bnx2x_link.c 385.3 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 LINK_UPDATE_MASK \
			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
			 LINK_STATUS_LINK_UP | \
			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
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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);
441
	/* For strict priority entries defines the number of consecutive
442 443
	 * slots for the highest priority.
	 */
444
	REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
445
	/* mapping between the CREDIT_WEIGHT registers and actual client
446 447 448 449 450 451 452 453 454 455 456
	 * 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);
457
	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
458 459 460 461 462 463 464 465 466 467
	 * 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;
638 639 640
	/* 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.
	 */
641
	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;

670
	/* 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);
698 699 700
	/* 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.
	 */
701
	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)) {
725 726
		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.
740
*
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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.
869
*
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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++) {
883
		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");
888
				/* This is to prevent a state when ramrods
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				 * can't be sent
890
				 */
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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 */
900 901
	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
		if (*total_bw == 0) {
902
			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;
		}
906
		DP(NETIF_MSG_LINK,
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		   "bnx2x_ets_E3B0_config total BW should be 100\n");
908
		/* 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.
918
*
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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.
930
*
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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;

941 942 943 944 945 946
	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;
	}

947
	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 "
949
				   "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.
963
*
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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.
980
*
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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.
996
*
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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)
1012
*
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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++) {
1032 1033
		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.*/
1047
			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)) {
1125 1126
		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);
1142
	if (bnx2x_status) {
1143 1144
		DP(NETIF_MSG_LINK,
		   "bnx2x_ets_E3B0_config get_total_bw failed\n");
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		return -EINVAL;
	}

1148
	/* 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);
1158
			/* 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 {
1177 1178
			DP(NETIF_MSG_LINK,
			   "bnx2x_ets_e3b0_config cos state not valid\n");
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			return -EINVAL;
		}
1181
		if (bnx2x_status) {
1182 1183
			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);

1192
	if (bnx2x_status) {
1193 1194
		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);

1203
	if (bnx2x_status) {
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		DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
		return bnx2x_status;
	}
	return 0;
}
1209
static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1210 1211 1212 1213
{
	/* ETS disabled configuration */
	struct bnx2x *bp = params->bp;
	DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1214
	/* Defines which entries (clients) are subjected to WFQ arbitration
1215 1216 1217
	 * COS0 0x8
	 * COS1 0x10
	 */
1218
	REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1219
	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1220 1221 1222 1223 1224
	 * 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
	 */
1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236
	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);
1237
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1238 1239 1240 1241 1242 1243
	 * 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
	 */
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263
	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");

1264 1265 1266
	if ((!total_bw) ||
	    (!cos0_bw) ||
	    (!cos1_bw)) {
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		DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284
		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)
1286 1287 1288 1289 1290 1291
{
	/* ETS disabled configuration*/
	struct bnx2x *bp = params->bp;
	u32 val	= 0;

	DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1292
	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1293 1294 1295 1296 1297 1298 1299
	 * 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);
1300
	/* For strict priority entries defines the number of consecutive slots
1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311
	 * 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);

1312
	/* Mapping between entry  priority to client number (0,1,2 -debug and
1313 1314 1315 1316 1317 1318
	 * 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
	 */
1319
	val = (!strict_cos) ? 0x2318 : 0x22E0;
1320 1321 1322 1323
	REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);

	return 0;
}
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1324

1325
/******************************************************************/
1326
/*			PFC section				  */
1327
/******************************************************************/
1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347
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)) {

1348
		/* RX flow control - Process pause frame in receive direction
1349 1350 1351 1352
		 */
		if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;

1353
		/* TX flow control - Send pause packet when buffer is full */
1354 1355 1356 1357 1358 1359
		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;

1368 1369 1370 1371 1372 1373 1374 1375
	}

	/* 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])));
1385

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	udelay(30);
}
1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420


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*/
1422 1423 1424 1425 1426 1427
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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1429 1430 1431 1432 1433
	DP(NETIF_MSG_LINK, "pfc statistic\n");

	if (!vars->link_up)
		return;

1434
	if (vars->mac_type == MAC_TYPE_EMAC) {
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		DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
1436 1437 1438 1439 1440 1441 1442
		bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
					pfc_frames_received);
	}
}
/******************************************************************/
/*			MAC/PBF section				  */
/******************************************************************/
1443 1444 1445
static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
{
	u32 mode, emac_base;
1446
	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1447 1448 1449 1450 1451 1452 1453 1454 1455 1456
	 * (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);
1457 1458 1459 1460
	if (USES_WARPCORE(bp))
		mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
	else
		mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
1461 1462 1463 1464 1465 1466

	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);
1499
	EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
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	timeout = 200;
1502
	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--;
1510
	} while (val & EMAC_MODE_RESET);
1511
	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]);
1515
	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]);
1521
	EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
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}

1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537
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)
1539 1540
{
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
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	u32 val;
1542 1543 1544 1545
	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);
1553
	/* Disable RX and TX */
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	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1555 1556
}

1557 1558 1559 1560 1561 1562 1563 1564 1565
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);
1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597

	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;
	}
1598 1599 1600 1601 1602 1603
	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;

1604 1605 1606
	if (vars->duplex == DUPLEX_HALF)
		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;

1607 1608 1609
	REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
	udelay(50);

1610 1611 1612 1613 1614 1615 1616 1617 1618 1619
	/* 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])));

1630 1631 1632
	/* Enable RX and TX */
	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1633
		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644
	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);

1645
	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1646 1647 1648 1649 1650 1651 1652 1653 1654 1655
	 * 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 */
1656
static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1657
{
1658
	struct bnx2x *bp = params->bp;
1659 1660
	u32 is_port4mode = bnx2x_is_4_port_mode(bp);

1661
	/* 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) &&
1668
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
1669
	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1670 1671
		DP(NETIF_MSG_LINK,
		   "XMAC already out of reset in 4-port mode\n");
1672 1673 1674 1675 1676 1677
		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);
1679 1680 1681 1682 1683 1684

	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");

1685
		/* Set the number of ports on the system side to up to 2 */
1686 1687 1688 1689 1690
		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 {
1691
		/* Set the number of ports on the system side to 1 */
1692 1693
		REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
		if (max_speed == SPEED_10000) {
1694 1695
			DP(NETIF_MSG_LINK,
			   "Init XMAC to 10G x 1 port per path\n");
1696 1697 1698
			/* Set the number of ports on the Warp Core to 10G */
			REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
		} else {
1699 1700
			DP(NETIF_MSG_LINK,
			   "Init XMAC to 20G x 2 ports per path\n");
1701 1702 1703 1704 1705 1706 1707
			/* 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);
1709 1710 1711 1712 1713 1714

	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)
1716 1717 1718
{
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
1719
	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
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	u32 val;
1721 1722 1723

	if (REG_RD(bp, MISC_REG_RESET_REG_2) &
	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1724
		/* Send an indication to change the state in the NIG back to XON
1725 1726 1727 1728 1729 1730 1731 1732
		 * 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)));
1733
		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);
1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751
	}
}

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;

1752
	bnx2x_xmac_init(params, vars->line_speed);
1753

1754
	/* This register determines on which events the MAC will assert
1755 1756 1757
	 * error on the i/f to the NIG along w/ EOP.
	 */

1758
	/* This register tells the NIG whether to send traffic to UMAC
1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771
	 * 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);
	}

1780 1781 1782 1783 1784
	/* 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;
1786 1787 1788 1789 1790 1791 1792 1793
	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,
1796
			     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");

Y
Yaniv Rosner 已提交
1805 1806 1807 1808
	/* Disable BMAC */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));

Y
Yaniv Rosner 已提交
1809 1810 1811 1812 1813 1814
	/* 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
1815 1816
				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
Yaniv Rosner 已提交
1817 1818 1819

		DP(NETIF_MSG_LINK, "XGXS\n");
		/* select the master lanes (out of 0-3) */
Y
Yaniv Rosner 已提交
1820
		REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
Y
Yaniv Rosner 已提交
1821
		/* select XGXS */
Y
Yaniv Rosner 已提交
1822
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Y
Yaniv Rosner 已提交
1823 1824 1825 1826

	} else { /* SerDes */
		DP(NETIF_MSG_LINK, "SerDes\n");
		/* select SerDes */
Y
Yaniv Rosner 已提交
1827
		REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
Y
Yaniv Rosner 已提交
1828 1829
	}

E
Eilon Greenstein 已提交
1830
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
Y
Yaniv Rosner 已提交
1831
		      EMAC_RX_MODE_RESET);
E
Eilon Greenstein 已提交
1832
	bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Y
Yaniv Rosner 已提交
1833
		      EMAC_TX_MODE_RESET);
Y
Yaniv Rosner 已提交
1834 1835 1836 1837 1838 1839

		/* 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,
1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856
			       (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
1857 1858 1859 1860

	/* 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;
1861

1862
	/* Setting this bit causes MAC control frames (except for pause
1863 1864 1865 1866 1867 1868
	 * 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.
	 */
1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884
	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;
	}
1885
	EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Y
Yaniv Rosner 已提交
1886 1887 1888 1889 1890 1891 1892

	/* Set Loopback */
	val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
	if (lb)
		val |= 0x810;
	else
		val &= ~0x810;
1893
	EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Y
Yaniv Rosner 已提交
1894

Y
Yuval Mintz 已提交
1895
	/* Enable emac */
E
Eilon Greenstein 已提交
1896 1897
	REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);

Y
Yuval Mintz 已提交
1898
	/* Enable emac for jumbo packets */
1899
	EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Y
Yaniv Rosner 已提交
1900 1901 1902
		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
		 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));

Y
Yuval Mintz 已提交
1903
	/* Strip CRC */
Y
Yaniv Rosner 已提交
1904 1905
	REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);

Y
Yuval Mintz 已提交
1906
	/* Disable the NIG in/out to the bmac */
Y
Yaniv Rosner 已提交
1907 1908 1909 1910
	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
1911
	/* Enable the NIG in/out to the emac */
Y
Yaniv Rosner 已提交
1912 1913
	REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
	val = 0;
1914 1915 1916
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
Yaniv Rosner 已提交
1917 1918 1919 1920 1921
		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);

1922
	REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Y
Yaniv Rosner 已提交
1923 1924 1925 1926 1927

	vars->mac_type = MAC_TYPE_EMAC;
	return 0;
}

1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945
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
1946
	/* TX control */
1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959
	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
1960
{
1961
	/* Set rx control: Strip CRC and enable BigMAC to relay
D
Dmitry Kravkov 已提交
1962 1963 1964 1965 1966 1967 1968
	 * 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
1969

1970 1971 1972
	if ((!(params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED)) &&
		(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
D
Dmitry Kravkov 已提交
1973 1974 1975 1976
		/* 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
1977
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
1978
	udelay(30);
Y
Yaniv Rosner 已提交
1979

D
Dmitry Kravkov 已提交
1980 1981
	/* Tx control */
	val = 0xc0;
1982 1983 1984
	if (!(params->feature_config_flags &
				FEATURE_CONFIG_PFC_ENABLED) &&
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
D
Dmitry Kravkov 已提交
1985 1986 1987
		val |= 0x800000;
	wb_data[0] = val;
	wb_data[1] = 0;
1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005
	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
2006
		/* Disable PFC RX & TX & STATS and set 8 COS */
2007 2008 2009 2010 2011
		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
2012

2013
	/* Set Time (based unit is 512 bit time) between automatic
2014 2015 2016 2017
	 * 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
2018
	val = 0x8000;
2019 2020 2021
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		val |= (1<<16); /* enable automatic re-send */

D
Dmitry Kravkov 已提交
2022 2023 2024
	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
2025
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2026 2027 2028 2029 2030 2031 2032

	/* mac control */
	val = 0x3; /* Enable RX and TX */
	if (is_lb) {
		val |= 0x4; /* Local loopback */
		DP(NETIF_MSG_LINK, "enable bmac loopback\n");
	}
2033 2034 2035
	/* 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
2036 2037 2038

	wb_data[0] = val;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2039
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
2040 2041
}

2042 2043 2044 2045 2046
/******************************************************************************
* 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
2047 2048 2049
static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
					   u8 cos_entry,
					   u32 priority_mask, u8 port)
2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089
{
	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
2090 2091 2092 2093 2094 2095 2096 2097 2098
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);
}

2099 2100 2101 2102 2103
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;
2104
	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2105 2106
	u32 pkt_priority_to_cos = 0;
	struct bnx2x *bp = params->bp;
2107 2108
	u8 port = params->port;

2109 2110 2111 2112
	int set_pfc = params->feature_config_flags &
		FEATURE_CONFIG_PFC_ENABLED;
	DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");

2113
	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2114 2115 2116
	 * MAC control frames (that are not pause packets)
	 * will be forwarded to the XCM.
	 */
2117 2118
	xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
			  NIG_REG_LLH0_XCM_MASK);
2119
	/* NIG params will override non PFC params, since it's possible to
2120 2121 2122 2123 2124 2125
	 * do transition from PFC to SAFC
	 */
	if (set_pfc) {
		pause_enable = 0;
		llfc_out_en = 0;
		llfc_enable = 0;
2126 2127 2128
		if (CHIP_IS_E3(bp))
			ppp_enable = 0;
		else
2129 2130 2131
		ppp_enable = 1;
		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2132 2133
		xcm_out_en = 0;
		hwpfc_enable = 1;
2134 2135 2136 2137 2138
	} else  {
		if (nig_params) {
			llfc_out_en = nig_params->llfc_out_en;
			llfc_enable = nig_params->llfc_enable;
			pause_enable = nig_params->pause_enable;
2139
		} else  /* Default non PFC mode - PAUSE */
2140 2141 2142 2143
			pause_enable = 1;

		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2144
		xcm_out_en = 1;
2145 2146
	}

2147 2148 2149
	if (CHIP_IS_E3(bp))
		REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162
	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);

2163 2164
	REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2165

Y
Yuval Mintz 已提交
2166
	/* Output enable for RX_XCM # IF */
2167 2168
	REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2169 2170

	/* HW PFC TX enable */
2171 2172
	REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2173 2174

	if (nig_params) {
2175
		u8 i = 0;
2176 2177
		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;

2178 2179 2180
		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);
2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194

		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);
}

2195
int bnx2x_update_pfc(struct link_params *params,
2196 2197 2198
		      struct link_vars *vars,
		      struct bnx2x_nig_brb_pfc_port_params *pfc_params)
{
2199
	/* The PFC and pause are orthogonal to one another, meaning when
2200 2201 2202 2203 2204
	 * 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;
2205 2206
	int bnx2x_status = 0;
	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
Y
Yaniv Rosner 已提交
2207 2208 2209 2210 2211 2212 2213 2214

	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
2215
	/* Update NIG params */
2216 2217 2218
	bnx2x_update_pfc_nig(params, vars, pfc_params);

	if (!vars->link_up)
2219
		return bnx2x_status;
2220 2221

	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2222 2223 2224 2225 2226

	if (CHIP_IS_E3(bp)) {
		if (vars->mac_type == MAC_TYPE_XMAC)
			bnx2x_update_pfc_xmac(params, vars, 0);
	} else {
2227 2228
		val = REG_RD(bp, MISC_REG_RESET_REG_2);
		if ((val &
2229
		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247
		    == 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;
2248
}
D
Dmitry Kravkov 已提交
2249

2250

Y
Yaniv Rosner 已提交
2251 2252 2253
static int bnx2x_bmac1_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
Y
Yaniv Rosner 已提交
2254 2255 2256 2257 2258 2259 2260 2261
{
	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
2262
	DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Y
Yaniv Rosner 已提交
2263 2264 2265 2266

	/* XGXS control */
	wb_data[0] = 0x3c;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2267 2268
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
Y
Yaniv Rosner 已提交
2269

Y
Yuval Mintz 已提交
2270
	/* TX MAC SA */
Y
Yaniv Rosner 已提交
2271 2272 2273 2274 2275 2276
	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
2277
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
Y
Yaniv Rosner 已提交
2278

Y
Yuval Mintz 已提交
2279
	/* MAC control */
Y
Yaniv Rosner 已提交
2280 2281 2282 2283 2284 2285 2286
	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
2287
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
Y
Yaniv Rosner 已提交
2288

Y
Yuval Mintz 已提交
2289
	/* Set rx mtu */
Y
Yaniv Rosner 已提交
2290 2291
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2292
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2293

2294
	bnx2x_update_pfc_bmac1(params, vars);
Y
Yaniv Rosner 已提交
2295

Y
Yuval Mintz 已提交
2296
	/* Set tx mtu */
Y
Yaniv Rosner 已提交
2297 2298
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2299
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2300

Y
Yuval Mintz 已提交
2301
	/* Set cnt max size */
Y
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2302 2303
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2304
	REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
Y
Yaniv Rosner 已提交
2305

Y
Yuval Mintz 已提交
2306
	/* Configure SAFC */
Y
Yaniv Rosner 已提交
2307 2308 2309 2310
	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
2311 2312 2313 2314

	return 0;
}

Y
Yaniv Rosner 已提交
2315 2316 2317
static int bnx2x_bmac2_enable(struct link_params *params,
			      struct link_vars *vars,
			      u8 is_lb)
D
Dmitry Kravkov 已提交
2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328
{
	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
2329
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
D
Dmitry Kravkov 已提交
2330 2331 2332 2333 2334
	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
2335 2336
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2337 2338 2339

	udelay(30);

Y
Yuval Mintz 已提交
2340
	/* TX MAC SA */
D
Dmitry Kravkov 已提交
2341 2342 2343 2344 2345 2346 2347
	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
2348
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2349 2350 2351 2352 2353 2354 2355

	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
2356
		    wb_data, 2);
D
Dmitry Kravkov 已提交
2357 2358
	udelay(30);

Y
Yuval Mintz 已提交
2359
	/* Set RX MTU */
D
Dmitry Kravkov 已提交
2360 2361
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2362
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2363 2364
	udelay(30);

Y
Yuval Mintz 已提交
2365
	/* Set TX MTU */
D
Dmitry Kravkov 已提交
2366 2367
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2368
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2369
	udelay(30);
Y
Yuval Mintz 已提交
2370
	/* Set cnt max size */
D
Dmitry Kravkov 已提交
2371 2372
	wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
	wb_data[1] = 0;
Y
Yaniv Rosner 已提交
2373
	REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
D
Dmitry Kravkov 已提交
2374
	udelay(30);
2375
	bnx2x_update_pfc_bmac2(params, vars, is_lb);
D
Dmitry Kravkov 已提交
2376 2377 2378 2379

	return 0;
}

Y
Yaniv Rosner 已提交
2380 2381
static int bnx2x_bmac_enable(struct link_params *params,
			     struct link_vars *vars,
Y
Yaniv Rosner 已提交
2382
			     u8 is_lb, u8 reset_bmac)
D
Dmitry Kravkov 已提交
2383
{
Y
Yaniv Rosner 已提交
2384 2385
	int rc = 0;
	u8 port = params->port;
D
Dmitry Kravkov 已提交
2386 2387
	struct bnx2x *bp = params->bp;
	u32 val;
Y
Yuval Mintz 已提交
2388
	/* Reset and unreset the BigMac */
Y
Yaniv Rosner 已提交
2389 2390 2391 2392 2393
	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
2394 2395

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
Y
Yaniv Rosner 已提交
2396
	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
D
Dmitry Kravkov 已提交
2397

Y
Yuval Mintz 已提交
2398
	/* Enable access for bmac registers */
D
Dmitry Kravkov 已提交
2399 2400 2401 2402 2403 2404 2405
	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
2406 2407 2408 2409
	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;
2410 2411 2412
	if ((params->feature_config_flags &
	      FEATURE_CONFIG_PFC_ENABLED) ||
	    (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
Y
Yaniv Rosner 已提交
2413 2414 2415 2416 2417 2418 2419 2420 2421
		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
2422
	return rc;
Y
Yaniv Rosner 已提交
2423 2424
}

Y
Yaniv Rosner 已提交
2425
static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
Y
Yaniv Rosner 已提交
2426 2427
{
	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
Y
Yaniv Rosner 已提交
2428
			NIG_REG_INGRESS_BMAC0_MEM;
Y
Yaniv Rosner 已提交
2429
	u32 wb_data[2];
2430
	u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Y
Yaniv Rosner 已提交
2431

Y
Yaniv Rosner 已提交
2432 2433 2434 2435
	if (CHIP_IS_E2(bp))
		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
	else
		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
Y
Yaniv Rosner 已提交
2436 2437 2438 2439
	/* 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
2440 2441 2442 2443 2444
		/* 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
2445
			wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
Y
Yaniv Rosner 已提交
2446
		REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
Y
Yuval Mintz 已提交
2447
		usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
2448 2449 2450
	}
}

Y
Yaniv Rosner 已提交
2451 2452
static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
			    u32 line_speed)
Y
Yaniv Rosner 已提交
2453 2454 2455 2456 2457 2458
{
	struct bnx2x *bp = params->bp;
	u8 port = params->port;
	u32 init_crd, crd;
	u32 count = 1000;

Y
Yuval Mintz 已提交
2459
	/* Disable port */
Y
Yaniv Rosner 已提交
2460 2461
	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);

Y
Yuval Mintz 已提交
2462
	/* Wait for init credit */
Y
Yaniv Rosner 已提交
2463 2464 2465 2466 2467
	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
2468
		usleep_range(5000, 10000);
Y
Yaniv Rosner 已提交
2469 2470 2471 2472 2473 2474 2475 2476 2477 2478
		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;
	}

2479
	if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Y
Yaniv Rosner 已提交
2480 2481 2482 2483 2484
	    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
2485
		/* Update threshold */
Y
Yaniv Rosner 已提交
2486
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
Y
Yuval Mintz 已提交
2487
		/* Update init credit */
Y
Yaniv Rosner 已提交
2488
		init_crd = 778;		/* (800-18-4) */
Y
Yaniv Rosner 已提交
2489 2490 2491 2492

	} else {
		u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
			      ETH_OVREHEAD)/16;
Y
Yaniv Rosner 已提交
2493
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Y
Yuval Mintz 已提交
2494
		/* Update threshold */
Y
Yaniv Rosner 已提交
2495
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
Y
Yuval Mintz 已提交
2496
		/* Update init credit */
Y
Yaniv Rosner 已提交
2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510
		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
2511
	/* Probe the credit changes */
Y
Yaniv Rosner 已提交
2512
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
Y
Yuval Mintz 已提交
2513
	usleep_range(5000, 10000);
Y
Yaniv Rosner 已提交
2514 2515
	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);

Y
Yuval Mintz 已提交
2516
	/* Enable port */
Y
Yaniv Rosner 已提交
2517 2518 2519 2520
	REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
	return 0;
}

2521 2522
/**
 * bnx2x_get_emac_base - retrive emac base address
2523
 *
2524 2525 2526
 * @bp:			driver handle
 * @mdc_mdio_access:	access type
 * @port:		port id
2527 2528 2529 2530 2531 2532 2533 2534 2535
 *
 * 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
 */
2536 2537
static u32 bnx2x_get_emac_base(struct bnx2x *bp,
			       u32 mdc_mdio_access, u8 port)
Y
Yaniv Rosner 已提交
2538
{
2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549
	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
2550 2551 2552 2553
		if (REG_RD(bp, NIG_REG_PORT_SWAP))
			emac_base = GRCBASE_EMAC0;
		else
			emac_base = GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2554
		break;
2555 2556 2557 2558
	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
2559
		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Y
Yaniv Rosner 已提交
2560 2561 2562 2563 2564 2565 2566 2567
		break;
	default:
		break;
	}
	return emac_base;

}

Y
Yaniv Rosner 已提交
2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582
/******************************************************************/
/*			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
2583
	/* Address */
Y
Yaniv Rosner 已提交
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 2610 2611 2612 2613 2614 2615 2616 2617 2618
	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
2619
	/* Address */
Y
Yaniv Rosner 已提交
2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644
	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;
}

2645 2646 2647
/******************************************************************/
/*			CL45 access functions			  */
/******************************************************************/
2648 2649
static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
			   u8 devad, u16 reg, u16 *ret_val)
Y
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2650
{
2651 2652
	u32 val;
	u16 i;
Y
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2653
	int rc = 0;
2654 2655 2656
	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
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	/* Address */
2658
	val = ((phy->addr << 21) | (devad << 16) | reg |
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2659 2660
	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
2661
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Y
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2662 2663 2664 2665

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

2666 2667
		val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
Y
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2668 2669 2670 2671
			udelay(5);
			break;
		}
	}
2672 2673
	if (val & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "read phy register failed\n");
2674
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2675
		*ret_val = 0;
Y
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2676 2677
		rc = -EFAULT;
	} else {
Y
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2678
		/* Data */
2679 2680
		val = ((phy->addr << 21) | (devad << 16) |
		       EMAC_MDIO_COMM_COMMAND_READ_45 |
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		       EMAC_MDIO_COMM_START_BUSY);
2682
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
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2683 2684 2685 2686

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

2687
			val = REG_RD(bp, phy->mdio_ctrl +
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				     EMAC_REG_EMAC_MDIO_COMM);
2689 2690
			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
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				break;
			}
		}
2694 2695
		if (val & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "read phy register failed\n");
2696
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2697
			*ret_val = 0;
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			rc = -EFAULT;
		}
	}
2701 2702 2703 2704 2705 2706 2707 2708
	/* 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);
		}
	}
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2710 2711 2712
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
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	return rc;
}

2716 2717
static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
			    u8 devad, u16 reg, u16 val)
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{
2719 2720
	u32 tmp;
	u8 i;
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	int rc = 0;
2722 2723 2724
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			      EMAC_MDIO_STATUS_10MB);
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	/* Address */
2727
	tmp = ((phy->addr << 21) | (devad << 16) | reg |
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	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
	       EMAC_MDIO_COMM_START_BUSY);
2730
	REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
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2731 2732 2733 2734

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

2735 2736
		tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
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			udelay(5);
			break;
		}
	}
2741 2742
	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
		DP(NETIF_MSG_LINK, "write phy register failed\n");
2743
		netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
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2744 2745
		rc = -EFAULT;
	} else {
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2746
		/* Data */
2747 2748
		tmp = ((phy->addr << 21) | (devad << 16) | val |
		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
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		       EMAC_MDIO_COMM_START_BUSY);
2750
		REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Y
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2751 2752 2753 2754

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

2755
			tmp = REG_RD(bp, phy->mdio_ctrl +
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				     EMAC_REG_EMAC_MDIO_COMM);
2757 2758
			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
				udelay(5);
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				break;
			}
		}
2762 2763
		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
			DP(NETIF_MSG_LINK, "write phy register failed\n");
2764
			netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
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			rc = -EFAULT;
		}
	}
2768 2769 2770 2771 2772 2773 2774 2775
	/* 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);
		}
	}
2776 2777 2778
	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
			       EMAC_MDIO_STATUS_10MB);
2779 2780
	return rc;
}
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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 3011 3012 3013 3014 3015 3016 3017 3018 3019

/******************************************************************/
/*			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;
	}

}

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 3066 3067 3068 3069 3070 3071 3072 3073 3074
/******************************************************************/
/*			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
3075
	/* Enable the engine */
3076 3077 3078 3079
	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
3080
	/* Program slave device ID */
3081 3082 3083
	val = (sl_devid << 16) | sl_addr;
	REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);

Y
Yuval Mintz 已提交
3084
	/* Start xfer with 0 byte to update the address pointer ???*/
3085 3086 3087 3088 3089 3090
	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
3091
	/* Poll for completion */
3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106
	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
3107
	/* Start xfer with read op */
3108 3109 3110 3111 3112 3113 3114
	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
3115
	/* Poll for completion */
3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138
	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
3139 3140 3141
	return rc;
}

3142 3143 3144 3145 3146 3147 3148 3149
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
3150 3151
int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
		   u8 devad, u16 reg, u16 *ret_val)
Y
Yaniv Rosner 已提交
3152 3153
{
	u8 phy_index;
3154
	/* Probe for the phy according to the given phy_addr, and execute
Y
Yaniv Rosner 已提交
3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166
	 * 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
3167 3168
int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
		    u8 devad, u16 reg, u16 val)
Y
Yaniv Rosner 已提交
3169 3170
{
	u8 phy_index;
3171
	/* Probe for the phy according to the given phy_addr, and execute
Y
Yaniv Rosner 已提交
3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182
	 * 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;
}
3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196
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;

3197
		/* Figure out path swap value */
3198 3199 3200 3201 3202 3203 3204 3205 3206
		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;

3207
		/* Figure out port swap value */
3208 3209 3210 3211 3212 3213 3214 3215 3216 3217
		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
3218
	} else { /* Two port mode - no port swap */
3219

3220
		/* Figure out path swap value */
3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235
		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
3236

Y
Yaniv Rosner 已提交
3237 3238
static void bnx2x_set_aer_mmd(struct link_params *params,
			      struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
3239 3240
{
	u32 ser_lane;
D
Dmitry Kravkov 已提交
3241 3242
	u16 offset, aer_val;
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
3243 3244 3245 3246
	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
3247 3248 3249
	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
		(phy->addr + ser_lane) : 0;

3250 3251
	if (USES_WARPCORE(bp)) {
		aer_val = bnx2x_get_warpcore_lane(phy, params);
3252
		/* In Dual-lane mode, two lanes are joined together,
3253 3254 3255 3256 3257 3258 3259 3260
		 * 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))
3261
		aer_val = 0x3800 + offset - 1;
D
Dmitry Kravkov 已提交
3262 3263
	else
		aer_val = 0x3800 + offset;
Y
Yaniv Rosner 已提交
3264

Y
Yaniv Rosner 已提交
3265
	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
Y
Yaniv Rosner 已提交
3266
			  MDIO_AER_BLOCK_AER_REG, aer_val);
Y
Yaniv Rosner 已提交
3267

Y
Yaniv Rosner 已提交
3268 3269
}

Y
Yaniv Rosner 已提交
3270 3271 3272
/******************************************************************/
/*			Internal phy section			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
3273

Y
Yaniv Rosner 已提交
3274 3275 3276
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
3277

Y
Yaniv Rosner 已提交
3278 3279 3280 3281 3282 3283 3284 3285
	/* 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
3286 3287
}

Y
Yaniv Rosner 已提交
3288
static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
Y
Yaniv Rosner 已提交
3289
{
Y
Yaniv Rosner 已提交
3290
	u32 val;
Y
Yaniv Rosner 已提交
3291

Y
Yaniv Rosner 已提交
3292
	DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
Y
Yaniv Rosner 已提交
3293

Y
Yaniv Rosner 已提交
3294
	val = SERDES_RESET_BITS << (port*16);
E
Eilon Greenstein 已提交
3295

Y
Yuval Mintz 已提交
3296
	/* Reset and unreset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
3297 3298 3299
	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
3300

Y
Yaniv Rosner 已提交
3301
	bnx2x_set_serdes_access(bp, port);
Y
Yaniv Rosner 已提交
3302

Y
Yaniv Rosner 已提交
3303 3304
	REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
	       DEFAULT_PHY_DEV_ADDR);
Y
Yaniv Rosner 已提交
3305 3306
}

3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321
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
3322 3323 3324 3325 3326 3327 3328 3329 3330 3331
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
3332
	/* Reset and unreset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
3333 3334 3335
	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);
3336 3337
	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
				 PHY_INIT);
Y
Yaniv Rosner 已提交
3338 3339
}

3340 3341 3342 3343 3344
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;
3345
	/* Resolve pause mode and advertisement Please refer to Table
3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399
	 * 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
3400

3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421
		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
3422
	/* Read modify write pause advertizing */
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 3459 3460 3461 3462 3463 3464 3465 3466 3467
	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;
3468

3469 3470
}

3471 3472 3473
static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
					struct link_params *params,
					struct link_vars *vars)
3474 3475 3476 3477
{
	u16 ld_pause;		/* local */
	u16 lp_pause;		/* link partner */
	u16 pause_result;
3478 3479 3480 3481
	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
3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508
	} 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);
		}
3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522
	} 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);
3523

3524
}
3525

3526 3527 3528 3529 3530
static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
{
	u8 ret = 0;
3531
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3532 3533 3534 3535 3536
	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 */
3537
		vars->flow_ctrl = phy->req_flow_ctrl;
3538
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
3539 3540 3541
		vars->flow_ctrl = params->req_fc_auto_adv;
	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
		ret = 1;
3542
		bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3543 3544 3545
	}
	return ret;
}
3546 3547 3548 3549 3550 3551 3552 3553
/******************************************************************/
/*			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
3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566

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);
}

3567 3568 3569
static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
					struct link_params *params,
					struct link_vars *vars) {
3570 3571
	u16 lane, i, cl72_ctrl, an_adv = 0;
	u16 ucode_ver;
3572 3573 3574 3575 3576 3577 3578 3579 3580
	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}
	};
3581
	DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3582
	/* Set to default registers that may be overriden by 10G force */
3583 3584 3585
	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
3586

3587 3588 3589 3590 3591 3592 3593
	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);

3594 3595 3596 3597
	/* 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)) {
3598
		u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3599
		an_adv |= (1<<5);
3600 3601

		/* Enable CL37 1G Parallel Detect */
3602
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3603 3604 3605 3606 3607 3608
		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 */
3609
		an_adv |= (1<<7);
3610
		/* Enable 10G Parallel Detect */
3611 3612 3613
		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
				  MDIO_AER_BLOCK_AER_REG, 0);

3614
		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3615
				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3616
		bnx2x_set_aer_mmd(params, phy);
3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635
		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,
3636
			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3637

Y
Yaniv Rosner 已提交
3638 3639 3640 3641 3642 3643
	/* 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
3644 3645 3646 3647 3648
	/* 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) {
3649 3650 3651
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
					 1);
Y
Yaniv Rosner 已提交
3652 3653 3654
		DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
	}

3655 3656
	/* Advertise pause */
	bnx2x_ext_phy_set_pause(params, phy, vars);
3657
	/* Set KR Autoneg Work-Around flag for Warpcore version older than D108
3658 3659
	 */
	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3660 3661 3662 3663
			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);
3664 3665
		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
	}
3666 3667
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
Y
Yaniv Rosner 已提交
3668 3669 3670 3671 3672 3673 3674

	/* 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,
3675
			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
Y
Yaniv Rosner 已提交
3676

3677 3678 3679 3680 3681 3682 3683
}

static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
				      struct link_params *params,
				      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
3684
	u16 val16, i, lane;
3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695
	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,
3696
		MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
3697 3698 3699 3700 3701 3702
		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);
3703

3704 3705 3706 3707 3708 3709 3710 3711 3712 3713
	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);
3714

3715 3716 3717 3718 3719 3720 3721
	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);
3722 3723 3724 3725 3726 3727 3728
	/* 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);

3729
	/* Enable encoded forced speed */
3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740
	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
3741
	/* Set and clear loopback to cause a reset to 64/66 decoder */
3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755
	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 */
3756 3757
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3758 3759

	/* Hold tx_fifo_reset */
3760 3761
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772

	/* 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 */
3773 3774
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
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 3805 3806 3807 3808 3809 3810 3811 3812 3813

	/* 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;
3814 3815 3816
		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));
3817
		tx_driver_val =
3818
		      ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
3819
		       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
3820
		       (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834
	}
	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 */
3835 3836
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
3837 3838

	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
3839 3840
	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
3841

Y
Yuval Mintz 已提交
3842
	bnx2x_warpcore_set_lpi_passthrough(phy, params);
Y
Yuval Mintz 已提交
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 3918 3919 3920 3921 3922 3923 3924 3925 3926
	/* 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,
3927 3928
					   u8 fiber_mode,
					   u8 always_autoneg)
3929 3930 3931 3932 3933 3934 3935 3936 3937 3938
{
	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));

3939 3940
	bnx2x_warpcore_set_lpi_passthrough(phy, params);

3941
	if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
3942 3943 3944 3945 3946 3947 3948 3949 3950 3951
		/* 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);
3952
		val16 &= 0xcebf;
3953 3954 3955 3956 3957 3958 3959 3960 3961 3962
		switch (phy->req_line_speed) {
		case SPEED_10:
			break;
		case SPEED_100:
			val16 |= 0x2000;
			break;
		case SPEED_1000:
			val16 |= 0x0040;
			break;
		default:
3963 3964
			DP(NETIF_MSG_LINK,
			   "Speed not supported: 0x%x\n", phy->req_line_speed);
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 4019 4020 4021 4022 4023 4024 4025 4026 4027
			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
4028
/* Clear SFI/XFI link settings registers */
4029 4030 4031 4032 4033
static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
				      struct link_params *params,
				      u16 lane)
{
	struct bnx2x *bp = params->bp;
4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050
	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}
	};
4051
	/* Set XFI clock comp as default. */
4052 4053 4054 4055 4056 4057
	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);
4058 4059 4060 4061

	lane = bnx2x_get_warpcore_lane(phy, params);
	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4062

4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079
}

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;

4080
		/* Should not happen. This function called upon interrupt
4081 4082 4083 4084 4085 4086 4087
		 * 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)) {
4088 4089 4090
			DP(NETIF_MSG_LINK,
			   "ERROR: Invalid cfg pin %x for module detect indication\n",
			   cfg_pin);
4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121
			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
4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149
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
4150
	/* Return if there is no link partner */
Y
Yaniv Rosner 已提交
4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179
	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 {
4180
				/* Reset the lane to see if link comes up.*/
Y
Yaniv Rosner 已提交
4181 4182 4183
				bnx2x_warpcore_reset_lane(bp, phy, 1);
				bnx2x_warpcore_reset_lane(bp, phy, 0);

Y
Yuval Mintz 已提交
4184
				/* Restart Autoneg */
Y
Yaniv Rosner 已提交
4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200
				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
4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217
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);
	}
}

4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233
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
4234
	bnx2x_warpcore_reset_lane(bp, phy, 1);
4235 4236 4237 4238 4239 4240 4241 4242
	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);
4243
		bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4244 4245 4246 4247
	} else {
		switch (serdes_net_if) {
		case PORT_HW_CFG_NET_SERDES_IF_KR:
			/* Enable KR Auto Neg */
4248
			if (params->loopback_mode != LOOPBACK_EXT)
4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270
				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,
4271 4272
								fiber_mode,
								0);
4273 4274 4275 4276 4277 4278 4279 4280
			}

			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
4281 4282

			bnx2x_warpcore_config_sfi(phy, params);
4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306
			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:
4307 4308 4309
			DP(NETIF_MSG_LINK,
			   "Unsupported Serdes Net Interface 0x%x\n",
			   serdes_net_if);
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 4335 4336 4337 4338 4339 4340 4341 4342 4343
			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;
4344
	u16 val16, lane;
4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366
	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);
4367
	/* Enable 1G MDIO (1-copy) */
4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380
	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);

4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404
	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);

4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422
}

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) */
4423 4424 4425
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
					 0x10);
4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437
		/* 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 */
4438 4439 4440
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
					 0x4000);
4441

4442 4443
		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4444 4445 4446 4447
	}
}


Y
Yuval Mintz 已提交
4448 4449 4450

static void bnx2x_sync_link(struct link_params *params,
			     struct link_vars *vars)
Y
Yaniv Rosner 已提交
4451 4452
{
	struct bnx2x *bp = params->bp;
4453
	u8 link_10g_plus;
Y
Yaniv Rosner 已提交
4454 4455
	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
Y
Yaniv Rosner 已提交
4456
	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
Y
Yaniv Rosner 已提交
4457 4458 4459 4460 4461 4462
	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
4463
			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4464 4465 4466 4467 4468 4469
		case LINK_10THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_10TFD:
			vars->line_speed = SPEED_10;
			break;
Y
Yaniv Rosner 已提交
4470

4471 4472 4473 4474 4475 4476 4477
		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
4478

4479 4480 4481 4482 4483 4484
		case LINK_1000THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_1000TFD:
			vars->line_speed = SPEED_1000;
			break;
Y
Yaniv Rosner 已提交
4485

4486 4487 4488 4489 4490 4491
		case LINK_2500THD:
			vars->duplex = DUPLEX_HALF;
			/* Fall thru */
		case LINK_2500TFD:
			vars->line_speed = SPEED_2500;
			break;
Y
Yaniv Rosner 已提交
4492

4493 4494 4495 4496 4497 4498 4499 4500
		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
4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518
		}
		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;
		}
4519 4520 4521 4522
		if (vars->line_speed &&
		    USES_WARPCORE(bp) &&
		    (vars->line_speed == SPEED_1000))
			vars->phy_flags |= PHY_SGMII_FLAG;
Y
Yuval Mintz 已提交
4523
		/* Anything 10 and over uses the bmac */
4524 4525 4526 4527 4528 4529
		link_10g_plus = (vars->line_speed >= SPEED_10000);

		if (link_10g_plus) {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_XMAC;
			else
4530
				vars->mac_type = MAC_TYPE_BMAC;
4531 4532 4533
		} else {
			if (USES_WARPCORE(bp))
				vars->mac_type = MAC_TYPE_UMAC;
4534 4535
			else
				vars->mac_type = MAC_TYPE_EMAC;
4536
		}
Y
Yuval Mintz 已提交
4537
	} else { /* Link down */
Y
Yaniv Rosner 已提交
4538 4539 4540 4541 4542 4543 4544 4545
		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
4546
		/* Indicate no mac active */
Y
Yaniv Rosner 已提交
4547
		vars->mac_type = MAC_TYPE_NONE;
Y
Yaniv Rosner 已提交
4548 4549
		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4550 4551
		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
Y
Yaniv Rosner 已提交
4552
	}
Y
Yaniv Rosner 已提交
4553 4554 4555 4556 4557 4558 4559 4560 4561 4562
}

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
4563

Y
Yaniv Rosner 已提交
4564 4565 4566
	vars->link_status = REG_RD(bp, params->shmem_base +
				   offsetof(struct shmem_region,
					    port_mb[port].link_status));
Y
Yuval Mintz 已提交
4567 4568 4569 4570
	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
4571 4572 4573

	vars->phy_flags = PHY_XGXS_FLAG;
	bnx2x_sync_link(params, vars);
Y
Yaniv Rosner 已提交
4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590
	/* 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);

4591 4592 4593 4594 4595 4596 4597
	/* 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
4598 4599 4600 4601 4602 4603 4604 4605
	/* 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;

4606 4607
	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
4608 4609 4610 4611 4612 4613 4614 4615 4616
	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
4617
	ser_lane = ((params->lane_config &
Y
Yaniv Rosner 已提交
4618
		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
Y
Yaniv Rosner 已提交
4619
		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
Y
Yaniv Rosner 已提交
4620

Y
Yuval Mintz 已提交
4621
	/* Set the master_ln for AN */
Y
Yaniv Rosner 已提交
4622
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4623 4624 4625
			  MDIO_REG_BANK_XGXS_BLOCK2,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  &new_master_ln);
Y
Yaniv Rosner 已提交
4626

Y
Yaniv Rosner 已提交
4627
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4628 4629 4630
			  MDIO_REG_BANK_XGXS_BLOCK2 ,
			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
			  (new_master_ln | ser_lane));
Y
Yaniv Rosner 已提交
4631 4632
}

Y
Yaniv Rosner 已提交
4633 4634 4635
static int bnx2x_reset_unicore(struct link_params *params,
			       struct bnx2x_phy *phy,
			       u8 set_serdes)
Y
Yaniv Rosner 已提交
4636 4637 4638 4639
{
	struct bnx2x *bp = params->bp;
	u16 mii_control;
	u16 i;
Y
Yaniv Rosner 已提交
4640
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4641 4642
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
Y
Yaniv Rosner 已提交
4643

Y
Yuval Mintz 已提交
4644
	/* Reset the unicore */
Y
Yaniv Rosner 已提交
4645
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4646 4647 4648 4649
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL,
			  (mii_control |
			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Y
Yaniv Rosner 已提交
4650 4651 4652
	if (set_serdes)
		bnx2x_set_serdes_access(bp, params->port);

Y
Yuval Mintz 已提交
4653
	/* Wait for the reset to self clear */
Y
Yaniv Rosner 已提交
4654 4655 4656
	for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
		udelay(5);

Y
Yuval Mintz 已提交
4657
		/* The reset erased the previous bank value */
Y
Yaniv Rosner 已提交
4658
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4659 4660 4661
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
4662 4663 4664 4665 4666 4667

		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
			udelay(5);
			return 0;
		}
	}
Y
Yaniv Rosner 已提交
4668

4669 4670 4671
	netdev_err(bp->dev,  "Warning: PHY was not initialized,"
			      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
4672 4673 4674 4675 4676
	DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
	return -EINVAL;

}

Y
Yaniv Rosner 已提交
4677 4678
static void bnx2x_set_swap_lanes(struct link_params *params,
				 struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
4679 4680
{
	struct bnx2x *bp = params->bp;
4681 4682
	/* Each two bits represents a lane number:
	 * No swap is 0123 => 0x1b no need to enable the swap
4683
	 */
Y
Yaniv Rosner 已提交
4684
	u16 rx_lane_swap, tx_lane_swap;
Y
Yaniv Rosner 已提交
4685 4686

	rx_lane_swap = ((params->lane_config &
Y
Yaniv Rosner 已提交
4687 4688
			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
Y
Yaniv Rosner 已提交
4689
	tx_lane_swap = ((params->lane_config &
Y
Yaniv Rosner 已提交
4690 4691
			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
Y
Yaniv Rosner 已提交
4692 4693

	if (rx_lane_swap != 0x1b) {
Y
Yaniv Rosner 已提交
4694
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4695 4696 4697 4698 4699
				  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
4700
	} else {
Y
Yaniv Rosner 已提交
4701
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4702 4703
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
4704 4705 4706
	}

	if (tx_lane_swap != 0x1b) {
Y
Yaniv Rosner 已提交
4707
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4708 4709 4710 4711
				  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
4712
	} else {
Y
Yaniv Rosner 已提交
4713
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4714 4715
				  MDIO_REG_BANK_XGXS_BLOCK2,
				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
Y
Yaniv Rosner 已提交
4716 4717 4718
	}
}

Y
Yaniv Rosner 已提交
4719 4720
static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
					 struct link_params *params)
Y
Yaniv Rosner 已提交
4721 4722 4723
{
	struct bnx2x *bp = params->bp;
	u16 control2;
Y
Yaniv Rosner 已提交
4724
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4725 4726 4727
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  &control2);
4728
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Y
Yaniv Rosner 已提交
4729 4730 4731
		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
	else
		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4732 4733
	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
4734
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4735 4736 4737
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
			  control2);
Y
Yaniv Rosner 已提交
4738

Y
Yaniv Rosner 已提交
4739
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4740
	     (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4741
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Y
Yaniv Rosner 已提交
4742 4743
		DP(NETIF_MSG_LINK, "XGXS\n");

Y
Yaniv Rosner 已提交
4744
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4745 4746 4747
				 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
4748

Y
Yaniv Rosner 已提交
4749
		CL22_RD_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 4755 4756 4757


		control2 |=
		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;

Y
Yaniv Rosner 已提交
4758
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4759 4760 4761
				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
				  control2);
Y
Yaniv Rosner 已提交
4762 4763

		/* Disable parallel detection of HiG */
Y
Yaniv Rosner 已提交
4764
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4765 4766 4767 4768
				  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
4769 4770 4771
	}
}

Y
Yaniv Rosner 已提交
4772 4773
static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
			      struct link_params *params,
Y
Yaniv Rosner 已提交
4774 4775
			      struct link_vars *vars,
			      u8 enable_cl73)
Y
Yaniv Rosner 已提交
4776 4777 4778 4779 4780
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

	/* CL37 Autoneg */
Y
Yaniv Rosner 已提交
4781
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4782 4783
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
4784 4785

	/* CL37 Autoneg Enabled */
Y
Yaniv Rosner 已提交
4786
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4787 4788 4789 4790 4791
		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
4792
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4793 4794
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4795 4796 4797

	/* Enable/Disable Autodetection */

Y
Yaniv Rosner 已提交
4798
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4799 4800
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
4801 4802 4803
	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
4804
	if (vars->line_speed == SPEED_AUTO_NEG)
Y
Yaniv Rosner 已提交
4805 4806 4807 4808
		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
4809
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4810 4811
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
Y
Yaniv Rosner 已提交
4812 4813

	/* Enable TetonII and BAM autoneg */
Y
Yaniv Rosner 已提交
4814
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4815 4816
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
Y
Yaniv Rosner 已提交
4817
			  &reg_val);
Y
Yaniv Rosner 已提交
4818
	if (vars->line_speed == SPEED_AUTO_NEG) {
Y
Yaniv Rosner 已提交
4819 4820 4821 4822 4823 4824 4825 4826
		/* 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
4827
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4828 4829 4830
			  MDIO_REG_BANK_BAM_NEXT_PAGE,
			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
			  reg_val);
Y
Yaniv Rosner 已提交
4831

4832 4833
	if (enable_cl73) {
		/* Enable Cl73 FSM status bits */
Y
Yaniv Rosner 已提交
4834
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4835 4836 4837
				  MDIO_REG_BANK_CL73_USERB0,
				  MDIO_CL73_USERB0_CL73_UCTRL,
				  0xe);
4838 4839

		/* Enable BAM Station Manager*/
Y
Yaniv Rosner 已提交
4840
		CL22_WR_OVER_CL45(bp, phy,
4841 4842 4843 4844 4845 4846
			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
4847
		/* Advertise CL73 link speeds */
Y
Yaniv Rosner 已提交
4848
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4849 4850 4851
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  &reg_val);
4852
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4853 4854
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
4855
		if (phy->speed_cap_mask &
Y
Yaniv Rosner 已提交
4856 4857
		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
4858

Y
Yaniv Rosner 已提交
4859
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4860 4861 4862
				  MDIO_REG_BANK_CL73_IEEEB1,
				  MDIO_CL73_IEEEB1_AN_ADV2,
				  reg_val);
4863 4864 4865 4866 4867 4868

		/* 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
4869

Y
Yaniv Rosner 已提交
4870
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4871 4872
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4873 4874
}

Y
Yuval Mintz 已提交
4875
/* Program SerDes, forced speed */
Y
Yaniv Rosner 已提交
4876 4877
static void bnx2x_program_serdes(struct bnx2x_phy *phy,
				 struct link_params *params,
Y
Yaniv Rosner 已提交
4878
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
4879 4880 4881 4882
{
	struct bnx2x *bp = params->bp;
	u16 reg_val;

Y
Yuval Mintz 已提交
4883
	/* Program duplex, disable autoneg and sgmii*/
Y
Yaniv Rosner 已提交
4884
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4885 4886
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
Y
Yaniv Rosner 已提交
4887
	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
4888 4889
		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
4890
	if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
4891
		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
4892
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4893 4894
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
Y
Yaniv Rosner 已提交
4895

4896
	/* Program speed
4897 4898
	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
	 */
Y
Yaniv Rosner 已提交
4899
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4900 4901
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Y
Yuval Mintz 已提交
4902
	/* Clearing the speed value before setting the right speed */
Y
Yaniv Rosner 已提交
4903 4904 4905 4906 4907 4908 4909 4910 4911
	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
4912 4913
		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Y
Yaniv Rosner 已提交
4914
		if (vars->line_speed == SPEED_10000)
Y
Yaniv Rosner 已提交
4915 4916
			reg_val |=
				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Y
Yaniv Rosner 已提交
4917 4918
	}

Y
Yaniv Rosner 已提交
4919
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4920 4921
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
Y
Yaniv Rosner 已提交
4922

Y
Yaniv Rosner 已提交
4923 4924
}

4925 4926
static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params)
Y
Yaniv Rosner 已提交
4927 4928 4929 4930
{
	struct bnx2x *bp = params->bp;
	u16 val = 0;

Y
Yuval Mintz 已提交
4931
	/* Set extended capabilities */
4932
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Y
Yaniv Rosner 已提交
4933
		val |= MDIO_OVER_1G_UP1_2_5G;
4934
	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Y
Yaniv Rosner 已提交
4935
		val |= MDIO_OVER_1G_UP1_10G;
Y
Yaniv Rosner 已提交
4936
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4937 4938
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP1, val);
Y
Yaniv Rosner 已提交
4939

Y
Yaniv Rosner 已提交
4940
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4941 4942
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_UP3, 0x400);
Y
Yaniv Rosner 已提交
4943 4944
}

4945 4946 4947
static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
					      struct link_params *params,
					      u16 ieee_fc)
Y
Yaniv Rosner 已提交
4948 4949
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
4950
	u16 val;
Y
Yuval Mintz 已提交
4951
	/* For AN, we are always publishing full duplex */
Y
Yaniv Rosner 已提交
4952

Y
Yaniv Rosner 已提交
4953
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4954 4955
			  MDIO_REG_BANK_COMBO_IEEE0,
			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Y
Yaniv Rosner 已提交
4956
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4957 4958
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
Y
Yaniv Rosner 已提交
4959 4960
	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
4961
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4962 4963
			  MDIO_REG_BANK_CL73_IEEEB1,
			  MDIO_CL73_IEEEB1_AN_ADV1, val);
Y
Yaniv Rosner 已提交
4964 4965
}

Y
Yaniv Rosner 已提交
4966 4967 4968
static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
				  struct link_params *params,
				  u8 enable_cl73)
Y
Yaniv Rosner 已提交
4969 4970
{
	struct bnx2x *bp = params->bp;
E
Eilon Greenstein 已提交
4971
	u16 mii_control;
4972

Y
Yaniv Rosner 已提交
4973
	DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
E
Eilon Greenstein 已提交
4974
	/* Enable and restart BAM/CL37 aneg */
Y
Yaniv Rosner 已提交
4975

4976
	if (enable_cl73) {
Y
Yaniv Rosner 已提交
4977
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4978 4979 4980
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  &mii_control);
4981

Y
Yaniv Rosner 已提交
4982
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4983 4984 4985 4986 4987
				  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));
4988 4989
	} else {

Y
Yaniv Rosner 已提交
4990
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4991 4992 4993
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
4994 4995 4996
		DP(NETIF_MSG_LINK,
			 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
			 mii_control);
Y
Yaniv Rosner 已提交
4997
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
4998 4999 5000 5001 5002
				  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));
5003
	}
Y
Yaniv Rosner 已提交
5004 5005
}

Y
Yaniv Rosner 已提交
5006 5007
static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
					   struct link_params *params,
Y
Yaniv Rosner 已提交
5008
					   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5009 5010 5011 5012
{
	struct bnx2x *bp = params->bp;
	u16 control1;

Y
Yuval Mintz 已提交
5013
	/* In SGMII mode, the unicore is always slave */
Y
Yaniv Rosner 已提交
5014

Y
Yaniv Rosner 已提交
5015
	CL22_RD_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
	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
Y
Yuval Mintz 已提交
5020
	/* Set sgmii mode (and not fiber) */
Y
Yaniv Rosner 已提交
5021 5022 5023
	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
5024
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5025 5026 5027
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
			  control1);
Y
Yaniv Rosner 已提交
5028

Y
Yuval Mintz 已提交
5029
	/* If forced speed */
Y
Yaniv Rosner 已提交
5030
	if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Y
Yuval Mintz 已提交
5031
		/* Set speed, disable autoneg */
Y
Yaniv Rosner 已提交
5032 5033
		u16 mii_control;

Y
Yaniv Rosner 已提交
5034
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5035 5036 5037
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  &mii_control);
Y
Yaniv Rosner 已提交
5038 5039 5040 5041
		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
5042
		switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5043 5044 5045 5046 5047 5048 5049 5050 5051
		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
5052
			/* There is nothing to set for 10M */
Y
Yaniv Rosner 已提交
5053 5054
			break;
		default:
Y
Yuval Mintz 已提交
5055
			/* Invalid speed for SGMII */
Y
Yaniv Rosner 已提交
5056 5057
			DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
				  vars->line_speed);
Y
Yaniv Rosner 已提交
5058 5059 5060
			break;
		}

Y
Yuval Mintz 已提交
5061
		/* Setting the full duplex */
5062
		if (phy->req_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5063 5064
			mii_control |=
				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Y
Yaniv Rosner 已提交
5065
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5066 5067 5068
				  MDIO_REG_BANK_COMBO_IEEE0,
				  MDIO_COMBO_IEEE0_MII_CONTROL,
				  mii_control);
Y
Yaniv Rosner 已提交
5069 5070

	} else { /* AN mode */
Y
Yuval Mintz 已提交
5071
		/* Enable and restart AN */
Y
Yaniv Rosner 已提交
5072
		bnx2x_restart_autoneg(phy, params, 0);
Y
Yaniv Rosner 已提交
5073 5074 5075
	}
}

5076
/* Link management
Y
Yaniv Rosner 已提交
5077
 */
Y
Yaniv Rosner 已提交
5078 5079
static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
					     struct link_params *params)
5080 5081 5082
{
	struct bnx2x *bp = params->bp;
	u16 pd_10g, status2_1000x;
5083 5084
	if (phy->req_line_speed != SPEED_AUTO_NEG)
		return 0;
Y
Yaniv Rosner 已提交
5085
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5086 5087 5088
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
Y
Yaniv Rosner 已提交
5089
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5090 5091 5092
			  MDIO_REG_BANK_SERDES_DIGITAL,
			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
			  &status2_1000x);
5093 5094 5095 5096 5097 5098
	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
5099
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5100 5101 5102
			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
			  &pd_10g);
5103 5104 5105 5106 5107 5108 5109 5110

	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
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 5150 5151 5152 5153 5154 5155 5156 5157 5158
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
5159 5160 5161 5162
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
5163 5164
{
	struct bnx2x *bp = params->bp;
5165
	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5166

Y
Yuval Mintz 已提交
5167
	/* Resolve from gp_status in case of AN complete and not sgmii */
5168 5169 5170 5171 5172
	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 */
5173
		vars->flow_ctrl = phy->req_flow_ctrl;
5174
	} else if (phy->req_line_speed != SPEED_AUTO_NEG)
5175 5176 5177
		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
5178
		if (bnx2x_direct_parallel_detect_used(phy, params)) {
5179 5180 5181
			vars->flow_ctrl = params->req_fc_auto_adv;
			return;
		}
5182
		bnx2x_update_adv_fc(phy, params, vars, gp_status);
Y
Yaniv Rosner 已提交
5183 5184 5185 5186
	}
	DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}

Y
Yaniv Rosner 已提交
5187 5188
static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
					 struct link_params *params)
5189 5190
{
	struct bnx2x *bp = params->bp;
5191
	u16 rx_status, ustat_val, cl37_fsm_received;
5192 5193
	DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
	/* Step 1: Make sure signal is detected */
Y
Yaniv Rosner 已提交
5194
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5195 5196 5197
			  MDIO_REG_BANK_RX0,
			  MDIO_RX0_RX_STATUS,
			  &rx_status);
5198 5199 5200 5201
	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
5202
		CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5203 5204 5205
				  MDIO_REG_BANK_CL73_IEEEB0,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5206 5207 5208
		return;
	}
	/* Step 2: Check CL73 state machine */
Y
Yaniv Rosner 已提交
5209
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5210 5211 5212
			  MDIO_REG_BANK_CL73_USERB0,
			  MDIO_CL73_USERB0_CL73_USTAT1,
			  &ustat_val);
5213 5214 5215 5216 5217 5218 5219 5220 5221
	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;
	}
5222
	/* Step 3: Check CL37 Message Pages received to indicate LP
5223 5224
	 * supports only CL37
	 */
Y
Yaniv Rosner 已提交
5225
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5226 5227
			  MDIO_REG_BANK_REMOTE_PHY,
			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
5228 5229
			  &cl37_fsm_received);
	if ((cl37_fsm_received &
5230 5231 5232 5233 5234 5235
	     (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",
5236
			 cl37_fsm_received);
5237 5238
		return;
	}
5239
	/* The combined cl37/cl73 fsm state information indicating that
5240 5241 5242 5243 5244
	 * 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
	 */

5245
	/* Disable CL73 */
Y
Yaniv Rosner 已提交
5246
	CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5247 5248 5249
			  MDIO_REG_BANK_CL73_IEEEB0,
			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
			  0);
5250
	/* Restart CL37 autoneg */
Y
Yaniv Rosner 已提交
5251
	bnx2x_restart_autoneg(phy, params, 0);
5252 5253
	DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
}
5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267

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;
}
5268 5269 5270 5271 5272 5273
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
5274 5275
{
	struct bnx2x *bp = params->bp;
5276 5277
	if (phy->req_line_speed == SPEED_AUTO_NEG)
		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5278 5279
	if (is_link_up) {
		DP(NETIF_MSG_LINK, "phy link up\n");
Y
Yaniv Rosner 已提交
5280 5281 5282 5283

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

5284
		switch (speed_mask) {
Y
Yaniv Rosner 已提交
5285
		case GP_STATUS_10M:
5286
			vars->line_speed = SPEED_10;
5287
			if (is_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5288 5289 5290 5291 5292 5293
				vars->link_status |= LINK_10TFD;
			else
				vars->link_status |= LINK_10THD;
			break;

		case GP_STATUS_100M:
5294
			vars->line_speed = SPEED_100;
5295
			if (is_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5296 5297 5298 5299 5300 5301 5302
				vars->link_status |= LINK_100TXFD;
			else
				vars->link_status |= LINK_100TXHD;
			break;

		case GP_STATUS_1G:
		case GP_STATUS_1G_KX:
5303
			vars->line_speed = SPEED_1000;
5304
			if (is_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5305 5306 5307 5308 5309 5310
				vars->link_status |= LINK_1000TFD;
			else
				vars->link_status |= LINK_1000THD;
			break;

		case GP_STATUS_2_5G:
5311
			vars->line_speed = SPEED_2500;
5312
			if (is_duplex == DUPLEX_FULL)
Y
Yaniv Rosner 已提交
5313 5314 5315 5316 5317 5318 5319 5320 5321
				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",
5322
				  speed_mask);
Y
Yaniv Rosner 已提交
5323
			return -EINVAL;
5324

Y
Yaniv Rosner 已提交
5325 5326 5327
		case GP_STATUS_10G_KX4:
		case GP_STATUS_10G_HIG:
		case GP_STATUS_10G_CX4:
5328 5329 5330 5331
		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
5332 5333
			vars->link_status |= LINK_10GTFD;
			break;
5334 5335 5336 5337
		case GP_STATUS_20G_DXGXS:
			vars->line_speed = SPEED_20000;
			vars->link_status |= LINK_20GTFD;
			break;
Y
Yaniv Rosner 已提交
5338 5339 5340
		default:
			DP(NETIF_MSG_LINK,
				  "link speed unsupported gp_status 0x%x\n",
5341
				  speed_mask);
5342
			return -EINVAL;
Y
Yaniv Rosner 已提交
5343 5344 5345 5346 5347
		}
	} else { /* link_down */
		DP(NETIF_MSG_LINK, "phy link down\n");

		vars->phy_link_up = 0;
5348

Y
Yaniv Rosner 已提交
5349
		vars->duplex = DUPLEX_FULL;
5350
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Y
Yaniv Rosner 已提交
5351
		vars->mac_type = MAC_TYPE_NONE;
5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382
	}
	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;
5383

5384 5385
	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
		if (SINGLE_MEDIA_DIRECT(params)) {
5386
			vars->duplex = duplex;
5387 5388 5389 5390 5391
			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
5392
	} else { /* Link_down */
5393 5394
		if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
		    SINGLE_MEDIA_DIRECT(params)) {
5395
			/* Check signal is detected */
5396
			bnx2x_check_fallback_to_cl37(phy, params);
5397
		}
Y
Yaniv Rosner 已提交
5398 5399
	}

5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426
	/* 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
5427 5428
	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
5429 5430 5431
	return rc;
}

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 5472 5473 5474 5475 5476 5477 5478 5479 5480
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);
5481
			vars->duplex = duplex;
5482 5483 5484
		}
	}

5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512
	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;

	}


5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533
	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
5534
static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Y
Yaniv Rosner 已提交
5535 5536
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5537
	struct bnx2x_phy *phy = &params->phy[INT_PHY];
Y
Yaniv Rosner 已提交
5538 5539
	u16 lp_up2;
	u16 tx_driver;
5540
	u16 bank;
Y
Yaniv Rosner 已提交
5541

Y
Yuval Mintz 已提交
5542
	/* Read precomp */
Y
Yaniv Rosner 已提交
5543
	CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5544 5545
			  MDIO_REG_BANK_OVER_1G,
			  MDIO_OVER_1G_LP_UP2, &lp_up2);
Y
Yaniv Rosner 已提交
5546

Y
Yuval Mintz 已提交
5547
	/* Bits [10:7] at lp_up2, positioned at [15:12] */
Y
Yaniv Rosner 已提交
5548 5549 5550 5551
	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);

5552 5553 5554 5555 5556
	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
5557
		CL22_RD_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5558 5559
				  bank,
				  MDIO_TX0_TX_DRIVER, &tx_driver);
5560

Y
Yuval Mintz 已提交
5561
		/* Replace tx_driver bits [15:12] */
5562 5563 5564 5565
		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
5566
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5567 5568
					  bank,
					  MDIO_TX0_TX_DRIVER, tx_driver);
5569
		}
Y
Yaniv Rosner 已提交
5570 5571 5572
	}
}

Y
Yaniv Rosner 已提交
5573 5574
static int bnx2x_emac_program(struct link_params *params,
			      struct link_vars *vars)
Y
Yaniv Rosner 已提交
5575 5576 5577 5578 5579 5580 5581
{
	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
5582 5583 5584 5585
		       EMAC_REG_EMAC_MODE,
		       (EMAC_MODE_25G_MODE |
			EMAC_MODE_PORT_MII_10M |
			EMAC_MODE_HALF_DUPLEX));
Y
Yaniv Rosner 已提交
5586
	switch (vars->line_speed) {
Y
Yaniv Rosner 已提交
5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604
	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
5605 5606
		DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
			   vars->line_speed);
Y
Yaniv Rosner 已提交
5607 5608 5609
		return -EINVAL;
	}

Y
Yaniv Rosner 已提交
5610
	if (vars->duplex == DUPLEX_HALF)
Y
Yaniv Rosner 已提交
5611 5612
		mode |= EMAC_MODE_HALF_DUPLEX;
	bnx2x_bits_en(bp,
Y
Yaniv Rosner 已提交
5613 5614
		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
		      mode);
Y
Yaniv Rosner 已提交
5615

5616
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Y
Yaniv Rosner 已提交
5617 5618 5619
	return 0;
}

Y
Yaniv Rosner 已提交
5620 5621
static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
5622
{
Y
Yaniv Rosner 已提交
5623 5624 5625 5626 5627 5628

	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
5629
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5630 5631 5632 5633 5634 5635 5636
					  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
5637
			CL22_WR_OVER_CL45(bp, phy,
Y
Yaniv Rosner 已提交
5638 5639 5640 5641 5642 5643
					  bank,
					  MDIO_TX0_TX_DRIVER,
					  phy->tx_preemphasis[i]);
	}
}

Y
Yaniv Rosner 已提交
5644 5645 5646
static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
5647 5648 5649 5650 5651 5652 5653 5654 5655 5656
{
	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
5657
		/* Forced speed requested? */
Y
Yaniv Rosner 已提交
5658 5659
		if (vars->line_speed != SPEED_AUTO_NEG ||
		    (SINGLE_MEDIA_DIRECT(params) &&
Y
Yaniv Rosner 已提交
5660
		     params->loopback_mode == LOOPBACK_EXT)) {
Y
Yaniv Rosner 已提交
5661 5662
			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");

Y
Yuval Mintz 已提交
5663
			/* Disable autoneg */
Y
Yaniv Rosner 已提交
5664 5665
			bnx2x_set_autoneg(phy, params, vars, 0);

Y
Yuval Mintz 已提交
5666
			/* Program speed and duplex */
Y
Yaniv Rosner 已提交
5667 5668 5669 5670 5671 5672
			bnx2x_program_serdes(phy, params, vars);

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

			/* AN enabled */
5673
			bnx2x_set_brcm_cl37_advertisement(phy, params);
Y
Yaniv Rosner 已提交
5674

Y
Yuval Mintz 已提交
5675
			/* Program duplex & pause advertisement (for aneg) */
5676 5677
			bnx2x_set_ieee_aneg_advertisement(phy, params,
							  vars->ieee_fc);
Y
Yaniv Rosner 已提交
5678

Y
Yuval Mintz 已提交
5679
			/* Enable autoneg */
Y
Yaniv Rosner 已提交
5680 5681
			bnx2x_set_autoneg(phy, params, vars, enable_cl73);

Y
Yuval Mintz 已提交
5682
			/* Enable and restart AN */
Y
Yaniv Rosner 已提交
5683 5684 5685 5686 5687 5688 5689 5690 5691 5692
			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
5693 5694 5695
static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
			  struct link_params *params,
			  struct link_vars *vars)
Y
Yaniv Rosner 已提交
5696
{
Y
Yaniv Rosner 已提交
5697
	int rc;
Y
Yaniv Rosner 已提交
5698
	vars->phy_flags |= PHY_XGXS_FLAG;
Y
Yaniv Rosner 已提交
5699 5700 5701 5702 5703 5704 5705
	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
5706 5707
	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
Y
Yaniv Rosner 已提交
5708 5709 5710 5711 5712
		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
5713 5714 5715
	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
5716 5717

	rc = bnx2x_reset_unicore(params, phy, 0);
Y
Yuval Mintz 已提交
5718 5719
	/* Reset the SerDes and wait for reset bit return low */
	if (rc)
Y
Yaniv Rosner 已提交
5720 5721
		return rc;

Y
Yaniv Rosner 已提交
5722
	bnx2x_set_aer_mmd(params, phy);
Y
Yuval Mintz 已提交
5723
	/* Setting the masterLn_def again after the reset */
Y
Yaniv Rosner 已提交
5724 5725 5726 5727
	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
5728 5729 5730

	return rc;
}
5731

Y
Yaniv Rosner 已提交
5732
static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5733 5734
				     struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
5735
{
Y
Yaniv Rosner 已提交
5736
	u16 cnt, ctrl;
L
Lucas De Marchi 已提交
5737
	/* Wait for soft reset to get cleared up to 1 sec */
Y
Yaniv Rosner 已提交
5738
	for (cnt = 0; cnt < 1000; cnt++) {
5739
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
Y
Yaniv Rosner 已提交
5740 5741 5742 5743 5744 5745
			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
5746 5747
		if (!(ctrl & (1<<15)))
			break;
Y
Yuval Mintz 已提交
5748
		usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
5749
	}
5750 5751 5752 5753 5754

	if (cnt == 1000)
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 params->port);
Y
Yaniv Rosner 已提交
5755 5756
	DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
	return cnt;
Y
Yaniv Rosner 已提交
5757 5758
}

Y
Yaniv Rosner 已提交
5759
static void bnx2x_link_int_enable(struct link_params *params)
E
Eilon Greenstein 已提交
5760
{
Y
Yaniv Rosner 已提交
5761 5762 5763
	u8 port = params->port;
	u32 mask;
	struct bnx2x *bp = params->bp;
5764

5765
	/* Setting the status to report on link up for either XGXS or SerDes */
5766 5767 5768 5769 5770
	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
5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804
		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
5805 5806
}

Y
Yaniv Rosner 已提交
5807 5808
static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
				     u8 exp_mi_int)
E
Eilon Greenstein 已提交
5809
{
Y
Yaniv Rosner 已提交
5810 5811
	u32 latch_status = 0;

5812
	/* Disable the MI INT ( external phy int ) by writing 1 to the
Y
Yaniv Rosner 已提交
5813 5814
	 * 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
5815 5816 5817
	 */
	/* Read Latched signals */
	latch_status = REG_RD(bp,
Y
Yaniv Rosner 已提交
5818 5819
				    NIG_REG_LATCH_STATUS_0 + port*8);
	DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Y
Yaniv Rosner 已提交
5820
	/* Handle only those with latched-signal=up.*/
Y
Yaniv Rosner 已提交
5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831
	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
5832
	if (latch_status & 1) {
Y
Yaniv Rosner 已提交
5833

Y
Yaniv Rosner 已提交
5834 5835
		/* 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
5836
		       (latch_status & 0xfffe) | (latch_status & 1));
Y
Yaniv Rosner 已提交
5837
	}
Y
Yaniv Rosner 已提交
5838
	/* For all latched-signal=up,Write original_signal to status */
E
Eilon Greenstein 已提交
5839 5840
}

Y
Yaniv Rosner 已提交
5841
static void bnx2x_link_int_ack(struct link_params *params,
5842
			       struct link_vars *vars, u8 is_10g_plus)
5843
{
Y
Yaniv Rosner 已提交
5844
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
5845
	u8 port = params->port;
5846
	u32 mask;
5847
	/* First reset all status we assume only one line will be
5848 5849
	 * change at a time
	 */
Y
Yaniv Rosner 已提交
5850
	bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
5851 5852 5853
		       (NIG_STATUS_XGXS0_LINK10G |
			NIG_STATUS_XGXS0_LINK_STATUS |
			NIG_STATUS_SERDES0_LINK_STATUS));
Y
Yaniv Rosner 已提交
5854
	if (vars->phy_link_up) {
5855 5856 5857 5858 5859 5860
		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) {
5861
				/* Disable the link interrupt by writing 1 to
5862 5863 5864 5865
				 * the relevant lane in the status register
				 */
				u32 ser_lane =
					((params->lane_config &
Y
Yaniv Rosner 已提交
5866 5867
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5868 5869 5870 5871
				mask = ((1 << ser_lane) <<
				       NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
			} else
				mask = NIG_STATUS_SERDES0_LINK_STATUS;
Y
Yaniv Rosner 已提交
5872
		}
5873 5874 5875 5876 5877
		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
5878 5879 5880
	}
}

Y
Yaniv Rosner 已提交
5881
static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
5882 5883 5884 5885 5886
{
	u8 *str_ptr = str;
	u32 mask = 0xf0000000;
	u8 shift = 8*4;
	u8 digit;
Y
Yaniv Rosner 已提交
5887
	u8 remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
5888 5889 5890
	if (*len < 10) {
		/* Need more than 10chars for this format */
		*str_ptr = '\0';
Y
Yaniv Rosner 已提交
5891
		(*len)--;
Y
Yaniv Rosner 已提交
5892
		return -EINVAL;
Y
Yaniv Rosner 已提交
5893
	}
Y
Yaniv Rosner 已提交
5894
	while (shift > 0) {
Y
Yaniv Rosner 已提交
5895

Y
Yaniv Rosner 已提交
5896 5897
		shift -= 4;
		digit = ((num & mask) >> shift);
Y
Yaniv Rosner 已提交
5898 5899 5900 5901
		if (digit == 0 && remove_leading_zeros) {
			mask = mask >> 4;
			continue;
		} else if (digit < 0xa)
Y
Yaniv Rosner 已提交
5902 5903 5904
			*str_ptr = digit + '0';
		else
			*str_ptr = digit - 0xa + 'a';
Y
Yaniv Rosner 已提交
5905
		remove_leading_zeros = 0;
Y
Yaniv Rosner 已提交
5906
		str_ptr++;
Y
Yaniv Rosner 已提交
5907
		(*len)--;
Y
Yaniv Rosner 已提交
5908 5909
		mask = mask >> 4;
		if (shift == 4*4) {
Y
Yaniv Rosner 已提交
5910
			*str_ptr = '.';
Y
Yaniv Rosner 已提交
5911
			str_ptr++;
Y
Yaniv Rosner 已提交
5912 5913
			(*len)--;
			remove_leading_zeros = 1;
Y
Yaniv Rosner 已提交
5914 5915
		}
	}
Y
Yaniv Rosner 已提交
5916
	return 0;
Y
Yaniv Rosner 已提交
5917 5918
}

Y
Yaniv Rosner 已提交
5919

Y
Yaniv Rosner 已提交
5920
static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
5921
{
Y
Yaniv Rosner 已提交
5922 5923 5924 5925
	str[0] = '\0';
	(*len)--;
	return 0;
}
Y
Yaniv Rosner 已提交
5926

5927 5928
int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
				 u16 len)
Y
Yaniv Rosner 已提交
5929 5930 5931
{
	struct bnx2x *bp;
	u32 spirom_ver = 0;
Y
Yaniv Rosner 已提交
5932
	int status = 0;
Y
Yaniv Rosner 已提交
5933
	u8 *ver_p = version;
Y
Yaniv Rosner 已提交
5934
	u16 remain_len = len;
Y
Yaniv Rosner 已提交
5935 5936 5937
	if (version == NULL || params == NULL)
		return -EINVAL;
	bp = params->bp;
Y
Yaniv Rosner 已提交
5938

Y
Yaniv Rosner 已提交
5939 5940 5941
	/* Extract first external phy*/
	version[0] = '\0';
	spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Y
Yaniv Rosner 已提交
5942

Y
Yaniv Rosner 已提交
5943
	if (params->phy[EXT_PHY1].format_fw_ver) {
Y
Yaniv Rosner 已提交
5944 5945
		status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
							      ver_p,
Y
Yaniv Rosner 已提交
5946 5947 5948 5949 5950
							      &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
5951
		spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
Y
Yaniv Rosner 已提交
5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963
		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
5964
	return status;
Y
Yaniv Rosner 已提交
5965
}
Y
Yaniv Rosner 已提交
5966

Y
Yaniv Rosner 已提交
5967 5968
static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
				    struct link_params *params)
E
Eilon Greenstein 已提交
5969
{
Y
Yaniv Rosner 已提交
5970
	u8 port = params->port;
E
Eilon Greenstein 已提交
5971 5972
	struct bnx2x *bp = params->bp;

Y
Yaniv Rosner 已提交
5973
	if (phy->req_line_speed != SPEED_1000) {
5974
		u32 md_devad = 0;
E
Eilon Greenstein 已提交
5975

Y
Yaniv Rosner 已提交
5976
		DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
E
Eilon Greenstein 已提交
5977

5978
		if (!CHIP_IS_E3(bp)) {
Y
Yuval Mintz 已提交
5979
			/* Change the uni_phy_addr in the nig */
5980 5981
			md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
					       port*0x18));
5982

5983 5984 5985
			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       0x5);
		}
E
Eilon Greenstein 已提交
5986

Y
Yaniv Rosner 已提交
5987
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5988 5989 5990 5991
				 5,
				 (MDIO_REG_BANK_AER_BLOCK +
				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
				 0x2800);
E
Eilon Greenstein 已提交
5992

Y
Yaniv Rosner 已提交
5993
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
5994 5995 5996 5997
				 5,
				 (MDIO_REG_BANK_CL73_IEEEB0 +
				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
				 0x6041);
Y
Yaniv Rosner 已提交
5998
		msleep(200);
Y
Yuval Mintz 已提交
5999
		/* Set aer mmd back */
Y
Yaniv Rosner 已提交
6000
		bnx2x_set_aer_mmd(params, phy);
E
Eilon Greenstein 已提交
6001

6002
		if (!CHIP_IS_E3(bp)) {
Y
Yuval Mintz 已提交
6003
			/* And md_devad */
6004 6005 6006
			REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
			       md_devad);
		}
Y
Yaniv Rosner 已提交
6007 6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 6018 6019
	} 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
6020 6021
}

Y
Yaniv Rosner 已提交
6022 6023
int bnx2x_set_led(struct link_params *params,
		  struct link_vars *vars, u8 mode, u32 speed)
E
Eilon Greenstein 已提交
6024
{
Y
Yaniv Rosner 已提交
6025 6026
	u8 port = params->port;
	u16 hw_led_mode = params->hw_led_mode;
Y
Yaniv Rosner 已提交
6027 6028
	int rc = 0;
	u8 phy_idx;
Y
Yaniv Rosner 已提交
6029 6030
	u32 tmp;
	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
E
Eilon Greenstein 已提交
6031
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6032 6033 6034
	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);
6035 6036 6037 6038 6039 6040 6041 6042
	/* 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
6043
	switch (mode) {
6044
	case LED_MODE_FRONT_PANEL_OFF:
Y
Yaniv Rosner 已提交
6045 6046 6047
	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
6048
		       SHARED_HW_CFG_LED_MAC1);
E
Eilon Greenstein 已提交
6049

Y
Yaniv Rosner 已提交
6050
		tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Y
Yaniv Rosner 已提交
6051
		if (params->phy[EXT_PHY1].type ==
6052 6053 6054 6055 6056 6057 6058 6059
			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
6060
		break;
E
Eilon Greenstein 已提交
6061

Y
Yaniv Rosner 已提交
6062
	case LED_MODE_OPER:
6063
		/* For all other phys, OPER mode is same as ON, so in case
6064
		 * link is down, do nothing
6065
		 */
6066 6067 6068
		if (!vars->link_up)
			break;
	case LED_MODE_ON:
Y
Yaniv Rosner 已提交
6069 6070 6071 6072
		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)) &&
6073
		    CHIP_IS_E2(bp) && params->num_phys == 2) {
6074
			/* This is a work-around for E2+8727 Configurations */
6075 6076 6077 6078 6079 6080 6081 6082
			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));
6083
				/* Return here without enabling traffic
Y
Yaniv Rosner 已提交
6084
				 * LED blink and setting rate in ON mode.
Y
Yaniv Rosner 已提交
6085 6086 6087 6088 6089
				 * In oper mode, enabling LED blink
				 * and setting rate is needed.
				 */
				if (mode == LED_MODE_ON)
					return rc;
6090
			}
Y
Yaniv Rosner 已提交
6091
		} else if (SINGLE_MEDIA_DIRECT(params)) {
6092
			/* This is a work-around for HW issue found when link
6093 6094
			 * is up in CL73
			 */
Y
Yaniv Rosner 已提交
6095 6096 6097 6098 6099
			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
6100 6101 6102 6103 6104 6105 6106
			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
6107 6108
		} else if ((params->phy[EXT_PHY1].type ==
			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6109
			   (mode == LED_MODE_ON)) {
Y
Yaniv Rosner 已提交
6110 6111
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
			tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6112 6113 6114 6115 6116 6117
			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
6118
		} else
Y
Yaniv Rosner 已提交
6119 6120
			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
			       hw_led_mode);
E
Eilon Greenstein 已提交
6121

Y
Yaniv Rosner 已提交
6122
		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
Y
Yaniv Rosner 已提交
6123
		/* Set blinking rate to ~15.9Hz */
Y
Yaniv Rosner 已提交
6124 6125 6126 6127 6128 6129
		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
6130
		REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
Y
Yaniv Rosner 已提交
6131
		       port*4, 1);
6132 6133 6134
		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
6135

Y
Yaniv Rosner 已提交
6136 6137 6138 6139 6140
		if (CHIP_IS_E1(bp) &&
		    ((speed == SPEED_2500) ||
		     (speed == SPEED_1000) ||
		     (speed == SPEED_100) ||
		     (speed == SPEED_10))) {
6141
			/* For speeds less than 10G LED scheme is different */
Y
Yaniv Rosner 已提交
6142
			REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
Y
Yaniv Rosner 已提交
6143
			       + port*4, 1);
Y
Yaniv Rosner 已提交
6144
			REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6145
			       port*4, 0);
Y
Yaniv Rosner 已提交
6146
			REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
Y
Yaniv Rosner 已提交
6147
			       port*4, 1);
Y
Yaniv Rosner 已提交
6148 6149
		}
		break;
E
Eilon Greenstein 已提交
6150

Y
Yaniv Rosner 已提交
6151 6152 6153 6154 6155
	default:
		rc = -EINVAL;
		DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
			 mode);
		break;
E
Eilon Greenstein 已提交
6156
	}
Y
Yaniv Rosner 已提交
6157
	return rc;
E
Eilon Greenstein 已提交
6158

E
Eilon Greenstein 已提交
6159 6160
}

6161
/* This function comes to reflect the actual link state read DIRECTLY from the
Y
Yaniv Rosner 已提交
6162 6163
 * HW
 */
Y
Yaniv Rosner 已提交
6164 6165
int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
		    u8 is_serdes)
E
Eilon Greenstein 已提交
6166 6167
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6168
	u16 gp_status = 0, phy_index = 0;
Y
Yaniv Rosner 已提交
6169 6170
	u8 ext_phy_link_up = 0, serdes_phy_type;
	struct link_vars temp_vars;
6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192 6193 6194 6195 6196
	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
6197 6198 6199
			  MDIO_REG_BANK_GP_STATUS,
			  MDIO_GP_STATUS_TOP_AN_STATUS1,
			  &gp_status);
Y
Yuval Mintz 已提交
6200
	/* Link is up only if both local phy and external phy are up */
Y
Yaniv Rosner 已提交
6201 6202
	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
		return -ESRCH;
6203 6204 6205 6206
	}
	/* In XGXS loopback mode, do not check external PHY */
	if (params->loopback_mode == LOOPBACK_XGXS)
		return 0;
Y
Yaniv Rosner 已提交
6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217

	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
6218 6219
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
Y
Yaniv Rosner 已提交
6220
			serdes_phy_type = ((params->phy[phy_index].media_type ==
Y
Yuval Mintz 已提交
6221 6222 6223
					    ETH_PHY_SFPP_10G_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_SFP_1G_FIBER) ||
Y
Yaniv Rosner 已提交
6224
					   (params->phy[phy_index].media_type ==
Y
Yaniv Rosner 已提交
6225 6226 6227
					    ETH_PHY_XFP_FIBER) ||
					   (params->phy[phy_index].media_type ==
					    ETH_PHY_DA_TWINAX));
Y
Yaniv Rosner 已提交
6228 6229 6230 6231 6232

			if (is_serdes != serdes_phy_type)
				continue;
			if (params->phy[phy_index].read_status) {
				ext_phy_link_up |=
Y
Yaniv Rosner 已提交
6233 6234 6235
					params->phy[phy_index].read_status(
						&params->phy[phy_index],
						params, &temp_vars);
Y
Yaniv Rosner 已提交
6236
			}
Y
Yaniv Rosner 已提交
6237
		}
Y
Yaniv Rosner 已提交
6238
		break;
E
Eilon Greenstein 已提交
6239
	}
Y
Yaniv Rosner 已提交
6240 6241
	if (ext_phy_link_up)
		return 0;
Y
Yaniv Rosner 已提交
6242 6243
	return -ESRCH;
}
E
Eilon Greenstein 已提交
6244

Y
Yaniv Rosner 已提交
6245 6246
static int bnx2x_link_initialize(struct link_params *params,
				 struct link_vars *vars)
Y
Yaniv Rosner 已提交
6247
{
Y
Yaniv Rosner 已提交
6248
	int rc = 0;
Y
Yaniv Rosner 已提交
6249 6250
	u8 phy_index, non_ext_phy;
	struct bnx2x *bp = params->bp;
6251
	/* In case of external phy existence, the line speed would be the
6252 6253 6254 6255
	 * 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
6256
	vars->line_speed = params->phy[INT_PHY].req_line_speed;
E
Eilon Greenstein 已提交
6257

6258
	/* Initialize the internal phy in case this is a direct board
Y
Yaniv Rosner 已提交
6259 6260 6261
	 * (no external phys), or this board has external phy which requires
	 * to first.
	 */
6262 6263
	if (!USES_WARPCORE(bp))
		bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
Y
Yaniv Rosner 已提交
6264 6265 6266
	/* 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
6267

Y
Yaniv Rosner 已提交
6268 6269 6270 6271
	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];
6272 6273 6274
		if (vars->line_speed == SPEED_AUTO_NEG &&
		    (CHIP_IS_E1x(bp) ||
		     CHIP_IS_E2(bp)))
Y
Yaniv Rosner 已提交
6275
			bnx2x_set_parallel_detection(phy, params);
Y
Yaniv Rosner 已提交
6276 6277 6278 6279
			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(phy,
								 params,
								 vars);
E
Eilon Greenstein 已提交
6280 6281
	}

Y
Yaniv Rosner 已提交
6282
	/* Init external phy*/
Y
Yaniv Rosner 已提交
6283 6284 6285 6286 6287
	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
6288 6289
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
6290
			/* No need to initialize second phy in case of first
Y
Yaniv Rosner 已提交
6291 6292 6293
			 * phy only selection. In case of second phy, we do
			 * need to initialize the first phy, since they are
			 * connected.
6294
			 */
Y
Yaniv Rosner 已提交
6295 6296 6297 6298
			if (params->phy[phy_index].supported &
			    SUPPORTED_FIBRE)
				vars->link_status |= LINK_STATUS_SERDES_LINK;

Y
Yaniv Rosner 已提交
6299 6300 6301
			if (phy_index == EXT_PHY2 &&
			    (bnx2x_phy_selection(params) ==
			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6302 6303
				DP(NETIF_MSG_LINK,
				   "Not initializing second phy\n");
Y
Yaniv Rosner 已提交
6304 6305
				continue;
			}
Y
Yaniv Rosner 已提交
6306 6307 6308 6309
			params->phy[phy_index].config_init(
				&params->phy[phy_index],
				params, vars);
		}
Y
Yaniv Rosner 已提交
6310
	}
Y
Yaniv Rosner 已提交
6311 6312 6313 6314 6315 6316 6317 6318 6319
	/* 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
6320

Y
Yaniv Rosner 已提交
6321 6322 6323
static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
				 struct link_params *params)
{
Y
Yuval Mintz 已提交
6324
	/* Reset the SerDes/XGXS */
Y
Yaniv Rosner 已提交
6325 6326
	REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
	       (0x1ff << (params->port*16)));
E
Eilon Greenstein 已提交
6327 6328
}

Y
Yaniv Rosner 已提交
6329 6330
static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
					struct link_params *params)
E
Eilon Greenstein 已提交
6331
{
Y
Yaniv Rosner 已提交
6332 6333 6334
	struct bnx2x *bp = params->bp;
	u8 gpio_port;
	/* HW reset */
D
Dmitry Kravkov 已提交
6335 6336 6337 6338
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
6339
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6340 6341
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6342
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
6343 6344
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
6345
	DP(NETIF_MSG_LINK, "reset external PHY\n");
E
Eilon Greenstein 已提交
6346
}
E
Eilon Greenstein 已提交
6347

Y
Yaniv Rosner 已提交
6348 6349
static int bnx2x_update_link_down(struct link_params *params,
				  struct link_vars *vars)
E
Eilon Greenstein 已提交
6350 6351
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
6352
	u8 port = params->port;
E
Eilon Greenstein 已提交
6353

Y
Yaniv Rosner 已提交
6354
	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6355
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6356
	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
Y
Yuval Mintz 已提交
6357
	/* Indicate no mac active */
Y
Yaniv Rosner 已提交
6358
	vars->mac_type = MAC_TYPE_NONE;
6359

Y
Yuval Mintz 已提交
6360
	/* Update shared memory */
6361
	vars->link_status &= ~LINK_UPDATE_MASK;
Y
Yaniv Rosner 已提交
6362 6363
	vars->line_speed = 0;
	bnx2x_update_mng(params, vars->link_status);
E
Eilon Greenstein 已提交
6364

Y
Yuval Mintz 已提交
6365
	/* Activate nig drain */
Y
Yaniv Rosner 已提交
6366
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
E
Eilon Greenstein 已提交
6367

Y
Yuval Mintz 已提交
6368
	/* Disable emac */
6369 6370
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
6371

Y
Yuval Mintz 已提交
6372 6373
	usleep_range(10000, 20000);
	/* Reset BigMac/Xmac */
6374
	if (CHIP_IS_E1x(bp) ||
Y
Yaniv Rosner 已提交
6375 6376 6377
	    CHIP_IS_E2(bp))
		bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);

6378
	if (CHIP_IS_E3(bp)) {
Y
Yuval Mintz 已提交
6379
		/* Prevent LPI Generation by chip */
Y
Yuval Mintz 已提交
6380 6381 6382 6383 6384 6385 6386 6387
		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
6388 6389
		bnx2x_set_xmac_rxtx(params, 0);
		bnx2x_set_umac_rxtx(params, 0);
6390
	}
6391

E
Eilon Greenstein 已提交
6392 6393
	return 0;
}
Y
Yaniv Rosner 已提交
6394

Y
Yaniv Rosner 已提交
6395 6396 6397
static int bnx2x_update_link_up(struct link_params *params,
				struct link_vars *vars,
				u8 link_10g)
E
Eilon Greenstein 已提交
6398 6399
{
	struct bnx2x *bp = params->bp;
6400
	u8 phy_idx, port = params->port;
Y
Yaniv Rosner 已提交
6401
	int rc = 0;
E
Eilon Greenstein 已提交
6402

Y
Yaniv Rosner 已提交
6403 6404
	vars->link_status |= (LINK_STATUS_LINK_UP |
			      LINK_STATUS_PHYSICAL_LINK_FLAG);
6405
	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6406

Y
Yaniv Rosner 已提交
6407 6408 6409
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
		vars->link_status |=
			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
E
Eilon Greenstein 已提交
6410

Y
Yaniv Rosner 已提交
6411 6412 6413
	if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
		vars->link_status |=
			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6414
	if (USES_WARPCORE(bp)) {
6415 6416 6417 6418 6419 6420 6421 6422 6423
		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
6424
			bnx2x_umac_enable(params, vars, 0);
6425
		bnx2x_set_led(params, vars,
6426
			      LED_MODE_OPER, vars->line_speed);
Y
Yuval Mintz 已提交
6427 6428 6429 6430 6431 6432 6433 6434 6435 6436

		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);
		}
6437 6438 6439 6440
	}
	if ((CHIP_IS_E1x(bp) ||
	     CHIP_IS_E2(bp))) {
		if (link_10g) {
Y
Yaniv Rosner 已提交
6441
			if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6442 6443 6444 6445 6446 6447
			    -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;
			}
6448

6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461
			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
6462
	}
6463

Y
Yaniv Rosner 已提交
6464
	/* PBF - link up */
6465
	if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
6466 6467
		rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
				       vars->line_speed);
E
Eilon Greenstein 已提交
6468

Y
Yuval Mintz 已提交
6469
	/* Disable drain */
Y
Yaniv Rosner 已提交
6470
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
E
Eilon Greenstein 已提交
6471

Y
Yuval Mintz 已提交
6472
	/* Update shared memory */
Y
Yaniv Rosner 已提交
6473
	bnx2x_update_mng(params, vars->link_status);
Y
Yuval Mintz 已提交
6474
	bnx2x_update_mng_eee(params, vars->eee_status);
6475 6476 6477 6478 6479 6480 6481
	/* 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
6482 6483
	msleep(20);
	return rc;
E
Eilon Greenstein 已提交
6484
}
6485
/* The bnx2x_link_update function should be called upon link
Y
Yaniv Rosner 已提交
6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496
 * 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
6497
int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
E
Eilon Greenstein 已提交
6498
{
Y
Yaniv Rosner 已提交
6499 6500 6501
	struct bnx2x *bp = params->bp;
	struct link_vars phy_vars[MAX_PHYS];
	u8 port = params->port;
6502
	u8 link_10g_plus, phy_index;
Y
Yaniv Rosner 已提交
6503 6504
	u8 ext_phy_link_up = 0, cur_link_up;
	int rc = 0;
Y
Yaniv Rosner 已提交
6505 6506 6507
	u8 is_mi_int = 0;
	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
	u8 active_external_phy = INT_PHY;
6508
	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6509
	vars->link_status &= ~LINK_UPDATE_MASK;
Y
Yaniv Rosner 已提交
6510 6511 6512 6513 6514 6515 6516 6517
	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;
6518
		phy_vars[phy_index].fault_detected = 0;
Y
Yuval Mintz 已提交
6519 6520
		/* different consideration, since vars holds inner state */
		phy_vars[phy_index].eee_status = vars->eee_status;
Y
Yaniv Rosner 已提交
6521
	}
E
Eilon Greenstein 已提交
6522

6523 6524 6525
	if (USES_WARPCORE(bp))
		bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);

Y
Yaniv Rosner 已提交
6526 6527 6528
	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
6529

Y
Yaniv Rosner 已提交
6530
	is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
Y
Yaniv Rosner 已提交
6531
				port*0x18) > 0);
Y
Yaniv Rosner 已提交
6532 6533 6534
	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
6535
		 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
E
Eilon Greenstein 已提交
6536

Y
Yaniv Rosner 已提交
6537 6538 6539
	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
6540

Y
Yuval Mintz 已提交
6541
	/* Disable emac */
6542 6543
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
E
Eilon Greenstein 已提交
6544

6545
	/* Step 1:
6546 6547
	 * Check external link change only for external phys, and apply
	 * priority selection between them in case the link on both phys
6548
	 * is up. Note that instead of the common vars, a temporary
6549 6550 6551
	 * vars argument is used since each phy may have different link/
	 * speed/duplex result
	 */
Y
Yaniv Rosner 已提交
6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567
	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
6568

Y
Yaniv Rosner 已提交
6569 6570 6571
		if (!ext_phy_link_up) {
			ext_phy_link_up = 1;
			active_external_phy = phy_index;
Y
Yaniv Rosner 已提交
6572 6573 6574 6575
		} else {
			switch (bnx2x_phy_selection(params)) {
			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6576
			/* In this option, the first PHY makes sure to pass the
Y
Yaniv Rosner 已提交
6577 6578
			 * traffic through itself only.
			 * Its not clear how to reset the link on the second phy
6579
			 */
Y
Yaniv Rosner 已提交
6580 6581 6582
				active_external_phy = EXT_PHY1;
				break;
			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6583
			/* In this option, the first PHY makes sure to pass the
Y
Yaniv Rosner 已提交
6584
			 * traffic through the second PHY.
6585
			 */
Y
Yaniv Rosner 已提交
6586 6587 6588
				active_external_phy = EXT_PHY2;
				break;
			default:
6589
			/* Link indication on both PHYs with the following cases
Y
Yaniv Rosner 已提交
6590 6591 6592 6593 6594 6595
			 * 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
6596
			 */
Y
Yaniv Rosner 已提交
6597 6598 6599 6600 6601 6602
				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
6603 6604
		}
	}
Y
Yaniv Rosner 已提交
6605
	prev_line_speed = vars->line_speed;
6606
	/* Step 2:
6607 6608 6609 6610 6611
	 * 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
6612 6613 6614 6615
	if (params->phy[INT_PHY].read_status)
		params->phy[INT_PHY].read_status(
			&params->phy[INT_PHY],
			params, vars);
6616
	/* The INT_PHY flow control reside in the vars. This include the
Y
Yaniv Rosner 已提交
6617 6618 6619 6620 6621
	 * 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
6622
	 */
Y
Yaniv Rosner 已提交
6623 6624
	if (active_external_phy > INT_PHY) {
		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6625
		/* Link speed is taken from the XGXS. AN and FC result from
Y
Yaniv Rosner 已提交
6626
		 * the external phy.
E
Eilon Greenstein 已提交
6627
		 */
Y
Yaniv Rosner 已提交
6628
		vars->link_status |= phy_vars[active_external_phy].link_status;
Y
Yaniv Rosner 已提交
6629

6630
		/* if active_external_phy is first PHY and link is up - disable
Y
Yaniv Rosner 已提交
6631 6632 6633 6634
		 * disable TX on second external PHY
		 */
		if (active_external_phy == EXT_PHY1) {
			if (params->phy[EXT_PHY2].phy_specific_func) {
6635 6636
				DP(NETIF_MSG_LINK,
				   "Disabling TX on EXT_PHY2\n");
Y
Yaniv Rosner 已提交
6637 6638 6639 6640 6641 6642
				params->phy[EXT_PHY2].phy_specific_func(
					&params->phy[EXT_PHY2],
					params, DISABLE_TX);
			}
		}

Y
Yaniv Rosner 已提交
6643 6644 6645 6646 6647
		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
6648 6649
		else
			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
Y
Yuval Mintz 已提交
6650 6651 6652

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

Y
Yaniv Rosner 已提交
6653 6654 6655
		DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
			   active_external_phy);
	}
Y
Yaniv Rosner 已提交
6656 6657 6658 6659 6660 6661 6662 6663 6664 6665 6666

	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
6667 6668 6669
	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);
6670
	/* Upon link speed change set the NIG into drain mode. Comes to
Y
Yaniv Rosner 已提交
6671 6672 6673
	 * deals with possible FIFO glitch due to clk change when speed
	 * is decreased without link down indicator
	 */
E
Eilon Greenstein 已提交
6674

Y
Yaniv Rosner 已提交
6675 6676 6677 6678 6679 6680 6681 6682 6683
	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
6684 6685
			REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
			       0);
Y
Yuval Mintz 已提交
6686
			 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
6687 6688
		}
	}
Y
Yaniv Rosner 已提交
6689

Y
Yuval Mintz 已提交
6690
	/* Anything 10 and over uses the bmac */
6691
	link_10g_plus = (vars->line_speed >= SPEED_10000);
E
Eilon Greenstein 已提交
6692

6693
	bnx2x_link_int_ack(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6694

6695
	/* In case external phy link is up, and internal link is down
6696 6697 6698 6699 6700 6701
	 * (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
6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715
	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
6716 6717 6718 6719

			if (params->phy[INT_PHY].config_init)
				params->phy[INT_PHY].config_init(
					&params->phy[INT_PHY], params,
Y
Yaniv Rosner 已提交
6720
						vars);
E
Eilon Greenstein 已提交
6721
		}
E
Eilon Greenstein 已提交
6722
	}
6723
	/* Link is up only if both local phy and external phy (in case of
6724
	 * non-direct board) are up and no fault detected on active PHY.
E
Eilon Greenstein 已提交
6725
	 */
Y
Yaniv Rosner 已提交
6726 6727
	vars->link_up = (vars->phy_link_up &&
			 (ext_phy_link_up ||
6728 6729
			  SINGLE_MEDIA_DIRECT(params)) &&
			 (phy_vars[active_external_phy].fault_detected == 0));
Y
Yaniv Rosner 已提交
6730

Y
Yaniv Rosner 已提交
6731 6732 6733 6734 6735 6736
	/* 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
6737
	if (vars->link_up)
6738
		rc = bnx2x_update_link_up(params, vars, link_10g_plus);
E
Eilon Greenstein 已提交
6739
	else
Y
Yaniv Rosner 已提交
6740
		rc = bnx2x_update_link_down(params, vars);
E
Eilon Greenstein 已提交
6741

B
Barak Witkowski 已提交
6742 6743 6744 6745
	/* 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
6746
	return rc;
E
Eilon Greenstein 已提交
6747 6748
}

Y
Yaniv Rosner 已提交
6749 6750 6751 6752 6753 6754
/*****************************************************************************/
/*			    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
6755
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yuval Mintz 已提交
6756
	 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
6757
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
6758
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Y
Yaniv Rosner 已提交
6759
}
E
Eilon Greenstein 已提交
6760

Y
Yaniv Rosner 已提交
6761 6762 6763 6764 6765
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
6766

Y
Yaniv Rosner 已提交
6767 6768
	if (ver_addr)
		REG_WR(bp, ver_addr, spirom_ver);
E
Eilon Greenstein 已提交
6769 6770
}

Y
Yaniv Rosner 已提交
6771 6772 6773
static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
				      struct bnx2x_phy *phy,
				      u8 port)
Y
Yaniv Rosner 已提交
6774
{
Y
Yaniv Rosner 已提交
6775 6776 6777
	u16 fw_ver1, fw_ver2;

	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6778
			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
6779
	bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
6780
			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
Y
Yaniv Rosner 已提交
6781 6782
	bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
				  phy->ver_addr);
Y
Yaniv Rosner 已提交
6783
}
6784

Y
Yaniv Rosner 已提交
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 6836 6837
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
6838 6839 6840
static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
					     struct bnx2x_phy *phy,
					     u8 port)
Y
Yaniv Rosner 已提交
6841
{
6842 6843
	u32 count = 0;
	u16 fw_ver1, fw_msgout;
Y
Yaniv Rosner 已提交
6844
	int rc = 0;
6845

Y
Yaniv Rosner 已提交
6846 6847 6848
	/* Boot port from external ROM  */
	/* EDC grst */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6849 6850 6851
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x0001);
Y
Yaniv Rosner 已提交
6852

Y
Yuval Mintz 已提交
6853
	/* Ucode reboot and rst */
Y
Yaniv Rosner 已提交
6854
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6855 6856 6857
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 0x008c);
Y
Yaniv Rosner 已提交
6858 6859

	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6860 6861
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
6862 6863 6864

	/* Reset internal microprocessor */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6865 6866 6867
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
Y
Yaniv Rosner 已提交
6868 6869 6870

	/* Release srst bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6871 6872 6873
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
6874

6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888 6889 6890 6891 6892 6893 6894 6895 6896
	/* 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
6897
		 usleep_range(1000, 2000);
6898 6899 6900
	} 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
6901 6902 6903

	/* Clear ser_boot_ctl bit */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
6904 6905
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
6906
	bnx2x_save_bcm_spirom_ver(bp, phy, port);
6907 6908 6909 6910 6911 6912 6913

	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
6914 6915 6916 6917 6918
}

/******************************************************************/
/*			BCM8073 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
6919
static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
6920 6921 6922 6923 6924 6925
{
	/* 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
6926 6927
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
6928 6929 6930 6931 6932 6933 6934

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

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6935 6936
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2, &val);
Y
Yaniv Rosner 已提交
6937 6938 6939 6940 6941 6942 6943 6944

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

	return 1;
}

Y
Yaniv Rosner 已提交
6945
static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
6946 6947 6948 6949
{
	u16 val, cnt, cnt1 ;

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6950 6951
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_8073_CHIP_REV, &val);
Y
Yaniv Rosner 已提交
6952 6953 6954 6955 6956 6957 6958

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

6959
	/* After loading the boot ROM and restarting Autoneg, poll
6960 6961
	 * Dev1, Reg $C820:
	 */
Y
Yaniv Rosner 已提交
6962 6963 6964

	for (cnt = 0; cnt < 1000; cnt++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
6965 6966 6967
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
				&val);
6968
		  /* If bit [14] = 0 or bit [13] = 0, continue on with
6969 6970 6971
		   * system initialization (XAUI work-around not required, as
		   * these bits indicate 2.5G or 1G link up).
		   */
Y
Yaniv Rosner 已提交
6972 6973 6974 6975
		if (!(val & (1<<14)) || !(val & (1<<13))) {
			DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
			return 0;
		} else if (!(val & (1<<15))) {
6976
			DP(NETIF_MSG_LINK, "bit 15 went off\n");
6977
			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
6978 6979 6980 6981
			 * MSB (bit15) goes to 1 (indicating that the XAUI
			 * workaround has completed), then continue on with
			 * system initialization.
			 */
Y
Yaniv Rosner 已提交
6982 6983 6984 6985 6986 6987 6988 6989 6990
			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
6991
				 usleep_range(3000, 6000);
Y
Yaniv Rosner 已提交
6992 6993 6994
			}
			break;
		}
Y
Yuval Mintz 已提交
6995
		usleep_range(3000, 6000);
Y
Yaniv Rosner 已提交
6996 6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013
	}
	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
7014
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
Y
Yaniv Rosner 已提交
7015 7016
				      struct bnx2x_phy *phy,
				      struct link_vars *vars)
Y
Yaniv Rosner 已提交
7017
{
Y
Yaniv Rosner 已提交
7018
	u16 cl37_val;
Y
Yaniv Rosner 已提交
7019 7020
	struct bnx2x *bp = params->bp;
	bnx2x_cl45_read(bp, phy,
7021
			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
Y
Yaniv Rosner 已提交
7022 7023 7024

	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
7025
	bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Y
Yaniv Rosner 已提交
7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043
	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
7044
	bnx2x_cl45_write(bp, phy,
7045
			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
Y
Yaniv Rosner 已提交
7046
	msleep(500);
Y
Yaniv Rosner 已提交
7047 7048
}

Y
Yaniv Rosner 已提交
7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064
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
7065 7066 7067
static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7068
{
Y
Yaniv Rosner 已提交
7069
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7070 7071 7072
	u16 val = 0, tmp1;
	u8 gpio_port;
	DP(NETIF_MSG_LINK, "Init 8073\n");
Y
Yaniv Rosner 已提交
7073

D
Dmitry Kravkov 已提交
7074 7075 7076 7077
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7078 7079
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7080
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7081

Y
Yaniv Rosner 已提交
7082
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
7083
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
Y
Yaniv Rosner 已提交
7084

Y
Yaniv Rosner 已提交
7085
	bnx2x_8073_specific_func(phy, params, PHY_INIT);
Y
Yaniv Rosner 已提交
7086
	bnx2x_8073_set_pause_cl37(params, phy, vars);
7087

Y
Yaniv Rosner 已提交
7088
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7089
			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7090

Y
Yaniv Rosner 已提交
7091
	bnx2x_cl45_read(bp, phy,
7092
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7093

Y
Yaniv Rosner 已提交
7094
	DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7095

7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106 7107 7108 7109 7110
	/* 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
7111
	/* Enable CL37 BAM */
7112 7113 7114 7115
	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) {
7116

7117 7118 7119 7120 7121 7122 7123 7124
		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
7125 7126 7127 7128 7129 7130 7131 7132 7133 7134 7135 7136 7137
	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);
7138
			/* Note that 2.5G works only when used with 1G
L
Lucas De Marchi 已提交
7139
			 * advertisement
7140
			 */
Y
Yaniv Rosner 已提交
7141 7142 7143 7144 7145 7146 7147
		} else
			val = (1<<5);
	} else {
		val = 0;
		if (phy->speed_cap_mask &
			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
			val |= (1<<7);
7148

L
Lucas De Marchi 已提交
7149
		/* Note that 2.5G works only when used with 1G advertisement */
Y
Yaniv Rosner 已提交
7150 7151 7152 7153 7154 7155
		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);
	}
7156

Y
Yaniv Rosner 已提交
7157 7158
	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);
7159

Y
Yaniv Rosner 已提交
7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176
	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;
	}
7177

Y
Yaniv Rosner 已提交
7178 7179
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
	/* Add support for CL37 (passive mode) II */
7180

Y
Yaniv Rosner 已提交
7181 7182 7183 7184
	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)));
7185

Y
Yaniv Rosner 已提交
7186 7187
	/* Add support for CL37 (passive mode) III */
	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7188

7189
	/* The SNR will improve about 2db by changing BW and FEE main
7190 7191 7192
	 * tap. Rest commands are executed after link is up
	 * Change FFE main cursor to 5 in EDC register
	 */
Y
Yaniv Rosner 已提交
7193 7194 7195 7196
	if (bnx2x_8073_is_snr_needed(bp, phy))
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
				 0xFB0C);
7197

Y
Yaniv Rosner 已提交
7198 7199 7200 7201
	/* 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);
7202

Y
Yaniv Rosner 已提交
7203
	bnx2x_ext_phy_set_pause(params, phy, vars);
7204

Y
Yaniv Rosner 已提交
7205 7206 7207 7208 7209 7210
	/* 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
7211
}
Y
Yaniv Rosner 已提交
7212

Y
Yaniv Rosner 已提交
7213
static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
7214 7215 7216 7217
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7218 7219 7220 7221
	u8 link_up = 0;
	u16 val1, val2;
	u16 link_status = 0;
	u16 an1000_status = 0;
E
Eilon Greenstein 已提交
7222

Y
Yaniv Rosner 已提交
7223
	bnx2x_cl45_read(bp, phy,
7224
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
7225

Y
Yaniv Rosner 已提交
7226
	DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
Y
Yaniv Rosner 已提交
7227

Y
Yuval Mintz 已提交
7228
	/* Clear the interrupt LASI status register */
Y
Yaniv Rosner 已提交
7229 7230 7231 7232 7233 7234 7235 7236 7237 7238 7239
	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,
7240
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
Y
Yaniv Rosner 已提交
7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259

	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;
7260
	}
Y
Yaniv Rosner 已提交
7261 7262 7263 7264
	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);
7265

Y
Yaniv Rosner 已提交
7266 7267 7268 7269 7270 7271 7272
	/* 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);
7273

Y
Yaniv Rosner 已提交
7274 7275
	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
	if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7276
		/* The SNR will improve about 2dbby changing the BW and FEE main
7277 7278 7279
		 * tap. The 1st write to change FFE main tap is set before
		 * restart AN. Change PLL Bandwidth in EDC register
		 */
7280
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7281 7282
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
				 0x26BC);
7283

Y
Yaniv Rosner 已提交
7284
		/* Change CDR Bandwidth in EDC register */
7285
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7286 7287 7288 7289 7290 7291
				 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);
7292

Y
Yaniv Rosner 已提交
7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310 7311 7312
	/* 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);
7313
	}
Y
Yaniv Rosner 已提交
7314 7315

	if (link_up) {
7316 7317 7318 7319 7320 7321 7322
		/* 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);
7323
			/* Set bit 3 to invert Rx in 1G mode and clear this bit
7324 7325
			 * when it`s in 10G mode.
			 */
7326 7327 7328 7329 7330 7331 7332 7333 7334 7335 7336 7337
			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
7338 7339
		bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
		bnx2x_8073_resolve_fc(phy, params, vars);
7340
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
7341
	}
7342 7343 7344 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354

	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
7355
	return link_up;
Y
Yaniv Rosner 已提交
7356 7357
}

Y
Yaniv Rosner 已提交
7358 7359 7360 7361 7362
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
7363 7364 7365 7366
	if (CHIP_IS_E2(bp))
		gpio_port = BP_PATH(bp);
	else
		gpio_port = params->port;
Y
Yaniv Rosner 已提交
7367 7368 7369
	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
7370 7371
		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       gpio_port);
Y
Yaniv Rosner 已提交
7372 7373 7374 7375 7376
}

/******************************************************************/
/*			BCM8705 PHY SECTION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
7377 7378 7379
static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
7380 7381
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7382
	DP(NETIF_MSG_LINK, "init 8705\n");
Y
Yaniv Rosner 已提交
7383 7384
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
7385
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
7386 7387 7388
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7389
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
7390

Y
Yaniv Rosner 已提交
7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402
	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
7403

Y
Yaniv Rosner 已提交
7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414
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);
7415

Y
Yaniv Rosner 已提交
7416 7417 7418
	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);
7419

Y
Yaniv Rosner 已提交
7420 7421
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7422

Y
Yaniv Rosner 已提交
7423 7424 7425 7426
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
	bnx2x_cl45_read(bp, phy,
		      MDIO_PMA_DEVAD, 0xc809, &val1);
7427

Y
Yaniv Rosner 已提交
7428 7429 7430 7431 7432
	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);
7433
	}
Y
Yaniv Rosner 已提交
7434 7435
	return link_up;
}
7436

Y
Yaniv Rosner 已提交
7437 7438 7439
/******************************************************************/
/*			SFP+ module Section			  */
/******************************************************************/
7440 7441 7442 7443 7444
static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 pmd_dis)
{
	struct bnx2x *bp = params->bp;
7445
	/* Disable transmitter only for bootcodes which can enable it afterwards
7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462
	 * (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);
}

7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475
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);
}
7476 7477 7478 7479

static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
					   struct bnx2x_phy *phy,
					   u8 tx_en)
Y
Yaniv Rosner 已提交
7480 7481
{
	u16 val;
7482 7483 7484
	u8 port = params->port;
	struct bnx2x *bp = params->bp;
	u32 tx_en_mode;
7485

Y
Yaniv Rosner 已提交
7486
	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7487 7488 7489 7490 7491 7492 7493 7494
	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:
7495

7496 7497 7498 7499
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_PHY_IDENTIFIER,
				&val);
Y
Yaniv Rosner 已提交
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 7530 7531
		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
7532 7533
}

7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544 7545
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
7546 7547 7548
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
7549 7550
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7551 7552
	u16 val = 0;
	u16 i;
Y
Yuval Mintz 已提交
7553
	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7554 7555
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7556 7557 7558
		return -EINVAL;
	}
	/* Set the read command byte count */
7559
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7560
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Y
Yaniv Rosner 已提交
7561
			 (byte_cnt | 0xa000));
Y
Yaniv Rosner 已提交
7562

Y
Yaniv Rosner 已提交
7563 7564 7565
	/* 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
7566
			 addr);
Y
Yaniv Rosner 已提交
7567

Y
Yaniv Rosner 已提交
7568
	/* Activate read command */
7569
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7570
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Y
Yaniv Rosner 已提交
7571
			 0x2c0f);
Y
Yaniv Rosner 已提交
7572

Y
Yaniv Rosner 已提交
7573 7574 7575
	/* 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
7576 7577
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7578 7579 7580 7581
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7582 7583
	}

Y
Yaniv Rosner 已提交
7584 7585 7586 7587 7588 7589
	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;
7590
	}
Y
Yaniv Rosner 已提交
7591

Y
Yaniv Rosner 已提交
7592 7593
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
7594
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7595 7596
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7597
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7598
	}
Y
Yaniv Rosner 已提交
7599

Y
Yaniv Rosner 已提交
7600 7601
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7602 7603
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7604 7605
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7606
			return 0;
Y
Yuval Mintz 已提交
7607
		 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
7608 7609
	}
	return -EINVAL;
Y
Yaniv Rosner 已提交
7610
}
E
Eilon Greenstein 已提交
7611

7612 7613 7614 7615 7616 7617 7618 7619 7620 7621 7622 7623 7624 7625 7626 7627 7628 7629 7630 7631 7632 7633
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);
}
7634 7635 7636
static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
						 struct link_params *params,
						 u16 addr, u8 byte_cnt,
7637
						 u8 *o_buf, u8 is_init)
7638 7639 7640 7641 7642 7643
{
	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
7644 7645

	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7646 7647
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 16 bytes\n");
7648 7649 7650 7651 7652 7653
		return -EINVAL;
	}

	/* 4 byte aligned address */
	addr32 = addr & (~0x3);
	do {
7654
		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7655 7656
			bnx2x_warpcore_power_module(params, phy, 0);
			/* Note that 100us are not enough here */
7657
			usleep_range(1000, 2000);
7658 7659
			bnx2x_warpcore_power_module(params, phy, 1);
		}
7660 7661 7662 7663 7664 7665 7666 7667 7668 7669 7670 7671 7672 7673
		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
7674 7675 7676
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
7677 7678
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7679
	u16 val, i;
Y
Yaniv Rosner 已提交
7680

Y
Yuval Mintz 已提交
7681
	if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7682 7683
		DP(NETIF_MSG_LINK,
		   "Reading from eeprom is limited to 0xf\n");
Y
Yaniv Rosner 已提交
7684 7685
		return -EINVAL;
	}
E
Eilon Greenstein 已提交
7686

Y
Yaniv Rosner 已提交
7687 7688
	/* Need to read from 1.8000 to clear it */
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7689 7690 7691
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			&val);
E
Eilon Greenstein 已提交
7692

Y
Yaniv Rosner 已提交
7693
	/* Set the read command byte count */
7694
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7695 7696 7697
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
			 ((byte_cnt < 2) ? 2 : byte_cnt));
Y
Yaniv Rosner 已提交
7698

Y
Yaniv Rosner 已提交
7699
	/* Set the read command address */
7700
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7701 7702 7703
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
			 addr);
Y
Yaniv Rosner 已提交
7704
	/* Set the destination address */
7705
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7706 7707 7708
			 MDIO_PMA_DEVAD,
			 0x8004,
			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7709

Y
Yaniv Rosner 已提交
7710
	/* Activate read command */
7711
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
7712 7713 7714
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
			 0x8002);
7715
	/* Wait appropriate time for two-wire command to finish before
7716 7717
	 * polling the status register
	 */
Y
Yuval Mintz 已提交
7718
	 usleep_range(1000, 2000);
E
Eilon Greenstein 已提交
7719

Y
Yaniv Rosner 已提交
7720 7721
	/* Wait up to 500us for command complete status */
	for (i = 0; i < 100; i++) {
7722
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7723 7724
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7725 7726 7727 7728
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
			break;
		udelay(5);
7729
	}
E
Eilon Greenstein 已提交
7730

Y
Yaniv Rosner 已提交
7731 7732 7733 7734 7735
	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));
7736
		return -EFAULT;
Y
Yaniv Rosner 已提交
7737
	}
7738

Y
Yaniv Rosner 已提交
7739 7740 7741
	/* Read the buffer */
	for (i = 0; i < byte_cnt; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7742 7743
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
Y
Yaniv Rosner 已提交
7744 7745
		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
	}
E
Eilon Greenstein 已提交
7746

Y
Yaniv Rosner 已提交
7747 7748
	for (i = 0; i < 100; i++) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
7749 7750
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
Y
Yaniv Rosner 已提交
7751 7752
		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7753
			return 0;
Y
Yuval Mintz 已提交
7754
		 usleep_range(1000, 2000);
7755 7756
	}

Y
Yaniv Rosner 已提交
7757
	return -EINVAL;
Y
Yaniv Rosner 已提交
7758 7759
}

Y
Yaniv Rosner 已提交
7760 7761 7762
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
7763
{
Y
Yuval Mintz 已提交
7764
	int rc = -EOPNOTSUPP;
Y
Yaniv Rosner 已提交
7765 7766 7767 7768 7769 7770 7771 7772 7773 7774
	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;
7775 7776
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
		rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
7777
							   byte_cnt, o_buf, 0);
7778
	break;
Y
Yaniv Rosner 已提交
7779 7780
	}
	return rc;
Y
Yaniv Rosner 已提交
7781 7782
}

Y
Yaniv Rosner 已提交
7783 7784 7785
static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
			      struct link_params *params,
			      u16 *edc_mode)
Y
Yaniv Rosner 已提交
7786 7787
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7788
	u32 sync_offset = 0, phy_idx, media_types;
Y
Yuval Mintz 已提交
7789
	u8 val[2], check_limiting_mode = 0;
Y
Yaniv Rosner 已提交
7790
	*edc_mode = EDC_MODE_LIMITING;
7791

Y
Yaniv Rosner 已提交
7792
	phy->media_type = ETH_PHY_UNSPECIFIED;
Y
Yaniv Rosner 已提交
7793 7794 7795 7796
	/* First check for copper cable */
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
					 SFP_EEPROM_CON_TYPE_ADDR,
Y
Yuval Mintz 已提交
7797 7798
					 2,
					 (u8 *)val) != 0) {
Y
Yaniv Rosner 已提交
7799 7800 7801
		DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
		return -EINVAL;
	}
7802

Y
Yuval Mintz 已提交
7803
	switch (val[0]) {
Y
Yaniv Rosner 已提交
7804 7805 7806
	case SFP_EEPROM_CON_TYPE_VAL_COPPER:
	{
		u8 copper_module_type;
Y
Yaniv Rosner 已提交
7807
		phy->media_type = ETH_PHY_DA_TWINAX;
7808
		/* Check if its active cable (includes SFP+ module)
7809 7810
		 * of passive cable
		 */
Y
Yaniv Rosner 已提交
7811 7812 7813 7814
		if (bnx2x_read_sfp_module_eeprom(phy,
					       params,
					       SFP_EEPROM_FC_TX_TECH_ADDR,
					       1,
7815
					       &copper_module_type) != 0) {
Y
Yaniv Rosner 已提交
7816 7817 7818 7819 7820
			DP(NETIF_MSG_LINK,
				"Failed to read copper-cable-type"
				" from SFP+ EEPROM\n");
			return -EINVAL;
		}
Y
Yaniv Rosner 已提交
7821

Y
Yaniv Rosner 已提交
7822 7823 7824 7825 7826 7827
		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) {
7828 7829
				DP(NETIF_MSG_LINK,
				   "Passive Copper cable detected\n");
Y
Yaniv Rosner 已提交
7830 7831 7832
				*edc_mode =
				      EDC_MODE_PASSIVE_DAC;
		} else {
7833 7834 7835
			DP(NETIF_MSG_LINK,
			   "Unknown copper-cable-type 0x%x !!!\n",
			   copper_module_type);
Y
Yaniv Rosner 已提交
7836 7837 7838
			return -EINVAL;
		}
		break;
7839
	}
Y
Yaniv Rosner 已提交
7840 7841
	case SFP_EEPROM_CON_TYPE_VAL_LC:
		check_limiting_mode = 1;
Y
Yuval Mintz 已提交
7842 7843 7844 7845 7846 7847 7848 7849 7850 7851 7852 7853 7854 7855 7856 7857 7858 7859
		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
7860 7861 7862
		break;
	default:
		DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
Y
Yuval Mintz 已提交
7863
			 val[0]);
Y
Yaniv Rosner 已提交
7864
		return -EINVAL;
7865
	}
Y
Yaniv Rosner 已提交
7866 7867 7868 7869 7870 7871 7872 7873 7874 7875 7876 7877 7878 7879 7880 7881
	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
7882 7883 7884 7885 7886 7887 7888
	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) {
7889 7890
			DP(NETIF_MSG_LINK,
			   "Failed to read Option field from module EEPROM\n");
Y
Yaniv Rosner 已提交
7891 7892 7893 7894 7895 7896
			return -EINVAL;
		}
		if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
			*edc_mode = EDC_MODE_LINEAR;
		else
			*edc_mode = EDC_MODE_LIMITING;
7897
	}
Y
Yaniv Rosner 已提交
7898
	DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
7899
	return 0;
Y
Yaniv Rosner 已提交
7900
}
7901
/* This function read the relevant field from the module (SFP+), and verify it
7902 7903
 * is compliant with this board
 */
Y
Yaniv Rosner 已提交
7904 7905
static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
				   struct link_params *params)
Y
Yaniv Rosner 已提交
7906 7907
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7908 7909
	u32 val, cmd;
	u32 fw_resp, fw_cmd_param;
Y
Yaniv Rosner 已提交
7910 7911
	char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
	char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Y
Yaniv Rosner 已提交
7912
	phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Y
Yaniv Rosner 已提交
7913 7914 7915 7916 7917 7918 7919 7920
	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
7921

Y
Yaniv Rosner 已提交
7922 7923 7924 7925 7926 7927 7928 7929
	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)) {
7930 7931
			DP(NETIF_MSG_LINK,
			   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
7932 7933 7934 7935 7936
			return -EINVAL;
		}
		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
	} else {
		/* No support in OPT MDL detection */
7937 7938
		DP(NETIF_MSG_LINK,
		   "FW does not support OPT MDL verification\n");
Y
Yaniv Rosner 已提交
7939 7940
		return -EINVAL;
	}
7941

Y
Yaniv Rosner 已提交
7942 7943
	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
7944 7945 7946 7947
	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
7948

Y
Yuval Mintz 已提交
7949
	/* Format the warning message */
Y
Yaniv Rosner 已提交
7950 7951
	if (bnx2x_read_sfp_module_eeprom(phy,
					 params,
Y
Yaniv Rosner 已提交
7952 7953 7954
					 SFP_EEPROM_VENDOR_NAME_ADDR,
					 SFP_EEPROM_VENDOR_NAME_SIZE,
					 (u8 *)vendor_name))
Y
Yaniv Rosner 已提交
7955 7956 7957 7958 7959
		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
7960 7961 7962
					 SFP_EEPROM_PART_NO_ADDR,
					 SFP_EEPROM_PART_NO_SIZE,
					 (u8 *)vendor_pn))
Y
Yaniv Rosner 已提交
7963 7964 7965 7966
		vendor_pn[0] = '\0';
	else
		vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';

7967 7968 7969
	netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
			      " Port %d from %s part number %s\n",
			 params->port, vendor_name, vendor_pn);
7970 7971 7972
	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
7973
	return -EINVAL;
Y
Yaniv Rosner 已提交
7974
}
7975

Y
Yaniv Rosner 已提交
7976 7977
static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
						 struct link_params *params)
7978

E
Eilon Greenstein 已提交
7979
{
Y
Yaniv Rosner 已提交
7980
	u8 val;
7981
	int rc;
E
Eilon Greenstein 已提交
7982
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
7983
	u16 timeout;
7984
	/* Initialization time after hot-plug may take up to 300ms for
7985 7986 7987
	 * some phys type ( e.g. JDSU )
	 */

Y
Yaniv Rosner 已提交
7988
	for (timeout = 0; timeout < 60; timeout++) {
7989 7990 7991 7992 7993 7994 7995 7996
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
			rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
								   params, 1,
								   1, &val, 1);
		else
			rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
							  &val);
		if (rc == 0) {
7997 7998 7999
			DP(NETIF_MSG_LINK,
			   "SFP+ module initialization took %d ms\n",
			   timeout * 5);
Y
Yaniv Rosner 已提交
8000 8001
			return 0;
		}
Y
Yuval Mintz 已提交
8002
		usleep_range(5000, 10000);
Y
Yaniv Rosner 已提交
8003
	}
8004 8005
	rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
	return rc;
Y
Yaniv Rosner 已提交
8006
}
E
Eilon Greenstein 已提交
8007

Y
Yaniv Rosner 已提交
8008 8009 8010 8011 8012
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;
8013
	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
Y
Yaniv Rosner 已提交
8014 8015
	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
	 * output
8016 8017
	 * 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
8018 8019
	 * where the 1st bit is the over-current(only input), and 2nd bit is
	 * for power( only output )
8020
	 *
Y
Yaniv Rosner 已提交
8021 8022 8023 8024 8025
	 * 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;
8026
	if (is_power_up)
Y
Yaniv Rosner 已提交
8027 8028
		val = (1<<4);
	else
8029
		/* Set GPIO control to OUTPUT, and set the power bit
Y
Yaniv Rosner 已提交
8030 8031
		 * to according to the is_power_up
		 */
8032
		val = (1<<1);
E
Eilon Greenstein 已提交
8033

Y
Yaniv Rosner 已提交
8034 8035 8036 8037 8038
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_8727_GPIO_CTRL,
			 val);
}
E
Eilon Greenstein 已提交
8039

Y
Yaniv Rosner 已提交
8040 8041 8042
static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8043 8044
{
	u16 cur_limiting_mode;
E
Eilon Greenstein 已提交
8045

Y
Yaniv Rosner 已提交
8046
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8047 8048 8049
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&cur_limiting_mode);
Y
Yaniv Rosner 已提交
8050 8051 8052 8053
	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
8054
		DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
Y
Yaniv Rosner 已提交
8055
		bnx2x_cl45_write(bp, phy,
8056
				 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
8057 8058 8059
				 MDIO_PMA_REG_ROM_VER2,
				 EDC_MODE_LIMITING);
	} else { /* LRM mode ( default )*/
E
Eilon Greenstein 已提交
8060

Y
Yaniv Rosner 已提交
8061
		DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
E
Eilon Greenstein 已提交
8062

8063
		/* Changing to LRM mode takes quite few seconds. So do it only
8064 8065
		 * if current mode is limiting (default is LRM)
		 */
Y
Yaniv Rosner 已提交
8066 8067
		if (cur_limiting_mode != EDC_MODE_LIMITING)
			return 0;
E
Eilon Greenstein 已提交
8068

Y
Yaniv Rosner 已提交
8069
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8070 8071 8072
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0);
Y
Yaniv Rosner 已提交
8073
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8074 8075 8076
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_ROM_VER2,
				 0x128);
Y
Yaniv Rosner 已提交
8077
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8078 8079 8080
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_MISC_CTRL0,
				 0x4008);
Y
Yaniv Rosner 已提交
8081
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8082 8083 8084
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_LRM_MODE,
				 0xaaaa);
E
Eilon Greenstein 已提交
8085
	}
Y
Yaniv Rosner 已提交
8086
	return 0;
E
Eilon Greenstein 已提交
8087 8088
}

Y
Yaniv Rosner 已提交
8089 8090 8091
static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
					struct bnx2x_phy *phy,
					u16 edc_mode)
Y
Yaniv Rosner 已提交
8092
{
Y
Yaniv Rosner 已提交
8093 8094
	u16 phy_identifier;
	u16 rom_ver2_val;
8095
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8096 8097 8098
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER,
			&phy_identifier);
Y
Yaniv Rosner 已提交
8099

Y
Yaniv Rosner 已提交
8100
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8101 8102 8103
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier & ~(1<<9)));
Y
Yaniv Rosner 已提交
8104

8105
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8106 8107 8108
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_ROM_VER2,
			&rom_ver2_val);
Y
Yaniv Rosner 已提交
8109 8110
	/* 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
8111 8112 8113
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_ROM_VER2,
			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
E
Eilon Greenstein 已提交
8114

Y
Yaniv Rosner 已提交
8115
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8116 8117 8118
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_PHY_IDENTIFIER,
			 (phy_identifier | (1<<9)));
E
Eilon Greenstein 已提交
8119

Y
Yaniv Rosner 已提交
8120
	return 0;
Y
Yaniv Rosner 已提交
8121
}
Y
Yaniv Rosner 已提交
8122

Y
Yaniv Rosner 已提交
8123 8124 8125 8126 8127
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
8128
	u16 val;
Y
Yaniv Rosner 已提交
8129 8130
	switch (action) {
	case DISABLE_TX:
8131
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8132 8133 8134
		break;
	case ENABLE_TX:
		if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8135
			bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8136
		break;
Y
Yaniv Rosner 已提交
8137 8138 8139 8140 8141 8142 8143 8144 8145 8146 8147 8148 8149 8150 8151 8152 8153 8154 8155 8156 8157 8158 8159 8160 8161 8162 8163 8164 8165 8166 8167 8168 8169 8170
	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
8171 8172 8173 8174 8175 8176 8177
	default:
		DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
		   action);
		return;
	}
}

8178
static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8179 8180 8181 8182 8183 8184 8185 8186 8187 8188 8189 8190 8191 8192 8193 8194 8195 8196 8197 8198 8199 8200 8201 8202 8203 8204 8205 8206 8207 8208 8209
					   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);
	}
}

8210 8211 8212 8213 8214 8215 8216 8217 8218 8219 8220 8221 8222 8223 8224 8225 8226 8227 8228 8229 8230 8231
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)) {
8232
		/* Low ==> if SFP+ module is supported otherwise
8233 8234 8235 8236 8237 8238 8239
		 * 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);
}

8240 8241 8242
static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
				    struct link_params *params)
{
8243
	struct bnx2x *bp = params->bp;
8244
	bnx2x_warpcore_power_module(params, phy, 0);
8245 8246 8247 8248 8249 8250 8251
	/* 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);
8252 8253
}

Y
Yaniv Rosner 已提交
8254 8255 8256 8257 8258 8259 8260 8261 8262 8263 8264 8265
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;
8266 8267 8268 8269 8270 8271 8272 8273 8274 8275 8276 8277 8278 8279 8280 8281 8282 8283 8284 8285 8286 8287 8288 8289 8290 8291 8292 8293 8294
	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
8295 8296 8297
	default:
		break;
	}
8298 8299 8300 8301 8302 8303 8304 8305

	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);

8306 8307 8308
	/* Restart microcode to re-read the new mode */
	bnx2x_warpcore_reset_lane(bp, phy, 1);
	bnx2x_warpcore_reset_lane(bp, phy, 0);
8309

Y
Yaniv Rosner 已提交
8310 8311 8312 8313 8314 8315 8316 8317 8318 8319 8320 8321 8322 8323
}

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;
8324 8325 8326
	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
8327 8328 8329
	}
}

Y
Yaniv Rosner 已提交
8330 8331
int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
			       struct link_params *params)
Y
Yaniv Rosner 已提交
8332 8333
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8334
	u16 edc_mode;
Y
Yaniv Rosner 已提交
8335
	int rc = 0;
Y
Yaniv Rosner 已提交
8336

Y
Yaniv Rosner 已提交
8337 8338 8339
	u32 val = REG_RD(bp, params->shmem_base +
			     offsetof(struct shmem_region, dev_info.
				     port_feature_config[params->port].config));
8340

Y
Yaniv Rosner 已提交
8341 8342
	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
		 params->port);
Y
Yaniv Rosner 已提交
8343 8344
	/* Power up module */
	bnx2x_power_sfp_module(params, phy, 1);
Y
Yaniv Rosner 已提交
8345 8346 8347
	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
8348
	} else if (bnx2x_verify_sfp_module(phy, params) != 0) {
Y
Yuval Mintz 已提交
8349
		/* Check SFP+ module compatibility */
Y
Yaniv Rosner 已提交
8350 8351 8352
		DP(NETIF_MSG_LINK, "Module verification failed!!\n");
		rc = -EINVAL;
		/* Turn on fault module-detected led */
8353 8354 8355
		bnx2x_set_sfp_module_fault_led(params,
					       MISC_REGISTERS_GPIO_HIGH);

Y
Yaniv Rosner 已提交
8356 8357 8358
		/* 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
8359
			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
Y
Yaniv Rosner 已提交
8360
			bnx2x_power_sfp_module(params, phy, 0);
Y
Yaniv Rosner 已提交
8361 8362 8363 8364
			return rc;
		}
	} else {
		/* Turn off fault module-detected led */
8365
		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8366
	}
Y
Yaniv Rosner 已提交
8367

8368
	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
8369 8370
	 * is done automatically
	 */
Y
Yaniv Rosner 已提交
8371 8372
	bnx2x_set_limiting_mode(params, phy, edc_mode);

8373
	/* Enable transmit for this module if the module is approved, or
Y
Yaniv Rosner 已提交
8374 8375 8376 8377 8378
	 * 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)
8379
		bnx2x_sfp_set_transmitter(params, phy, 1);
Y
Yaniv Rosner 已提交
8380
	else
8381
		bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
8382

Y
Yaniv Rosner 已提交
8383 8384 8385 8386
	return rc;
}

void bnx2x_handle_module_detect_int(struct link_params *params)
Y
Yaniv Rosner 已提交
8387 8388
{
	struct bnx2x *bp = params->bp;
8389
	struct bnx2x_phy *phy;
Y
Yaniv Rosner 已提交
8390
	u32 gpio_val;
8391 8392 8393 8394 8395 8396 8397 8398 8399 8400 8401 8402
	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
8403

Y
Yaniv Rosner 已提交
8404
	/* Set valid module led off */
8405
	bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
E
Eilon Greenstein 已提交
8406

8407
	/* Get current gpio val reflecting module plugged in / out*/
8408
	gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8409

Y
Yaniv Rosner 已提交
8410 8411
	/* Call the handling function in case module is detected */
	if (gpio_val == 0) {
Y
Yuval Mintz 已提交
8412 8413 8414
		bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
		bnx2x_set_aer_mmd(params, phy);

Y
Yaniv Rosner 已提交
8415
		bnx2x_power_sfp_module(params, phy, 1);
8416
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8417
				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8418
				   gpio_port);
Y
Yuval Mintz 已提交
8419
		if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
Y
Yaniv Rosner 已提交
8420
			bnx2x_sfp_module_detection(phy, params);
Y
Yuval Mintz 已提交
8421 8422 8423 8424 8425 8426 8427 8428 8429 8430 8431 8432 8433 8434 8435 8436 8437
			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
8438
			DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
Y
Yuval Mintz 已提交
8439
		}
Y
Yaniv Rosner 已提交
8440 8441
	} else {
		u32 val = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
8442 8443 8444
				 offsetof(struct shmem_region, dev_info.
					  port_feature_config[params->port].
					  config));
8445
		bnx2x_set_gpio_int(bp, gpio_num,
Y
Yaniv Rosner 已提交
8446
				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8447
				   gpio_port);
8448
		/* Module was plugged out.
8449 8450
		 * Disable transmit for this module
		 */
Y
Yaniv Rosner 已提交
8451
		phy->media_type = ETH_PHY_NOT_PRESENT;
Y
Yaniv Rosner 已提交
8452 8453 8454
		if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
		    CHIP_IS_E3(bp))
8455
			bnx2x_sfp_set_transmitter(params, phy, 0);
8456
	}
Y
Yaniv Rosner 已提交
8457
}
8458

8459 8460 8461 8462 8463 8464 8465 8466 8467 8468 8469 8470 8471 8472 8473 8474 8475 8476 8477 8478 8479 8480 8481
/******************************************************************/
/*		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
8482 8483 8484 8485 8486 8487 8488 8489 8490 8491 8492 8493
/******************************************************************/
/*		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*/
8494
	bnx2x_cl45_read(bp, phy,
8495
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8496

8497 8498
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
8499

Y
Yuval Mintz 已提交
8500
	/* Clear LASI indication*/
Y
Yaniv Rosner 已提交
8501
	bnx2x_cl45_read(bp, phy,
8502
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
8503
	bnx2x_cl45_read(bp, phy,
8504
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
8505
	DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8506 8507

	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8508 8509 8510 8511 8512 8513 8514
			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);
8515

Y
Yaniv Rosner 已提交
8516 8517
	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);
8518
	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8519
	 * are set, or if the autoneg bit 1 is set
Y
Yaniv Rosner 已提交
8520 8521 8522 8523 8524 8525 8526
	 */
	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;
8527
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
8528
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
8529
	}
8530 8531 8532 8533

	/* Capture 10G link fault. Read twice to clear stale value. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8534
			    MDIO_PMA_LASI_TXSTAT, &val1);
8535
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8536
			    MDIO_PMA_LASI_TXSTAT, &val1);
8537 8538 8539 8540
		if (val1 & (1<<0))
			vars->fault_detected = 1;
	}

8541
	return link_up;
Y
Yaniv Rosner 已提交
8542
}
8543

Y
Yaniv Rosner 已提交
8544 8545 8546 8547
/******************************************************************/
/*			BCM8706 PHY SECTION			  */
/******************************************************************/
static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8548 8549 8550
				 struct link_params *params,
				 struct link_vars *vars)
{
8551 8552
	u32 tx_en_mode;
	u16 cnt, val, tmp1;
Y
Yaniv Rosner 已提交
8553
	struct bnx2x *bp = params->bp;
8554

Y
Yaniv Rosner 已提交
8555
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
8556
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
8557 8558 8559
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8560
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8561

Y
Yaniv Rosner 已提交
8562 8563 8564 8565 8566 8567
	/* 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
8568
		usleep_range(10000, 20000);
Y
Yaniv Rosner 已提交
8569 8570 8571 8572 8573 8574 8575 8576 8577 8578 8579 8580 8581 8582 8583 8584 8585 8586 8587 8588 8589 8590 8591
	}
	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
8592

Y
Yaniv Rosner 已提交
8593 8594 8595 8596
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
		bnx2x_cl45_write(bp, phy,
8597
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8598 8599 8600
				 0);
		/* Arm LASI for link and Tx fault. */
		bnx2x_cl45_write(bp, phy,
8601
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
Y
Yaniv Rosner 已提交
8602
	} else {
L
Lucas De Marchi 已提交
8603
		/* Force 1Gbps using autoneg with 1G advertisement */
Y
Yaniv Rosner 已提交
8604

Y
Yaniv Rosner 已提交
8605 8606 8607 8608
		/* 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
8609

L
Lucas De Marchi 已提交
8610
		/* Enable Full-Duplex advertisement on CL37 */
Y
Yaniv Rosner 已提交
8611 8612 8613 8614 8615 8616 8617 8618
		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
8619

Y
Yaniv Rosner 已提交
8620 8621 8622 8623
		/* Enable clause 73 AN */
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
		bnx2x_cl45_write(bp, phy,
8624
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8625 8626
				 0x0400);
		bnx2x_cl45_write(bp, phy,
8627
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
8628 8629 8630
				 0x0004);
	}
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8631

8632
	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8633 8634 8635 8636 8637 8638 8639 8640 8641 8642 8643 8644 8645 8646 8647 8648 8649
	 * 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
8650 8651
	return 0;
}
Y
Yaniv Rosner 已提交
8652

Y
Yaniv Rosner 已提交
8653 8654 8655
static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8656 8657 8658
{
	return bnx2x_8706_8726_read_status(phy, params, vars);
}
Y
Yaniv Rosner 已提交
8659

Y
Yaniv Rosner 已提交
8660 8661 8662 8663 8664 8665 8666 8667 8668 8669
/******************************************************************/
/*			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);
}
8670

Y
Yaniv Rosner 已提交
8671 8672 8673 8674 8675 8676
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);
8677

Y
Yaniv Rosner 已提交
8678 8679 8680
	/* Micro controller re-boot */
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8681

Y
Yaniv Rosner 已提交
8682 8683
	/* Set soft reset */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8684 8685 8686
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8687

Y
Yaniv Rosner 已提交
8688
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8689 8690
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
Y
Yaniv Rosner 已提交
8691

Y
Yaniv Rosner 已提交
8692
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8693 8694 8695
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_GEN_CTRL,
			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
Y
Yaniv Rosner 已提交
8696

Y
Yuval Mintz 已提交
8697
	/* Wait for 150ms for microcode load */
Y
Yaniv Rosner 已提交
8698 8699 8700 8701
	msleep(150);

	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
8702 8703
			 MDIO_PMA_DEVAD,
			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
Y
Yaniv Rosner 已提交
8704 8705 8706

	msleep(200);
	bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
Y
Yaniv Rosner 已提交
8707 8708
}

Y
Yaniv Rosner 已提交
8709
static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
8710 8711 8712 8713
				 struct link_params *params,
				 struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8714 8715
	u16 val1;
	u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
8716 8717
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
8718 8719 8720 8721 8722 8723 8724
				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;
		}
8725 8726
	}
	return link_up;
Y
Yaniv Rosner 已提交
8727 8728
}

Y
Yaniv Rosner 已提交
8729

Y
Yaniv Rosner 已提交
8730 8731 8732
static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8733 8734
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8735
	DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
8736

Y
Yaniv Rosner 已提交
8737
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
8738
	bnx2x_wait_reset_complete(bp, phy, params);
8739

Y
Yaniv Rosner 已提交
8740
	bnx2x_8726_external_rom_boot(phy, params);
8741

8742
	/* Need to call module detected on initialization since the module
8743 8744 8745 8746
	 * 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
8747
	bnx2x_sfp_module_detection(phy, params);
8748

Y
Yaniv Rosner 已提交
8749 8750 8751 8752 8753 8754 8755
	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,
8756
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
Y
Yaniv Rosner 已提交
8757
		bnx2x_cl45_write(bp, phy,
8758
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8759 8760 8761 8762 8763 8764 8765 8766 8767 8768 8769 8770 8771 8772 8773 8774 8775 8776 8777 8778
				 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);
8779
		/* Enable RX-ALARM control to receive interrupt for 1G speed
8780 8781
		 * change
		 */
Y
Yaniv Rosner 已提交
8782
		bnx2x_cl45_write(bp, phy,
8783
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
Y
Yaniv Rosner 已提交
8784
		bnx2x_cl45_write(bp, phy,
8785
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
8786
				 0x400);
8787

Y
Yaniv Rosner 已提交
8788 8789
	} else { /* Default 10G. Set only LASI control */
		bnx2x_cl45_write(bp, phy,
8790
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
8791 8792
	}

Y
Yaniv Rosner 已提交
8793 8794 8795
	/* Set TX PreEmphasis if needed */
	if ((params->feature_config_flags &
	     FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8796 8797
		DP(NETIF_MSG_LINK,
		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
Y
Yaniv Rosner 已提交
8798 8799 8800 8801 8802 8803
			 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]);
8804

Y
Yaniv Rosner 已提交
8805 8806 8807 8808 8809
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_8726_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
8810

Y
Yaniv Rosner 已提交
8811
	return 0;
8812

Y
Yaniv Rosner 已提交
8813 8814
}

Y
Yaniv Rosner 已提交
8815 8816
static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
8817
{
Y
Yaniv Rosner 已提交
8818 8819 8820 8821 8822 8823 8824 8825 8826 8827 8828
	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			  */
/******************************************************************/
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 8866 8867 8868 8869 8870 8871 8872 8873 8874 8875

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
8876 8877 8878 8879
static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params) {
	u32 swap_val, swap_override;
	u8 port;
8880
	/* The PHY reset is controlled by GPIO 1. Fake the port number
Y
Yaniv Rosner 已提交
8881
	 * to cancel the swap done in set_gpio()
8882
	 */
Y
Yaniv Rosner 已提交
8883 8884 8885 8886 8887
	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
8888
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8889
}
Y
Yaniv Rosner 已提交
8890

Y
Yuval Mintz 已提交
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 8938 8939 8940 8941 8942 8943 8944 8945 8946 8947
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
8948 8949 8950
static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
8951
{
8952
	u32 tx_en_mode;
Y
Yaniv Rosner 已提交
8953
	u16 tmp1, mod_abs, tmp2;
Y
Yaniv Rosner 已提交
8954
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
8955
	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
Y
Yaniv Rosner 已提交
8956

8957
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
8958

Y
Yaniv Rosner 已提交
8959
	DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
Y
Yaniv Rosner 已提交
8960

Y
Yaniv Rosner 已提交
8961
	bnx2x_8727_specific_func(phy, params, PHY_INIT);
8962
	/* Initially configure MOD_ABS to interrupt when module is
8963 8964
	 * presence( bit 8)
	 */
Y
Yaniv Rosner 已提交
8965 8966
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
8967
	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
8968 8969 8970
	 * When the EDC is off it locks onto a reference clock and avoids
	 * becoming 'lost'
	 */
8971 8972 8973
	mod_abs &= ~(1<<8);
	if (!(phy->flags & FLAGS_NOC))
		mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
8974 8975
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
8976

8977 8978 8979
	/* Enable/Disable PHY transmitter output */
	bnx2x_set_disable_pmd_transmit(params, phy, 0);

Y
Yaniv Rosner 已提交
8980 8981 8982 8983 8984 8985
	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,
8986
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
Y
Yaniv Rosner 已提交
8987

Y
Yuval Mintz 已提交
8988
	bnx2x_8727_config_speed(phy, params);
Y
Yaniv Rosner 已提交
8989

Y
Yaniv Rosner 已提交
8990

Y
Yaniv Rosner 已提交
8991 8992 8993 8994 8995 8996 8997 8998 8999
	/* 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
9000

Y
Yaniv Rosner 已提交
9001 9002 9003 9004
		bnx2x_cl45_write(bp, phy,
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
				 phy->tx_preemphasis[1]);
	}
Y
Yaniv Rosner 已提交
9005

9006
	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9007 9008 9009 9010 9011 9012 9013 9014 9015 9016 9017 9018 9019 9020 9021 9022
	 * 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);
9023 9024 9025 9026 9027 9028
		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));
9029 9030
	}

Y
Yaniv Rosner 已提交
9031
	return 0;
Y
Yaniv Rosner 已提交
9032 9033
}

Y
Yaniv Rosner 已提交
9034 9035
static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
				      struct link_params *params)
Y
Yaniv Rosner 已提交
9036 9037
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9038 9039 9040 9041 9042 9043
	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
9044 9045
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
Y
Yaniv Rosner 已提交
9046
	if (mod_abs & (1<<8)) {
Y
Yaniv Rosner 已提交
9047

Y
Yaniv Rosner 已提交
9048
		/* Module is absent */
9049 9050
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is absent\n");
Y
Yaniv Rosner 已提交
9051
		phy->media_type = ETH_PHY_NOT_PRESENT;
9052
		/* 1. Set mod_abs to detect next module
9053 9054 9055 9056 9057 9058
		 *    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'.
		 */
9059 9060 9061
		mod_abs &= ~(1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs &= ~(1<<9);
Y
Yaniv Rosner 已提交
9062
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9063 9064
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9065

9066
		/* Clear RX alarm since it stays up as long as
9067 9068
		 * the mod_abs wasn't changed
		 */
Y
Yaniv Rosner 已提交
9069
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
9070
				MDIO_PMA_DEVAD,
9071
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9072

Y
Yaniv Rosner 已提交
9073 9074
	} else {
		/* Module is present */
9075 9076
		DP(NETIF_MSG_LINK,
		   "MOD_ABS indication show module is present\n");
9077
		/* First disable transmitter, and if the module is ok, the
9078 9079 9080 9081 9082 9083
		 * 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)
		 */
9084 9085 9086
		mod_abs |= (1<<8);
		if (!(phy->flags & FLAGS_NOC))
			mod_abs |= (1<<9);
Y
Yaniv Rosner 已提交
9087
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9088 9089
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
Y
Yaniv Rosner 已提交
9090

9091
		/* Clear RX alarm since it stays up as long as the mod_abs
9092 9093 9094 9095
		 * 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
9096 9097
		bnx2x_cl45_read(bp, phy,
				MDIO_PMA_DEVAD,
9098
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9099 9100


Y
Yaniv Rosner 已提交
9101 9102
		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9103
			bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9104 9105 9106 9107 9108

		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
9109 9110 9111

		/* Reconfigure link speed based on module type limitations */
		bnx2x_8727_config_speed(phy, params);
Y
Yaniv Rosner 已提交
9112
	}
Y
Yaniv Rosner 已提交
9113 9114

	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9115 9116
		   rx_alarm_status);
	/* No need to check link status in case of module plugged in/out */
Y
Yaniv Rosner 已提交
9117 9118
}

Y
Yaniv Rosner 已提交
9119 9120 9121 9122
static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)

Y
Yaniv Rosner 已提交
9123 9124
{
	struct bnx2x *bp = params->bp;
9125
	u8 link_up = 0, oc_port = params->port;
Y
Yaniv Rosner 已提交
9126
	u16 link_status = 0;
Y
Yaniv Rosner 已提交
9127 9128 9129 9130
	u16 rx_alarm_status, lasi_ctrl, val1;

	/* If PHY is not initialized, do not check link status */
	bnx2x_cl45_read(bp, phy,
9131
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
Y
Yaniv Rosner 已提交
9132 9133 9134 9135
			&lasi_ctrl);
	if (!lasi_ctrl)
		return 0;

9136
	/* Check the LASI on Rx */
Y
Yaniv Rosner 已提交
9137
	bnx2x_cl45_read(bp, phy,
9138
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
Y
Yaniv Rosner 已提交
9139 9140 9141 9142
			&rx_alarm_status);
	vars->line_speed = 0;
	DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);

9143 9144
	bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
			     MDIO_PMA_LASI_TXCTRL);
9145

Y
Yaniv Rosner 已提交
9146
	bnx2x_cl45_read(bp, phy,
9147
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
9148 9149 9150 9151 9152 9153 9154

	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);

9155
	/* If a module is present and there is need to check
Y
Yaniv Rosner 已提交
9156 9157 9158 9159 9160 9161 9162 9163 9164
	 * 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) {
9165 9166
			if (!CHIP_IS_E1x(bp))
				oc_port = BP_PATH(bp) + (params->port << 1);
9167 9168 9169
			DP(NETIF_MSG_LINK,
			   "8727 Power fault has been detected on port %d\n",
			   oc_port);
Y
Yaniv Rosner 已提交
9170 9171 9172 9173 9174 9175 9176
			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",
9177
			 oc_port);
9178
			/* Disable all RX_ALARMs except for mod_abs */
Y
Yaniv Rosner 已提交
9179 9180
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
9181
					 MDIO_PMA_LASI_RXCTRL, (1<<5));
Y
Yaniv Rosner 已提交
9182 9183 9184 9185 9186 9187 9188 9189 9190 9191 9192 9193

			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,
9194
				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
Y
Yaniv Rosner 已提交
9195 9196 9197 9198 9199 9200 9201 9202 9203
			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,
9204
				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
Y
Yaniv Rosner 已提交
9205 9206
				 ((1<<5) | (1<<2)));
	}
9207 9208 9209 9210 9211

	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
9212 9213 9214 9215 9216 9217 9218 9219
		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);

9220
	/* Bits 0..2 --> speed detected,
9221 9222
	 * Bits 13..15--> link is down
	 */
Y
Yaniv Rosner 已提交
9223 9224 9225
	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
		link_up = 1;
		vars->line_speed = SPEED_10000;
9226 9227
		DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
			   params->port);
Y
Yaniv Rosner 已提交
9228 9229 9230 9231 9232 9233 9234 9235 9236 9237
	} 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);
	}
9238 9239 9240 9241

	/* Capture 10G link fault. */
	if (vars->line_speed == SPEED_10000) {
		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9242
			    MDIO_PMA_LASI_TXSTAT, &val1);
9243 9244

		bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9245
			    MDIO_PMA_LASI_TXSTAT, &val1);
9246 9247 9248 9249 9250 9251

		if (val1 & (1<<0)) {
			vars->fault_detected = 1;
		}
	}

9252
	if (link_up) {
Y
Yaniv Rosner 已提交
9253
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
9254 9255 9256
		vars->duplex = DUPLEX_FULL;
		DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
	}
Y
Yaniv Rosner 已提交
9257 9258 9259 9260 9261 9262

	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);
9263
		/* In case of dual-media board and 1G, power up the XAUI side,
Y
Yaniv Rosner 已提交
9264 9265 9266 9267 9268 9269 9270 9271 9272 9273
		 * 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
9274
	return link_up;
Y
Yaniv Rosner 已提交
9275
}
Y
Yaniv Rosner 已提交
9276

Y
Yaniv Rosner 已提交
9277 9278
static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
				  struct link_params *params)
Y
Yaniv Rosner 已提交
9279 9280
{
	struct bnx2x *bp = params->bp;
9281 9282 9283 9284

	/* Enable/Disable PHY transmitter output */
	bnx2x_set_disable_pmd_transmit(params, phy, 1);

Y
Yaniv Rosner 已提交
9285
	/* Disable Transmitter */
9286
	bnx2x_sfp_set_transmitter(params, phy, 0);
Y
Yaniv Rosner 已提交
9287
	/* Clear LASI */
9288
	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
Y
Yaniv Rosner 已提交
9289

Y
Yaniv Rosner 已提交
9290
}
9291

Y
Yaniv Rosner 已提交
9292 9293 9294 9295
/******************************************************************/
/*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
/******************************************************************/
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9296 9297
					    struct bnx2x *bp,
					    u8 port)
Y
Yaniv Rosner 已提交
9298
{
Y
Yaniv Rosner 已提交
9299
	u16 val, fw_ver1, fw_ver2, cnt;
Y
Yaniv Rosner 已提交
9300

9301 9302
	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9303
		bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9304 9305 9306 9307 9308 9309 9310 9311 9312 9313 9314 9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326
				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;
		}
9327

Y
Yaniv Rosner 已提交
9328

9329 9330 9331 9332 9333 9334 9335 9336 9337 9338 9339 9340 9341 9342 9343 9344 9345
		/* 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
9346

9347 9348 9349 9350
		/* 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
9351

9352
		bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
Y
Yaniv Rosner 已提交
9353
					  phy->ver_addr);
Y
Yaniv Rosner 已提交
9354 9355
	}

Y
Yaniv Rosner 已提交
9356 9357 9358
}
static void bnx2x_848xx_set_led(struct bnx2x *bp,
				struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
9359
{
9360
	u16 val, offset;
Y
Yaniv Rosner 已提交
9361

Y
Yaniv Rosner 已提交
9362 9363 9364
	/* PHYC_CTL_LED_CTL */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9365
			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
Y
Yaniv Rosner 已提交
9366 9367
	val &= 0xFE00;
	val |= 0x0092;
9368

Y
Yaniv Rosner 已提交
9369 9370
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9371
			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
Y
Yaniv Rosner 已提交
9372

Y
Yaniv Rosner 已提交
9373 9374
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9375
			 MDIO_PMA_REG_8481_LED1_MASK,
Y
Yaniv Rosner 已提交
9376
			 0x80);
Y
Yaniv Rosner 已提交
9377

Y
Yaniv Rosner 已提交
9378 9379
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9380
			 MDIO_PMA_REG_8481_LED2_MASK,
Y
Yaniv Rosner 已提交
9381
			 0x18);
Y
Yaniv Rosner 已提交
9382

Y
Yaniv Rosner 已提交
9383
	/* Select activity source by Tx and Rx, as suggested by PHY AE */
Y
Yaniv Rosner 已提交
9384 9385
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD,
Y
Yaniv Rosner 已提交
9386
			 MDIO_PMA_REG_8481_LED3_MASK,
Y
Yaniv Rosner 已提交
9387 9388 9389 9390 9391
			 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
9392
			MDIO_PMA_REG_8481_LED3_BLINK,
Y
Yaniv Rosner 已提交
9393 9394
			0);

9395 9396
	/* Configure the blink rate to ~15.9 Hz */
	bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
9397
			MDIO_PMA_DEVAD,
9398 9399
			MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
Y
Yaniv Rosner 已提交
9400

9401 9402 9403 9404 9405 9406 9407 9408
	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
9409
	bnx2x_cl45_write(bp, phy,
9410
			 MDIO_PMA_DEVAD, offset, val);
Y
Yaniv Rosner 已提交
9411

Y
Yaniv Rosner 已提交
9412 9413 9414 9415
	/* 'Interrupt Mask' */
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD,
			 0xFFFB, 0xFFFD);
Y
Yaniv Rosner 已提交
9416 9417
}

Y
Yaniv Rosner 已提交
9418 9419 9420 9421 9422 9423 9424 9425 9426 9427 9428 9429 9430 9431 9432 9433 9434 9435 9436 9437 9438 9439 9440
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
9441 9442 9443
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
9444
{
9445
	struct bnx2x *bp = params->bp;
9446
	u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
Y
Yaniv Rosner 已提交
9447

Y
Yaniv Rosner 已提交
9448
	bnx2x_848xx_specific_func(phy, params, PHY_INIT);
Y
Yaniv Rosner 已提交
9449 9450
	bnx2x_cl45_write(bp, phy,
			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
Y
Yaniv Rosner 已提交
9451

Y
Yaniv Rosner 已提交
9452 9453 9454 9455
	/* set 1000 speed advertisement */
	bnx2x_cl45_read(bp, phy,
			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			&an_1000_val);
9456

Y
Yaniv Rosner 已提交
9457 9458 9459 9460 9461 9462 9463 9464 9465 9466 9467
	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
9468

Y
Yaniv Rosner 已提交
9469 9470 9471 9472 9473 9474 9475 9476 9477 9478 9479
	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
9480

Y
Yaniv Rosner 已提交
9481 9482 9483
	bnx2x_cl45_write(bp, phy,
			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
			 an_1000_val);
Y
Yaniv Rosner 已提交
9484

9485
	/* set 100 speed advertisement */
9486
	if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
Y
Yaniv Rosner 已提交
9487
	     (phy->speed_cap_mask &
9488
	      (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
9489
	       PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
Y
Yaniv Rosner 已提交
9490 9491 9492
		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
9493

Y
Yaniv Rosner 已提交
9494 9495 9496 9497 9498 9499
		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) &&
9500 9501 9502 9503 9504 9505
	     (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
9506 9507 9508 9509 9510 9511
		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
9512

Y
Yaniv Rosner 已提交
9513
	/* Only 10/100 are allowed to work in FORCE mode */
9514 9515 9516 9517
	if ((phy->req_line_speed == SPEED_100) &&
	    (phy->supported &
	     (SUPPORTED_100baseT_Half |
	      SUPPORTED_100baseT_Full))) {
Y
Yaniv Rosner 已提交
9518 9519 9520 9521 9522
		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));
9523 9524
		/* The PHY needs this set even for forced link. */
		an_10_100_val |= (1<<8) | (1<<7);
Y
Yaniv Rosner 已提交
9525 9526
		DP(NETIF_MSG_LINK, "Setting 100M force\n");
	}
9527 9528 9529 9530
	if ((phy->req_line_speed == SPEED_10) &&
	    (phy->supported &
	     (SUPPORTED_10baseT_Half |
	      SUPPORTED_10baseT_Full))) {
Y
Yaniv Rosner 已提交
9531 9532 9533 9534 9535 9536
		/* 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
9537

Y
Yaniv Rosner 已提交
9538 9539 9540
	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
9541

Y
Yaniv Rosner 已提交
9542 9543
	if (phy->req_duplex == DUPLEX_FULL)
		autoneg_val |= (1<<8);
Y
Yaniv Rosner 已提交
9544

9545
	/* Always write this if this is not 84833.
Y
Yaniv Rosner 已提交
9546 9547 9548 9549 9550
	 * 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
9551 9552
			 MDIO_AN_DEVAD,
			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
Y
Yaniv Rosner 已提交
9553

Y
Yaniv Rosner 已提交
9554 9555 9556 9557
	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)) {
9558 9559
			DP(NETIF_MSG_LINK, "Advertising 10G\n");
			/* Restart autoneg for 10G*/
Y
Yaniv Rosner 已提交
9560

9561 9562 9563 9564
			bnx2x_cl45_read(bp, phy,
					MDIO_AN_DEVAD,
					MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
					&an_10g_val);
9565
			bnx2x_cl45_write(bp, phy,
9566 9567 9568 9569 9570 9571
					 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
9572
	} else
Y
Yaniv Rosner 已提交
9573 9574 9575 9576
		bnx2x_cl45_write(bp, phy,
				 MDIO_AN_DEVAD,
				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
				 1);
Y
Yaniv Rosner 已提交
9577

Y
Yaniv Rosner 已提交
9578
	return 0;
Y
Yaniv Rosner 已提交
9579 9580
}

Y
Yaniv Rosner 已提交
9581 9582 9583
static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
9584 9585
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9586 9587
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
9588
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
9589

Y
Yaniv Rosner 已提交
9590 9591
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
9592
	bnx2x_wait_reset_complete(bp, phy, params);
9593

Y
Yaniv Rosner 已提交
9594 9595 9596
	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
9597

9598 9599 9600
#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
9601
				   struct link_params *params,
9602
		   u16 fw_cmd,
Y
Yuval Mintz 已提交
9603
		   u16 cmd_args[], int argc)
Y
Yaniv Rosner 已提交
9604
{
Y
Yuval Mintz 已提交
9605
	int idx;
Y
Yaniv Rosner 已提交
9606 9607 9608 9609
	u16 val;
	struct bnx2x *bp = params->bp;
	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9610 9611 9612
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9613
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9614 9615
				MDIO_84833_CMD_HDLR_STATUS, &val);
		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
Y
Yaniv Rosner 已提交
9616
			break;
Y
Yuval Mintz 已提交
9617
		 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
9618
	}
9619 9620
	if (idx >= PHY84833_CMDHDLR_WAIT) {
		DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
Y
Yaniv Rosner 已提交
9621 9622 9623
		return -EINVAL;
	}

9624
	/* Prepare argument(s) and issue command */
Y
Yuval Mintz 已提交
9625
	for (idx = 0; idx < argc; idx++) {
9626 9627 9628 9629
		bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
				MDIO_84833_CMD_HDLR_DATA1 + idx,
				cmd_args[idx]);
	}
Y
Yaniv Rosner 已提交
9630
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9631 9632
			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
Y
Yaniv Rosner 已提交
9633
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9634 9635 9636
				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
9637
			break;
Y
Yuval Mintz 已提交
9638
		 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
9639
	}
9640 9641 9642
	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
9643 9644
		return -EINVAL;
	}
9645
	/* Gather returning data */
Y
Yuval Mintz 已提交
9646
	for (idx = 0; idx < argc; idx++) {
9647 9648 9649 9650
		bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
				MDIO_84833_CMD_HDLR_DATA1 + idx,
				&cmd_args[idx]);
	}
Y
Yaniv Rosner 已提交
9651
	bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9652 9653
			MDIO_84833_CMD_HDLR_STATUS,
			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
Y
Yaniv Rosner 已提交
9654 9655 9656
	return 0;
}

9657

9658 9659 9660 9661 9662 9663 9664 9665 9666 9667 9668 9669 9670 9671 9672 9673 9674 9675 9676 9677 9678 9679
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
9680
		PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9681 9682 9683 9684 9685 9686
	if (status == 0)
		DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);

	return status;
}

9687 9688 9689
static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
				      u32 shmem_base_path[],
				      u32 chip_id)
9690 9691 9692 9693 9694 9695 9696 9697 9698 9699 9700 9701 9702 9703 9704 9705 9706 9707 9708 9709 9710 9711 9712 9713 9714 9715 9716 9717 9718 9719 9720 9721
{
	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]);
	}

9722 9723 9724 9725 9726 9727 9728 9729 9730 9731 9732 9733 9734
	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];
9735 9736 9737 9738 9739 9740 9741 9742 9743

	/* 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);

9744 9745 9746 9747 9748 9749 9750 9751 9752 9753 9754 9755 9756 9757
	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
9758 9759 9760 9761 9762 9763 9764 9765 9766 9767 9768 9769 9770
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
9771
	if (rc) {
Y
Yuval Mintz 已提交
9772 9773 9774 9775
		DP(NETIF_MSG_LINK, "EEE disable failed.\n");
		return rc;
	}

Y
Yuval Mintz 已提交
9776
	return bnx2x_eee_disable(phy, params, vars);
Y
Yuval Mintz 已提交
9777 9778 9779 9780 9781 9782 9783 9784 9785 9786 9787 9788
}

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
9789
	if (rc) {
Y
Yuval Mintz 已提交
9790 9791 9792 9793
		DP(NETIF_MSG_LINK, "EEE enable failed.\n");
		return rc;
	}

Y
Yuval Mintz 已提交
9794
	return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
Y
Yuval Mintz 已提交
9795 9796
}

Y
Yaniv Rosner 已提交
9797
#define PHY84833_CONSTANT_LATENCY 1193
Y
Yaniv Rosner 已提交
9798 9799 9800
static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
				   struct link_params *params,
				   struct link_vars *vars)
Y
Yaniv Rosner 已提交
9801 9802
{
	struct bnx2x *bp = params->bp;
9803
	u8 port, initialize = 1;
Y
Yaniv Rosner 已提交
9804
	u16 val;
9805 9806
	u32 actual_phy_selection, cms_enable;
	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
Y
Yaniv Rosner 已提交
9807
	int rc = 0;
9808

Y
Yuval Mintz 已提交
9809
	 usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
9810

9811
	if (!(CHIP_IS_E1x(bp)))
9812 9813 9814
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
9815 9816 9817 9818 9819 9820

	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 {
9821
		/* MDIO reset */
Y
Yaniv Rosner 已提交
9822 9823 9824
		bnx2x_cl45_write(bp, phy,
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, 0x8000);
9825 9826 9827 9828 9829 9830
	}

	bnx2x_wait_reset_complete(bp, phy, params);

	/* Wait for GPHY to come out of reset */
	msleep(50);
9831
	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
9832
		/* BCM84823 requires that XGXS links up first @ 10G for normal
9833 9834 9835 9836 9837 9838 9839 9840 9841
		 * 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
9842 9843

	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
Y
Yaniv Rosner 已提交
9844
			MDIO_CTL_REG_84823_MEDIA, &val);
Y
Yaniv Rosner 已提交
9845 9846 9847 9848 9849
	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);
9850 9851 9852 9853 9854 9855 9856 9857

	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
9858 9859 9860 9861 9862

	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
9863
		/* Do nothing. Essentially this is like the priority copper */
Y
Yaniv Rosner 已提交
9864 9865 9866 9867 9868 9869 9870 9871 9872 9873 9874 9875 9876 9877 9878 9879 9880 9881 9882
		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
9883
			 MDIO_CTL_REG_84823_MEDIA, val);
Y
Yaniv Rosner 已提交
9884 9885 9886
	DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
		   params->multi_phy_config, val);

9887 9888
	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
9889

9890 9891
		/* Keep AutogrEEEn disabled. */
		cmd_args[0] = 0x0;
9892 9893 9894 9895
		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
9896 9897
			PHY84833_CMD_SET_EEE_MODE, cmd_args,
			PHY84833_CMDHDLR_MAX_ARGS);
Y
Yuval Mintz 已提交
9898
		if (rc)
9899 9900
			DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
	}
Y
Yaniv Rosner 已提交
9901 9902 9903
	if (initialize)
		rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
	else
9904
		bnx2x_save_848xx_spirom_version(phy, bp, params->port);
Y
Yaniv Rosner 已提交
9905 9906 9907
	/* 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 +
9908 9909 9910 9911
			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
9912 9913 9914 9915 9916 9917 9918 9919 9920
		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);
	}
9921

Y
Yuval Mintz 已提交
9922 9923 9924 9925
	bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
			MDIO_84833_TOP_CFG_FW_REV, &val);

	/* Configure EEE support */
9926 9927 9928
	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
9929
		rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
Y
Yuval Mintz 已提交
9930
		if (rc) {
Y
Yuval Mintz 已提交
9931 9932 9933 9934 9935 9936 9937 9938 9939 9940 9941 9942
			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
9943
		if (rc) {
Y
Yuval Mintz 已提交
9944 9945 9946 9947 9948 9949 9950
			DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
			return rc;
		}
	} else {
		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
	}

9951 9952 9953 9954 9955 9956 9957 9958 9959 9960
	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
9961
	return rc;
Y
Yaniv Rosner 已提交
9962
}
Y
Yaniv Rosner 已提交
9963

Y
Yaniv Rosner 已提交
9964
static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
9965 9966
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
9967 9968
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
9969
	u16 val, val1, val2;
Y
Yaniv Rosner 已提交
9970
	u8 link_up = 0;
Y
Yaniv Rosner 已提交
9971

9972

Y
Yaniv Rosner 已提交
9973 9974 9975 9976 9977
	/* 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
9978
			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
Y
Yaniv Rosner 已提交
9979 9980
			&val2);
	DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Y
Yaniv Rosner 已提交
9981

Y
Yaniv Rosner 已提交
9982 9983
	/* Check link 10G */
	if (val2 & (1<<11)) {
Y
Yaniv Rosner 已提交
9984
		vars->line_speed = SPEED_10000;
9985
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
9986 9987 9988 9989
		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
9990

Y
Yaniv Rosner 已提交
9991 9992 9993 9994
		/* 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
9995

Y
Yaniv Rosner 已提交
9996 9997 9998 9999 10000
		/* 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
10001

10002 10003
		DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
		   legacy_status);
Y
Yaniv Rosner 已提交
10004
		link_up = ((legacy_status & (1<<11)) == (1<<11));
10005 10006 10007 10008 10009 10010 10011 10012 10013 10014 10015
		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
10016

10017
		if (link_up) {
Y
Yaniv Rosner 已提交
10018 10019 10020 10021
			if (legacy_status & (1<<8))
				vars->duplex = DUPLEX_FULL;
			else
				vars->duplex = DUPLEX_HALF;
Y
Yaniv Rosner 已提交
10022

10023 10024 10025 10026
			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
10027 10028 10029 10030 10031 10032 10033 10034 10035 10036 10037 10038 10039 10040 10041
			/* 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
10042 10043
		}
	}
Y
Yaniv Rosner 已提交
10044
	if (link_up) {
Y
Yuval Mintz 已提交
10045
		DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
Y
Yaniv Rosner 已提交
10046 10047
			   vars->line_speed);
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
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 10074 10075 10076 10077 10078 10079 10080 10081 10082 10083

		/* 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
10084 10085

		/* Determine if EEE was negotiated */
Y
Yuval Mintz 已提交
10086 10087
		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
			bnx2x_eee_an_resolve(phy, params, vars);
Y
Yaniv Rosner 已提交
10088
	}
E
Eilon Greenstein 已提交
10089

Y
Yaniv Rosner 已提交
10090
	return link_up;
Y
Yaniv Rosner 已提交
10091 10092
}

Y
Yaniv Rosner 已提交
10093 10094

static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10095
{
Y
Yaniv Rosner 已提交
10096
	int status = 0;
Y
Yaniv Rosner 已提交
10097 10098 10099 10100
	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
10101
}
Y
Yaniv Rosner 已提交
10102 10103 10104

static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
				struct link_params *params)
Y
Yaniv Rosner 已提交
10105
{
Y
Yaniv Rosner 已提交
10106
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10107
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
Y
Yaniv Rosner 已提交
10108
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10109
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
Y
Yaniv Rosner 已提交
10110
}
Y
Yaniv Rosner 已提交
10111

Y
Yaniv Rosner 已提交
10112 10113 10114 10115 10116 10117 10118 10119 10120 10121 10122 10123 10124
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;
10125
	u8 port;
10126
	u16 val16;
Y
Yaniv Rosner 已提交
10127

10128
	if (!(CHIP_IS_E1x(bp)))
10129 10130 10131
		port = BP_PATH(bp);
	else
		port = params->port;
Y
Yaniv Rosner 已提交
10132 10133 10134 10135 10136 10137

	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 {
10138 10139
		bnx2x_cl45_read(bp, phy,
				MDIO_CTL_DEVAD,
10140 10141
				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
		val16 |= MDIO_84833_SUPER_ISOLATE;
Y
Yaniv Rosner 已提交
10142
		bnx2x_cl45_write(bp, phy,
10143 10144
				 MDIO_CTL_DEVAD,
				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
Y
Yaniv Rosner 已提交
10145
	}
Y
Yaniv Rosner 已提交
10146 10147
}

10148 10149 10150 10151 10152
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
10153 10154
	u8 port;

10155
	if (!(CHIP_IS_E1x(bp)))
Y
Yaniv Rosner 已提交
10156 10157 10158
		port = BP_PATH(bp);
	else
		port = params->port;
10159 10160 10161 10162

	switch (mode) {
	case LED_MODE_OFF:

Y
Yaniv Rosner 已提交
10163
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
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 10189 10190 10191 10192 10193 10194 10195 10196 10197 10198

		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
10199
		   port);
10200 10201 10202 10203 10204 10205

		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
10206 10207 10208
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_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_LED2_MASK,
					 0x0);
10214 10215

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10216 10217 10218
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x0);
10219 10220

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10221 10222 10223
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x20);
10224 10225 10226 10227 10228 10229 10230 10231 10232 10233

		} 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
10234
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10235 10236 10237 10238 10239 10240 10241 10242 10243 10244 10245 10246

		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
10247 10248 10249
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LINK_SIGNAL,
					 val);
10250 10251 10252

			/* Set LED masks */
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10253 10254 10255
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x0);
10256 10257

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10258 10259 10260
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x20);
10261 10262

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10263 10264 10265
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x20);
10266 10267

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10268 10269 10270
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x0);
10271 10272
		} else {
			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10273 10274 10275
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x20);
10276 10277 10278 10279 10280
		}
		break;

	case LED_MODE_OPER:

Y
Yaniv Rosner 已提交
10281
		DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10282 10283 10284 10285 10286 10287 10288 10289 10290 10291 10292

		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
10293 10294
			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10295
				DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10296 10297 10298 10299 10300 10301 10302 10303
				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
10304 10305 10306
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x10);
10307 10308

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10309 10310 10311
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED2_MASK,
					 0x80);
10312 10313

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10314 10315 10316
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED3_MASK,
					 0x98);
10317 10318

			bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10319 10320 10321
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED5_MASK,
					 0x40);
10322 10323 10324 10325 10326 10327

		} else {
			bnx2x_cl45_write(bp, phy,
					 MDIO_PMA_DEVAD,
					 MDIO_PMA_REG_8481_LED1_MASK,
					 0x80);
10328 10329 10330 10331 10332 10333 10334 10335 10336 10337 10338 10339

			/* 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);
10340 10341 10342
		}
		break;
	}
10343

10344
	/* This is a workaround for E3+84833 until autoneg
10345 10346 10347 10348 10349 10350
	 * 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);
	}
10351
}
10352

Y
Yaniv Rosner 已提交
10353
/******************************************************************/
10354
/*			54618SE PHY SECTION			  */
Y
Yaniv Rosner 已提交
10355
/******************************************************************/
Y
Yaniv Rosner 已提交
10356 10357 10358 10359 10360 10361 10362 10363 10364 10365 10366 10367 10368 10369 10370 10371 10372 10373 10374 10375 10376 10377 10378 10379 10380 10381 10382 10383 10384
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;
	}
}

10385
static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
10386 10387 10388 10389 10390 10391 10392 10393
					       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;

10394
	DP(NETIF_MSG_LINK, "54618SE cfg init\n");
Y
Yuval Mintz 已提交
10395
	usleep_range(1000, 2000);
Y
Yaniv Rosner 已提交
10396

10397
	/* This works with E3 only, no need to check the chip
Y
Yaniv Rosner 已提交
10398 10399
	 * before determining the port.
	 */
Y
Yaniv Rosner 已提交
10400 10401 10402 10403 10404 10405 10406 10407 10408 10409 10410 10411 10412 10413 10414 10415 10416 10417 10418
	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);

10419
	/* Wait for GPHY to reset */
Y
Yaniv Rosner 已提交
10420 10421 10422
	msleep(50);


Y
Yaniv Rosner 已提交
10423
	bnx2x_54618se_specific_func(phy, params, PHY_INIT);
Y
Yaniv Rosner 已提交
10424 10425 10426 10427 10428 10429 10430 10431 10432 10433 10434 10435 10436 10437 10438 10439 10440 10441 10442 10443 10444 10445 10446 10447
	/* 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
10448
	/* Read all advertisement */
Y
Yaniv Rosner 已提交
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 10475 10476 10477 10478 10479 10480 10481 10482 10483 10484
	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
10485
	/* Set 100 speed advertisement */
Y
Yaniv Rosner 已提交
10486 10487 10488 10489 10490 10491 10492 10493 10494 10495 10496 10497 10498
	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
10499
	/* Set 10 speed advertisement */
Y
Yaniv Rosner 已提交
10500 10501 10502 10503 10504 10505 10506 10507 10508 10509 10510 10511 10512 10513 10514 10515 10516 10517 10518 10519 10520 10521 10522 10523 10524 10525 10526 10527
	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");
	}

10528 10529 10530 10531 10532 10533 10534 10535 10536 10537 10538 10539 10540 10541 10542 10543 10544 10545 10546 10547 10548 10549 10550 10551 10552
	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
10553
		} else {
10554 10555 10556 10557 10558 10559 10560 10561 10562 10563 10564 10565 10566 10567 10568 10569 10570 10571 10572
			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
10573 10574 10575
		}
	}

Y
Yaniv Rosner 已提交
10576 10577 10578 10579 10580 10581 10582 10583 10584 10585 10586 10587 10588
	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
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 10616 10617 10618 10619 10620 10621 10622 10623 10624 10625

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;
}


10626 10627
static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
				     struct link_params *params)
Y
Yaniv Rosner 已提交
10628 10629 10630 10631 10632
{
	struct bnx2x *bp = params->bp;
	u32 cfg_pin;
	u8 port;

10633
	/* In case of no EPIO routed to reset the GPHY, put it
10634 10635 10636
	 * in low power mode.
	 */
	bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10637
	/* This works with E3 only, no need to check the chip
10638 10639
	 * before determining the port.
	 */
Y
Yaniv Rosner 已提交
10640 10641 10642 10643 10644 10645 10646 10647 10648 10649 10650
	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);
}

10651 10652 10653
static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
				    struct link_params *params,
				    struct link_vars *vars)
Y
Yaniv Rosner 已提交
10654 10655 10656 10657 10658 10659 10660 10661
{
	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,
10662
			MDIO_REG_GPHY_AUX_STATUS,
Y
Yaniv Rosner 已提交
10663
			&legacy_status);
10664
	DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
Y
Yaniv Rosner 已提交
10665 10666 10667 10668 10669 10670 10671 10672 10673 10674 10675 10676 10677 10678 10679 10680 10681 10682 10683 10684 10685 10686 10687 10688 10689 10690 10691 10692 10693 10694 10695 10696 10697

	/* 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;

10698 10699 10700 10701
		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
10702 10703 10704 10705 10706 10707 10708 10709 10710 10711 10712 10713 10714 10715 10716

		/* 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;

10717
		DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
Y
Yaniv Rosner 已提交
10718
			   vars->line_speed);
10719

Y
Yaniv Rosner 已提交
10720
		bnx2x_ext_phy_resolve_fc(phy, params, vars);
10721 10722

		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
10723
			/* Report LP advertised speeds */
10724 10725 10726 10727 10728 10729 10730 10731 10732 10733 10734 10735 10736 10737 10738 10739 10740 10741 10742 10743 10744 10745 10746 10747 10748
			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;
10749 10750 10751 10752

			if ((phy->flags & FLAGS_EEE) &&
			    bnx2x_eee_has_cap(params))
				bnx2x_eee_an_resolve(phy, params, vars);
10753
		}
Y
Yaniv Rosner 已提交
10754 10755 10756 10757
	}
	return link_up;
}

10758 10759
static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
					  struct link_params *params)
Y
Yaniv Rosner 已提交
10760 10761 10762 10763 10764
{
	struct bnx2x *bp = params->bp;
	u16 val;
	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;

10765
	DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
Y
Yaniv Rosner 已提交
10766 10767 10768 10769 10770 10771 10772 10773 10774 10775 10776 10777 10778 10779 10780 10781 10782 10783 10784 10785 10786 10787 10788 10789 10790 10791

	/* 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);

10792
	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
Y
Yaniv Rosner 已提交
10793 10794 10795 10796 10797
	 * 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
10798 10799 10800 10801 10802
/******************************************************************/
/*			SFX7101 PHY SECTION			  */
/******************************************************************/
static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
				       struct link_params *params)
Y
Yaniv Rosner 已提交
10803 10804
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10805 10806 10807
	/* SFX7101_XGXS_TEST1 */
	bnx2x_cl45_write(bp, phy,
			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
E
Eilon Greenstein 已提交
10808 10809
}

Y
Yaniv Rosner 已提交
10810 10811 10812
static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
				  struct link_params *params,
				  struct link_vars *vars)
Y
Yaniv Rosner 已提交
10813
{
Y
Yaniv Rosner 已提交
10814
	u16 fw_ver1, fw_ver2, val;
Y
Yaniv Rosner 已提交
10815
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10816
	DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
Y
Yaniv Rosner 已提交
10817

Y
Yaniv Rosner 已提交
10818 10819
	/* Restore normal power mode*/
	bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
10820
		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
Y
Yaniv Rosner 已提交
10821 10822
	/* HW reset */
	bnx2x_ext_phy_hw_reset(bp, params->port);
10823
	bnx2x_wait_reset_complete(bp, phy, params);
Y
Yaniv Rosner 已提交
10824

Y
Yaniv Rosner 已提交
10825
	bnx2x_cl45_write(bp, phy,
10826
			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
Y
Yaniv Rosner 已提交
10827 10828 10829
	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
10830

Y
Yaniv Rosner 已提交
10831 10832 10833 10834 10835 10836 10837
	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
10838

Y
Yaniv Rosner 已提交
10839 10840 10841
	/* Save spirom version */
	bnx2x_cl45_read(bp, phy,
			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
Y
Yaniv Rosner 已提交
10842

Y
Yaniv Rosner 已提交
10843 10844 10845 10846 10847 10848
	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
10849

Y
Yaniv Rosner 已提交
10850 10851 10852
static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
				 struct link_params *params,
				 struct link_vars *vars)
10853 10854
{
	struct bnx2x *bp = params->bp;
Y
Yaniv Rosner 已提交
10855 10856 10857
	u8 link_up;
	u16 val1, val2;
	bnx2x_cl45_read(bp, phy,
10858
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
Y
Yaniv Rosner 已提交
10859
	bnx2x_cl45_read(bp, phy,
10860
			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
Y
Yaniv Rosner 已提交
10861 10862 10863 10864 10865 10866 10867 10868 10869
	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
10870
	/* If link is up print the AN outcome of the SFX7101 PHY */
Y
Yaniv Rosner 已提交
10871 10872 10873 10874 10875
	if (link_up) {
		bnx2x_cl45_read(bp, phy,
				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
				&val2);
		vars->line_speed = SPEED_10000;
10876
		vars->duplex = DUPLEX_FULL;
Y
Yaniv Rosner 已提交
10877 10878 10879 10880
		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);
10881

Y
Yuval Mintz 已提交
10882
		/* Read LP advertised speeds */
10883 10884 10885
		if (val2 & (1<<11))
			vars->link_status |=
				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
Y
Yaniv Rosner 已提交
10886 10887 10888
	}
	return link_up;
}
E
Eilon Greenstein 已提交
10889

Y
Yaniv Rosner 已提交
10890
static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
Y
Yaniv Rosner 已提交
10891 10892 10893 10894 10895 10896 10897 10898 10899
{
	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;
10900 10901 10902
	return 0;
}

Y
Yaniv Rosner 已提交
10903
void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
10904
{
Y
Yaniv Rosner 已提交
10905
	u16 val, cnt;
10906

Y
Yaniv Rosner 已提交
10907
	bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10908 10909
			MDIO_PMA_DEVAD,
			MDIO_PMA_REG_7101_RESET, &val);
10910

Y
Yaniv Rosner 已提交
10911 10912 10913 10914
	for (cnt = 0; cnt < 10; cnt++) {
		msleep(50);
		/* Writes a self-clearing reset */
		bnx2x_cl45_write(bp, phy,
Y
Yaniv Rosner 已提交
10915 10916 10917
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_7101_RESET,
				 (val | (1<<15)));
Y
Yaniv Rosner 已提交
10918 10919
		/* Wait for clear */
		bnx2x_cl45_read(bp, phy,
Y
Yaniv Rosner 已提交
10920 10921
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_7101_RESET, &val);
10922

Y
Yaniv Rosner 已提交
10923 10924
		if ((val & (1<<15)) == 0)
			break;
10925 10926
	}
}
Y
Yaniv Rosner 已提交
10927

Y
Yaniv Rosner 已提交
10928 10929 10930 10931
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
10932
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10933 10934
	/* The PHY reset is controlled by GPIO 1 */
	bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
Y
Yaniv Rosner 已提交
10935
		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
Y
Yaniv Rosner 已提交
10936
}
Y
Yaniv Rosner 已提交
10937

10938 10939 10940 10941 10942 10943 10944 10945 10946 10947 10948 10949 10950 10951 10952 10953 10954 10955 10956 10957 10958 10959 10960
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
10961 10962 10963
/******************************************************************/
/*			STATIC PHY DECLARATION			  */
/******************************************************************/
Y
Yaniv Rosner 已提交
10964

Y
Yaniv Rosner 已提交
10965 10966 10967 10968
static struct bnx2x_phy phy_null = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
	.addr		= 0,
	.def_md_devad	= 0,
10969
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
Yaniv Rosner 已提交
10970 10971 10972 10973 10974 10975
	.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
10976 10977 10978
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
Yaniv Rosner 已提交
10979 10980 10981 10982 10983 10984 10985 10986
	.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
10987 10988
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
Yaniv Rosner 已提交
10989
};
Y
Yaniv Rosner 已提交
10990

Y
Yaniv Rosner 已提交
10991 10992 10993 10994
static struct bnx2x_phy phy_serdes = {
	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
10995
	.flags		= 0,
Y
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10996 10997 10998 10999 11000 11001 11002 11003 11004 11005 11006 11007 11008
	.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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11009
	.media_type	= ETH_PHY_BASE_T,
Y
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11010 11011
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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11012 11013
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11014 11015
	.req_duplex	= 0,
	.rsrv		= 0,
Y
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11016
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
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11017 11018 11019 11020 11021
	.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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11022 11023
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11024
};
Y
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11025 11026 11027 11028 11029

static struct bnx2x_phy phy_xgxs = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11030
	.flags		= 0,
Y
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11031 11032 11033 11034 11035 11036 11037 11038 11039 11040 11041 11042 11043 11044
	.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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11045
	.media_type	= ETH_PHY_CX4,
Y
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11046 11047
	.ver_addr	= 0,
	.req_flow_ctrl	= 0,
Y
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11048 11049
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11050 11051
	.req_duplex	= 0,
	.rsrv		= 0,
Y
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11052
	.config_init	= (config_init_t)bnx2x_xgxs_config_init,
Y
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11053 11054 11055 11056 11057
	.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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11058
	.set_link_led	= (set_link_led_t)NULL,
11059
	.phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
Y
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11060
};
11061 11062 11063 11064
static struct bnx2x_phy phy_warpcore = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
	.addr		= 0xff,
	.def_md_devad	= 0,
11065 11066
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
			   FLAGS_TX_ERROR_CHECK),
11067 11068 11069 11070
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
	.supported	= (SUPPORTED_10baseT_Half |
11071 11072 11073 11074 11075 11076 11077 11078 11079 11080 11081
			   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),
11082 11083 11084 11085 11086 11087 11088 11089 11090 11091 11092 11093
	.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,
11094
	.hw_reset	= (hw_reset_t)bnx2x_warpcore_hw_reset,
11095 11096 11097 11098
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
};

Y
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11099 11100 11101 11102 11103

static struct bnx2x_phy phy_7101 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
	.addr		= 0xff,
	.def_md_devad	= 0,
11104
	.flags		= FLAGS_FAN_FAILURE_DET_REQ,
Y
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11105 11106 11107 11108 11109 11110 11111 11112 11113 11114 11115
	.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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11116 11117
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11118 11119 11120 11121 11122 11123 11124 11125
	.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,
11126
	.set_link_led	= (set_link_led_t)bnx2x_7101_set_link_led,
Y
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11127
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11128 11129 11130 11131 11132
};
static struct bnx2x_phy phy_8073 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
	.addr		= 0xff,
	.def_md_devad	= 0,
11133
	.flags		= FLAGS_HW_LOCK_REQUIRED,
Y
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11134 11135 11136 11137 11138 11139 11140 11141 11142 11143
	.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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11144
	.media_type	= ETH_PHY_KR,
Y
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11145
	.ver_addr	= 0,
Y
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11146 11147 11148
	.req_flow_ctrl	= 0,
	.req_line_speed	= 0,
	.speed_cap_mask	= 0,
Y
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11149 11150
	.req_duplex	= 0,
	.rsrv		= 0,
11151
	.config_init	= (config_init_t)bnx2x_8073_config_init,
Y
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11152 11153 11154 11155 11156
	.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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11157
	.set_link_led	= (set_link_led_t)NULL,
Y
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11158
	.phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
Y
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11159 11160 11161 11162 11163
};
static struct bnx2x_phy phy_8705 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
	.addr		= 0xff,
	.def_md_devad	= 0,
11164
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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11165 11166 11167 11168 11169 11170 11171 11172 11173 11174 11175 11176 11177 11178 11179 11180 11181 11182 11183 11184
	.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
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11185 11186
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11187 11188 11189 11190 11191
};
static struct bnx2x_phy phy_8706 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
	.addr		= 0xff,
	.def_md_devad	= 0,
11192
	.flags		= FLAGS_INIT_XGXS_FIRST,
Y
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11193 11194 11195 11196 11197 11198 11199 11200
	.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
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11201
	.media_type	= ETH_PHY_SFPP_10G_FIBER,
Y
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11202 11203 11204 11205 11206 11207 11208 11209 11210 11211 11212 11213
	.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
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11214 11215
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11216 11217 11218 11219 11220
};

static struct bnx2x_phy phy_8726 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
	.addr		= 0xff,
11221
	.def_md_devad	= 0,
Y
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11222
	.flags		= (FLAGS_HW_LOCK_REQUIRED |
11223 11224
			   FLAGS_INIT_XGXS_FIRST |
			   FLAGS_TX_ERROR_CHECK),
Y
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11225 11226 11227 11228 11229 11230 11231 11232 11233
	.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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11234
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11235 11236 11237 11238 11239 11240 11241 11242 11243 11244 11245 11246
	.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
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11247 11248
	.set_link_led	= (set_link_led_t)NULL,
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11249 11250 11251 11252 11253 11254
};

static struct bnx2x_phy phy_8727 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
	.addr		= 0xff,
	.def_md_devad	= 0,
11255 11256
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_TX_ERROR_CHECK),
Y
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11257 11258 11259 11260 11261 11262 11263 11264
	.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
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11265
	.media_type	= ETH_PHY_NOT_PRESENT,
Y
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11266 11267 11268 11269 11270 11271 11272 11273 11274 11275 11276 11277
	.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,
11278
	.set_link_led	= (set_link_led_t)bnx2x_8727_set_link_led,
Y
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11279
	.phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Y
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11280 11281 11282 11283
};
static struct bnx2x_phy phy_8481 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
	.addr		= 0xff,
11284
	.def_md_devad	= 0,
Y
Yaniv Rosner 已提交
11285 11286
	.flags		= FLAGS_FAN_FAILURE_DET_REQ |
			  FLAGS_REARM_LATCH_SIGNAL,
Y
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11287 11288 11289 11290 11291 11292 11293 11294 11295 11296 11297 11298 11299 11300 11301 11302 11303 11304 11305 11306 11307 11308 11309 11310 11311 11312
	.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,
11313
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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11314
	.phy_specific_func = (phy_specific_func_t)NULL
Y
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11315 11316
};

Y
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11317 11318 11319
static struct bnx2x_phy phy_84823 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
	.addr		= 0xff,
11320
	.def_md_devad	= 0,
11321 11322 11323
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_REARM_LATCH_SIGNAL |
			   FLAGS_TX_ERROR_CHECK),
Y
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11324 11325 11326 11327 11328 11329 11330 11331 11332 11333 11334 11335 11336 11337 11338 11339 11340 11341 11342 11343 11344 11345 11346 11347 11348 11349
	.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,
11350
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
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11351
	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
Y
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11352 11353
};

11354 11355 11356
static struct bnx2x_phy phy_84833 = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
	.addr		= 0xff,
11357
	.def_md_devad	= 0,
11358 11359
	.flags		= (FLAGS_FAN_FAILURE_DET_REQ |
			   FLAGS_REARM_LATCH_SIGNAL |
11360
			   FLAGS_TX_ERROR_CHECK),
11361 11362 11363
	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
	.mdio_ctrl	= 0,
11364
	.supported	= (SUPPORTED_100baseT_Half |
11365 11366 11367 11368 11369 11370 11371 11372 11373 11374 11375 11376 11377 11378 11379 11380 11381 11382 11383
			   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,
11384
	.hw_reset	= (hw_reset_t)bnx2x_84833_hw_reset_phy,
11385
	.set_link_led	= (set_link_led_t)bnx2x_848xx_set_link_led,
Y
Yaniv Rosner 已提交
11386
	.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11387 11388
};

11389 11390
static struct bnx2x_phy phy_54618se = {
	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
Y
Yaniv Rosner 已提交
11391 11392 11393 11394 11395 11396 11397 11398 11399 11400 11401 11402 11403 11404 11405 11406 11407 11408 11409 11410 11411 11412
	.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,
11413 11414 11415 11416
	.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
11417 11418
	.format_fw_ver	= (format_fw_ver_t)NULL,
	.hw_reset	= (hw_reset_t)NULL,
Y
Yaniv Rosner 已提交
11419
	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
Y
Yaniv Rosner 已提交
11420
	.phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
Y
Yaniv Rosner 已提交
11421
};
Y
Yaniv Rosner 已提交
11422 11423 11424 11425 11426 11427 11428 11429 11430 11431 11432 11433 11434
/*****************************************************************/
/*                                                               */
/* 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++) {
11435 11436
		/* 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
11437 11438
		 * applies only to EXT_PHY1
		 */
Y
Yaniv Rosner 已提交
11439 11440 11441
		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
11442
			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Y
Yaniv Rosner 已提交
11443 11444 11445

			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11446
			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
Y
Yaniv Rosner 已提交
11447 11448 11449
		} else {
			rx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11450
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
Yaniv Rosner 已提交
11451

Y
Yaniv Rosner 已提交
11452 11453
			tx = REG_RD(bp, shmem_base +
				    offsetof(struct shmem_region,
Y
Yaniv Rosner 已提交
11454
			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Y
Yaniv Rosner 已提交
11455
		}
Y
Yaniv Rosner 已提交
11456 11457 11458 11459 11460 11461 11462 11463 11464 11465 11466 11467 11468 11469 11470 11471 11472 11473 11474

		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
11475 11476 11477 11478 11479
	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
11480 11481 11482 11483 11484 11485 11486
	default:
		DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
		return -EINVAL;
	}

	return ext_phy_config;
}
Y
Yaniv Rosner 已提交
11487 11488
static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
				  struct bnx2x_phy *phy)
Y
Yaniv Rosner 已提交
11489 11490 11491 11492 11493 11494 11495
{
	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);
11496 11497 11498
	chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
		((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);

11499 11500 11501
	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
11502
		phy_addr = REG_RD(bp,
11503 11504 11505 11506 11507 11508 11509 11510 11511 11512 11513
				  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);
11514
		/* Set the appropriate supported and flags indications per
11515 11516 11517 11518 11519 11520 11521 11522 11523 11524 11525 11526 11527 11528 11529 11530
		 * 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:
11531 11532 11533 11534 11535
			phy->supported &= (SUPPORTED_1000baseT_Full |
					   SUPPORTED_10000baseT_Full |
					   SUPPORTED_FIBRE |
					   SUPPORTED_Pause |
					   SUPPORTED_Asym_Pause);
11536 11537 11538 11539 11540 11541 11542 11543
			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
11544
			phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11545 11546 11547 11548 11549 11550 11551 11552 11553 11554 11555 11556 11557 11558 11559 11560 11561 11562 11563 11564 11565 11566 11567 11568 11569 11570 11571 11572 11573 11574 11575 11576
			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;
		}

11577
		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11578 11579 11580 11581 11582
		 * 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;
11583 11584
		else
			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11585 11586 11587 11588 11589 11590 11591 11592 11593 11594 11595 11596 11597 11598 11599 11600 11601 11602
	} 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
11603 11604 11605 11606 11607
	}
	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
11608 11609 11610 11611
	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
11612 11613 11614 11615 11616 11617 11618 11619

	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
11620 11621 11622 11623 11624 11625
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
11626 11627 11628 11629 11630 11631 11632 11633 11634 11635 11636 11637 11638 11639 11640 11641 11642 11643 11644 11645 11646 11647 11648 11649 11650 11651 11652 11653
{
	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
11654
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
Y
Yaniv Rosner 已提交
11655 11656 11657 11658 11659 11660 11661 11662 11663 11664
	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;
11665 11666 11667
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
		*phy = phy_84833;
		break;
Y
Yaniv Rosner 已提交
11668
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
11669 11670
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
		*phy = phy_54618se;
11671 11672
		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
			phy->flags |= FLAGS_EEE;
Y
Yaniv Rosner 已提交
11673
		break;
Y
Yaniv Rosner 已提交
11674 11675 11676 11677 11678 11679 11680 11681
	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
11682 11683 11684 11685
		/* 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
11686 11687 11688 11689 11690 11691
		return 0;
	}

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

11692
	/* The shmem address of the phy version is located on different
11693 11694 11695
	 * structures. In case this structure is too old, do not set
	 * the address
	 */
Y
Yaniv Rosner 已提交
11696 11697
	config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
					dev_info.shared_hw_config.config2));
Y
Yaniv Rosner 已提交
11698 11699 11700
	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
11701

Y
Yaniv Rosner 已提交
11702 11703 11704 11705
		/* 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
11706 11707
	} else {
		u32 size = REG_RD(bp, shmem2_base);
Y
Yaniv Rosner 已提交
11708

Y
Yaniv Rosner 已提交
11709 11710 11711 11712 11713 11714 11715 11716 11717 11718 11719 11720 11721
		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
11722 11723
	phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);

11724 11725
	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
	    (phy->ver_addr)) {
11726
		/* Remove 100Mb link supported for BCM84833 when phy fw
11727 11728 11729 11730 11731 11732 11733 11734 11735
		 * 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);
	}

11736
	/* In case mdc/mdio_access of the external phy is different than the
Y
Yaniv Rosner 已提交
11737 11738 11739 11740 11741 11742 11743 11744 11745 11746 11747 11748
	 * 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
11749 11750
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
11751
{
Y
Yaniv Rosner 已提交
11752
	int status = 0;
Y
Yaniv Rosner 已提交
11753 11754 11755
	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
11756
	status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
11757 11758 11759 11760 11761 11762
					port, phy);
	return status;
}

static void bnx2x_phy_def_cfg(struct link_params *params,
			      struct bnx2x_phy *phy,
Y
Yaniv Rosner 已提交
11763
			      u8 phy_index)
Y
Yaniv Rosner 已提交
11764 11765 11766 11767
{
	struct bnx2x *bp = params->bp;
	u32 link_config;
	/* Populate the default phy configuration for MF mode */
Y
Yaniv Rosner 已提交
11768 11769
	if (phy_index == EXT_PHY2) {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11770
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11771 11772
			port_feature_config[params->port].link_config2));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11773 11774
					     offsetof(struct shmem_region,
						      dev_info.
Y
Yaniv Rosner 已提交
11775 11776 11777
			port_hw_config[params->port].speed_capability_mask2));
	} else {
		link_config = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11778
				     offsetof(struct shmem_region, dev_info.
Y
Yaniv Rosner 已提交
11779 11780
				port_feature_config[params->port].link_config));
		phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
Y
Yaniv Rosner 已提交
11781 11782 11783
					     offsetof(struct shmem_region,
						      dev_info.
			port_hw_config[params->port].speed_capability_mask));
Y
Yaniv Rosner 已提交
11784
	}
11785 11786 11787
	DP(NETIF_MSG_LINK,
	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
	   phy_index, link_config, phy->speed_cap_mask);
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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 11819 11820 11821 11822 11823 11824 11825 11826 11827 11828 11829 11830 11831 11832 11833

	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
11834 11835 11836 11837 11838 11839 11840 11841 11842 11843 11844 11845 11846 11847 11848 11849 11850 11851 11852 11853 11854 11855 11856 11857 11858 11859 11860 11861 11862 11863 11864 11865 11866
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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11867
int bnx2x_phy_probe(struct link_params *params)
Y
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11868
{
Y
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11869
	u8 phy_index, actual_phy_idx;
Y
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11870
	u32 phy_config_swapped, sync_offset, media_types;
Y
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11871 11872 11873 11874
	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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11875 11876
	phy_config_swapped = params->multi_phy_config &
		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
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11877 11878 11879 11880

	for (phy_index = INT_PHY; phy_index < MAX_PHYS;
	      phy_index++) {
		actual_phy_idx = phy_index;
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11881 11882 11883 11884 11885 11886 11887 11888 11889
		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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11892
				       params->shmem2_base, params->port,
Y
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11893 11894 11895 11896 11897 11898 11899 11900 11901 11902 11903 11904 11905
				       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;

11906 11907 11908 11909
		if (params->feature_config_flags &
		    FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
			phy->flags &= ~FLAGS_TX_ERROR_CHECK;

Y
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11910 11911 11912 11913 11914
		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);

11915
		/* 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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11929
		bnx2x_phy_def_cfg(params, phy, phy_index);
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11930 11931 11932 11933 11934 11935 11936
		params->num_phys++;
	}

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

11937 11938
void bnx2x_init_bmac_loopback(struct link_params *params,
			      struct link_vars *vars)
Y
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11939 11940 11941 11942 11943 11944 11945
{
	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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11946

Y
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11947
		vars->phy_flags = PHY_XGXS_FLAG;
Y
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11948

Y
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11949
		bnx2x_xgxs_deassert(params);
Y
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11950

Y
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11951
		/* set bmac loopback */
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11952
		bnx2x_bmac_enable(params, vars, 1, 1);
Y
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11953

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11954
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
11955
}
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11956

11957 11958 11959 11960
void bnx2x_init_emac_loopback(struct link_params *params,
			      struct link_vars *vars)
{
	struct bnx2x *bp = params->bp;
Y
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11961 11962 11963 11964 11965
		vars->link_up = 1;
		vars->line_speed = SPEED_1000;
		vars->duplex = DUPLEX_FULL;
		vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
		vars->mac_type = MAC_TYPE_EMAC;
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11966

Y
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11967
		vars->phy_flags = PHY_XGXS_FLAG;
Y
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11968

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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);
11974
}
Y
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11976 11977 11978 11979 11980 11981 11982 11983 11984 11985 11986 11987 11988
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;
11989
	/* Set WC to loopback mode since link is required to provide clock
11990 11991
	 * to the XMAC in 20G mode
	 */
Y
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11992 11993 11994
	bnx2x_set_aer_mmd(params, &params->phy[0]);
	bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
	params->phy[INT_PHY].config_loopback(
11995 11996
			&params->phy[INT_PHY],
			params);
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11998 11999 12000 12001 12002 12003 12004 12005 12006 12007 12008 12009 12010 12011 12012 12013 12014 12015 12016
	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);
}

12017 12018 12019 12020
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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12023
		vars->duplex = DUPLEX_FULL;
12024
	if (params->req_line_speed[0] == SPEED_1000)
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			vars->line_speed = SPEED_1000;
12026
	else
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12027
			vars->line_speed = SPEED_10000;
12028

12029 12030
	if (!USES_WARPCORE(bp))
		bnx2x_xgxs_deassert(params);
12031 12032 12033
	bnx2x_link_initialize(params, vars);

	if (params->req_line_speed[0] == SPEED_1000) {
12034 12035 12036 12037 12038 12039 12040 12041 12042 12043
		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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12044
			bnx2x_bmac_enable(params, vars, 0, 1);
12045
	}
12046

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12047 12048 12049 12050 12051
		if (params->loopback_mode == LOOPBACK_XGXS) {
			/* set 10G XGXS loopback */
			params->phy[INT_PHY].config_loopback(
				&params->phy[INT_PHY],
				params);
12052

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12053 12054 12055 12056 12057 12058 12059 12060 12061 12062 12063
		} 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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12064
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
Y
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12065

12066 12067 12068
	bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
}

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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 12206 12207 12208 12209 12210 12211 12212 12213 12214 12215 12216 12217 12218 12219 12220
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 */
}

12221 12222
int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
Y
Yaniv Rosner 已提交
12223
	int lfa_status;
12224 12225 12226 12227 12228 12229 12230 12231 12232 12233 12234 12235 12236 12237
	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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12238 12239 12240 12241 12242 12243 12244 12245 12246 12247 12248 12249 12250
	/* 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);
12251

Y
Yuval Mintz 已提交
12252
	/* Disable attentions */
12253 12254 12255 12256 12257 12258 12259 12260
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));

	bnx2x_emac_init(params, vars);

Y
Yaniv Rosner 已提交
12261 12262 12263
	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
		vars->link_status |= LINK_STATUS_PFC_ENABLED;

12264 12265 12266 12267 12268 12269 12270 12271 12272 12273 12274 12275 12276 12277
	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;
12278 12279 12280 12281 12282 12283
	case LOOPBACK_XMAC:
		bnx2x_init_xmac_loopback(params, vars);
		break;
	case LOOPBACK_UMAC:
		bnx2x_init_umac_loopback(params, vars);
		break;
12284 12285 12286 12287 12288
	case LOOPBACK_XGXS:
	case LOOPBACK_EXT_PHY:
		bnx2x_init_xgxs_loopback(params, vars);
		break;
	default:
12289 12290 12291 12292 12293 12294
		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
12295 12296 12297
		bnx2x_link_initialize(params, vars);
		msleep(30);
		bnx2x_link_int_enable(params);
12298
		break;
Y
Yaniv Rosner 已提交
12299
	}
12300
	bnx2x_update_mng(params, vars->link_status);
Y
Yuval Mintz 已提交
12301 12302

	bnx2x_update_mng_eee(params, vars->eee_status);
Y
Yaniv Rosner 已提交
12303 12304
	return 0;
}
Y
Yaniv Rosner 已提交
12305 12306 12307

int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
		     u8 reset_ext_phy)
Y
Yaniv Rosner 已提交
12308 12309
{
	struct bnx2x *bp = params->bp;
12310
	u8 phy_index, port = params->port, clear_latch_ind = 0;
Y
Yaniv Rosner 已提交
12311
	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
Y
Yuval Mintz 已提交
12312
	/* Disable attentions */
Y
Yaniv Rosner 已提交
12313 12314
	vars->link_status = 0;
	bnx2x_update_mng(params, vars->link_status);
Y
Yuval Mintz 已提交
12315 12316 12317
	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
12318
	bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
Y
Yaniv Rosner 已提交
12319 12320 12321 12322
		       (NIG_MASK_XGXS0_LINK_STATUS |
			NIG_MASK_XGXS0_LINK10G |
			NIG_MASK_SERDES0_LINK_STATUS |
			NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12323

Y
Yuval Mintz 已提交
12324
	/* Activate nig drain */
Y
Yaniv Rosner 已提交
12325
	REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
Y
Yaniv Rosner 已提交
12326

Y
Yuval Mintz 已提交
12327
	/* Disable nig egress interface */
12328 12329 12330 12331
	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
12332

Y
Yaniv Rosner 已提交
12333 12334 12335 12336 12337 12338
		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
12339
	/* Disable emac */
12340 12341
	if (!CHIP_IS_E3(bp))
		REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
Y
Yaniv Rosner 已提交
12342

Y
Yuval Mintz 已提交
12343
	usleep_range(10000, 20000);
L
Lucas De Marchi 已提交
12344
	/* The PHY reset is controlled by GPIO 1
Y
Yaniv Rosner 已提交
12345 12346
	 * Hold it as vars low
	 */
Y
Yuval Mintz 已提交
12347
	 /* Clear link led */
12348
	bnx2x_set_mdio_clk(bp, params->chip_id, port);
12349 12350
	bnx2x_set_led(params, vars, LED_MODE_OFF, 0);

Y
Yaniv Rosner 已提交
12351 12352 12353
	if (reset_ext_phy) {
		for (phy_index = EXT_PHY1; phy_index < params->num_phys;
		      phy_index++) {
12354 12355 12356
			if (params->phy[phy_index].link_reset) {
				bnx2x_set_aer_mmd(params,
						  &params->phy[phy_index]);
Y
Yaniv Rosner 已提交
12357 12358 12359
				params->phy[phy_index].link_reset(
					&params->phy[phy_index],
					params);
12360
			}
12361 12362 12363
			if (params->phy[phy_index].flags &
			    FLAGS_REARM_LATCH_SIGNAL)
				clear_latch_ind = 1;
Y
Yaniv Rosner 已提交
12364 12365 12366
		}
	}

12367 12368 12369 12370 12371 12372
	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
12373 12374 12375
	if (params->phy[INT_PHY].link_reset)
		params->phy[INT_PHY].link_reset(
			&params->phy[INT_PHY], params);
Y
Yaniv Rosner 已提交
12376

Y
Yuval Mintz 已提交
12377
	/* Disable nig ingress interface */
12378
	if (!CHIP_IS_E3(bp)) {
Y
Yuval Mintz 已提交
12379
		/* Reset BigMac */
12380 12381
		REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12382 12383
		REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
		REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12384 12385 12386 12387 12388 12389 12390
	} 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);
12391
	}
Y
Yaniv Rosner 已提交
12392
	vars->link_up = 0;
12393
	vars->phy_flags = 0;
Y
Yaniv Rosner 已提交
12394 12395
	return 0;
}
Y
Yaniv Rosner 已提交
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 12431 12432 12433 12434 12435 12436 12437 12438 12439 12440 12441 12442 12443 12444 12445
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
12446

Y
Yaniv Rosner 已提交
12447 12448 12449
/****************************************************************************/
/*				Common function				    */
/****************************************************************************/
Y
Yaniv Rosner 已提交
12450 12451 12452 12453
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
12454
{
Y
Yaniv Rosner 已提交
12455 12456
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
Y
Yaniv Rosner 已提交
12457
	u16 val;
Y
Yaniv Rosner 已提交
12458
	s8 port = 0;
D
Dmitry Kravkov 已提交
12459
	s8 port_of_path = 0;
Y
Yaniv Rosner 已提交
12460 12461 12462 12463 12464
	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
12465 12466
	/* PART1 - Reset both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12467 12468
		u32 shmem_base, shmem2_base;
		/* In E2, same phy is using for port0 of the two paths */
12469
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12470 12471 12472
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12473 12474 12475 12476
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12477 12478
		}

Y
Yaniv Rosner 已提交
12479
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12480
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12481
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12482 12483 12484 12485
		    0) {
			DP(NETIF_MSG_LINK, "populate_phy failed\n");
			return -EINVAL;
		}
Y
Yuval Mintz 已提交
12486
		/* Disable attentions */
12487 12488
		bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
			       port_of_path*4,
Y
Yaniv Rosner 已提交
12489 12490 12491 12492
			       (NIG_MASK_XGXS0_LINK_STATUS |
				NIG_MASK_XGXS0_LINK10G |
				NIG_MASK_SERDES0_LINK_STATUS |
				NIG_MASK_MI_INT));
Y
Yaniv Rosner 已提交
12493 12494

		/* Need to take the phy out of low power mode in order
12495 12496
		 * to write to access its registers
		 */
Y
Yaniv Rosner 已提交
12497
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12498 12499
			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12500 12501

		/* Reset the phy */
Y
Yaniv Rosner 已提交
12502
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12503 12504 12505
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_CTRL,
				 1<<15);
Y
Yaniv Rosner 已提交
12506 12507 12508 12509 12510
	}

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

Y
Yaniv Rosner 已提交
12511 12512 12513 12514 12515 12516 12517 12518
	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
12519 12520
	/* PART2 - Download firmware to both phys */
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12521
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12522
			port_of_path = port;
12523 12524
		else
			port_of_path = 0;
Y
Yaniv Rosner 已提交
12525

D
Dmitry Kravkov 已提交
12526 12527
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12528 12529
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
Y
Yaniv Rosner 已提交
12530 12531 12532
			return -EINVAL;

		/* Only set bit 10 = 1 (Tx power down) */
Y
Yaniv Rosner 已提交
12533
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12534 12535
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12536 12537

		/* Phase1 of TX_POWER_DOWN reset */
Y
Yaniv Rosner 已提交
12538
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12539 12540 12541
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_TX_POWER_DOWN,
				 (val | 1<<10));
Y
Yaniv Rosner 已提交
12542 12543
	}

12544
	/* Toggle Transmitter: Power down and then up with 600ms delay
12545 12546
	 * between
	 */
Y
Yaniv Rosner 已提交
12547 12548 12549 12550
	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
12551
		/* Phase2 of POWER_DOWN_RESET */
Y
Yaniv Rosner 已提交
12552
		/* Release bit 10 (Release Tx power down) */
Y
Yaniv Rosner 已提交
12553
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12554 12555
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, &val);
Y
Yaniv Rosner 已提交
12556

Y
Yaniv Rosner 已提交
12557
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12558 12559
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
Y
Yuval Mintz 已提交
12560
		usleep_range(15000, 30000);
Y
Yaniv Rosner 已提交
12561 12562

		/* Read modify write the SPI-ROM version select register */
Y
Yaniv Rosner 已提交
12563
		bnx2x_cl45_read(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12564 12565
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Y
Yaniv Rosner 已提交
12566
		bnx2x_cl45_write(bp, phy_blk[port],
Y
Yaniv Rosner 已提交
12567 12568
				 MDIO_PMA_DEVAD,
				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
Y
Yaniv Rosner 已提交
12569 12570 12571

		/* set GPIO2 back to LOW */
		bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Y
Yaniv Rosner 已提交
12572
			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Y
Yaniv Rosner 已提交
12573 12574 12575
	}
	return 0;
}
Y
Yaniv Rosner 已提交
12576 12577 12578 12579
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
12580 12581 12582 12583 12584 12585 12586 12587 12588 12589 12590
{
	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);

12591
	bnx2x_ext_phy_hw_reset(bp, 0);
Y
Yuval Mintz 已提交
12592
	usleep_range(5000, 10000);
Y
Yaniv Rosner 已提交
12593
	for (port = 0; port < PORT_MAX; port++) {
D
Dmitry Kravkov 已提交
12594 12595 12596
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12597
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12598 12599
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
12600 12601 12602
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
D
Dmitry Kravkov 已提交
12603
		}
Y
Yaniv Rosner 已提交
12604
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12605
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Y
Yaniv Rosner 已提交
12606 12607 12608 12609 12610 12611 12612 12613 12614 12615 12616 12617 12618
				       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
12619 12620
			       MISC_REGISTERS_GPIO_HIGH,
			       port);
Y
Yaniv Rosner 已提交
12621 12622 12623 12624
	}

	return 0;
}
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 12655 12656 12657 12658 12659 12660 12661 12662 12663 12664 12665 12666 12667 12668 12669
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
12670 12671 12672 12673 12674

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
12675
{
12676
	s8 port, reset_gpio;
E
Eilon Greenstein 已提交
12677
	u32 swap_val, swap_override;
Y
Yaniv Rosner 已提交
12678 12679
	struct bnx2x_phy phy[PORT_MAX];
	struct bnx2x_phy *phy_blk[PORT_MAX];
D
Dmitry Kravkov 已提交
12680
	s8 port_of_path;
Y
Yaniv Rosner 已提交
12681 12682
	swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
	swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
E
Eilon Greenstein 已提交
12683

12684
	reset_gpio = MISC_REGISTERS_GPIO_1;
Y
Yaniv Rosner 已提交
12685
	port = 1;
E
Eilon Greenstein 已提交
12686

12687
	/* Retrieve the reset gpio/port which control the reset.
12688 12689 12690 12691
	 * 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
12692 12693 12694 12695

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

12696 12697 12698
	/* Initiate PHY reset*/
	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
		       port);
Y
Yuval Mintz 已提交
12699
	 usleep_range(1000, 2000);
12700 12701 12702
	bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
		       port);

Y
Yuval Mintz 已提交
12703
	usleep_range(5000, 10000);
E
Eilon Greenstein 已提交
12704

E
Eilon Greenstein 已提交
12705
	/* PART1 - Reset both phys */
Y
Yaniv Rosner 已提交
12706
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
D
Dmitry Kravkov 已提交
12707 12708 12709
		u32 shmem_base, shmem2_base;

		/* In E2, same phy is using for port0 of the two paths */
12710
		if (CHIP_IS_E1x(bp)) {
D
Dmitry Kravkov 已提交
12711 12712 12713
			shmem_base = shmem_base_path[0];
			shmem2_base = shmem2_base_path[0];
			port_of_path = port;
12714 12715 12716 12717
		} else {
			shmem_base = shmem_base_path[port];
			shmem2_base = shmem2_base_path[port];
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12718 12719
		}

E
Eilon Greenstein 已提交
12720
		/* Extract the ext phy address for the port */
Y
Yaniv Rosner 已提交
12721
		if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
D
Dmitry Kravkov 已提交
12722
				       port_of_path, &phy[port]) !=
Y
Yaniv Rosner 已提交
12723 12724 12725 12726
				       0) {
			DP(NETIF_MSG_LINK, "populate phy failed\n");
			return -EINVAL;
		}
E
Eilon Greenstein 已提交
12727
		/* disable attentions */
D
Dmitry Kravkov 已提交
12728 12729 12730 12731 12732 12733
		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
12734 12735 12736


		/* Reset the phy */
Y
Yaniv Rosner 已提交
12737
		bnx2x_cl45_write(bp, &phy[port],
Y
Yaniv Rosner 已提交
12738
				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
E
Eilon Greenstein 已提交
12739 12740 12741 12742
	}

	/* Add delay of 150ms after reset */
	msleep(150);
Y
Yaniv Rosner 已提交
12743 12744 12745 12746 12747 12748 12749
	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
12750
	/* PART2 - Download firmware to both phys */
Y
Yaniv Rosner 已提交
12751
	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12752
		if (CHIP_IS_E1x(bp))
D
Dmitry Kravkov 已提交
12753
			port_of_path = port;
12754 12755
		else
			port_of_path = 0;
D
Dmitry Kravkov 已提交
12756 12757
		DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
			   phy_blk[port]->addr);
12758 12759
		if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
						      port_of_path))
E
Eilon Greenstein 已提交
12760
			return -EINVAL;
12761 12762 12763 12764
		/* 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
12765

12766
	}
E
Eilon Greenstein 已提交
12767 12768 12769
	return 0;
}

12770 12771 12772 12773 12774 12775 12776 12777 12778 12779 12780 12781 12782
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);
12783 12784
	return 0;
}
12785

12786 12787 12788 12789 12790 12791 12792
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,
12793 12794
				MDIO_PMA_DEVAD,
				MDIO_PMA_REG_CTRL, &val);
12795 12796
		if (!(val & (1<<15)))
			break;
Y
Yuval Mintz 已提交
12797
		 usleep_range(1000, 2000);
12798 12799 12800 12801
	}
	if (cnt >= 1500) {
		DP(NETIF_MSG_LINK, "84833 reset timeout\n");
		return -EINVAL;
12802 12803
	}

12804 12805 12806 12807 12808 12809 12810 12811 12812 12813 12814
	/* 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);
12815 12816 12817
	return 0;
}

12818 12819 12820 12821 12822 12823 12824 12825 12826 12827 12828 12829 12830 12831 12832 12833 12834 12835 12836 12837 12838 12839
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;
}
12840

Y
Yaniv Rosner 已提交
12841 12842 12843
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
12844
{
Y
Yaniv Rosner 已提交
12845
	int rc = 0;
Y
Yaniv Rosner 已提交
12846 12847 12848

	switch (ext_phy_type) {
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
D
Dmitry Kravkov 已提交
12849 12850 12851
		rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12852
		break;
Y
Yaniv Rosner 已提交
12853
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
E
Eilon Greenstein 已提交
12854 12855
	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
12856 12857 12858
		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
E
Eilon Greenstein 已提交
12859 12860
		break;

E
Eilon Greenstein 已提交
12861
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12862
		/* GPIO1 affects both ports, so there's need to pull
12863 12864
		 * it for single port alone
		 */
D
Dmitry Kravkov 已提交
12865 12866 12867
		rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
Y
Yaniv Rosner 已提交
12868
		break;
12869
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12870
		/* GPIO3's are linked, and so both need to be toggled
12871 12872
		 * to obtain required 2us pulse.
		 */
12873 12874 12875
		rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
						shmem2_base_path,
						phy_index, chip_id);
12876
		break;
Y
Yaniv Rosner 已提交
12877 12878
	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
		rc = -EINVAL;
Y
Yaniv Rosner 已提交
12879
		break;
Y
Yaniv Rosner 已提交
12880 12881
	default:
		DP(NETIF_MSG_LINK,
12882 12883
			   "ext_phy 0x%x common init not required\n",
			   ext_phy_type);
Y
Yaniv Rosner 已提交
12884 12885 12886
		break;
	}

Y
Yuval Mintz 已提交
12887
	if (rc)
12888 12889 12890
		netdev_err(bp->dev,  "Warning: PHY was not initialized,"
				      " Port %d\n",
			 0);
Y
Yaniv Rosner 已提交
12891 12892 12893
	return rc;
}

Y
Yaniv Rosner 已提交
12894 12895
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
12896
{
Y
Yaniv Rosner 已提交
12897
	int rc = 0;
12898 12899
	u32 phy_ver, val;
	u8 phy_index = 0;
Y
Yaniv Rosner 已提交
12900
	u32 ext_phy_type, ext_phy_config;
12901 12902
	bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
	bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
Y
Yaniv Rosner 已提交
12903
	DP(NETIF_MSG_LINK, "Begin common phy init\n");
12904 12905 12906 12907 12908
	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);
	}
12909 12910 12911 12912 12913 12914 12915 12916 12917 12918
	/* 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
12919 12920 12921 12922
	/* 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
12923
							  shmem_base_path[0],
Y
Yaniv Rosner 已提交
12924 12925
							  phy_index, 0);
		ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
D
Dmitry Kravkov 已提交
12926 12927 12928 12929
		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
12930 12931 12932
	}
	return rc;
}
12933

12934 12935 12936 12937 12938 12939 12940 12941 12942 12943 12944 12945 12946 12947 12948 12949 12950 12951 12952 12953 12954 12955 12956 12957 12958 12959 12960 12961 12962 12963 12964 12965 12966 12967
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;
}

12968 12969 12970 12971
/* 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)
12972 12973 12974 12975
{
	struct bnx2x *bp = params->bp;
	/* Compare new value with previous value */
	u8 led_mode;
12976
	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
12977

12978 12979
	if ((status ^ old_status) == 0)
		return 0;
12980 12981

	/* If values differ */
12982 12983 12984 12985 12986 12987 12988 12989 12990 12991 12992 12993
	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);
12994

12995
	/* a. Update shmem->link_status accordingly
12996 12997
	 * b. Update link_vars->link_up
	 */
12998
	if (status) {
12999
		vars->link_status &= ~LINK_STATUS_LINK_UP;
13000
		vars->link_status |= link_flag;
13001
		vars->link_up = 0;
13002
		vars->phy_flags |= phy_flag;
13003 13004 13005

		/* activate nig drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13006
		/* Set LED mode to off since the PHY doesn't know about these
13007 13008 13009 13010 13011
		 * errors
		 */
		led_mode = LED_MODE_OFF;
	} else {
		vars->link_status |= LINK_STATUS_LINK_UP;
13012
		vars->link_status &= ~link_flag;
13013
		vars->link_up = 1;
13014
		vars->phy_flags &= ~phy_flag;
13015
		led_mode = LED_MODE_OPER;
13016 13017 13018

		/* Clear nig drain */
		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13019
	}
13020
	bnx2x_sync_link(params, vars);
13021 13022 13023 13024 13025 13026 13027 13028
	/* 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;
13029 13030
	if (notify)
		bnx2x_notify_link_changed(bp);
13031 13032

	return 1;
13033 13034
}

Y
Yaniv Rosner 已提交
13035 13036 13037 13038 13039 13040 13041 13042 13043
/******************************************************************************
* 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.
*
******************************************************************************/
13044 13045 13046
int bnx2x_check_half_open_conn(struct link_params *params,
				struct link_vars *vars,
				u8 notify)
13047 13048 13049 13050 13051
{
	struct bnx2x *bp = params->bp;
	u32 lss_status = 0;
	u32 mac_base;
	/* In case link status is physically up @ 10G do */
13052 13053 13054
	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
	    (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
		return 0;
13055

Y
Yaniv Rosner 已提交
13056
	if (CHIP_IS_E3(bp) &&
13057
	    (REG_RD(bp, MISC_REG_RESET_REG_2) &
Y
Yaniv Rosner 已提交
13058 13059
	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
		/* Check E3 XMAC */
13060
		/* Note that link speed cannot be queried here, since it may be
Y
Yaniv Rosner 已提交
13061 13062 13063 13064 13065 13066 13067 13068 13069 13070 13071 13072 13073
		 * 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;

13074 13075 13076
		bnx2x_analyze_link_error(params, vars, lss_status,
					 PHY_HALF_OPEN_CONN_FLAG,
					 LINK_STATUS_NONE, notify);
Y
Yaniv Rosner 已提交
13077 13078
	} else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13079 13080 13081 13082 13083 13084 13085 13086 13087 13088 13089 13090 13091 13092
		/* 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);

13093 13094 13095
		bnx2x_analyze_link_error(params, vars, lss_status,
					 PHY_HALF_OPEN_CONN_FLAG,
					 LINK_STATUS_NONE, notify);
13096
	}
13097
	return 0;
13098
}
13099 13100 13101 13102 13103 13104 13105
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;
13106

13107 13108 13109 13110 13111 13112 13113 13114 13115 13116 13117 13118 13119 13120 13121 13122 13123 13124 13125 13126 13127 13128 13129 13130 13131 13132 13133 13134 13135 13136 13137 13138 13139 13140 13141
	/* 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);
}