 4524
		} else {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_UMAC;
4525 4526
			else
				vars->mac_type = MAC_TYPE_EMAC;
4527
		}
Y
Yuval Mintz 已提交
4528
	} else { /* Link down */
Y
Yaniv Rosner 已提交
4529 4530 4531 4532 4533 4534 4535 4536
		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;

Y
Yuval Mintz 已提交
4537
		/* Indicate no mac active */
Y
Yaniv Rosner 已提交
4538
		vars->mac_type = MAC_TYPE_NONE;
Y
Yaniv Rosner 已提交
4539 4540
		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4541 4542
		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
Y
Yaniv Rosner 已提交
4543
	}
Y
Yaniv Rosner 已提交
4544 4545 4546 4547 4548 4549 4550 4551 4552 4553
}

void bnx2x_link_status_update(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 sync_offset, media_types;
	/* Update PHY configuration */
	set_phy_vars(params, vars);
Y
Yaniv Rosner 已提交
4554

Y
Yaniv Rosner 已提交
4555 4556 4557
	vars->link_status = REG_RD(bp, params->shmem_base +
				   offsetof(struct shmem_region,
					    port_mb[port].link_status));
Y
Yuval Mintz 已提交
4558 4559 4560 4561
	if (bnx2x_eee_has_cap(params))
		vars->eee_status = REG_RD(bp, params->shmem2_base +
					  offsetof(struct shmem2_region,
						   eee_status[params->port]));
Y
Yaniv Rosner 已提交
4562 4563 4564

	vars->phy_flags = PHY_XGXS_FLAG;
	bnx2x_sync_link(params, vars);
Y
Yaniv Rosner 已提交
4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581
	/* Sync media type */
	sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].media_type);
	media_types = REG_RD(bp, sync_offset);

	params->phy[INT_PHY].media_type =
		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
	params->phy[EXT_PHY1].media_type =
		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
	params->phy[EXT_PHY2].media_type =
		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
	DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);

4582 4583 4584 4585 4586 4587 4588
	/* Sync AEU offset */
	sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
				 dev_info.port_hw_config[port].aeu_int_mask);

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

Y
Yaniv Rosner 已提交
4589 4590 4591 4592 4593 4594 4595 4596
	/* Sync PFC status */
	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
		params->feature_config_flags |=
					FEATURE_CONFIG_PFC_ENABLED;
	else
		params->feature_config_flags &=
					~FEATURE_CONFIG_PFC_ENABLED;

4597 4598
	DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
Y
Yaniv Rosner 已提交
4599 4600 4601 4602 4603 4604 4605 4606 4607
	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;
Y
Yaniv Rosner 已提交
4608
	ser_lane = ((params->lane_config &
Y
Yaniv Rosner 已提交
4609
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Y
Yaniv Rosner 已提交
4610
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
Yaniv Rosner 已提交
4611

Y
Yuval Mintz 已提交
4612
	/* Set the master_ln for AN */
Y
Yaniv Rosner 已提交
4613
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4614 4615 4616
			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);
Y
Yaniv Rosner 已提交
4617

Y
Yaniv Rosner 已提交
4618
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4619 4620 4621
			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
Y
Yaniv Rosner 已提交
4622 4623
}

Y
Yaniv Rosner 已提交
4624 4625 4626
static int bnx2x_reset_unicore(struct link_params *params,
			       struct bnx2x_phy *phy,
			       u8 set_serdes)
Y
Yaniv Rosner 已提交
4627 4628 4629 4630
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;
Y
Yaniv Rosner 已提交
4631
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4632 4633
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Y
Yaniv Rosner 已提交
4634

Y
Yuval Mintz 已提交
4635
	/* Reset the unicore */
Y
Yaniv Rosner 已提交
4636
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4637 4638 4639 4640
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Y
Yaniv Rosner 已提交
4641 4642 4643
	if (set_serdes)
		bnx2x_set_serdes_access(bp, params->port);

Y
Yuval Mintz 已提交
4644
	/* Wait for the reset to self clear */
Y
Yaniv Rosner 已提交
4645 4646 4647
	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
		udelay(5);

Y
Yuval Mintz 已提交
4648
		/* The reset erased the previous bank value */
Y
Yaniv Rosner 已提交
4649
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4650 4651 4652
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
4653 4654 4655 4656 4657 4658

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
Y
Yaniv Rosner 已提交
4659

4660 4661 4662
	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
			      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
4663 4664 4665 4666 4667
	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

Y
Yaniv Rosner 已提交
4668 4669
static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
4670 4671
{
	struct bnx2x *bp = params->bp;
4672 4673
	/* Each two bits represents a lane number:
	 * No swap is 0123 => 0x1b no need to enable the swap
4674
	 */
Y
Yaniv Rosner 已提交
4675
	u16 rx_lane_swap, tx_lane_swap;
Y
Yaniv Rosner 已提交
4676 4677

	rx_lane_swap = ((params->lane_config &
Y
Yaniv Rosner 已提交
4678 4679
			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Y
Yaniv Rosner 已提交
4680
	tx_lane_swap = ((params->lane_config &
Y
Yaniv Rosner 已提交
4681 4682
			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Y
Yaniv Rosner 已提交
4683 4684

	if (rx_lane_swap != 0x1b) {
Y
Yaniv Rosner 已提交
4685
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4686 4687 4688 4689 4690
				  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));
Y
Yaniv Rosner 已提交
4691
	} else {
Y
Yaniv Rosner 已提交
4692
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4693 4694
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
4695 4696 4697
	}

	if (tx_lane_swap != 0x1b) {
Y
Yaniv Rosner 已提交
4698
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4699 4700 4701 4702
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
				  (tx_lane_swap |
				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
Y
Yaniv Rosner 已提交
4703
	} else {
Y
Yaniv Rosner 已提交
4704
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4705 4706
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
4707 4708 4709
	}
}

Y
Yaniv Rosner 已提交
4710 4711
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
Yaniv Rosner 已提交
4712 4713 4714
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
Yaniv Rosner 已提交
4715
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4716 4717 4718
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
4719
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
Yaniv Rosner 已提交
4720 4721 4722
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4723 4724
	DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
		phy->speed_cap_mask, control2);
Y
Yaniv Rosner 已提交
4725
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4726 4727 4728
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);
Y
Yaniv Rosner 已提交
4729

Y
Yaniv Rosner 已提交
4730
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4731
	     (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4732
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
4733 4734
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
4735
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4736 4737 4738
				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
Y
Yaniv Rosner 已提交
4739

Y
Yaniv Rosner 已提交
4740
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4741 4742 4743
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  &control2);
Y
Yaniv Rosner 已提交
4744 4745 4746 4747 4748


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
Yaniv Rosner 已提交
4749
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4750 4751 4752
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);
Y
Yaniv Rosner 已提交
4753 4754

		/* Disable parallel detection of HiG */
Y
Yaniv Rosner 已提交
4755
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4756 4757 4758 4759
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
Y
Yaniv Rosner 已提交
4760 4761 4762
	}
}

Y
Yaniv Rosner 已提交
4763 4764
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
Y
Yaniv Rosner 已提交
4765 4766
			      struct link_vars *vars,
			      u8 enable_cl73)
Y
Yaniv Rosner 已提交
4767 4768 4769 4770 4771
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
Yaniv Rosner 已提交
4772
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4773 4774
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
4775 4776

	/* CL37 Autoneg Enabled */
Y
Yaniv Rosner 已提交
4777
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4778 4779 4780 4781 4782
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
	else /* CL37 Autoneg Disabled */
		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);

Y
Yaniv Rosner 已提交
4783
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4784 4785
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4786 4787 4788

	/* Enable/Disable Autodetection */

Y
Yaniv Rosner 已提交
4789
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4790 4791
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4792 4793 4794
	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
4795
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4796 4797 4798 4799
		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
4800
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4801 4802
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Y
Yaniv Rosner 已提交
4803 4804

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
4805
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4806 4807
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Y
Yaniv Rosner 已提交
4808
			  &reg_val);
Y
Yaniv Rosner 已提交
4809
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
4810 4811 4812 4813 4814 4815 4816 4817
		/* 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
4818
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4819 4820 4821
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);
Y
Yaniv Rosner 已提交
4822

4823 4824
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
4825
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4826 4827 4828
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);
4829 4830

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
4831
		CL22_WR_OVER_CL45(bp, phy,
4832 4833 4834 4835 4836 4837
			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
4838
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
4839
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4840 4841 4842
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
4843
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4844 4845
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
4846
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4847 4848
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
4849

Y
Yaniv Rosner 已提交
4850
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4851 4852 4853
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);
4854 4855 4856 4857 4858 4859

		/* 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
4860

Y
Yaniv Rosner 已提交
4861
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4862 4863
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4864 4865
}

Y
Yuval Mintz 已提交
4866
/* Program SerDes, forced speed */
Y
Yaniv Rosner 已提交
4867 4868
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
4869
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
4870 4871 4872 4873
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

Y
Yuval Mintz 已提交
4874
	/* Program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
4875
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4876 4877
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
4878
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
4879 4880
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
4881
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
4882
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
4883
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4884 4885
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4886

4887
	/* Program speed
4888 4889
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
Y
Yaniv Rosner 已提交
4890
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4891 4892
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yuval Mintz 已提交
4893
	/* Clearing the speed value before setting the right speed */
Y
Yaniv Rosner 已提交
4894 4895 4896 4897 4898 4899 4900 4901 4902
	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
4903 4904
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
4905
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
4906 4907
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
4908 4909
	}

Y
Yaniv Rosner 已提交
4910
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4911 4912
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
4913

Y
Yaniv Rosner 已提交
4914 4915
}

4916 4917
static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params)
Y
Yaniv Rosner 已提交
4918 4919 4920 4921
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

Y
Yuval Mintz 已提交
4922
	/* Set extended capabilities */
4923
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
4924
		val |= MDIO_OVER_1G_UP1_2_5G;
4925
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
4926
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
4927
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4928 4929
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);
Y
Yaniv Rosner 已提交
4930

Y
Yaniv Rosner 已提交
4931
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4932 4933
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
4934 4935
}

4936 4937 4938
static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params,
					      u16 ieee_fc)
Y
Yaniv Rosner 已提交
4939 4940
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4941
	u16 val;
Y
Yuval Mintz 已提交
4942
	/* For AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
4943

Y
Yaniv Rosner 已提交
4944
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4945 4946
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
4947
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4948 4949
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
Y
Yaniv Rosner 已提交
4950 4951
	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
4952
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4953 4954
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
4955 4956
}

Y
Yaniv Rosner 已提交
4957 4958 4959
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
4960 4961
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
4962
	u16 mii_control;
4963

Y
Yaniv Rosner 已提交
4964
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
4965
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
4966

4967
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
4968
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4969 4970 4971
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);
4972

Y
Yaniv Rosner 已提交
4973
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4974 4975 4976 4977 4978
				  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));
4979 4980
	} else {

Y
Yaniv Rosner 已提交
4981
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4982 4983 4984
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
4985 4986 4987
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
4988
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4989 4990 4991 4992 4993
				  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));
4994
	}
Y
Yaniv Rosner 已提交
4995 4996
}

Y
Yaniv Rosner 已提交
4997 4998
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
4999
					   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5000 5001 5002 5003
{
	struct bnx2x *bp = params->bp;
	u16 control1;

Y
Yuval Mintz 已提交
5004
	/* In SGMII mode, the unicore is always slave */
Y
Yaniv Rosner 已提交
5005

Y
Yaniv Rosner 已提交
5006
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5007 5008 5009
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  &control1);
Y
Yaniv Rosner 已提交
5010
	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
Y
Yuval Mintz 已提交
5011
	/* Set sgmii mode (and not fiber) */
Y
Yaniv Rosner 已提交
5012 5013 5014
	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
5015
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5016 5017 5018
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);
Y
Yaniv Rosner 已提交
5019

Y
Yuval Mintz 已提交
5020
	/* If forced speed */
Y
Yaniv Rosner 已提交
5021
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yuval Mintz 已提交
5022
		/* Set speed, disable autoneg */
Y
Yaniv Rosner 已提交
5023 5024
		u16 mii_control;

Y
Yaniv Rosner 已提交
5025
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5026 5027 5028
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
5029 5030 5031 5032
		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
5033
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5034 5035 5036 5037 5038 5039 5040 5041 5042
		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:
Y
Yuval Mintz 已提交
5043
			/* There is nothing to set for 10M */
Y
Yaniv Rosner 已提交
5044 5045
			break;
		default:
Y
Yuval Mintz 已提交
5046
			/* Invalid speed for SGMII */
Y
Yaniv Rosner 已提交
5047 5048
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
5049 5050 5051
			break;
		}

Y
Yuval Mintz 已提交
5052
		/* Setting the full duplex */
5053
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5054 5055
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
5056
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5057 5058 5059
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);
Y
Yaniv Rosner 已提交
5060 5061

	} else { /* AN mode */
Y
Yuval Mintz 已提交
5062
		/* Enable and restart AN */
Y
Yaniv Rosner 已提交
5063
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
5064 5065 5066
	}
}

5067
/* Link management
Y
Yaniv Rosner 已提交
5068
 */
Y
Yaniv Rosner 已提交
5069 5070
static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					     struct link_params *params)
5071 5072 5073
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
5074 5075
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
5076
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5077 5078 5079
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
Y
Yaniv Rosner 已提交
5080
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5081 5082 5083
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
5084 5085 5086 5087 5088 5089
	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
5090
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5091 5092 5093
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);
5094 5095 5096 5097 5098 5099 5100 5101

	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
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 5148 5149
static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
				struct link_params *params,
				struct link_vars *vars,
				u32 gp_status)
{
	u16 ld_pause;   /* local driver */
	u16 lp_pause;   /* link partner */
	u16 pause_result;
	struct bnx2x *bp = params->bp;
	if ((gp_status &
	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {

		CL22_RD_OVER_CL45(bp, phy,
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV1,
				  &ld_pause);
		CL22_RD_OVER_CL45(bp, phy,
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
				  &lp_pause);
		pause_result = (ld_pause &
				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
		pause_result |= (lp_pause &
				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
		DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
	} else {
		CL22_RD_OVER_CL45(bp, phy,
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
				  &ld_pause);
		CL22_RD_OVER_CL45(bp, phy,
			MDIO_REG_BANK_COMBO_IEEE0,
			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
			&lp_pause);
		pause_result = (ld_pause &
				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
		pause_result |= (lp_pause &
				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
		DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
	}
	bnx2x_pause_resolve(vars, pause_result);

}

Y
Yaniv Rosner 已提交
5150 5151 5152 5153
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
5154 5155
{
	struct bnx2x *bp = params->bp;
5156
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5157

Y
Yuval Mintz 已提交
5158
	/* Resolve from gp_status in case of AN complete and not sgmii */
5159 5160 5161 5162 5163
	if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
		/* Update the advertised flow-controled of LD/LP in AN */
		if (phy->req_line_speed == SPEED_AUTO_NEG)
			bnx2x_update_adv_fc(phy, params, vars, gp_status);
		/* But set the flow-control result as the requested one */
5164
		vars->flow_ctrl = phy->req_flow_ctrl;
5165
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5166 5167 5168
		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
5169
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5170 5171 5172
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
5173
		bnx2x_update_adv_fc(phy, params, vars, gp_status);
Y
Yaniv Rosner 已提交
5174 5175 5176 5177
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
5178 5179
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
5180 5181
{
	struct bnx2x *bp = params->bp;
5182
	u16 rx_status, ustat_val, cl37_fsm_received;
5183 5184
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
5185
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5186 5187 5188
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
5189 5190 5191 5192
	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
5193
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5194 5195 5196
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5197 5198 5199
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
5200
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5201 5202 5203
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
5204 5205 5206 5207 5208 5209 5210 5211 5212
	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;
	}
5213
	/* Step 3: Check CL37 Message Pages received to indicate LP
5214 5215
	 * supports only CL37
	 */
Y
Yaniv Rosner 已提交
5216
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5217 5218
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5219 5220
			  &cl37_fsm_received);
	if ((cl37_fsm_received &
5221 5222 5223 5224 5225 5226
	     (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",
5227
			 cl37_fsm_received);
5228 5229
		return;
	}
5230
	/* The combined cl37/cl73 fsm state information indicating that
5231 5232 5233 5234 5235
	 * 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
	 */

5236
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
5237
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5238 5239 5240
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
5241
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
5242
	bnx2x_restart_autoneg(phy, params, 0);
5243 5244
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258

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;
}
5259 5260 5261 5262 5263 5264
static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
				     struct link_params *params,
				      struct link_vars *vars,
				      u16 is_link_up,
				      u16 speed_mask,
				      u16 is_duplex)
Y
Yaniv Rosner 已提交
5265 5266
{
	struct bnx2x *bp = params->bp;
5267 5268
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5269 5270
	if (is_link_up) {
		DP(NETIF_MSG_LINK, "phy link up\n");
Y
Yaniv Rosner 已提交
5271 5272 5273 5274

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

5275
		switch (speed_mask) {
Y
Yaniv Rosner 已提交
5276
		case GP_STATUS_10M:
5277
			vars->line_speed = SPEED_10;
5278
			if (is_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5279 5280 5281 5282 5283 5284
				vars->link_status |= LINK_10TFD;
			else
				vars->link_status |= LINK_10THD;
			break;

		case GP_STATUS_100M:
5285
			vars->line_speed = SPEED_100;
5286
			if (is_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5287 5288 5289 5290 5291 5292 5293
				vars->link_status |= LINK_100TXFD;
			else
				vars->link_status |= LINK_100TXHD;
			break;

		case GP_STATUS_1G:
		case GP_STATUS_1G_KX:
5294
			vars->line_speed = SPEED_1000;
5295
			if (is_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5296 5297 5298 5299 5300 5301
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
5302
			vars->line_speed = SPEED_2500;
5303
			if (is_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5304 5305 5306 5307 5308 5309 5310 5311 5312
				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",
5313
				  speed_mask);
Y
Yaniv Rosner 已提交
5314
			return -EINVAL;
5315

Y
Yaniv Rosner 已提交
5316 5317 5318
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
5319 5320 5321 5322
		case GP_STATUS_10G_KR:
		case GP_STATUS_10G_SFI:
		case GP_STATUS_10G_XFI:
			vars->line_speed = SPEED_10000;
Y
Yaniv Rosner 已提交
5323 5324
			vars->link_status |= LINK_10GTFD;
			break;
5325 5326 5327 5328
		case GP_STATUS_20G_DXGXS:
			vars->line_speed = SPEED_20000;
			vars->link_status |= LINK_20GTFD;
			break;
Y
Yaniv Rosner 已提交
5329 5330 5331
		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
5332
				  speed_mask);
5333
			return -EINVAL;
Y
Yaniv Rosner 已提交
5334 5335 5336 5337 5338
		}
	} else { /* link_down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;
5339

Y
Yaniv Rosner 已提交
5340
		vars->duplex = DUPLEX_FULL;
5341
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5342
		vars->mac_type = MAC_TYPE_NONE;
5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373
	}
	DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
		    vars->phy_link_up, vars->line_speed);
	return 0;
}

static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;

	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
	int rc = 0;

	/* Read gp_status */
	CL22_RD_OVER_CL45(bp, phy,
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
		duplex = DUPLEX_FULL;
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
		link_up = 1;
	speed_mask = gp_status & GP_STATUS_SPEED_MASK;
	DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
		       gp_status, link_up, speed_mask);
	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
					 duplex);
	if (rc == -EINVAL)
		return rc;
5374

5375 5376
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
		if (SINGLE_MEDIA_DIRECT(params)) {
5377
			vars->duplex = duplex;
5378 5379 5380 5381 5382
			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
Yuval Mintz 已提交
5383
	} else { /* Link_down */
5384 5385
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
5386
			/* Check signal is detected */
5387
			bnx2x_check_fallback_to_cl37(phy, params);
5388
		}
Y
Yaniv Rosner 已提交
5389 5390
	}

5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417
	/* Read LP advertised speeds*/
	if (SINGLE_MEDIA_DIRECT(params) &&
	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
		u16 val;

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

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

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

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

Y
Yaniv Rosner 已提交
5418 5419
	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
5420 5421 5422
	return rc;
}

5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471
static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
				     struct link_params *params,
				     struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 lane;
	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
	int rc = 0;
	lane = bnx2x_get_warpcore_lane(phy, params);
	/* Read gp_status */
	if (phy->req_line_speed > SPEED_10000) {
		u16 temp_link_up;
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				1, &temp_link_up);
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				1, &link_up);
		DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
			       temp_link_up, link_up);
		link_up &= (1<<2);
		if (link_up)
			bnx2x_ext_phy_resolve_fc(phy, params, vars);
	} else {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
		DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
		/* Check for either KR or generic link up. */
		gp_status1 = ((gp_status1 >> 8) & 0xf) |
			((gp_status1 >> 12) & 0xf);
		link_up = gp_status1 & (1 << lane);
		if (link_up && SINGLE_MEDIA_DIRECT(params)) {
			u16 pd, gp_status4;
			if (phy->req_line_speed == SPEED_AUTO_NEG) {
				/* Check Autoneg complete */
				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
						MDIO_WC_REG_GP2_STATUS_GP_2_4,
						&gp_status4);
				if (gp_status4 & ((1<<12)<<lane))
					vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;

				/* Check parallel detect used */
				bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
						MDIO_WC_REG_PAR_DET_10G_STATUS,
						&pd);
				if (pd & (1<<15))
					vars->link_status |=
					LINK_STATUS_PARALLEL_DETECTION_USED;
			}
			bnx2x_ext_phy_resolve_fc(phy, params, vars);
5472
			vars->duplex = duplex;
5473 5474 5475
		}
	}

5476 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
	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
	    SINGLE_MEDIA_DIRECT(params)) {
		u16 val;

		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG2, &val);

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

		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);

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

	}


5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524
	if (lane < 2) {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
	} else {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
	}
	DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);

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


	rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
					 duplex);

	DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
		   vars->duplex, vars->flow_ctrl, vars->link_status);
	return rc;
}
E
Eilon Greenstein 已提交
5525
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
5526 5527
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5528
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
5529 5530
	u16 lp_up2;
	u16 tx_driver;
5531
	u16 bank;
Y
Yaniv Rosner 已提交
5532

Y
Yuval Mintz 已提交
5533
	/* Read precomp */
Y
Yaniv Rosner 已提交
5534
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5535 5536
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);
Y
Yaniv Rosner 已提交
5537

Y
Yuval Mintz 已提交
5538
	/* Bits [10:7] at lp_up2, positioned at [15:12] */
Y
Yaniv Rosner 已提交
5539 5540 5541 5542
	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);

5543 5544 5545 5546 5547
	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
5548
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5549 5550
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);
5551

Y
Yuval Mintz 已提交
5552
		/* Replace tx_driver bits [15:12] */
5553 5554 5555 5556
		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
5557
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5558 5559
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
5560
		}
Y
Yaniv Rosner 已提交
5561 5562 5563
	}
}

Y
Yaniv Rosner 已提交
5564 5565
static int bnx2x_emac_program(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
5566 5567 5568 5569 5570 5571 5572
{
	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 +
Y
Yaniv Rosner 已提交
5573 5574 5575 5576
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
Y
Yaniv Rosner 已提交
5577
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595
	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
5596 5597
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
5598 5599 5600
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
5601
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
5602 5603
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
Y
Yaniv Rosner 已提交
5604 5605
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);
Y
Yaniv Rosner 已提交
5606

5607
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
5608 5609 5610
	return 0;
}

Y
Yaniv Rosner 已提交
5611 5612
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
5613
{
Y
Yaniv Rosner 已提交
5614 5615 5616 5617 5618 5619

	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++) {
Y
Yaniv Rosner 已提交
5620
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5621 5622 5623 5624 5625 5626 5627
					  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++) {
Y
Yaniv Rosner 已提交
5628
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5629 5630 5631 5632 5633 5634
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

Y
Yaniv Rosner 已提交
5635 5636 5637
static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5638 5639 5640 5641 5642 5643 5644 5645 5646 5647
{
	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);

Y
Yuval Mintz 已提交
5648
		/* Forced speed requested? */
Y
Yaniv Rosner 已提交
5649 5650
		if (vars->line_speed != SPEED_AUTO_NEG ||
		    (SINGLE_MEDIA_DIRECT(params) &&
Y
Yaniv Rosner 已提交
5651
		     params->loopback_mode == LOOPBACK_EXT)) {
Y
Yaniv Rosner 已提交
5652 5653
			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");

Y
Yuval Mintz 已提交
5654
			/* Disable autoneg */
Y
Yaniv Rosner 已提交
5655 5656
			bnx2x_set_autoneg(phy, params, vars, 0);

Y
Yuval Mintz 已提交
5657
			/* Program speed and duplex */
Y
Yaniv Rosner 已提交
5658 5659 5660 5661 5662 5663
			bnx2x_program_serdes(phy, params, vars);

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

			/* AN enabled */
5664
			bnx2x_set_brcm_cl37_advertisement(phy, params);
Y
Yaniv Rosner 已提交
5665

Y
Yuval Mintz 已提交
5666
			/* Program duplex & pause advertisement (for aneg) */
5667 5668
			bnx2x_set_ieee_aneg_advertisement(phy, params,
							  vars->ieee_fc);
Y
Yaniv Rosner 已提交
5669

Y
Yuval Mintz 已提交
5670
			/* Enable autoneg */
Y
Yaniv Rosner 已提交
5671 5672
			bnx2x_set_autoneg(phy, params, vars, enable_cl73);

Y
Yuval Mintz 已提交
5673
			/* Enable and restart AN */
Y
Yaniv Rosner 已提交
5674 5675 5676 5677 5678 5679 5680 5681 5682 5683
			bnx2x_restart_autoneg(phy, params, enable_cl73);
		}

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

		bnx2x_initialize_sgmii_process(phy, params, vars);
	}
}

Y
Yaniv Rosner 已提交
5684 5685 5686
static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
			  struct link_params *params,
			  struct link_vars *vars)
Y
Yaniv Rosner 已提交
5687
{
Y
Yaniv Rosner 已提交
5688
	int rc;
Y
Yaniv Rosner 已提交
5689
	vars->phy_flags |= PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
5690 5691 5692 5693 5694 5695 5696
	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 <
Y
Yaniv Rosner 已提交
5697 5698
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Y
Yaniv Rosner 已提交
5699 5700 5701 5702 5703
		vars->phy_flags |= PHY_SGMII_FLAG;
	else
		vars->phy_flags &= ~PHY_SGMII_FLAG;

	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
5704 5705 5706
	bnx2x_set_aer_mmd(params, phy);
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
		bnx2x_set_master_ln(params, phy);
Y
Yaniv Rosner 已提交
5707 5708

	rc = bnx2x_reset_unicore(params, phy, 0);
Y
Yuval Mintz 已提交
5709 5710
	/* Reset the SerDes and wait for reset bit return low */
	if (rc)
Y
Yaniv Rosner 已提交
5711 5712
		return rc;

Y
Yaniv Rosner 已提交
5713
	bnx2x_set_aer_mmd(params, phy);
Y
Yuval Mintz 已提交
5714
	/* Setting the masterLn_def again after the reset */
Y
Yaniv Rosner 已提交
5715 5716 5717 5718
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
		bnx2x_set_master_ln(params, phy);
		bnx2x_set_swap_lanes(params, phy);
	}
Y
Yaniv Rosner 已提交
5719 5720 5721

	return rc;
}
5722

Y
Yaniv Rosner 已提交
5723
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5724 5725
				     struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
5726
{
Y
Yaniv Rosner 已提交
5727
	u16 cnt, ctrl;
L
Lucas De Marchi 已提交
5728
	/* Wait for soft reset to get cleared up to 1 sec */
Y
Yaniv Rosner 已提交
5729
	for (cnt = 0; cnt < 1000; cnt++) {
5730
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Y
Yaniv Rosner 已提交
5731 5732 5733 5734 5735 5736
			bnx2x_cl22_read(bp, phy,
				MDIO_PMA_REG_CTRL, &ctrl);
		else
			bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, &ctrl);
Y
Yaniv Rosner 已提交
5737 5738
		if (!(ctrl & (1<<15)))
			break;
Y
Yuval Mintz 已提交
5739
		usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
5740
	}
5741 5742 5743 5744 5745

	if (cnt == 1000)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
5746 5747
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
5748 5749
}

Y
Yaniv Rosner 已提交
5750
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
5751
{
Y
Yaniv Rosner 已提交
5752 5753 5754
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
5755

5756
	/* Setting the status to report on link up for either XGXS or SerDes */
5757 5758 5759 5760 5761
	if (CHIP_IS_E3(bp)) {
		mask = NIG_MASK_XGXS0_LINK_STATUS;
		if (!(SINGLE_MEDIA_DIRECT(params)))
			mask |= NIG_MASK_MI_INT;
	} else if (params->switch_cfg == SWITCH_CFG_10G) {
Y
Yaniv Rosner 已提交
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
		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
Eilon Greenstein 已提交
5796 5797
}

Y
Yaniv Rosner 已提交
5798 5799
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
5800
{
Y
Yaniv Rosner 已提交
5801 5802
	u32 latch_status = 0;

5803
	/* Disable the MI INT ( external phy int ) by writing 1 to the
Y
Yaniv Rosner 已提交
5804 5805
	 * status register. Link down indication is high-active-signal,
	 * so in this case we need to write the status to clear the XOR
Y
Yaniv Rosner 已提交
5806 5807 5808
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
5809 5810
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
5811
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822
	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
Yaniv Rosner 已提交
5823
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
5824

Y
Yaniv Rosner 已提交
5825 5826
		/* For all latched-signal=up : Re-Arm Latch signals */
		REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Y
Yaniv Rosner 已提交
5827
		       (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
5828
	}
Y
Yaniv Rosner 已提交
5829
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
5830 5831
}

Y
Yaniv Rosner 已提交
5832
static void bnx2x_link_int_ack(struct link_params *params,
5833
			       struct link_vars *vars, u8 is_10g_plus)
5834
{
Y
Yaniv Rosner 已提交
5835
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5836
	u8 port = params->port;
5837
	u32 mask;
5838
	/* First reset all status we assume only one line will be
5839 5840
	 * change at a time
	 */
Y
Yaniv Rosner 已提交
5841
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
5842 5843 5844
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS));
Y
Yaniv Rosner 已提交
5845
	if (vars->phy_link_up) {
5846 5847 5848 5849 5850 5851
		if (USES_WARPCORE(bp))
			mask = NIG_STATUS_XGXS0_LINK_STATUS;
		else {
			if (is_10g_plus)
				mask = NIG_STATUS_XGXS0_LINK10G;
			else if (params->switch_cfg == SWITCH_CFG_10G) {
5852
				/* Disable the link interrupt by writing 1 to
5853 5854 5855 5856
				 * the relevant lane in the status register
				 */
				u32 ser_lane =
					((params->lane_config &
Y
Yaniv Rosner 已提交
5857 5858
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5859 5860 5861 5862
				mask = ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
			} else
				mask = NIG_STATUS_SERDES0_LINK_STATUS;
Y
Yaniv Rosner 已提交
5863
		}
5864 5865 5866 5867 5868
		DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
			       mask);
		bnx2x_bits_en(bp,
			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
			      mask);
Y
Yaniv Rosner 已提交
5869 5870 5871
	}
}

Y
Yaniv Rosner 已提交
5872
static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
5873 5874 5875 5876 5877
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
5878
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
5879 5880 5881
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
5882
		(*len)--;
Y
Yaniv Rosner 已提交
5883
		return -EINVAL;
Y
Yaniv Rosner 已提交
5884
	}
Y
Yaniv Rosner 已提交
5885
	while (shift > 0) {
Y
Yaniv Rosner 已提交
5886

Y
Yaniv Rosner 已提交
5887 5888
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
5889 5890 5891 5892
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
5893 5894 5895
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
5896
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
5897
		str_ptr++;
Y
Yaniv Rosner 已提交
5898
		(*len)--;
Y
Yaniv Rosner 已提交
5899 5900
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
5901
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
5902
			str_ptr++;
Y
Yaniv Rosner 已提交
5903 5904
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
5905 5906
		}
	}
Y
Yaniv Rosner 已提交
5907
	return 0;
Y
Yaniv Rosner 已提交
5908 5909
}

Y
Yaniv Rosner 已提交
5910

Y
Yaniv Rosner 已提交
5911
static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
5912
{
Y
Yaniv Rosner 已提交
5913 5914 5915 5916
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
5917

5918 5919
int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
				 u16 len)
Y
Yaniv Rosner 已提交
5920 5921 5922
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
Y
Yaniv Rosner 已提交
5923
	int status = 0;
Y
Yaniv Rosner 已提交
5924
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
5925
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
5926 5927 5928
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
5929

Y
Yaniv Rosner 已提交
5930 5931 5932
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
5933

Y
Yaniv Rosner 已提交
5934
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
5935 5936
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
5937 5938 5939 5940 5941
							      &remain_len);
		ver_p += (len - remain_len);
	}
	if ((params->num_phys == MAX_PHYS) &&
	    (params->phy[EXT_PHY2].ver_addr != 0)) {
Y
Yaniv Rosner 已提交
5942
		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Y
Yaniv Rosner 已提交
5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954
		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
5955
	return status;
Y
Yaniv Rosner 已提交
5956
}
Y
Yaniv Rosner 已提交
5957

Y
Yaniv Rosner 已提交
5958 5959
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
5960
{
Y
Yaniv Rosner 已提交
5961
	u8 port = params->port;
E
Eilon Greenstein 已提交
5962 5963
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
5964
	if (phy->req_line_speed != SPEED_1000) {
5965
		u32 md_devad = 0;
E
Eilon Greenstein 已提交
5966

Y
Yaniv Rosner 已提交
5967
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
5968

5969
		if (!CHIP_IS_E3(bp)) {
Y
Yuval Mintz 已提交
5970
			/* Change the uni_phy_addr in the nig */
5971 5972
			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
					       port*0x18));
5973

5974 5975 5976
			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       0x5);
		}
E
Eilon Greenstein 已提交
5977

Y
Yaniv Rosner 已提交
5978
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5979 5980 5981 5982
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);
E
Eilon Greenstein 已提交
5983

Y
Yaniv Rosner 已提交
5984
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5985 5986 5987 5988
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
Y
Yaniv Rosner 已提交
5989
		msleep(200);
Y
Yuval Mintz 已提交
5990
		/* Set aer mmd back */
Y
Yaniv Rosner 已提交
5991
		bnx2x_set_aer_mmd(params, phy);
E
Eilon Greenstein 已提交
5992

5993
		if (!CHIP_IS_E3(bp)) {
Y
Yuval Mintz 已提交
5994
			/* And md_devad */
5995 5996 5997
			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       md_devad);
		}
Y
Yaniv Rosner 已提交
5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010
	} 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
6011 6012
}

Y
Yaniv Rosner 已提交
6013 6014
int bnx2x_set_led(struct link_params *params,
		  struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
6015
{
Y
Yaniv Rosner 已提交
6016 6017
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
Y
Yaniv Rosner 已提交
6018 6019
	int rc = 0;
	u8 phy_idx;
Y
Yaniv Rosner 已提交
6020 6021
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
6022
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6023 6024 6025
	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);
6026 6027 6028 6029 6030 6031 6032 6033
	/* 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
6034
	switch (mode) {
6035
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
6036 6037 6038
	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,
Y
Yaniv Rosner 已提交
6039
		       SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
6040

Y
Yaniv Rosner 已提交
6041
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Y
Yaniv Rosner 已提交
6042
		if (params->phy[EXT_PHY1].type ==
6043 6044 6045 6046 6047 6048 6049 6050
			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
				EMAC_LED_100MB_OVERRIDE |
				EMAC_LED_10MB_OVERRIDE);
		else
			tmp |= EMAC_LED_OVERRIDE;

		EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
Y
Yaniv Rosner 已提交
6051
		break;
E
Eilon Greenstein 已提交
6052

Y
Yaniv Rosner 已提交
6053
	case LED_MODE_OPER:
6054
		/* For all other phys, OPER mode is same as ON, so in case
6055
		 * link is down, do nothing
6056
		 */
6057 6058 6059
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
6060 6061 6062 6063
		if (((params->phy[EXT_PHY1].type ==
			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
			 (params->phy[EXT_PHY1].type ==
			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6064
		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6065
			/* This is a work-around for E2+8727 Configurations */
6066 6067 6068 6069 6070 6071 6072 6073
			if (mode == LED_MODE_ON ||
				speed == SPEED_10000){
				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);

				tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
				EMAC_WR(bp, EMAC_REG_EMAC_LED,
					(tmp | EMAC_LED_OVERRIDE));
6074
				/* Return here without enabling traffic
Y
Yaniv Rosner 已提交
6075
				 * LED blink and setting rate in ON mode.
Y
Yaniv Rosner 已提交
6076 6077 6078 6079 6080
				 * In oper mode, enabling LED blink
				 * and setting rate is needed.
				 */
				if (mode == LED_MODE_ON)
					return rc;
6081
			}
Y
Yaniv Rosner 已提交
6082
		} else if (SINGLE_MEDIA_DIRECT(params)) {
6083
			/* This is a work-around for HW issue found when link
6084 6085
			 * is up in CL73
			 */
Y
Yaniv Rosner 已提交
6086 6087 6088 6089 6090
			if ((!CHIP_IS_E3(bp)) ||
			    (CHIP_IS_E3(bp) &&
			     mode == LED_MODE_ON))
				REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);

Y
Yaniv Rosner 已提交
6091 6092 6093 6094 6095 6096 6097
			if (CHIP_IS_E1x(bp) ||
			    CHIP_IS_E2(bp) ||
			    (mode == LED_MODE_ON))
				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			else
				REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
				       hw_led_mode);
Y
Yaniv Rosner 已提交
6098 6099
		} else if ((params->phy[EXT_PHY1].type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6100
			   (mode == LED_MODE_ON)) {
Y
Yaniv Rosner 已提交
6101 6102
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6103 6104 6105 6106 6107 6108
			EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
			/* Break here; otherwise, it'll disable the
			 * intended override.
			 */
			break;
Y
Yaniv Rosner 已提交
6109
		} else
Y
Yaniv Rosner 已提交
6110 6111
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
			       hw_led_mode);
E
Eilon Greenstein 已提交
6112

Y
Yaniv Rosner 已提交
6113
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Y
Yaniv Rosner 已提交
6114
		/* Set blinking rate to ~15.9Hz */
Y
Yaniv Rosner 已提交
6115 6116 6117 6118 6119 6120
		if (CHIP_IS_E3(bp))
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			       LED_BLINK_RATE_VAL_E3);
		else
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
			       LED_BLINK_RATE_VAL_E1X_E2);
Y
Yaniv Rosner 已提交
6121
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Y
Yaniv Rosner 已提交
6122
		       port*4, 1);
6123 6124 6125
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
		EMAC_WR(bp, EMAC_REG_EMAC_LED,
			(tmp & (~EMAC_LED_OVERRIDE)));
E
Eilon Greenstein 已提交
6126

Y
Yaniv Rosner 已提交
6127 6128 6129 6130 6131
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
6132
			/* For speeds less than 10G LED scheme is different */
Y
Yaniv Rosner 已提交
6133
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Y
Yaniv Rosner 已提交
6134
			       + port*4, 1);
Y
Yaniv Rosner 已提交
6135
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6136
			       port*4, 0);
Y
Yaniv Rosner 已提交
6137
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6138
			       port*4, 1);
Y
Yaniv Rosner 已提交
6139 6140
		}
		break;
E
Eilon Greenstein 已提交
6141

Y
Yaniv Rosner 已提交
6142 6143 6144 6145 6146
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
6147
	}
Y
Yaniv Rosner 已提交
6148
	return rc;
E
Eilon Greenstein 已提交
6149

E
Eilon Greenstein 已提交
6150 6151
}

6152
/* This function comes to reflect the actual link state read DIRECTLY from the
Y
Yaniv Rosner 已提交
6153 6154
 * HW
 */
Y
Yaniv Rosner 已提交
6155 6156
int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		    u8 is_serdes)
E
Eilon Greenstein 已提交
6157 6158
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6159
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
6160 6161
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
6162 6163 6164 6165 6166 6167 6168 6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187
	struct bnx2x_phy *int_phy = &params->phy[INT_PHY];

	if (CHIP_IS_E3(bp)) {
		u16 link_up;
		if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
		    > SPEED_10000) {
			/* Check 20G link */
			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
					1, &link_up);
			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
					1, &link_up);
			link_up &= (1<<2);
		} else {
			/* Check 10G link and below*/
			u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
			bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
					MDIO_WC_REG_GP2_STATUS_GP_2_1,
					&gp_status);
			gp_status = ((gp_status >> 8) & 0xf) |
				((gp_status >> 12) & 0xf);
			link_up = gp_status & (1 << lane);
		}
		if (!link_up)
			return -ESRCH;
	} else {
		CL22_RD_OVER_CL45(bp, int_phy,
Y
Yaniv Rosner 已提交
6188 6189 6190
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
Y
Yuval Mintz 已提交
6191
	/* Link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
6192 6193
	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return -ESRCH;
6194 6195 6196 6197
	}
	/* In XGXS loopback mode, do not check external PHY */
	if (params->loopback_mode == LOOPBACK_XGXS)
		return 0;
Y
Yaniv Rosner 已提交
6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208

	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
6209 6210
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
6211
			serdes_phy_type = ((params->phy[phy_index].media_type ==
Y
Yuval Mintz 已提交
6212 6213 6214
					    ETH_PHY_SFPP_10G_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_SFP_1G_FIBER) ||
Y
Yaniv Rosner 已提交
6215
					   (params->phy[phy_index].media_type ==
Y
Yaniv Rosner 已提交
6216 6217 6218
					    ETH_PHY_XFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_DA_TWINAX));
Y
Yaniv Rosner 已提交
6219 6220 6221 6222 6223

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
Yaniv Rosner 已提交
6224 6225 6226
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
6227
			}
Y
Yaniv Rosner 已提交
6228
		}
Y
Yaniv Rosner 已提交
6229
		break;
E
Eilon Greenstein 已提交
6230
	}
Y
Yaniv Rosner 已提交
6231 6232
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
6233 6234
	return -ESRCH;
}
E
Eilon Greenstein 已提交
6235

Y
Yaniv Rosner 已提交
6236 6237
static int bnx2x_link_initialize(struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
6238
{
Y
Yaniv Rosner 已提交
6239
	int rc = 0;
Y
Yaniv Rosner 已提交
6240 6241
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
6242
	/* In case of external phy existence, the line speed would be the
6243 6244 6245 6246
	 * 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
	 */
Y
Yaniv Rosner 已提交
6247
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
6248

6249
	/* Initialize the internal phy in case this is a direct board
Y
Yaniv Rosner 已提交
6250 6251 6252
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
6253 6254
	if (!USES_WARPCORE(bp))
		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
6255 6256 6257
	/* 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
6258

Y
Yaniv Rosner 已提交
6259 6260 6261 6262
	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];
6263 6264 6265
		if (vars->line_speed == SPEED_AUTO_NEG &&
		    (CHIP_IS_E1x(bp) ||
		     CHIP_IS_E2(bp)))
Y
Yaniv Rosner 已提交
6266
			bnx2x_set_parallel_detection(phy, params);
Y
Yaniv Rosner 已提交
6267 6268 6269 6270
			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(phy,
								 params,
								 vars);
E
Eilon Greenstein 已提交
6271 6272
	}

Y
Yaniv Rosner 已提交
6273
	/* Init external phy*/
Y
Yaniv Rosner 已提交
6274 6275 6276 6277 6278
	if (non_ext_phy) {
		if (params->phy[INT_PHY].supported &
		    SUPPORTED_FIBRE)
			vars->link_status |= LINK_STATUS_SERDES_LINK;
	} else {
Y
Yaniv Rosner 已提交
6279 6280
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
6281
			/* No need to initialize second phy in case of first
Y
Yaniv Rosner 已提交
6282 6283 6284
			 * phy only selection. In case of second phy, we do
			 * need to initialize the first phy, since they are
			 * connected.
6285
			 */
Y
Yaniv Rosner 已提交
6286 6287 6288 6289
			if (params->phy[phy_index].supported &
			    SUPPORTED_FIBRE)
				vars->link_status |= LINK_STATUS_SERDES_LINK;

Y
Yaniv Rosner 已提交
6290 6291 6292
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6293 6294
				DP(NETIF_MSG_LINK,
				   "Not initializing second phy\n");
Y
Yaniv Rosner 已提交
6295 6296
				continue;
			}
Y
Yaniv Rosner 已提交
6297 6298 6299 6300
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
Y
Yaniv Rosner 已提交
6301
	}
Y
Yaniv Rosner 已提交
6302 6303 6304 6305 6306 6307 6308 6309 6310
	/* 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
6311

Y
Yaniv Rosner 已提交
6312 6313 6314
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
Y
Yuval Mintz 已提交
6315
	/* Reset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
6316 6317
	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
6318 6319
}

Y
Yaniv Rosner 已提交
6320 6321
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
6322
{
Y
Yaniv Rosner 已提交
6323 6324 6325
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
6326 6327 6328 6329
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
6330
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6331 6332
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6333
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6334 6335
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6336
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
6337
}
E
Eilon Greenstein 已提交
6338

Y
Yaniv Rosner 已提交
6339 6340
static int bnx2x_update_link_down(struct link_params *params,
				  struct link_vars *vars)
E
Eilon Greenstein 已提交
6341 6342
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6343
	u8 port = params->port;
E
Eilon Greenstein 已提交
6344

Y
Yaniv Rosner 已提交
6345
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6346
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6347
	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Y
Yuval Mintz 已提交
6348
	/* Indicate no mac active */
Y
Yaniv Rosner 已提交
6349
	vars->mac_type = MAC_TYPE_NONE;
6350

Y
Yuval Mintz 已提交
6351
	/* Update shared memory */
Y
Yaniv Rosner 已提交
6352 6353
	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
			       LINK_STATUS_LINK_UP |
Y
Yaniv Rosner 已提交
6354
			       LINK_STATUS_PHYSICAL_LINK_FLAG |
Y
Yaniv Rosner 已提交
6355 6356 6357
			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
6358 6359 6360
			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
			       LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
			       LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
Y
Yaniv Rosner 已提交
6361 6362
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
6363

Y
Yuval Mintz 已提交
6364
	/* Activate nig drain */
Y
Yaniv Rosner 已提交
6365
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
6366

Y
Yuval Mintz 已提交
6367
	/* Disable emac */
6368 6369
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
6370

Y
Yuval Mintz 已提交
6371 6372
	usleep_range(10000, 20000);
	/* Reset BigMac/Xmac */
6373
	if (CHIP_IS_E1x(bp) ||
Y
Yaniv Rosner 已提交
6374 6375 6376
	    CHIP_IS_E2(bp))
		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);

6377
	if (CHIP_IS_E3(bp)) {
Y
Yuval Mintz 已提交
6378
		/* Prevent LPI Generation by chip */
Y
Yuval Mintz 已提交
6379 6380 6381 6382 6383 6384 6385 6386
		REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
		       0);
		REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
		       0);
		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
				      SHMEM_EEE_ACTIVE_BIT);

		bnx2x_update_mng_eee(params, vars->eee_status);
Y
Yaniv Rosner 已提交
6387 6388
		bnx2x_set_xmac_rxtx(params, 0);
		bnx2x_set_umac_rxtx(params, 0);
6389
	}
6390

E
Eilon Greenstein 已提交
6391 6392
	return 0;
}
Y
Yaniv Rosner 已提交
6393

Y
Yaniv Rosner 已提交
6394 6395 6396
static int bnx2x_update_link_up(struct link_params *params,
				struct link_vars *vars,
				u8 link_10g)
E
Eilon Greenstein 已提交
6397 6398
{
	struct bnx2x *bp = params->bp;
6399
	u8 phy_idx, port = params->port;
Y
Yaniv Rosner 已提交
6400
	int rc = 0;
E
Eilon Greenstein 已提交
6401

Y
Yaniv Rosner 已提交
6402 6403
	vars->link_status |= (LINK_STATUS_LINK_UP |
			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6404
	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6405

Y
Yaniv Rosner 已提交
6406 6407 6408
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
6409

Y
Yaniv Rosner 已提交
6410 6411 6412
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6413
	if (USES_WARPCORE(bp)) {
6414 6415 6416 6417 6418 6419 6420 6421 6422
		if (link_10g) {
			if (bnx2x_xmac_enable(params, vars, 0) ==
			    -ESRCH) {
				DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
				vars->link_up = 0;
				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
				vars->link_status &= ~LINK_STATUS_LINK_UP;
			}
		} else
6423
			bnx2x_umac_enable(params, vars, 0);
6424
		bnx2x_set_led(params, vars,
6425
			      LED_MODE_OPER, vars->line_speed);
Y
Yuval Mintz 已提交
6426 6427 6428 6429 6430 6431 6432 6433 6434 6435

		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
			DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
			REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
			       (params->port << 2), 1);
			REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
			REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
			       (params->port << 2), 0xfc20);
		}
6436 6437 6438 6439
	}
	if ((CHIP_IS_E1x(bp) ||
	     CHIP_IS_E2(bp))) {
		if (link_10g) {
Y
Yaniv Rosner 已提交
6440
			if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6441 6442 6443 6444 6445 6446
			    -ESRCH) {
				DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
				vars->link_up = 0;
				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
				vars->link_status &= ~LINK_STATUS_LINK_UP;
			}
6447

6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460
			bnx2x_set_led(params, vars,
				      LED_MODE_OPER, SPEED_10000);
		} else {
			rc = bnx2x_emac_program(params, vars);
			bnx2x_emac_enable(params, vars, 0);

			/* 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);
		}
Y
Yaniv Rosner 已提交
6461
	}
6462

Y
Yaniv Rosner 已提交
6463
	/* PBF - link up */
6464
	if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
6465 6466
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
6467

Y
Yuval Mintz 已提交
6468
	/* Disable drain */
Y
Yaniv Rosner 已提交
6469
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
6470

Y
Yuval Mintz 已提交
6471
	/* Update shared memory */
Y
Yaniv Rosner 已提交
6472
	bnx2x_update_mng(params, vars->link_status);
Y
Yuval Mintz 已提交
6473
	bnx2x_update_mng_eee(params, vars->eee_status);
6474 6475 6476 6477 6478 6479 6480
	/* Check remote fault */
	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
			bnx2x_check_half_open_conn(params, vars, 0);
			break;
		}
	}
Y
Yaniv Rosner 已提交
6481 6482
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
6483
}
6484
/* The bnx2x_link_update function should be called upon link
Y
Yaniv Rosner 已提交
6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495
 * interrupt.
 * Link is considered up as follows:
 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
 *   to be up
 * - SINGLE_MEDIA - The link between the 577xx and the external
 *   phy (XGXS) need to up as well as the external link of the
 *   phy (PHY_EXT1)
 * - DUAL_MEDIA - The link between the 577xx and the first
 *   external phy needs to be up, and at least one of the 2
 *   external phy link must be up.
 */
Y
Yaniv Rosner 已提交
6496
int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
6497
{
Y
Yaniv Rosner 已提交
6498 6499 6500
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
6501
	u8 link_10g_plus, phy_index;
Y
Yaniv Rosner 已提交
6502 6503
	u8 ext_phy_link_up = 0, cur_link_up;
	int rc = 0;
Y
Yaniv Rosner 已提交
6504 6505 6506
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
6507
	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
Y
Yaniv Rosner 已提交
6508 6509 6510 6511 6512 6513 6514 6515
	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;
6516
		phy_vars[phy_index].fault_detected = 0;
Y
Yuval Mintz 已提交
6517 6518
		/* different consideration, since vars holds inner state */
		phy_vars[phy_index].eee_status = vars->eee_status;
Y
Yaniv Rosner 已提交
6519
	}
E
Eilon Greenstein 已提交
6520

6521 6522 6523
	if (USES_WARPCORE(bp))
		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);

Y
Yaniv Rosner 已提交
6524 6525 6526
	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
6527

Y
Yaniv Rosner 已提交
6528
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Y
Yaniv Rosner 已提交
6529
				port*0x18) > 0);
Y
Yaniv Rosner 已提交
6530 6531 6532
	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,
Y
Yaniv Rosner 已提交
6533
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
6534

Y
Yaniv Rosner 已提交
6535 6536 6537
	DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
	  REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
E
Eilon Greenstein 已提交
6538

Y
Yuval Mintz 已提交
6539
	/* Disable emac */
6540 6541
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
6542

6543
	/* Step 1:
6544 6545
	 * Check external link change only for external phys, and apply
	 * priority selection between them in case the link on both phys
6546
	 * is up. Note that instead of the common vars, a temporary
6547 6548 6549
	 * vars argument is used since each phy may have different link/
	 * speed/duplex result
	 */
Y
Yaniv Rosner 已提交
6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565
	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
6566

Y
Yaniv Rosner 已提交
6567 6568 6569
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
6570 6571 6572 6573
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6574
			/* In this option, the first PHY makes sure to pass the
Y
Yaniv Rosner 已提交
6575 6576
			 * traffic through itself only.
			 * Its not clear how to reset the link on the second phy
6577
			 */
Y
Yaniv Rosner 已提交
6578 6579 6580
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6581
			/* In this option, the first PHY makes sure to pass the
Y
Yaniv Rosner 已提交
6582
			 * traffic through the second PHY.
6583
			 */
Y
Yaniv Rosner 已提交
6584 6585 6586
				active_external_phy = EXT_PHY2;
				break;
			default:
6587
			/* Link indication on both PHYs with the following cases
Y
Yaniv Rosner 已提交
6588 6589 6590 6591 6592 6593
			 * 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
6594
			 */
Y
Yaniv Rosner 已提交
6595 6596 6597 6598 6599 6600
				DP(NETIF_MSG_LINK, "Invalid link indication"
					   "mpc=0x%x. DISABLING LINK !!!\n",
					   params->multi_phy_config);
				ext_phy_link_up = 0;
				break;
			}
E
Eilon Greenstein 已提交
6601 6602
		}
	}
Y
Yaniv Rosner 已提交
6603
	prev_line_speed = vars->line_speed;
6604
	/* Step 2:
6605 6606 6607 6608 6609
	 * 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
	 */
Y
Yaniv Rosner 已提交
6610 6611 6612 6613
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
6614
	/* The INT_PHY flow control reside in the vars. This include the
Y
Yaniv Rosner 已提交
6615 6616 6617 6618 6619
	 * 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
6620
	 */
Y
Yaniv Rosner 已提交
6621 6622
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6623
		/* Link speed is taken from the XGXS. AN and FC result from
Y
Yaniv Rosner 已提交
6624
		 * the external phy.
E
Eilon Greenstein 已提交
6625
		 */
Y
Yaniv Rosner 已提交
6626
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
6627

6628
		/* if active_external_phy is first PHY and link is up - disable
Y
Yaniv Rosner 已提交
6629 6630 6631 6632
		 * disable TX on second external PHY
		 */
		if (active_external_phy == EXT_PHY1) {
			if (params->phy[EXT_PHY2].phy_specific_func) {
6633 6634
				DP(NETIF_MSG_LINK,
				   "Disabling TX on EXT_PHY2\n");
Y
Yaniv Rosner 已提交
6635 6636 6637 6638 6639 6640
				params->phy[EXT_PHY2].phy_specific_func(
					&params->phy[EXT_PHY2],
					params, DISABLE_TX);
			}
		}

Y
Yaniv Rosner 已提交
6641 6642 6643 6644 6645
		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;
Y
Yaniv Rosner 已提交
6646 6647
		else
			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Y
Yuval Mintz 已提交
6648 6649 6650

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

Y
Yaniv Rosner 已提交
6651 6652 6653
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
Yaniv Rosner 已提交
6654 6655 6656 6657 6658 6659 6660 6661 6662 6663 6664

	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
Yaniv Rosner 已提交
6665 6666 6667
	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);
6668
	/* Upon link speed change set the NIG into drain mode. Comes to
Y
Yaniv Rosner 已提交
6669 6670 6671
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */
E
Eilon Greenstein 已提交
6672

Y
Yaniv Rosner 已提交
6673 6674 6675 6676 6677 6678 6679 6680 6681
	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) {
Y
Yaniv Rosner 已提交
6682 6683
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
Y
Yuval Mintz 已提交
6684
			 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
6685 6686
		}
	}
Y
Yaniv Rosner 已提交
6687

Y
Yuval Mintz 已提交
6688
	/* Anything 10 and over uses the bmac */
6689
	link_10g_plus = (vars->line_speed >= SPEED_10000);
E
Eilon Greenstein 已提交
6690

6691
	bnx2x_link_int_ack(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6692

6693
	/* In case external phy link is up, and internal link is down
6694 6695 6696 6697 6698 6699
	 * (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
	 */
Y
Yaniv Rosner 已提交
6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713
	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;
Y
Yaniv Rosner 已提交
6714 6715 6716 6717

			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(
					&params->phy[INT_PHY], params,
Y
Yaniv Rosner 已提交
6718
						vars);
E
Eilon Greenstein 已提交
6719
		}
E
Eilon Greenstein 已提交
6720
	}
6721
	/* Link is up only if both local phy and external phy (in case of
6722
	 * non-direct board) are up and no fault detected on active PHY.
E
Eilon Greenstein 已提交
6723
	 */
Y
Yaniv Rosner 已提交
6724 6725
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
6726 6727
			  SINGLE_MEDIA_DIRECT(params)) &&
			 (phy_vars[active_external_phy].fault_detected == 0));
Y
Yaniv Rosner 已提交
6728

Y
Yaniv Rosner 已提交
6729 6730 6731 6732 6733 6734
	/* Update the PFC configuration in case it was changed */
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;
	else
		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;

Y
Yaniv Rosner 已提交
6735
	if (vars->link_up)
6736
		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6737
	else
Y
Yaniv Rosner 已提交
6738
		rc = bnx2x_update_link_down(params, vars);
E
Eilon Greenstein 已提交
6739

B
Barak Witkowski 已提交
6740 6741 6742 6743
	/* Update MCP link status was changed */
	if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
		bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);

E
Eilon Greenstein 已提交
6744
	return rc;
E
Eilon Greenstein 已提交
6745 6746
}

Y
Yaniv Rosner 已提交
6747 6748 6749 6750 6751 6752
/*****************************************************************************/
/*			    External Phy section			     */
/*****************************************************************************/
void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
{
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6753
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yuval Mintz 已提交
6754
	 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
6755
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6756
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
6757
}
E
Eilon Greenstein 已提交
6758

Y
Yaniv Rosner 已提交
6759 6760 6761 6762 6763
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);
E
Eilon Greenstein 已提交
6764

Y
Yaniv Rosner 已提交
6765 6766
	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
E
Eilon Greenstein 已提交
6767 6768
}

Y
Yaniv Rosner 已提交
6769 6770 6771
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
Y
Yaniv Rosner 已提交
6772
{
Y
Yaniv Rosner 已提交
6773 6774 6775
	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6776
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
6777
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6778
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Y
Yaniv Rosner 已提交
6779 6780
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
Y
Yaniv Rosner 已提交
6781
}
6782

Y
Yaniv Rosner 已提交
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 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835
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);
	}
}
Y
Yaniv Rosner 已提交
6836 6837 6838
static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					     struct bnx2x_phy *phy,
					     u8 port)
Y
Yaniv Rosner 已提交
6839
{
6840 6841
	u32 count = 0;
	u16 fw_ver1, fw_msgout;
Y
Yaniv Rosner 已提交
6842
	int rc = 0;
6843

Y
Yaniv Rosner 已提交
6844 6845 6846
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6847 6848 6849
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);
Y
Yaniv Rosner 已提交
6850

Y
Yuval Mintz 已提交
6851
	/* Ucode reboot and rst */
Y
Yaniv Rosner 已提交
6852
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6853 6854 6855
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);
Y
Yaniv Rosner 已提交
6856 6857

	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6858 6859
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
6860 6861 6862

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6863 6864 6865
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Y
Yaniv Rosner 已提交
6866 6867 6868

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6869 6870 6871
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
6872

6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888 6889 6890 6891 6892 6893 6894
	/* Delay 100ms per the PHY specifications */
	msleep(100);

	/* 8073 sometimes taking longer to download */
	do {
		count++;
		if (count > 300) {
			DP(NETIF_MSG_LINK,
				 "bnx2x_8073_8727_external_rom_boot port %x:"
				 "Download failed. fw version = 0x%x\n",
				 port, fw_ver1);
			rc = -EINVAL;
			break;
		}

		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_M8051_MSGOUT_REG, &fw_msgout);

Y
Yuval Mintz 已提交
6895
		 usleep_range(1000, 2000);
6896 6897 6898
	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
			((fw_msgout & 0xff) != 0x03 && (phy->type ==
			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
Y
Yaniv Rosner 已提交
6899 6900 6901

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6902 6903
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
6904
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
6905 6906 6907 6908 6909 6910 6911

	DP(NETIF_MSG_LINK,
		 "bnx2x_8073_8727_external_rom_boot port %x:"
		 "Download complete. fw version = 0x%x\n",
		 port, fw_ver1);

	return rc;
Y
Yaniv Rosner 已提交
6912 6913 6914 6915 6916
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
6917
static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
6918 6919 6920 6921 6922 6923
{
	/* This is only required for 8073A1, version 102 only */
	u16 val;

	/* Read 8073 HW revision*/
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6924 6925
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
6926 6927 6928 6929 6930 6931 6932

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6933 6934
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);
Y
Yaniv Rosner 已提交
6935 6936 6937 6938 6939 6940 6941 6942

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

	return 1;
}

Y
Yaniv Rosner 已提交
6943
static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
6944 6945 6946 6947
{
	u16 val, cnt, cnt1 ;

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6948 6949
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
6950 6951 6952 6953 6954 6955 6956

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

6957
	/* After loading the boot ROM and restarting Autoneg, poll
6958 6959
	 * Dev1, Reg $C820:
	 */
Y
Yaniv Rosner 已提交
6960 6961 6962

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6963 6964 6965
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
6966
		  /* If bit [14] = 0 or bit [13] = 0, continue on with
6967 6968 6969
		   * system initialization (XAUI work-around not required, as
		   * these bits indicate 2.5G or 1G link up).
		   */
Y
Yaniv Rosner 已提交
6970 6971 6972 6973
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
6974
			DP(NETIF_MSG_LINK, "bit 15 went off\n");
6975
			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
6976 6977 6978 6979
			 * MSB (bit15) goes to 1 (indicating that the XAUI
			 * workaround has completed), then continue on with
			 * system initialization.
			 */
Y
Yaniv Rosner 已提交
6980 6981 6982 6983 6984 6985 6986 6987 6988
			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;
				 }
Y
Yuval Mintz 已提交
6989
				 usleep_range(3000, 6000);
Y
Yaniv Rosner 已提交
6990 6991 6992
			}
			break;
		}
Y
Yuval Mintz 已提交
6993
		usleep_range(3000, 6000);
Y
Yaniv Rosner 已提交
6994 6995 6996 6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011
	}
	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);
}

Y
Yaniv Rosner 已提交
7012
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
7013 7014
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
7015
{
Y
Yaniv Rosner 已提交
7016
	u16 cl37_val;
Y
Yaniv Rosner 已提交
7017 7018
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
7019
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
7020 7021 7022

	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
Y
Yaniv Rosner 已提交
7023
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
	}
	if ((vars->ieee_fc &
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
	}
	DP(NETIF_MSG_LINK,
		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);

Y
Yaniv Rosner 已提交
7042
	bnx2x_cl45_write(bp, phy,
7043
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
Yaniv Rosner 已提交
7044
	msleep(500);
Y
Yaniv Rosner 已提交
7045 7046
}

Y
Yaniv Rosner 已提交
7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062
static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
				     struct link_params *params,
				     u32 action)
{
	struct bnx2x *bp = params->bp;
	switch (action) {
	case PHY_INIT:
		/* Enable LASI */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
		break;
	}
}

Y
Yaniv Rosner 已提交
7063 7064 7065
static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7066
{
Y
Yaniv Rosner 已提交
7067
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7068 7069 7070
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
7071

D
Dmitry Kravkov 已提交
7072 7073 7074 7075
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7076 7077
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7078
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7079

Y
Yaniv Rosner 已提交
7080
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
7081
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7082

Y
Yaniv Rosner 已提交
7083
	bnx2x_8073_specific_func(phy, params, PHY_INIT);
Y
Yaniv Rosner 已提交
7084
	bnx2x_8073_set_pause_cl37(params, phy, vars);
7085

Y
Yaniv Rosner 已提交
7086
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7087
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7088

Y
Yaniv Rosner 已提交
7089
	bnx2x_cl45_read(bp, phy,
7090
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7091

Y
Yaniv Rosner 已提交
7092
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7093

7094 7095 7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106 7107 7108
	/* Swap polarity if required - Must be done only in non-1G mode */
	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
		/* Configure the 8073 to swap _P and _N of the KR lines */
		DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
		/* 10G Rx/Tx and 1G Tx signal polarity swap */
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
				 (val | (3<<9)));
	}


Y
Yaniv Rosner 已提交
7109
	/* Enable CL37 BAM */
7110 7111 7112 7113
	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) {
7114

7115 7116 7117 7118 7119 7120 7121 7122
		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
7123 7124 7125 7126 7127 7128 7129 7130 7131 7132 7133 7134 7135
	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);
7136
			/* Note that 2.5G works only when used with 1G
L
Lucas De Marchi 已提交
7137
			 * advertisement
7138
			 */
Y
Yaniv Rosner 已提交
7139 7140 7141 7142 7143 7144 7145
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
7146

L
Lucas De Marchi 已提交
7147
		/* Note that 2.5G works only when used with 1G advertisement */
Y
Yaniv Rosner 已提交
7148 7149 7150 7151 7152 7153
		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);
	}
7154

Y
Yaniv Rosner 已提交
7155 7156
	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);
7157

Y
Yaniv Rosner 已提交
7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174
	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;
	}
7175

Y
Yaniv Rosner 已提交
7176 7177
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
7178

Y
Yaniv Rosner 已提交
7179 7180 7181 7182
	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)));
7183

Y
Yaniv Rosner 已提交
7184 7185
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7186

7187
	/* The SNR will improve about 2db by changing BW and FEE main
7188 7189 7190
	 * tap. Rest commands are executed after link is up
	 * Change FFE main cursor to 5 in EDC register
	 */
Y
Yaniv Rosner 已提交
7191 7192 7193 7194
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
7195

Y
Yaniv Rosner 已提交
7196 7197 7198 7199
	/* 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);
7200

Y
Yaniv Rosner 已提交
7201
	bnx2x_ext_phy_set_pause(params, phy, vars);
7202

Y
Yaniv Rosner 已提交
7203 7204 7205 7206 7207 7208
	/* 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
7209
}
Y
Yaniv Rosner 已提交
7210

Y
Yaniv Rosner 已提交
7211
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
7212 7213 7214 7215
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7216 7217 7218 7219
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
7220

Y
Yaniv Rosner 已提交
7221
	bnx2x_cl45_read(bp, phy,
7222
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
7223

Y
Yaniv Rosner 已提交
7224
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
7225

Y
Yuval Mintz 已提交
7226
	/* Clear the interrupt LASI status register */
Y
Yaniv Rosner 已提交
7227 7228 7229 7230 7231 7232 7233 7234 7235 7236 7237
	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,
7238
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Y
Yaniv Rosner 已提交
7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257

	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;
7258
	}
Y
Yaniv Rosner 已提交
7259 7260 7261 7262
	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);
7263

Y
Yaniv Rosner 已提交
7264 7265 7266 7267 7268 7269 7270
	/* 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);
7271

Y
Yaniv Rosner 已提交
7272 7273
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7274
		/* The SNR will improve about 2dbby changing the BW and FEE main
7275 7276 7277
		 * tap. The 1st write to change FFE main tap is set before
		 * restart AN. Change PLL Bandwidth in EDC register
		 */
7278
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7279 7280
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
7281

Y
Yaniv Rosner 已提交
7282
		/* Change CDR Bandwidth in EDC register */
7283
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7284 7285 7286 7287 7288 7289
				 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);
7290

Y
Yaniv Rosner 已提交
7291 7292 7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310
	/* 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);
7311
	}
Y
Yaniv Rosner 已提交
7312 7313

	if (link_up) {
7314 7315 7316 7317 7318 7319 7320
		/* Swap polarity if required */
		if (params->lane_config &
		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
			/* Configure the 8073 to swap P and N of the KR lines */
			bnx2x_cl45_read(bp, phy,
					MDIO_XS_DEVAD,
					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7321
			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7322 7323
			 * when it`s in 10G mode.
			 */
7324 7325 7326 7327 7328 7329 7330 7331 7332 7333 7334 7335
			if (vars->line_speed == SPEED_1000) {
				DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
					      "the 8073\n");
				val1 |= (1<<3);
			} else
				val1 &= ~(1<<3);

			bnx2x_cl45_write(bp, phy,
					 MDIO_XS_DEVAD,
					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
					 val1);
		}
Y
Yaniv Rosner 已提交
7336 7337
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
7338
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
7339
	}
7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351 7352

	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_LP_AUTO_NEG2, &val1);

		if (val1 & (1<<5))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
		if (val1 & (1<<7))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
	}

Y
Yaniv Rosner 已提交
7353
	return link_up;
Y
Yaniv Rosner 已提交
7354 7355
}

Y
Yaniv Rosner 已提交
7356 7357 7358 7359 7360
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
7361 7362 7363 7364
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7365 7366 7367
	DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
	   gpio_port);
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7368 7369
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
7370 7371 7372 7373 7374
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
7375 7376 7377
static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7378 7379
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7380
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
7381 7382
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7383
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
7384 7385 7386
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7387
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
7388

Y
Yaniv Rosner 已提交
7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400
	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
7401

Y
Yaniv Rosner 已提交
7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412
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);
7413

Y
Yaniv Rosner 已提交
7414 7415 7416
	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);
7417

Y
Yaniv Rosner 已提交
7418 7419
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7420

Y
Yaniv Rosner 已提交
7421 7422 7423 7424
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
7425

Y
Yaniv Rosner 已提交
7426 7427 7428 7429 7430
	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);
7431
	}
Y
Yaniv Rosner 已提交
7432 7433
	return link_up;
}
7434

Y
Yaniv Rosner 已提交
7435 7436 7437
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
7438 7439 7440 7441 7442
static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 pmd_dis)
{
	struct bnx2x *bp = params->bp;
7443
	/* Disable transmitter only for bootcodes which can enable it afterwards
7444 7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460
	 * (for D3 link)
	 */
	if (pmd_dis) {
		if (params->feature_config_flags &
		     FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
			DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
		else {
			DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
			return;
		}
	} else
		DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
}

7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473
static u8 bnx2x_get_gpio_port(struct link_params *params)
{
	u8 gpio_port;
	u32 swap_val, swap_override;
	struct bnx2x *bp = params->bp;
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
	return gpio_port ^ (swap_val && swap_override);
}
7474 7475 7476 7477

static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 tx_en)
Y
Yaniv Rosner 已提交
7478 7479
{
	u16 val;
7480 7481 7482
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	u32 tx_en_mode;
7483

Y
Yaniv Rosner 已提交
7484
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7485 7486 7487 7488 7489 7490 7491 7492
	tx_en_mode = REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region,
				     dev_info.port_hw_config[port].sfp_ctrl)) &
		PORT_HW_CFG_TX_LASER_MASK;
	DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
			   "mode = %x\n", tx_en, port, tx_en_mode);
	switch (tx_en_mode) {
	case PORT_HW_CFG_TX_LASER_MDIO:
7493

7494 7495 7496 7497
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_PHY_IDENTIFIER,
				&val);
Y
Yaniv Rosner 已提交
7498

7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529
		if (tx_en)
			val &= ~(1<<15);
		else
			val |= (1<<15);

		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER,
				 val);
	break;
	case PORT_HW_CFG_TX_LASER_GPIO0:
	case PORT_HW_CFG_TX_LASER_GPIO1:
	case PORT_HW_CFG_TX_LASER_GPIO2:
	case PORT_HW_CFG_TX_LASER_GPIO3:
	{
		u16 gpio_pin;
		u8 gpio_port, gpio_mode;
		if (tx_en)
			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
		else
			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;

		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
		gpio_port = bnx2x_get_gpio_port(params);
		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
		break;
	}
	default:
		DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
		break;
	}
Y
Yaniv Rosner 已提交
7530 7531
}

7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543
static void bnx2x_sfp_set_transmitter(struct link_params *params,
				      struct bnx2x_phy *phy,
				      u8 tx_en)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
	if (CHIP_IS_E3(bp))
		bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
	else
		bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
}

Y
Yaniv Rosner 已提交
7544 7545 7546
static int 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
7547 7548
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7549 7550
	u16 val = 0;
	u16 i;
Y
Yuval Mintz 已提交
7551
	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7552 7553
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7554 7555 7556
		return -EINVAL;
	}
	/* Set the read command byte count */
7557
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7558
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Y
Yaniv Rosner 已提交
7559
			 (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
7560

Y
Yaniv Rosner 已提交
7561 7562 7563
	/* Set the read command address */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Y
Yaniv Rosner 已提交
7564
			 addr);
Y
Yaniv Rosner 已提交
7565

Y
Yaniv Rosner 已提交
7566
	/* Activate read command */
7567
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7568
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Y
Yaniv Rosner 已提交
7569
			 0x2c0f);
Y
Yaniv Rosner 已提交
7570

Y
Yaniv Rosner 已提交
7571 7572 7573
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7574 7575
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7576 7577 7578 7579
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7580 7581
	}

Y
Yaniv Rosner 已提交
7582 7583 7584 7585 7586 7587
	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;
7588
	}
Y
Yaniv Rosner 已提交
7589

Y
Yaniv Rosner 已提交
7590 7591
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
7592
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7593 7594
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7595
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7596
	}
Y
Yaniv Rosner 已提交
7597

Y
Yaniv Rosner 已提交
7598 7599
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7600 7601
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7602 7603
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7604
			return 0;
Y
Yuval Mintz 已提交
7605
		 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
7606 7607
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
7608
}
E
Eilon Greenstein 已提交
7609

7610 7611 7612 7613 7614 7615 7616 7617 7618 7619 7620 7621 7622 7623 7624 7625 7626 7627 7628 7629 7630 7631
static void bnx2x_warpcore_power_module(struct link_params *params,
					struct bnx2x_phy *phy,
					u8 power)
{
	u32 pin_cfg;
	struct bnx2x *bp = params->bp;

	pin_cfg = (REG_RD(bp, params->shmem_base +
			  offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
			PORT_HW_CFG_E3_PWR_DIS_SHIFT;

	if (pin_cfg == PIN_CFG_NA)
		return;
	DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
		       power, pin_cfg);
	/* Low ==> corresponding SFP+ module is powered
	 * high ==> the SFP+ module is powered down
	 */
	bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
}
7632 7633 7634 7635 7636 7637 7638 7639 7640 7641
static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
						 struct link_params *params,
						 u16 addr, u8 byte_cnt,
						 u8 *o_buf)
{
	int rc = 0;
	u8 i, j = 0, cnt = 0;
	u32 data_array[4];
	u16 addr32;
	struct bnx2x *bp = params->bp;
Y
Yuval Mintz 已提交
7642 7643

	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7644 7645
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 16 bytes\n");
7646 7647 7648 7649 7650 7651
		return -EINVAL;
	}

	/* 4 byte aligned address */
	addr32 = addr & (~0x3);
	do {
7652 7653 7654 7655 7656 7657
		if (cnt == I2C_WA_PWR_ITER) {
			bnx2x_warpcore_power_module(params, phy, 0);
			/* Note that 100us are not enough here */
			usleep_range(1000,1000);
			bnx2x_warpcore_power_module(params, phy, 1);
		}
7658 7659 7660 7661 7662 7663 7664 7665 7666 7667 7668 7669 7670 7671
		rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
				    data_array);
	} while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));

	if (rc == 0) {
		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
			o_buf[j] = *((u8 *)data_array + i);
			j++;
		}
	}

	return rc;
}

Y
Yaniv Rosner 已提交
7672 7673 7674
static int 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
7675 7676
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7677
	u16 val, i;
Y
Yaniv Rosner 已提交
7678

Y
Yuval Mintz 已提交
7679
	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7680 7681
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7682 7683
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
7684

Y
Yaniv Rosner 已提交
7685 7686
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7687 7688 7689
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);
E
Eilon Greenstein 已提交
7690

Y
Yaniv Rosner 已提交
7691
	/* Set the read command byte count */
7692
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7693 7694 7695
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
7696

Y
Yaniv Rosner 已提交
7697
	/* Set the read command address */
7698
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7699 7700 7701
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
Y
Yaniv Rosner 已提交
7702
	/* Set the destination address */
7703
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7704 7705 7706
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7707

Y
Yaniv Rosner 已提交
7708
	/* Activate read command */
7709
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7710 7711 7712
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
7713
	/* Wait appropriate time for two-wire command to finish before
7714 7715
	 * polling the status register
	 */
Y
Yuval Mintz 已提交
7716
	 usleep_range(1000, 2000);
E
Eilon Greenstein 已提交
7717

Y
Yaniv Rosner 已提交
7718 7719
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
7720
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7721 7722
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7723 7724 7725 7726
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7727
	}
E
Eilon Greenstein 已提交
7728

Y
Yaniv Rosner 已提交
7729 7730 7731 7732 7733
	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));
7734
		return -EFAULT;
Y
Yaniv Rosner 已提交
7735
	}
7736

Y
Yaniv Rosner 已提交
7737 7738 7739
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7740 7741
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7742 7743
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
7744

Y
Yaniv Rosner 已提交
7745 7746
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7747 7748
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7749 7750
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7751
			return 0;
Y
Yuval Mintz 已提交
7752
		 usleep_range(1000, 2000);
7753 7754
	}

Y
Yaniv Rosner 已提交
7755
	return -EINVAL;
Y
Yaniv Rosner 已提交
7756 7757
}

Y
Yaniv Rosner 已提交
7758 7759 7760
int 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
7761
{
Y
Yuval Mintz 已提交
7762
	int rc = -EOPNOTSUPP;
Y
Yaniv Rosner 已提交
7763 7764 7765 7766 7767 7768 7769 7770 7771 7772
	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
						       byte_cnt, o_buf);
	break;
7773 7774 7775 7776
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
							   byte_cnt, o_buf);
	break;
Y
Yaniv Rosner 已提交
7777 7778
	}
	return rc;
Y
Yaniv Rosner 已提交
7779 7780
}

Y
Yaniv Rosner 已提交
7781 7782 7783
static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			      struct link_params *params,
			      u16 *edc_mode)
Y
Yaniv Rosner 已提交
7784 7785
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7786
	u32 sync_offset = 0, phy_idx, media_types;
Y
Yuval Mintz 已提交
7787
	u8 val[2], check_limiting_mode = 0;
Y
Yaniv Rosner 已提交
7788
	*edc_mode = EDC_MODE_LIMITING;
7789

Y
Yaniv Rosner 已提交
7790
	phy->media_type = ETH_PHY_UNSPECIFIED;
Y
Yaniv Rosner 已提交
7791 7792 7793 7794
	/* First check for copper cable */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
					 SFP_EEPROM_CON_TYPE_ADDR,
Y
Yuval Mintz 已提交
7795 7796
					 2,
					 (u8 *)val) != 0) {
Y
Yaniv Rosner 已提交
7797 7798 7799
		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
		return -EINVAL;
	}
7800

Y
Yuval Mintz 已提交
7801
	switch (val[0]) {
Y
Yaniv Rosner 已提交
7802 7803 7804
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
Y
Yaniv Rosner 已提交
7805
		phy->media_type = ETH_PHY_DA_TWINAX;
7806
		/* Check if its active cable (includes SFP+ module)
7807 7808
		 * of passive cable
		 */
Y
Yaniv Rosner 已提交
7809 7810 7811 7812
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
7813
					       &copper_module_type) != 0) {
Y
Yaniv Rosner 已提交
7814 7815 7816 7817 7818
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
7819

Y
Yaniv Rosner 已提交
7820 7821 7822 7823 7824 7825
		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) {
7826 7827
				DP(NETIF_MSG_LINK,
				   "Passive Copper cable detected\n");
Y
Yaniv Rosner 已提交
7828 7829 7830
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
		} else {
7831 7832 7833
			DP(NETIF_MSG_LINK,
			   "Unknown copper-cable-type 0x%x !!!\n",
			   copper_module_type);
Y
Yaniv Rosner 已提交
7834 7835 7836
			return -EINVAL;
		}
		break;
7837
	}
Y
Yaniv Rosner 已提交
7838 7839
	case SFP_EEPROM_CON_TYPE_VAL_LC:
		check_limiting_mode = 1;
Y
Yuval Mintz 已提交
7840 7841 7842 7843 7844 7845 7846 7847 7848 7849 7850 7851 7852 7853 7854 7855 7856 7857
		if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
			       SFP_EEPROM_COMP_CODE_LR_MASK |
			       SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
			DP(NETIF_MSG_LINK, "1G Optic module detected\n");
			phy->media_type = ETH_PHY_SFP_1G_FIBER;
			phy->req_line_speed = SPEED_1000;
		} else {
			int idx, cfg_idx = 0;
			DP(NETIF_MSG_LINK, "10G Optic module detected\n");
			for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
				if (params->phy[idx].type == phy->type) {
					cfg_idx = LINK_CONFIG_IDX(idx);
					break;
				}
			}
			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
			phy->req_line_speed = params->req_line_speed[cfg_idx];
		}
Y
Yaniv Rosner 已提交
7858 7859 7860
		break;
	default:
		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
Y
Yuval Mintz 已提交
7861
			 val[0]);
Y
Yaniv Rosner 已提交
7862
		return -EINVAL;
7863
	}
Y
Yaniv Rosner 已提交
7864 7865 7866 7867 7868 7869 7870 7871 7872 7873 7874 7875 7876 7877 7878 7879
	sync_offset = params->shmem_base +
		offsetof(struct shmem_region,
			 dev_info.port_hw_config[params->port].media_type);
	media_types = REG_RD(bp, sync_offset);
	/* Update media type for non-PMF sync */
	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
		if (&(params->phy[phy_idx]) == phy) {
			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
			media_types |= ((phy->media_type &
					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
			break;
		}
	}
	REG_WR(bp, sync_offset, media_types);
Y
Yaniv Rosner 已提交
7880 7881 7882 7883 7884 7885 7886
	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) {
7887 7888
			DP(NETIF_MSG_LINK,
			   "Failed to read Option field from module EEPROM\n");
Y
Yaniv Rosner 已提交
7889 7890 7891 7892 7893 7894
			return -EINVAL;
		}
		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = EDC_MODE_LINEAR;
		else
			*edc_mode = EDC_MODE_LIMITING;
7895
	}
Y
Yaniv Rosner 已提交
7896
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7897
	return 0;
Y
Yaniv Rosner 已提交
7898
}
7899
/* This function read the relevant field from the module (SFP+), and verify it
7900 7901
 * is compliant with this board
 */
Y
Yaniv Rosner 已提交
7902 7903
static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				   struct link_params *params)
Y
Yaniv Rosner 已提交
7904 7905
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7906 7907
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
7908 7909
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
7910
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
7911 7912 7913 7914 7915 7916 7917 7918
	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
7919

Y
Yaniv Rosner 已提交
7920 7921 7922 7923 7924 7925 7926 7927
	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)) {
7928 7929
			DP(NETIF_MSG_LINK,
			   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
7930 7931 7932 7933 7934
			return -EINVAL;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
7935 7936
		DP(NETIF_MSG_LINK,
		   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
7937 7938
		return -EINVAL;
	}
7939

Y
Yaniv Rosner 已提交
7940 7941
	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
7942 7943 7944 7945
	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
7946

Y
Yuval Mintz 已提交
7947
	/* Format the warning message */
Y
Yaniv Rosner 已提交
7948 7949
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
7950 7951 7952
					 SFP_EEPROM_VENDOR_NAME_ADDR,
					 SFP_EEPROM_VENDOR_NAME_SIZE,
					 (u8 *)vendor_name))
Y
Yaniv Rosner 已提交
7953 7954 7955 7956 7957
		vendor_name[0] = '\0';
	else
		vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
7958 7959 7960
					 SFP_EEPROM_PART_NO_ADDR,
					 SFP_EEPROM_PART_NO_SIZE,
					 (u8 *)vendor_pn))
Y
Yaniv Rosner 已提交
7961 7962 7963 7964
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

7965 7966 7967
	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
			      " Port %d from %s part number %s\n",
			 params->port, vendor_name, vendor_pn);
7968 7969 7970
	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
		phy->flags |= FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
7971
	return -EINVAL;
Y
Yaniv Rosner 已提交
7972
}
7973

Y
Yaniv Rosner 已提交
7974 7975
static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						 struct link_params *params)
7976

E
Eilon Greenstein 已提交
7977
{
Y
Yaniv Rosner 已提交
7978
	u8 val;
E
Eilon Greenstein 已提交
7979
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7980
	u16 timeout;
7981
	/* Initialization time after hot-plug may take up to 300ms for
7982 7983 7984
	 * some phys type ( e.g. JDSU )
	 */

Y
Yaniv Rosner 已提交
7985 7986 7987
	for (timeout = 0; timeout < 60; timeout++) {
		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
		    == 0) {
7988 7989 7990
			DP(NETIF_MSG_LINK,
			   "SFP+ module initialization took %d ms\n",
			   timeout * 5);
Y
Yaniv Rosner 已提交
7991 7992
			return 0;
		}
Y
Yuval Mintz 已提交
7993
		usleep_range(5000, 10000);
Y
Yaniv Rosner 已提交
7994 7995 7996
	}
	return -EINVAL;
}
E
Eilon Greenstein 已提交
7997

Y
Yaniv Rosner 已提交
7998 7999 8000 8001 8002
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;
8003
	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
Y
Yaniv Rosner 已提交
8004 8005
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
8006 8007
	 * 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
Y
Yaniv Rosner 已提交
8008 8009
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
8010
	 *
Y
Yaniv Rosner 已提交
8011 8012 8013 8014 8015
	 * 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;
8016
	if (is_power_up)
Y
Yaniv Rosner 已提交
8017 8018
		val = (1<<4);
	else
8019
		/* Set GPIO control to OUTPUT, and set the power bit
Y
Yaniv Rosner 已提交
8020 8021
		 * to according to the is_power_up
		 */
8022
		val = (1<<1);
E
Eilon Greenstein 已提交
8023

Y
Yaniv Rosner 已提交
8024 8025 8026 8027 8028
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
8029

Y
Yaniv Rosner 已提交
8030 8031 8032
static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8033 8034
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
8035

Y
Yaniv Rosner 已提交
8036
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8037 8038 8039
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
Y
Yaniv Rosner 已提交
8040 8041 8042 8043
	DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
		 cur_limiting_mode);

	if (edc_mode == EDC_MODE_LIMITING) {
Y
Yaniv Rosner 已提交
8044
		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
8045
		bnx2x_cl45_write(bp, phy,
8046
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
8047 8048 8049
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
8050

Y
Yaniv Rosner 已提交
8051
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
8052

8053
		/* Changing to LRM mode takes quite few seconds. So do it only
8054 8055
		 * if current mode is limiting (default is LRM)
		 */
Y
Yaniv Rosner 已提交
8056 8057
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
8058

Y
Yaniv Rosner 已提交
8059
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8060 8061 8062
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
Y
Yaniv Rosner 已提交
8063
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8064 8065 8066
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
Y
Yaniv Rosner 已提交
8067
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8068 8069 8070
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
Y
Yaniv Rosner 已提交
8071
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8072 8073 8074
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
E
Eilon Greenstein 已提交
8075
	}
Y
Yaniv Rosner 已提交
8076
	return 0;
E
Eilon Greenstein 已提交
8077 8078
}

Y
Yaniv Rosner 已提交
8079 8080 8081
static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8082
{
Y
Yaniv Rosner 已提交
8083 8084
	u16 phy_identifier;
	u16 rom_ver2_val;
8085
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8086 8087 8088
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);
Y
Yaniv Rosner 已提交
8089

Y
Yaniv Rosner 已提交
8090
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8091 8092 8093
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
8094

8095
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8096 8097 8098
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
Y
Yaniv Rosner 已提交
8099 8100
	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8101 8102 8103
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
8104

Y
Yaniv Rosner 已提交
8105
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8106 8107 8108
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
8109

Y
Yaniv Rosner 已提交
8110
	return 0;
Y
Yaniv Rosner 已提交
8111
}
Y
Yaniv Rosner 已提交
8112

Y
Yaniv Rosner 已提交
8113 8114 8115 8116 8117
static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
				     struct link_params *params,
				     u32 action)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8118
	u16 val;
Y
Yaniv Rosner 已提交
8119 8120
	switch (action) {
	case DISABLE_TX:
8121
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8122 8123 8124
		break;
	case ENABLE_TX:
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8125
			bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8126
		break;
Y
Yaniv Rosner 已提交
8127 8128 8129 8130 8131 8132 8133 8134 8135 8136 8137 8138 8139 8140 8141 8142 8143 8144 8145 8146 8147 8148 8149 8150 8151 8152 8153 8154 8155 8156 8157 8158 8159 8160
	case PHY_INIT:
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
				 (1<<2) | (1<<5));
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
				 0);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
		/* 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);
		if (phy->flags & FLAGS_NOC)
			val |= (3<<5);
		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
		 * status which reflect SFP+ module over-current
		 */
		if (!(phy->flags & FLAGS_NOC))
			val &= 0xff8f; /* Reset bits 4-6 */
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
				 val);

		/* 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);
		break;
Y
Yaniv Rosner 已提交
8161 8162 8163 8164 8165 8166 8167
	default:
		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

8168
static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8169 8170 8171 8172 8173 8174 8175 8176 8177 8178 8179 8180 8181 8182 8183 8184 8185 8186 8187 8188 8189 8190 8191 8192 8193 8194 8195 8196 8197 8198 8199
					   u8 gpio_mode)
{
	struct bnx2x *bp = params->bp;

	u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].sfp_ctrl)) &
		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
	switch (fault_led_gpio) {
	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
		return;
	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
	{
		u8 gpio_port = bnx2x_get_gpio_port(params);
		u16 gpio_pin = fault_led_gpio -
			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
		DP(NETIF_MSG_LINK, "Set fault module-detected led "
				   "pin %x port %x mode %x\n",
			       gpio_pin, gpio_port, gpio_mode);
		bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
	}
	break;
	default:
		DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
			       fault_led_gpio);
	}
}

8200 8201 8202 8203 8204 8205 8206 8207 8208 8209 8210 8211 8212 8213 8214 8215 8216 8217 8218 8219 8220 8221
static void bnx2x_set_e3_module_fault_led(struct link_params *params,
					  u8 gpio_mode)
{
	u32 pin_cfg;
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	pin_cfg = (REG_RD(bp, params->shmem_base +
			 offsetof(struct shmem_region,
				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
	DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
		       gpio_mode, pin_cfg);
	bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
}

static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
					   u8 gpio_mode)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
	if (CHIP_IS_E3(bp)) {
8222
		/* Low ==> if SFP+ module is supported otherwise
8223 8224 8225 8226 8227 8228 8229
		 * High ==> if SFP+ module is not on the approved vendor list
		 */
		bnx2x_set_e3_module_fault_led(params, gpio_mode);
	} else
		bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
}

8230 8231 8232
static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
				    struct link_params *params)
{
8233
	struct bnx2x *bp = params->bp;
8234
	bnx2x_warpcore_power_module(params, phy, 0);
8235 8236 8237 8238 8239 8240 8241
	/* Put Warpcore in low power mode */
	REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);

	/* Put LCPLL in low power mode */
	REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
	REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8242 8243
}

Y
Yaniv Rosner 已提交
8244 8245 8246 8247 8248 8249 8250 8251 8252 8253 8254 8255
static void bnx2x_power_sfp_module(struct link_params *params,
				   struct bnx2x_phy *phy,
				   u8 power)
{
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);

	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		bnx2x_8727_power_module(params->bp, phy, power);
		break;
8256 8257 8258 8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271 8272 8273 8274 8275 8276 8277 8278 8279 8280 8281 8282 8283 8284
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		bnx2x_warpcore_power_module(params, phy, power);
		break;
	default:
		break;
	}
}
static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
					     struct bnx2x_phy *phy,
					     u16 edc_mode)
{
	u16 val = 0;
	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
	struct bnx2x *bp = params->bp;

	u8 lane = bnx2x_get_warpcore_lane(phy, params);
	/* This is a global register which controls all lanes */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
	val &= ~(0xf << (lane << 2));

	switch (edc_mode) {
	case EDC_MODE_LINEAR:
	case EDC_MODE_LIMITING:
		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
		break;
	case EDC_MODE_PASSIVE_DAC:
		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
		break;
Y
Yaniv Rosner 已提交
8285 8286 8287
	default:
		break;
	}
8288 8289 8290 8291 8292 8293 8294 8295

	val |= (mode << (lane << 2));
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
	/* A must read */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);

8296 8297 8298
	/* Restart microcode to re-read the new mode */
	bnx2x_warpcore_reset_lane(bp, phy, 1);
	bnx2x_warpcore_reset_lane(bp, phy, 0);
8299

Y
Yaniv Rosner 已提交
8300 8301 8302 8303 8304 8305 8306 8307 8308 8309 8310 8311 8312 8313
}

static void bnx2x_set_limiting_mode(struct link_params *params,
				    struct bnx2x_phy *phy,
				    u16 edc_mode)
{
	switch (phy->type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
		break;
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
		break;
8314 8315 8316
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
		break;
Y
Yaniv Rosner 已提交
8317 8318 8319
	}
}

Y
Yaniv Rosner 已提交
8320 8321
int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
			       struct link_params *params)
Y
Yaniv Rosner 已提交
8322 8323
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8324
	u16 edc_mode;
Y
Yaniv Rosner 已提交
8325
	int rc = 0;
Y
Yaniv Rosner 已提交
8326

Y
Yaniv Rosner 已提交
8327 8328 8329
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
8330

Y
Yaniv Rosner 已提交
8331 8332
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);
Y
Yaniv Rosner 已提交
8333 8334
	/* Power up module */
	bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
8335 8336 8337
	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
		return -EINVAL;
Y
Yaniv Rosner 已提交
8338
	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Y
Yuval Mintz 已提交
8339
		/* Check SFP+ module compatibility */
Y
Yaniv Rosner 已提交
8340 8341 8342
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
8343 8344 8345
		bnx2x_set_sfp_module_fault_led(params,
					       MISC_REGISTERS_GPIO_HIGH);

Y
Yaniv Rosner 已提交
8346 8347 8348
		/* Check if need to power down the SFP+ module */
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
Y
Yaniv Rosner 已提交
8349
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Y
Yaniv Rosner 已提交
8350
			bnx2x_power_sfp_module(params, phy, 0);
Y
Yaniv Rosner 已提交
8351 8352 8353 8354
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
8355
		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8356
	}
Y
Yaniv Rosner 已提交
8357

8358
	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8359 8360
	 * is done automatically
	 */
Y
Yaniv Rosner 已提交
8361 8362
	bnx2x_set_limiting_mode(params, phy, edc_mode);

8363
	/* Enable transmit for this module if the module is approved, or
Y
Yaniv Rosner 已提交
8364 8365 8366 8367 8368
	 * 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)
8369
		bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8370
	else
8371
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8372

Y
Yaniv Rosner 已提交
8373 8374 8375 8376
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
8377 8378
{
	struct bnx2x *bp = params->bp;
8379
	struct bnx2x_phy *phy;
Y
Yaniv Rosner 已提交
8380
	u32 gpio_val;
8381 8382 8383 8384 8385 8386 8387 8388 8389 8390 8391 8392
	u8 gpio_num, gpio_port;
	if (CHIP_IS_E3(bp))
		phy = &params->phy[INT_PHY];
	else
		phy = &params->phy[EXT_PHY1];

	if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
				      params->port, &gpio_num, &gpio_port) ==
	    -EINVAL) {
		DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
		return;
	}
E
Eilon Greenstein 已提交
8393

Y
Yaniv Rosner 已提交
8394
	/* Set valid module led off */
8395
	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
E
Eilon Greenstein 已提交
8396

8397
	/* Get current gpio val reflecting module plugged in / out*/
8398
	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8399

Y
Yaniv Rosner 已提交
8400 8401
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
Y
Yuval Mintz 已提交
8402 8403 8404
		bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
		bnx2x_set_aer_mmd(params, phy);

Y
Yaniv Rosner 已提交
8405
		bnx2x_power_sfp_module(params, phy, 1);
8406
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8407
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8408
				   gpio_port);
Y
Yuval Mintz 已提交
8409
		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
Y
Yaniv Rosner 已提交
8410
			bnx2x_sfp_module_detection(phy, params);
Y
Yuval Mintz 已提交
8411 8412 8413 8414 8415 8416 8417 8418 8419 8420 8421 8422 8423 8424 8425 8426 8427
			if (CHIP_IS_E3(bp)) {
				u16 rx_tx_in_reset;
				/* In case WC is out of reset, reconfigure the
				 * link speed while taking into account 1G
				 * module limitation.
				 */
				bnx2x_cl45_read(bp, phy,
						MDIO_WC_DEVAD,
						MDIO_WC_REG_DIGITAL5_MISC6,
						&rx_tx_in_reset);
				if (!rx_tx_in_reset) {
					bnx2x_warpcore_reset_lane(bp, phy, 1);
					bnx2x_warpcore_config_sfi(phy, params);
					bnx2x_warpcore_reset_lane(bp, phy, 0);
				}
			}
		} else {
Y
Yaniv Rosner 已提交
8428
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Y
Yuval Mintz 已提交
8429
		}
Y
Yaniv Rosner 已提交
8430 8431
	} else {
		u32 val = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
8432 8433 8434
				 offsetof(struct shmem_region, dev_info.
					  port_feature_config[params->port].
					  config));
8435
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8436
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8437
				   gpio_port);
8438
		/* Module was plugged out.
8439 8440
		 * Disable transmit for this module
		 */
Y
Yaniv Rosner 已提交
8441
		phy->media_type = ETH_PHY_NOT_PRESENT;
Y
Yaniv Rosner 已提交
8442 8443 8444
		if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
		    CHIP_IS_E3(bp))
8445
			bnx2x_sfp_set_transmitter(params, phy, 0);
8446
	}
Y
Yaniv Rosner 已提交
8447
}
8448

8449 8450 8451 8452 8453 8454 8455 8456 8457 8458 8459 8460 8461 8462 8463 8464 8465 8466 8467 8468 8469 8470 8471
/******************************************************************/
/*		Used by 8706 and 8727                             */
/******************************************************************/
static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
				 struct bnx2x_phy *phy,
				 u16 alarm_status_offset,
				 u16 alarm_ctrl_offset)
{
	u16 alarm_status, val;
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, alarm_status_offset,
			&alarm_status);
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, alarm_status_offset,
			&alarm_status);
	/* Mask or enable the fault event. */
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
	if (alarm_status & (1<<0))
		val &= ~(1<<0);
	else
		val |= (1<<0);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
}
Y
Yaniv Rosner 已提交
8472 8473 8474 8475 8476 8477 8478 8479 8480 8481 8482 8483
/******************************************************************/
/*		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*/
8484
	bnx2x_cl45_read(bp, phy,
8485
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8486

8487 8488
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
8489

Y
Yuval Mintz 已提交
8490
	/* Clear LASI indication*/
Y
Yaniv Rosner 已提交
8491
	bnx2x_cl45_read(bp, phy,
8492
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
8493
	bnx2x_cl45_read(bp, phy,
8494
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
8495
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8496 8497

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8498 8499 8500 8501 8502 8503 8504
			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);
8505

Y
Yaniv Rosner 已提交
8506 8507
	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);
8508
	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8509
	 * are set, or if the autoneg bit 1 is set
Y
Yaniv Rosner 已提交
8510 8511 8512 8513 8514 8515 8516
	 */
	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;
8517
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8518
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
8519
	}
8520 8521 8522 8523

	/* Capture 10G link fault. Read twice to clear stale value. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8524
			    MDIO_PMA_LASI_TXSTAT, &val1);
8525
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8526
			    MDIO_PMA_LASI_TXSTAT, &val1);
8527 8528 8529 8530
		if (val1 & (1<<0))
			vars->fault_detected = 1;
	}

8531
	return link_up;
Y
Yaniv Rosner 已提交
8532
}
8533

Y
Yaniv Rosner 已提交
8534 8535 8536 8537
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8538 8539 8540
				 struct link_params *params,
				 struct link_vars *vars)
{
8541 8542
	u32 tx_en_mode;
	u16 cnt, val, tmp1;
Y
Yaniv Rosner 已提交
8543
	struct bnx2x *bp = params->bp;
8544

Y
Yaniv Rosner 已提交
8545
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
8546
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
8547 8548 8549
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8550
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8551

Y
Yaniv Rosner 已提交
8552 8553 8554 8555 8556 8557
	/* 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;
Y
Yuval Mintz 已提交
8558
		usleep_range(10000, 20000);
Y
Yaniv Rosner 已提交
8559 8560 8561 8562 8563 8564 8565 8566 8567 8568 8569 8570 8571 8572 8573 8574 8575 8576 8577 8578 8579 8580 8581
	}
	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");
Y
Yaniv Rosner 已提交
8582

Y
Yaniv Rosner 已提交
8583 8584 8585 8586
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
8587
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8588 8589 8590
				 0);
		/* Arm LASI for link and Tx fault. */
		bnx2x_cl45_write(bp, phy,
8591
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Y
Yaniv Rosner 已提交
8592
	} else {
L
Lucas De Marchi 已提交
8593
		/* Force 1Gbps using autoneg with 1G advertisement */
Y
Yaniv Rosner 已提交
8594

Y
Yaniv Rosner 已提交
8595 8596 8597 8598
		/* 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);
Y
Yaniv Rosner 已提交
8599

L
Lucas De Marchi 已提交
8600
		/* Enable Full-Duplex advertisement on CL37 */
Y
Yaniv Rosner 已提交
8601 8602 8603 8604 8605 8606 8607 8608
		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));
Y
Yaniv Rosner 已提交
8609

Y
Yaniv Rosner 已提交
8610 8611 8612 8613
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
8614
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8615 8616
				 0x0400);
		bnx2x_cl45_write(bp, phy,
8617
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
8618 8619 8620
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8621

8622
	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8623 8624 8625 8626 8627 8628 8629 8630 8631 8632 8633 8634 8635 8636 8637 8638 8639
	 * power mode, if TX Laser is disabled
	 */

	tx_en_mode = REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region,
				dev_info.port_hw_config[params->port].sfp_ctrl))
			& PORT_HW_CFG_TX_LASER_MASK;

	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
		bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
		tmp1 |= 0x1;
		bnx2x_cl45_write(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
	}

Y
Yaniv Rosner 已提交
8640 8641
	return 0;
}
Y
Yaniv Rosner 已提交
8642

Y
Yaniv Rosner 已提交
8643 8644 8645
static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8646 8647 8648
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
Y
Yaniv Rosner 已提交
8649

Y
Yaniv Rosner 已提交
8650 8651 8652 8653 8654 8655 8656 8657 8658 8659
/******************************************************************/
/*			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);
}
8660

Y
Yaniv Rosner 已提交
8661 8662 8663 8664 8665 8666
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);
8667

Y
Yaniv Rosner 已提交
8668 8669 8670
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8671

Y
Yaniv Rosner 已提交
8672 8673
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8674 8675 8676
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8677

Y
Yaniv Rosner 已提交
8678
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8679 8680
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
8681

Y
Yaniv Rosner 已提交
8682
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8683 8684 8685
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
8686

Y
Yuval Mintz 已提交
8687
	/* Wait for 150ms for microcode load */
Y
Yaniv Rosner 已提交
8688 8689 8690 8691
	msleep(150);

	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8692 8693
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
8694 8695 8696

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
Yaniv Rosner 已提交
8697 8698
}

Y
Yaniv Rosner 已提交
8699
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8700 8701 8702 8703
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8704 8705
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8706 8707
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8708 8709 8710 8711 8712 8713 8714
				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;
		}
8715 8716
	}
	return link_up;
Y
Yaniv Rosner 已提交
8717 8718
}

Y
Yaniv Rosner 已提交
8719

Y
Yaniv Rosner 已提交
8720 8721 8722
static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8723 8724
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8725
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8726

Y
Yaniv Rosner 已提交
8727
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8728
	bnx2x_wait_reset_complete(bp, phy, params);
8729

Y
Yaniv Rosner 已提交
8730
	bnx2x_8726_external_rom_boot(phy, params);
8731

8732
	/* Need to call module detected on initialization since the module
8733 8734 8735 8736
	 * detection triggered by actual module insertion might occur before
	 * driver is loaded, and when driver is loaded, it reset all
	 * registers, including the transmitter
	 */
Y
Yaniv Rosner 已提交
8737
	bnx2x_sfp_module_detection(phy, params);
8738

Y
Yaniv Rosner 已提交
8739 8740 8741 8742 8743 8744 8745
	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,
8746
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Y
Yaniv Rosner 已提交
8747
		bnx2x_cl45_write(bp, phy,
8748
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8749 8750 8751 8752 8753 8754 8755 8756 8757 8758 8759 8760 8761 8762 8763 8764 8765 8766 8767 8768
				 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);
8769
		/* Enable RX-ALARM control to receive interrupt for 1G speed
8770 8771
		 * change
		 */
Y
Yaniv Rosner 已提交
8772
		bnx2x_cl45_write(bp, phy,
8773
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Y
Yaniv Rosner 已提交
8774
		bnx2x_cl45_write(bp, phy,
8775
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8776
				 0x400);
8777

Y
Yaniv Rosner 已提交
8778 8779
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
8780
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8781 8782
	}

Y
Yaniv Rosner 已提交
8783 8784 8785
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8786 8787
		DP(NETIF_MSG_LINK,
		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Y
Yaniv Rosner 已提交
8788 8789 8790 8791 8792 8793
			 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]);
8794

Y
Yaniv Rosner 已提交
8795 8796 8797 8798 8799
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
8800

Y
Yaniv Rosner 已提交
8801
	return 0;
8802

Y
Yaniv Rosner 已提交
8803 8804
}

Y
Yaniv Rosner 已提交
8805 8806
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
8807
{
Y
Yaniv Rosner 已提交
8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818
	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			  */
/******************************************************************/
8819 8820 8821 8822 8823 8824 8825 8826 8827 8828 8829 8830 8831 8832 8833 8834 8835 8836 8837 8838 8839 8840 8841 8842 8843 8844 8845 8846 8847 8848 8849 8850 8851 8852 8853 8854 8855 8856 8857 8858 8859 8860 8861 8862 8863 8864 8865

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
Yaniv Rosner 已提交
8866 8867 8868 8869
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
8870
	/* The PHY reset is controlled by GPIO 1. Fake the port number
Y
Yaniv Rosner 已提交
8871
	 * to cancel the swap done in set_gpio()
8872
	 */
Y
Yaniv Rosner 已提交
8873 8874 8875 8876 8877
	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,
Y
Yaniv Rosner 已提交
8878
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8879
}
Y
Yaniv Rosner 已提交
8880

Y
Yuval Mintz 已提交
8881 8882 8883 8884 8885 8886 8887 8888 8889 8890 8891 8892 8893 8894 8895 8896 8897 8898 8899 8900 8901 8902 8903 8904 8905 8906 8907 8908 8909 8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931 8932 8933 8934 8935 8936 8937
static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
				    struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u16 tmp1, val;
	/* Set option 1G speed */
	if ((phy->req_line_speed == SPEED_1000) ||
	    (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
		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);
		/* 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);
		}
	} 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
Yaniv Rosner 已提交
8938 8939 8940
static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8941
{
8942
	u32 tx_en_mode;
Y
Yaniv Rosner 已提交
8943
	u16 tmp1, mod_abs, tmp2;
Y
Yaniv Rosner 已提交
8944
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8945
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
Yaniv Rosner 已提交
8946

8947
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8948

Y
Yaniv Rosner 已提交
8949
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
Y
Yaniv Rosner 已提交
8950

Y
Yaniv Rosner 已提交
8951
	bnx2x_8727_specific_func(phy, params, PHY_INIT);
8952
	/* Initially configure MOD_ABS to interrupt when module is
8953 8954
	 * presence( bit 8)
	 */
Y
Yaniv Rosner 已提交
8955 8956
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
8957
	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
8958 8959 8960
	 * When the EDC is off it locks onto a reference clock and avoids
	 * becoming 'lost'
	 */
8961 8962 8963
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
8964 8965
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
8966

8967 8968 8969
	/* Enable/Disable PHY transmitter output */
	bnx2x_set_disable_pmd_transmit(params, phy, 0);

Y
Yaniv Rosner 已提交
8970 8971 8972 8973 8974 8975
	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,
8976
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Y
Yaniv Rosner 已提交
8977

Y
Yuval Mintz 已提交
8978
	bnx2x_8727_config_speed(phy, params);
Y
Yaniv Rosner 已提交
8979

Y
Yaniv Rosner 已提交
8980

Y
Yaniv Rosner 已提交
8981 8982 8983 8984 8985 8986 8987 8988 8989
	/* 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
Yaniv Rosner 已提交
8990

Y
Yaniv Rosner 已提交
8991 8992 8993 8994
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
Yaniv Rosner 已提交
8995

8996
	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8997 8998 8999 9000 9001 9002 9003 9004 9005 9006 9007 9008 9009 9010 9011 9012
	 * power mode, if TX Laser is disabled
	 */
	tx_en_mode = REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region,
				dev_info.port_hw_config[params->port].sfp_ctrl))
			& PORT_HW_CFG_TX_LASER_MASK;

	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {

		DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
		bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
		tmp2 |= 0x1000;
		tmp2 &= 0xFFEF;
		bnx2x_cl45_write(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9013 9014 9015 9016 9017 9018
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				&tmp2);
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
				 (tmp2 & 0x7fff));
9019 9020
	}

Y
Yaniv Rosner 已提交
9021
	return 0;
Y
Yaniv Rosner 已提交
9022 9023
}

Y
Yaniv Rosner 已提交
9024 9025
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
Yaniv Rosner 已提交
9026 9027
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9028 9029 9030 9031 9032 9033
	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,
Y
Yaniv Rosner 已提交
9034 9035
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Y
Yaniv Rosner 已提交
9036
	if (mod_abs & (1<<8)) {
Y
Yaniv Rosner 已提交
9037

Y
Yaniv Rosner 已提交
9038
		/* Module is absent */
9039 9040
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is absent\n");
Y
Yaniv Rosner 已提交
9041
		phy->media_type = ETH_PHY_NOT_PRESENT;
9042
		/* 1. Set mod_abs to detect next module
9043 9044 9045 9046 9047 9048
		 *    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'.
		 */
9049 9050 9051
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
9052
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9053 9054
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9055

9056
		/* Clear RX alarm since it stays up as long as
9057 9058
		 * the mod_abs wasn't changed
		 */
Y
Yaniv Rosner 已提交
9059
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
9060
				MDIO_PMA_DEVAD,
9061
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9062

Y
Yaniv Rosner 已提交
9063 9064
	} else {
		/* Module is present */
9065 9066
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is present\n");
9067
		/* First disable transmitter, and if the module is ok, the
9068 9069 9070 9071 9072 9073
		 * module_detection will enable it
		 * 1. Set mod_abs to detect next module absent event ( bit 8)
		 * 2. Restore the default polarity of the OPRXLOS signal and
		 * this signal will then correctly indicate the presence or
		 * absence of the Rx signal. (bit 9)
		 */
9074 9075 9076
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
Yaniv Rosner 已提交
9077
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9078 9079
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9080

9081
		/* Clear RX alarm since it stays up as long as the mod_abs
9082 9083 9084 9085
		 * wasn't changed. This is need to be done before calling the
		 * module detection, otherwise it will clear* the link update
		 * alarm
		 */
Y
Yaniv Rosner 已提交
9086 9087
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
9088
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9089 9090


Y
Yaniv Rosner 已提交
9091 9092
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9093
			bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9094 9095 9096 9097 9098

		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
Yuval Mintz 已提交
9099 9100 9101

		/* Reconfigure link speed based on module type limitations */
		bnx2x_8727_config_speed(phy, params);
Y
Yaniv Rosner 已提交
9102
	}
Y
Yaniv Rosner 已提交
9103 9104

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9105 9106
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
Y
Yaniv Rosner 已提交
9107 9108
}

Y
Yaniv Rosner 已提交
9109 9110 9111 9112
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
9113 9114
{
	struct bnx2x *bp = params->bp;
9115
	u8 link_up = 0, oc_port = params->port;
Y
Yaniv Rosner 已提交
9116
	u16 link_status = 0;
Y
Yaniv Rosner 已提交
9117 9118 9119 9120
	u16 rx_alarm_status, lasi_ctrl, val1;

	/* If PHY is not initialized, do not check link status */
	bnx2x_cl45_read(bp, phy,
9121
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
9122 9123 9124 9125
			&lasi_ctrl);
	if (!lasi_ctrl)
		return 0;

9126
	/* Check the LASI on Rx */
Y
Yaniv Rosner 已提交
9127
	bnx2x_cl45_read(bp, phy,
9128
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Y
Yaniv Rosner 已提交
9129 9130 9131 9132
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

9133 9134
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
9135

Y
Yaniv Rosner 已提交
9136
	bnx2x_cl45_read(bp, phy,
9137
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
9138 9139 9140 9141 9142 9143 9144

	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);

9145
	/* If a module is present and there is need to check
Y
Yaniv Rosner 已提交
9146 9147 9148 9149 9150 9151 9152 9153 9154
	 * 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) {
9155 9156
			if (!CHIP_IS_E1x(bp))
				oc_port = BP_PATH(bp) + (params->port << 1);
9157 9158 9159
			DP(NETIF_MSG_LINK,
			   "8727 Power fault has been detected on port %d\n",
			   oc_port);
Y
Yaniv Rosner 已提交
9160 9161 9162 9163 9164 9165 9166
			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",
9167
			 oc_port);
9168
			/* Disable all RX_ALARMs except for mod_abs */
Y
Yaniv Rosner 已提交
9169 9170
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
9171
					 MDIO_PMA_LASI_RXCTRL, (1<<5));
Y
Yaniv Rosner 已提交
9172 9173 9174 9175 9176 9177 9178 9179 9180 9181 9182 9183

			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,
9184
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9185 9186 9187 9188 9189 9190 9191 9192 9193
			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,
9194
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
9195 9196
				 ((1<<5) | (1<<2)));
	}
9197 9198 9199 9200 9201

	if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
		DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
		bnx2x_sfp_set_transmitter(params, phy, 1);
	} else {
Y
Yaniv Rosner 已提交
9202 9203 9204 9205 9206 9207 9208 9209
		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);

9210
	/* Bits 0..2 --> speed detected,
9211 9212
	 * Bits 13..15--> link is down
	 */
Y
Yaniv Rosner 已提交
9213 9214 9215
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
9216 9217
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
Y
Yaniv Rosner 已提交
9218 9219 9220 9221 9222 9223 9224 9225 9226 9227
	} 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);
	}
9228 9229 9230 9231

	/* Capture 10G link fault. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9232
			    MDIO_PMA_LASI_TXSTAT, &val1);
9233 9234

		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9235
			    MDIO_PMA_LASI_TXSTAT, &val1);
9236 9237 9238 9239 9240 9241

		if (val1 & (1<<0)) {
			vars->fault_detected = 1;
		}
	}

9242
	if (link_up) {
Y
Yaniv Rosner 已提交
9243
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9244 9245 9246
		vars->duplex = DUPLEX_FULL;
		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
	}
Y
Yaniv Rosner 已提交
9247 9248 9249 9250 9251 9252

	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);
9253
		/* In case of dual-media board and 1G, power up the XAUI side,
Y
Yaniv Rosner 已提交
9254 9255 9256 9257 9258 9259 9260 9261 9262 9263
		 * 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
Yaniv Rosner 已提交
9264
	return link_up;
Y
Yaniv Rosner 已提交
9265
}
Y
Yaniv Rosner 已提交
9266

Y
Yaniv Rosner 已提交
9267 9268
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
9269 9270
{
	struct bnx2x *bp = params->bp;
9271 9272 9273 9274

	/* Enable/Disable PHY transmitter output */
	bnx2x_set_disable_pmd_transmit(params, phy, 1);

Y
Yaniv Rosner 已提交
9275
	/* Disable Transmitter */
9276
	bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9277
	/* Clear LASI */
9278
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Y
Yaniv Rosner 已提交
9279

Y
Yaniv Rosner 已提交
9280
}
9281

Y
Yaniv Rosner 已提交
9282 9283 9284 9285
/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9286 9287
					    struct bnx2x *bp,
					    u8 port)
Y
Yaniv Rosner 已提交
9288
{
Y
Yaniv Rosner 已提交
9289
	u16 val, fw_ver1, fw_ver2, cnt;
Y
Yaniv Rosner 已提交
9290

9291 9292
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9293
		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9294 9295 9296 9297 9298 9299 9300 9301 9302 9303 9304 9305 9306 9307 9308 9309 9310 9311 9312 9313 9314 9315 9316
				phy->ver_addr);
	} else {
		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
		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);

		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, port, 0,
						  phy->ver_addr);
			return;
		}
9317

Y
Yaniv Rosner 已提交
9318

9319 9320 9321 9322 9323 9324 9325 9326 9327 9328 9329 9330 9331 9332 9333 9334 9335
		/* 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, port, 0,
						  phy->ver_addr);
			return;
		}
Y
Yaniv Rosner 已提交
9336

9337 9338 9339 9340
		/* lower 16 bits of the register SPI_FW_STATUS */
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
		/* upper 16 bits of register SPI_FW_STATUS */
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
Y
Yaniv Rosner 已提交
9341

9342
		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Y
Yaniv Rosner 已提交
9343
					  phy->ver_addr);
Y
Yaniv Rosner 已提交
9344 9345
	}

Y
Yaniv Rosner 已提交
9346 9347 9348
}
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
9349
{
9350
	u16 val, offset;
Y
Yaniv Rosner 已提交
9351

Y
Yaniv Rosner 已提交
9352 9353 9354
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9355
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Y
Yaniv Rosner 已提交
9356 9357
	val &= 0xFE00;
	val |= 0x0092;
9358

Y
Yaniv Rosner 已提交
9359 9360
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9361
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
9362

Y
Yaniv Rosner 已提交
9363 9364
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9365
			 MDIO_PMA_REG_8481_LED1_MASK,
Y
Yaniv Rosner 已提交
9366
			 0x80);
Y
Yaniv Rosner 已提交
9367

Y
Yaniv Rosner 已提交
9368 9369
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9370
			 MDIO_PMA_REG_8481_LED2_MASK,
Y
Yaniv Rosner 已提交
9371
			 0x18);
Y
Yaniv Rosner 已提交
9372

Y
Yaniv Rosner 已提交
9373
	/* Select activity source by Tx and Rx, as suggested by PHY AE */
Y
Yaniv Rosner 已提交
9374 9375
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9376
			 MDIO_PMA_REG_8481_LED3_MASK,
Y
Yaniv Rosner 已提交
9377 9378 9379 9380 9381
			 0x0006);

	/* Select the closest activity blink rate to that in 10/100/1000 */
	bnx2x_cl45_write(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9382
			MDIO_PMA_REG_8481_LED3_BLINK,
Y
Yaniv Rosner 已提交
9383 9384
			0);

9385 9386
	/* Configure the blink rate to ~15.9 Hz */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9387
			MDIO_PMA_DEVAD,
9388 9389
			MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
Y
Yaniv Rosner 已提交
9390

9391 9392 9393 9394 9395 9396 9397 9398
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
	else
		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;

	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, offset, &val);
	val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
Y
Yaniv Rosner 已提交
9399
	bnx2x_cl45_write(bp, phy,
9400
			 MDIO_PMA_DEVAD, offset, val);
Y
Yaniv Rosner 已提交
9401

Y
Yaniv Rosner 已提交
9402 9403 9404 9405
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
9406 9407
}

Y
Yaniv Rosner 已提交
9408 9409 9410 9411 9412 9413 9414 9415 9416 9417 9418 9419 9420 9421 9422 9423 9424 9425 9426 9427 9428 9429 9430
static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
				      struct link_params *params,
				      u32 action)
{
	struct bnx2x *bp = params->bp;
	switch (action) {
	case PHY_INIT:
		if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
			/* Save spirom version */
			bnx2x_save_848xx_spirom_version(phy, bp, params->port);
		}
		/* This phy uses the NIG latch mechanism since link indication
		 * arrives through its LED4 and not via its LASI signal, so we
		 * get steady signal instead of clear on read
		 */
		bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
			      1 << NIG_LATCH_BC_ENABLE_MI_INT);

		bnx2x_848xx_set_led(bp, phy);
		break;
	}
}

Y
Yaniv Rosner 已提交
9431 9432 9433
static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
				       struct link_params *params,
				       struct link_vars *vars)
Y
Yaniv Rosner 已提交
9434
{
9435
	struct bnx2x *bp = params->bp;
9436
	u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
Y
Yaniv Rosner 已提交
9437

Y
Yaniv Rosner 已提交
9438
	bnx2x_848xx_specific_func(phy, params, PHY_INIT);
Y
Yaniv Rosner 已提交
9439 9440
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
9441

Y
Yaniv Rosner 已提交
9442 9443 9444 9445
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
9446

Y
Yaniv Rosner 已提交
9447 9448 9449 9450 9451 9452 9453 9454 9455 9456 9457
	bnx2x_ext_phy_set_pause(params, phy, vars);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD,
			MDIO_AN_REG_8481_LEGACY_AN_ADV,
			&an_10_100_val);
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
			&autoneg_val);
	/* Disable forced speed */
	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
Y
Yaniv Rosner 已提交
9458

Y
Yaniv Rosner 已提交
9459 9460 9461 9462 9463 9464 9465 9466 9467 9468 9469
	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
9470

Y
Yaniv Rosner 已提交
9471 9472 9473
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
9474

9475
	/* set 100 speed advertisement */
9476
	if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Y
Yaniv Rosner 已提交
9477
	     (phy->speed_cap_mask &
9478
	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9479
	       PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Y
Yaniv Rosner 已提交
9480 9481 9482
		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
9483

Y
Yaniv Rosner 已提交
9484 9485 9486 9487 9488 9489
		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) &&
9490 9491 9492 9493 9494 9495
	     (phy->speed_cap_mask &
	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
	       PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
	     (phy->supported &
	      (SUPPORTED_10baseT_Half |
	       SUPPORTED_10baseT_Full)))) {
Y
Yaniv Rosner 已提交
9496 9497 9498 9499 9500 9501
		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
9502

Y
Yaniv Rosner 已提交
9503
	/* Only 10/100 are allowed to work in FORCE mode */
9504 9505 9506 9507
	if ((phy->req_line_speed == SPEED_100) &&
	    (phy->supported &
	     (SUPPORTED_100baseT_Half |
	      SUPPORTED_100baseT_Full))) {
Y
Yaniv Rosner 已提交
9508 9509 9510 9511 9512
		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));
9513 9514
		/* The PHY needs this set even for forced link. */
		an_10_100_val |= (1<<8) | (1<<7);
Y
Yaniv Rosner 已提交
9515 9516
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
9517 9518 9519 9520
	if ((phy->req_line_speed == SPEED_10) &&
	    (phy->supported &
	     (SUPPORTED_10baseT_Half |
	      SUPPORTED_10baseT_Full))) {
Y
Yaniv Rosner 已提交
9521 9522 9523 9524 9525 9526
		/* 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
9527

Y
Yaniv Rosner 已提交
9528 9529 9530
	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
9531

Y
Yaniv Rosner 已提交
9532 9533
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
9534

9535
	/* Always write this if this is not 84833.
Y
Yaniv Rosner 已提交
9536 9537 9538 9539 9540
	 * For 84833, write it only when it's a forced speed.
	 */
	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
		((autoneg_val & (1<<12)) == 0))
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9541 9542
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
9543

Y
Yaniv Rosner 已提交
9544 9545 9546 9547
	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)) {
9548 9549
			DP(NETIF_MSG_LINK, "Advertising 10G\n");
			/* Restart autoneg for 10G*/
Y
Yaniv Rosner 已提交
9550

9551 9552 9553 9554
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
					&an_10g_val);
9555
			bnx2x_cl45_write(bp, phy,
9556 9557 9558 9559 9560 9561
					 MDIO_AN_DEVAD,
					 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
					 an_10g_val | 0x1000);
			bnx2x_cl45_write(bp, phy,
					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
					 0x3200);
Y
Yaniv Rosner 已提交
9562
	} else
Y
Yaniv Rosner 已提交
9563 9564 9565 9566
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);
Y
Yaniv Rosner 已提交
9567

Y
Yaniv Rosner 已提交
9568
	return 0;
Y
Yaniv Rosner 已提交
9569 9570
}

Y
Yaniv Rosner 已提交
9571 9572 9573
static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
9574 9575
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9576 9577
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
9578
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
9579

Y
Yaniv Rosner 已提交
9580 9581
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
9582
	bnx2x_wait_reset_complete(bp, phy, params);
9583

Y
Yaniv Rosner 已提交
9584 9585 9586
	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
9587

9588 9589 9590
#define PHY84833_CMDHDLR_WAIT 300
#define PHY84833_CMDHDLR_MAX_ARGS 5
static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
9591
				   struct link_params *params,
9592
		   u16 fw_cmd,
Y
Yuval Mintz 已提交
9593
		   u16 cmd_args[], int argc)
Y
Yaniv Rosner 已提交
9594
{
Y
Yuval Mintz 已提交
9595
	int idx;
Y
Yaniv Rosner 已提交
9596 9597 9598 9599
	u16 val;
	struct bnx2x *bp = params->bp;
	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9600 9601 9602
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9603
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9604 9605
				MDIO_84833_CMD_HDLR_STATUS, &val);
		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
Y
Yaniv Rosner 已提交
9606
			break;
Y
Yuval Mintz 已提交
9607
		 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
9608
	}
9609 9610
	if (idx >= PHY84833_CMDHDLR_WAIT) {
		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
Y
Yaniv Rosner 已提交
9611 9612 9613
		return -EINVAL;
	}

9614
	/* Prepare argument(s) and issue command */
Y
Yuval Mintz 已提交
9615
	for (idx = 0; idx < argc; idx++) {
9616 9617 9618 9619
		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
				MDIO_84833_CMD_HDLR_DATA1 + idx,
				cmd_args[idx]);
	}
Y
Yaniv Rosner 已提交
9620
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9621 9622
			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9623
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9624 9625 9626
				MDIO_84833_CMD_HDLR_STATUS, &val);
		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
Y
Yaniv Rosner 已提交
9627
			break;
Y
Yuval Mintz 已提交
9628
		 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
9629
	}
9630 9631 9632
	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
		DP(NETIF_MSG_LINK, "FW cmd failed.\n");
Y
Yaniv Rosner 已提交
9633 9634
		return -EINVAL;
	}
9635
	/* Gather returning data */
Y
Yuval Mintz 已提交
9636
	for (idx = 0; idx < argc; idx++) {
9637 9638 9639 9640
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
				MDIO_84833_CMD_HDLR_DATA1 + idx,
				&cmd_args[idx]);
	}
Y
Yaniv Rosner 已提交
9641
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9642 9643
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
Y
Yaniv Rosner 已提交
9644 9645 9646
	return 0;
}

9647

9648 9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660 9661 9662 9663 9664 9665 9666 9667 9668 9669
static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	u32 pair_swap;
	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
	int status;
	struct bnx2x *bp = params->bp;

	/* Check for configuration. */
	pair_swap = REG_RD(bp, params->shmem_base +
			   offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;

	if (pair_swap == 0)
		return 0;

	/* Only the second argument is used for this command */
	data[1] = (u16)pair_swap;

	status = bnx2x_84833_cmd_hdlr(phy, params,
Y
Yuval Mintz 已提交
9670
		PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9671 9672 9673 9674 9675 9676
	if (status == 0)
		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);

	return status;
}

9677 9678 9679
static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 chip_id)
9680 9681 9682 9683 9684 9685 9686 9687 9688 9689 9690 9691 9692 9693 9694 9695 9696 9697 9698 9699 9700 9701 9702 9703 9704 9705 9706 9707 9708 9709 9710 9711
{
	u32 reset_pin[2];
	u32 idx;
	u8 reset_gpios;
	if (CHIP_IS_E3(bp)) {
		/* Assume that these will be GPIOs, not EPIOs. */
		for (idx = 0; idx < 2; idx++) {
			/* Map config param to register bit. */
			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
			reset_pin[idx] = (reset_pin[idx] &
				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
			reset_pin[idx] = (1 << reset_pin[idx]);
		}
		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
	} else {
		/* E2, look from diff place of shmem. */
		for (idx = 0; idx < 2; idx++) {
			reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
				offsetof(struct shmem_region,
				dev_info.port_hw_config[0].default_cfg));
			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
			reset_pin[idx] = (1 << reset_pin[idx]);
		}
		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
	}

9712 9713 9714 9715 9716 9717 9718 9719 9720 9721 9722 9723 9724
	return reset_gpios;
}

static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
				struct link_params *params)
{
	struct bnx2x *bp = params->bp;
	u8 reset_gpios;
	u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
				offsetof(struct shmem2_region,
				other_shmem_base_addr));

	u32 shmem_base_path[2];
9725 9726 9727 9728 9729 9730 9731 9732 9733

	/* Work around for 84833 LED failure inside RESET status */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);

9734 9735 9736 9737 9738 9739 9740 9741 9742 9743 9744 9745 9746 9747
	shmem_base_path[0] = params->shmem_base;
	shmem_base_path[1] = other_shmem_base_addr;

	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
						  params->chip_id);

	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
	udelay(10);
	DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
		reset_gpios);

	return 0;
}

Y
Yuval Mintz 已提交
9748 9749 9750 9751 9752 9753 9754 9755 9756 9757 9758 9759 9760
static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	int rc;
	struct bnx2x *bp = params->bp;
	u16 cmd_args = 0;

	DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");

	/* Prevent Phy from working in EEE and advertising it */
	rc = bnx2x_84833_cmd_hdlr(phy, params,
		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Y
Yuval Mintz 已提交
9761
	if (rc) {
Y
Yuval Mintz 已提交
9762 9763 9764 9765
		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
		return rc;
	}

Y
Yuval Mintz 已提交
9766
	return bnx2x_eee_disable(phy, params, vars);
Y
Yuval Mintz 已提交
9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777 9778
}

static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	int rc;
	struct bnx2x *bp = params->bp;
	u16 cmd_args = 1;

	rc = bnx2x_84833_cmd_hdlr(phy, params,
		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
Y
Yuval Mintz 已提交
9779
	if (rc) {
Y
Yuval Mintz 已提交
9780 9781 9782 9783
		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
		return rc;
	}

Y
Yuval Mintz 已提交
9784
	return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
Y
Yuval Mintz 已提交
9785 9786
}

Y
Yaniv Rosner 已提交
9787
#define PHY84833_CONSTANT_LATENCY 1193
Y
Yaniv Rosner 已提交
9788 9789 9790
static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
9791 9792
{
	struct bnx2x *bp = params->bp;
9793
	u8 port, initialize = 1;
Y
Yaniv Rosner 已提交
9794
	u16 val;
9795 9796
	u32 actual_phy_selection, cms_enable;
	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Y
Yaniv Rosner 已提交
9797
	int rc = 0;
9798

Y
Yuval Mintz 已提交
9799
	 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
9800

9801
	if (!(CHIP_IS_E1x(bp)))
9802 9803 9804
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
9805 9806 9807 9808 9809 9810

	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
	} else {
9811
		/* MDIO reset */
Y
Yaniv Rosner 已提交
9812 9813 9814
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x8000);
9815 9816 9817 9818 9819 9820
	}

	bnx2x_wait_reset_complete(bp, phy, params);

	/* Wait for GPHY to come out of reset */
	msleep(50);
9821
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9822
		/* BCM84823 requires that XGXS links up first @ 10G for normal
9823 9824 9825 9826 9827 9828 9829 9830 9831
		 * behavior.
		 */
		u16 temp;
		temp = vars->line_speed;
		vars->line_speed = SPEED_10000;
		bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
		bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
		vars->line_speed = temp;
	}
Y
Yaniv Rosner 已提交
9832 9833

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Y
Yaniv Rosner 已提交
9834
			MDIO_CTL_REG_84823_MEDIA, &val);
Y
Yaniv Rosner 已提交
9835 9836 9837 9838 9839
	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);
9840 9841 9842 9843 9844 9845 9846 9847

	if (CHIP_IS_E3(bp)) {
		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
	} else {
		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
	}
Y
Yaniv Rosner 已提交
9848 9849 9850 9851 9852

	actual_phy_selection = bnx2x_phy_selection(params);

	switch (actual_phy_selection) {
	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
L
Lucas De Marchi 已提交
9853
		/* Do nothing. Essentially this is like the priority copper */
Y
Yaniv Rosner 已提交
9854 9855 9856 9857 9858 9859 9860 9861 9862 9863 9864 9865 9866 9867 9868 9869 9870 9871 9872
		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,
Y
Yaniv Rosner 已提交
9873
			 MDIO_CTL_REG_84823_MEDIA, val);
Y
Yaniv Rosner 已提交
9874 9875 9876
	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
		   params->multi_phy_config, val);

9877 9878
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		bnx2x_84833_pair_swap_cfg(phy, params, vars);
Y
Yaniv Rosner 已提交
9879

9880 9881
		/* Keep AutogrEEEn disabled. */
		cmd_args[0] = 0x0;
9882 9883 9884 9885
		cmd_args[1] = 0x0;
		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
		rc = bnx2x_84833_cmd_hdlr(phy, params,
Y
Yuval Mintz 已提交
9886 9887
			PHY84833_CMD_SET_EEE_MODE, cmd_args,
			PHY84833_CMDHDLR_MAX_ARGS);
Y
Yuval Mintz 已提交
9888
		if (rc)
9889 9890
			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
	}
Y
Yaniv Rosner 已提交
9891 9892 9893
	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
9894
		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Y
Yaniv Rosner 已提交
9895 9896 9897
	/* 84833 PHY has a better feature and doesn't need to support this. */
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		cms_enable = REG_RD(bp, params->shmem_base +
9898 9899 9900 9901
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].default_cfg)) &
			PORT_HW_CFG_ENABLE_CMS_MASK;

Y
Yaniv Rosner 已提交
9902 9903 9904 9905 9906 9907 9908 9909 9910
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
		if (cms_enable)
			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
		else
			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
	}
9911

Y
Yuval Mintz 已提交
9912 9913 9914 9915
	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_FW_REV, &val);

	/* Configure EEE support */
9916 9917 9918
	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
	    bnx2x_eee_has_cap(params)) {
Y
Yuval Mintz 已提交
9919
		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
Y
Yuval Mintz 已提交
9920
		if (rc) {
Y
Yuval Mintz 已提交
9921 9922 9923 9924 9925 9926 9927 9928 9929 9930 9931 9932
			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
			bnx2x_8483x_disable_eee(phy, params, vars);
			return rc;
		}

		if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
		    (params->eee_mode & EEE_MODE_ADV_LPI) &&
		    (bnx2x_eee_calc_timer(params) ||
		     !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
			rc = bnx2x_8483x_enable_eee(phy, params, vars);
		else
			rc = bnx2x_8483x_disable_eee(phy, params, vars);
Y
Yuval Mintz 已提交
9933
		if (rc) {
Y
Yuval Mintz 已提交
9934 9935 9936 9937 9938 9939 9940
			DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
			return rc;
		}
	} else {
		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
	}

9941 9942 9943 9944 9945 9946 9947 9948 9949 9950
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		/* Bring PHY out of super isolate mode as the final step. */
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
		val &= ~MDIO_84833_SUPER_ISOLATE;
		bnx2x_cl45_write(bp, phy,
				MDIO_CTL_DEVAD,
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
	}
Y
Yaniv Rosner 已提交
9951
	return rc;
Y
Yaniv Rosner 已提交
9952
}
Y
Yaniv Rosner 已提交
9953

Y
Yaniv Rosner 已提交
9954
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
9955 9956
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
9957 9958
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9959
	u16 val, val1, val2;
Y
Yaniv Rosner 已提交
9960
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
9961

9962

Y
Yaniv Rosner 已提交
9963 9964 9965 9966 9967
	/* Check 10G-BaseT link status */
	/* Check PMD signal ok */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, 0xFFFA, &val1);
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
9968
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Y
Yaniv Rosner 已提交
9969 9970
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
9971

Y
Yaniv Rosner 已提交
9972 9973
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
9974
		vars->line_speed = SPEED_10000;
9975
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
9976 9977 9978 9979
		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
9980

Y
Yaniv Rosner 已提交
9981 9982 9983 9984
		/* 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
9985

Y
Yaniv Rosner 已提交
9986 9987 9988 9989 9990
		/* Get legacy speed operation status */
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD,
				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
				&legacy_status);
Y
Yaniv Rosner 已提交
9991

9992 9993
		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
		   legacy_status);
Y
Yaniv Rosner 已提交
9994
		link_up = ((legacy_status & (1<<11)) == (1<<11));
9995 9996 9997 9998 9999 10000 10001 10002 10003 10004 10005
		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: Treat as link down */
			vars->line_speed = 0;
			link_up = 0;
		}
Y
Yaniv Rosner 已提交
10006

10007
		if (link_up) {
Y
Yaniv Rosner 已提交
10008 10009 10010 10011
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
10012

10013 10014 10015 10016
			DP(NETIF_MSG_LINK,
			   "Link is up in %dMbps, is_duplex_full= %d\n",
			   vars->line_speed,
			   (vars->duplex == DUPLEX_FULL));
Y
Yaniv Rosner 已提交
10017 10018 10019 10020 10021 10022 10023 10024 10025 10026 10027 10028 10029 10030 10031
			/* Check legacy speed AN resolution */
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
					&val);
			if (val & (1<<5))
				vars->link_status |=
					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
					&val);
			if ((val & (1<<0)) == 0)
				vars->link_status |=
					LINK_STATUS_PARALLEL_DETECTION_USED;
Y
Yaniv Rosner 已提交
10032 10033
		}
	}
Y
Yaniv Rosner 已提交
10034
	if (link_up) {
Y
Yuval Mintz 已提交
10035
		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
Y
Yaniv Rosner 已提交
10036 10037
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10038 10039 10040 10041 10042 10043 10044 10045 10046 10047 10048 10049 10050 10051 10052 10053 10054 10055 10056 10057 10058 10059 10060 10061 10062 10063 10064 10065 10066 10067 10068 10069 10070 10071 10072 10073

		/* Read LP advertised speeds */
		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_CL37_FC_LP, &val);
		if (val & (1<<5))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
		if (val & (1<<6))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
		if (val & (1<<7))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
		if (val & (1<<8))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
		if (val & (1<<9))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;

		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_1000T_STATUS, &val);

		if (val & (1<<10))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
		if (val & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;

		bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
				MDIO_AN_REG_MASTER_STATUS, &val);

		if (val & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Y
Yuval Mintz 已提交
10074 10075

		/* Determine if EEE was negotiated */
Y
Yuval Mintz 已提交
10076 10077
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
			bnx2x_eee_an_resolve(phy, params, vars);
Y
Yaniv Rosner 已提交
10078
	}
E
Eilon Greenstein 已提交
10079

Y
Yaniv Rosner 已提交
10080
	return link_up;
Y
Yaniv Rosner 已提交
10081 10082
}

Y
Yaniv Rosner 已提交
10083 10084

static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10085
{
Y
Yaniv Rosner 已提交
10086
	int status = 0;
Y
Yaniv Rosner 已提交
10087 10088 10089 10090
	u32 spirom_ver;
	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
	status = bnx2x_format_ver(spirom_ver, str, len);
	return status;
Y
Yaniv Rosner 已提交
10091
}
Y
Yaniv Rosner 已提交
10092 10093 10094

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
10095
{
Y
Yaniv Rosner 已提交
10096
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10097
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Y
Yaniv Rosner 已提交
10098
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10099
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
10100
}
Y
Yaniv Rosner 已提交
10101

Y
Yaniv Rosner 已提交
10102 10103 10104 10105 10106 10107 10108 10109 10110 10111 10112 10113 10114
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;
10115
	u8 port;
10116
	u16 val16;
Y
Yaniv Rosner 已提交
10117

10118
	if (!(CHIP_IS_E1x(bp)))
10119 10120 10121
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
10122 10123 10124 10125 10126 10127

	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
			       port);
	} else {
10128 10129
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
10130 10131
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
		val16 |= MDIO_84833_SUPER_ISOLATE;
Y
Yaniv Rosner 已提交
10132
		bnx2x_cl45_write(bp, phy,
10133 10134
				 MDIO_CTL_DEVAD,
				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Y
Yaniv Rosner 已提交
10135
	}
Y
Yaniv Rosner 已提交
10136 10137
}

10138 10139 10140 10141 10142
static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
				     struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 val;
Y
Yaniv Rosner 已提交
10143 10144
	u8 port;

10145
	if (!(CHIP_IS_E1x(bp)))
Y
Yaniv Rosner 已提交
10146 10147 10148
		port = BP_PATH(bp);
	else
		port = params->port;
10149 10150 10151 10152

	switch (mode) {
	case LED_MODE_OFF:

Y
Yaniv Rosner 已提交
10153
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10154 10155 10156 10157 10158 10159 10160 10161 10162 10163 10164 10165 10166 10167 10168 10169 10170 10171 10172 10173 10174 10175 10176 10177 10178 10179 10180 10181 10182 10183 10184 10185 10186 10187 10188

		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",
Y
Yaniv Rosner 已提交
10189
		   port);
10190 10191 10192 10193 10194 10195

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

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10196 10197 10198
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10199 10200

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10201 10202 10203
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x0);
10204 10205

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10206 10207 10208
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);
10209 10210

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10211 10212 10213
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);
10214 10215 10216 10217 10218 10219 10220 10221 10222 10223

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

Y
Yaniv Rosner 已提交
10224
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10225 10226 10227 10228 10229 10230 10231 10232 10233 10234 10235 10236

		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,
Y
Yaniv Rosner 已提交
10237 10238 10239
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
10240 10241 10242

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10243 10244 10245
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10246 10247

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10248 10249 10250
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);
10251 10252

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10253 10254 10255
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);
10256 10257

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10258 10259 10260
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
10261 10262
		} else {
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10263 10264 10265
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
10266 10267 10268 10269 10270
		}
		break;

	case LED_MODE_OPER:

Y
Yaniv Rosner 已提交
10271
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10272 10273 10274 10275 10276 10277 10278 10279 10280 10281 10282

		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 &
Y
Yaniv Rosner 已提交
10283 10284
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10285
				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10286 10287 10288 10289 10290 10291 10292 10293
				bnx2x_cl45_write(bp, phy,
						 MDIO_PMA_DEVAD,
						 MDIO_PMA_REG_8481_LINK_SIGNAL,
						 0xa492);
			}

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10294 10295 10296
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);
10297 10298

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10299 10300 10301
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);
10302 10303

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10304 10305 10306
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);
10307 10308

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10309 10310 10311
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);
10312 10313 10314 10315 10316 10317

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
10318 10319 10320 10321 10322 10323 10324 10325 10326 10327 10328 10329

			/* Tell LED3 to blink on source */
			bnx2x_cl45_read(bp, phy,
					MDIO_PMA_DEVAD,
					MDIO_PMA_REG_8481_LINK_SIGNAL,
					&val);
			val &= ~(7<<6);
			val |= (1<<6); /* A83B[8:6]= 1 */
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
10330 10331 10332
		}
		break;
	}
10333

10334
	/* This is a workaround for E3+84833 until autoneg
10335 10336 10337 10338 10339 10340
	 * restart is fixed in f/w
	 */
	if (CHIP_IS_E3(bp)) {
		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
	}
10341
}
10342

Y
Yaniv Rosner 已提交
10343
/******************************************************************/
10344
/*			54618SE PHY SECTION			  */
Y
Yaniv Rosner 已提交
10345
/******************************************************************/
Y
Yaniv Rosner 已提交
10346 10347 10348 10349 10350 10351 10352 10353 10354 10355 10356 10357 10358 10359 10360 10361 10362 10363 10364 10365 10366 10367 10368 10369 10370 10371 10372 10373 10374
static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
					struct link_params *params,
					u32 action)
{
	struct bnx2x *bp = params->bp;
	u16 temp;
	switch (action) {
	case PHY_INIT:
		/* Configure LED4: set to INTR (0x6). */
		/* Accessing shadow register 0xe. */
		bnx2x_cl22_write(bp, phy,
				 MDIO_REG_GPHY_SHADOW,
				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
		bnx2x_cl22_read(bp, phy,
				MDIO_REG_GPHY_SHADOW,
				&temp);
		temp &= ~(0xf << 4);
		temp |= (0x6 << 4);
		bnx2x_cl22_write(bp, phy,
				 MDIO_REG_GPHY_SHADOW,
				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
		/* Configure INTR based on link status change. */
		bnx2x_cl22_write(bp, phy,
				 MDIO_REG_INTR_MASK,
				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
		break;
	}
}

10375
static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
10376 10377 10378 10379 10380 10381 10382 10383
					       struct link_params *params,
					       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u8 port;
	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
	u32 cfg_pin;

10384
	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Y
Yuval Mintz 已提交
10385
	usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
10386

10387
	/* This works with E3 only, no need to check the chip
Y
Yaniv Rosner 已提交
10388 10389
	 * before determining the port.
	 */
Y
Yaniv Rosner 已提交
10390 10391 10392 10393 10394 10395 10396 10397 10398 10399 10400 10401 10402 10403 10404 10405 10406 10407 10408
	port = params->port;

	cfg_pin = (REG_RD(bp, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
			PORT_HW_CFG_E3_PHY_RESET_SHIFT;

	/* Drive pin high to bring the GPHY out of reset. */
	bnx2x_set_cfg_pin(bp, cfg_pin, 1);

	/* wait for GPHY to reset */
	msleep(50);

	/* reset phy */
	bnx2x_cl22_write(bp, phy,
			 MDIO_PMA_REG_CTRL, 0x8000);
	bnx2x_wait_reset_complete(bp, phy, params);

10409
	/* Wait for GPHY to reset */
Y
Yaniv Rosner 已提交
10410 10411 10412
	msleep(50);


Y
Yaniv Rosner 已提交
10413
	bnx2x_54618se_specific_func(phy, params, PHY_INIT);
Y
Yaniv Rosner 已提交
10414 10415 10416 10417 10418 10419 10420 10421 10422 10423 10424 10425 10426 10427 10428 10429 10430 10431 10432 10433 10434 10435 10436 10437
	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
	bnx2x_cl22_write(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
	bnx2x_cl22_read(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			&temp);
	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
	bnx2x_cl22_write(bp, phy,
			MDIO_REG_GPHY_SHADOW,
			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);

	/* Set up fc */
	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
	fc_val = 0;
	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;

	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;

Y
Yuval Mintz 已提交
10438
	/* Read all advertisement */
Y
Yaniv Rosner 已提交
10439 10440 10441 10442 10443 10444 10445 10446 10447 10448 10449 10450 10451 10452 10453 10454 10455 10456 10457 10458 10459 10460 10461 10462 10463 10464 10465 10466 10467 10468 10469 10470 10471 10472 10473 10474
	bnx2x_cl22_read(bp, phy,
			0x09,
			&an_1000_val);

	bnx2x_cl22_read(bp, phy,
			0x04,
			&an_10_100_val);

	bnx2x_cl22_read(bp, phy,
			MDIO_PMA_REG_CTRL,
			&autoneg_val);

	/* Disable forced speed */
	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
			   (1<<11));

	if (((phy->req_line_speed == 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));

	bnx2x_cl22_write(bp, phy,
			0x09,
			an_1000_val);
	bnx2x_cl22_read(bp, phy,
			0x09,
			&an_1000_val);

Y
Yuval Mintz 已提交
10475
	/* Set 100 speed advertisement */
Y
Yaniv Rosner 已提交
10476 10477 10478 10479 10480 10481 10482 10483 10484 10485 10486 10487 10488
	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);

		if (phy->req_duplex == DUPLEX_FULL)
			an_10_100_val |= (1<<8);
		DP(NETIF_MSG_LINK, "Advertising 100M\n");
	}

Y
Yuval Mintz 已提交
10489
	/* Set 10 speed advertisement */
Y
Yaniv Rosner 已提交
10490 10491 10492 10493 10494 10495 10496 10497 10498 10499 10500 10501 10502 10503 10504 10505 10506 10507 10508 10509 10510 10511 10512 10513 10514 10515 10516 10517
	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");
	}

	/* 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_cl22_write(bp, phy,
				0x18,
				(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_cl22_write(bp, phy,
				0x18,
				(1<<15 | 1<<9 | 7<<0));
		DP(NETIF_MSG_LINK, "Setting 10M force\n");
	}

10518 10519 10520 10521 10522 10523 10524 10525 10526 10527 10528 10529 10530 10531 10532 10533 10534 10535 10536 10537 10538 10539 10540 10541 10542
	if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
		int rc;

		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
		bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
		temp &= 0xfffe;
		bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);

		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
		if (rc) {
			DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
			bnx2x_eee_disable(phy, params, vars);
		} else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
			   (phy->req_duplex == DUPLEX_FULL) &&
			   (bnx2x_eee_calc_timer(params) ||
			    !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
			/* Need to advertise EEE only when requested,
			 * and either no LPI assertion was requested,
			 * or it was requested and a valid timer was set.
			 * Also notice full duplex is required for EEE.
			 */
			bnx2x_eee_advertise(phy, params, vars,
					    SHMEM_EEE_1G_ADV);
Y
Yaniv Rosner 已提交
10543
		} else {
10544 10545 10546 10547 10548 10549 10550 10551 10552 10553 10554 10555 10556 10557 10558 10559 10560 10561 10562
			DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
			bnx2x_eee_disable(phy, params, vars);
		}
	} else {
		vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
				    SHMEM_EEE_SUPPORTED_SHIFT;

		if (phy->flags & FLAGS_EEE) {
			/* Handle legacy auto-grEEEn */
			if (params->feature_config_flags &
			    FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
				temp = 6;
				DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
			} else {
				temp = 0;
				DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
			}
			bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
					 MDIO_AN_REG_EEE_ADV, temp);
Y
Yaniv Rosner 已提交
10563 10564 10565
		}
	}

Y
Yaniv Rosner 已提交
10566 10567 10568 10569 10570 10571 10572 10573 10574 10575 10576 10577 10578
	bnx2x_cl22_write(bp, phy,
			0x04,
			an_10_100_val | fc_val);

	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);

	bnx2x_cl22_write(bp, phy,
			MDIO_PMA_REG_CTRL, autoneg_val);

	return 0;
}

Y
Yaniv Rosner 已提交
10579 10580 10581 10582 10583 10584 10585 10586 10587 10588 10589 10590 10591 10592 10593 10594 10595 10596 10597 10598 10599 10600 10601 10602 10603 10604 10605 10606 10607 10608 10609 10610 10611 10612 10613 10614 10615

static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
				       struct link_params *params, u8 mode)
{
	struct bnx2x *bp = params->bp;
	u16 temp;

	bnx2x_cl22_write(bp, phy,
		MDIO_REG_GPHY_SHADOW,
		MDIO_REG_GPHY_SHADOW_LED_SEL1);
	bnx2x_cl22_read(bp, phy,
		MDIO_REG_GPHY_SHADOW,
		&temp);
	temp &= 0xff00;

	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
	switch (mode) {
	case LED_MODE_FRONT_PANEL_OFF:
	case LED_MODE_OFF:
		temp |= 0x00ee;
		break;
	case LED_MODE_OPER:
		temp |= 0x0001;
		break;
	case LED_MODE_ON:
		temp |= 0x00ff;
		break;
	default:
		break;
	}
	bnx2x_cl22_write(bp, phy,
		MDIO_REG_GPHY_SHADOW,
		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
	return;
}


10616 10617
static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
10618 10619 10620 10621 10622
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port;

10623
	/* In case of no EPIO routed to reset the GPHY, put it
10624 10625 10626
	 * in low power mode.
	 */
	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10627
	/* This works with E3 only, no need to check the chip
10628 10629
	 * before determining the port.
	 */
Y
Yaniv Rosner 已提交
10630 10631 10632 10633 10634 10635 10636 10637 10638 10639 10640
	port = params->port;
	cfg_pin = (REG_RD(bp, params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
			PORT_HW_CFG_E3_PHY_RESET_SHIFT;

	/* Drive pin low to put GPHY in reset. */
	bnx2x_set_cfg_pin(bp, cfg_pin, 0);
}

10641 10642 10643
static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars)
Y
Yaniv Rosner 已提交
10644 10645 10646 10647 10648 10649 10650 10651
{
	struct bnx2x *bp = params->bp;
	u16 val;
	u8 link_up = 0;
	u16 legacy_status, legacy_speed;

	/* Get speed operation status */
	bnx2x_cl22_read(bp, phy,
10652
			MDIO_REG_GPHY_AUX_STATUS,
Y
Yaniv Rosner 已提交
10653
			&legacy_status);
10654
	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Y
Yaniv Rosner 已提交
10655 10656 10657 10658 10659 10660 10661 10662 10663 10664 10665 10666 10667 10668 10669 10670 10671 10672 10673 10674 10675 10676 10677 10678 10679 10680 10681 10682 10683 10684 10685 10686 10687

	/* Read status to clear the PHY interrupt. */
	bnx2x_cl22_read(bp, phy,
			MDIO_REG_INTR_STATUS,
			&val);

	link_up = ((legacy_status & (1<<2)) == (1<<2));

	if (link_up) {
		legacy_speed = (legacy_status & (7<<8));
		if (legacy_speed == (7<<8)) {
			vars->line_speed = SPEED_1000;
			vars->duplex = DUPLEX_FULL;
		} else if (legacy_speed == (6<<8)) {
			vars->line_speed = SPEED_1000;
			vars->duplex = DUPLEX_HALF;
		} else if (legacy_speed == (5<<8)) {
			vars->line_speed = SPEED_100;
			vars->duplex = DUPLEX_FULL;
		}
		/* Omitting 100Base-T4 for now */
		else if (legacy_speed == (3<<8)) {
			vars->line_speed = SPEED_100;
			vars->duplex = DUPLEX_HALF;
		} else if (legacy_speed == (2<<8)) {
			vars->line_speed = SPEED_10;
			vars->duplex = DUPLEX_FULL;
		} else if (legacy_speed == (1<<8)) {
			vars->line_speed = SPEED_10;
			vars->duplex = DUPLEX_HALF;
		} else /* Should not happen */
			vars->line_speed = 0;

10688 10689 10690 10691
		DP(NETIF_MSG_LINK,
		   "Link is up in %dMbps, is_duplex_full= %d\n",
		   vars->line_speed,
		   (vars->duplex == DUPLEX_FULL));
Y
Yaniv Rosner 已提交
10692 10693 10694 10695 10696 10697 10698 10699 10700 10701 10702 10703 10704 10705 10706

		/* Check legacy speed AN resolution */
		bnx2x_cl22_read(bp, phy,
				0x01,
				&val);
		if (val & (1<<5))
			vars->link_status |=
				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
		bnx2x_cl22_read(bp, phy,
				0x06,
				&val);
		if ((val & (1<<0)) == 0)
			vars->link_status |=
				LINK_STATUS_PARALLEL_DETECTION_USED;

10707
		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Y
Yaniv Rosner 已提交
10708
			   vars->line_speed);
10709

Y
Yaniv Rosner 已提交
10710
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10711 10712

		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
10713
			/* Report LP advertised speeds */
10714 10715 10716 10717 10718 10719 10720 10721 10722 10723 10724 10725 10726 10727 10728 10729 10730 10731 10732 10733 10734 10735 10736 10737 10738
			bnx2x_cl22_read(bp, phy, 0x5, &val);

			if (val & (1<<5))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
			if (val & (1<<6))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
			if (val & (1<<7))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
			if (val & (1<<8))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
			if (val & (1<<9))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;

			bnx2x_cl22_read(bp, phy, 0xa, &val);
			if (val & (1<<10))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
			if (val & (1<<11))
				vars->link_status |=
				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10739 10740 10741 10742

			if ((phy->flags & FLAGS_EEE) &&
			    bnx2x_eee_has_cap(params))
				bnx2x_eee_an_resolve(phy, params, vars);
10743
		}
Y
Yaniv Rosner 已提交
10744 10745 10746 10747
	}
	return link_up;
}

10748 10749
static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
					  struct link_params *params)
Y
Yaniv Rosner 已提交
10750 10751 10752 10753 10754
{
	struct bnx2x *bp = params->bp;
	u16 val;
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;

10755
	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Y
Yaniv Rosner 已提交
10756 10757 10758 10759 10760 10761 10762 10763 10764 10765 10766 10767 10768 10769 10770 10771 10772 10773 10774 10775 10776 10777 10778 10779 10780 10781

	/* Enable master/slave manual mmode and set to master */
	/* mii write 9 [bits set 11 12] */
	bnx2x_cl22_write(bp, phy, 0x09, 3<<11);

	/* forced 1G and disable autoneg */
	/* set val [mii read 0] */
	/* set val [expr $val & [bits clear 6 12 13]] */
	/* set val [expr $val | [bits set 6 8]] */
	/* mii write 0 $val */
	bnx2x_cl22_read(bp, phy, 0x00, &val);
	val &= ~((1<<6) | (1<<12) | (1<<13));
	val |= (1<<6) | (1<<8);
	bnx2x_cl22_write(bp, phy, 0x00, val);

	/* Set external loopback and Tx using 6dB coding */
	/* mii write 0x18 7 */
	/* set val [mii read 0x18] */
	/* mii write 0x18 [expr $val | [bits set 10 15]] */
	bnx2x_cl22_write(bp, phy, 0x18, 7);
	bnx2x_cl22_read(bp, phy, 0x18, &val);
	bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));

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

10782
	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Y
Yaniv Rosner 已提交
10783 10784 10785 10786 10787
	 * length used by the MAC receive logic to check frames.
	 */
	REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
}

Y
Yaniv Rosner 已提交
10788 10789 10790 10791 10792
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
10793 10794
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10795 10796 10797
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
10798 10799
}

Y
Yaniv Rosner 已提交
10800 10801 10802
static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
10803
{
Y
Yaniv Rosner 已提交
10804
	u16 fw_ver1, fw_ver2, val;
Y
Yaniv Rosner 已提交
10805
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10806
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
10807

Y
Yaniv Rosner 已提交
10808 10809
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
10810
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
10811 10812
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
10813
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
10814

Y
Yaniv Rosner 已提交
10815
	bnx2x_cl45_write(bp, phy,
10816
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Y
Yaniv Rosner 已提交
10817 10818 10819
	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
10820

Y
Yaniv Rosner 已提交
10821 10822 10823 10824 10825 10826 10827
	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
10828

Y
Yaniv Rosner 已提交
10829 10830 10831
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
10832

Y
Yaniv Rosner 已提交
10833 10834 10835 10836 10837 10838
	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
10839

Y
Yaniv Rosner 已提交
10840 10841 10842
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
10843 10844
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10845 10846 10847
	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
10848
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
10849
	bnx2x_cl45_read(bp, phy,
10850
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
10851 10852 10853 10854 10855 10856 10857 10858 10859
	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);
Y
Yuval Mintz 已提交
10860
	/* If link is up print the AN outcome of the SFX7101 PHY */
Y
Yaniv Rosner 已提交
10861 10862 10863 10864 10865
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
10866
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
10867 10868 10869 10870
		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);
10871

Y
Yuval Mintz 已提交
10872
		/* Read LP advertised speeds */
10873 10874 10875
		if (val2 & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Y
Yaniv Rosner 已提交
10876 10877 10878
	}
	return link_up;
}
E
Eilon Greenstein 已提交
10879

Y
Yaniv Rosner 已提交
10880
static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10881 10882 10883 10884 10885 10886 10887 10888 10889
{
	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;
10890 10891 10892
	return 0;
}

Y
Yaniv Rosner 已提交
10893
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10894
{
Y
Yaniv Rosner 已提交
10895
	u16 val, cnt;
10896

Y
Yaniv Rosner 已提交
10897
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10898 10899
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);
10900

Y
Yaniv Rosner 已提交
10901 10902 10903 10904
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10905 10906 10907
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
Y
Yaniv Rosner 已提交
10908 10909
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10910 10911
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);
10912

Y
Yaniv Rosner 已提交
10913 10914
		if ((val & (1<<15)) == 0)
			break;
10915 10916
	}
}
Y
Yaniv Rosner 已提交
10917

Y
Yaniv Rosner 已提交
10918 10919 10920 10921
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,
Y
Yaniv Rosner 已提交
10922
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10923 10924
	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10925
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10926
}
Y
Yaniv Rosner 已提交
10927

10928 10929 10930 10931 10932 10933 10934 10935 10936 10937 10938 10939 10940 10941 10942 10943 10944 10945 10946 10947 10948 10949 10950
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
10951 10952 10953
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
10954

Y
Yaniv Rosner 已提交
10955 10956 10957 10958
static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.def_md_devad	= 0,
10959
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
10960 10961 10962 10963 10964 10965
	.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,
Y
Yaniv Rosner 已提交
10966 10967 10968
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
10969 10970 10971 10972 10973 10974 10975 10976
	.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
10977 10978
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
10979
};
Y
Yaniv Rosner 已提交
10980

Y
Yaniv Rosner 已提交
10981 10982 10983 10984
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
10985
	.flags		= 0,
Y
Yaniv Rosner 已提交
10986 10987 10988 10989 10990 10991 10992 10993 10994 10995 10996 10997 10998
	.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),
Y
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10999
	.media_type	= ETH_PHY_BASE_T,
Y
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11000 11001
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
Yaniv Rosner 已提交
11002 11003
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11004 11005
	.req_duplex	= 0,
	.rsrv		= 0,
Y
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11006
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
Yaniv Rosner 已提交
11007 11008 11009 11010 11011
	.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,
Y
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11012 11013
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11014
};
Y
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11015 11016 11017 11018 11019

static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11020
	.flags		= 0,
Y
Yaniv Rosner 已提交
11021 11022 11023 11024 11025 11026 11027 11028 11029 11030 11031 11032 11033 11034
	.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),
Y
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11035
	.media_type	= ETH_PHY_CX4,
Y
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11036 11037
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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11038 11039
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11040 11041
	.req_duplex	= 0,
	.rsrv		= 0,
Y
Yaniv Rosner 已提交
11042
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
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11043 11044 11045 11046 11047
	.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,
Y
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11048
	.set_link_led	= (set_link_led_t)NULL,
11049
	.phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
Y
Yaniv Rosner 已提交
11050
};
11051 11052 11053 11054
static struct bnx2x_phy phy_warpcore = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11055 11056
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
			   FLAGS_TX_ERROR_CHECK),
11057 11058 11059 11060
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
11061 11062 11063 11064 11065 11066 11067 11068 11069 11070 11071
			   SUPPORTED_10baseT_Full |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_1000baseT_Full |
			   SUPPORTED_10000baseT_Full |
			   SUPPORTED_20000baseKR2_Full |
			   SUPPORTED_20000baseMLD2_Full |
			   SUPPORTED_FIBRE |
			   SUPPORTED_Autoneg |
			   SUPPORTED_Pause |
			   SUPPORTED_Asym_Pause),
11072 11073 11074 11075 11076 11077 11078 11079 11080 11081 11082 11083
	.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_warpcore_config_init,
	.read_status	= (read_status_t)bnx2x_warpcore_read_status,
	.link_reset	= (link_reset_t)bnx2x_warpcore_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
	.format_fw_ver	= (format_fw_ver_t)NULL,
11084
	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11085 11086 11087 11088
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

Y
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11089 11090 11091 11092 11093

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.def_md_devad	= 0,
11094
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
Y
Yaniv Rosner 已提交
11095 11096 11097 11098 11099 11100 11101 11102 11103 11104 11105
	.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,
Y
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11106 11107
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11108 11109 11110 11111 11112 11113 11114 11115
	.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,
11116
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
Y
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11117
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11118 11119 11120 11121 11122
};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.def_md_devad	= 0,
11123
	.flags		= FLAGS_HW_LOCK_REQUIRED,
Y
Yaniv Rosner 已提交
11124 11125 11126 11127 11128 11129 11130 11131 11132 11133
	.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),
Y
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11134
	.media_type	= ETH_PHY_KR,
Y
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11135
	.ver_addr	= 0,
Y
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11136 11137 11138
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11139 11140
	.req_duplex	= 0,
	.rsrv		= 0,
11141
	.config_init	= (config_init_t)bnx2x_8073_config_init,
Y
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11142 11143 11144 11145 11146
	.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,
Y
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11147
	.set_link_led	= (set_link_led_t)NULL,
Y
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11148
	.phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
Y
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11149 11150 11151 11152 11153
};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.def_md_devad	= 0,
11154
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
11155 11156 11157 11158 11159 11160 11161 11162 11163 11164 11165 11166 11167 11168 11169 11170 11171 11172 11173 11174
	.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,
Y
Yaniv Rosner 已提交
11175 11176
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11177 11178 11179 11180 11181
};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.def_md_devad	= 0,
11182
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
11183 11184 11185 11186 11187 11188 11189 11190
	.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),
Y
Yuval Mintz 已提交
11191
	.media_type	= ETH_PHY_SFPP_10G_FIBER,
Y
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11192 11193 11194 11195 11196 11197 11198 11199 11200 11201 11202 11203
	.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,
Y
Yaniv Rosner 已提交
11204 11205
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11206 11207 11208 11209 11210
};

static struct bnx2x_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
11211
	.def_md_devad	= 0,
Y
Yaniv Rosner 已提交
11212
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11213 11214
			   FLAGS_INIT_XGXS_FIRST |
			   FLAGS_TX_ERROR_CHECK),
Y
Yaniv Rosner 已提交
11215 11216 11217 11218 11219 11220 11221 11222 11223
	.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),
Y
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11224
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11225 11226 11227 11228 11229 11230 11231 11232 11233 11234 11235 11236
	.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,
Y
Yaniv Rosner 已提交
11237 11238
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11239 11240 11241 11242 11243 11244
};

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.def_md_devad	= 0,
11245 11246
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_TX_ERROR_CHECK),
Y
Yaniv Rosner 已提交
11247 11248 11249 11250 11251 11252 11253 11254
	.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),
Y
Yaniv Rosner 已提交
11255
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
Yaniv Rosner 已提交
11256 11257 11258 11259 11260 11261 11262 11263 11264 11265 11266 11267
	.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,
11268
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
Y
Yaniv Rosner 已提交
11269
	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Y
Yaniv Rosner 已提交
11270 11271 11272 11273
};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
11274
	.def_md_devad	= 0,
Y
Yaniv Rosner 已提交
11275 11276
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
Yaniv Rosner 已提交
11277 11278 11279 11280 11281 11282 11283 11284 11285 11286 11287 11288 11289 11290 11291 11292 11293 11294 11295 11296 11297 11298 11299 11300 11301 11302
	.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,
11303
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
Yaniv Rosner 已提交
11304
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
11305 11306
};

Y
Yaniv Rosner 已提交
11307 11308 11309
static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
11310
	.def_md_devad	= 0,
11311 11312 11313
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_REARM_LATCH_SIGNAL |
			   FLAGS_TX_ERROR_CHECK),
Y
Yaniv Rosner 已提交
11314 11315 11316 11317 11318 11319 11320 11321 11322 11323 11324 11325 11326 11327 11328 11329 11330 11331 11332 11333 11334 11335 11336 11337 11338 11339
	.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,
11340
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
Yaniv Rosner 已提交
11341
	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Y
Yaniv Rosner 已提交
11342 11343
};

11344 11345 11346
static struct bnx2x_phy phy_84833 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
	.addr		= 0xff,
11347
	.def_md_devad	= 0,
11348 11349
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_REARM_LATCH_SIGNAL |
11350
			   FLAGS_TX_ERROR_CHECK),
11351 11352 11353
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
11354
	.supported	= (SUPPORTED_100baseT_Half |
11355 11356 11357 11358 11359 11360 11361 11362 11363 11364 11365 11366 11367 11368 11369 11370 11371 11372 11373
			   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,
11374
	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11375
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
Yaniv Rosner 已提交
11376
	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11377 11378
};

11379 11380
static struct bnx2x_phy phy_54618se = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Y
Yaniv Rosner 已提交
11381 11382 11383 11384 11385 11386 11387 11388 11389 11390 11391 11392 11393 11394 11395 11396 11397 11398 11399 11400 11401 11402
	.addr		= 0xff,
	.def_md_devad	= 0,
	.flags		= FLAGS_INIT_XGXS_FIRST,
	.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_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,
11403 11404 11405 11406
	.config_init	= (config_init_t)bnx2x_54618se_config_init,
	.read_status	= (read_status_t)bnx2x_54618se_read_status,
	.link_reset	= (link_reset_t)bnx2x_54618se_link_reset,
	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
Y
Yaniv Rosner 已提交
11407 11408
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
Yaniv Rosner 已提交
11409
	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
Y
Yaniv Rosner 已提交
11410
	.phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
Y
Yaniv Rosner 已提交
11411
};
Y
Yaniv Rosner 已提交
11412 11413 11414 11415 11416 11417 11418 11419 11420 11421 11422 11423 11424
/*****************************************************************/
/*                                                               */
/* 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++) {
11425 11426
		/* INT_PHY and EXT_PHY1 share the same value location in
		 * the shmem. When num_phys is greater than 1, than this value
Y
Yaniv Rosner 已提交
11427 11428
		 * applies only to EXT_PHY1
		 */
Y
Yaniv Rosner 已提交
11429 11430 11431
		if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11432
			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Y
Yaniv Rosner 已提交
11433 11434 11435

			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11436
			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Y
Yaniv Rosner 已提交
11437 11438 11439
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11440
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
Yaniv Rosner 已提交
11441

Y
Yaniv Rosner 已提交
11442 11443
			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11444
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
Yaniv Rosner 已提交
11445
		}
Y
Yaniv Rosner 已提交
11446 11447 11448 11449 11450 11451 11452 11453 11454 11455 11456 11457 11458 11459 11460 11461 11462 11463 11464

		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;
Y
Yaniv Rosner 已提交
11465 11466 11467 11468 11469
	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;
Y
Yaniv Rosner 已提交
11470 11471 11472 11473 11474 11475 11476
	default:
		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
		return -EINVAL;
	}

	return ext_phy_config;
}
Y
Yaniv Rosner 已提交
11477 11478
static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				  struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
11479 11480 11481 11482 11483 11484 11485
{
	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);
11486 11487 11488
	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);

11489 11490 11491
	DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
	if (USES_WARPCORE(bp)) {
		u32 serdes_net_if;
Y
Yaniv Rosner 已提交
11492
		phy_addr = REG_RD(bp,
11493 11494 11495 11496 11497 11498 11499 11500 11501 11502 11503
				  MISC_REG_WC0_CTRL_PHY_ADDR);
		*phy = phy_warpcore;
		if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
			phy->flags |= FLAGS_4_PORT_MODE;
		else
			phy->flags &= ~FLAGS_4_PORT_MODE;
			/* Check Dual mode */
		serdes_net_if = (REG_RD(bp, shmem_base +
					offsetof(struct shmem_region, dev_info.
					port_hw_config[port].default_cfg)) &
				 PORT_HW_CFG_NET_SERDES_IF_MASK);
11504
		/* Set the appropriate supported and flags indications per
11505 11506 11507 11508 11509 11510 11511 11512 11513 11514 11515 11516 11517 11518 11519 11520 11521 11522 11523 11524 11525 11526 11527 11528
		 * interface type of the chip
		 */
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
			phy->supported &= (SUPPORTED_10baseT_Half |
					   SUPPORTED_10baseT_Full |
					   SUPPORTED_100baseT_Half |
					   SUPPORTED_100baseT_Full |
					   SUPPORTED_1000baseT_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Autoneg |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			phy->media_type = ETH_PHY_BASE_T;
			break;
		case PORT_HW_CFG_NET_SERDES_IF_XFI:
			phy->media_type = ETH_PHY_XFP_FIBER;
			break;
		case PORT_HW_CFG_NET_SERDES_IF_SFI:
			phy->supported &= (SUPPORTED_1000baseT_Full |
					   SUPPORTED_10000baseT_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
Y
Yuval Mintz 已提交
11529
			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11530 11531 11532 11533 11534 11535 11536 11537 11538 11539 11540 11541 11542 11543 11544 11545 11546 11547 11548 11549 11550 11551 11552 11553 11554 11555 11556 11557 11558 11559 11560 11561
			break;
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			phy->media_type = ETH_PHY_KR;
			phy->supported &= (SUPPORTED_1000baseT_Full |
					   SUPPORTED_10000baseT_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Autoneg |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			break;
		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
			phy->media_type = ETH_PHY_KR;
			phy->flags |= FLAGS_WC_DUAL_MODE;
			phy->supported &= (SUPPORTED_20000baseMLD2_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			break;
		case PORT_HW_CFG_NET_SERDES_IF_KR2:
			phy->media_type = ETH_PHY_KR;
			phy->flags |= FLAGS_WC_DUAL_MODE;
			phy->supported &= (SUPPORTED_20000baseKR2_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
			break;
		default:
			DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
				       serdes_net_if);
			break;
		}

11562
		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11563 11564 11565 11566 11567
		 * was not set as expected. For B0, ECO will be enabled so there
		 * won't be an issue there
		 */
		if (CHIP_REV(bp) == CHIP_REV_Ax)
			phy->flags |= FLAGS_MDC_MDIO_WA;
11568 11569
		else
			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11570 11571 11572 11573 11574 11575 11576 11577 11578 11579 11580 11581 11582 11583 11584 11585 11586 11587
	} else {
		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;
		}
Y
Yaniv Rosner 已提交
11588 11589 11590 11591 11592
	}
	phy->addr = (u8)phy_addr;
	phy->mdio_ctrl = bnx2x_get_emac_base(bp,
					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
					    port);
D
Dmitry Kravkov 已提交
11593 11594 11595 11596
	if (CHIP_IS_E2(bp))
		phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
	else
		phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Y
Yaniv Rosner 已提交
11597 11598 11599 11600 11601 11602 11603 11604

	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;
}

Y
Yaniv Rosner 已提交
11605 11606 11607 11608 11609 11610
static int bnx2x_populate_ext_phy(struct bnx2x *bp,
				  u8 phy_index,
				  u32 shmem_base,
				  u32 shmem2_base,
				  u8 port,
				  struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
11611 11612 11613 11614 11615 11616 11617 11618 11619 11620 11621 11622 11623 11624 11625 11626 11627 11628 11629 11630 11631 11632 11633 11634 11635 11636 11637 11638
{
	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;
Y
Yaniv Rosner 已提交
11639
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Y
Yaniv Rosner 已提交
11640 11641 11642 11643 11644 11645 11646 11647 11648 11649
	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;
11650 11651 11652
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		*phy = phy_84833;
		break;
Y
Yaniv Rosner 已提交
11653
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11654 11655
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
		*phy = phy_54618se;
11656 11657
		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			phy->flags |= FLAGS_EEE;
Y
Yaniv Rosner 已提交
11658
		break;
Y
Yaniv Rosner 已提交
11659 11660 11661 11662 11663 11664 11665 11666
	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;
Y
Yaniv Rosner 已提交
11667 11668 11669 11670
		/* In case external PHY wasn't found */
		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
			return -EINVAL;
Y
Yaniv Rosner 已提交
11671 11672 11673 11674 11675 11676
		return 0;
	}

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

11677
	/* The shmem address of the phy version is located on different
11678 11679 11680
	 * structures. In case this structure is too old, do not set
	 * the address
	 */
Y
Yaniv Rosner 已提交
11681 11682
	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
Y
Yaniv Rosner 已提交
11683 11684 11685
	if (phy_index == EXT_PHY1) {
		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
				port_mb[port].ext_phy_fw_version);
Y
Yaniv Rosner 已提交
11686

Y
Yaniv Rosner 已提交
11687 11688 11689 11690
		/* 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;
Y
Yaniv Rosner 已提交
11691 11692
	} else {
		u32 size = REG_RD(bp, shmem2_base);
Y
Yaniv Rosner 已提交
11693

Y
Yaniv Rosner 已提交
11694 11695 11696 11697 11698 11699 11700 11701 11702 11703 11704 11705 11706
		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);
	}
Y
Yaniv Rosner 已提交
11707 11708
	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

11709 11710
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
	    (phy->ver_addr)) {
11711
		/* Remove 100Mb link supported for BCM84833 when phy fw
11712 11713 11714 11715 11716 11717 11718 11719 11720
		 * version lower than or equal to 1.39
		 */
		u32 raw_ver = REG_RD(bp, phy->ver_addr);
		if (((raw_ver & 0x7F) <= 39) &&
		    (((raw_ver & 0xF80) >> 7) <= 1))
			phy->supported &= ~(SUPPORTED_100baseT_Half |
					    SUPPORTED_100baseT_Full);
	}

11721
	/* In case mdc/mdio_access of the external phy is different than the
Y
Yaniv Rosner 已提交
11722 11723 11724 11725 11726 11727 11728 11729 11730 11731 11732 11733
	 * 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;
}

Y
Yaniv Rosner 已提交
11734 11735
static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
			      u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
11736
{
Y
Yaniv Rosner 已提交
11737
	int status = 0;
Y
Yaniv Rosner 已提交
11738 11739 11740
	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);
Y
Yaniv Rosner 已提交
11741
	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
11742 11743 11744 11745 11746 11747
					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
11748
			      u8 phy_index)
Y
Yaniv Rosner 已提交
11749 11750 11751 11752
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
Y
Yaniv Rosner 已提交
11753 11754
	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11755
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11756 11757
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11758 11759
					     offsetof(struct shmem_region,
						      dev_info.
Y
Yaniv Rosner 已提交
11760 11761 11762
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11763
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11764 11765
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11766 11767 11768
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
Y
Yaniv Rosner 已提交
11769
	}
11770 11771 11772
	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);
Y
Yaniv Rosner 已提交
11773 11774 11775 11776 11777 11778 11779 11780 11781 11782 11783 11784 11785 11786 11787 11788 11789 11790 11791 11792 11793 11794 11795 11796 11797 11798 11799 11800 11801 11802 11803 11804 11805 11806 11807 11808 11809 11810 11811 11812 11813 11814 11815 11816 11817 11818

	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;
	}
}

Y
Yaniv Rosner 已提交
11819 11820 11821 11822 11823 11824 11825 11826 11827 11828 11829 11830 11831 11832 11833 11834 11835 11836 11837 11838 11839 11840 11841 11842 11843 11844 11845 11846 11847 11848 11849 11850 11851
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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11852
int bnx2x_phy_probe(struct link_params *params)
Y
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11853
{
Y
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	u8 phy_index, actual_phy_idx;
Y
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11855
	u32 phy_config_swapped, sync_offset, media_types;
Y
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11856 11857 11858 11859
	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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11862 11863 11864 11865

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		actual_phy_idx = phy_index;
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11866 11867 11868 11869 11870 11871 11872 11873 11874
		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,
Y
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11878 11879 11880 11881 11882 11883 11884 11885 11886 11887 11888 11889 11890
				       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;

11891 11892 11893 11894
		if (params->feature_config_flags &
		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
			phy->flags &= ~FLAGS_TX_ERROR_CHECK;

Y
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11895 11896 11897 11898 11899
		sync_offset = params->shmem_base +
			offsetof(struct shmem_region,
			dev_info.port_hw_config[params->port].media_type);
		media_types = REG_RD(bp, sync_offset);

11900
		/* Update media type for non-PMF sync only for the first time
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		 * In case the media type changes afterwards, it will be updated
		 * using the update_status function
		 */
		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
				     actual_phy_idx))) == 0) {
			media_types |= ((phy->media_type &
					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
				 actual_phy_idx));
		}
		REG_WR(bp, sync_offset, media_types);

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11914
		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;
}

11922 11923
void bnx2x_init_bmac_loopback(struct link_params *params,
			      struct link_vars *vars)
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11924 11925 11926 11927 11928 11929 11930
{
	struct bnx2x *bp = params->bp;
		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;
Y
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11931

Y
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11932
		vars->phy_flags = PHY_XGXS_FLAG;
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11933

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11934
		bnx2x_xgxs_deassert(params);
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11935

Y
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11936
		/* set bmac loopback */
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11937
		bnx2x_bmac_enable(params, vars, 1, 1);
Y
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11938

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11939
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11940
}
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11941

11942 11943 11944 11945
void bnx2x_init_emac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
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11946 11947 11948 11949 11950
		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;
Y
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11951

Y
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11952
		vars->phy_flags = PHY_XGXS_FLAG;
Y
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11953

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		bnx2x_xgxs_deassert(params);
		/* set bmac loopback */
		bnx2x_emac_enable(params, vars, 1);
		bnx2x_emac_program(params, vars);
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		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11959
}
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11960

11961 11962 11963 11964 11965 11966 11967 11968 11969 11970 11971 11972 11973
void bnx2x_init_xmac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	vars->link_up = 1;
	if (!params->req_line_speed[0])
		vars->line_speed = SPEED_10000;
	else
		vars->line_speed = params->req_line_speed[0];
	vars->duplex = DUPLEX_FULL;
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
	vars->mac_type = MAC_TYPE_XMAC;
	vars->phy_flags = PHY_XGXS_FLAG;
11974
	/* Set WC to loopback mode since link is required to provide clock
11975 11976
	 * to the XMAC in 20G mode
	 */
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	bnx2x_set_aer_mmd(params, &params->phy[0]);
	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
	params->phy[INT_PHY].config_loopback(
11980 11981
			&params->phy[INT_PHY],
			params);
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11982

11983 11984 11985 11986 11987 11988 11989 11990 11991 11992 11993 11994 11995 11996 11997 11998 11999 12000 12001
	bnx2x_xmac_enable(params, vars, 1);
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}

void bnx2x_init_umac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	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_UMAC;
	vars->phy_flags = PHY_XGXS_FLAG;
	bnx2x_umac_enable(params, vars, 1);

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

12002 12003 12004 12005
void bnx2x_init_xgxs_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
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		vars->link_up = 1;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
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12008
		vars->duplex = DUPLEX_FULL;
12009
	if (params->req_line_speed[0] == SPEED_1000)
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			vars->line_speed = SPEED_1000;
12011
	else
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12012
			vars->line_speed = SPEED_10000;
12013

12014 12015
	if (!USES_WARPCORE(bp))
		bnx2x_xgxs_deassert(params);
12016 12017 12018
	bnx2x_link_initialize(params, vars);

	if (params->req_line_speed[0] == SPEED_1000) {
12019 12020 12021 12022 12023 12024 12025 12026 12027 12028
		if (USES_WARPCORE(bp))
			bnx2x_umac_enable(params, vars, 0);
		else {
			bnx2x_emac_program(params, vars);
			bnx2x_emac_enable(params, vars, 0);
		}
	} else {
		if (USES_WARPCORE(bp))
			bnx2x_xmac_enable(params, vars, 0);
		else
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12029
			bnx2x_bmac_enable(params, vars, 0, 1);
12030
	}
12031

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		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
12037

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		} else {
			/* set external phy loopback */
			u8 phy_index;
			for (phy_index = EXT_PHY1;
			      phy_index < params->num_phys; phy_index++) {
				if (params->phy[phy_index].config_loopback)
					params->phy[phy_index].config_loopback(
						&params->phy[phy_index],
						params);
			}
		}
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12049
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
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12050

12051 12052 12053
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
}

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12054 12055 12056 12057 12058 12059 12060 12061 12062 12063 12064 12065 12066 12067 12068 12069 12070 12071 12072 12073 12074 12075 12076 12077 12078 12079 12080 12081 12082 12083 12084 12085 12086 12087 12088 12089 12090 12091 12092 12093 12094 12095 12096 12097 12098 12099 12100 12101 12102 12103 12104 12105 12106 12107 12108 12109 12110 12111 12112 12113 12114 12115 12116 12117 12118 12119 12120 12121 12122 12123 12124 12125 12126 12127 12128 12129 12130 12131 12132 12133 12134 12135 12136 12137 12138 12139 12140 12141 12142 12143 12144 12145 12146 12147 12148 12149 12150 12151 12152 12153 12154 12155 12156 12157 12158 12159 12160 12161 12162 12163 12164 12165 12166 12167 12168 12169 12170 12171 12172 12173 12174 12175 12176 12177 12178 12179 12180 12181 12182 12183 12184 12185 12186 12187 12188 12189 12190 12191 12192 12193 12194 12195 12196 12197 12198 12199 12200 12201 12202 12203 12204 12205
static void bnx2x_set_rx_filter(struct link_params *params, u8 en)
{
	struct bnx2x *bp = params->bp;
	u8 val = en * 0x1F;

	/* Open the gate between the NIG to the BRB */
	if (!CHIP_IS_E1x(bp))
		val |= en * 0x20;
	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);

	if (!CHIP_IS_E1(bp)) {
		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
		       en*0x3);
	}

	REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
}
static int bnx2x_avoid_link_flap(struct link_params *params,
					    struct link_vars *vars)
{
	u32 phy_idx;
	u32 dont_clear_stat, lfa_sts;
	struct bnx2x *bp = params->bp;

	/* Sync the link parameters */
	bnx2x_link_status_update(params, vars);

	/*
	 * The module verification was already done by previous link owner,
	 * so this call is meant only to get warning message
	 */

	for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
		struct bnx2x_phy *phy = &params->phy[phy_idx];
		if (phy->phy_specific_func) {
			DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
			phy->phy_specific_func(phy, params, PHY_INIT);
		}
		if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
		    (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
		    (phy->media_type == ETH_PHY_DA_TWINAX))
			bnx2x_verify_sfp_module(phy, params);
	}
	lfa_sts = REG_RD(bp, params->lfa_base +
			 offsetof(struct shmem_lfa,
				  lfa_sts));

	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;

	/* Re-enable the NIG/MAC */
	if (CHIP_IS_E3(bp)) {
		if (!dont_clear_stat) {
			REG_WR(bp, GRCBASE_MISC +
			       MISC_REGISTERS_RESET_REG_2_CLEAR,
			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
				params->port));
			REG_WR(bp, GRCBASE_MISC +
			       MISC_REGISTERS_RESET_REG_2_SET,
			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
				params->port));
		}
		if (vars->line_speed < SPEED_10000)
			bnx2x_umac_enable(params, vars, 0);
		else
			bnx2x_xmac_enable(params, vars, 0);
	} else {
		if (vars->line_speed < SPEED_10000)
			bnx2x_emac_enable(params, vars, 0);
		else
			bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
	}

	/* Increment LFA count */
	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
	/* Clear link flap reason */
	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;

	REG_WR(bp, params->lfa_base +
	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);

	/* Disable NIG DRAIN */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);

	/* Enable interrupts */
	bnx2x_link_int_enable(params);
	return 0;
}

static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
					 struct link_vars *vars,
					 int lfa_status)
{
	u32 lfa_sts, cfg_idx, tmp_val;
	struct bnx2x *bp = params->bp;

	bnx2x_link_reset(params, vars, 1);

	if (!params->lfa_base)
		return;
	/* Store the new link parameters */
	REG_WR(bp, params->lfa_base +
	       offsetof(struct shmem_lfa, req_duplex),
	       params->req_duplex[0] | (params->req_duplex[1] << 16));

	REG_WR(bp, params->lfa_base +
	       offsetof(struct shmem_lfa, req_flow_ctrl),
	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));

	REG_WR(bp, params->lfa_base +
	       offsetof(struct shmem_lfa, req_line_speed),
	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));

	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
		REG_WR(bp, params->lfa_base +
		       offsetof(struct shmem_lfa,
				speed_cap_mask[cfg_idx]),
		       params->speed_cap_mask[cfg_idx]);
	}

	tmp_val = REG_RD(bp, params->lfa_base +
			 offsetof(struct shmem_lfa, additional_config));
	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
	tmp_val |= params->req_fc_auto_adv;

	REG_WR(bp, params->lfa_base +
	       offsetof(struct shmem_lfa, additional_config), tmp_val);

	lfa_sts = REG_RD(bp, params->lfa_base +
			 offsetof(struct shmem_lfa, lfa_sts));

	/* Clear the "Don't Clear Statistics" bit, and set reason */
	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;

	/* Set link flap reason */
	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
		    LFA_LINK_FLAP_REASON_OFFSET);

	/* Increment link flap counter */
	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
		    << LINK_FLAP_COUNT_OFFSET));
	REG_WR(bp, params->lfa_base +
	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
	/* Proceed with regular link initialization */
}

12206 12207
int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
Y
Yaniv Rosner 已提交
12208
	int lfa_status;
12209 12210 12211 12212 12213 12214 12215 12216 12217 12218 12219 12220 12221 12222
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "Phy Initialization started\n");
	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]);
	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;
Y
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12223 12224 12225 12226 12227 12228 12229 12230 12231 12232 12233 12234 12235
	/* Driver opens NIG-BRB filters */
	bnx2x_set_rx_filter(params, 1);
	/* Check if link flap can be avoided */
	lfa_status = bnx2x_check_lfa(params);

	if (lfa_status == 0) {
		DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
		return bnx2x_avoid_link_flap(params, vars);
	}

	DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
		       lfa_status);
	bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12236

Y
Yuval Mintz 已提交
12237
	/* Disable attentions */
12238 12239 12240 12241 12242 12243 12244 12245
	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);

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Yaniv Rosner 已提交
12246 12247 12248
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;

12249 12250 12251 12252 12253 12254 12255 12256 12257 12258 12259 12260 12261 12262
	if (params->num_phys == 0) {
		DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
		return -EINVAL;
	}
	set_phy_vars(params, vars);

	DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
	switch (params->loopback_mode) {
	case LOOPBACK_BMAC:
		bnx2x_init_bmac_loopback(params, vars);
		break;
	case LOOPBACK_EMAC:
		bnx2x_init_emac_loopback(params, vars);
		break;
12263 12264 12265 12266 12267 12268
	case LOOPBACK_XMAC:
		bnx2x_init_xmac_loopback(params, vars);
		break;
	case LOOPBACK_UMAC:
		bnx2x_init_umac_loopback(params, vars);
		break;
12269 12270 12271 12272 12273
	case LOOPBACK_XGXS:
	case LOOPBACK_EXT_PHY:
		bnx2x_init_xgxs_loopback(params, vars);
		break;
	default:
12274 12275 12276 12277 12278 12279
		if (!CHIP_IS_E3(bp)) {
			if (params->switch_cfg == SWITCH_CFG_10G)
				bnx2x_xgxs_deassert(params);
			else
				bnx2x_serdes_deassert(bp, params->port);
		}
Y
Yaniv Rosner 已提交
12280 12281 12282
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
12283
		break;
Y
Yaniv Rosner 已提交
12284
	}
12285
	bnx2x_update_mng(params, vars->link_status);
Y
Yuval Mintz 已提交
12286 12287

	bnx2x_update_mng_eee(params, vars->eee_status);
Y
Yaniv Rosner 已提交
12288 12289
	return 0;
}
Y
Yaniv Rosner 已提交
12290 12291 12292

int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		     u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
12293 12294
{
	struct bnx2x *bp = params->bp;
12295
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
12296
	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
Y
Yuval Mintz 已提交
12297
	/* Disable attentions */
Y
Yaniv Rosner 已提交
12298 12299
	vars->link_status = 0;
	bnx2x_update_mng(params, vars->link_status);
Y
Yuval Mintz 已提交
12300 12301 12302
	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
			      SHMEM_EEE_ACTIVE_BIT);
	bnx2x_update_mng_eee(params, vars->eee_status);
Y
Yaniv Rosner 已提交
12303
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
12304 12305 12306 12307
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12308

Y
Yuval Mintz 已提交
12309
	/* Activate nig drain */
Y
Yaniv Rosner 已提交
12310
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
12311

Y
Yuval Mintz 已提交
12312
	/* Disable nig egress interface */
12313 12314 12315 12316
	if (!CHIP_IS_E3(bp)) {
		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
12317

Y
Yaniv Rosner 已提交
12318 12319 12320 12321 12322 12323
		if (!CHIP_IS_E3(bp)) {
			bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
		} else {
			bnx2x_set_xmac_rxtx(params, 0);
			bnx2x_set_umac_rxtx(params, 0);
		}
Y
Yuval Mintz 已提交
12324
	/* Disable emac */
12325 12326
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
12327

Y
Yuval Mintz 已提交
12328
	usleep_range(10000, 20000);
L
Lucas De Marchi 已提交
12329
	/* The PHY reset is controlled by GPIO 1
Y
Yaniv Rosner 已提交
12330 12331
	 * Hold it as vars low
	 */
Y
Yuval Mintz 已提交
12332
	 /* Clear link led */
12333
	bnx2x_set_mdio_clk(bp, params->chip_id, port);
12334 12335
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
12336 12337 12338
	if (reset_ext_phy) {
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
12339 12340 12341
			if (params->phy[phy_index].link_reset) {
				bnx2x_set_aer_mmd(params,
						  &params->phy[phy_index]);
Y
Yaniv Rosner 已提交
12342 12343 12344
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
12345
			}
12346 12347 12348
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
12349 12350 12351
		}
	}

12352 12353 12354 12355 12356 12357
	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
12358 12359 12360
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
Y
Yaniv Rosner 已提交
12361

Y
Yuval Mintz 已提交
12362
	/* Disable nig ingress interface */
12363
	if (!CHIP_IS_E3(bp)) {
Y
Yuval Mintz 已提交
12364
		/* Reset BigMac */
12365 12366
		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12367 12368
		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12369 12370 12371 12372 12373 12374 12375
	} else {
		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
		bnx2x_set_xumac_nig(params, 0, 0);
		if (REG_RD(bp, MISC_REG_RESET_REG_2) &
		    MISC_REGISTERS_RESET_REG_2_XMAC)
			REG_WR(bp, xmac_base + XMAC_REG_CTRL,
			       XMAC_CTRL_REG_SOFT_RESET);
12376
	}
Y
Yaniv Rosner 已提交
12377
	vars->link_up = 0;
12378
	vars->phy_flags = 0;
Y
Yaniv Rosner 已提交
12379 12380
	return 0;
}
Y
Yaniv Rosner 已提交
12381 12382 12383 12384 12385 12386 12387 12388 12389 12390 12391 12392 12393 12394 12395 12396 12397 12398 12399 12400 12401 12402 12403 12404 12405 12406 12407 12408 12409 12410 12411 12412 12413 12414 12415 12416 12417 12418 12419 12420 12421 12422 12423 12424 12425 12426 12427 12428 12429 12430
int bnx2x_lfa_reset(struct link_params *params,
			       struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	vars->link_up = 0;
	vars->phy_flags = 0;
	if (!params->lfa_base)
		return bnx2x_link_reset(params, vars, 1);
	/*
	 * Activate NIG drain so that during this time the device won't send
	 * anything while it is unable to response.
	 */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);

	/*
	 * Close gracefully the gate from BMAC to NIG such that no half packets
	 * are passed.
	 */
	if (!CHIP_IS_E3(bp))
		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);

	if (CHIP_IS_E3(bp)) {
		bnx2x_set_xmac_rxtx(params, 0);
		bnx2x_set_umac_rxtx(params, 0);
	}
	/* Wait 10ms for the pipe to clean up*/
	usleep_range(10000, 20000);

	/* Clean the NIG-BRB using the network filters in a way that will
	 * not cut a packet in the middle.
	 */
	bnx2x_set_rx_filter(params, 0);

	/*
	 * Re-open the gate between the BMAC and the NIG, after verifying the
	 * gate to the BRB is closed, otherwise packets may arrive to the
	 * firmware before driver had initialized it. The target is to achieve
	 * minimum management protocol down time.
	 */
	if (!CHIP_IS_E3(bp))
		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);

	if (CHIP_IS_E3(bp)) {
		bnx2x_set_xmac_rxtx(params, 1);
		bnx2x_set_umac_rxtx(params, 1);
	}
	/* Disable NIG drain */
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
	return 0;
}
Y
Yaniv Rosner 已提交
12431

Y
Yaniv Rosner 已提交
12432 12433 12434
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
Y
Yaniv Rosner 已提交
12435 12436 12437 12438
static int 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
12439
{
Y
Yaniv Rosner 已提交
12440 12441
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
12442
	u16 val;
Y
Yaniv Rosner 已提交
12443
	s8 port = 0;
D
Dmitry Kravkov 已提交
12444
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
12445 12446 12447 12448 12449
	u32 swap_val, swap_override;
	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
	port ^= (swap_val && swap_override);
	bnx2x_ext_phy_hw_reset(bp, port);
Y
Yaniv Rosner 已提交
12450 12451
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12452 12453
		u32 shmem_base, shmem2_base;
		/* In E2, same phy is using for port0 of the two paths */
12454
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12455 12456 12457
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12458 12459 12460 12461
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12462 12463
		}

Y
Yaniv Rosner 已提交
12464
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12465
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12466
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12467 12468 12469 12470
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yuval Mintz 已提交
12471
		/* Disable attentions */
12472 12473
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
12474 12475 12476 12477
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12478 12479

		/* Need to take the phy out of low power mode in order
12480 12481
		 * to write to access its registers
		 */
Y
Yaniv Rosner 已提交
12482
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12483 12484
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12485 12486

		/* Reset the phy */
Y
Yaniv Rosner 已提交
12487
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12488 12489 12490
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
Y
Yaniv Rosner 已提交
12491 12492 12493 12494 12495
	}

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

Y
Yaniv Rosner 已提交
12496 12497 12498 12499 12500 12501 12502 12503
	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
12504 12505
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12506
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12507
			port_of_path = port;
12508 12509
		else
			port_of_path = 0;
Y
Yaniv Rosner 已提交
12510

D
Dmitry Kravkov 已提交
12511 12512
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12513 12514
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
Y
Yaniv Rosner 已提交
12515 12516 12517
			return -EINVAL;

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
12518
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12519 12520
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12521 12522

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
12523
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12524 12525 12526
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
Y
Yaniv Rosner 已提交
12527 12528
	}

12529
	/* Toggle Transmitter: Power down and then up with 600ms delay
12530 12531
	 * between
	 */
Y
Yaniv Rosner 已提交
12532 12533 12534 12535
	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
12536
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
12537
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
12538
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12539 12540
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12541

Y
Yaniv Rosner 已提交
12542
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12543 12544
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Y
Yuval Mintz 已提交
12545
		usleep_range(15000, 30000);
Y
Yaniv Rosner 已提交
12546 12547

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
12548
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12549 12550
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
12551
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12552 12553
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Y
Yaniv Rosner 已提交
12554 12555 12556

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12557
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
12558 12559 12560
	}
	return 0;
}
Y
Yaniv Rosner 已提交
12561 12562 12563 12564
static int 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
12565 12566 12567 12568 12569 12570 12571 12572 12573 12574 12575
{
	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);

12576
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yuval Mintz 已提交
12577
	usleep_range(5000, 10000);
Y
Yaniv Rosner 已提交
12578
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
12579 12580 12581
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12582
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12583 12584
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
12585 12586 12587
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
D
Dmitry Kravkov 已提交
12588
		}
Y
Yaniv Rosner 已提交
12589
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12590
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
12591 12592 12593 12594 12595 12596 12597 12598 12599 12600 12601 12602 12603
				       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,
Y
Yaniv Rosner 已提交
12604 12605
			       MISC_REGISTERS_GPIO_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12606 12607 12608 12609
	}

	return 0;
}
12610 12611 12612 12613 12614 12615 12616 12617 12618 12619 12620 12621 12622 12623 12624 12625 12626 12627 12628 12629 12630 12631 12632 12633 12634 12635 12636 12637 12638 12639 12640 12641 12642 12643 12644 12645 12646 12647 12648 12649 12650 12651 12652 12653 12654
static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
					 u8 *io_gpio, u8 *io_port)
{

	u32 phy_gpio_reset = REG_RD(bp, shmem_base +
					  offsetof(struct shmem_region,
				dev_info.port_hw_config[PORT_0].default_cfg));
	switch (phy_gpio_reset) {
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
		*io_gpio = 0;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
		*io_gpio = 1;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
		*io_gpio = 2;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
		*io_gpio = 3;
		*io_port = 0;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
		*io_gpio = 0;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
		*io_gpio = 1;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
		*io_gpio = 2;
		*io_port = 1;
		break;
	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
		*io_gpio = 3;
		*io_port = 1;
		break;
	default:
		/* Don't override the io_gpio and io_port */
		break;
	}
}
Y
Yaniv Rosner 已提交
12655 12656 12657 12658 12659

static int 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
12660
{
12661
	s8 port, reset_gpio;
E
Eilon Greenstein 已提交
12662
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
12663 12664
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
12665
	s8 port_of_path;
Y
Yaniv Rosner 已提交
12666 12667
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
E
Eilon Greenstein 已提交
12668

12669
	reset_gpio = MISC_REGISTERS_GPIO_1;
Y
Yaniv Rosner 已提交
12670
	port = 1;
E
Eilon Greenstein 已提交
12671

12672
	/* Retrieve the reset gpio/port which control the reset.
12673 12674 12675 12676
	 * Default is GPIO1, PORT1
	 */
	bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
				     (u8 *)&reset_gpio, (u8 *)&port);
Y
Yaniv Rosner 已提交
12677 12678 12679 12680

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

12681 12682 12683
	/* Initiate PHY reset*/
	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       port);
Y
Yuval Mintz 已提交
12684
	 usleep_range(1000, 2000);
12685 12686 12687
	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
		       port);

Y
Yuval Mintz 已提交
12688
	usleep_range(5000, 10000);
E
Eilon Greenstein 已提交
12689

E
Eilon Greenstein 已提交
12690
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
12691
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12692 12693 12694
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12695
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12696 12697 12698
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12699 12700 12701 12702
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12703 12704
		}

E
Eilon Greenstein 已提交
12705
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12706
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12707
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12708 12709 12710 12711
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
12712
		/* disable attentions */
D
Dmitry Kravkov 已提交
12713 12714 12715 12716 12717 12718
		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
12719 12720 12721


		/* Reset the phy */
Y
Yaniv Rosner 已提交
12722
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12723
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
E
Eilon Greenstein 已提交
12724 12725 12726 12727
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
12728 12729 12730 12731 12732 12733 12734
	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
12735
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
12736
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12737
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12738
			port_of_path = port;
12739 12740
		else
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12741 12742
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12743 12744
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
E
Eilon Greenstein 已提交
12745
			return -EINVAL;
12746 12747 12748 12749
		/* Disable PHY transmitter output */
		bnx2x_cl45_write(bp, phy_blk[port],
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_DISABLE, 1);
E
Eilon Greenstein 已提交
12750

12751
	}
E
Eilon Greenstein 已提交
12752 12753 12754
	return 0;
}

12755 12756 12757 12758 12759 12760 12761 12762 12763 12764 12765 12766 12767
static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
						u32 shmem_base_path[],
						u32 shmem2_base_path[],
						u8 phy_index,
						u32 chip_id)
{
	u8 reset_gpios;
	reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
	udelay(10);
	bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
	DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
		reset_gpios);
12768 12769
	return 0;
}
12770

12771 12772 12773 12774 12775 12776 12777
static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
					       struct bnx2x_phy *phy)
{
	u16 val, cnt;
	/* Wait for FW completing its initialization. */
	for (cnt = 0; cnt < 1500; cnt++) {
		bnx2x_cl45_read(bp, phy,
12778 12779
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, &val);
12780 12781
		if (!(val & (1<<15)))
			break;
Y
Yuval Mintz 已提交
12782
		 usleep_range(1000, 2000);
12783 12784 12785 12786
	}
	if (cnt >= 1500) {
		DP(NETIF_MSG_LINK, "84833 reset timeout\n");
		return -EINVAL;
12787 12788
	}

12789 12790 12791 12792 12793 12794 12795 12796 12797 12798 12799
	/* Put the port in super isolate mode. */
	bnx2x_cl45_read(bp, phy,
			MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
	val |= MDIO_84833_SUPER_ISOLATE;
	bnx2x_cl45_write(bp, phy,
			 MDIO_CTL_DEVAD,
			 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);

	/* Save spirom version */
	bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
12800 12801 12802
	return 0;
}

12803 12804 12805 12806 12807 12808 12809 12810 12811 12812 12813 12814 12815 12816 12817 12818 12819 12820 12821 12822 12823 12824
int bnx2x_pre_init_phy(struct bnx2x *bp,
				  u32 shmem_base,
				  u32 shmem2_base,
				  u32 chip_id)
{
	int rc = 0;
	struct bnx2x_phy phy;
	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
	if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
			       PORT_0, &phy)) {
		DP(NETIF_MSG_LINK, "populate_phy failed\n");
		return -EINVAL;
	}
	switch (phy.type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		rc = bnx2x_84833_pre_init_phy(bp, &phy);
		break;
	default:
		break;
	}
	return rc;
}
12825

Y
Yaniv Rosner 已提交
12826 12827 12828
static int 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
12829
{
Y
Yaniv Rosner 已提交
12830
	int rc = 0;
Y
Yaniv Rosner 已提交
12831 12832 12833

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
12834 12835 12836
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12837
		break;
Y
Yaniv Rosner 已提交
12838
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
E
Eilon Greenstein 已提交
12839 12840
	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
12841 12842 12843
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
Eilon Greenstein 已提交
12844 12845
		break;

E
Eilon Greenstein 已提交
12846
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12847
		/* GPIO1 affects both ports, so there's need to pull
12848 12849
		 * it for single port alone
		 */
D
Dmitry Kravkov 已提交
12850 12851 12852
		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12853
		break;
12854
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12855
		/* GPIO3's are linked, and so both need to be toggled
12856 12857
		 * to obtain required 2us pulse.
		 */
12858 12859 12860
		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
12861
		break;
Y
Yaniv Rosner 已提交
12862 12863
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
12864
		break;
Y
Yaniv Rosner 已提交
12865 12866
	default:
		DP(NETIF_MSG_LINK,
12867 12868
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
Y
Yaniv Rosner 已提交
12869 12870 12871
		break;
	}

Y
Yuval Mintz 已提交
12872
	if (rc)
12873 12874 12875
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 0);
Y
Yaniv Rosner 已提交
12876 12877 12878
	return rc;
}

Y
Yaniv Rosner 已提交
12879 12880
int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
			  u32 shmem2_base_path[], u32 chip_id)
Y
Yaniv Rosner 已提交
12881
{
Y
Yaniv Rosner 已提交
12882
	int rc = 0;
12883 12884
	u32 phy_ver, val;
	u8 phy_index = 0;
Y
Yaniv Rosner 已提交
12885
	u32 ext_phy_type, ext_phy_config;
12886 12887
	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Y
Yaniv Rosner 已提交
12888
	DP(NETIF_MSG_LINK, "Begin common phy init\n");
12889 12890 12891 12892 12893
	if (CHIP_IS_E3(bp)) {
		/* Enable EPIO */
		val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
		REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
	}
12894 12895 12896 12897 12898 12899 12900 12901 12902 12903
	/* Check if common init was already done */
	phy_ver = REG_RD(bp, shmem_base_path[0] +
			 offsetof(struct shmem_region,
				  port_mb[PORT_0].ext_phy_fw_version));
	if (phy_ver) {
		DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
			       phy_ver);
		return 0;
	}

Y
Yaniv Rosner 已提交
12904 12905 12906 12907
	/* 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,
D
Dmitry Kravkov 已提交
12908
							  shmem_base_path[0],
Y
Yaniv Rosner 已提交
12909 12910
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
Dmitry Kravkov 已提交
12911 12912 12913 12914
		rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, ext_phy_type,
						chip_id);
Y
Yaniv Rosner 已提交
12915 12916 12917
	}
	return rc;
}
12918

12919 12920 12921 12922 12923 12924 12925 12926 12927 12928 12929 12930 12931 12932 12933 12934 12935 12936 12937 12938 12939 12940 12941 12942 12943 12944 12945 12946 12947 12948 12949 12950 12951 12952
static void bnx2x_check_over_curr(struct link_params *params,
				  struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port = params->port;
	u32 pin_val;

	cfg_pin = (REG_RD(bp, params->shmem_base +
			  offsetof(struct shmem_region,
			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;

	/* Ignore check if no external input PIN available */
	if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
		return;

	if (!pin_val) {
		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
			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);
			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
		}
	} else
		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
}

12953 12954 12955 12956
/* Returns 0 if no change occured since last check; 1 otherwise. */
static u8 bnx2x_analyze_link_error(struct link_params *params,
				    struct link_vars *vars, u32 status,
				    u32 phy_flag, u32 link_flag, u8 notify)
12957 12958 12959 12960
{
	struct bnx2x *bp = params->bp;
	/* Compare new value with previous value */
	u8 led_mode;
12961
	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
12962

12963 12964
	if ((status ^ old_status) == 0)
		return 0;
12965 12966

	/* If values differ */
12967 12968 12969 12970 12971 12972 12973 12974 12975 12976 12977 12978
	switch (phy_flag) {
	case PHY_HALF_OPEN_CONN_FLAG:
		DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
		break;
	case PHY_SFP_TX_FAULT_FLAG:
		DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
		break;
	default:
		DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
	}
	DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
	   old_status, status);
12979

12980
	/* a. Update shmem->link_status accordingly
12981 12982
	 * b. Update link_vars->link_up
	 */
12983
	if (status) {
12984
		vars->link_status &= ~LINK_STATUS_LINK_UP;
12985
		vars->link_status |= link_flag;
12986
		vars->link_up = 0;
12987
		vars->phy_flags |= phy_flag;
12988 12989 12990

		/* activate nig drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12991
		/* Set LED mode to off since the PHY doesn't know about these
12992 12993 12994 12995 12996
		 * errors
		 */
		led_mode = LED_MODE_OFF;
	} else {
		vars->link_status |= LINK_STATUS_LINK_UP;
12997
		vars->link_status &= ~link_flag;
12998
		vars->link_up = 1;
12999
		vars->phy_flags &= ~phy_flag;
13000
		led_mode = LED_MODE_OPER;
13001 13002 13003

		/* Clear nig drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13004
	}
13005
	bnx2x_sync_link(params, vars);
13006 13007 13008 13009 13010 13011 13012 13013
	/* Update the LED according to the link state */
	bnx2x_set_led(params, vars, led_mode, SPEED_10000);

	/* Update link status in the shared memory */
	bnx2x_update_mng(params, vars->link_status);

	/* C. Trigger General Attention */
	vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13014 13015
	if (notify)
		bnx2x_notify_link_changed(bp);
13016 13017

	return 1;
13018 13019
}

Y
Yaniv Rosner 已提交
13020 13021 13022 13023 13024 13025 13026 13027 13028
/******************************************************************************
* Description:
*	This function checks for half opened connection change indication.
*	When such change occurs, it calls the bnx2x_analyze_link_error
*	to check if Remote Fault is set or cleared. Reception of remote fault
*	status message in the MAC indicates that the peer's MAC has detected
*	a fault, for example, due to break in the TX side of fiber.
*
******************************************************************************/
13029 13030 13031
int bnx2x_check_half_open_conn(struct link_params *params,
				struct link_vars *vars,
				u8 notify)
13032 13033 13034 13035 13036
{
	struct bnx2x *bp = params->bp;
	u32 lss_status = 0;
	u32 mac_base;
	/* In case link status is physically up @ 10G do */
13037 13038 13039
	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
		return 0;
13040

Y
Yaniv Rosner 已提交
13041
	if (CHIP_IS_E3(bp) &&
13042
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
Y
Yaniv Rosner 已提交
13043 13044
	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
		/* Check E3 XMAC */
13045
		/* Note that link speed cannot be queried here, since it may be
Y
Yaniv Rosner 已提交
13046 13047 13048 13049 13050 13051 13052 13053 13054 13055 13056 13057 13058
		 * zero while link is down. In case UMAC is active, LSS will
		 * simply not be set
		 */
		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;

		/* Clear stick bits (Requires rising edge) */
		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
		REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
		if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
			lss_status = 1;

13059 13060 13061
		bnx2x_analyze_link_error(params, vars, lss_status,
					 PHY_HALF_OPEN_CONN_FLAG,
					 LINK_STATUS_NONE, notify);
Y
Yaniv Rosner 已提交
13062 13063
	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13064 13065 13066 13067 13068 13069 13070 13071 13072 13073 13074 13075 13076 13077
		/* Check E1X / E2 BMAC */
		u32 lss_status_reg;
		u32 wb_data[2];
		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
			NIG_REG_INGRESS_BMAC0_MEM;
		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
		if (CHIP_IS_E2(bp))
			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
		else
			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;

		REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
		lss_status = (wb_data[0] > 0);

13078 13079 13080
		bnx2x_analyze_link_error(params, vars, lss_status,
					 PHY_HALF_OPEN_CONN_FLAG,
					 LINK_STATUS_NONE, notify);
13081
	}
13082
	return 0;
13083
}
13084 13085 13086 13087 13088 13089 13090
static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
					 struct link_params *params,
					 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin, value = 0;
	u8 led_change, port = params->port;
13091

13092 13093 13094 13095 13096 13097 13098 13099 13100 13101 13102 13103 13104 13105 13106 13107 13108 13109 13110 13111 13112 13113 13114 13115 13116 13117 13118 13119 13120 13121 13122 13123 13124 13125 13126
	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
	cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;

	if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
		DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
		return;
	}

	led_change = bnx2x_analyze_link_error(params, vars, value,
					      PHY_SFP_TX_FAULT_FLAG,
					      LINK_STATUS_SFP_TX_FAULT, 1);

	if (led_change) {
		/* Change TX_Fault led, set link status for further syncs */
		u8 led_mode;

		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
			led_mode = MISC_REGISTERS_GPIO_HIGH;
			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
		} else {
			led_mode = MISC_REGISTERS_GPIO_LOW;
			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
		}

		/* If module is unapproved, led should be on regardless */
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
			DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
			   led_mode);
			bnx2x_set_e3_module_fault_led(params, led_mode);
		}
	}
}
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void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
{
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	u16 phy_idx;
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	struct bnx2x *bp = params->bp;
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	for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
		if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
			bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
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			if (bnx2x_check_half_open_conn(params, vars, 1) !=
			    0)
				DP(NETIF_MSG_LINK, "Fault detection failed\n");
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			break;
		}
	}

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	if (CHIP_IS_E3(bp)) {
		struct bnx2x_phy *phy = &params->phy[INT_PHY];
		bnx2x_set_aer_mmd(params, phy);
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		bnx2x_check_over_curr(params, vars);
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		if (vars->rx_tx_asic_rst)
			bnx2x_warpcore_config_runtime(phy, params, vars);

		if ((REG_RD(bp, params->shmem_base +
			    offsetof(struct shmem_region, dev_info.
				port_hw_config[params->port].default_cfg))
		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
			if (bnx2x_is_sfp_module_plugged(phy, params)) {
				bnx2x_sfp_tx_fault_detection(phy, params, vars);
			} else if (vars->link_status &
				LINK_STATUS_SFP_TX_FAULT) {
				/* Clean trail, interrupt corrects the leds */
				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
				/* Update link status in the shared memory */
				bnx2x_update_mng(params, vars->link_status);
			}
		}

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	}

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}

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u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
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{
	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,
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				       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,
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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,
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				       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;
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	struct bnx2x *bp = params->bp;
	bnx2x_update_mng(params, 0);
	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));

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
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	      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;
		}
	}
}
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void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
			    u8 port)
{
	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
	u32 val;
	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
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	if (CHIP_IS_E3(bp)) {
		if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
					      shmem_base,
					      port,
					      &gpio_num,
					      &gpio_port) != 0)
			return;
	} else {
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		struct bnx2x_phy phy;
		for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
		      phy_index++) {
			if (bnx2x_populate_phy(bp, phy_index, shmem_base,
					       shmem2_base, port, &phy)
			    != 0) {
				DP(NETIF_MSG_LINK, "populate phy failed\n");
				return;
			}
			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
				gpio_num = MISC_REGISTERS_GPIO_3;
				gpio_port = port;
				break;
			}
		}
	}

	if (gpio_num == 0xff)
		return;

	/* Set GPIO3 to trigger SFP+ module insertion/removal */
	bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);

	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
	gpio_port ^= (swap_val && swap_override);

	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
		(gpio_num + (gpio_port << 2));

	sync_offset = shmem_base +
		offsetof(struct shmem_region,
			 dev_info.port_hw_config[port].aeu_int_mask);
	REG_WR(bp, sync_offset, vars->aeu_int_mask);

	DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
		       gpio_num, gpio_port, vars->aeu_int_mask);

	if (port == 0)
		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
	else
		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;

	/* Open appropriate AEU for interrupts */
	aeu_mask = REG_RD(bp, offset);
	aeu_mask |= vars->aeu_int_mask;
	REG_WR(bp, offset, aeu_mask);

	/* Enable the GPIO to trigger interrupt */
	val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
	val |= 1 << (gpio_num + (gpio_port << 2));
	REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
}